diff options
Diffstat (limited to 'js/src/vm')
| -rw-r--r-- | js/src/vm/SelfHosting.cpp | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/js/src/vm/SelfHosting.cpp b/js/src/vm/SelfHosting.cpp index 653807ce8..08670c833 100644 --- a/js/src/vm/SelfHosting.cpp +++ b/js/src/vm/SelfHosting.cpp @@ -189,6 +189,22 @@ intrinsic_IsInstanceOfBuiltin(JSContext* cx, unsigned argc, Value* vp) return true; } +template<typename T> +static bool +intrinsic_GuardToBuiltin(JSContext* cx, unsigned argc, Value* vp) +{ + CallArgs args = CallArgsFromVp(argc, vp); + MOZ_ASSERT(args.length() == 1); + MOZ_ASSERT(args[0].isObject()); + + if (args[0].toObject().is<T>()) { + args.rval().setObject(args[0].toObject()); + return true; + } + args.rval().setNull(); + return true; +} + /** * Self-hosting intrinsic returning the original constructor for a builtin * the name of which is the first and only argument. @@ -2297,18 +2313,18 @@ static const JSFunctionSpec intrinsic_functions[] = { JS_FN("_SetCanonicalName", intrinsic_SetCanonicalName, 2,0), - JS_INLINABLE_FN("IsArrayIterator", - intrinsic_IsInstanceOfBuiltin<ArrayIteratorObject>, 1,0, - IntrinsicIsArrayIterator), - JS_INLINABLE_FN("IsMapIterator", - intrinsic_IsInstanceOfBuiltin<MapIteratorObject>, 1,0, - IntrinsicIsMapIterator), - JS_INLINABLE_FN("IsSetIterator", - intrinsic_IsInstanceOfBuiltin<SetIteratorObject>, 1,0, - IntrinsicIsSetIterator), - JS_INLINABLE_FN("IsStringIterator", - intrinsic_IsInstanceOfBuiltin<StringIteratorObject>, 1,0, - IntrinsicIsStringIterator), + JS_INLINABLE_FN("GuardToArrayIterator", + intrinsic_GuardToBuiltin<ArrayIteratorObject>, 1,0, + IntrinsicGuardToArrayIterator), + JS_INLINABLE_FN("GuardToMapIterator", + intrinsic_GuardToBuiltin<MapIteratorObject>, 1,0, + IntrinsicGuardToMapIterator), + JS_INLINABLE_FN("GuardToSetIterator", + intrinsic_GuardToBuiltin<SetIteratorObject>, 1,0, + IntrinsicGuardToSetIterator), + JS_INLINABLE_FN("GuardToStringIterator", + intrinsic_GuardToBuiltin<StringIteratorObject>, 1,0, + IntrinsicGuardToStringIterator), JS_INLINABLE_FN("IsListIterator", intrinsic_IsInstanceOfBuiltin<ListIteratorObject>, 1,0, IntrinsicIsListIterator), @@ -2412,7 +2428,12 @@ static const JSFunctionSpec intrinsic_functions[] = { JS_FN("CallStarGeneratorMethodIfWrapped", CallNonGenericSelfhostedMethod<Is<StarGeneratorObject>>, 2, 0), + JS_INLINABLE_FN("GuardToMapObject", intrinsic_GuardToBuiltin<MapObject>, 1, 0, + IntrinsicGuardToMapObject), JS_FN("IsWeakSet", intrinsic_IsInstanceOfBuiltin<WeakSetObject>, 1,0), + + JS_INLINABLE_FN("GuardToSetObject", intrinsic_GuardToBuiltin<SetObject>, 1, 0, + IntrinsicGuardToSetObject), JS_FN("CallWeakSetMethodIfWrapped", CallNonGenericSelfhostedMethod<Is<WeakSetObject>>, 2, 0), |