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

 /*******************************************************************************
  * Copyright (c) 2003, 2008 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
  *     Technical University Berlin - extended API and implementation
  *******************************************************************************/

 package org.eclipse.jdt.core.dom;

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

 /**
  * Type node for a parameterized type (added in JLS3 API).
  * These nodes are used for type references (as opposed to
  * declarations of parameterized types.)
  * <pre>
  * ParameterizedType:
  *    Type <b>&lt;</b> Type { <b>,</b> Type } <b>&gt;</b>
  * </pre>
  * The first type may be a simple type or a qualified type;
  * other kinds of types are meaningless.
  *
  * @since 3.1
  * @noinstantiate This class is not intended to be instantiated by clients.
  */
 public class ParameterizedType extends Type {
     /**
      * This index represents the position inside a parameterized qualified type.
      */
     int index;

 	/**
 	 * The "type" structural property of this node type.
 	 */
 	public static final ChildPropertyDescriptor TYPE_PROPERTY =
 		new ChildPropertyDescriptor(ParameterizedType.class, "type", Type.class, MANDATORY, CYCLE_RISK); //$NON-NLS-1$

 	/**
 	 * The "typeArguments" structural property of this node type.
 	 */
 	public static final ChildListPropertyDescriptor TYPE_ARGUMENTS_PROPERTY =
 		new ChildListPropertyDescriptor(ParameterizedType.class, "typeArguments", Type.class, 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(3);
 		createPropertyList(ParameterizedType.class, propertyList);
 		addProperty(TYPE_PROPERTY, propertyList);
 		addProperty(TYPE_ARGUMENTS_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})
 	 */
 	public static List propertyDescriptors(int apiLevel) {
 		return PROPERTY_DESCRIPTORS;
 	}

 	/**
 	 * The type node; lazily initialized; defaults to an unspecfied, but legal,
 	 * type.
 	 */
 	private Type type = null;

 	/**
 	 * The type arguments (element type: <code>Type</code>).
 	 * Defaults to an empty list.
 	 */
 	private ASTNode.NodeList typeArguments =
 		new ASTNode.NodeList(TYPE_ARGUMENTS_PROPERTY);

 	/**
 	 * Creates a new unparented node for a parameterized type owned by the
 	 * given AST. By default, an unspecified, but legal, type, and no type
 	 * arguments.
 	 * <p>
 	 * N.B. This constructor is package-private.
 	 * </p>
 	 *
 	 * @param ast the AST that is to own this node
 	 */
 	ParameterizedType(AST ast) {
 		super(ast);
 	    unsupportedIn2();
 	}

 	/* (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 == TYPE_PROPERTY) {
 			if (get) {
 				return getType();
 			} else {
 				setType((Type) 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 == TYPE_ARGUMENTS_PROPERTY) {
 			return typeArguments();
 		}
 		// allow default implementation to flag the error
 		return super.internalGetChildListProperty(property);
 	}

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

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	ASTNode clone0(AST target) {
 		ParameterizedType result = new ParameterizedType(target);
 		result.setSourceRange(getStartPosition(), getLength());
 		result.setType((Type) ((ASTNode) getType()).clone(target));
 		result.typeArguments().addAll(
 			ASTNode.copySubtrees(target, typeArguments()));
 		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) {
 			// visit children in normal left to right reading order
 			acceptChild(visitor, getType());
 			acceptChildren(visitor, this.typeArguments);
 		}
 		visitor.endVisit(this);
 	}

 	/**
 	 * Returns the type of this parameterized type.
 	 *
 	 * @return the type of this parameterized type
 	 */
 	public Type getType() {
 		if (this.type == null) {
 			// lazy init must be thread-safe for readers
 			synchronized (this) {
 				if (this.type == null) {
 					preLazyInit();
 					this.type = new SimpleType(this.ast);
 					postLazyInit(this.type, TYPE_PROPERTY);
 				}
 			}
 		}
 		return this.type;
 	}

 	/**
 	 * Sets the type of this parameterized type.
 	 *
 	 * @param type the new type of this parameterized 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 setType(Type type) {
 		if (type == null) {
 			throw new IllegalArgumentException();
 		}
 		ASTNode oldChild = this.type;
 		preReplaceChild(oldChild, type, TYPE_PROPERTY);
 		this.type = type;
 		postReplaceChild(oldChild, type, TYPE_PROPERTY);
 	}

 	/**
 	 * Returns the live ordered list of type arguments of this parameterized
 	 * type. For the parameterized type to be plausible, the list should contain
 	 * at least one element and not contain primitive types.
 	 *
 	 * @return the live list of type arguments
 	 *    (element type: <code>Type</code>)
 	 */
 	public List typeArguments() {
 		return this.typeArguments;
 	}

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

 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	int treeSize() {
 		return
 			memSize()
 			+ (this.type == null ? 0 : getType().treeSize())
 			+ this.typeArguments.listSize();
 	}

 //{ObjectTeams: value dependent type?
 	public boolean isDependentType(boolean onlyRelevant) {
 		if (this.typeArguments.listSize() == 0)
 			return false;
 		ASTNode arg0 = (ASTNode)this.typeArguments.get(0);
 		if (arg0.getNodeType() == ASTNode.TYPE_ANCHOR) {
 			Name path= ((TypeAnchor)arg0).getPath();
 			if (path.isSimpleName())
 				return ((SimpleName)path).getIdentifier().equals("tthis"); //$NON-NLS-1$
 		}
 		return false;
 	}
 	public String[] getAnchorPath() {
 		if (this.typeArguments.listSize() > 0) {
 			Type type = (Type)this.typeArguments.get(0);
 			if (type.getNodeType() == ASTNode.TYPE_ANCHOR)
 				return ((TypeAnchor)type).getPath().getFullyQualifiedName().split("."); //$NON-NLS-1$
 		}
 		return new String[0];
 	}
 // SH}

 }
	/*******************************************************************************
	* Copyright (c) 2003, 2008 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
	* Technical University Berlin - extended API and implementation
	*******************************************************************************/

	package org.eclipse.jdt.core.dom;

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

	/**
	* Type node for a parameterized type (added in JLS3 API).
	* These nodes are used for type references (as opposed to
	* declarations of parameterized types.)
	* <pre>
	* ParameterizedType:
	* Type <b><</b> Type { <b>,</b> Type } <b>></b>
	* </pre>
	* The first type may be a simple type or a qualified type;
	* other kinds of types are meaningless.
	*
	* @since 3.1
	* @noinstantiate This class is not intended to be instantiated by clients.
	*/
	public class ParameterizedType extends Type {
	/**
	* This index represents the position inside a parameterized qualified type.
	*/
	int index;

	/**
	* The "type" structural property of this node type.
	*/
	public static final ChildPropertyDescriptor TYPE_PROPERTY =
	new ChildPropertyDescriptor(ParameterizedType.class, "type", Type.class, MANDATORY, CYCLE_RISK); //$NON-NLS-1$

	/**
	* The "typeArguments" structural property of this node type.
	*/
	public static final ChildListPropertyDescriptor TYPE_ARGUMENTS_PROPERTY =
	new ChildListPropertyDescriptor(ParameterizedType.class, "typeArguments", Type.class, 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(3);
	createPropertyList(ParameterizedType.class, propertyList);
	addProperty(TYPE_PROPERTY, propertyList);
	addProperty(TYPE_ARGUMENTS_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})
	*/
	public static List propertyDescriptors(int apiLevel) {
	return PROPERTY_DESCRIPTORS;
	}

	/**
	* The type node; lazily initialized; defaults to an unspecfied, but legal,
	* type.
	*/
	private Type type = null;

	/**
	* The type arguments (element type: <code>Type</code>).
	* Defaults to an empty list.
	*/
	private ASTNode.NodeList typeArguments =
	new ASTNode.NodeList(TYPE_ARGUMENTS_PROPERTY);

	/**
	* Creates a new unparented node for a parameterized type owned by the
	* given AST. By default, an unspecified, but legal, type, and no type
	* arguments.
	* <p>
	* N.B. This constructor is package-private.
	* </p>
	*
	* @param ast the AST that is to own this node
	*/
	ParameterizedType(AST ast) {
	super(ast);
	unsupportedIn2();
	}

	/* (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 == TYPE_PROPERTY) {
	if (get) {
	return getType();
	} else {
	setType((Type) 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 == TYPE_ARGUMENTS_PROPERTY) {
	return typeArguments();
	}
	// allow default implementation to flag the error
	return super.internalGetChildListProperty(property);
	}

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

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	ASTNode clone0(AST target) {
	ParameterizedType result = new ParameterizedType(target);
	result.setSourceRange(getStartPosition(), getLength());
	result.setType((Type) ((ASTNode) getType()).clone(target));
	result.typeArguments().addAll(
	ASTNode.copySubtrees(target, typeArguments()));
	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) {
	// visit children in normal left to right reading order
	acceptChild(visitor, getType());
	acceptChildren(visitor, this.typeArguments);
	}
	visitor.endVisit(this);
	}

	/**
	* Returns the type of this parameterized type.
	*
	* @return the type of this parameterized type
	*/
	public Type getType() {
	if (this.type == null) {
	// lazy init must be thread-safe for readers
	synchronized (this) {
	if (this.type == null) {
	preLazyInit();
	this.type = new SimpleType(this.ast);
	postLazyInit(this.type, TYPE_PROPERTY);
	}
	}
	}
	return this.type;
	}

	/**
	* Sets the type of this parameterized type.
	*
	* @param type the new type of this parameterized 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 setType(Type type) {
	if (type == null) {
	throw new IllegalArgumentException();
	}
	ASTNode oldChild = this.type;
	preReplaceChild(oldChild, type, TYPE_PROPERTY);
	this.type = type;
	postReplaceChild(oldChild, type, TYPE_PROPERTY);
	}

	/**
	* Returns the live ordered list of type arguments of this parameterized
	* type. For the parameterized type to be plausible, the list should contain
	* at least one element and not contain primitive types.
	*
	* @return the live list of type arguments
	* (element type: <code>Type</code>)
	*/
	public List typeArguments() {
	return this.typeArguments;
	}

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

	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	int treeSize() {
	return
	memSize()
	+ (this.type == null ? 0 : getType().treeSize())
	+ this.typeArguments.listSize();
	}

	//{ObjectTeams: value dependent type?
	public boolean isDependentType(boolean onlyRelevant) {
	if (this.typeArguments.listSize() == 0)
	return false;
	ASTNode arg0 = (ASTNode)this.typeArguments.get(0);
	if (arg0.getNodeType() == ASTNode.TYPE_ANCHOR) {
	Name path= ((TypeAnchor)arg0).getPath();
	if (path.isSimpleName())
	return ((SimpleName)path).getIdentifier().equals("tthis"); //$NON-NLS-1$
	}
	return false;
	}
	public String[] getAnchorPath() {
	if (this.typeArguments.listSize() > 0) {
	Type type = (Type)this.typeArguments.get(0);
	if (type.getNodeType() == ASTNode.TYPE_ANCHOR)
	return ((TypeAnchor)type).getPath().getFullyQualifiedName().split("."); //$NON-NLS-1$
	}
	return new String[0];
	}
	// SH}

	}