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Bug 1318017: Call GetPrototypeFromConstructor for generator/async function and Intl constructors

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[Depends on] Bug 755821: Function() should use the parser's argument
parsing code
This commit is contained in:
janekptacijarabaci 2018-03-16 09:04:55 +01:00 • committed by Roy Tam
commit e7fdd26fde
11 changed files with 586 additions and 53 deletions
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19
js/src/vm/AsyncFunction.cpp
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@ -107,18 +107,15 @@ WrappedAsyncFunction(JSContext* cx, unsigned argc, Value* vp)
// the async function's body, replacing `await` with `yield`. `wrapped` is a
// function that is visible to the outside, and handles yielded values.
JSObject*
js::WrapAsyncFunction(JSContext* cx, HandleFunction unwrapped)
js::WrapAsyncFunctionWithProto(JSContext* cx, HandleFunction unwrapped, HandleObject proto)
{
MOZ_ASSERT(unwrapped->isStarGenerator());
MOZ_ASSERT(proto, "We need an explicit prototype to avoid the default"
"%FunctionPrototype% fallback in NewFunctionWithProto().");
// Create a new function with AsyncFunctionPrototype, reusing the name and
// the length of `unwrapped`.
// Step 1.
RootedObject proto(cx, GlobalObject::getOrCreateAsyncFunctionPrototype(cx, cx->global()));
if (!proto)
return nullptr;
RootedAtom funName(cx, unwrapped->name());
uint16_t length;
if (!unwrapped->getLength(cx, &length))
@ -141,6 +138,16 @@ js::WrapAsyncFunction(JSContext* cx, HandleFunction unwrapped)
return wrapped;
}
JSObject*
js::WrapAsyncFunction(JSContext* cx, HandleFunction unwrapped)
{
RootedObject proto(cx, GlobalObject::getOrCreateAsyncFunctionPrototype(cx, cx->global()));
if (!proto)
return nullptr;
return WrapAsyncFunctionWithProto(cx, unwrapped, proto);
}
enum class ResumeKind {
Normal,
Throw