|  | // 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. | 
|  |  | 
|  | #include "tools/gn/settings.h" | 
|  |  | 
|  | #include "base/logging.h" | 
|  | #include "tools/gn/filesystem_utils.h" | 
|  | #include "util/build_config.h" | 
|  |  | 
|  | Settings::Settings(const BuildSettings* build_settings, | 
|  | const std::string& output_subdir_name) | 
|  | : build_settings_(build_settings), base_config_(this) { | 
|  | if (output_subdir_name.empty()) { | 
|  | toolchain_output_dir_ = build_settings->build_dir(); | 
|  | } else { | 
|  | // We guarantee this ends in a slash. | 
|  | DCHECK(output_subdir_name[output_subdir_name.size() - 1] == '/'); | 
|  | toolchain_output_subdir_.value().append(output_subdir_name); | 
|  |  | 
|  | DCHECK(!build_settings->build_dir().is_null()); | 
|  | toolchain_output_dir_ = SourceDir(build_settings->build_dir().value() + | 
|  | toolchain_output_subdir_.value()); | 
|  | } | 
|  | // The output dir will be null in some tests and when invoked to parsed | 
|  | // one-off data without doing generation. | 
|  | if (!toolchain_output_dir_.is_null()) | 
|  | toolchain_gen_dir_ = SourceDir(toolchain_output_dir_.value() + "gen/"); | 
|  | } |