Recursion level? - Stack overflow?

[DaLiMan]

I'm having an error which sounds somewhat like:

Error: Excursion level has exceeded - Auto It it trying to prevent a stack overflow.

Can someone tell me what all this means?

And more important, how to prevent it??

[DaLiMan]

that means that this is a nono

Func SomeFunction()
  SomeFunction()
EndFunc

do not call a function within itself...

<{POST_SNAPBACK}>

OK.

Any quick ideas of making the script better stuctured?

[redndahead]

My guess is that your checking to see if you need to run the function again and then trying to run it again Do this:

$MyFunc=0

While NOT $MyFunc
$MyFunc=SomeFunction()
Wend

Func SomeFunc()
If it works
Return(1)
Else
Return(0)
EndFunc

red

[DaLiMan]

@redndahead

That's right.

I'm gonna change it like you you sayd.

10X

[ezzetabi]

Actually it can be useful recall a func from inside itself. But, rember to Retun just line after...

[Matt @ MPCS]

What's this? AutoIt doesn't support recursion??? Hmmm... note to self... bug jon about adding into next release...

*** Matt @ MPCS

[this-is-me]

It does support recursion, but not unlimited recursion. Recursion in any well-rounded script only serves to confuse the maker of the script and is not a good coding practice. That is why the error is currently there.

[ezzetabi]

I found it useful when you have to 'correct' what the user input.

E.g. a non case sensitive string, the user input, the first part of the script check if it is fully lowercase. if it is it continues otherwise it makes it lowercase and restarts.

Of course this simple case can be solved with just a IF, but sometime in more complex loops you may need it. But... RETURN!!!

Edited September 11, 2004 by ezzetabi

[DaLiMan]

Actually it can be useful recall a func from inside itself. But, rember to Retun just  line after...

<{POST_SNAPBACK}>

How's that?

Can you give me an little example code?

[ezzetabi]

Little example.

It is little and it can solved elsehow, but it may give you an idea.

;$test keep a program to run
$test='program'
_Run($test)

Exit
Func _Run($input)
   If Not FileExist($input) AND FileExist($input & '.exe') Then
      _Run($input & '.exe')
      Return
   EndIf
   Run($input)
EndFunc

Edited September 13, 2004 by ezzetabi