Actual source code: demangle.cxx

  1: #define PETSC_SKIP_COMPLEX
  2: #include <petscsys.h>

  4: #if defined(PETSC_HAVE_CXXABI_H)
  5:   #include <cxxabi.h>
  6: #endif

  8: PetscErrorCode PetscDemangleSymbol(const char mangledName[], char **name)
  9: {
 10:   PetscFunctionBegin;
 11: #if defined(PETSC_HAVE_CXXABI_H)
 12:   char *newname;
 13:   int   status;

 15:   newname = __cxxabiv1::__cxa_demangle(mangledName, NULL, NULL, &status);
 16:   if (status) {
 17:     PetscCheck(status != -1, PETSC_COMM_SELF, PETSC_ERR_MEM, "Failed to allocate memory for symbol %s", mangledName);
 18:     if (status == -2) {
 19:       /* Mangled name is not a valid name under the C++ ABI mangling rules */
 20:       PetscCall(PetscStrallocpy(mangledName, name));
 21:       PetscFunctionReturn(PETSC_SUCCESS);
 22:     } else SETERRQ(PETSC_COMM_SELF, PETSC_ERR_LIB, "Demangling failed for symbol %s", mangledName);
 23:   }
 24:   PetscCall(PetscStrallocpy(newname, name));
 25:   free(newname);
 26: #else
 27:   PetscCall(PetscStrallocpy(mangledName, name));
 28: #endif
 29:   PetscFunctionReturn(PETSC_SUCCESS);
 30: }