Function luaD_hookcall

3rd/lua-5.4.3/src/ldo.c:347–357

** Executes a call hook for Lua functions. This function is called ** whenever 'hookmask' is not zero, so it checks whether call hooks are ** active. */

** active.
*/
void luaD_hookcall (lua_State *L, CallInfo *ci) {
  L->oldpc = 0;  /* set 'oldpc' for new function */
  if (L->hookmask & LUA_MASKCALL) {  /* is call hook on? */
    int event = (ci->callstatus & CIST_TAIL) ? LUA_HOOKTAILCALL
                                             : LUA_HOOKCALL;
    Proto *p = ci_func(ci)->p;
    ci->u.l.savedpc++;  /* hooks assume 'pc' is already incremented */
    luaD_hook(L, event, -1, 1, p->numparams);
    ci->u.l.savedpc--;  /* correct 'pc' */
  }
}


/*