//
// cdr_op_ch.cpp,v 1.16 2006/02/02 21:11:00 ossama Exp
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    cdr_op_ch.cpp
//
// = DESCRIPTION
//    Concrete visitor for valuetypes.
//    This one provides code generation for the CDR operators.
//
// = AUTHOR
//    Torsten Kuepper  <kuepper2@lfa.uni-wuppertal.de>
//    based on code from Aniruddha Gokhale
//
// ============================================================================

ACE_RCSID (be_visitor_valuetype, 
           cdr_op_ch, 
           "cdr_op_ch.cpp,v 1.16 2006/02/02 21:11:00 ossama Exp")

be_visitor_valuetype_cdr_op_ch::be_visitor_valuetype_cdr_op_ch (
    be_visitor_context *ctx
  )
  : be_visitor_valuetype (ctx)
{
}

be_visitor_valuetype_cdr_op_ch::~be_visitor_valuetype_cdr_op_ch (void)
{
}

int
be_visitor_valuetype_cdr_op_ch::visit_valuetype (be_valuetype *node)
{
  if (node->imported ()
      || node->cli_hdr_cdr_op_gen ())
    {
      return 0;
    }

  TAO_OutStream *os = this->ctx_->stream ();

  // Generate helper functions declaration.
  if (node->gen_helper_header () == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                       "(%N:%l) be_visitor_valuetype_cdr_op_ch::"
                         "visit_valuetype - "
                         "codegen for helper functions failed\n"), 
                        -1);
    }

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

  *os << be_global->core_versioning_begin () << be_nl;
  
  *os << be_global->stub_export_macro () << " "
      << "::CORBA::Boolean operator<< (TAO_OutputCDR &, const "
      << node->full_name () << " *);" << be_nl;

  *os << be_global->stub_export_macro () << " "
      << "::CORBA::Boolean operator>> (TAO_InputCDR &, "
      << node->full_name () << " *&);";

  *os << be_global->core_versioning_end () << be_nl;
  
  // Set the substate as generating code for the types defined in our scope.
  this->ctx_->sub_state (TAO_CodeGen::TAO_CDR_SCOPE);

  if (this->visit_scope (node) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_cdr_op_ch::"
                         "visit_valuetype - "
                         "codegen for scope failed\n"), 
                        -1);
    }

  if (!node->is_abstract ())
    {
      // Functions that marshal state.
      be_visitor_context new_ctx (*this->ctx_);
      be_visitor_valuetype_marshal_ch visitor (&new_ctx);
      visitor.visit_valuetype (node);
    }

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

int
be_visitor_valuetype_cdr_op_ch::visit_eventtype (be_eventtype *node)
{
  return this->visit_valuetype (node);
}


