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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 dart2js.js_emitter.full_emitter; | 5 part of dart2js.js_emitter.full_emitter; |
6 | 6 |
7 // TODO(ahe): Share these with js_helper.dart. | 7 // TODO(ahe): Share these with js_helper.dart. |
8 const FUNCTION_INDEX = 0; | 8 const FUNCTION_INDEX = 0; |
9 const NAME_INDEX = 1; | 9 const NAME_INDEX = 1; |
10 const CALL_NAME_INDEX = 2; | 10 const CALL_NAME_INDEX = 2; |
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23 | 23 |
24 const String setupProgramName ='setupProgram'; | 24 const String setupProgramName ='setupProgram'; |
25 // TODO(floitsch): make sure this property can't clash with anything. It's | 25 // TODO(floitsch): make sure this property can't clash with anything. It's |
26 // unlikely since it lives on types, but still. | 26 // unlikely since it lives on types, but still. |
27 const String typeNameProperty = r'builtin$cls'; | 27 const String typeNameProperty = r'builtin$cls'; |
28 | 28 |
29 jsAst.Statement buildSetupProgram(Program program, Compiler compiler, | 29 jsAst.Statement buildSetupProgram(Program program, Compiler compiler, |
30 JavaScriptBackend backend, | 30 JavaScriptBackend backend, |
31 Namer namer, | 31 Namer namer, |
32 Emitter emitter) { | 32 Emitter emitter) { |
33 | 33 |
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34 | |
34 jsAst.Expression typeInformationAccess = | 35 jsAst.Expression typeInformationAccess = |
35 emitter.generateEmbeddedGlobalAccess(embeddedNames.TYPE_INFORMATION); | 36 emitter.generateEmbeddedGlobalAccess(embeddedNames.TYPE_INFORMATION); |
36 jsAst.Expression globalFunctionsAccess = | 37 jsAst.Expression globalFunctionsAccess = |
37 emitter.generateEmbeddedGlobalAccess(embeddedNames.GLOBAL_FUNCTIONS); | 38 emitter.generateEmbeddedGlobalAccess(embeddedNames.GLOBAL_FUNCTIONS); |
38 jsAst.Expression staticsAccess = | 39 jsAst.Expression staticsAccess = |
39 emitter.generateEmbeddedGlobalAccess(embeddedNames.STATICS); | 40 emitter.generateEmbeddedGlobalAccess(embeddedNames.STATICS); |
40 jsAst.Expression interceptedNamesAccess = | 41 jsAst.Expression interceptedNamesAccess = |
41 emitter.generateEmbeddedGlobalAccess(embeddedNames.INTERCEPTED_NAMES); | 42 emitter.generateEmbeddedGlobalAccess(embeddedNames.INTERCEPTED_NAMES); |
42 jsAst.Expression mangledGlobalNamesAccess = | 43 jsAst.Expression mangledGlobalNamesAccess = |
43 emitter.generateEmbeddedGlobalAccess(embeddedNames.MANGLED_GLOBAL_NAMES); | 44 emitter.generateEmbeddedGlobalAccess(embeddedNames.MANGLED_GLOBAL_NAMES); |
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120 'classFieldsExtractor': classFieldsExtractorAccess, | 121 'classFieldsExtractor': classFieldsExtractorAccess, |
121 'instanceFromClassId': instanceFromClassIdAccess, | 122 'instanceFromClassId': instanceFromClassIdAccess, |
122 'initializeEmptyInstance': initializeEmptyInstanceAccess, | 123 'initializeEmptyInstance': initializeEmptyInstanceAccess, |
123 'allClasses': allClassesAccess, | 124 'allClasses': allClassesAccess, |
124 'debugFastObjects': DEBUG_FAST_OBJECTS, | 125 'debugFastObjects': DEBUG_FAST_OBJECTS, |
125 'isTreeShakingDisabled': backend.isTreeShakingDisabled, | 126 'isTreeShakingDisabled': backend.isTreeShakingDisabled, |
126 'precompiled': precompiledAccess, | 127 'precompiled': precompiledAccess, |
127 'finishedClassesAccess': finishedClassesAccess, | 128 'finishedClassesAccess': finishedClassesAccess, |
128 'needsMixinSupport': emitter.needsMixinSupport, | 129 'needsMixinSupport': emitter.needsMixinSupport, |
129 'needsNativeSupport': program.needsNativeSupport, | 130 'needsNativeSupport': program.needsNativeSupport, |
131 'enabledJsInterop': backend.jsInteropAnalysis.enabledJsInterop, | |
132 'jsInteropBoostrap':backend.jsInteropAnalysis.buildJsInteropBootstrap(), | |
130 'isInterceptorClass': namer.operatorIs(backend.jsInterceptorClass), | 133 'isInterceptorClass': namer.operatorIs(backend.jsInterceptorClass), |
131 'isObject' : namer.operatorIs(compiler.objectClass), | 134 'isObject' : namer.operatorIs(compiler.objectClass), |
132 'specProperty': js.string(namer.nativeSpecProperty), | 135 'specProperty': js.string(namer.nativeSpecProperty), |
133 'trivialNsmHandlers': emitter.buildTrivialNsmHandlers(), | 136 'trivialNsmHandlers': emitter.buildTrivialNsmHandlers(), |
134 'hasRetainedMetadata': backend.hasRetainedMetadata, | 137 'hasRetainedMetadata': backend.hasRetainedMetadata, |
135 'types': typesAccess, | 138 'types': typesAccess, |
136 'objectClassName': js.quoteName( | 139 'objectClassName': js.quoteName( |
137 namer.runtimeTypeName(compiler.objectClass)), | 140 namer.runtimeTypeName(compiler.objectClass)), |
138 'needsStructuredMemberInfo': emitter.needsStructuredMemberInfo, | 141 'needsStructuredMemberInfo': emitter.needsStructuredMemberInfo, |
139 'usesMangledNames': | 142 'usesMangledNames': |
140 compiler.mirrorsLibrary != null || compiler.enabledFunctionApply, | 143 compiler.mirrorsLibrary != null || compiler.enabledFunctionApply, |
141 'tearOffCode': buildTearOffCode(backend), | 144 'tearOffCode': buildTearOffCode(backend), |
142 'nativeInfoHandler': nativeInfoHandler, | 145 'nativeInfoHandler': nativeInfoHandler, |
143 'operatorIsPrefix' : js.string(namer.operatorIsPrefix), | 146 'operatorIsPrefix' : js.string(namer.operatorIsPrefix), |
144 'deferredActionString': js.string(namer.deferredAction)}; | 147 'deferredActionString': js.string(namer.deferredAction)}; |
145 | |
146 String skeleton = ''' | 148 String skeleton = ''' |
147 function $setupProgramName(programData, typesOffset) { | 149 function $setupProgramName(programData, typesOffset) { |
148 "use strict"; | 150 "use strict"; |
149 if (#needsClassSupport) { | 151 if (#needsClassSupport) { |
150 | 152 |
151 function generateAccessor(fieldDescriptor, accessors, cls) { | 153 function generateAccessor(fieldDescriptor, accessors, cls) { |
152 var fieldInformation = fieldDescriptor.split("-"); | 154 var fieldInformation = fieldDescriptor.split("-"); |
153 var field = fieldInformation[0]; | 155 var field = fieldInformation[0]; |
154 var len = field.length; | 156 var len = field.length; |
155 var code = field.charCodeAt(len - 1); | 157 var code = field.charCodeAt(len - 1); |
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747 mangledNames[name] = reflectionName; | 749 mangledNames[name] = reflectionName; |
748 funcs[0].$reflectionNameField = reflectionName; | 750 funcs[0].$reflectionNameField = reflectionName; |
749 funcs[0].$metadataIndexField = unmangledNameIndex + 1; | 751 funcs[0].$metadataIndexField = unmangledNameIndex + 1; |
750 // The following line installs the [${JsGetName.CALL_CATCH_ALL}] | 752 // The following line installs the [${JsGetName.CALL_CATCH_ALL}] |
751 // property for closures. | 753 // property for closures. |
752 if (optionalParameterCount) prototype[unmangledName + "*"] = funcs[0]; | 754 if (optionalParameterCount) prototype[unmangledName + "*"] = funcs[0]; |
753 } | 755 } |
754 } | 756 } |
755 } | 757 } |
756 | 758 |
759 if (#enabledJsInterop) { | |
760 #jsInteropBoostrap | |
761 } | |
757 #tearOffCode; | 762 #tearOffCode; |
758 } | 763 } |
759 | 764 |
760 if (#hasIncrementalSupport) { | 765 if (#hasIncrementalSupport) { |
761 #incrementalHelper.addStubs = addStubs; | 766 #incrementalHelper.addStubs = addStubs; |
762 } | 767 } |
763 | 768 |
764 var functionCounter = 0; | 769 var functionCounter = 0; |
765 if (!#libraries) #libraries = []; | 770 if (!#libraries) #libraries = []; |
766 if (!#mangledNames) #mangledNames = map(); | 771 if (!#mangledNames) #mangledNames = map(); |
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848 (function() { | 853 (function() { |
849 var result = $array[$index]; | 854 var result = $array[$index]; |
850 if ($check) { | 855 if ($check) { |
851 throw new Error( | 856 throw new Error( |
852 name + ": expected value of type \'$type\' at index " + ($index) + | 857 name + ": expected value of type \'$type\' at index " + ($index) + |
853 " but got " + (typeof result)); | 858 " but got " + (typeof result)); |
854 } | 859 } |
855 return result; | 860 return result; |
856 })()'''; | 861 })()'''; |
857 } | 862 } |
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