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LibJS: Add some overloads for JS::call() and JS::call_impl()

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Overloads added:
- JS::call for FunctionObject&
- JS::call_impl for FunctionObject&
This commit is contained in:
mjz19910 2022-01-23 02:06:51 -07:00 • committed by Linus Groh
parent cf45370c47
commit d436746c95
2 changed files with 45 additions and 0 deletions
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13
Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
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@ -60,6 +60,19 @@ ThrowCompletionOr<Value> call_impl(GlobalObject& global_object, Value function,
return function.as_function().internal_call(this_value, move(*arguments_list));
}
ThrowCompletionOr<Value> call_impl(GlobalObject& global_object, FunctionObject& function, Value this_value, Optional<MarkedValueList> arguments_list)
{
// 1. If argumentsList is not present, set argumentsList to a new empty List.
if (!arguments_list.has_value())
arguments_list = MarkedValueList { global_object.heap() };
// 2. If IsCallable(F) is false, throw a TypeError exception.
// Note: Called with a FunctionObject ref
// 3. Return ? F.[[Call]](V, argumentsList).
return function.internal_call(this_value, move(*arguments_list));
}
// 7.3.15 Construct ( F [ , argumentsList [ , newTarget ] ] ), https://tc39.es/ecma262/#sec-construct
ThrowCompletionOr<Object*> construct(GlobalObject& global_object, FunctionObject& function, Optional<MarkedValueList> arguments_list, FunctionObject* new_target)
{