free function to pretty-print the class name of an object. Moved here from fvectortest.cc

[[Imported from SVN: r6239]]

dune/common/Makefile.am

@@ -22,6 +22,7 @@ commoninclude_HEADERS = 			\
 	bigunsignedint.hh			\
 	binaryfunctions.hh			\
 	bitsetvector.hh				\
+	classname.hh				\
 	collectivecommunication.hh		\
 	configparser.hh				\
 	debugstream.hh				\

dune/common/classname.hh

+// -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+// vi: set et ts=4 sw=2 sts=2:
+#ifndef DUNE_CLASSNAME_HH
+#define DUNE_CLASSNAME_HH
+
+/** \file
+ * \brief A free function to provide the demangled class name
+ *        of a given object as a string
+ */
+
+#ifdef __GNUC__
+#include <cxxabi.h>
+#endif
+
+namespace Dune {
+
+  /** \brief Provide the demangled class name of a given object as a string */
+  template <class T>
+  std::string className(T &t)
+  {
+#ifdef __GNUC__
+    int status;
+    return abi::__cxa_demangle(typeid(t).name(),0,0,&status);
+#else
+    return typeid(t).name();
+#endif
+  };
+
+}
+#endif  // DUNE_CLASSNAME_HH