Demangle.hpp

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#ifndef _DEMANGLE_HPP
#define _DEMANGLE_HPP

/// \file Demangle.hpp
///
/// \brief Demangle symbols using abi

#if __has_include(<cxxabi.h>)

 #include <cxxabi.h>

 /// Declares demanglability
 #define CAN_DEMANGLE

#endif

#include <utility/String.hpp>

namespace SUNphi
{
  /// Demangle a string
  ///
  /// If the compiler has no abi functionality, the original string is
  /// returned.
  template <typename T>                 // Type of the demangling object
  std::string demangle(const T& what) ///< What to demangle
  {

#ifdef CAN_DEMANGLE

    /// Returned status of demangle
    int status;

    /// Demangled
    char* name=
      abi::__cxa_demangle(cString(what),0,0,&status);

    /// Copy the result
    std::string out=
      (status==0)?
      name:
      what+" (failed demangle)";

    // Free if succeded
    if(status==0)
      free(name);

    return
      out;

#else

    return
      "(unable to demangle)";

#endif

  }
}

#endif