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[Frama-c-discuss] [Values] patch to access the several states attached to a statement

  • Subject: [Frama-c-discuss] [Values] patch to access the several states attached to a statement
  • From: Pascal.CUOQ at (CUOQ Pascal)
  • Date: Tue, 14 Jul 2009 09:31:26 +0200
  • References: <1247465927.3378.26.camel@residence.localdomain><><> <1247542240.3378.266.camel@residence.localdomain>

> However, since the code was identical in Lithium and actually worked, I
> wasn't sure it was the proper way to fix this.

Oops. I was the culprit then.
There was a technical limitation in Lithium 
(or a limitation in my understanding, anyway)
such that it wasn't possible to insert a hook
only if a certain option was set. Instead,
what was easy to do was to systematically insert
a hook that only did something if the
option was set. It was slightly less elegant,
but it worked.

This was fixed in Beryllium, and a consequence
is that while in Lithium 
"Db.Value.Record_Value_Callbacks" always returned
"true" because there was a hook that was called
everytime and everytime tested if the
option "-calldeps" was set, now it works properly
and may return false.