check_debug.c

   1 /*
   2  * sparse/check_debug.c
   3  *
   4  * Copyright (C) 2009 Dan Carpenter.
   5  *
   6  * Licensed under the Open Software License version 1.1
   7  *
   8  */
   9
  10 #include "smatch.h"
  11 #include "smatch_slist.h"  // blast this was supposed to be internal only stuff
  12
  13 static int my_id;
  14
  15 static void match_all_values(const char *fn, struct expression *expr, void *info)
  16 {
  17         struct state_list *slist;
  18
  19         slist = get_all_states(SMATCH_EXTRA);
  20         __print_slist(slist);
  21         free_slist(&slist);
  22 }
  23
  24 static void match_print_value(const char *fn, struct expression *expr, void *info)
  25 {
  26         struct state_list *slist;
  27         struct sm_state *tmp;
  28         struct expression *arg_expr;
  29
  30         arg_expr = get_argument_from_call_expr(expr->args, 0);
  31         if (arg_expr->type != EXPR_STRING) {
  32                 smatch_msg("error:  the argument to %s is supposed to be a string literal", fn);
  33                 return;
  34         }
  35
  36         slist = get_all_states(SMATCH_EXTRA);
  37         FOR_EACH_PTR(slist, tmp) {
  38                 if (!strcmp(tmp->name, arg_expr->string->data))
  39                         smatch_msg("%s = %s", tmp->name, tmp->state->name);
  40         } END_FOR_EACH_PTR(tmp);
  41         free_slist(&slist);
  42 }
  43
  44
  45 void check_debug(int id)
  46 {
  47         my_id = id;
  48         add_function_hook("__smatch_all_values", &match_all_values, NULL);
  49         add_function_hook("__smatch_print_value", &match_print_value, NULL);
  50 }