1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2001-2004 Roberto Raggi

     4 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     5 ** All rights reserved.

     6 ** Contact: Nokia Corporation (qt-info@nokia.com)

     7 **

     8 ** This file is part of the qt3to4 porting application of the Qt Toolkit.

     9 **

    10 ** $QT_BEGIN_LICENSE:LGPL$

    11 ** No Commercial Usage

    12 ** This file contains pre-release code and may not be distributed.

    13 ** You may use this file in accordance with the terms and conditions

    14 ** contained in the Technology Preview License Agreement accompanying

    15 ** this package.

    16 **

    17 ** GNU Lesser General Public License Usage

    18 ** Alternatively, this file may be used under the terms of the GNU Lesser

    19 ** General Public License version 2.1 as published by the Free Software

    20 ** Foundation and appearing in the file LICENSE.LGPL included in the

    21 ** packaging of this file.  Please review the following information to

    22 ** ensure the GNU Lesser General Public License version 2.1 requirements

    23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    24 **

    25 ** In addition, as a special exception, Nokia gives you certain additional

    26 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    28 **

    29 ** If you have questions regarding the use of this file, please contact

    30 ** Nokia at qt-info@nokia.com.

    31 **

    32 **

    33 **

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    37 **

    38 **

    39 ** $QT_END_LICENSE$

    40 **

    41 ****************************************************************************/

    42 

    43 #ifndef SEMANTIC_H

    44 #define SEMANTIC_H

    45 

    46 #include "treewalker.h"

    47 #include "codemodel.h"

    48 #include "tokenstreamadapter.h"

    49 

    50 #include <QObject>

    51 #include <QStack>

    52 #include <QList>

    53 #include <QByteArray>

    54 

    55 QT_BEGIN_NAMESPACE

    56 

    57 class Semantic: public QObject, public TreeWalker

    58 {

    59 Q_OBJECT

    60 public:

    61     Semantic(CodeModel::NamespaceScope *globalScope,

    62              TokenStreamAdapter::TokenStream *tokenStream,

    63              TypedPool<CodeModel::Item> *storage);

    64 

    65     void parseAST(TranslationUnitAST *node);

    66 signals:

    67     void error(const QByteArray &message);

    68     void warning(const QByteArray &message);

    69 protected:

    70     virtual void parseNamespace(NamespaceAST *);

    71     virtual void parseClassSpecifier(ClassSpecifierAST *);

    72     virtual void parseElaboratedTypeSpecifier(ElaboratedTypeSpecifierAST *node);

    73     virtual void parseSimpleDeclaration(SimpleDeclarationAST *);

    74     virtual void parseDeclaration(AST *funSpec, AST *storageSpec, TypeSpecifierAST *typeSpec, InitDeclaratorAST *decl);

    75     virtual void parseFunctionDeclaration(AST *funSpec, AST *storageSpec, TypeSpecifierAST *typeSpec, InitDeclaratorAST *decl);

    76     virtual void parseFunctionArguments(const DeclaratorAST *declarator, CodeModel::FunctionMember *method);

    77     virtual void parseFunctionDefinition(FunctionDefinitionAST *);

    78     virtual void parseStatementList(StatementListAST *);

    79     virtual void parseBaseClause(BaseClauseAST *baseClause, CodeModel::ClassScope * klass);

    80     virtual void parseLinkageSpecification(LinkageSpecificationAST *);

    81     virtual void parseUsing(UsingAST *);

    82     virtual void parseUsingDirective(UsingDirectiveAST *);

    83     virtual void parseExpression(AbstractExpressionAST*);

    84     virtual void parseExpressionStatement(ExpressionStatementAST *node);

    85     virtual void parseClassMemberAccess(ClassMemberAccessAST *node);

    86     virtual void parseNameUse(NameAST*);

    87     virtual void parseEnumSpecifier(EnumSpecifierAST *);

    88     virtual void parseTypedef(TypedefAST *);

    89     virtual void parseTypeSpecifier(TypeSpecifierAST *);

    90 

    91     QList<CodeModel::Member *> nameLookup(CodeModel::Scope *baseScope, const NameAST* name);

    92     QList<CodeModel::Member *> unqualifiedNameLookup(CodeModel::Scope *baseScope, const NameAST* name);

    93     QList<CodeModel::Member *> qualifiedNameLookup(CodeModel::Scope *baseScope, const NameAST* name);

    94     QList<CodeModel::Member *> lookupNameInScope(CodeModel::Scope *scope, const NameAST* name);

    95 

    96     CodeModel::TypeMember *typeLookup(CodeModel::Scope *baseScope, const NameAST* name);

    97     CodeModel::FunctionMember *functionLookup(CodeModel::Scope *baseScope,  const DeclaratorAST *functionDeclarator);

    98     CodeModel::Scope *scopeLookup(CodeModel::Scope *baseScope, const NameAST* name);

    99     CodeModel::FunctionMember *selectFunction(QList<CodeModel::Member*> candidatateList, const DeclaratorAST *functionDeclarator);

   100 

   101     QByteArray typeOfDeclaration(TypeSpecifierAST *typeSpec, DeclaratorAST *declarator);

   102     QList<QByteArray> scopeOfName(NameAST *id, const QList<QByteArray> &scope);

   103     QList<QByteArray> scopeOfDeclarator(DeclaratorAST *d, const QList<QByteArray> &scope);

   104     QByteArray declaratorToString(DeclaratorAST* declarator, const QByteArray& scope = QByteArray(), bool skipPtrOp = false);

   105     QByteArray typeSpecToString(TypeSpecifierAST* typeSpec);

   106 

   107     QByteArray textOf(const AST *node) const;

   108     void createNameUse(CodeModel::Member *member, NameAST *name);

   109     void addNameUse(AST *node, CodeModel::NameUse *nameUse);

   110     CodeModel::NameUse *findNameUse(AST *node);

   111     TokenEngine::TokenRef tokenRefFromAST(AST *node);

   112 private:

   113     TokenStreamAdapter::TokenStream *m_tokenStream;

   114     TypedPool<CodeModel::Item> *m_storage;

   115     CodeModel::Member::Access m_currentAccess;

   116     bool m_inSlots;

   117     bool m_inSignals;

   118     bool m_inStorageSpec;

   119     bool m_inTypedef;

   120 

   121     QMap<int, CodeModel::NameUse *> m_nameUses;

   122     QStack<CodeModel::Scope *> currentScope;

   123     CodeModel::TypeMember *m_sharedUnknownMember;

   124 private:

   125     Semantic(const Semantic &source);

   126     void operator = (const Semantic &source);

   127 };

   128 

   129 QT_END_NAMESPACE

   130 

   131 #endif // SEMANTIC_H