// ===========================================================================
// This file has been generated by
// Rats! Parser Generator, version 1.14.3,
// (C) 2004-2008 Robert Grimm,
// on Sunday, November 16, 2008 at 4:25:14 PM.
// Edit at your own risk.
// ===========================================================================

package xtc.lang.jeannie;

import java.io.Reader;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.OutputStreamWriter;
import java.io.IOException;

import java.util.HashSet;
import java.util.Set;

import xtc.util.Action;
import xtc.util.Pair;

import xtc.tree.Node;
import xtc.tree.GNode;
import xtc.tree.Printer;

import xtc.parser.ParserBase;
import xtc.parser.Column;
import xtc.parser.Result;
import xtc.parser.SemanticValue;
import xtc.parser.ParseError;

import xtc.lang.CParserState;

/**
 * Packrat parser for grammar <code>xtc.lang.jeannie.Jeannie</code>.
 *
 * <p />This class has been generated by the <i>Rats!</i> parser
 * generator, version 1.14.3, (C) 2004-2008 Robert Grimm.
 */
public final class JeannieParser extends ParserBase {

  /** The RELOCATE flag. */
  public static final boolean RELOCATE = true;

  /** The C_KEYWORDS set. */
  public static final Set<String> C_KEYWORDS = new HashSet<String>();

  /** The GCC flag. */
  public static final boolean GCC = true;

  /** The JAVA_KEYWORDS set. */
  public static final Set<String> JAVA_KEYWORDS = new HashSet<String>();

  /** The C99 flag. */
  public static final boolean C99 = true;

  // =========================================================================

  /** Chunk 1 of memoized results. */
  static final class Chunk1 {
    Result fCConstant$Exponent;
    Result f$$Shared10;
    Result fBinaryExponent;
    Result fCConstant$CharacterLiteral;
    Result fCConstant$StringConstant;
    Result fCConstant$StringConstant$$Plus1;
    Result fCConstant$StringLiteral;
    Result fSymbol;
    Result fCIdentifier$Identifier;
    Result fKeyword;
  }

  /** Chunk 2 of memoized results. */
  static final class Chunk2 {
    Result fCIdentifier$Word;
    Result fResultType;
    Result fType;
    Result fJavaType$TypeName;
    Result fPrimitiveType;
    Result fDimensions;
    Result fDimensions$$Plus1;
    Result fQualifiedIdentifier;
    Result fQualifiedIdentifier$$Star1;
    Result fJavaIdentifier$Identifier;
  }

  /** Chunk 3 of memoized results. */
  static final class Chunk3 {
    Result fJavaIdentifier$Word;
    Result fExternalDeclaration;
    Result fDeclarationSpecifiers;
    Result fInitializedDeclaratorList;
    Result fInitializedDeclaratorList$$Star1;
    Result fSpecifierQualifierList;
    Result fAttributedDeclarator;
    Result fJeannieC$Declarator;
    Result fPointer;
    Result fVariableLength;
  }

  /** Chunk 4 of memoized results. */
  static final class Chunk4 {
    Result fParameterTypeList;
    Result fAbstractDeclarator;
    Result fJeannieC$TypeName;
    Result fAttributeSpecifierList;
    Result fAttributeSpecifier;
    Result fJeannieC$Statement;
    Result fCompoundStatement;
    Result fCommaExpression;
    Result fAssignmentExpression;
    Result fJeannieC$ConditionalExpression;
  }

  /** Chunk 5 of memoized results. */
  static final class Chunk5 {
    Result fJeannieC$LogicalOrExpression;
    Result f$$Shared7;
    Result f$$Shared8;
    Result f$$Shared9;
    Result fJeannieC$CastExpression;
    Result fJeannieC$UnaryExpression;
    Result fJeannieC$ExpressionList;
    Result fJeannieC$ExpressionList$$Star1;
    Result fSimpleAssemblyExpression;
    Result fAssemblyOperands;
  }

  /** Chunk 6 of memoized results. */
  static final class Chunk6 {
    Result fAssemblyOperands$$Star1;
    Result fAssemblyOperand;
    Result fAsmKeyword;
    Result fJavaInC;
    Result fCInCBlock;
    Result fCInCBlock$$Star1;
    Result fCInCBlock$$Star2;
    Result fJavaThrows;
    Result fModifiers;
    Result fFormalParameters;
  }

  /** Chunk 7 of memoized results. */
  static final class Chunk7 {
    Result fFormalParameters$$Star1;
    Result fDeclarators;
    Result fDeclarators$$Star1;
    Result fBlock;
    Result fParExpression;
    Result fCatchClause;
    Result fJeannieJava$Expression;
    Result fJeannieJava$ConditionalExpression;
    Result fJeannieJava$LogicalOrExpression;
    Result fJeannieJava$RelationalExpression;
  }

  /** Chunk 8 of memoized results. */
  static final class Chunk8 {
    Result fVariableInitializer;
    Result fCInJava;
    Result fJavaInJavaBlock;
    Result fJavaInJavaBlock$$Star1;
  }

  // =========================================================================

  /** Memoization table column. */
  static final class JeannieParserColumn extends Column {
    Chunk1 chunk1;
    Chunk2 chunk2;
    Chunk3 chunk3;
    Chunk4 chunk4;
    Chunk5 chunk5;
    Chunk6 chunk6;
    Chunk7 chunk7;
    Chunk8 chunk8;
  }

  // =========================================================================

  /** The global state object. */
  protected final xtc.lang.CParserState yyState;

  // =========================================================================

  /**
   * Create a new packrat parser.
   *
   * @param reader The reader.
   * @param file The file name.
   */
  public JeannieParser(final Reader reader, final String file) {
    super(reader, file);
    yyState = new xtc.lang.CParserState();
  }

  /**
   * Create a new packrat parser.
   *
   * @param reader The file reader.
   * @param file The file name.
   * @param size The file size.
   */
  public JeannieParser(final Reader reader, final String file, final int size) {
    super(reader, file, size);
    yyState = new xtc.lang.CParserState();
  }

  // =========================================================================

  protected Column newColumn() {
    return new JeannieParserColumn();
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.Jeannie.File.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  public Result pFile(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Reset the global state object.
    yyState.reset(column(yyStart).file);

    // Alternative <JavaFile>.

    yyResult = pCompilationUnit(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <CFile>.

    yyResult = pTranslationUnit(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.Constant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pConstant(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pFloatingConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 2.

    yyResult = pIntegerConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 3.

    yyResult = pCConstant$CharacterConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 4.

    yyResult = pCConstant$StringConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.IntegerConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pIntegerConstant(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Hex>.

    yyResult = pHexConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("IntegerConstant", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Octal>.

    yyResult = pOctalConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyValue = GNode.create("IntegerConstant", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Decimal>.

    yyResult = pDecimalConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$3 = yyResult.semanticValue();

      yyValue = GNode.create("IntegerConstant", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.DecimalConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDecimalConstant(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyRepetition1;
    int        yyOption1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '1':
      case '2':
      case '3':
      case '4':
      case '5':
      case '6':
      case '7':
      case '8':
      case '9':
        {
          yyRepetition1 = yyIndex;
          while (true) {

            yyC = character(yyRepetition1);
            if (-1 != yyC) {
              yyIndex = yyRepetition1 + 1;

              switch (yyC) {
              case '0':
              case '1':
              case '2':
              case '3':
              case '4':
              case '5':
              case '6':
              case '7':
              case '8':
              case '9':
                {
                  yyRepetition1 = yyIndex;
                  continue;
                }

              default:
                /* No match. */
              }
            }
            break;
          }

          yyOption1  = yyRepetition1;

          yyResult = pIntegerSuffix(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {

            yyOption1  = yyResult.index;
          }

          yyValue = difference(yyStart, yyOption1);

          return new SemanticValue(yyValue, yyOption1, yyError);
        }

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("decimal constant expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.HexConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pHexConstant(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    int        yyOption1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pHexPrefix(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyRepetition1 = yyResult.index;
      yyRepeated1   = false;
      while (true) {

        yyC = character(yyRepetition1);
        if (-1 != yyC) {
          yyIndex = yyRepetition1 + 1;

          switch (yyC) {
          case '0':
          case '1':
          case '2':
          case '3':
          case '4':
          case '5':
          case '6':
          case '7':
          case '8':
          case '9':
          case 'A':
          case 'B':
          case 'C':
          case 'D':
          case 'E':
          case 'F':
          case 'a':
          case 'b':
          case 'c':
          case 'd':
          case 'e':
          case 'f':
            {
              yyRepetition1 = yyIndex;
              yyRepeated1   = true;
              continue;
            }

          default:
            /* No match. */
          }
        }
        break;
      }

      if (yyRepeated1) {

        yyOption1  = yyRepetition1;

        yyResult = pIntegerSuffix(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {

          yyOption1  = yyResult.index;
        }

        yyValue = difference(yyStart, yyOption1);

        return new SemanticValue(yyValue, yyOption1, yyError);
      }
    }

    // Done.
    yyError = yyError.select("hex constant expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.HexPrefix.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pHexPrefix(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('0' == yyC) {
      yyIndex = yyStart + 1;

      yyC = character(yyIndex);
      if (-1 != yyC) {
        yyIndex = yyIndex + 1;

        switch (yyC) {
        case 'X':
        case 'x':
          {
            yyValue = null;

            return new SemanticValue(yyValue, yyIndex, yyError);
          }

        default:
          /* No match. */
        }
      }
    }

    // Done.
    yyError = yyError.select("hex prefix expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.OctalConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pOctalConstant(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyRepetition1;
    int        yyOption1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('0' == yyC) {
      yyIndex = yyStart + 1;

      yyRepetition1 = yyIndex;
      while (true) {

        yyC = character(yyRepetition1);
        if (-1 != yyC) {
          yyIndex = yyRepetition1 + 1;

          switch (yyC) {
          case '0':
          case '1':
          case '2':
          case '3':
          case '4':
          case '5':
          case '6':
          case '7':
            {
              yyRepetition1 = yyIndex;
              continue;
            }

          default:
            /* No match. */
          }
        }
        break;
      }

      yyOption1  = yyRepetition1;

      yyResult = pIntegerSuffix(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {

        yyOption1  = yyResult.index;
      }

      yyValue = difference(yyStart, yyOption1);

      return new SemanticValue(yyValue, yyOption1, yyError);
    }

    // Done.
    yyError = yyError.select("octal constant expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.IntegerSuffix.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pIntegerSuffix(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pLongLongSuffix(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyC = character(yyChoice1);
      if (-1 != yyC) {
        yyIndex = yyChoice1 + 1;

        switch (yyC) {
        case 'U':
        case 'u':
          {
            yyValue = null;

            return new SemanticValue(yyValue, yyIndex, yyError);
          }

        default:
          /* No match. */
        }
      }

      // Nested alternative 2.

      yyValue = null;

      return new SemanticValue(yyValue, yyChoice1, yyError);
    }

    // Alternative 2.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case 'L':
      case 'l':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case 'U':
            case 'u':
              {
                yyValue = null;

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.

          yyValue = null;

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case 'U':
      case 'u':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case 'l':
              {
                yyC = character(yyIndex);
                if (-1 != yyC) {
                  yyIndex = yyIndex + 1;
                  if ('l' == yyC) {

                    yyValue = null;

                    return new SemanticValue(yyValue, yyIndex, yyError);
                  }
                }
              }
              break;

            case 'L':
              {
                yyC = character(yyIndex);
                if (-1 != yyC) {
                  yyIndex = yyIndex + 1;
                  if ('L' == yyC) {

                    yyValue = null;

                    return new SemanticValue(yyValue, yyIndex, yyError);
                  }
                }
              }
              break;

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case 'L':
            case 'l':
              {
                yyValue = null;

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            default:
              /* No match. */
            }
          }

          // Nested alternative 3.

          yyValue = null;

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("integer suffix expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.LongLongSuffix.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pLongLongSuffix(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case 'l':
        {
          yyC = character(yyIndex);
          if (-1 != yyC) {
            yyIndex = yyIndex + 1;
            if ('l' == yyC) {

              yyValue = null;

              return new SemanticValue(yyValue, yyIndex, yyError);
            }
          }
        }
        break;

      case 'L':
        {
          yyC = character(yyIndex);
          if (-1 != yyC) {
            yyIndex = yyIndex + 1;
            if ('L' == yyC) {

              yyValue = null;

              return new SemanticValue(yyValue, yyIndex, yyError);
            }
          }
        }
        break;

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("long long suffix expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.FloatingConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFloatingConstant(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Decimal>.

    yyResult = pDecimalFloatingConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("FloatingConstant", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Hex>.

    yyResult = pHexFloatingConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyValue = GNode.create("FloatingConstant", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.DecimalFloatingConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDecimalFloatingConstant(final int yyStart) 
    throws IOException {

    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    int        yyOption1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    while (true) {

      yyC = character(yyRepetition1);
      if (-1 != yyC) {
        yyIndex = yyRepetition1 + 1;

        switch (yyC) {
        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
          {
            yyRepetition1 = yyIndex;
            yyRepeated1   = true;
            continue;
          }

        default:
          /* No match. */
        }
      }
      break;
    }

    if (yyRepeated1) {

      yyC = character(yyRepetition1);
      if ('.' == yyC) {
        yyIndex = yyRepetition1 + 1;

        yyRepetition1 = yyIndex;
        while (true) {

          yyC = character(yyRepetition1);
          if (-1 != yyC) {
            yyIndex = yyRepetition1 + 1;

            switch (yyC) {
            case '0':
            case '1':
            case '2':
            case '3':
            case '4':
            case '5':
            case '6':
            case '7':
            case '8':
            case '9':
              {
                yyRepetition1 = yyIndex;
                continue;
              }

            default:
              /* No match. */
            }
          }
          break;
        }

        yyOption1  = yyRepetition1;

        yyResult = pCConstant$Exponent(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {

          yyOption1  = yyResult.index;
        }


        yyC = character(yyOption1);
        if (-1 != yyC) {
          yyIndex = yyOption1 + 1;

          switch (yyC) {
          case 'F':
          case 'L':
          case 'f':
          case 'l':
            {
              yyOption1  = yyIndex;
            }
            break;

          default:
            /* No match. */
          }
        }

        yyValue = difference(yyStart, yyOption1);

        return new SemanticValue(yyValue, yyOption1, yyError);
      }
    }

    // Alternative 2.

    yyC = character(yyStart);
    if ('.' == yyC) {
      yyIndex = yyStart + 1;

      yyRepetition1 = yyIndex;
      yyRepeated1   = false;
      while (true) {

        yyC = character(yyRepetition1);
        if (-1 != yyC) {
          yyIndex = yyRepetition1 + 1;

          switch (yyC) {
          case '0':
          case '1':
          case '2':
          case '3':
          case '4':
          case '5':
          case '6':
          case '7':
          case '8':
          case '9':
            {
              yyRepetition1 = yyIndex;
              yyRepeated1   = true;
              continue;
            }

          default:
            /* No match. */
          }
        }
        break;
      }

      if (yyRepeated1) {

        yyOption1  = yyRepetition1;

        yyResult = pCConstant$Exponent(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {

          yyOption1  = yyResult.index;
        }


        yyC = character(yyOption1);
        if (-1 != yyC) {
          yyIndex = yyOption1 + 1;

          switch (yyC) {
          case 'F':
          case 'L':
          case 'f':
          case 'l':
            {
              yyOption1  = yyIndex;
            }
            break;

          default:
            /* No match. */
          }
        }

        yyValue = difference(yyStart, yyOption1);

        return new SemanticValue(yyValue, yyOption1, yyError);
      }
    }

    // Alternative 3.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    while (true) {

      yyC = character(yyRepetition1);
      if (-1 != yyC) {
        yyIndex = yyRepetition1 + 1;

        switch (yyC) {
        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
          {
            yyRepetition1 = yyIndex;
            yyRepeated1   = true;
            continue;
          }

        default:
          /* No match. */
        }
      }
      break;
    }

    if (yyRepeated1) {

      yyResult = pCConstant$Exponent(yyRepetition1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyOption1  = yyResult.index;

        yyC = character(yyOption1);
        if (-1 != yyC) {
          yyIndex = yyOption1 + 1;

          switch (yyC) {
          case 'F':
          case 'L':
          case 'f':
          case 'l':
            {
              yyOption1  = yyIndex;
            }
            break;

          default:
            /* No match. */
          }
        }

        yyValue = difference(yyStart, yyOption1);

        return new SemanticValue(yyValue, yyOption1, yyError);
      }
    }

    // Done.
    yyError = yyError.select("decimal floating constant expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.HexFloatingConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pHexFloatingConstant(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    int        yyOption1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pHexPrefix(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyRepetition1 = yyChoice1;
      yyRepeated1   = false;
      while (true) {

        yyC = character(yyRepetition1);
        if (-1 != yyC) {
          yyIndex = yyRepetition1 + 1;

          switch (yyC) {
          case '0':
          case '1':
          case '2':
          case '3':
          case '4':
          case '5':
          case '6':
          case '7':
          case '8':
          case '9':
          case 'A':
          case 'B':
          case 'C':
          case 'D':
          case 'E':
          case 'F':
          case 'a':
          case 'b':
          case 'c':
          case 'd':
          case 'e':
          case 'f':
            {
              yyRepetition1 = yyIndex;
              yyRepeated1   = true;
              continue;
            }

          default:
            /* No match. */
          }
        }
        break;
      }

      if (yyRepeated1) {

        yyC = character(yyRepetition1);
        if ('.' == yyC) {
          yyIndex = yyRepetition1 + 1;

          yyRepetition1 = yyIndex;
          while (true) {

            yyC = character(yyRepetition1);
            if (-1 != yyC) {
              yyIndex = yyRepetition1 + 1;

              switch (yyC) {
              case '0':
              case '1':
              case '2':
              case '3':
              case '4':
              case '5':
              case '6':
              case '7':
              case '8':
              case '9':
              case 'A':
              case 'B':
              case 'C':
              case 'D':
              case 'E':
              case 'F':
              case 'a':
              case 'b':
              case 'c':
              case 'd':
              case 'e':
              case 'f':
                {
                  yyRepetition1 = yyIndex;
                  continue;
                }

              default:
                /* No match. */
              }
            }
            break;
          }

          yyResult = pBinaryExponent(yyRepetition1);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {

            yyOption1  = yyResult.index;

            yyC = character(yyOption1);
            if (-1 != yyC) {
              yyIndex = yyOption1 + 1;

              switch (yyC) {
              case 'F':
              case 'L':
              case 'f':
              case 'l':
                {
                  yyOption1  = yyIndex;
                }
                break;

              default:
                /* No match. */
              }
            }

            yyValue = difference(yyStart, yyOption1);

            return new SemanticValue(yyValue, yyOption1, yyError);
          }
        }
      }

      // Nested alternative 2.

      yyC = character(yyChoice1);
      if ('.' == yyC) {
        yyIndex = yyChoice1 + 1;

        yyRepetition1 = yyIndex;
        yyRepeated1   = false;
        while (true) {

          yyC = character(yyRepetition1);
          if (-1 != yyC) {
            yyIndex = yyRepetition1 + 1;

            switch (yyC) {
            case '0':
            case '1':
            case '2':
            case '3':
            case '4':
            case '5':
            case '6':
            case '7':
            case '8':
            case '9':
            case 'A':
            case 'B':
            case 'C':
            case 'D':
            case 'E':
            case 'F':
            case 'a':
            case 'b':
            case 'c':
            case 'd':
            case 'e':
            case 'f':
              {
                yyRepetition1 = yyIndex;
                yyRepeated1   = true;
                continue;
              }

            default:
              /* No match. */
            }
          }
          break;
        }

        if (yyRepeated1) {

          yyResult = pBinaryExponent(yyRepetition1);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {

            yyOption1  = yyResult.index;

            yyC = character(yyOption1);
            if (-1 != yyC) {
              yyIndex = yyOption1 + 1;

              switch (yyC) {
              case 'F':
              case 'L':
              case 'f':
              case 'l':
                {
                  yyOption1  = yyIndex;
                }
                break;

              default:
                /* No match. */
              }
            }

            yyValue = difference(yyStart, yyOption1);

            return new SemanticValue(yyValue, yyOption1, yyError);
          }
        }
      }

      // Nested alternative 3.

      yyRepetition1 = yyChoice1;
      yyRepeated1   = false;
      while (true) {

        yyC = character(yyRepetition1);
        if (-1 != yyC) {
          yyIndex = yyRepetition1 + 1;

          switch (yyC) {
          case '0':
          case '1':
          case '2':
          case '3':
          case '4':
          case '5':
          case '6':
          case '7':
          case '8':
          case '9':
          case 'A':
          case 'B':
          case 'C':
          case 'D':
          case 'E':
          case 'F':
          case 'a':
          case 'b':
          case 'c':
          case 'd':
          case 'e':
          case 'f':
            {
              yyRepetition1 = yyIndex;
              yyRepeated1   = true;
              continue;
            }

          default:
            /* No match. */
          }
        }
        break;
      }

      if (yyRepeated1) {

        yyResult = pBinaryExponent(yyRepetition1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {

          yyOption1  = yyResult.index;

          yyC = character(yyOption1);
          if (-1 != yyC) {
            yyIndex = yyOption1 + 1;

            switch (yyC) {
            case 'F':
            case 'L':
            case 'f':
            case 'l':
              {
                yyOption1  = yyIndex;
              }
              break;

            default:
              /* No match. */
            }
          }

          yyValue = difference(yyStart, yyOption1);

          return new SemanticValue(yyValue, yyOption1, yyError);
        }
      }
    }

    // Done.
    yyError = yyError.select("hex floating constant expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.Exponent.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCConstant$Exponent(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.fCConstant$Exponent) 
      yyColumn.chunk1.fCConstant$Exponent = pCConstant$Exponent$1(yyStart);
    return yyColumn.chunk1.fCConstant$Exponent;
  }

  /** Actually parse xtc.lang.CConstant.Exponent. */
  private Result pCConstant$Exponent$1(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyOption1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case 'E':
      case 'e':
        {
          yyOption1  = yyIndex;

          yyC = character(yyOption1);
          if (-1 != yyC) {
            yyIndex = yyOption1 + 1;

            switch (yyC) {
            case '+':
            case '-':
              {
                yyOption1  = yyIndex;
              }
              break;

            default:
              /* No match. */
            }
          }

          yyResult = p$$Shared10(yyOption1);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {

            yyValue = null;

            return yyResult.createValue(yyValue, yyError);
          }
        }
        break;

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("exponent expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal xtc.lang.jeannie.Jeannie.$$Shared10.
   * This nonterminal represents the duplicate productions 
   * CConstant.Exponent$$Plus1 
   * and xtc.lang.jeannie.Jeannie.BinaryExponent$$Plus1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result p$$Shared10(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.f$$Shared10) 
      yyColumn.chunk1.f$$Shared10 = p$$Shared10$1(yyStart);
    return yyColumn.chunk1.f$$Shared10;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.$$Shared10. */
  private Result p$$Shared10$1(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '0':
      case '1':
      case '2':
      case '3':
      case '4':
      case '5':
      case '6':
      case '7':
      case '8':
      case '9':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyResult = p$$Shared10(yyChoice1);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {

            yyValue = null;

            return yyResult.createValue(yyValue, yyError);
          }

          // Nested alternative 2.

          yyValue = null;

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select(" expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.BinaryExponent.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pBinaryExponent(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.fBinaryExponent) 
      yyColumn.chunk1.fBinaryExponent = pBinaryExponent$1(yyStart);
    return yyColumn.chunk1.fBinaryExponent;
  }

  /** Actually parse xtc.lang.CConstant.BinaryExponent. */
  private Result pBinaryExponent$1(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyOption1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case 'P':
      case 'p':
        {
          yyOption1  = yyIndex;

          yyC = character(yyOption1);
          if (-1 != yyC) {
            yyIndex = yyOption1 + 1;

            switch (yyC) {
            case '+':
            case '-':
              {
                yyOption1  = yyIndex;
              }
              break;

            default:
              /* No match. */
            }
          }

          yyResult = p$$Shared10(yyOption1);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {

            yyValue = null;

            return yyResult.createValue(yyValue, yyError);
          }
        }
        break;

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("binary exponent expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.CharacterConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCConstant$CharacterConstant(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pWideCharacterLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyValue = GNode.create("CharacterConstant", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 2.

    yyResult = pCConstant$CharacterLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyValue = GNode.create("CharacterConstant", v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.WideCharacterLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pWideCharacterLiteral(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('L' == yyC) {
      yyIndex = yyStart + 1;

      yyResult = pCConstant$CharacterLiteral(yyIndex);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyValue = difference(yyStart, yyResult.index);

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("wide character literal expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.CharacterLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCConstant$CharacterLiteral(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.fCConstant$CharacterLiteral) 
      yyColumn.chunk1.fCConstant$CharacterLiteral = pCConstant$CharacterLiteral$1(yyStart);
    return yyColumn.chunk1.fCConstant$CharacterLiteral;
  }

  /** Actually parse xtc.lang.CConstant.CharacterLiteral. */
  private Result pCConstant$CharacterLiteral$1(final int yyStart) 
    throws IOException {

    int        yyC;
    int        yyIndex;
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('\'' == yyC) {
      yyIndex = yyStart + 1;

      yyResult = pCharacterContents(yyIndex);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyC = character(yyResult.index);
        if ('\'' == yyC) {
          yyIndex = yyResult.index + 1;

          yyValue = difference(yyStart, yyIndex);

          return new SemanticValue(yyValue, yyIndex, yyError);
        }
      }
    }

    // Done.
    yyError = yyError.select("character literal expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.CharacterContents.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCharacterContents(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    while (true) {

      final int yyChoice1 = yyRepetition1;

      // Nested alternative 1.

      yyC = character(yyChoice1);
      if (-1 != yyC) {
        yyIndex = yyChoice1 + 1;

        switch (yyC) {
        case '\\':
          {
            final int yyChoice2 = yyIndex;

            // Nested alternative 1.

            yyResult = pEscapeCode(yyChoice2);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {

              yyRepetition1 = yyResult.index;
              yyRepeated1   = true;
              continue;
            }

            // Nested alternative 2.

            yyC = character(yyChoice2);
            if (-1 != yyC) {
              yyIndex = yyChoice2 + 1;

              switch (yyC) {
              case 'u':
                {
                  yyResult = pHexQuad(yyIndex);
                  yyError  = yyResult.select(yyError);
                  if (yyResult.hasValue()) {

                    yyRepetition1 = yyResult.index;
                    yyRepeated1   = true;
                    continue;
                  }
                }
                break;

              case 'U':
                {
                  yyResult = pHexQuad(yyIndex);
                  yyError  = yyResult.select(yyError);
                  if (yyResult.hasValue()) {

                    yyResult = pHexQuad(yyResult.index);
                    yyError  = yyResult.select(yyError);
                    if (yyResult.hasValue()) {

                      yyRepetition1 = yyResult.index;
                      yyRepeated1   = true;
                      continue;
                    }
                  }
                }
                break;

              default:
                /* No match. */
              }
            }
          }
          break;

        default:
          /* No match. */
        }
      }

      // Nested alternative 2.

      yyC = character(yyChoice1);
      if (-1 != yyC) {
        yyIndex = yyChoice1 + 1;

        switch (yyC) {
        case '\n':
        case '\r':
        case '\'':
        case '\\':
          /* No match. */
          break;

        default:
          {
            yyRepetition1 = yyIndex;
            yyRepeated1   = true;
            continue;
          }
        }
      }
      break;
    }

    if (yyRepeated1) {

      yyValue = null;

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    }

    // Done.
    yyError = yyError.select("character contents expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.StringConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCConstant$StringConstant(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.fCConstant$StringConstant) 
      yyColumn.chunk1.fCConstant$StringConstant = pCConstant$StringConstant$1(yyStart);
    return yyColumn.chunk1.fCConstant$StringConstant;
  }

  /** Actually parse xtc.lang.CConstant.StringConstant. */
  private Result pCConstant$StringConstant$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCConstant$StringConstant$$Plus1(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Pair<String> v$g$1 = yyResult.semanticValue();

      yyValue = GNode.createFromPair("StringConstant", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal CConstant.StringConstant$$Choice1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCConstant$StringConstant$$Choice1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pWideStringLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 2.

    yyResult = pCConstant$StringLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal CConstant.StringConstant$$Plus1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCConstant$StringConstant$$Plus1(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.fCConstant$StringConstant$$Plus1) 
      yyColumn.chunk1.fCConstant$StringConstant$$Plus1 = pCConstant$StringConstant$$Plus1$1(yyStart);
    return yyColumn.chunk1.fCConstant$StringConstant$$Plus1;
  }

  /** Actually parse CConstant.StringConstant$$Plus1. */
  private Result pCConstant$StringConstant$$Plus1$1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Pair<String> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCConstant$StringConstant$$Choice1(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$el$1 = yyResult.semanticValue();

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyResult = pCConstant$StringConstant$$Plus1(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<String> v$4 = yyResult.semanticValue();

        yyValue = new Pair<String>(v$el$1, v$4);

        return yyResult.createValue(yyValue, yyError);
      }

      // Nested alternative 2.

      yyValue = new Pair<String>(v$el$1);

      return new SemanticValue(yyValue, yyChoice1, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.WideStringLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pWideStringLiteral(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('L' == yyC) {
      yyIndex = yyStart + 1;

      yyResult = pCConstant$StringLiteral(yyIndex);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyValue = difference(yyStart, yyResult.index);

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("wide string literal expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.StringLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCConstant$StringLiteral(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.fCConstant$StringLiteral) 
      yyColumn.chunk1.fCConstant$StringLiteral = pCConstant$StringLiteral$1(yyStart);
    return yyColumn.chunk1.fCConstant$StringLiteral;
  }

  /** Actually parse xtc.lang.CConstant.StringLiteral. */
  private Result pCConstant$StringLiteral$1(final int yyStart) 
    throws IOException {

    int        yyC;
    int        yyIndex;
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('\"' == yyC) {
      yyIndex = yyStart + 1;

      yyResult = pStringContents(yyIndex);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyC = character(yyResult.index);
        if ('\"' == yyC) {
          yyIndex = yyResult.index + 1;

          yyValue = difference(yyStart, yyIndex);

          return new SemanticValue(yyValue, yyIndex, yyError);
        }
      }
    }

    // Done.
    yyError = yyError.select("string literal expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.StringContents.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pStringContents(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyRepetition1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    while (true) {

      final int yyChoice1 = yyRepetition1;

      // Nested alternative 1.

      yyC = character(yyChoice1);
      if (-1 != yyC) {
        yyIndex = yyChoice1 + 1;

        switch (yyC) {
        case '\\':
          {
            final int yyChoice2 = yyIndex;

            // Nested alternative 1.

            yyResult = pEscapeCode(yyChoice2);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {

              yyRepetition1 = yyResult.index;
              continue;
            }

            // Nested alternative 2.

            yyC = character(yyChoice2);
            if (-1 != yyC) {
              yyIndex = yyChoice2 + 1;

              switch (yyC) {
              case 'u':
                {
                  yyResult = pHexQuad(yyIndex);
                  yyError  = yyResult.select(yyError, yyRepetition1);
                  if (yyResult.hasValue()) {

                    yyRepetition1 = yyResult.index;
                    continue;
                  }
                }
                break;

              case 'U':
                {
                  yyResult = pHexQuad(yyIndex);
                  yyError  = yyResult.select(yyError, yyRepetition1);
                  if (yyResult.hasValue()) {

                    yyResult = pHexQuad(yyResult.index);
                    yyError  = yyResult.select(yyError, yyRepetition1);
                    if (yyResult.hasValue()) {

                      yyRepetition1 = yyResult.index;
                      continue;
                    }
                  }
                }
                break;

              default:
                /* No match. */
              }
            }
          }
          break;

        default:
          /* No match. */
        }
      }

      // Nested alternative 2.

      yyC = character(yyChoice1);
      if (-1 != yyC) {
        yyIndex = yyChoice1 + 1;

        switch (yyC) {
        case '\n':
        case '\r':
        case '\"':
        case '\\':
          /* No match. */
          break;

        default:
          {
            yyRepetition1 = yyIndex;
            continue;
          }
        }
      }
      break;
    }

    yyValue = null;

    return new SemanticValue(yyValue, yyRepetition1, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.EscapeCode.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pEscapeCode(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '\"':
      case '\'':
      case '?':
      case '\\':
      case 'a':
      case 'b':
      case 'f':
      case 'n':
      case 'r':
      case 't':
      case 'v':
        {
          yyValue = null;

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '0':
      case '1':
      case '2':
      case '3':
      case '4':
      case '5':
      case '6':
      case '7':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case '0':
            case '1':
            case '2':
            case '3':
            case '4':
            case '5':
            case '6':
            case '7':
              {
                final int yyChoice2 = yyIndex;

                // Nested alternative 1.

                yyC = character(yyChoice2);
                if (-1 != yyC) {
                  yyIndex = yyChoice2 + 1;

                  switch (yyC) {
                  case '0':
                  case '1':
                  case '2':
                  case '3':
                  case '4':
                  case '5':
                  case '6':
                  case '7':
                    {
                      yyValue = null;

                      return new SemanticValue(yyValue, yyIndex, yyError);
                    }

                  default:
                    /* No match. */
                  }
                }

                // Nested alternative 2.

                yyValue = null;

                return new SemanticValue(yyValue, yyChoice2, yyError);
              }

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.

          yyValue = null;

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case 'x':
        {
          yyRepetition1 = yyIndex;
          yyRepeated1   = false;
          while (true) {

            yyC = character(yyRepetition1);
            if (-1 != yyC) {
              yyIndex = yyRepetition1 + 1;

              switch (yyC) {
              case '0':
              case '1':
              case '2':
              case '3':
              case '4':
              case '5':
              case '6':
              case '7':
              case '8':
              case '9':
              case 'A':
              case 'B':
              case 'C':
              case 'D':
              case 'E':
              case 'F':
              case 'a':
              case 'b':
              case 'c':
              case 'd':
              case 'e':
              case 'f':
                {
                  yyRepetition1 = yyIndex;
                  yyRepeated1   = true;
                  continue;
                }

              default:
                /* No match. */
              }
            }
            break;
          }

          if (yyRepeated1) {

            yyValue = null;

            return new SemanticValue(yyValue, yyRepetition1, yyError);
          }
        }
        break;

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("escape code expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CConstant.HexQuad.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pHexQuad(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '0':
      case '1':
      case '2':
      case '3':
      case '4':
      case '5':
      case '6':
      case '7':
      case '8':
      case '9':
      case 'A':
      case 'B':
      case 'C':
      case 'D':
      case 'E':
      case 'F':
      case 'a':
      case 'b':
      case 'c':
      case 'd':
      case 'e':
      case 'f':
        {
          yyC = character(yyIndex);
          if (-1 != yyC) {
            yyIndex = yyIndex + 1;

            switch (yyC) {
            case '0':
            case '1':
            case '2':
            case '3':
            case '4':
            case '5':
            case '6':
            case '7':
            case '8':
            case '9':
            case 'A':
            case 'B':
            case 'C':
            case 'D':
            case 'E':
            case 'F':
            case 'a':
            case 'b':
            case 'c':
            case 'd':
            case 'e':
            case 'f':
              {
                yyC = character(yyIndex);
                if (-1 != yyC) {
                  yyIndex = yyIndex + 1;

                  switch (yyC) {
                  case '0':
                  case '1':
                  case '2':
                  case '3':
                  case '4':
                  case '5':
                  case '6':
                  case '7':
                  case '8':
                  case '9':
                  case 'A':
                  case 'B':
                  case 'C':
                  case 'D':
                  case 'E':
                  case 'F':
                  case 'a':
                  case 'b':
                  case 'c':
                  case 'd':
                  case 'e':
                  case 'f':
                    {
                      yyC = character(yyIndex);
                      if (-1 != yyC) {
                        yyIndex = yyIndex + 1;

                        switch (yyC) {
                        case '0':
                        case '1':
                        case '2':
                        case '3':
                        case '4':
                        case '5':
                        case '6':
                        case '7':
                        case '8':
                        case '9':
                        case 'A':
                        case 'B':
                        case 'C':
                        case 'D':
                        case 'E':
                        case 'F':
                        case 'a':
                        case 'b':
                        case 'c':
                        case 'd':
                        case 'e':
                        case 'f':
                          {
                            yyValue = null;

                            return new SemanticValue(yyValue, yyIndex, yyError);
                          }

                        default:
                          /* No match. */
                        }
                      }
                    }
                    break;

                  default:
                    /* No match. */
                  }
                }
              }
              break;

            default:
              /* No match. */
            }
          }
        }
        break;

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("hex quad expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CSpacing.Spacing.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSpacing(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    Result     yyPredResult;
    boolean    yyPredMatched;
    int        yyBase;
    int        yyRepetition1;
    int        yyRepetition2;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    while (true) {

      final int yyChoice1 = yyRepetition1;

      // Nested alternative 1.

      yyC = character(yyChoice1);
      if (-1 != yyC) {
        yyIndex = yyChoice1 + 1;

        switch (yyC) {
        case ' ':
          {
            yyRepetition1 = yyIndex;
            continue;
          }

        case '\t':
          {
            yyRepetition1 = yyIndex;
            continue;
          }

        case '\f':
          {
            yyRepetition1 = yyIndex;
            continue;
          }

        case '/':
          {
            yyC = character(yyIndex);
            if (-1 != yyC) {
              yyIndex = yyIndex + 1;

              switch (yyC) {
              case '*':
                {
                  yyRepetition2 = yyIndex;
                  while (true) {

                    final int yyChoice2 = yyRepetition2;

                    // Nested alternative 1.

                    yyC = character(yyChoice2);
                    if (-1 != yyC) {
                      yyIndex = yyChoice2 + 1;

                      switch (yyC) {
                      case '*':
                        {
                          yyPredMatched = false;

                          yyC = character(yyIndex);
                          if ('/' == yyC) {

                            yyPredMatched = true;
                          }

                          if (! yyPredMatched) {

                            yyRepetition2 = yyIndex;
                            continue;
                          } else {
                            yyError = yyError.select("spacing expected", yyStart);
                          }
                        }
                        break;

                      default:
                        {
                          yyRepetition2 = yyIndex;
                          continue;
                        }
                      }
                    }
                    break;
                  }

                  yyBase = yyRepetition2;
                  yyC    = character(yyBase);
                  if ('*' == yyC) {
                    yyIndex = yyRepetition2 + 1;

                    yyC = character(yyIndex);
                    if ('/' == yyC) {
                      yyIndex = yyIndex + 1;

                      yyRepetition1 = yyIndex;
                      continue;
                    } else {
                      yyError = yyError.select("'*/' expected", yyBase);
                    }
                  } else {
                    yyError = yyError.select("'*/' expected", yyBase);
                  }
                }
                break;

              case '/':
                {
                  yyRepetition2 = yyIndex;
                  while (true) {

                    yyC = character(yyRepetition2);
                    if (-1 != yyC) {
                      yyIndex = yyRepetition2 + 1;

                      switch (yyC) {
                      case '\n':
                      case '\r':
                        /* No match. */
                        break;

                      default:
                        {
                          yyRepetition2 = yyIndex;
                          continue;
                        }
                      }
                    }
                    break;
                  }

                  yyPredResult = pLineTerminator(yyRepetition2);
                  yyError      = yyPredResult.select(yyError);
                  if (yyPredResult.hasValue()) {

                    yyRepetition1 = yyRepetition2;
                    continue;
                  }
                }
                break;

              default:
                /* No match. */
              }
            }
          }
          break;

        case '\r':
          {
            final int yyChoice2 = yyIndex;

            // Nested alternative 1.

            yyC = character(yyChoice2);
            if ('\n' == yyC) {
              yyIndex = yyChoice2 + 1;

              yyResult = pDirective(yyIndex);
              yyError  = yyResult.select(yyError, yyRepetition1);
              if (yyResult.hasValue()) {

                yyRepetition1 = yyResult.index;
                continue;
              }
            }

            // Nested alternative 2.

            yyResult = pDirective(yyChoice2);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {

              yyRepetition1 = yyResult.index;
              continue;
            }
          }
          break;

        case '\n':
          {
            yyResult = pDirective(yyIndex);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {

              yyRepetition1 = yyResult.index;
              continue;
            }
          }
          break;

        default:
          /* No match. */
        }
      }
      break;
    }

    yyValue = null;

    return new SemanticValue(yyValue, yyRepetition1, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CSpacing.Space.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSpace(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case ' ':
        {
          yyValue = null;

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '\t':
        {
          yyValue = null;

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '\f':
        {
          yyValue = null;

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("space expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CSpacing.LineTerminator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pLineTerminator(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '\r':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if ('\n' == yyC) {
            yyIndex = yyChoice1 + 1;

            yyValue = null;

            return new SemanticValue(yyValue, yyIndex, yyError);
          }

          // Nested alternative 2.

          yyValue = null;

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '\n':
        {
          yyValue = null;

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("line terminator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CSpacing.EndOfFile.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pEndOfFile(final int yyStart) throws IOException {
    int        yyC;
    boolean    yyPredMatched;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyPredMatched = false;

    yyC = character(yyStart);
    if (-1 != yyC) {

      yyPredMatched = true;
    }

    if (! yyPredMatched) {

      yyValue = null;

      return new SemanticValue(yyValue, yyStart, yyError);
    } else {
      yyError = yyError.select("end of file expected", yyStart);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CSpacing.Directive.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDirective(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    Result     yyPredResult;
    int        yyBase;
    int        yyRepetition1;
    boolean    yyRepeated1;
    int        yyOption1;
    String     yyOpValue1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('#' == yyC) {
      yyIndex = yyStart + 1;

      final int yyChoice1 = yyIndex;

      // Nested alternative 1.

      yyC = character(yyChoice1);
      if (' ' == yyC) {
        yyIndex = yyChoice1 + 1;

        yyResult = pLineNumber(yyIndex);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String line = yyResult.semanticValue();

          yyC = character(yyResult.index);
          if (' ' == yyC) {
            yyIndex = yyResult.index + 1;

            yyC = character(yyIndex);
            if ('\"' == yyC) {
              yyIndex = yyIndex + 1;

              yyResult = pFileName(yyIndex);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {
                final String file = yyResult.semanticValue();

                yyC = character(yyResult.index);
                if ('\"' == yyC) {
                  yyIndex = yyResult.index + 1;

                  yyOption1  = yyIndex;
                  yyOpValue1 = null;

                  yyBase = yyOption1;
                  yyC    = character(yyBase);
                  if (' ' == yyC) {
                    yyIndex = yyOption1 + 1;

                    yyC = character(yyIndex);
                    if ('1' == yyC) {
                      yyIndex = yyIndex + 1;
                      final String v$el$1 = " 1";

                      yyOption1  = yyIndex;
                      yyOpValue1 = v$el$1;
                    } else {
                      yyError = yyError.select("' 1' expected", yyBase);
                    }
                  } else {
                    yyError = yyError.select("' 1' expected", yyBase);
                  }
                  { // Start scope for f1.
                    final String f1 = yyOpValue1;

                    yyOpValue1 = null;

                    yyBase = yyOption1;
                    yyC    = character(yyBase);
                    if (' ' == yyC) {
                      yyIndex = yyOption1 + 1;

                      yyC = character(yyIndex);
                      if ('2' == yyC) {
                        yyIndex = yyIndex + 1;
                        final String v$el$2 = " 2";

                        yyOption1  = yyIndex;
                        yyOpValue1 = v$el$2;
                      } else {
                        yyError = yyError.select("' 2' expected", yyBase);
                      }
                    } else {
                      yyError = yyError.select("' 2' expected", yyBase);
                    }
                    { // Start scope for f2.
                      final String f2 = yyOpValue1;

                      yyOpValue1 = null;

                      yyBase = yyOption1;
                      yyC    = character(yyBase);
                      if (' ' == yyC) {
                        yyIndex = yyOption1 + 1;

                        yyC = character(yyIndex);
                        if ('3' == yyC) {
                          yyIndex = yyIndex + 1;
                          final String v$el$3 = " 3";

                          yyOption1  = yyIndex;
                          yyOpValue1 = v$el$3;
                        } else {
                          yyError = yyError.select("' 3' expected", yyBase);
                        }
                      } else {
                        yyError = yyError.select("' 3' expected", yyBase);
                      }
                      { // Start scope for f3.
                        final String f3 = yyOpValue1;

                        yyOpValue1 = null;

                        yyBase = yyOption1;
                        yyC    = character(yyBase);
                        if (' ' == yyC) {
                          yyIndex = yyOption1 + 1;

                          yyC = character(yyIndex);
                          if ('4' == yyC) {
                            yyIndex = yyIndex + 1;
                            final String v$el$4 = " 4";

                            yyOption1  = yyIndex;
                            yyOpValue1 = v$el$4;
                          } else {
                            yyError = yyError.select("' 4' expected", yyBase);
                          }
                        } else {
                          yyError = yyError.select("' 4' expected", yyBase);
                        }
                        { // Start scope for f4.
                          final String f4 = yyOpValue1;

                          yyPredResult = pLineTerminator(yyOption1);
                          yyError      = yyPredResult.select(yyError);
                          if (yyPredResult.hasValue()) {

                            final int lineNo = Integer.parseInt(line);
                            if (RELOCATE) setLocation(yyStart, file, lineNo-1, FIRST_COLUMN);
                            yyState.lineMarker(file, lineNo, f1, f2, f3, f4, location(yyStart));

                            yyValue = null;

                            return new SemanticValue(yyValue, yyOption1, yyError);
                          }
                        } // End scope for f4.
                      } // End scope for f3.
                    } // End scope for f2.
                  } // End scope for f1.
                }
              }
            }
          }
        }
      }

      // Nested alternative 2.

      yyRepetition1 = yyChoice1;
      while (true) {

        yyResult = pSpace(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {

          yyRepetition1 = yyResult.index;
          continue;
        }
        break;
      }
      { // Start scope for nested choice.

        final int yyChoice2 = yyRepetition1;

        // Nested alternative 1.

        yyC = character(yyChoice2);
        if (-1 != yyC) {
          yyIndex = yyChoice2 + 1;

          switch (yyC) {
          case 'p':
            {
              yyC = character(yyIndex);
              if (-1 != yyC) {
                yyIndex = yyIndex + 1;
                if ('r' == yyC) {

                  yyC = character(yyIndex);
                  if (-1 != yyC) {
                    yyIndex = yyIndex + 1;
                    if ('a' == yyC) {

                      yyC = character(yyIndex);
                      if (-1 != yyC) {
                        yyIndex = yyIndex + 1;
                        if ('g' == yyC) {

                          yyC = character(yyIndex);
                          if (-1 != yyC) {
                            yyIndex = yyIndex + 1;
                            if ('m' == yyC) {

                              yyC = character(yyIndex);
                              if (-1 != yyC) {
                                yyIndex = yyIndex + 1;
                                if ('a' == yyC) {

                                  yyC = character(yyIndex);
                                  if (-1 != yyC) {
                                    yyIndex = yyIndex + 1;
                                    if (' ' == yyC) {

                                      yyResult = pPragma(yyIndex);
                                      yyError  = yyResult.select(yyError);
                                      if (yyResult.hasValue()) {
                                        final String pragma = yyResult.semanticValue();

                                        yyPredResult = 
                                          pLineTerminator(yyResult.index);
                                        yyError      = 
                                          yyPredResult.select(yyError);
                                        if (yyPredResult.hasValue()) {

                                          yyState.pragma(pragma, location(yyStart));

                                          yyValue = null;

                                          return yyResult.createValue(yyValue, yyError);
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
            break;

          case 'i':
            {
              yyC = character(yyIndex);
              if (-1 != yyC) {
                yyIndex = yyIndex + 1;
                if ('d' == yyC) {

                  yyC = character(yyIndex);
                  if (-1 != yyC) {
                    yyIndex = yyIndex + 1;
                    if ('e' == yyC) {

                      yyC = character(yyIndex);
                      if (-1 != yyC) {
                        yyIndex = yyIndex + 1;
                        if ('n' == yyC) {

                          yyC = character(yyIndex);
                          if (-1 != yyC) {
                            yyIndex = yyIndex + 1;
                            if ('t' == yyC) {

                              yyRepetition1 = yyIndex;
                              yyRepeated1   = false;
                              while (true) {

                                yyResult = pSpace(yyRepetition1);
                                yyError  = yyResult.select(yyError);
                                if (yyResult.hasValue()) {

                                  yyRepetition1 = yyResult.index;
                                  yyRepeated1   = true;
                                  continue;
                                }
                                break;
                              }

                              if (yyRepeated1) {

                                yyC = character(yyRepetition1);
                                if ('\"' == yyC) {
                                  yyIndex = yyRepetition1 + 1;

                                  yyResult = pFileName(yyIndex);
                                  yyError  = yyResult.select(yyError);
                                  if (yyResult.hasValue()) {
                                    final String s = yyResult.semanticValue();

                                    yyC = character(yyResult.index);
                                    if ('\"' == yyC) {
                                      yyIndex = yyResult.index + 1;

                                      yyPredResult = pLineTerminator(yyIndex);
                                      yyError      = 
                                        yyPredResult.select(yyError);
                                      if (yyPredResult.hasValue()) {

                                        yyState.ident(s, location(yyStart));

                                        yyValue = null;

                                        return new SemanticValue(yyValue, yyIndex, yyError);
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
            break;

          default:
            /* No match. */
          }
        }
      } // End scope for nested choice.
    }

    // Alternative 2.

    yyValue = null;

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CSpacing.LineNumber.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pLineNumber(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '1':
      case '2':
      case '3':
      case '4':
      case '5':
      case '6':
      case '7':
      case '8':
      case '9':
        {
          yyRepetition1 = yyIndex;
          while (true) {

            yyC = character(yyRepetition1);
            if (-1 != yyC) {
              yyIndex = yyRepetition1 + 1;

              switch (yyC) {
              case '0':
              case '1':
              case '2':
              case '3':
              case '4':
              case '5':
              case '6':
              case '7':
              case '8':
              case '9':
                {
                  yyRepetition1 = yyIndex;
                  continue;
                }

              default:
                /* No match. */
              }
            }
            break;
          }

          yyValue = difference(yyStart, yyRepetition1);

          return new SemanticValue(yyValue, yyRepetition1, yyError);
        }

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("line number expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CSpacing.FileName.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFileName(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    while (true) {

      final int yyChoice1 = yyRepetition1;

      // Nested alternative 1.

      yyC = character(yyChoice1);
      if (-1 != yyC) {
        yyIndex = yyChoice1 + 1;

        switch (yyC) {
        case '\\':
          {
            yyC = character(yyIndex);
            if (-1 != yyC) {
              yyIndex = yyIndex + 1;

              yyRepetition1 = yyIndex;
              continue;
            }
          }
          break;

        default:
          /* No match. */
        }
      }

      // Nested alternative 2.

      yyC = character(yyChoice1);
      if (-1 != yyC) {
        yyIndex = yyChoice1 + 1;

        switch (yyC) {
        case '\"':
        case '\\':
          /* No match. */
          break;

        default:
          {
            yyRepetition1 = yyIndex;
            continue;
          }
        }
      }
      break;
    }

    yyValue = difference(yyStart, yyRepetition1);

    return new SemanticValue(yyValue, yyRepetition1, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CSpacing.Pragma.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pPragma(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    while (true) {

      yyC = character(yyRepetition1);
      if (-1 != yyC) {
        yyIndex = yyRepetition1 + 1;

        switch (yyC) {
        case '\n':
        case '\r':
          /* No match. */
          break;

        default:
          {
            yyRepetition1 = yyIndex;
            continue;
          }
        }
      }
      break;
    }

    yyValue = difference(yyStart, yyRepetition1);

    return new SemanticValue(yyValue, yyRepetition1, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieSymbol.Symbol.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSymbol(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.fSymbol) 
      yyColumn.chunk1.fSymbol = pSymbol$1(yyStart);
    return yyColumn.chunk1.fSymbol;
  }

  /** Actually parse xtc.lang.jeannie.JeannieSymbol.Symbol. */
  private Result pSymbol$1(final int yyStart) throws IOException {
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbolCharacters(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieSymbol.SymbolCharacters.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSymbolCharacters(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '>':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case '>':
              {
                final int yyChoice2 = yyIndex;

                // Nested alternative 1.

                yyC = character(yyChoice2);
                if (-1 != yyC) {
                  yyIndex = yyChoice2 + 1;

                  switch (yyC) {
                  case '>':
                    {
                      final int yyChoice3 = yyIndex;

                      // Nested alternative 1.

                      yyC = character(yyChoice3);
                      if (-1 != yyC) {
                        yyIndex = yyChoice3 + 1;
                        if ('=' == yyC) {

                          yyValue = ">>>=";

                          return new SemanticValue(yyValue, yyIndex, yyError);
                        }
                      }

                      // Nested alternative 2.

                      yyValue = ">>>";

                      return new SemanticValue(yyValue, yyChoice3, yyError);
                    }

                  case '=':
                    {
                      yyValue = ">>=";

                      return new SemanticValue(yyValue, yyIndex, yyError);
                    }

                  default:
                    /* No match. */
                  }
                }

                // Nested alternative 2.

                yyValue = ">>";

                return new SemanticValue(yyValue, yyChoice2, yyError);
              }

            case '=':
              {
                yyValue = ">=";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.

          yyValue = ">";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '<':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case '<':
              {
                final int yyChoice2 = yyIndex;

                // Nested alternative 1.

                yyC = character(yyChoice2);
                if (-1 != yyC) {
                  yyIndex = yyChoice2 + 1;
                  if ('=' == yyC) {

                    yyValue = "<<=";

                    return new SemanticValue(yyValue, yyIndex, yyError);
                  }
                }

                // Nested alternative 2.

                yyValue = "<<";

                return new SemanticValue(yyValue, yyChoice2, yyError);
              }

            case '=':
              {
                yyValue = "<=";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.

          yyValue = "<";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '.':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;
            if ('.' == yyC) {

              yyC = character(yyIndex);
              if (-1 != yyC) {
                yyIndex = yyIndex + 1;
                if ('.' == yyC) {

                  yyValue = "...";

                  return new SemanticValue(yyValue, yyIndex, yyError);
                }
              }
            }
          }

          // Nested alternative 2.

          yyValue = ".";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '+':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case '=':
              {
                yyValue = "+=";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            case '+':
              {
                yyValue = "++";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.

          yyValue = "+";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '-':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case '=':
              {
                yyValue = "-=";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            case '-':
              {
                yyValue = "--";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            case '>':
              {
                yyValue = "->";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.

          yyValue = "-";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '*':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;
            if ('=' == yyC) {

              yyValue = "*=";

              return new SemanticValue(yyValue, yyIndex, yyError);
            }
          }

          // Nested alternative 2.

          yyValue = "*";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '/':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;
            if ('=' == yyC) {

              yyValue = "/=";

              return new SemanticValue(yyValue, yyIndex, yyError);
            }
          }

          // Nested alternative 2.

          yyValue = "/";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '%':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;
            if ('=' == yyC) {

              yyValue = "%=";

              return new SemanticValue(yyValue, yyIndex, yyError);
            }
          }

          // Nested alternative 2.

          yyValue = "%";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '&':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case '=':
              {
                yyValue = "&=";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            case '&':
              {
                yyValue = "&&";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.

          yyValue = "&";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '^':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;
            if ('=' == yyC) {

              yyValue = "^=";

              return new SemanticValue(yyValue, yyIndex, yyError);
            }
          }

          // Nested alternative 2.

          yyValue = "^";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '|':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case '=':
              {
                yyValue = "|=";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            case '|':
              {
                yyValue = "||";

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.

          yyValue = "|";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '=':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;
            if ('=' == yyC) {

              yyValue = "==";

              return new SemanticValue(yyValue, yyIndex, yyError);
            }
          }

          // Nested alternative 2.

          yyValue = "=";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case '!':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;
            if ('=' == yyC) {

              yyValue = "!=";

              return new SemanticValue(yyValue, yyIndex, yyError);
            }
          }

          // Nested alternative 2.

          yyValue = "!";

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }

      case ';':
        {
          yyValue = ";";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case ':':
        {
          yyValue = ":";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case ',':
        {
          yyValue = ",";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '{':
        {
          yyValue = "{";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '}':
        {
          yyValue = "}";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '(':
        {
          yyValue = "(";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case ')':
        {
          yyValue = ")";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '[':
        {
          yyValue = "[";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case ']':
        {
          yyValue = "]";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '`':
        {
          yyValue = "`";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '~':
        {
          yyValue = "~";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '?':
        {
          yyValue = "?";

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("symbol characters expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CIdentifier.Identifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCIdentifier$Identifier(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.fCIdentifier$Identifier) 
      yyColumn.chunk1.fCIdentifier$Identifier = pCIdentifier$Identifier$1(yyStart);
    return yyColumn.chunk1.fCIdentifier$Identifier;
  }

  /** Actually parse xtc.lang.CIdentifier.Identifier. */
  private Result pCIdentifier$Identifier$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCIdentifier$Word(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      if (! contains(C_KEYWORDS, toText(yyValue))) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("identifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CIdentifier.Keyword.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pKeyword(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk1) yyColumn.chunk1 = new Chunk1();
    if (null == yyColumn.chunk1.fKeyword) 
      yyColumn.chunk1.fKeyword = pKeyword$1(yyStart);
    return yyColumn.chunk1.fKeyword;
  }

  /** Actually parse xtc.lang.CIdentifier.Keyword. */
  private Result pKeyword$1(final int yyStart) throws IOException {
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCIdentifier$Word(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      if (contains(C_KEYWORDS, toText(yyValue))) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("keyword expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CIdentifier.Word.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCIdentifier$Word(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fCIdentifier$Word) 
      yyColumn.chunk2.fCIdentifier$Word = pCIdentifier$Word$1(yyStart);
    return yyColumn.chunk2.fCIdentifier$Word;
  }

  /** Actually parse xtc.lang.CIdentifier.Word. */
  private Result pCIdentifier$Word$1(final int yyStart) throws IOException {
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCIdentifier$WordCharacters(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CIdentifier.WordCharacters.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCIdentifier$WordCharacters(final int yyStart) 
    throws IOException {

    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;
      if ((('A' <= yyC) && (yyC <= 'Z')) ||
          ('_' == yyC) ||
          (('a' <= yyC) && (yyC <= 'z'))) {

        yyRepetition1 = yyIndex;
        while (true) {

          yyC = character(yyRepetition1);
          if (-1 != yyC) {
            yyIndex = yyRepetition1 + 1;
            if ((('0' <= yyC) && (yyC <= '9')) ||
                (('A' <= yyC) && (yyC <= 'Z')) ||
                ('_' == yyC) ||
                (('a' <= yyC) && (yyC <= 'z'))) {

              yyRepetition1 = yyIndex;
              continue;
            }
          }
          break;
        }

        yyValue = difference(yyStart, yyRepetition1);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      }
    }

    // Done.
    yyError = yyError.select("word characters expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CContext.TypedefContext.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pTypedefContext(final int yyStart) throws IOException {
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyState.typedef();

    yyValue = null;

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CContext.ParameterContext.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pParameterContext(final int yyStart) throws IOException {
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyState.parameters();

    yyValue = null;

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CContext.FunctionDeclaratorContext.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFunctionDeclaratorContext(final int yyStart) 
    throws IOException {

    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyState.functionDeclarator();

    yyValue = null;

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CContext.TypeSpecContext.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pTypeSpecContext(final int yyStart) throws IOException {
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyState.typeSpecifier();

    yyValue = null;

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CContext.PushScope.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pPushScope(final int yyStart) throws IOException {
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyState.pushScope();

    yyValue = null;

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CContext.PopScope.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pPopScope(final int yyStart) throws IOException {
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyState.popScope();

    yyValue = null;

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CContext.EnterStructure.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pEnterStructure(final int yyStart) throws IOException {
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyState.enterStructure();

    yyValue = null;

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.CContext.ExitStructure.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pExitStructure(final int yyStart) throws IOException {
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyState.exitStructure();

    yyValue = null;

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaType.ResultType.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pResultType(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fResultType) 
      yyColumn.chunk2.fResultType = pResultType$1(yyStart);
    return yyColumn.chunk2.fResultType;
  }

  /** Actually parse xtc.lang.JavaType.ResultType. */
  private Result pResultType$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Void>.

    yyResult = pVoidType(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Regular>.

    yyResult = pType(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaType.VoidType.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pVoidType(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Void>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("void")) {

      yyValue = GNode.create("VoidType", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("void type expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaType.Type.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pType(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fType) 
      yyColumn.chunk2.fType = pType$1(yyStart);
    return yyColumn.chunk2.fType;
  }

  /** Actually parse xtc.lang.JavaType.Type. */
  private Result pType$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Type>.

    yyResult = pJavaType$TypeName(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pDimensions(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$2.
        final Node v$g$2 = yyOpValue1;

        yyValue = GNode.create("Type", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyOption1, yyError);
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaType.TypeName.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaType$TypeName(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fJavaType$TypeName) 
      yyColumn.chunk2.fJavaType$TypeName = pJavaType$TypeName$1(yyStart);
    return yyColumn.chunk2.fJavaType$TypeName;
  }

  /** Actually parse xtc.lang.JavaType.TypeName. */
  private Result pJavaType$TypeName$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Basic>.

    yyResult = pPrimitiveType(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Class>.

    yyResult = pQualifiedIdentifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaType.PrimitiveType.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pPrimitiveType(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fPrimitiveType) 
      yyColumn.chunk2.fPrimitiveType = pPrimitiveType$1(yyStart);
    return yyColumn.chunk2.fPrimitiveType;
  }

  /** Actually parse xtc.lang.JavaType.PrimitiveType. */
  private Result pPrimitiveType$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Byte>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("byte")) {
      final String v$g$1 = "byte";

      yyValue = GNode.create("PrimitiveType", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Short>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("short")) {
      final String v$g$2 = "short";

      yyValue = GNode.create("PrimitiveType", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Char>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("char")) {
      final String v$g$3 = "char";

      yyValue = GNode.create("PrimitiveType", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Int>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("int")) {
      final String v$g$4 = "int";

      yyValue = GNode.create("PrimitiveType", v$g$4);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Long>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("long")) {
      final String v$g$5 = "long";

      yyValue = GNode.create("PrimitiveType", v$g$5);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Float>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("float")) {
      final String v$g$6 = "float";

      yyValue = GNode.create("PrimitiveType", v$g$6);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Double>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("double")) {
      final String v$g$7 = "double";

      yyValue = GNode.create("PrimitiveType", v$g$7);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Boolean>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("boolean")) {
      final String v$g$8 = "boolean";

      yyValue = GNode.create("PrimitiveType", v$g$8);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("primitive type expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaType.Dimensions.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDimensions(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fDimensions) 
      yyColumn.chunk2.fDimensions = pDimensions$1(yyStart);
    return yyColumn.chunk2.fDimensions;
  }

  /** Actually parse xtc.lang.JavaType.Dimensions. */
  private Result pDimensions$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pDimensions$$Plus1(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Pair<String> v$g$1 = yyResult.semanticValue();

      yyValue = GNode.createFromPair("Dimensions", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal xtc.lang.jeannie.Jeannie.Dimensions$$Plus1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDimensions$$Plus1(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fDimensions$$Plus1) 
      yyColumn.chunk2.fDimensions$$Plus1 = pDimensions$$Plus1$1(yyStart);
    return yyColumn.chunk2.fDimensions$$Plus1;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.Dimensions$$Plus1. */
  private Result pDimensions$$Plus1$1(final int yyStart) throws IOException {
    Result       yyResult;
    int          yyBase;
    Pair<String> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("[")) {
      final String v$el$1 = "[";

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("]")) {

        final int yyChoice1 = yyResult.index;

        // Nested alternative 1.

        yyResult = pDimensions$$Plus1(yyChoice1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Pair<String> v$2 = yyResult.semanticValue();

          yyValue = new Pair<String>(v$el$1, v$2);

          return yyResult.createValue(yyValue, yyError);
        }

        // Nested alternative 2.

        yyValue = new Pair<String>(v$el$1);

        return new SemanticValue(yyValue, yyChoice1, yyError);
      } else {
        yyError = yyError.select("']' expected", yyBase);
      }
    }

    // Done.
    yyError = yyError.select("dimensions expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.Literal.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pLiteral(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pFloatingPointLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 2.

    yyResult = pIntegerLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 3.

    yyResult = pJavaConstant$CharacterLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 4.

    yyResult = pJavaConstant$StringLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 5.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("true")) {
      final String v$g$1 = "true";

      yyValue = GNode.create("BooleanLiteral", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 6.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("false")) {
      final String v$g$2 = "false";

      yyValue = GNode.create("BooleanLiteral", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 7.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("null")) {

      yyValue = GNode.create("NullLiteral", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("literal expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.IntegerLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pIntegerLiteral(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Hex>.

    yyResult = pHexLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("IntegerLiteral", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Octal>.

    yyResult = pOctalLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyValue = GNode.create("IntegerLiteral", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Decimal>.

    yyResult = pDecimalLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$3 = yyResult.semanticValue();

      yyValue = GNode.create("IntegerLiteral", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.HexLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pHexLiteral(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyOption1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pHexNumeral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyOption1  = yyResult.index;

      yyC = character(yyOption1);
      if (-1 != yyC) {
        yyIndex = yyOption1 + 1;

        switch (yyC) {
        case 'L':
        case 'l':
          {
            yyOption1  = yyIndex;
          }
          break;

        default:
          /* No match. */
        }
      }

      yyValue = difference(yyStart, yyOption1);

      return new SemanticValue(yyValue, yyOption1, yyError);
    }

    // Done.
    yyError = yyError.select("hex literal expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.OctalLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pOctalLiteral(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyOption1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pOctalNumeral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyOption1  = yyResult.index;

      yyC = character(yyOption1);
      if (-1 != yyC) {
        yyIndex = yyOption1 + 1;

        switch (yyC) {
        case 'L':
        case 'l':
          {
            yyOption1  = yyIndex;
          }
          break;

        default:
          /* No match. */
        }
      }

      yyValue = difference(yyStart, yyOption1);

      return new SemanticValue(yyValue, yyOption1, yyError);
    }

    // Done.
    yyError = yyError.select("octal literal expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.DecimalLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDecimalLiteral(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyOption1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pDecimalNumeral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyOption1  = yyResult.index;

      yyC = character(yyOption1);
      if (-1 != yyC) {
        yyIndex = yyOption1 + 1;

        switch (yyC) {
        case 'L':
        case 'l':
          {
            yyOption1  = yyIndex;
          }
          break;

        default:
          /* No match. */
        }
      }

      yyValue = difference(yyStart, yyOption1);

      return new SemanticValue(yyValue, yyOption1, yyError);
    }

    // Done.
    yyError = yyError.select("decimal literal expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.DecimalNumeral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDecimalNumeral(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '0':
        {
          yyValue = null;

          return new SemanticValue(yyValue, yyIndex, yyError);
        }

      case '1':
      case '2':
      case '3':
      case '4':
      case '5':
      case '6':
      case '7':
      case '8':
      case '9':
        {
          yyRepetition1 = yyIndex;
          while (true) {

            yyC = character(yyRepetition1);
            if (-1 != yyC) {
              yyIndex = yyRepetition1 + 1;

              switch (yyC) {
              case '0':
              case '1':
              case '2':
              case '3':
              case '4':
              case '5':
              case '6':
              case '7':
              case '8':
              case '9':
                {
                  yyRepetition1 = yyIndex;
                  continue;
                }

              default:
                /* No match. */
              }
            }
            break;
          }

          yyValue = null;

          return new SemanticValue(yyValue, yyRepetition1, yyError);
        }

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("decimal numeral expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.HexNumeral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pHexNumeral(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('0' == yyC) {
      yyIndex = yyStart + 1;

      yyC = character(yyIndex);
      if (-1 != yyC) {
        yyIndex = yyIndex + 1;

        switch (yyC) {
        case 'X':
        case 'x':
          {
            yyRepetition1 = yyIndex;
            yyRepeated1   = false;
            while (true) {

              yyC = character(yyRepetition1);
              if (-1 != yyC) {
                yyIndex = yyRepetition1 + 1;

                switch (yyC) {
                case '0':
                case '1':
                case '2':
                case '3':
                case '4':
                case '5':
                case '6':
                case '7':
                case '8':
                case '9':
                case 'A':
                case 'B':
                case 'C':
                case 'D':
                case 'E':
                case 'F':
                case 'a':
                case 'b':
                case 'c':
                case 'd':
                case 'e':
                case 'f':
                  {
                    yyRepetition1 = yyIndex;
                    yyRepeated1   = true;
                    continue;
                  }

                default:
                  /* No match. */
                }
              }
              break;
            }

            if (yyRepeated1) {

              yyValue = null;

              return new SemanticValue(yyValue, yyRepetition1, yyError);
            }
          }
          break;

        default:
          /* No match. */
        }
      }
    }

    // Done.
    yyError = yyError.select("hex numeral expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.OctalNumeral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pOctalNumeral(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('0' == yyC) {
      yyIndex = yyStart + 1;

      yyRepetition1 = yyIndex;
      yyRepeated1   = false;
      while (true) {

        yyC = character(yyRepetition1);
        if (-1 != yyC) {
          yyIndex = yyRepetition1 + 1;

          switch (yyC) {
          case '0':
          case '1':
          case '2':
          case '3':
          case '4':
          case '5':
          case '6':
          case '7':
            {
              yyRepetition1 = yyIndex;
              yyRepeated1   = true;
              continue;
            }

          default:
            /* No match. */
          }
        }
        break;
      }

      if (yyRepeated1) {

        yyValue = null;

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      }
    }

    // Done.
    yyError = yyError.select("octal numeral expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.FloatingPointLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFloatingPointLiteral(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pFloatingPointString(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("FloatingPointLiteral", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.FloatingPointString.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFloatingPointString(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    int        yyOption1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    while (true) {

      yyC = character(yyRepetition1);
      if (-1 != yyC) {
        yyIndex = yyRepetition1 + 1;

        switch (yyC) {
        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
          {
            yyRepetition1 = yyIndex;
            yyRepeated1   = true;
            continue;
          }

        default:
          /* No match. */
        }
      }
      break;
    }

    if (yyRepeated1) {

      yyC = character(yyRepetition1);
      if ('.' == yyC) {
        yyIndex = yyRepetition1 + 1;

        yyRepetition1 = yyIndex;
        while (true) {

          yyC = character(yyRepetition1);
          if (-1 != yyC) {
            yyIndex = yyRepetition1 + 1;

            switch (yyC) {
            case '0':
            case '1':
            case '2':
            case '3':
            case '4':
            case '5':
            case '6':
            case '7':
            case '8':
            case '9':
              {
                yyRepetition1 = yyIndex;
                continue;
              }

            default:
              /* No match. */
            }
          }
          break;
        }

        yyOption1  = yyRepetition1;

        yyResult = pJavaConstant$Exponent(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {

          yyOption1  = yyResult.index;
        }


        yyC = character(yyOption1);
        if (-1 != yyC) {
          yyIndex = yyOption1 + 1;

          switch (yyC) {
          case 'D':
          case 'F':
          case 'd':
          case 'f':
            {
              yyOption1  = yyIndex;
            }
            break;

          default:
            /* No match. */
          }
        }

        yyValue = difference(yyStart, yyOption1);

        return new SemanticValue(yyValue, yyOption1, yyError);
      }
    }

    // Alternative 2.

    yyC = character(yyStart);
    if ('.' == yyC) {
      yyIndex = yyStart + 1;

      yyRepetition1 = yyIndex;
      yyRepeated1   = false;
      while (true) {

        yyC = character(yyRepetition1);
        if (-1 != yyC) {
          yyIndex = yyRepetition1 + 1;

          switch (yyC) {
          case '0':
          case '1':
          case '2':
          case '3':
          case '4':
          case '5':
          case '6':
          case '7':
          case '8':
          case '9':
            {
              yyRepetition1 = yyIndex;
              yyRepeated1   = true;
              continue;
            }

          default:
            /* No match. */
          }
        }
        break;
      }

      if (yyRepeated1) {

        yyOption1  = yyRepetition1;

        yyResult = pJavaConstant$Exponent(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {

          yyOption1  = yyResult.index;
        }


        yyC = character(yyOption1);
        if (-1 != yyC) {
          yyIndex = yyOption1 + 1;

          switch (yyC) {
          case 'D':
          case 'F':
          case 'd':
          case 'f':
            {
              yyOption1  = yyIndex;
            }
            break;

          default:
            /* No match. */
          }
        }

        yyValue = difference(yyStart, yyOption1);

        return new SemanticValue(yyValue, yyOption1, yyError);
      }
    }

    // Alternative 3.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    while (true) {

      yyC = character(yyRepetition1);
      if (-1 != yyC) {
        yyIndex = yyRepetition1 + 1;

        switch (yyC) {
        case '0':
        case '1':
        case '2':
        case '3':
        case '4':
        case '5':
        case '6':
        case '7':
        case '8':
        case '9':
          {
            yyRepetition1 = yyIndex;
            yyRepeated1   = true;
            continue;
          }

        default:
          /* No match. */
        }
      }
      break;
    }

    if (yyRepeated1) {

      final int yyChoice1 = yyRepetition1;

      // Nested alternative 1.

      yyResult = pJavaConstant$Exponent(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyOption1  = yyResult.index;

        yyC = character(yyOption1);
        if (-1 != yyC) {
          yyIndex = yyOption1 + 1;

          switch (yyC) {
          case 'D':
          case 'F':
          case 'd':
          case 'f':
            {
              yyOption1  = yyIndex;
            }
            break;

          default:
            /* No match. */
          }
        }

        yyValue = difference(yyStart, yyOption1);

        return new SemanticValue(yyValue, yyOption1, yyError);
      }

      // Nested alternative 2.

      yyOption1  = yyChoice1;

      yyResult = pJavaConstant$Exponent(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {

        yyOption1  = yyResult.index;
      }

      yyC = character(yyOption1);
      if (-1 != yyC) {
        yyIndex = yyOption1 + 1;

        switch (yyC) {
        case 'D':
        case 'F':
        case 'd':
        case 'f':
          {
            yyValue = difference(yyStart, yyIndex);

            return new SemanticValue(yyValue, yyIndex, yyError);
          }

        default:
          /* No match. */
        }
      }
    }

    // Done.
    yyError = yyError.select("floating point string expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.Exponent.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaConstant$Exponent(final int yyStart) 
    throws IOException {

    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    boolean    yyRepeated1;
    int        yyOption1;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case 'E':
      case 'e':
        {
          yyOption1  = yyIndex;

          yyC = character(yyOption1);
          if (-1 != yyC) {
            yyIndex = yyOption1 + 1;

            switch (yyC) {
            case '+':
            case '-':
              {
                yyOption1  = yyIndex;
              }
              break;

            default:
              /* No match. */
            }
          }

          yyRepetition1 = yyOption1;
          yyRepeated1   = false;
          while (true) {

            yyC = character(yyRepetition1);
            if (-1 != yyC) {
              yyIndex = yyRepetition1 + 1;

              switch (yyC) {
              case '0':
              case '1':
              case '2':
              case '3':
              case '4':
              case '5':
              case '6':
              case '7':
              case '8':
              case '9':
                {
                  yyRepetition1 = yyIndex;
                  yyRepeated1   = true;
                  continue;
                }

              default:
                /* No match. */
              }
            }
            break;
          }

          if (yyRepeated1) {

            yyValue = null;

            return new SemanticValue(yyValue, yyRepetition1, yyError);
          }
        }
        break;

      default:
        /* No match. */
      }
    }

    // Done.
    yyError = yyError.select("exponent expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.CharacterLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaConstant$CharacterLiteral(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaConstant$CharacterConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("CharacterLiteral", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.StringLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaConstant$StringLiteral(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaConstant$StringConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("StringLiteral", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.CharacterConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaConstant$CharacterConstant(final int yyStart) 
    throws IOException {

    int        yyC;
    int        yyIndex;
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('\'' == yyC) {
      yyIndex = yyStart + 1;

      yyResult = pJavaConstant$CharacterConstant$$Choice1(yyIndex);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyC = character(yyResult.index);
        if ('\'' == yyC) {
          yyIndex = yyResult.index + 1;

          yyValue = difference(yyStart, yyIndex);

          return new SemanticValue(yyValue, yyIndex, yyError);
        }
      }
    }

    // Done.
    yyError = yyError.select("character constant expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JavaConstant.CharacterConstant$$Choice1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaConstant$CharacterConstant$$Choice1(final int yyStart) 
    throws IOException {

    int        yyC;
    int        yyIndex;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '\\':
        {
          final int yyChoice1 = yyIndex;

          // Nested alternative 1.

          yyC = character(yyChoice1);
          if (-1 != yyC) {
            yyIndex = yyChoice1 + 1;

            switch (yyC) {
            case '\"':
            case '\'':
            case '\\':
            case 'b':
            case 'f':
            case 'n':
            case 'r':
            case 't':
              {
                yyValue = null;

                return new SemanticValue(yyValue, yyIndex, yyError);
              }

            case 'u':
              {
                yyC = character(yyIndex);
                if (-1 != yyC) {
                  yyIndex = yyIndex + 1;

                  switch (yyC) {
                  case '0':
                  case '1':
                  case '2':
                  case '3':
                  case '4':
                  case '5':
                  case '6':
                  case '7':
                  case '8':
                  case '9':
                  case 'A':
                  case 'B':
                  case 'C':
                  case 'D':
                  case 'E':
                  case 'F':
                  case 'a':
                  case 'b':
                  case 'c':
                  case 'd':
                  case 'e':
                  case 'f':
                    {
                      yyC = character(yyIndex);
                      if (-1 != yyC) {
                        yyIndex = yyIndex + 1;

                        switch (yyC) {
                        case '0':
                        case '1':
                        case '2':
                        case '3':
                        case '4':
                        case '5':
                        case '6':
                        case '7':
                        case '8':
                        case '9':
                        case 'A':
                        case 'B':
                        case 'C':
                        case 'D':
                        case 'E':
                        case 'F':
                        case 'a':
                        case 'b':
                        case 'c':
                        case 'd':
                        case 'e':
                        case 'f':
                          {
                            yyC = character(yyIndex);
                            if (-1 != yyC) {
                              yyIndex = yyIndex + 1;

                              switch (yyC) {
                              case '0':
                              case '1':
                              case '2':
                              case '3':
                              case '4':
                              case '5':
                              case '6':
                              case '7':
                              case '8':
                              case '9':
                              case 'A':
                              case 'B':
                              case 'C':
                              case 'D':
                              case 'E':
                              case 'F':
                              case 'a':
                              case 'b':
                              case 'c':
                              case 'd':
                              case 'e':
                              case 'f':
                                {
                                  yyC = character(yyIndex);
                                  if (-1 != yyC) {
                                    yyIndex = yyIndex + 1;

                                    switch (yyC) {
                                    case '0':
                                    case '1':
                                    case '2':
                                    case '3':
                                    case '4':
                                    case '5':
                                    case '6':
                                    case '7':
                                    case '8':
                                    case '9':
                                    case 'A':
                                    case 'B':
                                    case 'C':
                                    case 'D':
                                    case 'E':
                                    case 'F':
                                    case 'a':
                                    case 'b':
                                    case 'c':
                                    case 'd':
                                    case 'e':
                                    case 'f':
                                      {
                                        yyValue = null;

                                        return new SemanticValue(yyValue, yyIndex, yyError);
                                      }

                                    default:
                                      /* No match. */
                                    }
                                  }
                                }
                                break;

                              default:
                                /* No match. */
                              }
                            }
                          }
                          break;

                        default:
                          /* No match. */
                        }
                      }
                    }
                    break;

                  default:
                    /* No match. */
                  }
                }
              }
              break;

            default:
              /* No match. */
            }
          }

          // Nested alternative 2.
          { // Start scope for nested choice.

            final int yyChoice2 = yyChoice1;

            // Nested alternative 1.

            yyC = character(yyChoice2);
            if (-1 != yyC) {
              yyIndex = yyChoice2 + 1;

              switch (yyC) {
              case '0':
              case '1':
              case '2':
              case '3':
                {
                  yyC = character(yyIndex);
                  if (-1 != yyC) {
                    yyIndex = yyIndex + 1;

                    switch (yyC) {
                    case '0':
                    case '1':
                    case '2':
                    case '3':
                    case '4':
                    case '5':
                    case '6':
                    case '7':
                      {
                        yyC = character(yyIndex);
                        if (-1 != yyC) {
                          yyIndex = yyIndex + 1;

                          switch (yyC) {
                          case '0':
                          case '1':
                          case '2':
                          case '3':
                          case '4':
                          case '5':
                          case '6':
                          case '7':
                            {
                              yyValue = null;

                              return new SemanticValue(yyValue, yyIndex, yyError);
                            }

                          default:
                            /* No match. */
                          }
                        }
                      }
                      break;

                    default:
                      /* No match. */
                    }
                  }
                }
                break;

              default:
                /* No match. */
              }
            }

            // Nested alternative 2.

            yyC = character(yyChoice2);
            if (-1 != yyC) {
              yyIndex = yyChoice2 + 1;

              switch (yyC) {
              case '0':
              case '1':
              case '2':
              case '3':
              case '4':
              case '5':
              case '6':
              case '7':
                {
                  final int yyChoice3 = yyIndex;

                  // Nested alternative 1.

                  yyC = character(yyChoice3);
                  if (-1 != yyC) {
                    yyIndex = yyChoice3 + 1;

                    switch (yyC) {
                    case '0':
                    case '1':
                    case '2':
                    case '3':
                    case '4':
                    case '5':
                    case '6':
                    case '7':
                      {
                        yyValue = null;

                        return new SemanticValue(yyValue, yyIndex, yyError);
                      }

                    default:
                      /* No match. */
                    }
                  }

                  // Nested alternative 2.

                  yyValue = null;

                  return new SemanticValue(yyValue, yyChoice3, yyError);
                }

              default:
                /* No match. */
              }
            }
          } // End scope for nested choice.
        }
        break;

      default:
        /* No match. */
      }
    }

    // Alternative 2.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;

      switch (yyC) {
      case '\'':
      case '\\':
        /* No match. */
        break;

      default:
        {
          yyValue = null;

          return new SemanticValue(yyValue, yyIndex, yyError);
        }
      }
    }

    // Done.
    yyError = yyError.select("character constant expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaConstant.StringConstant.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaConstant$StringConstant(final int yyStart) 
    throws IOException {

    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if ('\"' == yyC) {
      yyIndex = yyStart + 1;

      yyRepetition1 = yyIndex;
      while (true) {

        final int yyChoice1 = yyRepetition1;

        // Nested alternative 1.

        yyC = character(yyChoice1);
        if (-1 != yyC) {
          yyIndex = yyChoice1 + 1;

          switch (yyC) {
          case '\\':
            {
              final int yyChoice2 = yyIndex;

              // Nested alternative 1.

              yyC = character(yyChoice2);
              if (-1 != yyC) {
                yyIndex = yyChoice2 + 1;

                switch (yyC) {
                case '\"':
                case '\'':
                case '\\':
                case 'b':
                case 'f':
                case 'n':
                case 'r':
                case 't':
                  {
                    yyRepetition1 = yyIndex;
                    continue;
                  }

                case 'u':
                  {
                    yyC = character(yyIndex);
                    if (-1 != yyC) {
                      yyIndex = yyIndex + 1;

                      switch (yyC) {
                      case '0':
                      case '1':
                      case '2':
                      case '3':
                      case '4':
                      case '5':
                      case '6':
                      case '7':
                      case '8':
                      case '9':
                      case 'A':
                      case 'B':
                      case 'C':
                      case 'D':
                      case 'E':
                      case 'F':
                      case 'a':
                      case 'b':
                      case 'c':
                      case 'd':
                      case 'e':
                      case 'f':
                        {
                          yyC = character(yyIndex);
                          if (-1 != yyC) {
                            yyIndex = yyIndex + 1;

                            switch (yyC) {
                            case '0':
                            case '1':
                            case '2':
                            case '3':
                            case '4':
                            case '5':
                            case '6':
                            case '7':
                            case '8':
                            case '9':
                            case 'A':
                            case 'B':
                            case 'C':
                            case 'D':
                            case 'E':
                            case 'F':
                            case 'a':
                            case 'b':
                            case 'c':
                            case 'd':
                            case 'e':
                            case 'f':
                              {
                                yyC = character(yyIndex);
                                if (-1 != yyC) {
                                  yyIndex = yyIndex + 1;

                                  switch (yyC) {
                                  case '0':
                                  case '1':
                                  case '2':
                                  case '3':
                                  case '4':
                                  case '5':
                                  case '6':
                                  case '7':
                                  case '8':
                                  case '9':
                                  case 'A':
                                  case 'B':
                                  case 'C':
                                  case 'D':
                                  case 'E':
                                  case 'F':
                                  case 'a':
                                  case 'b':
                                  case 'c':
                                  case 'd':
                                  case 'e':
                                  case 'f':
                                    {
                                      yyC = character(yyIndex);
                                      if (-1 != yyC) {
                                        yyIndex = yyIndex + 1;

                                        switch (yyC) {
                                        case '0':
                                        case '1':
                                        case '2':
                                        case '3':
                                        case '4':
                                        case '5':
                                        case '6':
                                        case '7':
                                        case '8':
                                        case '9':
                                        case 'A':
                                        case 'B':
                                        case 'C':
                                        case 'D':
                                        case 'E':
                                        case 'F':
                                        case 'a':
                                        case 'b':
                                        case 'c':
                                        case 'd':
                                        case 'e':
                                        case 'f':
                                          {
                                            yyRepetition1 = yyIndex;
                                            continue;
                                          }

                                        default:
                                          /* No match. */
                                        }
                                      }
                                    }
                                    break;

                                  default:
                                    /* No match. */
                                  }
                                }
                              }
                              break;

                            default:
                              /* No match. */
                            }
                          }
                        }
                        break;

                      default:
                        /* No match. */
                      }
                    }
                  }
                  break;

                default:
                  /* No match. */
                }
              }

              // Nested alternative 2.
              { // Start scope for nested choice.

                final int yyChoice3 = yyChoice2;

                // Nested alternative 1.

                yyC = character(yyChoice3);
                if (-1 != yyC) {
                  yyIndex = yyChoice3 + 1;

                  switch (yyC) {
                  case '0':
                  case '1':
                  case '2':
                  case '3':
                    {
                      yyC = character(yyIndex);
                      if (-1 != yyC) {
                        yyIndex = yyIndex + 1;

                        switch (yyC) {
                        case '0':
                        case '1':
                        case '2':
                        case '3':
                        case '4':
                        case '5':
                        case '6':
                        case '7':
                          {
                            yyC = character(yyIndex);
                            if (-1 != yyC) {
                              yyIndex = yyIndex + 1;

                              switch (yyC) {
                              case '0':
                              case '1':
                              case '2':
                              case '3':
                              case '4':
                              case '5':
                              case '6':
                              case '7':
                                {
                                  yyRepetition1 = yyIndex;
                                  continue;
                                }

                              default:
                                /* No match. */
                              }
                            }
                          }
                          break;

                        default:
                          /* No match. */
                        }
                      }
                    }
                    break;

                  default:
                    /* No match. */
                  }
                }

                // Nested alternative 2.

                yyC = character(yyChoice3);
                if (-1 != yyC) {
                  yyIndex = yyChoice3 + 1;

                  switch (yyC) {
                  case '0':
                  case '1':
                  case '2':
                  case '3':
                  case '4':
                  case '5':
                  case '6':
                  case '7':
                    {
                      final int yyChoice4 = yyIndex;

                      // Nested alternative 1.

                      yyC = character(yyChoice4);
                      if (-1 != yyC) {
                        yyIndex = yyChoice4 + 1;

                        switch (yyC) {
                        case '0':
                        case '1':
                        case '2':
                        case '3':
                        case '4':
                        case '5':
                        case '6':
                        case '7':
                          {
                            yyRepetition1 = yyIndex;
                            continue;
                          }

                        default:
                          /* No match. */
                        }
                      }

                      // Nested alternative 2.

                      yyRepetition1 = yyChoice4;
                      continue;
                    }

                  default:
                    /* No match. */
                  }
                }
              } // End scope for nested choice.
            }
            break;

          default:
            /* No match. */
          }
        }

        // Nested alternative 2.

        yyC = character(yyChoice1);
        if (-1 != yyC) {
          yyIndex = yyChoice1 + 1;

          switch (yyC) {
          case '\"':
          case '\\':
            /* No match. */
            break;

          default:
            {
              yyRepetition1 = yyIndex;
              continue;
            }
          }
        }
        break;
      }

      yyC = character(yyRepetition1);
      if ('\"' == yyC) {
        yyIndex = yyRepetition1 + 1;

        yyValue = difference(yyStart, yyIndex);

        return new SemanticValue(yyValue, yyIndex, yyError);
      }
    }

    // Done.
    yyError = yyError.select("string constant expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaIdentifier.QualifiedIdentifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pQualifiedIdentifier(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fQualifiedIdentifier) 
      yyColumn.chunk2.fQualifiedIdentifier = pQualifiedIdentifier$1(yyStart);
    return yyColumn.chunk2.fQualifiedIdentifier;
  }

  /** Actually parse xtc.lang.JavaIdentifier.QualifiedIdentifier. */
  private Result pQualifiedIdentifier$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyResult = pQualifiedIdentifier$$Star1(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<String> v$g$2 = yyResult.semanticValue();

        yyValue = GNode.createFromPair("QualifiedIdentifier", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.QualifiedIdentifier$$Star1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pQualifiedIdentifier$$Star1(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fQualifiedIdentifier$$Star1) 
      yyColumn.chunk2.fQualifiedIdentifier$$Star1 = pQualifiedIdentifier$$Star1$1(yyStart);
    return yyColumn.chunk2.fQualifiedIdentifier$$Star1;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.QualifiedIdentifier$$Star1. */
  private Result pQualifiedIdentifier$$Star1$1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Pair<String> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(".")) {

      yyResult = pJavaIdentifier$Identifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final String v$el$1 = yyResult.semanticValue();

        yyResult = pQualifiedIdentifier$$Star1(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Pair<String> v$2 = yyResult.semanticValue();

          yyValue = new Pair<String>(v$el$1, v$2);

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative 2.

    yyValue = Pair.empty();

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaIdentifier.Identifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaIdentifier$Identifier(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk2) yyColumn.chunk2 = new Chunk2();
    if (null == yyColumn.chunk2.fJavaIdentifier$Identifier) 
      yyColumn.chunk2.fJavaIdentifier$Identifier = pJavaIdentifier$Identifier$1(yyStart);
    return yyColumn.chunk2.fJavaIdentifier$Identifier;
  }

  /** Actually parse xtc.lang.JavaIdentifier.Identifier. */
  private Result pJavaIdentifier$Identifier$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      if (! contains(JAVA_KEYWORDS, toText(yyValue))) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("identifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaIdentifier.Word.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaIdentifier$Word(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fJavaIdentifier$Word) 
      yyColumn.chunk3.fJavaIdentifier$Word = pJavaIdentifier$Word$1(yyStart);
    return yyColumn.chunk3.fJavaIdentifier$Word;
  }

  /** Actually parse xtc.lang.JavaIdentifier.Word. */
  private Result pJavaIdentifier$Word$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$WordCharacters(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.JavaIdentifier.WordCharacters.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaIdentifier$WordCharacters(final int yyStart) 
    throws IOException {

    int        yyC;
    int        yyIndex;
    int        yyRepetition1;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyC = character(yyStart);
    if (-1 != yyC) {
      yyIndex = yyStart + 1;
      final char start = (char)yyC;

      if (Character.isJavaIdentifierStart(start)) {

        yyRepetition1 = yyIndex;
        while (true) {

          yyC = character(yyRepetition1);
          if (-1 != yyC) {
            yyIndex = yyRepetition1 + 1;
            final char part = (char)yyC;

            if (Character.isJavaIdentifierPart(part)) {

              yyRepetition1 = yyIndex;
              continue;
            }
          }
          break;
        }

        yyValue = difference(yyStart, yyRepetition1);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      }
    }

    // Done.
    yyError = yyError.select("word characters expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.TranslationUnit.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pTranslationUnit(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pDirective(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pJeannieC$JavaImports(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$1 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        }
        { // Start scope for v$g$1.
          final Node v$g$1 = yyOpValue1;

          yyRepetition1 = yyOption1;
          yyRepValue1   = Pair.empty();
          while (true) {

            yyResult = pExternalDeclaration(yyRepetition1);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Node v$el$2 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Node>(v$el$2, yyRepValue1);
              continue;
            }
            break;
          }
          { // Start scope for v$g$2.
            final Pair<Node> v$g$2 = yyRepValue1.reverse();

            yyResult = pAnnotations(yyRepetition1);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$3 = yyResult.semanticValue();

              yyResult = pEndOfFile(yyResult.index);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {

                yyValue = GNode.create("TranslationUnit", v$g$2.size() + 2).
                  add(v$g$1).addAll(v$g$2).add(v$g$3);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              }
            }
          } // End scope for v$g$2.
        } // End scope for v$g$1.
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Prelude.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pPrelude(final int yyStart) throws IOException {
    Result     yyResult;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Reset the global state object.
    yyState.reset(column(yyStart).file);

    // Alternative 1.

    yyResult = pDirective(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyResult = pSpacing(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyValue = null;

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ExternalDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pExternalDeclaration(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fExternalDeclaration) 
      yyColumn.chunk3.fExternalDeclaration = pExternalDeclaration$1(yyStart);
    return yyColumn.chunk3.fExternalDeclaration;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.ExternalDeclaration. */
  private Result pExternalDeclaration$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Start a state modification.
    yyState.start();

    // Alternative <Declaration>.

    yyState.mark();

    yyResult = pJeannieC$Declaration(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node d = yyResult.semanticValue();

      yyValue = yyState.annotate(d);

      // Commit the state modification.
      yyState.commit();

      setLocation(yyValue, yyStart);
      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Function>.

    yyResult = pFunctionDefinition(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node fd = yyResult.semanticValue();

      yyValue = yyState.annotate(fd);

      // Commit the state modification.
      yyState.commit();

      setLocation(yyValue, yyStart);
      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Assembly>.

    yyResult = pAssemblyDefinition(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node a = yyResult.semanticValue();

      yyValue = yyState.annotate(a);

      // Commit the state modification.
      yyState.commit();

      setLocation(yyValue, yyStart);
      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Empty>.

    yyResult = pEmptyDefinition(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node e = yyResult.semanticValue();

      yyValue = yyState.annotate(e);

      // Commit the state modification.
      yyState.commit();

      setLocation(yyValue, yyStart);
      return yyResult.createValue(yyValue, yyError);
    }

    // Abort the state modification.
    yyState.abort();

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.FunctionDefinition.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFunctionDefinition(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Object     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Definition>.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyBase   = yyOption1;
    yyResult = pKeyword(yyBase);
    if (yyResult.hasValue("__extension__")) {
      final String v$el$1 = "__extension__";

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    } else {
      yyError = yyError.select("'__extension__' expected", yyBase);
    }
    { // Start scope for v$g$1.
      final String v$g$1 = cast(yyOpValue1);

      yyOpValue1 = null;

      yyResult = pDeclarationSpecifiers(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$2 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$2;
      }
      { // Start scope for v$g$2.
        final Node v$g$2 = cast(yyOpValue1);

        yyResult = pJeannieC$Declarator(yyOption1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$3 = yyResult.semanticValue();

          yyResult = pFunctionDeclaratorContext(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {

            yyOption1  = yyResult.index;
            yyOpValue1 = null;

            yyResult = pDeclarationList(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$3 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$3;
            }
            { // Start scope for v$g$4.
              final Node v$g$4 = cast(yyOpValue1);

              yyResult = pCompoundStatement(yyOption1);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {
                final Node v$g$5 = yyResult.semanticValue();

                yyValue = GNode.create("FunctionDefinition", v$g$1, v$g$2, v$g$3, v$g$4, v$g$5);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              }
            } // End scope for v$g$4.
          }
        }
      } // End scope for v$g$2.
    } // End scope for v$g$1.

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.DeclarationList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDeclarationList(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <List>.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pDeclarationListEntry(yyRepetition1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepeated1   = true;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }

    if (yyRepeated1) {
      final Pair<Node> v$g$1 = yyRepValue1.reverse();

      yyValue = GNode.createFromPair("DeclarationList", v$g$1);
      yyValue.setLocation(location(yyStart));

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.DeclarationListEntry.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDeclarationListEntry(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Start a state modification.
    yyState.start();

    // Alternative <Entry>.

    yyResult = pJeannieC$Declaration(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      // Commit the state modification.
      yyState.commit();

      return yyResult.createValue(yyValue, yyError);
    }

    // Abort the state modification.
    yyState.abort();

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.EmptyDefinition.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pEmptyDefinition(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(";")) {

      yyValue = GNode.create("EmptyDefinition", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("empty definition expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Annotations.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAnnotations(final int yyStart) throws IOException {
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Start a state modification.
    yyState.start();

    // Alternative 1.

    yyState.mark();
    yyValue = yyState.annotate(null);

    // Commit the state modification.
    yyState.commit();

    setLocation(yyValue, yyStart);
    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Declaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$Declaration(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Object     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyBase   = yyOption1;
    yyResult = pKeyword(yyBase);
    if (yyResult.hasValue("__extension__")) {
      final String v$el$1 = "__extension__";

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    } else {
      yyError = yyError.select("'__extension__' expected", yyBase);
    }
    { // Start scope for v$g$1.
      final String v$g$1 = cast(yyOpValue1);

      yyResult = pDeclarationSpecifiers(yyOption1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pInitializedDeclaratorList(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$2;
        }
        { // Start scope for l.
          final Node l = cast(yyOpValue1);

          if (yyState.isValid(l)) {

            yyBase   = yyOption1;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue(";")) {

              yyValue = GNode.create("Declaration", v$g$1, v$g$2, l);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            } else {
              yyError = yyError.select("';' expected", yyBase);
            }
          }
        } // End scope for l.
      }
    } // End scope for v$g$1.

    // Done.
    yyError = yyError.select("declaration expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.DeclarationSpecifiers.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDeclarationSpecifiers(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fDeclarationSpecifiers) 
      yyColumn.chunk3.fDeclarationSpecifiers = pDeclarationSpecifiers$1(yyStart);
    return yyColumn.chunk3.fDeclarationSpecifiers;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.DeclarationSpecifiers. */
  private Result pDeclarationSpecifiers$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pDeclarationSpecifierPlus(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Pair<Node> v$g$1 = yyResult.semanticValue();

      yyValue = GNode.createFromPair("DeclarationSpecifiers", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.DeclarationSpecifierPlus.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDeclarationSpecifierPlus(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Pair<Node> yyRepValue1;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pDeclarationSpecifier(yyRepetition1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepeated1   = true;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }

    if (yyRepeated1) {
      yyValue = yyRepValue1.reverse();

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.DeclarationSpecifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDeclarationSpecifier(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <StorageClass>.

    yyResult = pStorageClassSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <TypeSpecifier>.

    yyResult = pTypeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pTypeSpecContext(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <TypeQualifier>.

    yyResult = pTypeQualifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 4.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("inline")) {
      final String v$g$1 = "inline";

      yyValue = GNode.create("FunctionSpecifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 5.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__inline")) {
      final String v$g$2 = "__inline";

      yyValue = GNode.create("FunctionSpecifier", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 6.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__inline__")) {
      final String v$g$3 = "__inline__";

      yyValue = GNode.create("FunctionSpecifier", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Attribute>.

    yyResult = pAttributeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("declaration specifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.InitializedDeclaratorList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pInitializedDeclaratorList(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fInitializedDeclaratorList) 
      yyColumn.chunk3.fInitializedDeclaratorList = pInitializedDeclaratorList$1(yyStart);
    return yyColumn.chunk3.fInitializedDeclaratorList;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.InitializedDeclaratorList. */
  private Result pInitializedDeclaratorList$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <List>.

    yyResult = pInitializedDeclarator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pInitializedDeclaratorList$$Star1(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<Node> v$g$2 = yyResult.semanticValue();

        yyValue = GNode.createFromPair("InitializedDeclaratorList", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.InitializedDeclaratorList$$Star1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pInitializedDeclaratorList$$Star1(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fInitializedDeclaratorList$$Star1) 
      yyColumn.chunk3.fInitializedDeclaratorList$$Star1 = pInitializedDeclaratorList$$Star1$1(yyStart);
    return yyColumn.chunk3.fInitializedDeclaratorList$$Star1;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.InitializedDeclaratorList$$Star1. */
  private Result pInitializedDeclaratorList$$Star1$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(",")) {

      yyResult = pInitializedDeclarator(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyResult = pInitializedDeclaratorList$$Star1(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Pair<Node> v$2 = yyResult.semanticValue();

          yyValue = new Pair<Node>(v$el$1, v$2);

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative 2.

    yyValue = Pair.empty();

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.InitializedDeclarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pInitializedDeclarator(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pAttributeSpecifierList(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {
      final Node v$el$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    }
    { // Start scope for v$g$1.
      final Node v$g$1 = yyOpValue1;

      yyResult = pJeannieC$Declarator(yyOption1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pSimpleAssemblyExpression(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$2;
        }
        { // Start scope for v$g$3.
          final Node v$g$3 = yyOpValue1;

          yyOpValue1 = null;

          yyResult = pAttributeSpecifierList(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$3 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$3;
          }
          { // Start scope for v$g$4.
            final Node v$g$4 = yyOpValue1;

            yyOpValue1 = null;

            yyBase   = yyOption1;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue("=")) {

              yyResult = pInitializer(yyResult.index);
              yyError  = yyResult.select(yyError, yyOption1);
              if (yyResult.hasValue()) {
                final Node v$el$4 = yyResult.semanticValue();

                yyOption1  = yyResult.index;
                yyOpValue1 = v$el$4;
              }
            } else {
              yyError = yyError.select("'=' expected", yyBase);
            }
            { // Start scope for v$g$5.
              final Node v$g$5 = yyOpValue1;

              yyValue = GNode.create("InitializedDeclarator", v$g$1, v$g$2, v$g$3, v$g$4, v$g$5);
              yyValue.setLocation(location(yyStart));

              return new SemanticValue(yyValue, yyOption1, yyError);
            } // End scope for v$g$5.
          } // End scope for v$g$4.
        } // End scope for v$g$3.
      }
    } // End scope for v$g$1.

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.StorageClassSpecifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pStorageClassSpecifier(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("auto")) {

      yyValue = GNode.create("AutoSpecifier", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("extern")) {

      yyValue = GNode.create("ExternSpecifier", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 3.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("register")) {

      yyValue = GNode.create("RegisterSpecifier", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 4.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("static")) {

      yyValue = GNode.create("StaticSpecifier", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 5.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__thread")) {

      yyValue = GNode.create("ThreadSpecifier", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 6.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("typedef")) {

      yyResult = pTypedefContext(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyValue = GNode.create("TypedefSpecifier", false);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("storage class specifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.TypeQualifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pTypeQualifier(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("volatile")) {
      final String v$g$1 = "volatile";

      yyValue = GNode.create("VolatileQualifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__volatile")) {
      final String v$g$2 = "__volatile";

      yyValue = GNode.create("VolatileQualifier", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 3.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__volatile__")) {
      final String v$g$3 = "__volatile__";

      yyValue = GNode.create("VolatileQualifier", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 4.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("const")) {
      final String v$g$1 = "const";

      yyValue = GNode.create("ConstantQualifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 5.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__const")) {
      final String v$g$2 = "__const";

      yyValue = GNode.create("ConstantQualifier", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 6.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__const__")) {
      final String v$g$3 = "__const__";

      yyValue = GNode.create("ConstantQualifier", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 7.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("restrict")) {
      final String v$g$1 = "restrict";

      yyValue = GNode.create("RestrictQualifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 8.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__restrict")) {
      final String v$g$2 = "__restrict";

      yyValue = GNode.create("RestrictQualifier", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 9.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__restrict__")) {
      final String v$g$3 = "__restrict__";

      yyValue = GNode.create("RestrictQualifier", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("type qualifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.TypeSpecifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pTypeSpecifier(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Enumeration>.

    yyResult = pEnumerationTypeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Structure>.

    yyResult = pStructureTypeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Union>.

    yyResult = pUnionTypeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Floating>.

    yyResult = pFloatingPointTypeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Integer>.

    yyResult = pIntegerTypeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <JavaTyp>.

    yyResult = pJavaType(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 7.

    yyResult = pCIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String id = yyResult.semanticValue();

      if (yyState.isType(toText(id))) {

        yyValue = GNode.create("TypedefName", id);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 8.

    yyResult = pTypeofKeyword(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        final int yyChoice1 = yyResult.index;

        // Nested alternative 1.

        yyResult = pJeannieC$TypeName(yyChoice1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyValue = GNode.create("TypeofSpecifier", v$g$1);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }

        // Nested alternative 2.

        yyResult = pCommaExpression(yyChoice1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyValue = GNode.create("TypeofSpecifier", v$g$2);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Alternative 9.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("void")) {

      yyValue = GNode.create("VoidTypeSpecifier", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 10.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__builtin_va_list")) {

      yyValue = GNode.create("VarArgListSpecifier", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("type specifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.EnumerationTypeSpecifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pEnumerationTypeSpecifier(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Object     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("enum")) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pAttributeSpecifierList(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$1.
        final Node v$g$1 = cast(yyOpValue1);

        final int yyChoice1 = yyOption1;

        // Nested alternative 1.

        yyOption1  = yyChoice1;
        yyOpValue1 = null;

        yyResult = pCIdentifier$Identifier(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final String v$el$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$2;
        }
        { // Start scope for v$g$2.
          final String v$g$2 = cast(yyOpValue1);

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("{")) {

            yyResult = pEnumeratorList(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$3 = yyResult.semanticValue();

              yyOption1  = yyResult.index;

              yyBase   = yyOption1;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(",")) {

                yyOption1  = yyResult.index;
              } else {
                yyError = yyError.select("',' expected", yyBase);
              }

              yyBase   = yyOption1;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue("}")) {

                yyOption1  = yyResult.index;
                yyOpValue1 = null;

                yyResult = pAttributeSpecifierList(yyOption1);
                yyError  = yyResult.select(yyError, yyOption1);
                if (yyResult.hasValue()) {
                  final Node v$el$3 = yyResult.semanticValue();

                  yyOption1  = yyResult.index;
                  yyOpValue1 = v$el$3;
                }
                { // Start scope for v$g$4.
                  final Node v$g$4 = cast(yyOpValue1);

                  yyValue = GNode.create("EnumerationTypeDefinition", v$g$1, v$g$2, v$g$3, v$g$4);
                  yyValue.setLocation(location(yyStart));

                  return new SemanticValue(yyValue, yyOption1, yyError);
                } // End scope for v$g$4.
              } else {
                yyError = yyError.select("'}' expected", yyBase);
              }
            }
          } else {
            yyError = yyError.select("'{' expected", yyBase);
          }
        } // End scope for v$g$2.

        // Nested alternative 2.

        yyResult = pCIdentifier$Identifier(yyChoice1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$2 = yyResult.semanticValue();

          yyValue = GNode.create("EnumerationTypeReference", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      } // End scope for v$g$1.
    }

    // Done.
    yyError = yyError.select("enumeration type specifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.EnumeratorList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pEnumeratorList(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <List>.

    yyResult = pEnumerator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyBase   = yyRepetition1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(",")) {

          yyResult = pEnumerator(yyResult.index);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
        } else {
          yyError = yyError.select("',' expected", yyBase);
        }
        break;
      }
      { // Start scope for v$g$2.
        final Pair<Node> v$g$2 = yyRepValue1.reverse();

        yyValue = GNode.createFromPair("EnumeratorList", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Enumerator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pEnumerator(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Enumerator>.

    yyResult = pCIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String id = yyResult.semanticValue();

      yyState.bind(toText(id), false);

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyBase   = yyOption1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("=")) {

        yyResult = pJeannieC$ConditionalExpression(yyResult.index);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$1 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        }
      } else {
        yyError = yyError.select("'=' expected", yyBase);
      }
      { // Start scope for v$g$1.
        final Node v$g$1 = yyOpValue1;

        yyValue = GNode.create("Enumerator", id, v$g$1);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyOption1, yyError);
      } // End scope for v$g$1.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.StructureTypeSpecifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pStructureTypeSpecifier(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Object     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("struct")) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pAttributeSpecifierList(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$1.
        final Node v$g$1 = cast(yyOpValue1);

        final int yyChoice1 = yyOption1;

        // Nested alternative 1.

        yyOption1  = yyChoice1;
        yyOpValue1 = null;

        yyResult = pCIdentifier$Identifier(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final String v$el$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$2;
        }
        { // Start scope for v$g$2.
          final String v$g$2 = cast(yyOpValue1);

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("{")) {

            yyResult = pPushScope(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {

              yyResult = pEnterStructure(yyResult.index);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {

                yyResult = pStructureDeclarationList(yyResult.index);
                yyError  = yyResult.select(yyError);
                if (yyResult.hasValue()) {
                  final Node v$g$3 = yyResult.semanticValue();

                  yyBase   = yyResult.index;
                  yyResult = pSymbol(yyBase);
                  if (yyResult.hasValue("}")) {

                    yyResult = pExitStructure(yyResult.index);
                    yyError  = yyResult.select(yyError);
                    if (yyResult.hasValue()) {

                      yyResult = pPopScope(yyResult.index);
                      yyError  = yyResult.select(yyError);
                      if (yyResult.hasValue()) {

                        yyOption1  = yyResult.index;
                        yyOpValue1 = null;

                        yyResult = pAttributeSpecifierList(yyOption1);
                        yyError  = yyResult.select(yyError, yyOption1);
                        if (yyResult.hasValue()) {
                          final Node v$el$3 = yyResult.semanticValue();

                          yyOption1  = yyResult.index;
                          yyOpValue1 = v$el$3;
                        }
                        { // Start scope for v$g$4.
                          final Node v$g$4 = cast(yyOpValue1);

                          yyValue = GNode.create("StructureTypeDefinition", v$g$1, v$g$2, v$g$3, v$g$4);
                          yyValue.setLocation(location(yyStart));

                          return new SemanticValue(yyValue, yyOption1, yyError);
                        } // End scope for v$g$4.
                      }
                    }
                  } else {
                    yyError = yyError.select("'}' expected", yyBase);
                  }
                }
              }
            }
          } else {
            yyError = yyError.select("'{' expected", yyBase);
          }
        } // End scope for v$g$2.

        // Nested alternative 2.

        yyResult = pCIdentifier$Identifier(yyChoice1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$2 = yyResult.semanticValue();

          yyValue = GNode.create("StructureTypeReference", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      } // End scope for v$g$1.
    }

    // Done.
    yyError = yyError.select("structure type specifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.UnionTypeSpecifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pUnionTypeSpecifier(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Object     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("union")) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pAttributeSpecifierList(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$1.
        final Node v$g$1 = cast(yyOpValue1);

        final int yyChoice1 = yyOption1;

        // Nested alternative 1.

        yyOption1  = yyChoice1;
        yyOpValue1 = null;

        yyResult = pCIdentifier$Identifier(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final String v$el$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$2;
        }
        { // Start scope for v$g$2.
          final String v$g$2 = cast(yyOpValue1);

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("{")) {

            yyResult = pPushScope(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {

              yyResult = pEnterStructure(yyResult.index);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {

                yyResult = pStructureDeclarationList(yyResult.index);
                yyError  = yyResult.select(yyError);
                if (yyResult.hasValue()) {
                  final Node v$g$3 = yyResult.semanticValue();

                  yyBase   = yyResult.index;
                  yyResult = pSymbol(yyBase);
                  if (yyResult.hasValue("}")) {

                    yyResult = pExitStructure(yyResult.index);
                    yyError  = yyResult.select(yyError);
                    if (yyResult.hasValue()) {

                      yyResult = pPopScope(yyResult.index);
                      yyError  = yyResult.select(yyError);
                      if (yyResult.hasValue()) {

                        yyOption1  = yyResult.index;
                        yyOpValue1 = null;

                        yyResult = pAttributeSpecifierList(yyOption1);
                        yyError  = yyResult.select(yyError, yyOption1);
                        if (yyResult.hasValue()) {
                          final Node v$el$3 = yyResult.semanticValue();

                          yyOption1  = yyResult.index;
                          yyOpValue1 = v$el$3;
                        }
                        { // Start scope for v$g$4.
                          final Node v$g$4 = cast(yyOpValue1);

                          yyValue = GNode.create("UnionTypeDefinition", v$g$1, v$g$2, v$g$3, v$g$4);
                          yyValue.setLocation(location(yyStart));

                          return new SemanticValue(yyValue, yyOption1, yyError);
                        } // End scope for v$g$4.
                      }
                    }
                  } else {
                    yyError = yyError.select("'}' expected", yyBase);
                  }
                }
              }
            }
          } else {
            yyError = yyError.select("'{' expected", yyBase);
          }
        } // End scope for v$g$2.

        // Nested alternative 2.

        yyResult = pCIdentifier$Identifier(yyChoice1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$2 = yyResult.semanticValue();

          yyValue = GNode.create("UnionTypeReference", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      } // End scope for v$g$1.
    }

    // Done.
    yyError = yyError.select("union type specifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.StructureDeclarationList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pStructureDeclarationList(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Regular>.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pAnnotatedStructureDeclaration(yyRepetition1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepeated1   = true;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }

    if (yyRepeated1) {
      final Pair<Node> v$g$1 = yyRepValue1.reverse();

      yyResult = pAnnotations(yyRepetition1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("StructureDeclarationList", v$g$1.size() + 1).
          addAll(v$g$1).add(v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <Empty>.

    if (GCC) {

      yyResult = pAnnotations(yyStart);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = GNode.create("StructureDeclarationList", v$g$3);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("structure declaration list expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal 
   * xtc.lang.jeannie.JeannieC.AnnotatedStructureDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAnnotatedStructureDeclaration(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Start a state modification.
    yyState.start();

    // Alternative 1.

    yyState.mark();

    yyResult = pStructureDeclaration(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node d = yyResult.semanticValue();

      yyValue = yyState.annotate(d);

      // Commit the state modification.
      yyState.commit();

      setLocation(yyValue, yyStart);
      return yyResult.createValue(yyValue, yyError);
    }

    // Abort the state modification.
    yyState.abort();

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.StructureDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pStructureDeclaration(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    boolean    yyRepeated1;
    int        yyOption1;
    String     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Declaration>.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyBase   = yyOption1;
    yyResult = pKeyword(yyBase);
    if (yyResult.hasValue("__extension__")) {
      final String v$el$1 = "__extension__";

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    } else {
      yyError = yyError.select("'__extension__' expected", yyBase);
    }
    { // Start scope for v$g$1.
      final String v$g$1 = yyOpValue1;

      yyResult = pSpecifierQualifierList(yyOption1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyResult = pOptionalStructureDeclaratorList(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$3 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(";")) {

            yyOption1  = yyResult.index;

            if (GCC) {

              yyRepetition1 = yyOption1;
              yyRepeated1   = false;
              while (true) {

                yyBase   = yyRepetition1;
                yyResult = pSymbol(yyBase);
                if (yyResult.hasValue(";")) {

                  yyRepetition1 = yyResult.index;
                  yyRepeated1   = true;
                  continue;
                } else {
                  yyError = yyError.select("';' expected", yyBase);
                }
                break;
              }

              if (yyRepeated1) {

                yyOption1  = yyRepetition1;
              }
            }

            yyValue = GNode.create("StructureDeclaration", v$g$1, v$g$2, v$g$3);
            yyValue.setLocation(location(yyStart));

            return new SemanticValue(yyValue, yyOption1, yyError);
          } else {
            yyError = yyError.select("';' expected", yyBase);
          }
        }
      }
    } // End scope for v$g$1.

    // Done.
    yyError = yyError.select("structure declaration expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.SpecifierQualifierList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSpecifierQualifierList(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fSpecifierQualifierList) 
      yyColumn.chunk3.fSpecifierQualifierList = pSpecifierQualifierList$1(yyStart);
    return yyColumn.chunk3.fSpecifierQualifierList;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.SpecifierQualifierList. */
  private Result pSpecifierQualifierList$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSpecifierQualifierPlus(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Pair<Node> v$g$1 = yyResult.semanticValue();

      yyValue = GNode.createFromPair("SpecifierQualifierList", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.SpecifierQualifierPlus.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSpecifierQualifierPlus(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Pair<Node> yyRepValue1;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pSpecifierQualifier(yyRepetition1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepeated1   = true;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }

    if (yyRepeated1) {
      yyValue = yyRepValue1.reverse();

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.SpecifierQualifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSpecifierQualifier(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <TypeSpecifier>.

    yyResult = pTypeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyResult = pTypeSpecContext(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <TypeQualifier>.

    yyResult = pTypeQualifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Attribute>.

    yyResult = pAttributeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal 
   * xtc.lang.jeannie.JeannieC.OptionalStructureDeclaratorList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pOptionalStructureDeclaratorList(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <List>.

    yyResult = pStructureDeclaratorList(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Null>.

    if (GCC) {
      { // Start scope for yyValue.
        yyValue = null;

        return new SemanticValue(yyValue, yyStart, yyError);
      } // End scope for yyValue.
    }

    // Done.
    yyError = yyError.select("optional structure declarator list expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.StructureDeclaratorList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pStructureDeclaratorList(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <List>.

    yyResult = pStructureDeclarator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyBase   = yyRepetition1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(",")) {

          yyResult = pStructureDeclarator(yyResult.index);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
        } else {
          yyError = yyError.select("',' expected", yyBase);
        }
        break;
      }
      { // Start scope for v$g$2.
        final Pair<Node> v$g$2 = yyRepValue1.reverse();

        yyValue = GNode.createFromPair("StructureDeclaratorList", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.StructureDeclarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pStructureDeclarator(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pAttributeSpecifierList(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {
      final Node v$el$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    }
    { // Start scope for v$g$1.
      final Node v$g$1 = yyOpValue1;

      yyOpValue1 = null;

      yyResult = pJeannieC$Declarator(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$2 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$2;
      }
      { // Start scope for v$g$2.
        final Node v$g$2 = yyOpValue1;

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(":")) {

          yyResult = pJeannieC$ConditionalExpression(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$3 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = null;

            yyResult = pAttributeSpecifierList(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$3 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$3;
            }
            { // Start scope for v$g$4.
              final Node v$g$4 = yyOpValue1;

              yyValue = GNode.create("BitField", v$g$1, v$g$2, v$g$3, v$g$4);
              yyValue.setLocation(location(yyStart));

              return new SemanticValue(yyValue, yyOption1, yyError);
            } // End scope for v$g$4.
          }
        } else {
          yyError = yyError.select("':' expected", yyBase);
        }
      } // End scope for v$g$2.
    } // End scope for v$g$1.

    // Alternative <Simple>.

    yyResult = pAttributedDeclarator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AttributedDeclarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAttributedDeclarator(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fAttributedDeclarator) 
      yyColumn.chunk3.fAttributedDeclarator = pAttributedDeclarator$1(yyStart);
    return yyColumn.chunk3.fAttributedDeclarator;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.AttributedDeclarator. */
  private Result pAttributedDeclarator$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pAttributeSpecifierList(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {
      final Node v$el$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    }
    { // Start scope for v$g$1.
      final Node v$g$1 = yyOpValue1;

      yyResult = pJeannieC$Declarator(yyOption1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pAttributeSpecifierList(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$2;
        }
        { // Start scope for v$g$3.
          final Node v$g$3 = yyOpValue1;

          yyValue = GNode.create("AttributedDeclarator", v$g$1, v$g$2, v$g$3);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyOption1, yyError);
        } // End scope for v$g$3.
      }
    } // End scope for v$g$1.

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Declarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$Declarator(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fJeannieC$Declarator) 
      yyColumn.chunk3.fJeannieC$Declarator = pJeannieC$Declarator$1(yyStart);
    return yyColumn.chunk3.fJeannieC$Declarator;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.Declarator. */
  private Result pJeannieC$Declarator$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Pointer>.

    yyResult = pPointerDeclarator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Direct>.

    yyResult = pDirectDeclarator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.PointerDeclarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pPointerDeclarator(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pPointer(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pDirectDeclarator(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("PointerDeclarator", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Pointer.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pPointer(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fPointer) 
      yyColumn.chunk3.fPointer = pPointer$1(yyStart);
    return yyColumn.chunk3.fPointer;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.Pointer. */
  private Result pPointer$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("*")) {

      yyResult = pTypeQualifierList(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pPointer(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$1 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        }
        { // Start scope for v$g$2.
          final Node v$g$2 = yyOpValue1;

          yyValue = GNode.create("Pointer", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyOption1, yyError);
        } // End scope for v$g$2.
      }
    }

    // Done.
    yyError = yyError.select("pointer expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.TypeQualifierList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pTypeQualifierList(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pTypeQualifierList$$Choice1(yyRepetition1);
      yyError  = yyResult.select(yyError, yyRepetition1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }
    { // Start scope for v$g$1.
      final Pair<Node> v$g$1 = yyRepValue1.reverse();

      yyValue = GNode.createFromPair("TypeQualifierList", v$g$1);
      yyValue.setLocation(location(yyStart));

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    } // End scope for v$g$1.
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.TypeQualifierList$$Choice1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pTypeQualifierList$$Choice1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pTypeQualifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pAttributeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.DirectDeclarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDirectDeclarator(final int yyStart) throws IOException {
    Result             yyResult;
    int                yyBase;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <FullBase>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      yyResult = pAttributedDeclarator(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$7 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          yyRepetition1 = yyResult.index;
          yyRepValue1   = Pair.empty();
          while (true) {

            yyResult = pDirectDeclarator$$Tail1(yyRepetition1);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Action<Node> v$8 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Action<Node>>(v$8, yyRepValue1);
              continue;
            }
            break;
          }
          { // Start scope for v$9.
            final Pair<Action<Node>> v$9 = yyRepValue1.reverse();

            yyValue = apply(v$9, v$g$7, yyStart);

            return new SemanticValue(yyValue, yyRepetition1, yyError);
          } // End scope for v$9.
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      }
    }

    // Alternative <SimpleBase>.

    yyResult = pSimpleDeclarator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$10 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pDirectDeclarator$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$11 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$11, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$12.
        final Pair<Action<Node>> v$12 = yyRepValue1.reverse();

        yyValue = apply(v$12, v$g$10, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$12.
    }

    // Done.
    yyError = yyError.select("direct declarator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.DirectDeclarator$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDirectDeclarator$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    int          yyBase;
    int          yyOption1;
    Node         yyOpValue1;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      yyResult = pPushScope(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        final int yyChoice1 = yyResult.index;

        // Nested alternative 1.

        yyResult = pParameterTypeList(yyChoice1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyResult = pParameterContext(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {

              yyResult = pJavaThrows(yyResult.index);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {
                final Node javaThrows = yyResult.semanticValue();

                yyValue = new Action<Node>() {
                  public Node run(Node v$1) {
                    return GNode.create("FunctionDeclarator", v$1, v$g$2, javaThrows);
                  }};

                return yyResult.createValue(yyValue, yyError);
              }
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }

        // Nested alternative 2.

        yyOption1  = yyChoice1;
        yyOpValue1 = null;

        yyResult = pIdentifierList(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$1 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        }
        { // Start scope for v$g$3.
          final Node v$g$3 = yyOpValue1;

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyResult = pParameterContext(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {

              yyResult = pJavaThrows(yyResult.index);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {
                final Node javaThrows = yyResult.semanticValue();

                yyValue = new Action<Node>() {
                  public Node run(Node v$1) {
                    return GNode.create("FunctionDeclarator", v$1, v$g$3, javaThrows);
                  }};

                return yyResult.createValue(yyValue, yyError);
              }
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        } // End scope for v$g$3.
      }
    }

    // Alternative 2.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("[")) {

      yyResult = pArrayQualifierList(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$4 = yyResult.semanticValue();

        final int yyChoice1 = yyResult.index;

        // Nested alternative 1.

        yyOption1  = yyChoice1;
        yyOpValue1 = null;

        yyResult = pAssignmentExpression(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$2;
        }
        { // Start scope for v$g$5.
          final Node v$g$5 = yyOpValue1;

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("]")) {

            yyValue = new Action<Node>() {
              public Node run(Node v$1) {
                return GNode.create("ArrayDeclarator", v$1, v$g$4, v$g$5);
              }};

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("']' expected", yyBase);
          }
        } // End scope for v$g$5.

        // Nested alternative 2.

        yyResult = pVariableLength(yyChoice1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$6 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("]")) {

            yyValue = new Action<Node>() {
              public Node run(Node v$1) {
                return GNode.create("ArrayDeclarator", v$1, v$g$4, v$g$6);
              }};

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("']' expected", yyBase);
          }
        }
      }
    }

    // Done.
    yyError = yyError.select("direct declarator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.VariableLength.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pVariableLength(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk3) yyColumn.chunk3 = new Chunk3();
    if (null == yyColumn.chunk3.fVariableLength) 
      yyColumn.chunk3.fVariableLength = pVariableLength$1(yyStart);
    return yyColumn.chunk3.fVariableLength;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.VariableLength. */
  private Result pVariableLength$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("*")) {

      yyValue = GNode.create("VariableLength", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("variable length expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.SimpleDeclarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSimpleDeclarator(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Declarator>.

    yyResult = pCIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String id = yyResult.semanticValue();

      yyState.bind(toText(id));

      yyValue = GNode.create("SimpleDeclarator", id);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ParameterTypeList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pParameterTypeList(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fParameterTypeList) 
      yyColumn.chunk4.fParameterTypeList = pParameterTypeList$1(yyStart);
    return yyColumn.chunk4.fParameterTypeList;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.ParameterTypeList. */
  private Result pParameterTypeList$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    String     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pParameterList(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyBase   = yyOption1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(",")) {

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("...")) {
          final String v$el$1 = "...";

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        } else {
          yyError = yyError.select("'...' expected", yyBase);
        }
      } else {
        yyError = yyError.select("',' expected", yyBase);
      }
      { // Start scope for v$g$2.
        final String v$g$2 = yyOpValue1;

        yyValue = GNode.create("ParameterTypeList", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyOption1, yyError);
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ParameterList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pParameterList(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pParameterDeclaration(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyBase   = yyRepetition1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(",")) {

          yyResult = pParameterDeclaration(yyResult.index);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
        } else {
          yyError = yyError.select("',' expected", yyBase);
        }
        break;
      }
      { // Start scope for v$g$2.
        final Pair<Node> v$g$2 = yyRepValue1.reverse();

        yyValue = GNode.createFromPair("ParameterList", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ParameterDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pParameterDeclaration(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Start a state modification.
    yyState.start();

    // Alternative 1.

    yyResult = pDeclarationSpecifiers(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyResult = pJeannieC$Declarator(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pAttributeSpecifierList(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$1 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        }
        { // Start scope for v$g$3.
          final Node v$g$3 = yyOpValue1;

          yyValue = GNode.create("ParameterDeclaration", v$g$1, v$g$2, v$g$3);
          yyValue.setLocation(location(yyStart));

          // Commit the state modification.
          yyState.commit();

          return new SemanticValue(yyValue, yyOption1, yyError);
        } // End scope for v$g$3.
      }

      // Nested alternative 2.

      yyOption1  = yyChoice1;
      yyOpValue1 = null;

      yyResult = pAbstractDeclarator(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$2 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$2;
      }
      { // Start scope for v$g$4.
        final Node v$g$4 = yyOpValue1;

        yyOpValue1 = null;

        yyResult = pAttributeSpecifierList(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$3 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$3;
        }
        { // Start scope for v$g$5.
          final Node v$g$5 = yyOpValue1;

          yyValue = GNode.create("ParameterDeclaration", v$g$1, v$g$4, v$g$5);
          yyValue.setLocation(location(yyStart));

          // Commit the state modification.
          yyState.commit();

          return new SemanticValue(yyValue, yyOption1, yyError);
        } // End scope for v$g$5.
      } // End scope for v$g$4.
    }

    // Abort the state modification.
    yyState.abort();

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AttributedAbstractDeclarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAttributedAbstractDeclarator(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pAttributeSpecifierList(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {
      final Node v$el$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    }
    { // Start scope for v$g$1.
      final Node v$g$1 = yyOpValue1;

      yyResult = pAbstractDeclarator(yyOption1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("AttributedAbstractDeclarator", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    } // End scope for v$g$1.

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AbstractDeclarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAbstractDeclarator(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fAbstractDeclarator) 
      yyColumn.chunk4.fAbstractDeclarator = pAbstractDeclarator$1(yyStart);
    return yyColumn.chunk4.fAbstractDeclarator;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.AbstractDeclarator. */
  private Result pAbstractDeclarator$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pPointer(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {
      final Node v$el$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    }
    { // Start scope for p.
      final Node p = yyOpValue1;

      yyResult = pDirectAbstractDeclarator(yyOption1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node d = yyResult.semanticValue();

        if ((null != p) || (null != d)) {

          yyValue = GNode.create("AbstractDeclarator", p, d);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      }
    } // End scope for p.

    // Done.
    yyError = yyError.select("abstract declarator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.DirectAbstractDeclarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDirectAbstractDeclarator(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyBase;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Parenthesized>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      yyResult = pAttributedAbstractDeclarator(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$7 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          yyRepetition1 = yyResult.index;
          yyRepValue1   = Pair.empty();
          while (true) {

            yyResult = pDirectAbstractDeclarator$$Tail1(yyRepetition1);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Action<Node> v$8 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Action<Node>>(v$8, yyRepValue1);
              continue;
            }
            break;
          }
          { // Start scope for v$9.
            final Pair<Action<Node>> v$9 = yyRepValue1.reverse();

            yyValue = apply(v$9, v$g$7, yyStart);

            return new SemanticValue(yyValue, yyRepetition1, yyError);
          } // End scope for v$9.
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      }
    }

    // Alternative <Empty>.

    yyRepetition1 = yyStart;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pDirectAbstractDeclarator$$Tail1(yyRepetition1);
      yyError  = yyResult.select(yyError, yyRepetition1);
      if (yyResult.hasValue()) {
        final Action<Node> v$11 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = new Pair<Action<Node>>(v$11, yyRepValue1);
        continue;
      }
      break;
    }
    { // Start scope for v$12.
      final Pair<Action<Node>> v$12 = yyRepValue1.reverse();

      yyValue = apply(v$12, null, yyStart);

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    } // End scope for v$12.
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.DirectAbstractDeclarator$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDirectAbstractDeclarator$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    int          yyBase;
    int          yyOption1;
    Node         yyOpValue1;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("[")) {
      final String v$g$2 = "[";

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyOption1  = yyChoice1;
      yyOpValue1 = null;

      yyResult = pAssignmentExpression(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$3.
        final Node v$g$3 = yyOpValue1;

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("]")) {

          yyValue = new Action<Node>() {
            public Node run(Node v$1) {
              return GNode.create("DirectAbstractDeclarator", v$1, v$g$2, v$g$3);
            }};

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("']' expected", yyBase);
        }
      } // End scope for v$g$3.

      // Nested alternative 2.

      yyResult = pVariableLength(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$4 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("]")) {

          yyValue = new Action<Node>() {
            public Node run(Node v$1) {
              return GNode.create("DirectAbstractDeclarator", v$1, v$g$2, v$g$4);
            }};

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("']' expected", yyBase);
        }
      }
    }

    // Alternative 2.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {
      final String v$g$5 = "(";

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pParameterTypeList(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$2 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$2;
      }
      { // Start scope for v$g$6.
        final Node v$g$6 = yyOpValue1;

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          yyValue = new Action<Node>() {
            public Node run(Node v$1) {
              return GNode.create("DirectAbstractDeclarator", v$1, v$g$5, v$g$6);
            }};

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      } // End scope for v$g$6.
    }

    // Done.
    yyError = yyError.select("direct abstract declarator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.IdentifierList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pIdentifierList(final int yyStart) throws IOException {
    Result       yyResult;
    int          yyBase;
    int          yyRepetition1;
    Pair<String> yyRepValue1;
    Node         yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String id1 = yyResult.semanticValue();

      yyState.bind(toText(id1));

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyBase   = yyRepetition1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(",")) {

          yyResult = pCIdentifier$Identifier(yyResult.index);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final String id2 = yyResult.semanticValue();

            yyState.bind(toText(id2));

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<String>(id2, yyRepValue1);
            continue;
          }
        } else {
          yyError = yyError.select("',' expected", yyBase);
        }
        break;
      }
      { // Start scope for v$g$1.
        final Pair<String> v$g$1 = yyRepValue1.reverse();

        yyValue = GNode.createFromPair("IdentifierList", id1, v$g$1);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$g$1.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ArrayQualifierList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pArrayQualifierList(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pArrayQualifierList$$Choice1(yyRepetition1);
      yyError  = yyResult.select(yyError, yyRepetition1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }
    { // Start scope for v$g$1.
      final Pair<Node> v$g$1 = yyRepValue1.reverse();

      yyValue = GNode.createFromPair("ArrayQualifierList", v$g$1);
      yyValue.setLocation(location(yyStart));

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    } // End scope for v$g$1.
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.ArrayQualifierList$$Choice1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pArrayQualifierList$$Choice1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("static")) {

      yyValue = GNode.create("StaticSpecifier", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("volatile")) {
      final String v$g$1 = "volatile";

      yyValue = GNode.create("VolatileQualifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 3.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__volatile")) {
      final String v$g$2 = "__volatile";

      yyValue = GNode.create("VolatileQualifier", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 4.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__volatile__")) {
      final String v$g$3 = "__volatile__";

      yyValue = GNode.create("VolatileQualifier", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 5.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("restrict")) {
      final String v$g$1 = "restrict";

      yyValue = GNode.create("RestrictQualifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 6.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__restrict")) {
      final String v$g$2 = "__restrict";

      yyValue = GNode.create("RestrictQualifier", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 7.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__restrict__")) {
      final String v$g$3 = "__restrict__";

      yyValue = GNode.create("RestrictQualifier", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 8.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("const")) {
      final String v$g$1 = "const";

      yyValue = GNode.create("ConstantQualifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 9.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__const")) {
      final String v$g$2 = "__const";

      yyValue = GNode.create("ConstantQualifier", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 10.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__const__")) {
      final String v$g$3 = "__const__";

      yyValue = GNode.create("ConstantQualifier", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 11.

    yyResult = pAttributeSpecifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("array qualifier list expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.FloatingPointTypeSpecifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFloatingPointTypeSpecifier(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("_Complex")) {
      final String v$g$1 = "_Complex";

      yyValue = GNode.create("Complex", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__complex__")) {
      final String v$g$2 = "__complex__";

      yyValue = GNode.create("Complex", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 3.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("double")) {

      yyValue = GNode.create("Double", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 4.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("float")) {

      yyValue = GNode.create("Float", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("floating point type specifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.IntegerTypeSpecifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pIntegerTypeSpecifier(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("long")) {

      yyValue = GNode.create("Long", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("int")) {

      yyValue = GNode.create("Int", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 3.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("short")) {

      yyValue = GNode.create("Short", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 4.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("char")) {

      yyValue = GNode.create("Char", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 5.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("_Bool")) {

      yyValue = GNode.create("Bool", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 6.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("unsigned")) {

      yyValue = GNode.create("Unsigned", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 7.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("signed")) {
      final String v$g$1 = "signed";

      yyValue = GNode.create("Signed", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 8.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__signed")) {
      final String v$g$2 = "__signed";

      yyValue = GNode.create("Signed", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 9.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__signed__")) {
      final String v$g$3 = "__signed__";

      yyValue = GNode.create("Signed", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("integer type specifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.TypeofKeyword.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pTypeofKeyword(final int yyStart) throws IOException {
    Result     yyResult;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("typeof")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__typeof")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 3.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__typeof__")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("typeof keyword expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Initializer.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pInitializer(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Complex>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("{")) {

      yyResult = pInitializerList(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        yyValue = yyResult.semanticValue();

        yyOption1  = yyResult.index;

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(",")) {

          yyOption1  = yyResult.index;
        } else {
          yyError = yyError.select("',' expected", yyBase);
        }

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("}")) {

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("'}' expected", yyBase);
        }
      }
    }

    // Alternative <Simple>.

    yyResult = pAssignmentExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("initializer expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.InitializerList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pInitializerList(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pInitializerListEntry(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyBase   = yyRepetition1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(",")) {

          yyResult = pInitializerListEntry(yyResult.index);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
        } else {
          yyError = yyError.select("',' expected", yyBase);
        }
        break;
      }
      { // Start scope for v$g$2.
        final Pair<Node> v$g$2 = yyRepValue1.reverse();

        yyValue = GNode.createFromPair("InitializerList", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$g$2.
    }

    // Alternative 2.

    if (GCC) {

      yyValue = GNode.create("InitializerList", false);
      yyValue.setLocation(location(yyStart));

      return new SemanticValue(yyValue, yyStart, yyError);
    }

    // Done.
    yyError = yyError.select("initializer list expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.InitializerListEntry.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pInitializerListEntry(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pDesignation(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {
      final Node v$el$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    }
    { // Start scope for v$g$1.
      final Node v$g$1 = yyOpValue1;

      yyResult = pInitializer(yyOption1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("InitializerListEntry", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    } // End scope for v$g$1.

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Designation.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDesignation(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Standard>.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pDesignator(yyRepetition1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepeated1   = true;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }

    if (yyRepeated1) {
      final Pair<Node> v$g$1 = yyRepValue1.reverse();

      yyBase   = yyRepetition1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("=")) {

        yyValue = GNode.createFromPair("Designation", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("'=' expected", yyBase);
      }
    }

    // Alternative 2.

    if (GCC) {

      final int yyChoice1 = yyStart;

      // Nested alternative 1.

      yyResult = pObsoleteArrayDesignation(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        yyValue = yyResult.semanticValue();

        return yyResult.createValue(yyValue, yyError);
      }

      // Nested alternative 2.

      yyResult = pObsoleteFieldDesignation(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        yyValue = yyResult.semanticValue();

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("designation expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Designator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDesignator(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Array>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("[")) {
      final String v$g$1 = "[";

      yyResult = pJeannieC$ConditionalExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("]")) {

          yyValue = GNode.create("Designator", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("']' expected", yyBase);
        }
      }
    }

    // Alternative <ArrayRange>.

    if (GCC) {

      yyResult = pSymbol(yyStart);
      if (yyResult.hasValue("[")) {
        final String v$g$3 = "[";

        yyResult = pJeannieC$ConditionalExpression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$4 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("...")) {

            yyResult = pJeannieC$ConditionalExpression(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$5 = yyResult.semanticValue();

              yyBase   = yyResult.index;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue("]")) {

                yyValue = GNode.create("Designator", v$g$3, v$g$4, v$g$5);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              } else {
                yyError = yyError.select("']' expected", yyBase);
              }
            }
          } else {
            yyError = yyError.select("'...' expected", yyBase);
          }
        }
      }
    }

    // Alternative <Structure>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(".")) {
      final String v$g$6 = ".";

      yyResult = pJeannieC$PrimaryIdentifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$7 = yyResult.semanticValue();

        yyValue = GNode.create("Designator", v$g$6, v$g$7);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("designator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ObsoleteArrayDesignation.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pObsoleteArrayDesignation(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("[")) {
      final String v$g$1 = "[";

      yyResult = pJeannieC$ConditionalExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        final int yyChoice1 = yyResult.index;

        // Nested alternative 1.

        yyBase   = yyChoice1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("]")) {

          yyValue = GNode.create("ObsoleteArrayDesignation", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("']' expected", yyBase);
        }

        // Nested alternative 2.

        yyBase   = yyChoice1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("...")) {

          yyResult = pJeannieC$ConditionalExpression(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$3 = yyResult.semanticValue();

            yyBase   = yyResult.index;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue("]")) {

              yyValue = GNode.create("ObsoleteArrayDesignation", v$g$1, v$g$2, v$g$3);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            } else {
              yyError = yyError.select("']' expected", yyBase);
            }
          }
        } else {
          yyError = yyError.select("'...' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("obsolete array designation expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ObsoleteFieldDesignation.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pObsoleteFieldDesignation(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(":")) {

        yyValue = GNode.create("ObsoleteFieldDesignation", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("':' expected", yyBase);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.TypeName.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$TypeName(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fJeannieC$TypeName) 
      yyColumn.chunk4.fJeannieC$TypeName = pJeannieC$TypeName$1(yyStart);
    return yyColumn.chunk4.fJeannieC$TypeName;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.TypeName. */
  private Result pJeannieC$TypeName$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Start a state modification.
    yyState.start();

    // Alternative 1.

    yyResult = pSpecifierQualifierList(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pAbstractDeclarator(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$2.
        final Node v$g$2 = yyOpValue1;

        yyValue = GNode.create("TypeName", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        // Commit the state modification.
        yyState.commit();

        return new SemanticValue(yyValue, yyOption1, yyError);
      } // End scope for v$g$2.
    }

    // Abort the state modification.
    yyState.abort();

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AttributeSpecifierList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAttributeSpecifierList(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fAttributeSpecifierList) 
      yyColumn.chunk4.fAttributeSpecifierList = pAttributeSpecifierList$1(yyStart);
    return yyColumn.chunk4.fAttributeSpecifierList;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.AttributeSpecifierList. */
  private Result pAttributeSpecifierList$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pAttributeSpecifierPlus(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Pair<Node> v$g$1 = yyResult.semanticValue();

      yyValue = GNode.createFromPair("AttributeSpecifierList", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AttributeSpecifierPlus.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAttributeSpecifierPlus(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Pair<Node> yyRepValue1;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pAttributeSpecifier(yyRepetition1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepeated1   = true;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }

    if (yyRepeated1) {
      yyValue = yyRepValue1.reverse();

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AttributeSpecifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAttributeSpecifier(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fAttributeSpecifier) 
      yyColumn.chunk4.fAttributeSpecifier = pAttributeSpecifier$1(yyStart);
    return yyColumn.chunk4.fAttributeSpecifier;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.AttributeSpecifier. */
  private Result pAttributeSpecifier$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pAttributeKeyword(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("(")) {

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pAttributeList(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$1.
            final Node v$g$1 = yyOpValue1;

            yyBase   = yyOption1;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue(")")) {

              yyBase   = yyResult.index;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(")")) {

                yyValue = GNode.create("AttributeSpecifier", v$g$1);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              } else {
                yyError = yyError.select("')' expected", yyBase);
              }
            } else {
              yyError = yyError.select("')' expected", yyBase);
            }
          } // End scope for v$g$1.
        } else {
          yyError = yyError.select("'(' expected", yyBase);
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AttributeKeyword.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAttributeKeyword(final int yyStart) throws IOException {
    Result     yyResult;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__attribute")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__attribute__")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("attribute keyword expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AttributeList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAttributeList(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pAttributeListEntry(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyBase   = yyRepetition1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(",")) {

          yyResult = pAttributeListEntry(yyResult.index);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
        } else {
          yyError = yyError.select("',' expected", yyBase);
        }
        break;
      }
      { // Start scope for v$g$2.
        final Pair<Node> v$g$2 = yyRepValue1.reverse();

        yyValue = GNode.createFromPair("AttributeList", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AttributeListEntry.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAttributeListEntry(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    int        yyOption2;
    Node       yyOpValue2;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCIdentifier$Word(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyBase   = yyOption1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyOption2  = yyResult.index;
        yyOpValue2 = null;

        yyResult = pJeannieC$ExpressionList(yyOption2);
        yyError  = yyResult.select(yyError, yyOption2);
        if (yyResult.hasValue()) {
          final Node v$el$2 = yyResult.semanticValue();

          yyOption2  = yyResult.index;
          yyOpValue2 = v$el$2;
        }
        { // Start scope for v$el$1.
          final Node v$el$1 = yyOpValue2;

          yyBase   = yyOption2;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        } // End scope for v$el$1.
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
      { // Start scope for v$g$2.
        final Node v$g$2 = yyOpValue1;

        yyValue = GNode.create("AttributeListEntry", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyOption1, yyError);
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Statement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$Statement(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fJeannieC$Statement) 
      yyColumn.chunk4.fJeannieC$Statement = pJeannieC$Statement$1(yyStart);
    return yyColumn.chunk4.fJeannieC$Statement;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.Statement. */
  private Result pJeannieC$Statement$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCommaExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(";")) {

        yyValue = GNode.create("ExpressionStatement", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("';' expected", yyBase);
      }
    }

    // Alternative <JavaInCStatement>.

    yyResult = pJavaInCStatement(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Cancel>.

    yyResult = pCancelStatement(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Commit>.

    yyResult = pCommitStatement(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <With>.

    yyResult = pWithStatement(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Compound>.

    yyResult = pCompoundStatement(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 7.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("if")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pCommaExpression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyResult = pJeannieC$Statement(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              final int yyChoice1 = yyResult.index;

              // Nested alternative 1.

              yyBase   = yyChoice1;
              yyResult = pKeyword(yyBase);
              if (yyResult.hasValue("else")) {

                yyResult = pJeannieC$Statement(yyResult.index);
                yyError  = yyResult.select(yyError);
                if (yyResult.hasValue()) {
                  final Node v$g$3 = yyResult.semanticValue();

                  yyValue = GNode.create("IfElseStatement", v$g$1, v$g$2, v$g$3);
                  yyValue.setLocation(location(yyStart));

                  return yyResult.createValue(yyValue, yyError);
                }
              } else {
                yyError = yyError.select("'else' expected", yyBase);
              }

              // Nested alternative 2.

              yyValue = GNode.create("IfStatement", v$g$1, v$g$2);
              yyValue.setLocation(location(yyStart));

              return new SemanticValue(yyValue, yyChoice1, yyError);
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Alternative 8.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("while")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pCommaExpression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyResult = pJeannieC$Statement(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyValue = GNode.create("WhileStatement", v$g$1, v$g$2);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Alternative 9.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("do")) {

      yyResult = pJeannieC$Statement(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pKeyword(yyBase);
        if (yyResult.hasValue("while")) {

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("(")) {

            yyResult = pCommaExpression(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyBase   = yyResult.index;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(")")) {

                yyBase   = yyResult.index;
                yyResult = pSymbol(yyBase);
                if (yyResult.hasValue(";")) {

                  yyValue = GNode.create("DoStatement", v$g$1, v$g$2);
                  yyValue.setLocation(location(yyStart));

                  return yyResult.createValue(yyValue, yyError);
                } else {
                  yyError = yyError.select("';' expected", yyBase);
                }
              } else {
                yyError = yyError.select("')' expected", yyBase);
              }
            }
          } else {
            yyError = yyError.select("'(' expected", yyBase);
          }
        } else {
          yyError = yyError.select("'while' expected", yyBase);
        }
      }
    }

    // Alternative 10.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("for")) {

      yyResult = pPushScope(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("(")) {

          yyResult = pInitialClause(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = null;

            yyResult = pCommaExpression(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$1;
            }
            { // Start scope for v$g$2.
              final Node v$g$2 = yyOpValue1;

              yyBase   = yyOption1;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(";")) {

                yyOption1  = yyResult.index;
                yyOpValue1 = null;

                yyResult = pCommaExpression(yyOption1);
                yyError  = yyResult.select(yyError, yyOption1);
                if (yyResult.hasValue()) {
                  final Node v$el$2 = yyResult.semanticValue();

                  yyOption1  = yyResult.index;
                  yyOpValue1 = v$el$2;
                }
                { // Start scope for v$g$3.
                  final Node v$g$3 = yyOpValue1;

                  yyBase   = yyOption1;
                  yyResult = pSymbol(yyBase);
                  if (yyResult.hasValue(")")) {

                    yyResult = pJeannieC$Statement(yyResult.index);
                    yyError  = yyResult.select(yyError);
                    if (yyResult.hasValue()) {
                      final Node v$g$4 = yyResult.semanticValue();

                      yyResult = pPopScope(yyResult.index);
                      yyError  = yyResult.select(yyError);
                      if (yyResult.hasValue()) {

                        yyValue = GNode.create("ForStatement", v$g$1, v$g$2, v$g$3, v$g$4);
                        yyValue.setLocation(location(yyStart));

                        return yyResult.createValue(yyValue, yyError);
                      }
                    }
                  } else {
                    yyError = yyError.select("')' expected", yyBase);
                  }
                } // End scope for v$g$3.
              } else {
                yyError = yyError.select("';' expected", yyBase);
              }
            } // End scope for v$g$2.
          }
        } else {
          yyError = yyError.select("'(' expected", yyBase);
        }
      }
    }

    // Alternative 11.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("switch")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pCommaExpression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyResult = pJeannieC$Statement(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyValue = GNode.create("SwitchStatement", v$g$1, v$g$2);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Alternative <Complete>.

    yyResult = pLabel(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pJeannieC$Statement(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("LabeledStatement", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <Incomplete>.

    if (GCC) {

      yyResult = pLabel(yyStart);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = GNode.create("LabeledStatement", v$g$3, null);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 14.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("break")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(";")) {

        yyValue = GNode.create("BreakStatement", false);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("';' expected", yyBase);
      }
    }

    // Alternative 15.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("continue")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(";")) {

        yyValue = GNode.create("ContinueStatement", false);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("';' expected", yyBase);
      }
    }

    // Alternative 16.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("return")) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pCommaExpression(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$1.
        final Node v$g$1 = yyOpValue1;

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("ReturnStatement", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      } // End scope for v$g$1.
    }

    // Alternative <Direct>.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("goto")) {

      yyResult = pJeannieC$PrimaryIdentifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("GotoStatement", null, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      }
    }

    // Alternative <Computed>.

    if (GCC) {

      yyResult = pKeyword(yyStart);
      if (yyResult.hasValue("goto")) {

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("*")) {
          final String v$g$3 = "*";

          yyResult = pCommaExpression(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$4 = yyResult.semanticValue();

            yyBase   = yyResult.index;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue(";")) {

              yyValue = GNode.create("GotoStatement", v$g$3, v$g$4);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            } else {
              yyError = yyError.select("';' expected", yyBase);
            }
          }
        } else {
          yyError = yyError.select("'*' expected", yyBase);
        }
      }
    }

    // Alternative 19.

    yyResult = pAsmKeyword(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pTypeQualifier(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$1.
        final Node v$g$1 = yyOpValue1;

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("(")) {

          yyResult = pAssemblyArgument(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$2 = yyResult.semanticValue();

            yyBase   = yyResult.index;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue(")")) {

              yyBase   = yyResult.index;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(";")) {
                final String v$g$3 = ";";

                yyValue = GNode.create("AssemblyStatement", v$g$1, v$g$2, v$g$3);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              } else {
                yyError = yyError.select("';' expected", yyBase);
              }
            } else {
              yyError = yyError.select("')' expected", yyBase);
            }
          }
        } else {
          yyError = yyError.select("'(' expected", yyBase);
        }
      } // End scope for v$g$1.
    }

    // Alternative 20.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(";")) {

      yyValue = GNode.create("EmptyStatement", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("statement expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.Label.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pLabel(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Label>.

    yyResult = pCIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(":")) {

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pAttributeSpecifierList(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$1 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        }
        { // Start scope for v$g$2.
          final Node v$g$2 = yyOpValue1;

          yyValue = GNode.create("NamedLabel", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyOption1, yyError);
        } // End scope for v$g$2.
      } else {
        yyError = yyError.select("':' expected", yyBase);
      }
    }

    // Alternative <Range>.

    if (GCC) {

      yyResult = pKeyword(yyStart);
      if (yyResult.hasValue("case")) {

        yyResult = pJeannieC$ConditionalExpression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("...")) {

            yyResult = pJeannieC$ConditionalExpression(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyBase   = yyResult.index;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(":")) {

                yyValue = GNode.create("CaseLabel", v$g$1, v$g$2);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              } else {
                yyError = yyError.select("':' expected", yyBase);
              }
            }
          } else {
            yyError = yyError.select("'...' expected", yyBase);
          }
        }
      }
    }

    // Alternative <Simple>.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("case")) {

      yyResult = pJeannieC$ConditionalExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(":")) {

          yyValue = GNode.create("CaseLabel", v$g$3);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("':' expected", yyBase);
        }
      }
    }

    // Alternative 4.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("default")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(":")) {

        yyValue = GNode.create("DefaultLabel", false);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("':' expected", yyBase);
      }
    }

    // Done.
    yyError = yyError.select("label expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.CompoundStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCompoundStatement(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fCompoundStatement) 
      yyColumn.chunk4.fCompoundStatement = pCompoundStatement$1(yyStart);
    return yyColumn.chunk4.fCompoundStatement;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.CompoundStatement. */
  private Result pCompoundStatement$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <CBlock>.

    yyResult = pCInCBlock(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <JavaBlock>.

    yyResult = pJavaInCBlock(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.LocalLabelDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pLocalLabelDeclaration(final int yyStart) 
    throws IOException {

    Result       yyResult;
    int          yyBase;
    int          yyRepetition1;
    Pair<String> yyRepValue1;
    Node         yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__label__")) {

      yyResult = pCIdentifier$Identifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final String v$g$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyBase   = yyRepetition1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyResult = pCIdentifier$Identifier(yyResult.index);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final String v$el$1 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<String>(v$el$1, yyRepValue1);
              continue;
            }
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }
          break;
        }
        { // Start scope for v$g$2.
          final Pair<String> v$g$2 = yyRepValue1.reverse();

          yyBase   = yyRepetition1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(";")) {

            yyValue = GNode.createFromPair("LocalLabelDeclaration", v$g$1, v$g$2);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("';' expected", yyBase);
          }
        } // End scope for v$g$2.
      }
    }

    // Done.
    yyError = yyError.select("local label declaration expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.DeclarationOrStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$DeclarationOrStatement(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Start a state modification.
    yyState.start();

    // Alternative <Declaration>.

    yyState.mark();

    yyResult = pJeannieC$Declaration(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node d = yyResult.semanticValue();

      yyValue = yyState.annotate(d);

      // Commit the state modification.
      yyState.commit();

      setLocation(yyValue, yyStart);
      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Statement>.

    yyResult = pJeannieC$Statement(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node s = yyResult.semanticValue();

      yyValue = yyState.annotate(s);

      // Commit the state modification.
      yyState.commit();

      setLocation(yyValue, yyStart);
      return yyResult.createValue(yyValue, yyError);
    }

    // Abort the state modification.
    yyState.abort();

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.InitialClause.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pInitialClause(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Start a state modification.
    yyState.start();

    // Alternative <Declaration>.

    yyResult = pJeannieC$Declaration(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      // Commit the state modification.
      yyState.commit();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Expression>.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pCommaExpression(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {
      final Node v$el$3 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$3;
    }
    { // Start scope for yyValue.
      yyValue = yyOpValue1;

      yyBase   = yyOption1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(";")) {

        // Commit the state modification.
        yyState.commit();

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("';' expected", yyBase);
      }
    } // End scope for yyValue.

    // Abort the state modification.
    yyState.abort();

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.CommaExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCommaExpression(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fCommaExpression) 
      yyColumn.chunk4.fCommaExpression = pCommaExpression$1(yyStart);
    return yyColumn.chunk4.fCommaExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.CommaExpression. */
  private Result pCommaExpression$1(final int yyStart) throws IOException {
    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pAssignmentExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pCommaExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.CommaExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCommaExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Comma>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(",")) {

      yyResult = pAssignmentExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("CommaExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("comma expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AssignmentExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAssignmentExpression(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fAssignmentExpression) 
      yyColumn.chunk4.fAssignmentExpression = pAssignmentExpression$1(yyStart);
    return yyColumn.chunk4.fAssignmentExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.AssignmentExpression. */
  private Result pAssignmentExpression$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Assignment>.

    yyResult = pJeannieC$UnaryExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pJeannieC$AssignmentOperator(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final String v$g$2 = yyResult.semanticValue();

        yyResult = pAssignmentExpression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$3 = yyResult.semanticValue();

          yyValue = GNode.create("AssignmentExpression", v$g$1, v$g$2, v$g$3);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative <Base>.

    yyResult = pJeannieC$ConditionalExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AssignmentOperator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$AssignmentOperator(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Equal>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("=")) {
      yyValue = "=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <PlusEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("+=")) {
      yyValue = "+=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <MinusEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("-=")) {
      yyValue = "-=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <TimesEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("*=")) {
      yyValue = "*=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <OverEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("/=")) {
      yyValue = "/=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <ModuloEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("%=")) {
      yyValue = "%=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <LeftEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("<<=")) {
      yyValue = "<<=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <RightEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">>=")) {
      yyValue = ">>=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <AndEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("&=")) {
      yyValue = "&=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <XorEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("^=")) {
      yyValue = "^=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <OrEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("|=")) {
      yyValue = "|=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("assignment operator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ConditionalExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$ConditionalExpression(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk4) yyColumn.chunk4 = new Chunk4();
    if (null == yyColumn.chunk4.fJeannieC$ConditionalExpression) 
      yyColumn.chunk4.fJeannieC$ConditionalExpression = pJeannieC$ConditionalExpression$1(yyStart);
    return yyColumn.chunk4.fJeannieC$ConditionalExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.ConditionalExpression. */
  private Result pJeannieC$ConditionalExpression$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Conditional>.

    yyResult = pJeannieC$LogicalOrExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("?")) {

        yyResult = pCommaExpression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(":")) {

            yyResult = pJeannieC$ConditionalExpression(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$3 = yyResult.semanticValue();

              yyValue = GNode.create("ConditionalExpression", v$g$1, v$g$2, v$g$3);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("':' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'?' expected", yyBase);
      }
    }

    // Alternative <IncompleteConditional>.

    if (GCC) {

      yyResult = pJeannieC$LogicalOrExpression(yyStart);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$4 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("?")) {

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(":")) {

            yyResult = pJeannieC$ConditionalExpression(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$6 = yyResult.semanticValue();

              yyValue = GNode.create("ConditionalExpression", v$g$4, null, v$g$6);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("':' expected", yyBase);
          }
        } else {
          yyError = yyError.select("'?' expected", yyBase);
        }
      }
    }

    // Alternative <Base>.

    yyResult = pJeannieC$LogicalOrExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("conditional expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.LogicalOrExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$LogicalOrExpression(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.fJeannieC$LogicalOrExpression) 
      yyColumn.chunk5.fJeannieC$LogicalOrExpression = pJeannieC$LogicalOrExpression$1(yyStart);
    return yyColumn.chunk5.fJeannieC$LogicalOrExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.LogicalOrExpression. */
  private Result pJeannieC$LogicalOrExpression$1(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$LogicalAndExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$LogicalOrExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.LogicalOrExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$LogicalOrExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Or>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("||")) {

      yyResult = pJeannieC$LogicalAndExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("LogicalOrExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("logical or expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.LogicalAndExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$LogicalAndExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$BitwiseOrExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$LogicalAndExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.LogicalAndExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$LogicalAndExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <And>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("&&")) {

      yyResult = pJeannieC$BitwiseOrExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("LogicalAndExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("logical and expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.BitwiseOrExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$BitwiseOrExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$BitwiseXorExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$BitwiseOrExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.BitwiseOrExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$BitwiseOrExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Or>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("|")) {

      yyResult = pJeannieC$BitwiseXorExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("BitwiseOrExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("bitwise or expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.BitwiseXorExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$BitwiseXorExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$BitwiseAndExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$BitwiseXorExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.BitwiseXorExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$BitwiseXorExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Xor>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("^")) {

      yyResult = pJeannieC$BitwiseAndExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("BitwiseXorExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("bitwise xor expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.BitwiseAndExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$BitwiseAndExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$EqualityExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$BitwiseAndExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.BitwiseAndExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$BitwiseAndExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <And>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("&")) {

      yyResult = pJeannieC$EqualityExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("BitwiseAndExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("bitwise and expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.EqualityExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$EqualityExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$RelationalExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$EqualityExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.EqualityExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$EqualityExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Recursion>.

    yyResult = p$$Shared7(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pJeannieC$RelationalExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("EqualityExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal xtc.lang.jeannie.Jeannie.$$Shared7.
   * This nonterminal represents the duplicate productions 
   * xtc.lang.jeannie.JeannieC.EqualityOperator 
   * and xtc.lang.jeannie.JeannieJava.EqualityOperator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result p$$Shared7(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.f$$Shared7) 
      yyColumn.chunk5.f$$Shared7 = p$$Shared7$1(yyStart);
    return yyColumn.chunk5.f$$Shared7;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.$$Shared7. */
  private Result p$$Shared7$1(final int yyStart) throws IOException {
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Equal>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("==")) {
      yyValue = "==";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <NotEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("!=")) {
      yyValue = "!=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select(" expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.RelationalExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$RelationalExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$ShiftExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$RelationalExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.RelationalExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$RelationalExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Recursion>.

    yyResult = pJeannieC$RelationalOperator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pJeannieC$ShiftExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("RelationalExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.RelationalOperator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$RelationalOperator(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <LessEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("<=")) {
      yyValue = "<=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Less>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("<")) {
      yyValue = "<";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <GreaterEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">=")) {
      yyValue = ">=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Greater>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">")) {
      yyValue = ">";

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("relational operator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ShiftExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$ShiftExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$AdditiveExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$ShiftExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.ShiftExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$ShiftExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Recursion>.

    yyResult = pJeannieC$ShiftOperator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pJeannieC$AdditiveExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("ShiftExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ShiftOperator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$ShiftOperator(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Left>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("<<")) {
      yyValue = "<<";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Right>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">>")) {
      yyValue = ">>";

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("shift operator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AdditiveExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$AdditiveExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$MultiplicativeExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$AdditiveExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.AdditiveExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$AdditiveExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Recursion>.

    yyResult = p$$Shared8(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pJeannieC$MultiplicativeExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("AdditiveExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal xtc.lang.jeannie.Jeannie.$$Shared8.
   * This nonterminal represents the duplicate productions 
   * xtc.lang.jeannie.JeannieC.AdditiveOperator 
   * and xtc.lang.jeannie.JeannieJava.AdditiveOperator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result p$$Shared8(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.f$$Shared8) 
      yyColumn.chunk5.f$$Shared8 = p$$Shared8$1(yyStart);
    return yyColumn.chunk5.f$$Shared8;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.$$Shared8. */
  private Result p$$Shared8$1(final int yyStart) throws IOException {
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Plus>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("+")) {
      yyValue = "+";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Minus>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("-")) {
      yyValue = "-";

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select(" expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.MultiplicativeExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$MultiplicativeExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieC$CastExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$MultiplicativeExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.MultiplicativeExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$MultiplicativeExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Recursion>.

    yyResult = p$$Shared9(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pJeannieC$CastExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("MultiplicativeExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal xtc.lang.jeannie.Jeannie.$$Shared9.
   * This nonterminal represents the duplicate productions 
   * xtc.lang.jeannie.JeannieC.MultiplicativeOperator 
   * and xtc.lang.jeannie.JeannieJava.MultiplicativeOperator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result p$$Shared9(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.f$$Shared9) 
      yyColumn.chunk5.f$$Shared9 = p$$Shared9$1(yyStart);
    return yyColumn.chunk5.f$$Shared9;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.$$Shared9. */
  private Result p$$Shared9$1(final int yyStart) throws IOException {
    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Times>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("*")) {
      yyValue = "*";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Over>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("/")) {
      yyValue = "/";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Modulo>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("%")) {
      yyValue = "%";

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select(" expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.CastExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$CastExpression(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.fJeannieC$CastExpression) 
      yyColumn.chunk5.fJeannieC$CastExpression = pJeannieC$CastExpression$1(yyStart);
    return yyColumn.chunk5.fJeannieC$CastExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.CastExpression. */
  private Result pJeannieC$CastExpression$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Cast>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      yyResult = pJeannieC$TypeName(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          yyResult = pJeannieC$CastExpression(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$2 = yyResult.semanticValue();

            yyValue = GNode.create("CastExpression", v$g$1, v$g$2);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          }
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      }
    }

    // Alternative <Base>.

    yyResult = pJeannieC$UnaryExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("cast expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.UnaryExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$UnaryExpression(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.fJeannieC$UnaryExpression) 
      yyColumn.chunk5.fJeannieC$UnaryExpression = pJeannieC$UnaryExpression$1(yyStart);
    return yyColumn.chunk5.fJeannieC$UnaryExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.UnaryExpression. */
  private Result pJeannieC$UnaryExpression$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Result     yyPredResult;
    boolean    yyPredMatched;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("sizeof")) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyBase   = yyChoice1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pJeannieC$TypeName(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyPredMatched = false;

            yyPredResult = pSymbol(yyResult.index);
            if (yyPredResult.hasValue("{")) {

              yyPredMatched = true;
            }

            if (! yyPredMatched) {

              yyValue = GNode.create("SizeofExpression", v$g$1);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            } else {
              yyError = yyError.select("unary expression expected", yyStart);
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }

      // Nested alternative 2.

      yyResult = pJeannieC$UnaryExpression(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("SizeofExpression", v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 2.

    yyResult = pAlignofKeyword(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyBase   = yyChoice1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pJeannieC$TypeName(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyPredMatched = false;

            yyPredResult = pSymbol(yyResult.index);
            if (yyPredResult.hasValue("{")) {

              yyPredMatched = true;
            }

            if (! yyPredMatched) {

              yyValue = GNode.create("AlignofExpression", v$g$1);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            } else {
              yyError = yyError.select("unary expression expected", yyStart);
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }

      // Nested alternative 2.

      yyResult = pJeannieC$UnaryExpression(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("AlignofExpression", v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 3.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__builtin_offsetof")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pJeannieC$TypeName(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyResult = pJeannieC$PostfixExpression(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyBase   = yyResult.index;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(")")) {

                yyValue = GNode.create("OffsetofExpression", v$g$1, v$g$2);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              } else {
                yyError = yyError.select("')' expected", yyBase);
              }
            }
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Alternative 4.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__builtin_types_compatible_p")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pJeannieC$TypeName(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyResult = pJeannieC$TypeName(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyBase   = yyResult.index;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(")")) {

                yyValue = GNode.create("TypeCompatibilityExpression", v$g$1, v$g$2);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              } else {
                yyError = yyError.select("')' expected", yyBase);
              }
            }
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Alternative 5.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("-")) {

      yyResult = pJeannieC$CastExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("UnaryMinusExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 6.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("+")) {

      yyResult = pJeannieC$CastExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("UnaryPlusExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <JavaInCExpression>.

    yyResult = pJavaInCExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 8.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("!")) {

      yyResult = pJeannieC$CastExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("LogicalNegationExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 9.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("~")) {

      yyResult = pJeannieC$CastExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("BitwiseNegationExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 10.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("&")) {

      yyResult = pJeannieC$CastExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("AddressExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <LabelAddress>.

    if (GCC) {

      yyResult = pSymbol(yyStart);
      if (yyResult.hasValue("&&")) {

        yyResult = pCIdentifier$Identifier(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$1 = yyResult.semanticValue();

          yyValue = GNode.create("LabelAddressExpression", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative 12.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("*")) {

      yyResult = pJeannieC$CastExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("IndirectionExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 13.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("++")) {

      yyResult = pJeannieC$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("PreincrementExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 14.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("--")) {

      yyResult = pJeannieC$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("PredecrementExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <Extension>.

    if (GCC) {

      yyResult = pKeyword(yyStart);
      if (yyResult.hasValue("__extension__")) {

        yyResult = pJeannieC$CastExpression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyValue = GNode.create("ExtensionExpression", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative <Base>.

    yyResult = pJeannieC$PostfixExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("unary expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AlignofKeyword.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAlignofKeyword(final int yyStart) throws IOException {
    Result     yyResult;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__alignof__")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__alignof")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("alignof keyword expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.PostfixExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$PostfixExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Compound>.

    yyResult = pCompoundLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$6 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$PostfixExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$7 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$7, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$8.
        final Pair<Action<Node>> v$8 = yyRepValue1.reverse();

        yyValue = apply(v$8, v$g$6, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$8.
    }

    // Alternative <Primary>.

    yyResult = pJeannieC$PrimaryExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$9 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieC$PostfixExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$10 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$10, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$11.
        final Pair<Action<Node>> v$11 = yyRepValue1.reverse();

        yyValue = apply(v$11, v$g$9, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$11.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.PostfixExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$PostfixExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    int          yyBase;
    int          yyOption1;
    Node         yyOpValue1;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("[")) {

      yyResult = pCommaExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("]")) {

          yyValue = new Action<Node>() {
            public Node run(Node v$1) {
              return GNode.create("SubscriptExpression", v$1, v$g$2);
            }};

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("']' expected", yyBase);
        }
      }
    }

    // Alternative 2.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(".")) {

      yyResult = pCIdentifier$Identifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final String v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("DirectComponentSelection", v$1, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 3.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("->")) {

      yyResult = pCIdentifier$Identifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final String v$g$4 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("IndirectComponentSelection", v$1, v$g$4);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 4.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pJeannieC$ExpressionList(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$5.
        final Node v$g$5 = yyOpValue1;

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          yyValue = new Action<Node>() {
            public Node run(Node v$1) {
              return GNode.create("FunctionCall", v$1, v$g$5);
            }};

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      } // End scope for v$g$5.
    }

    // Alternative 5.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("++")) {

      yyValue = new Action<Node>() {
        public Node run(Node v$1) {
          return GNode.create("PostincrementExpression", v$1);
        }};

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 6.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("--")) {

      yyValue = new Action<Node>() {
        public Node run(Node v$1) {
          return GNode.create("PostdecrementExpression", v$1);
        }};

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("postfix expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.ExpressionList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$ExpressionList(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.fJeannieC$ExpressionList) 
      yyColumn.chunk5.fJeannieC$ExpressionList = pJeannieC$ExpressionList$1(yyStart);
    return yyColumn.chunk5.fJeannieC$ExpressionList;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.ExpressionList. */
  private Result pJeannieC$ExpressionList$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Expressions>.

    yyResult = pAssignmentExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pJeannieC$ExpressionList$$Star1(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<Node> v$g$2 = yyResult.semanticValue();

        yyValue = GNode.createFromPair("ExpressionList", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieC.ExpressionList$$Star1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$ExpressionList$$Star1(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.fJeannieC$ExpressionList$$Star1) 
      yyColumn.chunk5.fJeannieC$ExpressionList$$Star1 = pJeannieC$ExpressionList$$Star1$1(yyStart);
    return yyColumn.chunk5.fJeannieC$ExpressionList$$Star1;
  }

  /** Actually parse JeannieC.ExpressionList$$Star1. */
  private Result pJeannieC$ExpressionList$$Star1$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(",")) {

      yyResult = pAssignmentExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyResult = pJeannieC$ExpressionList$$Star1(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Pair<Node> v$2 = yyResult.semanticValue();

          yyValue = new Pair<Node>(v$el$1, v$2);

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative 2.

    yyValue = Pair.empty();

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.CompoundLiteral.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCompoundLiteral(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      yyResult = pJeannieC$TypeName(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("{")) {

            yyResult = pInitializerList(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyOption1  = yyResult.index;

              yyBase   = yyOption1;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(",")) {

                yyOption1  = yyResult.index;
              } else {
                yyError = yyError.select("',' expected", yyBase);
              }

              yyBase   = yyOption1;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue("}")) {

                yyValue = GNode.create("CompoundLiteral", v$g$1, v$g$2);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              } else {
                yyError = yyError.select("'}' expected", yyBase);
              }
            }
          } else {
            yyError = yyError.select("'{' expected", yyBase);
          }
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("compound literal expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.PrimaryExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$PrimaryExpression(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Constant>.

    yyResult = pConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pCIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("PrimaryIdentifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 3.

    if (GCC) {

      yyResult = pSymbol(yyStart);
      if (yyResult.hasValue("(")) {

        yyResult = pCompoundStatement(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyValue = GNode.create("StatementAsExpression", v$g$1);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      }
    }

    // Alternative 4.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__builtin_va_arg")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pAssignmentExpression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyResult = pJeannieC$TypeName(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyBase   = yyResult.index;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(")")) {

                yyValue = GNode.create("VariableArgumentAccess", v$g$1, v$g$2);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              } else {
                yyError = yyError.select("')' expected", yyBase);
              }
            }
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Alternative <ParenthesizedExpression>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      yyResult = pCommaExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        yyValue = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("primary expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.PrimaryIdentifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$PrimaryIdentifier(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("PrimaryIdentifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AssemblyDefinition.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAssemblyDefinition(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSimpleAssemblyExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(";")) {

        yyValue = GNode.create("AssemblyDefinition", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("';' expected", yyBase);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.SimpleAssemblyExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSimpleAssemblyExpression(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.fSimpleAssemblyExpression) 
      yyColumn.chunk5.fSimpleAssemblyExpression = pSimpleAssemblyExpression$1(yyStart);
    return yyColumn.chunk5.fSimpleAssemblyExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.SimpleAssemblyExpression. */
  private Result pSimpleAssemblyExpression$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pAsmKeyword(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pCConstant$StringConstant(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyValue = GNode.create("SimpleAssemblyExpression", v$g$1);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AssemblyArgument.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAssemblyArgument(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCConstant$StringConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyBase   = yyChoice1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(":")) {

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pAssemblyOperands(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$1 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        }
        { // Start scope for v$g$2.
          final Node v$g$2 = yyOpValue1;

          final int yyChoice2 = yyOption1;

          // Nested alternative 1.

          yyBase   = yyChoice2;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(":")) {

            yyOption1  = yyResult.index;
            yyOpValue1 = null;

            yyResult = pAssemblyOperands(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$2 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$2;
            }
            { // Start scope for v$g$3.
              final Node v$g$3 = yyOpValue1;

              final int yyChoice3 = yyOption1;

              // Nested alternative 1.

              yyBase   = yyChoice3;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(":")) {

                yyResult = pAssemblyClobbers(yyResult.index);
                yyError  = yyResult.select(yyError);
                if (yyResult.hasValue()) {
                  final Node v$g$4 = yyResult.semanticValue();

                  yyValue = GNode.create("AssemblyArgument", v$g$1, v$g$2, v$g$3, v$g$4);
                  yyValue.setLocation(location(yyStart));

                  return yyResult.createValue(yyValue, yyError);
                }
              } else {
                yyError = yyError.select("':' expected", yyBase);
              }

              // Nested alternative 2.

              yyValue = GNode.create("AssemblyArgument", v$g$1, v$g$2, v$g$3);
              yyValue.setLocation(location(yyStart));

              return new SemanticValue(yyValue, yyChoice3, yyError);
            } // End scope for v$g$3.
          } else {
            yyError = yyError.select("':' expected", yyBase);
          }

          // Nested alternative 2.

          yyValue = GNode.create("AssemblyArgument", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyChoice2, yyError);
        } // End scope for v$g$2.
      } else {
        yyError = yyError.select("':' expected", yyBase);
      }

      // Nested alternative 2.

      yyValue = GNode.create("AssemblyArgument", v$g$1);
      yyValue.setLocation(location(yyStart));

      return new SemanticValue(yyValue, yyChoice1, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AssemblyOperands.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAssemblyOperands(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk5) yyColumn.chunk5 = new Chunk5();
    if (null == yyColumn.chunk5.fAssemblyOperands) 
      yyColumn.chunk5.fAssemblyOperands = pAssemblyOperands$1(yyStart);
    return yyColumn.chunk5.fAssemblyOperands;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.AssemblyOperands. */
  private Result pAssemblyOperands$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pAssemblyOperand(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pAssemblyOperands$$Star1(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<Node> v$g$2 = yyResult.semanticValue();

        yyValue = GNode.createFromPair("AssemblyOperands", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.AssemblyOperands$$Star1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAssemblyOperands$$Star1(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fAssemblyOperands$$Star1) 
      yyColumn.chunk6.fAssemblyOperands$$Star1 = pAssemblyOperands$$Star1$1(yyStart);
    return yyColumn.chunk6.fAssemblyOperands$$Star1;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.AssemblyOperands$$Star1. */
  private Result pAssemblyOperands$$Star1$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(",")) {

      yyResult = pAssemblyOperand(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyResult = pAssemblyOperands$$Star1(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Pair<Node> v$2 = yyResult.semanticValue();

          yyValue = new Pair<Node>(v$el$1, v$2);

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative 2.

    yyValue = Pair.empty();

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AssemblyOperand.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAssemblyOperand(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fAssemblyOperand) 
      yyColumn.chunk6.fAssemblyOperand = pAssemblyOperand$1(yyStart);
    return yyColumn.chunk6.fAssemblyOperand;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.AssemblyOperand. */
  private Result pAssemblyOperand$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    String     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyBase   = yyOption1;
    yyResult = pSymbol(yyBase);
    if (yyResult.hasValue("[")) {

      yyResult = pCIdentifier$Word(yyResult.index);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final String v$el$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("]")) {

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        } else {
          yyError = yyError.select("']' expected", yyBase);
        }
      }
    } else {
      yyError = yyError.select("'[' expected", yyBase);
    }
    { // Start scope for v$g$1.
      final String v$g$1 = yyOpValue1;

      yyResult = pCConstant$StringConstant(yyOption1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("(")) {

          yyResult = pCommaExpression(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$3 = yyResult.semanticValue();

            yyBase   = yyResult.index;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue(")")) {

              yyValue = GNode.create("AssemblyOperand", v$g$1, v$g$2, v$g$3);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            } else {
              yyError = yyError.select("')' expected", yyBase);
            }
          }
        } else {
          yyError = yyError.select("'(' expected", yyBase);
        }
      }
    } // End scope for v$g$1.

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AssemblyClobbers.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAssemblyClobbers(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCConstant$StringConstant(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyBase   = yyRepetition1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(",")) {

          yyResult = pCConstant$StringConstant(yyResult.index);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
        } else {
          yyError = yyError.select("',' expected", yyBase);
        }
        break;
      }
      { // Start scope for v$g$2.
        final Pair<Node> v$g$2 = yyRepValue1.reverse();

        yyValue = GNode.createFromPair("AssemblyClobbers", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.AsmKeyword.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pAsmKeyword(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fAsmKeyword) 
      yyColumn.chunk6.fAsmKeyword = pAsmKeyword$1(yyStart);
    return yyColumn.chunk6.fAsmKeyword;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.AsmKeyword. */
  private Result pAsmKeyword$1(final int yyStart) throws IOException {
    Result     yyResult;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("asm")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__asm")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 3.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("__asm__")) {

      yyValue = null;

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("asm keyword expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.WithStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pWithStatement(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("_with")) {

      yyResult = pPushScope(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("(")) {

          yyResult = pWithInitializer(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$1 = yyResult.semanticValue();

            yyBase   = yyResult.index;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue(")")) {

              yyResult = pCInCBlock(yyResult.index);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {
                final Node v$g$2 = yyResult.semanticValue();

                yyResult = pPopScope(yyResult.index);
                yyError  = yyResult.select(yyError);
                if (yyResult.hasValue()) {

                  yyValue = GNode.create("WithStatement", v$g$1, v$g$2);
                  yyValue.setLocation(location(yyStart));

                  return yyResult.createValue(yyValue, yyError);
                }
              }
            } else {
              yyError = yyError.select("')' expected", yyBase);
            }
          }
        } else {
          yyError = yyError.select("'(' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("with statement expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.WithInitializer.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pWithInitializer(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Declaration>.

    yyResult = pDeclarationNoSemicolon(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Assignment>.

    yyResult = pAssignmentExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.DeclarationNoSemicolon.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDeclarationNoSemicolon(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pDeclarationSpecifiers(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$2 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pInitializedDeclaratorList(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for l.
        final Node l = yyOpValue1;

        if (yyState.isValid(l)) {

          yyValue = GNode.create("Declaration", null, v$g$2, l);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyOption1, yyError);
        }
      } // End scope for l.
    }

    // Done.
    yyError = yyError.select("declaration no semicolon expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.CancelStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCancelStatement(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("_cancel")) {

      yyResult = pJeannieC$PrimaryIdentifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("CancelStatement", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("cancel statement expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.CommitStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCommitStatement(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pKeyword(yyStart);
    if (yyResult.hasValue("_commit")) {

      yyResult = pJeannieC$PrimaryIdentifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("CommitStatement", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("commit statement expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.JavaInC.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaInC(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fJavaInC) 
      yyColumn.chunk6.fJavaInC = pJavaInC$1(yyStart);
    return yyColumn.chunk6.fJavaInC;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.JavaInC. */
  private Result pJavaInC$1(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyBase;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("`")) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyBase   = yyChoice1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(".")) {

        yyBase = yyResult.index;
        yyC    = character(yyBase);
        if ('J' == yyC) {
          yyIndex = yyResult.index + 1;

          yyC = character(yyIndex);
          if ('a' == yyC) {
            yyIndex = yyIndex + 1;

            yyC = character(yyIndex);
            if ('v' == yyC) {
              yyIndex = yyIndex + 1;

              yyC = character(yyIndex);
              if ('a' == yyC) {
                yyIndex = yyIndex + 1;

                yyResult = pSpacing(yyIndex);
                yyError  = yyResult.select(yyError);
                if (yyResult.hasValue()) {

                  yyValue = null;

                  return yyResult.createValue(yyValue, yyError);
                }
              } else {
                yyError = yyError.select("'Java' expected", yyBase);
              }
            } else {
              yyError = yyError.select("'Java' expected", yyBase);
            }
          } else {
            yyError = yyError.select("'Java' expected", yyBase);
          }
        } else {
          yyError = yyError.select("'Java' expected", yyBase);
        }
      } else {
        yyError = yyError.select("'.' expected", yyBase);
      }

      // Nested alternative 2.

      yyValue = null;

      return new SemanticValue(yyValue, yyChoice1, yyError);
    }

    // Done.
    yyError = yyError.select("java in c expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.CInCBlock.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCInCBlock(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fCInCBlock) 
      yyColumn.chunk6.fCInCBlock = pCInCBlock$1(yyStart);
    return yyColumn.chunk6.fCInCBlock;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.CInCBlock. */
  private Result pCInCBlock$1(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("{")) {

      yyResult = pPushScope(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {

        yyResult = pCInCBlock$$Star1(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Pair<Node> v$g$1 = yyResult.semanticValue();

          yyResult = pCInCBlock$$Star2(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Pair<Node> v$g$2 = yyResult.semanticValue();

            yyResult = pAnnotations(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$3 = yyResult.semanticValue();

              yyBase = yyResult.index;
              yyC    = character(yyBase);
              if ('}' == yyC) {
                yyIndex = yyResult.index + 1;

                yyResult = pSpacing(yyIndex);
                yyError  = yyResult.select(yyError);
                if (yyResult.hasValue()) {

                  yyResult = pPopScope(yyResult.index);
                  yyError  = yyResult.select(yyError);
                  if (yyResult.hasValue()) {

                    yyValue = GNode.create("CInCBlock", v$g$1.size() + v$g$2.size() + 1).
                      addAll(v$g$1).addAll(v$g$2).add(v$g$3);
                    yyValue.setLocation(location(yyStart));

                    return yyResult.createValue(yyValue, yyError);
                  }
                }
              } else {
                yyError = yyError.select("'}' expected", yyBase);
              }
            }
          }
        }
      }
    }

    // Done.
    yyError = yyError.select("c in c block expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal xtc.lang.jeannie.Jeannie.CInCBlock$$Star1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCInCBlock$$Star1(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fCInCBlock$$Star1) 
      yyColumn.chunk6.fCInCBlock$$Star1 = pCInCBlock$$Star1$1(yyStart);
    return yyColumn.chunk6.fCInCBlock$$Star1;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.CInCBlock$$Star1. */
  private Result pCInCBlock$$Star1$1(final int yyStart) throws IOException {
    Result     yyResult;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pLocalLabelDeclaration(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$el$1 = yyResult.semanticValue();

      yyResult = pCInCBlock$$Star1(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<Node> v$2 = yyResult.semanticValue();

        yyValue = new Pair<Node>(v$el$1, v$2);

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 2.

    yyValue = Pair.empty();

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal xtc.lang.jeannie.Jeannie.CInCBlock$$Star2.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCInCBlock$$Star2(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fCInCBlock$$Star2) 
      yyColumn.chunk6.fCInCBlock$$Star2 = pCInCBlock$$Star2$1(yyStart);
    return yyColumn.chunk6.fCInCBlock$$Star2;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.CInCBlock$$Star2. */
  private Result pCInCBlock$$Star2$1(final int yyStart) throws IOException {
    Result     yyResult;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJeannieC$DeclarationOrStatement(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$el$3 = yyResult.semanticValue();

      yyResult = pCInCBlock$$Star2(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<Node> v$4 = yyResult.semanticValue();

        yyValue = new Pair<Node>(v$el$3, v$4);

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 2.

    yyValue = Pair.empty();

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.JavaInCBlock.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaInCBlock(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaInC(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyResult = pJavaInJavaBlock(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("JavaInCBlock", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.JavaInCExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaInCExpression(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaInC(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyResult = pJeannieJava$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("JavaInCExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.JavaImports.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieC$JavaImports(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaInC(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("{")) {

        yyRepetition1 = yyResult.index;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyResult = pImportDeclaration(yyRepetition1);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
          break;
        }
        { // Start scope for v$g$1.
          final Pair<Node> v$g$1 = yyRepValue1.reverse();

          yyBase   = yyRepetition1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("}")) {

            yyValue = GNode.createFromPair("JavaImports", v$g$1);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("'}' expected", yyBase);
          }
        } // End scope for v$g$1.
      } else {
        yyError = yyError.select("'{' expected", yyBase);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.JavaInCStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaInCStatement(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaInC(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyResult = pTryCatchFinallyStatement(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("JavaInCStatement", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }

      // Nested alternative 2.

      yyResult = pSynchronizedStatement(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("JavaInCStatement", v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }

      // Nested alternative 3.

      yyResult = pThrowStatement(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = GNode.create("JavaInCStatement", v$g$3);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.JavaThrows.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaThrows(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fJavaThrows) 
      yyColumn.chunk6.fJavaThrows = pJavaThrows$1(yyStart);
    return yyColumn.chunk6.fJavaThrows;
  }

  /** Actually parse xtc.lang.jeannie.JeannieC.JavaThrows. */
  private Result pJavaThrows$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pJavaInC(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {

      yyResult = pThrowsClause(yyResult.index);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
    }
    { // Start scope for v$g$1.
      final Node v$g$1 = yyOpValue1;

      yyValue = GNode.create("JavaThrows", v$g$1);
      yyValue.setLocation(location(yyStart));

      return new SemanticValue(yyValue, yyOption1, yyError);
    } // End scope for v$g$1.
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieC.JavaType.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaType(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaInC(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyResult = pJavaType$TypeName(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("JavaType", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.CompilationUnit.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCompilationUnit(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pPrelude(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pPackageDeclaration(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$1.
        final Node v$g$1 = yyOpValue1;

        yyResult = pJeannieJava$JavaImports(yyOption1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyResult = pCDeclarations(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$3 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = Pair.empty();
            while (true) {

              yyResult = pClassOrInterfaceDeclaration(yyRepetition1);
              yyError  = yyResult.select(yyError, yyRepetition1);
              if (yyResult.hasValue()) {
                final Node v$el$2 = yyResult.semanticValue();

                yyRepetition1 = yyResult.index;
                yyRepValue1   = new Pair<Node>(v$el$2, yyRepValue1);
                continue;
              }
              break;
            }
            { // Start scope for v$g$4.
              final Pair<Node> v$g$4 = yyRepValue1.reverse();

              yyOption1  = yyRepetition1;

              yyC = character(yyOption1);
              if ('\u001a' == yyC) {
                yyIndex = yyOption1 + 1;

                yyOption1  = yyIndex;
              }

              yyResult = pEndOfFile(yyOption1);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {

                yyValue = GNode.create("CompilationUnit", v$g$4.size() + 3).
                  add(v$g$1).add(v$g$2).add(v$g$3).addAll(v$g$4);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              }
            } // End scope for v$g$4.
          }
        }
      } // End scope for v$g$1.
    }

    // Done.
    yyError = yyError.select("compilation unit expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.PackageDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pPackageDeclaration(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Declaration>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("package")) {

      yyResult = pQualifiedIdentifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("PackageDeclaration", null, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("package declaration expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ImportDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pImportDeclaration(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    String     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Declaration>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("import")) {

      yyResult = pQualifiedIdentifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pDotStarTail(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final String v$el$1 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        }
        { // Start scope for v$g$3.
          final String v$g$3 = yyOpValue1;

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(";")) {

            yyValue = GNode.create("ImportDeclaration", null, v$g$2, v$g$3);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("';' expected", yyBase);
          }
        } // End scope for v$g$3.
      }
    }

    // Done.
    yyError = yyError.select("import declaration expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.DotStarTail.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDotStarTail(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(".")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("*")) {
        yyValue = "*";

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("'*' expected", yyBase);
      }
    }

    // Done.
    yyError = yyError.select("dot star tail expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Modifiers.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pModifiers(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fModifiers) 
      yyColumn.chunk6.fModifiers = pModifiers$1(yyStart);
    return yyColumn.chunk6.fModifiers;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.Modifiers. */
  private Result pModifiers$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pModifierList(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Pair<Node> v$g$1 = yyResult.semanticValue();

      yyValue = GNode.createFromPair("Modifiers", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ModifierList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pModifierList(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pModifier(yyRepetition1);
      yyError  = yyResult.select(yyError, yyRepetition1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }
    { // Start scope for yyValue.
      yyValue = yyRepValue1.reverse();

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    } // End scope for yyValue.
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Modifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pModifier(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Public>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("public")) {
      final String v$g$1 = "public";

      yyValue = GNode.create("Modifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Protected>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("protected")) {
      final String v$g$2 = "protected";

      yyValue = GNode.create("Modifier", v$g$2);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Private>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("private")) {
      final String v$g$3 = "private";

      yyValue = GNode.create("Modifier", v$g$3);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Static>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("static")) {
      final String v$g$4 = "static";

      yyValue = GNode.create("Modifier", v$g$4);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Abstract>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("abstract")) {
      final String v$g$5 = "abstract";

      yyValue = GNode.create("Modifier", v$g$5);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Final>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("final")) {
      final String v$g$6 = "final";

      yyValue = GNode.create("Modifier", v$g$6);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Native>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("native")) {
      final String v$g$7 = "native";

      yyValue = GNode.create("Modifier", v$g$7);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Synchronized>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("synchronized")) {
      final String v$g$8 = "synchronized";

      yyValue = GNode.create("Modifier", v$g$8);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Transient>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("transient")) {
      final String v$g$9 = "transient";

      yyValue = GNode.create("Modifier", v$g$9);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Volatile>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("volatile")) {
      final String v$g$10 = "volatile";

      yyValue = GNode.create("Modifier", v$g$10);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Strictfp>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("strictfp")) {
      final String v$g$11 = "strictfp";

      yyValue = GNode.create("Modifier", v$g$11);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("modifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.FormalParameter.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFormalParameter(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Parameter>.

    yyResult = pVariableModifiers(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pType(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyResult = pJavaIdentifier$Identifier(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$4 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pDimensions(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$5.
            final Node v$g$5 = yyOpValue1;

            yyValue = GNode.create("FormalParameter", v$g$1, v$g$2, null, v$g$4, v$g$5);
            yyValue.setLocation(location(yyStart));

            return new SemanticValue(yyValue, yyOption1, yyError);
          } // End scope for v$g$5.
        }
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.VariableModifiers.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pVariableModifiers(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Final>.

    yyResult = pFinalModifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("Modifiers", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Nonfinal>.

    yyValue = GNode.create("Modifiers", false);
    yyValue.setLocation(location(yyStart));

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.FinalModifier.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFinalModifier(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("final")) {
      final String v$g$1 = "final";

      yyValue = GNode.create("Modifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("final modifier expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.FormalParameters.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFormalParameters(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk6) yyColumn.chunk6 = new Chunk6();
    if (null == yyColumn.chunk6.fFormalParameters) 
      yyColumn.chunk6.fFormalParameters = pFormalParameters$1(yyStart);
    return yyColumn.chunk6.fFormalParameters;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.FormalParameters. */
  private Result pFormalParameters$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyResult = pFormalParameter(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyResult = pFormalParameters$$Star1(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Pair<Node> v$g$2 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyValue = GNode.createFromPair("FormalParameters", v$g$1, v$g$2);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      }

      // Nested alternative 2.

      yyBase   = yyChoice1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(")")) {

        yyValue = GNode.create("FormalParameters", false);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("')' expected", yyBase);
      }
    }

    // Done.
    yyError = yyError.select("formal parameters expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.FormalParameters$$Star1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pFormalParameters$$Star1(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fFormalParameters$$Star1) 
      yyColumn.chunk7.fFormalParameters$$Star1 = pFormalParameters$$Star1$1(yyStart);
    return yyColumn.chunk7.fFormalParameters$$Star1;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.FormalParameters$$Star1. */
  private Result pFormalParameters$$Star1$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(",")) {

      yyResult = pFormalParameter(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyResult = pFormalParameters$$Star1(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Pair<Node> v$2 = yyResult.semanticValue();

          yyValue = new Pair<Node>(v$el$1, v$2);

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative 2.

    yyValue = Pair.empty();

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Declarator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$Declarator(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Declarator>.

    yyResult = pJavaIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pDimensions(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$2.
        final Node v$g$2 = yyOpValue1;

        yyOpValue1 = null;

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("=")) {

          yyResult = pVariableInitializer(yyResult.index);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$2 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$2;
          }
        } else {
          yyError = yyError.select("'=' expected", yyBase);
        }
        { // Start scope for v$g$3.
          final Node v$g$3 = yyOpValue1;

          yyValue = GNode.create("Declarator", v$g$1, v$g$2, v$g$3);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyOption1, yyError);
        } // End scope for v$g$3.
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Declarators.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDeclarators(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fDeclarators) 
      yyColumn.chunk7.fDeclarators = pDeclarators$1(yyStart);
    return yyColumn.chunk7.fDeclarators;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.Declarators. */
  private Result pDeclarators$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJeannieJava$Declarator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pDeclarators$$Star1(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<Node> v$g$2 = yyResult.semanticValue();

        yyValue = GNode.createFromPair("Declarators", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal xtc.lang.jeannie.Jeannie.Declarators$$Star1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pDeclarators$$Star1(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fDeclarators$$Star1) 
      yyColumn.chunk7.fDeclarators$$Star1 = pDeclarators$$Star1$1(yyStart);
    return yyColumn.chunk7.fDeclarators$$Star1;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.Declarators$$Star1. */
  private Result pDeclarators$$Star1$1(final int yyStart) throws IOException {
    Result     yyResult;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(",")) {

      yyResult = pJeannieJava$Declarator(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyResult = pDeclarators$$Star1(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Pair<Node> v$2 = yyResult.semanticValue();

          yyValue = new Pair<Node>(v$el$1, v$2);

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative 2.

    yyValue = Pair.empty();

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ClassBody.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pClassBody(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Body>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("{")) {

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$Declaration(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Node v$el$1 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$g$1.
        final Pair<Node> v$g$1 = yyRepValue1.reverse();

        yyBase   = yyRepetition1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("}")) {

          yyValue = GNode.createFromPair("ClassBody", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("'}' expected", yyBase);
        }
      } // End scope for v$g$1.
    }

    // Done.
    yyError = yyError.select("class body expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Declaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$Declaration(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Object     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pModifiers(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyResult = pType(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyResult = pDeclarators(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$3 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(";")) {

            yyValue = GNode.create("FieldDeclaration", v$g$1, v$g$2, v$g$3);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("';' expected", yyBase);
          }
        }
      }

      // Nested alternative 2.
      { // Start scope for nested choice.

        final int yyChoice2 = yyChoice1;

        // Nested alternative 1.

        yyResult = pResultType(yyChoice2);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$3 = yyResult.semanticValue();

          yyResult = pJavaIdentifier$Identifier(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final String v$g$4 = yyResult.semanticValue();

            yyResult = pFormalParameters(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$5 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = null;

              yyResult = pDimensions(yyOption1);
              yyError  = yyResult.select(yyError, yyOption1);
              if (yyResult.hasValue()) {
                final Node v$el$1 = yyResult.semanticValue();

                yyOption1  = yyResult.index;
                yyOpValue1 = v$el$1;
              }
              { // Start scope for v$g$6.
                final Node v$g$6 = cast(yyOpValue1);

                yyOpValue1 = null;

                yyResult = pThrowsClause(yyOption1);
                yyError  = yyResult.select(yyError, yyOption1);
                if (yyResult.hasValue()) {
                  final Node v$el$2 = yyResult.semanticValue();

                  yyOption1  = yyResult.index;
                  yyOpValue1 = v$el$2;
                }
                { // Start scope for v$g$7.
                  final Node v$g$7 = cast(yyOpValue1);

                  final int yyChoice3 = yyOption1;

                  // Nested alternative 1.

                  yyResult = pBlock(yyChoice3);
                  yyError  = yyResult.select(yyError);
                  if (yyResult.hasValue()) {
                    final Node v$g$8 = yyResult.semanticValue();

                    yyValue = GNode.create("MethodDeclaration", v$g$1, null, v$g$3, v$g$4, v$g$5, v$g$6, v$g$7, v$g$8);
                    yyValue.setLocation(location(yyStart));

                    return yyResult.createValue(yyValue, yyError);
                  }

                  // Nested alternative 2.

                  yyBase   = yyChoice3;
                  yyResult = pSymbol(yyBase);
                  if (yyResult.hasValue(";")) {

                    yyValue = GNode.create("MethodDeclaration", v$g$1, null, v$g$3, v$g$4, v$g$5, v$g$6, v$g$7, null);
                    yyValue.setLocation(location(yyStart));

                    return yyResult.createValue(yyValue, yyError);
                  } else {
                    yyError = yyError.select("';' expected", yyBase);
                  }
                } // End scope for v$g$7.
              } // End scope for v$g$6.
            }
          }
        }

        // Nested alternative 2.

        yyResult = pJavaIdentifier$Identifier(yyChoice2);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$3 = yyResult.semanticValue();

          yyResult = pFormalParameters(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$4 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = null;

            yyResult = pThrowsClause(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$1;
            }
            { // Start scope for v$g$5.
              final Node v$g$5 = cast(yyOpValue1);

              yyResult = pBlock(yyOption1);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {
                final Node v$g$6 = yyResult.semanticValue();

                yyValue = GNode.create("ConstructorDeclaration", v$g$1, null, v$g$3, v$g$4, v$g$5, v$g$6);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              }
            } // End scope for v$g$5.
          }
        }
      } // End scope for nested choice.

      // Nested alternative 3.

      yyBase   = yyChoice1;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("class")) {

        yyResult = pJavaIdentifier$Identifier(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pExtension(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$4.
            final Node v$g$4 = cast(yyOpValue1);

            yyOpValue1 = null;

            yyResult = pImplementation(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$2 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$2;
            }
            { // Start scope for v$g$5.
              final Node v$g$5 = cast(yyOpValue1);

              yyResult = pClassBody(yyOption1);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {
                final Node v$g$6 = yyResult.semanticValue();

                yyValue = GNode.create("ClassDeclaration", v$g$1, v$g$2, null, v$g$4, v$g$5, v$g$6);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              }
            } // End scope for v$g$5.
          } // End scope for v$g$4.
        }
      } else {
        yyError = yyError.select("'class' expected", yyBase);
      }

      // Nested alternative 4.

      yyBase   = yyChoice1;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("interface")) {

        yyResult = pJavaIdentifier$Identifier(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pExtension(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$4.
            final Node v$g$4 = cast(yyOpValue1);

            yyResult = pClassBody(yyOption1);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$5 = yyResult.semanticValue();

              yyValue = GNode.create("InterfaceDeclaration", v$g$1, v$g$2, null, v$g$4, v$g$5);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } // End scope for v$g$4.
        }
      } else {
        yyError = yyError.select("'interface' expected", yyBase);
      }
    }

    // Alternative 2.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyBase   = yyOption1;
    yyResult = pJavaIdentifier$Word(yyBase);
    if (yyResult.hasValue("static")) {
      final String v$el$1 = "static";

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$1;
    } else {
      yyError = yyError.select("'static' expected", yyBase);
    }
    { // Start scope for v$g$1.
      final String v$g$1 = cast(yyOpValue1);

      yyResult = pBlock(yyOption1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("BlockDeclaration", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    } // End scope for v$g$1.

    // Alternative 3.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(";")) {

      yyValue = GNode.create("EmptyDeclaration", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("declaration expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ThrowsClause.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pThrowsClause(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("throws")) {

      yyResult = pQualifiedIdentifier(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyBase   = yyRepetition1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyResult = pQualifiedIdentifier(yyResult.index);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
              continue;
            }
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }
          break;
        }
        { // Start scope for v$g$2.
          final Pair<Node> v$g$2 = yyRepValue1.reverse();

          yyValue = GNode.createFromPair("ThrowsClause", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyRepetition1, yyError);
        } // End scope for v$g$2.
      }
    }

    // Done.
    yyError = yyError.select("throws clause expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Extension.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pExtension(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("extends")) {

      yyResult = pType(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyBase   = yyRepetition1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyResult = pType(yyResult.index);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
              continue;
            }
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }
          break;
        }
        { // Start scope for v$g$2.
          final Pair<Node> v$g$2 = yyRepValue1.reverse();

          yyValue = GNode.createFromPair("Extension", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyRepetition1, yyError);
        } // End scope for v$g$2.
      }
    }

    // Done.
    yyError = yyError.select("extension expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Implementation.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pImplementation(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("implements")) {

      yyResult = pType(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyBase   = yyRepetition1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyResult = pType(yyResult.index);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
              continue;
            }
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }
          break;
        }
        { // Start scope for v$g$2.
          final Pair<Node> v$g$2 = yyRepValue1.reverse();

          yyValue = GNode.createFromPair("Implementation", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyRepetition1, yyError);
        } // End scope for v$g$2.
      }
    }

    // Done.
    yyError = yyError.select("implementation expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Block.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pBlock(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fBlock) 
      yyColumn.chunk7.fBlock = pBlock$1(yyStart);
    return yyColumn.chunk7.fBlock;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.Block. */
  private Result pBlock$1(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <JavaBlock>.

    yyResult = pJavaInJavaBlock(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <CBlock>.

    yyResult = pCInJavaBlock(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.DeclarationOrStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$DeclarationOrStatement(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Declaration>.

    yyResult = pInBlockDeclaration(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Statement>.

    yyResult = pJeannieJava$Statement(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.InBlockDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pInBlockDeclaration(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Variable>.

    yyResult = pVariableDeclaration(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pModifiers(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyBase   = yyChoice1;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("class")) {

        yyResult = pJavaIdentifier$Identifier(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pExtension(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$4.
            final Node v$g$4 = yyOpValue1;

            yyOpValue1 = null;

            yyResult = pImplementation(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$2 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$2;
            }
            { // Start scope for v$g$5.
              final Node v$g$5 = yyOpValue1;

              yyResult = pClassBody(yyOption1);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {
                final Node v$g$6 = yyResult.semanticValue();

                yyValue = GNode.create("ClassDeclaration", v$g$1, v$g$2, null, v$g$4, v$g$5, v$g$6);
                yyValue.setLocation(location(yyStart));

                return yyResult.createValue(yyValue, yyError);
              }
            } // End scope for v$g$5.
          } // End scope for v$g$4.
        }
      } else {
        yyError = yyError.select("'class' expected", yyBase);
      }

      // Nested alternative 2.

      yyBase   = yyChoice1;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("interface")) {

        yyResult = pJavaIdentifier$Identifier(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pExtension(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$4.
            final Node v$g$4 = yyOpValue1;

            yyResult = pClassBody(yyOption1);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$5 = yyResult.semanticValue();

              yyValue = GNode.create("InterfaceDeclaration", v$g$1, v$g$2, null, v$g$4, v$g$5);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } // End scope for v$g$4.
        }
      } else {
        yyError = yyError.select("'interface' expected", yyBase);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.VariableDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pVariableDeclaration(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Declaration>.

    yyResult = pVariableModifiers(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pType(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyResult = pDeclarators(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$3 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(";")) {

            yyValue = GNode.create("FieldDeclaration", v$g$1, v$g$2, v$g$3);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("';' expected", yyBase);
          }
        }
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Statement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$Statement(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Pair<Node> yyRepValue1;
    int        yyOption1;
    Object     yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Block>.

    yyResult = pBlock(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 2.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("if")) {

      yyResult = pParExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyResult = pJeannieJava$Statement(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          final int yyChoice1 = yyResult.index;

          // Nested alternative 1.

          yyBase   = yyChoice1;
          yyResult = pJavaIdentifier$Word(yyBase);
          if (yyResult.hasValue("else")) {

            yyResult = pJeannieJava$Statement(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$3 = yyResult.semanticValue();

              yyValue = GNode.create("ConditionalStatement", v$g$1, v$g$2, v$g$3);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("'else' expected", yyBase);
          }

          // Nested alternative 2.

          yyValue = GNode.create("ConditionalStatement", v$g$1, v$g$2, null);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyChoice1, yyError);
        }
      }
    }

    // Alternative 3.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("for")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pBasicForControl(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyResult = pJeannieJava$Statement(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyValue = GNode.create("ForStatement", v$g$1, v$g$2);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Alternative 4.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("while")) {

      yyResult = pParExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyResult = pJeannieJava$Statement(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyValue = GNode.create("WhileStatement", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative 5.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("do")) {

      yyResult = pJeannieJava$Statement(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pJavaIdentifier$Word(yyBase);
        if (yyResult.hasValue("while")) {

          yyResult = pParExpression(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$2 = yyResult.semanticValue();

            yyBase   = yyResult.index;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue(";")) {

              yyValue = GNode.create("DoWhileStatement", v$g$1, v$g$2);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            } else {
              yyError = yyError.select("';' expected", yyBase);
            }
          }
        } else {
          yyError = yyError.select("'while' expected", yyBase);
        }
      }
    }

    // Alternative 6.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("try")) {

      yyResult = pBlock(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        final int yyChoice1 = yyResult.index;

        // Nested alternative 1.

        yyRepetition1 = yyChoice1;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyResult = pCatchClause(yyRepetition1);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
          break;
        }
        { // Start scope for v$g$2.
          final Pair<Node> v$g$2 = yyRepValue1.reverse();

          yyBase   = yyRepetition1;
          yyResult = pJavaIdentifier$Word(yyBase);
          if (yyResult.hasValue("finally")) {

            yyResult = pBlock(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$3 = yyResult.semanticValue();

              yyValue = GNode.create("TryCatchFinallyStatement", v$g$2.size() + 2).
                add(v$g$1).addAll(v$g$2).add(v$g$3);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("'finally' expected", yyBase);
          }
        } // End scope for v$g$2.

        // Nested alternative 2.

        yyRepetition1 = yyChoice1;
        yyRepeated1   = false;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyResult = pCatchClause(yyRepetition1);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$el$2 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepeated1   = true;
            yyRepValue1   = new Pair<Node>(v$el$2, yyRepValue1);
            continue;
          }
          break;
        }

        if (yyRepeated1) {
          final Pair<Node> v$g$4 = yyRepValue1.reverse();

          yyValue = GNode.create("TryCatchFinallyStatement", v$g$4.size() + 2).
            add(v$g$1).addAll(v$g$4).add(null);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyRepetition1, yyError);
        }
      }
    }

    // Alternative 7.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("switch")) {

      yyResult = pParExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("{")) {

          yyRepetition1 = yyResult.index;
          yyRepValue1   = Pair.empty();
          while (true) {

            yyResult = pSwitchClause(yyRepetition1);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
              continue;
            }
            break;
          }
          { // Start scope for v$g$2.
            final Pair<Node> v$g$2 = yyRepValue1.reverse();

            yyBase   = yyRepetition1;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue("}")) {

              yyValue = GNode.createFromPair("SwitchStatement", v$g$1, v$g$2);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            } else {
              yyError = yyError.select("'}' expected", yyBase);
            }
          } // End scope for v$g$2.
        } else {
          yyError = yyError.select("'{' expected", yyBase);
        }
      }
    }

    // Alternative 8.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("synchronized")) {

      yyResult = pParExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyResult = pBlock(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyValue = GNode.create("SynchronizedStatement", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative 9.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("return")) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pJeannieJava$Expression(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$1.
        final Node v$g$1 = cast(yyOpValue1);

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("ReturnStatement", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      } // End scope for v$g$1.
    }

    // Alternative 10.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("throw")) {

      yyResult = pJeannieJava$Expression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("ThrowStatement", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      }
    }

    // Alternative 11.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("break")) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pJavaIdentifier$Identifier(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final String v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$1.
        final String v$g$1 = cast(yyOpValue1);

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("BreakStatement", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      } // End scope for v$g$1.
    }

    // Alternative 12.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("continue")) {

      yyOption1  = yyResult.index;
      yyOpValue1 = null;

      yyResult = pJavaIdentifier$Identifier(yyOption1);
      yyError  = yyResult.select(yyError, yyOption1);
      if (yyResult.hasValue()) {
        final String v$el$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      }
      { // Start scope for v$g$1.
        final String v$g$1 = cast(yyOpValue1);

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("ContinueStatement", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      } // End scope for v$g$1.
    }

    // Alternative 13.

    yyResult = pJavaIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(":")) {

        yyResult = pJeannieJava$Statement(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyValue = GNode.create("LabeledStatement", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      } else {
        yyError = yyError.select("':' expected", yyBase);
      }
    }

    // Alternative 14.

    yyResult = pJeannieJava$Expression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(";")) {

        yyValue = GNode.create("ExpressionStatement", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("';' expected", yyBase);
      }
    }

    // Alternative 15.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("assert")) {

      yyResult = pJeannieJava$Expression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyBase   = yyOption1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(":")) {

          yyResult = pJeannieJava$Expression(yyResult.index);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
        } else {
          yyError = yyError.select("':' expected", yyBase);
        }
        { // Start scope for v$g$2.
          final Node v$g$2 = cast(yyOpValue1);

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(";")) {

            yyValue = GNode.create("AssertStatement", v$g$1, v$g$2);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("';' expected", yyBase);
          }
        } // End scope for v$g$2.
      }
    }

    // Alternative 16.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(";")) {

      yyValue = GNode.create("EmptyStatement", false);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("statement expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.BasicForControl.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pBasicForControl(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Declaration>.

    yyResult = pVariableModifiers(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pType(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyResult = pDeclarators(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$3 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(";")) {

            yyOption1  = yyResult.index;
            yyOpValue1 = null;

            yyResult = pJeannieJava$Expression(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$1;
            }
            { // Start scope for v$g$4.
              final Node v$g$4 = yyOpValue1;

              yyBase   = yyOption1;
              yyResult = pSymbol(yyBase);
              if (yyResult.hasValue(";")) {

                yyOption1  = yyResult.index;
                yyOpValue1 = null;

                yyResult = pJeannieJava$ExpressionList(yyOption1);
                yyError  = yyResult.select(yyError, yyOption1);
                if (yyResult.hasValue()) {
                  final Node v$el$2 = yyResult.semanticValue();

                  yyOption1  = yyResult.index;
                  yyOpValue1 = v$el$2;
                }
                { // Start scope for v$g$5.
                  final Node v$g$5 = yyOpValue1;

                  yyValue = GNode.create("BasicForControl", v$g$1, v$g$2, v$g$3, v$g$4, v$g$5);
                  yyValue.setLocation(location(yyStart));

                  return new SemanticValue(yyValue, yyOption1, yyError);
                } // End scope for v$g$5.
              } else {
                yyError = yyError.select("';' expected", yyBase);
              }
            } // End scope for v$g$4.
          } else {
            yyError = yyError.select("';' expected", yyBase);
          }
        }
      }
    }

    // Alternative <Initialization>.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pJeannieJava$ExpressionList(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {
      final Node v$el$3 = yyResult.semanticValue();

      yyOption1  = yyResult.index;
      yyOpValue1 = v$el$3;
    }
    { // Start scope for v$g$8.
      final Node v$g$8 = yyOpValue1;

      yyBase   = yyOption1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(";")) {

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pJeannieJava$Expression(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$4 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$4;
        }
        { // Start scope for v$g$9.
          final Node v$g$9 = yyOpValue1;

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(";")) {

            yyOption1  = yyResult.index;
            yyOpValue1 = null;

            yyResult = pJeannieJava$ExpressionList(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$5 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$5;
            }
            { // Start scope for v$g$10.
              final Node v$g$10 = yyOpValue1;

              yyValue = GNode.create("BasicForControl", null, null, v$g$8, v$g$9, v$g$10);
              yyValue.setLocation(location(yyStart));

              return new SemanticValue(yyValue, yyOption1, yyError);
            } // End scope for v$g$10.
          } else {
            yyError = yyError.select("';' expected", yyBase);
          }
        } // End scope for v$g$9.
      } else {
        yyError = yyError.select("';' expected", yyBase);
      }
    } // End scope for v$g$8.

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ParExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pParExpression(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fParExpression) 
      yyColumn.chunk7.fParExpression = pParExpression$1(yyStart);
    return yyColumn.chunk7.fParExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.ParExpression. */
  private Result pParExpression$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      yyResult = pJeannieJava$Expression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        yyValue = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("par expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.TryCatchFinallyStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pTryCatchFinallyStatement(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("try")) {

      yyResult = pBlock(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        final int yyChoice1 = yyResult.index;

        // Nested alternative 1.

        yyRepetition1 = yyChoice1;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyResult = pCatchClause(yyRepetition1);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
          break;
        }
        { // Start scope for v$g$2.
          final Pair<Node> v$g$2 = yyRepValue1.reverse();

          yyBase   = yyRepetition1;
          yyResult = pJavaIdentifier$Word(yyBase);
          if (yyResult.hasValue("finally")) {

            yyResult = pBlock(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$3 = yyResult.semanticValue();

              yyValue = GNode.create("TryCatchFinallyStatement", v$g$2.size() + 2).
                add(v$g$1).addAll(v$g$2).add(v$g$3);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("'finally' expected", yyBase);
          }
        } // End scope for v$g$2.

        // Nested alternative 2.

        yyRepetition1 = yyChoice1;
        yyRepeated1   = false;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyResult = pCatchClause(yyRepetition1);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$el$2 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepeated1   = true;
            yyRepValue1   = new Pair<Node>(v$el$2, yyRepValue1);
            continue;
          }
          break;
        }

        if (yyRepeated1) {
          final Pair<Node> v$g$4 = yyRepValue1.reverse();

          yyValue = GNode.create("TryCatchFinallyStatement", v$g$4.size() + 2).
            add(v$g$1).addAll(v$g$4).add(null);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyRepetition1, yyError);
        }
      }
    }

    // Done.
    yyError = yyError.select("try catch finally statement expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.CatchClause.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCatchClause(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fCatchClause) 
      yyColumn.chunk7.fCatchClause = pCatchClause$1(yyStart);
    return yyColumn.chunk7.fCatchClause;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.CatchClause. */
  private Result pCatchClause$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("catch")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("(")) {

        yyResult = pFormalParameter(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$1 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyResult = pBlock(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$2 = yyResult.semanticValue();

              yyValue = GNode.create("CatchClause", v$g$1, v$g$2);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'(' expected", yyBase);
      }
    }

    // Done.
    yyError = yyError.select("catch clause expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.SwitchClause.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSwitchClause(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("case")) {

      yyResult = pJeannieJava$Expression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(":")) {

          yyRepetition1 = yyResult.index;
          yyRepValue1   = Pair.empty();
          while (true) {

            yyResult = pJeannieJava$DeclarationOrStatement(yyRepetition1);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
              continue;
            }
            break;
          }
          { // Start scope for v$g$2.
            final Pair<Node> v$g$2 = yyRepValue1.reverse();

            yyValue = GNode.createFromPair("CaseClause", v$g$1, v$g$2);
            yyValue.setLocation(location(yyStart));

            return new SemanticValue(yyValue, yyRepetition1, yyError);
          } // End scope for v$g$2.
        } else {
          yyError = yyError.select("':' expected", yyBase);
        }
      }
    }

    // Alternative 2.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("default")) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(":")) {

        yyRepetition1 = yyResult.index;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyResult = pJeannieJava$DeclarationOrStatement(yyRepetition1);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
          break;
        }
        { // Start scope for v$g$1.
          final Pair<Node> v$g$1 = yyRepValue1.reverse();

          yyValue = GNode.createFromPair("DefaultClause", v$g$1);
          yyValue.setLocation(location(yyStart));

          return new SemanticValue(yyValue, yyRepetition1, yyError);
        } // End scope for v$g$1.
      } else {
        yyError = yyError.select("':' expected", yyBase);
      }
    }

    // Done.
    yyError = yyError.select("switch clause expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.SynchronizedStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pSynchronizedStatement(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("synchronized")) {

      yyResult = pParExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyResult = pBlock(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyValue = GNode.create("SynchronizedStatement", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Done.
    yyError = yyError.select("synchronized statement expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ThrowStatement.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pThrowStatement(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("throw")) {

      yyResult = pJeannieJava$Expression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(";")) {

          yyValue = GNode.create("ThrowStatement", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("';' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("throw statement expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ExpressionList.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$ExpressionList(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJeannieJava$Expression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyBase   = yyRepetition1;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(",")) {

          yyResult = pJeannieJava$Expression(yyResult.index);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
        } else {
          yyError = yyError.select("',' expected", yyBase);
        }
        break;
      }
      { // Start scope for v$g$2.
        final Pair<Node> v$g$2 = yyRepValue1.reverse();

        yyValue = GNode.createFromPair("ExpressionList", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$g$2.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Expression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$Expression(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fJeannieJava$Expression) 
      yyColumn.chunk7.fJeannieJava$Expression = pJeannieJava$Expression$1(yyStart);
    return yyColumn.chunk7.fJeannieJava$Expression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.Expression. */
  private Result pJeannieJava$Expression$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Assignment>.

    yyResult = pJeannieJava$ConditionalExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyResult = pJeannieJava$AssignmentOperator(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final String v$g$2 = yyResult.semanticValue();

        yyResult = pJeannieJava$Expression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$3 = yyResult.semanticValue();

          yyValue = GNode.create("Expression", v$g$1, v$g$2, v$g$3);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      }
    }

    // Alternative <Base>.

    yyResult = pJeannieJava$ConditionalExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.AssignmentOperator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$AssignmentOperator(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Equal>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("=")) {
      yyValue = "=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <PlusEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("+=")) {
      yyValue = "+=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <MinusEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("-=")) {
      yyValue = "-=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <StarEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("*=")) {
      yyValue = "*=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <SlashEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("/=")) {
      yyValue = "/=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <AmpersandEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("&=")) {
      yyValue = "&=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <BarEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("|=")) {
      yyValue = "|=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <CaretEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("^=")) {
      yyValue = "^=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <PercentEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("%=")) {
      yyValue = "%=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <DoubleLessEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("<<=")) {
      yyValue = "<<=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <DoubleGreaterEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">>=")) {
      yyValue = ">>=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <TripleGreaterEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">>>=")) {
      yyValue = ">>>=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("assignment operator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ConditionalExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$ConditionalExpression(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fJeannieJava$ConditionalExpression) 
      yyColumn.chunk7.fJeannieJava$ConditionalExpression = pJeannieJava$ConditionalExpression$1(yyStart);
    return yyColumn.chunk7.fJeannieJava$ConditionalExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.ConditionalExpression. */
  private Result pJeannieJava$ConditionalExpression$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Conditional>.

    yyResult = pJeannieJava$LogicalOrExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("?")) {

        yyResult = pJeannieJava$Expression(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyBase   = yyResult.index;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(":")) {

            yyResult = pJeannieJava$ConditionalExpression(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$3 = yyResult.semanticValue();

              yyValue = GNode.create("ConditionalExpression", v$g$1, v$g$2, v$g$3);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("':' expected", yyBase);
          }
        }
      } else {
        yyError = yyError.select("'?' expected", yyBase);
      }
    }

    // Alternative <Base>.

    yyResult = pJeannieJava$LogicalOrExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.LogicalOrExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$LogicalOrExpression(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fJeannieJava$LogicalOrExpression) 
      yyColumn.chunk7.fJeannieJava$LogicalOrExpression = pJeannieJava$LogicalOrExpression$1(yyStart);
    return yyColumn.chunk7.fJeannieJava$LogicalOrExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.LogicalOrExpression. */
  private Result pJeannieJava$LogicalOrExpression$1(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$LogicalAndExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$LogicalOrExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.LogicalOrExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$LogicalOrExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Or>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("||")) {

      yyResult = pJeannieJava$LogicalAndExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("LogicalOrExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("logical or expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.LogicalAndExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$LogicalAndExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$BitwiseOrExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$LogicalAndExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.LogicalAndExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$LogicalAndExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <And>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("&&")) {

      yyResult = pJeannieJava$BitwiseOrExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("LogicalAndExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("logical and expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.BitwiseOrExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$BitwiseOrExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$BitwiseXorExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$BitwiseOrExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.BitwiseOrExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$BitwiseOrExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Or>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("|")) {

      yyResult = pJeannieJava$BitwiseXorExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("BitwiseOrExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("bitwise or expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.BitwiseXorExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$BitwiseXorExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$BitwiseAndExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$BitwiseXorExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.BitwiseXorExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$BitwiseXorExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Xor>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("^")) {

      yyResult = pJeannieJava$BitwiseAndExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("BitwiseXorExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("bitwise xor expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.BitwiseAndExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$BitwiseAndExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$EqualityExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$BitwiseAndExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$3 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$3, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$4.
        final Pair<Action<Node>> v$4 = yyRepValue1.reverse();

        yyValue = apply(v$4, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$4.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.BitwiseAndExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$BitwiseAndExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <And>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("&")) {

      yyResult = pJeannieJava$EqualityExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("BitwiseAndExpression", v$1, v$g$2);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    yyError = yyError.select("bitwise and expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.EqualityExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$EqualityExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pInstanceOfExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$EqualityExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.EqualityExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$EqualityExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Recursion>.

    yyResult = p$$Shared7(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pInstanceOfExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("EqualityExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.InstanceOfExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pInstanceOfExpression(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Instanceof>.

    yyResult = pJeannieJava$RelationalExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("instanceof")) {

        yyResult = pType(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyValue = GNode.create("InstanceOfExpression", v$g$1, v$g$2);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      } else {
        yyError = yyError.select("'instanceof' expected", yyBase);
      }
    }

    // Alternative <Base>.

    yyResult = pJeannieJava$RelationalExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.RelationalExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$RelationalExpression(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk7) yyColumn.chunk7 = new Chunk7();
    if (null == yyColumn.chunk7.fJeannieJava$RelationalExpression) 
      yyColumn.chunk7.fJeannieJava$RelationalExpression = pJeannieJava$RelationalExpression$1(yyStart);
    return yyColumn.chunk7.fJeannieJava$RelationalExpression;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.RelationalExpression. */
  private Result pJeannieJava$RelationalExpression$1(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$ShiftExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$RelationalExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.RelationalExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$RelationalExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Recursion>.

    yyResult = pJeannieJava$RelationalOperator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pJeannieJava$ShiftExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("RelationalExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.RelationalOperator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$RelationalOperator(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Less>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("<")) {
      yyValue = "<";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Greater>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">")) {
      yyValue = ">";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <LessEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("<=")) {
      yyValue = "<=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <GreaterEqual>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">=")) {
      yyValue = ">=";

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("relational operator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ShiftExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$ShiftExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$AdditiveExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$ShiftExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.ShiftExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$ShiftExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Recursion>.

    yyResult = pJeannieJava$ShiftOperator(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pJeannieJava$AdditiveExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("ShiftExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ShiftOperator.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$ShiftOperator(final int yyStart) 
    throws IOException {

    Result     yyResult;
    String     yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Left>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("<<")) {
      yyValue = "<<";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Right>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">>")) {
      yyValue = ">>";

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <UnsignedRight>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(">>>")) {
      yyValue = ">>>";

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("shift operator expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.AdditiveExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$AdditiveExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$MultiplicativeExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$AdditiveExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.AdditiveExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$AdditiveExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Recursion>.

    yyResult = p$$Shared8(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pJeannieJava$MultiplicativeExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("AdditiveExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.MultiplicativeExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$MultiplicativeExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$UnaryExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = 
          pJeannieJava$MultiplicativeExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$4 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$4, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$5.
        final Pair<Action<Node>> v$5 = yyRepValue1.reverse();

        yyValue = apply(v$5, yyValue, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$5.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.MultiplicativeExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$MultiplicativeExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative <Times>.

    yyResult = p$$Shared9(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$2 = yyResult.semanticValue();

      yyResult = pJeannieJava$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("MultiplicativeExpression", v$1, v$g$2, v$g$3);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.UnaryExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$UnaryExpression(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Plus>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("+")) {
      final String v$g$1 = "+";

      yyResult = pJeannieJava$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$2 = yyResult.semanticValue();

        yyValue = GNode.create("UnaryExpression", v$g$1, v$g$2);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <Minus>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("-")) {
      final String v$g$3 = "-";

      yyResult = pJeannieJava$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$4 = yyResult.semanticValue();

        yyValue = GNode.create("UnaryExpression", v$g$3, v$g$4);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <Increment>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("++")) {
      final String v$g$5 = "++";

      yyResult = pJeannieJava$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$6 = yyResult.semanticValue();

        yyValue = GNode.create("UnaryExpression", v$g$5, v$g$6);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <Decrement>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("--")) {
      final String v$g$7 = "--";

      yyResult = pJeannieJava$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$8 = yyResult.semanticValue();

        yyValue = GNode.create("UnaryExpression", v$g$7, v$g$8);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <Base>.

    yyResult = pUnaryExpressionNotPlusMinus(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("unary expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal 
   * xtc.lang.jeannie.JeannieJava.UnaryExpressionNotPlusMinus.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pUnaryExpressionNotPlusMinus(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("~")) {

      yyResult = pJeannieJava$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("BitwiseNegationExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <CInJavaExpression>.

    yyResult = pCInJavaExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 3.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("!")) {

      yyResult = pJeannieJava$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("LogicalNegationExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 4.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyResult = pPrimitiveType(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyOption1  = yyResult.index;
        yyOpValue1 = null;

        yyResult = pDimensions(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$1 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$1;
        }
        { // Start scope for v$g$2.
          final Node v$g$2 = yyOpValue1;

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyResult = pJeannieJava$UnaryExpression(yyResult.index);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$3 = yyResult.semanticValue();

              yyValue = GNode.create("BasicCastExpression", v$g$1, v$g$2, v$g$3);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            }
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        } // End scope for v$g$2.
      }

      // Nested alternative 2.

      yyResult = pType(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          yyResult = pUnaryExpressionNotPlusMinus(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$2 = yyResult.semanticValue();

            yyValue = GNode.create("CastExpression", v$g$1, v$g$2);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          }
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      }
    }

    // Alternative <Base>.

    yyResult = pJeannieJava$PostfixExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    yyError = yyError.select("unary expression not plus minus expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.PostfixExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$PostfixExpression(final int yyStart) 
    throws IOException {

    Result             yyResult;
    int                yyRepetition1;
    Pair<Action<Node>> yyRepValue1;
    Node               yyValue;
    ParseError         yyError = ParseError.DUMMY;

    // Alternative <Base>.

    yyResult = pJeannieJava$PrimaryExpression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$15 = yyResult.semanticValue();

      yyRepetition1 = yyResult.index;
      yyRepValue1   = Pair.empty();
      while (true) {

        yyResult = pJeannieJava$PostfixExpression$$Tail1(yyRepetition1);
        yyError  = yyResult.select(yyError, yyRepetition1);
        if (yyResult.hasValue()) {
          final Action<Node> v$16 = yyResult.semanticValue();

          yyRepetition1 = yyResult.index;
          yyRepValue1   = new Pair<Action<Node>>(v$16, yyRepValue1);
          continue;
        }
        break;
      }
      { // Start scope for v$17.
        final Pair<Action<Node>> v$17 = yyRepValue1.reverse();

        yyValue = apply(v$17, v$g$15, yyStart);

        return new SemanticValue(yyValue, yyRepetition1, yyError);
      } // End scope for v$17.
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal JeannieJava.PostfixExpression$$Tail1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$PostfixExpression$$Tail1(final int yyStart) 
    throws IOException {

    Result       yyResult;
    int          yyBase;
    int          yyOption1;
    Node         yyOpValue1;
    Action<Node> yyValue;
    ParseError   yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(".")) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.
      { // Start scope for nested choice.

        final int yyChoice2 = yyChoice1;

        // Nested alternative 1.

        yyResult = pJavaIdentifier$Identifier(yyChoice2);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$3 = yyResult.semanticValue();

          yyResult = pArguments(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$4 = yyResult.semanticValue();

            yyValue = new Action<Node>() {
              public Node run(Node v$1) {
                return GNode.create("CallExpression", v$1, null, v$g$3, v$g$4);
              }};

            return yyResult.createValue(yyValue, yyError);
          }
        }

        // Nested alternative 2.

        yyBase   = yyChoice2;
        yyResult = pJavaIdentifier$Word(yyBase);
        if (yyResult.hasValue("super")) {
          final String v$g$5 = "super";

          yyResult = pArguments(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$6 = yyResult.semanticValue();

            yyValue = new Action<Node>() {
              public Node run(Node v$1) {
                return GNode.create("CallExpression", v$1, null, v$g$5, v$g$6);
              }};

            return yyResult.createValue(yyValue, yyError);
          }
        } else {
          yyError = yyError.select("'super' expected", yyBase);
        }
      } // End scope for nested choice.

      // Nested alternative 2.

      yyBase   = yyChoice1;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("super")) {

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("SuperExpression", v$1);
          }};

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("'super' expected", yyBase);
      }

      // Nested alternative 3.

      yyResult = pJavaIdentifier$Identifier(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final String v$g$7 = yyResult.semanticValue();

        yyValue = new Action<Node>() {
          public Node run(Node v$1) {
            return GNode.create("SelectionExpression", v$1, v$g$7);
          }};

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 2.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("[")) {

      yyResult = pJeannieJava$Expression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$8 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("]")) {

          yyValue = new Action<Node>() {
            public Node run(Node v$1) {
              return GNode.create("SubscriptExpression", v$1, v$g$8);
            }};

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("']' expected", yyBase);
        }
      }
    }

    // Alternative 3.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("++")) {
      final String v$g$9 = "++";

      yyValue = new Action<Node>() {
        public Node run(Node v$1) {
          return GNode.create("PostfixExpression", v$1, v$g$9);
        }};

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 4.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("--")) {
      final String v$g$10 = "--";

      yyValue = new Action<Node>() {
        public Node run(Node v$1) {
          return GNode.create("PostfixExpression", v$1, v$g$10);
        }};

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative 5.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue(".")) {

      yyBase   = yyResult.index;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("new")) {

        yyResult = pJavaType$TypeName(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$12 = yyResult.semanticValue();

          yyResult = pArguments(yyResult.index);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$13 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = null;

            yyResult = pClassBody(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$1;
            }
            { // Start scope for v$g$14.
              final Node v$g$14 = yyOpValue1;

              yyValue = new Action<Node>() {
                public Node run(Node v$1) {
                  return GNode.create("NewClassExpression", v$1, null, v$g$12, v$g$13, v$g$14);
                }};

              return new SemanticValue(yyValue, yyOption1, yyError);
            } // End scope for v$g$14.
          }
        }
      } else {
        yyError = yyError.select("'new' expected", yyBase);
      }
    }

    // Done.
    yyError = yyError.select("postfix expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.PrimaryExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$PrimaryExpression(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Literal>.

    yyResult = pLiteral(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Expression>.

    yyResult = pJavaIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$3 = yyResult.semanticValue();

      yyResult = pArguments(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$4 = yyResult.semanticValue();

        yyValue = GNode.create("CallExpression", null, null, v$g$3, v$g$4);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <Expression>.

    yyResult = pResultType(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(".")) {

        yyBase   = yyResult.index;
        yyResult = pJavaIdentifier$Word(yyBase);
        if (yyResult.hasValue("class")) {

          yyValue = GNode.create("ClassLiteralExpression", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("'class' expected", yyBase);
        }
      } else {
        yyError = yyError.select("'.' expected", yyBase);
      }
    }

    // Alternative <Expression>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("this")) {
      final String v$g$3 = "this";

      yyResult = pArguments(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$4 = yyResult.semanticValue();

        yyValue = GNode.create("CallExpression", null, null, v$g$3, v$g$4);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative <Expression>.

    yyOption1  = yyStart;
    yyOpValue1 = null;

    yyResult = pQualifiedIdentifier(yyOption1);
    yyError  = yyResult.select(yyError, yyOption1);
    if (yyResult.hasValue()) {
      final Node v$el$1 = yyResult.semanticValue();

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(".")) {

        yyOption1  = yyResult.index;
        yyOpValue1 = v$el$1;
      } else {
        yyError = yyError.select("'.' expected", yyBase);
      }
    }
    { // Start scope for v$g$1.
      final Node v$g$1 = yyOpValue1;

      yyBase   = yyOption1;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("this")) {

        yyValue = GNode.create("ThisExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("'this' expected", yyBase);
      }
    } // End scope for v$g$1.

    // Alternative 6.
    { // Start scope for nested choice.

      final int yyChoice1 = yyStart;

      // Nested alternative 1.

      yyResult = pJavaIdentifier$Word(yyChoice1);
      if (yyResult.hasValue("super")) {
        final String v$g$3 = "super";

        yyResult = pArguments(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$4 = yyResult.semanticValue();

          yyValue = GNode.create("CallExpression", null, null, v$g$3, v$g$4);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        }
      }

      // Nested alternative 2.

      yyBase   = yyChoice1;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("super")) {

        yyValue = GNode.create("SuperExpression", null);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("'super' expected", yyBase);
      }
    } // End scope for nested choice.

    // Alternative 7.

    yyResult = pJavaIdentifier$Identifier(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final String v$g$1 = yyResult.semanticValue();

      yyValue = GNode.create("PrimaryIdentifier", v$g$1);
      yyValue.setLocation(location(yyStart));

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Expression>.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("new")) {

      yyResult = pJavaType$TypeName(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$3 = yyResult.semanticValue();

        yyResult = pArguments(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$4 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pClassBody(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$5.
            final Node v$g$5 = yyOpValue1;

            yyValue = GNode.create("NewClassExpression", null, null, v$g$3, v$g$4, v$g$5);
            yyValue.setLocation(location(yyStart));

            return new SemanticValue(yyValue, yyOption1, yyError);
          } // End scope for v$g$5.
        }
      }
    }

    // Alternative 9.

    yyResult = pJavaIdentifier$Word(yyStart);
    if (yyResult.hasValue("new")) {

      yyResult = pJavaType$TypeName(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        final int yyChoice1 = yyResult.index;

        // Nested alternative 1.

        yyResult = pConcreteDimensions(yyChoice1);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final Node v$g$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pDimensions(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$3.
            final Node v$g$3 = yyOpValue1;

            yyValue = GNode.create("NewArrayExpression", v$g$1, v$g$2, v$g$3, null);
            yyValue.setLocation(location(yyStart));

            return new SemanticValue(yyValue, yyOption1, yyError);
          } // End scope for v$g$3.
        }

        // Nested alternative 2.

        yyOption1  = yyChoice1;
        yyOpValue1 = null;

        yyResult = pDimensions(yyOption1);
        yyError  = yyResult.select(yyError, yyOption1);
        if (yyResult.hasValue()) {
          final Node v$el$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = v$el$2;
        }
        { // Start scope for v$g$6.
          final Node v$g$6 = yyOpValue1;

          yyResult = pArrayInitializer(yyOption1);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$7 = yyResult.semanticValue();

            yyValue = GNode.create("NewArrayExpression", v$g$1, null, v$g$6, v$g$7);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          }
        } // End scope for v$g$6.
      }
    }

    // Alternative <Nested>.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      yyResult = pJeannieJava$Expression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        yyValue = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue(")")) {

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("')' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("primary expression expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ConcreteDimensions.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pConcreteDimensions(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyRepetition1;
    boolean    yyRepeated1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepeated1   = false;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pConcreteDimension(yyRepetition1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepeated1   = true;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }

    if (yyRepeated1) {
      final Pair<Node> v$g$1 = yyRepValue1.reverse();

      yyValue = GNode.createFromPair("ConcreteDimensions", v$g$1);
      yyValue.setLocation(location(yyStart));

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ConcreteDimension.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pConcreteDimension(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("[")) {

      yyResult = pJeannieJava$Expression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        yyValue = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("]")) {

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("']' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("concrete dimension expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.ArrayInitializer.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pArrayInitializer(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    int        yyOption1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("{")) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyResult = pVariableInitializer(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyBase   = yyRepetition1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyResult = pVariableInitializer(yyResult.index);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
              continue;
            }
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }
          break;
        }
        { // Start scope for v$g$2.
          final Pair<Node> v$g$2 = yyRepValue1.reverse();

          yyOption1  = yyRepetition1;

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyOption1  = yyResult.index;
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }

          yyBase   = yyOption1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue("}")) {

            yyValue = GNode.createFromPair("ArrayInitializer", v$g$1, v$g$2);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("'}' expected", yyBase);
          }
        } // End scope for v$g$2.
      }

      // Nested alternative 2.

      yyOption1  = yyChoice1;

      yyBase   = yyOption1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(",")) {

        yyOption1  = yyResult.index;
      } else {
        yyError = yyError.select("',' expected", yyBase);
      }

      yyBase   = yyOption1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("}")) {

        yyValue = GNode.create("ArrayInitializer", false);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("'}' expected", yyBase);
      }
    }

    // Done.
    yyError = yyError.select("array initializer expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.VariableInitializer.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pVariableInitializer(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk8) yyColumn.chunk8 = new Chunk8();
    if (null == yyColumn.chunk8.fVariableInitializer) 
      yyColumn.chunk8.fVariableInitializer = pVariableInitializer$1(yyStart);
    return yyColumn.chunk8.fVariableInitializer;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.VariableInitializer. */
  private Result pVariableInitializer$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative <Array>.

    yyResult = pArrayInitializer(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Alternative <Expression>.

    yyResult = pJeannieJava$Expression(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      yyValue = yyResult.semanticValue();

      return yyResult.createValue(yyValue, yyError);
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.Arguments.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pArguments(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("(")) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyResult = pJeannieJava$Expression(yyChoice1);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyBase   = yyRepetition1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(",")) {

            yyResult = pJeannieJava$Expression(yyResult.index);
            yyError  = yyResult.select(yyError, yyRepetition1);
            if (yyResult.hasValue()) {
              final Node v$el$1 = yyResult.semanticValue();

              yyRepetition1 = yyResult.index;
              yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
              continue;
            }
          } else {
            yyError = yyError.select("',' expected", yyBase);
          }
          break;
        }
        { // Start scope for v$g$2.
          final Pair<Node> v$g$2 = yyRepValue1.reverse();

          yyBase   = yyRepetition1;
          yyResult = pSymbol(yyBase);
          if (yyResult.hasValue(")")) {

            yyValue = GNode.createFromPair("Arguments", v$g$1, v$g$2);
            yyValue.setLocation(location(yyStart));

            return yyResult.createValue(yyValue, yyError);
          } else {
            yyError = yyError.select("')' expected", yyBase);
          }
        } // End scope for v$g$2.
      }

      // Nested alternative 2.

      yyBase   = yyChoice1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(")")) {

        yyValue = GNode.create("Arguments", false);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      } else {
        yyError = yyError.select("')' expected", yyBase);
      }
    }

    // Done.
    yyError = yyError.select("arguments expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.CInJava.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCInJava(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk8) yyColumn.chunk8 = new Chunk8();
    if (null == yyColumn.chunk8.fCInJava) 
      yyColumn.chunk8.fCInJava = pCInJava$1(yyStart);
    return yyColumn.chunk8.fCInJava;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.CInJava. */
  private Result pCInJava$1(final int yyStart) throws IOException {
    int        yyC;
    int        yyIndex;
    Result     yyResult;
    int        yyBase;
    Void       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("`")) {

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyBase   = yyChoice1;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue(".")) {

        yyBase = yyResult.index;
        yyC    = character(yyBase);
        if ('C' == yyC) {
          yyIndex = yyResult.index + 1;

          yyResult = pSpacing(yyIndex);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {

            yyValue = null;

            return yyResult.createValue(yyValue, yyError);
          }
        } else {
          yyError = yyError.select("'C' expected", yyBase);
        }
      } else {
        yyError = yyError.select("'.' expected", yyBase);
      }

      // Nested alternative 2.

      yyValue = null;

      return new SemanticValue(yyValue, yyChoice1, yyError);
    }

    // Done.
    yyError = yyError.select("c in java expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.JavaInJavaBlock.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaInJavaBlock(final int yyStart) throws IOException {
    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk8) yyColumn.chunk8 = new Chunk8();
    if (null == yyColumn.chunk8.fJavaInJavaBlock) 
      yyColumn.chunk8.fJavaInJavaBlock = pJavaInJavaBlock$1(yyStart);
    return yyColumn.chunk8.fJavaInJavaBlock;
  }

  /** Actually parse xtc.lang.jeannie.JeannieJava.JavaInJavaBlock. */
  private Result pJavaInJavaBlock$1(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pSymbol(yyStart);
    if (yyResult.hasValue("{")) {

      yyResult = pJavaInJavaBlock$$Star1(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<Node> v$g$1 = yyResult.semanticValue();

        yyBase   = yyResult.index;
        yyResult = pSymbol(yyBase);
        if (yyResult.hasValue("}")) {

          yyValue = GNode.createFromPair("JavaInJavaBlock", v$g$1);
          yyValue.setLocation(location(yyStart));

          return yyResult.createValue(yyValue, yyError);
        } else {
          yyError = yyError.select("'}' expected", yyBase);
        }
      }
    }

    // Done.
    yyError = yyError.select("java in java block expected", yyStart);
    return yyError;
  }

  // =========================================================================

  /**
   * Parse synthetic nonterminal 
   * xtc.lang.jeannie.Jeannie.JavaInJavaBlock$$Star1.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJavaInJavaBlock$$Star1(final int yyStart) 
    throws IOException {

    JeannieParserColumn yyColumn = (JeannieParserColumn)column(yyStart);
    if (null == yyColumn.chunk8) yyColumn.chunk8 = new Chunk8();
    if (null == yyColumn.chunk8.fJavaInJavaBlock$$Star1) 
      yyColumn.chunk8.fJavaInJavaBlock$$Star1 = pJavaInJavaBlock$$Star1$1(yyStart);
    return yyColumn.chunk8.fJavaInJavaBlock$$Star1;
  }

  /** Actually parse xtc.lang.jeannie.Jeannie.JavaInJavaBlock$$Star1. */
  private Result pJavaInJavaBlock$$Star1$1(final int yyStart) 
    throws IOException {

    Result     yyResult;
    Pair<Node> yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pJeannieJava$DeclarationOrStatement(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$el$1 = yyResult.semanticValue();

      yyResult = pJavaInJavaBlock$$Star1(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Pair<Node> v$2 = yyResult.semanticValue();

        yyValue = new Pair<Node>(v$el$1, v$2);

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Alternative 2.

    yyValue = Pair.empty();

    return new SemanticValue(yyValue, yyStart, yyError);
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.CInJavaBlock.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCInJavaBlock(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCInJava(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyResult = pCInCBlock(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("CInJavaBlock", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.CInJavaExpression.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCInJavaExpression(final int yyStart) throws IOException {
    Result     yyResult;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCInJava(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyResult = pJeannieC$UnaryExpression(yyResult.index);
      yyError  = yyResult.select(yyError);
      if (yyResult.hasValue()) {
        final Node v$g$1 = yyResult.semanticValue();

        yyValue = GNode.create("CInJavaExpression", v$g$1);
        yyValue.setLocation(location(yyStart));

        return yyResult.createValue(yyValue, yyError);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.JavaImports.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pJeannieJava$JavaImports(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyRepetition1 = yyStart;
    yyRepValue1   = Pair.empty();
    while (true) {

      yyResult = pImportDeclaration(yyRepetition1);
      yyError  = yyResult.select(yyError, yyRepetition1);
      if (yyResult.hasValue()) {
        final Node v$el$1 = yyResult.semanticValue();

        yyRepetition1 = yyResult.index;
        yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
        continue;
      }
      break;
    }
    { // Start scope for v$g$1.
      final Pair<Node> v$g$1 = yyRepValue1.reverse();

      yyValue = GNode.createFromPair("JavaImports", v$g$1);
      yyValue.setLocation(location(yyStart));

      return new SemanticValue(yyValue, yyRepetition1, yyError);
    } // End scope for v$g$1.
  }

  // =========================================================================

  /**
   * Parse nonterminal 
   * xtc.lang.jeannie.JeannieJava.ClassOrInterfaceDeclaration.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pClassOrInterfaceDeclaration(final int yyStart) 
    throws IOException {

    Result     yyResult;
    int        yyBase;
    int        yyOption1;
    Node       yyOpValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Start a state modification.
    yyState.start();

    // Alternative 1.

    yyResult = pModifiers(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {
      final Node v$g$1 = yyResult.semanticValue();

      final int yyChoice1 = yyResult.index;

      // Nested alternative 1.

      yyBase   = yyChoice1;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("class")) {

        yyResult = pJavaIdentifier$Identifier(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pExtension(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$4.
            final Node v$g$4 = yyOpValue1;

            yyOpValue1 = null;

            yyResult = pImplementation(yyOption1);
            yyError  = yyResult.select(yyError, yyOption1);
            if (yyResult.hasValue()) {
              final Node v$el$2 = yyResult.semanticValue();

              yyOption1  = yyResult.index;
              yyOpValue1 = v$el$2;
            }
            { // Start scope for v$g$5.
              final Node v$g$5 = yyOpValue1;

              yyResult = pClassBody(yyOption1);
              yyError  = yyResult.select(yyError);
              if (yyResult.hasValue()) {
                final Node v$g$6 = yyResult.semanticValue();

                yyValue = GNode.create("ClassDeclaration", v$g$1, v$g$2, null, v$g$4, v$g$5, v$g$6);
                yyValue.setLocation(location(yyStart));

                // Commit the state modification.
                yyState.commit();

                return yyResult.createValue(yyValue, yyError);
              }
            } // End scope for v$g$5.
          } // End scope for v$g$4.
        }
      } else {
        yyError = yyError.select("'class' expected", yyBase);
      }

      // Nested alternative 2.

      yyBase   = yyChoice1;
      yyResult = pJavaIdentifier$Word(yyBase);
      if (yyResult.hasValue("interface")) {

        yyResult = pJavaIdentifier$Identifier(yyResult.index);
        yyError  = yyResult.select(yyError);
        if (yyResult.hasValue()) {
          final String v$g$2 = yyResult.semanticValue();

          yyOption1  = yyResult.index;
          yyOpValue1 = null;

          yyResult = pExtension(yyOption1);
          yyError  = yyResult.select(yyError, yyOption1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyOption1  = yyResult.index;
            yyOpValue1 = v$el$1;
          }
          { // Start scope for v$g$4.
            final Node v$g$4 = yyOpValue1;

            yyResult = pClassBody(yyOption1);
            yyError  = yyResult.select(yyError);
            if (yyResult.hasValue()) {
              final Node v$g$5 = yyResult.semanticValue();

              yyValue = GNode.create("InterfaceDeclaration", v$g$1, v$g$2, null, v$g$4, v$g$5);
              yyValue.setLocation(location(yyStart));

              // Commit the state modification.
              yyState.commit();

              return yyResult.createValue(yyValue, yyError);
            }
          } // End scope for v$g$4.
        }
      } else {
        yyError = yyError.select("'interface' expected", yyBase);
      }
    }

    // Abort the state modification.
    yyState.abort();

    // Done.
    return yyError;
  }

  // =========================================================================

  /**
   * Parse nonterminal xtc.lang.jeannie.JeannieJava.CDeclarations.
   *
   * @param yyStart The index.
   * @return The result.
   * @throws IOException Signals an I/O error.
   */
  private Result pCDeclarations(final int yyStart) throws IOException {
    Result     yyResult;
    int        yyBase;
    int        yyRepetition1;
    Pair<Node> yyRepValue1;
    Node       yyValue;
    ParseError yyError = ParseError.DUMMY;

    // Alternative 1.

    yyResult = pCInJava(yyStart);
    yyError  = yyResult.select(yyError);
    if (yyResult.hasValue()) {

      yyBase   = yyResult.index;
      yyResult = pSymbol(yyBase);
      if (yyResult.hasValue("{")) {

        yyRepetition1 = yyResult.index;
        yyRepValue1   = Pair.empty();
        while (true) {

          yyResult = pExternalDeclaration(yyRepetition1);
          yyError  = yyResult.select(yyError, yyRepetition1);
          if (yyResult.hasValue()) {
            final Node v$el$1 = yyResult.semanticValue();

            yyRepetition1 = yyResult.index;
            yyRepValue1   = new Pair<Node>(v$el$1, yyRepValue1);
            continue;
          }
          break;
        }
        { // Start scope for v$g$1.
          final Pair<Node> v$g$1 = yyRepValue1.reverse();

          yyResult = pAnnotations(yyRepetition1);
          yyError  = yyResult.select(yyError);
          if (yyResult.hasValue()) {
            final Node v$g$2 = yyResult.semanticValue();

            yyBase   = yyResult.index;
            yyResult = pSymbol(yyBase);
            if (yyResult.hasValue("}")) {

              yyValue = GNode.create("CDeclarations", v$g$1.size() + 1).
                addAll(v$g$1).add(v$g$2);
              yyValue.setLocation(location(yyStart));

              return yyResult.createValue(yyValue, yyError);
            } else {
              yyError = yyError.select("'}' expected", yyBase);
            }
          }
        } // End scope for v$g$1.
      } else {
        yyError = yyError.select("'{' expected", yyBase);
      }
    }

    // Done.
    return yyError;
  }

  // =========================================================================

  static {
    add(JAVA_KEYWORDS, new String[] {
      "abstract",  "continue",  "for",         "new",        "switch",
      "assert",    "default",   "if",          "package",    "synchronized",
      "boolean",   "do",        "goto",        "private",    "this",
      "break",     "double",    "implements",  "protected",  "throw",
      "byte",      "else",      "import",      "public",     "throws",
      "case",                   "instanceof",  "return",     "transient",
      "catch",     "extends",   "int",         "short",      "try",
      "char",      "final",     "interface",   "static",     "void",
      "class",     "finally",   "long",        "strictfp",   "volatile",
      "const",     "float",     "native",      "super",      "while"
    });
  }
  static {
    add(C_KEYWORDS, new String[] { "_cancel", "_commit", "_with" });
  }
  static {
    add(C_KEYWORDS, new String[] {
      "auto",       "break",      "case",       "char",
      "const",      "continue",   "default",    "do",
      "double",     "else",       "enum",       "extern",
      "float",      "for",        "goto",       "if",
      "int",        "long",       "register",   "return",
      "short",      "signed",     "sizeof",     "static",
      "struct",     "switch",     "typedef",    "union",
      "unsigned",   "void",       "volatile",   "while"
    });
    
    if (C99) add(C_KEYWORDS, new String[] {
      "_Bool",      "_Complex",   "inline",
      "restrict"
    });
    
    if (GCC) add(C_KEYWORDS, new String[] {
      "__alignof",   "__alignof__",
      "asm",         "__asm",         "__asm__",
      "__attribute", "__attribute__",
      "__builtin_offsetof",
      "__builtin_types_compatible_p",
      "__builtin_va_arg",             "__builtin_va_list",
      "__complex__",
      "__const",     "__const__",
      "__extension__",
      "__inline",    "__inline__",
      "__label__",
      "__restrict",  "__restrict__",
      "__signed",    "__signed__",
      "__thread",
      "typeof",      "__typeof",      "__typeof__",
      "__volatile",  "__volatile__"
    });
    
  }

  // =========================================================================

  /**
   * Get the specified text.
   *
   * @param s The text.
   * @return The text.
   */
  protected static final String toText(String s) {
    return s;
  }

  // =========================================================================

  /**
   * Add the specified values to the specified set.
   *
   * @param set The set.
   * @param values The new values.
   */
  protected static final <T> void add(Set<T> set, T[] values) {
    for (T v : values) set.add(v);
  }

  /**
   * Check whether the specified set contains the specified value.
   *
   * @param set The set.
   * @param value The value.
   * @return <code>true</code> if the set contains the value.
   */
  protected static final <T> boolean contains(Set<T> set, T value) {
    return set.contains(value);
  }

  // =========================================================================

  /**
   * Parse the specified files.
   *
   * @param args The file names.
   */
  public static void main(String[] args) {
    if ((null == args) || (0 == args.length)) {
      System.err.println("Usage: <file-name>+");

    } else {
      for (int i=0; i<args.length; i++) {
        System.err.println("Processing " + args[i] + " ...");

        Reader          in = null;
        try {
          in               = new BufferedReader(new FileReader(args[i]));
          JeannieParser p  = 
            new JeannieParser(in, args[i], (int)new File(args[i]).length());
          Result        r  = p.pFile(0);

          if (r.hasValue()) {
            SemanticValue v = (SemanticValue)r;

            if (v.value instanceof Node) {
              Printer ptr = new
                Printer(new BufferedWriter(new OutputStreamWriter(System.out)));
              ptr.format((Node)v.value).pln().flush();
            } else {
              System.out.println(v.value.toString());
            }

          } else {
            ParseError err = (ParseError)r;
            if (-1 == err.index) {
              System.err.println("  Parse error");
            } else {
              System.err.println("  " + p.location(err.index) + ": " + err.msg);
            }
          }

        } catch (Throwable x) {
          while (null != x.getCause()) {
            x = x.getCause();
          }
          x.printStackTrace();
        } finally {
          try {
            in.close();
          } catch (Throwable x) {
            /* Ignore. */
          }
        }
      }
    }
  }

}
