mirror of
https://github.com/lua/lua
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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/*
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** $Id: ltable.h,v 2.17 2013/04/26 15:39:25 roberto Exp roberto $
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** Lua tables (hash)
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** See Copyright Notice in lua.h
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*/
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#ifndef ltable_h
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#define ltable_h
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#include "lobject.h"
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#define gnode(t,i) (&(t)->node[i])
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#define gkey(n) (&(n)->i_key.tvk)
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#define gval(n) (&(n)->i_val)
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#define gnext(n) ((n)->i_key.nk.next)
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#define invalidateTMcache(t) ((t)->flags = 0)
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/* returns the key, given the value of a table entry */
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#define keyfromval(v) \
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(gkey(cast(Node *, cast(char *, (v)) - offsetof(Node, i_val))))
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LUAI_FUNC const TValue *luaH_getint (Table *t, lua_Integer key);
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LUAI_FUNC void luaH_setint (lua_State *L, Table *t, lua_Integer key,
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TValue *value);
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LUAI_FUNC const TValue *luaH_getstr (Table *t, TString *key);
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LUAI_FUNC const TValue *luaH_get (Table *t, const TValue *key);
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LUAI_FUNC TValue *luaH_newkey (lua_State *L, Table *t, const TValue *key);
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LUAI_FUNC TValue *luaH_set (lua_State *L, Table *t, const TValue *key);
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LUAI_FUNC Table *luaH_new (lua_State *L);
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LUAI_FUNC void luaH_resize (lua_State *L, Table *t, int nasize, int nhsize);
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LUAI_FUNC void luaH_resizearray (lua_State *L, Table *t, int nasize);
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LUAI_FUNC void luaH_free (lua_State *L, Table *t);
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LUAI_FUNC int luaH_next (lua_State *L, Table *t, StkId key);
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LUAI_FUNC int luaH_getn (Table *t);
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#if defined(LUA_DEBUG)
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LUAI_FUNC Node *luaH_mainposition (const Table *t, const TValue *key);
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LUAI_FUNC int luaH_isdummy (Node *n);
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#endif
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#endif
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