static JSValue setNewValueFromTimeArgs(ExecState* exec, JSValue thisValue, const ArgList& args, int numArgsToUse, bool inputIsUTC)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (args.isEmpty() || isnan(milli)) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
double secs = floor(milli / msPerSecond);
double ms = milli - secs * msPerSecond;
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, inputIsUTC, t);
if (!fillStructuresUsingTimeArgs(exec, args, numArgsToUse, &ms, &t)) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
JSValue result = jsNumber(exec, gregorianDateTimeToMS(t, ms, inputIsUTC));
thisDateObj->setInternalValue(result);
return result;
}
JSValue JSC_HOST_CALL mathProtoFuncPow(ExecState* exec, JSObject*, JSValue, const ArgList& args)
{
// ECMA 15.8.2.1.13
double arg = args.at(0).toNumber(exec);
double arg2 = args.at(1).toNumber(exec);
if (isnan(arg2))
return jsNaN(exec);
if (isinf(arg2) && fabs(arg) == 1)
return jsNaN(exec);
return jsNumber(exec, pow(arg, arg2));
}
EncodedJSValue JSC_HOST_CALL mathProtoFuncPow(ExecState* exec)
{
// ECMA 15.8.2.1.13
double arg = exec->argument(0).toNumber(exec);
double arg2 = exec->argument(1).toNumber(exec);
if (isnan(arg2))
return JSValue::encode(jsNaN());
if (isinf(arg2) && fabs(arg) == 1)
return JSValue::encode(jsNaN());
return JSValue::encode(jsNumber(pow(arg, arg2)));
}
JSValue* stringProtoFuncCharCodeAt(ExecState* exec, JSObject*, JSValue* thisValue, const ArgList& args)
{
UString s = thisValue->toThisString(exec);
unsigned len = s.size();
JSValue* a0 = args.at(exec, 0);
if (JSImmediate::isNumber(a0)) {
uint32_t i;
if (JSImmediate::getUInt32(a0, i) && i < len)
return jsNumber(exec, s.data()[i]);
return jsNaN(exec);
}
double dpos = a0->toInteger(exec);
if (dpos >= 0 && dpos < len)
return jsNumber(exec, s[static_cast<int>(dpos)]);
return jsNaN(exec);
}
static JSValue getDataViewMember(ExecState* exec, DataView* imp, DataViewAccessType type)
{
if (exec->argumentCount() < 1)
return throwError(exec, createNotEnoughArgumentsError(exec));
ExceptionCode ec = 0;
unsigned byteOffset = exec->argument(0).toUInt32(exec);
if (exec->hadException())
return jsUndefined();
bool littleEndian = false;
if (exec->argumentCount() > 1 && (type == AccessDataViewMemberAsFloat32 || type == AccessDataViewMemberAsFloat64)) {
littleEndian = exec->argument(1).toBoolean(exec);
if (exec->hadException())
return jsUndefined();
}
JSC::JSValue result;
switch (type) {
case AccessDataViewMemberAsFloat32:
case AccessDataViewMemberAsFloat64: {
double value = (type == AccessDataViewMemberAsFloat32) ? imp->getFloat32(byteOffset, littleEndian, ec) : imp->getFloat64(byteOffset, littleEndian, ec);
result = std::isnan(value) ? jsNaN() : jsNumber(value);
break;
}
default:
ASSERT_NOT_REACHED();
break;
}
setDOMException(exec, ec);
return result;
}
JSValue JSC_HOST_CALL stringProtoFuncCharCodeAt(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
UString s = thisValue.toThisString(exec);
unsigned len = s.size();
JSValue a0 = args.at(0);
if (a0.isUInt32Fast()) {
uint32_t i = a0.getUInt32Fast();
if (i < len)
return jsNumber(exec, s.data()[i]);
return jsNaN(exec);
}
double dpos = a0.toInteger(exec);
if (dpos >= 0 && dpos < len)
return jsNumber(exec, s[static_cast<int>(dpos)]);
return jsNaN(exec);
}
void NumberConstructor::finishCreation(VM& vm, NumberPrototype* numberPrototype)
{
Base::finishCreation(vm, NumberPrototype::info()->className);
ASSERT(inherits(info()));
// Number.Prototype
putDirectWithoutTransition(vm, vm.propertyNames->prototype, numberPrototype, DontEnum | DontDelete | ReadOnly);
// no. of arguments for constructor
putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum | DontDelete);
putDirectWithoutTransition(vm, Identifier(&vm, "EPSILON"), jsDoubleNumber(std::numeric_limits<double>::epsilon()), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier(&vm, "MAX_VALUE"), jsDoubleNumber(1.7976931348623157E+308), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier(&vm, "MIN_VALUE"), jsDoubleNumber(5E-324), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier(&vm, "MAX_SAFE_INTEGER"), jsDoubleNumber(9007199254740991.0), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier(&vm, "MIN_SAFE_INTEGER"), jsDoubleNumber(-9007199254740991.0), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier(&vm, "NEGATIVE_INFINITY"), jsDoubleNumber(-std::numeric_limits<double>::infinity()), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier(&vm, "POSITIVE_INFINITY"), jsDoubleNumber(std::numeric_limits<double>::infinity()), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier(&vm, "NaN"), jsNaN(), DontDelete | DontEnum | ReadOnly);
putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier(&vm, "isFinite"), 1, numberConstructorFuncIsFinite, NoIntrinsic, DontEnum | Function);
putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier(&vm, "isInteger"), 1, numberConstructorFuncIsInteger, NoIntrinsic, DontEnum | Function);
putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier(&vm, "isNaN"), 1, numberConstructorFuncIsNaN, NoIntrinsic, DontEnum | Function);
putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier(&vm, "isSafeInteger"), 1, numberConstructorFuncIsSafeInteger, NoIntrinsic, DontEnum | Function);
putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier(&vm, "parseFloat"), 1, globalFuncParseFloat, NoIntrinsic, DontEnum | Function);
putDirectNativeFunctionWithoutTransition(vm, numberPrototype->globalObject(), Identifier(&vm, "parseInt"), 1, globalFuncParseInt, NoIntrinsic, DontEnum | Function);
}
static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState* exec)
{
double doubleArguments[7] = {
exec->argument(0).toNumber(exec),
exec->argument(1).toNumber(exec),
exec->argument(2).toNumber(exec),
exec->argument(3).toNumber(exec),
exec->argument(4).toNumber(exec),
exec->argument(5).toNumber(exec),
exec->argument(6).toNumber(exec)
};
int n = exec->argumentCount();
if (isnan(doubleArguments[0])
|| isnan(doubleArguments[1])
|| (n >= 3 && isnan(doubleArguments[2]))
|| (n >= 4 && isnan(doubleArguments[3]))
|| (n >= 5 && isnan(doubleArguments[4]))
|| (n >= 6 && isnan(doubleArguments[5]))
|| (n >= 7 && isnan(doubleArguments[6])))
return JSValue::encode(jsNaN());
GregorianDateTime t;
int year = JSC::toInt32(doubleArguments[0]);
t.setYear((year >= 0 && year <= 99) ? (year + 1900) : year);
t.setMonth(JSC::toInt32(doubleArguments[1]));
t.setMonthDay((n >= 3) ? JSC::toInt32(doubleArguments[2]) : 1);
t.setHour(JSC::toInt32(doubleArguments[3]));
t.setMinute(JSC::toInt32(doubleArguments[4]));
t.setSecond(JSC::toInt32(doubleArguments[5]));
double ms = (n >= 7) ? doubleArguments[6] : 0;
return JSValue::encode(jsNumber(timeClip(gregorianDateTimeToMS(exec, t, ms, true))));
}
JSValue JSFloat64Array::getByIndex(ExecState*, unsigned index)
{
ASSERT_GC_OBJECT_INHERITS(this, &s_info);
double result = static_cast<Float64Array*>(impl())->item(index);
if (std::isnan(result))
return jsNaN();
return JSValue(result);
}
EncodedJSValue JSC_HOST_CALL mathProtoFuncSign(ExecState* exec)
{
double arg = exec->argument(0).toNumber(exec);
if (std::isnan(arg))
return JSValue::encode(jsNaN());
if (!arg)
return JSValue::encode(std::signbit(arg) ? jsNumber(-0.0) : jsNumber(0));
return JSValue::encode(jsNumber(std::signbit(arg) ? -1 : 1));
}
EncodedJSValue JSC_HOST_CALL dateProtoFuncSetYear(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(DateInstance::info()))
return throwVMTypeError(exec);
VM& vm = exec->vm();
DateInstance* thisDateObj = asDateInstance(thisValue);
if (!exec->argumentCount()) {
JSValue result = jsNaN();
thisDateObj->setInternalValue(vm, result);
return JSValue::encode(result);
}
double milli = thisDateObj->internalNumber();
double ms = 0;
GregorianDateTime gregorianDateTime;
if (std::isnan(milli))
// Based on ECMA 262 B.2.5 (setYear)
// the time must be reset to +0 if it is NaN.
msToGregorianDateTime(vm, 0, true, gregorianDateTime);
else {
double secs = floor(milli / msPerSecond);
ms = milli - secs * msPerSecond;
if (const GregorianDateTime* other = thisDateObj->gregorianDateTime(exec))
gregorianDateTime.copyFrom(*other);
}
double year = exec->argument(0).toIntegerPreserveNaN(exec);
if (!std::isfinite(year)) {
JSValue result = jsNaN();
thisDateObj->setInternalValue(vm, result);
return JSValue::encode(result);
}
gregorianDateTime.setYear(toInt32((year >= 0 && year <= 99) ? (year + 1900) : year));
JSValue result = jsNumber(gregorianDateTimeToMS(vm, gregorianDateTime, ms, false));
thisDateObj->setInternalValue(vm, result);
return JSValue::encode(result);
}
JSValue JSC_HOST_CALL dateProtoFuncSetYear(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
if (args.isEmpty()) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
double milli = thisDateObj->internalNumber();
double ms = 0;
GregorianDateTime t;
if (isnan(milli))
// Based on ECMA 262 B.2.5 (setYear)
// the time must be reset to +0 if it is NaN.
thisDateObj->msToGregorianDateTime(0, true, t);
else {
double secs = floor(milli / msPerSecond);
ms = milli - secs * msPerSecond;
thisDateObj->msToGregorianDateTime(milli, utc, t);
}
bool ok = true;
int32_t year = args.at(0).toInt32(exec, ok);
if (!ok) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
t.year = (year > 99 || year < 0) ? year - 1900 : year;
JSValue result = jsNumber(exec, gregorianDateTimeToMS(t, ms, utc));
thisDateObj->setInternalValue(result);
return result;
}
EncodedJSValue JSC_HOST_CALL dateProtoFuncSetYear(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&DateInstance::info))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
if (!exec->argumentCount()) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return JSValue::encode(result);
}
double milli = thisDateObj->internalNumber();
double ms = 0;
GregorianDateTime gregorianDateTime;
if (isnan(milli))
// Based on ECMA 262 B.2.5 (setYear)
// the time must be reset to +0 if it is NaN.
msToGregorianDateTime(exec, 0, true, gregorianDateTime);
else {
double secs = floor(milli / msPerSecond);
ms = milli - secs * msPerSecond;
if (const GregorianDateTime* other = thisDateObj->gregorianDateTime(exec))
gregorianDateTime.copyFrom(*other);
}
bool ok = true;
int32_t year = exec->argument(0).toInt32(exec, ok);
if (!ok) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return JSValue::encode(result);
}
gregorianDateTime.year = (year > 99 || year < 0) ? year - 1900 : year;
JSValue result = jsNumber(exec, gregorianDateTimeToMS(exec, gregorianDateTime, ms, false));
thisDateObj->setInternalValue(result);
return JSValue::encode(result);
}
JSValue JSC_HOST_CALL dateProtoFuncGetTime(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
return jsNumber(exec, milli);
}
static EncodedJSValue setNewValueFromDateArgs(ExecState* exec, int numArgsToUse, bool inputIsUTC)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(DateInstance::info()))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
if (!exec->argumentCount()) {
JSValue result = jsNaN();
thisDateObj->setInternalValue(exec->vm(), result);
return JSValue::encode(result);
}
VM& vm = exec->vm();
double milli = thisDateObj->internalNumber();
double ms = 0;
GregorianDateTime gregorianDateTime;
if (numArgsToUse == 3 && std::isnan(milli))
msToGregorianDateTime(vm, 0, true, gregorianDateTime);
else {
ms = milli - floor(milli / msPerSecond) * msPerSecond;
const GregorianDateTime* other = inputIsUTC
? thisDateObj->gregorianDateTimeUTC(exec)
: thisDateObj->gregorianDateTime(exec);
if (!other)
return JSValue::encode(jsNaN());
gregorianDateTime.copyFrom(*other);
}
if (!fillStructuresUsingDateArgs(exec, numArgsToUse, &ms, &gregorianDateTime)) {
JSValue result = jsNaN();
thisDateObj->setInternalValue(vm, result);
return JSValue::encode(result);
}
JSValue result = jsNumber(gregorianDateTimeToMS(vm, gregorianDateTime, ms, inputIsUTC));
thisDateObj->setInternalValue(vm, result);
return JSValue::encode(result);
}
EncodedJSValue JSC_HOST_CALL dateProtoFuncGetTimezoneOffset(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(DateInstance::info()))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTime(exec);
if (!gregorianDateTime)
return JSValue::encode(jsNaN());
return JSValue::encode(jsNumber(-gregorianDateTime->utcOffset() / minutesPerHour));
}
EncodedJSValue JSC_HOST_CALL dateProtoFuncGetUTCFullYear(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&DateInstance::info))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTimeUTC(exec);
if (!gregorianDateTime)
return JSValue::encode(jsNaN(exec));
return JSValue::encode(jsNumber(exec, 1900 + gregorianDateTime->year));
}
EncodedJSValue JSC_HOST_CALL dateProtoFuncGetUTCSeconds(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(DateInstance::info()))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTimeUTC(exec);
if (!gregorianDateTime)
return JSValue::encode(jsNaN());
return JSValue::encode(jsNumber(gregorianDateTime->second()));
}
EncodedJSValue JSC_HOST_CALL dateProtoFuncGetMinutes(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&DateInstance::s_info))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTime(exec);
if (!gregorianDateTime)
return JSValue::encode(jsNaN());
return JSValue::encode(jsNumber(gregorianDateTime->minute));
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCMilliseconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
double secs = floor(milli / msPerSecond);
double ms = milli - secs * msPerSecond;
return jsNumber(exec, ms);
}
EncodedJSValue JSC_HOST_CALL dateProtoFuncGetYear(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(DateInstance::info()))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTime(exec);
if (!gregorianDateTime)
return JSValue::encode(jsNaN());
// NOTE: IE returns the full year even in getYear.
return JSValue::encode(jsNumber(gregorianDateTime->year() - 1900));
}
static EncodedJSValue setNewValueFromTimeArgs(ExecState* exec, int numArgsToUse, bool inputIsUTC)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&DateInstance::s_info))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (!exec->argumentCount() || isnan(milli)) {
JSValue result = jsNaN();
thisDateObj->setInternalValue(exec->globalData(), result);
return JSValue::encode(result);
}
double secs = floor(milli / msPerSecond);
double ms = milli - secs * msPerSecond;
const GregorianDateTime* other = inputIsUTC
? thisDateObj->gregorianDateTimeUTC(exec)
: thisDateObj->gregorianDateTime(exec);
if (!other)
return JSValue::encode(jsNaN());
GregorianDateTime gregorianDateTime;
gregorianDateTime.copyFrom(*other);
if (!fillStructuresUsingTimeArgs(exec, numArgsToUse, &ms, &gregorianDateTime)) {
JSValue result = jsNaN();
thisDateObj->setInternalValue(exec->globalData(), result);
return JSValue::encode(result);
}
JSValue result = jsNumber(gregorianDateTimeToMS(exec, gregorianDateTime, ms, inputIsUTC));
thisDateObj->setInternalValue(exec->globalData(), result);
return JSValue::encode(result);
}
EncodedJSValue JSC_HOST_CALL dateProtoFuncGetUTCMilliseconds(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(DateInstance::info()))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (std::isnan(milli))
return JSValue::encode(jsNaN());
double secs = floor(milli / msPerSecond);
double ms = milli - secs * msPerSecond;
return JSValue::encode(jsNumber(ms));
}
static JSValue setNewValueFromDateArgs(ExecState* exec, JSValue thisValue, const ArgList& args, int numArgsToUse, bool inputIsUTC)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
if (args.isEmpty()) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
double milli = thisDateObj->internalNumber();
double ms = 0;
GregorianDateTime t;
if (numArgsToUse == 3 && isnan(milli))
// Based on ECMA 262 15.9.5.40 - .41 (set[UTC]FullYear)
// the time must be reset to +0 if it is NaN.
thisDateObj->msToGregorianDateTime(0, true, t);
else {
double secs = floor(milli / msPerSecond);
ms = milli - secs * msPerSecond;
thisDateObj->msToGregorianDateTime(milli, inputIsUTC, t);
}
if (!fillStructuresUsingDateArgs(exec, args, numArgsToUse, &ms, &t)) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
JSValue result = jsNumber(exec, gregorianDateTimeToMS(t, ms, inputIsUTC));
thisDateObj->setInternalValue(result);
return result;
}
JSValue JSC_HOST_CALL dateProtoFuncGetTimezoneOffset(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, -gmtoffset(t) / minutesPerHour);
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCSeconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.second);
}
JSValue JSC_HOST_CALL dateProtoFuncGetYear(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
// NOTE: IE returns the full year even in getYear.
return jsNumber(exec, t.year);
}
JSValue* NumberConstructor::getValueProperty(ExecState* exec, int token) const
{
// ECMA 15.7.3
switch (token) {
case NaNValue:
return jsNaN(exec);
case NegInfinity:
return jsNumberCell(exec, -Inf);
case PosInfinity:
return jsNumberCell(exec, Inf);
case MaxValue:
return jsNumberCell(exec, 1.7976931348623157E+308);
case MinValue:
return jsNumberCell(exec, 5E-324);
}
ASSERT_NOT_REACHED();
return jsNull();
}
void NumberConstructor::finishCreation(VM& vm, NumberPrototype* numberPrototype)
{
Base::finishCreation(vm, NumberPrototype::info()->className);
ASSERT(inherits(info()));
// Number.Prototype
putDirectWithoutTransition(vm, vm.propertyNames->prototype, numberPrototype, DontEnum | DontDelete | ReadOnly);
// no. of arguments for constructor
putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum | DontDelete);
putDirectWithoutTransition(vm, Identifier::fromString(&vm, "EPSILON"), jsDoubleNumber(std::numeric_limits<double>::epsilon()), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier::fromString(&vm, "MAX_VALUE"), jsDoubleNumber(1.7976931348623157E+308), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier::fromString(&vm, "MIN_VALUE"), jsDoubleNumber(5E-324), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier::fromString(&vm, "MAX_SAFE_INTEGER"), jsDoubleNumber(maxSafeInteger()), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier::fromString(&vm, "MIN_SAFE_INTEGER"), jsDoubleNumber(minSafeInteger()), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier::fromString(&vm, "NEGATIVE_INFINITY"), jsDoubleNumber(-std::numeric_limits<double>::infinity()), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier::fromString(&vm, "POSITIVE_INFINITY"), jsDoubleNumber(std::numeric_limits<double>::infinity()), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier::fromString(&vm, "NaN"), jsNaN(), DontDelete | DontEnum | ReadOnly);
putDirectWithoutTransition(vm, Identifier::fromString(&vm, "parseInt"), numberPrototype->globalObject()->parseIntFunction(), DontEnum);
}
static JSValue* dateUTC(ExecState* exec, JSObject*, JSValue*, const ArgList& args)
{
int n = args.size();
if (isnan(args.at(exec, 0)->toNumber(exec))
|| isnan(args.at(exec, 1)->toNumber(exec))
|| (n >= 3 && isnan(args.at(exec, 2)->toNumber(exec)))
|| (n >= 4 && isnan(args.at(exec, 3)->toNumber(exec)))
|| (n >= 5 && isnan(args.at(exec, 4)->toNumber(exec)))
|| (n >= 6 && isnan(args.at(exec, 5)->toNumber(exec)))
|| (n >= 7 && isnan(args.at(exec, 6)->toNumber(exec))))
return jsNaN(exec);
GregorianDateTime t;
int year = args.at(exec, 0)->toInt32(exec);
t.year = (year >= 0 && year <= 99) ? year : year - 1900;
t.month = args.at(exec, 1)->toInt32(exec);
t.monthDay = (n >= 3) ? args.at(exec, 2)->toInt32(exec) : 1;
t.hour = args.at(exec, 3)->toInt32(exec);
t.minute = args.at(exec, 4)->toInt32(exec);
t.second = args.at(exec, 5)->toInt32(exec);
double ms = (n >= 7) ? args.at(exec, 6)->toNumber(exec) : 0;
return jsNumber(exec, gregorianDateTimeToMS(t, ms, true));
}