Esempio n. 1
0
void
property_cache_set (repv id, repv prop, repv value, int invals)
{
    unsigned int h, i, oldest, oldest_age;

    if (cache_vec == rep_NULL)
    {
	cache_vec = Fmake_vector (rep_MAKE_INT (CACHE_SIZE * 3), Qnil);
	rep_mark_static (&cache_vec);

	cache_ids = rep_VECT (cache_vec)->array;
	cache_props = cache_ids + CACHE_SIZE;
	cache_values = cache_props + CACHE_SIZE;
    }

    h = CACHE_HASH (id, prop) * CACHE_ASSOC;

    oldest_age = UINT_MAX;
    oldest = -1;

    for (i = h; i < h + CACHE_ASSOC; i++)
    {
	if (cache_ids[i] == id && cache_props[i] == prop)
	{
	    cache_values[i] = value;
	    cache_updates[i] += invals;
	    return;
	}

	if (cache_ages[i] <= oldest_age)
	{
	    oldest_age = cache_ages[i];
	    oldest = i;
	}
    }

    assert (oldest != -1);

    if (cache_ids[oldest] != 0)
	DB (("prop eject: 0x%x (%d)\n", cache_ids[oldest], oldest));

    cache_ids[oldest] = id;
    cache_props[oldest] = prop;
    cache_values[oldest] = value;
    cache_ages[oldest] = ++cache_clock;
    cache_updates[oldest] = invals;

    DB (("set: 0x%x,%s (%d)\n", id, rep_STR (rep_SYM (prop)->name), oldest));
}
Esempio n. 2
0
File: menu.c Progetto: ueno/emacs
void
init_menu_items (void)
{
  if (!NILP (menu_items_inuse))
    error ("Trying to use a menu from within a menu-entry");

  if (NILP (menu_items))
    {
      menu_items_allocated = 60;
      menu_items = Fmake_vector (make_number (menu_items_allocated), Qnil);
    }

  menu_items_inuse = Qt;
  menu_items_used = 0;
  menu_items_n_panes = 0;
  menu_items_submenu_depth = 0;
}
Esempio n. 3
0
static Lisp_Object
make_log (int heap_size, int max_stack_depth)
{
  /* We use a standard Elisp hash-table object, but we use it in
     a special way.  This is OK as long as the object is not exposed
     to Elisp, i.e. until it is returned by *-profiler-log, after which
     it can't be used any more.  */
  Lisp_Object log = make_hash_table (hashtest_profiler,
				     make_number (heap_size),
				     make_float (DEFAULT_REHASH_SIZE),
				     make_float (DEFAULT_REHASH_THRESHOLD),
				     Qnil);
  struct Lisp_Hash_Table *h = XHASH_TABLE (log);

  /* What is special about our hash-tables is that the keys are pre-filled
     with the vectors we'll put in them.  */
  int i = ASIZE (h->key_and_value) / 2;
  while (i > 0)
    set_hash_key_slot (h, --i,
		       Fmake_vector (make_number (max_stack_depth), Qnil));
  return log;
}
Esempio n. 4
0
repv gh_make_vector(repv length, repv val)
{
    return Fmake_vector (length, val);
}