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Richard M. Stallman
1992-01-22 04:15:36 +00:00
parent d0fb370f66
commit aa798cc5c1
1 changed files with 39 additions and 0 deletions
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src/machine.h Normal file
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/* Define machine-dependencies for bison,
Copyright (C) 1984, 1989 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
Bison 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.
Bison 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 Bison; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifdef eta10
#define MAXSHORT 2147483647
#define MINSHORT -2147483648
#else
#define MAXSHORT 32767
#define MINSHORT -32768
#endif
#if defined (MSDOS) && !defined (__GO32__)
#define BITS_PER_WORD 16
#define MAXTABLE 16383
#else
#define BITS_PER_WORD 32
#define MAXTABLE 32767
#endif
#define WORDSIZE(n) (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
#define SETBIT(x, i) ((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
#define RESETBIT(x, i) ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
#define BITISSET(x, i) (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)