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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 part of js_backend; | 5 part of js_backend; |
6 | 6 |
7 /** | 7 /** |
8 * Support for Custom Elements. | 8 * Support for Custom Elements. |
9 * | 9 * |
10 * The support for custom elements the compiler builds a table that maps the | 10 * The support for custom elements the compiler builds a table that maps the |
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64 } | 64 } |
65 | 65 |
66 CustomElementsAnalysisJoin joinFor(Enqueuer enqueuer) => | 66 CustomElementsAnalysisJoin joinFor(Enqueuer enqueuer) => |
67 enqueuer.isResolutionQueue ? resolutionJoin : codegenJoin; | 67 enqueuer.isResolutionQueue ? resolutionJoin : codegenJoin; |
68 | 68 |
69 void registerInstantiatedClass(ClassElement classElement, Enqueuer enqueuer) { | 69 void registerInstantiatedClass(ClassElement classElement, Enqueuer enqueuer) { |
70 classElement.ensureResolved(compiler.resolution); | 70 classElement.ensureResolved(compiler.resolution); |
71 if (!Elements.isNativeOrExtendsNative(classElement)) return; | 71 if (!Elements.isNativeOrExtendsNative(classElement)) return; |
72 if (classElement.isMixinApplication) return; | 72 if (classElement.isMixinApplication) return; |
73 if (classElement.isAbstract) return; | 73 if (classElement.isAbstract) return; |
74 if (classElement.isJsInterop) return; | |
74 joinFor(enqueuer).instantiatedClasses.add(classElement); | 75 joinFor(enqueuer).instantiatedClasses.add(classElement); |
75 } | 76 } |
76 | 77 |
77 void registerTypeLiteral(DartType type, Registry registry) { | 78 void registerTypeLiteral(DartType type, Registry registry) { |
78 assert(registry.isForResolution); | 79 assert(registry.isForResolution); |
79 // In codegen we see the TypeConstants instead. | 80 // In codegen we see the TypeConstants instead. |
80 if (!registry.isForResolution) return; | 81 if (!registry.isForResolution) return; |
81 | 82 |
82 if (type.isInterfaceType) { | 83 if (type.isInterfaceType) { |
83 // TODO(sra): If we had a flow query from the type literal expression to | 84 // TODO(sra): If we had a flow query from the type literal expression to |
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144 // ClassesOutput: classes requiring metadata. | 145 // ClassesOutput: classes requiring metadata. |
145 final activeClasses = new Set<ClassElement>(); | 146 final activeClasses = new Set<ClassElement>(); |
146 | 147 |
147 CustomElementsAnalysisJoin(this.backend); | 148 CustomElementsAnalysisJoin(this.backend); |
148 | 149 |
149 void flush(Enqueuer enqueuer) { | 150 void flush(Enqueuer enqueuer) { |
150 if (!demanded) return; | 151 if (!demanded) return; |
151 var newActiveClasses = new Set<ClassElement>(); | 152 var newActiveClasses = new Set<ClassElement>(); |
152 for (ClassElement classElement in instantiatedClasses) { | 153 for (ClassElement classElement in instantiatedClasses) { |
153 bool isNative = classElement.isNative; | 154 bool isNative = classElement.isNative; |
155 // JsInterop classes are opaque interfaces without a concrete | |
156 // implementation. | |
157 if (classElement.isJsInterop) continue; | |
Siggi Cherem (dart-lang)
2015/10/06 22:38:02
can this happen given the change you have above in
Jacob
2015/10/13 01:19:23
nope. Removed and moved comment to the other isJsI
| |
154 bool isExtension = | 158 bool isExtension = |
155 !isNative && Elements.isNativeOrExtendsNative(classElement); | 159 !isNative && Elements.isNativeOrExtendsNative(classElement); |
156 // Generate table entries for native classes that are explicitly named and | 160 // Generate table entries for native classes that are explicitly named and |
157 // extensions that fix our criteria. | 161 // extensions that fix our criteria. |
158 if ((isNative && selectedClasses.contains(classElement)) || | 162 if ((isNative && selectedClasses.contains(classElement)) || |
159 (isExtension && | 163 (isExtension && |
160 (allClassesSelected || selectedClasses.contains(classElement)))) { | 164 (allClassesSelected || selectedClasses.contains(classElement)))) { |
161 newActiveClasses.add(classElement); | 165 newActiveClasses.add(classElement); |
162 Iterable<Element> escapingConstructors = | 166 Iterable<Element> escapingConstructors = |
163 computeEscapingConstructors(classElement); | 167 computeEscapingConstructors(classElement); |
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197 result.add(member); | 201 result.add(member); |
198 } | 202 } |
199 } | 203 } |
200 } | 204 } |
201 classElement.forEachMember(selectGenerativeConstructors, | 205 classElement.forEachMember(selectGenerativeConstructors, |
202 includeBackendMembers: false, | 206 includeBackendMembers: false, |
203 includeSuperAndInjectedMembers: false); | 207 includeSuperAndInjectedMembers: false); |
204 return result; | 208 return result; |
205 } | 209 } |
206 } | 210 } |
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