support theap for T_HASH. [Feature #14989]

* hash.c, internal.h: support theap for small Hash.
  Introduce RHASH_ARRAY (li_table) besides st_table and small Hash
  (<=8 entries) are managed by an array data structure.
  This array data can be managed by theap.
  If st_table is needed, then converting array data to st_table data.

  For st_table using code, we prepare "stlike" APIs which accepts hash value
  and are very similar to st_ APIs.

  This work is based on the GSoC achievement
  by tacinight <[email protected]> and refined by ko1.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65454 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index 11a97cb6a2..d60f370a6d 100644
--- a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -520,11 +520,12 @@ VALUE rb_hash_delete(VALUE,VALUE);
 VALUE rb_hash_set_ifnone(VALUE hash, VALUE ifnone);
 typedef VALUE rb_hash_update_func(VALUE newkey, VALUE oldkey, VALUE value);
 VALUE rb_hash_update_by(VALUE hash1, VALUE hash2, rb_hash_update_func *func);
-struct st_table *rb_hash_tbl(VALUE);
+struct st_table *rb_hash_tbl(VALUE, const char *file, int line);
 int rb_path_check(const char*);
 int rb_env_path_tainted(void);
 VALUE rb_env_clear(void);
 VALUE rb_hash_size(VALUE);
+void rb_hash_free(VALUE);
 /* io.c */
 #define rb_defout rb_stdout
 RUBY_EXTERN VALUE rb_fs;