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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 /** | 5 /** |
6 * This library contains the infrastructure to parse and integrate patch files. | 6 * This library contains the infrastructure to parse and integrate patch files. |
7 * | 7 * |
8 * Three types of elements can be patched: [LibraryElement], [ClassElement], | 8 * Three types of elements can be patched: [LibraryElement], [ClassElement], |
9 * [FunctionElement]. Patches are introduced in patch libraries which are loaded | 9 * [FunctionElement]. Patches are introduced in patch libraries which are loaded |
10 * together with the corresponding origin library. Which libraries that are | 10 * together with the corresponding origin library. Which libraries that are |
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121 import 'compiler.dart' show Compiler; | 121 import 'compiler.dart' show Compiler; |
122 import 'constants/values.dart' show ConstantValue; | 122 import 'constants/values.dart' show ConstantValue; |
123 import 'dart_types.dart' show DartType; | 123 import 'dart_types.dart' show DartType; |
124 import 'elements/elements.dart'; | 124 import 'elements/elements.dart'; |
125 import 'elements/modelx.dart' | 125 import 'elements/modelx.dart' |
126 show | 126 show |
127 BaseFunctionElementX, | 127 BaseFunctionElementX, |
128 ClassElementX, | 128 ClassElementX, |
129 GetterElementX, | 129 GetterElementX, |
130 LibraryElementX, | 130 LibraryElementX, |
| 131 MetadataAnnotationX, |
131 SetterElementX; | 132 SetterElementX; |
132 import 'id_generator.dart'; | 133 import 'id_generator.dart'; |
133 import 'js_backend/js_backend.dart' show JavaScriptBackend; | 134 import 'js_backend/js_backend.dart' show JavaScriptBackend; |
134 import 'library_loader.dart' show LibraryLoader; | 135 import 'library_loader.dart' show LibraryLoader; |
135 import 'options.dart' show ParserOptions; | 136 import 'options.dart' show ParserOptions; |
136 import 'parser/element_listener.dart' show ElementListener; | 137 import 'parser/element_listener.dart' show ElementListener; |
137 import 'parser/listener.dart' show Listener, ParserError; | 138 import 'parser/listener.dart' show Listener, ParserError; |
138 import 'parser/member_listener.dart' show MemberListener; | 139 import 'parser/member_listener.dart' show MemberListener; |
139 import 'parser/parser.dart' show Parser; | 140 import 'parser/parser.dart' show Parser; |
140 import 'parser/partial_elements.dart' show PartialClassElement; | 141 import 'parser/partial_elements.dart' show PartialClassElement; |
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396 } | 397 } |
397 return null; | 398 return null; |
398 } | 399 } |
399 } | 400 } |
400 | 401 |
401 /// Annotation handler for pre-resolution detection of `@Native(...)` | 402 /// Annotation handler for pre-resolution detection of `@Native(...)` |
402 /// annotations. | 403 /// annotations. |
403 class NativeAnnotationHandler implements EagerAnnotationHandler<String> { | 404 class NativeAnnotationHandler implements EagerAnnotationHandler<String> { |
404 const NativeAnnotationHandler(); | 405 const NativeAnnotationHandler(); |
405 | 406 |
406 String getNativeAnnotation(MetadataAnnotation annotation) { | 407 String getNativeAnnotation(MetadataAnnotationX annotation) { |
407 if (annotation.beginToken != null && | 408 if (annotation.beginToken != null && |
408 annotation.beginToken.next.value == 'Native') { | 409 annotation.beginToken.next.value == 'Native') { |
409 // Skipping '@', 'Native', and '('. | 410 // Skipping '@', 'Native', and '('. |
410 Token argument = annotation.beginToken.next.next.next; | 411 Token argument = annotation.beginToken.next.next.next; |
411 if (argument is StringToken) { | 412 if (argument is StringToken) { |
412 return argument.value; | 413 return argument.value; |
413 } | 414 } |
414 } | 415 } |
415 return null; | 416 return null; |
416 } | 417 } |
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436 reporter.internalError(annotation, 'Invalid @Native(...) annotation.'); | 437 reporter.internalError(annotation, 'Invalid @Native(...) annotation.'); |
437 } | 438 } |
438 } | 439 } |
439 } | 440 } |
440 | 441 |
441 /// Annotation handler for pre-resolution detection of `@JS(...)` | 442 /// Annotation handler for pre-resolution detection of `@JS(...)` |
442 /// annotations. | 443 /// annotations. |
443 class JsInteropAnnotationHandler implements EagerAnnotationHandler<bool> { | 444 class JsInteropAnnotationHandler implements EagerAnnotationHandler<bool> { |
444 const JsInteropAnnotationHandler(); | 445 const JsInteropAnnotationHandler(); |
445 | 446 |
446 bool hasJsNameAnnotation(MetadataAnnotation annotation) => | 447 bool hasJsNameAnnotation(MetadataAnnotationX annotation) => |
447 annotation.beginToken != null && annotation.beginToken.next.value == 'JS'; | 448 annotation.beginToken != null && annotation.beginToken.next.value == 'JS'; |
448 | 449 |
449 bool apply( | 450 bool apply( |
450 Compiler compiler, Element element, MetadataAnnotation annotation) { | 451 Compiler compiler, Element element, MetadataAnnotation annotation) { |
451 bool hasJsInterop = hasJsNameAnnotation(annotation); | 452 bool hasJsInterop = hasJsNameAnnotation(annotation); |
452 if (hasJsInterop) { | 453 if (hasJsInterop) { |
453 JavaScriptBackend backend = compiler.backend; | 454 JavaScriptBackend backend = compiler.backend; |
454 backend.nativeData.markAsJsInterop(element); | 455 backend.nativeData.markAsJsInterop(element); |
455 } | 456 } |
456 // Due to semantics of apply in the baseclass we have to return null to | 457 // Due to semantics of apply in the baseclass we have to return null to |
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467 compiler.reporter | 468 compiler.reporter |
468 .internalError(annotation, 'Invalid @JS(...) annotation.'); | 469 .internalError(annotation, 'Invalid @JS(...) annotation.'); |
469 } | 470 } |
470 } | 471 } |
471 } | 472 } |
472 | 473 |
473 /// Annotation handler for pre-resolution detection of `@patch` annotations. | 474 /// Annotation handler for pre-resolution detection of `@patch` annotations. |
474 class PatchAnnotationHandler implements EagerAnnotationHandler<PatchVersion> { | 475 class PatchAnnotationHandler implements EagerAnnotationHandler<PatchVersion> { |
475 const PatchAnnotationHandler(); | 476 const PatchAnnotationHandler(); |
476 | 477 |
477 PatchVersion getPatchVersion(MetadataAnnotation annotation) { | 478 PatchVersion getPatchVersion(MetadataAnnotationX annotation) { |
478 if (annotation.beginToken != null) { | 479 if (annotation.beginToken != null) { |
479 if (annotation.beginToken.next.value == 'patch') { | 480 if (annotation.beginToken.next.value == 'patch') { |
480 return const PatchVersion(null); | 481 return const PatchVersion(null); |
481 } else if (annotation.beginToken.next.value == 'patch_full') { | 482 } else if (annotation.beginToken.next.value == 'patch_full') { |
482 return const PatchVersion('full'); | 483 return const PatchVersion('full'); |
483 } else if (annotation.beginToken.next.value == 'patch_lazy') { | 484 } else if (annotation.beginToken.next.value == 'patch_lazy') { |
484 return const PatchVersion('lazy'); | 485 return const PatchVersion('lazy'); |
485 } else if (annotation.beginToken.next.value == 'patch_startup') { | 486 } else if (annotation.beginToken.next.value == 'patch_startup') { |
486 return const PatchVersion('startup'); | 487 return const PatchVersion('startup'); |
487 } | 488 } |
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615 | 616 |
616 class PatchVersion { | 617 class PatchVersion { |
617 final String tag; | 618 final String tag; |
618 | 619 |
619 const PatchVersion(this.tag); | 620 const PatchVersion(this.tag); |
620 | 621 |
621 bool isActive(String patchTag) => tag == null || tag == patchTag; | 622 bool isActive(String patchTag) => tag == null || tag == patchTag; |
622 | 623 |
623 String toString() => 'PatchVersion($tag)'; | 624 String toString() => 'PatchVersion($tag)'; |
624 } | 625 } |
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