tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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default-proto.js (1170B)

      1 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-generator-function-definitions-runtime-semantics-evaluatebody
      5 es6id: 14.4.11
      6 description: Intrinsic default prototype of GeneratorFunctions
      7 info: |
      8    1. Let G be ? OrdinaryCreateFromConstructor(functionObject,
      9       "%GeneratorPrototype%", « [[GeneratorState]], [[GeneratorContext]] »).
     10    [...]
     11 
     12    9.1.13 OrdinaryCreateFromConstructor
     13 
     14    [...]
     15    2. Let proto be ? GetPrototypeFromConstructor(constructor,
     16       intrinsicDefaultProto).
     17    3. Return ObjectCreate(proto, internalSlotsList).
     18 
     19    9.1.14 GetPrototypeFromConstructor
     20 
     21    [...]
     22    3. Let proto be ? Get(constructor, "prototype").
     23    4. If Type(proto) is not Object, then
     24       a. Let realm be ? GetFunctionRealm(constructor).
     25       b. Let proto be realm's intrinsic object named intrinsicDefaultProto.
     26    [...]
     27 features: [generators]
     28 ---*/
     29 
     30 var g = function*() {};
     31 var GeneratorPrototype = Object.getPrototypeOf(g).prototype;
     32 g.prototype = null;
     33 
     34 assert.sameValue(Object.getPrototypeOf(g()), GeneratorPrototype);
     35 
     36 reportCompare(0, 0);