OLD | NEW |
1 // Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2015, 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 /// Analysis to determine how to generate code for typed JavaScript interop. | 5 /// Analysis to determine how to generate code for typed JavaScript interop. |
6 library compiler.src.js_backend.js_interop_analysis; | 6 library compiler.src.js_backend.js_interop_analysis; |
7 | 7 |
8 import '../common.dart'; | |
9 import '../constants/values.dart' | 8 import '../constants/values.dart' |
10 show ConstantValue, ConstructedConstantValue, StringConstantValue; | 9 show ConstantValue, ConstructedConstantValue, StringConstantValue; |
11 import '../diagnostics/messages.dart' show MessageKind; | 10 import '../diagnostics/messages.dart' show MessageKind; |
12 import '../elements/elements.dart' | 11 import '../elements/elements.dart' |
13 show | 12 show |
14 ClassElement, | 13 ClassElement, |
15 Element, | 14 Element, |
16 FieldElement, | 15 FieldElement, |
17 FunctionElement, | 16 FunctionElement, |
18 LibraryElement, | 17 LibraryElement, |
(...skipping 29 matching lines...) Expand all Loading... |
48 .forEach(processJsInteropAnnotationsInLibrary); | 47 .forEach(processJsInteropAnnotationsInLibrary); |
49 } | 48 } |
50 } | 49 } |
51 | 50 |
52 void onCodegenStart() { | 51 void onCodegenStart() { |
53 _inCodegen = true; | 52 _inCodegen = true; |
54 } | 53 } |
55 | 54 |
56 void processJsInteropAnnotation(Element e) { | 55 void processJsInteropAnnotation(Element e) { |
57 for (MetadataAnnotation annotation in e.implementation.metadata) { | 56 for (MetadataAnnotation annotation in e.implementation.metadata) { |
58 // TODO(johnniwinther): Avoid processing unresolved elements. | |
59 if (annotation.constant == null) continue; | |
60 ConstantValue constant = | 57 ConstantValue constant = |
61 backend.compiler.constants.getConstantValue(annotation.constant); | 58 backend.compiler.constants.getConstantValue(annotation.constant); |
62 if (constant == null || constant is! ConstructedConstantValue) continue; | 59 if (constant == null || constant is! ConstructedConstantValue) continue; |
63 ConstructedConstantValue constructedConstant = constant; | 60 ConstructedConstantValue constructedConstant = constant; |
64 if (constructedConstant.type.element == helpers.jsAnnotationClass) { | 61 if (constructedConstant.type.element == helpers.jsAnnotationClass) { |
65 ConstantValue value = constructedConstant.fields[nameField]; | 62 ConstantValue value = constructedConstant.fields[nameField]; |
66 if (value.isString) { | 63 if (value.isString) { |
67 StringConstantValue stringValue = value; | 64 StringConstantValue stringValue = value; |
68 backend.nativeData | 65 backend.nativeData |
69 .setJsInteropName(e, stringValue.primitiveValue.slowToString()); | 66 .setJsInteropName(e, stringValue.primitiveValue.slowToString()); |
(...skipping 109 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
179 var name = backend.namer.invocationName(selector); | 176 var name = backend.namer.invocationName(selector); |
180 statements.add(js.statement( | 177 statements.add(js.statement( |
181 'Function.prototype.# = function(#) { return this(#) }', | 178 'Function.prototype.# = function(#) { return this(#) }', |
182 [name, parameters, parameters])); | 179 [name, parameters, parameters])); |
183 } | 180 } |
184 }); | 181 }); |
185 }); | 182 }); |
186 return new jsAst.Block(statements); | 183 return new jsAst.Block(statements); |
187 } | 184 } |
188 } | 185 } |
OLD | NEW |