lexparse.java

java语法解释器生成器

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    "\031\042\032\035\033\032\045\041\047\022\050\037\051" +
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    "\054\ufff2\001\002\000\006\025\uffed\035\uffed\001\002\000" +
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    "\030\ufff1\031\ufff1\032\ufff1\033\ufff1\034\ufff1\045\ufff1\047" +
    "\ufff1\050\ufff1\051\ufff1\052\ufff1\053\ufff1\054\ufff1\001\002" +
    "\000\054\002\uffea\003\uffea\004\uffea\006\uffea\010\uffea\016" +
    "\uffea\021\uffea\026\uffea\027\uffea\030\uffea\031\uffea\032\uffea" +
    "\033\uffea\034\uffea\045\uffea\047\uffea\050\uffea\051\uffea\052" +
    "\uffea\053\uffea\054\uffea\001\002\000\012\007\157\025\uffec" +
    "\035\uffec\045\106\001\002\000\006\025\uffeb\035\uffeb\001" +
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    "\016\uffef\021\uffef\026\uffef\027\uffef\030\uffef\031\uffef\032" +
    "\uffef\033\uffef\034\uffef\045\uffef\047\uffef\050\uffef\051\uffef" +
    "\052\uffef\053\uffef\054\uffef\001\002" });

  /** Access to parse-action table. */
  public short[][] action_table() {return _action_table;}

  /** <code>reduce_goto</code> table. */
  protected static final short[][] _reduce_table = 
    unpackFromStrings(new String[] {
    "\000\156\000\004\005\004\001\001\000\004\002\007\001" +
    "\001\000\002\001\001\000\002\001\001\000\002\001\001" +
    "\000\004\003\012\001\001\000\002\001\001\000\010\004" +
    "\116\016\114\021\117\001\001\000\002\001\001\000\002" +
    "\001\001\000\002\001\001\000\002\001\001\000\016\006" +
    "\025\007\032\010\037\011\042\012\035\020\026\001\001" +
    "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
    "\002\001\001\000\012\010\112\011\042\012\035\020\026" +
    "\001\001\000\002\001\001\000\002\001\001\000\002\001" +
    "\001\000\002\001\001\000\002\001\001\000\002\001\001" +
    "\000\012\010\110\011\042\012\035\020\026\001\001\000" +
    "\016\006\104\007\032\010\037\011\042\012\035\020\026" +
    "\001\001\000\002\001\001\000\002\001\001\000\012\010" +
    "\103\011\042\012\035\020\026\001\001\000\002\001\001" +
    "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
    "\010\014\045\017\053\020\044\001\001\000\002\001\001" +
    "\000\002\001\001\000\010\014\045\017\070\020\044\001" +
    "\001\000\010\014\045\017\064\020\044\001\001\000\002" +
    "\001\001\000\002\001\001\000\002\001\001\000\006\014" +
    "\060\020\057\001\001\000\002\001\001\000\002\001\001" +
    "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
    "\002\001\001\000\002\001\001\000\002\001\001\000\006" +
    "\014\060\020\057\001\001\000\002\001\001\000\010\014" +
    "\045\017\072\020\044\001\001\000\002\001\001\000\006" +
    "\014\060\020\057\001\001\000\002\001\001\000\006\014" +
    "\060\020\057\001\001\000\002\001\001\000\002\001\001" +
    "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
    "\002\001\001\000\002\001\001\000\002\001\001\000\002" +
    "\001\001\000\002\001\001\000\014\007\107\010\037\011" +
    "\042\012\035\020\026\001\001\000\002\001\001\000\012" +
    "\010\110\011\042\012\035\020\026\001\001\000\002\001" +
    "\001\000\002\001\001\000\002\001\001\000\002\001\001" +
    "\000\004\022\140\001\001\000\004\015\132\001\001\000" +
    "\002\001\001\000\006\004\121\016\114\001\001\000\004" +
    "\015\122\001\001\000\002\001\001\000\002\001\001\000" +
    "\002\001\001\000\004\015\125\001\001\000\002\001\001" +
    "\000\002\001\001\000\010\004\116\016\114\021\130\001" +
    "\001\000\006\004\121\016\114\001\001\000\002\001\001" +
    "\000\002\001\001\000\002\001\001\000\010\004\116\016" +
    "\114\021\135\001\001\000\006\004\121\016\114\001\001" +
    "\000\002\001\001\000\002\001\001\000\016\006\142\007" +
    "\032\010\037\011\042\012\035\020\026\001\001\000\002" +
    "\001\001\000\010\013\147\023\144\024\150\001\001\000" +
    "\002\001\001\000\002\001\001\000\016\006\155\007\032" +
    "\010\037\011\042\012\035\020\026\001\001\000\002\001" +
    "\001\000\004\023\153\001\001\000\002\001\001\000\002" +
    "\001\001\000\002\001\001\000\002\001\001\000\002\001" +
    "\001\000\002\001\001\000\002\001\001\000\002\001\001" +
    "" });

  /** Access to <code>reduce_goto</code> table. */
  public short[][] reduce_table() {return _reduce_table;}

  /** Instance of action encapsulation class. */
  protected CUP$LexParse$actions action_obj;

  /** Action encapsulation object initializer. */
  protected void init_actions()
    {
      action_obj = new CUP$LexParse$actions(this);
    }

  /** Invoke a user supplied parse action. */
  public java_cup.runtime.Symbol do_action(
    int                        act_num,
    java_cup.runtime.lr_parser parser,
    java.util.Stack            stack,
    int                        top)
    throws java.lang.Exception
  {
    /* call code in generated class */
    return action_obj.CUP$LexParse$do_action(act_num, parser, stack, top);
  }

  /** Indicates start state. */
  public int start_state() {return 0;}
  /** Indicates start production. */
  public int start_production() {return 0;}

  /** <code>EOF</code> Symbol index. */
  public int EOF_sym() {return 0;}

  /** <code>error</code> Symbol index. */
  public int error_sym() {return 1;}


  /** User initialization code. */
  public void user_init() throws java.lang.Exception
    {

  action_obj.scanner = this.scanner;

    }


   public LexScan scanner;

   public LexParse(LexScan scanner) {
     super(scanner);
     this.scanner = scanner;
   }
   
   public CharClasses getCharClasses() {
     return action_obj.charClasses;
   }

   public EOFActions getEOFActions() {
     return action_obj.eofActions;
   }
       
   public void report_error(String message, Object info) {     
     if ( info instanceof java_cup.runtime.Symbol ) {
       java_cup.runtime.Symbol s = (java_cup.runtime.Symbol) info;
  
       if (s.sym == sym.EOF) 
         Out.error(ErrorMessages.UNEXPECTED_EOF);
       else
         Out.error(scanner.file, ErrorMessages.SYNTAX_ERROR, s.left, s.right);
     }
     else 
       Out.error(ErrorMessages.UNKNOWN_SYNTAX);
   }
   
   public void report_fatal_error(String message, Object info) {
     // report_error(message, info);
     throw new GeneratorException();
   }


}

/** Cup generated class to encapsulate user supplied action code.*/
class CUP$LexParse$actions {



  LexScan     scanner;
  CharClasses charClasses = new CharClasses(Options.jlex ? 127 : 0xFFFF);
  RegExps     regExps     = new RegExps();
  Macros      macros      = new Macros();
  Integer     stateNumber;
  Timer       t           = new Timer();
  EOFActions  eofActions  = new EOFActions();

  void fatalError(ErrorMessages message, int line, int col) {
    syntaxError(message, line, col);
    throw new GeneratorException();
  }

  void fatalError(ErrorMessages message) {
    fatalError(message, scanner.currentLine(), -1);
    throw new GeneratorException();
  }

  void syntaxError(ErrorMessages message) {
    Out.error(scanner.file, message, scanner.currentLine(), -1);