/*******************************************************************************
* Copyright (c) 2009 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
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.core.compiler.ast.nodes;
import org.eclipse.dltk.ast.ASTVisitor;
import org.eclipse.dltk.ast.expressions.Expression;
import org.eclipse.dltk.utils.CorePrinter;
import org.eclipse.php.internal.core.compiler.ast.visitor.ASTPrintVisitor;
/**
* Represents an indirect reference to a variable.
*
* <pre>
* e.g.
*
* <pre>
* $$a $$foo() ${foo()}
*/
public class ReflectionVariableReference extends Expression {
private Expression expression;
public ReflectionVariableReference(int start, int end, Expression name) {
super(start, end);
this.expression = name;
}
public int getKind() {
return ASTNodeKinds.REFLECTION_VARIABLE;
}
public void traverse(ASTVisitor visitor) throws Exception {
boolean visit = visitor.visit(this);
if (visit) {
expression.traverse(visitor);
}
visitor.endvisit(this);
}
public Expression getExpression() {
return this.expression;
}
/**
* We don't print anything - we use {@link ASTPrintVisitor} instead
*/
public final void printNode(CorePrinter output) {
}
public String toString() {
return ASTPrintVisitor.toXMLString(this);
}
}