]> git.saurik.com Git - bison.git/blame - src/machine.h
* src/bison.s1: Properly indent the `alloca' CPP section.
[bison.git] / src / machine.h
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1/* Define machine-dependencies for bison,
2 Copyright (C) 1984, 1989 Free Software Foundation, Inc.
3
4This file is part of Bison, the GNU Compiler Compiler.
5
6Bison is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11Bison is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with Bison; see the file COPYING. If not, write to
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18the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19Boston, MA 02111-1307, USA. */
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20
21#ifdef eta10
22#define MAXSHORT 2147483647
23#define MINSHORT -2147483648
24#else
25#define MAXSHORT 32767
26#define MINSHORT -32768
27#endif
28
29#if defined (MSDOS) && !defined (__GO32__)
30#define BITS_PER_WORD 16
31#define MAXTABLE 16383
32#else
33#define BITS_PER_WORD 32
34#define MAXTABLE 32767
35#endif
36
37#define WORDSIZE(n) (((n) + BITS_PER_WORD - 1) / BITS_PER_WORD)
38#define SETBIT(x, i) ((x)[(i)/BITS_PER_WORD] |= (1<<((i) % BITS_PER_WORD)))
39#define RESETBIT(x, i) ((x)[(i)/BITS_PER_WORD] &= ~(1<<((i) % BITS_PER_WORD)))
40#define BITISSET(x, i) (((x)[(i)/BITS_PER_WORD] & (1<<((i) % BITS_PER_WORD))) != 0)