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

[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 listJWLua at jwmusic.nuhttp://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>>
>>
>> --
>> Jan Angermüller
>> Orchideenstieg 13
>> 22297 Hamburg
>> Tel. 040 - 28 94 84 82
>> Mobil 0173 - 99 33 904www.elbsound.studio
>>
>> _______________________________________________
>> JWLua mailing list
>> JWLua at jwmusic.nu
>> http://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>>
>
> _______________________________________________
> JWLua mailing listJWLua at jwmusic.nuhttp://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>
>
> --
> Jan Angermüller
> Orchideenstieg 13
> 22297 Hamburg
> Tel. 040 - 28 94 84 82
> Mobil 0173 - 99 33 904www.elbsound.studio
>
> _______________________________________________
> JWLua mailing list
> JWLua at jwmusic.nu
> http://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>
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