• via Digitalmars-d-bugs (36/36) Dec 24 2015 https://issues.dlang.org/show_bug.cgi?id=15473

via Digitalmars-d-bugs <digitalmars-d-bugs puremagic.com> writes:

https://issues.dlang.org/show_bug.cgi?id=15473

          Issue ID: 15473
           Summary: C++ mangling problem
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: dmd
          Assignee: nobody puremagic.com
          Reporter: turkeyman gmail.com

C++ produces this symbol:
?asAssocArray Variant ep  QEBA?AU?$SharedMap U?$AVLTree UVariant ep  U12 U?$Compare UVariant ep   2  ep   2 XZ

D produces this symbol:
?asAssocArray Variant ep  QEBA?AU?$SharedMap U?$AVLTree UVariant ep  0U?$Compare UVariant ep   2  ep   2 XZ


The difference is that little 'U12 ' vs '0'. The MS linker de-mangles both
symbols to read identical, so I don't know what it means.


The C declaration:

namespace ep {
struct Variant
{
  ep::SharedMap<ep::AVLTree<ep::Variant, ep::Variant,
ep::Compare<ep::Variant>>> asAssocArray() const;
};
} // namespace


The D declaration:

extern (C++, ep) {
struct Variant
{
  SharedMap!(AVLTree!(Variant, Variant, Compare!Variant)) asAssocArray() const;
}
}


All those things are extern(C++, ep), and they work properly on their own.

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