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[Frama-c-discuss] jessie - struct as parameter to logic functions

  • Subject: [Frama-c-discuss] jessie - struct as parameter to logic functions
  • From: kerstin.hartig at first.fraunhofer.de (Kerstin Hartig)
  • Date: Wed, 9 Jun 2010 13:30:14 +0200
Hello,

using the new Boron version of Frama-C I found a change to the Beryllium2
version I would like to ask about.
Below a simplified example.

typedef struct Test{
  int a;
} Test;

/*@ predicate test_a{L}(Test test) =
      (test.a == 0) || (test.a == 1);
 */

Trying to run Jessie on it returns:
failure: Jessie plugin does not support struct or union as parameter to
logic functions. Please use a pointer instead.

In Beryllium it was possible to have structs as a parameter in a predicate
like this.

Even though using pointers instead works, I wonder if there is a reason why
this has changed?

Kind Regards,
Kerstin