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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/builder.h" | 5 #include "tools/gn/builder.h" |
6 | 6 |
7 #include "tools/gn/config.h" | 7 #include "tools/gn/config.h" |
8 #include "tools/gn/deps_iterator.h" | 8 #include "tools/gn/deps_iterator.h" |
9 #include "tools/gn/err.h" | 9 #include "tools/gn/err.h" |
10 #include "tools/gn/loader.h" | 10 #include "tools/gn/loader.h" |
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409 DCHECK(record->can_resolve() && !record->resolved()); | 409 DCHECK(record->can_resolve() && !record->resolved()); |
410 | 410 |
411 if (record->type() == BuilderRecord::ITEM_TARGET) { | 411 if (record->type() == BuilderRecord::ITEM_TARGET) { |
412 Target* target = record->item()->AsTarget(); | 412 Target* target = record->item()->AsTarget(); |
413 if (!ResolveDeps(&target->public_deps(), err) || | 413 if (!ResolveDeps(&target->public_deps(), err) || |
414 !ResolveDeps(&target->private_deps(), err) || | 414 !ResolveDeps(&target->private_deps(), err) || |
415 !ResolveDeps(&target->data_deps(), err) || | 415 !ResolveDeps(&target->data_deps(), err) || |
416 !ResolveConfigs(&target->configs(), err) || | 416 !ResolveConfigs(&target->configs(), err) || |
417 !ResolveConfigs(&target->all_dependent_configs(), err) || | 417 !ResolveConfigs(&target->all_dependent_configs(), err) || |
418 !ResolveConfigs(&target->public_configs(), err) || | 418 !ResolveConfigs(&target->public_configs(), err) || |
419 !ResolveForwardDependentConfigs(target, err) || | |
420 !ResolveToolchain(target, err)) | 419 !ResolveToolchain(target, err)) |
421 return false; | 420 return false; |
422 } else if (record->type() == BuilderRecord::ITEM_CONFIG) { | 421 } else if (record->type() == BuilderRecord::ITEM_CONFIG) { |
423 Config* config = record->item()->AsConfig(); | 422 Config* config = record->item()->AsConfig(); |
424 if (!ResolveConfigs(&config->configs(), err)) | 423 if (!ResolveConfigs(&config->configs(), err)) |
425 return false; | 424 return false; |
426 } else if (record->type() == BuilderRecord::ITEM_TOOLCHAIN) { | 425 } else if (record->type() == BuilderRecord::ITEM_TOOLCHAIN) { |
427 Toolchain* toolchain = record->item()->AsToolchain(); | 426 Toolchain* toolchain = record->item()->AsToolchain(); |
428 if (!ResolveDeps(&toolchain->deps(), err)) | 427 if (!ResolveDeps(&toolchain->deps(), err)) |
429 return false; | 428 return false; |
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470 | 469 |
471 BuilderRecord* record = GetResolvedRecordOfType( | 470 BuilderRecord* record = GetResolvedRecordOfType( |
472 cur.label, cur.origin, BuilderRecord::ITEM_CONFIG, err); | 471 cur.label, cur.origin, BuilderRecord::ITEM_CONFIG, err); |
473 if (!record) | 472 if (!record) |
474 return false; | 473 return false; |
475 const_cast<LabelConfigPair&>(cur).ptr = record->item()->AsConfig(); | 474 const_cast<LabelConfigPair&>(cur).ptr = record->item()->AsConfig(); |
476 } | 475 } |
477 return true; | 476 return true; |
478 } | 477 } |
479 | 478 |
480 // "Forward dependent configs" should refer to targets in the deps that should | |
481 // have their configs forwarded. | |
482 bool Builder::ResolveForwardDependentConfigs(Target* target, Err* err) { | |
483 const UniqueVector<LabelTargetPair>& configs = | |
484 target->forward_dependent_configs(); | |
485 | |
486 // Assume that the lists are small so that brute-force n^2 is appropriate. | |
487 for (const auto& config : configs) { | |
488 for (const auto& dep_pair : target->GetDeps(Target::DEPS_LINKED)) { | |
489 if (config.label == dep_pair.label) { | |
490 DCHECK(dep_pair.ptr); // Should already be resolved. | |
491 // UniqueVector's contents are constant so uniqueness is preserved, but | |
492 // we want to update this pointer which doesn't change uniqueness | |
493 // (uniqueness in this vector is determined by the label only). | |
494 const_cast<LabelTargetPair&>(config).ptr = dep_pair.ptr; | |
495 break; | |
496 } | |
497 } | |
498 if (!config.ptr) { | |
499 *err = Err(target->defined_from(), | |
500 "Target in forward_dependent_configs_from was not listed in the deps", | |
501 "This target has a forward_dependent_configs_from entry that was " | |
502 "not present in\nthe deps. A target can only forward things it " | |
503 "depends on. It was forwarding:\n " + | |
504 config.label.GetUserVisibleName(false)); | |
505 return false; | |
506 } | |
507 } | |
508 return true; | |
509 } | |
510 | |
511 bool Builder::ResolveToolchain(Target* target, Err* err) { | 479 bool Builder::ResolveToolchain(Target* target, Err* err) { |
512 BuilderRecord* record = GetResolvedRecordOfType( | 480 BuilderRecord* record = GetResolvedRecordOfType( |
513 target->settings()->toolchain_label(), target->defined_from(), | 481 target->settings()->toolchain_label(), target->defined_from(), |
514 BuilderRecord::ITEM_TOOLCHAIN, err); | 482 BuilderRecord::ITEM_TOOLCHAIN, err); |
515 if (!record) { | 483 if (!record) { |
516 *err = Err(target->defined_from(), | 484 *err = Err(target->defined_from(), |
517 "Toolchain for target not defined.", | 485 "Toolchain for target not defined.", |
518 "I was hoping to find a toolchain " + | 486 "I was hoping to find a toolchain " + |
519 target->settings()->toolchain_label().GetUserVisibleName(false)); | 487 target->settings()->toolchain_label().GetUserVisibleName(false)); |
520 return false; | 488 return false; |
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535 std::string ret; | 503 std::string ret; |
536 for (size_t i = 0; i < cycle.size(); i++) { | 504 for (size_t i = 0; i < cycle.size(); i++) { |
537 ret += " " + cycle[i]->label().GetUserVisibleName(false); | 505 ret += " " + cycle[i]->label().GetUserVisibleName(false); |
538 if (i != cycle.size() - 1) | 506 if (i != cycle.size() - 1) |
539 ret += " ->"; | 507 ret += " ->"; |
540 ret += "\n"; | 508 ret += "\n"; |
541 } | 509 } |
542 | 510 |
543 return ret; | 511 return ret; |
544 } | 512 } |
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