[JW Lua] ExecuteLuaScriptItem: returning an error message - still not working

[Jan Angermüller]

No problem, Robert.
Great that you have found it!


Am 22.12.2022 um 18:30 schrieb Robert Patterson:
> Whoops, there's a bug. Sorry. I can fix it for the next version, but I 
> don't see any way to do what you want right now.
>
> On Thu, Dec 22, 2022 at 11:16 AM Jan Angermüller 
> <jan at angermueller.com> wrote:
>
>     Robert,
>
>     your suggestion is exactly the code that I tried before I wrote
>     the first message in this thread.
>     I tried:
>     /return tostring(false) /
>     /return false//
>     //return "Cancel"/
>
>     When I do this
>     /local success, msg = finenv.ExecuteLuaScriptItem(item)//
>     /gets me:
>     success == true
>     msg == nil
>
>     I only get /success==false /with/error(...)/
>     (tested on Windows/Fin27/RGP Lua 0.65 only)
>
>     Jan
>
>     Am 22.12.2022 um 18:04 schrieb Robert Patterson:
>>     It looks like the code always shows the error message. :-/
>>
>>     For your purposes, I think the best choice might be simply to
>>     return a message. Or just return tostring(false) and then compare
>>     the string returned to that, if you don't care about the message.
>>
>>     Something like:
>>
>>     local success, msg = finenv.ExecuteLuaScriptItem(item)
>>     if success and msg then <do-error-return-code> end
>>
>>
>>     On Thu, Dec 22, 2022 at 10:47 AM Jan Angermüller
>>     <jan at angermueller.com> wrote:
>>
>>         Hm, I still didn't succeed.
>>
>>         When I throw an error message in a lua script with:
>>         /error("Cancel",2)/
>>         then this a user dialog always pops up in RGP Lua/Windows:
>>
>>
>>         Is there a way to not show this dialog in RGP Lua?
>>         (Tested in Fin27.2/Windows 10/RGP Lua 0.65)
>>
>>         This happens without/finenv.ExecuteLuaScriptItem/ , it's just
>>         the /error(...) /that leads to the popup./
>>         /
>>         The same code in JW Lua doesn't give a dialog that pops up.
>>
>>         Or does anyone have an example code of how to end a lua
>>         script so that it passes a "not successful" to
>>         /finenv.ExecuteLuaScriptItem /without showing any error messages.
>>
>>         Jan
>>
>>
>>
>>         Am 20.12.2022 um 01:27 schrieb Robert Patterson:
>>>         As far as I can tell, ExecuteLuaScriptItem is working as
>>>         documented
>>>         <https://www.finalelua.com/docs/rgp-lua/finenv-properties#executeluascriptitem-function>.
>>>         It is not the same behavior as a command line tool. As for
>>>         the 'error' function, it will close the Lua state of the
>>>         called script, but that would appear to be what you want
>>>         anyway. Otherwise you can return a string that will be
>>>         returned in the second return value of ExecuteLuaScriptItem.
>>>
>>>         _______________________________________________
>>>         JWLua mailing list
>>>         JWLua at jwmusic.nu
>>>         http://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>>
>>         -- 
>>         Jan Angermüller
>>         Orchideenstieg 13
>>         22297 Hamburg
>>         Tel. 040 - 28 94 84 82
>>         Mobil 0173 - 99 33 904
>>         www.elbsound.studio  <http://www.elbsound.studio>
>>
>>         _______________________________________________
>>         JWLua mailing list
>>         JWLua at jwmusic.nu
>>         http://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>>
>>
>>     _______________________________________________
>>     JWLua mailing list
>>     JWLua at jwmusic.nu
>>     http://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>
>     -- 
>     Jan Angermüller
>     Orchideenstieg 13
>     22297 Hamburg
>     Tel. 040 - 28 94 84 82
>     Mobil 0173 - 99 33 904
>     www.elbsound.studio  <http://www.elbsound.studio>
>
>     _______________________________________________
>     JWLua mailing list
>     JWLua at jwmusic.nu
>     http://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>
>
> _______________________________________________
> JWLua mailing list
> JWLua at jwmusic.nu
> http://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu

-- 
Jan Angermüller
Orchideenstieg 13
22297 Hamburg
Tel. 040 - 28 94 84 82
Mobil 0173 - 99 33 904
www.elbsound.studio
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