| 57 | |
| 58 | |
| 59 | static void traceexec (lua_State *L) { |
| 60 | CallInfo *ci = L->ci; |
| 61 | lu_byte mask = L->hookmask; |
| 62 | int counthook = ((mask & LUA_MASKCOUNT) && L->hookcount == 0); |
| 63 | if (counthook) |
| 64 | resethookcount(L); /* reset count */ |
| 65 | if (ci->callstatus & CIST_HOOKYIELD) { /* called hook last time? */ |
| 66 | ci->callstatus &= ~CIST_HOOKYIELD; /* erase mark */ |
| 67 | return; /* do not call hook again (VM yielded, so it did not move) */ |
| 68 | } |
| 69 | if (counthook) |
| 70 | luaD_hook(L, LUA_HOOKCOUNT, -1); /* call count hook */ |
| 71 | if (mask & LUA_MASKLINE) { |
| 72 | Proto *p = ci_func(ci)->p; |
| 73 | int npc = pcRel(ci->u.l.savedpc, p); |
| 74 | int newline = getfuncline(p, npc); |
| 75 | if (npc == 0 || /* call linehook when enter a new function, */ |
| 76 | ci->u.l.savedpc <= L->oldpc || /* when jump back (loop), or when */ |
| 77 | newline != getfuncline(p, pcRel(L->oldpc, p))) /* enter a new line */ |
| 78 | luaD_hook(L, LUA_HOOKLINE, newline); /* call line hook */ |
| 79 | } |
| 80 | L->oldpc = ci->u.l.savedpc; |
| 81 | if (L->status == LUA_YIELD) { /* did hook yield? */ |
| 82 | if (counthook) |
| 83 | L->hookcount = 1; /* undo decrement to zero */ |
| 84 | ci->u.l.savedpc--; /* undo increment (resume will increment it again) */ |
| 85 | ci->callstatus |= CIST_HOOKYIELD; /* mark that it yielded */ |
| 86 | ci->func = L->top - 1; /* protect stack below results */ |
| 87 | luaD_throw(L, LUA_YIELD); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | |
| 92 | static void callTM (lua_State *L, const TValue *f, const TValue *p1, |
no test coverage detected