/*******************************************************************************
* 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;
/**
* Type node for a named class type, a named interface type, or a type variable.
* <p>
* This kind of node is used to convert a name (<code>Name</code>) into a type ( <code>Type</code>) by wrapping it.
* </p>
*
* @noinstantiate This class is not intended to be instantiated by clients.
* @since 2.0
*/
public class SimpleType extends Type {
/**
* The "name" structural property of this node type (child type: {@link Name} ).
*
* @since 3.0
*/
public static final ChildPropertyDescriptor NAME_PROPERTY = new ChildPropertyDescriptor(SimpleType.class,
"name", Name.class, MANDATORY, NO_CYCLE_RISK);
//$NON-NLS-1$
/** A list of property descriptors (element type: {@link StructuralPropertyDescriptor}), or null if uninitialized. */
private static final List PROPERTY_DESCRIPTORS;
static {
List propertyList = new ArrayList(2);
createPropertyList(SimpleType.class, propertyList);
addProperty(NAME_PROPERTY, propertyList);
PROPERTY_DESCRIPTORS = reapPropertyList(propertyList);
}
/**
* 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 type name node; lazily initialized; defaults to a type with an unspecfied, but legal, name. */
private Name typeName = null;
/**
* Creates a new unparented node for a simple type owned by the given AST. By default, an unspecified, but legal, name.
* <p>
* N.B. This constructor is package-private.
* </p>
*
* @param ast
* the AST that is to own this node
*/
SimpleType(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 ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
if (property == NAME_PROPERTY) {
if (get) {
return getName();
} else {
setName((Name)child);
return null;
}
}
// allow default implementation to flag the error
return super.internalGetSetChildProperty(property, get, child);
}
/* (omit javadoc for this method) Method declared on ASTNode. */
final int getNodeType0() {
return SIMPLE_TYPE;
}
/* (omit javadoc for this method) Method declared on ASTNode. */
ASTNode clone0(AST target) {
SimpleType result = new SimpleType(target);
result.setSourceRange(getStartPosition(), getLength());
result.setName((Name)(getName()).clone(target));
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) {
boolean visitChildren = visitor.visit(this);
if (visitChildren) {
acceptChild(visitor, getName());
}
visitor.endVisit(this);
}
/**
* Returns the name of this simple type.
*
* @return the name of this simple type
*/
public Name getName() {
if (this.typeName == null) {
// lazy init must be thread-safe for readers
synchronized (this) {
if (this.typeName == null) {
preLazyInit();
this.typeName = new SimpleName(this.ast);
postLazyInit(this.typeName, NAME_PROPERTY);
}
}
}
return this.typeName;
}
/**
* Sets the name of this simple type to the given name.
*
* @param typeName
* the new name of this simple type
* @throws IllegalArgumentException
* if:
* <ul>
* <li>the node belongs to a different AST</li>
* <li>the node already has a parent</li>
* </ul>
*/
public void setName(Name typeName) {
if (typeName == null) {
throw new IllegalArgumentException();
}
ASTNode oldChild = this.typeName;
preReplaceChild(oldChild, typeName, NAME_PROPERTY);
this.typeName = typeName;
postReplaceChild(oldChild, typeName, NAME_PROPERTY);
}
/* (omit javadoc for this method) Method declared on ASTNode. */
int memSize() {
// treat Code as free
return BASE_NODE_SIZE + 1 * 4;
}
/* (omit javadoc for this method) Method declared on ASTNode. */
int treeSize() {
return memSize() + (this.typeName == null ? 0 : getName().treeSize());
}
}