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* src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):

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New macros.
* src/files.c (open_files): Less dependency on MSDOS etc.
This commit is contained in:
Akim Demaille
2000-12-19 12:18:45 +00:00
parent bfb0787482
commit 7de3329eea
3 changed files with 62 additions and 57 deletions
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77
src/system.h
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@@ -126,32 +126,6 @@ extern int errno;
#endif /* BISON_SYSTEM_H */
/*---------------------------------.
| Machine-dependencies for Bison. |
`---------------------------------*/
#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)
/*-----------.
| Booleans. |
`-----------*/
@@ -194,3 +168,54 @@ do { \
sprintf (buf, Format, Arg1, Arg2, Arg3); \
obstack_grow (Obs, buf, strlen (buf)); \
} while (0)
/*---------------------------------.
| Machine-dependencies for Bison. |
`---------------------------------*/
#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)
/* Extensions to use for the output files. */
#ifdef VMS
/* VMS. */
# define EXT_TAB "_tab"
# define EXT_OUTPUT ".output"
# define EXT_STYPE_H "_stype.h"
# define EXT_GUARD_C "_guard.c"
#else /* ! VMS */
# ifdef MSDOS
/* MS DOS. */
# define EXT_TAB "_tab"
# define EXT_OUTPUT ".out"
# define EXT_STYPE_H ".sth"
# define EXT_GUARD_C ".guc"
# else /* ! MSDOS */
/* Standard. */
# define EXT_TAB ".tab"
# define EXT_OUTPUT ".output"
# define EXT_STYPE_H ".stype.h"
# define EXT_GUARD_C ".guard.c"
# endif /* ! MSDOS */
#endif /* ! VMS */