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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 part of dart2js.js_emitter; | 5 part of dart2js.js_emitter; |
6 | 6 |
7 /** | 7 /** |
8 * Generates the code for all used classes in the program. Static fields (even | 8 * Generates the code for all used classes in the program. Static fields (even |
9 * in classes) are ignored, since they can be treated as non-class elements. | 9 * in classes) are ignored, since they can be treated as non-class elements. |
10 * | 10 * |
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128 => r'$finishClasses'; | 128 => r'$finishClasses'; |
129 String get finishClassesName | 129 String get finishClassesName |
130 => '${namer.isolateName}.$finishClassesProperty'; | 130 => '${namer.isolateName}.$finishClassesProperty'; |
131 String get finishIsolateConstructorName | 131 String get finishIsolateConstructorName |
132 => '${namer.isolateName}.\$finishIsolateConstructor'; | 132 => '${namer.isolateName}.\$finishIsolateConstructor'; |
133 String get isolatePropertiesName | 133 String get isolatePropertiesName |
134 => '${namer.isolateName}.${namer.isolatePropertiesName}'; | 134 => '${namer.isolateName}.${namer.isolatePropertiesName}'; |
135 String get lazyInitializerName | 135 String get lazyInitializerName |
136 => '${namer.isolateName}.\$lazy'; | 136 => '${namer.isolateName}.\$lazy'; |
137 String get initName => 'init'; | 137 String get initName => 'init'; |
138 String get makeConstListProperty | |
139 => namer.getMappedInstanceName('makeConstantList'); | |
140 | 138 |
141 jsAst.FunctionDeclaration get generateAccessorFunction { | 139 jsAst.FunctionDeclaration get generateAccessorFunction { |
142 const RANGE1_SIZE = RANGE1_LAST - RANGE1_FIRST + 1; | 140 const RANGE1_SIZE = RANGE1_LAST - RANGE1_FIRST + 1; |
143 const RANGE2_SIZE = RANGE2_LAST - RANGE2_FIRST + 1; | 141 const RANGE2_SIZE = RANGE2_LAST - RANGE2_FIRST + 1; |
144 const RANGE1_ADJUST = - (FIRST_FIELD_CODE - RANGE1_FIRST); | 142 const RANGE1_ADJUST = - (FIRST_FIELD_CODE - RANGE1_FIRST); |
145 const RANGE2_ADJUST = - (FIRST_FIELD_CODE + RANGE1_SIZE - RANGE2_FIRST); | 143 const RANGE2_ADJUST = - (FIRST_FIELD_CODE + RANGE1_SIZE - RANGE2_FIRST); |
146 const RANGE3_ADJUST = | 144 const RANGE3_ADJUST = |
147 - (FIRST_FIELD_CODE + RANGE1_SIZE + RANGE2_SIZE - RANGE3_FIRST); | 145 - (FIRST_FIELD_CODE + RANGE1_SIZE + RANGE2_SIZE - RANGE3_FIRST); |
148 | 146 |
149 String receiverParamName = compiler.enableMinification ? "r" : "receiver"; | 147 String receiverParamName = compiler.enableMinification ? "r" : "receiver"; |
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533 function ForceEfficientMap() {} | 531 function ForceEfficientMap() {} |
534 ForceEfficientMap.prototype = this; | 532 ForceEfficientMap.prototype = this; |
535 new ForceEfficientMap(); | 533 new ForceEfficientMap(); |
536 } | 534 } |
537 Isolate.prototype = oldIsolate.prototype; | 535 Isolate.prototype = oldIsolate.prototype; |
538 Isolate.prototype.constructor = Isolate; | 536 Isolate.prototype.constructor = Isolate; |
539 Isolate.${namer.isolatePropertiesName} = isolateProperties; | 537 Isolate.${namer.isolatePropertiesName} = isolateProperties; |
540 if (#) | 538 if (#) |
541 Isolate.$finishClassesProperty = oldIsolate.$finishClassesProperty; | 539 Isolate.$finishClassesProperty = oldIsolate.$finishClassesProperty; |
542 if (#) | 540 if (#) |
543 Isolate.$makeConstListProperty = oldIsolate.$makeConstListProperty; | 541 Isolate.makeConstantList = oldIsolate.makeConstantList; |
544 return Isolate; | 542 return Isolate; |
545 }''', | 543 }''', |
546 [ needsDefineClass, hasMakeConstantList ]); | 544 [ needsDefineClass, hasMakeConstantList ]); |
547 } | 545 } |
548 | 546 |
549 jsAst.Fun get lazyInitializerFunction { | 547 jsAst.Fun get lazyInitializerFunction { |
550 String isolate = namer.currentIsolate; | 548 String isolate = namer.currentIsolate; |
551 jsAst.Expression cyclicThrow = | 549 jsAst.Expression cyclicThrow = |
552 namer.elementAccess(backend.getCyclicThrowHelper()); | 550 namer.elementAccess(backend.getCyclicThrowHelper()); |
553 | 551 |
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951 int r = namer.constantLongName(a).compareTo(namer.constantLongName(b)); | 949 int r = namer.constantLongName(a).compareTo(namer.constantLongName(b)); |
952 if (r != 0) return r; | 950 if (r != 0) return r; |
953 // Resolve collisions in the long name by using the constant name (i.e. JS | 951 // Resolve collisions in the long name by using the constant name (i.e. JS |
954 // name) which is unique. | 952 // name) which is unique. |
955 return namer.constantName(a).compareTo(namer.constantName(b)); | 953 return namer.constantName(a).compareTo(namer.constantName(b)); |
956 } | 954 } |
957 | 955 |
958 void emitMakeConstantListIfNotEmitted(CodeBuffer buffer) { | 956 void emitMakeConstantListIfNotEmitted(CodeBuffer buffer) { |
959 if (hasMakeConstantList) return; | 957 if (hasMakeConstantList) return; |
960 hasMakeConstantList = true; | 958 hasMakeConstantList = true; |
961 jsAst.Statement value = new jsAst.ExpressionStatement(new jsAst.Assignment( | 959 buffer |
962 new jsAst.PropertyAccess.field( | 960 ..write(namer.isolateName) |
963 new jsAst.VariableUse(namer.isolateName), | 961 ..write('''.makeConstantList = function(list) { |
964 makeConstListProperty), | 962 list.immutable\$list = $initName; |
965 js('''function(list) { | 963 list.fixed\$length = $initName; |
966 list.immutable\$list = $initName; | 964 return list; |
967 list.fixed\$length = $initName; | 965 }; |
968 return list; | 966 '''); |
969 }'''))); | |
970 buffer.write(jsAst.prettyPrint(value, compiler)); | |
971 } | 967 } |
972 | 968 |
973 /// Returns the code equivalent to: | 969 /// Returns the code equivalent to: |
974 /// `function(args) { $.startRootIsolate(X.main$closure(), args); }` | 970 /// `function(args) { $.startRootIsolate(X.main$closure(), args); }` |
975 String buildIsolateSetupClosure(CodeBuffer buffer, | 971 String buildIsolateSetupClosure(CodeBuffer buffer, |
976 Element appMain, | 972 Element appMain, |
977 Element isolateMain) { | 973 Element isolateMain) { |
978 jsAst.Expression mainAccess = namer.isolateStaticClosureAccess(appMain); | 974 jsAst.Expression mainAccess = namer.isolateStaticClosureAccess(appMain); |
979 // Since we pass the closurized version of the main method to | 975 // Since we pass the closurized version of the main method to |
980 // the isolate method, we must make sure that it exists. | 976 // the isolate method, we must make sure that it exists. |
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1743 String sourceMap = sourceMapBuilder.build(); | 1739 String sourceMap = sourceMapBuilder.build(); |
1744 compiler.outputProvider(name, 'js.map') | 1740 compiler.outputProvider(name, 'js.map') |
1745 ..add(sourceMap) | 1741 ..add(sourceMap) |
1746 ..close(); | 1742 ..close(); |
1747 } | 1743 } |
1748 | 1744 |
1749 void registerReadTypeVariable(TypeVariableElement element) { | 1745 void registerReadTypeVariable(TypeVariableElement element) { |
1750 readTypeVariables.add(element); | 1746 readTypeVariables.add(element); |
1751 } | 1747 } |
1752 } | 1748 } |
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