// $Id$

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    be_root.cpp
//
// = DESCRIPTION
//    Extension of class AST_Root that provides additional means for C++
//    mapping.
//
// = AUTHOR
//    Copyright 1994-1995 by Sun Microsystems, Inc.
//    and
//    Aniruddha Gokhale
//
// ============================================================================

#include "be_root.h"
#include "be_visitor.h"
#include "ast_sequence.h"
#include "ast_string.h"
#include "ast_array.h"

ACE_RCSID (be, 
           be_root, 
           "$Id$")

// Default Constructor.
be_root::be_root (void)
  : COMMON_Base (),
    AST_Decl (),
    UTL_Scope (),
    AST_Root (),
    be_scope (),
    be_decl ()
{
}

// Constructor used to build the root of the abstract syntax tree (AST).
be_root::be_root (UTL_ScopedName *n)
  : COMMON_Base (),
    AST_Decl (AST_Decl::NT_root,
              n),
    UTL_Scope (AST_Decl::NT_root),
    AST_Module (n),
    AST_Root (n),
    be_scope (AST_Decl::NT_root),
    be_decl (AST_Decl::NT_root,
             n)
{
}

// We had to provide these since the AST_Root::fe_* method was setting the
// names of these three to "local type".

// Add this AST_Sequence to the locally defined types in this scope.
AST_Sequence *
be_root::fe_add_sequence (AST_Sequence *t)
{
  if (t == 0)
    {
      return 0;
    }

  add_to_local_types (t);
  return t;
}

// Add this AST_String to the locally defined types in this scope
AST_String *
be_root::fe_add_string (AST_String *t)
{
  if (t == 0)
    {
      return 0;
    }

  add_to_local_types (t);
  return t;
}

// Add this AST_Array to the locally defined types in this scope
AST_Array *
be_root::fe_add_array (AST_Array *t)
{
  if (t == 0)
    {
      return 0;
    }

  add_to_local_types (t);
  return t;
}

void
be_root::destroy (void)
{
  // Call the destroy methods of our base classes.
  
// The scope of the root is handled specially, since we may
// be processing multiple IDL files and we want to keep
// the predefined types around until we are all done.
//  be_scope::destroy ();
//  be_decl::destroy ();

  AST_Root::destroy ();
}

int
be_root::accept (be_visitor *visitor)
{
  return visitor->visit_root (this);
}

// Narrowing methods
IMPL_NARROW_METHODS3 (be_root, AST_Root, be_scope, be_decl)
IMPL_NARROW_FROM_DECL (be_root)
IMPL_NARROW_FROM_SCOPE (be_root)