void free_obj_index( OBJ_INDEX_DATA *pObj )
{
EXTRA_DESCR_DATA *pExtra;
AFFECT_DATA *pAf;
free_string( pObj->name );
free_string( pObj->name2 );
free_string( pObj->name3 );
free_string( pObj->name4 );
free_string( pObj->name5 );
free_string( pObj->name6 );
free_string( pObj->short_descr );
free_string( pObj->description );
free_string( pObj->item_description );
free_string( pObj->ident_description );
free_string( pObj->hidden_description );
free_string( pObj->comments );
for ( pAf = pObj->affected; pAf; pAf = pAf->next )
{
free_affect( pAf );
}
for ( pExtra = pObj->extra_descr; pExtra; pExtra = pExtra->next )
{
free_extra_descr( pExtra );
}
pObj->next = obj_index_free;
obj_index_free = pObj;
free_prog( pObj->progs );
return;
}
void deallocate_program (program_t * progp)
{
int i;
debug(d_flag, ("free_prog: /%s\n", progp->filename));
total_prog_block_size -= progp->total_size;
total_num_prog_blocks -= 1;
/* Free all function names. */
for (i = 0; i < progp->num_functions_defined; i++)
if (progp->function_table[i].funcname)
free_string(progp->function_table[i].funcname);
/* Free all strings */
for (i = 0; i < progp->num_strings; i++)
free_string(progp->strings[i]);
/* Free all variable names */
for (i = 0; i < progp->num_variables_defined; i++)
free_string(progp->variable_table[i]);
/* Free all inherited objects */
for (i = 0; i < progp->num_inherited; i++){
program_t *tmp = progp->inherit[i].prog;
free_prog(&tmp); //don't want to mess up the prog pointer in the inherited ob
}
free_string(progp->filename);
/*
* We're going away for good, not just being swapped, so free up
* line_number stuff.
*/
if (progp->file_info)
FREE(progp->file_info);
FREE((char *) progp);
}
int main(){
PROG test_prog = create_forward(160);
add_node(test_prog, create_left(90));
add_node(test_prog, create_forward(160));
PROG rep_prog = create_forward(0.5);
add_node(rep_prog, create_left(1));
NODE* rep_node = create_repeat(360, rep_prog);
add_node(test_prog, rep_node);
print_logo(test_prog, 0, 2);
//print_svg(test_prog);
free_prog(test_prog);
return 0;
}
/*
* Decrement reference count for a program. If it is 0, then free the prgram.
* The flag free_sub_strings tells if the propgram plus all used strings
* should be freed. They normally are, except when objects are swapped,
* as we want to be able to read the program in again from the swap area.
* That means that strings are not swapped.
*/
void
free_prog(struct program *progp)
{
extern int total_program_size;
int i;
if (d_flag & DEBUG_PROG_REF)
(void)printf("free_prog: %s\n", progp->name);
if (!progp->ref || --progp->ref > 0)
return;
if (progp->ref < 0)
fatal("Negative ref count for prog ref.\n");
if (progp == prog_list)
prog_list = progp->next_all;
progp->prev_all->next_all = progp->next_all;
progp->next_all->prev_all = progp->prev_all;
if (progp->next_all == progp)
prog_list = 0;
total_program_size -= progp->exec_size;
total_prog_block_size -= progp->total_size;
total_num_prog_blocks--;
/* Free all function names. */
for (i=0; i < (int)progp->num_functions; i++)
if (progp->functions[i].name)
free_sstring(progp->functions[i].name);
/* Free all variable names */
for (i=0; i < (int)progp->num_variables; i++)
free_sstring(progp->variable_names[i].name);
/* Free all inherited objects */
for (i=0; i < (int)progp->num_inherited - 1; i++)
{
free_prog(progp->inherit[i].prog);
free_sstring(progp->inherit[i].name);
}
free_sstring(progp->inherit[i].name);
free(progp->name);
free((char *)progp->program);
if (progp->line_numbers != 0)
free((char *)progp->line_numbers);
free((char *)progp);
}
void deallocate_program P1(struct program *, progp)
{
int i;
#ifdef DEBUG
if (d_flag)
printf("free_prog: %s\n", progp->name);
#endif
total_prog_block_size -= progp->p.i.total_size;
total_num_prog_blocks -= 1;
/* Free all function names. */
for (i = 0; i < (int) progp->p.i.num_functions; i++)
if (progp->p.i.functions[i].name)
free_string(progp->p.i.functions[i].name);
/* Free all strings */
for (i = 0; i < (int) progp->p.i.num_strings; i++)
free_string(progp->p.i.strings[i]);
/* Free all variable names */
for (i = 0; i < (int) progp->p.i.num_variables; i++)
free_string(progp->p.i.variable_names[i].name);
/* Free all inherited objects */
for (i = 0; i < (int) progp->p.i.num_inherited; i++)
free_prog(progp->p.i.inherit[i].prog, 1);
free_string(progp->name);
/*
* We're going away for good, not just being swapped, so free up
* line_number stuff.
*/
if (progp->p.i.line_swap_index != -1)
remove_line_swap(progp);
if (progp->p.i.file_info)
FREE(progp->p.i.file_info);
#ifdef LPC_TO_C
/*
* more stuff for compiled objects; will swapping a compiled object
* crash? -Beek
*/
if (!progp->p.i.program_size)
FREE(progp->p.i.program);
#endif
FREE((char *) progp);
}
/*
* Swap out an object. Only the program is swapped, not the 'object_t'.
*
* marion - the swap seems to corrupt the function table
*/
int swap(object_t * ob)
{
/* the simuls[] table uses pointers to the functions so the simul_efun
* program cannot be relocated. locate_in() could be changed to
* correct this or simuls[] could use offsets, but it doesn't seem
* worth it just to get the simul_efun object to swap. Maybe later.
*
* Ditto the master object and master_applies[]. Mudlibs that have
* a period TIME_TO_SWAP between successive master applies must be
* extremely rare ...
*/
if (ob == simul_efun_ob || ob == master_ob) return 0;
if (ob->flags & O_DESTRUCTED)
return 0;
debug(d_flag, ("Swap object /%s (ref %d)", ob->name, ob->ref));
if (ob->prog->line_info)
swap_line_numbers(ob->prog); /* not always done before we get here */
if ((ob->flags & O_HEART_BEAT) || (ob->flags & O_CLONE)) {
debug(d_flag, (" object not swapped - heart beat or cloned."));
return 0;
}
if (ob->prog->ref > 1 || ob->interactive) {
debug(d_flag, (" object not swapped - inherited or interactive or in apply_low() cache."));
return 0;
}
if (ob->prog->func_ref > 0) {
debug(d_flag, (" object not swapped - referenced by functions."));
return 0;
}
locate_out(ob->prog); /* relocate the internal pointers */
if (swap_out((char *) ob->prog, ob->prog->total_size, (int *) &ob->swap_num)) {
num_swapped++;
free_prog(ob->prog, 0); /* Do not free the strings */
ob->prog = 0;
ob->flags |= O_SWAPPED;
return 1;
} else {
locate_in(ob->prog);
return 0;
}
}
void free_mob_index( MOB_INDEX_DATA *pMob )
{
free_string( pMob->player_name );
free_string( pMob->name2 );
free_string( pMob->name3 );
free_string( pMob->name4 );
free_string( pMob->name5 );
free_string( pMob->name6 );
free_string( pMob->short_descr );
free_string( pMob->long_descr );
free_string( pMob->description );
free_prog( pMob->progs );
free_shop( pMob->pShop );
free_repair( pMob->pRepair );
free_bank( pMob->pBank );
pMob->pShop = NULL;
pMob->pBank = NULL;
pMob->pRepair = NULL;
pMob->next = mob_index_free;
mob_index_free = pMob;
return;
}
/*-------------------------------------------------------------------------*/
void
invalidate_simul_efuns (void)
/* Invalidate all simul_efun information - usually because the
* object is destructed.
*/
{
simul_efun_table_t *entry;
ident_t *id;
int i, j;
/* Invalidate the simul_efun table */
for (entry = simul_efun_table, i = SIZE_SEFUN_TABLE; --i >= 0; )
{
entry->funstart = NULL;
entry++;
}
/* Remove all sefun shadows for efuns.
* If they are listed in the table, move then into the inactive list.
*/
for (id = all_efuns; id; id = id->next_all)
{
j = id->u.global.sim_efun;
if ((size_t)j < SIZE_SEFUN_TABLE)
{
simul_efunp[j].offset.next_sefun = all_discarded_simul_efun;
all_discarded_simul_efun = j;
}
id->u.global.sim_efun = I_GLOBAL_SEFUN_OTHER;
}
/* Mark all simulefun identifier entries as non-existing
* and move them into the inactive list.
*/
while (all_simul_efuns != NULL)
{
id = all_simul_efuns;
j = id->u.global.sim_efun;
all_simul_efuns = all_simul_efuns->next_all;
simul_efunp[j].offset.next_sefun = all_discarded_simul_efun;
all_discarded_simul_efun = j;
free_shared_identifier(id);
}
/* Free the old program and vector, if any */
if (simul_efun_program)
{
free_prog(simul_efun_program, MY_TRUE);
simul_efun_program = NULL;
}
if (simul_efun_vector)
{
free_array(simul_efun_vector);
simul_efun_vector = NULL;
}
} /* invalidate_simul_efuns() */
void replace_programs()
{
replace_ob_t *r_ob, *r_next;
int i, num_fewer, offset;
svalue_t *svp;
#ifdef DEBUG
if (d_flag)
debug_message("start of replace_programs\n");
#endif
for (r_ob = obj_list_replace; r_ob; r_ob = r_next) {
program_t *old_prog;
if (r_ob->ob->flags & O_SWAPPED)
load_ob_from_swap(r_ob->ob);
num_fewer = r_ob->ob->prog->num_variables - r_ob->new_prog->num_variables;
#ifdef DEBUG
if (d_flag)
debug_message("%d less variables\n", num_fewer);
#endif
tot_alloc_object_size -= num_fewer * sizeof(svalue_t[1]);
if ((offset = r_ob->var_offset)) {
svp = r_ob->ob->variables;
/* move our variables up to the top */
for (i = 0; i < r_ob->new_prog->num_variables; i++) {
free_svalue(svp, "replace_programs");
*svp = *(svp + offset);
*(svp + offset) = const0n;
svp++;
}
/* free the rest */
for (i = 0; i < num_fewer; i++) {
free_svalue(svp, "replace_programs");
*svp++ = const0n;
}
} else {
/* We just need to remove the last num_fewer variables */
svp = &r_ob->ob->variables[r_ob->new_prog->num_variables];
for (i = 0; i < num_fewer; i++) {
free_svalue(svp, "replace_programs");
*svp++ = const0n;
}
}
#ifdef DEBUG
if (d_flag)
debug_message("freed.\n");
#endif
r_ob->new_prog->ref++;
old_prog = r_ob->ob->prog;
r_ob->ob->prog = r_ob->new_prog;
r_next = r_ob->next;
free_prog(old_prog, 1);
#ifdef DEBUG
if (d_flag)
debug_message("program freed.\n");
#endif
#ifndef NO_SHADOWS
if (r_ob->ob->shadowing) {
/*
* The master couldn't decide if it's a legal shadowing before
* the program was actually replaced. It is possible that the
* blueprint to the replacing program is already destructed, and
* it's source changed. On the other hand, if we called the
* master now, all kind of volatile data structures could result,
* even new entries for obj_list_replace. This would eventually
* require to reference it, and all the lrpp's , in
* check_a_lot_ref_counts() and garbage_collection() . Being able
* to use replace_program() in shadows is hardly worth this
* effort. Thus, we simply stop the shadowing.
*/
r_ob->ob->shadowing->shadowed = r_ob->ob->shadowed;
if (r_ob->ob->shadowed) {
r_ob->ob->shadowed->shadowing = r_ob->ob->shadowing;
r_ob->ob->shadowed = 0;
}
r_ob->ob->shadowing = 0;
}
#endif
FREE((char *) r_ob);
}
obj_list_replace = (replace_ob_t *) 0;
#ifdef DEBUG
if (d_flag)
debug_message("end of replace_programs\n");
#endif
}
