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LibJS: Make PromiseCapability GC-allocated

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A struct with three raw pointers to other GC'd types is a pretty big
liability, let's just turn this into a Cell itself.
This comes with the additional benefit of being able to capture it in
a lambda effortlessly, without having to create handles for individual
members.
This commit is contained in:
Linus Groh
2022-10-02 12:11:30 +01:00
parent 0585029c30
commit fc9d587e39
29 changed files with 243 additions and 217 deletions
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10
Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp
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@@ -743,12 +743,12 @@ void async_block_start(VM& vm, NonnullRefPtr<Statement> const& async_body, Promi
// d. If result.[[Type]] is normal, then
if (result.type() == Completion::Type::Normal) {
// i. Perform ! Call(promiseCapability.[[Resolve]], undefined, « undefined »).
MUST(call(vm, promise_capability.resolve, js_undefined(), js_undefined()));
MUST(call(vm, *promise_capability.resolve(), js_undefined(), js_undefined()));
}
// e. Else if result.[[Type]] is return, then
else if (result.type() == Completion::Type::Return) {
// i. Perform ! Call(promiseCapability.[[Resolve]], undefined, « result.[[Value]] »).
MUST(call(vm, promise_capability.resolve, js_undefined(), *result.value()));
MUST(call(vm, *promise_capability.resolve(), js_undefined(), *result.value()));
}
// f. Else,
else {
@@ -756,7 +756,7 @@ void async_block_start(VM& vm, NonnullRefPtr<Statement> const& async_body, Promi
VERIFY(result.type() == Completion::Type::Throw);
// ii. Perform ! Call(promiseCapability.[[Reject]], undefined, « result.[[Value]] »).
MUST(call(vm, promise_capability.reject, js_undefined(), *result.value()));
MUST(call(vm, *promise_capability.reject(), js_undefined(), *result.value()));
}
// g. Return unused.
// NOTE: We don't support returning an empty/optional/unused value here.
@@ -877,7 +877,7 @@ Completion ECMAScriptFunctionObject::ordinary_call_evaluate_body()
// 3. If declResult is an abrupt completion, then
if (declaration_result.is_throw_completion()) {
// a. Perform ! Call(promiseCapability.[[Reject]], undefined, « declResult.[[Value]] »).
MUST(call(vm, promise_capability.reject, js_undefined(), *declaration_result.throw_completion().value()));
MUST(call(vm, *promise_capability->reject(), js_undefined(), *declaration_result.throw_completion().value()));
}
// 4. Else,
else {
@@ -886,7 +886,7 @@ Completion ECMAScriptFunctionObject::ordinary_call_evaluate_body()
}
// 5. Return Completion Record { [[Type]]: return, [[Value]]: promiseCapability.[[Promise]], [[Target]]: empty }.
return Completion { Completion::Type::Return, promise_capability.promise, {} };
return Completion { Completion::Type::Return, promise_capability->promise(), {} };
}
}
VERIFY_NOT_REACHED();