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66 lines
2.0 KiB
66 lines
2.0 KiB
/* |
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** $Id: ltable.h,v 2.23.1.2 2018/05/24 19:39:05 roberto Exp $ |
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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)->i_key.nk.next) |
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/* 'const' to avoid wrong writings that can mess up field 'next' */ |
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#define gkey(n) cast(const TValue*, (&(n)->i_key.tvk)) |
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/* |
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** writable version of 'gkey'; allows updates to individual fields, |
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** but not to the whole (which has incompatible type) |
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*/ |
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#define wgkey(n) (&(n)->i_key.nk) |
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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 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_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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