/**
* 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,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();
}
/**
* 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,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,self)) {
result.defineOwnProperty(ArrayIndex.getArrayIndex(to++),val);
}
return true;
}
}.apply();
}
项目：openjdk-jdk10
文件：NativeArray.java
/**
* ECMA 15.4.4.19 array.prototype.map ( callbackfn [,final double i) throws Throwable {
final Object r = mapInvoker.invokeExact(callbackfn,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();
}
项目：openjdk-jdk10
文件：NativeArray.java
/**
* ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [,final double i) throws Throwable {
if ((boolean)filterInvoker.invokeExact(callbackfn,val);
}
return true;
}
}.apply();
}
@Override
public void populaterange(final MethodEmitter method,final Type objectType,final int objectSlot,final int start,final int end) {
method.load(objectType,objectSlot);
// Set values.
for (int i = start; i < end; i++) {
final MapTuple<T> tuple = tuples.get(i);
//we only load when we have both symbols and values (which can be == the symbol)
//if we didn't load,we need an array property
if (tuple.symbol != null && tuple.value != null) {
final int index = getArrayIndex(tuple.key);
method.dup();
if (!isValidArrayIndex(index)) {
putField(method,tuple.key,tuple.symbol.getFieldindex(),tuple);
} else {
putSlot(method,ArrayIndex.toLongIndex(index),tuple);
}
//this is a nop of tuple.key isn't e.g. "apply" or another special name
method.invalidateSpecialName(tuple.key);
}
}
}
项目：openjdk9
文件：NativeArray.java
/**
* ECMA 15.4.4.19 array.prototype.map ( callbackfn [,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();
}
项目：openjdk9
文件：NativeArray.java
/**
* ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [,val);
}
return true;
}
}.apply();
}
项目：kaziranga
文件：NativeArray.java
/**
* ECMA 15.4.4.19 array.prototype.map ( callbackfn [,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();
}
项目：kaziranga
文件：NativeArray.java
/**
* ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [,val);
}
return true;
}
}.apply();
}
项目：lookaside_java-1.8.0-openjdk
文件：NativeArray.java
/**
* ECMA 15.4.4.19 array.prototype.map ( callbackfn [,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();
}
项目：lookaside_java-1.8.0-openjdk
文件：NativeArray.java
/**
* ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [,val);
}
return true;
}
}.apply();
}
项目：jdk8u_nashorn
文件：NativeArray.java
/**
* ECMA 15.4.4.19 array.prototype.map ( callbackfn [,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();
}
项目：jdk8u_nashorn
文件：NativeArray.java
/**
* ECMA 15.4.4.20 Array.prototype.filter ( callbackfn [,val);
}
return true;
}
}.apply();
}
@SuppressWarnings("unused")
private static Object get(final Object self,final Object key) {
final CharSequence cs = JSType.tocharSequence(self);
final Object primitiveKey = JSType.toPrimitive(key,String.class);
final int index = ArrayIndex.getArrayIndex(primitiveKey);
if (index >= 0 && index < cs.length()) {
return String.valueOf(cs.charat(index));
}
return ((ScriptObject) Global.toObject(self)).get(primitiveKey);
}
@Override
public Object get(final Object key) {
final Object primitiveKey = JSType.toPrimitive(key,String.class);
final int index = ArrayIndex.getArrayIndex(primitiveKey);
if (index >= 0 && index < value.length()) {
return String.valueOf(value.charat(index));
}
return super.get(primitiveKey);
}
@Override
public Object getownPropertyDescriptor(final String key) {
final int index = ArrayIndex.getArrayIndex(key);
if (index >= 0 && index < value.length()) {
final Global global = Global.instance();
return global.newDataDescriptor(String.valueOf(value.charat(index)),false,true,false);
}
return super.getownPropertyDescriptor(key);
}
/**
* ECMA 15.4.5.1 [[DefineOwnProperty]] ( P,Desc,Throw ) as specialized in
* ECMA 10.6 for Arguments object.
*/
@Override
public boolean defineOwnProperty(final String key,final Object propertyDesc,final boolean reject) {
final int index = ArrayIndex.getArrayIndex(key);
if (index >= 0) {
final boolean isMapped = isMapped(index);
final Object oldValue = isMapped ? getArray().getobject(index) : null;
if (!super.defineOwnProperty(key,propertyDesc,false)) {
if (reject) {
throw typeError("cant.redefine.property",key,ScriptRuntime.safetoString(this));
}
return false;
}
if (isMapped) {
// When mapped argument is redefined,if new descriptor is accessor property
// or data-non-writable property,we have to "unmap" (unlink).
final PropertyDescriptor desc = toPropertyDescriptor(Global.instance(),propertyDesc);
if (desc.type() == PropertyDescriptor.ACCESSOR) {
setDeleted(index,oldValue);
} else if (desc.has(PropertyDescriptor.WRITABLE) && !desc.isWritable()) {
// delete and set value from new descriptor if it has one,otherwise use old value
setDeleted(index,desc.has(PropertyDescriptor.VALUE) ? desc.getValue() : oldValue);
} else if (desc.has(PropertyDescriptor.VALUE)) {
setArray(getArray().set(index,desc.getValue(),false));
}
}
return true;
}
return super.defineOwnProperty(key,reject);
}
/**
* ECMA 15.4.4.10 Array.prototype.slice ( start [,end ] )
*
* @param self self reference
* @param start start of slice (inclusive)
* @param end end of slice (optional,exclusive)
* @return sliced array
*/
@Function(attributes = Attribute.NOT_ENUMERABLE)
public static Object slice(final Object self,final Object start,final Object end) {
final Object obj = Global.toObject(self);
if (!(obj instanceof ScriptObject)) {
return ScriptRuntime.UNDEFINED;
}
final ScriptObject sobj = (ScriptObject)obj;
final long len = JSType.toUint32(sobj.getLength());
final long relativeStart = JSType.toLong(start);
final long relativeEnd = end == ScriptRuntime.UNDEFINED ? len : JSType.toLong(end);
long k = relativeStart < 0 ? Math.max(len + relativeStart,0) : Math.min(relativeStart,len);
final long finale = relativeEnd < 0 ? Math.max(len + relativeEnd,0) : Math.min(relativeEnd,len);
if (k >= finale) {
return new NativeArray(0);
}
if (bulkable(sobj)) {
return new NativeArray(sobj.getArray().slice(k,finale));
}
// Construct array with proper length to have a deleted filter on undefined elements
final NativeArray copy = new NativeArray(finale - k);
for (long n = 0; k < finale; n++,k++) {
if (sobj.has(k)) {
copy.defineOwnProperty(ArrayIndex.getArrayIndex(n),sobj.get(k));
}
}
return copy;
}
private static void setPropertyValue(final ScriptObject sobj,final String name,final Object value) {
final int index = ArrayIndex.getArrayIndex(name);
if (ArrayIndex.isValidArrayIndex(index)) {
// array index key
sobj.defineOwnProperty(index,value);
} else if (sobj.getMap().findProperty(name) != null) {
// pre-existing non-inherited property,call set
sobj.set(name,value,0);
} else {
// add new property
sobj.addOwnProperty(name,Property.WRITABLE_ENUMERABLE_CONfigURABLE,value);
}
}
private void doesNotHave(final int index,final int value,final int callSiteFlags) {
final long oldLength = getArray().length();
final long longIndex = ArrayIndex.toLongIndex(index);
if (!doesNotHaveCheckArrayKeys(longIndex,callSiteFlags) && !doesNotHaveEnsureLength(longIndex,oldLength,callSiteFlags)) {
final boolean strict = isstrictFlag(callSiteFlags);
setArray(getArray().set(index,strict));
doesNotHaveEnsureDelete(longIndex,strict);
}
}
private void doesNotHave(final int index,final long value,final double value,final Object value,strict);
}
}
private boolean hasArrayProperty(final int index) {
boolean hasArrayKeys = false;
for (ScriptObject self = this; self != null; self = self.getProto()) {
if (self.getArray().has(index)) {
return true;
}
hasArrayKeys = hasArrayKeys || self.getMap().containsArrayKeys();
}
return hasArrayKeys && hasProperty(ArrayIndex.toKey(index),true);
}
项目：openjdk-jdk10
文件：JSONParser.java
private static ArrayData addArrayElement(final ArrayData arrayData,final int index,final Object value) {
final long oldLength = arrayData.length();
final long longIndex = ArrayIndex.toLongIndex(index);
ArrayData newArrayData = arrayData;
if (longIndex >= oldLength) {
newArrayData = newArrayData.ensure(longIndex);
if (longIndex > oldLength) {
newArrayData = newArrayData.delete(oldLength,longIndex - 1);
}
}
return newArrayData.set(index,false);
}
项目：openjdk-jdk10
文件：NativeString.java
@SuppressWarnings("unused")
private static Object get(final Object self,String.class);
final int index = ArrayIndex.getArrayIndex(primitiveKey);
if (index >= 0 && index < cs.length()) {
return String.valueOf(cs.charat(index));
}
return ((ScriptObject) Global.toObject(self)).get(primitiveKey);
}
项目：openjdk-jdk10
文件：NativeString.java
@Override
public Object get(final Object key) {
final Object primitiveKey = JSType.toPrimitive(key,String.class);
final int index = ArrayIndex.getArrayIndex(primitiveKey);
if (index >= 0 && index < value.length()) {
return String.valueOf(value.charat(index));
}
return super.get(primitiveKey);
}
项目：openjdk-jdk10
文件：NativeString.java
@Override
public Object getownPropertyDescriptor(final Object key) {
final int index = ArrayIndex.getArrayIndex(key);
if (index >= 0 && index < value.length()) {
final Global global = Global.instance();
return global.newDataDescriptor(String.valueOf(value.charat(index)),false);
}
return super.getownPropertyDescriptor(key);
}
项目：openjdk-jdk10
文件：NativeArguments.java
/**
* ECMA 15.4.5.1 [[DefineOwnProperty]] ( P,Throw ) as specialized in
* ECMA 10.6 for Arguments object.
*/
@Override
public boolean defineOwnProperty(final Object key,key.toString(),reject);
}
项目：openjdk-jdk10
文件：NativeArray.java
/**
* ECMA 15.4.4.10 Array.prototype.slice ( start [,sobj.get(k));
}
}
return copy;
}
项目：openjdk-jdk10
文件：JSONFunctions.java
private static void setPropertyValue(final ScriptObject sobj,value);
}
}
项目：openjdk-jdk10
文件：ScriptObject.java
private void doesNotHave(final int index,strict).safeDelete(oldLength,longIndex - 1,strict));
}
}
项目：openjdk-jdk10
文件：ScriptObject.java
private void doesNotHave(final int index,strict));
}
}
项目：openjdk-jdk10
文件：ScriptObject.java
private boolean hasArrayProperty(final int index) {
boolean hasArrayKeys = false;
for (ScriptObject self = this; self != null; self = self.getProto()) {
if (self.getArray().has(index)) {
return true;
}
hasArrayKeys = hasArrayKeys || self.getMap().containsArrayKeys();
}
return hasArrayKeys && hasProperty(ArrayIndex.toKey(index),true);
}
项目：openjdk9
文件：JSONParser.java
private static ArrayData addArrayElement(final ArrayData arrayData,false);
}
项目：openjdk9
文件：NativeString.java
@SuppressWarnings("unused")
private static Object get(final Object self,String.class);
final int index = ArrayIndex.getArrayIndex(primitiveKey);
if (index >= 0 && index < cs.length()) {
return String.valueOf(cs.charat(index));
}
return ((ScriptObject) Global.toObject(self)).get(primitiveKey);
}