eeb4c1eec9
The specification dicatates that each built-in will have a length and name property. (defined in that order)
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/String.h>
|
|
#include <LibJS/Runtime/BigInt.h>
|
|
#include <LibJS/Runtime/BigIntConstructor.h>
|
|
#include <LibJS/Runtime/BigIntObject.h>
|
|
#include <LibJS/Runtime/Error.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
#include <LibJS/Runtime/VM.h>
|
|
|
|
namespace JS {
|
|
|
|
BigIntConstructor::BigIntConstructor(GlobalObject& global_object)
|
|
: NativeFunction(vm().names.BigInt.as_string(), *global_object.function_prototype())
|
|
{
|
|
}
|
|
|
|
void BigIntConstructor::initialize(GlobalObject& global_object)
|
|
{
|
|
auto& vm = this->vm();
|
|
NativeFunction::initialize(global_object);
|
|
|
|
// 21.2.2.3 BigInt.prototype, https://tc39.es/ecma262/#sec-bigint.prototype
|
|
define_direct_property(vm.names.prototype, global_object.bigint_prototype(), 0);
|
|
|
|
// TODO: Implement these functions below and uncomment this.
|
|
// u8 attr = Attribute::Writable | Attribute::Configurable;
|
|
// define_native_function(vm.names.asIntN, as_int_n, 2, attr);
|
|
// define_native_function(vm.names.asUintN, as_uint_n, 2, attr);
|
|
|
|
define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
|
|
}
|
|
|
|
BigIntConstructor::~BigIntConstructor()
|
|
{
|
|
}
|
|
|
|
// 21.2.1.1 BigInt ( value ), https://tc39.es/ecma262/#sec-bigint-constructor-number-value
|
|
Value BigIntConstructor::call()
|
|
{
|
|
auto& vm = this->vm();
|
|
auto& global_object = this->global_object();
|
|
|
|
auto value = vm.argument(0);
|
|
|
|
// 2. Let prim be ? ToPrimitive(value, number).
|
|
auto primitive = value.to_primitive(global_object, Value::PreferredType::Number);
|
|
if (vm.exception())
|
|
return {};
|
|
|
|
// 3. If Type(prim) is Number, return ? NumberToBigInt(prim).
|
|
if (primitive.is_number())
|
|
return number_to_bigint(global_object, primitive);
|
|
|
|
// 4. Otherwise, return ? ToBigInt(value).
|
|
return value.to_bigint(global_object);
|
|
}
|
|
|
|
// 21.2.1.1 BigInt ( value ), https://tc39.es/ecma262/#sec-bigint-constructor-number-value
|
|
Value BigIntConstructor::construct(FunctionObject&)
|
|
{
|
|
vm().throw_exception<TypeError>(global_object(), ErrorType::NotAConstructor, "BigInt");
|
|
return {};
|
|
}
|
|
|
|
// 21.2.2.1 BigInt.asIntN ( bits, bigint ), https://tc39.es/ecma262/#sec-bigint.asintn
|
|
JS_DEFINE_NATIVE_FUNCTION(BigIntConstructor::as_int_n)
|
|
{
|
|
TODO();
|
|
}
|
|
|
|
// 21.2.2.2 BigInt.asUintN ( bits, bigint ), https://tc39.es/ecma262/#sec-bigint.asuintn
|
|
JS_DEFINE_NATIVE_FUNCTION(BigIntConstructor::as_uint_n)
|
|
{
|
|
TODO();
|
|
}
|
|
|
|
}
|