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authorYukihiro Matsumoto <[email protected]>2012-06-21 10:01:17 +0900
committerYukihiro Matsumoto <[email protected]>2012-06-21 10:01:17 +0900
commit78423105736d650e4136e7d44175059ce7ee7411 (patch)
treea2ad84e377b9cb2da21c0601e42c0b10a0c71ea8 /include
parente61bdbe3960aa471a8b4e5d8a89614d1433959aa (diff)
parentcd68190480785430b8e350d9a5d2127ab04e1074 (diff)
downloadmruby-78423105736d650e4136e7d44175059ce7ee7411.tar.gz
mruby-78423105736d650e4136e7d44175059ce7ee7411.zip
Merge branch 'modify_khash' of https://github.com/crimsonwoods/mruby into crimsonwoods-modify_khash
Diffstat (limited to 'include')
-rw-r--r--include/mruby/khash.h63
1 files changed, 41 insertions, 22 deletions
diff --git a/include/mruby/khash.h b/include/mruby/khash.h
index 22df48ebb..6cb2b383d 100644
--- a/include/mruby/khash.h
+++ b/include/mruby/khash.h
@@ -32,16 +32,14 @@ static const uint8_t __m[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
#define __ac_iseither(e_flag, d_flag, i) (__ac_isempty(e_flag,d_flag,i)||__ac_isdel(e_flag,d_flag,i))
-/* struct kh_xxx
+/* declare struct kh_xxx and kh_xxx_funcs
name: ash name
khkey_t: key data type
khval_t: value data type
kh_is_map: (not implemented / not used in RiteVM )
- __hash_func: hash function
- __hash_equal: hash comparation function
*/
-#define KHASH_INIT(name, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \
+#define KHASH_DECLARE(name, khkey_t, khval_t, kh_is_map) \
typedef struct kh_##name { \
khint_t n_buckets; \
khint_t size; \
@@ -55,7 +53,26 @@ static const uint8_t __m[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
khint_t inc; \
mrb_state *mrb; \
} kh_##name##_t; \
- static void kh_alloc_##name(kh_##name##_t *h) \
+ void kh_alloc_##name(kh_##name##_t *h); \
+ kh_##name##_t *kh_init_##name(mrb_state *mrb); \
+ void kh_destroy_##name(kh_##name##_t *h); \
+ void kh_clear_##name(kh_##name##_t *h); \
+ khint_t kh_get_##name(kh_##name##_t *h, khkey_t key); \
+ khint_t kh_put_##name(kh_##name##_t *h, khkey_t key); \
+ void kh_resize_##name(kh_##name##_t *h, khint_t new_n_buckets); \
+ void kh_del_##name(kh_##name##_t *h, khint_t x); \
+
+/* define kh_xxx_funcs
+
+ name: ash name
+ khkey_t: key data type
+ khval_t: value data type
+ kh_is_map: (not implemented / not used in RiteVM )
+ __hash_func: hash function
+ __hash_equal: hash comparation function
+*/
+#define KHASH_DEFINE(name, khkey_t, khval_t, kh_is_map, __hash_func, __hash_equal) \
+ void kh_alloc_##name(kh_##name##_t *h) \
{ \
khint_t sz = h->n_buckets; \
h->size = h->n_occupied = 0; \
@@ -69,14 +86,14 @@ static const uint8_t __m[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
h->mask = sz-1; \
h->inc = sz/2-1; \
} \
- static inline kh_##name##_t *kh_init_##name(mrb_state *mrb){ \
+ kh_##name##_t *kh_init_##name(mrb_state *mrb){ \
kh_##name##_t *h = (kh_##name##_t*)mrb_calloc(mrb, 1, sizeof(kh_##name##_t)); \
h->n_buckets = INITIAL_HASH_SIZE; \
h->mrb = mrb; \
kh_alloc_##name(h); \
return h; \
} \
- static inline void kh_destroy_##name(kh_##name##_t *h) \
+ void kh_destroy_##name(kh_##name##_t *h) \
{ \
if( h ){ \
mrb_free(h->mrb, h->keys); \
@@ -85,7 +102,7 @@ static const uint8_t __m[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
mrb_free(h->mrb, h); \
} \
} \
- static inline void kh_clear_##name(kh_##name##_t *h) \
+ void kh_clear_##name(kh_##name##_t *h) \
{ \
if( h && h->e_flags ){ \
memset(h->e_flags, 0xff, h->n_buckets/8*sizeof(uint8_t)); \
@@ -93,7 +110,7 @@ static const uint8_t __m[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
h->size = h->n_occupied = 0; \
} \
} \
- static inline khint_t kh_get_##name(kh_##name##_t *h, khkey_t key) \
+ khint_t kh_get_##name(kh_##name##_t *h, khkey_t key) \
{ \
khint_t k = __hash_func(h->mrb,key) & (h->mask); \
while( !__ac_isempty(h->e_flags, h->d_flags, k) ){ \
@@ -104,8 +121,7 @@ static const uint8_t __m[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
} \
return h->n_buckets; \
} \
- static inline khint_t kh_put_##name(kh_##name##_t *h, khkey_t key); \
- static void kh_resize_##name(kh_##name##_t *h, khint_t new_n_buckets) \
+ void kh_resize_##name(kh_##name##_t *h, khint_t new_n_buckets) \
{ \
if( new_n_buckets<INITIAL_HASH_SIZE ){ \
new_n_buckets = INITIAL_HASH_SIZE; \
@@ -114,7 +130,7 @@ static const uint8_t __m[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
new_n_buckets = INITIAL_HASH_SIZE; \
while( new_n_buckets < limit ) new_n_buckets *= 2; \
} \
- { \
+ { \
uint8_t *old_e_flags = h->e_flags; \
khkey_t *old_keys = h->keys; \
khval_t *old_vals = h->vals; \
@@ -124,17 +140,17 @@ static const uint8_t __m[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
kh_alloc_##name(h); \
/* relocate */ \
for( i=0 ; i<old_n_buckets ; i++ ){ \
- if( !__ac_isempty(old_e_flags, old_d_flags, i) ){ \
- khint_t k = kh_put_##name(h, old_keys[i]); \
- kh_value(h,k) = old_vals[i]; \
- } \
+ if( !__ac_isempty(old_e_flags, old_d_flags, i) ){ \
+ khint_t k = kh_put_##name(h, old_keys[i]); \
+ kh_value(h,k) = old_vals[i]; \
+ } \
} \
mrb_free(h->mrb, old_e_flags); \
mrb_free(h->mrb, old_keys); \
mrb_free(h->mrb, old_vals); \
} \
} \
- static inline khint_t kh_put_##name(kh_##name##_t *h, khkey_t key) \
+ khint_t kh_put_##name(kh_##name##_t *h, khkey_t key) \
{ \
khint_t k; \
if( h->n_occupied >= h->upper_bound ){ \
@@ -159,12 +175,13 @@ static const uint8_t __m[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};
} \
return k; \
} \
- static inline void kh_del_##name(kh_##name##_t *h, khint_t x) \
+ void kh_del_##name(kh_##name##_t *h, khint_t x) \
{ \
h->d_flags[x/8] |= __m[x%8]; \
h->size--; \
}
+
#define khash_t(name) kh_##name##_t
#define kh_init(name,mrb) kh_init_##name(mrb)
@@ -197,11 +214,13 @@ static inline khint_t __ac_X31_hash_string(const char *s)
#define kh_str_hash_func(mrb,key) __ac_X31_hash_string(key)
#define kh_str_hash_equal(mrb,a, b) (strcmp(a, b) == 0)
-#define KHASH_MAP_INIT_INT(name, khval_t) \
- KHASH_INIT(name, uint32_t, khval_t, 1, kh_int_hash_func, kh_int_hash_equal)
typedef const char *kh_cstr_t;
-#define KHASH_MAP_INIT_STR(name, khval_t) \
- KHASH_INIT(name, kh_cstr_t, khval_t, 1, kh_str_hash_func, kh_str_hash_equal)
+
+/* declare common hash types. */
+#include "mruby.h"
+
+KHASH_DECLARE(mt, mrb_sym, struct RProc*, 1)
+KHASH_DECLARE(iv, mrb_sym, mrb_value, 1)
#if defined(__cplusplus)
} /* extern "C" { */