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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "tools/gn/setup.h" | 5 #include "tools/gn/setup.h" |
6 | 6 |
7 #include <stdlib.h> | 7 #include <stdlib.h> |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 #include <sstream> | 10 #include <sstream> |
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141 scoped_ptr<Item> item) { | 141 scoped_ptr<Item> item) { |
142 DCHECK(item); | 142 DCHECK(item); |
143 main_loop->PostTask(FROM_HERE, base::Bind(&Builder::ItemDefined, builder, | 143 main_loop->PostTask(FROM_HERE, base::Bind(&Builder::ItemDefined, builder, |
144 base::Passed(&item))); | 144 base::Passed(&item))); |
145 } | 145 } |
146 | 146 |
147 void DecrementWorkCount() { | 147 void DecrementWorkCount() { |
148 g_scheduler->DecrementWorkCount(); | 148 g_scheduler->DecrementWorkCount(); |
149 } | 149 } |
150 | 150 |
| 151 #if defined(OS_WIN) |
| 152 const base::char16 kPythonExeName[] = L"python.exe"; |
| 153 |
| 154 base::FilePath FindWindowsPython() { |
| 155 base::char16 current_directory[MAX_PATH]; |
| 156 ::GetCurrentDirectory(MAX_PATH, current_directory); |
| 157 |
| 158 // First search for python.exe in the current directory. |
| 159 base::FilePath cur_dir_candidate_exe = |
| 160 base::FilePath(current_directory).Append(kPythonExeName); |
| 161 if (base::PathExists(cur_dir_candidate_exe)) |
| 162 return cur_dir_candidate_exe; |
| 163 |
| 164 // Get the path. |
| 165 const base::char16 kPathEnvVarName[] = L"Path"; |
| 166 DWORD path_length = ::GetEnvironmentVariable(kPathEnvVarName, nullptr, 0); |
| 167 if (path_length == 0) |
| 168 return base::FilePath(); |
| 169 scoped_ptr<base::char16[]> full_path(new base::char16[path_length]); |
| 170 DWORD actual_path_length = |
| 171 ::GetEnvironmentVariable(kPathEnvVarName, full_path.get(), path_length); |
| 172 CHECK_EQ(path_length, actual_path_length + 1); |
| 173 |
| 174 // Search for python.exe in the path. |
| 175 for (const auto& component : base::SplitStringPiece( |
| 176 base::StringPiece16(full_path.get(), path_length), L";", |
| 177 base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY)) { |
| 178 base::FilePath candidate_exe = |
| 179 base::FilePath(component).Append(kPythonExeName); |
| 180 if (base::PathExists(candidate_exe)) |
| 181 return candidate_exe; |
| 182 } |
| 183 return base::FilePath(); |
| 184 } |
| 185 #endif |
| 186 |
151 } // namespace | 187 } // namespace |
152 | 188 |
153 const char Setup::kBuildArgFileName[] = "args.gn"; | 189 const char Setup::kBuildArgFileName[] = "args.gn"; |
154 | 190 |
155 Setup::Setup() | 191 Setup::Setup() |
156 : build_settings_(), | 192 : build_settings_(), |
157 loader_(new LoaderImpl(&build_settings_)), | 193 loader_(new LoaderImpl(&build_settings_)), |
158 builder_(new Builder(loader_.get())), | 194 builder_(new Builder(loader_.get())), |
159 root_build_file_("//BUILD.gn"), | 195 root_build_file_("//BUILD.gn"), |
160 check_public_headers_(false), | 196 check_public_headers_(false), |
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471 } | 507 } |
472 | 508 |
473 build_settings_.SetBuildDir(resolved); | 509 build_settings_.SetBuildDir(resolved); |
474 return true; | 510 return true; |
475 } | 511 } |
476 | 512 |
477 void Setup::FillPythonPath() { | 513 void Setup::FillPythonPath() { |
478 // Trace this since it tends to be a bit slow on Windows. | 514 // Trace this since it tends to be a bit slow on Windows. |
479 ScopedTrace setup_trace(TraceItem::TRACE_SETUP, "Fill Python Path"); | 515 ScopedTrace setup_trace(TraceItem::TRACE_SETUP, "Fill Python Path"); |
480 #if defined(OS_WIN) | 516 #if defined(OS_WIN) |
481 // Find Python on the path so we can use the absolute path in the build. | 517 base::FilePath python_path = FindWindowsPython(); |
482 const base::char16 kGetPython[] = | 518 if (python_path.empty()) { |
483 L"cmd.exe /c python -c \"import sys; print sys.executable\""; | |
484 std::string python_path; | |
485 if (base::GetAppOutput(kGetPython, &python_path)) { | |
486 base::TrimWhitespaceASCII(python_path, base::TRIM_ALL, &python_path); | |
487 if (scheduler_.verbose_logging()) | |
488 scheduler_.Log("Found python", python_path); | |
489 } else { | |
490 scheduler_.Log("WARNING", "Could not find python on path, using " | 519 scheduler_.Log("WARNING", "Could not find python on path, using " |
491 "just \"python.exe\""); | 520 "just \"python.exe\""); |
492 python_path = "python.exe"; | 521 python_path = base::FilePath(kPythonExeName); |
493 } | 522 } |
494 build_settings_.set_python_path(base::FilePath(base::UTF8ToUTF16(python_path)) | 523 build_settings_.set_python_path(python_path.NormalizePathSeparatorsTo('/')); |
495 .NormalizePathSeparatorsTo('/')); | |
496 #else | 524 #else |
497 build_settings_.set_python_path(base::FilePath("python")); | 525 build_settings_.set_python_path(base::FilePath("python")); |
498 #endif | 526 #endif |
499 } | 527 } |
500 | 528 |
501 bool Setup::RunConfigFile() { | 529 bool Setup::RunConfigFile() { |
502 if (scheduler_.verbose_logging()) | 530 if (scheduler_.verbose_logging()) |
503 scheduler_.Log("Got dotfile", FilePathToUTF8(dotfile_name_)); | 531 scheduler_.Log("Got dotfile", FilePathToUTF8(dotfile_name_)); |
504 | 532 |
505 dotfile_input_file_.reset(new InputFile(SourceFile("//.gn"))); | 533 dotfile_input_file_.reset(new InputFile(SourceFile("//.gn"))); |
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622 if (err.has_error()) { | 650 if (err.has_error()) { |
623 err.PrintToStdout(); | 651 err.PrintToStdout(); |
624 return false; | 652 return false; |
625 } | 653 } |
626 } | 654 } |
627 build_settings_.set_exec_script_whitelist(whitelist.Pass()); | 655 build_settings_.set_exec_script_whitelist(whitelist.Pass()); |
628 } | 656 } |
629 | 657 |
630 return true; | 658 return true; |
631 } | 659 } |
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