gcc/testsuite/objc-obj-c++-shared/nsconstantstring-class-impl.h

/* A small NSConstantString implementation for use with the NeXT runtime.
   Copyright (C) 2011 Free Software Foundation, Inc.
		     
   Contributed by Iain Sandoe <iains@gcc.gnu.org>

This file is part of GCC.

GCC 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.

GCC 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 GCC; see the file COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */

#ifdef __NEXT_RUNTIME__

#include "nsconstantstring-class.h"
#include <string.h>

/* On full-fledged Mac OS X systems, NSConstantString is provided
   as part of the Foundation framework.  However, on bare Darwin systems,
   Foundation is not included, and hence there is no NSConstantString 
   implementation to link against.

   This code is derived from the GNU runtime's NXConstantString implementation.
*/

@implementation NSConstantString
/* NeXT requires this or forward:  */
+initialize { return self; }

-(const char *) cString
{
  return (c_string);
}

-(unsigned int) length
{
  return (len);
}
@end

TNS_STRING_REF_T _NSConstantStringClassReference;

/* The NSConstantString metaclass will need to be initialized before we can
   send messages to strings.  */

void objc_constant_string_init (void) __attribute__((constructor));
void objc_constant_string_init (void) {
  memcpy (&_NSConstantStringClassReference,
	  objc_getClass ("NSConstantString"),
	  sizeof (_NSConstantStringClassReference));
}
#endif