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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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** $Id: ltable.h,v 2.24 2017/05/19 12:48:15 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 gval(n) (&(n)->i_val)
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#define gnext(n) ((n)->u.next)
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#define invalidateTMcache(t) ((t)->flags = 0)
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/* true when 't' is using 'dummynode' as its hash part */
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#define isdummy(t) ((t)->lastfree == NULL)
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/* allocated size for hash nodes */
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#define allocsizenode(t) (isdummy(t) ? 0 : sizenode(t))
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/* returns the Node, given the value of a table entry */
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#define nodefromval(v) cast(Node *, (v))
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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_getshortstr (Table *t, TString *key);
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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, unsigned int nasize,
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unsigned int nhsize);
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LUAI_FUNC void luaH_resizearray (lua_State *L, Table *t, unsigned 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 lua_Unsigned 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 (const Table *t);
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#endif
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#endif
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