+++ /dev/null
-/* automaton - representation of büchi automaton */
-
-/* Copyright (c) 2011. 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"
-
-xbt_automaton_t xbt_automaton_new_automaton(){
- xbt_automaton_t automaton = NULL;
- automaton = xbt_new0(struct xbt_automaton, 1);
- automaton->states = xbt_dynar_new(sizeof(xbt_state_t), NULL);
- automaton->transitions = xbt_dynar_new(sizeof(xbt_transition_t), NULL);
- automaton->propositional_symbols = xbt_dynar_new(sizeof(xbt_propositional_symbol_t), NULL);
- return automaton;
-}
-
-xbt_state_t xbt_automaton_new_state(xbt_automaton_t a, int type, char* id){
- xbt_state_t state = NULL;
- state = xbt_new0(struct xbt_state, 1);
- state->type = type;
- state->id = strdup(id);
- state->in = xbt_dynar_new(sizeof(xbt_transition_t), NULL);
- state->out = xbt_dynar_new(sizeof(xbt_transition_t), NULL);
- xbt_dynar_push(a->states, &state);
- return state;
-}
-
-xbt_transition_t xbt_automaton_new_transition(xbt_automaton_t a, xbt_state_t src, xbt_state_t dst, xbt_exp_label_t label){
- xbt_transition_t transition = NULL;
- transition = xbt_new0(struct xbt_transition, 1);
- if(src != NULL){
- xbt_dynar_push(src->out, &transition);
- transition->src = src;
- }
- if(dst != NULL){
- xbt_dynar_push(dst->in, &transition);
- transition->dst = dst;
- }
- transition->label = label;
- xbt_dynar_push(a->transitions, &transition);
- return transition;
-}
-
-xbt_exp_label_t xbt_automaton_new_label(int type, ...){
- xbt_exp_label_t label = NULL;
- label = xbt_new0(struct xbt_exp_label, 1);
- label->type = type;
-
- va_list ap;
- va_start(ap, type);
- switch(type){
- case 0 : {
- xbt_exp_label_t left = va_arg(ap, xbt_exp_label_t);
- xbt_exp_label_t right = va_arg(ap, xbt_exp_label_t);
- label->u.or_and.left_exp = left;
- label->u.or_and.right_exp = right;
- break;
- }
- case 1 : {
- xbt_exp_label_t left = va_arg(ap, xbt_exp_label_t);
- xbt_exp_label_t right = va_arg(ap, xbt_exp_label_t);
- label->u.or_and.left_exp = left;
- label->u.or_and.right_exp = right;
- break;
- }
- case 2 : {
- xbt_exp_label_t exp_not = va_arg(ap, xbt_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);
- return label;
-}
-
-
-xbt_dynar_t xbt_automaton_get_states(xbt_automaton_t a){
- return a->states;
-}
-
-xbt_dynar_t xbt_automaton_get_transitions(xbt_automaton_t a){
- return a->transitions;
-}
-
-xbt_transition_t xbt_automaton_get_transition(xbt_automaton_t a, xbt_state_t src, xbt_state_t dst){
- xbt_transition_t transition;
- unsigned int cursor;
- xbt_dynar_foreach(src->out, cursor, transition){
- if((transition->src == src) && (transition->dst == dst))
- return transition;
- }
- return NULL;
-}
-
-void xbt_automaton_free_automaton(xbt_automaton_t a, void_f_pvoid_t transition_free_function){
- unsigned int cursor = 0;
- xbt_state_t state = NULL;
- xbt_transition_t transition = NULL;
-
- xbt_dynar_foreach(a->states, cursor, state){
- xbt_dynar_free(&(state->out));
- xbt_dynar_free(&(state->in));
- }
-
- xbt_dynar_foreach(a->transitions, cursor, transition){
- if(transition_free_function)
- (*transition_free_function) (transition->label);
- }
-
- xbt_dynar_foreach(a->states, cursor, state)
- free(state);
- xbt_dynar_free(&(a->states));
-
- xbt_dynar_foreach(a->transitions, cursor, state)
- free(transition);
- xbt_dynar_free(&(a->transitions));
-
- free(a);
-
- return;
-}
-
-void xbt_automaton_free_state(xbt_automaton_t a, xbt_state_t s, void_f_pvoid_t transition_free_function){
- unsigned long nbr;
- unsigned long i;
- unsigned int cursor = 0;
- xbt_state_t state = NULL;
- xbt_transition_t transition = NULL;
-
- nbr = xbt_dynar_length(a->transitions);
- for(i = 0; i <nbr; i++){
- xbt_dynar_get_cpy(a->transitions, cursor, &transition);
- if((transition->src == s) || (transition->dst == s)){
- xbt_automaton_free_transition(a, transition, transition_free_function);
- }else{
- cursor++;
- }
- }
-
- cursor = 0;
- xbt_dynar_foreach(a->states, cursor, state)
- if(state == s)
- xbt_dynar_cursor_rm(a->states, &cursor);
-
- xbt_dynar_free(&(s->in));
- xbt_dynar_free(&(s->out));
-
- free(s);
-
- return;
-}
-
-void xbt_automaton_free_transition(xbt_automaton_t a, xbt_transition_t t, void_f_pvoid_t transition_free_function){
- int index;
- unsigned int cursor = 0;
- xbt_transition_t transition = NULL;
-
- if((transition_free_function) && (t->label))
- (*transition_free_function) (t->label);
-
- xbt_dynar_foreach(a->transitions, cursor, transition) {
- if(transition == t){
- index = __xbt_find_in_dynar(transition->dst->in, transition);
- xbt_dynar_remove_at(transition->dst->in, index, NULL);
- index = __xbt_find_in_dynar(transition->src->out, transition);
- xbt_dynar_remove_at(transition->src->out, index, NULL);
- xbt_dynar_cursor_rm(a->transitions, & cursor);
- free(transition);
- break;
- }
- }
-}
-
-xbt_state_t xbt_automaton_transition_get_source(xbt_transition_t t){
- return t->src;
-}
-
-xbt_state_t xbt_automaton_transition_get_destination(xbt_transition_t t){
- return t->dst;
-}
-
-void xbt_automaton_transition_set_source(xbt_transition_t t, xbt_state_t src){
- t->src = src;
- xbt_dynar_push(src->out,&t);
-}
-
-void xbt_automaton_transition_set_destination(xbt_transition_t t, xbt_state_t dst){
- t->dst = dst;
- xbt_dynar_push(dst->in,&t);
-}
-
-xbt_dynar_t xbt_automaton_state_get_out_transitions(xbt_state_t s){
- return s->out;
-}
-
-xbt_dynar_t xbt_automaton_state_get_in_transitions(xbt_state_t s){
- return s->in;
-}
-
-xbt_state_t xbt_automaton_state_exists(xbt_automaton_t a, char *id){
- xbt_state_t state = NULL;
- unsigned int cursor = 0;
- xbt_dynar_foreach(a->states, cursor, state){
- if(strcmp(state->id, id)==0)
- return state;
- }
- return NULL;
-}
-
-void xbt_automaton_display(xbt_automaton_t a){
- unsigned int cursor = 0;
- xbt_state_t state = NULL;
-
- printf("\n\nEtat courant : %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);
- }
-
- cursor=0;
- xbt_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 :");
- xbt_automaton_display_exp(transition->label);
- printf(", %s -> %s\n", transition->src->id, transition->dst->id);
- }
-}
-
-void xbt_automaton_display_exp(xbt_exp_label_t label){
-
- switch(label->type){
- case 0 :
- printf("(");
- xbt_automaton_display_exp(label->u.or_and.left_exp);
- printf(" || ");
- xbt_automaton_display_exp(label->u.or_and.right_exp);
- printf(")");
- break;
- case 1 :
- printf("(");
- xbt_automaton_display_exp(label->u.or_and.left_exp);
- printf(" && ");
- xbt_automaton_display_exp(label->u.or_and.right_exp);
- printf(")");
- break;
- case 2 :
- printf("(!");
- xbt_automaton_display_exp(label->u.exp_not);
- printf(")");
- break;
- case 3 :
- printf("(%s)",label->u.predicat);
- break;
- case 4 :
- printf("(1)");
- break;
- }
-
-}
-
-xbt_state_t xbt_automaton_get_current_state(xbt_automaton_t a){
- return a->current_state;
-}
-
-xbt_propositional_symbol_t xbt_new_propositional_symbol(xbt_automaton_t a, const char* id, void* fct){
- xbt_propositional_symbol_t prop_symb = NULL;
- prop_symb = xbt_new0(struct xbt_propositional_symbol, 1);
- prop_symb->pred = strdup(id);
- prop_symb->function = fct;
- xbt_dynar_push(a->propositional_symbols, &prop_symb);
- return prop_symb;
-}
-
-int automaton_state_compare(xbt_state_t s1, xbt_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;
-
-}
-
-int automaton_transition_compare(const void *t1, const void *t2){
-
- if(automaton_state_compare(((xbt_transition_t)t1)->src, ((xbt_transition_t)t2)->src))
- return 1;
-
- if(automaton_state_compare(((xbt_transition_t)t1)->dst, ((xbt_transition_t)t2)->dst))
- return 1;
-
- if(automaton_label_transition_compare(((xbt_transition_t)t1)->label,((xbt_transition_t)t2)->label))
- return 1;
-
- return 0;
-
-}
-
-int automaton_label_transition_compare(xbt_exp_label_t l1, xbt_exp_label_t l2){
-
- if(l1->type != l2->type)
- return 1;
-
- switch(l1->type){
-
- case 0 : // OR
- case 1 : // AND
- if(automaton_label_transition_compare(l1->u.or_and.left_exp, l2->u.or_and.left_exp))
- return 1;
- else
- return automaton_label_transition_compare(l1->u.or_and.right_exp, l2->u.or_and.right_exp);
- break;
-
- case 2 : // NOT
- return automaton_label_transition_compare(l1->u.exp_not, l2->u.exp_not);
- break;
-
- case 3 : // predicat
- return (strcmp(l1->u.predicat, l2->u.predicat));
- break;
-
- case 4 : // 1
- return 0;
- break;
-
- default :
- return -1;
- break;
-
- }
-
-}
-
-
-int 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);
- if(*iptr1 != *iptr2)
- return 1;
- }
-
- return 0;
-}
