objc-protocol.c

/* Internal API: protocol utility routines for polar-objc.
   Copyright (C) 2022-2025 Michael Malicoat <[email protected]>
 
   This file is part of polar-objc.
 
   polar-objc is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation; either version 3, or (at your option) any later version.
 
   polar-objc is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
   details.
 
   You should have received a copy of the GNU General Public License along with this program; see the file LICENSE.  If
   not, see <http://www.gnu.org/licenses/>.
*/
 
// Public ==============================================================================================================
 
POLAR_FUNCTION_INTERNAL BOOL
objc_protocol_is_valid( struct objc_protocol *protocol_target, BOOL flag_require_resolved )
{
  if( (id)protocol_target != nil )
    ;
 
  else
    return NO;
 
  if( protocol_target->class_pointer == ProtocolClass )
    return YES;
 
  else if( flag_require_resolved == NO )
    return ( ((struct objc_protocol_static *)protocol_target)->version_protocol == OBJC_VERSION_PROTOCOL );
 
  return NO;
}