ltm.h
上传用户:dzyhzl
上传日期:2019-04-29
资源大小:56270k
文件大小:1k
- /*
- ** $Id: ltm.h,v 1.18 2000/10/05 13:00:17 roberto Exp $
- ** Tag methods
- ** See Copyright Notice in lua.h
- */
- #ifndef ltm_h
- #define ltm_h
- #include "lobject.h"
- #include "lstate.h"
- /*
- * WARNING: if you change the order of this enumeration,
- * grep "ORDER TM"
- */
- typedef enum {
- TM_GETTABLE = 0,
- TM_SETTABLE,
- TM_INDEX,
- TM_GETGLOBAL,
- TM_SETGLOBAL,
- TM_ADD,
- TM_SUB,
- TM_MUL,
- TM_DIV,
- TM_POW,
- TM_UNM,
- TM_LT,
- TM_CONCAT,
- TM_GC,
- TM_FUNCTION,
- TM_N /* number of elements in the enum */
- } TMS;
- struct TM {
- Closure *method[TM_N];
- TString *collected; /* list of garbage-collected udata with this tag */
- };
- #define luaT_gettm(L,tag,event) (L->TMtable[tag].method[event])
- #define luaT_gettmbyObj(L,o,e) (luaT_gettm((L),luaT_tag(o),(e)))
- #define validtag(t) (NUM_TAGS <= (t) && (t) <= L->last_tag)
- extern const char *const luaT_eventname[];
- void luaT_init (lua_State *L);
- void luaT_realtag (lua_State *L, int tag);
- int luaT_tag (const TObject *o);
- int luaT_validevent (int t, int e); /* used by compatibility module */
- #endif