/*

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Copyright 1992, 1993, 1994 Sun Microsystems, Inc.  Printed in the United
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This product is protected by copyright and distributed under the following
license restricting its use.

The Interface Definition Language Compiler Front End (CFE) is made
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notice on all media and documentation and the software program in which
this product is incorporated in whole or part. You may copy and extend
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This license is effective until terminated by Sun for failure to comply
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and documentation for the Interface Definition Language CFE.

INTERFACE DEFINITION LANGUAGE CFE IS PROVIDED AS IS WITH NO WARRANTIES OF
ANY KIND INCLUDING THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS
FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, OR ARISING FROM A COURSE OF
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INTERFACE DEFINITION LANGUAGE CFE IS PROVIDED WITH NO SUPPORT AND WITHOUT
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 */

/*
 * ast_intf_fwd.cc - Implementation of class AST_InterfaceFwd
 *
 * AST_InterfaceFwd nodes denote forward declarations of IDL interfaces
 * AST_InterfaceFwd nodes have a field containing the full declaration
 * of the interface, which is initialized when that declaration is
 * encountered.
 */

#include	<idl.hh>
#include	<idl_extern.hh>

/*
 * Constructor(s) and destructor
 */
AST_InterfaceFwd::AST_InterfaceFwd()
		: pd_full_definition(NULL)
{
}

AST_InterfaceFwd::AST_InterfaceFwd(UTL_ScopedName *n, UTL_StrList *p)
		 : AST_Decl(AST_Decl::NT_interface_fwd, n, p)
{
  /*
   * Create a dummy placeholder for the forward declared interface. This
   * interface node is not yet defined (n_inherits < 0), so some operations
   * will fail
   */
  pd_full_definition = idl_global->gen()->create_interface(n, NULL, -1, p);
  /*
   * Record the node in a list to be checked after the entire AST has been
   * parsed. All nodes in the list must have n_inherits >= 0, else this
   * indicates that a full definition was not seen for this forward
   * delcared interface
   */
  AST_record_fwd_interface(this);
}

/*
 * Private operations
 */

/*
 * Public operations
 */

/*
 * Redefinition of inherited virtual operations
 */

/*
 * Dump this AST_InterfaceFwd node to the ostream o
 */
void
AST_InterfaceFwd::dump(ostream &o)
{
  o << "interface ";
  local_name()->dump(o);
}

/*
 * Data accessors
 */

AST_Interface	*
AST_InterfaceFwd::full_definition()
{
  return pd_full_definition;
}

void
AST_InterfaceFwd::set_full_definition(AST_Interface *nfd)
{
  pd_full_definition = nfd;
}    

/*
 * Narrowing methods 
 */
IMPL_NARROW_METHODS1(AST_InterfaceFwd, AST_Type)
IMPL_NARROW_FROM_DECL(AST_InterfaceFwd)
