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Variables Challenge 2015

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tsh73 Jan 7, 2015

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Variables challenge

Thread:
LB forum\Contests\Variables

Original post (Rod, Dec 17th, 2014, 02:13am):

Here is a little task for the seasonal break. Write a program using Liberty BASIC 4.50 beta 3 that will list the names of all variables used in any program submitted to it. The list can be a simple list or something more ordered its up to you.

This will help beta test our new version of Liberty. Code should be ready for the first week of the new year.

http://www.libertybasic.com/lb45b3setup.exe

Entries:

by MKnarr

http://users.sisna.com/jbross/lbreader.zip

I would like to submit a program I wrote several years ago in LB 4.04 and have now saved it with version 4.5 beta 3. It includes string and numeric reserved > keywords words that are new in version 4.5.

It not only finds all the string and numeracy variables in any program but arrays, handles, labels, goto, gosub and subs and function names.

It is in a zip file because it contains bitmaps etc.

Entry by Rod

I'm travelling soon and out of time. This has bugs but the task is for fun, it shows you can do a lot for yourself. I hope to see how other folks have tackled it. Save the code as varlist.bas and it will analyse itself.

Entry by tsh73

It's got too big to put it on a forum. Actually, I tried to do a tokenizer so it figures out all things including numbers and strings. But after figuring things out it outputs only things that relevant to this task (variables, subs/user functions, labels).
Uses keyword list etc from Rod's entry.

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