/**
* Copyright (c) 2005-2012 by Appcelerator, Inc. All Rights Reserved.
* Licensed under the terms of the Eclipse Public License (EPL).
* Please see the license.txt included with this distribution for details.
* Any modifications to this file must keep this entire header intact.
*/
/*
* Created on Apr 3, 2006
*/
package org.python.pydev.parser.visitors.comparator;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.python.pydev.parser.jython.SimpleNode;
import org.python.pydev.parser.jython.ast.VisitorBase;
import org.python.pydev.parser.visitors.NodeUtils;
class FlatVisitor extends VisitorBase {
List<SimpleNode> visited = new ArrayList<SimpleNode>();
@Override
protected Object unhandled_node(SimpleNode node) throws Exception {
visited.add(node);
//System.out.println("adding:"+node.getClass().getName());
return null;
}
@Override
public void traverse(SimpleNode node) throws Exception {
node.traverse(this);
}
}
public class SimpleNodeComparator {
public void compare(SimpleNode original, SimpleNode newNode) throws Exception, DifferException {
FlatVisitor flatVisitorOriginal = new FlatVisitor();
flatVisitorOriginal.traverse(original);
FlatVisitor flatVisitor = new FlatVisitor();
flatVisitor.traverse(original);
Iterator<SimpleNode> it = flatVisitorOriginal.visited.iterator();
Iterator<SimpleNode> it2 = flatVisitor.visited.iterator();
while (it.hasNext() && it2.hasNext()) {
SimpleNode node = it.next();
SimpleNode node2 = it2.next();
if (node.getClass() != node2.getClass()) {
throw new DifferException("Nodes differ. " + node.getClass().getName() + " != "
+ node2.getClass().getName());
}
String s1 = NodeUtils.getFullRepresentationString(node);
String s2 = NodeUtils.getFullRepresentationString(node2);
if ((s1 == null && s2 != null) || (s1 != null && s2 == null)) {
throw new DifferException("Nodes differ. (s1 == null && s2 != null) || (s1 != null && s2 == null)");
}
if (s1 == s2) { //null
continue;
}
if (s1.equals(s2.replaceAll("\r", "")) == false) {
throw new DifferException("Nodes differ. s1 != s2 \n-->" + s1 + "<--\n!=\n-->" + s2 + "<--");
}
}
}
}