The debugger treats numeric constants the same as C++ does. The enumeration constant identifiers go though the same grammar paths as variable identifiers, which has basically the same effect as the C++ semantics.
constant
: FLOATINGconstant
| INTEGERconstant
| CHARACTERconstant
| WIDECHARACTERconstant
| WIDESTRINGliteral