111     const TValue *tm;  in luaV_gettable()  local
116           (tm = fasttm(L, h->metatable, TM_INDEX)) == NULL) { /* or no TM? */  in luaV_gettable()
122     else if (ttisnil(tm = luaT_gettmbyobj(L, t, TM_INDEX)))  in luaV_gettable()
124     if (ttisfunction(tm)) {  in luaV_gettable()
125       callTMres(L, val, tm, t, key);  in luaV_gettable()
128     t = tm;  /* else repeat with `tm' */   in luaV_gettable()
138     const TValue *tm;  in luaV_settable()  local
143           (tm = fasttm(L, h->metatable, TM_NEWINDEX)) == NULL) { /* or no TM? */  in luaV_settable()
151     else if (ttisnil(tm = luaT_gettmbyobj(L, t, TM_NEWINDEX)))  in luaV_settable()
153     if (ttisfunction(tm)) {  in luaV_settable()
154       callTM(L, tm, t, key, val);  in luaV_settable()
158     setobj(L, &temp, tm);  /* avoid pointing inside table (may rehash) */  in luaV_settable()
167   const TValue *tm = luaT_gettmbyobj(L, p1, event);  /* try first operand */  in call_binTM()  local
168   if (ttisnil(tm))  in call_binTM()
169     tm = luaT_gettmbyobj(L, p2, event);  /* try second operand */  in call_binTM()
170   if (ttisnil(tm)) return 0;  in call_binTM()
171   callTMres(L, res, tm, p1, p2);  in call_binTM()
256   const TValue *tm;  in luaV_equalval()  local
265       tm = get_compTM(L, uvalue(t1)->metatable, uvalue(t2)->metatable,  in luaV_equalval()
271       tm = get_compTM(L, hvalue(t1)->metatable, hvalue(t2)->metatable, TM_EQ);  in luaV_equalval()
276   if (tm == NULL) return 0;  /* no TM? */  in luaV_equalval()
277   callTMres(L, L->top, tm, t1, t2);  /* call TM */  in luaV_equalval()
364 #define arith_op(op,tm) { \  argument
372           Protect(Arith(L, ra, rb, rc, tm)); \