jdk8-mips64-public/nashorn: src/jdk/nashorn/internal/objects/NativeBoolean.java@06ee95f094b4 (annotated)

src/jdk/nashorn/internal/objects/NativeBoolean.java@06ee95f094b4 (annotated)

src/jdk/nashorn/internal/objects/NativeBoolean.java

Mon, 03 Mar 2014 15:23:01 +0100

author: hannesw
date: Mon, 03 Mar 2014 15:23:01 +0100
changeset 766: 06ee95f094b4
parent 418: 36d6b6a3fbe0
child 769: 5a1ae83c295f
permissions: -rw-r--r--

8035948: Redesign property listeners for shared classes
Reviewed-by: sundar, lagergren

 /*
  * 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.ECMAErrors.typeError;
 import static jdk.nashorn.internal.lookup.Lookup.MH;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import jdk.internal.dynalink.linker.GuardedInvocation;
 import jdk.internal.dynalink.linker.LinkRequest;
 import jdk.nashorn.internal.objects.annotations.Attribute;
 import jdk.nashorn.internal.objects.annotations.Constructor;
 import jdk.nashorn.internal.objects.annotations.Function;
 import jdk.nashorn.internal.objects.annotations.ScriptClass;
 import jdk.nashorn.internal.runtime.JSType;
 import jdk.nashorn.internal.runtime.PropertyMap;
 import jdk.nashorn.internal.runtime.ScriptObject;
 import jdk.nashorn.internal.runtime.ScriptRuntime;
 import jdk.nashorn.internal.runtime.linker.PrimitiveLookup;
 /**
  * ECMA 15.6 Boolean Objects.
  */
 @ScriptClass("Boolean")
 public final class NativeBoolean extends ScriptObject {
     private final boolean value;
     final static MethodHandle WRAPFILTER = findWrapFilter();
     // initialized by nasgen
     private static PropertyMap $nasgenmap$;
     static PropertyMap getInitialMap() {
         return $nasgenmap$;
     }
     private NativeBoolean(final boolean value, final ScriptObject proto, final PropertyMap map) {
         super(proto, map);
         this.value = value;
     }
     NativeBoolean(final boolean flag, final Global global) {
         this(flag, global.getBooleanPrototype(), getInitialMap());
     }
     NativeBoolean(final boolean flag) {
         this(flag, Global.instance());
     }
     @Override
     public String safeToString() {
         return "[Boolean " + toString() + "]";
     }
     @Override
     public String toString() {
         return Boolean.toString(getValue());
     }
     /**
      * Get the value for this NativeBoolean
      * @return true or false
      */
     public boolean getValue() {
         return booleanValue();
     }
     /**
      * Get the value for this NativeBoolean
      * @return true or false
      */
     public boolean booleanValue() {
         return value;
     }
     @Override
     public String getClassName() {
         return "Boolean";
     }
     /**
      * ECMA 15.6.4.2 Boolean.prototype.toString ( )
      *
      * @param self self reference
      * @return string representation of this boolean
      */
     @Function(attributes = Attribute.NOT_ENUMERABLE)
     public static Object toString(final Object self) {
         return getBoolean(self).toString();
     }
     /**
      * ECMA 15.6.4.3 Boolean.prototype.valueOf ( )
      *
      * @param self self reference
      * @return value of this boolean
      */
     @Function(attributes = Attribute.NOT_ENUMERABLE)
     public static Object valueOf(final Object self) {
         return getBoolean(self);
     }
     /**
      * ECMA 15.6.2.1 new Boolean (value)
      *
      * @param newObj is the new operator used to instantiate this NativeBoolean
      * @param self   self reference
      * @param value  value of boolean
      * @return the new NativeBoolean
      */
     @Constructor(arity = 1)
     public static Object constructor(final boolean newObj, final Object self, final Object value) {
         final boolean flag = JSType.toBoolean(value);
         if (newObj) {
             return new NativeBoolean(flag);
         }
         return flag;
     }
     private static Boolean getBoolean(final Object self) {
         if (self instanceof Boolean) {
             return ((Boolean)self);
         } else if (self instanceof NativeBoolean) {
             return ((NativeBoolean)self).getValue();
         } else if (self != null && self == Global.instance().getBooleanPrototype()) {
             return false;
         } else {
             throw typeError("not.a.boolean", ScriptRuntime.safeToString(self));
         }
     }
     /**
      * Lookup the appropriate method for an invoke dynamic call.
      *
      * @param request  The link request
      * @param receiver The receiver for the call
      * @return Link to be invoked at call site.
      */
     public static GuardedInvocation lookupPrimitive(final LinkRequest request, final Object receiver) {
         return PrimitiveLookup.lookupPrimitive(request, Boolean.class, new NativeBoolean((Boolean)receiver), WRAPFILTER);
     }
     /**
      * Wrap a native string in a NativeString object.
      *
      * @param receiver Native string.
      * @return Wrapped object.
      */
     @SuppressWarnings("unused")
     private static NativeBoolean wrapFilter(final Object receiver) {
         return new NativeBoolean((Boolean)receiver);
     }
     private static MethodHandle findWrapFilter() {
         return MH.findStatic(MethodHandles.lookup(), NativeBoolean.class, "wrapFilter", MH.type(NativeBoolean.class, Object.class));
     }
 }

Mercurial > jdk8-mips64-public > nashorn / annotate

src/jdk/nashorn/internal/objects/NativeBoolean.java@06ee95f094b4 (annotated)

src/jdk/nashorn/internal/objects/NativeBoolean.java