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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef TOOLS_GN_COMPILE_COMMANDS_WRITER_H_
#define TOOLS_GN_COMPILE_COMMANDS_WRITER_H_
#include "tools/gn/err.h"
#include "tools/gn/target.h"
class Builder;
class BuildSettings;
class CompileCommandsWriter {
public:
// Write compile commands into a json file located by parameter file_name.
//
// Parameter target_filters should be in "target_name1,target_name2..."
// format. If it is not empty, only targets that are reachable from targets
// in target_filters are used to generate compile commands.
//
// Parameter quiet is not used.
static bool RunAndWriteFiles(const BuildSettings* build_setting,
const Builder& builder,
const std::string& file_name,
const std::string& target_filters,
bool quiet,
Err* err);
static void RenderJSON(const BuildSettings* build_settings,
std::vector<const Target*>& all_targets,
std::string* compile_commands);
static std::vector<const Target*> FilterTargets(
const std::vector<const Target*>& all_targets,
const std::set<std::string>& target_filters_set);
private:
// This fuction visits the deps graph of a target in a DFS fashion.
static void VisitDeps(const Target* target, std::set<const Target*>* visited);
};
#endif // TOOLS_GN_COMPILE_COMMANDS_WRITER_H_