Re: Is there a tool for visualizing grammar specifications?

Peter J. Farley III wrote:
> Pardon a very newbie question, but is there a public domain tool
> available (besides VCG) that can directly display the structure of a
> grammar from a yacc or ebnf description? The problem with VCG, as far
> as I can see so far, is that one has to write a grammar-to-graph
> translator before one could use it for this application.
>
> I'm particularly interested in such a tool for visually comparing
> different specifications of the same language, so a tool that
> permitted side-by-side or multiple-window comparisons of different
> grammars would be very helpful.
>
> Either Win95 or linux/X11 implementations would be the most useful to
> me, with a preference for Win95 at the moment.
>
> TIA for any help, info or ftp/url pointers you can provide.




Take a look at SIC, The Smalltalk-based Interactive Compiler-compiler:


http://inf2-www.informatik.unibw-muenchen.de/schmitz/sic.html


by Dr. Lothar Schmitz of Munich University:


http://inf2-www.informatik.unibw-muenchen.de/schmitz/lothar.html


The new version:


http://inf2-www.informatik.unibw-muenchen.de/schmitz/sic98.zip


runs above VisualWorks Non-Commercial


http://www.objectshare.com/VWNC/default.htm


I should warn you I'm ruthlessly pushing VisualWorks Non-Commercial on
you...
_______________,,,^..^,,,_______________
Eliot Miranda, ParcPlace division, ObjectShare
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