package CS331.errors;

/** Exception class thrown when a lexical error is encountered. */
public class LexicalError extends CompilerError
{
   public LexicalError(Type errorNumber, String message)
   {
      super(errorNumber, message);
   }

   // Factory methods to generate the lexical exception types.

   public static LexicalError BadComment()
   {
      return new LexicalError(Type.BAD_COMMENT,
                              ">>> ERROR: Cannont include { inside a comment.");
   }

   public static LexicalError IllegalCharacter(char c)
   {
      return new LexicalError(Type.ILLEGAL_CHARACTER,
                              ">>> ERROR: Illegal character: " + c);
   }

   public static LexicalError UnterminatedComment()
   {
      return new LexicalError(Type.UNTERMINATED_COMMENT,
                              ">>> ERROR: Unterminated comment.");
   }
}