1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef TOOLS_GN_NINJA_TOOLCHAIN_WRITER_H_
6#define TOOLS_GN_NINJA_TOOLCHAIN_WRITER_H_
7
8#include <iosfwd>
9#include <set>
10#include <string>
11#include <vector>
12
13#include "base/gtest_prod_util.h"
14#include "tools/gn/path_output.h"
15#include "tools/gn/toolchain.h"
16
17class BuildSettings;
18struct EscapeOptions;
19class Settings;
20class Target;
21class Tool;
22
23class NinjaToolchainWriter {
24 public:
25  // Takes the settings for the toolchain, as well as the list of all targets
26  // associated with the toolchain.
27  static bool RunAndWriteFile(const Settings* settings,
28                              const Toolchain* toolchain,
29                              const std::vector<const Target*>& targets);
30
31 private:
32  FRIEND_TEST_ALL_PREFIXES(NinjaToolchainWriter, WriteToolRule);
33
34  NinjaToolchainWriter(const Settings* settings,
35                       const Toolchain* toolchain,
36                       const std::vector<const Target*>& targets,
37                       std::ostream& out);
38  ~NinjaToolchainWriter();
39
40  void Run();
41
42  void WriteRules();
43  void WriteToolRule(Toolchain::ToolType type,
44                     const Tool* tool,
45                     const std::string& rule_prefix);
46  void WriteRulePattern(const char* name,
47                        const SubstitutionPattern& pattern,
48                        const EscapeOptions& options);
49  void WriteSubninjas();
50
51  const Settings* settings_;
52  const Toolchain* toolchain_;
53  std::vector<const Target*> targets_;
54  std::ostream& out_;
55  PathOutput path_output_;
56
57  DISALLOW_COPY_AND_ASSIGN(NinjaToolchainWriter);
58};
59
60#endif  // TOOLS_GN_NINJA_TOOLCHAIN_WRITER_H_
61