forked from qt-creator/qt-creator
133 lines
4.2 KiB
C++
133 lines
4.2 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at http://qt.nokia.com/contact.
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**
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**************************************************************************/
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#ifndef CPLUSPLUS_FINDUSAGES_H
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#define CPLUSPLUS_FINDUSAGES_H
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#include "LookupContext.h"
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#include "CppDocument.h"
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#include "Semantic.h"
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#include "TypeOfExpression.h"
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#include <ASTVisitor.h>
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#include <QtCore/QSet>
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namespace CPlusPlus {
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class CPLUSPLUS_EXPORT Usage
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{
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public:
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Usage()
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: line(0), col(0), len(0) {}
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Usage(const QString &path, const QString &lineText, int line, int col, int len)
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: path(path), lineText(lineText), line(line), col(col), len(len) {}
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public:
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QString path;
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QString lineText;
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int line;
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int col;
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int len;
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};
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class CPLUSPLUS_EXPORT FindUsages: protected ASTVisitor
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{
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public:
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FindUsages(Document::Ptr doc, const Snapshot &snapshot);
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FindUsages(const LookupContext &context);
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void operator()(Symbol *symbol);
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QList<Usage> usages() const;
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QList<int> references() const;
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protected:
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using ASTVisitor::visit;
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using ASTVisitor::endVisit;
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QString matchingLine(const Token &tk) const;
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Scope *scopeAt(unsigned tokenIndex) const;
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void reportResult(unsigned tokenIndex, const QList<Symbol *> &candidates);
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void reportResult(unsigned tokenIndex);
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bool checkCandidates(const QList<Symbol *> &candidates) const;
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void checkExpression(unsigned startToken, unsigned endToken);
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void ensureNameIsValid(NameAST *ast);
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virtual bool visit(MemInitializerAST *ast);
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virtual bool visit(PostfixExpressionAST *ast);
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virtual void endVisit(PostfixExpressionAST *);
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virtual bool visit(MemberAccessAST *ast);
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virtual bool visit(QualifiedNameAST *ast);
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virtual bool visit(EnumeratorAST *ast);
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virtual bool visit(SimpleNameAST *ast);
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virtual bool visit(DestructorNameAST *ast);
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virtual bool visit(TemplateIdAST *ast);
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virtual bool visit(ParameterDeclarationAST *ast);
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virtual bool visit(ExpressionOrDeclarationStatementAST *ast);
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virtual bool visit(FunctionDeclaratorAST *ast);
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virtual bool visit(SimpleDeclarationAST *);
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virtual bool visit(ObjCSelectorAST *ast);
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virtual bool visit(QtPropertyDeclarationAST *);
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virtual void endVisit(QtPropertyDeclarationAST *);
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virtual bool visit(TemplateDeclarationAST *ast);
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virtual void endVisit(TemplateDeclarationAST *ast);
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virtual bool visit(TypenameTypeParameterAST *ast);
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virtual bool visit(TemplateTypeParameterAST *ast);
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unsigned startOfTemplateDeclaration(TemplateDeclarationAST *ast) const;
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private:
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const Identifier *_id;
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Symbol *_declSymbol;
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Document::Ptr _doc;
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Snapshot _snapshot;
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LookupContext _context;
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QByteArray _source;
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Document::Ptr _exprDoc;
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Semantic _sem;
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QList<PostfixExpressionAST *> _postfixExpressionStack;
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QList<QualifiedNameAST *> _qualifiedNameStack;
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QList<TemplateDeclarationAST *> _templateDeclarationStack;
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QList<int> _references;
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QList<Usage> _usages;
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int _inSimpleDeclaration;
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bool _inQProperty;
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QSet<unsigned> _processed;
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TypeOfExpression typeofExpression;
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};
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} // end of namespace CPlusPlus
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#endif // CPLUSPLUS_FINDUSAGES_H
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