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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_CONFIG_H_
#define TOOLS_GN_CONFIG_H_
#include "base/compiler_specific.h"
#include "tools/gn/config_values.h"
#include "tools/gn/item.h"
class Err;
class ItemTree;
class LocationRange;
class Settings;
// Represents a named config in the dependency graph.
class Config : public Item {
public:
Config(const Label& label);
virtual ~Config();
virtual Config* AsConfig() OVERRIDE;
virtual const Config* AsConfig() const OVERRIDE;
ConfigValues& config_values() { return config_values_; }
const ConfigValues& config_values() const { return config_values_; }
// Gets or creates a config.
//
// This is like the TargetManager is for Targets, but Configs are so much
// simpler that this one function is all we need.
static Config* GetConfig(const Settings* settings,
const LocationRange& specified_from_here,
const Label& label,
Item* dep_from,
Err* err);
private:
ConfigValues config_values_;
DISALLOW_COPY_AND_ASSIGN(Config);
};
#endif // TOOLS_GN_CONFIG_H_
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