| /* |
| * 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 { |
| private static final long serialVersionUID = 1L; |
| |
| /** 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, final boolean printType) { |
| if (value instanceof FunctionNode && ((FunctionNode)value).getIdent() != null) { |
| value.toString(sb); |
| } |
| |
| if (value != null) { |
| ((Node)key).toString(sb, printType); |
| sb.append(": "); |
| value.toString(sb, printType); |
| } |
| |
| if (getter != null) { |
| sb.append(' '); |
| getter.toString(sb, printType); |
| } |
| |
| if (setter != null) { |
| sb.append(' '); |
| setter.toString(sb, printType); |
| } |
| } |
| |
| /** |
| * 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); |
| } |
| } |