< prev index next >

src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/SetMethodCreator.java

Print this page


   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


 168 
 169         assert methodHandle != null;
 170         assert property     != null;
 171 
 172         final MethodHandle boundHandle;
 173         if (find.isInheritedOrdinaryProperty()) {
 174             boundHandle = ScriptObject.addProtoFilter(methodHandle, find.getProtoChainLength());
 175         } else {
 176             boundHandle = methodHandle;
 177         }
 178         return new SetMethod(boundHandle, property);
 179     }
 180 
 181     private SetMethod createGlobalPropertySetter() {
 182         final ScriptObject global = Context.getGlobal();
 183         return new SetMethod(MH.filterArguments(global.addSpill(type, getName()), 0, ScriptObject.GLOBALFILTER), null);
 184     }
 185 
 186     private SetMethod createNewPropertySetter(final SwitchPoint builtinSwitchPoint) {
 187         final SetMethod sm = map.getFreeFieldSlot() > -1 ? createNewFieldSetter(builtinSwitchPoint) : createNewSpillPropertySetter(builtinSwitchPoint);
 188         map.propertyAdded(sm.property, true);
 189         return sm;
 190     }
 191 
 192     private SetMethod createNewSetter(final Property property, final SwitchPoint builtinSwitchPoint) {
 193         property.setBuiltinSwitchPoint(builtinSwitchPoint);
 194 
 195         final PropertyMap oldMap   = getMap();
 196         final PropertyMap newMap   = getNewMap(property);
 197         final boolean     isStrict = NashornCallSiteDescriptor.isStrict(desc);
 198         final String      name     = NashornCallSiteDescriptor.getOperand(desc);
 199 
 200         //fast type specific setter
 201         final MethodHandle fastSetter = property.getSetter(type, newMap); //0 sobj, 1 value, slot folded for spill property already
 202 
 203         //slow setter, that calls ScriptObject.set with appropriate type and key name
 204         MethodHandle slowSetter = ScriptObject.SET_SLOW[getAccessorTypeIndex(type)];
 205         slowSetter = MH.insertArguments(slowSetter, 3, NashornCallSiteDescriptor.getFlags(desc));
 206         slowSetter = MH.insertArguments(slowSetter, 1, name);
 207         slowSetter = MH.asType(slowSetter, slowSetter.type().changeParameterType(0, Object.class));
 208 


   1 /*
   2  * Copyright (c) 2010, 2017, 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


 168 
 169         assert methodHandle != null;
 170         assert property     != null;
 171 
 172         final MethodHandle boundHandle;
 173         if (find.isInheritedOrdinaryProperty()) {
 174             boundHandle = ScriptObject.addProtoFilter(methodHandle, find.getProtoChainLength());
 175         } else {
 176             boundHandle = methodHandle;
 177         }
 178         return new SetMethod(boundHandle, property);
 179     }
 180 
 181     private SetMethod createGlobalPropertySetter() {
 182         final ScriptObject global = Context.getGlobal();
 183         return new SetMethod(MH.filterArguments(global.addSpill(type, getName()), 0, ScriptObject.GLOBALFILTER), null);
 184     }
 185 
 186     private SetMethod createNewPropertySetter(final SwitchPoint builtinSwitchPoint) {
 187         final SetMethod sm = map.getFreeFieldSlot() > -1 ? createNewFieldSetter(builtinSwitchPoint) : createNewSpillPropertySetter(builtinSwitchPoint);
 188         map.propertyChanged(sm.property);
 189         return sm;
 190     }
 191 
 192     private SetMethod createNewSetter(final Property property, final SwitchPoint builtinSwitchPoint) {
 193         property.setBuiltinSwitchPoint(builtinSwitchPoint);
 194 
 195         final PropertyMap oldMap   = getMap();
 196         final PropertyMap newMap   = getNewMap(property);
 197         final boolean     isStrict = NashornCallSiteDescriptor.isStrict(desc);
 198         final String      name     = NashornCallSiteDescriptor.getOperand(desc);
 199 
 200         //fast type specific setter
 201         final MethodHandle fastSetter = property.getSetter(type, newMap); //0 sobj, 1 value, slot folded for spill property already
 202 
 203         //slow setter, that calls ScriptObject.set with appropriate type and key name
 204         MethodHandle slowSetter = ScriptObject.SET_SLOW[getAccessorTypeIndex(type)];
 205         slowSetter = MH.insertArguments(slowSetter, 3, NashornCallSiteDescriptor.getFlags(desc));
 206         slowSetter = MH.insertArguments(slowSetter, 1, name);
 207         slowSetter = MH.asType(slowSetter, slowSetter.type().changeParameterType(0, Object.class));
 208 


< prev index next >