/* methods for implementation of automaton from promela description */
-/* Copyright (c) 2011-2012. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2011-2017. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include "src/internal_config.h"
#include "xbt/automaton.h"
+#include <errno.h>
+#include <string.h> /* strerror */
+#if HAVE_UNISTD_H
+# include <unistd.h> /* isatty */
+#endif
+#include <xbt/log.h>
+
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_automaton);
static xbt_automaton_t parsed_automaton;
char* state_id_src;
static void new_state(char* id, int src){
-
- char* id_state = strdup(id);
- char* first_part = strtok(id,"_");
+ char* saveptr = NULL; // for strtok_r()
+ char* id_copy = xbt_strdup(id);
+ char* first_part = strtok_r(id_copy, "_", &saveptr);
int type = 0 ; // -1=initial state; 0=intermediate state; 1=final state
if(strcmp(first_part,"accept")==0){
type = 1;
}else{
- char* second_part = strtok(NULL,"_");
+ char* second_part = strtok_r(NULL, "_", &saveptr);
if(strcmp(second_part,"init")==0){
type = -1;
}
}
+ free(id_copy);
- xbt_automaton_state_t state = NULL;
- state = xbt_automaton_state_exists(parsed_automaton, id_state);
+ xbt_automaton_state_t state = xbt_automaton_state_exists(parsed_automaton, id);
if(state == NULL){
- state = xbt_automaton_state_new(parsed_automaton, type, id_state);
+ state = xbt_automaton_state_new(parsed_automaton, type, id);
}
if(type==-1)
parsed_automaton->current_state = state;
- if(src)
- state_id_src = strdup(id_state);
-
+ if(src) {
+ if (state_id_src)
+ free(state_id_src);
+ state_id_src = xbt_strdup(id);
+ }
}
-static void new_transition(char* id, xbt_automaton_exp_label_t label){
-
- char* id_state = strdup(id);
- xbt_automaton_state_t state_dst = NULL;
+static void new_transition(char* id, xbt_automaton_exp_label_t label)
+{
new_state(id, 0);
- state_dst = xbt_automaton_state_exists(parsed_automaton, id_state);
+ xbt_automaton_state_t state_dst = xbt_automaton_state_exists(parsed_automaton, id);
xbt_automaton_state_t state_src = xbt_automaton_state_exists(parsed_automaton, state_id_src);
-
+
//xbt_transition_t trans = NULL;
xbt_automaton_transition_new(parsed_automaton, state_src, state_dst, label);
static xbt_automaton_exp_label_t new_label(int type, ...){
xbt_automaton_exp_label_t label = NULL;
+ xbt_automaton_exp_label_t left;
+ xbt_automaton_exp_label_t right;
+ xbt_automaton_exp_label_t exp_not;
+ char *p;
+
va_list ap;
va_start(ap,type);
switch(type){
- case 0 : {
- xbt_automaton_exp_label_t left = va_arg(ap, xbt_automaton_exp_label_t);
- xbt_automaton_exp_label_t right = va_arg(ap, xbt_automaton_exp_label_t);
+ case 0 :
+ left = va_arg(ap, xbt_automaton_exp_label_t);
+ right = va_arg(ap, xbt_automaton_exp_label_t);
label = xbt_automaton_exp_label_new(type, left, right);
break;
- }
- case 1 : {
- xbt_automaton_exp_label_t left = va_arg(ap, xbt_automaton_exp_label_t);
- xbt_automaton_exp_label_t right = va_arg(ap, xbt_automaton_exp_label_t);
+ case 1 :
+ left = va_arg(ap, xbt_automaton_exp_label_t);
+ right = va_arg(ap, xbt_automaton_exp_label_t);
label = xbt_automaton_exp_label_new(type, left, right);
break;
- }
- case 2 : {
- xbt_automaton_exp_label_t exp_not = va_arg(ap, xbt_automaton_exp_label_t);
+ case 2 :
+ exp_not = va_arg(ap, xbt_automaton_exp_label_t);
label = xbt_automaton_exp_label_new(type, exp_not);
break;
- }
- case 3 : {
- char* p = va_arg(ap, char*);
+ case 3 :
+ p = va_arg(ap, char*);
label = xbt_automaton_exp_label_new(type, p);
break;
- }
- case 4 : {
+ case 4 :
label = xbt_automaton_exp_label_new(type);
break;
- }
+ default:
+ XBT_DEBUG("Invalid type: %d", type);
+ break;
}
va_end(ap);
return label;
}
-
#include "parserPromela.tab.cacc"
-void xbt_automaton_load(xbt_automaton_t a, const char *file){
+void xbt_automaton_load(xbt_automaton_t a, const char *file)
+{
parsed_automaton = a;
yyin = fopen(file, "r");
+ if (yyin == NULL)
+ xbt_die("Failed to open automaton file `%s': %s", file, strerror(errno));
yyparse();
}