lexer_shared_input_state.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/lexer_shared_input_state.sa#1 $

*)

class ANTLR_LEXER_SHARED_INPUT_STATE is

   attr column : INT;
   attr line : INT;
   attr input : ANTLR_BYTE_BUFFER;
   attr file_name : STR;
   attr guessing : INT;

   private init : SAME is
      res : SAME := new;

      res.line := 1;
      res.guessing := 0;

      return res;
   end;
      
   create ( inbuf : ANTLR_BYTE_BUFFER ) : SAME 
      pre ~void( inbuf )	
   is
      res : SAME := init;
      res.input := inbuf;
      return res;
   end;      
      
   create ( in : $ISTREAM ) : SAME 
      pre ~void( in )	
   is
      inbuf : ANTLR_BYTE_BUFFER := #ANTLR_BYTE_BUFFER( in );      
      res : SAME := #SAME( inbuf );
      return res;
   end;      
   
end;