/* Exception thrown on an attempt to evaluate an expression that
contains an unknown constant or identifier
Copyright (c) 2007 The Regents of the University of California.
All rights reserved.
Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the above
copyright notice and the following two paragraphs appear in all copies
of this software.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.
PT_COPYRIGHT_VERSION_2
COPYRIGHTENDKEY
*/
package ptolemy.data.expr;
import ptolemy.kernel.util.IllegalActionException;
//////////////////////////////////////////////////////////////////////////
//// UndefinedConstantOrIdentifer
/**
Thrown on an attempt to evaluate an expression that contains an
unknown constant or identifier.
<p>This exception is used to catch missing constants or identifiers
during cut and paste operations by {@link ptolemy.data.expr.ParseTreeEvaluator#visitLeafNode(ptolemy.data.expr.ASTPtLeafNode)}.
@author Christopher Brooks
@version $Id$
@since Ptolemy II 6.1
@Pt.ProposedRating Red (cxh)
@Pt.AcceptedRating Red (cxh)
*/
public class UndefinedConstantOrIdentifierException extends
IllegalActionException {
/** Constructs an Exception with a detail message that includes the
* name of the first argument.
* @param nodeName The name of the missing constant or identifier
*/
public UndefinedConstantOrIdentifierException(String nodeName) {
super("The ID " + nodeName + " is undefined.");
_nodeName = nodeName;
}
///////////////////////////////////////////////////////////////////
//// public methods ////
/** Return the node name that caused the exception.
* @return the name of the unidentified constant or identifier
* that caused the exception.
*/
public String nodeName() {
return _nodeName;
}
///////////////////////////////////////////////////////////////////
//// private variables ////
/** The name of the missing constant or identifier.
*/
private String _nodeName;
}