forked from qt-creator/qt-creator
Initial work on the new LookupContext.
This commit is contained in:
Roberto Raggi
210
src/libs/cplusplus/LookupContext.h
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210
src/libs/cplusplus/LookupContext.h
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/**************************************************************************
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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_LOOKUPCONTEXT_H
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#define CPLUSPLUS_LOOKUPCONTEXT_H
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#include "CppDocument.h"
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#include "LookupItem.h"
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#include <FullySpecifiedType.h>
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#include <Type.h>
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#include <SymbolVisitor.h>
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#include <QtCore/QSet>
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namespace CPlusPlus {
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class CreateBindings;
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class CPLUSPLUS_EXPORT ClassOrNamespace
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{
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public:
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ClassOrNamespace(CreateBindings *factory, ClassOrNamespace *parent);
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QList<ClassOrNamespace *> usings() const;
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QList<Enum *> enums() const;
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QList<Symbol *> symbols() const;
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ClassOrNamespace *globalNamespace() const;
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QList<Symbol *> lookup(const Name *name);
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ClassOrNamespace *lookupClassOrNamespace(const Name *name);
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ClassOrNamespace *findClassOrNamespace(const Name *name);
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ClassOrNamespace *findClassOrNamespace(const QList<QByteArray> &path);
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/// \internal
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static void lookup_helper(const Name *name, Scope *scope, QList<Symbol *> *result);
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private:
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/// \internal
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void flush();
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/// \internal
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ClassOrNamespace *findOrCreate(const Name *name);
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void addTodo(Symbol *symbol);
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void addSymbol(Symbol *symbol);
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void addEnum(Enum *e);
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void addUsing(ClassOrNamespace *u);
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void addNestedClassOrNamespace(const QByteArray &alias, ClassOrNamespace *e);
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void lookup_helper(const Name *name, ClassOrNamespace *binding,
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QList<Symbol *> *result,
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QSet<ClassOrNamespace *> *processed);
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ClassOrNamespace *lookupClassOrNamespace_helper(const Name *name, QSet<ClassOrNamespace *> *processed);
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ClassOrNamespace *findClassOrNamespace_helper(const Name *name, QSet<ClassOrNamespace *> *processed);
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ClassOrNamespace *findClassOrNamespace_helper(const QByteArray &name, QSet<ClassOrNamespace *> *processed);
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ClassOrNamespace *nestedClassOrNamespace(const QByteArray &name) const;
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private:
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CreateBindings *_factory;
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ClassOrNamespace *_parent;
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QList<Symbol *> _symbols;
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QList<ClassOrNamespace *> _usings;
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QHash<QByteArray, ClassOrNamespace *> _classOrNamespaces;
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QList<Enum *> _enums;
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QList<Symbol *> _todo;
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bool _flushing;
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friend class CreateBindings;
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};
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class CPLUSPLUS_EXPORT CreateBindings: protected SymbolVisitor
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{
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Q_DISABLE_COPY(CreateBindings)
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public:
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CreateBindings(Document::Ptr thisDocument, const Snapshot &snapshot);
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virtual ~CreateBindings();
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ClassOrNamespace *globalNamespace() const;
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ClassOrNamespace *findClassOrNamespace(Symbol *s); // ### rename
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ClassOrNamespace *findClassOrNamespace(const QList<QByteArray> &path);
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/// \internal
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void process(Symbol *s, ClassOrNamespace *classOrNamespace);
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/// \internal
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ClassOrNamespace *allocClassOrNamespace(ClassOrNamespace *parent);
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protected:
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using SymbolVisitor::visit;
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ClassOrNamespace *switchCurrentEntity(ClassOrNamespace *classOrNamespace);
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ClassOrNamespace *enterEntity(Symbol *symbol);
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ClassOrNamespace *enterGlobalEntity(Symbol *symbol);
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void process(Document::Ptr doc);
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void process(Symbol *symbol);
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virtual bool visit(Namespace *ns);
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virtual bool visit(Class *klass);
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virtual bool visit(ForwardClassDeclaration *klass);
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virtual bool visit(Enum *e);
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virtual bool visit(Declaration *decl);
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virtual bool visit(Function *);
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virtual bool visit(BaseClass *b);
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virtual bool visit(UsingNamespaceDirective *u);
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virtual bool visit(NamespaceAlias *a);
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virtual bool visit(ObjCClass *klass);
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virtual bool visit(ObjCBaseClass *b);
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virtual bool visit(ObjCForwardClassDeclaration *klass);
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virtual bool visit(ObjCProtocol *proto);
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virtual bool visit(ObjCBaseProtocol *b);
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virtual bool visit(ObjCForwardProtocolDeclaration *proto);
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virtual bool visit(ObjCMethod *);
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private:
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Snapshot _snapshot;
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QSet<Namespace *> _processed;
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QList<ClassOrNamespace *> _entities;
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ClassOrNamespace *_globalNamespace;
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ClassOrNamespace *_currentClassOrNamespace;
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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();
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LookupContext(Document::Ptr thisDocument,
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const Snapshot &snapshot);
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LookupContext(Document::Ptr expressionDocument,
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Document::Ptr thisDocument,
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const Snapshot &snapshot);
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LookupContext(const LookupContext &other);
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LookupContext &operator = (const LookupContext &other);
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bool isValid() 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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QList<Symbol *> lookup(const Name *name, Scope *scope) const;
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ClassOrNamespace *globalNamespace() const;
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ClassOrNamespace *classOrNamespace(const Name *name, Scope *scope) const;
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ClassOrNamespace *classOrNamespace(Symbol *symbol) const;
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/// \internal
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QSharedPointer<CreateBindings> bindings() const;
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/// \internal
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void setBindings(QSharedPointer<CreateBindings> bindings);
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Q_DECL_DEPRECATED Control *control() const;
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private:
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Control *_control;
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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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// Bindings
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mutable QSharedPointer<CreateBindings> _bindings;
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};
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} // end of namespace CPlusPlus
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#endif // CPLUSPLUS_LOOKUPCONTEXT_H
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