diff options
Diffstat (limited to 'js/src/vm/AsyncFunction.cpp')
| -rw-r--r-- | js/src/vm/AsyncFunction.cpp | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/js/src/vm/AsyncFunction.cpp b/js/src/vm/AsyncFunction.cpp index bd0b4f32a..f50c87114 100644 --- a/js/src/vm/AsyncFunction.cpp +++ b/js/src/vm/AsyncFunction.cpp @@ -107,19 +107,16 @@ 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()); + RootedAtom funName(cx, unwrapped->explicitName()); uint16_t length; if (!unwrapped->getLength(cx, &length)) return nullptr; @@ -133,6 +130,9 @@ js::WrapAsyncFunction(JSContext* cx, HandleFunction unwrapped) if (!wrapped) return nullptr; + if (unwrapped->hasCompileTimeName()) + wrapped->setCompileTimeName(unwrapped->compileTimeName()); + // Link them to each other to make GetWrappedAsyncFunction and // GetUnwrappedAsyncFunction work. unwrapped->setExtendedSlot(UNWRAPPED_ASYNC_WRAPPED_SLOT, ObjectValue(*wrapped)); @@ -141,6 +141,16 @@ 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 |