//
// direct_proxy_impl_sh.cpp,v 1.12 2004/12/03 03:26:02 parsons Exp
//

ACE_RCSID (be_visitor_interface,
           direct_proxy_impl_sh,
           "direct_proxy_impl_sh.cpp,v 1.12 2004/12/03 03:26:02 parsons Exp")

be_visitor_interface_direct_proxy_impl_sh::
be_visitor_interface_direct_proxy_impl_sh (be_visitor_context *ctx)
  : be_visitor_interface (ctx)
{
  // No-Op.
}

be_visitor_interface_direct_proxy_impl_sh::
~be_visitor_interface_direct_proxy_impl_sh (void)
{
  // No-Op.
}

int
be_visitor_interface_direct_proxy_impl_sh::visit_interface (
    be_interface *node
  )
{
  TAO_OutStream *os = this->ctx_->stream ();

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

  *os << be_nl << be_nl
      << "///////////////////////////////////////////////////////////////////////"
      << be_nl
      << "//                    Direct  Impl. Declaration" << be_nl
      << "//" << be_nl << be_nl;

  // Generate Class Declaration.
  *os << "class " << be_global->skel_export_macro ()
      << " " << node->direct_proxy_impl_name ();

  idl_bool first_concrete = I_TRUE;

  if (node->n_inherits () > 0)
    {
      AST_Interface *parent = 0;

      for (int i = 0; i < node->n_inherits (); ++i)
        {
          parent = node->inherits ()[i];

          if (parent->is_abstract ())
            {
              continue;
            }

          be_interface *inherited =
            be_interface::narrow_from_decl (parent);

          if (first_concrete)
            {
              *os << be_nl 
                  << "  : " << be_idt << be_idt;
            }
          else
            {
	            *os << "," << be_nl;
            }

          first_concrete = I_FALSE;

          *os << "public virtual ::" 
              << inherited->full_direct_proxy_impl_name ();
        }

      *os << be_uidt << be_uidt;
    }

  *os << be_nl
      << "{" << be_nl << "public:" << be_idt_nl;

  // Ctor
  *os << node->direct_proxy_impl_name () << " (void);" << be_nl << be_nl;

  // Dtor
  *os << "virtual ~" << node->direct_proxy_impl_name () << " (void) {}";

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

  // Generate static collocated operations for operations of our base
  // classes.
  int status =
    node->traverse_inheritance_graph (
              be_interface::gen_colloc_op_decl_helper,
              os
            );

  if (status == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "be_visitor_interface_direct_proxy_impl_sh::"
                         "visit_interface - "
                         "inheritance graph traversal failed\n"),
                        -1);
    }

  *os << be_uidt_nl
      << "};" << be_nl << be_nl
      << "//" << be_nl
      << "//                Direct  Proxy Impl. Declaration" << be_nl
      << "///////////////////////////////////////////////////////////////////////"
      << be_nl << be_nl;

  return 0;
}

int
be_visitor_interface_direct_proxy_impl_sh::gen_abstract_ops_helper (
    be_interface *node,
    be_interface *base,
    TAO_OutStream *os
  )
{
  if (!base->is_abstract ())
    {
      return 0;
    }

  AST_Decl *d = 0;
  be_visitor_context ctx;
  ctx.stream (os);
  ctx.state (TAO_CodeGen::TAO_INTERFACE_DIRECT_PROXY_IMPL_SH);

  for (UTL_ScopeActiveIterator si (base, UTL_Scope::IK_decls);
       !si.is_done ();
       si.next ())
    {
      d = si.item ();

      if (d == 0)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_interface_thru_poa_proxy_"
                             "impl_sh::gen_abstract_ops_helper - "
                             "bad node in this scope\n"),
                            -1);
        }

      UTL_ScopedName item_new_name (d->local_name (),
                                    0);

          // We pass the node's is_abstract flag to the operation
          // constructor so we will get the right generated operation
          // body if we are regenerating an operation from an
          // abstract interface in a concrete interface or component.
      if (d->node_type () == AST_Decl::NT_op)
        {
          AST_Operation *op = AST_Operation::narrow_from_decl (d);
          be_operation new_op (op->return_type (),
                               op->flags (),
                               &item_new_name,
                               op->is_local (),
                               node->is_abstract ());
          new_op.set_defined_in (node);
          be_visitor_interface::add_abstract_op_args (op,
                                                      new_op);
          be_visitor_operation_proxy_impl_xh op_visitor (&ctx);
          op_visitor.visit_operation (&new_op);
        }
      else if (d->node_type () == AST_Decl::NT_attr)
        {
          AST_Attribute *attr = AST_Attribute::narrow_from_decl (d);
          be_attribute new_attr (attr->readonly (),
                                 attr->field_type (),
                                 &item_new_name,
                                 attr->is_local (),
                                 attr->is_abstract ());
          new_attr.set_defined_in (node);
          new_attr.be_add_get_exceptions (attr->get_get_exceptions ());
          new_attr.be_add_set_exceptions (attr->get_set_exceptions ());
          be_visitor_attribute attr_visitor (&ctx);
          attr_visitor.visit_attribute (&new_attr);
          ctx.attribute (0);
        }
    }

  return 0;
}

int be_visitor_interface_direct_proxy_impl_sh::visit_component (
    be_component *node
  )
{
  return this->visit_interface (node);
}
