qt-creator/src/libs/glsl/glslparser.cpp

#line 399 "glsl.g"

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/

#include "glslparser.h"
#include "glslengine.h"
#include <iostream>
#include <cstdio>
#include <cassert>
#include <QtCore/QDebug>

using namespace GLSL;

Parser::Parser(Engine *engine, const char *source, unsigned size, int variant)
    : _engine(engine), _tos(-1), _index(0), yyloc(-1), yytoken(-1), yyrecovering(0), _recovered(false)
{
    _tokens.reserve(1024);

    _stateStack.resize(128);
    _locationStack.resize(128);
    _symStack.resize(128);

    _tokens.push_back(Token()); // invalid token

    std::stack<int> parenStack;
    std::stack<int> bracketStack;
    std::stack<int> braceStack;

    Lexer lexer(engine, source, size);
    lexer.setVariant(variant);
    Token tk;
    do {
        lexer.yylex(&tk);

        switch (tk.kind) {
        case T_LEFT_PAREN:
            parenStack.push(_tokens.size());
            break;
        case T_LEFT_BRACKET:
            bracketStack.push(_tokens.size());
            break;
        case T_LEFT_BRACE:
            braceStack.push(_tokens.size());
            break;

        case T_RIGHT_PAREN:
            if (! parenStack.empty()) {
                _tokens[parenStack.top()].matchingBrace = _tokens.size();
                parenStack.pop();
            }
            break;
        case T_RIGHT_BRACKET:
            if (! bracketStack.empty()) {
                _tokens[bracketStack.top()].matchingBrace = _tokens.size();
                bracketStack.pop();
            }
            break;
        case T_RIGHT_BRACE:
            if (! braceStack.empty()) {
                _tokens[braceStack.top()].matchingBrace = _tokens.size();
                braceStack.pop();
            }
            break;
        default:
            break;
        }

        _tokens.push_back(tk);
    } while (tk.isNot(EOF_SYMBOL));

    _index = 1;
}

Parser::~Parser()
{
}

TranslationUnitAST *Parser::parse()
{
    int action = 0;
    yytoken = -1;
    yyloc = -1;
    void *yyval = 0; // value of the current token.

    _recovered = false;
    _tos = -1;

    do {
    again:
        if (unsigned(++_tos) == _stateStack.size()) {
            _stateStack.resize(_tos * 2);
            _locationStack.resize(_tos * 2);
            _symStack.resize(_tos * 2);
        }

        _stateStack[_tos] = action;

        if (yytoken == -1 && -TERMINAL_COUNT != action_index[action]) {
            yyloc = consumeToken();
            yytoken = tokenKind(yyloc);
            if (yyrecovering)
                --yyrecovering;
            if (yytoken == T_IDENTIFIER && t_action(action, T_TYPE_NAME) != 0) {
                const Token &la = tokenAt(_index);

                if (la.is(T_IDENTIFIER)) {
                    yytoken = T_TYPE_NAME;
                } else if (la.is(T_LEFT_BRACKET) && la.matchingBrace != 0 &&
                           tokenAt(la.matchingBrace + 1).is(T_IDENTIFIER)) {
                    yytoken = T_TYPE_NAME;
                }
            }
            yyval = _tokens.at(yyloc).ptr;
        }

        action = t_action(action, yytoken);
        if (action > 0) {
            if (action == ACCEPT_STATE) {
                --_tos;
                return _symStack[0].translation_unit;
            }
            _symStack[_tos].ptr = yyval;
            _locationStack[_tos] = yyloc;
            yytoken = -1;
        } else if (action < 0) {
            const int ruleno = -action - 1;
            const int N = rhs[ruleno];
            _tos -= N;
            reduce(ruleno);
            action = nt_action(_stateStack[_tos], lhs[ruleno] - TERMINAL_COUNT);
        } else if (action == 0) {
            const int line = _tokens[yyloc].line + 1;
            QString message = QLatin1String("Syntax error");
            if (yytoken != -1) {
                const QLatin1String s(spell[yytoken]);
                message = QString("Unexpected token `%1'").arg(s);
            }

            for (; _tos; --_tos) {
                const int state = _stateStack[_tos];

                static int tks[] = {
                    T_RIGHT_BRACE, T_RIGHT_PAREN, T_RIGHT_BRACKET,
                    T_SEMICOLON, T_COMMA, T_COLON,
                    T_NUMBER, T_TYPE_NAME, T_IDENTIFIER,
                    T_LEFT_BRACE, T_LEFT_PAREN, T_LEFT_BRACKET,
                    0
                };

                for (int *tptr = tks; *tptr; ++tptr) {
                    const int next = t_action(state, *tptr);
                    if (next > 0) {
                        if (! yyrecovering && ! _recovered) {
                            _recovered = true;
                            error(line, QString("Expected `%1'").arg(QLatin1String(spell[*tptr])));
                        }

                        yyrecovering = 3;
                        if (*tptr == T_IDENTIFIER)
                            yyval = (void *) _engine->identifier(QLatin1String("$identifier"));
                        else if (*tptr == T_NUMBER || *tptr == T_TYPE_NAME)
                            yyval = (void *) _engine->identifier(QLatin1String("$0"));
                        else
                            yyval = 0;

                        _symStack[_tos].ptr = yyval;
                        _locationStack[_tos] = yyloc;
                        yytoken = -1;

                        action = next;
                        goto again;
                    }
                }
            }

            if (! _recovered) {
                _recovered = true;
                error(line, message);
            }
        }

    } while (action);

    return 0;
}

#line 614 "glsl.g"

void Parser::reduce(int ruleno)
{
switch(ruleno) {

#line 623 "glsl.g"

case 0: {
    ast(1) = makeAstNode<IdentifierExpressionAST>(string(1));
}   break;

#line 630 "glsl.g"

case 1: {
    ast(1) = makeAstNode<LiteralExpressionAST>(string(1));
}   break;

#line 637 "glsl.g"

case 2: {
    ast(1) = makeAstNode<LiteralExpressionAST>(_engine->identifier("true", 4));
}   break;

#line 644 "glsl.g"

case 3: {
    ast(1) = makeAstNode<LiteralExpressionAST>(_engine->identifier("false", 5));
}   break;

#line 651 "glsl.g"

case 4: {
    // nothing to do.
}   break;

#line 658 "glsl.g"

case 5: {
    ast(1) = ast(2);
}   break;

#line 665 "glsl.g"

case 6: {
    // nothing to do.
}   break;

#line 672 "glsl.g"

case 7: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_ArrayAccess, expression(1), expression(3));
}   break;

#line 679 "glsl.g"

case 8: {
    // nothing to do.
}   break;

#line 686 "glsl.g"

case 9: {
    ast(1) = makeAstNode<MemberAccessExpressionAST>(expression(1), string(3));
}   break;

#line 693 "glsl.g"

case 10: {
    ast(1) = makeAstNode<UnaryExpressionAST>(AST::Kind_PostIncrement, expression(1));
}   break;

#line 700 "glsl.g"

case 11: {
    ast(1) = makeAstNode<UnaryExpressionAST>(AST::Kind_PostDecrement, expression(1));
}   break;

#line 707 "glsl.g"

case 12: {
    // nothing to do.
}   break;

#line 714 "glsl.g"

case 13: {
    // nothing to do.
}   break;

#line 721 "glsl.g"

case 14: {
    ast(1) = makeAstNode<FunctionCallExpressionAST>
        (sym(1).function.id, sym(1).function.arguments);
}   break;

#line 729 "glsl.g"

case 15: {
    ast(1) = makeAstNode<FunctionCallExpressionAST>
        (expression(1), sym(3).function.id, sym(3).function.arguments);
}   break;

#line 737 "glsl.g"

case 16: {
    // nothing to do.
}   break;

#line 744 "glsl.g"

case 17: {
    // nothing to do.
}   break;

#line 751 "glsl.g"

case 18: {
    sym(1).function.id = sym(1).function_identifier;
    sym(1).function.arguments = 0;
}   break;

#line 759 "glsl.g"

case 19: {
    sym(1).function.id = sym(1).function_identifier;
    sym(1).function.arguments = 0;
}   break;

#line 767 "glsl.g"

case 20: {
    sym(1).function.id = sym(1).function_identifier;
    sym(1).function.arguments =
        makeAstNode< List<ExpressionAST *> >(expression(2));
}   break;

#line 776 "glsl.g"

case 21: {
    sym(1).function.arguments =
        makeAstNode< List<ExpressionAST *> >
            (sym(1).function.arguments, expression(3));
}   break;

#line 785 "glsl.g"

case 22: {
    // nothing to do.
}   break;

#line 792 "glsl.g"

case 23: {
    ast(1) = makeAstNode<FunctionIdentifierAST>(type(1));
}   break;

#line 799 "glsl.g"

case 24: {
    ast(1) = makeAstNode<FunctionIdentifierAST>(string(1));
}   break;

#line 806 "glsl.g"

case 25: {
    // nothing to do.
}   break;

#line 813 "glsl.g"

case 26: {
    ast(1) = makeAstNode<UnaryExpressionAST>(AST::Kind_PreIncrement, expression(2));
}   break;

#line 820 "glsl.g"

case 27: {
    ast(1) = makeAstNode<UnaryExpressionAST>(AST::Kind_PreDecrement, expression(2));
}   break;

#line 827 "glsl.g"

case 28: {
    ast(1) = makeAstNode<UnaryExpressionAST>(sym(1).kind, expression(2));
}   break;

#line 834 "glsl.g"

case 29: {
    sym(1).kind = AST::Kind_UnaryPlus;
}   break;

#line 841 "glsl.g"

case 30: {
    sym(1).kind = AST::Kind_UnaryMinus;
}   break;

#line 848 "glsl.g"

case 31: {
    sym(1).kind = AST::Kind_LogicalNot;
}   break;

#line 855 "glsl.g"

case 32: {
    sym(1).kind = AST::Kind_BitwiseNot;
}   break;

#line 862 "glsl.g"

case 33: {
    // nothing to do.
}   break;

#line 869 "glsl.g"

case 34: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_Multiply, expression(1), expression(3));
}   break;

#line 876 "glsl.g"

case 35: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_Divide, expression(1), expression(3));
}   break;

#line 883 "glsl.g"

case 36: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_Modulus, expression(1), expression(3));
}   break;

#line 890 "glsl.g"

case 37: {
    // nothing to do.
}   break;

#line 897 "glsl.g"

case 38: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_Plus, expression(1), expression(3));
}   break;

#line 904 "glsl.g"

case 39: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_Minus, expression(1), expression(3));
}   break;

#line 911 "glsl.g"

case 40: {
    // nothing to do.
}   break;

#line 918 "glsl.g"

case 41: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_ShiftLeft, expression(1), expression(3));
}   break;

#line 925 "glsl.g"

case 42: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_ShiftRight, expression(1), expression(3));
}   break;

#line 932 "glsl.g"

case 43: {
    // nothing to do.
}   break;

#line 939 "glsl.g"

case 44: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_LessThan, expression(1), expression(3));
}   break;

#line 946 "glsl.g"

case 45: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_GreaterThan, expression(1), expression(3));
}   break;

#line 953 "glsl.g"

case 46: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_LessEqual, expression(1), expression(3));
}   break;

#line 960 "glsl.g"

case 47: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_GreaterEqual, expression(1), expression(3));
}   break;

#line 967 "glsl.g"

case 48: {
    // nothing to do.
}   break;

#line 974 "glsl.g"

case 49: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_Equal, expression(1), expression(3));
}   break;

#line 981 "glsl.g"

case 50: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_NotEqual, expression(1), expression(3));
}   break;

#line 988 "glsl.g"

case 51: {
    // nothing to do.
}   break;

#line 995 "glsl.g"

case 52: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_BitwiseAnd, expression(1), expression(3));
}   break;

#line 1002 "glsl.g"

case 53: {
    // nothing to do.
}   break;

#line 1009 "glsl.g"

case 54: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_BitwiseXor, expression(1), expression(3));
}   break;

#line 1016 "glsl.g"

case 55: {
    // nothing to do.
}   break;

#line 1023 "glsl.g"

case 56: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_BitwiseOr, expression(1), expression(3));
}   break;

#line 1030 "glsl.g"

case 57: {
    // nothing to do.
}   break;

#line 1037 "glsl.g"

case 58: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_LogicalAnd, expression(1), expression(3));
}   break;

#line 1044 "glsl.g"

case 59: {
    // nothing to do.
}   break;

#line 1051 "glsl.g"

case 60: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_LogicalXor, expression(1), expression(3));
}   break;

#line 1058 "glsl.g"

case 61: {
    // nothing to do.
}   break;

#line 1065 "glsl.g"

case 62: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_LogicalOr, expression(1), expression(3));
}   break;

#line 1072 "glsl.g"

case 63: {
    // nothing to do.
}   break;

#line 1079 "glsl.g"

case 64: {
    ast(1) = makeAstNode<TernaryExpressionAST>(AST::Kind_Conditional, expression(1), expression(3), expression(5));
}   break;

#line 1086 "glsl.g"

case 65: {
    // nothing to do.
}   break;

#line 1093 "glsl.g"

case 66: {
    ast(1) = makeAstNode<AssignmentExpressionAST>(sym(2).kind, expression(1), expression(3));
}   break;

#line 1100 "glsl.g"

case 67: {
    sym(1).kind = AST::Kind_Assign;
}   break;

#line 1107 "glsl.g"

case 68: {
    sym(1).kind = AST::Kind_AssignMultiply;
}   break;

#line 1114 "glsl.g"

case 69: {
    sym(1).kind = AST::Kind_AssignDivide;
}   break;

#line 1121 "glsl.g"

case 70: {
    sym(1).kind = AST::Kind_AssignModulus;
}   break;

#line 1128 "glsl.g"

case 71: {
    sym(1).kind = AST::Kind_AssignPlus;
}   break;

#line 1135 "glsl.g"

case 72: {
    sym(1).kind = AST::Kind_AssignMinus;
}   break;

#line 1142 "glsl.g"

case 73: {
    sym(1).kind = AST::Kind_AssignShiftLeft;
}   break;

#line 1149 "glsl.g"

case 74: {
    sym(1).kind = AST::Kind_AssignShiftRight;
}   break;

#line 1156 "glsl.g"

case 75: {
    sym(1).kind = AST::Kind_AssignAnd;
}   break;

#line 1163 "glsl.g"

case 76: {
    sym(1).kind = AST::Kind_AssignXor;
}   break;

#line 1170 "glsl.g"

case 77: {
    sym(1).kind = AST::Kind_AssignOr;
}   break;

#line 1177 "glsl.g"

case 78: {
    // nothing to do.
}   break;

#line 1184 "glsl.g"

case 79: {
    ast(1) = makeAstNode<BinaryExpressionAST>(AST::Kind_Comma, expression(1), expression(3));
}   break;

#line 1191 "glsl.g"

case 80: {
    // nothing to do.
}   break;

#line 1198 "glsl.g"

case 81: {
    // nothing to do.
}   break;

#line 1205 "glsl.g"

case 82: {
    ast(1) = makeAstNode<InitDeclarationAST>(sym(1).declaration_list);
}   break;

#line 1212 "glsl.g"

case 83: {
    ast(1) = makeAstNode<PrecisionDeclarationAST>(sym(2).precision, type(3));
}   break;

#line 1219 "glsl.g"

case 84: {
    if (sym(1).type_qualifier.qualifier != QualifiedTypeAST::Struct) {
        // TODO: issue an error if the qualifier is not "struct".
    }
    TypeAST *type = makeAstNode<StructTypeAST>(string(2), sym(4).field_list);
    ast(1) = makeAstNode<TypeDeclarationAST>(type);
}   break;

#line 1230 "glsl.g"

case 85: {
    if ((sym(1).type_qualifier.qualifier & QualifiedTypeAST::Struct) == 0) {
        // TODO: issue an error if the qualifier does not contain "struct".
    }
    TypeAST *type = makeAstNode<StructTypeAST>(string(2), sym(4).field_list);
    TypeAST *qualtype = type;
    if (sym(1).type_qualifier.qualifier != QualifiedTypeAST::Struct) {
        qualtype = makeAstNode<QualifiedTypeAST>
            (sym(1).type_qualifier.qualifier & ~QualifiedTypeAST::Struct, qualtype,
             sym(1).type_qualifier.layout_list);
    }
    ast(1) = makeAstNode<TypeAndVariableDeclarationAST>
        (makeAstNode<TypeDeclarationAST>(type),
         makeAstNode<VariableDeclarationAST>(qualtype, string(6)));
}   break;

#line 1249 "glsl.g"

case 86: {
    if ((sym(1).type_qualifier.qualifier & QualifiedTypeAST::Struct) == 0) {
        // TODO: issue an error if the qualifier does not contain "struct".
    }
    TypeAST *type = makeAstNode<StructTypeAST>(string(2), sym(4).field_list);
    TypeAST *qualtype = type;
    if (sym(1).type_qualifier.qualifier != QualifiedTypeAST::Struct) {
        qualtype = makeAstNode<QualifiedTypeAST>
            (sym(1).type_qualifier.qualifier & ~QualifiedTypeAST::Struct, qualtype,
             sym(1).type_qualifier.layout_list);
    }
    ast(1) = makeAstNode<TypeAndVariableDeclarationAST>
        (makeAstNode<TypeDeclarationAST>(type),
         makeAstNode<VariableDeclarationAST>
            (makeAstNode<ArrayTypeAST>(qualtype), string(6)));
}   break;

#line 1269 "glsl.g"

case 87: {
    if ((sym(1).type_qualifier.qualifier & QualifiedTypeAST::Struct) == 0) {
        // TODO: issue an error if the qualifier does not contain "struct".
    }
    TypeAST *type = makeAstNode<StructTypeAST>(string(2), sym(4).field_list);
    TypeAST *qualtype = type;
    if (sym(1).type_qualifier.qualifier != QualifiedTypeAST::Struct) {
        qualtype = makeAstNode<QualifiedTypeAST>
            (sym(1).type_qualifier.qualifier & ~QualifiedTypeAST::Struct, qualtype,
             sym(1).type_qualifier.layout_list);
    }
    ast(1) = makeAstNode<TypeAndVariableDeclarationAST>
        (makeAstNode<TypeDeclarationAST>(type),
         makeAstNode<VariableDeclarationAST>
            (makeAstNode<ArrayTypeAST>(qualtype, expression(8)), string(6)));
}   break;

#line 1289 "glsl.g"

case 88: {
    TypeAST *type = makeAstNode<QualifiedTypeAST>
        (sym(1).type_qualifier.qualifier, (TypeAST *)0,
         sym(1).type_qualifier.layout_list);
    ast(1) = makeAstNode<TypeDeclarationAST>(type);
}   break;

#line 1299 "glsl.g"

case 89: {
    function(1)->finishParams();
}   break;

#line 1306 "glsl.g"

case 90: {
    // nothing to do.
}   break;

#line 1313 "glsl.g"

case 91: {
    // nothing to do.
}   break;

#line 1320 "glsl.g"

case 92: {
    function(1)->params = makeAstNode< List<ParameterDeclarationAST *> >
        (sym(2).param_declaration);
}   break;

#line 1328 "glsl.g"

case 93: {
    function(1)->params = makeAstNode< List<ParameterDeclarationAST *> >
        (function(1)->params, sym(3).param_declaration);
}   break;

#line 1336 "glsl.g"

case 94: {
    function(1) = makeAstNode<FunctionDeclarationAST>(type(1), string(2));
}   break;

#line 1343 "glsl.g"

case 95: {
    sym(1).param_declarator.type = type(1);
    sym(1).param_declarator.name = string(2);
}   break;

#line 1351 "glsl.g"

case 96: {
    sym(1).param_declarator.type = makeAstNode<ArrayTypeAST>(type(1), expression(4));
    sym(1).param_declarator.name = string(2);
}   break;

#line 1359 "glsl.g"

case 97: {
    ast(1) = makeAstNode<ParameterDeclarationAST>
        (makeAstNode<QualifiedTypeAST>
            (sym(1).qualifier, sym(3).param_declarator.type,
             (List<LayoutQualifier *> *)0),
         ParameterDeclarationAST::Qualifier(sym(2).qualifier),
         sym(3).param_declarator.name);
}   break;

#line 1371 "glsl.g"

case 98: {
    ast(1) = makeAstNode<ParameterDeclarationAST>
        (sym(2).param_declarator.type,
         ParameterDeclarationAST::Qualifier(sym(1).qualifier),
         sym(2).param_declarator.name);
}   break;

#line 1381 "glsl.g"

case 99: {
    ast(1) = makeAstNode<ParameterDeclarationAST>
        (makeAstNode<QualifiedTypeAST>
            (sym(1).qualifier, type(3), (List<LayoutQualifier *> *)0),
         ParameterDeclarationAST::Qualifier(sym(2).qualifier),
         (const QString *)0);
}   break;

#line 1392 "glsl.g"

case 100: {
    ast(1) = makeAstNode<ParameterDeclarationAST>
        (type(2), ParameterDeclarationAST::Qualifier(sym(1).qualifier),
         (const QString *)0);
}   break;

#line 1401 "glsl.g"

case 101: {
    sym(1).qualifier = ParameterDeclarationAST::In;
}   break;

#line 1408 "glsl.g"

case 102: {
    sym(1).qualifier = ParameterDeclarationAST::In;
}   break;

#line 1415 "glsl.g"

case 103: {
    sym(1).qualifier = ParameterDeclarationAST::Out;
}   break;

#line 1422 "glsl.g"

case 104: {
    sym(1).qualifier = ParameterDeclarationAST::InOut;
}   break;

#line 1429 "glsl.g"

case 105: {
    // nothing to do.
}   break;

#line 1436 "glsl.g"

case 106: {
    sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
        (sym(1).declaration);
}   break;

#line 1444 "glsl.g"

case 107: {
    TypeAST *type = VariableDeclarationAST::declarationType(sym(1).declaration_list);
    DeclarationAST *decl = makeAstNode<VariableDeclarationAST>(type, string(3));
    sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
            (sym(1).declaration_list, decl);
}   break;

#line 1454 "glsl.g"

case 108: {
    TypeAST *type = VariableDeclarationAST::declarationType(sym(1).declaration_list);
    type = makeAstNode<ArrayTypeAST>(type);
    DeclarationAST *decl = makeAstNode<VariableDeclarationAST>(type, string(3));
    sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
            (sym(1).declaration_list, decl);
}   break;

#line 1465 "glsl.g"

case 109: {
    TypeAST *type = VariableDeclarationAST::declarationType(sym(1).declaration_list);
    type = makeAstNode<ArrayTypeAST>(type, expression(5));
    DeclarationAST *decl = makeAstNode<VariableDeclarationAST>(type, string(3));
    sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
            (sym(1).declaration_list, decl);
}   break;

#line 1476 "glsl.g"

case 110: {
    TypeAST *type = VariableDeclarationAST::declarationType(sym(1).declaration_list);
    type = makeAstNode<ArrayTypeAST>(type);
    DeclarationAST *decl = makeAstNode<VariableDeclarationAST>
            (type, string(3), expression(7));
    sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
            (sym(1).declaration_list, decl);
}   break;

#line 1488 "glsl.g"

case 111: {
    TypeAST *type = VariableDeclarationAST::declarationType(sym(1).declaration_list);
    type = makeAstNode<ArrayTypeAST>(type, expression(5));
    DeclarationAST *decl = makeAstNode<VariableDeclarationAST>
            (type, string(3), expression(8));
    sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
            (sym(1).declaration_list, decl);
}   break;

#line 1500 "glsl.g"

case 112: {
    TypeAST *type = VariableDeclarationAST::declarationType(sym(1).declaration_list);
    DeclarationAST *decl = makeAstNode<VariableDeclarationAST>
            (type, string(3), expression(5));
    sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
            (sym(1).declaration_list, decl);
}   break;

#line 1511 "glsl.g"

case 113: {
    ast(1) = makeAstNode<TypeDeclarationAST>(type(1));
}   break;

#line 1518 "glsl.g"

case 114: {
    ast(1) = makeAstNode<VariableDeclarationAST>(type(1), string(2));
}   break;

#line 1525 "glsl.g"

case 115: {
    ast(1) = makeAstNode<VariableDeclarationAST>
        (makeAstNode<ArrayTypeAST>(type(1)), string(2));
}   break;

#line 1533 "glsl.g"

case 116: {
    ast(1) = makeAstNode<VariableDeclarationAST>
        (makeAstNode<ArrayTypeAST>(type(1), expression(4)), string(2));
}   break;

#line 1541 "glsl.g"

case 117: {
    ast(1) = makeAstNode<VariableDeclarationAST>
        (makeAstNode<ArrayTypeAST>(type(1)), string(2), expression(6));
}   break;

#line 1549 "glsl.g"

case 118: {
    ast(1) = makeAstNode<VariableDeclarationAST>
        (makeAstNode<ArrayTypeAST>(type(1), expression(4)),
         string(2), expression(7));
}   break;

#line 1558 "glsl.g"

case 119: {
    ast(1) = makeAstNode<VariableDeclarationAST>
        (type(1), string(2), expression(4));
}   break;

#line 1566 "glsl.g"

case 120: {
    ast(1) = makeAstNode<InvariantDeclarationAST>(string(2));
}   break;

#line 1573 "glsl.g"

case 121: {
    ast(1) = makeAstNode<QualifiedTypeAST>(0, type(1), (List<LayoutQualifier *> *)0);
}   break;

#line 1580 "glsl.g"

case 122: {
    ast(1) = makeAstNode<QualifiedTypeAST>
        (sym(1).type_qualifier.qualifier, type(2),
         sym(1).type_qualifier.layout_list);
}   break;

#line 1589 "glsl.g"

case 123: {
    sym(1).qualifier = QualifiedTypeAST::Invariant;
}   break;

#line 1596 "glsl.g"

case 124: {
    sym(1).qualifier = QualifiedTypeAST::Smooth;
}   break;

#line 1603 "glsl.g"

case 125: {
    sym(1).qualifier = QualifiedTypeAST::Flat;
}   break;

#line 1610 "glsl.g"

case 126: {
    sym(1).qualifier = QualifiedTypeAST::NoPerspective;
}   break;

#line 1617 "glsl.g"

case 127: {
    sym(1) = sym(3);
}   break;

#line 1624 "glsl.g"

case 128: {
    sym(1).layout_list = makeAstNode< List<LayoutQualifier *> >(sym(1).layout);
}   break;

#line 1631 "glsl.g"

case 129: {
    sym(1).layout_list = makeAstNode< List<LayoutQualifier *> >(sym(1).layout_list, sym(3).layout);
}   break;

#line 1638 "glsl.g"

case 130: {
    sym(1).layout = makeAstNode<LayoutQualifier>(string(1), (const QString *)0);
}   break;

#line 1645 "glsl.g"

case 131: {
    sym(1).layout = makeAstNode<LayoutQualifier>(string(1), string(3));
}   break;

#line 1652 "glsl.g"

case 132: {
    sym(1).qualifier = QualifiedTypeAST::Const;
}   break;

#line 1659 "glsl.g"

case 133: {
    sym(1).type_qualifier.qualifier = sym(1).qualifier;
    sym(1).type_qualifier.layout_list = 0;
}   break;

#line 1667 "glsl.g"

case 134: {
    sym(1).type_qualifier.layout_list = sym(1).layout_list;
    sym(1).type_qualifier.qualifier = 0;
}   break;

#line 1675 "glsl.g"

case 135: {
    sym(1).type_qualifier.layout_list = sym(1).layout_list;
    sym(1).type_qualifier.qualifier = sym(2).qualifier;
}   break;

#line 1683 "glsl.g"

case 136: {
    sym(1).type_qualifier.qualifier = sym(1).qualifier | sym(2).qualifier;
    sym(1).type_qualifier.layout_list = 0;
}   break;

#line 1691 "glsl.g"

case 137: {
    sym(1).type_qualifier.qualifier = sym(1).qualifier;
    sym(1).type_qualifier.layout_list = 0;
}   break;

#line 1699 "glsl.g"

case 138: {
    sym(1).type_qualifier.qualifier = sym(1).qualifier | sym(2).qualifier;
    sym(1).type_qualifier.layout_list = 0;
}   break;

#line 1707 "glsl.g"

case 139: {
    sym(1).type_qualifier.qualifier = sym(1).qualifier | sym(2).qualifier | sym(3).qualifier;
    sym(1).type_qualifier.layout_list = 0;
}   break;

#line 1715 "glsl.g"

case 140: {
    sym(1).type_qualifier.qualifier = QualifiedTypeAST::Invariant;
    sym(1).type_qualifier.layout_list = 0;
}   break;

#line 1723 "glsl.g"

case 141: {
    sym(1).qualifier = QualifiedTypeAST::Const;
}   break;

#line 1730 "glsl.g"

case 142: {
    sym(1).qualifier = QualifiedTypeAST::Attribute;
}   break;

#line 1737 "glsl.g"

case 143: {
    sym(1).qualifier = QualifiedTypeAST::Varying;
}   break;

#line 1744 "glsl.g"

case 144: {
    sym(1).qualifier = QualifiedTypeAST::CentroidVarying;
}   break;

#line 1751 "glsl.g"

case 145: {
    sym(1).qualifier = QualifiedTypeAST::In;
}   break;

#line 1758 "glsl.g"

case 146: {
    sym(1).qualifier = QualifiedTypeAST::Out;
}   break;

#line 1765 "glsl.g"

case 147: {
    sym(1).qualifier = QualifiedTypeAST::CentroidIn;
}   break;

#line 1772 "glsl.g"

case 148: {
    sym(1).qualifier = QualifiedTypeAST::CentroidOut;
}   break;

#line 1779 "glsl.g"

case 149: {
    sym(1).qualifier = QualifiedTypeAST::PatchIn;
}   break;

#line 1786 "glsl.g"

case 150: {
    sym(1).qualifier = QualifiedTypeAST::PatchOut;
}   break;

#line 1793 "glsl.g"

case 151: {
    sym(1).qualifier = QualifiedTypeAST::SampleIn;
}   break;

#line 1800 "glsl.g"

case 152: {
    sym(1).qualifier = QualifiedTypeAST::SampleOut;
}   break;

#line 1807 "glsl.g"

case 153: {
    sym(1).qualifier = QualifiedTypeAST::Uniform;
}   break;

#line 1814 "glsl.g"

case 154: {
    // nothing to do.
}   break;

#line 1821 "glsl.g"

case 155: {
    if (!type(2)->setPrecision(sym(1).precision)) {
        // TODO: issue an error about precision not allowed on this type.
    }
    ast(1) = type(2);
}   break;

#line 1831 "glsl.g"

case 156: {
    // nothing to do.
}   break;

#line 1838 "glsl.g"

case 157: {
    ast(1) = makeAstNode<ArrayTypeAST>(type(1));
}   break;

#line 1845 "glsl.g"

case 158: {
    ast(1) = makeAstNode<ArrayTypeAST>(type(1), expression(3));
}   break;

#line 1852 "glsl.g"

case 159: {
    ast(1) = makeBasicType(T_VOID);
}   break;

#line 1859 "glsl.g"

case 160: {
    ast(1) = makeBasicType(T_FLOAT);
}   break;

#line 1866 "glsl.g"

case 161: {
    ast(1) = makeBasicType(T_DOUBLE);
}   break;

#line 1873 "glsl.g"

case 162: {
    ast(1) = makeBasicType(T_INT);
}   break;

#line 1880 "glsl.g"

case 163: {
    ast(1) = makeBasicType(T_UINT);
}   break;

#line 1887 "glsl.g"

case 164: {
    ast(1) = makeBasicType(T_BOOL);
}   break;

#line 1894 "glsl.g"

case 165: {
    ast(1) = makeBasicType(T_VEC2);
}   break;

#line 1901 "glsl.g"

case 166: {
    ast(1) = makeBasicType(T_VEC3);
}   break;

#line 1908 "glsl.g"

case 167: {
    ast(1) = makeBasicType(T_VEC4);
}   break;

#line 1915 "glsl.g"

case 168: {
    ast(1) = makeBasicType(T_DVEC2);
}   break;

#line 1922 "glsl.g"

case 169: {
    ast(1) = makeBasicType(T_DVEC3);
}   break;

#line 1929 "glsl.g"

case 170: {
    ast(1) = makeBasicType(T_DVEC4);
}   break;

#line 1936 "glsl.g"

case 171: {
    ast(1) = makeBasicType(T_BVEC2);
}   break;

#line 1943 "glsl.g"

case 172: {
    ast(1) = makeBasicType(T_BVEC3);
}   break;

#line 1950 "glsl.g"

case 173: {
    ast(1) = makeBasicType(T_BVEC4);
}   break;

#line 1957 "glsl.g"

case 174: {
    ast(1) = makeBasicType(T_IVEC2);
}   break;

#line 1964 "glsl.g"

case 175: {
    ast(1) = makeBasicType(T_IVEC3);
}   break;

#line 1971 "glsl.g"

case 176: {
    ast(1) = makeBasicType(T_IVEC4);
}   break;

#line 1978 "glsl.g"

case 177: {
    ast(1) = makeBasicType(T_UVEC2);
}   break;

#line 1985 "glsl.g"

case 178: {
    ast(1) = makeBasicType(T_UVEC3);
}   break;

#line 1992 "glsl.g"

case 179: {
    ast(1) = makeBasicType(T_UVEC4);
}   break;

#line 1999 "glsl.g"

case 180: {
    ast(1) = makeBasicType(T_MAT2);
}   break;

#line 2006 "glsl.g"

case 181: {
    ast(1) = makeBasicType(T_MAT3);
}   break;

#line 2013 "glsl.g"

case 182: {
    ast(1) = makeBasicType(T_MAT4);
}   break;

#line 2020 "glsl.g"

case 183: {
    ast(1) = makeBasicType(T_MAT2);
}   break;

#line 2027 "glsl.g"

case 184: {
    ast(1) = makeBasicType(T_MAT2X3);
}   break;

#line 2034 "glsl.g"

case 185: {
    ast(1) = makeBasicType(T_MAT2X4);
}   break;

#line 2041 "glsl.g"

case 186: {
    ast(1) = makeBasicType(T_MAT3X2);
}   break;

#line 2048 "glsl.g"

case 187: {
    ast(1) = makeBasicType(T_MAT3);
}   break;

#line 2055 "glsl.g"

case 188: {
    ast(1) = makeBasicType(T_MAT3X4);
}   break;

#line 2062 "glsl.g"

case 189: {
    ast(1) = makeBasicType(T_MAT4X2);
}   break;

#line 2069 "glsl.g"

case 190: {
    ast(1) = makeBasicType(T_MAT4X3);
}   break;

#line 2076 "glsl.g"

case 191: {
    ast(1) = makeBasicType(T_MAT4);
}   break;

#line 2083 "glsl.g"

case 192: {
    ast(1) = makeBasicType(T_DMAT2);
}   break;

#line 2090 "glsl.g"

case 193: {
    ast(1) = makeBasicType(T_DMAT3);
}   break;

#line 2097 "glsl.g"

case 194: {
    ast(1) = makeBasicType(T_DMAT4);
}   break;

#line 2104 "glsl.g"

case 195: {
    ast(1) = makeBasicType(T_DMAT2);
}   break;

#line 2111 "glsl.g"

case 196: {
    ast(1) = makeBasicType(T_DMAT2X3);
}   break;

#line 2118 "glsl.g"

case 197: {
    ast(1) = makeBasicType(T_DMAT2X4);
}   break;

#line 2125 "glsl.g"

case 198: {
    ast(1) = makeBasicType(T_DMAT3X2);
}   break;

#line 2132 "glsl.g"

case 199: {
    ast(1) = makeBasicType(T_DMAT3);
}   break;

#line 2139 "glsl.g"

case 200: {
    ast(1) = makeBasicType(T_DMAT3X4);
}   break;

#line 2146 "glsl.g"

case 201: {
    ast(1) = makeBasicType(T_DMAT4X2);
}   break;

#line 2153 "glsl.g"

case 202: {
    ast(1) = makeBasicType(T_DMAT4X3);
}   break;

#line 2160 "glsl.g"

case 203: {
    ast(1) = makeBasicType(T_DMAT4);
}   break;

#line 2167 "glsl.g"

case 204: {
    ast(1) = makeBasicType(T_SAMPLER1D);
}   break;

#line 2174 "glsl.g"

case 205: {
    ast(1) = makeBasicType(T_SAMPLER2D);
}   break;

#line 2181 "glsl.g"

case 206: {
    ast(1) = makeBasicType(T_SAMPLER3D);
}   break;

#line 2188 "glsl.g"

case 207: {
    ast(1) = makeBasicType(T_SAMPLERCUBE);
}   break;

#line 2195 "glsl.g"

case 208: {
    ast(1) = makeBasicType(T_SAMPLER1DSHADOW);
}   break;

#line 2202 "glsl.g"

case 209: {
    ast(1) = makeBasicType(T_SAMPLER2DSHADOW);
}   break;

#line 2209 "glsl.g"

case 210: {
    ast(1) = makeBasicType(T_SAMPLERCUBESHADOW);
}   break;

#line 2216 "glsl.g"

case 211: {
    ast(1) = makeBasicType(T_SAMPLER1DARRAY);
}   break;

#line 2223 "glsl.g"

case 212: {
    ast(1) = makeBasicType(T_SAMPLER2DARRAY);
}   break;

#line 2230 "glsl.g"

case 213: {
    ast(1) = makeBasicType(T_SAMPLER1DARRAYSHADOW);
}   break;

#line 2237 "glsl.g"

case 214: {
    ast(1) = makeBasicType(T_SAMPLER2DARRAYSHADOW);
}   break;

#line 2244 "glsl.g"

case 215: {
    ast(1) = makeBasicType(T_SAMPLERCUBEARRAY);
}   break;

#line 2251 "glsl.g"

case 216: {
    ast(1) = makeBasicType(T_SAMPLERCUBEARRAYSHADOW);
}   break;

#line 2258 "glsl.g"

case 217: {
    ast(1) = makeBasicType(T_ISAMPLER1D);
}   break;

#line 2265 "glsl.g"

case 218: {
    ast(1) = makeBasicType(T_ISAMPLER2D);
}   break;

#line 2272 "glsl.g"

case 219: {
    ast(1) = makeBasicType(T_ISAMPLER3D);
}   break;

#line 2279 "glsl.g"

case 220: {
    ast(1) = makeBasicType(T_ISAMPLERCUBE);
}   break;

#line 2286 "glsl.g"

case 221: {
    ast(1) = makeBasicType(T_ISAMPLER1DARRAY);
}   break;

#line 2293 "glsl.g"

case 222: {
    ast(1) = makeBasicType(T_ISAMPLER2DARRAY);
}   break;

#line 2300 "glsl.g"

case 223: {
    ast(1) = makeBasicType(T_ISAMPLERCUBEARRAY);
}   break;

#line 2307 "glsl.g"

case 224: {
    ast(1) = makeBasicType(T_USAMPLER1D);
}   break;

#line 2314 "glsl.g"

case 225: {
    ast(1) = makeBasicType(T_USAMPLER2D);
}   break;

#line 2321 "glsl.g"

case 226: {
    ast(1) = makeBasicType(T_USAMPLER3D);
}   break;

#line 2328 "glsl.g"

case 227: {
    ast(1) = makeBasicType(T_USAMPLERCUBE);
}   break;

#line 2335 "glsl.g"

case 228: {
    ast(1) = makeBasicType(T_USAMPLER1DARRAY);
}   break;

#line 2342 "glsl.g"

case 229: {
    ast(1) = makeBasicType(T_USAMPLER2DARRAY);
}   break;

#line 2349 "glsl.g"

case 230: {
    ast(1) = makeBasicType(T_USAMPLERCUBEARRAY);
}   break;

#line 2356 "glsl.g"

case 231: {
    ast(1) = makeBasicType(T_SAMPLER2DRECT);
}   break;

#line 2363 "glsl.g"

case 232: {
    ast(1) = makeBasicType(T_SAMPLER2DRECTSHADOW);
}   break;

#line 2370 "glsl.g"

case 233: {
    ast(1) = makeBasicType(T_ISAMPLER2DRECT);
}   break;

#line 2377 "glsl.g"

case 234: {
    ast(1) = makeBasicType(T_USAMPLER2DRECT);
}   break;

#line 2384 "glsl.g"

case 235: {
    ast(1) = makeBasicType(T_SAMPLERBUFFER);
}   break;

#line 2391 "glsl.g"

case 236: {
    ast(1) = makeBasicType(T_ISAMPLERBUFFER);
}   break;

#line 2398 "glsl.g"

case 237: {
    ast(1) = makeBasicType(T_USAMPLERBUFFER);
}   break;

#line 2405 "glsl.g"

case 238: {
    ast(1) = makeBasicType(T_SAMPLER2DMS);
}   break;

#line 2412 "glsl.g"

case 239: {
    ast(1) = makeBasicType(T_ISAMPLER2DMS);
}   break;

#line 2419 "glsl.g"

case 240: {
    ast(1) = makeBasicType(T_USAMPLER2DMS);
}   break;

#line 2426 "glsl.g"

case 241: {
    ast(1) = makeBasicType(T_SAMPLER2DMSARRAY);
}   break;

#line 2433 "glsl.g"

case 242: {
    ast(1) = makeBasicType(T_ISAMPLER2DMSARRAY);
}   break;

#line 2440 "glsl.g"

case 243: {
    ast(1) = makeBasicType(T_USAMPLER2DMSARRAY);
}   break;

#line 2447 "glsl.g"

case 244: {
    // nothing to do.
}   break;

#line 2454 "glsl.g"

case 245: {
    ast(1) = makeAstNode<NamedTypeAST>(string(1));
}   break;

#line 2461 "glsl.g"

case 246: {
    sym(1).precision = TypeAST::Highp;
}   break;

#line 2468 "glsl.g"

case 247: {
    sym(1).precision = TypeAST::Mediump;
}   break;

#line 2475 "glsl.g"

case 248: {
    sym(1).precision = TypeAST::Lowp;
}   break;

#line 2482 "glsl.g"

case 249: {
    ast(1) = makeAstNode<StructTypeAST>(string(2), sym(4).field_list);
}   break;

#line 2489 "glsl.g"

case 250: {
    ast(1) = makeAstNode<StructTypeAST>(sym(3).field_list);
}   break;

#line 2496 "glsl.g"

case 251: {
    // nothing to do.
}   break;

#line 2503 "glsl.g"

case 252: {
    sym(1).field_list = appendLists(sym(1).field_list, sym(2).field_list);
}   break;

#line 2510 "glsl.g"

case 253: {
    sym(1).field_list = StructTypeAST::fixInnerTypes(type(1), sym(2).field_list);
}   break;

#line 2517 "glsl.g"

case 254: {
    sym(1).field_list = StructTypeAST::fixInnerTypes
        (makeAstNode<QualifiedTypeAST>
            (sym(1).type_qualifier.qualifier, type(2),
             sym(1).type_qualifier.layout_list), sym(3).field_list);
}   break;

#line 2527 "glsl.g"

case 255: {
    // nothing to do.
    sym(1).field_list = makeAstNode< List<StructTypeAST::Field *> >(sym(1).field);
}   break;

#line 2535 "glsl.g"

case 256: {
    sym(1).field_list = makeAstNode< List<StructTypeAST::Field *> >(sym(1).field_list, sym(3).field);
}   break;

#line 2542 "glsl.g"

case 257: {
    sym(1).field = makeAstNode<StructTypeAST::Field>(string(1));
}   break;

#line 2549 "glsl.g"

case 258: {
    sym(1).field = makeAstNode<StructTypeAST::Field>
        (string(1), makeAstNode<ArrayTypeAST>((TypeAST *)0));
}   break;

#line 2557 "glsl.g"

case 259: {
    sym(1).field = makeAstNode<StructTypeAST::Field>
        (string(1), makeAstNode<ArrayTypeAST>((TypeAST *)0, expression(3)));
}   break;

#line 2565 "glsl.g"

case 260: {
    // nothing to do.
}   break;

#line 2572 "glsl.g"

case 261: {
    ast(1) = makeAstNode<DeclarationStatementAST>(sym(1).declaration);
}   break;

#line 2579 "glsl.g"

case 262: {
    // nothing to do.
}   break;

#line 2586 "glsl.g"

case 263: {
    // nothing to do.
}   break;

#line 2593 "glsl.g"

case 264: {
    // nothing to do.
}   break;

#line 2600 "glsl.g"

case 265: {
    // nothing to do.
}   break;

#line 2607 "glsl.g"

case 266: {
    // nothing to do.
}   break;

#line 2614 "glsl.g"

case 267: {
    // nothing to do.
}   break;

#line 2621 "glsl.g"

case 268: {
    // nothing to do.
}   break;

#line 2628 "glsl.g"

case 269: {
    // nothing to do.
}   break;

#line 2635 "glsl.g"

case 270: {
    // nothing to do.
}   break;

#line 2642 "glsl.g"

case 271: {
    ast(1) = makeAstNode<CompoundStatementAST>();
}   break;

#line 2649 "glsl.g"

case 272: {
    ast(1) = makeAstNode<CompoundStatementAST>(sym(2).statement_list);
}   break;

#line 2656 "glsl.g"

case 273: {
    // nothing to do.
}   break;

#line 2663 "glsl.g"

case 274: {
    // nothing to do.
}   break;

#line 2670 "glsl.g"

case 275: {
    ast(1) = makeAstNode<CompoundStatementAST>();
}   break;

#line 2677 "glsl.g"

case 276: {
    ast(1) = makeAstNode<CompoundStatementAST>(sym(2).statement_list);
}   break;

#line 2684 "glsl.g"

case 277: {
    sym(1).statement_list = makeAstNode< List<StatementAST *> >(sym(1).statement);
}   break;

#line 2691 "glsl.g"

case 278: {
    sym(1).statement_list = makeAstNode< List<StatementAST *> >(sym(1).statement_list, sym(2).statement);
}   break;

#line 2698 "glsl.g"

case 279: {
    ast(1) = makeAstNode<CompoundStatementAST>();  // Empty statement
}   break;

#line 2705 "glsl.g"

case 280: {
    ast(1) = makeAstNode<ExpressionStatementAST>(expression(1));
}   break;

#line 2712 "glsl.g"

case 281: {
    ast(1) = makeAstNode<IfStatementAST>(expression(3), sym(5).ifstmt.thenClause, sym(5).ifstmt.elseClause);
}   break;

#line 2719 "glsl.g"

case 282: {
    sym(1).ifstmt.thenClause = statement(1);
    sym(1).ifstmt.elseClause = statement(3);
}   break;

#line 2727 "glsl.g"

case 283: {
    sym(1).ifstmt.thenClause = statement(1);
    sym(1).ifstmt.elseClause = 0;
}   break;

#line 2735 "glsl.g"

case 284: {
    // nothing to do.
}   break;

#line 2742 "glsl.g"

case 285: {
    ast(1) = makeAstNode<DeclarationExpressionAST>
        (type(1), string(2), expression(4));
}   break;

#line 2750 "glsl.g"

case 286: {
    ast(1) = makeAstNode<SwitchStatementAST>(expression(3), statement(6));
}   break;

#line 2757 "glsl.g"

case 287: {
    ast(1) = makeAstNode<CompoundStatementAST>();
}   break;

#line 2764 "glsl.g"

case 288: {
    ast(1) = makeAstNode<CompoundStatementAST>(sym(1).statement_list);
}   break;

#line 2771 "glsl.g"

case 289: {
    ast(1) = makeAstNode<CaseLabelStatementAST>(expression(2));
}   break;

#line 2778 "glsl.g"

case 290: {
    ast(1) = makeAstNode<CaseLabelStatementAST>();
}   break;

#line 2785 "glsl.g"

case 291: {
    ast(1) = makeAstNode<WhileStatementAST>(expression(3), statement(5));
}   break;

#line 2792 "glsl.g"

case 292: {
    ast(1) = makeAstNode<DoStatementAST>(statement(2), expression(5));
}   break;

#line 2799 "glsl.g"

case 293: {
    ast(1) = makeAstNode<ForStatementAST>(statement(3), sym(4).forstmt.condition, sym(4).forstmt.increment, statement(6));
}   break;

#line 2806 "glsl.g"

case 294: {
    // nothing to do.
}   break;

#line 2813 "glsl.g"

case 295: {
    // nothing to do.
}   break;

#line 2820 "glsl.g"

case 296: {
    // nothing to do.
}   break;

#line 2827 "glsl.g"

case 297: {
    // nothing to do.
}   break;

#line 2834 "glsl.g"

case 298: {
    sym(1).forstmt.condition = expression(1);
    sym(1).forstmt.increment = 0;
}   break;

#line 2842 "glsl.g"

case 299: {
    sym(1).forstmt.condition = expression(1);
    sym(1).forstmt.increment = expression(3);
}   break;

#line 2850 "glsl.g"

case 300: {
    ast(1) = makeAstNode<JumpStatementAST>(AST::Kind_Continue);
}   break;

#line 2857 "glsl.g"

case 301: {
    ast(1) = makeAstNode<JumpStatementAST>(AST::Kind_Break);
}   break;

#line 2864 "glsl.g"

case 302: {
    ast(1) = makeAstNode<ReturnStatementAST>();
}   break;

#line 2871 "glsl.g"

case 303: {
    ast(1) = makeAstNode<ReturnStatementAST>(expression(2));
}   break;

#line 2878 "glsl.g"

case 304: {
    ast(1) = makeAstNode<JumpStatementAST>(AST::Kind_Discard);
}   break;

#line 2885 "glsl.g"

case 305: {
    ast(1) = makeAstNode<TranslationUnitAST>(sym(1).declaration_list);
}   break;

#line 2892 "glsl.g"

case 306: {
    if (sym(1).declaration) {
        sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
            (sym(1).declaration);
    } else {
        sym(1).declaration_list = 0;
    }
}   break;

#line 2904 "glsl.g"

case 307: {
    if (sym(1).declaration_list && sym(2).declaration) {
        sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
            (sym(1).declaration_list, sym(2).declaration);
    } else if (!sym(1).declaration_list) {
        if (sym(2).declaration) {
            sym(1).declaration_list = makeAstNode< List<DeclarationAST *> >
                (sym(2).declaration);
        } else {
            sym(1).declaration_list = 0;
        }
    }
}   break;

#line 2921 "glsl.g"

case 308: {
    // nothing to do.
}   break;

#line 2928 "glsl.g"

case 309: {
    // nothing to do.
}   break;

#line 2935 "glsl.g"

case 310: {
    ast(1) = 0;
}   break;

#line 2942 "glsl.g"

case 311: {
    function(1)->body = statement(2);
}   break;

#line 2949 "glsl.g"

case 312: {
    ast(1) = 0;
}   break;

#line 2957 "glsl.g"

} // end switch
} // end Parser::reduce()