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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef CPPCODECOMPLETION_H
#define CPPCODECOMPLETION_H
#include <ASTfwd.h>
#include <FullySpecifiedType.h>
#include <cplusplus/Icons.h>
#include <cplusplus/Overview.h>
#include <cplusplus/TypeOfExpression.h>
#include <texteditor/icompletioncollector.h>
#include <texteditor/snippets/snippetcollector.h>
#include <QtCore/QObject>
#include <QtCore/QPointer>
QT_BEGIN_NAMESPACE
class QTextCursor;
QT_END_NAMESPACE
namespace TextEditor {
class ITextEditor;
class BaseTextEditorWidget;
}
namespace CPlusPlus {
class LookupItem;
class ClassOrNamespace;
}
namespace CppTools {
namespace Internal {
class CppModelManager;
class FunctionArgumentWidget;
class CppCodeCompletion : public TextEditor::ICompletionCollector
{
Q_OBJECT
public:
explicit CppCodeCompletion(CppModelManager *manager);
void setObjcEnabled(bool objcEnabled)
{ m_objcEnabled = objcEnabled; }
TextEditor::ITextEditor *editor() const;
int startPosition() const;
bool shouldRestartCompletion();
QList<TextEditor::CompletionItem> getCompletions();
bool supportsEditor(TextEditor::ITextEditor *editor) const;
bool supportsPolicy(TextEditor::CompletionPolicy policy) const;
bool triggersCompletion(TextEditor::ITextEditor *editor);
int startCompletion(TextEditor::ITextEditor *editor);
void completions(QList<TextEditor::CompletionItem> *completions);
bool typedCharCompletes(const TextEditor::CompletionItem &item, QChar typedChar);
void complete(const TextEditor::CompletionItem &item, QChar typedChar);
bool partiallyComplete(const QList<TextEditor::CompletionItem> &completionItems);
void cleanup();
QIcon iconForSymbol(CPlusPlus::Symbol *symbol) const;
private:
void addSnippets();
void addKeywords();
void addMacros(const QString &fileName, const CPlusPlus::Snapshot &snapshot);
void addMacros_helper(const CPlusPlus::Snapshot &snapshot,
const QString &fileName,
QSet<QString> *processed,
QSet<QString> *definedMacros);
void addCompletionItem(CPlusPlus::Symbol *symbol);
bool completeInclude(const QTextCursor &cursor);
void completePreprocessor();
void globalCompletion(CPlusPlus::Scope *scope);
bool completeConstructorOrFunction(const QList<CPlusPlus::LookupItem> &results,
int endOfExpression, bool toolTipOnly);
bool completeMember(const QList<CPlusPlus::LookupItem> &results);
bool completeScope(const QList<CPlusPlus::LookupItem> &results);
void completeNamespace(CPlusPlus::ClassOrNamespace *binding);
void completeClass(CPlusPlus::ClassOrNamespace *b,
bool staticLookup = true);
bool completeConstructors(CPlusPlus::Class *klass);
bool completeQtMethod(const QList<CPlusPlus::LookupItem> &results,
bool wantSignals);
bool completeSignal(const QList<CPlusPlus::LookupItem> &results)
{ return completeQtMethod(results, true); }
bool completeSlot(const QList<CPlusPlus::LookupItem> &results)
{ return completeQtMethod(results, false); }
int findStartOfName(int pos = -1) const;
int startCompletionHelper(TextEditor::ITextEditor *editor);
int startCompletionInternal(TextEditor::BaseTextEditorWidget *edit,
const QString fileName,
unsigned line, unsigned column,
const QString &expression,
int endOfExpression);
QList<TextEditor::CompletionItem> removeDuplicates(const QList<TextEditor::CompletionItem> &items);
private:
void completeObjCMsgSend(CPlusPlus::ClassOrNamespace *binding,
bool staticClassAccess);
bool tryObjCCompletion(TextEditor::BaseTextEditorWidget *edit);
bool objcKeywordsWanted() const;
static QStringList preprocessorCompletions;
CppModelManager *m_manager;
TextEditor::ITextEditor *m_editor;
int m_startPosition; // Position of the cursor from which completion started
bool m_shouldRestartCompletion;
bool m_automaticCompletion;
unsigned m_completionOperator;
bool m_objcEnabled;
TextEditor::SnippetCollector m_snippetProvider;
CPlusPlus::Icons m_icons;
CPlusPlus::Overview overview;
CPlusPlus::TypeOfExpression typeOfExpression;
QPointer<FunctionArgumentWidget> m_functionArgumentWidget;
QList<TextEditor::CompletionItem> m_completions;
};
} // namespace Internal
} // namespace CppTools
Q_DECLARE_METATYPE(CPlusPlus::Symbol *)
#endif // CPPCODECOMPLETION_H
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