Re: Introduction

[James Michael DuPont <mdupont777 yahoo com>]

Cyrille,

For this project to fly, I will need to statically
link all the applications together. 

Otherwise there will be to great of a risk to the gcc
being comprimised and I wont get any support from the 
gnu group.

For the Dia interface, xml is ok, but we need to
support some interactivity.

A callback interface  back into emacs is what I am
thinking about.

> Hmmm. Assuming you can retrieve the class
> information from gcc (have you
> done it ? 
Yes, i have. I am using xml and perl. 
This will be replaced by c.

> I've done some stuff in that area, you may
> want to have a quick
> look at the tarball at
> http://www.chepelov.org/cyrille/cplusplus), 
Thats great. I will be looking into it shortly.


> all you
> have next is to build an XML file conforming to the
> dia DTD. You'll probably
> need to zless a couple dia files to figure out the
> exact format used by
> dia's UML stuff.
Sure, that is then next step. 
> One problem you'll have is figuring out the size of
> the "UML class" objects
> so that you can get VCG to lay out things. 
Yes that will be an issue, Maybe I can treat the class
as a subgraph and then all the members will be inside
it. 

> Problem,
> to do that you'll need
> to either load the not-yet-laid-out dia file into
> dia (requires X) so that
> dia computes the bounding boxes, or retrieve the
> font information and
> compute the bounding boxes yourself (very likely to
> require X as well). Or,
> you could make some assumptions on the fonts used
> and the statistical text
> sizes, and make educated guesses on the bounding
> boxes.
So I will have to use Dia as a lib to help do the
layout calculations.

> Assuming you can make something out of the GCC parse
> tree information, and
> you know how to talk to VCG to extract out of it the
> information you want,
> building the dia file should be a piece of cake !

Yes, I have a huge database of sql that I have
converted the core gcc into xml and then sql.
I have written simple vcg and graphviz exports.

> All in all, this looks like a very fun project, and
> it would certainly help
> giving life to a wonderful tool (have it cooperate
> with doxygen to make
> nicer collab graphs, and you'd make my day big time
I was wondering how hard it would be to replace the
parser of doxygen with gcc. 
I have not looked into it (yet)

MIke

=====
James Michael DuPont

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