Re: debug.getlocal from within return hook

[Philipp Janda <siffiejoe@...>]

Am 20.05.2015 um 07:24 schröbte "书呆彭, Peng Yi":
> as Roberto said, it is due to an optimization in the opcode generator.
> before Lua changes(or should I say fixes?) this inconsistent hook behavior,
> you can use a simple workaround: just reserve a new stack slot and copy the
> to-be-returned local variable there, then return the new one.
>
> in your test script, it is something like:
>
> -------------------------------------
>    local function func ()
>      local a, b, c, d, e = <...>
>      <...>
>      local __ret = b
>      return __ret
>    end
> -------------------------------------

Thanks again, but I will probably use a line-hook for now. I'd like to 
avoid parsing Lua files of possibly different Lua versions and patching 
their source code. I can't see an easy and reliable way to do that 
automatically.

Philipp