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/* $Header: stab.h,v 3.0.1.4 90/10/16 10:33:08 lwall Locked $
*
* Copyright (c) 1989, Larry Wall
*
* You may distribute under the terms of the GNU General Public License
* as specified in the README file that comes with the perl 3.0 kit.
*
* $Log: stab.h,v $
* Revision 3.0.1.4 90/10/16 10:33:08 lwall
* patch29: *foo now prints as *package'foo
* patch29: package behavior is now more consistent
*
* Revision 3.0.1.3 90/08/09 05:18:42 lwall
* patch19: Added support for linked-in C subroutines
*
* Revision 3.0.1.2 90/03/12 17:00:43 lwall
* patch13: did some ndir straightening up for Xenix
*
* Revision 3.0.1.1 89/12/21 20:19:53 lwall
* patch7: in stab.h, added some CRIPPLED_CC support for Microport
*
* Revision 3.0 89/10/18 15:23:30 lwall
* 3.0 baseline
*
*/
struct stabptrs {
char stbp_magic[4];
STR *stbp_val; /* scalar value */
struct stio *stbp_io; /* filehandle value */
FCMD *stbp_form; /* format value */
ARRAY *stbp_array; /* array value */
HASH *stbp_hash; /* associative array value */
HASH *stbp_stash; /* symbol table for this stab */
SUBR *stbp_sub; /* subroutine value */
int stbp_lastexpr; /* used by nothing_in_common() */
line_t stbp_line; /* line first declared at (for -w) */
char stbp_flags;
};
#if defined(CRIPPLED_CC) && (defined(iAPX286) || defined(M_I286) || defined(I80286))
#define MICROPORT
#endif
#define stab_magic(stab) (((STBP*)(stab->str_ptr))->stbp_magic)
#define stab_val(stab) (((STBP*)(stab->str_ptr))->stbp_val)
#define stab_io(stab) (((STBP*)(stab->str_ptr))->stbp_io)
#define stab_form(stab) (((STBP*)(stab->str_ptr))->stbp_form)
#define stab_xarray(stab) (((STBP*)(stab->str_ptr))->stbp_array)
#ifdef MICROPORT /* Microport 2.4 hack */
ARRAY *stab_array();
#else
#define stab_array(stab) (((STBP*)(stab->str_ptr))->stbp_array ? \
((STBP*)(stab->str_ptr))->stbp_array : \
((STBP*)(aadd(stab)->str_ptr))->stbp_array)
#endif
#define stab_xhash(stab) (((STBP*)(stab->str_ptr))->stbp_hash)
#ifdef MICROPORT /* Microport 2.4 hack */
HASH *stab_hash();
#else
#define stab_hash(stab) (((STBP*)(stab->str_ptr))->stbp_hash ? \
((STBP*)(stab->str_ptr))->stbp_hash : \
((STBP*)(hadd(stab)->str_ptr))->stbp_hash)
#endif /* Microport 2.4 hack */
#define stab_stash(stab) (((STBP*)(stab->str_ptr))->stbp_stash)
#define stab_sub(stab) (((STBP*)(stab->str_ptr))->stbp_sub)
#define stab_lastexpr(stab) (((STBP*)(stab->str_ptr))->stbp_lastexpr)
#define stab_line(stab) (((STBP*)(stab->str_ptr))->stbp_line)
#define stab_flags(stab) (((STBP*)(stab->str_ptr))->stbp_flags)
#define stab_name(stab) (stab->str_magic->str_ptr)
#define SF_VMAGIC 1 /* call routine to dereference STR val */
#define SF_MULTI 2 /* seen more than once */
struct stio {
FILE *ifp; /* ifp and ofp are normally the same */
FILE *ofp; /* but sockets need separate streams */
#ifdef READDIR
DIR *dirp; /* for opendir, readdir, etc */
#endif
long lines; /* $. */
long page; /* $% */
long page_len; /* $= */
long lines_left; /* $- */
char *top_name; /* $^ */
STAB *top_stab; /* $^ */
char *fmt_name; /* $~ */
STAB *fmt_stab; /* $~ */
short subprocess; /* -| or |- */
char type;
char flags;
};
#define IOF_ARGV 1 /* this fp iterates over ARGV */
#define IOF_START 2 /* check for null ARGV and substitute '-' */
#define IOF_FLUSH 4 /* this fp wants a flush after write op */
struct sub {
CMD *cmd;
int (*usersub)();
int userindex;
STAB *filestab;
long depth; /* >= 2 indicates recursive call */
ARRAY *tosave;
};
#define Nullstab Null(STAB*)
#define STAB_STR(s) (tmpstab = (s), stab_flags(tmpstab) & SF_VMAGIC ? stab_str(stab_val(tmpstab)->str_magic) : stab_val(tmpstab))
#define STAB_GET(s) (tmpstab = (s), str_get(stab_flags(tmpstab) & SF_VMAGIC ? stab_str(tmpstab->str_magic) : stab_val(tmpstab)))
#define STAB_GNUM(s) (tmpstab = (s), str_gnum(stab_flags(tmpstab) & SF_VMAGIC ? stab_str(tmpstab->str_magic) : stab_val(tmpstab)))
EXT STAB *tmpstab;
EXT STAB *stab_index[128];
EXT unsigned short statusvalue;
EXT int delaymagic INIT(0);
#define DM_DELAY 1
#define DM_REUID 2
#define DM_REGID 4
STAB *aadd();
STAB *hadd();
STAB *fstab();
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