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[Frama-c-discuss] Using results of one plugin in another plugin

On 02/15/2012 01:32 PM, Boris Hollas wrote:
> On Wed, 2012-02-15 at 11:41 +0100, Julien Signoles wrote:
>> in multi-projects mode. You can try to call the following function
>> before computing the AST of the initial project (and thus at least
>> before calling File.create_project_from_visitor).
>>
>> let prepare_jessie () =
>>     Kernel.SimplifyCfg.on ();
>>     Kernel.KeepSwitch.on ();
>>     Kernel.Constfold.on ();
>>     Kernel.PreprocessAnnot.on ();
>>     Cabs2cil.setDoTransformWhile ();
>>     Cabs2cil.setDoAlternateConditional ()
>>
>> Jessie is happy now in simple cases, but I provide no guarantee that it
>> is enough in all situations...
>
> I tried it on a complicated source file and it works.
>
> Jens Gerlach suggested in private mail to use option -then. I tried
> -then -jessie -jessie-atp=gui after calling my plugin, but it didn't
> work as I expected.

Since you implement a visitor by copy which returns a new project, you 
should use option -then-on on this new project. However, calling the 
function "prepare_jessie" before computing the initial AST is still 
required in order to not fall into your previous crash.

Roughly speaking, the option -then-on is the command line counterpart of 
the Frama-C function Project.on which is often better to use than 
Project.set_current.

Hope this helps,
Julien