[LLVMbugs] [Bug 18133] New: [Windows] __uuidof support

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Dec 4 05:45:31 PST 2013


            Bug ID: 18133
           Summary: [Windows] __uuidof support
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows XP
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: forderud at gmail.com
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 11664
  --> http://llvm.org/bugs/attachment.cgi?id=11664&action=edit
Code to reproduce

It seems like there is no support for the "__uuidof" operator in clang.
This operator is heavily used in conjunction to COM on Windows.

Attempting to build a small Direct3D example code (attached) with "clang -v
test.cpp -o test.exe" yields the following error:
test.cpp:8:37: error: cannot yet mangle expression type CXXUuidofExpr
_COM_SMARTPTR_TYPEDEF(ID3D10Device, __uuidof(ID3D10Device));
c:\Program Files (x86)\Microsoft Visual Studio
      expanded from macro '_COM_SMARTPTR_TYPEDEF'
    typedef _COM_SMARTPTR<_COM_SMARTPTR_LEVEL2<Interface, &IID> > \

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