File: makescan.c

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/********************************************
makescan.c
copyright 1991, Michael D. Brennan

This is a source file for mawk, an implementation of
the AWK programming language.

Mawk is distributed without warranty under the terms of
the GNU General Public License, version 2, 1991.
********************************************/

/*$Log: makescan.c,v $
 * Revision 1.3  1993/07/17  13:23:01  mike
 * indent and general code cleanup
 *
 * Revision 1.2	 1993/07/15  13:26:59  mike
 * SIZE_T and indent
 *
 * Revision 1.1.1.1  1993/07/03	 18:58:16  mike
 * move source to cvs
 *
 * Revision 5.1	 1991/12/05  07:56:16  brennan
 * 1.1 pre-release
 *
*/

/* source for makescan.exe which builds the scancode[]
   via:	  makescan.exe > scancode.c
*/


#define	 MAKESCAN

#include  "scan.h"

char scan_code[256] ;

void
scan_init()
{
   register char *p ;

   memset(scan_code, SC_UNEXPECTED, sizeof(scan_code)) ;
   for (p = scan_code + '0'; p <= scan_code + '9'; p++)
      *p = SC_DIGIT ;
   scan_code[0] = 0 ;
   scan_code[' '] = scan_code['\t'] = scan_code['\f'] = SC_SPACE ;
   scan_code['\r'] = scan_code['\013'] = SC_SPACE ;

   scan_code[';'] = SC_SEMI_COLON ;
   scan_code['\n'] = SC_NL ;
   scan_code['{'] = SC_LBRACE ;
   scan_code['}'] = SC_RBRACE ;
   scan_code['+'] = SC_PLUS ;
   scan_code['-'] = SC_MINUS ;
   scan_code['*'] = SC_MUL ;
   scan_code['/'] = SC_DIV ;
   scan_code['%'] = SC_MOD ;
   scan_code['^'] = SC_POW ;
   scan_code['('] = SC_LPAREN ;
   scan_code[')'] = SC_RPAREN ;
   scan_code['_'] = SC_IDCHAR ;
   scan_code['='] = SC_EQUAL ;
   scan_code['#'] = SC_COMMENT ;
   scan_code['\"'] = SC_DQUOTE ;
   scan_code[','] = SC_COMMA ;
   scan_code['!'] = SC_NOT ;
   scan_code['<'] = SC_LT ;
   scan_code['>'] = SC_GT ;
   scan_code['|'] = SC_OR ;
   scan_code['&'] = SC_AND ;
   scan_code['?'] = SC_QMARK ;
   scan_code[':'] = SC_COLON ;
   scan_code['['] = SC_LBOX ;
   scan_code[']'] = SC_RBOX ;
   scan_code['\\'] = SC_ESCAPE ;
   scan_code['.'] = SC_DOT ;
   scan_code['~'] = SC_MATCH ;
   scan_code['$'] = SC_DOLLAR ;

   for (p = scan_code + 'A'; p <= scan_code + 'Z'; p++)
      *p = *(p + 'a' - 'A') = SC_IDCHAR ;

}

void
scan_print()
{
   register char *p = scan_code ;
   register int c ;		 /* column */
   register int r ;		 /* row */

   printf("\n\n/* scancode.c */\n\n\n") ;
   printf("char scan_code[256] = {\n") ;

   for (r = 1; r <= 16; r++)
   {
      for (c = 1; c <= 16; c++)
      {
	 printf("%2d", *p++) ;
	 if (r != 16 || c != 16)  putchar(',') ;
      }
      putchar('\n') ;
   }

   printf("} ;\n") ;
}


int
main(argc, argv)
   int argc ;
   char **argv ;
{
   scan_init() ;
   scan_print() ;
   return 0 ;
}