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LibJS: Add getters for %{Async,}GeneratorFunction.prototype.prototype%

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These exist as {Async,}GeneratorPrototype of course, but the spec
doesn't always refer to them by the direct name.
This commit is contained in:
Linus Groh 2022-05-05 08:49:46 +02:00
parent 0c65624a32
commit dd547c3374
2 changed files with 6 additions and 1 deletions
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2
Userland/Libraries/LibJS/Runtime/FunctionConstructor.cpp
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@ -243,7 +243,7 @@ ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic
// 33. If kind is generator, then
if (kind == FunctionKind::Generator) {
// a. Let prototype be OrdinaryObjectCreate(%GeneratorFunction.prototype.prototype%).
prototype = Object::create(global_object, global_object.generator_prototype());
prototype = Object::create(global_object, global_object.generator_function_prototype_prototype());
// b. Perform ! DefinePropertyOrThrow(F, "prototype", PropertyDescriptor { [[Value]]: prototype, [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false }).
function->define_direct_property(vm.names.prototype, prototype, Attribute::Writable);

5
Userland/Libraries/LibJS/Runtime/GlobalObject.h
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@ -40,6 +40,11 @@ public:
Object* async_generator_prototype() { return m_async_generator_prototype; }
Object* generator_prototype() { return m_generator_prototype; }
// Alias for the AsyncGenerator Prototype Object used by the spec (%AsyncGeneratorFunction.prototype.prototype%)
Object* async_generator_function_prototype_prototype() { return m_async_generator_prototype; }
// Alias for the Generator Prototype Object used by the spec (%GeneratorFunction.prototype.prototype%)
Object* generator_function_prototype_prototype() { return m_generator_prototype; }
// Not included in JS_ENUMERATE_INTL_OBJECTS due to missing distinct constructor
Object* intl_segments_prototype() { return m_intl_segments_prototype; }