1 files changed, 74 insertions, 0 deletions
diff --git a/internal/set_table.h b/internal/set_table.h
new file mode 100644
index 0000000000..3876a8935e
--- /dev/null
+++ b/internal/set_table.h
@@ -0,0 +1,74 @@
+#ifndef INTERNAL_SET_TABLE_H
+#define INTERNAL_SET_TABLE_H
+
+#include "ruby/st.h"
+
+struct set_table_entry;
+
+typedef struct set_table_entry set_table_entry;
+
+struct set_table {
+    /* Cached features of the table -- see st.c for more details.  */
+    unsigned char entry_power, bin_power, size_ind;
+    /* How many times the table was rebuilt.  */
+    unsigned int rebuilds_num;
+    const struct st_hash_type *type;
+    /* Number of entries currently in the table.  */
+    st_index_t num_entries;
+
+    /* Start and bound index of entries in array entries.
+       entries_starts and entries_bound are in interval
+       [0,allocated_entries].  */
+    st_index_t entries_start, entries_bound;
+
+    /**
+     * Array of size 2^entry_power.
+     * Followed by st_index_t *bins, Array of bins used for access by keys.
+     */
+    set_table_entry *entries;
+};
+
+typedef struct set_table set_table;
+
+typedef int set_foreach_callback_func(st_data_t, st_data_t);
+typedef int set_foreach_check_callback_func(st_data_t, st_data_t, int);
+typedef int set_update_callback_func(st_data_t *key, st_data_t arg, int existing);
+
+#define set_table_size rb_set_table_size
+size_t rb_set_table_size(const struct set_table *tbl);
+#define set_init_table_with_size rb_set_init_table_with_size
+set_table *rb_set_init_table_with_size(set_table *tab, const struct st_hash_type *, st_index_t);
+#define set_init_numtable rb_set_init_numtable
+set_table *rb_set_init_numtable(void);
+#define set_init_numtable_with_size rb_set_init_numtable_with_size
+set_table *rb_set_init_numtable_with_size(st_index_t size);
+#define set_init_embedded_numtable_with_size rb_set_init_embedded_numtable_with_size
+set_table *rb_set_init_embedded_numtable_with_size(struct set_table *tbl, st_index_t size);
+#define set_table_delete rb_set_table_delete
+int rb_set_table_delete(set_table *, st_data_t *); /* returns 0:notfound 1:deleted */
+#define set_insert rb_set_insert
+int rb_set_insert(set_table *, st_data_t);
+#define set_table_lookup rb_set_table_lookup
+int rb_set_table_lookup(set_table *, st_data_t);
+#define set_foreach_with_replace rb_set_foreach_with_replace
+int rb_set_foreach_with_replace(set_table *tab, set_foreach_check_callback_func *func, set_update_callback_func *replace, st_data_t arg);
+#define set_table_foreach rb_set_table_foreach
+int rb_set_table_foreach(set_table *, set_foreach_callback_func *, st_data_t);
+#define set_foreach_check rb_set_foreach_check
+int rb_set_foreach_check(set_table *, set_foreach_check_callback_func *, st_data_t, st_data_t);
+#define set_keys rb_set_keys
+st_index_t rb_set_keys(set_table *table, st_data_t *keys, st_index_t size);
+#define set_free_table rb_set_free_table
+void rb_set_free_table(set_table *);
+#define set_free_embedded_table rb_set_free_embedded_table
+void set_free_embedded_table(set_table *tab);
+#define set_table_clear rb_set_table_clear
+void rb_set_table_clear(set_table *);
+#define set_copy rb_set_copy
+set_table *rb_set_copy(set_table *new_table, set_table *old_table);
+#define set_memsize rb_set_memsize
+PUREFUNC(size_t rb_set_memsize(const set_table *));
+#define set_compact_table rb_set_compact_table
+void set_compact_table(set_table *tab);
+
+#endif