From: Martin DeMello <martindemello@...>
Date: 2007-12-12T17:51:39+09:00
Subject: Re: statically generated call graph

On Dec 12, 2007 1:29 PM, Robert Klemme <shortcutter@googlemail.com> wrote:
>
> On 12.12.2007 08:35, Martin DeMello wrote:
> > Is there anything out there that will statically analyse a ruby
> > project and spit out a call graph? It needn't be 100% complete or
> > accurate, just static (all I could find from google was profilers that
> > spat out call graphs in passing)
>
> I don't think there are any.  The issue is, how do you want to do that?
>   Since you have no type information you cannot generate this graph - or
> the graph will be so large that most branches are never traversed.  For
> example, what do you expect such a tool to output for this:
>
> def f(x) x.to_s end
>
> Basically, since you do not know what x will be you have to put in all
> classes #to_s method etc.  Am I missing something?

Oh - good point :) Didn't think it through enough - I was thinking
more along the lines of determining which methods within a class did
and didn't depend on other methods from that class.

martin