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https://github.com/lua/lua
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53 lines
924 B
C
53 lines
924 B
C
/*
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** $Id: ltm.h,v 2.1 2003/12/10 12:13:36 roberto Exp roberto $
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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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/*
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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_INDEX,
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TM_NEWINDEX,
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TM_GC,
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TM_MODE,
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TM_EQ, /* last tag method with `fast' access */
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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_MOD,
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TM_POW,
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TM_UNM,
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TM_LT,
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TM_LE,
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TM_CONCAT,
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TM_CALL,
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TM_N /* number of elements in the enum */
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} TMS;
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#define gfasttm(g,et,e) ((et) == NULL ? NULL : \
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((et)->flags & (1u<<(e))) ? NULL : luaT_gettm(et, e, (g)->tmname[e]))
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#define fasttm(l,et,e) gfasttm(G(l), et, e)
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const TValue *luaT_gettm (Table *events, TMS event, TString *ename);
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const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o, TMS event);
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void luaT_init (lua_State *L);
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extern const char *const luaT_typenames[];
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#endif
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