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Diffstat (limited to 'Source/JavaScriptCore/runtime/DateConstructor.cpp')
| -rw-r--r-- | Source/JavaScriptCore/runtime/DateConstructor.cpp | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/DateConstructor.cpp b/Source/JavaScriptCore/runtime/DateConstructor.cpp new file mode 100644 index 0000000..dcbe12d --- /dev/null +++ b/Source/JavaScriptCore/runtime/DateConstructor.cpp @@ -0,0 +1,203 @@ +/* + * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) + * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 + * USA + * + */ + +#include "config.h" +#include "DateConstructor.h" + +#include "DateConversion.h" +#include "DateInstance.h" +#include "DatePrototype.h" +#include "JSFunction.h" +#include "JSGlobalObject.h" +#include "JSString.h" +#include "JSStringBuilder.h" +#include "ObjectPrototype.h" +#include "PrototypeFunction.h" +#include <math.h> +#include <time.h> +#include <wtf/DateMath.h> +#include <wtf/MathExtras.h> + +#if OS(WINCE) && !PLATFORM(QT) +extern "C" time_t time(time_t* timer); // Provided by libce. +#endif + +#if HAVE(SYS_TIME_H) +#include <sys/time.h> +#endif + +#if HAVE(SYS_TIMEB_H) +#include <sys/timeb.h> +#endif + +using namespace WTF; + +namespace JSC { + +ASSERT_CLASS_FITS_IN_CELL(DateConstructor); + +static EncodedJSValue JSC_HOST_CALL dateParse(ExecState*); +static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*); +static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState*); + +DateConstructor::DateConstructor(ExecState* exec, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, Structure* prototypeFunctionStructure, DatePrototype* datePrototype) + : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, datePrototype->classInfo()->className)) +{ + putDirectWithoutTransition(exec->propertyNames().prototype, datePrototype, DontEnum|DontDelete|ReadOnly); + + putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 1, exec->propertyNames().parse, dateParse), DontEnum); + putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 7, exec->propertyNames().UTC, dateUTC), DontEnum); + putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 0, exec->propertyNames().now, dateNow), DontEnum); + + putDirectWithoutTransition(exec->propertyNames().length, jsNumber(7), ReadOnly | DontEnum | DontDelete); +} + +// ECMA 15.9.3 +JSObject* constructDate(ExecState* exec, const ArgList& args) +{ + int numArgs = args.size(); + + double value; + + if (numArgs == 0) // new Date() ECMA 15.9.3.3 + value = jsCurrentTime(); + else if (numArgs == 1) { + if (args.at(0).inherits(&DateInstance::info)) + value = asDateInstance(args.at(0))->internalNumber(); + else { + JSValue primitive = args.at(0).toPrimitive(exec); + if (primitive.isString()) + value = parseDate(exec, primitive.getString(exec)); + else + value = primitive.toNumber(exec); + } + } else { + double doubleArguments[7] = { + args.at(0).toNumber(exec), + args.at(1).toNumber(exec), + args.at(2).toNumber(exec), + args.at(3).toNumber(exec), + args.at(4).toNumber(exec), + args.at(5).toNumber(exec), + args.at(6).toNumber(exec) + }; + if (isnan(doubleArguments[0]) + || isnan(doubleArguments[1]) + || (numArgs >= 3 && isnan(doubleArguments[2])) + || (numArgs >= 4 && isnan(doubleArguments[3])) + || (numArgs >= 5 && isnan(doubleArguments[4])) + || (numArgs >= 6 && isnan(doubleArguments[5])) + || (numArgs >= 7 && isnan(doubleArguments[6]))) + value = NaN; + else { + GregorianDateTime t; + int year = JSC::toInt32(doubleArguments[0]); + t.year = (year >= 0 && year <= 99) ? year : year - 1900; + t.month = JSC::toInt32(doubleArguments[1]); + t.monthDay = (numArgs >= 3) ? JSC::toInt32(doubleArguments[2]) : 1; + t.hour = JSC::toInt32(doubleArguments[3]); + t.minute = JSC::toInt32(doubleArguments[4]); + t.second = JSC::toInt32(doubleArguments[5]); + t.isDST = -1; + double ms = (numArgs >= 7) ? doubleArguments[6] : 0; + value = gregorianDateTimeToMS(exec, t, ms, false); + } + } + + return new (exec) DateInstance(exec, value); +} + +static EncodedJSValue JSC_HOST_CALL constructWithDateConstructor(ExecState* exec) +{ + ArgList args(exec); + return JSValue::encode(constructDate(exec, args)); +} + +ConstructType DateConstructor::getConstructData(ConstructData& constructData) +{ + constructData.native.function = constructWithDateConstructor; + return ConstructTypeHost; +} + +// ECMA 15.9.2 +static EncodedJSValue JSC_HOST_CALL callDate(ExecState* exec) +{ + time_t localTime = time(0); + tm localTM; + getLocalTime(&localTime, &localTM); + GregorianDateTime ts(exec, localTM); + DateConversionBuffer date; + DateConversionBuffer time; + formatDate(ts, date); + formatTime(ts, time); + return JSValue::encode(jsMakeNontrivialString(exec, date, " ", time)); +} + +CallType DateConstructor::getCallData(CallData& callData) +{ + callData.native.function = callDate; + return CallTypeHost; +} + +static EncodedJSValue JSC_HOST_CALL dateParse(ExecState* exec) +{ + return JSValue::encode(jsNumber(parseDate(exec, exec->argument(0).toString(exec)))); +} + +static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*) +{ + return JSValue::encode(jsNumber(jsCurrentTime())); +} + +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.year = (year >= 0 && year <= 99) ? year : year - 1900; + t.month = JSC::toInt32(doubleArguments[1]); + t.monthDay = (n >= 3) ? JSC::toInt32(doubleArguments[2]) : 1; + t.hour = JSC::toInt32(doubleArguments[3]); + t.minute = JSC::toInt32(doubleArguments[4]); + t.second = JSC::toInt32(doubleArguments[5]); + double ms = (n >= 7) ? doubleArguments[6] : 0; + return JSValue::encode(jsNumber(timeClip(gregorianDateTimeToMS(exec, t, ms, true)))); +} + +} // namespace JSC |