| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.core.dom; |
| |
| import java.util.List; |
| |
| /** |
| * Boolean literal node. |
| * |
| * <pre> |
| * BooleanLiteral: |
| * <b>true</b> |
| * <b>false</b> |
| * </pre> |
| * |
| * @since 2.0 |
| */ |
| 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 { |
| createPropertyList(BooleanLiteral.class); |
| addProperty(BOOLEAN_VALUE_PROPERTY); |
| PROPERTY_DESCRIPTORS = reapPropertyList(); |
| } |
| |
| /** |
| * 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.LEVEL_*</code>LEVEL |
| |
| * @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. |
| */ |
| public int getNodeType() { |
| return BOOLEAN_LITERAL; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| ASTNode clone(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. |
| */ |
| public boolean subtreeMatch(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(); |
| } |
| } |
| |