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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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 dart2js.new_js_emitter.emitter; | 5 library dart2js.new_js_emitter.emitter; |
| 6 | 6 |
| 7 import '../model.dart'; | 7 import '../model.dart'; |
| 8 import 'model_emitter.dart'; | 8 import 'model_emitter.dart'; |
| 9 import '../../common.dart'; | 9 import '../../common.dart'; |
| 10 import '../../js/js.dart' as js; | 10 import '../../js/js.dart' as js; |
| 11 | 11 |
| 12 import '../../js_backend/js_backend.dart' show Namer, JavaScriptBackend; | 12 import '../../js_backend/js_backend.dart' show Namer, JavaScriptBackend; |
| 13 import '../../js_emitter/js_emitter.dart' as emitterTask show | 13 import '../../js_emitter/js_emitter.dart' as emitterTask show |
| 14 CodeEmitterTask, | 14 CodeEmitterTask, |
| 15 Emitter; | 15 Emitter; |
| 16 | 16 |
| 17 class Emitter implements emitterTask.Emitter { | 17 class Emitter implements emitterTask.Emitter { |
| 18 final Compiler _compiler; | 18 final Compiler _compiler; |
| 19 final Namer namer; | 19 final Namer namer; |
| 20 final ModelEmitter _emitter; | 20 final ModelEmitter _emitter; |
| 21 | 21 |
| 22 Emitter(Compiler compiler, Namer namer) | 22 Emitter(Compiler compiler, Namer namer) |
| 23 : this._compiler = compiler, | 23 : this._compiler = compiler, |
| 24 this.namer = namer, | 24 this.namer = namer, |
| 25 _emitter = new ModelEmitter(compiler, namer); | 25 _emitter = new ModelEmitter(compiler, namer); |
| 26 | 26 |
| 27 void emitProgram(Program program) { | 27 int emitProgram(Program program) { |
| 28 _emitter.emitProgram(program); | 28 return _emitter.emitProgram(program); |
| 29 } | 29 } |
| 30 | 30 |
| 31 // TODO(floitsch): copied from OldEmitter. Adjust or share. | 31 // TODO(floitsch): copied from OldEmitter. Adjust or share. |
| 32 bool isConstantInlinedOrAlreadyEmitted(ConstantValue constant) { | 32 bool isConstantInlinedOrAlreadyEmitted(ConstantValue constant) { |
| 33 if (constant.isFunction) return true; // Already emitted. | 33 if (constant.isFunction) return true; // Already emitted. |
| 34 if (constant.isPrimitive) return true; // Inlined. | 34 if (constant.isPrimitive) return true; // Inlined. |
| 35 if (constant.isDummy) return true; // Inlined. | 35 if (constant.isDummy) return true; // Inlined. |
| 36 // The name is null when the constant is already a JS constant. | 36 // The name is null when the constant is already a JS constant. |
| 37 // TODO(floitsch): every constant should be registered, so that we can | 37 // TODO(floitsch): every constant should be registered, so that we can |
| 38 // share the ones that take up too much space (like some strings). | 38 // share the ones that take up too much space (like some strings). |
| (...skipping 27 matching lines...) Expand all Loading... |
| 66 js.Expression generateEmbeddedGlobalAccess(String global) { | 66 js.Expression generateEmbeddedGlobalAccess(String global) { |
| 67 // TODO(floitsch): We should not use "init" for globals. | 67 // TODO(floitsch): We should not use "init" for globals. |
| 68 return js.string("init.$global"); | 68 return js.string("init.$global"); |
| 69 } | 69 } |
| 70 | 70 |
| 71 js.Expression constantReference(ConstantValue value) { | 71 js.Expression constantReference(ConstantValue value) { |
| 72 return _emitter.constantEmitter.reference(value); | 72 return _emitter.constantEmitter.reference(value); |
| 73 } | 73 } |
| 74 | 74 |
| 75 js.Expression isolateLazyInitializerAccess(Element element) { | 75 js.Expression isolateLazyInitializerAccess(Element element) { |
| 76 return js.js('#.#', [namer.globalObjectFor(element), | 76 return js.js('#.#', [namer.globalObjectFor(element), |
| 77 namer.getLazyInitializerName(element)]); | 77 namer.getLazyInitializerName(element)]); |
| 78 } | 78 } |
| 79 | 79 |
| 80 js.Expression isolateStaticClosureAccess(Element element) { | 80 js.Expression isolateStaticClosureAccess(Element element) { |
| 81 return js.js('#.#()', | 81 return js.js('#.#()', |
| 82 [namer.globalObjectFor(element), namer.getStaticClosureName(element)]); | 82 [namer.globalObjectFor(element), namer.getStaticClosureName(element)]); |
| 83 } | 83 } |
| 84 | 84 |
| 85 js.PropertyAccess globalPropertyAccess(Element element) { | 85 js.PropertyAccess globalPropertyAccess(Element element) { |
| 86 String name = namer.getNameX(element); | 86 String name = namer.getNameX(element); |
| 87 js.PropertyAccess pa = new js.PropertyAccess.field( | 87 js.PropertyAccess pa = new js.PropertyAccess.field( |
| 88 new js.VariableUse(namer.globalObjectFor(element)), | 88 new js.VariableUse(namer.globalObjectFor(element)), |
| 89 name); | 89 name); |
| 90 return pa; | 90 return pa; |
| 91 } | 91 } |
| 92 | 92 |
| 93 js.PropertyAccess staticFieldAccess(Element element) { | 93 js.PropertyAccess staticFieldAccess(Element element) { |
| 94 return globalPropertyAccess(element); | 94 return globalPropertyAccess(element); |
| 95 } | 95 } |
| 96 | 96 |
| 97 js.PropertyAccess staticFunctionAccess(Element element) { | 97 js.PropertyAccess staticFunctionAccess(Element element) { |
| 98 return globalPropertyAccess(element); | 98 return globalPropertyAccess(element); |
| 99 } | 99 } |
| 100 | 100 |
| 101 js.PropertyAccess classAccess(Element element) { | 101 js.PropertyAccess classAccess(Element element) { |
| 102 return globalPropertyAccess(element); | 102 return globalPropertyAccess(element); |
| 103 } | 103 } |
| 104 | 104 |
| 105 js.PropertyAccess typedefAccess(Element element) { | 105 js.PropertyAccess typedefAccess(Element element) { |
| 106 return globalPropertyAccess(element); | 106 return globalPropertyAccess(element); |
| 107 } | 107 } |
| 108 | 108 |
| 109 void invalidateCaches() {} | 109 void invalidateCaches() {} |
| 110 } | 110 } |
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