本文整理汇总了Java中jdk.nashorn.internal.runtime.arrays.IteratorAction类的典型用法代码示例。如果您正苦于以下问题：Java IteratorAction类的具体用法？Java IteratorAction怎么用？Java IteratorAction使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
IteratorAction类属于jdk.nashorn.internal.runtime.arrays包，在下文中一共展示了IteratorAction类的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: map
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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();
}
示例2: filter
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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();
}
示例3: map
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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();
}
示例4: filter
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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();
}
示例5: map
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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();
}
示例6: filter
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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();
}
示例7: applyEvery
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
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();
}
示例8: some
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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 long i) throws Throwable {
return !(result = (boolean)someInvoker.invokeExact(callbackfn, thisArg, val, i, self));
}
}.apply();
}
示例9: forEach
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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();
}
示例10: reduceInner
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
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();
}
示例11: applyEvery
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
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();
}
示例12: some
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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();
}
示例13: forEach
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
/**
* 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 double i) throws Throwable {
forEachInvoker.invokeExact(callbackfn, thisArg, val, i, self);
return true;
}
}.apply();
}
示例14: reduceInner
import jdk.nashorn.internal.runtime.arrays.IteratorAction; //导入依赖的package包/类
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 double 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();
}