[cfe-dev] Pointer Arithmetic
snaroff at apple.com
Thu Jul 12 07:17:07 PDT 2007
+ // How does one find the size of a QualType, or the llvm::Type it
+ // corresponds to?
Currently, clang::BuiltinType is the only type that knows it's size
Eventually, getSize() will be implemented by clang::Type (the root of
the type hierarchy).
The main "gotcha" (with implementing it in Type) is struct layout
(which is none trivial and target specific).
On Jul 12, 2007, at 2:25 AM, Keith Bauer wrote:
> I've been working on pointer arithmetic. Attached is a patch which
> seems to correctly implement (pointer + int), (int + pointer) and
> (pointer - int). (pointer - pointer) doesn't seem to be possible
> within the infrastructure that exists, though I'd like confirmation of
> this. See my comments in the patch.
> Obviously, since this is my first effort, I'd like comments on what
> I've done well and what I've (inevitably) done poorly. I'm not really
> sure of the design or coding conventions of the project.
> Also, there's no test-cases. I haven't figured out how they're
> supposed to work yet.
> cfe-dev mailing list
> cfe-dev at cs.uiuc.edu
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