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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/ninja_build_writer.h" | 5 #include "tools/gn/ninja_build_writer.h" |
6 | 6 |
7 #include <fstream> | 7 #include <fstream> |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
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173 } | 173 } |
174 | 174 |
175 NinjaBuildWriter gen(build_settings, all_settings, default_toolchain, | 175 NinjaBuildWriter gen(build_settings, all_settings, default_toolchain, |
176 default_toolchain_targets, file, depfile); | 176 default_toolchain_targets, file, depfile); |
177 return gen.Run(err); | 177 return gen.Run(err); |
178 } | 178 } |
179 | 179 |
180 void NinjaBuildWriter::WriteNinjaRules() { | 180 void NinjaBuildWriter::WriteNinjaRules() { |
181 out_ << "rule gn\n"; | 181 out_ << "rule gn\n"; |
182 out_ << " command = " << GetSelfInvocationCommand(build_settings_) << "\n"; | 182 out_ << " command = " << GetSelfInvocationCommand(build_settings_) << "\n"; |
183 out_ << " description = Regenerating ninja files\n"; | 183 out_ << " description = Regenerating ninja files\n\n"; |
184 out_ << " restat = 1\n\n"; | |
185 | 184 |
186 // This rule will regenerate the ninja files when any input file has changed, | 185 // This rule will regenerate the ninja files when any input file has changed. |
187 // or is missing. | 186 out_ << "build build.ninja: gn\n" |
188 out_ << "build build.ninja"; | |
189 | |
190 // Other files read by the build. | |
191 EscapeOptions path_escaping; | |
192 path_escaping.mode = ESCAPE_NINJA_COMMAND; | |
193 std::vector<SourceFile> written_files = g_scheduler->GetWrittenFiles(); | |
194 for (const auto& written_file : written_files) | |
195 out_ << " " << EscapeString(RebasePath(written_file.value(), | |
196 build_settings_->build_dir(), build_settings_->root_path_utf8()), | |
197 path_escaping, nullptr); | |
198 | |
199 out_ << ": gn\n" | |
200 << " generator = 1\n" | 187 << " generator = 1\n" |
201 << " depfile = build.ninja.d\n"; | 188 << " depfile = build.ninja.d\n"; |
202 | 189 |
203 // Input build files. These go in the ".d" file. If we write them as | 190 // Input build files. These go in the ".d" file. If we write them as |
204 // dependencies in the .ninja file itself, ninja will expect the files to | 191 // dependencies in the .ninja file itself, ninja will expect the files to |
205 // exist and will error if they don't. When files are listed in a depfile, | 192 // exist and will error if they don't. When files are listed in a depfile, |
206 // missing files are ignored. | 193 // missing files are ignored. |
207 dep_out_ << "build.ninja:"; | 194 dep_out_ << "build.ninja:"; |
208 std::vector<base::FilePath> input_files; | 195 std::vector<base::FilePath> input_files; |
209 g_scheduler->input_file_manager()->GetAllPhysicalInputFileNames(&input_files); | 196 g_scheduler->input_file_manager()->GetAllPhysicalInputFileNames(&input_files); |
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361 EscapeOptions ninja_escape; | 348 EscapeOptions ninja_escape; |
362 ninja_escape.mode = ESCAPE_NINJA; | 349 ninja_escape.mode = ESCAPE_NINJA; |
363 | 350 |
364 // Escape for special chars Ninja will handle. | 351 // Escape for special chars Ninja will handle. |
365 std::string escaped = EscapeString(phony_name, ninja_escape, nullptr); | 352 std::string escaped = EscapeString(phony_name, ninja_escape, nullptr); |
366 | 353 |
367 out_ << "build " << escaped << ": phony "; | 354 out_ << "build " << escaped << ": phony "; |
368 path_output_.WriteFile(out_, target_file); | 355 path_output_.WriteFile(out_, target_file); |
369 out_ << std::endl; | 356 out_ << std::endl; |
370 } | 357 } |
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