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

 /*******************************************************************************
  * Copyright (c) 2000, 2018 IBM Corporation and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.jdt.core.dom;

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

 import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;

 /**
  * Type node for a named class type, a named interface type, or a type variable.
  * <pre>
  * SimpleType:
  *    { Annotation } TypeName
  * </pre>
  * <p>
  * This kind of node is used to convert a name ({@link Name}) into a type
  * ({@link Type}) by wrapping it.
  * </p>
  *
  * In JLS8 and later, the SimpleType may have optional annotations.
  * If annotations are present, then the name must be a {@link SimpleName}.
  * Annotated qualified names are represented as {@link QualifiedType} or {@link NameQualifiedType}.
  *
  * @see QualifiedType
  * @see NameQualifiedType
  *
  * @since 2.0
  * @noinstantiate This class is not intended to be instantiated by clients.
  */
 @SuppressWarnings("rawtypes")
 public class SimpleType extends AnnotatableType {

 	/**
 	 * The "annotations" structural property of this node type (element type: {@link Annotation}).
 	 * @since 3.10
 	 */
 	public static final ChildListPropertyDescriptor ANNOTATIONS_PROPERTY =
 			internalAnnotationsPropertyFactory(SimpleType.class);

 	/**
 	 * 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;
 	/**
 	 * A list of property descriptors (element type:
 	 * {@link StructuralPropertyDescriptor}),
 	 * or null if uninitialized.
 	 * @since 3.10
 	 */
 	private static final List PROPERTY_DESCRIPTORS_8_0;

 	static {
 		List propertyList = new ArrayList(2);
 		createPropertyList(SimpleType.class, propertyList);
 		addProperty(NAME_PROPERTY, propertyList);
 		PROPERTY_DESCRIPTORS = reapPropertyList(propertyList);

 		propertyList = new ArrayList(3);
 		createPropertyList(SimpleType.class, propertyList);
 		addProperty(ANNOTATIONS_PROPERTY, propertyList);
 		addProperty(NAME_PROPERTY, propertyList);
 		PROPERTY_DESCRIPTORS_8_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
 	 * <code>AST.JLS*</code> constants
 	 * @return a list of property descriptors (element type:
 	 * {@link StructuralPropertyDescriptor})
 	 * @since 3.0
 	 */
 	public static List propertyDescriptors(int apiLevel) {
 		switch (apiLevel) {
 			case AST.JLS2_INTERNAL :
 			case AST.JLS3_INTERNAL :
 			case AST.JLS4_INTERNAL:
 				return PROPERTY_DESCRIPTORS;
 			default :
 				return PROPERTY_DESCRIPTORS_8_0;
 		}
 	}

 	/**
 	 * The type name node; lazily initialized; defaults to a type with
 	 * an unspecified, 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 AnnotatableType.
 	 * @since 3.10
 	 */
 	@Override
 	final ChildListPropertyDescriptor internalAnnotationsProperty() {
 		return ANNOTATIONS_PROPERTY;
 	}

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

 	@Override
 	final List internalGetChildListProperty(ChildListPropertyDescriptor property) {
 		if (property == ANNOTATIONS_PROPERTY) {
 			return annotations();
 		}
 		// allow default implementation to flag the error
 		return super.internalGetChildListProperty(property);
 	}

 	@Override
 	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);
 	}

 	@Override
 	final int getNodeType0() {
 		return SIMPLE_TYPE;
 	}

 	@Override
 	ASTNode clone0(AST target) {
 		SimpleType result = new SimpleType(target);
 		result.setSourceRange(getStartPosition(), getLength());
 		if (this.ast.apiLevel >= AST.JLS8_INTERNAL) {
 			result.annotations().addAll(
 					ASTNode.copySubtrees(target, annotations()));
 		}
 		result.setName((Name) (getName()).clone(target));
 		return result;
 	}

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

 	@Override
 	void accept0(ASTVisitor visitor) {
 		boolean visitChildren = visitor.visit(this);
 		if (visitChildren) {
 			// visit children in normal left to right reading order
 			if (this.ast.apiLevel >= AST.JLS8_INTERNAL) {
 				acceptChildren(visitor, this.annotations);
 			}
 			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
 	 * @exception 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);
 	}

 	/**
 	 * @exception UnsupportedOperationException if this operation is used below JLS10
 	 * @since 3.14
 	 */
 	@Override
 	public boolean isVar() {
 		unsupportedBelow10();
 		if (Long.compare(this.ast.scanner.complianceLevel, ClassFileConstants.JDK10) < 0)
 			return false;
 		if (this.typeName == null) getName();
 		String qName = this.typeName.getFullyQualifiedName();
 		return qName != null && qName.equals("var"); //$NON-NLS-1$
 	}
 	/* (omit javadoc for this method)
 	 * Method declared on ASTNode.
 	 */
 	@Override
 	int memSize() {
 		// treat Code as free
 		return BASE_NODE_SIZE + 2 * 4;
 	}

 	@Override
 	int treeSize() {
 		return
 			memSize()
 			+ (this.annotations == null ? 0 : this.annotations.listSize())
 			+ (this.typeName == null ? 0 : getName().treeSize());
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2018 IBM Corporation and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/

	package org.eclipse.jdt.core.dom;

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

	import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;

	/**
	* Type node for a named class type, a named interface type, or a type variable.
	* <pre>
	* SimpleType:
	* { Annotation } TypeName
	* </pre>
	* <p>
	* This kind of node is used to convert a name ({@link Name}) into a type
	* ({@link Type}) by wrapping it.
	* </p>
	*
	* In JLS8 and later, the SimpleType may have optional annotations.
	* If annotations are present, then the name must be a {@link SimpleName}.
	* Annotated qualified names are represented as {@link QualifiedType} or {@link NameQualifiedType}.
	*
	* @see QualifiedType
	* @see NameQualifiedType
	*
	* @since 2.0
	* @noinstantiate This class is not intended to be instantiated by clients.
	*/
	@SuppressWarnings("rawtypes")
	public class SimpleType extends AnnotatableType {

	/**
	* The "annotations" structural property of this node type (element type: {@link Annotation}).
	* @since 3.10
	*/
	public static final ChildListPropertyDescriptor ANNOTATIONS_PROPERTY =
	internalAnnotationsPropertyFactory(SimpleType.class);

	/**
	* 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;
	/**
	* A list of property descriptors (element type:
	* {@link StructuralPropertyDescriptor}),
	* or null if uninitialized.
	* @since 3.10
	*/
	private static final List PROPERTY_DESCRIPTORS_8_0;

	static {
	List propertyList = new ArrayList(2);
	createPropertyList(SimpleType.class, propertyList);
	addProperty(NAME_PROPERTY, propertyList);
	PROPERTY_DESCRIPTORS = reapPropertyList(propertyList);

	propertyList = new ArrayList(3);
	createPropertyList(SimpleType.class, propertyList);
	addProperty(ANNOTATIONS_PROPERTY, propertyList);
	addProperty(NAME_PROPERTY, propertyList);
	PROPERTY_DESCRIPTORS_8_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
	* <code>AST.JLS*</code> constants
	* @return a list of property descriptors (element type:
	* {@link StructuralPropertyDescriptor})
	* @since 3.0
	*/
	public static List propertyDescriptors(int apiLevel) {
	switch (apiLevel) {
	case AST.JLS2_INTERNAL :
	case AST.JLS3_INTERNAL :
	case AST.JLS4_INTERNAL:
	return PROPERTY_DESCRIPTORS;
	default :
	return PROPERTY_DESCRIPTORS_8_0;
	}
	}

	/**
	* The type name node; lazily initialized; defaults to a type with
	* an unspecified, 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 AnnotatableType.
	* @since 3.10
	*/
	@Override
	final ChildListPropertyDescriptor internalAnnotationsProperty() {
	return ANNOTATIONS_PROPERTY;
	}

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

	@Override
	final List internalGetChildListProperty(ChildListPropertyDescriptor property) {
	if (property == ANNOTATIONS_PROPERTY) {
	return annotations();
	}
	// allow default implementation to flag the error
	return super.internalGetChildListProperty(property);
	}

	@Override
	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);
	}

	@Override
	final int getNodeType0() {
	return SIMPLE_TYPE;
	}

	@Override
	ASTNode clone0(AST target) {
	SimpleType result = new SimpleType(target);
	result.setSourceRange(getStartPosition(), getLength());
	if (this.ast.apiLevel >= AST.JLS8_INTERNAL) {
	result.annotations().addAll(
	ASTNode.copySubtrees(target, annotations()));
	}
	result.setName((Name) (getName()).clone(target));
	return result;
	}

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

	@Override
	void accept0(ASTVisitor visitor) {
	boolean visitChildren = visitor.visit(this);
	if (visitChildren) {
	// visit children in normal left to right reading order
	if (this.ast.apiLevel >= AST.JLS8_INTERNAL) {
	acceptChildren(visitor, this.annotations);
	}
	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
	* @exception 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);
	}

	/**
	* @exception UnsupportedOperationException if this operation is used below JLS10
	* @since 3.14
	*/
	@Override
	public boolean isVar() {
	unsupportedBelow10();
	if (Long.compare(this.ast.scanner.complianceLevel, ClassFileConstants.JDK10) < 0)
	return false;
	if (this.typeName == null) getName();
	String qName = this.typeName.getFullyQualifiedName();
	return qName != null && qName.equals("var"); //$NON-NLS-1$
	}
	/* (omit javadoc for this method)
	* Method declared on ASTNode.
	*/
	@Override
	int memSize() {
	// treat Code as free
	return BASE_NODE_SIZE + 2 * 4;
	}

	@Override
	int treeSize() {
	return
	memSize()
	+ (this.annotations == null ? 0 : this.annotations.listSize())
	+ (this.typeName == null ? 0 : getName().treeSize());
	}
	}