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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_TARGET_GENERATOR_H_
#define TOOLS_GN_TARGET_GENERATOR_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "tools/gn/source_dir.h"
#include "tools/gn/target.h"
class BuildSettings;
class Err;
class Location;
class Scope;
class Token;
class Value;
// Creates Target objects from a Scope (the result of a script execution).
class TargetGenerator {
public:
TargetGenerator(Target* target,
Scope* scope,
const Token& function_token,
const std::vector<Value>& args,
const std::string& output_type,
Err* err);
~TargetGenerator();
void Run();
// The function token is the token of the function name of the generator for
// this target. err() will be set on failure.
static void GenerateTarget(Scope* scope,
const Token& function_token,
const std::vector<Value>& args,
const std::string& output_type,
Err* err);
private:
// Sets err_ on failure.
Target::OutputType GetOutputType() const;
// Reads configs from the given var name, and uses the given setting on the
// target to save them
void FillGenericConfigs(const char* var_name,
void (Target::*setter)(std::vector<const Config*>*));
void FillConfigs();
void FillAllDependentConfigs();
void FillDirectDependentConfigs();
void FillSources();
void FillData();
void FillDependencies();
void FillDestDir();
void FillScript();
void FillScriptArgs();
void FillOutputs();
const BuildSettings* GetBuildSettings() const;
Target* target_;
Scope* scope_;
const Token& function_token_;
std::vector<Value> args_;
std::string output_type_;
Err* err_;
// Sources are relative to this. This comes from the input file which doesn't
// get freed so we don't acautlly have to make a copy.
const SourceDir& input_directory_;
FRIEND_TEST_ALL_PREFIXES(TargetGenerator, ResolveInputPath);
DISALLOW_COPY_AND_ASSIGN(TargetGenerator);
};
#endif // TOOLS_GN_TARGET_GENERATOR_H_
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