1d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch// Use of this source code is governed by a BSD-style license that can be 3d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch// found in the LICENSE file. 4d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 5a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "base/atomicops.h" 6d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "base/bind.h" 7d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "base/command_line.h" 8d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "base/strings/string_number_conversions.h" 9d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "base/time/time.h" 10d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/build_settings.h" 11d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/commands.h" 12d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/ninja_target_writer.h" 13d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/ninja_writer.h" 14d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/scheduler.h" 15d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/setup.h" 16d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch#include "tools/gn/standard_out.h" 17d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 18a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)namespace commands { 19a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 20d3868032626d59662ff73b372b5d584c1d144c53Ben Murdochnamespace { 21d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 22d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch// Suppress output on success. 23d3868032626d59662ff73b372b5d584c1d144c53Ben Murdochconst char kSwitchQuiet[] = "q"; 24d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 25f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void BackgroundDoWrite(const Target* target, const Toolchain* toolchain) { 26f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) NinjaTargetWriter::RunAndWriteFile(target, toolchain); 27f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) g_scheduler->DecrementWorkCount(); 28f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 29f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 30f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)// Called on the main thread. 31f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void ItemResolvedCallback(base::subtle::Atomic32* write_counter, 32f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) scoped_refptr<Builder> builder, 33f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const Item* item) { 34a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) base::subtle::NoBarrier_AtomicIncrement(write_counter, 1); 35f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 36f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const Target* target = item->AsTarget(); 37f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (target) { 38f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const Toolchain* toolchain = 39f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) builder->GetToolchain(target->settings()->toolchain_label()); 40f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DCHECK(toolchain); 41f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) g_scheduler->IncrementWorkCount(); 42f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) g_scheduler->ScheduleWork( 43f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::Bind(&BackgroundDoWrite, target, toolchain)); 44f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 45a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 46a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 47d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch} // namespace 48d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 49a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)const char kGen[] = "gen"; 50a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)const char kGen_HelpShort[] = 51a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) "gen: Generate ninja files."; 52a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)const char kGen_Help[] = 53a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) "gn gen\n" 54a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) " Generates ninja files from the current tree.\n" 55a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) "\n" 56a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) " See \"gn help\" for the common command-line switches.\n"; 57a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 58424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)// Note: partially duplicated in command_gyp.cc. 59a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)int RunGen(const std::vector<std::string>& args) { 60d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch base::TimeTicks begin_time = base::TimeTicks::Now(); 61d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 62d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch // Deliberately leaked to avoid expensive process teardown. 63d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch Setup* setup = new Setup; 64d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch if (!setup->DoSetup()) 65d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return 1; 66d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 67a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // Cause the load to also generate the ninja files for each target. We wrap 68a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // the writing to maintain a counter. 69a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) base::subtle::Atomic32 write_counter = 0; 70f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) setup->builder()->set_resolved_callback( 71f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) base::Bind(&ItemResolvedCallback, &write_counter, 72f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) scoped_refptr<Builder>(setup->builder()))); 73d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 74d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch // Do the actual load. This will also write out the target ninja files. 75d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch if (!setup->Run()) 76d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return 1; 77d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 78d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch // Write the root ninja files. 79f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (!NinjaWriter::RunAndWriteFiles(&setup->build_settings(), 80f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) setup->builder())) 81d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return 1; 82d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 83d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch base::TimeTicks end_time = base::TimeTicks::Now(); 84d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 85d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch if (!CommandLine::ForCurrentProcess()->HasSwitch(kSwitchQuiet)) { 86d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch OutputString("Done. ", DECORATION_GREEN); 87d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 88a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) std::string stats = "Wrote " + 89a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) base::IntToString(static_cast<int>(write_counter)) + 90d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch " targets from " + 91d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch base::IntToString( 92d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch setup->scheduler().input_file_manager()->GetInputFileCount()) + 93d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch " files in " + 94d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch base::IntToString((end_time - begin_time).InMilliseconds()) + "ms\n"; 95d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch OutputString(stats); 96d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch } 97d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch 98d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch return 0; 99d3868032626d59662ff73b372b5d584c1d144c53Ben Murdoch} 100a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 101a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} // namespace commands 102