jdk8-mips64-public/nashorn: src/jdk/nashorn/internal/ir/PropertyNode.java@2c007a8bb0e7 (annotated)

src/jdk/nashorn/internal/ir/PropertyNode.java@2c007a8bb0e7 (annotated)

src/jdk/nashorn/internal/ir/PropertyNode.java

Thu, 11 Jul 2013 18:33:33 +0200

author: attila
date: Thu, 11 Jul 2013 18:33:33 +0200
changeset 430: 2c007a8bb0e7
parent 290: 6fc7b51e83d6
child 952: 6d5471a497fb
child 963: e2497b11a021
permissions: -rw-r--r--

8013925: Remove symbol fields from nodes that don't need them
Reviewed-by: jlaskey, 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.ir;
 import jdk.nashorn.internal.ir.annotations.Immutable;
 import jdk.nashorn.internal.ir.visitor.NodeVisitor;
 /**
  * IR representation of an object literal property.
  */
 @Immutable
 public final class PropertyNode extends Node {
     /** Property key. */
     private final PropertyKey key;
     /** Property value. */
     private final Expression value;
     /** Property getter. */
     private final FunctionNode getter;
     /** Property getter. */
     private final FunctionNode setter;
     /**
      * Constructor
      *
      * @param token   token
      * @param finish  finish
      * @param key     the key of this property
      * @param value   the value of this property
      * @param getter  getter function body
      * @param setter  setter function body
      */
     public PropertyNode(final long token, final int finish, final PropertyKey key, final Expression value, final FunctionNode getter, final FunctionNode setter) {
         super(token, finish);
         this.key    = key;
         this.value  = value;
         this.getter = getter;
         this.setter = setter;
     }
     private PropertyNode(final PropertyNode propertyNode, final PropertyKey key, final Expression value, final FunctionNode getter, final FunctionNode setter) {
         super(propertyNode);
         this.key    = key;
         this.value  = value;
         this.getter = getter;
         this.setter = setter;
     }
     /**
      * Get the name of the property key
      * @return key name
      */
     public String getKeyName() {
         return key.getPropertyName();
     }
     @Override
     public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
         if (visitor.enterPropertyNode(this)) {
             return visitor.leavePropertyNode(
                 setKey((PropertyKey)((Node)key).accept(visitor)).
                 setValue(value == null ? null : (Expression)value.accept(visitor)).
                 setGetter(getter == null ? null : (FunctionNode)getter.accept(visitor)).
                 setSetter(setter == null ? null : (FunctionNode)setter.accept(visitor)));
         }
         return this;
     }
     @Override
     public void toString(final StringBuilder sb) {
         if (value instanceof FunctionNode && ((FunctionNode)value).getIdent() != null) {
             value.toString(sb);
         }
         if (value != null) {
             ((Node)key).toString(sb);
             sb.append(": ");
             value.toString(sb);
         }
         if (getter != null) {
             sb.append(' ');
             getter.toString(sb);
         }
         if (setter != null) {
             sb.append(' ');
             setter.toString(sb);
         }
     }
     /**
      * Get the getter for this property
      * @return getter or null if none exists
      */
     public FunctionNode getGetter() {
         return getter;
     }
     /**
      * Set the getter of this property, null if none
      * @param getter getter
      * @return same node or new node if state changed
      */
     public PropertyNode setGetter(final FunctionNode getter) {
         if (this.getter == getter) {
             return this;
         }
         return new PropertyNode(this, key, value, getter, setter);
     }
     /**
      * Return the key for this property node
      * @return the key
      */
     public Expression getKey() {
         return (Expression)key;
     }
     private PropertyNode setKey(final PropertyKey key) {
         if (this.key == key) {
             return this;
         }
         return new PropertyNode(this, key, value, getter, setter);
     }
     /**
      * Get the setter for this property
      * @return setter or null if none exists
      */
     public FunctionNode getSetter() {
         return setter;
     }
     /**
      * Set the setter for this property, null if none
      * @param setter setter
      * @return same node or new node if state changed
      */
     public PropertyNode setSetter(final FunctionNode setter) {
         if (this.setter == setter) {
             return this;
         }
         return new PropertyNode(this, key, value, getter, setter);
     }
     /**
      * Get the value of this property
      * @return property value
      */
     public Expression getValue() {
         return value;
     }
     /**
      * Set the value of this property
      * @param value new value
      * @return same node or new node if state changed
      */
     public PropertyNode setValue(final Expression value) {
         if (this.value == value) {
             return this;
         }
         return new PropertyNode(this, key, value, getter, setter);
    }
 }

Mercurial > jdk8-mips64-public > nashorn / annotate

src/jdk/nashorn/internal/ir/PropertyNode.java@2c007a8bb0e7 (annotated)

src/jdk/nashorn/internal/ir/PropertyNode.java