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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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73 throw MakeTypeError(kGeneratorRunning); | 73 throw MakeTypeError(kGeneratorRunning); |
74 } | 74 } |
75 } | 75 } |
76 | 76 |
77 | 77 |
78 function GeneratorFunctionConstructor(arg1) { // length == 1 | 78 function GeneratorFunctionConstructor(arg1) { // length == 1 |
79 var source = NewFunctionString(arguments, 'function*'); | 79 var source = NewFunctionString(arguments, 'function*'); |
80 var global_proxy = %GlobalProxy(GeneratorFunctionConstructor); | 80 var global_proxy = %GlobalProxy(GeneratorFunctionConstructor); |
81 // Compile the string in the constructor and not a helper so that errors | 81 // Compile the string in the constructor and not a helper so that errors |
82 // appear to come from here. | 82 // appear to come from here. |
83 var f = %CompileString(source, true); | 83 var f = %_CallFunction(global_proxy, %CompileString(source, true)); |
84 if (!IS_FUNCTION(f)) return f; | |
85 f = %_CallFunction(global_proxy, f); | |
86 %FunctionMarkNameShouldPrintAsAnonymous(f); | 84 %FunctionMarkNameShouldPrintAsAnonymous(f); |
87 return f; | 85 return f; |
88 } | 86 } |
89 | 87 |
90 // ---------------------------------------------------------------------------- | 88 // ---------------------------------------------------------------------------- |
91 | 89 |
92 // Both Runtime_GeneratorNext and Runtime_GeneratorThrow are supported by | 90 // Both Runtime_GeneratorNext and Runtime_GeneratorThrow are supported by |
93 // neither Crankshaft nor TurboFan, disable optimization of wrappers here. | 91 // neither Crankshaft nor TurboFan, disable optimization of wrappers here. |
94 %NeverOptimizeFunction(GeneratorObjectNext); | 92 %NeverOptimizeFunction(GeneratorObjectNext); |
95 %NeverOptimizeFunction(GeneratorObjectThrow); | 93 %NeverOptimizeFunction(GeneratorObjectThrow); |
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107 toStringTagSymbol, "Generator", DONT_ENUM | READ_ONLY); | 105 toStringTagSymbol, "Generator", DONT_ENUM | READ_ONLY); |
108 %InternalSetPrototype(GeneratorFunctionPrototype, GlobalFunction.prototype); | 106 %InternalSetPrototype(GeneratorFunctionPrototype, GlobalFunction.prototype); |
109 %AddNamedProperty(GeneratorFunctionPrototype, | 107 %AddNamedProperty(GeneratorFunctionPrototype, |
110 toStringTagSymbol, "GeneratorFunction", DONT_ENUM | READ_ONLY); | 108 toStringTagSymbol, "GeneratorFunction", DONT_ENUM | READ_ONLY); |
111 %AddNamedProperty(GeneratorFunctionPrototype, "constructor", | 109 %AddNamedProperty(GeneratorFunctionPrototype, "constructor", |
112 GeneratorFunction, DONT_ENUM | READ_ONLY); | 110 GeneratorFunction, DONT_ENUM | READ_ONLY); |
113 %InternalSetPrototype(GeneratorFunction, GlobalFunction); | 111 %InternalSetPrototype(GeneratorFunction, GlobalFunction); |
114 %SetCode(GeneratorFunction, GeneratorFunctionConstructor); | 112 %SetCode(GeneratorFunction, GeneratorFunctionConstructor); |
115 | 113 |
116 }) | 114 }) |
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