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1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2016, 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 library fasta.diet_listener; | 5 library fasta.diet_listener; |
6 | 6 |
7 import 'package:front_end/src/fasta/kernel/kernel_ast_factory.dart' | 7 import 'package:front_end/src/fasta/kernel/kernel_ast_factory.dart' |
8 show KernelAstFactory; | 8 show KernelAstFactory; |
9 | 9 |
10 import 'package:front_end/src/fasta/type_inference/type_inference_engine.dart' | 10 import 'package:front_end/src/fasta/type_inference/type_inference_engine.dart' |
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41 | 41 |
42 import 'source_library_builder.dart' show SourceLibraryBuilder; | 42 import 'source_library_builder.dart' show SourceLibraryBuilder; |
43 | 43 |
44 class DietListener extends StackListener { | 44 class DietListener extends StackListener { |
45 final SourceLibraryBuilder library; | 45 final SourceLibraryBuilder library; |
46 | 46 |
47 final ClassHierarchy hierarchy; | 47 final ClassHierarchy hierarchy; |
48 | 48 |
49 final CoreTypes coreTypes; | 49 final CoreTypes coreTypes; |
50 | 50 |
51 final bool isDartLibrary; | 51 final bool enableNative; |
52 | 52 |
53 final TypeInferenceEngine typeInferenceEngine; | 53 final TypeInferenceEngine typeInferenceEngine; |
54 | 54 |
55 ClassBuilder currentClass; | 55 ClassBuilder currentClass; |
56 | 56 |
57 /// For top-level declarations, this is the library scope. For class members, | 57 /// For top-level declarations, this is the library scope. For class members, |
58 /// this is the instance scope of [currentClass]. | 58 /// this is the instance scope of [currentClass]. |
59 Scope memberScope; | 59 Scope memberScope; |
60 | 60 |
61 @override | 61 @override |
62 Uri uri; | 62 Uri uri; |
63 | 63 |
64 DietListener(SourceLibraryBuilder library, this.hierarchy, this.coreTypes, | 64 DietListener(SourceLibraryBuilder library, this.hierarchy, this.coreTypes, |
65 this.typeInferenceEngine) | 65 this.typeInferenceEngine) |
66 : library = library, | 66 : library = library, |
67 uri = library.fileUri, | 67 uri = library.fileUri, |
68 memberScope = library.scope, | 68 memberScope = library.scope, |
69 isDartLibrary = library.uri.scheme == "dart"; | 69 enableNative = (library.uri.scheme == "dart" || library.isPatch); |
70 | 70 |
71 void discard(int n) { | 71 void discard(int n) { |
72 for (int i = 0; i < n; i++) { | 72 for (int i = 0; i < n; i++) { |
73 pop(); | 73 pop(); |
74 } | 74 } |
75 } | 75 } |
76 | 76 |
77 @override | 77 @override |
78 void endMetadataStar(int count, bool forParameter) { | 78 void endMetadataStar(int count, bool forParameter) { |
79 debugEvent("MetadataStar"); | 79 debugEvent("MetadataStar"); |
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493 @override | 493 @override |
494 void endNamedMixinApplication(Token beginToken, Token classKeyword, | 494 void endNamedMixinApplication(Token beginToken, Token classKeyword, |
495 Token equals, Token implementsKeyword, Token endToken) { | 495 Token equals, Token implementsKeyword, Token endToken) { |
496 debugEvent("NamedMixinApplication"); | 496 debugEvent("NamedMixinApplication"); |
497 pop(); // Name. | 497 pop(); // Name. |
498 checkEmpty(beginToken.charOffset); | 498 checkEmpty(beginToken.charOffset); |
499 } | 499 } |
500 | 500 |
501 @override | 501 @override |
502 Token handleUnrecoverableError(Token token, FastaMessage message) { | 502 Token handleUnrecoverableError(Token token, FastaMessage message) { |
503 if (isDartLibrary && message.code == codeExpectedBlockToSkip) { | 503 if (enableNative && message.code == codeExpectedBlockToSkip) { |
504 Token recover = library.loader.target.skipNativeClause(token); | 504 Token recover = library.loader.target.skipNativeClause(token); |
505 if (recover != null) return recover; | 505 if (recover != null) return recover; |
506 } | 506 } |
507 return super.handleUnrecoverableError(token, message); | 507 return super.handleUnrecoverableError(token, message); |
508 } | 508 } |
509 | 509 |
510 @override | 510 @override |
511 Link<Token> handleMemberName(Link<Token> identifiers) { | 511 Link<Token> handleMemberName(Link<Token> identifiers) { |
512 if (!isDartLibrary || identifiers.isEmpty) return identifiers; | 512 if (!enableNative || identifiers.isEmpty) return identifiers; |
513 return removeNativeClause(identifiers); | 513 return removeNativeClause(identifiers); |
514 } | 514 } |
515 | 515 |
516 AsyncMarker getAsyncMarker(StackListener listener) => listener.pop(); | 516 AsyncMarker getAsyncMarker(StackListener listener) => listener.pop(); |
517 | 517 |
518 void parseFunctionBody(StackListener listener, Token token, MemberKind kind) { | 518 void parseFunctionBody(StackListener listener, Token token, MemberKind kind) { |
519 try { | 519 try { |
520 Parser parser = new Parser(listener); | 520 Parser parser = new Parser(listener); |
521 token = parser.parseFormalParametersOpt(token, kind); | 521 token = parser.parseFormalParametersOpt(token, kind); |
522 var formals = listener.pop(); | 522 var formals = listener.pop(); |
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582 return inputError(uri, token.charOffset, "Duplicated name: $name"); | 582 return inputError(uri, token.charOffset, "Duplicated name: $name"); |
583 } | 583 } |
584 return builder; | 584 return builder; |
585 } | 585 } |
586 | 586 |
587 @override | 587 @override |
588 void debugEvent(String name) { | 588 void debugEvent(String name) { |
589 // printEvent(name); | 589 // printEvent(name); |
590 } | 590 } |
591 } | 591 } |
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