wmsupermon/expr.h

   1 /* Copyright (C) 2006 Sergei Golubchik
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License version 2
   5    as published by the Free Software Foundation
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
  15
  16 #include <regex.h>
  17
  18 #define MAX_VAR 10
  19
  20 typedef struct {
  21   char *str;
  22   regmatch_t *pmatch;
  23   double *diff_old, *diff_new, *sum_acc;
  24 } Econtext;
  25
  26 typedef struct st_expr Expr;
  27 struct st_expr {
  28   double (*eval)(Expr *, Econtext *);
  29   union { int var; double num; Expr *arg[3]; } val;
  30 };
  31
  32 extern char *yy_err, *yy_str;
  33 extern Expr *yy_expr;
  34 extern int yy_nsum, yy_ndiff;
  35
  36 int yyparse(void);
  37