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/* ____ ____ ____ ____ ______ *\
** / __// __ \/ __// __ \/ ____/ SOcos COmpiles Scala **
** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002, LAMP/EPFL **
** /_____/\____/\___/\____/____/ **
** **
\* */
// $Id$
package scalac.ast;
import scalac.ast.*;
/**
* Abstract superclass for all TreeCopyFactories, which provides only
* the code to copy the attribution from the "old" to the "new" tree.
*
* @author Michel Schinz
* @version 1.0
*/
public abstract class AbstractTreeCopyFactory implements TreeCopyFactory {
public void attribute(Tree newTree, Tree oldTree) {
if (newTree != oldTree) {
newTree.type = oldTree.type;
if (newTree.hasSymbol())
newTree.setSymbol(oldTree.symbol());
}
}
}
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