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Diffstat (limited to 'gnu/usr.bin/perl/perl/stab.h')
| -rw-r--r-- | gnu/usr.bin/perl/perl/stab.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/perl/stab.h b/gnu/usr.bin/perl/perl/stab.h new file mode 100644 index 0000000..7bce082 --- /dev/null +++ b/gnu/usr.bin/perl/perl/stab.h @@ -0,0 +1,145 @@ +/* $RCSfile: stab.h,v $$Revision: 1.1.1.1 $$Date: 1993/08/23 21:29:39 $ + * + * Copyright (c) 1991, Larry Wall + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the README file. + * + * $Log: stab.h,v $ + * Revision 1.1.1.1 1993/08/23 21:29:39 nate + * PERL! + * + * Revision 4.0.1.3 92/06/08 15:33:44 lwall + * patch20: fixed confusion between a *var's real name and its effective name + * patch20: ($<,$>) = ... didn't work on some architectures + * + * Revision 4.0.1.2 91/11/05 18:36:15 lwall + * patch11: length($x) was sometimes wrong for numeric $x + * + * Revision 4.0.1.1 91/06/07 11:56:35 lwall + * patch4: new copyright notice + * patch4: length($`), length($&), length($') now optimized to avoid string copy + * + * Revision 4.0 91/03/20 01:39:49 lwall + * 4.0 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 */ + STAB *stbp_stab; /* effective stab, if *glob */ + 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_stab(stab) (stab->str_magic->str_u.str_stab) +#define stab_estab(stab) (((STBP*)(stab->str_ptr))->stbp_stab) + +#define stab_name(stab) (stab->str_magic->str_ptr) +#define stab_ename(stab) stab_name(stab_estab(stab)) + +#define stab_stash(stab) (stab->str_magic->str_u.str_stash) +#define stab_estash(stab) stab_stash(stab_estab(stab)) + +#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 HAS_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*) + +STRLEN stab_len(); + +#define STAB_STR(s) (tmpstab = (s), stab_flags(tmpstab) & SF_VMAGIC ? stab_str(stab_val(tmpstab)->str_magic) : stab_val(tmpstab)) +#define STAB_LEN(s) (tmpstab = (s), stab_flags(tmpstab) & SF_VMAGIC ? stab_len(stab_val(tmpstab)->str_magic) : str_len(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_UID 0x003 +#define DM_RUID 0x001 +#define DM_EUID 0x002 +#define DM_GID 0x030 +#define DM_RGID 0x010 +#define DM_EGID 0x020 +#define DM_DELAY 0x100 + +STAB *aadd(); +STAB *hadd(); +STAB *fstab(); +void stabset(); +void stab_fullname(); +void stab_efullname(); +void stab_check(); |
