[p5sagit/p5-mst-13.2.git] / stab.h

/* $Header: stab.h,v 3.0.1.3 90/08/09 05:18:42 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 3.0.1.3  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 */
    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_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;
    char	*filename;
    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();
Commit	Line	Data
e929a76b	1	/* $Header: stab.h,v 3.0.1.3 90/08/09 05:18:42 lwall Locked $
a687059c	2	*
	3	* Copyright (c) 1989, Larry Wall
	4	*
	5	* You may distribute under the terms of the GNU General Public License
	6	* as specified in the README file that comes with the perl 3.0 kit.
8d063cd8	7	*
8d063cd8	8	* $Log: stab.h,v $
e929a76b	9	* Revision 3.0.1.3 90/08/09 05:18:42 lwall
	10	* patch19: Added support for linked-in C subroutines
	11	*
79a0689e	12	* Revision 3.0.1.2 90/03/12 17:00:43 lwall
	13	* patch13: did some ndir straightening up for Xenix
	14	*
663a0e37	15	* Revision 3.0.1.1 89/12/21 20:19:53 lwall
	16	* patch7: in stab.h, added some CRIPPLED_CC support for Microport
	17	*
a687059c	18	* Revision 3.0 89/10/18 15:23:30 lwall
a687059c	19	* 3.0 baseline
8d063cd8	20	*
	21	*/
	22
a687059c	23	struct stabptrs {
	24	char stbp_magic[4];
	25	STR stbp_val; / scalar value */
	26	struct stio stbp_io; / filehandle value */
	27	FCMD stbp_form; / format value */
	28	ARRAY stbp_array; / array value */
	29	HASH stbp_hash; / associative array value */
	30	SUBR stbp_sub; / subroutine value */
	31	int stbp_lastexpr; /* used by nothing_in_common() */
	32	line_t stbp_line; /* line first declared at (for -w) */
	33	char stbp_flags;
8d063cd8	34	};
8d063cd8	35
663a0e37	36	#if defined(CRIPPLED_CC) && (defined(iAPX286) \|\| defined(M_I286) \|\| defined(I80286))
	37	#define MICROPORT
	38	#endif
	39
a687059c	40	#define stab_magic(stab) (((STBP*)(stab->str_ptr))->stbp_magic)
	41	#define stab_val(stab) (((STBP*)(stab->str_ptr))->stbp_val)
	42	#define stab_io(stab) (((STBP*)(stab->str_ptr))->stbp_io)
	43	#define stab_form(stab) (((STBP*)(stab->str_ptr))->stbp_form)
	44	#define stab_xarray(stab) (((STBP*)(stab->str_ptr))->stbp_array)
663a0e37	45	#ifdef MICROPORT /* Microport 2.4 hack */
	46	ARRAY *stab_array();
	47	#else
a687059c	48	#define stab_array(stab) (((STBP*)(stab->str_ptr))->stbp_array ? \
	49	((STBP*)(stab->str_ptr))->stbp_array : \
	50	((STBP*)(aadd(stab)->str_ptr))->stbp_array)
663a0e37	51	#endif
a687059c	52	#define stab_xhash(stab) (((STBP*)(stab->str_ptr))->stbp_hash)
663a0e37	53	#ifdef MICROPORT /* Microport 2.4 hack */
	54	HASH *stab_hash();
	55	#else
a687059c	56	#define stab_hash(stab) (((STBP*)(stab->str_ptr))->stbp_hash ? \
	57	((STBP*)(stab->str_ptr))->stbp_hash : \
	58	((STBP*)(hadd(stab)->str_ptr))->stbp_hash)
663a0e37	59	#endif /* Microport 2.4 hack */
a687059c	60	#define stab_sub(stab) (((STBP*)(stab->str_ptr))->stbp_sub)
	61	#define stab_lastexpr(stab) (((STBP*)(stab->str_ptr))->stbp_lastexpr)
	62	#define stab_line(stab) (((STBP*)(stab->str_ptr))->stbp_line)
	63	#define stab_flags(stab) (((STBP*)(stab->str_ptr))->stbp_flags)
	64	#define stab_name(stab) (stab->str_magic->str_ptr)
	65
8d063cd8	66	#define SF_VMAGIC 1 /* call routine to dereference STR val */
378cc40b	67	#define SF_MULTI 2 /* seen more than once */
8d063cd8	68
8d063cd8	69	struct stio {
a687059c	70	FILE ifp; / ifp and ofp are normally the same */
a687059c	71	FILE ofp; / but sockets need separate streams */
79a0689e	72	#ifdef READDIR
a687059c	73	DIR dirp; / for opendir, readdir, etc */
	74	#endif
	75	long lines; /* $. */
	76	long page; /* $% */
	77	long page_len; /* $= */
	78	long lines_left; /* $- */
	79	char top_name; / $^ */
	80	STAB top_stab; / $^ */
	81	char fmt_name; / $~ */
	82	STAB fmt_stab; / $~ */
	83	short subprocess; /* -\| or \|- */
8d063cd8	84	char type;
	85	char flags;
	86	};
	87
	88	#define IOF_ARGV 1 /* this fp iterates over ARGV */
	89	#define IOF_START 2 /* check for null ARGV and substitute '-' */
	90	#define IOF_FLUSH 4 /* this fp wants a flush after write op */
	91
378cc40b	92	struct sub {
378cc40b	93	CMD *cmd;
e929a76b	94	int (*usersub)();
e929a76b	95	int userindex;
378cc40b	96	char *filename;
	97	long depth; /* >= 2 indicates recursive call */
	98	ARRAY *tosave;
	99	};
	100
8d063cd8	101	#define Nullstab Null(STAB*)
8d063cd8	102
a687059c	103	#define STAB_STR(s) (tmpstab = (s), stab_flags(tmpstab) & SF_VMAGIC ? stab_str(stab_val(tmpstab)->str_magic) : stab_val(tmpstab))
	104	#define STAB_GET(s) (tmpstab = (s), str_get(stab_flags(tmpstab) & SF_VMAGIC ? stab_str(tmpstab->str_magic) : stab_val(tmpstab)))
	105	#define STAB_GNUM(s) (tmpstab = (s), str_gnum(stab_flags(tmpstab) & SF_VMAGIC ? stab_str(tmpstab->str_magic) : stab_val(tmpstab)))
8d063cd8	106
	107	EXT STAB *tmpstab;
	108
	109	EXT STAB *stab_index[128];
	110
378cc40b	111	EXT unsigned short statusvalue;
8d063cd8	112
a687059c	113	EXT int delaymagic INIT(0);
	114	#define DM_DELAY 1
	115	#define DM_REUID 2
	116	#define DM_REGID 4
	117
8d063cd8	118	STAB *aadd();
8d063cd8	119	STAB *hadd();