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[Frama-c-discuss] pointer to interrupt
- Subject: [Frama-c-discuss] pointer to interrupt
- From: jean-marc.harang at c-s.fr (Jean-Marc Harang)
- Date: Tue, 02 Nov 2010 18:04:07 +0100
- In-reply-to: <AANLkTikoeBjrxxKz__CFkfbaMN32Wo-NZwfesPQVWWUn@mail.gmail.com>
- References: <4CC933FD.firstname.lastname@example.org> <AANLkTikoeBjrxxKz__CFkfbaMN32Wo-NZwfesPQVWWUn@mail.gmail.com>
Le 28/10/2010 10:36, Pascal Cuoq a ?crit : > Bonjour, > > On Thu, Oct 28, 2010 at 10:27 AM, Jean-Marc Harang > <jean-marc.harang at c-s.fr> wrote: > >> I got an error "[kernel] user error: syntax error" after the preprocess of >> a header file with value analysis with the following declaration : >> >> typedef interrupt void (*SYS_T_PINT) (void); >> >> This declaration is used after for a interrupt vector array... I know it's >> very low level but it's a classic feature for embedded software. >> > Function pointers are supported by the front-end of Frama-C. > Individual plug-ins may support them or not at their convenience. For > the value analysis, it's easy to support them so so they are. For > Jessie and its design-by-contract philosophy, additional features > would be required in the specification language to express the > contract expected of a function pointer (I think). > > >> In this case, what is the best way to solve / avoid the problem ? >> > If the target code only uses the keyword 'interrupt" as in the example > you gave, use: > > #define interrupt > > This makes the typedef a valid, standard C definition of a function > pointer type SYS_T_PINT. > > Thanks ! It's working. I used the same method for some special other keywords if the keyword is unknown. best regards, -- jean-marc Harang
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