jdk.nashorn.internal.runtime.arrays.IteratorAction Java Examples

The following examples show how to use jdk.nashorn.internal.runtime.arrays.IteratorAction. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: NativeArray.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #2
Source File: NativeArray.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #3
Source File: NativeArray.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #4
Source File: NativeArray.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #5
Source File: NativeArray.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #6
Source File: NativeArray.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #7
Source File: NativeArray.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #8
Source File: NativeArray.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #9
Source File: NativeArray.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #10
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #11
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #12
Source File: NativeArray.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #13
Source File: NativeArray.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #14
Source File: NativeArray.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #15
Source File: NativeArray.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #16
Source File: NativeArray.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #17
Source File: NativeArray.java    From nashorn with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #18
Source File: NativeArray.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #19
Source File: NativeArray.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.19 Array.prototype.map ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return array with elements transformed by map function
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static NativeArray map(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, null) {
        private final MethodHandle mapInvoker = getMAP_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            final Object r = mapInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            result.defineOwnProperty(ArrayIndex.getArrayIndex(index), r);
            return true;
        }

        @Override
        public void applyLoopBegin(final ArrayLikeIterator<Object> iter0) {
            // map return array should be of same length as source array
            // even if callback reduces source array length
            result = new NativeArray(iter0.getLength());
        }
    }.apply();
}
Example #20
Source File: NativeArray.java    From nashorn with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return filtered array
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object filter(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<NativeArray>(Global.toObject(self), callbackfn, thisArg, new NativeArray()) {
        private long to = 0;
        private final MethodHandle filterInvoker = getFILTER_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            if ((boolean)filterInvoker.invokeExact(callbackfn, thisArg, val, i, self)) {
                result.defineOwnProperty(ArrayIndex.getArrayIndex(to++), val);
            }
            return true;
        }
    }.apply();
}
Example #21
Source File: NativeArray.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
private static boolean applyEvery(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<Boolean>(Global.toObject(self), callbackfn, thisArg, true) {
        private final MethodHandle everyInvoker = getEVERY_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            return (result = (boolean)everyInvoker.invokeExact(callbackfn, thisArg, val, i, self));
        }
    }.apply();
}
Example #22
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up 
private static boolean applyEvery(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<Boolean>(Global.toObject(self), callbackfn, thisArg, true) {
        private final MethodHandle everyInvoker = getEVERY_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            return result = (boolean)everyInvoker.invokeExact(callbackfn, thisArg, val, i, self);
        }
    }.apply();
}
Example #23
Source File: NativeArray.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
private static Object reduceInner(final ArrayLikeIterator<Object> iter, final Object self, final Object... args) {
    final Object  callbackfn          = args.length > 0 ? args[0] : ScriptRuntime.UNDEFINED;
    final boolean initialValuePresent = args.length > 1;

    Object initialValue = initialValuePresent ? args[1] : ScriptRuntime.UNDEFINED;

    if (callbackfn == ScriptRuntime.UNDEFINED) {
        throw typeError("not.a.function", "undefined");
    }

    if (!initialValuePresent) {
        if (iter.hasNext()) {
            initialValue = iter.next();
        } else {
            throw typeError("array.reduce.invalid.init");
        }
    }

    //if initial value is ScriptRuntime.UNDEFINED - step forward once.
    return new IteratorAction<Object>(Global.toObject(self), callbackfn, ScriptRuntime.UNDEFINED, initialValue, iter) {
        private final MethodHandle reduceInvoker = getREDUCE_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            // TODO: why can't I declare the second arg as Undefined.class?
            result = reduceInvoker.invokeExact(callbackfn, ScriptRuntime.UNDEFINED, result, val, i, self);
            return true;
        }
    }.apply();
}
Example #24
Source File: NativeArray.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * ECMA 15.4.4.18 Array.prototype.forEach ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return undefined
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object forEach(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<Object>(Global.toObject(self), callbackfn, thisArg, ScriptRuntime.UNDEFINED) {
        private final MethodHandle forEachInvoker = getFOREACH_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            forEachInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            return true;
        }
    }.apply();
}
Example #25
Source File: NativeArray.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * ECMA 15.4.4.17 Array.prototype.some ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return true if callback function returned true for any element in the array, false otherwise
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object some(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<Boolean>(Global.toObject(self), callbackfn, thisArg, false) {
        private final MethodHandle someInvoker = getSOME_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            return !(result = (boolean)someInvoker.invokeExact(callbackfn, thisArg, val, i, self));
        }
    }.apply();
}
Example #26
Source File: NativeArray.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * ECMA 15.4.4.17 Array.prototype.some ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return true if callback function returned true for any element in the array, false otherwise
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object some(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<Boolean>(Global.toObject(self), callbackfn, thisArg, false) {
        private final MethodHandle someInvoker = getSOME_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            return !(result = (boolean)someInvoker.invokeExact(callbackfn, thisArg, val, i, self));
        }
    }.apply();
}
Example #27
Source File: NativeArray.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * ECMA 15.4.4.18 Array.prototype.forEach ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return undefined
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static Object forEach(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<Object>(Global.toObject(self), callbackfn, thisArg, ScriptRuntime.UNDEFINED) {
        private final MethodHandle forEachInvoker = getFOREACH_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            forEachInvoker.invokeExact(callbackfn, thisArg, val, i, self);
            return true;
        }
    }.apply();
}
Example #28
Source File: NativeArray.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
private static Object reduceInner(final ArrayLikeIterator<Object> iter, final Object self, final Object... args) {
    final Object  callbackfn          = args.length > 0 ? args[0] : ScriptRuntime.UNDEFINED;
    final boolean initialValuePresent = args.length > 1;

    Object initialValue = initialValuePresent ? args[1] : ScriptRuntime.UNDEFINED;

    if (callbackfn == ScriptRuntime.UNDEFINED) {
        throw typeError("not.a.function", "undefined");
    }

    if (!initialValuePresent) {
        if (iter.hasNext()) {
            initialValue = iter.next();
        } else {
            throw typeError("array.reduce.invalid.init");
        }
    }

    //if initial value is ScriptRuntime.UNDEFINED - step forward once.
    return new IteratorAction<Object>(Global.toObject(self), callbackfn, ScriptRuntime.UNDEFINED, initialValue, iter) {
        private final MethodHandle reduceInvoker = getREDUCE_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final long i) throws Throwable {
            // TODO: why can't I declare the second arg as Undefined.class?
            result = reduceInvoker.invokeExact(callbackfn, ScriptRuntime.UNDEFINED, result, val, i, self);
            return true;
        }
    }.apply();
}
Example #29
Source File: NativeArray.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
private static boolean applyEvery(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<Boolean>(Global.toObject(self), callbackfn, thisArg, true) {
        private final MethodHandle everyInvoker = getEVERY_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            return result = (boolean)everyInvoker.invokeExact(callbackfn, thisArg, val, i, self);
        }
    }.apply();
}
Example #30
Source File: NativeArray.java    From jdk8u_nashorn with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * ECMA 15.4.4.17 Array.prototype.some ( callbackfn [ , thisArg ] )
 *
 * @param self        self reference
 * @param callbackfn  callback function per element
 * @param thisArg     this argument
 * @return true if callback function returned true for any element in the array, false otherwise
 */
@Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
public static boolean some(final Object self, final Object callbackfn, final Object thisArg) {
    return new IteratorAction<Boolean>(Global.toObject(self), callbackfn, thisArg, false) {
        private final MethodHandle someInvoker = getSOME_CALLBACK_INVOKER();

        @Override
        protected boolean forEach(final Object val, final double i) throws Throwable {
            return !(result = (boolean)someInvoker.invokeExact(callbackfn, thisArg, val, i, self));
        }
    }.apply();
}