Re: pre-summit introspection status

Colin Walters wrote:
> On Thu, Oct 9, 2008 at 9:34 PM, Behdad Esfahbod <behdad behdad org> wrote:
>> But most recently I was reading the static analysis literature and came across
>> the idea of using gcc user-attributes for source code annotation.  Take the
>> above example, then one can define:
>> #define G_IR_ARRAY __attribute__((user(g_ir_array)))
>> On the face, it's not much different from what I proposed earlier.  However,
>> it has an immense power: you can use gcc or gcc-compatible frontends.
> Well, using gcc as a parser is problematic
> (

Can't read that right now.  Will try again when it's free.  But Tom Tromey
told me that the gcc plugin patch will land soonish.

> Right now we have a custom parser
> that generally works.  Not that it doesn't have its limitations but it
> would be a lot of work to replace.
>> Moreover, you can write static analyzers that check, for example, that the
>> array is not shorter than its claimed length.  The possibilities are uncountable.
> Well, one could also modify the static analyzer to understand the
> gtk-doc annotations.

Right... Writing yet another frontend with it's own bugs and limitations...
Between gcc and llvm there's room to accommodate everyone...

> I'm not sure - I don't have a strong opinion on
> this.  The plan is to make a decision on at the summit, we'll discuss
> this proposal there.



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