TAO/TAO_IDL/be/be_visitor_argument/argument.cpp


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//
// $Id$
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    argument.cpp
//
// = DESCRIPTION
//    generic visitor for Argument node
//
// = AUTHOR
//    Aniruddha Gokhale
//
// ============================================================================

ACE_RCSID (be_visitor_argument, 
           argument, 
           "$Id$")

be_visitor_args::be_visitor_args (be_visitor_context *ctx)
  : be_visitor_decl (ctx),
    fixed_direction_ (-1)
{
}

be_visitor_args::~be_visitor_args (void)
{
}

int be_visitor_args::visit_argument (be_argument *)
{
  return -1;
}

// helper that returns the type name either as a nested type name (for header
// files) or as a fully scoped name. In addition, we make sure that if the type
// is an alias, we use that name
const char *
be_visitor_args::type_name (be_type *node,
                            const char *suffix)
{
  static char namebuf [NAMEBUFSIZE];
  ACE_OS::memset (namebuf, 
                  '\0', 
                  NAMEBUFSIZE);

  be_type *bt;

  // Use the typedefed name if that is the one used in the IDL defn.
  if (this->ctx_->alias ())
    {
      bt = this->ctx_->alias ();
    }
  else
    {
      bt = node;
    }

  ACE_OS::sprintf (namebuf,
                   "::%s",
                   bt->full_name ());

  if (suffix)
    {
      ACE_OS::strcat (namebuf,
                      suffix);
    }

  return namebuf;
}

// helper that returns the direction type of the argument
AST_Argument::Direction
be_visitor_args::direction (void)
{
  if (this->fixed_direction_ != -1)
    {
      return AST_Argument::Direction (this->fixed_direction_);
    }

  // grab the argument node. We know that our context has stored the right
  // argument node
  be_argument *arg = this->ctx_->be_node_as_argument ();

  ACE_ASSERT (arg != 0);
  return arg->direction ();
}

void
be_visitor_args::set_fixed_direction (AST_Argument::Direction direction)
{
  this->fixed_direction_ = direction;
}