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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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/analyzer.h" | 5 #include "tools/gn/analyzer.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <iterator> | 8 #include <iterator> |
9 #include <set> | 9 #include <set> |
10 #include <vector> | 10 #include <vector> |
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49 LabelSet invalid_labels; | 49 LabelSet invalid_labels; |
50 }; | 50 }; |
51 | 51 |
52 LabelSet LabelsFor(const TargetSet& targets) { | 52 LabelSet LabelsFor(const TargetSet& targets) { |
53 LabelSet labels; | 53 LabelSet labels; |
54 for (auto* target : targets) | 54 for (auto* target : targets) |
55 labels.insert(target->label()); | 55 labels.insert(target->label()); |
56 return labels; | 56 return labels; |
57 } | 57 } |
58 | 58 |
59 bool AnyBuildFilesWereModified(const SourceFileSet& source_files) { | 59 bool DotGNFileWasModified(const SourceFileSet& source_files) { |
60 for (auto* file : source_files) { | 60 for (auto* file : source_files) { |
61 if (base::EndsWith(file->value(), ".gn", base::CompareCase::SENSITIVE) || | 61 if (file->value() == "//.gn") |
62 base::EndsWith(file->value(), ".gni", base::CompareCase::SENSITIVE) || | |
63 base::EndsWith(file->value(), "build/vs_toolchain.py", | |
64 base::CompareCase::SENSITIVE)) | |
65 return true; | 62 return true; |
66 } | 63 } |
67 return false; | 64 return false; |
68 } | 65 } |
69 | 66 |
70 TargetSet Intersect(const TargetSet& l, const TargetSet& r) { | 67 TargetSet Intersect(const TargetSet& l, const TargetSet& r) { |
71 TargetSet result; | 68 TargetSet result; |
72 std::set_intersection(l.begin(), l.end(), r.begin(), r.end(), | 69 std::set_intersection(l.begin(), l.end(), r.begin(), r.end(), |
73 std::inserter(result, result.begin())); | 70 std::inserter(result, result.begin())); |
74 return result; | 71 return result; |
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255 for (const auto& label : InvalidLabels(inputs.compile_labels)) | 252 for (const auto& label : InvalidLabels(inputs.compile_labels)) |
256 invalid_labels.insert(label); | 253 invalid_labels.insert(label); |
257 for (const auto& label : InvalidLabels(inputs.test_labels)) | 254 for (const auto& label : InvalidLabels(inputs.test_labels)) |
258 invalid_labels.insert(label); | 255 invalid_labels.insert(label); |
259 if (!invalid_labels.empty()) { | 256 if (!invalid_labels.empty()) { |
260 outputs.error = "Invalid targets"; | 257 outputs.error = "Invalid targets"; |
261 outputs.invalid_labels = invalid_labels; | 258 outputs.invalid_labels = invalid_labels; |
262 return OutputsToJSON(outputs, default_toolchain_, err); | 259 return OutputsToJSON(outputs, default_toolchain_, err); |
263 } | 260 } |
264 | 261 |
265 // TODO(crbug.com/555273): We can do smarter things when we detect changes | 262 if (DotGNFileWasModified(inputs.source_files)) { |
266 // to build files. For example, if all of the ninja files are unchanged, | |
267 // we know that we can ignore changes to .gn* files. Also, for most .gn | |
268 // files, we can treat a change as simply affecting every target, config, | |
269 // or toolchain defined in that file. | |
270 if (AnyBuildFilesWereModified(inputs.source_files)) { | |
271 outputs.status = "Found dependency (all)"; | 263 outputs.status = "Found dependency (all)"; |
272 if (inputs.compile_included_all) { | 264 if (inputs.compile_included_all) { |
273 outputs.compile_includes_all = true; | 265 outputs.compile_includes_all = true; |
274 } else { | 266 } else { |
275 outputs.compile_labels.insert(inputs.compile_labels.begin(), | 267 outputs.compile_labels.insert(inputs.compile_labels.begin(), |
276 inputs.compile_labels.end()); | 268 inputs.compile_labels.end()); |
277 outputs.compile_labels.insert(inputs.test_labels.begin(), | 269 outputs.compile_labels.insert(inputs.test_labels.begin(), |
278 inputs.test_labels.end()); | 270 inputs.test_labels.end()); |
279 } | 271 } |
280 outputs.test_labels = inputs.test_labels; | 272 outputs.test_labels = inputs.test_labels; |
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353 filtered->insert(target); | 345 filtered->insert(target); |
354 } else { | 346 } else { |
355 for (const auto& pair : target->GetDeps(Target::DEPS_ALL)) | 347 for (const auto& pair : target->GetDeps(Target::DEPS_ALL)) |
356 FilterTarget(pair.ptr, seen, filtered); | 348 FilterTarget(pair.ptr, seen, filtered); |
357 } | 349 } |
358 } | 350 } |
359 } | 351 } |
360 | 352 |
361 bool Analyzer::TargetRefersToFile(const Target* target, | 353 bool Analyzer::TargetRefersToFile(const Target* target, |
362 const SourceFile* file) const { | 354 const SourceFile* file) const { |
| 355 const auto& source_files_hashes = target->source_files_hashes(); |
| 356 if (source_files_hashes.find(base::Hash(file->value())) != |
| 357 source_files_hashes.end()) |
| 358 return true; |
363 for (const auto& cur_file : target->sources()) { | 359 for (const auto& cur_file : target->sources()) { |
364 if (cur_file == *file) | 360 if (cur_file == *file) |
365 return true; | 361 return true; |
366 } | 362 } |
367 for (const auto& cur_file : target->public_headers()) { | 363 for (const auto& cur_file : target->public_headers()) { |
368 if (cur_file == *file) | 364 if (cur_file == *file) |
369 return true; | 365 return true; |
370 } | 366 } |
371 for (const auto& cur_file : target->inputs()) { | 367 for (const auto& cur_file : target->inputs()) { |
372 if (cur_file == *file) | 368 if (cur_file == *file) |
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403 void Analyzer::AddAllRefsTo(const Target* target, TargetSet* results) const { | 399 void Analyzer::AddAllRefsTo(const Target* target, TargetSet* results) const { |
404 if (results->find(target) != results->end()) | 400 if (results->find(target) != results->end()) |
405 return; // Already found this target. | 401 return; // Already found this target. |
406 results->insert(target); | 402 results->insert(target); |
407 | 403 |
408 auto dep_begin = dep_map_.lower_bound(target); | 404 auto dep_begin = dep_map_.lower_bound(target); |
409 auto dep_end = dep_map_.upper_bound(target); | 405 auto dep_end = dep_map_.upper_bound(target); |
410 for (auto cur_dep = dep_begin; cur_dep != dep_end; cur_dep++) | 406 for (auto cur_dep = dep_begin; cur_dep != dep_end; cur_dep++) |
411 AddAllRefsTo(cur_dep->second, results); | 407 AddAllRefsTo(cur_dep->second, results); |
412 } | 408 } |
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