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LibJS: Replace StringOrSymbol::from_value with Value::to_property_key

This is a more specification compliant implementation of the
abstract operation 7.1.19 ToPropertyKey which should handle boxed
symbols correctly.
This commit is contained in:
Idan Horowitz 2021-06-05 15:22:11 +03:00 committed by Linus Groh
parent e72e621d89
commit eb0b1c432a
8 changed files with 29 additions and 29 deletions

View file

@ -543,6 +543,16 @@ double Value::to_double(GlobalObject& global_object) const
return number.as_double();
}
StringOrSymbol Value::to_property_key(GlobalObject& global_object) const
{
auto key = to_primitive(global_object, PreferredType::String);
if (global_object.vm().exception())
return {};
if (key.is_symbol())
return &key.as_symbol();
return to_string(global_object);
}
i32 Value::to_i32_slow_case(GlobalObject& global_object) const
{
VERIFY(type() != Type::Int32);
@ -1008,10 +1018,10 @@ Value in(GlobalObject& global_object, Value lhs, Value rhs)
global_object.vm().throw_exception<TypeError>(global_object, ErrorType::InOperatorWithObject);
return {};
}
auto lhs_string_or_symbol = StringOrSymbol::from_value(global_object, lhs);
auto lhs_property_key = lhs.to_property_key(global_object);
if (global_object.vm().exception())
return {};
return Value(rhs.as_object().has_property(lhs_string_or_symbol));
return Value(rhs.as_object().has_property(lhs_property_key));
}
Value instance_of(GlobalObject& global_object, Value lhs, Value rhs)