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;
  27 
  28 import jdk.nashorn.internal.objects.annotations.Attribute;
  29 import jdk.nashorn.internal.objects.annotations.Getter;
  30 import jdk.nashorn.internal.objects.annotations.Property;
  31 import jdk.nashorn.internal.objects.annotations.ScriptClass;
  32 import jdk.nashorn.internal.objects.annotations.Setter;
  33 import jdk.nashorn.internal.runtime.JSType;
  34 import jdk.nashorn.internal.runtime.PropertyMap;
  35 import jdk.nashorn.internal.runtime.regexp.RegExpResult;
  36 import jdk.nashorn.internal.runtime.ScriptObject;
  37 import jdk.nashorn.internal.runtime.arrays.ArrayData;
  38 
  39 /**
  40  * Objects of this class are used to represent return values from
  41  * RegExp.prototype.exec method.
  42  */
  43 @ScriptClass("RegExpExecResult")
  44 public final class NativeRegExpExecResult extends ScriptObject {
  45     /** index property */
  46     @Property
  47     public Object index;
  48 
  49     /** input property */
  50     @Property
  51     public Object input;
  52 
  53     // initialized by nasgen
  54     private static PropertyMap $nasgenmap$;
  55 
  56     static PropertyMap getInitialMap() {
  57         return $nasgenmap$;
  58     }
  59 
  60     NativeRegExpExecResult(final RegExpResult result, final Global global) {
  61         super(global.getArrayPrototype(), getInitialMap());
  62         setIsArray();
  63         this.setArray(ArrayData.allocate(result.getGroups().clone()));
  64         this.index = result.getIndex();
  65         this.input = result.getInput();
  66     }
  67 
  68     @Override
  69     public String getClassName() {
  70         return "Array";
  71     }
  72 
  73     /**
  74      * Length getter
  75      * @param self self reference
  76      * @return length property value
  77      */
  78     @Getter(attributes = Attribute.NOT_ENUMERABLE | Attribute.NOT_CONFIGURABLE)
  79     public static Object length(final Object self) {
  80         if (self instanceof ScriptObject) {
  81             return ((ScriptObject)self).getArray().length() & JSType.MAX_UINT;
  82         }
  83 
  84         return 0;
  85     }
  86 
  87     /**
  88      * Length setter
  89      * @param self self reference
  90      * @param length property value
  91      */
  92     @Setter(attributes = Attribute.NOT_ENUMERABLE | Attribute.NOT_CONFIGURABLE)
  93     public static void length(final Object self, final Object length) {
  94         if (self instanceof ScriptObject) {
  95             ((ScriptObject)self).setLength(NativeArray.validLength(length, true));
  96         }
  97     }
  98 }