forked from qt-creator/qt-creator
242 lines
8.7 KiB
C++
242 lines
8.7 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) 2009 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_LOOKUPCONTEXT_H
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#define CPLUSPLUS_LOOKUPCONTEXT_H
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#include "CppDocument.h"
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#include <FullySpecifiedType.h>
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namespace CPlusPlus {
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class CPLUSPLUS_EXPORT LookupItem
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{
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public:
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LookupItem()
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: _lastVisibleSymbol(0) {}
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LookupItem(const FullySpecifiedType &type, Symbol *lastVisibleSymbol)
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: _type(type), _lastVisibleSymbol(lastVisibleSymbol) {}
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FullySpecifiedType type() const { return _type; }
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void setType(const FullySpecifiedType &type) { _type = type; }
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Symbol *lastVisibleSymbol() const { return _lastVisibleSymbol; }
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void setLastVisibleSymbol(Symbol *symbol) { _lastVisibleSymbol = symbol; }
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bool operator == (const LookupItem &other) const
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{
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if (_type == other._type)
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return _lastVisibleSymbol == other._lastVisibleSymbol;
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return false;
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}
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bool operator != (const LookupItem &result) const
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{ return ! operator == (result); }
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private:
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FullySpecifiedType _type;
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Symbol *_lastVisibleSymbol;
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};
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class CPLUSPLUS_EXPORT LookupContext
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{
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public:
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LookupContext(Control *control = 0);
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LookupContext(Symbol *symbol,
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Document::Ptr expressionDocument,
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Document::Ptr thisDocument,
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const Snapshot &snapshot);
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bool isValid() const;
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Control *control() const;
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Symbol *symbol() const;
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Document::Ptr expressionDocument() const;
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Document::Ptr thisDocument() const;
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Document::Ptr document(const QString &fileName) const;
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Snapshot snapshot() const;
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static Symbol *canonicalSymbol(const QList<Symbol *> &candidates,
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NamespaceBinding *globalNamespaceBinding);
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static Symbol *canonicalSymbol(Symbol *symbol,
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NamespaceBinding *globalNamespaceBinding);
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static Symbol *canonicalSymbol(const QList<LookupItem> &candidates,
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NamespaceBinding *globalNamespaceBinding);
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QList<Symbol *> resolve(const Name *name) const
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{ return resolve(name, visibleScopes()); }
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QList<Symbol *> resolveNamespace(const Name *name) const
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{ return resolveNamespace(name, visibleScopes()); }
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QList<Symbol *> resolveClass(const Name *name) const
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{ return resolveClass(name, visibleScopes()); }
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QList<Symbol *> resolveClassOrNamespace(const Name *name) const
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{ return resolveClassOrNamespace(name, visibleScopes()); }
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QList<Symbol *> resolveObjCClass(const Name *name) const
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{ return resolveObjCClass(name, visibleScopes()); }
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QList<Symbol *> resolveObjCProtocol(const Name *name) const
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{ return resolveObjCProtocol(name, visibleScopes()); }
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enum ResolveMode {
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ResolveSymbol = 0x01,
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ResolveClass = 0x02,
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ResolveNamespace = 0x04,
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ResolveClassOrNamespace = ResolveClass | ResolveNamespace,
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ResolveObjCClass = 0x08,
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ResolveObjCProtocol = 0x10,
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ResolveAll = ResolveSymbol | ResolveClassOrNamespace | ResolveObjCClass | ResolveObjCProtocol
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};
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QList<Symbol *> resolve(const Name *name, const QList<Scope *> &visibleScopes,
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ResolveMode mode = ResolveAll) const;
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QList<Symbol *> resolveNamespace(const Name *name, const QList<Scope *> &visibleScopes) const
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{ return resolve(name, visibleScopes, ResolveNamespace); }
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QList<Symbol *> resolveClass(const Name *name, const QList<Scope *> &visibleScopes) const
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{ return resolve(name, visibleScopes, ResolveClass); }
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QList<Symbol *> resolveClassOrNamespace(const Name *name, const QList<Scope *> &visibleScopes) const
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{ return resolve(name, visibleScopes, ResolveClassOrNamespace); }
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QList<Symbol *> resolveObjCClass(const Name *name, const QList<Scope *> &visibleScopes) const
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{ return resolve(name, visibleScopes, ResolveObjCClass); }
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QList<Symbol *> resolveObjCProtocol(const Name *name, const QList<Scope *> &visibleScopes) const
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{ return resolve(name, visibleScopes, ResolveObjCProtocol); }
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QList<Scope *> visibleScopes() const
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{ return _visibleScopes; }
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QList<Scope *> visibleScopes(Symbol *symbol) const;
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QList<Scope *> visibleScopes(const LookupItem &result) const;
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QList<Scope *> expand(const QList<Scope *> &scopes) const;
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void expand(const QList<Scope *> &scopes, QList<Scope *> *expandedScopes) const;
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void expand(Scope *scope, const QList<Scope *> &visibleScopes,
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QList<Scope *> *expandedScopes) const;
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void expandNamespace(Namespace *namespaceSymbol,
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const QList<Scope *> &visibleScopes,
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QList<Scope *> *expandedScopes) const;
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void expandClass(Class *classSymbol,
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const QList<Scope *> &visibleScopes,
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QList<Scope *> *expandedScopes) const;
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void expandBlock(Block *blockSymbol,
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const QList<Scope *> &visibleScopes,
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QList<Scope *> *expandedScopes) const;
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void expandFunction(Function *functionSymbol,
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const QList<Scope *> &visibleScopes,
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QList<Scope *> *expandedScopes) const;
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void expandObjCMethod(ObjCMethod *method,
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const QList<Scope *> &visibleScopes,
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QList<Scope *> *expandedScopes) const;
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void expandObjCClass(ObjCClass *klass,
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const QList<Scope *> &visibleScopes,
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QList<Scope *> *expandedScopes) const;
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void expandObjCProtocol(ObjCProtocol *protocol,
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const QList<Scope *> &visibleScopes,
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QList<Scope *> *expandedScopes) const;
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void expandEnumOrAnonymousSymbol(ScopedSymbol *scopedSymbol,
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QList<Scope *> *expandedScopes) const;
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private:
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static Symbol *canonicalSymbol(Symbol *symbol);
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QList<Symbol *> resolveQualifiedNameId(const QualifiedNameId *q,
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const QList<Scope *> &visibleScopes,
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ResolveMode mode) const;
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QList<Symbol *> resolveOperatorNameId(const OperatorNameId *opId,
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const QList<Scope *> &visibleScopes,
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ResolveMode mode) const;
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QList<Scope *> resolveNestedNameSpecifier(const QualifiedNameId *q,
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const QList<Scope *> &visibleScopes) const;
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const Identifier *identifier(const Name *name) const;
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QList<Scope *> buildVisibleScopes();
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void buildVisibleScopes_helper(Document::Ptr doc, QList<Scope *> *scopes,
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QSet<QString> *processed);
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static bool maybeValidSymbol(Symbol *symbol,
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ResolveMode mode,
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const QList<Symbol *> &candidates);
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private:
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Control *_control;
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// The current symbol.
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Symbol *_symbol;
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// The current expression.
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Document::Ptr _expressionDocument;
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// The current document.
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Document::Ptr _thisDocument;
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// All documents.
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Snapshot _snapshot;
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// Visible scopes.
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QList<Scope *> _visibleScopes;
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};
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uint qHash(const CPlusPlus::LookupItem &result);
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} // end of namespace CPlusPlus
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#if defined(Q_CC_MSVC) && _MSC_VER <= 1300
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//this ensures that code outside QmlJS can use the hash function
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//it also a workaround for some compilers
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inline uint qHash(const CPlusPlus::LookupItem &item) { return CPlusPlus::qHash(item); }
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#endif
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#endif // CPLUSPLUS_LOOKUPCONTEXT_H
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