Re: VCG visualization

[Aaron Jackson]

On Apr 26, 2008, at 7:27 AM, Derek M Jones wrote:

> Paulo,
>
> > > > I am on a Mac and I would like to know if anybody has any  
> > > > suggestion
> > > > on a free software to visualize vcg files resulting from bison  
> > > > output
> > > > or convert them to a bitmap file.
> > >  I find graphviz useful for this kind of thing
> > >  http://www.graphviz.org/
> > Hello Derek,
> > I do know and use graphviz regularly for my graph work but I thought
> > it only worked with the dot format. Is there a way to convert VCG to
> > dot or is there a way to open VCG natively which I am not aware of?
>
> It has always struck me that it ought to be possible to write an
> awk script to create a workable translation, but I have never tried
> to write one.
>
> There do seem to be some tools out there (never tried any of them)
> http://rw4.cs.uni-sb.de/~sander/html/gsvcg1.html

I found yaccviso http://lo-res.org/~aaron/yaccviso/ .  It looks  
directly at the .y file and generates a dot file.  It won't compile  
on your mac without a small change:

---------------------8<---------------------------------------------
--- malloc.h.orig       2008-04-26 15:43:45.000000000 -0400
+++ malloc.h    2008-04-26 15:44:00.000000000 -0400
@@ -26,7 +26,7 @@
  * descr.:
  */

-#include <malloc.h>
+#include <stdlib.h>
 #include "global.h"

 typedef struct memmap memmap;
-----------------------8<-------------------------------------------

Aaron