Hi Andrew,
In my process, I will be maintaining a symbol table of the types that I
discover as well - do you have a specific link to the section of the GCC
docs that you mention?
Take care
John Clayton
-----Original Message-----
From: objc-language-bounces+john.clayton=email@hidden
[mailto:objc-language-bounces+john.clayton=email@hidden] On
Behalf Of Andrew Pinski
Sent: Mittwoch, 25. Januar 2006 15:33
To: John Clayton
Cc: email@hidden
Subject: Re: Parsing type strings of Objective C
>
> Hi All
>
> I have some really basically string parsing to write an equivalent of
> @decode(), which produces simply a human readable textual description
> of the types that have been passed into the parser.
>
> Now I am replacing that 'spike' parser with a more fully functional LL
> parser based on the spirit module contained within the boost
> libraries.
>
> My issue is, there are actually more types to parse than are described
> in the ObjC.pdf (or other source of info about type encodings). E.g.
> sometimes I find 'r' or 'V' in a type expression, and I'm not sure
> what these stand for in terms of types.
>
> Can anyone point me to a reference that goes into more detail about
> the encoded types than the standard Apple docs? If there's nothing
> out there - I've assumed that I will have to dig into the code for
> class-dump / c++filt or gcc (gulp!). :-)
There is some docs in the GCC documention. I just added information on
how to decode "complex" types there. Also the GNU objc runtime has a
decoder for getting the sizeof and alignof for the struct if that is all
you need. I can add a function which gives back a nice string if you
want.
Thanks,
Andrew Pinski
GNU objc runtime maintainer
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