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// -*- C++ -*-

//=============================================================================
/**
 *  @file  alias_typecode.cpp
 *
 *  Alias (typedef) TypeCode generation visitor.
 *
 *  @author  Ossama Othman <ossama@dre.vanderbilt.edu>
 */
//=============================================================================

#include "typecode.h"

TAO::be_visitor_alias_typecode::be_visitor_alias_typecode (
  be_visitor_context * ctx)
  : be_visitor_typecode_defn (ctx)
{
}

int
TAO::be_visitor_alias_typecode::visit_typedef (be_typedef * node)
{
  be_type * const base = dynamic_cast<be_type*> (node->base_type ());


  return this->common (node, base, "tk_alias");

}


int
TAO::be_visitor_alias_typecode::visit_valuebox (be_valuebox * node)
{
  be_type * const base = dynamic_cast<be_type*> (node->boxed_type ());

  return this->common (node, base, "tk_value_box");
}

int
TAO::be_visitor_alias_typecode::common (be_type * node,
                                        be_type * base,
                                        const char * tctype)
{
  TAO_OutStream & os = *this->ctx_->stream ();

  TAO_INSERT_COMMENT (&os);

  this->ctx_->sub_state (TAO_CodeGen::TAO_TC_DEFN_TYPECODE_NESTED);

  // Generate typecode for the base type, being careful to avoid doing
  // so for a typedef since that could recursively cause multiple base
  // type TypeCode definitions to be generated.
  if (!base || (base->node_type () != AST_Decl::NT_typedef
                && base->accept (this) == -1))
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         ACE_TEXT ("(%N:%l) be_visitor_alias_typecode")
                         ACE_TEXT ("::common) - ")
                         ACE_TEXT ("failed to generate base typecode\n")),
                        -1);
    }

  // Generate the alias TypeCode instantiation.
  os
    << "static TAO::TypeCode::Alias<char const *," << be_nl
    << "                            ::CORBA::TypeCode_ptr const *," << be_nl
    << "                            TAO::Null_RefCount_Policy>"
    << be_idt_nl
    << "_tao_tc_" << node->flat_name () << " (" << be_idt_nl
    << "::CORBA::" << tctype << "," << be_nl
    << "\"" << node->repoID () << "\"," << be_nl
    << "\"" << node->original_local_name () << "\"," << be_nl
    << "&";

  if (this->gen_base_typecode_name (base) != 0)
    ACE_ERROR_RETURN ((LM_ERROR,
                       ACE_TEXT ("(%N:%l) be_visitor_alias_typecode::")
                       ACE_TEXT ("common - problem generating base ")
                       ACE_TEXT ("TypeCode name.\n")),
                       -1);


  os << ");" << be_uidt_nl
     << be_uidt_nl;

  if (this->gen_typecode_ptr (node) != 0)
    return -1;

  return 0;
}