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-/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- *
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Rhino code, released
- * May 6, 1999.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1997-1999
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Bob Jervis
- *
- * Alternatively, the contents of this file may be used under the terms of
- * the GNU General Public License Version 2 or later (the "GPL"), in which
- * case the provisions of the GPL are applicable instead of those above. If
- * you wish to allow use of your version of this file only under the terms of
- * the GPL and not to allow others to use your version of this file under the
- * MPL, indicate your decision by deleting the provisions above and replacing
- * them with the notice and other provisions required by the GPL. If you do
- * not delete the provisions above, a recipient may use your version of this
- * file under either the MPL or the GPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-// API class
-
-package org.mozilla.javascript;
-
-public interface ConstProperties {
- /**
- * Sets a named const property in this object.
- * <p>
- * The property is specified by a string name
- * as defined for <code>Scriptable.get</code>.
- * <p>
- * The possible values that may be passed in are as defined for
- * <code>Scriptable.get</code>. A class that implements this method may choose
- * to ignore calls to set certain properties, in which case those
- * properties are effectively read-only.<p>
- * For properties defined in a prototype chain,
- * use <code>putProperty</code> in ScriptableObject. <p>
- * Note that if a property <i>a</i> is defined in the prototype <i>p</i>
- * of an object <i>o</i>, then evaluating <code>o.a = 23</code> will cause
- * <code>set</code> to be called on the prototype <i>p</i> with
- * <i>o</i> as the <i>start</i> parameter.
- * To preserve JavaScript semantics, it is the Scriptable
- * object's responsibility to modify <i>o</i>. <p>
- * This design allows properties to be defined in prototypes and implemented
- * in terms of getters and setters of Java values without consuming slots
- * in each instance.<p>
- * <p>
- * The values that may be set are limited to the following:
- * <UL>
- * <LI>java.lang.Boolean objects</LI>
- * <LI>java.lang.String objects</LI>
- * <LI>java.lang.Number objects</LI>
- * <LI>org.mozilla.javascript.Scriptable objects</LI>
- * <LI>null</LI>
- * <LI>The value returned by Context.getUndefinedValue()</LI>
- * </UL><p>
- * Arbitrary Java objects may be wrapped in a Scriptable by first calling
- * <code>Context.toObject</code>. This allows the property of a JavaScript
- * object to contain an arbitrary Java object as a value.<p>
- * Note that <code>has</code> will be called by the runtime first before
- * <code>set</code> is called to determine in which object the
- * property is defined.
- * Note that this method is not expected to traverse the prototype chain,
- * which is different from the ECMA [[Put]] operation.
- * @param name the name of the property
- * @param start the object whose property is being set
- * @param value value to set the property to
- * @see org.mozilla.javascript.Scriptable#has(String, Scriptable)
- * @see org.mozilla.javascript.Scriptable#get(String, Scriptable)
- * @see org.mozilla.javascript.ScriptableObject#putProperty(Scriptable, String, Object)
- * @see org.mozilla.javascript.Context#toObject(Object, Scriptable)
- */
- public void putConst(String name, Scriptable start, Object value);
-
- /**
- * Reserves a definition spot for a const. This will set up a definition
- * of the const property, but set its value to undefined. The semantics of
- * the start parameter is the same as for putConst.
- * @param name The name of the property.
- * @param start The object whose property is being reserved.
- */
- public void defineConst(String name, Scriptable start);
-
- /**
- * Returns true if the named property is defined as a const on this object.
- * @param name
- * @return true if the named property is defined as a const, false
- * otherwise.
- */
- public boolean isConst(String name);
-}