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.regexp.RegExpResult;
  35 import jdk.nashorn.internal.runtime.ScriptObject;
  36 import jdk.nashorn.internal.runtime.arrays.ArrayData;
  37 
  38 /**
  39  * Objects of this class are used to represent return values from
  40  * RegExp.prototype.exec method.
  41  */
  42 @ScriptClass("RegExpExecResult")
  43 public final class NativeRegExpExecResult extends ScriptObject {
  44     /** index property */
  45     @Property
  46     public Object index;
  47 
  48     /** input property */
  49     @Property
  50     public Object input;
  51 
  52     NativeRegExpExecResult(final RegExpResult result) {
  53         setProto(Global.instance().getArrayPrototype());

  54         this.setArray(ArrayData.allocate(result.getGroups().clone()));
  55         this.index = result.getIndex();
  56         this.input = result.getInput();
  57     }
  58 
  59     /**
  60      * Length getter
  61      * @param self self reference
  62      * @return length property value
  63      */
  64     @Getter(attributes = Attribute.NOT_ENUMERABLE | Attribute.NOT_CONFIGURABLE)
  65     public static Object length(final Object self) {
  66         if (self instanceof ScriptObject) {
  67             return ((ScriptObject)self).getArray().length() & JSType.MAX_UINT;
  68         }
  69 
  70         return 0;
  71     }
  72 
  73     /**
  74      * Length setter
  75      * @param self self reference
  76      * @param length property value
  77      */
  78     @Setter(attributes = Attribute.NOT_ENUMERABLE | Attribute.NOT_CONFIGURABLE)
  79     public static void length(final Object self, final Object length) {
  80         if (self instanceof ScriptObject) {
  81             ((ScriptObject)self).setLength(NativeArray.validLength(length, true));
  82         }
  83     }
  84 }
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