/******************************************************************************* * Copyright (c) 2000, 2008 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 net.sourceforge.phpdt.core.dom; import java.util.ArrayList; import java.util.List; /** * Boolean literal node. * *
* BooleanLiteral: * true * false ** * @since 2.0 * @noinstantiate This class is not intended to be instantiated by clients. */ public class BooleanLiteral extends Expression { /** * The "booleanValue" structural property of this node type. * @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 *
AST.JLS*
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 false
.
*/
private boolean value = false;
/**
* Creates a new unparented boolean literal node owned by the given AST.
* * N.B. This constructor is package-private. *
* * @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(this.getStartPosition(), this.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. * * @returntrue
for the boolean literal spelled
* "true"
, and false
for the boolean literal
* spelled "false"
.
*/
public boolean booleanValue() {
return this.value;
}
/**
* Sets the boolean value of this boolean literal node.
*
* @param value true
for the boolean literal spelled
* "true"
, and false
for the boolean literal
* spelled "false"
.
*/
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();
}
}