tools/gn/ninja_build_writer.h

   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_BUILD_WRITER_H_
   6 #define TOOLS_GN_NINJA_BUILD_WRITER_H_
   7
   8 #include <iosfwd>
   9 #include <vector>
  10
  11 #include "tools/gn/ninja_helper.h"
  12 #include "tools/gn/path_output.h"
  13
  14 class BuildSettings;
  15 class Settings;
  16 class Target;
  17
  18 // Generates the toplevel "build.ninja" file. This references the individual
  19 // toolchain files and lists all input .gn files as dependencies of the
  20 // build itself.
  21 class NinjaBuildWriter {
  22  public:
  23   static bool RunAndWriteFile(
  24       const BuildSettings* settings,
  25       const std::vector<const Settings*>& all_settings,
  26       const std::vector<const Target*>& default_toolchain_targets);
  27
  28  private:
  29   NinjaBuildWriter(const BuildSettings* settings,
  30                    const std::vector<const Settings*>& all_settings,
  31                    const std::vector<const Target*>& default_toolchain_targets,
  32                    std::ostream& out,
  33                    std::ostream& dep_out);
  34   ~NinjaBuildWriter();
  35
  36   void Run();
  37
  38   void WriteNinjaRules();
  39   void WriteSubninjas();
  40   void WritePhonyAndAllRules();
  41
  42   const BuildSettings* build_settings_;
  43   std::vector<const Settings*> all_settings_;
  44   std::vector<const Target*> default_toolchain_targets_;
  45   std::ostream& out_;
  46   std::ostream& dep_out_;
  47   PathOutput path_output_;
  48
  49   NinjaHelper helper_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(NinjaBuildWriter);
  52 };
  53
  54 #endif  // TOOLS_GN_NINJA_BUILD_GENERATOR_H_
  55