1 /* $NetBSD: ltable.h,v 1.10 2023/06/08 21:12:08 nikita Exp $ */ 2 3 /* 4 ** Id: ltable.h 5 ** Lua tables (hash) 6 ** See Copyright Notice in lua.h 7 */ 8 9 #ifndef ltable_h 10 #define ltable_h 11 12 #include "lobject.h" 13 14 15 #define gnode(t,i) (&(t)->node[i]) 16 #define gval(n) (&(n)->i_val) 17 #define gnext(n) ((n)->u.next) 18 19 20 /* 21 ** Clear all bits of fast-access metamethods, which means that the table 22 ** may have any of these metamethods. (First access that fails after the 23 ** clearing will set the bit again.) 24 */ 25 #define invalidateTMcache(t) ((t)->flags &= ~maskflags) 26 27 28 /* true when 't' is using 'dummynode' as its hash part */ 29 #define isdummy(t) ((t)->lastfree == NULL) 30 31 32 /* allocated size for hash nodes */ 33 #define allocsizenode(t) (isdummy(t) ? 0 : sizenode(t)) 34 35 36 /* returns the Node, given the value of a table entry */ 37 #define nodefromval(v) cast(Node *, (v)) 38 39 40 LUAI_FUNC const TValue *luaH_getint (Table *t, lua_Integer key); 41 LUAI_FUNC void luaH_setint (lua_State *L, Table *t, lua_Integer key, 42 TValue *value); 43 LUAI_FUNC const TValue *luaH_getshortstr (Table *t, TString *key); 44 LUAI_FUNC const TValue *luaH_getstr (Table *t, TString *key); 45 LUAI_FUNC const TValue *luaH_get (Table *t, const TValue *key); 46 LUAI_FUNC void luaH_newkey (lua_State *L, Table *t, const TValue *key, 47 TValue *value); 48 LUAI_FUNC void luaH_set (lua_State *L, Table *t, const TValue *key, 49 TValue *value); 50 LUAI_FUNC void luaH_finishset (lua_State *L, Table *t, const TValue *key, 51 const TValue *slot, TValue *value); 52 LUAI_FUNC Table *luaH_new (lua_State *L); 53 LUAI_FUNC void luaH_resize (lua_State *L, Table *t, unsigned int nasize, 54 unsigned int nhsize); 55 LUAI_FUNC void luaH_resizearray (lua_State *L, Table *t, unsigned int nasize); 56 LUAI_FUNC void luaH_free (lua_State *L, Table *t); 57 LUAI_FUNC int luaH_next (lua_State *L, Table *t, StkId key); 58 LUAI_FUNC lua_Unsigned luaH_getn (Table *t); 59 LUAI_FUNC unsigned int luaH_realasize (const Table *t); 60 61 62 #if defined(LUA_DEBUG) 63 LUAI_FUNC Node *luaH_mainposition (const Table *t, const TValue *key); 64 #endif 65 66 67 #endif 68