3 * Copyright (c) 1987-1997, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
15 * This file is being used for x2p stuff.
16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
17 * Decouple x2p stuff from some of perls more extreme eccentricities.
25 #endif /* PERL_FOR_X2P */
34 # define stringify_immed(s) #s
35 # define stringify(s) stringify_immed(s)
36 register struct op *op asm(stringify(OP_IN_REGISTER));
41 * STMT_START { statements; } STMT_END;
42 * can be used as a single statement, as in
43 * if (x) STMT_START { ... } STMT_END; else ...
45 * Trying to select a version that gives no warnings...
47 #if !(defined(STMT_START) && defined(STMT_END))
48 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
49 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
52 /* Now which other defined()s do we need here ??? */
53 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
54 # define STMT_START if (1)
55 # define STMT_END else (void)0
57 # define STMT_START do
58 # define STMT_END while (0)
65 #define WITH_THR(s) do { dTHR; s; } while (0)
71 typedef pthread_mutex_t perl_mutex;
72 typedef pthread_cond_t perl_cond;
73 typedef pthread_key_t perl_key;
74 #endif /* FAKE_THREADS */
75 #endif /* USE_THREADS */
78 * SOFT_CAST can be used for args to prototyped functions to retain some
79 * type checking; it only casts if the compiler does not know prototypes.
81 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
82 #define SOFT_CAST(type)
84 #define SOFT_CAST(type) (type)
88 # define BYTEORDER 0x1234
91 /* Overall memory policy? */
97 * The following contortions are brought to you on behalf of all the
98 * standards, semi-standards, de facto standards, not-so-de-facto standards
99 * of the world, as well as all the other botches anyone ever thought of.
100 * The basic theory is that if we work hard enough here, the rest of the
101 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
104 /* define this once if either system, instead of cluttering up the src */
105 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
109 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
110 # define STANDARD_C 1
113 #if defined(__cplusplus) || defined(WIN32)
114 # define DONT_DECLARE_STD 1
117 #if defined(HASVOLATILE) || defined(STANDARD_C)
119 # define VOL // to temporarily suppress warnings
121 # define VOL volatile
127 #define TAINT (tainted = TRUE)
128 #define TAINT_NOT (tainted = FALSE)
129 #define TAINT_IF(c) if (c) { tainted = TRUE; }
130 #define TAINT_ENV() if (tainting) { taint_env(); }
131 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
133 /* XXX All process group stuff is handled in pp_sys.c. Should these
134 defines move there? If so, I could simplify this a lot. --AD 9/96.
136 /* Process group stuff changed from traditional BSD to POSIX.
137 perlfunc.pod documents the traditional BSD-style syntax, so we'll
138 try to preserve that, if possible.
141 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
143 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
144 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
146 # ifdef HAS_SETPGRP2 /* DG/UX */
147 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
151 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
152 # define HAS_SETPGRP /* Well, effectively it does . . . */
155 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
156 our life easier :-) so we'll try it.
159 # define BSD_GETPGRP(pid) getpgid((pid))
161 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
162 # define BSD_GETPGRP(pid) getpgrp((pid))
164 # ifdef HAS_GETPGRP2 /* DG/UX */
165 # define BSD_GETPGRP(pid) getpgrp2((pid))
169 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
170 # define HAS_GETPGRP /* Well, effectively it does . . . */
173 /* These are not exact synonyms, since setpgrp() and getpgrp() may
174 have different behaviors, but perl.h used to define USE_BSDPGRP
175 (prior to 5.003_05) so some extension might depend on it.
177 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
183 #ifndef _TYPES_ /* If types.h defines this it's easy. */
184 # ifndef major /* Does everyone's types.h define this? */
185 # include <sys/types.h>
199 # include <varargs.h>
205 #ifdef USE_NEXT_CTYPE
207 #if NX_CURRENT_COMPILER_RELEASE >= 400
208 #include <objc/NXCType.h>
209 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
210 #include <appkit/NXCType.h>
211 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
213 #else /* !USE_NEXT_CTYPE */
215 #endif /* USE_NEXT_CTYPE */
217 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
225 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
227 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
228 && defined(HAS_STRXFRM)
229 # define USE_LOCALE_COLLATE
231 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
232 # define USE_LOCALE_CTYPE
234 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
235 # define USE_LOCALE_NUMERIC
237 #endif /* !NO_LOCALE && HAS_SETLOCALE */
242 # ifdef PARAM_NEEDS_TYPES
243 # include <sys/types.h>
245 # include <sys/param.h>
249 /* Use all the "standard" definitions? */
250 #if defined(STANDARD_C) && defined(I_STDLIB)
254 /* This comes after <stdlib.h> so we don't try to change the standard
255 * library prototypes; we'll use our own in proto.h instead. */
260 # define malloc Mymalloc
261 # define calloc Mycalloc
262 # define realloc Myremalloc
265 # ifdef EMBEDMYMALLOC
266 # define malloc Perl_malloc
267 # define calloc Perl_calloc
268 # define realloc Perl_realloc
269 # define free Perl_free
276 # define safemalloc malloc
277 # define safecalloc calloc
278 # define saferealloc realloc
279 # define safefree free
281 #endif /* MYMALLOC */
283 #define MEM_SIZE Size_t
285 #if defined(STANDARD_C) && defined(I_STDDEF)
287 # define STRUCT_OFFSET(s,m) offsetof(s,m)
289 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
292 #if defined(I_STRING) || defined(__cplusplus)
295 # include <strings.h>
298 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
300 #define strrchr rindex
308 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
310 extern char * memcpy _((char*, char*, int));
316 # define memcpy(d,s,l) bcopy(s,d,l)
318 # define memcpy(d,s,l) my_bcopy(s,d,l)
321 #endif /* HAS_MEMCPY */
324 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
326 extern char *memset _((char*, int, int));
330 # define memset(d,c,l) my_memset(d,c,l)
331 #endif /* HAS_MEMSET */
333 #if !defined(HAS_MEMMOVE) && !defined(memmove)
334 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
335 # define memmove(d,s,l) bcopy(s,d,l)
337 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
338 # define memmove(d,s,l) memcpy(d,s,l)
340 # define memmove(d,s,l) my_bcopy(s,d,l)
345 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
349 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
350 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
352 extern int memcmp _((char*, char*, int));
356 # pragma function(memcmp)
360 # define memcmp my_memcmp
362 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
366 # define memzero(d,l) memset(d,0,l)
369 # define memzero(d,l) bzero(d,l)
371 # define memzero(d,l) my_bzero(d,l)
378 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
380 #endif /* !HAS_BCMP */
383 # include <netinet/in.h>
387 #include <sys/stat.h>
390 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
391 like UTekV) are broken, sometimes giving false positives. Undefine
392 them here and let the code below set them to proper values.
394 The ghs macro stands for GreenHills Software C-1.8.5 which
395 is the C compiler for sysV88 and the various derivatives.
396 This header file bug is corrected in gcc-2.5.8 and later versions.
397 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
399 #if defined(uts) || (defined(m88k) && defined(ghs))
413 # ifdef I_SYS_TIME_KERNEL
416 # include <sys/time.h>
417 # ifdef I_SYS_TIME_KERNEL
422 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
423 # include <sys/times.h>
426 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
432 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
434 #endif /* !HAS_MKFIFO */
439 # include <net/errno.h>
444 # define SETERRNO(errcode,vmserrcode) \
446 set_errno(errcode); \
447 set_vaxc_errno(vmserrcode); \
450 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
454 extern int errno; /* ANSI allows errno to be an lvalue expr */
459 char *strerror _((int,...));
461 #ifndef DONT_DECLARE_STD
462 char *strerror _((int));
466 # define Strerror strerror
469 # ifdef HAS_SYS_ERRLIST
471 extern char *sys_errlist[];
473 # define Strerror(e) \
474 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
481 # include <sys/ioctl.h>
485 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
486 # ifdef HAS_SOCKETPAIR
487 # undef HAS_SOCKETPAIR
502 /* Configure already sets Direntry_t */
503 #if defined(I_DIRENT)
505 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
506 # include <sys/dir.h>
510 # include <sys/ndir.h>
514 # include <ndir.h> /* may be wrong in the future */
516 # include <sys/dir.h>
523 /* work around botch in SunOS 4.0.1 and 4.0.2 */
525 # define fputs(sv,fp) fprintf(fp,"%s",sv)
530 * The following gobbledygook brought to you on behalf of __STDC__.
531 * (I could just use #ifndef __STDC__, but this is more bulletproof
532 * in the face of half-implementations.)
537 # define S_IFMT _S_IFMT
539 # define S_IFMT 0170000
544 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
548 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
553 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
555 # define S_ISBLK(m) (0)
560 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
565 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
567 # define S_ISFIFO(m) (0)
573 # define S_ISLNK(m) _S_ISLNK(m)
576 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
579 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
581 # define S_ISLNK(m) (0)
589 # define S_ISSOCK(m) _S_ISSOCK(m)
592 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
595 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
597 # define S_ISSOCK(m) (0)
605 # define S_IRUSR S_IREAD
606 # define S_IWUSR S_IWRITE
607 # define S_IXUSR S_IEXEC
609 # define S_IRUSR 0400
610 # define S_IWUSR 0200
611 # define S_IXUSR 0100
613 # define S_IRGRP (S_IRUSR>>3)
614 # define S_IWGRP (S_IWUSR>>3)
615 # define S_IXGRP (S_IXUSR>>3)
616 # define S_IROTH (S_IRUSR>>6)
617 # define S_IWOTH (S_IWUSR>>6)
618 # define S_IXOTH (S_IXUSR>>6)
622 # define S_ISUID 04000
626 # define S_ISGID 02000
633 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
634 # define SLOPPYDIVIDE
641 /* XXX QUAD stuff is not currently supported on most systems.
642 Specifically, perl internals don't support long long. Among
643 the many problems is that some compilers support long long,
644 but the underlying library functions (such as sprintf) don't.
645 Some things do work (such as quad pack/unpack on convex);
646 also some systems use long long for the fpos_t typedef. That
649 The IV type is supposed to be long enough to hold any integral
651 --Andy Dougherty August 1996
658 # define Quad_t long long
660 # if BYTEORDER > 0xFFFF
669 typedef unsigned Quad_t UV;
670 # define IV_MAX PERL_QUAD_MAX
671 # define IV_MIN PERL_QUAD_MIN
672 # define UV_MAX PERL_UQUAD_MAX
673 # define UV_MIN PERL_UQUAD_MIN
676 typedef unsigned long UV;
677 # define IV_MAX PERL_LONG_MAX
678 # define IV_MIN PERL_LONG_MIN
679 # define UV_MAX PERL_ULONG_MAX
680 # define UV_MIN PERL_ULONG_MIN
683 /* Previously these definitions used hardcoded figures.
684 * It is hoped these formula are more portable, although
685 * no data one way or another is presently known to me.
686 * The "PERL_" names are used because these calculated constants
687 * do not meet the ANSI requirements for LONG_MAX, etc., which
688 * need to be constants acceptable to #if - kja
689 * define PERL_LONG_MAX 2147483647L
690 * define PERL_LONG_MIN (-LONG_MAX - 1)
691 * define PERL ULONG_MAX 4294967295L
694 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
703 * Try to figure out max and min values for the integral types. THE CORRECT
704 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
705 * following hacks are used if neither limits.h or values.h provide them:
706 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
707 * for types < int: (unsigned TYPE)~(unsigned)0
708 * The argument to ~ must be unsigned so that later signed->unsigned
709 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
710 * and it must not be smaller than int because ~ does integral promotion.
711 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
712 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
713 * The latter is a hack which happens to work on some machines but
714 * does *not* catch any random system, or things like integer types
715 * with NaN if that is possible.
717 * All of the types are explicitly cast to prevent accidental loss of
718 * numeric range, and in the hope that they will be less likely to confuse
719 * over-eager optimizers.
723 #define PERL_UCHAR_MIN ((unsigned char)0)
726 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
729 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
731 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
736 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
737 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
738 * depending on local options. Until Configure detects this (or at least
739 * detects whether the "signed" keyword is available) the CHAR ranges
740 * will not be included. UCHAR functions normally.
744 #define PERL_USHORT_MIN ((unsigned short)0)
747 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
750 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
752 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
757 # define PERL_SHORT_MAX ((short)SHORT_MAX)
759 # ifdef MAXSHORT /* Often used in <values.h> */
760 # define PERL_SHORT_MAX ((short)MAXSHORT)
762 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
767 # define PERL_SHORT_MIN ((short)SHORT_MIN)
770 # define PERL_SHORT_MIN ((short)MINSHORT)
772 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
777 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
780 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
782 # define PERL_UINT_MAX (~(unsigned int)0)
786 #define PERL_UINT_MIN ((unsigned int)0)
789 # define PERL_INT_MAX ((int)INT_MAX)
791 # ifdef MAXINT /* Often used in <values.h> */
792 # define PERL_INT_MAX ((int)MAXINT)
794 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
799 # define PERL_INT_MIN ((int)INT_MIN)
802 # define PERL_INT_MIN ((int)MININT)
804 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
809 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
812 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
814 # define PERL_ULONG_MAX (~(unsigned long)0)
818 #define PERL_ULONG_MIN ((unsigned long)0L)
821 # define PERL_LONG_MAX ((long)LONG_MAX)
823 # ifdef MAXLONG /* Often used in <values.h> */
824 # define PERL_LONG_MAX ((long)MAXLONG)
826 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
831 # define PERL_LONG_MIN ((long)LONG_MIN)
834 # define PERL_LONG_MIN ((long)MINLONG)
836 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
843 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
845 # define PERL_UQUAD_MAX (~(UV)0)
848 # define PERL_UQUAD_MIN ((UV)0)
851 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
853 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
857 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
859 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
864 /* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
866 # define CONTEXT PERL_CONTEXT
869 typedef MEM_SIZE STRLEN;
871 typedef struct op OP;
872 typedef struct cop COP;
873 typedef struct unop UNOP;
874 typedef struct binop BINOP;
875 typedef struct listop LISTOP;
876 typedef struct logop LOGOP;
877 typedef struct condop CONDOP;
878 typedef struct pmop PMOP;
879 typedef struct svop SVOP;
880 typedef struct gvop GVOP;
881 typedef struct pvop PVOP;
882 typedef struct loop LOOP;
884 typedef struct Outrec Outrec;
885 typedef struct interpreter PerlInterpreter;
887 typedef struct ff FF; /* XXX not defined anywhere, should go? */
889 typedef struct sv SV;
890 typedef struct av AV;
891 typedef struct hv HV;
892 typedef struct cv CV;
893 typedef struct regexp REGEXP;
894 typedef struct gp GP;
895 typedef struct gv GV;
896 typedef struct io IO;
897 typedef struct context CONTEXT;
898 typedef struct block BLOCK;
900 typedef struct magic MAGIC;
901 typedef struct xrv XRV;
902 typedef struct xpv XPV;
903 typedef struct xpviv XPVIV;
904 typedef struct xpvuv XPVUV;
905 typedef struct xpvnv XPVNV;
906 typedef struct xpvmg XPVMG;
907 typedef struct xpvlv XPVLV;
908 typedef struct xpvav XPVAV;
909 typedef struct xpvhv XPVHV;
910 typedef struct xpvgv XPVGV;
911 typedef struct xpvcv XPVCV;
912 typedef struct xpvbm XPVBM;
913 typedef struct xpvfm XPVFM;
914 typedef struct xpvio XPVIO;
915 typedef struct mgvtbl MGVTBL;
916 typedef union any ANY;
920 typedef I32 (*filter_t) _((int, SV *, int));
921 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
922 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
923 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
936 # include "./plan9/plan9ish.h"
938 # include "unixish.h"
944 # define STATUS_NATIVE statusvalue_vms
945 # define STATUS_NATIVE_EXPORT \
946 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
947 # define STATUS_NATIVE_SET(n) \
949 statusvalue_vms = (n); \
950 if ((I32)statusvalue_vms == -1) \
952 else if (statusvalue_vms & STS$M_SUCCESS) \
954 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
955 statusvalue = 1 << 8; \
957 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
959 # define STATUS_POSIX statusvalue
960 # ifdef VMSISH_STATUS
961 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
963 # define STATUS_CURRENT STATUS_POSIX
965 # define STATUS_POSIX_SET(n) \
968 if (statusvalue != -1) { \
969 statusvalue &= 0xFFFF; \
970 statusvalue_vms = statusvalue ? 44 : 1; \
972 else statusvalue_vms = -1; \
974 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
975 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
977 # define STATUS_NATIVE STATUS_POSIX
978 # define STATUS_NATIVE_EXPORT STATUS_POSIX
979 # define STATUS_NATIVE_SET STATUS_POSIX_SET
980 # define STATUS_POSIX statusvalue
981 # define STATUS_POSIX_SET(n) \
984 if (statusvalue != -1) \
985 statusvalue &= 0xFFFF; \
987 # define STATUS_CURRENT STATUS_POSIX
988 # define STATUS_ALL_SUCCESS (statusvalue = 0)
989 # define STATUS_ALL_FAILURE (statusvalue = 1)
992 /* Some unistd.h's give a prototype for pause() even though
993 HAS_PAUSE ends up undefined. This causes the #define
994 below to be rejected by the compmiler. Sigh.
999 #define Pause() sleep((32767<<16)+32767)
1003 # ifdef IOCPARM_MASK
1004 /* on BSDish systes we're safe */
1005 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1007 /* otherwise guess at what's safe */
1008 # define IOCPARM_LEN(x) 256
1017 void (*any_dptr) _((void*));
1021 #define ARGSproto struct thread *
1023 #define ARGSproto void
1024 #endif /* USE_THREADS */
1026 /* Work around some cygwin32 problems with importing global symbols */
1027 #if defined(CYGWIN32) && defined(DLLIMPORT)
1028 # include "cw32imp.h"
1045 /* work around some libPW problems */
1050 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1054 #if defined(htonl) && !defined(HAS_HTONL)
1057 #if defined(htons) && !defined(HAS_HTONS)
1060 #if defined(ntohl) && !defined(HAS_NTOHL)
1063 #if defined(ntohs) && !defined(HAS_NTOHS)
1067 #if (BYTEORDER & 0xffff) != 0x4321
1073 #define htons my_swap
1074 #define htonl my_htonl
1075 #define ntohs my_swap
1076 #define ntohl my_ntohl
1079 #if (BYTEORDER & 0xffff) == 0x4321
1088 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1091 #if BYTEORDER != 0x1234
1096 # if BYTEORDER == 0x4321
1097 # define vtohl(x) ((((x)&0xFF)<<24) \
1099 +(((x)&0x0000FF00)<<8) \
1100 +(((x)&0x00FF0000)>>8) )
1101 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1102 # define htovl(x) vtohl(x)
1103 # define htovs(x) vtohs(x)
1105 /* otherwise default to functions in util.c */
1109 #define U_S(what) ((U16)(what))
1110 #define U_I(what) ((unsigned int)(what))
1111 #define U_L(what) ((U32)(what))
1116 U32 cast_ulong _((double));
1120 #define U_S(what) ((U16)cast_ulong((double)(what)))
1121 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1122 #define U_L(what) (cast_ulong((double)(what)))
1126 #define I_32(what) ((I32)(what))
1127 #define I_V(what) ((IV)(what))
1128 #define U_V(what) ((UV)(what))
1133 I32 cast_i32 _((double));
1134 IV cast_iv _((double));
1135 UV cast_uv _((double));
1139 #define I_32(what) (cast_i32((double)(what)))
1140 #define I_V(what) (cast_iv((double)(what)))
1141 #define U_V(what) (cast_uv((double)(what)))
1155 # define TMPPATH "/tmp/perl-eXXXXXX"
1159 Uid_t getuid _((void));
1160 Uid_t geteuid _((void));
1161 Gid_t getgid _((void));
1162 Gid_t getegid _((void));
1166 #ifndef Perl_debug_log
1167 #define Perl_debug_log PerlIO_stderr()
1171 #define DEBUG(a) if (debug) a
1172 #define DEBUG_p(a) if (debug & 1) a
1173 #define DEBUG_s(a) if (debug & 2) a
1174 #define DEBUG_l(a) if (debug & 4) a
1175 #define DEBUG_t(a) if (debug & 8) a
1176 #define DEBUG_o(a) if (debug & 16) a
1177 #define DEBUG_c(a) if (debug & 32) a
1178 #define DEBUG_P(a) if (debug & 64) a
1179 #define DEBUG_m(a) if (curinterp && debug & 128) a
1180 #define DEBUG_f(a) if (debug & 256) a
1181 #define DEBUG_r(a) if (debug & 512) a
1182 #define DEBUG_x(a) if (debug & 1024) a
1183 #define DEBUG_u(a) if (debug & 2048) a
1184 #define DEBUG_L(a) if (debug & 4096) a
1185 #define DEBUG_H(a) if (debug & 8192) a
1186 #define DEBUG_X(a) if (debug & 16384) a
1187 #define DEBUG_D(a) if (debug & 32768) a
1208 #define YYMAXDEPTH 300
1210 #ifndef assert /* <assert.h> might have been included somehow */
1211 #define assert(what) DEB( { \
1213 croak("Assertion failed: file \"%s\", line %d", \
1214 __FILE__, __LINE__); \
1220 I32 (*uf_val)_((IV, SV*));
1221 I32 (*uf_set)_((IV, SV*));
1225 /* Fix these up for __STDC__ */
1226 #ifndef DONT_DECLARE_STD
1227 char *mktemp _((char*));
1228 double atof _((const char*));
1232 /* All of these are in stdlib.h or time.h for ANSI C */
1234 struct tm *gmtime(), *localtime();
1235 char *strchr(), *strrchr();
1236 char *strcpy(), *strcat();
1237 #endif /* ! STANDARD_C */
1246 double exp _((double));
1247 double log _((double));
1248 double log10 _((double));
1249 double sqrt _((double));
1250 double frexp _((double,int*));
1251 double ldexp _((double,int));
1252 double modf _((double,double*));
1253 double sin _((double));
1254 double cos _((double));
1255 double atan2 _((double,double));
1256 double pow _((double,double));
1263 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1264 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1266 char *crypt _((const char*, const char*));
1268 #ifndef DONT_DECLARE_STD
1270 char *getenv _((const char*));
1272 Off_t lseek _((int,Off_t,int));
1274 char *getlogin _((void));
1277 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1278 #define UNLINK unlnk
1279 I32 unlnk _((char*));
1281 #define UNLINK unlink
1284 #ifndef HAS_SETREUID
1285 # ifdef HAS_SETRESUID
1286 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1287 # define HAS_SETREUID
1290 #ifndef HAS_SETREGID
1291 # ifdef HAS_SETRESGID
1292 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1293 # define HAS_SETREGID
1297 typedef Signal_t (*Sighandler_t) _((int));
1299 #ifdef HAS_SIGACTION
1300 typedef struct sigaction Sigsave_t;
1302 typedef Sighandler_t Sigsave_t;
1314 # ifndef DEBUGGING_MSTATS
1315 # define DEBUGGING_MSTATS
1318 # define PAD_SV(po) pad_sv(po)
1319 # define RUNOPS_DEFAULT runops_debug
1321 # define PAD_SV(po) curpad[po]
1322 # define RUNOPS_DEFAULT runops_standard
1326 * These need prototyping here because <proto.h> isn't
1327 * included until after runops is initialised.
1330 int runops_standard _((void));
1332 int runops_debug _((void));
1340 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1342 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1343 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1344 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1345 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1346 EXT perl_cond eval_cond; /* Condition variable for doeval */
1347 EXT struct thread * eval_owner; /* Owner thread for doeval */
1348 EXT int nthreads; /* Number of threads currently */
1349 EXT perl_mutex nthreads_mutex; /* Mutex for nthreads */
1350 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1352 EXT struct thread * thr; /* Currently executing (fake) thread */
1354 #endif /* USE_THREADS */
1356 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1357 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1358 #ifndef DONT_DECLARE_STD
1359 extern char ** environ; /* environment variables supplied via exec */
1362 # if defined(NeXT) && defined(__DYNAMIC__)
1364 # include <mach-o/dyld.h>
1365 EXT char *** environ_pointer;
1366 # define environ (*environ_pointer)
1368 #endif /* environ processing */
1370 EXT int uid; /* current real user id */
1371 EXT int euid; /* current effective user id */
1372 EXT int gid; /* current real group id */
1373 EXT int egid; /* current effective group id */
1374 EXT bool nomemok; /* let malloc context handle nomem */
1375 EXT U32 an; /* malloc sequence number */
1376 EXT U32 cop_seqmax; /* statement sequence number */
1377 EXT U16 op_seqmax; /* op sequence number */
1378 EXT U32 evalseq; /* eval sequence number */
1379 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1380 EXT char ** origenviron;
1382 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1383 EXT U32 * profiledata;
1384 EXT int maxo INIT(MAXO);/* Number of ops */
1385 EXT char * osname; /* operating system */
1386 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1388 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1389 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1390 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1391 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1392 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1393 EXT HE * he_root; /* free he list--shared by interpreters */
1394 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1395 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1397 /* Stack for currently executing thread--context switch must handle this. */
1398 EXT SV ** stack_base; /* stack->array_ary */
1399 EXT SV ** stack_sp; /* stack pointer now */
1400 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1402 /* likewise for these */
1404 #ifdef OP_IN_REGISTER
1405 EXT OP * opsave; /* save current op register across longjmps */
1407 EXT OP * op; /* current op--when not in a global register */
1409 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1410 EXT I32 * scopestack; /* blocks we've entered */
1411 EXT I32 scopestack_ix;
1412 EXT I32 scopestack_max;
1414 EXT ANY* savestack; /* to save non-local values on */
1415 EXT I32 savestack_ix;
1416 EXT I32 savestack_max;
1418 EXT OP ** retstack; /* returns we've pushed */
1419 EXT I32 retstack_ix;
1420 EXT I32 retstack_max;
1422 EXT I32 * markstack; /* stackmarks we're remembering */
1423 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1424 EXT I32 * markstack_max; /* stackmarks we're remembering */
1431 EXT char tokenbuf[256];
1432 EXT struct stat statbuf;
1434 EXT struct tms timesbuf;
1436 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1438 /* for tmp use in stupid debuggers */
1443 /* handy constants */
1444 EXTCONST char * Yes INIT("1");
1445 EXTCONST char * No INIT("");
1446 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1447 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1448 EXTCONST char * vert INIT("|");
1450 EXTCONST char warn_uninit[]
1451 INIT("Use of uninitialized value");
1452 EXTCONST char warn_nosemi[]
1453 INIT("Semicolon seems to be missing");
1454 EXTCONST char warn_reserved[]
1455 INIT("Unquoted string \"%s\" may clash with future reserved word");
1456 EXTCONST char warn_nl[]
1457 INIT("Unsuccessful %s on filename containing newline");
1458 EXTCONST char no_wrongref[]
1459 INIT("Can't use %s ref as %s ref");
1460 EXTCONST char no_symref[]
1461 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1462 EXTCONST char no_usym[]
1463 INIT("Can't use an undefined value as %s reference");
1464 EXTCONST char no_aelem[]
1465 INIT("Modification of non-creatable array value attempted, subscript %d");
1466 EXTCONST char no_helem[]
1467 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1468 EXTCONST char no_modify[]
1469 INIT("Modification of a read-only value attempted");
1470 EXTCONST char no_mem[]
1471 INIT("Out of memory!\n");
1472 EXTCONST char no_security[]
1473 INIT("Insecure dependency in %s%s");
1474 EXTCONST char no_sock_func[]
1475 INIT("Unsupported socket function \"%s\" called");
1476 EXTCONST char no_dir_func[]
1477 INIT("Unsupported directory function \"%s\" called");
1478 EXTCONST char no_func[]
1479 INIT("The %s function is unimplemented");
1480 EXTCONST char no_myglob[]
1481 INIT("\"my\" variable %s can't be in a package");
1487 EXT char * cshname INIT(CSH);
1492 EXT char *sig_name[] = { SIG_NAME };
1493 EXT int sig_num[] = { SIG_NUM };
1494 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1495 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1497 EXT char *sig_name[];
1499 EXT SV * psig_ptr[];
1500 EXT SV * psig_name[];
1503 /* fast case folding tables */
1506 EXTCONST unsigned char fold[] = {
1507 0, 1, 2, 3, 4, 5, 6, 7,
1508 8, 9, 10, 11, 12, 13, 14, 15,
1509 16, 17, 18, 19, 20, 21, 22, 23,
1510 24, 25, 26, 27, 28, 29, 30, 31,
1511 32, 33, 34, 35, 36, 37, 38, 39,
1512 40, 41, 42, 43, 44, 45, 46, 47,
1513 48, 49, 50, 51, 52, 53, 54, 55,
1514 56, 57, 58, 59, 60, 61, 62, 63,
1515 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1516 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1517 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1518 'x', 'y', 'z', 91, 92, 93, 94, 95,
1519 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1520 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1521 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1522 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1523 128, 129, 130, 131, 132, 133, 134, 135,
1524 136, 137, 138, 139, 140, 141, 142, 143,
1525 144, 145, 146, 147, 148, 149, 150, 151,
1526 152, 153, 154, 155, 156, 157, 158, 159,
1527 160, 161, 162, 163, 164, 165, 166, 167,
1528 168, 169, 170, 171, 172, 173, 174, 175,
1529 176, 177, 178, 179, 180, 181, 182, 183,
1530 184, 185, 186, 187, 188, 189, 190, 191,
1531 192, 193, 194, 195, 196, 197, 198, 199,
1532 200, 201, 202, 203, 204, 205, 206, 207,
1533 208, 209, 210, 211, 212, 213, 214, 215,
1534 216, 217, 218, 219, 220, 221, 222, 223,
1535 224, 225, 226, 227, 228, 229, 230, 231,
1536 232, 233, 234, 235, 236, 237, 238, 239,
1537 240, 241, 242, 243, 244, 245, 246, 247,
1538 248, 249, 250, 251, 252, 253, 254, 255
1541 EXTCONST unsigned char fold[];
1545 EXT unsigned char fold_locale[] = {
1546 0, 1, 2, 3, 4, 5, 6, 7,
1547 8, 9, 10, 11, 12, 13, 14, 15,
1548 16, 17, 18, 19, 20, 21, 22, 23,
1549 24, 25, 26, 27, 28, 29, 30, 31,
1550 32, 33, 34, 35, 36, 37, 38, 39,
1551 40, 41, 42, 43, 44, 45, 46, 47,
1552 48, 49, 50, 51, 52, 53, 54, 55,
1553 56, 57, 58, 59, 60, 61, 62, 63,
1554 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1555 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1556 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1557 'x', 'y', 'z', 91, 92, 93, 94, 95,
1558 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1559 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1560 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1561 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1562 128, 129, 130, 131, 132, 133, 134, 135,
1563 136, 137, 138, 139, 140, 141, 142, 143,
1564 144, 145, 146, 147, 148, 149, 150, 151,
1565 152, 153, 154, 155, 156, 157, 158, 159,
1566 160, 161, 162, 163, 164, 165, 166, 167,
1567 168, 169, 170, 171, 172, 173, 174, 175,
1568 176, 177, 178, 179, 180, 181, 182, 183,
1569 184, 185, 186, 187, 188, 189, 190, 191,
1570 192, 193, 194, 195, 196, 197, 198, 199,
1571 200, 201, 202, 203, 204, 205, 206, 207,
1572 208, 209, 210, 211, 212, 213, 214, 215,
1573 216, 217, 218, 219, 220, 221, 222, 223,
1574 224, 225, 226, 227, 228, 229, 230, 231,
1575 232, 233, 234, 235, 236, 237, 238, 239,
1576 240, 241, 242, 243, 244, 245, 246, 247,
1577 248, 249, 250, 251, 252, 253, 254, 255
1580 EXT unsigned char fold_locale[];
1584 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1585 1, 2, 84, 151, 154, 155, 156, 157,
1586 165, 246, 250, 3, 158, 7, 18, 29,
1587 40, 51, 62, 73, 85, 96, 107, 118,
1588 129, 140, 147, 148, 149, 150, 152, 153,
1589 255, 182, 224, 205, 174, 176, 180, 217,
1590 233, 232, 236, 187, 235, 228, 234, 226,
1591 222, 219, 211, 195, 188, 193, 185, 184,
1592 191, 183, 201, 229, 181, 220, 194, 162,
1593 163, 208, 186, 202, 200, 218, 198, 179,
1594 178, 214, 166, 170, 207, 199, 209, 206,
1595 204, 160, 212, 216, 215, 192, 175, 173,
1596 243, 172, 161, 190, 203, 189, 164, 230,
1597 167, 248, 227, 244, 242, 255, 241, 231,
1598 240, 253, 169, 210, 245, 237, 249, 247,
1599 239, 168, 252, 251, 254, 238, 223, 221,
1600 213, 225, 177, 197, 171, 196, 159, 4,
1601 5, 6, 8, 9, 10, 11, 12, 13,
1602 14, 15, 16, 17, 19, 20, 21, 22,
1603 23, 24, 25, 26, 27, 28, 30, 31,
1604 32, 33, 34, 35, 36, 37, 38, 39,
1605 41, 42, 43, 44, 45, 46, 47, 48,
1606 49, 50, 52, 53, 54, 55, 56, 57,
1607 58, 59, 60, 61, 63, 64, 65, 66,
1608 67, 68, 69, 70, 71, 72, 74, 75,
1609 76, 77, 78, 79, 80, 81, 82, 83,
1610 86, 87, 88, 89, 90, 91, 92, 93,
1611 94, 95, 97, 98, 99, 100, 101, 102,
1612 103, 104, 105, 106, 108, 109, 110, 111,
1613 112, 113, 114, 115, 116, 117, 119, 120,
1614 121, 122, 123, 124, 125, 126, 127, 128,
1615 130, 131, 132, 133, 134, 135, 136, 137,
1616 138, 139, 141, 142, 143, 144, 145, 146
1619 EXTCONST unsigned char freq[];
1624 EXTCONST char* block_type[] = {
1633 EXTCONST char* block_type[];
1637 /*****************************************************************************/
1638 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1639 /*****************************************************************************/
1640 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1653 EXT U32 lex_state; /* next token is determined */
1654 EXT U32 lex_defer; /* state after determined token */
1655 EXT expectation lex_expect; /* expect after determined token */
1656 EXT I32 lex_brackets; /* bracket count */
1657 EXT I32 lex_formbrack; /* bracket count at outer format level */
1658 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1659 EXT I32 lex_casemods; /* casemod count */
1660 EXT I32 lex_dojoin; /* doing an array interpolation */
1661 EXT I32 lex_starts; /* how many interps done on level */
1662 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1663 EXT SV * lex_repl; /* runtime replacement from s/// */
1664 EXT OP * lex_op; /* extra info to pass back on op */
1665 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1666 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1667 EXT char * lex_brackstack; /* what kind of brackets to pop */
1668 EXT char * lex_casestack; /* what kind of case mods in effect */
1670 /* What we know when we're in LEX_KNOWNEXT state. */
1671 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1672 EXT I32 nexttype[5]; /* type of next token */
1675 EXT PerlIO * VOL rsfp INIT(Nullfp);
1678 EXT char * oldbufptr;
1679 EXT char * oldoldbufptr;
1681 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1682 EXT AV * rsfp_filters;
1684 EXT I32 multi_start; /* 1st line of multi-line string */
1685 EXT I32 multi_end; /* last line of multi-line string */
1686 EXT I32 multi_open; /* delimiter of said string */
1687 EXT I32 multi_close; /* delimiter of said string */
1690 EXT I32 error_count; /* how many errors so far, max 10 */
1691 EXT I32 subline; /* line this subroutine began on */
1692 EXT SV * subname; /* name of current subroutine */
1694 EXT CV * compcv; /* currently compiling subroutine */
1695 EXT AV * comppad; /* storage for lexically scoped temporaries */
1696 EXT AV * comppad_name; /* variable names for "my" variables */
1697 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1698 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1699 EXT I32 min_intro_pending;/* start of vars to introduce */
1700 EXT I32 max_intro_pending;/* end of vars to introduce */
1701 EXT I32 padix; /* max used index in current "register" pad */
1702 EXT I32 padix_floor; /* how low may inner block reset padix */
1703 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1706 EXT I32 thisexpr; /* name id for nothing_in_common() */
1707 EXT char * last_uni; /* position of last named-unary operator */
1708 EXT char * last_lop; /* position of last list operator */
1709 EXT OPCODE last_lop_op; /* last list operator */
1710 EXT bool in_my; /* we're compiling a "my" declaration */
1711 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1713 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1716 EXT U32 hints; /* various compilation flags */
1718 /* Note: the lowest 8 bits are reserved for
1719 stuffing into op->op_private */
1720 #define HINT_INTEGER 0x00000001
1721 #define HINT_STRICT_REFS 0x00000002
1723 #define HINT_BLOCK_SCOPE 0x00000100
1724 #define HINT_STRICT_SUBS 0x00000200
1725 #define HINT_STRICT_VARS 0x00000400
1726 #define HINT_LOCALE 0x00000800
1728 /**************************************************************************/
1729 /* This regexp stuff is global since it always happens within 1 expr eval */
1730 /**************************************************************************/
1732 EXT char * regprecomp; /* uncompiled string. */
1733 EXT char * regparse; /* Input-scan pointer. */
1734 EXT char * regxend; /* End of input for compile */
1735 EXT I32 regnpar; /* () count. */
1736 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1737 EXT I32 regsize; /* Code size. */
1738 EXT I32 regnaughty; /* How bad is this pattern? */
1739 EXT I32 regsawback; /* Did we see \1, ...? */
1741 EXT char * reginput; /* String-input pointer. */
1742 EXT char * regbol; /* Beginning of input, for ^ check. */
1743 EXT char * regeol; /* End of input, for $ check. */
1744 EXT char ** regstartp; /* Pointer to startp array. */
1745 EXT char ** regendp; /* Ditto for endp. */
1746 EXT U32 * reglastparen; /* Similarly for lastparen. */
1747 EXT char * regtill; /* How far we are required to go. */
1748 EXT U16 regflags; /* are we folding, multilining? */
1749 EXT char regprev; /* char before regbol, \n if none */
1751 EXT bool do_undump; /* -u or dump seen? */
1754 /***********************************************/
1755 /* Global only to current interpreter instance */
1756 /***********************************************/
1761 struct interpreter {
1764 #define IINIT(x) INIT(x)
1767 /* pseudo environmental stuff */
1769 IEXT char ** Iorigargv;
1773 IEXT char * Iorigfilename;
1775 IEXT SV * Iwarnhook;
1776 IEXT SV * Iparsehook;
1778 /* Various states of an input record separator SV (rs, nrs) */
1779 #define RsSNARF(sv) (! SvOK(sv))
1780 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1781 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1786 IEXT char Ipatchlevel[10];
1787 IEXT char ** Ilocalpatches;
1789 IEXT char * Isplitstr IINIT(" ");
1790 IEXT bool Ipreprocess;
1796 IEXT bool Idoswitches;
1798 IEXT bool Idoextract;
1799 IEXT bool Isawampersand; /* must save all match strings */
1800 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1803 IEXT char * Iinplace;
1804 IEXT char * Ie_tmpname;
1805 IEXT PerlIO * Ie_fp;
1807 /* This value may be raised by extensions for testing purposes */
1808 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1810 /* magical thingies */
1811 IEXT Time_t Ibasetime; /* $^T */
1812 IEXT SV * Iformfeed; /* $^L */
1813 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1814 IEXT SV * Irs; /* $/ */
1815 IEXT char * Iofs; /* $, */
1816 IEXT STRLEN Iofslen;
1817 IEXT char * Iors; /* $\ */
1818 IEXT STRLEN Iorslen;
1819 IEXT char * Iofmt; /* $# */
1820 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1821 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1822 IEXT I32 Istatusvalue; /* $? */
1824 IEXT U32 Istatusvalue_vms;
1827 IEXT struct stat Istatcache; /* _ */
1829 IEXT SV * Istatname IINIT(Nullsv);
1831 /* shortcuts to various I/O objects */
1833 IEXT GV * Ilast_in_gv;
1836 IEXT GV * Idefoutgv;
1837 IEXT GV * Iargvoutgv;
1839 /* shortcuts to regexp stuff */
1843 IEXT PMOP * Icurpm; /* what to do \ interps from */
1844 IEXT I32 * Iscreamfirst;
1845 IEXT I32 * Iscreamnext;
1846 IEXT I32 Imaxscream IINIT(-1);
1847 IEXT SV * Ilastscream;
1849 /* shortcuts to misc objects */
1852 /* shortcuts to debugging objects */
1856 IEXT SV * IDBsingle;
1858 IEXT SV * IDBsignal;
1859 IEXT AV * Ilineary; /* lines of script for debugger */
1860 IEXT AV * Idbargs; /* args to call listed by caller function */
1863 IEXT HV * Idefstash; /* main symbol table */
1864 IEXT HV * Icurstash; /* symbol table for current package */
1865 IEXT HV * Idebstash; /* symbol table for perldb package */
1866 IEXT SV * Icurstname; /* name of current package */
1867 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1868 IEXT AV * Iendav; /* names of END subroutines */
1869 IEXT AV * Iinitav; /* names of INIT subroutines */
1870 IEXT HV * Istrtab; /* shared string table */
1872 /* memory management */
1873 IEXT SV ** Itmps_stack;
1874 IEXT I32 Itmps_ix IINIT(-1);
1875 IEXT I32 Itmps_floor IINIT(-1);
1877 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1878 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1879 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1880 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1882 /* funky return mechanisms */
1883 IEXT I32 Ilastspbase;
1885 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1887 /* subprocess state */
1888 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1890 /* internal state */
1891 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1892 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1893 IEXT int Idelaymagic; /* ($<,$>) = ... */
1894 IEXT bool Idirty; /* In the middle of tearing things down? */
1895 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1896 IEXT bool Itainted; /* using variables controlled by $< */
1897 IEXT bool Itainting; /* doing taint checks */
1898 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1902 IEXT I32 Idlmax IINIT(128);
1903 IEXT char * Idebname;
1904 IEXT char * Idebdelim;
1906 /* current interpreter roots */
1908 IEXT OP * Imain_root;
1909 IEXT OP * Imain_start;
1910 IEXT OP * Ieval_root;
1911 IEXT OP * Ieval_start;
1913 /* runtime control stuff */
1914 IEXT COP * VOL Icurcop IINIT(&compiling);
1915 IEXT COP * Icurcopdb IINIT(NULL);
1916 IEXT line_t Icopline IINIT(NOLINE);
1917 IEXT CONTEXT * Icxstack;
1918 IEXT I32 Icxstack_ix IINIT(-1);
1919 IEXT I32 Icxstack_max IINIT(128);
1920 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1921 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1925 IEXT AV * Icurstack; /* THE STACK */
1926 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1928 IEXT SV ** Imystack_base; /* stack->array_ary */
1929 IEXT SV ** Imystack_sp; /* stack pointer now */
1930 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1933 /* format accumulators */
1934 IEXT SV * Iformtarget;
1935 IEXT SV * Ibodytarget;
1936 IEXT SV * Itoptarget;
1938 /* statics moved here for shared library purposes */
1939 IEXT SV Istrchop; /* return value from chop */
1940 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1941 IEXT int Ilastfd; /* what to preserve mode on */
1942 IEXT char * Ioldname; /* what to preserve mode on */
1943 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1944 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1945 IEXT OP * Isortcop; /* user defined sort routine */
1946 IEXT HV * Isortstash; /* which is in some package or other */
1947 IEXT GV * Ifirstgv; /* $a */
1948 IEXT GV * Isecondgv; /* $b */
1949 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1950 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1951 IEXT SV * Imystrk; /* temp key string for do_each() */
1952 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1953 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1954 IEXT I32 Igensym; /* next symbol for getsym() to define */
1955 IEXT bool Ipreambled;
1956 IEXT AV * Ipreambleav;
1957 IEXT int Ilaststatval IINIT(-1);
1958 IEXT I32 Ilaststype IINIT(OP_STAT);
1967 struct interpreter {
1982 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1983 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1985 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1986 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1993 /* The following must follow proto.h */
1997 EXT MGVTBL vtbl_sv = {magic_get,
2001 EXT MGVTBL vtbl_env = {0, 0, 0, magic_clear_all_env,
2003 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2006 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2007 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2011 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2013 EXT MGVTBL vtbl_packelem = {magic_getpack,
2017 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2019 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2021 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2023 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2026 EXT MGVTBL vtbl_glob = {magic_getglob,
2029 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2031 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2033 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2035 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2037 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2039 EXT MGVTBL vtbl_pos = {magic_getpos,
2042 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2044 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2046 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2050 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2051 #endif /* USE_THREADS */
2052 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2053 0, 0, magic_freedefelem};
2055 #ifdef USE_LOCALE_COLLATE
2056 EXT MGVTBL vtbl_collxfrm = {0,
2062 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2063 0, 0, magic_setamagic};
2064 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2065 0, 0, magic_setamagic};
2066 #endif /* OVERLOAD */
2071 EXT MGVTBL vtbl_env;
2072 EXT MGVTBL vtbl_envelem;
2073 EXT MGVTBL vtbl_sig;
2074 EXT MGVTBL vtbl_sigelem;
2075 EXT MGVTBL vtbl_pack;
2076 EXT MGVTBL vtbl_packelem;
2077 EXT MGVTBL vtbl_dbline;
2078 EXT MGVTBL vtbl_isa;
2079 EXT MGVTBL vtbl_isaelem;
2080 EXT MGVTBL vtbl_arylen;
2081 EXT MGVTBL vtbl_glob;
2082 EXT MGVTBL vtbl_mglob;
2083 EXT MGVTBL vtbl_nkeys;
2084 EXT MGVTBL vtbl_taint;
2085 EXT MGVTBL vtbl_substr;
2086 EXT MGVTBL vtbl_vec;
2087 EXT MGVTBL vtbl_pos;
2090 EXT MGVTBL vtbl_uvar;
2093 EXT MGVTBL vtbl_mutex;
2094 #endif /* USE_THREADS */
2096 EXT MGVTBL vtbl_defelem;
2098 #ifdef USE_LOCALE_COLLATE
2099 EXT MGVTBL vtbl_collxfrm;
2103 EXT MGVTBL vtbl_amagic;
2104 EXT MGVTBL vtbl_amagicelem;
2105 #endif /* OVERLOAD */
2107 #endif /* !DOINIT */
2111 EXT long amagic_generation;
2113 #define NofAMmeth 58
2115 EXTCONST char * AMG_names[NofAMmeth] = {
2116 "fallback", "abs", /* "fallback" should be the first. */
2147 EXTCONST char * AMG_names[NofAMmeth];
2148 #endif /* def INITAMAGIC */
2154 CV* table[NofAMmeth];
2157 struct am_table_short {
2162 typedef struct am_table AMT;
2163 typedef struct am_table_short AMTS;
2165 #define AMGfallNEVER 1
2167 #define AMGfallYES 3
2169 #define AMTf_AMAGIC 1
2170 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2171 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2172 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2175 fallback_amg, abs_amg,
2176 bool__amg, nomethod_amg,
2177 string_amg, numer_amg,
2178 add_amg, add_ass_amg,
2179 subtr_amg, subtr_ass_amg,
2180 mult_amg, mult_ass_amg,
2181 div_amg, div_ass_amg,
2182 mod_amg, mod_ass_amg,
2183 pow_amg, pow_ass_amg,
2184 lshift_amg, lshift_ass_amg,
2185 rshift_amg, rshift_ass_amg,
2186 band_amg, band_ass_amg,
2187 bor_amg, bor_ass_amg,
2188 bxor_amg, bxor_ass_amg,
2201 repeat_amg, repeat_ass_amg,
2202 concat_amg, concat_ass_amg,
2207 * some compilers like to redefine cos et alia as faster
2208 * (and less accurate?) versions called F_cos et cetera (Quidquid
2209 * latine dictum sit, altum viditur.) This trick collides with
2210 * the Perl overloading (amg). The following #defines fool both.
2215 # define F_atan2_amg atan2_amg
2218 # define F_cos_amg cos_amg
2221 # define F_exp_amg exp_amg
2224 # define F_log_amg log_amg
2227 # define F_pow_amg pow_amg
2230 # define F_sin_amg sin_amg
2233 # define F_sqrt_amg sqrt_amg
2235 #endif /* _FASTMATH */
2237 #endif /* OVERLOAD */
2239 #ifdef USE_LOCALE_COLLATE
2240 EXT U32 collation_ix; /* Collation generation index */
2241 EXT char * collation_name; /* Name of current collation */
2242 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2243 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2244 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2245 #endif /* USE_LOCALE_COLLATE */
2247 #ifdef USE_LOCALE_NUMERIC
2249 EXT char * numeric_name; /* Name of current numeric locale */
2250 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2251 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2253 #define SET_NUMERIC_STANDARD() \
2255 if (! numeric_standard) \
2256 perl_set_numeric_standard(); \
2259 #define SET_NUMERIC_LOCAL() \
2261 if (! numeric_local) \
2262 perl_set_numeric_local(); \
2265 #else /* !USE_LOCALE_NUMERIC */
2267 #define SET_NUMERIC_STANDARD() /**/
2268 #define SET_NUMERIC_LOCAL() /**/
2270 #endif /* !USE_LOCALE_NUMERIC */
2272 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2274 * Now we have __attribute__ out of the way
2277 #define printf PerlIO_stdoutf
2280 #endif /* Include guard */