Java Code Examples for jdk.nashorn.internal.objects.annotations.Where#CONSTRUCTOR

/**
 * Nashorn extension: Error.captureStackTrace. Capture stack trace at the point of call into the Error object provided.
 *
 * @param self self reference
 * @param errorObj the error object
 * @return undefined
 */
@SuppressWarnings("unused")
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object captureStackTrace(final Object self, final Object errorObj) {
    Global.checkObject(errorObj);
    final ScriptObject sobj = (ScriptObject)errorObj;
    new ECMAException(sobj, null); //constructor has side effects
    sobj.delete("stack", false);
    final ScriptFunction getStack = ScriptFunctionImpl.makeFunction("getStack", GET_STACK);
    final ScriptFunction setStack = ScriptFunctionImpl.makeFunction("setStack", SET_STACK);
    sobj.addOwnProperty("stack", Attribute.NOT_ENUMERABLE, getStack, setStack);
    return UNDEFINED;
}
 

/**
 * Expands the event queue capacity, or truncates if capacity is lower than
 * current capacity. Then only the newest entries are kept
 * @param self self reference
 * @param newCapacity new capacity
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static void expandEventQueueCapacity(final Object self, final Object newCapacity) {
    final LinkedList<RuntimeEvent<?>> q = getEventQueue(self);
    final int nc = JSType.toInt32(newCapacity);
    while (q.size() > nc) {
        q.removeFirst();
    }
    setEventQueueCapacity(self, nc);
}
 

/**
 * ECMA 15.2.3.12 Object.isFrozen ( O )
 *
 * @param self self reference
 * @param obj check whether an object
 * @return true if object is frozen, false otherwise
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static boolean isFrozen(final Object self, final Object obj) {
    if (obj instanceof ScriptObject) {
        return ((ScriptObject)obj).isFrozen();
    } else if (obj instanceof ScriptObjectMirror) {
        return ((ScriptObjectMirror)obj).isFrozen();
    } else {
        throw notAnObject(obj);
    }
}
 

/**
 * ECMA 15.2.3.9 Object.freeze ( O )
 *
 * @param self self reference
 * @param obj object to freeze
 * @return frozen object
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object freeze(final Object self, final Object obj) {
    if (obj instanceof ScriptObject) {
        return ((ScriptObject)obj).freeze();
    } else if (obj instanceof ScriptObjectMirror) {
        return ((ScriptObjectMirror)obj).freeze();
    } else {
        throw notAnObject(obj);
    }
}
 

/**
 * ECMA 15.2.3.8 Object.seal ( O )
 *
 * @param self self reference
 * @param obj  object to seal
 * @return sealed object
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object seal(final Object self, final Object obj) {
    if (obj instanceof ScriptObject) {
        return ((ScriptObject)obj).seal();
    } else if (obj instanceof ScriptObjectMirror) {
        return ((ScriptObjectMirror)obj).seal();
    } else {
        throw notAnObject(obj);
    }
}
 

/**
 * 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;
}
 

/**
 * Add a runtime event to the runtime event queue. The queue has a fixed
 * size {@link RuntimeEvent#RUNTIME_EVENT_QUEUE_SIZE} and the oldest
 * entry will be thrown out of the queue is about to overflow
 * @param self self reference
 * @param event event to add
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static void addRuntimeEvent(final Object self, final Object event) {
    final LinkedList<RuntimeEvent<?>> q = getEventQueue(self);
    final int cap = (Integer)getEventQueueCapacity(self);
    while (q.size() >= cap) {
        q.removeFirst();
    }
    q.addLast(getEvent(event));
}
 

/**
 * ECMA 15.2.3.8 Object.seal ( O )
 *
 * @param self self reference
 * @param obj  object to seal
 * @return sealed object
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object seal(final Object self, final Object obj) {
    if (obj instanceof ScriptObject) {
        return ((ScriptObject)obj).seal();
    } else if (obj instanceof ScriptObjectMirror) {
        return ((ScriptObjectMirror)obj).seal();
    } else {
        throw notAnObject(obj);
    }
}
 

/**
 * Return the ArrayData class for this ScriptObject
 * @param self self
 * @param obj script object to check
 * @return ArrayData class, or undefined if no ArrayData is present
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object getArrayDataClass(final Object self, final Object obj) {
    try {
        return ((ScriptObject)obj).getArray().getClass();
    } catch (final ClassCastException e) {
        return ScriptRuntime.UNDEFINED;
    }
}
 

/**
 * Getter for non-standard RegExp.$8 property.
 * @param self self object
 * @return last regexp input
 */
@Getter(where = Where.CONSTRUCTOR, attributes = Attribute.CONSTANT, name = "$8")
public static Object getGroup8(final Object self) {
    final RegExpResult match = Global.instance().getLastRegExpResult();
    return match == null ? "" : match.getGroup(8);
}
 

/**
 * Getter for non-standard RegExp.$5 property.
 * @param self self object
 * @return last regexp input
 */
@Getter(where = Where.CONSTRUCTOR, attributes = Attribute.CONSTANT, name = "$5")
public static Object getGroup5(final Object self) {
    final RegExpResult match = Global.instance().getLastRegExpResult();
    return match == null ? "" : match.getGroup(5);
}
 

/**
 * Getter for non-standard RegExp.$6 property.
 * @param self self object
 * @return last regexp input
 */
@Getter(where = Where.CONSTRUCTOR, attributes = Attribute.CONSTANT, name = "$6")
public static Object getGroup6(final Object self) {
    final RegExpResult match = Global.instance().getLastRegExpResult();
    return match == null ? "" : match.getGroup(6);
}
 

/**
 * Getter for non-standard RegExp.$8 property.
 * @param self self object
 * @return last regexp input
 */
@Getter(where = Where.CONSTRUCTOR, attributes = Attribute.CONSTANT, name = "$8")
public static Object getGroup8(Object self) {
    final RegExpResult match = Global.instance().getLastRegExpResult();
    return match == null ? "" : match.getGroup(8);
}
 

/**
 * Returns a diagnostic string representing the difference of two property maps.
 * @param self self
 * @param m1 first property map
 * @param m2 second property map
 * @return a diagnostic string representing the difference of two property maps.
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object diffPropertyMaps(final Object self, final Object m1, final Object m2) {
    return PropertyMap.diff((PropertyMap)m1, (PropertyMap)m2);
}
 

/**
 * ECMA 15.8.2.9 floor(x)
 *
 * @param self  self reference
 * @param x     argument
 *
 * @return floor of argument
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static double floor(final Object self, final Object x) {
    return Math.floor(JSType.toNumber(x));
}
 

/**
 * 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 long now(final Object self) {
    return System.currentTimeMillis();
}
 

/**
 * ECMA 15.8.2.14 random()
 *
 * @param self  self reference
 *
 * @return random number in the range [0..1)
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static double random(final Object self) {
    return Math.random();
}
 

/**
 * ECMA 15.8.2.10 log(x)
 *
 * @param self  self reference
 * @param x     argument
 *
 * @return log of argument
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static Object log(final Object self, final Object x) {
    return Math.log(JSType.toNumber(x));
}
 

/**
 * ECMA 15.8.2.16 sin(x)
 *
 * @param self  self reference
 * @param x     argument
 *
 * @return sin of x
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
public static double sin(final Object self, final Object x) {
    return Math.sin(JSType.toNumber(x));
}
 

/**
 * ECMA 15.8.2.18 tan(x)
 *
 * @param self  self reference
 * @param x     argument
 *
 * @return tan of x
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, where=Where.CONSTRUCTOR)
public static double tan(final Object self, final Object x) {
    return Math.tan(JSType.toNumber(x));
}