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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include <cplusplus/Token.h>
#include <QString>
QT_BEGIN_NAMESPACE
class QTextDocument;
QT_END_NAMESPACE
namespace TextEditor { class AssistInterface; }
namespace ClangCodeModel {
namespace Internal {
class ClangCompletionContextAnalyzer
{
public:
ClangCompletionContextAnalyzer(QTextDocument *document, int position, bool isFunctionHint,
CPlusPlus::LanguageFeatures languageFeatures);
void analyze();
enum CompletionAction {
PassThroughToLibClang,
PassThroughToLibClangAfterLeftParen,
CompleteDoxygenKeyword,
CompleteIncludePath,
CompletePreprocessorDirective,
CompleteSignal,
CompleteSlot,
CompleteNone
};
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 functionNameStart() const { return m_functionNameStart; }
int positionEndOfExpression() const { return m_positionEndOfExpression; }
bool addSnippets() const { return m_addSnippets; }
private:
int startOfFunctionCall(int endOfExpression) const;
void setActionAndClangPosition(CompletionAction action,
int position,
int functionNameStart = -1);
void setAction(CompletionAction action);
bool handleNonFunctionCall(int position);
void handleCommaInFunctionCall();
void handleFunctionCall(int endOfOperator);
private:
QTextDocument * const m_document;
const int m_position;
const bool m_isFunctionHint;
const CPlusPlus::LanguageFeatures m_languageFeatures;
// Results
CompletionAction m_completionAction = PassThroughToLibClang;
CPlusPlus::Kind m_completionOperator = CPlusPlus::T_EOF_SYMBOL;
int m_positionForProposal = -1;
int m_positionForClang = -1;
int m_functionNameStart = -1;
int m_positionEndOfExpression = -1;
bool m_addSnippets = false;
};
} // namespace Internal
} // namespace ClangCodeModel
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