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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 (function(global, utils) { | 5 (function(global, utils) { |
6 | 6 |
7 "use strict"; | 7 "use strict"; |
8 | 8 |
9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
10 | 10 |
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26 | 26 |
27 function GeneratorObjectNext(value) { | 27 function GeneratorObjectNext(value) { |
28 if (!IS_GENERATOR(this)) { | 28 if (!IS_GENERATOR(this)) { |
29 throw MakeTypeError(kIncompatibleMethodReceiver, | 29 throw MakeTypeError(kIncompatibleMethodReceiver, |
30 '[Generator].prototype.next', this); | 30 '[Generator].prototype.next', this); |
31 } | 31 } |
32 | 32 |
33 var continuation = %GeneratorGetContinuation(this); | 33 var continuation = %GeneratorGetContinuation(this); |
34 if (continuation > 0) { | 34 if (continuation > 0) { |
35 // Generator is suspended. | 35 // Generator is suspended. |
36 if (DEBUG_IS_ACTIVE) %DebugPrepareStepInIfStepping(this); | 36 DEBUG_PREPARE_STEP_IN_IF_STEPPING(this); |
37 try { | 37 try { |
38 return %_GeneratorNext(this, value); | 38 return %_GeneratorNext(this, value); |
39 } catch (e) { | 39 } catch (e) { |
40 %GeneratorClose(this); | 40 %GeneratorClose(this); |
41 throw e; | 41 throw e; |
42 } | 42 } |
43 } else if (continuation == 0) { | 43 } else if (continuation == 0) { |
44 // Generator is already closed. | 44 // Generator is already closed. |
45 return { value: void 0, done: true }; | 45 return { value: void 0, done: true }; |
46 } else { | 46 } else { |
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105 toStringTagSymbol, "Generator", DONT_ENUM | READ_ONLY); | 105 toStringTagSymbol, "Generator", DONT_ENUM | READ_ONLY); |
106 %InternalSetPrototype(GeneratorFunctionPrototype, GlobalFunction.prototype); | 106 %InternalSetPrototype(GeneratorFunctionPrototype, GlobalFunction.prototype); |
107 %AddNamedProperty(GeneratorFunctionPrototype, | 107 %AddNamedProperty(GeneratorFunctionPrototype, |
108 toStringTagSymbol, "GeneratorFunction", DONT_ENUM | READ_ONLY); | 108 toStringTagSymbol, "GeneratorFunction", DONT_ENUM | READ_ONLY); |
109 %AddNamedProperty(GeneratorFunctionPrototype, "constructor", | 109 %AddNamedProperty(GeneratorFunctionPrototype, "constructor", |
110 GeneratorFunction, DONT_ENUM | READ_ONLY); | 110 GeneratorFunction, DONT_ENUM | READ_ONLY); |
111 %InternalSetPrototype(GeneratorFunction, GlobalFunction); | 111 %InternalSetPrototype(GeneratorFunction, GlobalFunction); |
112 %SetCode(GeneratorFunction, GeneratorFunctionConstructor); | 112 %SetCode(GeneratorFunction, GeneratorFunctionConstructor); |
113 | 113 |
114 }) | 114 }) |
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