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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef TOOLS_CLANG_REWRITE_TO_CHROME_STYLE_EDIT_TRACKER_H_
#define TOOLS_CLANG_REWRITE_TO_CHROME_STYLE_EDIT_TRACKER_H_
#include <map>
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSet.h"
namespace llvm {
class raw_ostream;
} // namespace llvm
struct EditInfo {
std::string new_text;
llvm::StringSet<> filenames;
};
enum class RenameCategory {
kEnumValue,
kField,
kFunction,
kUnresolved,
kVariable,
};
// Simple class that tracks the edits made by path. Used to dump the databaes
// used by the Blink rebase helper.
class EditTracker {
public:
explicit EditTracker(RenameCategory category);
void Add(const clang::SourceManager& source_manager,
clang::SourceLocation location,
llvm::StringRef original_text,
llvm::StringRef new_text);
// Serializes the tracked edits to |output|. Emits:
// <filename>:<tag>:<original text>:<new text>
// for each distinct filename for each tracked edit.
void SerializeTo(llvm::raw_ostream& output) const;
private:
EditTracker(const EditTracker&) = delete;
EditTracker& operator=(const EditTracker&) = delete;
// The string key is the original text.
llvm::StringMap<EditInfo> tracked_edits_;
RenameCategory category_;
};
#endif // #define TOOLS_CLANG_REWRITE_TO_CHROME_STYLE_EDIT_TRACKER_H_
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