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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() { | 5 (function() { |
6 | 6 |
7 "use strict"; | 7 "use strict"; |
8 | 8 |
9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
10 | 10 |
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65 } | 65 } |
66 } | 66 } |
67 | 67 |
68 | 68 |
69 function GeneratorObjectIterator() { | 69 function GeneratorObjectIterator() { |
70 return this; | 70 return this; |
71 } | 71 } |
72 | 72 |
73 | 73 |
74 function GeneratorFunctionConstructor(arg1) { // length == 1 | 74 function GeneratorFunctionConstructor(arg1) { // length == 1 |
75 var source = NewFunctionString(arguments, 'function*'); | 75 var source = $newFunctionString(arguments, 'function*'); |
76 var global_proxy = %GlobalProxy(global); | 76 var global_proxy = %GlobalProxy(global); |
77 // Compile the string in the constructor and not a helper so that errors | 77 // Compile the string in the constructor and not a helper so that errors |
78 // appear to come from here. | 78 // appear to come from here. |
79 var f = %_CallFunction(global_proxy, %CompileString(source, true)); | 79 var f = %_CallFunction(global_proxy, %CompileString(source, true)); |
80 %FunctionMarkNameShouldPrintAsAnonymous(f); | 80 %FunctionMarkNameShouldPrintAsAnonymous(f); |
81 return f; | 81 return f; |
82 } | 82 } |
83 | 83 |
84 // ---------------------------------------------------------------------------- | 84 // ---------------------------------------------------------------------------- |
85 | 85 |
86 // Both Runtime_GeneratorNext and Runtime_GeneratorThrow are supported by | 86 // Both Runtime_GeneratorNext and Runtime_GeneratorThrow are supported by |
87 // neither Crankshaft nor TurboFan, disable optimization of wrappers here. | 87 // neither Crankshaft nor TurboFan, disable optimization of wrappers here. |
88 %NeverOptimizeFunction(GeneratorObjectNext); | 88 %NeverOptimizeFunction(GeneratorObjectNext); |
89 %NeverOptimizeFunction(GeneratorObjectThrow); | 89 %NeverOptimizeFunction(GeneratorObjectThrow); |
90 | 90 |
91 // Set up non-enumerable functions on the generator prototype object. | 91 // Set up non-enumerable functions on the generator prototype object. |
92 var GeneratorObjectPrototype = GeneratorFunctionPrototype.prototype; | 92 var GeneratorObjectPrototype = GeneratorFunctionPrototype.prototype; |
93 InstallFunctions(GeneratorObjectPrototype, | 93 $installFunctions(GeneratorObjectPrototype, |
94 DONT_ENUM, | 94 DONT_ENUM, |
95 ["next", GeneratorObjectNext, | 95 ["next", GeneratorObjectNext, |
96 "throw", GeneratorObjectThrow]); | 96 "throw", GeneratorObjectThrow]); |
97 | 97 |
98 SetFunctionName(GeneratorObjectIterator, symbolIterator); | 98 $setFunctionName(GeneratorObjectIterator, symbolIterator); |
99 %AddNamedProperty(GeneratorObjectPrototype, symbolIterator, | 99 %AddNamedProperty(GeneratorObjectPrototype, symbolIterator, |
100 GeneratorObjectIterator, DONT_ENUM | DONT_DELETE | READ_ONLY); | 100 GeneratorObjectIterator, DONT_ENUM | DONT_DELETE | READ_ONLY); |
101 %AddNamedProperty(GeneratorObjectPrototype, "constructor", | 101 %AddNamedProperty(GeneratorObjectPrototype, "constructor", |
102 GeneratorFunctionPrototype, DONT_ENUM | READ_ONLY); | 102 GeneratorFunctionPrototype, DONT_ENUM | READ_ONLY); |
103 %AddNamedProperty(GeneratorObjectPrototype, | 103 %AddNamedProperty(GeneratorObjectPrototype, |
104 symbolToStringTag, "Generator", DONT_ENUM | READ_ONLY); | 104 symbolToStringTag, "Generator", DONT_ENUM | READ_ONLY); |
105 %InternalSetPrototype(GeneratorFunctionPrototype, GlobalFunction.prototype); | 105 %InternalSetPrototype(GeneratorFunctionPrototype, GlobalFunction.prototype); |
106 %AddNamedProperty(GeneratorFunctionPrototype, | 106 %AddNamedProperty(GeneratorFunctionPrototype, |
107 symbolToStringTag, "GeneratorFunction", DONT_ENUM | READ_ONLY); | 107 symbolToStringTag, "GeneratorFunction", DONT_ENUM | READ_ONLY); |
108 %AddNamedProperty(GeneratorFunctionPrototype, "constructor", | 108 %AddNamedProperty(GeneratorFunctionPrototype, "constructor", |
109 GeneratorFunction, DONT_ENUM | READ_ONLY); | 109 GeneratorFunction, DONT_ENUM | READ_ONLY); |
110 %InternalSetPrototype(GeneratorFunction, GlobalFunction); | 110 %InternalSetPrototype(GeneratorFunction, GlobalFunction); |
111 %SetCode(GeneratorFunction, GeneratorFunctionConstructor); | 111 %SetCode(GeneratorFunction, GeneratorFunctionConstructor); |
112 | 112 |
113 })(); | 113 })(); |
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