1 /* 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.nashorn.internal.objects.annotations; 27 28 /** 29 * Attributes for JavaScript properties. The negative logic "NOT_xxx" is because the 30 * common case is to be writable, enumerable and configurable 31 */ 32 33 public interface Attribute { 34 /** Flag for non-writable properties */ 35 public static final int NOT_WRITABLE = jdk.nashorn.internal.runtime.Property.NOT_WRITABLE; 36 37 /** Flag for non-enumerable properties */ 38 public static final int NOT_ENUMERABLE = jdk.nashorn.internal.runtime.Property.NOT_ENUMERABLE; 39 40 /** Flag for non-configurable properties */ 41 public static final int NOT_CONFIGURABLE = jdk.nashorn.internal.runtime.Property.NOT_CONFIGURABLE; 42 43 /** 44 * Flag for accessor (getter/setter) properties as opposed to data properties. 45 * 46 * <p>This allows nasgen-created properties to behave like user-accessors. it should only be used for 47 * properties that are explicitly specified as accessor properties in the ECMAScript specification 48 * such as Map.prototype.size in ES6, not value properties that happen to be implemented by getter/setter 49 * such as the "length" properties of String or Array objects.</p> 50 */ 51 public static final int IS_ACCESSOR = jdk.nashorn.internal.runtime.Property.IS_ACCESSOR_PROPERTY; 52 53 /** Read-only, non-configurable property */ 54 public static final int CONSTANT = NOT_WRITABLE | NOT_CONFIGURABLE; 55 56 /** Non-enumerable, read-only, non-configurable property */ 57 public static final int NON_ENUMERABLE_CONSTANT = NOT_ENUMERABLE | CONSTANT; 58 59 /** By default properties are writable, enumerable and configurable */ 60 public static final int DEFAULT_ATTRIBUTES = 0; 61 } 62