X-Git-Url: http://git.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/core/dom/ParenthesizedExpression.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/core/dom/ParenthesizedExpression.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 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
+ *******************************************************************************/
+
+package net.sourceforge.phpdt.core.dom;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Parenthesized expression AST node type.
+ *
+ * <pre>
+ * ParenthesizedExpression:
+ *     <b>(</b> Expression <b>)</b>
+ * </pre>
+ * 
+ * @since 2.0
+ * @noinstantiate This class is not intended to be instantiated by clients.
+ */
+public class ParenthesizedExpression extends Expression {
+	
+	/**
+	 * The "expression" structural property of this node type.
+	 * @since 3.0
+	 */
+	public static final ChildPropertyDescriptor EXPRESSION_PROPERTY = 
+		new ChildPropertyDescriptor(ParenthesizedExpression.class, "expression", Expression.class, MANDATORY, 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(2);
+		createPropertyList(ParenthesizedExpression.class, propertyList);
+		addProperty(EXPRESSION_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})
+	 * @since 3.0
+	 */
+	public static List propertyDescriptors(int apiLevel) {
+		return PROPERTY_DESCRIPTORS;
+	}
+			
+	/**
+	 * The expression; lazily initialized; defaults to a unspecified, but legal,
+	 * expression.
+	 */
+	private Expression expression = null;
+
+	/**
+	 * Creates a new unparented parenthesized expression node owned by the given 
+	 * AST. By default, the parenthesized expression has an unspecified, but
+	 * legal, expression.
+	 * <p>
+	 * N.B. This constructor is package-private.
+	 * </p>
+	 * 
+	 * @param ast the AST that is to own this node
+	 */
+	ParenthesizedExpression(AST ast) {
+		super(ast);
+	}
+
+	/* (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 == EXPRESSION_PROPERTY) {
+			if (get) {
+				return getExpression();
+			} else {
+				setExpression((Expression) 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 int getNodeType0() {
+		return PARENTHESIZED_EXPRESSION;
+	}
+
+	/* (omit javadoc for this method)
+	 * Method declared on ASTNode.
+	 */
+	ASTNode clone0(AST target) {
+		ParenthesizedExpression result = new ParenthesizedExpression(target);
+		result.setSourceRange(this.getStartPosition(), this.getLength());
+		result.setExpression((Expression) getExpression().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, getExpression());
+		}
+		visitor.endVisit(this);
+	}
+	
+	/**
+	 * Returns the expression of this parenthesized expression.
+	 * 
+	 * @return the expression node
+	 */ 
+	public Expression getExpression() {
+		if (this.expression == null) {
+			// lazy init must be thread-safe for readers
+			synchronized (this) {
+				if (this.expression == null) {
+					preLazyInit();
+					this.expression = new SimpleName(this.ast);
+					postLazyInit(this.expression, EXPRESSION_PROPERTY);
+				}
+			}
+		}
+		return this.expression;
+	}
+		
+	/**
+	 * Sets the expression of this parenthesized 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 setExpression(Expression expression) {
+		if (expression == null) {
+			throw new IllegalArgumentException();
+		}
+		ASTNode oldChild = this.expression;
+		preReplaceChild(oldChild, expression, EXPRESSION_PROPERTY);
+		this.expression = expression;
+		postReplaceChild(oldChild, expression, EXPRESSION_PROPERTY);
+	}
+
+	/* (omit javadoc for this method)
+	 * Method declared on ASTNode.
+	 */
+	int memSize() {
+		return BASE_NODE_SIZE + 1 * 4;
+	}
+	
+	/* (omit javadoc for this method)
+	 * Method declared on ASTNode.
+	 */
+	int treeSize() {
+		return 
+			memSize()
+			+ (this.expression == null ? 0 : getExpression().treeSize());
+	}
+}
+