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LibJS: Add spec comments to StringObject

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Linus Groh 2023-04-14 17:06:23 +02:00
parent 9cf1a244f8
commit 16197af60d
1 changed files with 10 additions and 1 deletions
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11
Userland/Libraries/LibJS/Runtime/StringObject.cpp
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -17,6 +17,15 @@ namespace JS {
// 10.4.3.4 StringCreate ( value, prototype ), https://tc39.es/ecma262/#sec-stringcreate
ThrowCompletionOr<NonnullGCPtr<StringObject>> StringObject::create(Realm& realm, PrimitiveString& primitive_string, Object& prototype)
{
// 1. Let S be MakeBasicObject(« [[Prototype]], [[Extensible]], [[StringData]] »).
// 2. Set S.[[Prototype]] to prototype.
// 3. Set S.[[StringData]] to value.
// 4. Set S.[[GetOwnProperty]] as specified in 10.4.3.1.
// 5. Set S.[[DefineOwnProperty]] as specified in 10.4.3.2.
// 6. Set S.[[OwnPropertyKeys]] as specified in 10.4.3.3.
// 7. Let length be the length of value.
// 8. Perform ! DefinePropertyOrThrow(S, "length", PropertyDescriptor { [[Value]]: 𝔽(length), [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }).
// 9. Return S.
return MUST_OR_THROW_OOM(realm.heap().allocate<StringObject>(realm, primitive_string, prototype));
}