icuSources/common/utypeinfo.h

   1 /*
   2 ******************************************************************************
   3 *
   4 *   Copyright (C) 2012-2016, International Business Machines
   5 *   Corporation and others.  All Rights Reserved.
   6 *
   7 ******************************************************************************
   8 */
   9
  10 #ifndef __UTYPEINFO_H__
  11 #define __UTYPEINFO_H__
  12
  13 // Windows header <typeinfo> does not define 'exception' in 'std' namespace.
  14 // Therefore, a project using ICU cannot be compiled with _HAS_EXCEPTIONS
  15 // set to 0 on Windows with Visual Studio. To work around that, we have to
  16 // include <exception> explicitly and add using statement below.
  17 // Whenever 'typeid' is used, this header has to be included
  18 // instead of <typeinfo>.
  19 // Visual Studio 10 emits warning 4275 with this change. If you compile
  20 // with exception disabled, you have to suppress warning 4275.
  21 #if defined(_MSC_VER) && _HAS_EXCEPTIONS == 0
  22 #include <exception>
  23 using std::exception;
  24 #endif
  25 #if !defined(_MSC_VER)
  26 namespace std { class type_info; } // WORKAROUND: http://llvm.org/bugs/show_bug.cgi?id=13364
  27 #endif
  28 #include <typeinfo>  // for 'typeid' to work
  29
  30 #endif