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semantic.h

/****************************************************************************
**
** Copyright (C) 2004-2007 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 sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef SEMANTIC_H
#define SEMANTIC_H

#include "treewalker.h"
#include "codemodel.h"
#include "tokenstreamadapter.h"

#include <QObject>
#include <QStack>
#include <QList>
#include <QByteArray>

class Semantic: public QObject, public TreeWalker
{
Q_OBJECT
public:
    Semantic(CodeModel::NamespaceScope *globalScope,
             TokenStreamAdapter::TokenStream *tokenStream,
             TypedPool<CodeModel::Item> *storage);

    void parseAST(TranslationUnitAST *node);
signals:
    void error(const QByteArray &message);
    void warning(const QByteArray &message);
protected:
    virtual void parseNamespace(NamespaceAST *);
    virtual void parseClassSpecifier(ClassSpecifierAST *);
    virtual void parseElaboratedTypeSpecifier(ElaboratedTypeSpecifierAST *node);
    virtual void parseSimpleDeclaration(SimpleDeclarationAST *);
    virtual void parseDeclaration(AST *funSpec, AST *storageSpec, TypeSpecifierAST *typeSpec, InitDeclaratorAST *decl);
    virtual void parseFunctionDeclaration(AST *funSpec, AST *storageSpec, TypeSpecifierAST *typeSpec, InitDeclaratorAST *decl);
    virtual void parseFunctionArguments(const DeclaratorAST *declarator, CodeModel::FunctionMember *method);
    virtual void parseFunctionDefinition(FunctionDefinitionAST *);
    virtual void parseStatementList(StatementListAST *);
    virtual void parseBaseClause(BaseClauseAST *baseClause, CodeModel::ClassScope * klass);
    virtual void parseLinkageSpecification(LinkageSpecificationAST *);
    virtual void parseUsing(UsingAST *);
    virtual void parseUsingDirective(UsingDirectiveAST *);
    virtual void parseExpression(AbstractExpressionAST*);
    virtual void parseExpressionStatement(ExpressionStatementAST *node);
    virtual void parseClassMemberAccess(ClassMemberAccessAST *node);
    virtual void parseNameUse(NameAST*);
    virtual void parseEnumSpecifier(EnumSpecifierAST *);
    virtual void parseTypedef(TypedefAST *);
    virtual void parseTypeSpecifier(TypeSpecifierAST *);

    QList<CodeModel::Member *> nameLookup(CodeModel::Scope *baseScope, const NameAST* name);
    QList<CodeModel::Member *> unqualifiedNameLookup(CodeModel::Scope *baseScope, const NameAST* name);
    QList<CodeModel::Member *> qualifiedNameLookup(CodeModel::Scope *baseScope, const NameAST* name);
    QList<CodeModel::Member *> lookupNameInScope(CodeModel::Scope *scope, const NameAST* name);

    CodeModel::TypeMember *typeLookup(CodeModel::Scope *baseScope, const NameAST* name);
    CodeModel::FunctionMember *functionLookup(CodeModel::Scope *baseScope,  const DeclaratorAST *functionDeclarator);
    CodeModel::Scope *scopeLookup(CodeModel::Scope *baseScope, const NameAST* name);
    CodeModel::FunctionMember *selectFunction(QList<CodeModel::Member*> candidatateList, const DeclaratorAST *functionDeclarator);

    QByteArray typeOfDeclaration(TypeSpecifierAST *typeSpec, DeclaratorAST *declarator);
    QList<QByteArray> scopeOfName(NameAST *id, const QList<QByteArray> &scope);
    QList<QByteArray> scopeOfDeclarator(DeclaratorAST *d, const QList<QByteArray> &scope);
    QByteArray declaratorToString(DeclaratorAST* declarator, const QByteArray& scope = QByteArray(), bool skipPtrOp = false);
    QByteArray typeSpecToString(TypeSpecifierAST* typeSpec);

    QByteArray textOf(const AST *node) const;
    void createNameUse(CodeModel::Member *member, NameAST *name);
    void addNameUse(AST *node, CodeModel::NameUse *nameUse);
    CodeModel::NameUse *findNameUse(AST *node);
    TokenEngine::TokenRef tokenRefFromAST(AST *node);
private:
    TokenStreamAdapter::TokenStream *m_tokenStream;
    TypedPool<CodeModel::Item> *m_storage;
    CodeModel::Member::Access m_currentAccess;
    bool m_inSlots;
    bool m_inSignals;
    bool m_inStorageSpec;
    bool m_inTypedef;

    QMap<int, CodeModel::NameUse *> m_nameUses;
    QStack<CodeModel::Scope *> currentScope;
    CodeModel::TypeMember *m_sharedUnknownMember;
private:
    Semantic(const Semantic &source);
    void operator = (const Semantic &source);
};

#endif // SEMANTIC_H

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