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LibJS: Convert the NumberToBigInt AO to ThrowCompletionOr

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This commit is contained in:
Idan Horowitz 2021-10-23 03:26:55 +03:00 • committed by Andreas Kling
parent f7bafea661
commit 306c25f3c2
5 changed files with 8 additions and 16 deletions
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8
Userland/Libraries/LibJS/Runtime/BigInt.cpp
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@ -32,16 +32,14 @@ BigInt* js_bigint(VM& vm, Crypto::SignedBigInteger big_integer)
}
// 21.2.1.1.1 NumberToBigInt ( number ), https://tc39.es/ecma262/#sec-numbertobigint
BigInt* number_to_bigint(GlobalObject& global_object, Value number)
ThrowCompletionOr<BigInt*> number_to_bigint(GlobalObject& global_object, Value number)
{
VERIFY(number.is_number());
auto& vm = global_object.vm();
// 1. If IsIntegralNumber(number) is false, throw a RangeError exception.
if (!number.is_integral_number()) {
vm.throw_exception<RangeError>(global_object, ErrorType::BigIntFromNonIntegral);
return {};
}
if (!number.is_integral_number())
return vm.throw_completion<RangeError>(global_object, ErrorType::BigIntFromNonIntegral);
// 2. Return the BigInt value that represents ℝ(number).
return js_bigint(vm, Crypto::SignedBigInteger::create_from((i64)number.as_double()));

2
Userland/Libraries/LibJS/Runtime/BigInt.h
View file

@ -27,6 +27,6 @@ private:
BigInt* js_bigint(Heap&, Crypto::SignedBigInteger);
BigInt* js_bigint(VM&, Crypto::SignedBigInteger);
BigInt* number_to_bigint(GlobalObject&, Value);
ThrowCompletionOr<BigInt*> number_to_bigint(GlobalObject&, Value);
}

2
Userland/Libraries/LibJS/Runtime/BigIntConstructor.cpp
View file

@ -52,7 +52,7 @@ ThrowCompletionOr<Value> BigIntConstructor::call()
// 3. If Type(prim) is Number, return ? NumberToBigInt(prim).
if (primitive.is_number())
return number_to_bigint(global_object, primitive);
return TRY(number_to_bigint(global_object, primitive));
// 4. Otherwise, return ? ToBigInt(value).
return TRY(value.to_bigint(global_object));

4
Userland/Libraries/LibJS/Runtime/DatePrototype.cpp
View file

@ -753,9 +753,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(DatePrototype::to_temporal_instant)
auto t = this_object->value_of();
// 2. Let ns be ? NumberToBigInt(t) × 10^6.
auto* ns = number_to_bigint(global_object, t);
if (vm.exception())
return {};
auto* ns = TRY_OR_DISCARD(number_to_bigint(global_object, t));
ns = js_bigint(vm, ns->big_integer().multiplied_by(Crypto::UnsignedBigInteger { 1'000'000 }));
// 3. Return ! CreateTemporalInstant(ns).

8
Userland/Libraries/LibJS/Runtime/Temporal/InstantConstructor.cpp
View file

@ -87,9 +87,7 @@ JS_DEFINE_NATIVE_FUNCTION(InstantConstructor::from_epoch_seconds)
auto epoch_seconds_value = TRY(vm.argument(0).to_number(global_object));
// 2. Set epochSeconds to ? NumberToBigInt(epochSeconds).
auto* epoch_seconds = number_to_bigint(global_object, epoch_seconds_value);
if (auto* exception = vm.exception())
return throw_completion(exception->value());
auto* epoch_seconds = TRY(number_to_bigint(global_object, epoch_seconds_value));
// 3. Let epochNanoseconds be epochSeconds × 10^9ℤ.
auto* epoch_nanoseconds = js_bigint(vm, epoch_seconds->big_integer().multiplied_by(Crypto::UnsignedBigInteger { 1'000'000'000 }));
@ -109,9 +107,7 @@ JS_DEFINE_NATIVE_FUNCTION(InstantConstructor::from_epoch_milliseconds)
auto epoch_milliseconds_value = TRY(vm.argument(0).to_number(global_object));
// 2. Set epochMilliseconds to ? NumberToBigInt(epochMilliseconds).
auto* epoch_milliseconds = number_to_bigint(global_object, epoch_milliseconds_value);
if (auto* exception = vm.exception())
return throw_completion(exception->value());
auto* epoch_milliseconds = TRY(number_to_bigint(global_object, epoch_milliseconds_value));
// 3. Let epochNanoseconds be epochMilliseconds × 10^6ℤ.
auto* epoch_nanoseconds = js_bigint(vm, epoch_milliseconds->big_integer().multiplied_by(Crypto::UnsignedBigInteger { 1'000'000 }));