bundles/org.eclipse.wst.jsdt.core/src/org/eclipse/wst/jsdt/core/dom/ObjectLiteralField.java - jsdt/webtools.jsdt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2016 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
  *     Red Hat - getter/setter support
  *******************************************************************************/

 package org.eclipse.wst.jsdt.core.dom;

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


 /**
  *
  * Provisional API: This class/interface is part of an interim API that is still under development and expected to
  * change significantly before reaching stability. It is being made available at this early stage to solicit feedback
  * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
  * (repeatedly) as the API evolves.
  */
 public class ObjectLiteralField extends Expression {

 	/**
 	 * @since 2.0
 	 */
 	public enum FieldKind{
 		INIT, GET, SET;
 	}
 	/**
 	 * The "type" structural property of this node type.
 	 *
 	 */
 	public static final ChildPropertyDescriptor FIELD_NAME_PROPERTY =
 		new ChildPropertyDescriptor(ObjectLiteralField.class, "fieldName", Expression.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$

 	/**
 	 * The "expression" structural property of this node type.
 	 *
 	 */
 	public static final ChildPropertyDescriptor INITIALIZER_PROPERTY =
 		new ChildPropertyDescriptor(ObjectLiteralField.class, "initializer", Expression.class, OPTIONAL, CYCLE_RISK); //$NON-NLS-1$

 	/**
 	 * The "expression" structural property of this node type.
 	 *
 	 * @since 2.0
 	 */
 	public static final SimplePropertyDescriptor KIND_PROPERTY =
 		new SimplePropertyDescriptor(ObjectLiteralField.class, "kind", FieldKind.class, MANDATORY); //$NON-NLS-1$


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

 	static {
 		List<StructuralPropertyDescriptor> properyList = new ArrayList<StructuralPropertyDescriptor>(3);
 		createPropertyList(ObjectLiteralField.class, properyList);
 		addProperty(FIELD_NAME_PROPERTY, properyList);
 		addProperty(INITIALIZER_PROPERTY, properyList);
 		addProperty(KIND_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})
 	 *
 	 */
 	public static List<StructuralPropertyDescriptor> propertyDescriptors(int apiLevel) {
 		return PROPERTY_DESCRIPTORS;
 	}

 	/**
 	 * The type; lazily initialized; defaults to a unspecified,
 	 * legal type.
 	 */
 	private Expression fieldName = null;

 	/**
 	 * The expression; lazily initialized; defaults to a unspecified, but legal,
 	 * expression.
 	 */
 	private Expression initializer = null;

 	/**
 	 *  Ordinary fields have a kind value INIT;
 	 *   getters and setters have the kind values GET and SET, respectively.
 	 */
 	private FieldKind  kind = FieldKind.INIT;

 	/**
 	 * Creates a new AST node for a cast expression owned by the given
 	 * AST. By default, the type and expression are unspecified (but legal).
 	 * <p>
 	 * N.B. This constructor is package-private.
 	 * </p>
 	 *
 	 * @param ast the AST that is to own this node
 	 */
 	ObjectLiteralField(AST ast) {
 		super(ast);
 	}

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

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	@Override
 	final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
 		if (property == INITIALIZER_PROPERTY) {
 			if (get) {
 				return getInitializer();
 			} else {
 				setInitializer((Expression) child);
 				return null;
 			}
 		}
 		if (property == FIELD_NAME_PROPERTY) {
 			if (get) {
 				return getFieldName();
 			} else {
 				setFieldName((Expression) child);
 				return null;
 			}
 		}
 		// allow default implementation to flag the error
 		return super.internalGetSetChildProperty(property, get, child);
 	}

 	@Override
 	final Object internalGetSetObjectProperty(SimplePropertyDescriptor property, boolean get, Object value) {
 		if(property == KIND_PROPERTY){
 			if(get){
 				return getKind();
 			}else{
 				setKind((FieldKind) value);
 				return null;
 			}
 		}
 		return super.internalGetSetObjectProperty(property,get,value);
 	}


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

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	@Override
 	ASTNode clone0(AST target) {
 		ObjectLiteralField result = new ObjectLiteralField(target);
 		result.setSourceRange(this.getStartPosition(), this.getLength());
 		result.setFieldName( (Expression) getFieldName().clone(target));
 		result.setKind(kind);
 		if(initializer != null ){
 			result.setInitializer((Expression) getInitializer().clone(target));
 		}
 		return result;
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	@Override
 	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.
 	 */
 	@Override
 	void accept0(ASTVisitor visitor) {
 		boolean visitChildren = visitor.visit(this);
 		if (visitChildren) {
 			// visit children in normal left to right reading order
 			acceptChild(visitor, getFieldName());
 			acceptChild(visitor, getInitializer());
 		}
 		visitor.endVisit(this);
 	}

 	/**
 	 * Returns the type in this cast expression.
 	 *
 	 * @return the type
 	 */
 	public Expression getFieldName() {
 		if (this.fieldName == null) {
 			// lazy init must be thread-safe for readers
 			synchronized (this) {
 				if (this.fieldName == null) {
 					preLazyInit();
 					this.fieldName =  new SimpleName(this.ast);
 					postLazyInit(this.fieldName, FIELD_NAME_PROPERTY);
 				}
 			}
 		}
 		return this.fieldName;
 	}

 	/**
 	 * Sets the type in this cast expression to the given type.
 	 *
 	 * @param type the new type
 	 * @exception IllegalArgumentException if:
 	 * <ul>
 	 * <li>the node belongs to a different AST</li>
 	 * <li>the node already has a parent</li>
 	 * </ul>
 	 */
 	public void setFieldName(Expression name) {
 		if (name == null) {
 			throw new IllegalArgumentException();
 		}
 		ASTNode oldChild = this.fieldName;
 		preReplaceChild(oldChild, name, FIELD_NAME_PROPERTY);
 		this.fieldName = name;
 		postReplaceChild(oldChild, name, FIELD_NAME_PROPERTY);
 	}

 	/**
 	 * Returns the expression of this cast expression.
 	 *
 	 * @return the expression node
 	 */
 	public Expression getInitializer() {
 		if (this.initializer == null) {
 			// lazy init must be thread-safe for readers
 			synchronized (this) {
 				if (this.initializer == null) {
 					preLazyInit();
 					this.initializer = new SimpleName(this.ast);
 					postLazyInit(this.initializer, INITIALIZER_PROPERTY);
 				}
 			}
 		}
 		return this.initializer;
 	}

 	/**
 	 * Sets the expression of this cast expression.
 	 *
 	 * @param expression the new expression 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 setInitializer(Expression expression) {
 		ASTNode oldChild = this.initializer;
 		preReplaceChild(oldChild, expression, INITIALIZER_PROPERTY);
 		this.initializer = expression;
 		postReplaceChild(oldChild, expression, INITIALIZER_PROPERTY);
 	}

 	/**
 	 * Returns the kind for this literal
 	 *
 	 * @return
 	 * @since 2.0
 	 */
 	public FieldKind getKind(){
 		return this.kind;
 	}

 	/**
 	 * Sets the kind for this object property Ordinary fields have a kind
 	 * value INIT; getters and setters have the kind values GET and SET,
 	 * respectively.
 	 *
 	 * @param fieldKind
 	 * @since 2.0
 	 */
 	public void setKind(FieldKind fieldKind) {
 		if (fieldKind == null) {
 			throw new IllegalArgumentException();
 		}
 		preValueChange(KIND_PROPERTY);
 		this.kind = fieldKind;
 		postValueChange(KIND_PROPERTY);
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	@Override
 	int memSize() {
 		// treat Code as free
 		return BASE_NODE_SIZE + 3 * 4;
 	}

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	@Override
 	int treeSize() {
 		return
 			memSize()
 			+ (this.fieldName == null ? 0 : getFieldName().treeSize())
 			+ (this.initializer == null ? 0 : getInitializer().treeSize());
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2016 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
	* Red Hat - getter/setter support
	*******************************************************************************/

	package org.eclipse.wst.jsdt.core.dom;

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


	/**
	*
	* Provisional API: This class/interface is part of an interim API that is still under development and expected to
	* change significantly before reaching stability. It is being made available at this early stage to solicit feedback
	* from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
	* (repeatedly) as the API evolves.
	*/
	public class ObjectLiteralField extends Expression {

	/**
	* @since 2.0
	*/
	public enum FieldKind{
	INIT, GET, SET;
	}
	/**
	* The "type" structural property of this node type.
	*
	*/
	public static final ChildPropertyDescriptor FIELD_NAME_PROPERTY =
	new ChildPropertyDescriptor(ObjectLiteralField.class, "fieldName", Expression.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$

	/**
	* The "expression" structural property of this node type.
	*
	*/
	public static final ChildPropertyDescriptor INITIALIZER_PROPERTY =
	new ChildPropertyDescriptor(ObjectLiteralField.class, "initializer", Expression.class, OPTIONAL, CYCLE_RISK); //$NON-NLS-1$

	/**
	* The "expression" structural property of this node type.
	*
	* @since 2.0
	*/
	public static final SimplePropertyDescriptor KIND_PROPERTY =
	new SimplePropertyDescriptor(ObjectLiteralField.class, "kind", FieldKind.class, MANDATORY); //$NON-NLS-1$


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

	static {
	List<StructuralPropertyDescriptor> properyList = new ArrayList<StructuralPropertyDescriptor>(3);
	createPropertyList(ObjectLiteralField.class, properyList);
	addProperty(FIELD_NAME_PROPERTY, properyList);
	addProperty(INITIALIZER_PROPERTY, properyList);
	addProperty(KIND_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})
	*
	*/
	public static List<StructuralPropertyDescriptor> propertyDescriptors(int apiLevel) {
	return PROPERTY_DESCRIPTORS;
	}

	/**
	* The type; lazily initialized; defaults to a unspecified,
	* legal type.
	*/
	private Expression fieldName = null;

	/**
	* The expression; lazily initialized; defaults to a unspecified, but legal,
	* expression.
	*/
	private Expression initializer = null;

	/**
	* Ordinary fields have a kind value INIT;
	* getters and setters have the kind values GET and SET, respectively.
	*/
	private FieldKind kind = FieldKind.INIT;

	/**
	* Creates a new AST node for a cast expression owned by the given
	* AST. By default, the type and expression are unspecified (but legal).
	* <p>
	* N.B. This constructor is package-private.
	* </p>
	*
	* @param ast the AST that is to own this node
	*/
	ObjectLiteralField(AST ast) {
	super(ast);
	}

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

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	@Override
	final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
	if (property == INITIALIZER_PROPERTY) {
	if (get) {
	return getInitializer();
	} else {
	setInitializer((Expression) child);
	return null;
	}
	}
	if (property == FIELD_NAME_PROPERTY) {
	if (get) {
	return getFieldName();
	} else {
	setFieldName((Expression) child);
	return null;
	}
	}
	// allow default implementation to flag the error
	return super.internalGetSetChildProperty(property, get, child);
	}

	@Override
	final Object internalGetSetObjectProperty(SimplePropertyDescriptor property, boolean get, Object value) {
	if(property == KIND_PROPERTY){
	if(get){
	return getKind();
	}else{
	setKind((FieldKind) value);
	return null;
	}
	}
	return super.internalGetSetObjectProperty(property,get,value);
	}


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

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	@Override
	ASTNode clone0(AST target) {
	ObjectLiteralField result = new ObjectLiteralField(target);
	result.setSourceRange(this.getStartPosition(), this.getLength());
	result.setFieldName( (Expression) getFieldName().clone(target));
	result.setKind(kind);
	if(initializer != null ){
	result.setInitializer((Expression) getInitializer().clone(target));
	}
	return result;
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	@Override
	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.
	*/
	@Override
	void accept0(ASTVisitor visitor) {
	boolean visitChildren = visitor.visit(this);
	if (visitChildren) {
	// visit children in normal left to right reading order
	acceptChild(visitor, getFieldName());
	acceptChild(visitor, getInitializer());
	}
	visitor.endVisit(this);
	}

	/**
	* Returns the type in this cast expression.
	*
	* @return the type
	*/
	public Expression getFieldName() {
	if (this.fieldName == null) {
	// lazy init must be thread-safe for readers
	synchronized (this) {
	if (this.fieldName == null) {
	preLazyInit();
	this.fieldName = new SimpleName(this.ast);
	postLazyInit(this.fieldName, FIELD_NAME_PROPERTY);
	}
	}
	}
	return this.fieldName;
	}

	/**
	* Sets the type in this cast expression to the given type.
	*
	* @param type the new type
	* @exception IllegalArgumentException if:
	* <ul>
	* <li>the node belongs to a different AST</li>
	* <li>the node already has a parent</li>
	* </ul>
	*/
	public void setFieldName(Expression name) {
	if (name == null) {
	throw new IllegalArgumentException();
	}
	ASTNode oldChild = this.fieldName;
	preReplaceChild(oldChild, name, FIELD_NAME_PROPERTY);
	this.fieldName = name;
	postReplaceChild(oldChild, name, FIELD_NAME_PROPERTY);
	}

	/**
	* Returns the expression of this cast expression.
	*
	* @return the expression node
	*/
	public Expression getInitializer() {
	if (this.initializer == null) {
	// lazy init must be thread-safe for readers
	synchronized (this) {
	if (this.initializer == null) {
	preLazyInit();
	this.initializer = new SimpleName(this.ast);
	postLazyInit(this.initializer, INITIALIZER_PROPERTY);
	}
	}
	}
	return this.initializer;
	}

	/**
	* Sets the expression of this cast expression.
	*
	* @param expression the new expression 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 setInitializer(Expression expression) {
	ASTNode oldChild = this.initializer;
	preReplaceChild(oldChild, expression, INITIALIZER_PROPERTY);
	this.initializer = expression;
	postReplaceChild(oldChild, expression, INITIALIZER_PROPERTY);
	}

	/**
	* Returns the kind for this literal
	*
	* @return
	* @since 2.0
	*/
	public FieldKind getKind(){
	return this.kind;
	}

	/**
	* Sets the kind for this object property Ordinary fields have a kind
	* value INIT; getters and setters have the kind values GET and SET,
	* respectively.
	*
	* @param fieldKind
	* @since 2.0
	*/
	public void setKind(FieldKind fieldKind) {
	if (fieldKind == null) {
	throw new IllegalArgumentException();
	}
	preValueChange(KIND_PROPERTY);
	this.kind = fieldKind;
	postValueChange(KIND_PROPERTY);
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	@Override
	int memSize() {
	// treat Code as free
	return BASE_NODE_SIZE + 3 * 4;
	}

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	@Override
	int treeSize() {
	return
	memSize()
	+ (this.fieldName == null ? 0 : getFieldName().treeSize())
	+ (this.initializer == null ? 0 : getInitializer().treeSize());
	}
	}