#if defined(TCL85STACK)

XOTCLINLINE static XOTclObject*
GetSelfObj(Tcl_Interp *interp) {
  register Tcl_CallFrame *varFramePtr = (Tcl_CallFrame *)Tcl_Interp_varFramePtr(interp);
  
  /*fprintf(stderr, "GetSelfObj interp has frame %p and varframe %p\n",
    Tcl_Interp_framePtr(interp),Tcl_Interp_varFramePtr(interp));*/
  for (; varFramePtr; varFramePtr = Tcl_CallFrame_callerPtr(varFramePtr)) {
#if defined(TCL85STACK_TRACE)
    fprintf(stderr, "GetSelfObj check frame %p flags %.6x cd %p objv[0] %s\n",
            varFramePtr, Tcl_CallFrame_isProcCallFrame(varFramePtr), 
            Tcl_CallFrame_clientData(varFramePtr),
            Tcl_CallFrame_objc(varFramePtr) ? ObjStr(Tcl_CallFrame_objv(varFramePtr)[0]) : "(null)");
#endif
    if (Tcl_CallFrame_isProcCallFrame(varFramePtr) & FRAME_IS_XOTCL_OBJECT) {
#if defined(TCL85STACK_TRACE)
      fprintf(stderr, "... self returns %s\n",
              objectName(((XOTclObject*)Tcl_CallFrame_clientData(varFramePtr))));
#endif
      return (XOTclObject *)Tcl_CallFrame_clientData(varFramePtr);
    }
    if (Tcl_CallFrame_isProcCallFrame(varFramePtr) & FRAME_IS_XOTCL_METHOD) {
      XOTclCallStackContent *csc = (XOTclCallStackContent *)Tcl_CallFrame_clientData(varFramePtr);
#if defined(TCL85STACK_TRACE)
      fprintf(stderr, "... self returns %s\n",objectName(csc->self));
#endif
      return csc->self;
    }
  }
  return NULL;
}


static XOTclCallStackContent*
CallStackGetFrame(Tcl_Interp *interp) {
  register Tcl_CallFrame *varFramePtr = (Tcl_CallFrame *)Tcl_Interp_varFramePtr(interp);

  for (; varFramePtr; varFramePtr = Tcl_CallFrame_callerPtr(varFramePtr)) {
# if defined(TCL85STACK_TRACE)
      fprintf(stderr, "... check frame %p flags %.6x cd %p objv[0] %s\n",
              varFramePtr, Tcl_CallFrame_isProcCallFrame(varFramePtr), 
              Tcl_CallFrame_clientData(varFramePtr),
              Tcl_CallFrame_objc(varFramePtr) ? ObjStr(Tcl_CallFrame_objv(varFramePtr)[0]) : "(null)");
# endif
      if (Tcl_CallFrame_isProcCallFrame(varFramePtr) & FRAME_IS_XOTCL_METHOD) {
        return (XOTclCallStackContent *)Tcl_CallFrame_clientData(varFramePtr);
      }
  }
  return NULL;
}

static void 
CallStackClearCmdReferences(Tcl_Interp *interp, Tcl_Command cmd) {
  register Tcl_CallFrame *varFramePtr = (Tcl_CallFrame *)Tcl_Interp_varFramePtr(interp);

  for (; varFramePtr; varFramePtr = Tcl_CallFrame_callerPtr(varFramePtr)) {
    if (Tcl_CallFrame_isProcCallFrame(varFramePtr) & FRAME_IS_XOTCL_METHOD) {
      XOTclCallStackContent *csc = (XOTclCallStackContent *)Tcl_CallFrame_clientData(varFramePtr);
      if (csc->cmdPtr == cmd) {
        csc->cmdPtr = NULL;
      }
    }
  }
}

#endif /* TCL85STACK */