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/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.nashorn.internal.objects;
import static jdk.nashorn.internal.runtime.ScriptRuntime.sameValue;
import java.util.Objects;
import jdk.nashorn.internal.objects.annotations.Property;
import jdk.nashorn.internal.objects.annotations.ScriptClass;
import jdk.nashorn.internal.runtime.JSType;
import jdk.nashorn.internal.runtime.PropertyDescriptor;
import jdk.nashorn.internal.runtime.PropertyMap;
import jdk.nashorn.internal.runtime.ScriptFunction;
import jdk.nashorn.internal.runtime.ScriptObject;
/**
* Data Property descriptor is used to represent attributes an object property
* that has data value (instead of a getter or setter function).
*
* See ECMA 8.10 The Property Descriptor and Property Identifier Specification Types
*
*/
@ScriptClass("DataPropertyDescriptor")
public final class DataPropertyDescriptor extends ScriptObject implements PropertyDescriptor {
/** is this property configurable */
@Property
public Object configurable;
/** is this property enumerable */
@Property
public Object enumerable;
/** is this property writable */
@Property
public Object writable;
/** value of this property */
@Property
public Object value;
// initialized by nasgen
private static PropertyMap $nasgenmap$;
DataPropertyDescriptor(final boolean configurable, final boolean enumerable, final boolean writable, final Object value, final Global global) {
super(global.getObjectPrototype(), $nasgenmap$);
this.configurable = configurable;
this.enumerable = enumerable;
this.writable = writable;
this.value = value;
}
@Override
public boolean isConfigurable() {
return JSType.toBoolean(configurable);
}
@Override
public boolean isEnumerable() {
return JSType.toBoolean(enumerable);
}
@Override
public boolean isWritable() {
return JSType.toBoolean(writable);
}
@Override
public Object getValue() {
return value;
}
@Override
public ScriptFunction getGetter() {
throw new UnsupportedOperationException("getter");
}
@Override
public ScriptFunction getSetter() {
throw new UnsupportedOperationException("setter");
}
@Override
public void setConfigurable(final boolean flag) {
this.configurable = flag;
}
@Override
public void setEnumerable(final boolean flag) {
this.enumerable = flag;
}
@Override
public void setWritable(final boolean flag) {
this.writable = flag;
}
@Override
public void setValue(final Object value) {
this.value = value;
}
@Override
public void setGetter(final Object getter) {
throw new UnsupportedOperationException("set getter");
}
@Override
public void setSetter(final Object setter) {
throw new UnsupportedOperationException("set setter");
}
@Override
public PropertyDescriptor fillFrom(final ScriptObject sobj) {
if (sobj.has(CONFIGURABLE)) {
this.configurable = JSType.toBoolean(sobj.get(CONFIGURABLE));
} else {
delete(CONFIGURABLE, false);
}
if (sobj.has(ENUMERABLE)) {
this.enumerable = JSType.toBoolean(sobj.get(ENUMERABLE));
} else {
delete(ENUMERABLE, false);
}
if (sobj.has(WRITABLE)) {
this.writable = JSType.toBoolean(sobj.get(WRITABLE));
} else {
delete(WRITABLE, false);
}
if (sobj.has(VALUE)) {
this.value = sobj.get(VALUE);
} else {
delete(VALUE, false);
}
return this;
}
@Override
public int type() {
return DATA;
}
@Override
public boolean hasAndEquals(final PropertyDescriptor otherDesc) {
if (! (otherDesc instanceof DataPropertyDescriptor)) {
return false;
}
final DataPropertyDescriptor other = (DataPropertyDescriptor)otherDesc;
return (!has(CONFIGURABLE) || sameValue(configurable, other.configurable)) &&
(!has(ENUMERABLE) || sameValue(enumerable, other.enumerable)) &&
(!has(WRITABLE) || sameValue(writable, other.writable)) &&
(!has(VALUE) || sameValue(value, other.value));
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (! (obj instanceof DataPropertyDescriptor)) {
return false;
}
final DataPropertyDescriptor other = (DataPropertyDescriptor)obj;
return sameValue(configurable, other.configurable) &&
sameValue(enumerable, other.enumerable) &&
sameValue(writable, other.writable) &&
sameValue(value, other.value);
}
@Override
public String toString() {
return '[' + getClass().getSimpleName() + " {configurable=" + configurable + " enumerable=" + enumerable + " writable=" + writable + " value=" + value + "}]";
}
@Override
public int hashCode() {
int hash = 5;
hash = 43 * hash + Objects.hashCode(this.configurable);
hash = 43 * hash + Objects.hashCode(this.enumerable);
hash = 43 * hash + Objects.hashCode(this.writable);
hash = 43 * hash + Objects.hashCode(this.value);
return hash;
}
}
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