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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 <filepathcachingfwd.h>
#include <filepath.h>
#include <filepathid.h>
#include <utils/smallstringfwd.h>
#include <vector>
#include <unordered_map>
using uint = unsigned int;
namespace llvm {
class StringRef;
}
namespace clang {
class SourceManager;
class LangOptions;
class SourceRange;
class FullSourceLoc;
class FileID;
class FileEntry;
}
namespace ClangBackEnd {
class SourceRangesContainer;
class SourceRangeWithTextContainer;
class SourceRangeExtractor
{
public:
SourceRangeExtractor(const clang::SourceManager &sourceManager,
const clang::LangOptions &languageOptions,
FilePathCachingInterface &filePathCache,
SourceRangesContainer &sourceRangesContainer);
void addSourceRange(const clang::SourceRange &sourceRange);
void addSourceRanges(const std::vector<clang::SourceRange> &sourceRanges);
const std::vector<SourceRangeWithTextContainer> &sourceRangeWithTextContainers() const;
static const char *findStartOfLineInBuffer(const llvm::StringRef buffer, uint startOffset);
static const char *findEndOfLineInBuffer(llvm::StringRef buffer, uint endOffset);
static Utils::SmallString getExpandedText(llvm::StringRef buffer, uint startOffset, uint endOffset);
const clang::SourceRange extendSourceRangeToLastTokenEnd(const clang::SourceRange sourceRange);
private:
void insertSourceRange(FilePathId filePathId,
const clang::FullSourceLoc &startLocation,
uint startOffset,
const clang::FullSourceLoc &endLocation,
uint endOffset,
Utils::SmallString &&lineSnippet);
FilePathId findFileId(clang::FileID fileId, const clang::FileEntry *fileEntry) const;
private:
mutable std::unordered_map<uint, FilePathId> m_fileIdMapping;
const clang::SourceManager &sourceManager;
const clang::LangOptions &languageOptions;
FilePathCachingInterface &filePathCache;
SourceRangesContainer &sourceRangesContainer;
};
} // namespace ClangBackEnd
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