blob: daea82dd2278919366bf313e4f63bb1c48c5f18f [file] [log] [blame]
// 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 <map>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/files/file_path.h"
#include "base/memory/scoped_ptr.h"
#include "tools/gn/args.h"
#include "tools/gn/scope.h"
#include "tools/gn/source_dir.h"
#include "tools/gn/source_file.h"
class Item;
class OutputFile;
// Settings for one build, which is one toplevel output directory. There
// may be multiple Settings objects that refer to this, one for each toolchain.
class BuildSettings {
typedef base::Callback<void(scoped_ptr<Item>)> ItemDefinedCallback;
typedef base::Callback<void(const std::string&)> PrintCallback;
BuildSettings(const BuildSettings& other);
// Absolute path of the source root on the local system. Everything is
// relative to this. Does not end in a [back]slash.
const base::FilePath& root_path() const { return root_path_; }
const std::string& root_path_utf8() const { return root_path_utf8_; }
void SetRootPath(const base::FilePath& r);
// When nonempty, specifies a parallel directory higherarchy in which to
// search for buildfiles if they're not found in the root higherarchy. This
// allows us to keep buildfiles in a separate tree during development.
const base::FilePath& secondary_source_path() const {
return secondary_source_path_;
void SetSecondarySourcePath(const SourceDir& d);
// Path of the python executable to run scripts with.
base::FilePath python_path() const { return python_path_; }
void set_python_path(const base::FilePath& p) { python_path_ = p; }
const SourceFile& build_config_file() const { return build_config_file_; }
void set_build_config_file(const SourceFile& f) { build_config_file_ = f; }
// The build directory is the root of all output files. The default toolchain
// files go into here, and non-default toolchains will have separate
// toolchain-specific root directories inside this.
const SourceDir& build_dir() const { return build_dir_; }
void SetBuildDir(const SourceDir& dir);
// The inverse of relative_build_dir, ending with a separator.
// Example: relative_build_dir_ = "out/Debug/" this will be "../../"
const std::string& build_to_source_dir_string() const {
return build_to_source_dir_string_;
// The build args are normally specified on the command-line.
Args& build_args() { return build_args_; }
const Args& build_args() const { return build_args_; }
// Returns the full absolute OS path cooresponding to the given file in the
// root source tree.
base::FilePath GetFullPath(const SourceFile& file) const;
base::FilePath GetFullPath(const SourceDir& dir) const;
// Returns the absolute OS path inside the secondary source path. Will return
// an empty FilePath if the secondary source path is empty. When loading a
// buildfile, the GetFullPath should always be consulted first.
base::FilePath GetFullPathSecondary(const SourceFile& file) const;
base::FilePath GetFullPathSecondary(const SourceDir& dir) const;
// Called when an item is defined from a background thread.
void ItemDefined(scoped_ptr<Item> item) const;
void set_item_defined_callback(ItemDefinedCallback cb) {
item_defined_callback_ = cb;
// Defines a callback that will be used to override the behavior of the
// print function. This is used in tests to collect print output. If the
// callback is is_null() (the default) the output will be printed to the
// console.
const PrintCallback& print_callback() const { return print_callback_; }
void set_print_callback(const PrintCallback& cb) { print_callback_ = cb; }
base::FilePath root_path_;
std::string root_path_utf8_;
base::FilePath secondary_source_path_;
base::FilePath python_path_;
SourceFile build_config_file_;
SourceDir build_dir_;
std::string build_to_source_dir_string_;
Args build_args_;
ItemDefinedCallback item_defined_callback_;
PrintCallback print_callback_;
BuildSettings& operator=(const BuildSettings& other); // Disallow.