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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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58 | 58 |
59 function GeneratorObjectThrow(exn) { | 59 function GeneratorObjectThrow(exn) { |
60 if (!IS_GENERATOR(this)) { | 60 if (!IS_GENERATOR(this)) { |
61 throw MakeTypeError('incompatible_method_receiver', | 61 throw MakeTypeError('incompatible_method_receiver', |
62 ['[Generator].prototype.throw', this]); | 62 ['[Generator].prototype.throw', this]); |
63 } | 63 } |
64 | 64 |
65 return %_GeneratorThrow(this, exn); | 65 return %_GeneratorThrow(this, exn); |
66 } | 66 } |
67 | 67 |
68 function GeneratorFunctionPrototypeConstructor(x) { | |
69 if (%_IsConstructCall()) { | |
70 throw MakeTypeError('not_constructor', ['GeneratorFunctionPrototype']); | |
71 } | |
72 } | |
73 | |
74 function GeneratorFunctionConstructor(arg1) { // length == 1 | |
75 return NewFunction(arguments, 'function*'); | |
76 } | |
77 | |
78 | |
79 function SetUpGenerators() { | 68 function SetUpGenerators() { |
80 %CheckIsBootstrapping(); | 69 %CheckIsBootstrapping(); |
81 var GeneratorObjectPrototype = GeneratorFunctionPrototype.prototype; | 70 var GeneratorObjectPrototype = GeneratorFunctionPrototype.prototype; |
82 InstallFunctions(GeneratorObjectPrototype, | 71 InstallFunctions(GeneratorObjectPrototype, |
83 DONT_ENUM | DONT_DELETE | READ_ONLY, | 72 DONT_ENUM | DONT_DELETE | READ_ONLY, |
84 ["next", GeneratorObjectNext, | 73 ["next", GeneratorObjectNext, |
85 "send", GeneratorObjectSend, | 74 "send", GeneratorObjectSend, |
86 "throw", GeneratorObjectThrow]); | 75 "throw", GeneratorObjectThrow]); |
87 %SetProperty(GeneratorObjectPrototype, "constructor", | 76 %SetProperty(GeneratorObjectPrototype, "constructor", |
88 GeneratorFunctionPrototype, DONT_ENUM | DONT_DELETE | READ_ONLY); | 77 GeneratorFunctionPrototype, DONT_ENUM | DONT_DELETE | READ_ONLY); |
89 %SetPrototype(GeneratorFunctionPrototype, $Function.prototype); | 78 %SetPrototype(GeneratorFunctionPrototype, $Function.prototype); |
90 %SetCode(GeneratorFunctionPrototype, GeneratorFunctionPrototypeConstructor); | |
91 %SetProperty(GeneratorFunctionPrototype, "constructor", | 79 %SetProperty(GeneratorFunctionPrototype, "constructor", |
92 GeneratorFunction, DONT_ENUM | DONT_DELETE | READ_ONLY); | 80 GeneratorFunction, DONT_ENUM | DONT_DELETE | READ_ONLY); |
93 %SetPrototype(GeneratorFunction, $Function); | 81 %SetPrototype(GeneratorFunction, $Function); |
94 %SetCode(GeneratorFunction, GeneratorFunctionConstructor); | |
95 } | 82 } |
96 | 83 |
97 SetUpGenerators(); | 84 SetUpGenerators(); |
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