/*******************************************************************************
* Copyright (c) 2000, 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ext.java.jdt.core.dom;
import java.util.ArrayList;
import java.util.List;
/**
* Boolean literal node.
* <p/>
* <pre>
* BooleanLiteral:
* <b>true</b>
* <b>false</b>
* </pre>
*
* @noinstantiate This class is not intended to be instantiated by clients.
* @since 2.0
*/
public class BooleanLiteral extends Expression {
/**
* The "booleanValue" structural property of this node type (type: {@link Boolean}).
*
* @since 3.0
*/
public static final SimplePropertyDescriptor BOOLEAN_VALUE_PROPERTY = new SimplePropertyDescriptor(
BooleanLiteral.class, "booleanValue", boolean.class, MANDATORY); //$NON-NLS-1$
/** A list of property descriptors (element type: {@link StructuralPropertyDescriptor}), or null if uninitialized. */
private static final List PROPERTY_DESCRIPTORS;
static {
List properyList = new ArrayList(2);
createPropertyList(BooleanLiteral.class, properyList);
addProperty(BOOLEAN_VALUE_PROPERTY, properyList);
PROPERTY_DESCRIPTORS = reapPropertyList(properyList);
}
/**
* Returns a list of structural property descriptors for this node type. Clients must not modify the result.
*
* @param apiLevel
* the API level; one of the <code>AST.JLS*</code> constants
* @return a list of property descriptors (element type: {@link StructuralPropertyDescriptor})
* @since 3.0
*/
public static List propertyDescriptors(int apiLevel) {
return PROPERTY_DESCRIPTORS;
}
/** The boolean; defaults to the literal for <code>false</code>. */
private boolean value = false;
/**
* Creates a new unparented boolean literal node owned by the given AST.
* <p>
* N.B. This constructor is package-private.
* </p>
*
* @param ast
* the AST that is to own this node
*/
BooleanLiteral(AST ast) {
super(ast);
}
/* (omit javadoc for this method) Method declared on ASTNode. */
final List internalStructuralPropertiesForType(int apiLevel) {
return propertyDescriptors(apiLevel);
}
/* (omit javadoc for this method) Method declared on ASTNode. */
final boolean internalGetSetBooleanProperty(SimplePropertyDescriptor property, boolean get, boolean newValue) {
if (property == BOOLEAN_VALUE_PROPERTY) {
if (get) {
return booleanValue();
} else {
setBooleanValue(newValue);
return false;
}
}
// allow default implementation to flag the error
return super.internalGetSetBooleanProperty(property, get, newValue);
}
/* (omit javadoc for this method) Method declared on ASTNode. */
final int getNodeType0() {
return BOOLEAN_LITERAL;
}
/* (omit javadoc for this method) Method declared on ASTNode. */
ASTNode clone0(AST target) {
BooleanLiteral result = new BooleanLiteral(target);
result.setSourceRange(getStartPosition(), getLength());
result.setBooleanValue(booleanValue());
return result;
}
/* (omit javadoc for this method) Method declared on ASTNode. */
final boolean subtreeMatch0(ASTMatcher matcher, Object other) {
// dispatch to correct overloaded match method
return matcher.match(this, other);
}
/* (omit javadoc for this method) Method declared on ASTNode. */
void accept0(ASTVisitor visitor) {
visitor.visit(this);
visitor.endVisit(this);
}
/**
* Returns the boolean value of this boolean literal node.
*
* @return <code>true</code> for the boolean literal spelled <code>"true"</code>, and <code>false</code> for the boolean
* literal spelled <code>"false"</code>.
*/
public boolean booleanValue() {
return this.value;
}
/**
* Sets the boolean value of this boolean literal node.
*
* @param value
* <code>true</code> for the boolean literal spelled <code>"true"</code>, and <code>false</code> for the boolean
* literal spelled <code>"false"</code>.
*/
public void setBooleanValue(boolean value) {
preValueChange(BOOLEAN_VALUE_PROPERTY);
this.value = value;
postValueChange(BOOLEAN_VALUE_PROPERTY);
}
/* (omit javadoc for this method) Method declared on ASTNode. */
int memSize() {
return BASE_NODE_SIZE + 1 * 4;
}
/* (omit javadoc for this method) Method declared on ASTNode. */
int treeSize() {
return memSize();
}
}