EvalException.java

package calculator.interpreter;

import calculator.interpreter.ast.Node;
import net.sf.etl.parsers.SourceLocation;

/**
 * The evaluation exception is thrown when there is an semantic evaluation error
 * and it makes no sense to show the user the full stack trace.
 */
public class EvalException extends RuntimeException {
  /** serial version id */
  private static final long serialVersionUID = -2305068700074709931L;

  /**
   * The constructor
   * 
   * @param node the node that caused the exception
   * @param message the error message to show to user
   */
  public EvalException(Node node, String message) {
    this(node.location, message);
  }

  /**
   * The constructor
   * 
   * @param location the source location that caused the exception
   * @param message the error message to show to user
   */
  public EvalException(SourceLocation location, String message) {
    super(location.toShortString() + ":" + message);
  }
}