/* automaton - representation of büchi automaton */
-/* Copyright (c) 2011-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2011-2023. 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 */
-#include <xbt/log.h>
#include <xbt/sysdep.h>
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_automaton, xbt, "Automaton");
-
struct xbt_automaton_propositional_symbol{
char* pred;
/** Callback used to evaluate the value of the symbol */
return automaton;
}
-xbt_automaton_state_t xbt_automaton_state_new(xbt_automaton_t a, int type, char* id){
+xbt_automaton_state_t xbt_automaton_state_new(const_xbt_automaton_t a, int type, const char* id)
+{
xbt_automaton_state_t state = xbt_new0(struct xbt_automaton_state, 1);
state->type = type;
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->in = xbt_dynar_new(sizeof(xbt_automaton_transition_t), NULL);
+ state->out = xbt_dynar_new(sizeof(xbt_automaton_transition_t), NULL);
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 xbt_automaton_transition_new(const_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 = xbt_new0(struct xbt_automaton_transition, 1);
if(src != NULL){
xbt_dynar_push(src->out, &transition);
return transition;
}
-xbt_automaton_exp_label_t xbt_automaton_exp_label_new(int 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 = type;
- 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 :
- left = va_arg(ap, 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 :
- left = va_arg(ap, 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 :
- exp_not = va_arg(ap, xbt_automaton_exp_label_t);
- label->u.exp_not = exp_not;
- break;
- case 3 :
- p = va_arg(ap, char*);
- label->u.predicat = xbt_strdup(p);
- break;
- case 4:
- break;
- default:
- XBT_DEBUG("Invalid type: %d", type);
- xbt_free(label);
- label = NULL;
- break;
- }
- va_end(ap);
+ label->type = AUT_OR;
+ 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_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(const 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){
+xbt_dynar_t xbt_automaton_get_states(const_xbt_automaton_t a)
+{
return a->states;
}
-xbt_dynar_t xbt_automaton_get_transitions(xbt_automaton_t a){
+xbt_dynar_t xbt_automaton_get_transitions(const_xbt_automaton_t a)
+{
return a->transitions;
}
-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 xbt_automaton_get_transition(XBT_ATTRIB_UNUSED const_xbt_automaton_t a,
+ const_xbt_automaton_state_t src,
+ const_xbt_automaton_state_t dst)
{
xbt_automaton_transition_t transition;
unsigned int cursor;
return NULL;
}
-xbt_automaton_state_t xbt_automaton_transition_get_source(xbt_automaton_transition_t t){
+xbt_automaton_state_t xbt_automaton_transition_get_source(const_xbt_automaton_transition_t t)
+{
return t->src;
}
-xbt_automaton_state_t xbt_automaton_transition_get_destination(xbt_automaton_transition_t t){
+xbt_automaton_state_t xbt_automaton_transition_get_destination(const_xbt_automaton_transition_t t)
+{
return t->dst;
}
xbt_dynar_push(dst->in,&t);
}
-xbt_dynar_t xbt_automaton_state_get_out_transitions(xbt_automaton_state_t s){
+xbt_dynar_t xbt_automaton_state_get_out_transitions(const_xbt_automaton_state_t s)
+{
return s->out;
}
-xbt_dynar_t xbt_automaton_state_get_in_transitions(xbt_automaton_state_t s){
+xbt_dynar_t xbt_automaton_state_get_in_transitions(const_xbt_automaton_state_t s)
+{
return s->in;
}
-xbt_automaton_state_t xbt_automaton_state_exists(xbt_automaton_t a, char *id){
+xbt_automaton_state_t xbt_automaton_state_exists(const_xbt_automaton_t a, const char* id)
+{
xbt_automaton_state_t state = NULL;
unsigned int cursor = 0;
xbt_dynar_foreach(a->states, cursor, state){
return NULL;
}
-void xbt_automaton_display(xbt_automaton_t a){
+void xbt_automaton_display(const_xbt_automaton_t a)
+{
unsigned int cursor;
xbt_automaton_state_t state = NULL;
}
}
-void xbt_automaton_exp_label_display(xbt_automaton_exp_label_t label){
+void xbt_automaton_exp_label_display(const_xbt_automaton_exp_label_t label)
+{
printf("(");
switch(label->type){
case 0:
printf(")");
}
-xbt_automaton_state_t xbt_automaton_get_current_state(xbt_automaton_t a){
+xbt_automaton_state_t xbt_automaton_get_current_state(const_xbt_automaton_t a)
+{
return a->current_state;
}
-static int call_simple_function(void* function)
+static int call_simple_function(int function(void) )
{
- return ((int (*)(void)) function)();
+ return function();
}
-xbt_automaton_propositional_symbol_t xbt_automaton_propositional_symbol_new(xbt_automaton_t a, const char* id,
+xbt_automaton_propositional_symbol_t xbt_automaton_propositional_symbol_new(const_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 = &call_simple_function;
- prop_symb->data = fct;
+ 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;
}
-XBT_PUBLIC xbt_automaton_propositional_symbol_t xbt_automaton_propositional_symbol_new_pointer(xbt_automaton_t a,
+XBT_PUBLIC xbt_automaton_propositional_symbol_t xbt_automaton_propositional_symbol_new_pointer(const_xbt_automaton_t a,
const char* id,
int* value)
{
}
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,
+ const_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);
return prop_symb;
}
-XBT_PUBLIC int xbt_automaton_propositional_symbol_evaluate(xbt_automaton_propositional_symbol_t symbol)
+XBT_PUBLIC int xbt_automaton_propositional_symbol_evaluate(const_xbt_automaton_propositional_symbol_t symbol)
{
if (symbol->callback)
return (symbol->callback)(symbol->data);
}
XBT_PUBLIC xbt_automaton_propositional_symbol_callback_type
-xbt_automaton_propositional_symbol_get_callback(xbt_automaton_propositional_symbol_t symbol)
+xbt_automaton_propositional_symbol_get_callback(const_xbt_automaton_propositional_symbol_t symbol)
{
return symbol->callback;
}
-XBT_PUBLIC void* xbt_automaton_propositional_symbol_get_data(xbt_automaton_propositional_symbol_t symbol)
+XBT_PUBLIC void* xbt_automaton_propositional_symbol_get_data(const_xbt_automaton_propositional_symbol_t symbol)
{
return symbol->data;
}
-XBT_PUBLIC const char* xbt_automaton_propositional_symbol_get_name(xbt_automaton_propositional_symbol_t symbol)
+XBT_PUBLIC const char* xbt_automaton_propositional_symbol_get_name(const_xbt_automaton_propositional_symbol_t symbol)
{
return symbol->pred;
}
-int xbt_automaton_state_compare(xbt_automaton_state_t s1, xbt_automaton_state_t s2){
-
+int xbt_automaton_state_compare(const_xbt_automaton_state_t s1, const_xbt_automaton_state_t s2)
+{
/* single id for each state, id and type sufficient for comparison*/
-
- if(strcmp(s1->id, s2->id))
- return 1;
-
- if(s1->type != s2->type)
- return 1;
-
- return 0;
-
+ return (strcmp(s1->id, s2->id) != 0) || (s1->type != s2->type);
}
-int xbt_automaton_transition_compare(const void *t1, const void *t2){
-
- 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;
-
- if(xbt_automaton_exp_label_compare(((xbt_automaton_transition_t)t1)->label,((xbt_automaton_transition_t)t2)->label))
- return 1;
-
- return 0;
-
+int xbt_automaton_transition_compare(const_xbt_automaton_transition_t t1, const_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){
-
+int xbt_automaton_exp_label_compare(const_xbt_automaton_exp_label_t l1, const_xbt_automaton_exp_label_t l2)
+{
if(l1->type != l2->type)
return 1;
+ int res;
switch(l1->type){
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){
- unsigned int nb_elem = xbt_dynar_length(s1);
+int xbt_automaton_propositional_symbols_compare_value(const_xbt_dynar_t s1, const_xbt_dynar_t s2)
+{
+ unsigned long nb_elem = xbt_dynar_length(s1);
- 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);
+ for (unsigned long cursor = 0; cursor < nb_elem; cursor++) {
+ const int* iptr1 = xbt_dynar_get_ptr(s1, cursor);
+ const int* iptr2 = xbt_dynar_get_ptr(s2, cursor);
if(*iptr1 != *iptr2)
return 1;
}
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 != NULL) {
- xbt_free(s->id);
- xbt_dynar_free(&(s->in));
- xbt_dynar_free(&(s->out));
- xbt_free(s);
- }
+ if (s == NULL)
+ return;
+ xbt_free(s->id);
+ xbt_dynar_free(&(s->in));
+ xbt_dynar_free(&(s->out));
+ xbt_free(s);
}
void xbt_automaton_state_free_voidp(void *s){
}
static void xbt_automaton_transition_free(xbt_automaton_transition_t t){
- if(t){
- xbt_automaton_exp_label_free(t->label);
- xbt_free(t);
- t = NULL;
- }
+ if (t == NULL)
+ return;
+ xbt_automaton_exp_label_free(t->label);
+ xbt_free(t);
}
void xbt_automaton_transition_free_voidp(void *t){
}
static void xbt_automaton_exp_label_free(xbt_automaton_exp_label_t e){
- if(e){
- switch(e->type){
- case 0:
- case 1:
+ if (e == NULL)
+ return;
+ switch (e->type) {
+ case AUT_OR:
+ case AUT_AND:
xbt_automaton_exp_label_free(e->u.or_and.left_exp);
xbt_automaton_exp_label_free(e->u.or_and.right_exp);
break;
- case 2:
+ case AUT_NOT:
xbt_automaton_exp_label_free(e->u.exp_not);
break;
- case 3:
+ case AUT_PREDICAT:
xbt_free(e->u.predicat);
break;
default:
break;
- }
- xbt_free(e);
- e = NULL;
}
+ xbt_free(e);
}
void xbt_automaton_exp_label_free_voidp(void *e){
}
static void xbt_automaton_propositional_symbol_free(xbt_automaton_propositional_symbol_t ps){
- if(ps){
- xbt_free(ps->pred);
- xbt_free(ps);
- ps = NULL;
- }
+ if (ps == NULL)
+ return;
+ if (ps->free_function)
+ ps->free_function(ps->data);
+ xbt_free(ps->pred);
+ xbt_free(ps);
}
void xbt_automaton_propositional_symbol_free_voidp(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);
+ xbt_automaton_propositional_symbol_free((xbt_automaton_propositional_symbol_t) * (void**)ps);
}
void xbt_automaton_free(xbt_automaton_t a){
- if(a){
- xbt_dynar_free(&(a->propositional_symbols));
- xbt_dynar_free(&(a->transitions));
- xbt_dynar_free(&(a->states));
- xbt_automaton_state_free(a->current_state);
- xbt_free(a);
- a = NULL;
- }
+ if (a == NULL)
+ return;
+ xbt_dynar_free(&(a->propositional_symbols));
+ xbt_dynar_free(&(a->transitions));
+ xbt_dynar_free(&(a->states));
+ xbt_free(a);
}