/* automaton - representation of büchi automaton */
-/* Copyright (c) 2011-2013. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2011-2019. 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 "xbt/automaton.h"
#include <stdio.h> /* printf */
-
-xbt_automaton_t xbt_automaton_new(){
- xbt_automaton_t automaton = NULL;
- automaton = xbt_new0(struct xbt_automaton, 1);
+#include <xbt/sysdep.h>
+
+struct xbt_automaton_propositional_symbol{
+ char* pred;
+ /** Callback used to evaluate the value of the symbol */
+ int (*callback)(void*);
+ /** Additional data for the callback.
+ Alternatively it can be used as a pointer to the data. */
+ void* data;
+ /** Optional callback used to free the data field */
+ void (*free_function)(void*);
+};
+
+xbt_automaton_t xbt_automaton_new(void){
+ xbt_automaton_t automaton = xbt_new0(struct xbt_automaton, 1);
automaton->states = xbt_dynar_new(sizeof(xbt_automaton_state_t), xbt_automaton_state_free_voidp);
automaton->transitions = xbt_dynar_new(sizeof(xbt_automaton_transition_t), xbt_automaton_transition_free_voidp);
automaton->propositional_symbols = xbt_dynar_new(sizeof(xbt_automaton_propositional_symbol_t), xbt_automaton_propositional_symbol_free_voidp);
}
xbt_automaton_state_t xbt_automaton_state_new(xbt_automaton_t a, int type, char* id){
- xbt_automaton_state_t state = NULL;
- state = xbt_new0(struct xbt_automaton_state, 1);
+ xbt_automaton_state_t state = xbt_new0(struct xbt_automaton_state, 1);
state->type = type;
- state->id = strdup(id);
+ state->id = xbt_strdup(id);
state->in = xbt_dynar_new(sizeof(xbt_automaton_transition_t), xbt_automaton_transition_free_voidp);
- state->out = xbt_dynar_new(sizeof(xbt_automaton_transition_t), xbt_automaton_transition_free_voidp);
+ state->out = xbt_dynar_new(sizeof(xbt_automaton_transition_t), xbt_automaton_transition_free_voidp);
xbt_dynar_push(a->states, &state);
return state;
}
xbt_automaton_transition_t xbt_automaton_transition_new(xbt_automaton_t a, xbt_automaton_state_t src, xbt_automaton_state_t dst, xbt_automaton_exp_label_t label){
- xbt_automaton_transition_t transition = NULL;
- transition = xbt_new0(struct xbt_automaton_transition, 1);
+ xbt_automaton_transition_t transition = xbt_new0(struct xbt_automaton_transition, 1);
if(src != NULL){
xbt_dynar_push(src->out, &transition);
transition->src = src;
return transition;
}
-xbt_automaton_exp_label_t xbt_automaton_exp_label_new(int type, ...){
- xbt_automaton_exp_label_t label = NULL;
- label = xbt_new0(struct xbt_automaton_exp_label, 1);
- label->type = type;
+xbt_automaton_exp_label_t xbt_automaton_exp_label_new_or(xbt_automaton_exp_label_t left,
+ xbt_automaton_exp_label_t right)
+{
+ xbt_automaton_exp_label_t label = xbt_new0(struct xbt_automaton_exp_label, 1);
+ label->type = AUT_OR;
+ label->u.or_and.left_exp = left;
+ label->u.or_and.right_exp = right;
+ return label;
+}
- 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);
- label->u.or_and.left_exp = left;
- label->u.or_and.right_exp = 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);
- label->u.or_and.left_exp = left;
- label->u.or_and.right_exp = right;
- break;
- }
- case 2 : {
- xbt_automaton_exp_label_t exp_not = va_arg(ap, xbt_automaton_exp_label_t);
- label->u.exp_not = exp_not;
- break;
- }
- case 3 :{
- char* p = va_arg(ap, char*);
- label->u.predicat = strdup(p);
- break;
- }
- }
- va_end(ap);
+xbt_automaton_exp_label_t xbt_automaton_exp_label_new_and(xbt_automaton_exp_label_t left,
+ xbt_automaton_exp_label_t right)
+{
+ xbt_automaton_exp_label_t label = xbt_new0(struct xbt_automaton_exp_label, 1);
+ label->type = AUT_AND;
+ label->u.or_and.left_exp = left;
+ label->u.or_and.right_exp = right;
+ return label;
+}
+
+xbt_automaton_exp_label_t xbt_automaton_exp_label_new_not(xbt_automaton_exp_label_t exp_not)
+{
+ xbt_automaton_exp_label_t label = xbt_new0(struct xbt_automaton_exp_label, 1);
+ label->type = AUT_NOT;
+ label->u.exp_not = exp_not;
return label;
}
+xbt_automaton_exp_label_t xbt_automaton_exp_label_new_predicat(char* p)
+{
+ xbt_automaton_exp_label_t label = xbt_new0(struct xbt_automaton_exp_label, 1);
+ label->type = AUT_PREDICAT;
+ label->u.predicat = xbt_strdup(p);
+ return label;
+}
+
+xbt_automaton_exp_label_t xbt_automaton_exp_label_new_one(void)
+{
+ xbt_automaton_exp_label_t label = xbt_new0(struct xbt_automaton_exp_label, 1);
+ label->type = AUT_ONE;
+ return label;
+}
xbt_dynar_t xbt_automaton_get_states(xbt_automaton_t a){
return a->states;
return a->transitions;
}
-xbt_automaton_transition_t xbt_automaton_get_transition(xbt_automaton_t a, xbt_automaton_state_t src, xbt_automaton_state_t dst){
+xbt_automaton_transition_t xbt_automaton_get_transition(XBT_ATTRIB_UNUSED xbt_automaton_t a, xbt_automaton_state_t src,
+ xbt_automaton_state_t dst)
+{
xbt_automaton_transition_t transition;
unsigned int cursor;
xbt_dynar_foreach(src->out, cursor, transition){
}
void xbt_automaton_display(xbt_automaton_t a){
- unsigned int cursor = 0;
+ unsigned int cursor;
xbt_automaton_state_t state = NULL;
- printf("\n\nEtat courant : %s\n", a->current_state->id);
+ printf("\n\nCurrent state: %s\n", a->current_state->id);
- printf("\nListe des états : %lu\n\n", xbt_dynar_length(a->states));
-
-
- xbt_dynar_foreach(a->states, cursor, state){
- printf("ID : %s, type : %d\n", state->id, state->type);
- }
+ printf("\nStates' List: %lu\n\n", xbt_dynar_length(a->states));
+
+ xbt_dynar_foreach(a->states, cursor, state)
+ printf("ID: %s, type: %d\n", state->id, state->type);
+
+ xbt_automaton_transition_t transition;
+ printf("\nTransitions: %lu\n\n", xbt_dynar_length(a->transitions));
- cursor=0;
- xbt_automaton_transition_t transition = NULL;
- printf("\nListe des transitions : %lu\n\n", xbt_dynar_length(a->transitions));
-
xbt_dynar_foreach(a->transitions, cursor, transition){
- printf("label :");
+ printf("label:");
xbt_automaton_exp_label_display(transition->label);
printf(", %s -> %s\n", transition->src->id, transition->dst->id);
}
}
void xbt_automaton_exp_label_display(xbt_automaton_exp_label_t label){
-
+ printf("(");
switch(label->type){
- case 0 :
- printf("(");
- xbt_automaton_exp_label_display(label->u.or_and.left_exp);
- printf(" || ");
- xbt_automaton_exp_label_display(label->u.or_and.right_exp);
- printf(")");
- break;
- case 1 :
- printf("(");
- xbt_automaton_exp_label_display(label->u.or_and.left_exp);
- printf(" && ");
- xbt_automaton_exp_label_display(label->u.or_and.right_exp);
- printf(")");
- break;
- case 2 :
- printf("(!");
- xbt_automaton_exp_label_display(label->u.exp_not);
- printf(")");
- break;
- case 3 :
- printf("(%s)",label->u.predicat);
- break;
- case 4 :
- printf("(1)");
- break;
+ case 0:
+ xbt_automaton_exp_label_display(label->u.or_and.left_exp);
+ printf(" || ");
+ xbt_automaton_exp_label_display(label->u.or_and.right_exp);
+ break;
+ case 1:
+ xbt_automaton_exp_label_display(label->u.or_and.left_exp);
+ printf(" && ");
+ xbt_automaton_exp_label_display(label->u.or_and.right_exp);
+ break;
+ case 2:
+ printf("!");
+ xbt_automaton_exp_label_display(label->u.exp_not);
+ break;
+ case 3:
+ printf("%s", label->u.predicat);
+ break;
+ case 4:
+ printf("1");
+ break;
+ default:
+ break;
}
-
+ printf(")");
}
xbt_automaton_state_t xbt_automaton_get_current_state(xbt_automaton_t a){
return a->current_state;
}
-xbt_automaton_propositional_symbol_t xbt_automaton_propositional_symbol_new(xbt_automaton_t a, const char* id, void* fct){
- xbt_automaton_propositional_symbol_t prop_symb = NULL;
- prop_symb = xbt_new0(struct xbt_automaton_propositional_symbol, 1);
- prop_symb->pred = strdup(id);
- prop_symb->function = fct;
+static int call_simple_function(int function(void) )
+{
+ return function();
+}
+
+xbt_automaton_propositional_symbol_t xbt_automaton_propositional_symbol_new(xbt_automaton_t a, const char* id,
+ int (*fct)(void))
+{
+ xbt_automaton_propositional_symbol_t prop_symb = xbt_new0(struct xbt_automaton_propositional_symbol, 1);
+ prop_symb->pred = xbt_strdup(id);
+ prop_symb->callback = ((int (*)(void *))&call_simple_function);
+ prop_symb->data = (void*)&fct;
+ prop_symb->free_function = NULL;
xbt_dynar_push(a->propositional_symbols, &prop_symb);
return prop_symb;
}
-int xbt_automaton_state_compare(xbt_automaton_state_t s1, xbt_automaton_state_t s2){
-
- /* single id for each state, id and type sufficient for comparison*/
-
- if(strcmp(s1->id, s2->id))
- return 1;
+XBT_PUBLIC xbt_automaton_propositional_symbol_t xbt_automaton_propositional_symbol_new_pointer(xbt_automaton_t a,
+ const char* id,
+ int* value)
+{
+ xbt_automaton_propositional_symbol_t prop_symb = xbt_new0(struct xbt_automaton_propositional_symbol, 1);
+ prop_symb->pred = xbt_strdup(id);
+ prop_symb->callback = NULL;
+ prop_symb->data = value;
+ prop_symb->free_function = NULL;
+ xbt_dynar_push(a->propositional_symbols, &prop_symb);
+ return prop_symb;
+}
- if(s1->type != s2->type)
- return 1;
+XBT_PUBLIC xbt_automaton_propositional_symbol_t xbt_automaton_propositional_symbol_new_callback(
+ xbt_automaton_t a, const char* id, xbt_automaton_propositional_symbol_callback_type callback, void* data,
+ xbt_automaton_propositional_symbol_free_function_type free_function)
+{
+ xbt_automaton_propositional_symbol_t prop_symb = xbt_new0(struct xbt_automaton_propositional_symbol, 1);
+ prop_symb->pred = xbt_strdup(id);
+ prop_symb->callback = callback;
+ prop_symb->data = data;
+ prop_symb->free_function = free_function;
+ xbt_dynar_push(a->propositional_symbols, &prop_symb);
+ return prop_symb;
+}
- return 0;
+XBT_PUBLIC int xbt_automaton_propositional_symbol_evaluate(xbt_automaton_propositional_symbol_t symbol)
+{
+ if (symbol->callback)
+ return (symbol->callback)(symbol->data);
+ else
+ return *(int*) symbol->data;
+}
+XBT_PUBLIC xbt_automaton_propositional_symbol_callback_type
+xbt_automaton_propositional_symbol_get_callback(xbt_automaton_propositional_symbol_t symbol)
+{
+ return symbol->callback;
}
-int xbt_automaton_transition_compare(const void *t1, const void *t2){
+XBT_PUBLIC void* xbt_automaton_propositional_symbol_get_data(xbt_automaton_propositional_symbol_t symbol)
+{
+ return symbol->data;
+}
- if(xbt_automaton_state_compare(((xbt_automaton_transition_t)t1)->src, ((xbt_automaton_transition_t)t2)->src))
- return 1;
-
- if(xbt_automaton_state_compare(((xbt_automaton_transition_t)t1)->dst, ((xbt_automaton_transition_t)t2)->dst))
- return 1;
+XBT_PUBLIC const char* xbt_automaton_propositional_symbol_get_name(xbt_automaton_propositional_symbol_t symbol)
+{
+ return symbol->pred;
+}
- if(xbt_automaton_exp_label_compare(((xbt_automaton_transition_t)t1)->label,((xbt_automaton_transition_t)t2)->label))
- return 1;
+int xbt_automaton_state_compare(xbt_automaton_state_t s1, xbt_automaton_state_t s2){
+ /* single id for each state, id and type sufficient for comparison*/
+ return (strcmp(s1->id, s2->id) != 0) || (s1->type != s2->type);
+}
- return 0;
-
+int xbt_automaton_transition_compare(xbt_automaton_transition_t t1, xbt_automaton_transition_t t2)
+{
+ return xbt_automaton_state_compare(t1->src, t2->src) || xbt_automaton_state_compare(t1->dst, t2->dst) ||
+ xbt_automaton_exp_label_compare(t1->label, t2->label);
}
int xbt_automaton_exp_label_compare(xbt_automaton_exp_label_t l1, xbt_automaton_exp_label_t l2){
if(l1->type != l2->type)
return 1;
+ int res;
switch(l1->type){
-
- case 0 : // OR
+ case 0 : // OR
case 1 : // AND
- if(xbt_automaton_exp_label_compare(l1->u.or_and.left_exp, l2->u.or_and.left_exp))
- return 1;
- else
- return xbt_automaton_exp_label_compare(l1->u.or_and.right_exp, l2->u.or_and.right_exp);
+ res = xbt_automaton_exp_label_compare(l1->u.or_and.left_exp, l2->u.or_and.left_exp) ||
+ xbt_automaton_exp_label_compare(l1->u.or_and.right_exp, l2->u.or_and.right_exp);
break;
-
case 2 : // NOT
- return xbt_automaton_exp_label_compare(l1->u.exp_not, l2->u.exp_not);
+ res = xbt_automaton_exp_label_compare(l1->u.exp_not, l2->u.exp_not);
break;
-
case 3 : // predicat
- return (strcmp(l1->u.predicat, l2->u.predicat));
+ res = strcmp(l1->u.predicat, l2->u.predicat) != 0;
break;
-
case 4 : // 1
- return 0;
+ res = 0;
break;
-
default :
- return -1;
+ res = -1;
break;
-
}
-
+ return res;
}
-
int xbt_automaton_propositional_symbols_compare_value(xbt_dynar_t s1, xbt_dynar_t s2){
-
- int *iptr1, *iptr2;
- unsigned int cursor;
unsigned int nb_elem = xbt_dynar_length(s1);
- for(cursor=0;cursor<nb_elem;cursor++){
- iptr1 = xbt_dynar_get_ptr(s1, cursor);
- iptr2 = xbt_dynar_get_ptr(s2, cursor);
+ for (unsigned int cursor = 0; cursor < nb_elem; cursor++) {
+ int* iptr1 = xbt_dynar_get_ptr(s1, cursor);
+ int* iptr2 = xbt_dynar_get_ptr(s2, cursor);
if(*iptr1 != *iptr2)
return 1;
- }
+ }
return 0;
}
-/************ Free functions ****************/
-
static void xbt_automaton_transition_free(xbt_automaton_transition_t t);
static void xbt_automaton_exp_label_free(xbt_automaton_exp_label_t e);
static void xbt_automaton_propositional_symbol_free(xbt_automaton_propositional_symbol_t ps);
void xbt_automaton_state_free(xbt_automaton_state_t s){
- if(s){
+ if (s != NULL) {
xbt_free(s->id);
xbt_dynar_free(&(s->in));
xbt_dynar_free(&(s->out));
xbt_free(s);
- s = NULL;
}
}
}
void xbt_automaton_propositional_symbol_free_voidp(void *ps){
- xbt_automaton_propositional_symbol_free((xbt_automaton_propositional_symbol_t) * (void **) ps);
+ xbt_automaton_propositional_symbol_t symbol = (xbt_automaton_propositional_symbol_t) * (void **) ps;
+ if (symbol->free_function)
+ symbol->free_function(symbol->data);
+ xbt_automaton_propositional_symbol_free(symbol);
}
void xbt_automaton_free(xbt_automaton_t a){
