class.c, variable,c: replace `size_t` by `int`.
That reduce memory consumption by iv/mt tables.
MODIFY
src/class.c
src/class.c
@@ -36,8 +36,8 @@ union mt_ptr {
/* method table structure */
typedef struct mt_tbl {
- size_t size;
- size_t alloc;
+ int size;
+ int alloc;
union mt_ptr *ptr;
} mt_tbl;
@@ -65,8 +65,8 @@ static void mt_put(mrb_state *mrb, mt_tbl *t, mrb_sym sym, mrb_sym flags, union
static void
mt_rehash(mrb_state *mrb, mt_tbl *t)
{
- size_t old_alloc = t->alloc;
- size_t new_alloc = old_alloc+8;
+ int old_alloc = t->alloc;
+ int new_alloc = old_alloc+8;
union mt_ptr *old_ptr = t->ptr;
khash_power2(new_alloc);
@@ -79,7 +79,7 @@ mt_rehash(mrb_state *mrb, mt_tbl *t)
mrb_sym *keys = (mrb_sym*)&old_ptr[old_alloc];
union mt_ptr *vals = old_ptr;
- for (size_t i = 0; i < old_alloc; i++) {
+ for (int i = 0; i < old_alloc; i++) {
mrb_sym key = keys[i];
if (MT_KEY_P(key)) {
mt_put(mrb, t, MT_KEY_SYM(key), MT_KEY_FLG(key), vals[i]);
@@ -94,8 +94,7 @@ mt_rehash(mrb_state *mrb, mt_tbl *t)
static void
mt_put(mrb_state *mrb, mt_tbl *t, mrb_sym sym, mrb_sym flags, union mt_ptr ptr)
{
- size_t hash, pos, start;
- ssize_t dpos = -1;
+ int hash, pos, start, dpos = -1;
if (t->alloc == 0) {
mt_rehash(mrb, t);
@@ -140,7 +139,7 @@ mt_put(mrb_state *mrb, mt_tbl *t, mrb_sym sym, mrb_sym flags, union mt_ptr ptr)
static mrb_sym
mt_get(mrb_state *mrb, mt_tbl *t, mrb_sym sym, union mt_ptr *pp)
{
- size_t hash, pos, start;
+ int hash, pos, start;
if (t == NULL) return 0;
if (t->alloc == 0) return 0;
@@ -150,7 +149,7 @@ mt_get(mrb_state *mrb, mt_tbl *t, mrb_sym sym, union mt_ptr *pp)
union mt_ptr *vals = t->ptr;
hash = kh_int_hash_func(mrb, sym);
#ifdef MRB_USE_INLINE_METHOD_CACHE
- size_t cpos = (hash^(uintptr_t)t) % MT_CACHE_SIZE;
+ int cpos = (hash^(uintptr_t)t) % MT_CACHE_SIZE;
pos = mt_cache[cpos];
if (cpos < t->alloc && t->table[cpos].key == sym) {
return &t->table[cpos];
@@ -182,7 +181,7 @@ mt_get(mrb_state *mrb, mt_tbl *t, mrb_sym sym, union mt_ptr *pp)
static mrb_bool
mt_del(mrb_state *mrb, mt_tbl *t, mrb_sym sym)
{
- size_t hash, pos, start;
+ int hash, pos, start;
if (t == NULL) return FALSE;
if (t->alloc == 0) return FALSE;
@@ -213,7 +212,7 @@ static struct mt_tbl*
mt_copy(mrb_state *mrb, mt_tbl *t)
{
mt_tbl *t2;
- size_t i;
+ int i;
if (t == NULL) return NULL;
if (t->alloc == 0) return NULL;
@@ -242,7 +241,7 @@ MRB_API void
mrb_mt_foreach(mrb_state *mrb, struct RClass *c, mrb_mt_foreach_func *fn, void *p)
{
mt_tbl *t = c->mt;
- size_t i;
+ int i;
if (t == NULL) return;
if (t->alloc == 0) return;
@@ -276,7 +275,7 @@ void
mrb_gc_mark_mt(mrb_state *mrb, struct RClass *c)
{
mt_tbl *t = c->mt;
- size_t i;
+ int i;
if (t == NULL) return;
if (t->alloc == 0) return;
@@ -299,7 +298,7 @@ mrb_gc_mark_mt_size(mrb_state *mrb, struct RClass *c)
struct mt_tbl *h = c->mt;
if (!h) return 0;
- return h->size;
+ return (size_t)h->size;
}
void

MODIFY
src/variable.c
src/variable.c
/* Instance variable table structure */
typedef struct iv_tbl {
- size_t size, alloc;
+ int size, alloc;
mrb_value *ptr;
} iv_tbl;
@@ -41,8 +41,8 @@ static void iv_put(mrb_state *mrb, iv_tbl *t, mrb_sym sym, mrb_value val);
static void
iv_rehash(mrb_state *mrb, iv_tbl *t)
{
- size_t old_alloc = t->alloc;
- size_t new_alloc = old_alloc+4;
+ int old_alloc = t->alloc;
+ int new_alloc = old_alloc+4;
mrb_value *old_ptr = t->ptr;
khash_power2(new_alloc);
@@ -55,7 +55,7 @@ iv_rehash(mrb_state *mrb, iv_tbl *t)
mrb_sym *keys = (mrb_sym*)&old_ptr[old_alloc];
mrb_value *vals = old_ptr;
- for (size_t i = 0; i < old_alloc; i++) {
+ for (int i = 0; i < old_alloc; i++) {
if (IV_KEY_P(keys[i])) {
iv_put(mrb, t, keys[i], vals[i]);
}
@@ -67,8 +67,7 @@ iv_rehash(mrb_state *mrb, iv_tbl *t)
static void
iv_put(mrb_state *mrb, iv_tbl *t, mrb_sym sym, mrb_value val)
{
- size_t hash, pos, start;
- int dpos = -1;
+ int hash, pos, start, dpos = -1;
if (t == NULL) return;
if (t->alloc == 0) {
@@ -112,10 +111,10 @@ iv_put(mrb_state *mrb, iv_tbl *t, mrb_sym sym, mrb_value val)
}
/* Get a value for a symbol from the instance variable table. */
-static size_t
+static int
iv_get(mrb_state *mrb, iv_tbl *t, mrb_sym sym, mrb_value *vp)
{
- size_t hash, pos, start;
+ int hash, pos, start;
if (t == NULL) return FALSE;
if (t->alloc == 0) return FALSE;
@@ -145,7 +144,7 @@ iv_get(mrb_state *mrb, iv_tbl *t, mrb_sym sym, mrb_value *vp)
static mrb_bool
iv_del(mrb_state *mrb, iv_tbl *t, mrb_sym sym, mrb_value *vp)
{
- size_t hash, pos, start;
+ int hash, pos, start;
if (t == NULL) return FALSE;
if (t->alloc == 0) return FALSE;
@@ -177,7 +176,7 @@ iv_del(mrb_state *mrb, iv_tbl *t, mrb_sym sym, mrb_value *vp)
static void
iv_foreach(mrb_state *mrb, iv_tbl *t, mrb_iv_foreach_func *func, void *p)
{
- size_t i;
+ int i;
if (t == NULL) return;
if (t->alloc == 0) return;
@@ -201,7 +200,7 @@ static size_t
iv_size(mrb_state *mrb, iv_tbl *t)
{
if (t == NULL) return 0;
- return t->size;
+ return (size_t)t->size;
}
/* Copy the instance variable table. */
@@ -209,7 +208,7 @@ static iv_tbl*
iv_copy(mrb_state *mrb, iv_tbl *t)
{
iv_tbl *t2;
- size_t i;
+ int i;
if (t == NULL) return NULL;
if (t->alloc == 0) return NULL;
@@ -486,7 +485,7 @@ mrb_value
mrb_obj_iv_inspect(mrb_state *mrb, struct RObject *obj)
{
iv_tbl *t = obj->iv;
- size_t len = iv_size(mrb, t);
+ int len = iv_size(mrb, t);
if (len > 0) {
const char *cn = mrb_obj_classname(mrb, mrb_obj_value(obj));
@@ -660,7 +659,7 @@ mrb_mod_cv_set(mrb_state *mrb, struct RClass *c, mrb_sym sym, mrb_value v)
while (c) {
iv_tbl *t = c->iv;
- size_t pos = iv_get(mrb, t, sym, NULL);
+ int pos = iv_get(mrb, t, sym, NULL);
if (pos) {
mrb_check_frozen(mrb, c);

class.c, variable,c: replace `size_t` by `int`.

That reduce memory consumption by iv/mt tables.