[cfe-dev] accessing template arguments from libclang

[Anthony Scopatz]

Great news Geoff!


On Fri, Nov 1, 2013 at 2:37 PM, Geoffrey Irving <irving at naml.us> wrote:

> Okay, I've diagnosed the problem:
>
>
> https://github.com/llvm-mirror/clang/blob/c6911a2b1fc176e4d6053ed86506c17c3d8b0057/tools/libclang/CIndex.cpp#L670
>
> Patch coming up.
>
> Geoffrey
>
> On Thu, Oct 31, 2013 at 10:23 PM, Anthony Scopatz <scopatz at gmail.com>
> wrote:
> > Hello All,
> >
> > Any guidance that you can provide would be most beneficial since we
> really
> > need this feature for the xdress project.  Thanks!
> >
> > Be Well
> > Anthony
> >
> >
> >> Another ping for this message: let me know if this is the wrong forum
> >> for questions about libclang.
> >> Geoffrey
> >> On Thu, Aug 15, 2013 at 10:36 AM, Geoffrey Irving <irving at naml.us>
> >> wrote:
> >> > In case the previous email was too long, here's a quick summary:
> >> >
> >> > I am trying to parse the code
> >> >
> >> >
> >> > class Toaster : Base<int,7> { ... };
> >> >
> >> > I can get to the base specifier corresponding to Base<int,7> and from
> >> > there
> >> > to a RECORD type, but there appears to be no way to access the
> template
> >> > arguments of a template reference from either the Python or C bindings
> >> > to
> >> > clang. If I'm correct that this isn't exposed yet, what's the right
> way
> >> > to
> >> > do it?
> >> >
> >> > Thanks,
> >> > Geoffrey
> >> >
> >> >
> >> > On Tue, Aug 13, 2013 at 12:26 PM, Geoffrey Irving <irving at naml.us>
> >> > wrote:
> >> >>
> >> >> I am trying to parse the following code with the Python interface to
> >> >> libclang (full listing attached):
> >> >>
> >> >> class Toaster : Base<int,7> { ... };
> >> >>
> >> >> Unfortunately, traversing cursors via getChildren gives me the
> >> >> following
> >> >> tree (see clang_dump() in autodescribe.py for the code that generated
> >> >> this
> >> >> tree):
> >> >>
> >> >> CLASS_DECL Toaster
> >> >> CXX_BASE_SPECIFIER None : Base<int,7>
> >> >> TEMPLATE_REF None : Base
> >> >> INTEGER_LITERAL None : 7
> >> >> CXX_ACCESS_SPEC_DECL PUBLIC : public:
> >> >> ...
> >> >>
> >> >> The base specifier only seems to mention "Base" and "7", not "int".
> >> >> Should I be able to fully inspect Base<int,7> using cursors?
> >> >>
> >> >> I also tried traversing the Type object corresponding to Base<int,7>,
> >> >> but
> >> >> I don't see any methods for accessing template parameters either in
> >> >> libclang's Python bindings or in the original C. If I'm correct that
> >> >> the
> >> >> functionality is missing from the C layer, what's the easiest way to
> >> >> add it?
> >> >> The C++ structure of template references seems quite complicated (I
> >> >> imagine
> >> >> by necessity :)).
> >> >>
> >> >> Background: I'm working on a clang-based front end for the xdress
> >> >> Python
> >> >> binding generator project. I've already made a couple minor
> >> >> improvements to
> >> >> the libclang Python bindings (exposing formatDiagnostic and the
> details
> >> >> of
> >> >> access specifiers), and am happy to contribute these back once I'm
> >> >> done.
> >> >>
> >> >> Thanks for any suggestions!
> >> >> Geoffrey
> >
> >
> > _______________________________________________
> > cfe-dev mailing list
> > cfe-dev at cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
> >
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-dev/attachments/20131103/ec0cca80/attachment.html>