//
// any_op_ch.cpp,v 1.29 2005/12/16 00:25:00 ossama Exp
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    any_op_ch.cpp
//
// = DESCRIPTION
//    Visitor generating code for Any operators for an Interface in the client
//    header.
//
// = AUTHOR
//    Aniruddha Gokhale
//
// ============================================================================

ACE_RCSID (be_visitor_interface,
           any_op_ch,
           "any_op_ch.cpp,v 1.29 2005/12/16 00:25:00 ossama Exp")

// ***************************************************************************
// Interface visitor for generating Any operator declarations in the client header
// ***************************************************************************

be_visitor_interface_any_op_ch::be_visitor_interface_any_op_ch
(be_visitor_context *ctx)
  : be_visitor_interface (ctx)
{
}

be_visitor_interface_any_op_ch::~be_visitor_interface_any_op_ch (void)
{
}

int
be_visitor_interface_any_op_ch::visit_interface (be_interface *node)
{
  if (node->cli_hdr_any_op_gen ()
      || node->imported ()
      || node->is_local ())
    {
      return 0;
    }

  TAO_OutStream *os = this->ctx_->stream ();
  const char *macro = this->ctx_->export_macro ();

  *os << be_nl << be_nl << "// TAO_IDL - Generated from" << be_nl
      << "// " << __FILE__ << ":" << __LINE__ << be_nl << be_nl;

  be_module *module = 0;

  if (node->is_nested () &&
      node->defined_in ()->scope_node_type () == AST_Decl::NT_module)
    {
      module = be_module::narrow_from_scope (node->defined_in ());

      if (!module)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "be_visitor_valuebox_any_op_ch::"
                             "visit_valuebox - "
                             "Error parsing nested name\n"),
                            -1);
        }

      // Some compilers handle "any" operators in a namespace
      // corresponding to their module, others do not.
      *os << "\n\n#if defined (ACE_ANY_OPS_USE_NAMESPACE)\n";

      be_util::gen_nested_namespace_begin (os, module);

      // emit  nested variation of any operators
      *os << macro << " void"
          << " operator<<= ( ::CORBA::Any &, " << node->local_name ()
          << "_ptr); // copying" << be_nl;
      *os << macro << " void"
          << " operator<<= ( ::CORBA::Any &, " << node->local_name ()
          << "_ptr *); // non-copying" << be_nl;
      *os << macro << " ::CORBA::Boolean"
          << " operator>>= (const ::CORBA::Any &, "
          << node->local_name () << "_ptr &);";

      be_util::gen_nested_namespace_end (os, module);

      // emit #else
      *os << "#else\n\n";
    }

  *os << be_global->core_versioning_begin () << be_nl;
  
  *os << macro << " void operator<<= (::CORBA::Any &, " << node->name ()
      << "_ptr); // copying" << be_nl;
  *os << macro << " void operator<<= (::CORBA::Any &, " << node->name ()
      << "_ptr *); // non-copying" << be_nl;
  *os << macro << " ::CORBA::Boolean operator>>= (const ::CORBA::Any &, "
      << node->name () << "_ptr &);";

  *os << be_global->core_versioning_end () << be_nl;

  if (module != 0)
    {
      *os << "\n\n#endif";
    }

  // All we have to do is to visit the scope and generate code.
  if (this->visit_scope (node) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_interface_any_op_ch::"
                         "visit_interface - "
                         "codegen for scope failed\n"),
                        -1);
    }


  node->cli_hdr_any_op_gen (1);
  return 0;
}
