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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 CLANGCOMPLETIONCONTEXTANALYZER_H
#define CLANGCOMPLETIONCONTEXTANALYZER_H
#include <cplusplus/Token.h>
#include <QString>
namespace TextEditor { class AssistInterface; }
namespace ClangCodeModel {
namespace Internal {
class ClangCompletionAssistInterface;
class ClangCompletionContextAnalyzer
{
public:
ClangCompletionContextAnalyzer(const ClangCompletionAssistInterface *assistInterface,
CPlusPlus::LanguageFeatures languageFeatures);
void analyze();
enum CompletionAction {
PassThroughToLibClang,
PassThroughToLibClangAfterLeftParen,
CompleteDoxygenKeyword,
CompleteIncludePath,
CompletePreprocessorDirective,
CompleteSignal,
CompleteSlot
};
CompletionAction completionAction() const { return m_completionAction; }
unsigned completionOperator() const { return m_completionOperator; }
int positionForProposal() const { return m_positionForProposal; }
int positionForClang() const { return m_positionForClang; }
int positionEndOfExpression() const { return m_positionEndOfExpression; }
QString functionName() const { return m_functionName; }
private:
ClangCompletionContextAnalyzer();
struct FunctionInfo { int functionNamePosition; QString functionName; };
FunctionInfo analyzeFunctionCall(int endOfExpression) const;
void setActionAndClangPosition(CompletionAction action, int position);
void setAction(CompletionAction action);
bool handleNonFunctionCall(int position);
void handleCommaInFunctionCall();
void handleFunctionCall(int endOfOperator);
private:
const ClangCompletionAssistInterface *m_interface; // Not owned
const CPlusPlus::LanguageFeatures m_languageFeatures; // TODO: Get from assistInterface?!
// Results
CompletionAction m_completionAction = PassThroughToLibClang;
CPlusPlus::Kind m_completionOperator = CPlusPlus::T_EOF_SYMBOL;
int m_positionForProposal = -1;
int m_positionForClang = -1;
int m_positionEndOfExpression = -1;
QString m_functionName;
};
} // namespace Internal
} // namespace ClangCodeModel
#endif // CLANGCOMPLETIONCONTEXTANALYZER_H
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