[cfe-dev] Question about class names

[Reid Kleckner]

The C++ name mangler already knows how to compute a unique string per
class.  If you want a pretty string, probably the best way to get that is
to mangle a string and then demangle it.


On Wed, Nov 6, 2013 at 3:34 AM, Jesper Eskilson <jesper.eskilson at iar.com>wrote:

>
> Hi,
>
> I'm trying to find a way to construct a string which uniquely identify a
> class such that different template instantiations yields a different
> string. Say thay I have a class template A:
>
> template<class T> class A;
> A *a = new A<int>();
>
> then if I start from the CXXConstructExpr:
>
> ctorExpr->getConstructor()->getQualifiedNameAsString()
>
> it will get be "A<int>::A".
>
> But say that I have another class B which inherits from A:
>
> class B : public A<int> {
> };
>
> B *b = new B;
>
> How do I find out how A is templatized? Ideally I would like to get out a
> string such as "A<int>", but the closest I get is to do
>
> CXXBaseSpecifier base = ;
> base.getType()->getAsCXXRecordDecl()->getQualifiedNameAsString();
>
> but this will only give me "A". How do I find out the template parameters
> used when instantiating A?
>
> --
> *Jesper Eskilson* /Development Engineer/
> IAR Systems AB
> Box 23051, Strandbodgatan 1
> SE-750 23 Uppsala, SWEDEN
> E-mail: jesper.eskilson at iar.com <mailto:jesper.eskilson at iar.com>
> Website: www.iar.com
> <http://www.iar.com> Twitter: www.twitter.com/iarsystems
> <http://www.twitter.com/iarsystems>
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