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LibJS: Make intrinsics getters return NonnullGCPtr

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Some of these are allocated upon initialization of the intrinsics, and
some lazily, but in neither case the getters actually return a nullptr.

This saves us a whole bunch of pointer dereferences (as NonnullGCPtr has
an `operator T&()`), and also has the interesting side effect of forcing
us to explicitly use the FunctionObject& overload of call(), as passing
a NonnullGCPtr is ambigous - it could implicitly be turned into a Value
_or_ a FunctionObject& (so we have to dereference manually).
This commit is contained in:
Linus Groh 2023-04-13 00:47:15 +02:00
parent ed9e2366da
commit b84f8fb55b
182 changed files with 564 additions and 567 deletions
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4
Userland/Libraries/LibJS/Runtime/Promise.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -44,7 +44,7 @@ ThrowCompletionOr<Object*> promise_resolve(VM& vm, Object& constructor, Value va
NonnullGCPtr<Promise> Promise::create(Realm& realm)
{
return realm.heap().allocate<Promise>(realm, *realm.intrinsics().promise_prototype()).release_allocated_value_but_fixme_should_propagate_errors();
return realm.heap().allocate<Promise>(realm, realm.intrinsics().promise_prototype()).release_allocated_value_but_fixme_should_propagate_errors();
}
// 27.2 Promise Objects, https://tc39.es/ecma262/#sec-promise-objects