ast.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

/****************************************************************************
**
** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
** Copyright (C) 2001-2004 Roberto Raggi
**
** This file is part of the qt3to4 porting application of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include "ast.h"
#include <QStringList>
#include <stdio.h>

int AST::N = 0;

// ------------------------------------------------------------------------
AST::AST(int startToken, int count)
    : m_scope(0),
      m_startToken(startToken),
      m_endToken(startToken + count),
      m_parent(0),
      m_children(0)
{
    ++N;
}

void AST::setParent(AST *parent)
{
    if (m_parent)
        m_parent->removeChild(this);

    m_parent = parent;

    if (m_parent)
        m_parent->appendChild(this);
}

void AST::appendChild(AST *child)
{
    m_children = snoc(m_children, child, _pool);
}

void AST::removeChild(AST *child)
{
    fprintf(stderr, "AST::removeChild child: %p not implemented yet\n", child);
}

// ------------------------------------------------------------------------
NameAST::NameAST()
    : m_global(false), m_unqualifiedName(0), m_classOrNamespaceNameList(0)
{
}

void NameAST::setGlobal(bool b)
{
    m_global = b;
}

void NameAST::setUnqualifiedName(ClassOrNamespaceNameAST *unqualifiedName)
{
    m_unqualifiedName = unqualifiedName;
    if (m_unqualifiedName) m_unqualifiedName->setParent(this);
}

void NameAST::addClassOrNamespaceName(ClassOrNamespaceNameAST *classOrNamespaceName)
{
    if(!classOrNamespaceName)
        return;

    classOrNamespaceName->setParent(this);
    m_classOrNamespaceNameList = snoc(m_classOrNamespaceNameList, classOrNamespaceName, _pool);
}

// ------------------------------------------------------------------------
DeclarationAST::DeclarationAST()
{
}

// ------------------------------------------------------------------------
LinkageBodyAST::LinkageBodyAST()
    : m_declarationList(0)
{
}

void LinkageBodyAST::addDeclaration(DeclarationAST *ast)
{
    if(!ast)
        return;

    ast->setParent(this);
    m_declarationList = snoc(m_declarationList, ast, _pool);
}

// ------------------------------------------------------------------------
LinkageSpecificationAST::LinkageSpecificationAST()
    : m_externType(0),
      m_linkageBody(0),
      m_declaration(0)
{
}

void LinkageSpecificationAST::setExternType(AST *externType)
{
    m_externType = externType;
    if (m_externType) m_externType->setParent(this);
}

void LinkageSpecificationAST::setLinkageBody(LinkageBodyAST *linkageBody)
{
    m_linkageBody = linkageBody;
    if (m_linkageBody) m_linkageBody->setParent(this);
}

void LinkageSpecificationAST::setDeclaration(DeclarationAST *decl)
{
    m_declaration = decl;
    if (m_declaration) m_declaration->setParent(this);
}

// ------------------------------------------------------------------------
TranslationUnitAST::TranslationUnitAST()
    : m_declarationList(0)
{
    //kdDebug(9007) << "++ TranslationUnitAST::TranslationUnitAST()" << endl;
}

void TranslationUnitAST::addDeclaration(DeclarationAST *ast)
{
    if(!ast)
        return;

    ast->setParent(this);
    m_declarationList = snoc(m_declarationList, ast, _pool);
}

// ------------------------------------------------------------------------
NamespaceAST::NamespaceAST()
    : m_namespaceName(0),
      m_linkageBody(0)
{
}

void NamespaceAST::setNamespaceName(AST *namespaceName)
{
    m_namespaceName = namespaceName;
    if (m_namespaceName) m_namespaceName->setParent(this);
}

void NamespaceAST::setLinkageBody(LinkageBodyAST *linkageBody)
{
    m_linkageBody = linkageBody;
    if (m_linkageBody) m_linkageBody->setParent(this);
}


// ------------------------------------------------------------------------
NamespaceAliasAST::NamespaceAliasAST()
    : m_namespaceName(0),
      m_aliasName(0)
{
}

void NamespaceAliasAST::setNamespaceName(AST *namespaceName)
{
    m_namespaceName = namespaceName;
    if (m_namespaceName) m_namespaceName->setParent(this);
}

void NamespaceAliasAST::setAliasName(NameAST *name)
{
    m_aliasName = name;
    if (m_aliasName) m_aliasName->setParent(this);
}

// ------------------------------------------------------------------------
UsingAST::UsingAST()
    : m_typeName(0),
      m_name(0)
{
}

void UsingAST::setTypeName(AST *typeName)
{
    m_typeName = typeName;
    if (m_typeName) m_typeName->setParent(this);
}

void UsingAST::setName(NameAST *name)
{
    m_name = name;
    if (m_name) m_name->setParent(this);
}

// ------------------------------------------------------------------------
UsingDirectiveAST::UsingDirectiveAST()
    : m_name(0)
{
}

void UsingDirectiveAST::setName(NameAST *name)
{
    m_name = name;
    if (m_name) m_name->setParent(this);
}

TypedefAST::TypedefAST()
    : m_typeSpec(0),
      m_initDeclaratorList(0)
{
}

void TypeSpecifierAST::setName(NameAST *name)
{
    m_name = name;
    if (m_name) m_name->setParent(this);
}

void TypedefAST::setTypeSpec(TypeSpecifierAST *typeSpec)
{
    m_typeSpec = typeSpec;
    if (m_typeSpec) m_typeSpec->setParent(this);
}

void TypedefAST::setInitDeclaratorList(InitDeclaratorListAST *initDeclaratorList)
{
    m_initDeclaratorList = initDeclaratorList;
    if (m_initDeclaratorList) m_initDeclaratorList->setParent(this);
}

// ------------------------------------------------------------------------
TemplateArgumentListAST::TemplateArgumentListAST()
    : m_argumentList(0)
{
}

void TemplateArgumentListAST::addArgument(AST *arg)
{
    if(!arg)
        return;

    arg->setParent(this);
    m_argumentList = snoc(m_argumentList, arg, _pool);
}

// ------------------------------------------------------------------------
TemplateDeclarationAST::TemplateDeclarationAST()
    : m_exported(0),
      m_templateParameterList(0),
      m_declaration(0)
{
}

void TemplateDeclarationAST::setExported(AST *exported)
{
    m_exported = exported;
    if (m_exported) m_exported->setParent(this);
}

void TemplateDeclarationAST::setTemplateParameterList(TemplateParameterListAST *templateParameterList)
{
    m_templateParameterList = templateParameterList;
    if (m_templateParameterList) m_templateParameterList->setParent(this);
}

void TemplateDeclarationAST::setDeclaration(DeclarationAST *declaration)
{
    m_declaration = declaration;
    if (m_declaration) m_declaration->setParent(this);
}

// ------------------------------------------------------------------------
ClassOrNamespaceNameAST::ClassOrNamespaceNameAST()
    : m_name(0), m_templateArgumentList(0)
{
}

void ClassOrNamespaceNameAST::setName(AST *name)
{
    m_name = name;
    if (m_name) m_name->setParent(this);
}

void ClassOrNamespaceNameAST::setTemplateArgumentList(TemplateArgumentListAST *templateArgumentList)
{
    m_templateArgumentList = templateArgumentList;
    if (m_templateArgumentList) m_templateArgumentList->setParent(this);
}

// ------------------------------------------------------------------------
TypeSpecifierAST::TypeSpecifierAST()
    : m_name(0), m_cvQualify(0), m_cv2Qualify(0)

{
}

void TypeSpecifierAST::setCvQualify(AST *cvQualify)
{
    m_cvQualify = cvQualify;
    if (m_cvQualify) m_cvQualify->setParent(this);
}

void TypeSpecifierAST::setCv2Qualify(AST *cv2Qualify)
{
    m_cv2Qualify = cv2Qualify;
    if (m_cv2Qualify) m_cv2Qualify->setParent(this);
}

// ------------------------------------------------------------------------
ClassSpecifierAST::ClassSpecifierAST()
    : m_winDeclSpec(0),
      m_classKey(0),
      m_baseClause(0),
      m_declarationList(0)
{
}

void ClassSpecifierAST::setClassKey(AST *classKey)
{
    m_classKey = classKey;
    if (m_classKey) m_classKey->setParent(this);
}

void ClassSpecifierAST::addDeclaration(DeclarationAST *declaration)
{
    if(!declaration)
        return;

    declaration->setParent(this);
    m_declarationList = snoc(m_declarationList, declaration, _pool);
}

void ClassSpecifierAST::setBaseClause(BaseClauseAST *baseClause)
{
    m_baseClause = baseClause;
    if (m_baseClause) m_baseClause->setParent(this);
}

// ------------------------------------------------------------------------
EnumSpecifierAST::EnumSpecifierAST()
    : m_enumeratorList(0)
{
}

void EnumSpecifierAST::addEnumerator(EnumeratorAST *enumerator)
{
    if(!enumerator)
        return;

    enumerator->setParent(this);
    m_enumeratorList = snoc(m_enumeratorList, enumerator, _pool);
}


// ------------------------------------------------------------------------
ElaboratedTypeSpecifierAST::ElaboratedTypeSpecifierAST()
    : m_kind(0)
{
}

void ElaboratedTypeSpecifierAST::setKind(AST *kind)
{
    m_kind = kind;
    if (m_kind) m_kind->setParent(this);
}

// ------------------------------------------------------------------------
EnumeratorAST::EnumeratorAST()
    : m_id(0),
      m_expression(0)
{
}

void EnumeratorAST::setId(AST *id)
{
    m_id = id;
    if (m_id) m_id->setParent(this);
}

void EnumeratorAST::setExpression(AbstractExpressionAST *expression)
{
    m_expression = expression;
    if (m_expression) m_expression->setParent(this);
}

// ------------------------------------------------------------------------
BaseClauseAST::BaseClauseAST()
    : m_baseSpecifierList(0)
{
}

void BaseClauseAST::addBaseSpecifier(BaseSpecifierAST *baseSpecifier)
{
    if(!baseSpecifier)
        return;

    baseSpecifier->setParent(this);
    m_baseSpecifierList = snoc(m_baseSpecifierList, baseSpecifier, _pool);
}

// ------------------------------------------------------------------------
BaseSpecifierAST::BaseSpecifierAST()
    : m_isVirtual(0), m_access(0), m_name(0)

{
}

void BaseSpecifierAST::setIsVirtual(AST *isVirtual)
{
    m_isVirtual = isVirtual;
    if (m_isVirtual) m_isVirtual->setParent(this);
}

void BaseSpecifierAST::setAccess(AST *access)
{
    m_access = access;
    if (m_access) m_access->setParent(this);
}

void BaseSpecifierAST::setName(NameAST *name)
{
    m_name = name;
    if (m_name) m_name->setParent(this);
}

// ------------------------------------------------------------------------
SimpleDeclarationAST::SimpleDeclarationAST()
    : m_functionSpecifier(0),
      m_storageSpecifier(0),
      m_typeSpec(0),
      m_initDeclaratorList(0),
      m_winDeclSpec(0)
{
}

void SimpleDeclarationAST::setFunctionSpecifier(AST *functionSpecifier)
{
    m_functionSpecifier = functionSpecifier;
    if (m_functionSpecifier) m_functionSpecifier->setParent(this);
}

void SimpleDeclarationAST::setStorageSpecifier(AST *storageSpecifier)
{
    m_storageSpecifier = storageSpecifier;
    if (m_storageSpecifier) m_storageSpecifier->setParent(this);
}

void SimpleDeclarationAST::setTypeSpec(TypeSpecifierAST *typeSpec)
{
    m_typeSpec = typeSpec;
    if (m_typeSpec) m_typeSpec->setParent(this);
}

void SimpleDeclarationAST::setInitDeclaratorList(InitDeclaratorListAST *initDeclaratorList)
{
    m_initDeclaratorList = initDeclaratorList;
    if (m_initDeclaratorList) m_initDeclaratorList->setParent(this);
}

void SimpleDeclarationAST::setWinDeclSpec(AST *winDeclSpec)
{
    m_winDeclSpec = winDeclSpec;
    if (m_winDeclSpec) m_winDeclSpec->setParent(this);
}

// ------------------------------------------------------------------------
InitDeclaratorListAST::InitDeclaratorListAST()
    : m_initDeclaratorList(0)
{
}

void InitDeclaratorListAST::addInitDeclarator(InitDeclaratorAST *decl)
{
    if(!decl)
        return;

    decl->setParent(this);
    m_initDeclaratorList = snoc(m_initDeclaratorList, decl, _pool);
}

// ------------------------------------------------------------------------
DeclaratorAST::DeclaratorAST()
    : m_ptrOpList(0),
      m_subDeclarator(0),
      m_declaratorId(0),
      m_bitfieldInitialization(0),
      m_arrayDimensionList(0),
      m_parameterDeclarationClause(0),
      m_constant(0),
      m_exceptionSpecification(0)
{
}

void DeclaratorAST::setSubDeclarator(DeclaratorAST *subDeclarator)
{
    m_subDeclarator = subDeclarator;
    if (m_subDeclarator) m_subDeclarator->setParent(this);
}

void DeclaratorAST::setDeclaratorId(NameAST *declaratorId)
{
    m_declaratorId = declaratorId;
    if (m_declaratorId) m_declaratorId->setParent(this);
}

void DeclaratorAST::setBitfieldInitialization(AST *bitfieldInitialization)
{
    m_bitfieldInitialization = bitfieldInitialization;
    if (m_bitfieldInitialization) m_bitfieldInitialization->setParent(this);
}

void DeclaratorAST::addArrayDimension(AST *arrayDimension)
{
    if(!arrayDimension)
        return;

    arrayDimension->setParent(this);
    m_arrayDimensionList = snoc(m_arrayDimensionList, arrayDimension, _pool);
}

void DeclaratorAST::setParameterDeclarationClause(ParameterDeclarationClauseAST *parameterDeclarationClause)
{
    m_parameterDeclarationClause = parameterDeclarationClause;
    if (m_parameterDeclarationClause) m_parameterDeclarationClause->setParent(this);
}

void DeclaratorAST::setConstant(AST *constant)
{
    m_constant = constant;
    if (m_constant) m_constant->setParent(this);
}

void DeclaratorAST::setExceptionSpecification(AST *exceptionSpecification)
{
    m_exceptionSpecification = exceptionSpecification;
    if (m_exceptionSpecification) m_exceptionSpecification->setParent(this);
}

void DeclaratorAST::addPtrOp(AST *ptrOp)
{
    if(!ptrOp)
        return;

    ptrOp->setParent(this);
    m_ptrOpList = snoc(m_ptrOpList, ptrOp, _pool);
}

// --------------------------------------------------------------------------
InitDeclaratorAST::InitDeclaratorAST()
    : m_declarator(0),
      m_initializer(0)
{
}

void InitDeclaratorAST::setDeclarator(DeclaratorAST *declarator)
{
    m_declarator = declarator;
    if (m_declarator) m_declarator->setParent(this);
}

void InitDeclaratorAST::setInitializer(AST *initializer)
{
    m_initializer = initializer;
    if (m_initializer) m_initializer->setParent(this);
}

// --------------------------------------------------------------------------
FunctionDefinitionAST::FunctionDefinitionAST()
    : m_functionSpecifier(0),
      m_storageSpecifier(0),
      m_typeSpec(0),
      m_initDeclarator(0),
      m_functionBody(0),
      m_winDeclSpec(0)
{
}

void FunctionDefinitionAST::setFunctionSpecifier(AST *functionSpecifier)
{
    m_functionSpecifier = functionSpecifier;
    if (m_functionSpecifier) m_functionSpecifier->setParent(this);
}