- add debugging code to memory allocation

= atom to number: cleanup function name as this is more than just supporting SWI
- SrcMask only applies to rules.
- add auxiliary type/error function
- fix typos
- fix enumeration mode in current_flag
- get rid of TrueName routines, use AbsoluteFileName instead.
- detail synatx error source

C/load_aix.c

@@ -69,7 +69,7 @@ LoadForeign(StringList ofiles, StringList libs,
     strcpy(LOCAL_ErrorSay," Load Failed: in AIX you must load a single object file");
     return LOAD_FAILLED;
   }
-  if (!Yap_TrueFileName(AtomName(ofiles->name), LOCAL_FileNameBuf, TRUE)) {
+  if (!Yap_AbsoluteFileInBuffer(AtomName(ofiles->name), LOCAL_FileNameBuf, YAP_FILENAME_MAX, true)) {
     strcpy(LOCAL_ErrorSay, " Trying to open unexisting file in LoadForeign ");
     return LOAD_FAILLED;
   }