[DUG] Expression Parser/Evaluator

Alister Christie alister at salespartner.co.nz
Thu Oct 25 13:42:41 NZDT 2007


You could try Pascal Script
http://www.remobjects.com/page.asp?id={9A30A672-62C8-4131-BA89-EEBBE7E302E6}

Alister Christie
Computers for People
Ph: 04 471 1849 Fax: 04 471 1266
http://www.salespartner.co.nz
PO Box 13085
Johnsonville
Wellington 



David Brennan wrote:
>
> Hi,
>
> Another question in the popular family of “what is the best component 
> suite for X?”…
>
> Can anyone recommend a good expression parser/evaluator? Ideally a bit 
> more than just mathematical expressions, we would like it to handle 
> logical evaluation (ie Booleans), IF statements and ideally strings 
> (primarily for comparison within boolean IF conditions but if the 
> parser/evaluator could handle strings as results then all the better). 
> We don’t need any loop constructs or more advanced program control 
> constructs. We would probably like to be able to define our own 
> expression functions but the user probably doesn’t need to be able to.
>
> Quality (ie reliability), functionality and availability of source 
> code are our main criteria here. Price isn’t going to be so much of an 
> issue unless they are hideously expensive or there are multiple good 
> options to choose between.
>
> Any recommendations? Warnings on what to avoid?
>
> Thanks,
>
> David.
>
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