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/*
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibCrypto/BigInt/SignedBigInteger.h>
#include <LibJS/Heap/Heap.h>
#include <LibJS/Runtime/BigInt.h>
#include <LibJS/Runtime/GlobalObject.h>
namespace JS {
BigInt::BigInt(Crypto::SignedBigInteger big_integer)
: m_big_integer(move(big_integer))
{
VERIFY(!m_big_integer.is_invalid());
}
BigInt* js_bigint(Heap& heap, Crypto::SignedBigInteger big_integer)
{
return heap.allocate_without_realm<BigInt>(move(big_integer));
}
BigInt* js_bigint(VM& vm, Crypto::SignedBigInteger big_integer)
{
return js_bigint(vm.heap(), move(big_integer));
}
// 21.2.1.1.1 NumberToBigInt ( number ), https://tc39.es/ecma262/#sec-numbertobigint
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())
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()));
}
}
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