qt-creator/src/plugins/cppeditor/cppcheckundefinedsymbols.h

/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** Software or, alternatively, in accordance with the terms contained in
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** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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#ifndef CPLUSPLUS_CHECKUNDEFINEDSYMBOLS_H
#define CPLUSPLUS_CHECKUNDEFINEDSYMBOLS_H

#include "cppsemanticinfo.h"

#include <cplusplus/CppDocument.h>
#include <cplusplus/LookupContext.h>
#include <ASTVisitor.h>
#include <QtCore/QSet>
#include <QtCore/QFuture>
#include <QtCore/QtConcurrentRun>

namespace CPlusPlus {

class CheckUndefinedSymbols: protected ASTVisitor
{
public:
    virtual ~CheckUndefinedSymbols();

    typedef CppEditor::Internal::SemanticInfo::Use Use;

    void runFunctor(QFutureInterface<Use> &future);

    typedef QFuture<Use> Future;
    static Future go(Document::Ptr doc, const LookupContext &context);

protected:
    using ASTVisitor::visit;
    using ASTVisitor::endVisit;

    CheckUndefinedSymbols(Document::Ptr doc, const LookupContext &context);

    bool warning(unsigned line, unsigned column, const QString &text, unsigned length = 0);
    bool warning(AST *ast, const QString &text);

    void checkName(NameAST *ast);
    void checkNamespace(NameAST *name);
    void addTypeUsage(ClassOrNamespace *b, NameAST *ast);
    void addTypeUsage(const QList<Symbol *> &candidates, NameAST *ast);
    void addTypeUsage(const Use &use);

    virtual bool preVisit(AST *);

    virtual bool visit(NamespaceAST *);
    virtual bool visit(UsingDirectiveAST *);
    virtual bool visit(SimpleDeclarationAST *);
    virtual bool visit(NamedTypeSpecifierAST *);

    virtual bool visit(SimpleNameAST *ast);
    virtual bool visit(DestructorNameAST *ast);
    virtual bool visit(QualifiedNameAST *ast);
    virtual bool visit(TemplateIdAST *ast);

    virtual bool visit(TemplateDeclarationAST *ast);
    virtual void endVisit(TemplateDeclarationAST *ast);

    virtual bool visit(TypenameTypeParameterAST *ast);
    virtual bool visit(TemplateTypeParameterAST *ast);

    unsigned startOfTemplateDeclaration(TemplateDeclarationAST *ast) const;
    Scope *findScope(AST *ast) const;

    void flush();

private:
    Document::Ptr _doc;
    LookupContext _context;
    QString _fileName;
    QList<Document::DiagnosticMessage> _diagnosticMessages;
    QSet<QByteArray> _potentialTypes;
    QList<ScopedSymbol *> _scopes;
    QList<TemplateDeclarationAST *> _templateDeclarationStack;
    QVector<Use> _typeUsages;
    QFutureInterface<Use> *_future;
};

} // end of namespace CPlusPlus

#endif // CPLUSPLUS_CHECKUNDEFINEDSYMBOLS_H