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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** 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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#ifndef CPLUSPLUS_LOOKUPCONTEXT_H
#define CPLUSPLUS_LOOKUPCONTEXT_H
#include "CppDocument.h"
#include <QPair>
namespace CPlusPlus {
class CPLUSPLUS_EXPORT LookupContext
{
public:
LookupContext(Control *control = 0);
LookupContext(Symbol *symbol,
Document::Ptr expressionDocument,
Document::Ptr thisDocument,
const Snapshot &snapshot);
bool isValid() const;
Control *control() const;
Symbol *symbol() const;
Document::Ptr expressionDocument() const;
Document::Ptr thisDocument() const;
Document::Ptr document(const QString &fileName) const;
Snapshot snapshot() const;
QList<Symbol *> resolve(Name *name) const
{ return resolve(name, visibleScopes()); }
QList<Symbol *> resolveNamespace(Name *name) const
{ return resolveNamespace(name, visibleScopes()); }
QList<Symbol *> resolveClass(Name *name) const
{ return resolveClass(name, visibleScopes()); }
QList<Symbol *> resolveClassOrNamespace(Name *name) const
{ return resolveClassOrNamespace(name, visibleScopes()); }
enum ResolveMode {
ResolveSymbol = 0x01,
ResolveClass = 0x02,
ResolveNamespace = 0x04,
ResolveClassOrNamespace = ResolveClass | ResolveNamespace,
ResolveAll = ResolveSymbol | ResolveClassOrNamespace
};
QList<Symbol *> resolve(Name *name, const QList<Scope *> &visibleScopes,
ResolveMode mode = ResolveAll) const;
QList<Symbol *> resolveNamespace(Name *name, const QList<Scope *> &visibleScopes) const
{ return resolve(name, visibleScopes, ResolveNamespace); }
QList<Symbol *> resolveClass(Name *name, const QList<Scope *> &visibleScopes) const
{ return resolve(name, visibleScopes, ResolveClass); }
QList<Symbol *> resolveClassOrNamespace(Name *name, const QList<Scope *> &visibleScopes) const
{ return resolve(name, visibleScopes, ResolveClassOrNamespace); }
QList<Scope *> visibleScopes() const
{ return _visibleScopes; }
QList<Scope *> visibleScopes(const QPair<FullySpecifiedType, Symbol *> &result) const;
QList<Scope *> expand(const QList<Scope *> &scopes) const;
void expand(const QList<Scope *> &scopes, QList<Scope *> *expandedScopes) const;
void expand(Scope *scope, const QList<Scope *> &visibleScopes,
QList<Scope *> *expandedScopes) const;
void expandNamespace(Namespace *namespaceSymbol,
const QList<Scope *> &visibleScopes,
QList<Scope *> *expandedScopes) const;
void expandClass(Class *classSymbol,
const QList<Scope *> &visibleScopes,
QList<Scope *> *expandedScopes) const;
void expandBlock(Block *blockSymbol,
const QList<Scope *> &visibleScopes,
QList<Scope *> *expandedScopes) const;
void expandFunction(Function *functionSymbol,
const QList<Scope *> &visibleScopes,
QList<Scope *> *expandedScopes) const;
void expandEnumOrAnonymousSymbol(ScopedSymbol *scopedSymbol,
QList<Scope *> *expandedScopes) const;
private:
QList<Symbol *> resolveQualifiedNameId(QualifiedNameId *q,
const QList<Scope *> &visibleScopes,
ResolveMode mode) const;
QList<Symbol *> resolveOperatorNameId(OperatorNameId *opId,
const QList<Scope *> &visibleScopes,
ResolveMode mode) const;
QList<Scope *> resolveNestedNameSpecifier(QualifiedNameId *q,
const QList<Scope *> &visibleScopes) const;
Identifier *identifier(const Name *name) const;
QList<Scope *> buildVisibleScopes();
void buildVisibleScopes_helper(Document::Ptr doc, QList<Scope *> *scopes,
QSet<QString> *processed);
static bool maybeValidSymbol(Symbol *symbol,
ResolveMode mode,
const QList<Symbol *> &candidates);
private:
Control *_control;
// The current symbol.
Symbol *_symbol;
// The current expression.
Document::Ptr _expressionDocument;
// The current document.
Document::Ptr _thisDocument;
// All documents.
Snapshot _snapshot;
// Visible scopes.
QList<Scope *> _visibleScopes;
};
} // end of namespace CPlusPlus
#endif // CPLUSPLUS_LOOKUPCONTEXT_H
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