clang/test/SemaCXX/ms-iunknown-template-function.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -fms-extensions %s
   2 // expected-no-diagnostics
   3 typedef long HRESULT;
   4 typedef unsigned long ULONG;
   5 typedef struct _GUID {
   6   unsigned long Data1;
   7   unsigned short Data2;
   8   unsigned short Data3;
   9   unsigned char Data4[8];
  10 } GUID;
  11 typedef GUID IID;
  12
  13 // remove stdcall, since the warnings have nothing to do with
  14 // what is being tested.
  15 #define __stdcall
  16
  17 extern "C" {
  18 extern "C++" {
  19 struct __declspec(uuid("00000000-0000-0000-C000-000000000046"))
  20     IUnknown {
  21 public:
  22   virtual HRESULT __stdcall QueryInterface(
  23       const IID &riid,
  24       void **ppvObject) = 0;
  25
  26   virtual ULONG __stdcall AddRef(void) = 0;
  27
  28   virtual ULONG __stdcall Release(void) = 0;
  29
  30   template <class Q>
  31   HRESULT __stdcall QueryInterface(Q **pp) {
  32     return QueryInterface(__uuidof(Q), (void **)pp);
  33   }
  34 };
  35 }
  36 }
  37
  38 __interface ISfFileIOPropertyPage : public IUnknown{};
  39