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

 /**********************************************************************
  * This file is part of "Object Teams Development Tooling"-Software
  *
  * Copyright 2004, 2006 Fraunhofer Gesellschaft, Munich, Germany,
  * for its Fraunhofer Institute for Computer Architecture and Software
  * Technology (FIRST), Berlin, Germany and Technical University Berlin,
  * Germany.
  *
  * 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
  * $Id: FieldAccessSpec.java 23416 2010-02-03 19:59:31Z stephan $
  *
  * Please visit http://www.eclipse.org/objectteams for updates and contact.
  *
  * Contributors:
  * Fraunhofer FIRST - Initial API and implementation
  * Technical University Berlin - Initial API and implementation
  **********************************************************************/

 package org.eclipse.jdt.core.dom;

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

 /**
  * NEW for OTDT
  *
  *
  * Represents DOM-ASTNode for callout binding to a field of the corresponding base class (OTJLD §3.5),
  * which has to handle code from e.g. :
  * 		get value
  * 		set value
  * to e.g. :
  *		get int value
  *		set String value
  *
  * This class has following properties:
  * 	modifiers (JLS2) or isSetter (JLS3)
  *  fieldType,
  * 	name,
  * 	signature
  *
  * This node can be used only in CalloutMethodDeclaration.
  *
  * @author jsv
  */
 public class FieldAccessSpec extends MethodMappingElement
 {
 	/**
 	 * The "signature" structural property of this node type.
 	 */
 	public static final SimplePropertyDescriptor SIGNATURE_PROPERTY =
 		internalSignaturePropertyFactory(FieldAccessSpec.class);

 	/**
 	 * The "name" structural property of this node type.
 	 */
 	public static final ChildPropertyDescriptor NAME_PROPERTY =
 		internalNamePropertyFactory(FieldAccessSpec.class);

 	/**
 	 * The "fieldType" structural property of this node type.
 	 */
 	public static final ChildPropertyDescriptor FIELD_TYPE_PROPERTY =
 		new ChildPropertyDescriptor(FieldAccessSpec.class, "fieldType", Type.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_2_0;

 	private static final List PROPERTY_DESCRIPTORS_3_0;

 	static
 	{
 		List propertyList = new ArrayList(4);
 		createPropertyList(FieldAccessSpec.class, propertyList);
 		addProperty(SIGNATURE_PROPERTY, propertyList);
 		addProperty(NAME_PROPERTY, propertyList);
 		addProperty(FIELD_TYPE_PROPERTY, propertyList);
 		PROPERTY_DESCRIPTORS_2_0 = reapPropertyList(propertyList);

 		propertyList = new ArrayList(4);
 		createPropertyList(FieldAccessSpec.class, propertyList);
 		addProperty(SIGNATURE_PROPERTY, propertyList);
 		addProperty(NAME_PROPERTY, propertyList);
 		addProperty(FIELD_TYPE_PROPERTY, propertyList);
 		PROPERTY_DESCRIPTORS_3_0 = 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 AST.JLS* constants
 	 * @return a list of property descriptors (element type:
 	 * {@link StructuralPropertyDescriptor})
 	 */
 	public static List propertyDescriptors(int apiLevel)
 	{
 		if (apiLevel == AST.JLS2_INTERNAL)
 			return PROPERTY_DESCRIPTORS_2_0;
 		else
 			return PROPERTY_DESCRIPTORS_3_0;
 	}

 	boolean isSetter = false;

 	/**
 	 * The field type.
 	 * JLS2 behevior: lazily initialized; defaults to void.
 	 * Note that this field is ignored for constructor declarations.
 	 */
 	private Type _fieldType = null;

 	FieldAccessSpec(AST ast)
 	{
 		super(ast);
 	}

 	final List internalStructuralPropertiesForType(int apiLevel)
 	{
 		return propertyDescriptors(apiLevel);
 	}

 	final boolean internalGetSetBooleanProperty(SimplePropertyDescriptor property, boolean isGetRequest, boolean value)
 	{
 		if (property == SIGNATURE_PROPERTY)
 		{
 			if (isGetRequest)
 			{
 				return hasSignature();
 			}
 			else
 			{
 				setSignatureFlag(value);
 				return false;
 			}
 		}
 		return super.internalGetSetBooleanProperty(property, isGetRequest, value);
 	}

 	final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean isGetRequest, ASTNode child)
 	{
 		if (property == NAME_PROPERTY)
 		{
 			if (isGetRequest)
 			{
 				return getName();
 			}
 			else
 			{
 				setName((SimpleName) child);
 				return null;
 			}
 		}
 		if (property == FIELD_TYPE_PROPERTY)
 		{
 			if (isGetRequest)
 			{
 				return getFieldType();
 			}
 			else
 			{
 				setFieldType((Type) child);
 				return null;
 			}
 		}
 		// allow default implementation to flag the error
 		return super.internalGetSetChildProperty(property, isGetRequest, child);
 	}

 	SimplePropertyDescriptor internalSignatureProperty() {
 		return SIGNATURE_PROPERTY;
 	}

 	ChildPropertyDescriptor internalNameProperty() {
 		return NAME_PROPERTY;
 	}

 	final int getNodeType0()
 	{
 		return FIELD_ACCESS_SPEC;
 	}

 	ASTNode clone0(AST target)
 	{
 		FieldAccessSpec result = new FieldAccessSpec(target);
 		result.setSourceRange(this.getStartPosition(), this.getLength());
 		result.setSignatureFlag(this.hasSignature());
 		result.setName((SimpleName) this.getName().clone(target));
 		result.setFieldType(
 				(Type) ASTNode.copySubtree(target, getFieldType()));
 		return result;
 	}

 	void accept0(ASTVisitor visitor)
 	{
 		boolean visitChildren = visitor.visit(this);
 		if (visitChildren)
 		{
 			// visit children in normal left to right reading order
 			acceptChild(visitor, getFieldType());
 			acceptChild(visitor, getName());
 		}
 		visitor.endVisit(this);
 	}

 	final boolean subtreeMatch0(ASTMatcher matcher, Object other)
 	{
 		// dispatch to correct overloaded match method
 		return matcher.match(this, other);
 	}

 	int treeSize()
 	{
 		return memSize()
 					+ (this.getName() == null ? 0 : getName().treeSize())
 					+ (this.getFieldType() == null ? 0 : getFieldType().treeSize());
 	}

 	int memSize()
 	{
 		return BASE_NODE_SIZE + 3 * 4;
 	}

 	/**
 	 * Returns the field type of the field in this FieldAccessSpec,
 	 * exclusive of any extra array dimensions (JLS2 API only).
 	 * This is one of the few places where the void type is meaningful.
 	 * <p>
 	 * Note that this child is not relevant for constructor declarations
 	 * (although, it does still figure in subtree equality comparisons
 	 * and visits), and is devoid of the binding information ordinarily
 	 * available.
 	 * </p>
 	 *
 	 * @return the return type, possibly the void primitive type
 	 */
 	public Type getFieldType()
 	{
 		if (this._fieldType == null)
 		{
 			// lazy init must be thread-safe for readers
 			synchronized (this)
 			{
 				if (this._fieldType == null)
 				{
 					preLazyInit();
 					this._fieldType = this.ast.newPrimitiveType(PrimitiveType.VOID);
 					postLazyInit(this._fieldType, FIELD_TYPE_PROPERTY);
 				}
 			}
 		}
 		return this._fieldType;
 	}

 	/**
 	 * Sets the field type of the field declared in this FieldAccessSpec
 	 * declaration to the given type, exclusive of any extra array dimensions
 	 * (JLS2 API only). This is one of the few places where the void type is meaningful.
 	 * <p>
 	 * Note that this child is not relevant for constructor declarations
 	 * (although it does still figure in subtree equality comparisons and visits).
 	 * </p>
 	 *
 	 * @param type the new return type, possibly the void primitive 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 setFieldType(Type type)
 	{
 		if (type == null)
 		{
 			throw new IllegalArgumentException();
 		}
 		ASTNode oldChild = this._fieldType;
 		preReplaceChild(oldChild, type, FIELD_TYPE_PROPERTY);
 		this._fieldType = type;
 		postReplaceChild(oldChild, type, FIELD_TYPE_PROPERTY);
 	}

     public IVariableBinding resolveBinding() {
         return this.ast.getBindingResolver().resolveVariable(this);
     }

 }
	/**********************************************************************
	* This file is part of "Object Teams Development Tooling"-Software
	*
	* Copyright 2004, 2006 Fraunhofer Gesellschaft, Munich, Germany,
	* for its Fraunhofer Institute for Computer Architecture and Software
	* Technology (FIRST), Berlin, Germany and Technical University Berlin,
	* Germany.
	*
	* 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
	* $Id: FieldAccessSpec.java 23416 2010-02-03 19:59:31Z stephan $
	*
	* Please visit http://www.eclipse.org/objectteams for updates and contact.
	*
	* Contributors:
	* Fraunhofer FIRST - Initial API and implementation
	* Technical University Berlin - Initial API and implementation
	**********************************************************************/

	package org.eclipse.jdt.core.dom;

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

	/**
	* NEW for OTDT
	*
	*
	* Represents DOM-ASTNode for callout binding to a field of the corresponding base class (OTJLD §3.5),
	* which has to handle code from e.g. :
	* get value
	* set value
	* to e.g. :
	* get int value
	* set String value
	*
	* This class has following properties:
	* modifiers (JLS2) or isSetter (JLS3)
	* fieldType,
	* name,
	* signature
	*
	* This node can be used only in CalloutMethodDeclaration.
	*
	* @author jsv
	*/
	public class FieldAccessSpec extends MethodMappingElement
	{
	/**
	* The "signature" structural property of this node type.
	*/
	public static final SimplePropertyDescriptor SIGNATURE_PROPERTY =
	internalSignaturePropertyFactory(FieldAccessSpec.class);

	/**
	* The "name" structural property of this node type.
	*/
	public static final ChildPropertyDescriptor NAME_PROPERTY =
	internalNamePropertyFactory(FieldAccessSpec.class);

	/**
	* The "fieldType" structural property of this node type.
	*/
	public static final ChildPropertyDescriptor FIELD_TYPE_PROPERTY =
	new ChildPropertyDescriptor(FieldAccessSpec.class, "fieldType", Type.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_2_0;

	private static final List PROPERTY_DESCRIPTORS_3_0;

	static
	{
	List propertyList = new ArrayList(4);
	createPropertyList(FieldAccessSpec.class, propertyList);
	addProperty(SIGNATURE_PROPERTY, propertyList);
	addProperty(NAME_PROPERTY, propertyList);
	addProperty(FIELD_TYPE_PROPERTY, propertyList);
	PROPERTY_DESCRIPTORS_2_0 = reapPropertyList(propertyList);

	propertyList = new ArrayList(4);
	createPropertyList(FieldAccessSpec.class, propertyList);
	addProperty(SIGNATURE_PROPERTY, propertyList);
	addProperty(NAME_PROPERTY, propertyList);
	addProperty(FIELD_TYPE_PROPERTY, propertyList);
	PROPERTY_DESCRIPTORS_3_0 = 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 AST.JLS* constants
	* @return a list of property descriptors (element type:
	* {@link StructuralPropertyDescriptor})
	*/
	public static List propertyDescriptors(int apiLevel)
	{
	if (apiLevel == AST.JLS2_INTERNAL)
	return PROPERTY_DESCRIPTORS_2_0;
	else
	return PROPERTY_DESCRIPTORS_3_0;
	}

	boolean isSetter = false;

	/**
	* The field type.
	* JLS2 behevior: lazily initialized; defaults to void.
	* Note that this field is ignored for constructor declarations.
	*/
	private Type _fieldType = null;

	FieldAccessSpec(AST ast)
	{
	super(ast);
	}

	final List internalStructuralPropertiesForType(int apiLevel)
	{
	return propertyDescriptors(apiLevel);
	}

	final boolean internalGetSetBooleanProperty(SimplePropertyDescriptor property, boolean isGetRequest, boolean value)
	{
	if (property == SIGNATURE_PROPERTY)
	{
	if (isGetRequest)
	{
	return hasSignature();
	}
	else
	{
	setSignatureFlag(value);
	return false;
	}
	}
	return super.internalGetSetBooleanProperty(property, isGetRequest, value);
	}

	final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean isGetRequest, ASTNode child)
	{
	if (property == NAME_PROPERTY)
	{
	if (isGetRequest)
	{
	return getName();
	}
	else
	{
	setName((SimpleName) child);
	return null;
	}
	}
	if (property == FIELD_TYPE_PROPERTY)
	{
	if (isGetRequest)
	{
	return getFieldType();
	}
	else
	{
	setFieldType((Type) child);
	return null;
	}
	}
	// allow default implementation to flag the error
	return super.internalGetSetChildProperty(property, isGetRequest, child);
	}

	SimplePropertyDescriptor internalSignatureProperty() {
	return SIGNATURE_PROPERTY;
	}

	ChildPropertyDescriptor internalNameProperty() {
	return NAME_PROPERTY;
	}

	final int getNodeType0()
	{
	return FIELD_ACCESS_SPEC;
	}

	ASTNode clone0(AST target)
	{
	FieldAccessSpec result = new FieldAccessSpec(target);
	result.setSourceRange(this.getStartPosition(), this.getLength());
	result.setSignatureFlag(this.hasSignature());
	result.setName((SimpleName) this.getName().clone(target));
	result.setFieldType(
	(Type) ASTNode.copySubtree(target, getFieldType()));
	return result;
	}

	void accept0(ASTVisitor visitor)
	{
	boolean visitChildren = visitor.visit(this);
	if (visitChildren)
	{
	// visit children in normal left to right reading order
	acceptChild(visitor, getFieldType());
	acceptChild(visitor, getName());
	}
	visitor.endVisit(this);
	}

	final boolean subtreeMatch0(ASTMatcher matcher, Object other)
	{
	// dispatch to correct overloaded match method
	return matcher.match(this, other);
	}

	int treeSize()
	{
	return memSize()
	+ (this.getName() == null ? 0 : getName().treeSize())
	+ (this.getFieldType() == null ? 0 : getFieldType().treeSize());
	}

	int memSize()
	{
	return BASE_NODE_SIZE + 3 * 4;
	}

	/**
	* Returns the field type of the field in this FieldAccessSpec,
	* exclusive of any extra array dimensions (JLS2 API only).
	* This is one of the few places where the void type is meaningful.
	* <p>
	* Note that this child is not relevant for constructor declarations
	* (although, it does still figure in subtree equality comparisons
	* and visits), and is devoid of the binding information ordinarily
	* available.
	* </p>
	*
	* @return the return type, possibly the void primitive type
	*/
	public Type getFieldType()
	{
	if (this._fieldType == null)
	{
	// lazy init must be thread-safe for readers
	synchronized (this)
	{
	if (this._fieldType == null)
	{
	preLazyInit();
	this._fieldType = this.ast.newPrimitiveType(PrimitiveType.VOID);
	postLazyInit(this._fieldType, FIELD_TYPE_PROPERTY);
	}
	}
	}
	return this._fieldType;
	}

	/**
	* Sets the field type of the field declared in this FieldAccessSpec
	* declaration to the given type, exclusive of any extra array dimensions
	* (JLS2 API only). This is one of the few places where the void type is meaningful.
	* <p>
	* Note that this child is not relevant for constructor declarations
	* (although it does still figure in subtree equality comparisons and visits).
	* </p>
	*
	* @param type the new return type, possibly the void primitive 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 setFieldType(Type type)
	{
	if (type == null)
	{
	throw new IllegalArgumentException();
	}
	ASTNode oldChild = this._fieldType;
	preReplaceChild(oldChild, type, FIELD_TYPE_PROPERTY);
	this._fieldType = type;
	postReplaceChild(oldChild, type, FIELD_TYPE_PROPERTY);
	}

	public IVariableBinding resolveBinding() {
	return this.ast.getBindingResolver().resolveVariable(this);
	}

	}