Re: can't edit...while it is executing

[Curry Kenworthy via use-livecode]

Richard:

> It's what software testers call a test. ;)
> It isolates the issue to the fewest lines of code
> needed to demonstrate the issue.

And it was a very good test! I loved it. Forewarned is forearmed, and LC 
has had quite a few traps to avoid. Glad this one is fixed in latest 
version.


The recipe I gave is well-tested and does work with your code, assuming 
it holds true on all platforms and machines; you simply have to click as 
fast as you can, constantly, while holding the Enter/Return key 
constantly until you get lucky. Then the Inspector or Message box opens 
free to type or click, if your luck holds, which is 3 out of 4 times for 
me. Kind of a fun exercise. I've used this trick or a similar one before 
to gain control in one or two real situations.


Turning Debug Mode off while not actively using it (so, using it 
consciously, only when actually needed, after experiencing a bug that 
you can't solve without examining variables) has been one of the easiest 
ways to improve IDE stability on both Windows and Mac over the years. I 
think Debug has improved quite a bit, but I would recommend it just in 
case to anyone who is having trouble. When that's rock-solid, it'll be 
another thing to celebrate! :)


Best wishes,

Curry Kenworthy

Custom Software Development
LiveCode Training and Consulting
http://livecodeconsulting.com/

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Re: can't edit...while it is executing

[Richard Gaskin via use-livecode]

Mark Waddingham wrote:

> On 2017-06-15 16:26, Richard Gaskin via use-livecode wrote:
>> Know of any trick for getting Ctrl-. to work for this in LC as it
>> does in other xTalks?
>
> Wait until dp-7 appears:
>
>http://quality.livecode.com/show_bug.cgi?id=19479

Whoohoo!  Thanks!

One more great reason to love v9.

--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com

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Re: can't edit...while it is executing

[Richard Gaskin via use-livecode]

Monte Goulding wrote:

> On 15 Jun 2017, at 10:28 am, Richard Gaskin wrote:
>
>> on mouseUp
>>  repeat
>>answer "Hi"
>>  end repeat
>> end mouseUp
>
> Lol… that I would abort in my head before it enters the script
> editor ;-)

It's what software testers call a test. ;)

It isolates the issue to the fewest lines of code needed to demonstrate 
the issue.


It would be great to remember to never put an answer dialog in an 
untested loop, and to inform newcomers that they need to use the answer 
and ask dialogs with great care to avoid any circumstances which might 
call them repeatedly.


But in our imperfect world I see questions about how to cancel out of 
such loops from time to time, and even manage to have a "D'oh!" moment 
myself when I forget to treat LC more delicately than other xTalks I've 
used.


What is it about LC that makes safely exiting with Ctrl-. harder here 
than in other xTalks?


--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com

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Re: can't edit...while it is executing

[Mark Waddingham via use-livecode]

On 2017-06-15 16:26, Richard Gaskin via use-livecode wrote:

Know of any trick for getting Ctrl-. to work for this in LC as it does
in other xTalks?


Wait until dp-7 appears:

  http://quality.livecode.com/show_bug.cgi?id=19479

Warmest Regards,

Mark.

--
Mark Waddingham ~ m...@livecode.com ~ http://www.livecode.com/
LiveCode: Everyone can create apps

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Re: can't edit...while it is executing

[Bob Sneidar via use-livecode]

A slightly better version:

on mouseUp
repeat
  answer "Hi" with "What The Hell Was I Thinking About?"
end repeat
end mouseUp

Bob S


> On Jun 14, 2017, at 22:39 , Monte Goulding via use-livecode 
>  wrote:
> 
>> on mouseUp
>> repeat
>>   answer "Hi"
>> end repeat
>> end mouseUp


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Re: can't edit...while it is executing

[Richard Gaskin via use-livecode]

Curry Kenworthy wrote:

> Richard:
>
>  > Any way to abort this?:
>  > on mouseUp
>  >repeat
>  >  answer "Hi"
>  >end repeat
>  > end mouseUp
>
> There is a good chance of succeeding if you hold down Enter
> continually to actuate the dialog OK while clicking rapidly
> on the toolbar Property Inspector icon. If the Inspector
> appears, you can use it to select your button, edit the script,
> add a breakpoint, "OK" and then stop the script. It's also
> possible to open the Message Box this way or (for slightly
> different code) turn off messages. Depending on the exact
> code and situation it may take a while to get back control but
> it's nice when it works!

The loop's too tight, can't access anything other than the answer 
dialog's OK button, after which it appears again.


Know of any trick for getting Ctrl-. to work for this in LC as it does 
in other xTalks?


--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com

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Re: can't edit...while it is executing

[Monte Goulding via use-livecode]

> On 15 Jun 2017, at 10:28 am, Richard Gaskin via use-livecode 
>  wrote:
> 
> on mouseUp
>  repeat
>answer "Hi"
>  end repeat
> end mouseUp

Lol… that I would abort in my head before it enters the script editor ;-)

Cheers

Monte
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Re: can't edit...while it is executing

[Curry Kenworthy via use-livecode]

Richard:

> Any way to abort this?:
> on mouseUp
>repeat
>  answer "Hi"
>end repeat
> end mouseUp

There is a good chance of succeeding if you hold down Enter continually 
to actuate the dialog OK while clicking rapidly on the toolbar Property 
Inspector icon. If the Inspector appears, you can use it to select your 
button, edit the script, add a breakpoint, "OK" and then stop the 
script. It's also possible to open the Message Box this way or (for 
slightly different code) turn off messages. Depending on the exact code 
and situation it may take a while to get back control but it's nice when 
it works! BTW I'm on Windows, real Windows that is. :) I think I've used 
this technique on Mac too but let me know if it works.


Best wishes,

Curry Kenworthy

Custom Software Development
http://curryk.com/consulting/

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Re: can't edit...while it is executing

[Richard Gaskin via use-livecode]

Mark Wieder wrote:
On 06/14/2017 04:48 PM, Monte Goulding via use-livecode wrote:
>> Aborting the script usually works for me when this happens.
>
> Yeah. I'd love it if that worked for me too.
> Or do you have some special way of aborting the script?

Any way to abort this?:

on mouseUp
  repeat
answer "Hi"
  end repeat
end mouseUp

--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com

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Re: can't edit...while it is executing

[Mark Wieder via use-livecode]

On 06/14/2017 04:48 PM, Monte Goulding via use-livecode wrote:

Aborting the script usually works for me when this happens.


Yeah. I'd love it if that worked for me too.
Or do you have some special way of aborting the script?
Mine is "kill -9".

--
 Mark Wieder
 ahsoftw...@gmail.com


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Re: can't edit...while it is executing

[Mark Wieder via use-livecode]

On 06/14/2017 04:43 PM, Richard Gaskin via use-livecode wrote:

The traditional xTalk solution for this is Cmd-./Ctrl-,. which safely 
exits to top with a notification the the script was aborted.


I of course tried all the usual escape routes: ctl-., ctl-break, escape, 
setting the traceabort to true... I think the latest hangup was a result 
of jsonToArray choking on a badly-formed json object, so maybe I can 
blame mergJson for this, but even so it seems that there's some flag 
that gets set in the engine and I haven't figured out how to turn it loose.


--
 Mark Wieder
 ahsoftw...@gmail.com

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Re: can't edit...while it is executing

[Monte Goulding via use-livecode]

Aborting the script usually works for me when this happens.

> On 15 Jun 2017, at 7:31 am, Mark Wieder via use-livecode 
>  wrote:
> 
> Did we ever figure out how to deal with the "can't  with this 
> script while it is executing" problem?
> 
> I've had to force-quit the IDE several times over the last few days due to a 
> script error. My own errors, but this halt-and-catch-fire mode prevents me 
> from correcting them without killing and resurrecting LC. Fortunately I've 
> gotten into the habit of saving every time I edit anything, so I haven't lost 
> any code, but I'm annoyed that the system is so unstable that I have to do 
> that.
> 
> -- 
> Mark Wieder
> ahsoftw...@gmail.com
> 
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Re: can't edit...while it is executing

[Richard Gaskin via use-livecode]

Mark Wieder wrote:
Did we ever figure out how to deal with the "can't  with 
this script while it is executing" problem?


I've had to force-quit the IDE several times over the last few days due 
to a script error. My own errors, but this halt-and-catch-fire mode 
prevents me from correcting them without killing and resurrecting LC. 
Fortunately I've gotten into the habit of saving every time I edit 
anything, so I haven't lost any code, but I'm annoyed that the system is 
so unstable that I have to do that.


The traditional xTalk solution for this is Cmd-./Ctrl-,. which safely 
exits to top with a notification the the script was aborted.


It worked that way in HC, SC, and IIRC every other xTalk I've used, even 
in the middle of a loop calling "answer".


This escape is partially implemented in LiveCode, but there are cases 
(like calling "answer" in a loop) where it isn't yet.


It would be a VERY useful addition to this xTalk dialect to have feature 
completion on this.


I'm guessing there's something about the LC engine that makes this 
harder to do than in any other xTalk.  I don't know what that challenge is.


--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com

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can't edit...while it is executing

[Mark Wieder via use-livecode]

Did we ever figure out how to deal with the "can't  with 
this script while it is executing" problem?


I've had to force-quit the IDE several times over the last few days due 
to a script error. My own errors, but this halt-and-catch-fire mode 
prevents me from correcting them without killing and resurrecting LC. 
Fortunately I've gotten into the habit of saving every time I edit 
anything, so I haven't lost any code, but I'm annoyed that the system is 
so unstable that I have to do that.


--
 Mark Wieder
 ahsoftw...@gmail.com

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