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LibJS: Implement most of the Reflect object

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This commit is contained in:
Linus Groh 2020-05-01 11:06:27 +01:00 • committed by Andreas Kling
parent 1ba2e6768d
commit 79b829637e
22 changed files with 877 additions and 54 deletions
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24
Libraries/LibJS/Interpreter.cpp
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@ -208,6 +208,30 @@ Value Interpreter::call(Function& function, Value this_value, Optional<MarkedVal
return result;
}
Value Interpreter::construct(Function& function, Function& new_target, Optional<MarkedValueList> arguments)
{
auto& call_frame = push_call_frame();
call_frame.function_name = function.name();
if (arguments.has_value())
call_frame.arguments = arguments.value().values();
call_frame.environment = function.create_environment();
auto* new_object = Object::create_empty(*this, global_object());
auto prototype = new_target.get("prototype");
if (prototype.is_object())
new_object->set_prototype(&prototype.as_object());
call_frame.this_value = new_object;
auto result = function.construct(*this);
pop_call_frame();
if (exception())
return {};
if (result.is_object())
return result;
return new_object;
}
Value Interpreter::throw_exception(Exception* exception)
{
if (exception->value().is_object() && exception->value().as_object().is_error()) {