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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef CPPCOMPLETIONASSIST_H
#define CPPCOMPLETIONASSIST_H
#include "cppcompletionassistprocessor.h"
#include "cppcompletionassistprovider.h"
#include "cppmodelmanager.h"
#include "cppworkingcopy.h"
#include <cplusplus/Icons.h>
#include <cplusplus/Symbol.h>
#include <cplusplus/TypeOfExpression.h>
#include <texteditor/texteditor.h>
#include <texteditor/codeassist/genericproposalmodel.h>
#include <texteditor/codeassist/assistinterface.h>
#include <texteditor/codeassist/iassistprocessor.h>
#include <texteditor/snippets/snippetassistcollector.h>
#include <QStringList>
#include <QVariant>
namespace CPlusPlus {
class LookupItem;
class LookupScope;
class Function;
class LookupContext;
} // namespace CPlusPlus
namespace CppTools {
namespace Internal {
class CppCompletionAssistInterface;
class CppAssistProposalModel : public TextEditor::GenericProposalModel
{
public:
CppAssistProposalModel()
: TextEditor::GenericProposalModel()
, m_completionOperator(CPlusPlus::T_EOF_SYMBOL)
, m_replaceDotForArrow(false)
, m_typeOfExpression(new CPlusPlus::TypeOfExpression)
{
m_typeOfExpression->setExpandTemplates(true);
}
bool isSortable(const QString &prefix) const override;
TextEditor::AssistProposalItem *proposalItem(int index) const override;
unsigned m_completionOperator;
bool m_replaceDotForArrow;
QSharedPointer<CPlusPlus::TypeOfExpression> m_typeOfExpression;
};
class InternalCompletionAssistProvider : public CppCompletionAssistProvider
{
Q_OBJECT
public:
TextEditor::IAssistProcessor *createProcessor() const override;
TextEditor::AssistInterface *createAssistInterface(
const QString &filePath,
const TextEditor::TextEditorWidget *textEditorWidget,
const CPlusPlus::LanguageFeatures &languageFeatures,
int position,
TextEditor::AssistReason reason) const override;
};
class InternalCppCompletionAssistProcessor : public CppCompletionAssistProcessor
{
public:
InternalCppCompletionAssistProcessor();
~InternalCppCompletionAssistProcessor();
TextEditor::IAssistProposal *perform(const TextEditor::AssistInterface *interface) override;
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::LookupScope *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::LookupScope *binding);
void completeClass(CPlusPlus::LookupScope *b, bool staticLookup = true);
void addClassMembersToCompletion(CPlusPlus::Scope *scope, bool staticLookup);
enum CompleteQtMethodMode {
CompleteQt4Signals,
CompleteQt4Slots,
CompleteQt5Signals,
CompleteQt5Slots,
};
bool completeQtMethod(const QList<CPlusPlus::LookupItem> &results, CompleteQtMethodMode type);
bool completeQtMethodClassName(const QList<CPlusPlus::LookupItem> &results,
CPlusPlus::Scope *cursorScope);
bool 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,
int order = 0);
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);
enum {
CompleteQt5SignalOrSlotClassNameTrigger = CPlusPlus::T_LAST_TOKEN + 1,
CompleteQt5SignalTrigger,
CompleteQt5SlotTrigger
};
QScopedPointer<const CppCompletionAssistInterface> m_interface;
QScopedPointer<CppAssistProposalModel> m_model;
};
class CppCompletionAssistInterface : public TextEditor::AssistInterface
{
public:
CppCompletionAssistInterface(const QString &filePath,
const TextEditor::TextEditorWidget *textEditorWidget,
const CPlusPlus::LanguageFeatures &languageFeatures,
int position,
TextEditor::AssistReason reason,
const WorkingCopy &workingCopy)
: TextEditor::AssistInterface(textEditorWidget->document(), position, filePath, reason)
, m_gotCppSpecifics(false)
, m_workingCopy(workingCopy)
, m_languageFeatures(languageFeatures)
{}
CppCompletionAssistInterface(const QString &filePath,
QTextDocument *textDocument,
int position,
TextEditor::AssistReason reason,
const CPlusPlus::Snapshot &snapshot,
const ProjectPart::HeaderPaths &headerPaths,
const CPlusPlus::LanguageFeatures &features)
: TextEditor::AssistInterface(textDocument, position, filePath, reason)
, m_gotCppSpecifics(true)
, m_snapshot(snapshot)
, m_headerPaths(headerPaths)
, m_languageFeatures(features)
{}
const CPlusPlus::Snapshot &snapshot() const { getCppSpecifics(); return m_snapshot; }
const ProjectPart::HeaderPaths &headerPaths() const
{ getCppSpecifics(); return m_headerPaths; }
CPlusPlus::LanguageFeatures languageFeatures() const
{ getCppSpecifics(); return m_languageFeatures; }
private:
void getCppSpecifics() const;
mutable bool m_gotCppSpecifics;
WorkingCopy m_workingCopy;
mutable CPlusPlus::Snapshot m_snapshot;
mutable ProjectPart::HeaderPaths m_headerPaths;
mutable CPlusPlus::LanguageFeatures m_languageFeatures;
};
} // Internal
} // CppTools
Q_DECLARE_METATYPE(CPlusPlus::Symbol *)
#endif // CPPCOMPLETIONASSIST_H
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