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/* Define constants and variables for communication with the parser.
Copyright (C) 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2000 Free Software Foundation, Inc.
Hacked by Michael Tiemann (tiemann@cygnus.com)
and by Brendan Kehoe (brendan@cygnus.com).
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 2, 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 COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifndef GCC_CP_LEX_H
#define GCC_CP_LEX_H
#if 0
/* Formerly, the RID_* values used as mask bits did not fit into a
single 32-bit word. Now they do, but let's preserve the old logic
in case they ever stop fitting again. -zw, 8 Aug 2000 */
/* The type that can represent all values of RIDBIT. */
/* We assume that we can stick in at least 32 bits into this. */
typedef struct { unsigned long idata[2]; }
RID_BIT_TYPE;
/* Be careful, all these modify N twice. */
#define RIDBIT_SETP(N, V) (((unsigned long)1 << (int) ((N)%32)) \
& (V).idata[(N)/32])
#define RIDBIT_NOTSETP(NN, VV) (! RIDBIT_SETP (NN, VV))
#define RIDBIT_SET(N, V) do { \
(V).idata[(N)/32] \
|= ((unsigned long)1 << (int) ((N)%32)); \
} while (0)
#define RIDBIT_RESET(N, V) do { \
(V).idata[(N)/32] \
&= ~((unsigned long)1 << (int) ((N)%32)); \
} while (0)
#define RIDBIT_RESET_ALL(V) do { \
(V).idata[0] = 0; \
(V).idata[1] = 0; \
} while (0)
#define RIDBIT_ANY_SET(V) ((V).idata[0] || (V).idata[1])
#else
typedef unsigned long RID_BIT_TYPE; /* assumed at least 32 bits */
#define RIDBIT_OF(R) ((unsigned long)1 << (int) (R))
#define RIDBIT_SETP(N, V) ((V) & RIDBIT_OF (N))
#define RIDBIT_NOTSETP(N, V) (! ((V) & RIDBIT_OF (N)))
#define RIDBIT_ANY_SET(V) (V)
#define RIDBIT_SET(N, V) do { (V) |= RIDBIT_OF (N); } while (0)
#define RIDBIT_RESET(N, V) do { (V) &= ~RIDBIT_OF (N); } while (0)
#define RIDBIT_RESET_ALL(V) do { (V) = 0; } while (0)
#endif
#endif /* ! GCC_CP_LEX_H */
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