scanner_exception.sa

Java写的词法/语法分析器。可生成JAVA语言或者是C++的词法和语法分析器。并可产生语法分析树和对该树进行遍历

(* 

  ANTLR Translator Generator
  Project led by Terence Parr at http://www.jGuru.com
  Software rights: http://www.antlr.org/RIGHTS.html
 
  $Id: //depot/code/org.antlr/release/antlr-2.7.0/lib/sather/Antlr/scanner_exception.sa#1 $

*)

class ANTLR_SCANNER_EXCEPTION < $STR is

   attr what   : STR;
   attr line   : INT;
   -- attr column : INT;
   -- attr c      : INT;
  
   create : SAME is 
      res : SAME := new;
      res.what := "scanner error";
      return res;
   end;

   create ( m : STR ) : SAME is
      res : SAME := new;
      res.what := m;
      return res;
   end;

   create ( w : STR , l : INT ) : SAME is
      res : SAME := new;
      res.what := w;
      res.line := l;
      return res;
   end;

   str : STR is
      return "line(" + line + "), " + what;
   end;

end;