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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_SETUP_H_
#define TOOLS_GN_SETUP_H_
#include <vector>
#include "base/basictypes.h"
#include "base/files/file_path.h"
#include "base/memory/scoped_ptr.h"
#include "tools/gn/build_settings.h"
#include "tools/gn/scheduler.h"
#include "tools/gn/scope.h"
#include "tools/gn/settings.h"
#include "tools/gn/token.h"
#include "tools/gn/toolchain.h"
class CommandLine;
class InputFile;
class ParseNode;
extern const char kDotfile_Help[];
// Helper class to setup the build settings and environment for the various
// commands to run.
class Setup {
public:
Setup();
~Setup();
// Configures the build for the current command line. On success returns
// true. On failure, prints the error and returns false.
bool DoSetup();
// When true (the default), Run() will check for unresolved dependencies and
// cycles upon completion. When false, such errors will be ignored.
void set_check_for_bad_items(bool s) { check_for_bad_items_ = s; }
// Runs the load, returning true on success. On failure, prints the error
// and returns false.
bool Run();
BuildSettings& build_settings() { return build_settings_; }
Scheduler& scheduler() { return scheduler_; }
private:
// Fills build arguments. Returns true on success.
bool FillArguments(const CommandLine& cmdline);
// Fills the root directory into the settings. Returns true on success.
bool FillSourceDir(const CommandLine& cmdline);
// Run config file.
bool RunConfigFile();
bool FillOtherConfig(const CommandLine& cmdline);
BuildSettings build_settings_;
Scheduler scheduler_;
bool check_for_bad_items_;
// These empty settings and toolchain are used to interpret the command line
// and dot file.
BuildSettings empty_build_settings_;
Toolchain empty_toolchain_;
Settings empty_settings_;
Scope dotfile_scope_;
// State for invoking the dotfile.
base::FilePath dotfile_name_;
scoped_ptr<InputFile> dotfile_input_file_;
std::vector<Token> dotfile_tokens_;
scoped_ptr<ParseNode> dotfile_root_;
// State for invoking the command line args. We specifically want to keep
// this around for the entire run so that Values can blame to the command
// line when we issue errors about them.
scoped_ptr<InputFile> args_input_file_;
std::vector<Token> args_tokens_;
scoped_ptr<ParseNode> args_root_;
DISALLOW_COPY_AND_ASSIGN(Setup);
};
#endif // TOOLS_GN_SETUP_H_
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