mirror of
https://gitcode.com/JianFeeeee/LuaCangjia_api.git
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7e91ea6d13
- Lua 4.0 是首个引入 lua_State* 的版本, 但 API 与 5.x 代际差异大 - 桥接层适配要点与工作量评估见 doc/ADAPTATION-lua40.md - 本分支暂不承诺可编译, 后续按需移植
60 lines
1.0 KiB
C
60 lines
1.0 KiB
C
/*
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** $Id: ltm.h,v 1.18 2000/10/05 13:00:17 roberto Exp $
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** Tag methods
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** See Copyright Notice in lua.h
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*/
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#ifndef ltm_h
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#define ltm_h
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#include "lobject.h"
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#include "lstate.h"
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/*
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* WARNING: if you change the order of this enumeration,
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* grep "ORDER TM"
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*/
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typedef enum {
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TM_GETTABLE = 0,
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TM_SETTABLE,
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TM_INDEX,
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TM_GETGLOBAL,
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TM_SETGLOBAL,
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TM_ADD,
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TM_SUB,
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TM_MUL,
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TM_DIV,
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TM_POW,
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TM_UNM,
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TM_LT,
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TM_CONCAT,
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TM_GC,
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TM_FUNCTION,
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TM_N /* number of elements in the enum */
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} TMS;
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struct TM {
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Closure *method[TM_N];
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TString *collected; /* list of garbage-collected udata with this tag */
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};
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#define luaT_gettm(L,tag,event) (L->TMtable[tag].method[event])
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#define luaT_gettmbyObj(L,o,e) (luaT_gettm((L),luaT_tag(o),(e)))
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#define validtag(t) (NUM_TAGS <= (t) && (t) <= L->last_tag)
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extern const char *const luaT_eventname[];
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void luaT_init (lua_State *L);
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void luaT_realtag (lua_State *L, int tag);
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int luaT_tag (const TObject *o);
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int luaT_validevent (int t, int e); /* used by compatibility module */
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#endif
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