mirror of
https://github.com/lua/lua
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88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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** $Id: ltm.h,v 2.30 2018/02/07 15:18:04 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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#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" and "ORDER OP"
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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_LEN,
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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_MOD,
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TM_POW,
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TM_DIV,
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TM_IDIV,
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TM_BAND,
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TM_BOR,
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TM_BXOR,
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TM_SHL,
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TM_SHR,
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TM_UNM,
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TM_BNOT,
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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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#define ttypename(x) luaT_typenames_[(x) + 1]
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LUAI_DDEC const char *const luaT_typenames_[LUA_TOTALTAGS];
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LUAI_FUNC const char *luaT_objtypename (lua_State *L, const TValue *o);
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LUAI_FUNC const TValue *luaT_gettm (Table *events, TMS event, TString *ename);
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LUAI_FUNC const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o,
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TMS event);
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LUAI_FUNC void luaT_init (lua_State *L);
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LUAI_FUNC void luaT_callTM (lua_State *L, const TValue *f, const TValue *p1,
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const TValue *p2, const TValue *p3);
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LUAI_FUNC void luaT_callTMres (lua_State *L, const TValue *f,
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const TValue *p1, const TValue *p2, StkId p3);
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LUAI_FUNC void luaT_trybinTM (lua_State *L, const TValue *p1, const TValue *p2,
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StkId res, TMS event);
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LUAI_FUNC void luaT_trybinassocTM (lua_State *L, const TValue *p1,
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const TValue *p2, StkId res, int inv, TMS event);
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LUAI_FUNC void luaT_trybiniTM (lua_State *L, const TValue *p1, int i2,
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int inv, StkId res, TMS event);
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LUAI_FUNC int luaT_callorderTM (lua_State *L, const TValue *p1,
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const TValue *p2, TMS event);
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LUAI_FUNC int luaT_callorderiTM (lua_State *L, const TValue *p1, int v2,
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int inv, TMS event);
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LUAI_FUNC void luaT_adjustvarargs (lua_State *L, int nfixparams,
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struct CallInfo *ci);
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LUAI_FUNC void luaT_getvarargs (lua_State *L, struct CallInfo *ci,
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StkId where, int wanted);
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#endif
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