2.11BSD#431 - /usr/src/ucb/PORT/pascal/src/yyseman.c

   1: /*
   2:  * Copyright (c) 1980 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  */
   6: 
   7: #ifndef lint
   8: static char sccsid[] = "@(#)yyseman.c	5.1 (Berkeley) 6/5/85";
   9: #endif not lint
  10: 
  11: #include "whoami.h"
  12: #include "0.h"
  13: #include "tree_ty.h"    /* must be included for yy.h */
  14: #include "yy.h"
  15: 
  16: /*
  17:  * Assign semantics to a generated token
  18:  *
  19:  * Most terminals have a semantic value the current
  20:  * input line.  If they are generated they are flagged
  21:  * by having this number negated.
  22:  *
  23:  * The terminals which have true semantics such
  24:  * as identifiers and strings are instead given
  25:  * semantic value NIL here - we do not attempt
  26:  * to do repair, e.g. by giving generated integers
  27:  * the value 1, etc.
  28:  */
  29: nullsem(ch)
  30:     int ch;
  31: {
  32: 
  33:     switch (ch) {
  34:         case YID:
  35:         case YINT:
  36:         case YNUMB:
  37:         case YBINT:
  38:         case YSTRING:
  39:             return (NIL);
  40:         default:
  41:             return (-yyeline);
  42:     }
  43: }

Defined functions

Defined variables