| /* |
| * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.nashorn.internal.objects; |
| |
| import static java.lang.Double.NaN; |
| import static java.lang.Double.isInfinite; |
| import static java.lang.Double.isNaN; |
| import static jdk.nashorn.internal.runtime.ECMAErrors.rangeError; |
| import static jdk.nashorn.internal.runtime.ECMAErrors.typeError; |
| |
| import java.util.Locale; |
| import java.util.TimeZone; |
| import java.util.concurrent.Callable; |
| import jdk.nashorn.internal.objects.annotations.Attribute; |
| import jdk.nashorn.internal.objects.annotations.Constructor; |
| import jdk.nashorn.internal.objects.annotations.Function; |
| import jdk.nashorn.internal.objects.annotations.ScriptClass; |
| import jdk.nashorn.internal.objects.annotations.SpecializedFunction; |
| import jdk.nashorn.internal.objects.annotations.Where; |
| import jdk.nashorn.internal.parser.DateParser; |
| import jdk.nashorn.internal.runtime.JSType; |
| import jdk.nashorn.internal.runtime.PropertyMap; |
| import jdk.nashorn.internal.runtime.ScriptEnvironment; |
| import jdk.nashorn.internal.runtime.ScriptObject; |
| import jdk.nashorn.internal.runtime.ScriptRuntime; |
| import jdk.nashorn.internal.runtime.linker.Bootstrap; |
| import jdk.nashorn.internal.runtime.linker.InvokeByName; |
| |
| /** |
| * ECMA 15.9 Date Objects |
| * |
| */ |
| @ScriptClass("Date") |
| public final class NativeDate extends ScriptObject { |
| |
| private static final String INVALID_DATE = "Invalid Date"; |
| |
| private static final int YEAR = 0; |
| private static final int MONTH = 1; |
| private static final int DAY = 2; |
| private static final int HOUR = 3; |
| private static final int MINUTE = 4; |
| private static final int SECOND = 5; |
| private static final int MILLISECOND = 6; |
| |
| private static final int FORMAT_DATE_TIME = 0; |
| private static final int FORMAT_DATE = 1; |
| private static final int FORMAT_TIME = 2; |
| private static final int FORMAT_LOCAL_DATE_TIME = 3; |
| private static final int FORMAT_LOCAL_DATE = 4; |
| private static final int FORMAT_LOCAL_TIME = 5; |
| |
| // Constants defined in ECMA 15.9.1.10 |
| private static final int hoursPerDay = 24; |
| private static final int minutesPerHour = 60; |
| private static final int secondsPerMinute = 60; |
| private static final int msPerSecond = 1_000; |
| private static final int msPerMinute = 60_000; |
| private static final double msPerHour = 3_600_000; |
| private static final double msPerDay = 86_400_000; |
| |
| private static int[][] firstDayInMonth = { |
| {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334}, // normal year |
| {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335} // leap year |
| }; |
| |
| private static String[] weekDays = { |
| "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" |
| }; |
| |
| private static String[] months = { |
| "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" |
| }; |
| |
| private static final Object TO_ISO_STRING = new Object(); |
| |
| private static InvokeByName getTO_ISO_STRING() { |
| return Global.instance().getInvokeByName(TO_ISO_STRING, |
| new Callable<InvokeByName>() { |
| @Override |
| public InvokeByName call() { |
| return new InvokeByName("toISOString", ScriptObject.class, Object.class, Object.class); |
| } |
| }); |
| } |
| |
| private double time; |
| private final TimeZone timezone; |
| |
| // initialized by nasgen |
| private static PropertyMap $nasgenmap$; |
| |
| private NativeDate(final double time, final ScriptObject proto, final PropertyMap map) { |
| super(proto, map); |
| final ScriptEnvironment env = Global.getEnv(); |
| |
| this.time = time; |
| this.timezone = env._timezone; |
| } |
| |
| NativeDate(final double time, final ScriptObject proto) { |
| this(time, proto, $nasgenmap$); |
| } |
| |
| NativeDate(final double time, final Global global) { |
| this(time, global.getDatePrototype(), $nasgenmap$); |
| } |
| |
| private NativeDate (final double time) { |
| this(time, Global.instance()); |
| } |
| |
| private NativeDate() { |
| this(System.currentTimeMillis()); |
| } |
| |
| @Override |
| public String getClassName() { |
| return "Date"; |
| } |
| |
| // ECMA 8.12.8 [[DefaultValue]] (hint) |
| @Override |
| public Object getDefaultValue(final Class<?> hint) { |
| // When the [[DefaultValue]] internal method of O is called with no hint, |
| // then it behaves as if the hint were Number, unless O is a Date object |
| // in which case it behaves as if the hint were String. |
| return super.getDefaultValue(hint == null ? String.class : hint); |
| } |
| |
| /** |
| * Constructor - ECMA 15.9.3.1 new Date |
| * |
| * @param isNew is this Date constructed with the new operator |
| * @param self self references |
| * @return Date representing now |
| */ |
| @SpecializedFunction(isConstructor=true) |
| public static Object construct(final boolean isNew, final Object self) { |
| final NativeDate result = new NativeDate(); |
| return isNew ? result : toStringImpl(result, FORMAT_DATE_TIME); |
| } |
| |
| /** |
| * Constructor - ECMA 15.9.3.1 new Date (year, month [, date [, hours [, minutes [, seconds [, ms ] ] ] ] ] ) |
| * |
| * @param isNew is this Date constructed with the new operator |
| * @param self self reference |
| * @param args arguments |
| * @return new Date |
| */ |
| @Constructor(arity = 7) |
| public static Object construct(final boolean isNew, final Object self, final Object... args) { |
| if (! isNew) { |
| return toStringImpl(new NativeDate(), FORMAT_DATE_TIME); |
| } |
| |
| NativeDate result; |
| switch (args.length) { |
| case 0: |
| result = new NativeDate(); |
| break; |
| |
| case 1: |
| double num; |
| final Object arg = JSType.toPrimitive(args[0]); |
| if (JSType.isString(arg)) { |
| num = parseDateString(arg.toString()); |
| } else { |
| num = timeClip(JSType.toNumber(args[0])); |
| } |
| result = new NativeDate(num); |
| break; |
| |
| default: |
| result = new NativeDate(0); |
| final double[] d = convertCtorArgs(args); |
| if (d == null) { |
| result.setTime(Double.NaN); |
| } else { |
| final double time = timeClip(utc(makeDate(d), result.getTimeZone())); |
| result.setTime(time); |
| } |
| break; |
| } |
| |
| return result; |
| } |
| |
| @Override |
| public String safeToString() { |
| final String str = isValidDate() ? toISOStringImpl(this) : INVALID_DATE; |
| return "[Date " + str + "]"; |
| } |
| |
| @Override |
| public String toString() { |
| return isValidDate() ? toString(this).toString() : INVALID_DATE; |
| } |
| |
| /** |
| * ECMA 15.9.4.2 Date.parse (string) |
| * |
| * @param self self reference |
| * @param string string to parse as date |
| * @return Date interpreted from the string, or NaN for illegal values |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double parse(final Object self, final Object string) { |
| return parseDateString(JSType.toString(string)); |
| } |
| |
| /** |
| * ECMA 15.9.4.3 Date.UTC (year, month [, date [, hours [, minutes [, seconds [, ms ] ] ] ] ] ) |
| * |
| * @param self self reference |
| * @param args mandatory args are year, month. Optional are date, hours, minutes, seconds and milliseconds |
| * @return a time clip according to the ECMA specification |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 7, where = Where.CONSTRUCTOR) |
| public static double UTC(final Object self, final Object... args) { |
| final NativeDate nd = new NativeDate(0); |
| final double[] d = convertCtorArgs(args); |
| final double time = d == null ? Double.NaN : timeClip(makeDate(d)); |
| nd.setTime(time); |
| return time; |
| } |
| |
| /** |
| * ECMA 15.9.4.4 Date.now ( ) |
| * |
| * @param self self reference |
| * @return a Date that points to the current moment in time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR) |
| public static double now(final Object self) { |
| // convert to double as long does not represent the primitive JS number type |
| return (double) System.currentTimeMillis(); |
| } |
| |
| /** |
| * ECMA 15.9.5.2 Date.prototype.toString ( ) |
| * |
| * @param self self reference |
| * @return string value that represents the Date in the current time zone |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static String toString(final Object self) { |
| return toStringImpl(self, FORMAT_DATE_TIME); |
| } |
| |
| /** |
| * ECMA 15.9.5.3 Date.prototype.toDateString ( ) |
| * |
| * @param self self reference |
| * @return string value with the "date" part of the Date in the current time zone |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static String toDateString(final Object self) { |
| return toStringImpl(self, FORMAT_DATE); |
| } |
| |
| /** |
| * ECMA 15.9.5.4 Date.prototype.toTimeString ( ) |
| * |
| * @param self self reference |
| * @return string value with "time" part of Date in the current time zone |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static String toTimeString(final Object self) { |
| return toStringImpl(self, FORMAT_TIME); |
| } |
| |
| /** |
| * ECMA 15.9.5.5 Date.prototype.toLocaleString ( ) |
| * |
| * @param self self reference |
| * @return string value that represents the Data in the current time zone and locale |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static String toLocaleString(final Object self) { |
| return toStringImpl(self, FORMAT_LOCAL_DATE_TIME); |
| } |
| |
| /** |
| * ECMA 15.9.5.6 Date.prototype.toLocaleDateString ( ) |
| * |
| * @param self self reference |
| * @return string value with the "date" part of the Date in the current time zone and locale |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static String toLocaleDateString(final Object self) { |
| return toStringImpl(self, FORMAT_LOCAL_DATE); |
| } |
| |
| /** |
| * ECMA 15.9.5.7 Date.prototype.toLocaleTimeString ( ) |
| * |
| * @param self self reference |
| * @return string value with the "time" part of Date in the current time zone and locale |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static String toLocaleTimeString(final Object self) { |
| return toStringImpl(self, FORMAT_LOCAL_TIME); |
| } |
| |
| /** |
| * ECMA 15.9.5.8 Date.prototype.valueOf ( ) |
| * |
| * @param self self reference |
| * @return valueOf - a number which is this time value |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double valueOf(final Object self) { |
| final NativeDate nd = getNativeDate(self); |
| return (nd != null) ? nd.getTime() : Double.NaN; |
| } |
| |
| /** |
| * ECMA 15.9.5.9 Date.prototype.getTime ( ) |
| * |
| * @param self self reference |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getTime(final Object self) { |
| final NativeDate nd = getNativeDate(self); |
| return (nd != null) ? nd.getTime() : Double.NaN; |
| } |
| |
| /** |
| * ECMA 15.9.5.10 Date.prototype.getFullYear ( ) |
| * |
| * @param self self reference |
| * @return full year |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static Object getFullYear(final Object self) { |
| return getField(self, YEAR); |
| } |
| |
| /** |
| * ECMA 15.9.5.11 Date.prototype.getUTCFullYear( ) |
| * |
| * @param self self reference |
| * @return UTC full year |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getUTCFullYear(final Object self) { |
| return getUTCField(self, YEAR); |
| } |
| |
| /** |
| * B.2.4 Date.prototype.getYear ( ) |
| * |
| * @param self self reference |
| * @return year |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getYear(final Object self) { |
| final NativeDate nd = getNativeDate(self); |
| return (nd != null && nd.isValidDate()) ? (yearFromTime(nd.getLocalTime()) - 1900) : Double.NaN; |
| } |
| |
| /** |
| * ECMA 15.9.5.12 Date.prototype.getMonth ( ) |
| * |
| * @param self self reference |
| * @return month |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getMonth(final Object self) { |
| return getField(self, MONTH); |
| } |
| |
| /** |
| * ECMA 15.9.5.13 Date.prototype.getUTCMonth ( ) |
| * |
| * @param self self reference |
| * @return UTC month |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getUTCMonth(final Object self) { |
| return getUTCField(self, MONTH); |
| } |
| |
| /** |
| * ECMA 15.9.5.14 Date.prototype.getDate ( ) |
| * |
| * @param self self reference |
| * @return date |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getDate(final Object self) { |
| return getField(self, DAY); |
| } |
| |
| /** |
| * ECMA 15.9.5.15 Date.prototype.getUTCDate ( ) |
| * |
| * @param self self reference |
| * @return UTC Date |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getUTCDate(final Object self) { |
| return getUTCField(self, DAY); |
| } |
| |
| /** |
| * ECMA 15.9.5.16 Date.prototype.getDay ( ) |
| * |
| * @param self self reference |
| * @return day |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getDay(final Object self) { |
| final NativeDate nd = getNativeDate(self); |
| return (nd != null && nd.isValidDate()) ? weekDay(nd.getLocalTime()) : Double.NaN; |
| } |
| |
| /** |
| * ECMA 15.9.5.17 Date.prototype.getUTCDay ( ) |
| * |
| * @param self self reference |
| * @return UTC day |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getUTCDay(final Object self) { |
| final NativeDate nd = getNativeDate(self); |
| return (nd != null && nd.isValidDate()) ? weekDay(nd.getTime()) : Double.NaN; |
| } |
| |
| /** |
| * ECMA 15.9.5.18 Date.prototype.getHours ( ) |
| * |
| * @param self self reference |
| * @return hours |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getHours(final Object self) { |
| return getField(self, HOUR); |
| } |
| |
| /** |
| * ECMA 15.9.5.19 Date.prototype.getUTCHours ( ) |
| * |
| * @param self self reference |
| * @return UTC hours |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getUTCHours(final Object self) { |
| return getUTCField(self, HOUR); |
| } |
| |
| /** |
| * ECMA 15.9.5.20 Date.prototype.getMinutes ( ) |
| * |
| * @param self self reference |
| * @return minutes |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getMinutes(final Object self) { |
| return getField(self, MINUTE); |
| } |
| |
| /** |
| * ECMA 15.9.5.21 Date.prototype.getUTCMinutes ( ) |
| * |
| * @param self self reference |
| * @return UTC minutes |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getUTCMinutes(final Object self) { |
| return getUTCField(self, MINUTE); |
| } |
| |
| /** |
| * ECMA 15.9.5.22 Date.prototype.getSeconds ( ) |
| * |
| * @param self self reference |
| * @return seconds |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getSeconds(final Object self) { |
| return getField(self, SECOND); |
| } |
| |
| /** |
| * ECMA 15.9.5.23 Date.prototype.getUTCSeconds ( ) |
| * |
| * @param self self reference |
| * @return UTC seconds |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getUTCSeconds(final Object self) { |
| return getUTCField(self, SECOND); |
| } |
| |
| /** |
| * ECMA 15.9.5.24 Date.prototype.getMilliseconds ( ) |
| * |
| * @param self self reference |
| * @return milliseconds |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getMilliseconds(final Object self) { |
| return getField(self, MILLISECOND); |
| } |
| |
| /** |
| * ECMA 15.9.5.25 Date.prototype.getUTCMilliseconds ( ) |
| * |
| * @param self self reference |
| * @return UTC milliseconds |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getUTCMilliseconds(final Object self) { |
| return getUTCField(self, MILLISECOND); |
| } |
| |
| /** |
| * ECMA 15.9.5.26 Date.prototype.getTimezoneOffset ( ) |
| * |
| * @param self self reference |
| * @return time zone offset or NaN if N/A |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double getTimezoneOffset(final Object self) { |
| final NativeDate nd = getNativeDate(self); |
| if (nd != null && nd.isValidDate()) { |
| final long msec = (long) nd.getTime(); |
| return - nd.getTimeZone().getOffset(msec) / msPerMinute; |
| } |
| return Double.NaN; |
| } |
| |
| /** |
| * ECMA 15.9.5.27 Date.prototype.setTime (time) |
| * |
| * @param self self reference |
| * @param time time |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double setTime(final Object self, final Object time) { |
| final NativeDate nd = getNativeDate(self); |
| final double num = timeClip(JSType.toNumber(time)); |
| nd.setTime(num); |
| return num; |
| } |
| |
| /** |
| * ECMA 15.9.5.28 Date.prototype.setMilliseconds (ms) |
| * |
| * @param self self reference |
| * @param args milliseconds |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) |
| public static double setMilliseconds(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, MILLISECOND, args, true); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.29 Date.prototype.setUTCMilliseconds (ms) |
| * |
| * @param self self reference |
| * @param args utc milliseconds |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) |
| public static double setUTCMilliseconds(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, MILLISECOND, args, false); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.30 Date.prototype.setSeconds (sec [, ms ] ) |
| * |
| * @param self self reference |
| * @param args seconds (milliseconds optional second argument) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) |
| public static double setSeconds(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, SECOND, args, true); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.31 Date.prototype.setUTCSeconds (sec [, ms ] ) |
| * |
| * @param self self reference |
| * @param args UTC seconds (milliseconds optional second argument) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) |
| public static double setUTCSeconds(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, SECOND, args, false); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.32 Date.prototype.setMinutes (min [, sec [, ms ] ] ) |
| * |
| * @param self self reference |
| * @param args minutes (seconds and milliseconds are optional second and third arguments) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 3) |
| public static double setMinutes(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, MINUTE, args, true); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.33 Date.prototype.setUTCMinutes (min [, sec [, ms ] ] ) |
| * |
| * @param self self reference |
| * @param args minutes (seconds and milliseconds are optional second and third arguments) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 3) |
| public static double setUTCMinutes(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, MINUTE, args, false); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.34 Date.prototype.setHours (hour [, min [, sec [, ms ] ] ] ) |
| * |
| * @param self self reference |
| * @param args hour (optional arguments after are minutes, seconds, milliseconds) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 4) |
| public static double setHours(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, HOUR, args, true); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.35 Date.prototype.setUTCHours (hour [, min [, sec [, ms ] ] ] ) |
| * |
| * @param self self reference |
| * @param args hour (optional arguments after are minutes, seconds, milliseconds) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 4) |
| public static double setUTCHours(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, HOUR, args, false); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.36 Date.prototype.setDate (date) |
| * |
| * @param self self reference |
| * @param args date |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) |
| public static double setDate(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, DAY, args, true); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.37 Date.prototype.setUTCDate (date) |
| * |
| * @param self self reference |
| * @param args UTC date |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1) |
| public static double setUTCDate(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, DAY, args, false); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.38 Date.prototype.setMonth (month [, date ] ) |
| * |
| * @param self self reference |
| * @param args month (optional second argument is date) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) |
| public static double setMonth(final Object self, final Object... args) { |
| final NativeDate nd = getNativeDate(self); |
| setFields(nd, MONTH, args, true); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.39 Date.prototype.setUTCMonth (month [, date ] ) |
| * |
| * @param self self reference |
| * @param args UTC month (optional second argument is date) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 2) |
| public static double setUTCMonth(final Object self, final Object... args) { |
| final NativeDate nd = ensureNativeDate(self); |
| setFields(nd, MONTH, args, false); |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.40 Date.prototype.setFullYear (year [, month [, date ] ] ) |
| * |
| * @param self self reference |
| * @param args year (optional second and third arguments are month and date) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 3) |
| public static double setFullYear(final Object self, final Object... args) { |
| final NativeDate nd = ensureNativeDate(self); |
| if (nd.isValidDate()) { |
| setFields(nd, YEAR, args, true); |
| } else { |
| final double[] d = convertArgs(args, 0, YEAR, YEAR, 3); |
| if (d != null) { |
| nd.setTime(timeClip(utc(makeDate(makeDay(d[0], d[1], d[2]), 0), nd.getTimeZone()))); |
| } else { |
| nd.setTime(NaN); |
| } |
| } |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.41 Date.prototype.setUTCFullYear (year [, month [, date ] ] ) |
| * |
| * @param self self reference |
| * @param args UTC full year (optional second and third arguments are month and date) |
| * @return time |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 3) |
| public static double setUTCFullYear(final Object self, final Object... args) { |
| final NativeDate nd = ensureNativeDate(self); |
| if (nd.isValidDate()) { |
| setFields(nd, YEAR, args, false); |
| } else { |
| final double[] d = convertArgs(args, 0, YEAR, YEAR, 3); |
| nd.setTime(timeClip(makeDate(makeDay(d[0], d[1], d[2]), 0))); |
| } |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA B.2.5 Date.prototype.setYear (year) |
| * |
| * @param self self reference |
| * @param year year |
| * @return NativeDate |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static double setYear(final Object self, final Object year) { |
| final NativeDate nd = getNativeDate(self); |
| if (isNaN(nd.getTime())) { |
| nd.setTime(utc(0, nd.getTimeZone())); |
| } |
| |
| final double yearNum = JSType.toNumber(year); |
| if (isNaN(yearNum)) { |
| nd.setTime(NaN); |
| return nd.getTime(); |
| } |
| int yearInt = (int)yearNum; |
| if (0 <= yearInt && yearInt <= 99) { |
| yearInt += 1900; |
| } |
| setFields(nd, YEAR, new Object[] {yearInt}, true); |
| |
| return nd.getTime(); |
| } |
| |
| /** |
| * ECMA 15.9.5.42 Date.prototype.toUTCString ( ) |
| * |
| * @param self self reference |
| * @return string representation of date |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static String toUTCString(final Object self) { |
| return toGMTStringImpl(self); |
| } |
| |
| /** |
| * ECMA B.2.6 Date.prototype.toGMTString ( ) |
| * |
| * See {@link NativeDate#toUTCString(Object)} |
| * |
| * @param self self reference |
| * @return string representation of date |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static String toGMTString(final Object self) { |
| return toGMTStringImpl(self); |
| } |
| |
| /** |
| * ECMA 15.9.5.43 Date.prototype.toISOString ( ) |
| * |
| * @param self self reference |
| * @return string representation of date |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static String toISOString(final Object self) { |
| return toISOStringImpl(self); |
| } |
| |
| /** |
| * ECMA 15.9.5.44 Date.prototype.toJSON ( key ) |
| * |
| * Provides a string representation of this Date for use by {@link NativeJSON#stringify(Object, Object, Object, Object)} |
| * |
| * @param self self reference |
| * @param key ignored |
| * @return JSON representation of this date |
| */ |
| @Function(attributes = Attribute.NOT_ENUMERABLE) |
| public static Object toJSON(final Object self, final Object key) { |
| // NOTE: Date.prototype.toJSON is generic. Accepts other objects as well. |
| final Object selfObj = Global.toObject(self); |
| if (!(selfObj instanceof ScriptObject)) { |
| return null; |
| } |
| final ScriptObject sobj = (ScriptObject)selfObj; |
| final Object value = sobj.getDefaultValue(Number.class); |
| if (value instanceof Number) { |
| final double num = ((Number)value).doubleValue(); |
| if (isInfinite(num) || isNaN(num)) { |
| return null; |
| } |
| } |
| |
| try { |
| final InvokeByName toIsoString = getTO_ISO_STRING(); |
| final Object func = toIsoString.getGetter().invokeExact(sobj); |
| if (Bootstrap.isCallable(func)) { |
| return toIsoString.getInvoker().invokeExact(func, sobj, key); |
| } |
| throw typeError("not.a.function", ScriptRuntime.safeToString(func)); |
| } catch (final RuntimeException | Error e) { |
| throw e; |
| } catch (final Throwable t) { |
| throw new RuntimeException(t); |
| } |
| } |
| |
| // -- Internals below this point |
| |
| private static double parseDateString(final String str) { |
| |
| final DateParser parser = new DateParser(str); |
| if (parser.parse()) { |
| final Integer[] fields = parser.getDateFields(); |
| double d = makeDate(fields); |
| if (fields[DateParser.TIMEZONE] != null) { |
| d -= fields[DateParser.TIMEZONE] * 60000; |
| } else { |
| d = utc(d, Global.getEnv()._timezone); |
| } |
| d = timeClip(d); |
| return d; |
| } |
| |
| return Double.NaN; |
| } |
| |
| private static void zeroPad(final StringBuilder sb, final int n, final int length) { |
| for (int l = 1, d = 10; l < length; l++, d *= 10) { |
| if (n < d) { |
| sb.append('0'); |
| } |
| } |
| sb.append(n); |
| } |
| |
| @SuppressWarnings("fallthrough") |
| private static String toStringImpl(final Object self, final int format) { |
| final NativeDate nd = getNativeDate(self); |
| |
| if (nd != null && nd.isValidDate()) { |
| final StringBuilder sb = new StringBuilder(40); |
| final double t = nd.getLocalTime(); |
| |
| switch (format) { |
| |
| case FORMAT_DATE_TIME: |
| case FORMAT_DATE : |
| case FORMAT_LOCAL_DATE_TIME: |
| // EEE MMM dd yyyy |
| sb.append(weekDays[weekDay(t)]) |
| .append(' ') |
| .append(months[monthFromTime(t)]) |
| .append(' '); |
| zeroPad(sb, dayFromTime(t), 2); |
| sb.append(' '); |
| zeroPad(sb, yearFromTime(t), 4); |
| if (format == FORMAT_DATE) { |
| break; |
| } |
| sb.append(' '); |
| |
| case FORMAT_TIME: |
| final TimeZone tz = nd.getTimeZone(); |
| final double utcTime = nd.getTime(); |
| int offset = tz.getOffset((long) utcTime) / 60000; |
| final boolean inDaylightTime = offset != tz.getRawOffset() / 60000; |
| // Convert minutes to HHmm timezone offset |
| offset = (offset / 60) * 100 + offset % 60; |
| |
| // HH:mm:ss GMT+HHmm |
| zeroPad(sb, hourFromTime(t), 2); |
| sb.append(':'); |
| zeroPad(sb, minFromTime(t), 2); |
| sb.append(':'); |
| zeroPad(sb, secFromTime(t), 2); |
| sb.append(" GMT") |
| .append(offset < 0 ? '-' : '+'); |
| zeroPad(sb, Math.abs(offset), 4); |
| sb.append(" (") |
| .append(tz.getDisplayName(inDaylightTime, TimeZone.SHORT, Locale.US)) |
| .append(')'); |
| break; |
| |
| case FORMAT_LOCAL_DATE: |
| // yyyy-MM-dd |
| zeroPad(sb, yearFromTime(t), 4); |
| sb.append('-'); |
| zeroPad(sb, monthFromTime(t) + 1, 2); |
| sb.append('-'); |
| zeroPad(sb, dayFromTime(t), 2); |
| break; |
| |
| case FORMAT_LOCAL_TIME: |
| // HH:mm:ss |
| zeroPad(sb, hourFromTime(t), 2); |
| sb.append(':'); |
| zeroPad(sb, minFromTime(t), 2); |
| sb.append(':'); |
| zeroPad(sb, secFromTime(t), 2); |
| break; |
| |
| default: |
| throw new IllegalArgumentException("format: " + format); |
| } |
| |
| return sb.toString(); |
| } |
| |
| return INVALID_DATE; |
| } |
| |
| private static String toGMTStringImpl(final Object self) { |
| final NativeDate nd = getNativeDate(self); |
| |
| if (nd != null && nd.isValidDate()) { |
| final StringBuilder sb = new StringBuilder(29); |
| final double t = nd.getTime(); |
| // EEE, dd MMM yyyy HH:mm:ss z |
| sb.append(weekDays[weekDay(t)]) |
| .append(", "); |
| zeroPad(sb, dayFromTime(t), 2); |
| sb.append(' ') |
| .append(months[monthFromTime(t)]) |
| .append(' '); |
| zeroPad(sb, yearFromTime(t), 4); |
| sb.append(' '); |
| zeroPad(sb, hourFromTime(t), 2); |
| sb.append(':'); |
| zeroPad(sb, minFromTime(t), 2); |
| sb.append(':'); |
| zeroPad(sb, secFromTime(t), 2); |
| sb.append(" GMT"); |
| return sb.toString(); |
| } |
| |
| throw rangeError("invalid.date"); |
| } |
| |
| private static String toISOStringImpl(final Object self) { |
| final NativeDate nd = getNativeDate(self); |
| |
| if (nd != null && nd.isValidDate()) { |
| final StringBuilder sb = new StringBuilder(24); |
| final double t = nd.getTime(); |
| // yyyy-MM-dd'T'HH:mm:ss.SSS'Z' |
| zeroPad(sb, yearFromTime(t), 4); |
| sb.append('-'); |
| zeroPad(sb, monthFromTime(t) + 1, 2); |
| sb.append('-'); |
| zeroPad(sb, dayFromTime(t), 2); |
| sb.append('T'); |
| zeroPad(sb, hourFromTime(t), 2); |
| sb.append(':'); |
| zeroPad(sb, minFromTime(t), 2); |
| sb.append(':'); |
| zeroPad(sb, secFromTime(t), 2); |
| sb.append('.'); |
| zeroPad(sb, msFromTime(t), 3); |
| sb.append("Z"); |
| return sb.toString(); |
| } |
| |
| throw rangeError("invalid.date"); |
| } |
| |
| // ECMA 15.9.1.2 Day (t) |
| private static double day(final double t) { |
| return Math.floor(t / msPerDay); |
| } |
| |
| // ECMA 15.9.1.2 TimeWithinDay (t) |
| private static double timeWithinDay(final double t) { |
| final double val = t % msPerDay; |
| return val < 0? val + msPerDay : val; |
| } |
| |
| // ECMA 15.9.1.3 InLeapYear (t) |
| private static boolean isLeapYear(final int y) { |
| return y % 4 == 0 && (y % 100 != 0 || y % 400 == 0); |
| } |
| |
| // ECMA 15.9.1.3 DaysInYear (y) |
| private static int daysInYear(final int y) { |
| return isLeapYear(y) ? 366 : 365; |
| } |
| |
| // ECMA 15.9.1.3 DayFromYear (y) |
| private static double dayFromYear(final double y) { |
| return 365 * (y - 1970) |
| + Math.floor((y -1969) / 4.0) |
| - Math.floor((y - 1901) / 100.0) |
| + Math.floor((y - 1601) / 400.0); |
| } |
| |
| // ECMA 15.9.1.3 Year Number |
| private static double timeFromYear(final int y) { |
| return dayFromYear(y) * msPerDay; |
| } |
| |
| // ECMA 15.9.1.3 Year Number |
| private static int yearFromTime(final double t) { |
| int y = (int) Math.floor(t / (msPerDay * 365.2425)) + 1970; |
| final double t2 = timeFromYear(y); |
| if (t2 > t) { |
| y--; |
| } else if (t2 + msPerDay * daysInYear(y) <= t) { |
| y++; |
| } |
| return y; |
| } |
| |
| private static int dayWithinYear(final double t, final int year) { |
| return (int) (day(t) - dayFromYear(year)); |
| } |
| |
| private static int monthFromTime(final double t) { |
| final int year = yearFromTime(t); |
| final int day = dayWithinYear(t, year); |
| final int[] firstDay = firstDayInMonth[isLeapYear(year) ? 1 : 0]; |
| int month = 0; |
| |
| while (month < 11 && firstDay[month + 1] <= day) { |
| month++; |
| } |
| return month; |
| } |
| |
| private static int dayFromTime(final double t) { |
| final int year = yearFromTime(t); |
| final int day = dayWithinYear(t, year); |
| final int[] firstDay = firstDayInMonth[isLeapYear(year) ? 1 : 0]; |
| int month = 0; |
| |
| while (month < 11 && firstDay[month + 1] <= day) { |
| month++; |
| } |
| return 1 + day - firstDay[month]; |
| } |
| |
| private static int dayFromMonth(final int month, final int year) { |
| assert(month >= 0 && month <= 11); |
| final int[] firstDay = firstDayInMonth[isLeapYear(year) ? 1 : 0]; |
| return firstDay[month]; |
| } |
| |
| private static int weekDay(final double time) { |
| final int day = (int) (day(time) + 4) % 7; |
| return day < 0 ? day + 7 : day; |
| } |
| |
| // ECMA 15.9.1.9 LocalTime |
| private static double localTime(final double time, final TimeZone tz) { |
| return time + tz.getOffset((long) time); |
| } |
| |
| // ECMA 15.9.1.9 UTC |
| private static double utc(final double time, final TimeZone tz) { |
| return time - tz.getOffset((long) (time - tz.getRawOffset())); |
| } |
| |
| // ECMA 15.9.1.10 Hours, Minutes, Second, and Milliseconds |
| private static int hourFromTime(final double t) { |
| final int h = (int) (Math.floor(t / msPerHour) % hoursPerDay); |
| return h < 0 ? h + hoursPerDay: h; |
| } |
| private static int minFromTime(final double t) { |
| final int m = (int) (Math.floor(t / msPerMinute) % minutesPerHour); |
| return m < 0 ? m + minutesPerHour : m; |
| } |
| |
| private static int secFromTime(final double t) { |
| final int s = (int) (Math.floor(t / msPerSecond) % secondsPerMinute); |
| return s < 0 ? s + secondsPerMinute : s; |
| } |
| |
| private static int msFromTime(final double t) { |
| final int m = (int) (t % msPerSecond); |
| return m < 0 ? m + msPerSecond : m; |
| } |
| |
| private static int valueFromTime(final int unit, final double t) { |
| switch (unit) { |
| case YEAR: return yearFromTime(t); |
| case MONTH: return monthFromTime(t); |
| case DAY: return dayFromTime(t); |
| case HOUR: return hourFromTime(t); |
| case MINUTE: return minFromTime(t); |
| case SECOND: return secFromTime(t); |
| case MILLISECOND: return msFromTime(t); |
| default: throw new IllegalArgumentException(Integer.toString(unit)); |
| } |
| } |
| |
| // ECMA 15.9.1.11 MakeTime (hour, min, sec, ms) |
| private static double makeTime(final double hour, final double min, final double sec, final double ms) { |
| return hour * 3600000 + min * 60000 + sec * 1000 + ms; |
| } |
| |
| // ECMA 15.9.1.12 MakeDay (year, month, date) |
| private static double makeDay(final double year, final double month, final double date) { |
| final double y = year + Math.floor(month / 12); |
| int m = (int) (month % 12); |
| if (m < 0) { |
| m += 12; |
| } |
| double d = dayFromYear(y); |
| d += dayFromMonth(m, (int) y); |
| |
| return d + date - 1; |
| } |
| |
| // ECMA 15.9.1.13 MakeDate (day, time) |
| private static double makeDate(final double day, final double time) { |
| return day * msPerDay + time; |
| } |
| |
| |
| private static double makeDate(final Integer[] d) { |
| final double time = makeDay(d[0], d[1], d[2]) * msPerDay; |
| return time + makeTime(d[3], d[4], d[5], d[6]); |
| } |
| |
| private static double makeDate(final double[] d) { |
| final double time = makeDay(d[0], d[1], d[2]) * msPerDay; |
| return time + makeTime(d[3], d[4], d[5], d[6]); |
| } |
| |
| // Convert Date constructor args, checking for NaN, filling in defaults etc. |
| private static double[] convertCtorArgs(final Object[] args) { |
| final double[] d = new double[7]; |
| boolean nullReturn = false; |
| |
| // should not bailout on first NaN or infinite. Need to convert all |
| // subsequent args for possible side-effects via valueOf/toString overrides |
| // on argument objects. |
| for (int i = 0; i < d.length; i++) { |
| if (i < args.length) { |
| final double darg = JSType.toNumber(args[i]); |
| if (isNaN(darg) || isInfinite(darg)) { |
| nullReturn = true; |
| } |
| |
| d[i] = (long)darg; |
| } else { |
| d[i] = i == 2 ? 1 : 0; // day in month defaults to 1 |
| } |
| } |
| |
| if (0 <= d[0] && d[0] <= 99) { |
| d[0] += 1900; |
| } |
| |
| return nullReturn? null : d; |
| } |
| |
| // This method does the hard work for all setter methods: If a value is provided |
| // as argument it is used, otherwise the value is calculated from the existing time value. |
| private static double[] convertArgs(final Object[] args, final double time, final int fieldId, final int start, final int length) { |
| final double[] d = new double[length]; |
| boolean nullReturn = false; |
| |
| // Need to call toNumber on all args for side-effects - even if an argument |
| // fails to convert to number, subsequent toNumber calls needed for possible |
| // side-effects via valueOf/toString overrides. |
| for (int i = start; i < start + length; i++) { |
| if (fieldId <= i && i < fieldId + args.length) { |
| final double darg = JSType.toNumber(args[i - fieldId]); |
| if (isNaN(darg) || isInfinite(darg)) { |
| nullReturn = true; |
| } |
| |
| d[i - start] = (long) darg; |
| } else { |
| // Date.prototype.set* methods require first argument to be defined |
| if (i == fieldId) { |
| nullReturn = true; |
| } |
| |
| if (!nullReturn && !isNaN(time)) { |
| d[i - start] = valueFromTime(i, time); |
| } |
| } |
| } |
| |
| return nullReturn ? null : d; |
| } |
| |
| // ECMA 15.9.1.14 TimeClip (time) |
| private static double timeClip(final double time) { |
| if (isInfinite(time) || isNaN(time) || Math.abs(time) > 8.64e15) { |
| return Double.NaN; |
| } |
| return (long)time; |
| } |
| |
| private static NativeDate ensureNativeDate(final Object self) { |
| return getNativeDate(self); |
| } |
| |
| private static NativeDate getNativeDate(final Object self) { |
| if (self instanceof NativeDate) { |
| return (NativeDate)self; |
| } else if (self != null && self == Global.instance().getDatePrototype()) { |
| return Global.instance().getDefaultDate(); |
| } else { |
| throw typeError("not.a.date", ScriptRuntime.safeToString(self)); |
| } |
| } |
| |
| private static double getField(final Object self, final int field) { |
| final NativeDate nd = getNativeDate(self); |
| return (nd != null && nd.isValidDate()) ? (double)valueFromTime(field, nd.getLocalTime()) : Double.NaN; |
| } |
| |
| private static double getUTCField(final Object self, final int field) { |
| final NativeDate nd = getNativeDate(self); |
| return (nd != null && nd.isValidDate()) ? (double)valueFromTime(field, nd.getTime()) : Double.NaN; |
| } |
| |
| private static void setFields(final NativeDate nd, final int fieldId, final Object[] args, final boolean local) { |
| int start, length; |
| if (fieldId < HOUR) { |
| start = YEAR; |
| length = 3; |
| } else { |
| start = HOUR; |
| length = 4; |
| } |
| final double time = local ? nd.getLocalTime() : nd.getTime(); |
| final double d[] = convertArgs(args, time, fieldId, start, length); |
| |
| if (! nd.isValidDate()) { |
| return; |
| } |
| |
| double newTime; |
| if (d == null) { |
| newTime = NaN; |
| } else { |
| if (start == YEAR) { |
| newTime = makeDate(makeDay(d[0], d[1], d[2]), timeWithinDay(time)); |
| } else { |
| newTime = makeDate(day(time), makeTime(d[0], d[1], d[2], d[3])); |
| } |
| if (local) { |
| newTime = utc(newTime, nd.getTimeZone()); |
| } |
| newTime = timeClip(newTime); |
| } |
| nd.setTime(newTime); |
| } |
| |
| private boolean isValidDate() { |
| return !isNaN(time); |
| } |
| |
| private double getLocalTime() { |
| return localTime(time, timezone); |
| } |
| |
| private double getTime() { |
| return time; |
| } |
| |
| private void setTime(final double time) { |
| this.time = time; |
| } |
| |
| private TimeZone getTimeZone() { |
| return timezone; |
| } |
| } |
