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ltable.h

53 строки2 KB

Roberto Ierusalimschy

size for array part of a table ('sizearray') changed from 'int' to

04 сен 2014, 22:15

04 сен 2014, 22:153a15c7c

/*
** $Id: ltable.h,v 2.19 2014/07/29 16:22:24 roberto Exp roberto $
** 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 gval(n)		(&(n)->i_val)
#define gnext(n)	((n)->i_key.nk.next)


/* 'const' to avoid wrong writings that can mess up field 'next' */ 
#define gkey(n)		cast(const TValue*, (&(n)->i_key.tvk))

#define wgkey(n)		(&(n)->i_key.nk)

#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, lua_Integer key);
LUAI_FUNC void luaH_setint (lua_State *L, Table *t, lua_Integer 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, unsigned int nasize,
                                                    unsigned int nhsize);
LUAI_FUNC void luaH_resizearray (lua_State *L, Table *t, unsigned 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