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LibJS: Get the prototype of a new String from the constructor's realm

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Idan Horowitz 2021-06-30 18:13:51 +03:00 • committed by Linus Groh
parent 5606332ed7
commit c254e4cf10
4 changed files with 16 additions and 10 deletions
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17
Userland/Libraries/LibJS/Runtime/StringConstructor.cpp
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@ -54,16 +54,21 @@ Value StringConstructor::call()
}
// 22.1.1.1 String ( value ), https://tc39.es/ecma262/#sec-string-constructor-string-value
Value StringConstructor::construct(FunctionObject&)
Value StringConstructor::construct(FunctionObject& new_target)
{
PrimitiveString* primitive_string = nullptr;
if (!vm().argument_count())
primitive_string = js_string(vm(), "");
auto& vm = global_object().vm();
PrimitiveString* primitive_string;
if (!vm.argument_count())
primitive_string = js_string(vm, "");
else
primitive_string = vm().argument(0).to_primitive_string(global_object());
primitive_string = vm.argument(0).to_primitive_string(global_object());
if (!primitive_string)
return {};
return StringObject::create(global_object(), *primitive_string);
auto* prototype = get_prototype_from_constructor(global_object(), new_target, &GlobalObject::string_prototype);
if (vm.exception())
return {};
return StringObject::create(global_object(), *primitive_string, *prototype);
}
// 22.1.2.4 String.raw ( template, ...substitutions ), https://tc39.es/ecma262/#sec-string.raw

5
Userland/Libraries/LibJS/Runtime/StringObject.cpp
View file

@ -11,9 +11,10 @@
namespace JS {
StringObject* StringObject::create(GlobalObject& global_object, PrimitiveString& primitive_string)
// 10.4.3.4 StringCreate ( value, prototype ), https://tc39.es/ecma262/#sec-stringcreate
StringObject* StringObject::create(GlobalObject& global_object, PrimitiveString& primitive_string, Object& prototype)
{
return global_object.heap().allocate<StringObject>(global_object, primitive_string, *global_object.string_prototype());
return global_object.heap().allocate<StringObject>(global_object, primitive_string, prototype);
}
StringObject::StringObject(PrimitiveString& string, Object& prototype)

2
Userland/Libraries/LibJS/Runtime/StringObject.h
View file

@ -14,7 +14,7 @@ class StringObject : public Object {
JS_OBJECT(StringObject, Object);
public:
static StringObject* create(GlobalObject&, PrimitiveString&);
static StringObject* create(GlobalObject&, PrimitiveString&, Object& prototype);
StringObject(PrimitiveString&, Object& prototype);
virtual void initialize(GlobalObject&) override;

2
Userland/Libraries/LibJS/Runtime/Value.cpp
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@ -449,7 +449,7 @@ Object* Value::to_object(GlobalObject& global_object) const
case Type::Double:
return NumberObject::create(global_object, as_double());
case Type::String:
return StringObject::create(global_object, *m_value.as_string);
return StringObject::create(global_object, *m_value.as_string, *global_object.string_prototype());
case Type::Symbol:
return SymbolObject::create(global_object, *m_value.as_symbol);
case Type::BigInt: