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// Copyright (c) 2013 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_NINJA_ACTION_TARGET_WRITER_H_
#define TOOLS_GN_NINJA_ACTION_TARGET_WRITER_H_
#include <vector>
#include "base/gtest_prod_util.h"
#include "base/macros.h"
#include "tools/gn/ninja_target_writer.h"
class OutputFile;
// Writes a .ninja file for a action target type.
class NinjaActionTargetWriter : public NinjaTargetWriter {
public:
NinjaActionTargetWriter(const Target* target, std::ostream& out);
~NinjaActionTargetWriter() override;
void Run() override;
private:
FRIEND_TEST_ALL_PREFIXES(NinjaActionTargetWriter,
WriteOutputFilesForBuildLine);
FRIEND_TEST_ALL_PREFIXES(NinjaActionTargetWriter,
WriteOutputFilesForBuildLineWithDepfile);
FRIEND_TEST_ALL_PREFIXES(NinjaActionTargetWriter, WriteArgsSubstitutions);
// Writes the Ninja rule for invoking the script.
//
// Returns the name of the custom rule generated. This will be based on the
// target name, and will include the string "$unique_name" if there are
// multiple inputs.
std::string WriteRuleDefinition();
// Writes the rules for compiling each source, writing all output files
// to the given vector.
//
// input_deps are the dependencies common to all build steps.
void WriteSourceRules(const std::string& custom_rule_name,
const std::vector<OutputFile>& input_deps,
std::vector<OutputFile>* output_files);
// Writes the output files generated by the output template for the given
// source file. This will start with a space and will not include a newline.
// Appends the output files to the given vector.
void WriteOutputFilesForBuildLine(const SourceFile& source,
std::vector<OutputFile>* output_files);
void WriteDepfile(const SourceFile& source);
// Path output writer that doesn't do any escaping or quoting. It does,
// however, convert slashes. Used for
// computing intermediate strings.
PathOutput path_output_no_escaping_;
DISALLOW_COPY_AND_ASSIGN(NinjaActionTargetWriter);
};
#endif // TOOLS_GN_NINJA_ACTION_TARGET_WRITER_H_