Pascal Super Library/Pascal Super Library (CW International)(1997).bin/SECURITY/MNGLR140/PASLEX.PAS

Pascal/Delphi Source File | 1996-05-01 | 13KB | 867 lines

(* lexical analyzer template (TP Lex V3.0), V1.0 3-2-91 AG *)

(* global definitions: *)
{*

Pascal lexical analyzer

*}



function yylex : Integer;

procedure yyaction ( yyruleno : Integer );
  (* local definitions: *)

var
  kw : integer;
  Stop : Boolean;

begin
  (* actions: *)
  case yyruleno of
  1:
                          begin
                            yytext := UpStr(yytext);
                            if is_keyword(yytext, kw)
                             then  return(kw)
                             else  return(IDENTIFIER);
                          end;


  2,
  3,
  4,
  5:
                          return(NUMBER);

  6,
  7:
                          return(_CHAR);


  8:
                          return(COLON);
  9:
                 return(SEMICOLON);
  10:
                 return(DOT);
  11:
                  return(DOTDOT);
  12:
                          return(ASSIGNMENT);
  13:
                          return(EQUAL);
  14:
                 return(LPAREN);
  15:
                          return(RPAREN);
  16:
                          return(LBRAC);
  17:
                          return(RBRAC);
  18:
                          return(COMMA);
  19:
                  return(GE);
  20:
                  return(LE);
  21:
                  return(NOTEQUAL);

  22:
                 return(UPARROW);

  23:
                          return(CHARACTER_STRING);

  24:
                          return(DIRECTIVE);

  25:
                          begin
                            Stop := FALSE;
                            repeat
                              if (get_char = '*') and (get_char = ')') then
                                Stop := TRUE;
                            until Stop;
                          end;

  26:
                          begin
                repeat
                            until get_char = '}';
                          end;

  27:
                     ;

  28:
                          begin
                            if Random(50) = 25 then
                              WriteProgress;
                          end;

  29:
                          ;

  30:
                          return(OTHER);

  end;
end(*yyaction*);

(* DFA table: *)

type YYTRec = record
                cc : set of Char;
                s  : Integer;
              end;

const

yynmarks   = 54;
yynmatches = 54;
yyntrans   = 89;
yynstates  = 50;

yyk : array [1..yynmarks] of Integer = (
  { 0: }
  { 1: }
  { 2: }
  1,
  30,
  { 3: }
  30,
  { 4: }
  5,
  30,
  { 5: }
  30,
  { 6: }
  30,
  { 7: }
  8,
  30,
  { 8: }
  9,
  30,
  { 9: }
  10,
  30,
  { 10: }
  13,
  30,
  { 11: }
  14,
  30,
  { 12: }
  15,
  30,
  { 13: }
  16,
  30,
  { 14: }
  17,
  30,
  { 15: }
  18,
  30,
  { 16: }
  30,
  { 17: }
  30,
  { 18: }
  22,
  30,
  { 19: }
  30,
  { 20: }
  26,
  30,
  { 21: }
  27,
  30,
  { 22: }
  28,
  { 23: }
  29,
  { 24: }
  30,
  { 25: }
  1,
  { 26: }
  { 27: }
  5,
  { 28: }
  { 29: }
  2,
  { 30: }
  4,
  { 31: }
  6,
  { 32: }
  { 33: }
  12,
  { 34: }
  11,
  { 35: }
  25,
  { 36: }
  19,
  { 37: }
  20,
  { 38: }
  21,
  { 39: }
  { 40: }
  23,
  { 41: }
  { 42: }
  3,
  { 43: }
  2,
  { 44: }
  7,
  { 45: }
  24,
  { 46: }
  { 47: }
  3
  { 48: }
  { 49: }
);

yym : array [1..yynmatches] of Integer = (
{ 0: }
{ 1: }
{ 2: }
  1,
  30,
{ 3: }
  30,
{ 4: }
  5,
  30,
{ 5: }
  30,
{ 6: }
  30,
{ 7: }
  8,
  30,
{ 8: }
  9,
  30,
{ 9: }
  10,
  30,
{ 10: }
  13,
  30,
{ 11: }
  14,
  30,
{ 12: }
  15,
  30,
{ 13: }
  16,
  30,
{ 14: }
  17,
  30,
{ 15: }
  18,
  30,
{ 16: }
  30,
{ 17: }
  30,
{ 18: }
  22,
  30,
{ 19: }
  30,
{ 20: }
  26,
  30,
{ 21: }
  27,
  30,
{ 22: }
  28,
{ 23: }
  29,
{ 24: }
  30,
{ 25: }
  1,
{ 26: }
{ 27: }
  5,
{ 28: }
{ 29: }
  2,
{ 30: }
  4,
{ 31: }
  6,
{ 32: }
{ 33: }
  12,
{ 34: }
  11,
{ 35: }
  25,
{ 36: }
  19,
{ 37: }
  20,
{ 38: }
  21,
{ 39: }
{ 40: }
  23,
{ 41: }
{ 42: }
  3,
{ 43: }
  2,
{ 44: }
  7,
{ 45: }
  24,
{ 46: }
{ 47: }
  3
{ 48: }
{ 49: }
);

yyt : array [1..yyntrans] of YYTrec = (
{ 0: }
  ( cc: [ #0 ]; s: 23),
  ( cc: [ #1..#8,#11,#13..#31,'!','"','%','&','*','+',
            '/','?','@','\','`','|'..#255 ]; s: 24),
  ( cc: [ #9,#12,' ' ]; s: 21),
  ( cc: [ #10 ]; s: 22),
  ( cc: [ '#' ]; s: 6),
  ( cc: [ '$' ]; s: 5),
  ( cc: [ '''' ]; s: 19),
  ( cc: [ '(' ]; s: 11),
  ( cc: [ ')' ]; s: 12),
  ( cc: [ ',' ]; s: 15),
  ( cc: [ '-' ]; s: 3),
  ( cc: [ '.' ]; s: 9),
  ( cc: [ '0'..'9' ]; s: 4),
  ( cc: [ ':' ]; s: 7),
  ( cc: [ ';' ]; s: 8),
  ( cc: [ '<' ]; s: 17),
  ( cc: [ '=' ]; s: 10),
  ( cc: [ '>' ]; s: 16),
  ( cc: [ 'A'..'Z','_','a'..'z' ]; s: 2),
  ( cc: [ '[' ]; s: 13),
  ( cc: [ ']' ]; s: 14),
  ( cc: [ '^' ]; s: 18),
  ( cc: [ '{' ]; s: 20),
{ 1: }
  ( cc: [ #0 ]; s: 23),
  ( cc: [ #1..#8,#11,#13..#31,'!','"','%','&','*','+',
            '/','?','@','\','`','|'..#255 ]; s: 24),
  ( cc: [ #9,#12,' ' ]; s: 21),
  ( cc: [ #10 ]; s: 22),
  ( cc: [ '#' ]; s: 6),
  ( cc: [ '$' ]; s: 5),
  ( cc: [ '''' ]; s: 19),
  ( cc: [ '(' ]; s: 11),
  ( cc: [ ')' ]; s: 12),
  ( cc: [ ',' ]; s: 15),
  ( cc: [ '-' ]; s: 3),
  ( cc: [ '.' ]; s: 9),
  ( cc: [ '0'..'9' ]; s: 4),
  ( cc: [ ':' ]; s: 7),
  ( cc: [ ';' ]; s: 8),
  ( cc: [ '<' ]; s: 17),
  ( cc: [ '=' ]; s: 10),
  ( cc: [ '>' ]; s: 16),
  ( cc: [ 'A'..'Z','_','a'..'z' ]; s: 2),
  ( cc: [ '[' ]; s: 13),
  ( cc: [ ']' ]; s: 14),
  ( cc: [ '^' ]; s: 18),
  ( cc: [ '{' ]; s: 20),
{ 2: }
  ( cc: [ '0'..'9','A'..'Z','_','a'..'z' ]; s: 25),
{ 3: }
  ( cc: [ '0'..'9' ]; s: 26),
{ 4: }
  ( cc: [ '.' ]; s: 28),
  ( cc: [ '0'..'9' ]; s: 27),
  ( cc: [ 'E' ]; s: 29),
{ 5: }
  ( cc: [ '0'..'9','A'..'F','a'..'f' ]; s: 30),
{ 6: }
  ( cc: [ '$' ]; s: 32),
  ( cc: [ '0'..'9' ]; s: 31),
{ 7: }
  ( cc: [ '=' ]; s: 33),
{ 8: }
{ 9: }
  ( cc: [ '.' ]; s: 34),
{ 10: }
{ 11: }
  ( cc: [ '*' ]; s: 35),
{ 12: }
{ 13: }
{ 14: }
{ 15: }
{ 16: }
  ( cc: [ '=' ]; s: 36),
{ 17: }
  ( cc: [ '=' ]; s: 37),
  ( cc: [ '>' ]; s: 38),
{ 18: }
{ 19: }
  ( cc: [ #1..'&','('..#255 ]; s: 39),
  ( cc: [ '''' ]; s: 40),
{ 20: }
  ( cc: [ '$' ]; s: 41),
{ 21: }
{ 22: }
{ 23: }
{ 24: }
{ 25: }
  ( cc: [ '0'..'9','A'..'Z','_','a'..'z' ]; s: 25),
{ 26: }
  ( cc: [ '.' ]; s: 48),
  ( cc: [ '0'..'9' ]; s: 26),
  ( cc: [ 'E' ]; s: 29),
{ 27: }
  ( cc: [ '.' ]; s: 28),
  ( cc: [ '0'..'9' ]; s: 27),
  ( cc: [ 'E' ]; s: 29),
{ 28: }
  ( cc: [ '0'..'9' ]; s: 42),
{ 29: }
  ( cc: [ '+','-' ]; s: 49),
  ( cc: [ '0'..'9' ]; s: 43),
{ 30: }
  ( cc: [ '0'..'9','A'..'F','a'..'f' ]; s: 30),
{ 31: }
  ( cc: [ '0'..'9' ]; s: 31),
{ 32: }
  ( cc: [ '0'..'9','A'..'F','a'..'f' ]; s: 44),
{ 33: }
{ 34: }
{ 35: }
{ 36: }
{ 37: }
{ 38: }
{ 39: }
  ( cc: [ #1..'&','('..#255 ]; s: 39),
  ( cc: [ '''' ]; s: 40),
{ 40: }
  ( cc: [ '''' ]; s: 39),
{ 41: }
  ( cc: [ #1..'|','~'..#255 ]; s: 41),
  ( cc: [ '}' ]; s: 45),
{ 42: }
  ( cc: [ '0'..'9' ]; s: 47),
  ( cc: [ 'E' ]; s: 29),
{ 43: }
  ( cc: [ '0'..'9' ]; s: 43),
{ 44: }
  ( cc: [ '0'..'9','A'..'F','a'..'f' ]; s: 44),
{ 45: }
{ 46: }
  ( cc: [ 'E' ]; s: 29),
{ 47: }
  ( cc: [ '0'..'9' ]; s: 47),
{ 48: }
  ( cc: [ '0'..'9' ]; s: 46),
{ 49: }
  ( cc: [ '0'..'9' ]; s: 43)
);

yykl : array [0..yynstates-1] of Integer = (
{ 0: } 1,
{ 1: } 1,
{ 2: } 1,
{ 3: } 3,
{ 4: } 4,
{ 5: } 6,
{ 6: } 7,
{ 7: } 8,
{ 8: } 10,
{ 9: } 12,
{ 10: } 14,
{ 11: } 16,
{ 12: } 18,
{ 13: } 20,
{ 14: } 22,
{ 15: } 24,
{ 16: } 26,
{ 17: } 27,
{ 18: } 28,
{ 19: } 30,
{ 20: } 31,
{ 21: } 33,
{ 22: } 35,
{ 23: } 36,
{ 24: } 37,
{ 25: } 38,
{ 26: } 39,
{ 27: } 39,
{ 28: } 40,
{ 29: } 40,
{ 30: } 41,
{ 31: } 42,
{ 32: } 43,
{ 33: } 43,
{ 34: } 44,
{ 35: } 45,
{ 36: } 46,
{ 37: } 47,
{ 38: } 48,
{ 39: } 49,
{ 40: } 49,
{ 41: } 50,
{ 42: } 50,
{ 43: } 51,
{ 44: } 52,
{ 45: } 53,
{ 46: } 54,
{ 47: } 54,
{ 48: } 55,
{ 49: } 55
);

yykh : array [0..yynstates-1] of Integer = (
{ 0: } 0,
{ 1: } 0,
{ 2: } 2,
{ 3: } 3,
{ 4: } 5,
{ 5: } 6,
{ 6: } 7,
{ 7: } 9,
{ 8: } 11,
{ 9: } 13,
{ 10: } 15,
{ 11: } 17,
{ 12: } 19,
{ 13: } 21,
{ 14: } 23,
{ 15: } 25,
{ 16: } 26,
{ 17: } 27,
{ 18: } 29,
{ 19: } 30,
{ 20: } 32,
{ 21: } 34,
{ 22: } 35,
{ 23: } 36,
{ 24: } 37,
{ 25: } 38,
{ 26: } 38,
{ 27: } 39,
{ 28: } 39,
{ 29: } 40,
{ 30: } 41,
{ 31: } 42,
{ 32: } 42,
{ 33: } 43,
{ 34: } 44,
{ 35: } 45,
{ 36: } 46,
{ 37: } 47,
{ 38: } 48,
{ 39: } 48,
{ 40: } 49,
{ 41: } 49,
{ 42: } 50,
{ 43: } 51,
{ 44: } 52,
{ 45: } 53,
{ 46: } 53,
{ 47: } 54,
{ 48: } 54,
{ 49: } 54
);

yyml : array [0..yynstates-1] of Integer = (
{ 0: } 1,
{ 1: } 1,
{ 2: } 1,
{ 3: } 3,
{ 4: } 4,
{ 5: } 6,
{ 6: } 7,
{ 7: } 8,
{ 8: } 10,
{ 9: } 12,
{ 10: } 14,
{ 11: } 16,
{ 12: } 18,
{ 13: } 20,
{ 14: } 22,
{ 15: } 24,
{ 16: } 26,
{ 17: } 27,
{ 18: } 28,
{ 19: } 30,
{ 20: } 31,
{ 21: } 33,
{ 22: } 35,
{ 23: } 36,
{ 24: } 37,
{ 25: } 38,
{ 26: } 39,
{ 27: } 39,
{ 28: } 40,
{ 29: } 40,
{ 30: } 41,
{ 31: } 42,
{ 32: } 43,
{ 33: } 43,
{ 34: } 44,
{ 35: } 45,
{ 36: } 46,
{ 37: } 47,
{ 38: } 48,
{ 39: } 49,
{ 40: } 49,
{ 41: } 50,
{ 42: } 50,
{ 43: } 51,
{ 44: } 52,
{ 45: } 53,
{ 46: } 54,
{ 47: } 54,
{ 48: } 55,
{ 49: } 55
);

yymh : array [0..yynstates-1] of Integer = (
{ 0: } 0,
{ 1: } 0,
{ 2: } 2,
{ 3: } 3,
{ 4: } 5,
{ 5: } 6,
{ 6: } 7,
{ 7: } 9,
{ 8: } 11,
{ 9: } 13,
{ 10: } 15,
{ 11: } 17,
{ 12: } 19,
{ 13: } 21,
{ 14: } 23,
{ 15: } 25,
{ 16: } 26,
{ 17: } 27,
{ 18: } 29,
{ 19: } 30,
{ 20: } 32,
{ 21: } 34,
{ 22: } 35,
{ 23: } 36,
{ 24: } 37,
{ 25: } 38,
{ 26: } 38,
{ 27: } 39,
{ 28: } 39,
{ 29: } 40,
{ 30: } 41,
{ 31: } 42,
{ 32: } 42,
{ 33: } 43,
{ 34: } 44,
{ 35: } 45,
{ 36: } 46,
{ 37: } 47,
{ 38: } 48,
{ 39: } 48,
{ 40: } 49,
{ 41: } 49,
{ 42: } 50,
{ 43: } 51,
{ 44: } 52,
{ 45: } 53,
{ 46: } 53,
{ 47: } 54,
{ 48: } 54,
{ 49: } 54
);

yytl : array [0..yynstates-1] of Integer = (
{ 0: } 1,
{ 1: } 24,
{ 2: } 47,
{ 3: } 48,
{ 4: } 49,
{ 5: } 52,
{ 6: } 53,
{ 7: } 55,
{ 8: } 56,
{ 9: } 56,
{ 10: } 57,
{ 11: } 57,
{ 12: } 58,
{ 13: } 58,
{ 14: } 58,
{ 15: } 58,
{ 16: } 58,
{ 17: } 59,
{ 18: } 61,
{ 19: } 61,
{ 20: } 63,
{ 21: } 64,
{ 22: } 64,
{ 23: } 64,
{ 24: } 64,
{ 25: } 64,
{ 26: } 65,
{ 27: } 68,
{ 28: } 71,
{ 29: } 72,
{ 30: } 74,
{ 31: } 75,
{ 32: } 76,
{ 33: } 77,
{ 34: } 77,
{ 35: } 77,
{ 36: } 77,
{ 37: } 77,
{ 38: } 77,
{ 39: } 77,
{ 40: } 79,
{ 41: } 80,
{ 42: } 82,
{ 43: } 84,
{ 44: } 85,
{ 45: } 86,
{ 46: } 86,
{ 47: } 87,
{ 48: } 88,
{ 49: } 89
);

yyth : array [0..yynstates-1] of Integer = (
{ 0: } 23,
{ 1: } 46,
{ 2: } 47,
{ 3: } 48,
{ 4: } 51,
{ 5: } 52,
{ 6: } 54,
{ 7: } 55,
{ 8: } 55,
{ 9: } 56,
{ 10: } 56,
{ 11: } 57,
{ 12: } 57,
{ 13: } 57,
{ 14: } 57,
{ 15: } 57,
{ 16: } 58,
{ 17: } 60,
{ 18: } 60,
{ 19: } 62,
{ 20: } 63,
{ 21: } 63,
{ 22: } 63,
{ 23: } 63,
{ 24: } 63,
{ 25: } 64,
{ 26: } 67,
{ 27: } 70,
{ 28: } 71,
{ 29: } 73,
{ 30: } 74,
{ 31: } 75,
{ 32: } 76,
{ 33: } 76,
{ 34: } 76,
{ 35: } 76,
{ 36: } 76,
{ 37: } 76,
{ 38: } 76,
{ 39: } 78,
{ 40: } 79,
{ 41: } 81,
{ 42: } 83,
{ 43: } 84,
{ 44: } 85,
{ 45: } 85,
{ 46: } 86,
{ 47: } 87,
{ 48: } 88,
{ 49: } 89
);


var yyn : Integer;

label start, scan, action;

begin

start:

  (* initialize: *)

  yynew;

scan:

  (* mark positions and matches: *)

  for yyn := yykl[yystate] to     yykh[yystate] do yymark(yyk[yyn]);
  for yyn := yymh[yystate] downto yyml[yystate] do yymatch(yym[yyn]);

  if yytl[yystate]>yyth[yystate] then goto action; (* dead state *)

  (* get next character: *)

  yyscan;

  (* determine action: *)

  yyn := yytl[yystate];
  while (yyn<=yyth[yystate]) and not (yyactchar in yyt[yyn].cc) do inc(yyn);
  if yyn>yyth[yystate] then goto action;
    (* no transition on yyactchar in this state *)

  (* switch to new state: *)

  yystate := yyt[yyn].s;

  goto scan;

action:

  (* execute action: *)

  if yyfind(yyrule) then
    begin
      yyaction(yyrule);
      if yyreject then goto action;
    end
  else if not yydefault and yywrap then
    begin
      yyclear;
      return(0);
    end;

  if not yydone then goto start;

  yylex := yyretval;

end(*yylex*);