#include <cxxabi.h>
#include <stdio.h>
#include <stdlib.h>

static void demangle(const char *mangled_name)
{
  int status;
  char *demangled_name = abi::__cxa_demangle(mangled_name, NULL, NULL, &status);
  switch (status) {
  case 0:
    printf("%s -> %s\n", mangled_name, demangled_name);
    break;
  case -1:
    printf("error: memory allocation failure while demangling %s\n", mangled_name);
    break;
  case -2:
    printf("error: %s is not a valid C++ mangled name\n", mangled_name);
    break;
  case -3:
    printf("error: invalid argument(s) while demangling %s\n", mangled_name);
    break;
  default:
    printf("error: unknown status %d while demangling %s\n", status, mangled_name);
    break;
  }
  free(demangled_name);
}

int main(int argc, char *argv[])
{
  if (argc <= 1) {
    printf("Usage: %s mangled_name ...\n", argv[0]);
    return 1;
  }
  for (int i = 1; i < argc; ++i) {
    demangle(argv[i]);
  }
  return 0;
}