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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@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 CPPCOMPLETIONASSIST_H
#define CPPCOMPLETIONASSIST_H
#include <cplusplus/Icons.h>
#include <cplusplus/Overview.h>
#include <cplusplus/TypeOfExpression.h>
#include <cplusplus/CppDocument.h>
#if QT_VERSION >= 0x050000
// Qt 5 requires the types to be defined for Q_DECLARE_METATYPE
# include <cplusplus/Symbol.h>
#endif
#include <texteditor/codeassist/completionassistprovider.h>
#include <texteditor/codeassist/iassistprocessor.h>
#include <texteditor/snippets/snippetassistcollector.h>
#include <texteditor/codeassist/defaultassistinterface.h>
#include <QStringList>
#include <QVariant>
QT_BEGIN_NAMESPACE
class QTextCursor;
QT_END_NAMESPACE
namespace CPlusPlus {
class LookupItem;
class ClassOrNamespace;
class Function;
class LookupContext;
}
namespace CppTools {
namespace Internal {
class CppCompletionAssistInterface;
class CppAssistProposalModel;
class CppCompletionAssistProvider : public TextEditor::CompletionAssistProvider
{
public:
virtual bool supportsEditor(const Core::Id &editorId) const;
virtual int activationCharSequenceLength() const;
virtual bool isActivationCharSequence(const QString &sequence) const;
virtual TextEditor::IAssistProcessor *createProcessor() const;
};
class CppCompletionAssistProcessor : public TextEditor::IAssistProcessor
{
public:
CppCompletionAssistProcessor();
virtual ~CppCompletionAssistProcessor();
virtual TextEditor::IAssistProposal *perform(const TextEditor::IAssistInterface *interface);
private:
TextEditor::IAssistProposal *createContentProposal();
TextEditor::IAssistProposal *createHintProposal(QList<CPlusPlus::Function *> symbols) const;
bool accepts() const;
int startOfOperator(int pos, unsigned *kind, bool wantFunctionCall) const;
int findStartOfName(int pos = -1) const;
int startCompletionHelper();
bool tryObjCCompletion();
bool objcKeywordsWanted() const;
int startCompletionInternal(const QString fileName,
unsigned line, unsigned column,
const QString &expression,
int endOfExpression);
void completeObjCMsgSend(CPlusPlus::ClassOrNamespace *binding, bool staticClassAccess);
bool completeInclude(const QTextCursor &cursor);
void completeInclude(const QString &realPath, const QStringList &suffixes);
void completePreprocessor();
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 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); }
void globalCompletion(CPlusPlus::Scope *scope);
void addCompletionItem(const QString &text,
const QIcon &icon = QIcon(),
int order = 0,
const QVariant &data = QVariant());
void addCompletionItem(CPlusPlus::Symbol *symbol);
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);
int m_startPosition;
bool m_objcEnabled;
QScopedPointer<const CppCompletionAssistInterface> m_interface;
QList<TextEditor::BasicProposalItem *> m_completions;
TextEditor::SnippetAssistCollector m_snippetCollector;
const CppCompletionAssistProvider *m_provider;
CPlusPlus::Icons m_icons;
QStringList preprocessorCompletions;
QScopedPointer<CppAssistProposalModel> m_model;
TextEditor::IAssistProposal *m_hintProposal;
};
class CppCompletionAssistInterface : public TextEditor::DefaultAssistInterface
{
public:
CppCompletionAssistInterface(QTextDocument *document,
int position,
Core::IFile *file,
TextEditor::AssistReason reason,
const CPlusPlus::Snapshot &snapshot,
const QStringList &includePaths,
const QStringList &frameworkPaths)
: TextEditor::DefaultAssistInterface(document, position, file, reason)
, m_snapshot(snapshot)
, m_includePaths(includePaths)
, m_frameworkPaths(frameworkPaths)
{}
const CPlusPlus::Snapshot &snapshot() const { return m_snapshot; }
const QStringList &includePaths() const { return m_includePaths; }
const QStringList &frameworkPaths() const { return m_frameworkPaths; }
private:
CPlusPlus::Snapshot m_snapshot;
QStringList m_includePaths;
QStringList m_frameworkPaths;
};
} // Internal
} // CppTools
Q_DECLARE_METATYPE(CPlusPlus::Symbol *)
#endif // CPPCOMPLETIONASSIST_H
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