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[Frama-c-discuss] Modifying the AST to insert statements / declarations

  • Subject: [Frama-c-discuss] Modifying the AST to insert statements / declarations
  • From: Pierre.Karpman at rennes.supelec.fr (Pierre Karpman)
  • Date: Mon, 19 Mar 2012 13:36:54 +0100
> 2012/3/16 Virgile Prevosto<virgile.prevosto at m4x.org  <http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/frama-c-discuss>>:
> >/
> />/  The attached script contains a very basic visitor that generates a new
> /
> Oops, I forgot that since the visitor adds some statement, It'd be
> better to recompute the cfg afterwards. The issue does not show up
> when printing the code, but doing a real analysis (e.g. -val) would
> result in a lot of trouble if the cfg is not correct. Attached is a
> correct version. Sorry for the noise.
>
> -- 
> E tutto per oggi, a la prossima volta
> Virgile

Hello,

I'm using your script as a basis for the instrumentation code in my 
plugin but it appears that it's not possible to call any functions of 
the "File" module from inside a dynamic plugin (although there's no 
problems opening the module itself)?!
I found no reference to such a restriction in the module documentation 
or in the plugin development guide, so is it possible that the issue 
comes from some misconfiguration of mine?

Anyway, I replaced the call to "File.create_project_from_visitor" by one 
to "Project.create_by_copy" and it seems to work all right, but I'm not 
quite sure there's no difference between the two?

Cheers,
Pierre
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