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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include <clangcodemodel/clangcompletionassistinterface.h>
#include <cplusplus/Token.h>
#include <QTextCursor>
QT_BEGIN_NAMESPACE
class QTextDocument;
QT_END_NAMESPACE
namespace ClangCodeModel {
namespace Internal {
class ActivationSequenceContextProcessor
{
public:
ActivationSequenceContextProcessor(const ClangCompletionAssistInterface *assistInterface);
CPlusPlus::Kind completionKind() const;
int startOfNamePosition() const; // e.g. points to 'b' in "foo.bar<CURSOR>"
int operatorStartPosition() const; // e.g. points to '.' for "foo.bar<CURSOR>"
const QTextCursor &textCursor_forTestOnly() const;
enum class NameCategory { Function, NonFunction };
static int findStartOfName(const TextEditor::AssistInterface *assistInterface,
int startPosition,
NameCategory category = NameCategory::NonFunction);
static int skipPrecedingWhitespace(const TextEditor::AssistInterface *assistInterface,
int startPosition);
protected:
void process();
void goBackToStartOfName();
void processActivationSequence();
void processStringLiteral();
void processComma();
void generateTokens();
void processDoxygenComment();
void processComment();
void processInclude();
void processSlashOutsideOfAString();
void processLeftParenOrBrace();
void processPreprocessorInclude();
void resetPositionsForEOFCompletionKind();
bool isCompletionKindStringLiteralOrSlash() const;
bool isProbablyPreprocessorIncludeDirective() const;
private:
QVector<CPlusPlus::Token> m_tokens;
QTextCursor m_textCursor;
CPlusPlus::Token m_token;
const ClangCompletionAssistInterface *m_assistInterface;
int m_tokenIndex;
const int m_positionInDocument;
int m_startOfNamePosition;
int m_operatorStartPosition;
CPlusPlus::Kind m_completionKind;
};
} // namespace Internal
} // namespace ClangCodeModel
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