/*******************************************************************************
* 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;
/**
* Represent instanceof expression
*
* <pre>
* e.g.
*
* <pre>
* $a instanceof MyClass, foo() instanceof $myClass, $a instanceof $b->$myClass
*/
public class InstanceOfExpression extends Expression {
private final Expression expr;
private final Expression className;
public InstanceOfExpression(int start, int end, Expression expr, Expression type) {
super(start, end);
assert expr != null && type != null;
this.expr = expr;
this.className = type;
}
public void traverse(ASTVisitor visitor) throws Exception {
final boolean visit = visitor.visit(this);
if (visit) {
expr.traverse(visitor);
className.traverse(visitor);
}
visitor.endvisit(this);
}
public int getKind() {
return ASTNodeKinds.INSTANCE_OF_EXPRESSION;
}
public Expression getClassName() {
return className;
}
public Expression getExpr() {
return expr;
}
/**
* We don't print anything - we use {@link ASTPrintVisitor} instead
*/
public final void printNode(CorePrinter output) {
}
public String toString() {
return ASTPrintVisitor.toXMLString(this);
}
}