[Haskell-cafe] ANNOUNCE: SourceGraph-

Ivan Lazar Miljenovic ivan.miljenovic at gmail.com
Fri Jan 8 09:29:41 EST 2010

I realised soon after I sent the announcement email that there was a bug
in one of the new "subtle" features that I didn't list, namely the
background shading of directories in import visualisation.  As such,
SourceGraph contains this fix.

There were also two other features in that I forgot to mention:

* SourceGraph will (well, should; I haven't managed to come across a
  situation where it occurs anyway) no longer throw a fit if Graphviz
  throws an error when visualising a graph; instead it will just put an
  error message into the generated report.

* The generated Dot code is also saved in the SourceGraph/graphs/
  subdirectory, so you can tweak the call graphs of your programs.

Ivan Lazar Miljenovic <ivan.miljenovic at gmail.com> writes:

> I'm pleased to announce the latest releases of SourceGraph [1] and
> Graphalyze [2].
> [1]: http://hackage.haskell.org/package/SourceGraph
> [2]: http://hackage.haskell.org/package/Graphalyze
> SourceGraph is a program that performs static code analysis on Haskell
> projects on the by applying graph theoretic techniques to the project's
> call graph.  Graphalyze is a library for analysing discrete data using
> graph theory, and as such performs the heavy lifting for SourceGraph.
> Sample analysis reports generated by SourceGraph are available at
> http://code.haskell.org/~ivanm/Sample_SourceGraph/SampleReports.html .
> I will also be demoing SourceGraph at PEPM [3] in Madrid on 19 January.
> [3]: http://www.program-transformation.org/PEPM10/
> Changes since the previous version include:
> * Now supports "implicitly exported" entities (as requested by Curt
>   Sampson).  This includes instantiated class methods from other
>   modules and functions, etc. that start with an underscore (see
>   http://www.haskell.org/ghc/docs/latest/html/users_guide/options-sanity.html
>   for more information).
> * All inaccessible entities are now reported, not just those that were
>   root nodes in the call graph.
> * Edges are now colour-coded based upon whether they are part of a
>   clique, cycle or a chain.
> * Level-based analyses: visualise how deep an entity is from those
>   exported entities.
> * A re-done TODO that lists in detail what is planned for SourceGraph.
> * Lots of under-the-hood changes that don't sound as interesting as the
>   above :-(

Ivan Lazar Miljenovic
Ivan.Miljenovic at gmail.com

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