git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| f5adbb8d | 1 | /* Define constants and variables for communication with the parser. |
| d6a8bdff | 2 | Copyright (C) 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
| 43c6a96a | 3 | 2000, 2001, 2002, 2003 Free Software Foundation, Inc. |
| 8d08fdba MS |
4 | Hacked by Michael Tiemann (tiemann@cygnus.com) |
| 5 | and by Brendan Kehoe (brendan@cygnus.com). | |
| 6 | ||
| f5adbb8d SB |
7 | This file is part of GCC. |
| 8 | ||
| 9 | GCC is free software; you can redistribute it and/or modify it | |
| 10 | under the terms of the GNU General Public License as published by | |
| 11 | the Free Software Foundation; either version 2, or (at your option) | |
| 12 | any later version. | |
| 13 | ||
| 14 | GCC is distributed in the hope that it will be useful, but | |
| 15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 | General Public License for more details. | |
| 18 | ||
| 19 | You should have received a copy of the GNU General Public License | |
| 20 | along with GCC; see the file COPYING. If not, write to the Free | |
| 21 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
| 22 | 02111-1307, USA. */ | |
| 23 | ||
| 8d08fdba | 24 | |
| 88657302 RH |
25 | #ifndef GCC_CP_LEX_H |
| 26 | #define GCC_CP_LEX_H | |
| 0e5921e8 ZW |
27 | |
| 28 | #if 0 | |
| 29 | /* Formerly, the RID_* values used as mask bits did not fit into a | |
| 30 | single 32-bit word. Now they do, but let's preserve the old logic | |
| 31 | in case they ever stop fitting again. -zw, 8 Aug 2000 */ | |
| 8d08fdba | 32 | |
| 8d08fdba | 33 | /* The type that can represent all values of RIDBIT. */ |
| e92cc029 | 34 | /* We assume that we can stick in at least 32 bits into this. */ |
| 8d08fdba MS |
35 | typedef struct { unsigned long idata[2]; } |
| 36 | RID_BIT_TYPE; | |
| 37 | ||
| e92cc029 | 38 | /* Be careful, all these modify N twice. */ |
| 8d08fdba MS |
39 | #define RIDBIT_SETP(N, V) (((unsigned long)1 << (int) ((N)%32)) \ |
| 40 | & (V).idata[(N)/32]) | |
| 41 | #define RIDBIT_NOTSETP(NN, VV) (! RIDBIT_SETP (NN, VV)) | |
| 42 | #define RIDBIT_SET(N, V) do { \ | |
| 43 | (V).idata[(N)/32] \ | |
| 44 | |= ((unsigned long)1 << (int) ((N)%32)); \ | |
| 45 | } while (0) | |
| 46 | #define RIDBIT_RESET(N, V) do { \ | |
| 47 | (V).idata[(N)/32] \ | |
| 48 | &= ~((unsigned long)1 << (int) ((N)%32)); \ | |
| 49 | } while (0) | |
| 50 | #define RIDBIT_RESET_ALL(V) do { \ | |
| 51 | (V).idata[0] = 0; \ | |
| 52 | (V).idata[1] = 0; \ | |
| 53 | } while (0) | |
| 54 | #define RIDBIT_ANY_SET(V) ((V).idata[0] || (V).idata[1]) | |
| 0e5921e8 ZW |
55 | #else |
| 56 | typedef unsigned long RID_BIT_TYPE; /* assumed at least 32 bits */ | |
| 57 | #define RIDBIT_OF(R) ((unsigned long)1 << (int) (R)) | |
| 58 | ||
| 59 | #define RIDBIT_SETP(N, V) ((V) & RIDBIT_OF (N)) | |
| 60 | #define RIDBIT_NOTSETP(N, V) (! ((V) & RIDBIT_OF (N))) | |
| 61 | #define RIDBIT_ANY_SET(V) (V) | |
| 62 | ||
| 63 | #define RIDBIT_SET(N, V) do { (V) |= RIDBIT_OF (N); } while (0) | |
| 64 | #define RIDBIT_RESET(N, V) do { (V) &= ~RIDBIT_OF (N); } while (0) | |
| 65 | #define RIDBIT_RESET_ALL(V) do { (V) = 0; } while (0) | |
| 66 | #endif | |
| 8d08fdba | 67 | |
| 88657302 | 68 | #endif /* ! GCC_CP_LEX_H */ |