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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt for Python.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CLANGPARSER_H
#define CLANGPARSER_H
#include <clang-c/Index.h>
#include <QtCore/QByteArrayList>
#include <QtCore/QHash>
#include <QtCore/QPair>
#include <QtCore/QString>
#include <QtCore/QList>
#include <string_view>
namespace clang {
struct Diagnostic;
class SourceFileCache {
public:
std::string_view getCodeSnippet(const CXCursor &cursor, QString *errorMessage = nullptr);
QString getFileName(CXFile file);
private:
using FileBufferCache = QHash<CXFile, QByteArray>;
using FileNameCache = QHash<CXFile, QString>;
FileBufferCache m_fileBufferCache;
FileNameCache m_fileNameCache;
};
class BaseVisitor {
Q_DISABLE_COPY(BaseVisitor)
public:
using Diagnostics = QList<Diagnostic>;
enum StartTokenResult { Error, Skip, Recurse };
BaseVisitor();
virtual ~BaseVisitor();
// Whether location should be visited.
// defaults to clang_Location_isFromMainFile()
virtual bool visitLocation(const CXSourceLocation &location) const;
virtual StartTokenResult startToken(const CXCursor &cursor) = 0;
virtual bool endToken(const CXCursor &cursor) = 0;
StartTokenResult cbHandleStartToken(const CXCursor &cursor);
bool cbHandleEndToken(const CXCursor &cursor, StartTokenResult startResult);
QString getFileName(CXFile file) { return m_fileCache.getFileName(file); }
std::string_view getCodeSnippet(const CXCursor &cursor);
QString getCodeSnippetString(const CXCursor &cursor);
Diagnostics diagnostics() const;
void setDiagnostics(const Diagnostics &d);
void appendDiagnostic(const Diagnostic &d);
private:
SourceFileCache m_fileCache;
Diagnostics m_diagnostics;
};
bool parse(const QByteArrayList &clangArgs,
bool addCompilerSupportArguments,
unsigned clangFlags, BaseVisitor &ctx);
} // namespace clang
#endif // !CLANGPARSER_H
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