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LibJS: Make intrinsics getters return NonnullGCPtr

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

View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022-2023, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -22,7 +22,7 @@ JS::NonnullGCPtr<Promise> create_promise(JS::Realm& realm)
auto& vm = realm.vm();
// 1. Let constructor be realm.[[Intrinsics]].[[%Promise%]].
auto* constructor = realm.intrinsics().promise_constructor();
auto constructor = realm.intrinsics().promise_constructor();
// Return ? NewPromiseCapability(constructor).
// NOTE: When called with %Promise%, NewPromiseCapability can't throw.
@ -37,7 +37,7 @@ JS::NonnullGCPtr<Promise> create_resolved_promise(JS::Realm& realm, JS::Value va
// 1. Let value be the result of converting x to an ECMAScript value.
// 2. Let constructor be realm.[[Intrinsics]].[[%Promise%]].
auto* constructor = realm.intrinsics().promise_constructor();
auto constructor = realm.intrinsics().promise_constructor();
// 3. Let promiseCapability be ? NewPromiseCapability(constructor).
// NOTE: When called with %Promise%, NewPromiseCapability can't throw.
@ -56,7 +56,7 @@ JS::NonnullGCPtr<Promise> create_rejected_promise(JS::Realm& realm, JS::Value re
auto& vm = realm.vm();
// 1. Let constructor be realm.[[Intrinsics]].[[%Promise%]].
auto* constructor = realm.intrinsics().promise_constructor();
auto constructor = realm.intrinsics().promise_constructor();
// 2. Let promiseCapability be ? NewPromiseCapability(constructor).
// NOTE: When called with %Promise%, NewPromiseCapability can't throw.
@ -132,7 +132,7 @@ JS::NonnullGCPtr<JS::Promise> react_to_promise(Promise const& promise, Optional<
auto on_rejected = JS::NativeFunction::create(realm, move(on_rejected_steps), 1, "");
// 5. Let constructor be promise.[[Promise]].[[Realm]].[[Intrinsics]].[[%Promise%]].
auto* constructor = realm.intrinsics().promise_constructor();
auto constructor = realm.intrinsics().promise_constructor();
// 6. Let newCapability be ? NewPromiseCapability(constructor).
// NOTE: When called with %Promise%, NewPromiseCapability can't throw.