raw ptr not hold by lua, lua not collect it

search obj from registry, push cached obj and return true if find it

used for debug

=========================================================================*\ * Global Lua functions \*=================================================

-------------------------------------------------------------------------*\ * Skip a few arguments \*-------------------------------------------------

-------------------------------------------------------------------------*\ * Unloads the library \*--------------------------------------------------

** to be called by 'lua_checkstack' in protected mode, to grow stack ** capturing memory errors */

** Call hook function registered at hook table for the current ** thread (if there is one) */

-------------------------------------------------------------------------*\ * Gets the host name \*---------------------------------------------------

-------------------------------------------------------------------------*\ * Returns all information provided by the resolver given a host name * or

-------------------------------------------------------------------------*\ * Returns all information provided by the resolver given a host name * or

=========================================================================*\ * Exported functions \*===================================================

C++原生类和结构体的next和pairs

index is int-list based 0, so should plus Offset to get first arg (not include obj ptr if it's a member function)

index is int-list based 0, so should plus Offset to get first arg (not include obj ptr if it's a member function)