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/*
* Copyright (C) 2017 Caio Lima <ticaiolima@gmail.com>
* Copyright (C) 2017-2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "BigIntConstructor.h"
#include "BigIntPrototype.h"
#include "JSBigInt.h"
#include "JSCInlines.h"
#include "ParseInt.h"
namespace JSC {
static JSC_DECLARE_HOST_FUNCTION(bigIntConstructorFuncAsUintN);
static JSC_DECLARE_HOST_FUNCTION(bigIntConstructorFuncAsIntN);
} // namespace JSC
#include "BigIntConstructor.lut.h"
namespace JSC {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(BigIntConstructor);
const ClassInfo BigIntConstructor::s_info = { "Function", &Base::s_info, &bigIntConstructorTable, nullptr, CREATE_METHOD_TABLE(BigIntConstructor) };
/* Source for BigIntConstructor.lut.h
@begin bigIntConstructorTable
asUintN bigIntConstructorFuncAsUintN DontEnum|Function 2
asIntN bigIntConstructorFuncAsIntN DontEnum|Function 2
@end
*/
static JSC_DECLARE_HOST_FUNCTION(callBigIntConstructor);
static JSC_DECLARE_HOST_FUNCTION(constructBigIntConstructor);
BigIntConstructor::BigIntConstructor(VM& vm, Structure* structure)
: InternalFunction(vm, structure, callBigIntConstructor, constructBigIntConstructor)
{
}
void BigIntConstructor::finishCreation(VM& vm, BigIntPrototype* bigIntPrototype)
{
Base::finishCreation(vm, 1, "BigInt"_s, PropertyAdditionMode::WithoutStructureTransition);
ASSERT(inherits(vm, info()));
putDirectWithoutTransition(vm, vm.propertyNames->prototype, bigIntPrototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
}
// ------------------------------ Functions ---------------------------
JSC_DEFINE_HOST_FUNCTION(callBigIntConstructor, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue value = callFrame->argument(0);
JSValue primitive = value.toPrimitive(globalObject, PreferNumber);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
if (primitive.isInt32()) {
#if USE(BIGINT32)
return JSValue::encode(jsBigInt32(primitive.asInt32()));
#else
RELEASE_AND_RETURN(scope, JSValue::encode(JSBigInt::createFrom(globalObject, primitive.asInt32())));
#endif
}
if (primitive.isDouble()) {
double number = primitive.asDouble();
if (!isInteger(number))
return throwVMError(globalObject, scope, createRangeError(globalObject, "Not an integer"_s));
RELEASE_AND_RETURN(scope, JSValue::encode(JSBigInt::makeHeapBigIntOrBigInt32(globalObject, primitive.asDouble())));
}
RELEASE_AND_RETURN(scope, JSValue::encode(primitive.toBigInt(globalObject)));
}
JSC_DEFINE_HOST_FUNCTION(constructBigIntConstructor, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
return throwVMError(globalObject, scope, createNotAConstructorError(globalObject, callFrame->jsCallee()));
}
JSC_DEFINE_HOST_FUNCTION(bigIntConstructorFuncAsUintN, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto numberOfBits = callFrame->argument(0).toIndex(globalObject, "number of bits");
RETURN_IF_EXCEPTION(scope, { });
JSValue bigInt = callFrame->argument(1).toBigInt(globalObject);
RETURN_IF_EXCEPTION(scope, { });
#if USE(BIGINT32)
if (bigInt.isBigInt32())
RELEASE_AND_RETURN(scope, JSValue::encode(JSBigInt::asUintN(globalObject, numberOfBits, bigInt.bigInt32AsInt32())));
#endif
ASSERT(bigInt.isHeapBigInt());
RELEASE_AND_RETURN(scope, JSValue::encode(JSBigInt::asUintN(globalObject, numberOfBits, bigInt.asHeapBigInt())));
}
JSC_DEFINE_HOST_FUNCTION(bigIntConstructorFuncAsIntN, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto numberOfBits = callFrame->argument(0).toIndex(globalObject, "number of bits");
RETURN_IF_EXCEPTION(scope, { });
JSValue bigInt = callFrame->argument(1).toBigInt(globalObject);
RETURN_IF_EXCEPTION(scope, { });
#if USE(BIGINT32)
if (bigInt.isBigInt32())
RELEASE_AND_RETURN(scope, JSValue::encode(JSBigInt::asIntN(globalObject, numberOfBits, bigInt.bigInt32AsInt32())));
#endif
ASSERT(bigInt.isHeapBigInt());
RELEASE_AND_RETURN(scope, JSValue::encode(JSBigInt::asIntN(globalObject, numberOfBits, bigInt.asHeapBigInt())));
}
} // namespace JSC