src/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/path_output.h"
  12
  13 class BuildSettings;
  14 class Settings;
  15 class Target;
  16 class Toolchain;
  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 Toolchain* default_toolchain,
  27       const std::vector<const Target*>& default_toolchain_targets);
  28
  29  private:
  30   NinjaBuildWriter(const BuildSettings* settings,
  31                    const std::vector<const Settings*>& all_settings,
  32                    const Toolchain* default_toolchain,
  33                    const std::vector<const Target*>& default_toolchain_targets,
  34                    std::ostream& out,
  35                    std::ostream& dep_out);
  36   ~NinjaBuildWriter();
  37
  38   void Run();
  39
  40   void WriteNinjaRules();
  41   void WriteLinkPool();
  42   void WriteSubninjas();
  43   void WritePhonyAndAllRules();
  44
  45   void WritePhonyRule(const Target* target, const OutputFile& target_file,
  46                       const std::string& phony_name);
  47
  48   const BuildSettings* build_settings_;
  49   std::vector<const Settings*> all_settings_;
  50   const Toolchain* default_toolchain_;
  51   std::vector<const Target*> default_toolchain_targets_;
  52   std::ostream& out_;
  53   std::ostream& dep_out_;
  54   PathOutput path_output_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(NinjaBuildWriter);
  57 };
  58
  59 #endif  // TOOLS_GN_NINJA_BUILD_GENERATOR_H_
  60