[omniORB] Sequence of Sequence causes client compiler errors!!!

[David Morgenlender]

I've defined a method with an output parameter which is a sequence of =
sequences.
Everything builds ok, until I try a call from a client, written in Visual=
 C++
5.0.  This gets a compiler error indicating the parameter has a =
mismatched data
type.  I have similar code, which has a sequence of longs;  this works =
ok.

Here are some excerpts from the code (simplified to only use the relevant
calling parameter):

.IDL
----

  typedef sequence<long> SingleTestResultsList;
  typedef sequence<SingleTestResultsList> TestResultsList;
  void Test(out TestResultsList listTestResults);
=09
.HH
---

  typedef _CORBA_Unbounded_Sequence_w_FixSizeElement<CORBA::Long,4,4>=20
    SingleTestResultsList;
  typedef _CORBA_Sequence_Var<SingleTestResultsList, CORBA::Long >=20
    SingleTestResultsList_var;

  typedef _CORBA_Unbounded_Sequence<
    _CORBA_Unbounded_Sequence_w_FixSizeElement<CORBA::Long,4,4> >=20
    TestResultsList;
  typedef _CORBA_Sequence_Var<TestResultsList,=20
    _CORBA_Unbounded_Sequence_w_FixSizeElement<CORBA::Long,4,4> >=20
    TestResultsList_var;

  virtual void _0RL__Test ( TestResultsList *& listTestResults ) =3D 0;
  void Test ( _CORBA_Sequence_OUT_arg<
    TestResultsList,TestResultsList_var >
    listTestResults )
  {
    _0RL__Test ( listTestResults._data );
  }

  class Tests : public virtual omniObject, public virtual CORBA::Object {
    public:

    typedef _CORBA_Unbounded_Sequence_w_FixSizeElement<CORBA::Long,4,4>=20
      SingleTestResultsList;
    typedef _CORBA_Sequence_Var<SingleTestResultsList, CORBA::Long >=20
      SingleTestResultsList_var;

    typedef _CORBA_Unbounded_Sequence<
      _CORBA_Unbounded_Sequence_w_FixSizeElement<CORBA::Long,4,4> >=20
      TestResultsList;
    typedef _CORBA_Sequence_Var<TestResultsList,=20
      _CORBA_Unbounded_Sequence_w_FixSizeElement<CORBA::Long,4,4> >=20
      TestResultsList_var;

    virtual void _0RL__Test ( TestResultsList *& listTestResults ) =3D 0;
    void Test ( =
_CORBA_Sequence_OUT_arg<TestResultsList,TestResultsList_var > =20
      listTestResults )
    {
      _0RL__Test ( listTestResults._data );
    }

Calling code in client
----------------------

  Tests::TestResultsList seqResults;
=09
  INTERFACE_TESTS->Test(&seqResults);		// also tried without the "&"
 =20
COMPILER ERROR
-------------- =20

error C2664: 'Test' : cannot convert parameter 1 from=20
'class _CORBA_Unbounded_Sequence<
  class _CORBA_Unbounded_Sequence_w_FixSizeElement<long,4,4>> *'=20
to 'class _CORBA_Sequence_OUT_arg<class _CORBA_Unbounded_Sequence<
  class _CORBA_Unbounded_Sequence_w_FixSizeElement<long,4,4>>,
  class _CORBA_Sequence_Var<class _CORBA_Unbounded_Sequence<
  class _CORBA_Unbounded_Sequence_w_FixSizeElement<long,4,4>>,
  class _CORBA_Unbounded_Sequence_w_FixSizeElement<long,4,4>>>'


Any idea what's going on???

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Dave Morgenlender
e-mail: dmorgen@alum.mit.edu
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