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// Copyright (c) 2008 Roberto Raggi <roberto.raggi@gmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#ifndef CPLUSPLUS_AST_H
#define CPLUSPLUS_AST_H

#include "CPlusPlusForwardDeclarations.h"
#include "ASTfwd.h"
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#include "MemoryPool.h"
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namespace CPlusPlus {
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template <typename _Tp>
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class CPLUSPLUS_EXPORT List: public Managed
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{
    List(const List &other);
    void operator =(const List &other);

public:
    List()
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        : value(_Tp()), next(0)
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    { }

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    List(const _Tp &value)
        : value(value), next(0)
    { }

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    unsigned firstToken() const
    {
        if (value)
            return value->firstToken();

        // ### assert(0);
        return 0;
    }

    unsigned lastToken() const
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    {
        _Tp lv = lastValue();

        if (lv)
            return lv->lastToken();

        // ### assert(0);
        return 0;
    }

    _Tp lastValue() const
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    {
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        _Tp lastValue = 0;
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        for (const List *it = this; it; it = it->next) {
            if (it->value)
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                lastValue = it->value;
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        }

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        return lastValue;
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    }
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    _Tp value;
    List *next;
};

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class CPLUSPLUS_EXPORT AST: public Managed
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{
    AST(const AST &other);
    void operator =(const AST &other);

public:
    AST();
    virtual ~AST();

    void accept(ASTVisitor *visitor);

    static void accept(AST *ast, ASTVisitor *visitor)
    { if (ast) ast->accept(visitor); }

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    template <typename _Tp>
    static void accept(List<_Tp> *it, ASTVisitor *visitor)
    {
        for (; it; it = it->next)
            accept(it->value, visitor);
    }

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    static bool match(AST *ast, AST *pattern, ASTMatcher *matcher);
    bool match(AST *pattern, ASTMatcher *matcher);

    template <typename _Tp>
    static bool match(List<_Tp> *it, List<_Tp> *patternIt, ASTMatcher *matcher)
    {
        while (it && patternIt) {
            if (! match(it->value, patternIt->value, matcher))
                return false;

            it = it->next;
            patternIt = patternIt->next;
        }

        if (! it && ! patternIt)
            return true;

        return false;
    }

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    virtual unsigned firstToken() const = 0;
    virtual unsigned lastToken() const = 0;

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    virtual AST *clone(MemoryPool *pool) const = 0;

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    virtual AccessDeclarationAST *asAccessDeclaration() { return 0; }
    virtual ArrayAccessAST *asArrayAccess() { return 0; }
    virtual ArrayDeclaratorAST *asArrayDeclarator() { return 0; }
    virtual ArrayInitializerAST *asArrayInitializer() { return 0; }
    virtual AsmDefinitionAST *asAsmDefinition() { return 0; }
    virtual AttributeAST *asAttribute() { return 0; }
    virtual AttributeSpecifierAST *asAttributeSpecifier() { return 0; }
    virtual BaseSpecifierAST *asBaseSpecifier() { return 0; }
    virtual BinaryExpressionAST *asBinaryExpression() { return 0; }
    virtual BoolLiteralAST *asBoolLiteral() { return 0; }
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    virtual BracedInitializerAST *asBracedInitializer() { return 0; }
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    virtual BreakStatementAST *asBreakStatement() { return 0; }
    virtual CallAST *asCall() { return 0; }
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    virtual CaptureAST *asCapture() { return 0; }
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    virtual CaseStatementAST *asCaseStatement() { return 0; }
    virtual CastExpressionAST *asCastExpression() { return 0; }
    virtual CatchClauseAST *asCatchClause() { return 0; }
    virtual ClassSpecifierAST *asClassSpecifier() { return 0; }
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    virtual CompoundExpressionAST *asCompoundExpression() { return 0; }
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    virtual CompoundLiteralAST *asCompoundLiteral() { return 0; }
    virtual CompoundStatementAST *asCompoundStatement() { return 0; }
    virtual ConditionAST *asCondition() { return 0; }
    virtual ConditionalExpressionAST *asConditionalExpression() { return 0; }
    virtual ContinueStatementAST *asContinueStatement() { return 0; }
    virtual ConversionFunctionIdAST *asConversionFunctionId() { return 0; }
    virtual CoreDeclaratorAST *asCoreDeclarator() { return 0; }
    virtual CppCastExpressionAST *asCppCastExpression() { return 0; }
    virtual CtorInitializerAST *asCtorInitializer() { return 0; }
    virtual DeclarationAST *asDeclaration() { return 0; }
    virtual DeclarationStatementAST *asDeclarationStatement() { return 0; }
    virtual DeclaratorAST *asDeclarator() { return 0; }
    virtual DeclaratorIdAST *asDeclaratorId() { return 0; }
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    virtual DecltypeSpecifierAST *asDecltypeSpecifier() { return 0; }
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    virtual DeleteExpressionAST *asDeleteExpression() { return 0; }
    virtual DestructorNameAST *asDestructorName() { return 0; }
    virtual DoStatementAST *asDoStatement() { return 0; }
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    virtual DynamicExceptionSpecificationAST *asDynamicExceptionSpecification() { return 0; }
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    virtual ElaboratedTypeSpecifierAST *asElaboratedTypeSpecifier() { return 0; }
    virtual EmptyDeclarationAST *asEmptyDeclaration() { return 0; }
    virtual EnumSpecifierAST *asEnumSpecifier() { return 0; }
    virtual EnumeratorAST *asEnumerator() { return 0; }
    virtual ExceptionDeclarationAST *asExceptionDeclaration() { return 0; }
    virtual ExceptionSpecificationAST *asExceptionSpecification() { return 0; }
    virtual ExpressionAST *asExpression() { return 0; }
    virtual ExpressionOrDeclarationStatementAST *asExpressionOrDeclarationStatement() { return 0; }
    virtual ExpressionStatementAST *asExpressionStatement() { return 0; }
    virtual ForStatementAST *asForStatement() { return 0; }
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    virtual ForeachStatementAST *asForeachStatement() { return 0; }
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    virtual FunctionDeclaratorAST *asFunctionDeclarator() { return 0; }
    virtual FunctionDefinitionAST *asFunctionDefinition() { return 0; }
    virtual GotoStatementAST *asGotoStatement() { return 0; }
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    virtual IdExpressionAST *asIdExpression() { return 0; }
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    virtual IfStatementAST *asIfStatement() { return 0; }
    virtual LabeledStatementAST *asLabeledStatement() { return 0; }
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    virtual LambdaCaptureAST *asLambdaCapture() { return 0; }
    virtual LambdaDeclaratorAST *asLambdaDeclarator() { return 0; }
    virtual LambdaExpressionAST *asLambdaExpression() { return 0; }
    virtual LambdaIntroducerAST *asLambdaIntroducer() { return 0; }
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    virtual LinkageBodyAST *asLinkageBody() { return 0; }
    virtual LinkageSpecificationAST *asLinkageSpecification() { return 0; }
    virtual MemInitializerAST *asMemInitializer() { return 0; }
    virtual MemberAccessAST *asMemberAccess() { return 0; }
    virtual NameAST *asName() { return 0; }
    virtual NamedTypeSpecifierAST *asNamedTypeSpecifier() { return 0; }
    virtual NamespaceAST *asNamespace() { return 0; }
    virtual NamespaceAliasDefinitionAST *asNamespaceAliasDefinition() { return 0; }
    virtual NestedDeclaratorAST *asNestedDeclarator() { return 0; }
    virtual NestedExpressionAST *asNestedExpression() { return 0; }
    virtual NestedNameSpecifierAST *asNestedNameSpecifier() { return 0; }
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    virtual NewArrayDeclaratorAST *asNewArrayDeclarator() { return 0; }
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    virtual NewExpressionAST *asNewExpression() { return 0; }
    virtual NewInitializerAST *asNewInitializer() { return 0; }
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    virtual NewPlacementAST *asNewPlacement() { return 0; }
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    virtual NewTypeIdAST *asNewTypeId() { return 0; }
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    virtual NoExceptSpecificationAST *asNoExceptSpecification() { return 0; }
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    virtual NumericLiteralAST *asNumericLiteral() { return 0; }
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    virtual ObjCClassDeclarationAST *asObjCClassDeclaration() { return 0; }
    virtual ObjCClassForwardDeclarationAST *asObjCClassForwardDeclaration() { return 0; }
    virtual ObjCDynamicPropertiesDeclarationAST *asObjCDynamicPropertiesDeclaration() { return 0; }
    virtual ObjCEncodeExpressionAST *asObjCEncodeExpression() { return 0; }
    virtual ObjCFastEnumerationAST *asObjCFastEnumeration() { return 0; }
    virtual ObjCInstanceVariablesDeclarationAST *asObjCInstanceVariablesDeclaration() { return 0; }
    virtual ObjCMessageArgumentAST *asObjCMessageArgument() { return 0; }
    virtual ObjCMessageArgumentDeclarationAST *asObjCMessageArgumentDeclaration() { return 0; }
    virtual ObjCMessageExpressionAST *asObjCMessageExpression() { return 0; }
    virtual ObjCMethodDeclarationAST *asObjCMethodDeclaration() { return 0; }
    virtual ObjCMethodPrototypeAST *asObjCMethodPrototype() { return 0; }
    virtual ObjCPropertyAttributeAST *asObjCPropertyAttribute() { return 0; }
    virtual ObjCPropertyDeclarationAST *asObjCPropertyDeclaration() { return 0; }
    virtual ObjCProtocolDeclarationAST *asObjCProtocolDeclaration() { return 0; }
    virtual ObjCProtocolExpressionAST *asObjCProtocolExpression() { return 0; }
    virtual ObjCProtocolForwardDeclarationAST *asObjCProtocolForwardDeclaration() { return 0; }
    virtual ObjCProtocolRefsAST *asObjCProtocolRefs() { return 0; }
    virtual ObjCSelectorAST *asObjCSelector() { return 0; }
    virtual ObjCSelectorArgumentAST *asObjCSelectorArgument() { return 0; }
    virtual ObjCSelectorExpressionAST *asObjCSelectorExpression() { return 0; }
    virtual ObjCSynchronizedStatementAST *asObjCSynchronizedStatement() { return 0; }
    virtual ObjCSynthesizedPropertiesDeclarationAST *asObjCSynthesizedPropertiesDeclaration() { return 0; }
    virtual ObjCSynthesizedPropertyAST *asObjCSynthesizedProperty() { return 0; }
    virtual ObjCTypeNameAST *asObjCTypeName() { return 0; }
    virtual ObjCVisibilityDeclarationAST *asObjCVisibilityDeclaration() { return 0; }
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    virtual OperatorAST *asOperator() { return 0; }
    virtual OperatorFunctionIdAST *asOperatorFunctionId() { return 0; }
    virtual ParameterDeclarationAST *asParameterDeclaration() { return 0; }
    virtual ParameterDeclarationClauseAST *asParameterDeclarationClause() { return 0; }
    virtual PointerAST *asPointer() { return 0; }
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    virtual PointerLiteralAST *asPointerLiteral() { return 0; }
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    virtual PointerToMemberAST *asPointerToMember() { return 0; }
    virtual PostIncrDecrAST *asPostIncrDecr() { return 0; }
    virtual PostfixAST *asPostfix() { return 0; }
    virtual PostfixDeclaratorAST *asPostfixDeclarator() { return 0; }
    virtual PtrOperatorAST *asPtrOperator() { return 0; }
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    virtual QtEnumDeclarationAST *asQtEnumDeclaration() { return 0; }
    virtual QtFlagsDeclarationAST *asQtFlagsDeclaration() { return 0; }
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    virtual QtInterfaceNameAST *asQtInterfaceName() { return 0; }
    virtual QtInterfacesDeclarationAST *asQtInterfacesDeclaration() { return 0; }
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    virtual QtMemberDeclarationAST *asQtMemberDeclaration() { return 0; }
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    virtual QtMethodAST *asQtMethod() { return 0; }
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    virtual QtObjectTagAST *asQtObjectTag() { return 0; }
    virtual QtPrivateSlotAST *asQtPrivateSlot() { return 0; }
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    virtual QtPropertyDeclarationAST *asQtPropertyDeclaration() { return 0; }
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    virtual QtPropertyDeclarationItemAST *asQtPropertyDeclarationItem() { return 0; }
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    virtual QualifiedNameAST *asQualifiedName() { return 0; }
    virtual ReferenceAST *asReference() { return 0; }
    virtual ReturnStatementAST *asReturnStatement() { return 0; }
    virtual SimpleDeclarationAST *asSimpleDeclaration() { return 0; }
    virtual SimpleNameAST *asSimpleName() { return 0; }
    virtual SimpleSpecifierAST *asSimpleSpecifier() { return 0; }
    virtual SizeofExpressionAST *asSizeofExpression() { return 0; }
    virtual SpecifierAST *asSpecifier() { return 0; }
    virtual StatementAST *asStatement() { return 0; }
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    virtual StaticAssertDeclarationAST *asStaticAssertDeclaration() { return 0; }
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    virtual StringLiteralAST *asStringLiteral() { return 0; }
    virtual SwitchStatementAST *asSwitchStatement() { return 0; }
    virtual TemplateDeclarationAST *asTemplateDeclaration() { return 0; }
    virtual TemplateIdAST *asTemplateId() { return 0; }
    virtual TemplateTypeParameterAST *asTemplateTypeParameter() { return 0; }
    virtual ThisExpressionAST *asThisExpression() { return 0; }
    virtual ThrowExpressionAST *asThrowExpression() { return 0; }
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    virtual TrailingReturnTypeAST *asTrailingReturnType() { return 0; }
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    virtual TranslationUnitAST *asTranslationUnit() { return 0; }
    virtual TryBlockStatementAST *asTryBlockStatement() { return 0; }
    virtual TypeConstructorCallAST *asTypeConstructorCall() { return 0; }
    virtual TypeIdAST *asTypeId() { return 0; }
    virtual TypeidExpressionAST *asTypeidExpression() { return 0; }
    virtual TypenameCallExpressionAST *asTypenameCallExpression() { return 0; }
    virtual TypenameTypeParameterAST *asTypenameTypeParameter() { return 0; }
    virtual TypeofSpecifierAST *asTypeofSpecifier() { return 0; }
    virtual UnaryExpressionAST *asUnaryExpression() { return 0; }
    virtual UsingAST *asUsing() { return 0; }
    virtual UsingDirectiveAST *asUsingDirective() { return 0; }
    virtual WhileStatementAST *asWhileStatement() { return 0; }
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protected:
    virtual void accept0(ASTVisitor *visitor) = 0;
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    virtual bool match0(AST *, ASTMatcher *) = 0;
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};

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class CPLUSPLUS_EXPORT StatementAST: public AST
{
public:
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    StatementAST()
    {}

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    virtual StatementAST *asStatement() { return this; }
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    virtual StatementAST *clone(MemoryPool *pool) const = 0;
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};

class CPLUSPLUS_EXPORT ExpressionAST: public AST
{
public:
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    ExpressionAST()
    {}

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    virtual ExpressionAST *asExpression() { return this; }
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    virtual ExpressionAST *clone(MemoryPool *pool) const = 0;
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};

class CPLUSPLUS_EXPORT DeclarationAST: public AST
{
public:
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    DeclarationAST()
    {}

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    virtual DeclarationAST *asDeclaration() { return this; }
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    virtual DeclarationAST *clone(MemoryPool *pool) const = 0;
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};

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class CPLUSPLUS_EXPORT NameAST: public AST
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{
public: // annotations
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    const Name *name;
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public:
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    NameAST()
        : name(0)
    {}

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    virtual NameAST *asName() { return this; }
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    virtual NameAST *clone(MemoryPool *pool) const = 0;
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};

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class CPLUSPLUS_EXPORT SpecifierAST: public AST
{
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public:
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    SpecifierAST()
    {}

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    virtual SpecifierAST *asSpecifier() { return this; }
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    virtual SpecifierAST *clone(MemoryPool *pool) const = 0;
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};

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class CPLUSPLUS_EXPORT PtrOperatorAST: public AST
{
public:
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    PtrOperatorAST()
    {}

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    virtual PtrOperatorAST *asPtrOperator() { return this; }
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    virtual PtrOperatorAST *clone(MemoryPool *pool) const = 0;
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};

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class CPLUSPLUS_EXPORT PostfixAST: public ExpressionAST
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{
public:
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    PostfixAST()
    {}

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    virtual PostfixAST *asPostfix() { return this; }
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    virtual PostfixAST *clone(MemoryPool *pool) const = 0;
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};

class CPLUSPLUS_EXPORT CoreDeclaratorAST: public AST
{
public:
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    CoreDeclaratorAST()
    {}

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    virtual CoreDeclaratorAST *asCoreDeclarator() { return this; }
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    virtual CoreDeclaratorAST *clone(MemoryPool *pool) const = 0;
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};

class CPLUSPLUS_EXPORT PostfixDeclaratorAST: public AST
{
public:
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    PostfixDeclaratorAST()
    {}

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    virtual PostfixDeclaratorAST *asPostfixDeclarator() { return this; }
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    virtual PostfixDeclaratorAST *clone(MemoryPool *pool) const = 0;
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};

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class CPLUSPLUS_EXPORT ObjCSelectorArgumentAST: public AST
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{
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public:
    unsigned name_token;
    unsigned colon_token;

public:
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    ObjCSelectorArgumentAST()
        : name_token(0)
        , colon_token(0)
    {}

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    virtual ObjCSelectorArgumentAST *asObjCSelectorArgument() { return this; }

    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

    virtual ObjCSelectorArgumentAST *clone(MemoryPool *pool) const;

protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

class CPLUSPLUS_EXPORT ObjCSelectorAST: public NameAST
{
public:
    ObjCSelectorArgumentListAST *selector_argument_list;
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public:
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    ObjCSelectorAST()
        : selector_argument_list(0)
    {}

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    virtual ObjCSelectorAST *asObjCSelector() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

    virtual ObjCSelectorAST *clone(MemoryPool *pool) const;

protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
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};

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class CPLUSPLUS_EXPORT SimpleSpecifierAST: public SpecifierAST
{
public:
    unsigned specifier_token;

public:
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    SimpleSpecifierAST()
        : specifier_token(0)
    {}

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    virtual SimpleSpecifierAST *asSimpleSpecifier() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual SimpleSpecifierAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

class CPLUSPLUS_EXPORT AttributeSpecifierAST: public SpecifierAST
{
public:
    unsigned attribute_token;
    unsigned first_lparen_token;
    unsigned second_lparen_token;
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    AttributeListAST *attribute_list;
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    unsigned first_rparen_token;
    unsigned second_rparen_token;

public:
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    AttributeSpecifierAST()
        : attribute_token(0)
        , first_lparen_token(0)
        , second_lparen_token(0)
        , attribute_list(0)
        , first_rparen_token(0)
        , second_rparen_token(0)
    {}

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    virtual AttributeSpecifierAST *asAttributeSpecifier() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual AttributeSpecifierAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

class CPLUSPLUS_EXPORT AttributeAST: public AST
{
public:
    unsigned identifier_token;
    unsigned lparen_token;
    unsigned tag_token;
    ExpressionListAST *expression_list;
    unsigned rparen_token;

public:
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    AttributeAST()
        : identifier_token(0)
        , lparen_token(0)
        , tag_token(0)
        , expression_list(0)
        , rparen_token(0)
    {}

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    virtual AttributeAST *asAttribute() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual AttributeAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

class CPLUSPLUS_EXPORT TypeofSpecifierAST: public SpecifierAST
{
public:
    unsigned typeof_token;
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    unsigned lparen_token;
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    ExpressionAST *expression;
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    unsigned rparen_token;
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public:
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    TypeofSpecifierAST()
        : typeof_token(0)
        , lparen_token(0)
        , expression(0)
        , rparen_token(0)
    {}

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    virtual TypeofSpecifierAST *asTypeofSpecifier() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual TypeofSpecifierAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

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class CPLUSPLUS_EXPORT DecltypeSpecifierAST: public SpecifierAST
{
public:
    unsigned decltype_token;
    unsigned lparen_token;
    ExpressionAST *expression;
    unsigned rparen_token;

public:
    DecltypeSpecifierAST()
        : decltype_token(0)
        , lparen_token(0)
        , expression(0)
        , rparen_token(0)
    {}

    virtual DecltypeSpecifierAST *asDecltypeSpecifier() { return this; }

    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

    virtual DecltypeSpecifierAST *clone(MemoryPool *pool) const;

protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

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class CPLUSPLUS_EXPORT DeclaratorAST: public AST
{
public:
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    SpecifierListAST *attribute_list;
    PtrOperatorListAST *ptr_operator_list;
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    CoreDeclaratorAST *core_declarator;
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    PostfixDeclaratorListAST *postfix_declarator_list;
    SpecifierListAST *post_attribute_list;
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    unsigned equal_token;
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    ExpressionAST *initializer;

public:
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    DeclaratorAST()
        : attribute_list(0)
        , ptr_operator_list(0)
        , core_declarator(0)
        , postfix_declarator_list(0)
        , post_attribute_list(0)
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        , equal_token(0)
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        , initializer(0)
    {}

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    virtual DeclaratorAST *asDeclarator() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual DeclaratorAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

class CPLUSPLUS_EXPORT SimpleDeclarationAST: public DeclarationAST
{
public:
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    unsigned qt_invokable_token;
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    SpecifierListAST *decl_specifier_list;
    DeclaratorListAST *declarator_list;
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    unsigned semicolon_token;

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public:
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    List<Symbol *> *symbols;
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public:
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    SimpleDeclarationAST()
        : qt_invokable_token(0)
        , decl_specifier_list(0)
        , declarator_list(0)
        , semicolon_token(0)
        , symbols(0)
    {}

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    virtual SimpleDeclarationAST *asSimpleDeclaration() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual SimpleDeclarationAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

class CPLUSPLUS_EXPORT EmptyDeclarationAST: public DeclarationAST
{
public:
    unsigned semicolon_token;

public:
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    EmptyDeclarationAST()
        : semicolon_token(0)
    {}

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    virtual EmptyDeclarationAST *asEmptyDeclaration() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual EmptyDeclarationAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

class CPLUSPLUS_EXPORT AccessDeclarationAST: public DeclarationAST
{
public:
    unsigned access_specifier_token;
    unsigned slots_token;
    unsigned colon_token;

public:
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    AccessDeclarationAST()
        : access_specifier_token(0)
        , slots_token(0)
        , colon_token(0)
    {}

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    virtual AccessDeclarationAST *asAccessDeclaration() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual AccessDeclarationAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

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class CPLUSPLUS_EXPORT QtObjectTagAST: public DeclarationAST
{
public:
    unsigned q_object_token;

public:
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    QtObjectTagAST()
        : q_object_token(0)
    {}

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    virtual QtObjectTagAST *asQtObjectTag() { return this; }

    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

    virtual QtObjectTagAST *clone(MemoryPool *pool) const;

protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

class CPLUSPLUS_EXPORT QtPrivateSlotAST: public DeclarationAST
{
public:
    unsigned q_private_slot_token;
    unsigned lparen_token;
    unsigned dptr_token;
    unsigned dptr_lparen_token;
    unsigned dptr_rparen_token;
    unsigned comma_token;
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    SpecifierListAST *type_specifier_list;
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    DeclaratorAST *declarator;
    unsigned rparen_token;

public:
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    QtPrivateSlotAST()
        : q_private_slot_token(0)
        , lparen_token(0)
        , dptr_token(0)
        , dptr_lparen_token(0)
        , dptr_rparen_token(0)
        , comma_token(0)
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        , type_specifier_list(0)
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        , declarator(0)
        , rparen_token(0)
    {}

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    virtual QtPrivateSlotAST *asQtPrivateSlot() { return this; }

    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

    virtual QtPrivateSlotAST *clone(MemoryPool *pool) const;

protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

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class QtPropertyDeclarationItemAST: public AST
{
public:
    unsigned item_name_token;
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    ExpressionAST *expression;
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public:
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    QtPropertyDeclarationItemAST()
        : item_name_token(0)
        , expression(0)
    {}

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    virtual QtPropertyDeclarationItemAST *asQtPropertyDeclarationItem() { return this; }

    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual QtPropertyDeclarationItemAST *clone(MemoryPool *pool) const;
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protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

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class CPLUSPLUS_EXPORT QtPropertyDeclarationAST: public DeclarationAST
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{
public:
    unsigned property_specifier_token;
    unsigned lparen_token;
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    ExpressionAST *expression; // for Q_PRIVATE_PROPERTY(expression, ...)
    unsigned comma_token;
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    ExpressionAST *type_id;
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    NameAST *property_name;
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    QtPropertyDeclarationItemListAST *property_declaration_item_list;
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    unsigned rparen_token;

public:
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    QtPropertyDeclarationAST()
        : property_specifier_token(0)
        , lparen_token(0)
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        , expression(0)
        , comma_token(0)
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        , type_id(0)
        , property_name(0)
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        , property_declaration_item_list(0)
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        , rparen_token(0)
    {}

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    virtual QtPropertyDeclarationAST *asQtPropertyDeclaration() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual QtPropertyDeclarationAST *clone(MemoryPool *pool) const;
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protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

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class CPLUSPLUS_EXPORT QtEnumDeclarationAST: public DeclarationAST
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{
public:
    unsigned enum_specifier_token;
    unsigned lparen_token;
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    NameListAST *enumerator_list;
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    unsigned rparen_token;

public:
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    QtEnumDeclarationAST()
        : enum_specifier_token(0)
        , lparen_token(0)
        , enumerator_list(0)
        , rparen_token(0)
    {}

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    virtual QtEnumDeclarationAST *asQtEnumDeclaration() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual QtEnumDeclarationAST *clone(MemoryPool *pool) const;
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protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

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class CPLUSPLUS_EXPORT QtFlagsDeclarationAST: public DeclarationAST
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{
public:
    unsigned flags_specifier_token;
    unsigned lparen_token;
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    NameListAST *flag_enums_list;
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    unsigned rparen_token;

public:
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    QtFlagsDeclarationAST()
        : flags_specifier_token(0)
        , lparen_token(0)
        , flag_enums_list(0)
        , rparen_token(0)
    {}

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    virtual QtFlagsDeclarationAST *asQtFlagsDeclaration() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual QtFlagsDeclarationAST *clone(MemoryPool *pool) const;
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protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

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class CPLUSPLUS_EXPORT QtInterfaceNameAST: public AST
{
public:
    NameAST *interface_name;
    NameListAST *constraint_list;

public:
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    QtInterfaceNameAST()
        : interface_name(0)
        , constraint_list(0)
    {}

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    virtual QtInterfaceNameAST *asQtInterfaceName() { return this; }

    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

    virtual QtInterfaceNameAST *clone(MemoryPool *pool) const;

protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

class CPLUSPLUS_EXPORT QtInterfacesDeclarationAST: public DeclarationAST
{
public:
    unsigned interfaces_token;
    unsigned lparen_token;
    QtInterfaceNameListAST *interface_name_list;
    unsigned rparen_token;

public:
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    QtInterfacesDeclarationAST()
        : interfaces_token(0)
        , lparen_token(0)
        , interface_name_list(0)
        , rparen_token(0)
    {}

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    virtual QtInterfacesDeclarationAST *asQtInterfacesDeclaration() { return this; }

    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

    virtual QtInterfacesDeclarationAST *clone(MemoryPool *pool) const;

protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

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class CPLUSPLUS_EXPORT AsmDefinitionAST: public DeclarationAST
{
public:
    unsigned asm_token;
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    unsigned volatile_token;
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    unsigned lparen_token;
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    // ### string literals
    // ### asm operand list
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    unsigned rparen_token;
    unsigned semicolon_token;

public:
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    AsmDefinitionAST()
        : asm_token(0)
        , volatile_token(0)
        , lparen_token(0)
        , rparen_token(0)
        , semicolon_token(0)
    {}

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    virtual AsmDefinitionAST *asAsmDefinition() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual AsmDefinitionAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

class CPLUSPLUS_EXPORT BaseSpecifierAST: public AST
{
public:
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    unsigned virtual_token;
    unsigned access_specifier_token;
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    NameAST *name;

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public: // annotations
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    BaseClass *symbol;
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public:
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    BaseSpecifierAST()
        : virtual_token(0)
        , access_specifier_token(0)
        , name(0)
        , symbol(0)
    {}

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    virtual BaseSpecifierAST *asBaseSpecifier() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual BaseSpecifierAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

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class CPLUSPLUS_EXPORT IdExpressionAST: public ExpressionAST
{
public:
    NameAST *name;

public:
    IdExpressionAST()
        : name(0)
    {}

    virtual IdExpressionAST *asIdExpression() { return this; }

    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

    virtual IdExpressionAST *clone(MemoryPool *pool) const;

protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

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class CPLUSPLUS_EXPORT CompoundExpressionAST: public ExpressionAST
{
public:
    unsigned lparen_token;
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    CompoundStatementAST *statement;
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    unsigned rparen_token;

public:
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    CompoundExpressionAST()
        : lparen_token(0)
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        , statement(0)
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        , rparen_token(0)
    {}

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    virtual CompoundExpressionAST *asCompoundExpression() { return this; }

    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

    virtual CompoundExpressionAST *clone(MemoryPool *pool) const;

protected:
    virtual void accept0(ASTVisitor *visitor);
    virtual bool match0(AST *, ASTMatcher *);
};

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class CPLUSPLUS_EXPORT CompoundLiteralAST: public ExpressionAST
{
public:
    unsigned lparen_token;
    ExpressionAST *type_id;
    unsigned rparen_token;
    ExpressionAST *initializer;

public:
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    CompoundLiteralAST()
        : lparen_token(0)
        , type_id(0)
        , rparen_token(0)
        , initializer(0)
    {}

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    virtual CompoundLiteralAST *asCompoundLiteral() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual CompoundLiteralAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

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class CPLUSPLUS_EXPORT QtMethodAST: public ExpressionAST
{
public:
    unsigned method_token;
    unsigned lparen_token;
    DeclaratorAST *declarator;
    unsigned rparen_token;

public:
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    QtMethodAST()
        : method_token(0)
        , lparen_token(0)
        , declarator(0)
        , rparen_token(0)
    {}

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    virtual QtMethodAST *asQtMethod() { return this; }
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    virtual unsigned firstToken() const;
    virtual unsigned lastToken() const;

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    virtual QtMethodAST *clone(MemoryPool *pool) const;

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protected:
    virtual void accept0(ASTVisitor *visitor);
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    virtual bool match0(AST *, ASTMatcher *);
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};

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class CPLUSPLUS_EXPORT QtMemberDeclarationAST: public StatementAST
{
public:
    unsigned q_token;
    unsigned lparen_token;