/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of PySide2.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/


#ifndef VISITOR_H
#define VISITOR_H

#include "ast.h"

class Visitor
{
public:
    Visitor();
    virtual ~Visitor();

    virtual void visit(AST *node);

protected:
    virtual void visitAccessSpecifier(AccessSpecifierAST *) {}
    virtual void visitAsmDefinition(AsmDefinitionAST *) {}
    virtual void visitBaseClause(BaseClauseAST *) {}
    virtual void visitBaseSpecifier(BaseSpecifierAST *) {}
    virtual void visitBinaryExpression(BinaryExpressionAST *) {}
    virtual void visitCastExpression(CastExpressionAST *) {}
    virtual void visitClassMemberAccess(ClassMemberAccessAST *) {}
    virtual void visitClassSpecifier(ClassSpecifierAST *) {}
    virtual void visitCompoundStatement(CompoundStatementAST *) {}
    virtual void visitCondition(ConditionAST *) {}
    virtual void visitConditionalExpression(ConditionalExpressionAST *) {}
    virtual void visitCppCastExpression(CppCastExpressionAST *) {}
    virtual void visitCtorInitializer(CtorInitializerAST *) {}
    virtual void visitDeclarationStatement(DeclarationStatementAST *) {}
    virtual void visitDeclarator(DeclaratorAST *) {}
    virtual void visitDeleteExpression(DeleteExpressionAST *) {}
    virtual void visitDoStatement(DoStatementAST *) {}
    virtual void visitElaboratedTypeSpecifier(ElaboratedTypeSpecifierAST *) {}
    virtual void visitEnumSpecifier(EnumSpecifierAST *) {}
    virtual void visitEnumerator(EnumeratorAST *) {}
    virtual void visitExceptionSpecification(ExceptionSpecificationAST *) {}
    virtual void visitExpressionOrDeclarationStatement(ExpressionOrDeclarationStatementAST *) {}
    virtual void visitExpressionStatement(ExpressionStatementAST *) {}
    virtual void visitForStatement(ForStatementAST *) {}
    virtual void visitFunctionCall(FunctionCallAST *) {}
    virtual void visitFunctionDefinition(FunctionDefinitionAST *) {}
    virtual void visitIfStatement(IfStatementAST *) {}
    virtual void visitIncrDecrExpression(IncrDecrExpressionAST *) {}
    virtual void visitInitDeclarator(InitDeclaratorAST *) {}
    virtual void visitInitializer(InitializerAST *) {}
    virtual void visitInitializerClause(InitializerClauseAST *) {}
    virtual void visitLabeledStatement(LabeledStatementAST *) {}
    virtual void visitLinkageBody(LinkageBodyAST *) {}
    virtual void visitLinkageSpecification(LinkageSpecificationAST *) {}
    virtual void visitMemInitializer(MemInitializerAST *) {}
    virtual void visitName(NameAST *) {}
    virtual void visitNamespace(NamespaceAST *) {}
    virtual void visitNamespaceAliasDefinition(NamespaceAliasDefinitionAST *) {}
    virtual void visitNewDeclarator(NewDeclaratorAST *) {}
    virtual void visitNewExpression(NewExpressionAST *) {}
    virtual void visitNewInitializer(NewInitializerAST *) {}
    virtual void visitNewTypeId(NewTypeIdAST *) {}
    virtual void visitOperator(OperatorAST *) {}
    virtual void visitOperatorFunctionId(OperatorFunctionIdAST *) {}
    virtual void visitParameterDeclaration(ParameterDeclarationAST *) {}
    virtual void visitParameterDeclarationClause(ParameterDeclarationClauseAST *) {}
    virtual void visitPostfixExpression(PostfixExpressionAST *) {}
    virtual void visitPrimaryExpression(PrimaryExpressionAST *) {}
    virtual void visitPtrOperator(PtrOperatorAST *) {}
    virtual void visitPtrToMember(PtrToMemberAST *) {}
    virtual void visitReturnStatement(ReturnStatementAST *) {}
    virtual void visitSimpleDeclaration(SimpleDeclarationAST *) {}
    virtual void visitSimpleTypeSpecifier(SimpleTypeSpecifierAST *) {}
    virtual void visitSizeofExpression(SizeofExpressionAST *) {}
    virtual void visitStringLiteral(StringLiteralAST *) {}
    virtual void visitSubscriptExpression(SubscriptExpressionAST *) {}
    virtual void visitSwitchStatement(SwitchStatementAST *) {}
    virtual void visitTemplateArgument(TemplateArgumentAST *) {}
    virtual void visitTemplateDeclaration(TemplateDeclarationAST *) {}
    virtual void visitTemplateParameter(TemplateParameterAST *) {}
    virtual void visitThrowExpression(ThrowExpressionAST *) {}
    virtual void visitTranslationUnit(TranslationUnitAST *) {}
    virtual void visitTryBlockStatement(TryBlockStatementAST *) {}
    virtual void visitTypeId(TypeIdAST *) {}
    virtual void visitTypeIdentification(TypeIdentificationAST *) {}
    virtual void visitTypeParameter(TypeParameterAST *) {}
    virtual void visitTypedef(TypedefAST *) {}
    virtual void visitUnaryExpression(UnaryExpressionAST *) {}
    virtual void visitUnqualifiedName(UnqualifiedNameAST *) {}
    virtual void visitUsing(UsingAST *) {}
    virtual void visitUsingDirective(UsingDirectiveAST *) {}
    virtual void visitWhileStatement(WhileStatementAST *) {}
    virtual void visitWinDeclSpec(WinDeclSpecAST *) {}
    virtual void visitQProperty(QPropertyAST *) {}
    virtual void visitForwardDeclarationSpecifier(ForwardDeclarationSpecifierAST *) {}
    virtual void visitQEnums(QEnumsAST *) {}

private:
    typedef void (Visitor::*visitor_fun_ptr)(AST *);
    static visitor_fun_ptr _S_table[];
};

template <class _Tp>
void visitNodes(Visitor *v, const ListNode<_Tp> *nodes)
{
    if (!nodes)
        return;

    const ListNode<_Tp>
    *it = nodes->toFront(),
          *end = it;

    do {
        v->visit(it->element);
        it = it->next;
    } while (it != end);
}

#endif // VISITOR_H

// kate: space-indent on; indent-width 2; replace-tabs on;