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 56