/*

** $Id: ltable.h,v 2.16.1.2 2013/08/30 15:49:41 roberto Exp $

** Lua tables (hash)

** See Copyright Notice in lua.h

*/

#ifndef ltable_h

#define ltable_h

#include "lobject.h"

#define gnode(t,i) (&(t)->node[i])

#define gkey(n) (&(n)->i_key.tvk)

#define gval(n) (&(n)->i_val)

#define gnext(n) ((n)->i_key.nk.next)

#define invalidateTMcache(t) ((t)->flags = 0)

/* returns the key, given the value of a table entry */

#define keyfromval(v) \

(gkey(cast(Node *, cast(char *, (v)) - offsetof(Node, i_val))))

LUAI_FUNC const TValue *luaH_getint (Table *t, int key);

LUAI_FUNC void luaH_setint (lua_State *L, Table *t, int key, TValue *value);

LUAI_FUNC const TValue *luaH_getstr (Table *t, TString *key);

LUAI_FUNC const TValue *luaH_get (Table *t, const TValue *key);

LUAI_FUNC TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key);

LUAI_FUNC TValue *luaH_set (lua_State *L, Table *t, const TValue *key);

LUAI_FUNC Table *luaH_new (lua_State *L);

LUAI_FUNC void luaH_resize (lua_State *L, Table *t, int nasize, int nhsize);

LUAI_FUNC void luaH_resizearray (lua_State *L, Table *t, int nasize);

LUAI_FUNC void luaH_free (lua_State *L, Table *t);

LUAI_FUNC int luaH_next (lua_State *L, Table *t, StkId key);

LUAI_FUNC int luaH_getn (Table *t);

#if defined(LUA_DEBUG)

LUAI_FUNC Node *luaH_mainposition (const Table *t, const TValue *key);

LUAI_FUNC int luaH_isdummy (Node *n);

#endif

#endif