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LibJS: Initial class implementation; allow super expressions in object

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literal methods; add EnvrionmentRecord fields and methods to
LexicalEnvironment

Adding EnvrionmentRecord's fields and methods lets us throw an exception
when |this| is not initialized, which occurs when the super constructor
in a derived class has not yet been called, or when |this| has already
been initialized (the super constructor was already called).
This commit is contained in:
Jack Karamanian 2020-06-08 13:31:21 -05:00 • committed by Andreas Kling
commit 7533fd8b02
Notes: sideshowbarker 2024-07-19 05:19:30 +09:00
18 changed files with 967 additions and 92 deletions
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2
Libraries/LibJS/Runtime/Object.cpp
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@ -437,7 +437,7 @@ bool Object::define_accessor(PropertyName property_name, Function& getter_or_set
accessor = &existing_property.as_accessor();
}
if (!accessor) {
accessor = Accessor::create(interpreter(), nullptr, nullptr);
accessor = Accessor::create(interpreter(), global_object(), nullptr, nullptr);
bool definition_success = define_property(property_name, accessor, attributes, throw_exceptions);
if (interpreter().exception())
return {};