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jdk.nashorn.internal.runtime.arrays.ArrayIndex的实例源码

分类：Java实例代码作者：编程之家AI导航网
项目：Openjsharp    文件：NativeArray.java    
/**
 * 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();
}
项目：Openjsharp    文件：NativeArray.java    
/**
 * 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();
}
项目：openjdk-jdk10    文件：FieldobjectCreator.java    
@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：openjdk9    文件：FieldobjectCreator.java    
@Override
public void populaterange(final MethodEmitter method,tuple);
            }

            //this is a nop of tuple.key isn't e.g. "apply" or another special name
            method.invalidateSpecialName(tuple.key);
        }
    }
}
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：FieldobjectCreator.java    
@Override
public void populaterange(final MethodEmitter method,tuple);
            }

            //this is a nop of tuple.key isn't e.g. "apply" or another special name
            method.invalidateSpecialName(tuple.key);
        }
    }
}
项目：lookaside_java-1.8.0-openjdk    文件：FieldobjectCreator.java    
@Override
public void populaterange(final MethodEmitter method,tuple);
            }

            //this is a nop of tuple.key isn't e.g. "apply" or another special name
            method.invalidateSpecialName(tuple.key);
        }
    }
}
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();
}
项目：Openjsharp    文件：NativeString.java    
@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);
}
项目：Openjsharp    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：Openjsharp    文件：NativeString.java    
@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);
}
项目：Openjsharp    文件：NativeArguments.java    
/**
 * 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);
}
项目：Openjsharp    文件：NativeArray.java    
/**
 * 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;
}
项目：Openjsharp    文件：JSONFunctions.java    
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);
    }
}
项目：Openjsharp    文件：ScriptObject.java    
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);
    }
}
项目：Openjsharp    文件：ScriptObject.java    
private void doesNotHave(final int index,final long value,final double value,final Object value,strict);
    }
}
项目：Openjsharp    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：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);
}

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