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| 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 #include "base/bind.h" |
| 6 #include "base/command_line.h" |
| 7 #include "base/strings/string_number_conversions.h" |
| 8 #include "base/time/time.h" |
| 9 #include "tools/gn/build_settings.h" |
| 10 #include "tools/gn/commands.h" |
| 11 #include "tools/gn/ninja_target_writer.h" |
| 12 #include "tools/gn/ninja_writer.h" |
| 13 #include "tools/gn/scheduler.h" |
| 14 #include "tools/gn/setup.h" |
| 15 #include "tools/gn/standard_out.h" |
| 16 |
| 17 namespace { |
| 18 |
| 19 // Suppress output on success. |
| 20 const char kSwitchQuiet[] = "q"; |
| 21 |
| 22 } // namespace |
| 23 |
| 24 int RunGenCommand(const std::vector<std::string>& args) { |
| 25 base::TimeTicks begin_time = base::TimeTicks::Now(); |
| 26 |
| 27 // Deliberately leaked to avoid expensive process teardown. |
| 28 Setup* setup = new Setup; |
| 29 if (!setup->DoSetup()) |
| 30 return 1; |
| 31 |
| 32 // Cause the load to also generate the ninja files for each target. |
| 33 setup->build_settings().set_target_resolved_callback( |
| 34 base::Bind(&NinjaTargetWriter::RunAndWriteFile)); |
| 35 |
| 36 // Do the actual load. This will also write out the target ninja files. |
| 37 if (!setup->Run()) |
| 38 return 1; |
| 39 |
| 40 // Write the root ninja files. |
| 41 if (!NinjaWriter::RunAndWriteFiles(&setup->build_settings())) { |
| 42 Err(Location(), |
| 43 "Couldn't open root buildfile(s) for writing").PrintToStdout(); |
| 44 return 1; |
| 45 } |
| 46 |
| 47 base::TimeTicks end_time = base::TimeTicks::Now(); |
| 48 |
| 49 if (!CommandLine::ForCurrentProcess()->HasSwitch(kSwitchQuiet)) { |
| 50 OutputString("Done. ", DECORATION_GREEN); |
| 51 |
| 52 // TODO(brettw) get the number of targets without getting the entire list. |
| 53 std::vector<const Target*> all_targets; |
| 54 setup->build_settings().target_manager().GetAllTargets(&all_targets); |
| 55 std::string stats = "Generated " + |
| 56 base::IntToString(static_cast<int>(all_targets.size())) + |
| 57 " targets from " + |
| 58 base::IntToString( |
| 59 setup->scheduler().input_file_manager()->GetInputFileCount()) + |
| 60 " files in " + |
| 61 base::IntToString((end_time - begin_time).InMilliseconds()) + "ms\n"; |
| 62 OutputString(stats); |
| 63 } |
| 64 |
| 65 return 0; |
| 66 } |
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