2692db8699
Note that as of this commit, there aren't any such throwers, and the call site in Heap::allocate will drop exceptions on the floor. This commit only serves to change the declaration of the overrides, make sure they return an empty value, and to propagate OOM errors frm their base initialize invocations.
117 lines
6.1 KiB
C++
117 lines
6.1 KiB
C++
/*
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* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/TypeCasts.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Temporal/AbstractOperations.h>
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#include <LibJS/Runtime/Temporal/PlainTime.h>
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#include <LibJS/Runtime/Temporal/PlainTimeConstructor.h>
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namespace JS::Temporal {
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// 4.1 The Temporal.PlainTime Constructor, https://tc39.es/proposal-temporal/#sec-temporal-plaintime-constructor
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PlainTimeConstructor::PlainTimeConstructor(Realm& realm)
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: NativeFunction(realm.vm().names.PlainTime.as_string(), *realm.intrinsics().function_prototype())
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{
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}
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ThrowCompletionOr<void> PlainTimeConstructor::initialize(Realm& realm)
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{
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MUST_OR_THROW_OOM(NativeFunction::initialize(realm));
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auto& vm = this->vm();
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// 4.2.1 Temporal.PlainTime.prototype, https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype
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define_direct_property(vm.names.prototype, realm.intrinsics().temporal_plain_time_prototype(), 0);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(realm, vm.names.from, from, 1, attr);
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define_native_function(realm, vm.names.compare, compare, 2, attr);
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define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
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return {};
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}
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// 4.1.1 Temporal.PlainTime ( [ hour [ , minute [ , second [ , millisecond [ , microsecond [ , nanosecond ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime
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ThrowCompletionOr<Value> PlainTimeConstructor::call()
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{
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auto& vm = this->vm();
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// 1. If NewTarget is undefined, throw a TypeError exception.
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return vm.throw_completion<TypeError>(ErrorType::ConstructorWithoutNew, "Temporal.PlainTime");
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}
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// 4.1.1 Temporal.PlainTime ( [ hour [ , minute [ , second [ , millisecond [ , microsecond [ , nanosecond ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime
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ThrowCompletionOr<NonnullGCPtr<Object>> PlainTimeConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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// 2. Let hour be ? ToIntegerWithTruncation(hour).
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auto hour = TRY(to_integer_with_truncation(vm, vm.argument(0), ErrorType::TemporalInvalidPlainTime));
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// 3. Let minute be ? ToIntegerWithTruncation(hour).
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auto minute = TRY(to_integer_with_truncation(vm, vm.argument(1), ErrorType::TemporalInvalidPlainTime));
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// 4. Let second be ? ToIntegerWithTruncation(hour).
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auto second = TRY(to_integer_with_truncation(vm, vm.argument(2), ErrorType::TemporalInvalidPlainTime));
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// 5. Let millisecond be ? ToIntegerWithTruncation(hour).
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auto millisecond = TRY(to_integer_with_truncation(vm, vm.argument(3), ErrorType::TemporalInvalidPlainTime));
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// 6. Let microsecond be ? ToIntegerWithTruncation(hour).
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auto microsecond = TRY(to_integer_with_truncation(vm, vm.argument(4), ErrorType::TemporalInvalidPlainTime));
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// 7. Let nanosecond be ? ToIntegerWithTruncation(hour).
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auto nanosecond = TRY(to_integer_with_truncation(vm, vm.argument(5), ErrorType::TemporalInvalidPlainTime));
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// IMPLEMENTATION DEFINED: This is an optimization that allows us to treat these doubles as normal integers from this point onwards.
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// This does not change the exposed behavior as the call to CreateTemporalTime will immediately check that these values are valid
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// ISO values (for hours: 0 - 23, for minutes and seconds: 0 - 59, milliseconds, microseconds, and nanoseconds: 0 - 999) all of which
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// are subsets of this check.
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if (!AK::is_within_range<u8>(hour) || !AK::is_within_range<u8>(minute) || !AK::is_within_range<u8>(second) || !AK::is_within_range<u16>(millisecond) || !AK::is_within_range<u16>(microsecond) || !AK::is_within_range<u16>(nanosecond))
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return vm.throw_completion<RangeError>(ErrorType::TemporalInvalidPlainTime);
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// 8. Return ? CreateTemporalTime(hour, minute, second, millisecond, microsecond, nanosecond, NewTarget).
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return *TRY(create_temporal_time(vm, hour, minute, second, millisecond, microsecond, nanosecond, &new_target));
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}
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// 4.2.2 Temporal.PlainTime.from ( item [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.from
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JS_DEFINE_NATIVE_FUNCTION(PlainTimeConstructor::from)
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{
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// 1. Set options to ? GetOptionsObject(options).
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auto* options = TRY(get_options_object(vm, vm.argument(1)));
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// 2. Let overflow be ? ToTemporalOverflow(options).
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auto overflow = TRY(to_temporal_overflow(vm, options));
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auto item = vm.argument(0);
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// 3. If Type(item) is Object and item has an [[InitializedTemporalTime]] internal slot, then
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if (item.is_object() && is<PlainTime>(item.as_object())) {
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auto& plain_time = static_cast<PlainTime&>(item.as_object());
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// a. Return ! CreateTemporalTime(item.[[ISOHour]], item.[[ISOMinute]], item.[[ISOSecond]], item.[[ISOMillisecond]], item.[[ISOMicrosecond]], item.[[ISONanosecond]]).
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return MUST(create_temporal_time(vm, plain_time.iso_hour(), plain_time.iso_minute(), plain_time.iso_second(), plain_time.iso_millisecond(), plain_time.iso_microsecond(), plain_time.iso_nanosecond()));
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}
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// 4. Return ? ToTemporalTime(item, overflow).
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return TRY(to_temporal_time(vm, item, overflow));
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}
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// 4.2.3 Temporal.PlainTime.compare ( one, two ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.compare
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JS_DEFINE_NATIVE_FUNCTION(PlainTimeConstructor::compare)
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{
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// 1. Set one to ? ToTemporalTime(one).
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auto* one = TRY(to_temporal_time(vm, vm.argument(0)));
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// 2. Set two to ? ToTemporalTime(two).
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auto* two = TRY(to_temporal_time(vm, vm.argument(1)));
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// 3. Return 𝔽(! CompareTemporalTime(one.[[ISOHour]], one.[[ISOMinute]], one.[[ISOSecond]], one.[[ISOMillisecond]], one.[[ISOMicrosecond]], one.[[ISONanosecond]], two.[[ISOHour]], two.[[ISOMinute]], two.[[ISOSecond]], two.[[ISOMillisecond]], two.[[ISOMicrosecond]], two.[[ISONanosecond]])).
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return Value(compare_temporal_time(one->iso_hour(), one->iso_minute(), one->iso_second(), one->iso_millisecond(), one->iso_microsecond(), one->iso_nanosecond(), two->iso_hour(), two->iso_minute(), two->iso_second(), two->iso_millisecond(), two->iso_microsecond(), two->iso_nanosecond()));
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}
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}
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