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goto label; behavior

 
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future



Joined: 14 May 2004
Posts: 330

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goto label; behavior
PostPosted: Mon Jul 26, 2004 2:28 pm     Reply with quote
I am trying to use this statement, but it only works if the label is before the call, is this the normal behavior?
Ttelmah
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Re: goto label; behavior
PostPosted: Mon Jul 26, 2004 2:47 pm     Reply with quote
future wrote:
I am trying to use this statement, but it only works if the label is before the call, is this the normal behavior?

No.
How are you defining 'label'?.
The syntax is:

GOTO MYJUMP;
//any code you want
MYJUMP:
//more code here

There should not be a 'call' (this is a goto, not a call). If you want to call something (a subroutine), then either this needs to be defined beforehand, or a prototype must exist.
How old is your compiler?. though this has worked correctly for years, if you have an 'antique' version, all bets are off...

Best Wishes
future



Joined: 14 May 2004
Posts: 330

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PostPosted: Mon Jul 26, 2004 3:22 pm     Reply with quote
Version is 3.200

I really dont know now ;)

I was trying to code something that would require a label to jump some code.. I gave up and used another way.

I dont know where was the problem but:

label:
..
..
goto label; //worked fine


goto label;
..
..
label: // didnt compile

I could not reproduce the error now, probably it was me but thanks for your attention.
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Mon Jul 26, 2004 3:51 pm     Reply with quote
Quote:
I dont know where was the problem but:
label:
..
goto label; //worked fine

goto label;
..
label: // didnt compile


See this thread. This was likely the problem:
http://www.ccsinfo.com/forum/viewtopic.php?t=3033&highlight=label
future



Joined: 14 May 2004
Posts: 330

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PostPosted: Mon Jul 26, 2004 6:50 pm     Reply with quote
Great PCM!

Sometimes I stuck in some little big details ;)

That continue; saved me a lot of head scratching.
Ttelmah
Guest
PostPosted: Tue Jul 27, 2004 3:02 am     Reply with quote
future wrote:
Great PCM!

Sometimes I stuck in some little big details ;)

That continue; saved me a lot of head scratching.

Interestingly, this is not true with three compiler versions I tried. Suggests it has been 'fixed', but a real 'caveat' for anyone using GOTO constructs...

:-)

Best Wishes
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