org.eclipse.jdt.core/dom/org/eclipse/jdt/core/dom/Initializer.java - objectteams/org.eclipse.objectteams - Gitiles

 /*******************************************************************************
  * 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.jdt.core.dom;

 import java.util.ArrayList;
 import java.util.List;

 /**
  * Static or instance initializer AST node type.
  * <pre>
  * Initializer:
  *     [ <b>static</b> ] Block
  * </pre>
  *
  * @since 2.0
  * @noinstantiate This class is not intended to be instantiated by clients.
  */
 public class Initializer extends BodyDeclaration {

 	/**
 	 * The "javadoc" structural property of this node type (child type: {@link Javadoc}).
 	 * @since 3.0
 	 */
 	public static final ChildPropertyDescriptor JAVADOC_PROPERTY =
 		internalJavadocPropertyFactory(Initializer.class);

 	/**
 	 * The "modifiers" structural property of this node type (type: {@link Integer}) (JLS2 API only).
 	 * @since 3.0
 	 */
 	public static final SimplePropertyDescriptor MODIFIERS_PROPERTY =
 		internalModifiersPropertyFactory(Initializer.class);

 	/**
 	 * The "modifiers" structural property of this node type (element type: {@link IExtendedModifier}) (added in JLS3 API).
 	 * @since 3.1
 	 */
 	public static final ChildListPropertyDescriptor MODIFIERS2_PROPERTY =
 		internalModifiers2PropertyFactory(Initializer.class);

 	/**
 	 * The "body" structural property of this node type (child type: {@link Block}).
 	 * @since 3.0
 	 */
 	public static final ChildPropertyDescriptor BODY_PROPERTY =
 		new ChildPropertyDescriptor(Initializer.class, "body", Block.class, MANDATORY, CYCLE_RISK); //$NON-NLS-1$

 	/**
 	 * A list of property descriptors (element type:
 	 * {@link StructuralPropertyDescriptor}),
 	 * or null if uninitialized.
 	 * @since 3.0
 	 */
 	private static final List PROPERTY_DESCRIPTORS_2_0;

 	/**
 	 * A list of property descriptors (element type:
 	 * {@link StructuralPropertyDescriptor}),
 	 * or null if uninitialized.
 	 * @since 3.1
 	 */
 	private static final List PROPERTY_DESCRIPTORS_3_0;

 	static {
 		List properyList = new ArrayList(4);
 		createPropertyList(Initializer.class, properyList);
 		addProperty(JAVADOC_PROPERTY, properyList);
 		addProperty(MODIFIERS_PROPERTY, properyList);
 		addProperty(BODY_PROPERTY, properyList);
 		PROPERTY_DESCRIPTORS_2_0 = reapPropertyList(properyList);

 		properyList = new ArrayList(4);
 		createPropertyList(Initializer.class, properyList);
 		addProperty(JAVADOC_PROPERTY, properyList);
 		addProperty(MODIFIERS2_PROPERTY, properyList);
 		addProperty(BODY_PROPERTY, properyList);
 		PROPERTY_DESCRIPTORS_3_0 = 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) {
 		if (apiLevel == AST.JLS2_INTERNAL) {
 			return PROPERTY_DESCRIPTORS_2_0;
 		} else {
 			return PROPERTY_DESCRIPTORS_3_0;
 		}
 	}

 	/**
 	 * The initializer body; lazily initialized; defaults to an empty block.
 	 */
 	private Block body = null;

 	/**
 	 * Creates a new AST node for an initializer declaration owned by the given
 	 * AST. By default, the initializer has no modifiers and an empty block.
 	 * The javadoc comment is not used for initializers.
 	 * <p>
 	 * N.B. This constructor is package-private.
 	 * </p>
 	 *
 	 * @param ast the AST that is to own this node
 	 */
 	Initializer(AST ast) {
 		super(ast);
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 * @since 3.0
 	 */
 	final List internalStructuralPropertiesForType(int apiLevel) {
 		return propertyDescriptors(apiLevel);
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	final int internalGetSetIntProperty(SimplePropertyDescriptor property, boolean get, int value) {
 		if (property == MODIFIERS_PROPERTY) {
 			if (get) {
 				return getModifiers();
 			} else {
 				internalSetModifiers(value);
 				return 0;
 			}
 		}
 		// allow default implementation to flag the error
 		return super.internalGetSetIntProperty(property, get, value);
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
 		if (property == JAVADOC_PROPERTY) {
 			if (get) {
 				return getJavadoc();
 			} else {
 				setJavadoc((Javadoc) child);
 				return null;
 			}
 		}
 		if (property == BODY_PROPERTY) {
 			if (get) {
 				return getBody();
 			} else {
 				setBody((Block) 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 List internalGetChildListProperty(ChildListPropertyDescriptor property) {
 		if (property == MODIFIERS2_PROPERTY) {
 			return modifiers();
 		}
 		// allow default implementation to flag the error
 		return super.internalGetChildListProperty(property);
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on BodyDeclaration.
 	 */
 	final ChildPropertyDescriptor internalJavadocProperty() {
 		return JAVADOC_PROPERTY;
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on BodyDeclaration.
 	 */
 	final ChildListPropertyDescriptor internalModifiers2Property() {
 		return MODIFIERS2_PROPERTY;
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on BodyDeclaration.
 	 */
 	final SimplePropertyDescriptor internalModifiersProperty() {
 		return MODIFIERS_PROPERTY;
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	final int getNodeType0() {
 		return INITIALIZER;
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	ASTNode clone0(AST target) {
 		Initializer result = new Initializer(target);
 		result.setSourceRange(getStartPosition(), getLength());
 		if (this.ast.apiLevel == AST.JLS2_INTERNAL) {
 			result.internalSetModifiers(getModifiers());
 		}
 		if (this.ast.apiLevel >= AST.JLS3) {
 			result.modifiers().addAll(ASTNode.copySubtrees(target, modifiers()));
 		}
 		result.setJavadoc(
 			(Javadoc) ASTNode.copySubtree(target, getJavadoc()));
 		result.setBody((Block) getBody().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, getJavadoc());
 			if (this.ast.apiLevel >= AST.JLS3) {
 				acceptChildren(visitor, this.modifiers);
 			}
 			acceptChild(visitor, getBody());
 		}
 		visitor.endVisit(this);
 	}

 	/**
 	 * Returns the body of this initializer declaration.
 	 *
 	 * @return the initializer body
 	 */
 	public Block getBody() {
 		if (this.body == null) {
 			// lazy init must be thread-safe for readers
 			synchronized (this) {
 				if (this.body == null) {
 					preLazyInit();
 					this.body= new Block(this.ast);
 					postLazyInit(this.body, BODY_PROPERTY);
 				}
 			}
 		}
 		return this.body;
 	}

 	/**
 	 * Sets the body of this initializer declaration.
 	 *
 	 * @param body the block node
 	 * @exception IllegalArgumentException if:
 	 * <ul>
 	 * <li>the node belongs to a different AST</li>
 	 * <li>the node already has a parent</li>
 	 * <li>a cycle in would be created</li>
 	 * </ul>
 	 */
 	public void setBody(Block body) {
 		if (body == null) {
 			throw new IllegalArgumentException();
 		}
 		ASTNode oldChild = this.body;
 		preReplaceChild(oldChild, body, BODY_PROPERTY);
 		this.body = body;
 		postReplaceChild(oldChild, body, BODY_PROPERTY);
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	int memSize() {
 		return super.memSize() + 1 * 4;
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	int treeSize() {
 		return
 			memSize()
 			+ (this.optionalDocComment == null ? 0 : getJavadoc().treeSize())
 			+ (this.modifiers == null ? 0 : this.modifiers.listSize())
 			+ (this.body == null ? 0 : getBody().treeSize());
 	}
 }
	/*******************************************************************************
	* 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.jdt.core.dom;

	import java.util.ArrayList;
	import java.util.List;

	/**
	* Static or instance initializer AST node type.
	* <pre>
	* Initializer:
	* [ <b>static</b> ] Block
	* </pre>
	*
	* @since 2.0
	* @noinstantiate This class is not intended to be instantiated by clients.
	*/
	public class Initializer extends BodyDeclaration {

	/**
	* The "javadoc" structural property of this node type (child type: {@link Javadoc}).
	* @since 3.0
	*/
	public static final ChildPropertyDescriptor JAVADOC_PROPERTY =
	internalJavadocPropertyFactory(Initializer.class);

	/**
	* The "modifiers" structural property of this node type (type: {@link Integer}) (JLS2 API only).
	* @since 3.0
	*/
	public static final SimplePropertyDescriptor MODIFIERS_PROPERTY =
	internalModifiersPropertyFactory(Initializer.class);

	/**
	* The "modifiers" structural property of this node type (element type: {@link IExtendedModifier}) (added in JLS3 API).
	* @since 3.1
	*/
	public static final ChildListPropertyDescriptor MODIFIERS2_PROPERTY =
	internalModifiers2PropertyFactory(Initializer.class);

	/**
	* The "body" structural property of this node type (child type: {@link Block}).
	* @since 3.0
	*/
	public static final ChildPropertyDescriptor BODY_PROPERTY =
	new ChildPropertyDescriptor(Initializer.class, "body", Block.class, MANDATORY, CYCLE_RISK); //$NON-NLS-1$

	/**
	* A list of property descriptors (element type:
	* {@link StructuralPropertyDescriptor}),
	* or null if uninitialized.
	* @since 3.0
	*/
	private static final List PROPERTY_DESCRIPTORS_2_0;

	/**
	* A list of property descriptors (element type:
	* {@link StructuralPropertyDescriptor}),
	* or null if uninitialized.
	* @since 3.1
	*/
	private static final List PROPERTY_DESCRIPTORS_3_0;

	static {
	List properyList = new ArrayList(4);
	createPropertyList(Initializer.class, properyList);
	addProperty(JAVADOC_PROPERTY, properyList);
	addProperty(MODIFIERS_PROPERTY, properyList);
	addProperty(BODY_PROPERTY, properyList);
	PROPERTY_DESCRIPTORS_2_0 = reapPropertyList(properyList);

	properyList = new ArrayList(4);
	createPropertyList(Initializer.class, properyList);
	addProperty(JAVADOC_PROPERTY, properyList);
	addProperty(MODIFIERS2_PROPERTY, properyList);
	addProperty(BODY_PROPERTY, properyList);
	PROPERTY_DESCRIPTORS_3_0 = 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) {
	if (apiLevel == AST.JLS2_INTERNAL) {
	return PROPERTY_DESCRIPTORS_2_0;
	} else {
	return PROPERTY_DESCRIPTORS_3_0;
	}
	}

	/**
	* The initializer body; lazily initialized; defaults to an empty block.
	*/
	private Block body = null;

	/**
	* Creates a new AST node for an initializer declaration owned by the given
	* AST. By default, the initializer has no modifiers and an empty block.
	* The javadoc comment is not used for initializers.
	* <p>
	* N.B. This constructor is package-private.
	* </p>
	*
	* @param ast the AST that is to own this node
	*/
	Initializer(AST ast) {
	super(ast);
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	* @since 3.0
	*/
	final List internalStructuralPropertiesForType(int apiLevel) {
	return propertyDescriptors(apiLevel);
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	final int internalGetSetIntProperty(SimplePropertyDescriptor property, boolean get, int value) {
	if (property == MODIFIERS_PROPERTY) {
	if (get) {
	return getModifiers();
	} else {
	internalSetModifiers(value);
	return 0;
	}
	}
	// allow default implementation to flag the error
	return super.internalGetSetIntProperty(property, get, value);
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
	if (property == JAVADOC_PROPERTY) {
	if (get) {
	return getJavadoc();
	} else {
	setJavadoc((Javadoc) child);
	return null;
	}
	}
	if (property == BODY_PROPERTY) {
	if (get) {
	return getBody();
	} else {
	setBody((Block) 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 List internalGetChildListProperty(ChildListPropertyDescriptor property) {
	if (property == MODIFIERS2_PROPERTY) {
	return modifiers();
	}
	// allow default implementation to flag the error
	return super.internalGetChildListProperty(property);
	}

	/* (omit javadoc for this method)
	* Method declared on BodyDeclaration.
	*/
	final ChildPropertyDescriptor internalJavadocProperty() {
	return JAVADOC_PROPERTY;
	}

	/* (omit javadoc for this method)
	* Method declared on BodyDeclaration.
	*/
	final ChildListPropertyDescriptor internalModifiers2Property() {
	return MODIFIERS2_PROPERTY;
	}

	/* (omit javadoc for this method)
	* Method declared on BodyDeclaration.
	*/
	final SimplePropertyDescriptor internalModifiersProperty() {
	return MODIFIERS_PROPERTY;
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	final int getNodeType0() {
	return INITIALIZER;
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	ASTNode clone0(AST target) {
	Initializer result = new Initializer(target);
	result.setSourceRange(getStartPosition(), getLength());
	if (this.ast.apiLevel == AST.JLS2_INTERNAL) {
	result.internalSetModifiers(getModifiers());
	}
	if (this.ast.apiLevel >= AST.JLS3) {
	result.modifiers().addAll(ASTNode.copySubtrees(target, modifiers()));
	}
	result.setJavadoc(
	(Javadoc) ASTNode.copySubtree(target, getJavadoc()));
	result.setBody((Block) getBody().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, getJavadoc());
	if (this.ast.apiLevel >= AST.JLS3) {
	acceptChildren(visitor, this.modifiers);
	}
	acceptChild(visitor, getBody());
	}
	visitor.endVisit(this);
	}

	/**
	* Returns the body of this initializer declaration.
	*
	* @return the initializer body
	*/
	public Block getBody() {
	if (this.body == null) {
	// lazy init must be thread-safe for readers
	synchronized (this) {
	if (this.body == null) {
	preLazyInit();
	this.body= new Block(this.ast);
	postLazyInit(this.body, BODY_PROPERTY);
	}
	}
	}
	return this.body;
	}

	/**
	* Sets the body of this initializer declaration.
	*
	* @param body the block node
	* @exception IllegalArgumentException if:
	* <ul>
	* <li>the node belongs to a different AST</li>
	* <li>the node already has a parent</li>
	* <li>a cycle in would be created</li>
	* </ul>
	*/
	public void setBody(Block body) {
	if (body == null) {
	throw new IllegalArgumentException();
	}
	ASTNode oldChild = this.body;
	preReplaceChild(oldChild, body, BODY_PROPERTY);
	this.body = body;
	postReplaceChild(oldChild, body, BODY_PROPERTY);
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	int memSize() {
	return super.memSize() + 1 * 4;
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	int treeSize() {
	return
	memSize()
	+ (this.optionalDocComment == null ? 0 : getJavadoc().treeSize())
	+ (this.modifiers == null ? 0 : this.modifiers.listSize())
	+ (this.body == null ? 0 : getBody().treeSize());
	}
	}