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>
386 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
387 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
388 * (the neo-BSD seem to do this). */
393 # include <sys/stat.h>
396 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
397 like UTekV) are broken, sometimes giving false positives. Undefine
398 them here and let the code below set them to proper values.
400 The ghs macro stands for GreenHills Software C-1.8.5 which
401 is the C compiler for sysV88 and the various derivatives.
402 This header file bug is corrected in gcc-2.5.8 and later versions.
403 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
405 #if defined(uts) || (defined(m88k) && defined(ghs))
419 # ifdef I_SYS_TIME_KERNEL
422 # include <sys/time.h>
423 # ifdef I_SYS_TIME_KERNEL
428 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
429 # include <sys/times.h>
432 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
438 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
440 #endif /* !HAS_MKFIFO */
445 # include <net/errno.h>
450 # define SETERRNO(errcode,vmserrcode) \
452 set_errno(errcode); \
453 set_vaxc_errno(vmserrcode); \
456 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
460 extern int errno; /* ANSI allows errno to be an lvalue expr */
465 char *strerror _((int,...));
467 #ifndef DONT_DECLARE_STD
468 char *strerror _((int));
472 # define Strerror strerror
475 # ifdef HAS_SYS_ERRLIST
477 extern char *sys_errlist[];
479 # define Strerror(e) \
480 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
487 # include <sys/ioctl.h>
491 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
492 # ifdef HAS_SOCKETPAIR
493 # undef HAS_SOCKETPAIR
508 /* Configure already sets Direntry_t */
509 #if defined(I_DIRENT)
511 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
512 # include <sys/dir.h>
516 # include <sys/ndir.h>
520 # include <ndir.h> /* may be wrong in the future */
522 # include <sys/dir.h>
529 /* work around botch in SunOS 4.0.1 and 4.0.2 */
531 # define fputs(sv,fp) fprintf(fp,"%s",sv)
536 * The following gobbledygook brought to you on behalf of __STDC__.
537 * (I could just use #ifndef __STDC__, but this is more bulletproof
538 * in the face of half-implementations.)
543 # define S_IFMT _S_IFMT
545 # define S_IFMT 0170000
550 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
554 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
559 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
561 # define S_ISBLK(m) (0)
566 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
571 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
573 # define S_ISFIFO(m) (0)
579 # define S_ISLNK(m) _S_ISLNK(m)
582 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
585 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
587 # define S_ISLNK(m) (0)
595 # define S_ISSOCK(m) _S_ISSOCK(m)
598 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
601 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
603 # define S_ISSOCK(m) (0)
611 # define S_IRUSR S_IREAD
612 # define S_IWUSR S_IWRITE
613 # define S_IXUSR S_IEXEC
615 # define S_IRUSR 0400
616 # define S_IWUSR 0200
617 # define S_IXUSR 0100
619 # define S_IRGRP (S_IRUSR>>3)
620 # define S_IWGRP (S_IWUSR>>3)
621 # define S_IXGRP (S_IXUSR>>3)
622 # define S_IROTH (S_IRUSR>>6)
623 # define S_IWOTH (S_IWUSR>>6)
624 # define S_IXOTH (S_IXUSR>>6)
628 # define S_ISUID 04000
632 # define S_ISGID 02000
639 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
640 # define SLOPPYDIVIDE
647 /* XXX QUAD stuff is not currently supported on most systems.
648 Specifically, perl internals don't support long long. Among
649 the many problems is that some compilers support long long,
650 but the underlying library functions (such as sprintf) don't.
651 Some things do work (such as quad pack/unpack on convex);
652 also some systems use long long for the fpos_t typedef. That
655 The IV type is supposed to be long enough to hold any integral
657 --Andy Dougherty August 1996
664 # define Quad_t long long
666 # if BYTEORDER > 0xFFFF
675 typedef unsigned Quad_t UV;
676 # define IV_MAX PERL_QUAD_MAX
677 # define IV_MIN PERL_QUAD_MIN
678 # define UV_MAX PERL_UQUAD_MAX
679 # define UV_MIN PERL_UQUAD_MIN
682 typedef unsigned long UV;
683 # define IV_MAX PERL_LONG_MAX
684 # define IV_MIN PERL_LONG_MIN
685 # define UV_MAX PERL_ULONG_MAX
686 # define UV_MIN PERL_ULONG_MIN
689 /* Previously these definitions used hardcoded figures.
690 * It is hoped these formula are more portable, although
691 * no data one way or another is presently known to me.
692 * The "PERL_" names are used because these calculated constants
693 * do not meet the ANSI requirements for LONG_MAX, etc., which
694 * need to be constants acceptable to #if - kja
695 * define PERL_LONG_MAX 2147483647L
696 * define PERL_LONG_MIN (-LONG_MAX - 1)
697 * define PERL ULONG_MAX 4294967295L
700 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
709 * Try to figure out max and min values for the integral types. THE CORRECT
710 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
711 * following hacks are used if neither limits.h or values.h provide them:
712 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
713 * for types < int: (unsigned TYPE)~(unsigned)0
714 * The argument to ~ must be unsigned so that later signed->unsigned
715 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
716 * and it must not be smaller than int because ~ does integral promotion.
717 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
718 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
719 * The latter is a hack which happens to work on some machines but
720 * does *not* catch any random system, or things like integer types
721 * with NaN if that is possible.
723 * All of the types are explicitly cast to prevent accidental loss of
724 * numeric range, and in the hope that they will be less likely to confuse
725 * over-eager optimizers.
729 #define PERL_UCHAR_MIN ((unsigned char)0)
732 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
735 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
737 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
742 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
743 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
744 * depending on local options. Until Configure detects this (or at least
745 * detects whether the "signed" keyword is available) the CHAR ranges
746 * will not be included. UCHAR functions normally.
750 #define PERL_USHORT_MIN ((unsigned short)0)
753 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
756 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
758 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
763 # define PERL_SHORT_MAX ((short)SHORT_MAX)
765 # ifdef MAXSHORT /* Often used in <values.h> */
766 # define PERL_SHORT_MAX ((short)MAXSHORT)
768 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
773 # define PERL_SHORT_MIN ((short)SHORT_MIN)
776 # define PERL_SHORT_MIN ((short)MINSHORT)
778 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
783 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
786 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
788 # define PERL_UINT_MAX (~(unsigned int)0)
792 #define PERL_UINT_MIN ((unsigned int)0)
795 # define PERL_INT_MAX ((int)INT_MAX)
797 # ifdef MAXINT /* Often used in <values.h> */
798 # define PERL_INT_MAX ((int)MAXINT)
800 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
805 # define PERL_INT_MIN ((int)INT_MIN)
808 # define PERL_INT_MIN ((int)MININT)
810 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
815 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
818 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
820 # define PERL_ULONG_MAX (~(unsigned long)0)
824 #define PERL_ULONG_MIN ((unsigned long)0L)
827 # define PERL_LONG_MAX ((long)LONG_MAX)
829 # ifdef MAXLONG /* Often used in <values.h> */
830 # define PERL_LONG_MAX ((long)MAXLONG)
832 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
837 # define PERL_LONG_MIN ((long)LONG_MIN)
840 # define PERL_LONG_MIN ((long)MINLONG)
842 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
849 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
851 # define PERL_UQUAD_MAX (~(UV)0)
854 # define PERL_UQUAD_MIN ((UV)0)
857 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
859 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
863 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
865 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
870 /* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
872 # define CONTEXT PERL_CONTEXT
875 typedef MEM_SIZE STRLEN;
877 typedef struct op OP;
878 typedef struct cop COP;
879 typedef struct unop UNOP;
880 typedef struct binop BINOP;
881 typedef struct listop LISTOP;
882 typedef struct logop LOGOP;
883 typedef struct condop CONDOP;
884 typedef struct pmop PMOP;
885 typedef struct svop SVOP;
886 typedef struct gvop GVOP;
887 typedef struct pvop PVOP;
888 typedef struct loop LOOP;
890 typedef struct Outrec Outrec;
891 typedef struct interpreter PerlInterpreter;
893 typedef struct ff FF; /* XXX not defined anywhere, should go? */
895 typedef struct sv SV;
896 typedef struct av AV;
897 typedef struct hv HV;
898 typedef struct cv CV;
899 typedef struct regexp REGEXP;
900 typedef struct gp GP;
901 typedef struct gv GV;
902 typedef struct io IO;
903 typedef struct context CONTEXT;
904 typedef struct block BLOCK;
906 typedef struct magic MAGIC;
907 typedef struct xrv XRV;
908 typedef struct xpv XPV;
909 typedef struct xpviv XPVIV;
910 typedef struct xpvuv XPVUV;
911 typedef struct xpvnv XPVNV;
912 typedef struct xpvmg XPVMG;
913 typedef struct xpvlv XPVLV;
914 typedef struct xpvav XPVAV;
915 typedef struct xpvhv XPVHV;
916 typedef struct xpvgv XPVGV;
917 typedef struct xpvcv XPVCV;
918 typedef struct xpvbm XPVBM;
919 typedef struct xpvfm XPVFM;
920 typedef struct xpvio XPVIO;
921 typedef struct mgvtbl MGVTBL;
922 typedef union any ANY;
926 typedef I32 (*filter_t) _((int, SV *, int));
927 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
928 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
929 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
942 # include "./plan9/plan9ish.h"
944 # include "unixish.h"
950 # define STATUS_NATIVE statusvalue_vms
951 # define STATUS_NATIVE_EXPORT \
952 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
953 # define STATUS_NATIVE_SET(n) \
955 statusvalue_vms = (n); \
956 if ((I32)statusvalue_vms == -1) \
958 else if (statusvalue_vms & STS$M_SUCCESS) \
960 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
961 statusvalue = 1 << 8; \
963 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
965 # define STATUS_POSIX statusvalue
966 # ifdef VMSISH_STATUS
967 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
969 # define STATUS_CURRENT STATUS_POSIX
971 # define STATUS_POSIX_SET(n) \
974 if (statusvalue != -1) { \
975 statusvalue &= 0xFFFF; \
976 statusvalue_vms = statusvalue ? 44 : 1; \
978 else statusvalue_vms = -1; \
980 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
981 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
983 # define STATUS_NATIVE STATUS_POSIX
984 # define STATUS_NATIVE_EXPORT STATUS_POSIX
985 # define STATUS_NATIVE_SET STATUS_POSIX_SET
986 # define STATUS_POSIX statusvalue
987 # define STATUS_POSIX_SET(n) \
990 if (statusvalue != -1) \
991 statusvalue &= 0xFFFF; \
993 # define STATUS_CURRENT STATUS_POSIX
994 # define STATUS_ALL_SUCCESS (statusvalue = 0)
995 # define STATUS_ALL_FAILURE (statusvalue = 1)
998 /* Some unistd.h's give a prototype for pause() even though
999 HAS_PAUSE ends up undefined. This causes the #define
1000 below to be rejected by the compmiler. Sigh.
1005 #define Pause() sleep((32767<<16)+32767)
1009 # ifdef IOCPARM_MASK
1010 /* on BSDish systes we're safe */
1011 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1013 /* otherwise guess at what's safe */
1014 # define IOCPARM_LEN(x) 256
1023 void (*any_dptr) _((void*));
1027 #define ARGSproto struct thread *
1029 #define ARGSproto void
1030 #endif /* USE_THREADS */
1032 /* Work around some cygwin32 problems with importing global symbols */
1033 #if defined(CYGWIN32) && defined(DLLIMPORT)
1034 # include "cw32imp.h"
1051 /* work around some libPW problems */
1056 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1060 #if defined(htonl) && !defined(HAS_HTONL)
1063 #if defined(htons) && !defined(HAS_HTONS)
1066 #if defined(ntohl) && !defined(HAS_NTOHL)
1069 #if defined(ntohs) && !defined(HAS_NTOHS)
1073 #if (BYTEORDER & 0xffff) != 0x4321
1079 #define htons my_swap
1080 #define htonl my_htonl
1081 #define ntohs my_swap
1082 #define ntohl my_ntohl
1085 #if (BYTEORDER & 0xffff) == 0x4321
1094 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1097 #if BYTEORDER != 0x1234
1102 # if BYTEORDER == 0x4321
1103 # define vtohl(x) ((((x)&0xFF)<<24) \
1105 +(((x)&0x0000FF00)<<8) \
1106 +(((x)&0x00FF0000)>>8) )
1107 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1108 # define htovl(x) vtohl(x)
1109 # define htovs(x) vtohs(x)
1111 /* otherwise default to functions in util.c */
1115 #define U_S(what) ((U16)(what))
1116 #define U_I(what) ((unsigned int)(what))
1117 #define U_L(what) ((U32)(what))
1122 U32 cast_ulong _((double));
1126 #define U_S(what) ((U16)cast_ulong((double)(what)))
1127 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1128 #define U_L(what) (cast_ulong((double)(what)))
1132 #define I_32(what) ((I32)(what))
1133 #define I_V(what) ((IV)(what))
1134 #define U_V(what) ((UV)(what))
1139 I32 cast_i32 _((double));
1140 IV cast_iv _((double));
1141 UV cast_uv _((double));
1145 #define I_32(what) (cast_i32((double)(what)))
1146 #define I_V(what) (cast_iv((double)(what)))
1147 #define U_V(what) (cast_uv((double)(what)))
1161 # define TMPPATH "/tmp/perl-eXXXXXX"
1165 Uid_t getuid _((void));
1166 Uid_t geteuid _((void));
1167 Gid_t getgid _((void));
1168 Gid_t getegid _((void));
1172 #ifndef Perl_debug_log
1173 #define Perl_debug_log PerlIO_stderr()
1177 #define DEBUG(a) if (debug) a
1178 #define DEBUG_p(a) if (debug & 1) a
1179 #define DEBUG_s(a) if (debug & 2) a
1180 #define DEBUG_l(a) if (debug & 4) a
1181 #define DEBUG_t(a) if (debug & 8) a
1182 #define DEBUG_o(a) if (debug & 16) a
1183 #define DEBUG_c(a) if (debug & 32) a
1184 #define DEBUG_P(a) if (debug & 64) a
1185 #define DEBUG_m(a) if (curinterp && debug & 128) a
1186 #define DEBUG_f(a) if (debug & 256) a
1187 #define DEBUG_r(a) if (debug & 512) a
1188 #define DEBUG_x(a) if (debug & 1024) a
1189 #define DEBUG_u(a) if (debug & 2048) a
1190 #define DEBUG_L(a) if (debug & 4096) a
1191 #define DEBUG_H(a) if (debug & 8192) a
1192 #define DEBUG_X(a) if (debug & 16384) a
1193 #define DEBUG_D(a) if (debug & 32768) a
1214 #define YYMAXDEPTH 300
1216 #ifndef assert /* <assert.h> might have been included somehow */
1217 #define assert(what) DEB( { \
1219 croak("Assertion failed: file \"%s\", line %d", \
1220 __FILE__, __LINE__); \
1226 I32 (*uf_val)_((IV, SV*));
1227 I32 (*uf_set)_((IV, SV*));
1231 /* Fix these up for __STDC__ */
1232 #ifndef DONT_DECLARE_STD
1233 char *mktemp _((char*));
1234 double atof _((const char*));
1238 /* All of these are in stdlib.h or time.h for ANSI C */
1240 struct tm *gmtime(), *localtime();
1241 char *strchr(), *strrchr();
1242 char *strcpy(), *strcat();
1243 #endif /* ! STANDARD_C */
1252 double exp _((double));
1253 double log _((double));
1254 double log10 _((double));
1255 double sqrt _((double));
1256 double frexp _((double,int*));
1257 double ldexp _((double,int));
1258 double modf _((double,double*));
1259 double sin _((double));
1260 double cos _((double));
1261 double atan2 _((double,double));
1262 double pow _((double,double));
1269 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1270 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1272 char *crypt _((const char*, const char*));
1274 #ifndef DONT_DECLARE_STD
1276 char *getenv _((const char*));
1278 Off_t lseek _((int,Off_t,int));
1280 char *getlogin _((void));
1283 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1284 #define UNLINK unlnk
1285 I32 unlnk _((char*));
1287 #define UNLINK unlink
1290 #ifndef HAS_SETREUID
1291 # ifdef HAS_SETRESUID
1292 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1293 # define HAS_SETREUID
1296 #ifndef HAS_SETREGID
1297 # ifdef HAS_SETRESGID
1298 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1299 # define HAS_SETREGID
1303 typedef Signal_t (*Sighandler_t) _((int));
1305 #ifdef HAS_SIGACTION
1306 typedef struct sigaction Sigsave_t;
1308 typedef Sighandler_t Sigsave_t;
1319 # define PAD_SV(po) pad_sv(po)
1320 # define RUNOPS_DEFAULT runops_debug
1322 # define PAD_SV(po) curpad[po]
1323 # define RUNOPS_DEFAULT runops_standard
1327 * These need prototyping here because <proto.h> isn't
1328 * included until after runops is initialised.
1331 int runops_standard _((void));
1333 int runops_debug _((void));
1341 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1343 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1344 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1345 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1346 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1347 EXT perl_cond eval_cond; /* Condition variable for doeval */
1348 EXT struct thread * eval_owner; /* Owner thread for doeval */
1349 EXT int nthreads; /* Number of threads currently */
1350 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1351 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1353 EXT struct thread * thr; /* Currently executing (fake) thread */
1355 #endif /* USE_THREADS */
1357 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1358 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1359 #ifndef DONT_DECLARE_STD
1360 extern char ** environ; /* environment variables supplied via exec */
1363 # if defined(NeXT) && defined(__DYNAMIC__)
1365 # include <mach-o/dyld.h>
1366 EXT char *** environ_pointer;
1367 # define environ (*environ_pointer)
1369 #endif /* environ processing */
1371 EXT int uid; /* current real user id */
1372 EXT int euid; /* current effective user id */
1373 EXT int gid; /* current real group id */
1374 EXT int egid; /* current effective group id */
1375 EXT bool nomemok; /* let malloc context handle nomem */
1376 EXT U32 an; /* malloc sequence number */
1377 EXT U32 cop_seqmax; /* statement sequence number */
1378 EXT U16 op_seqmax; /* op sequence number */
1379 EXT U32 evalseq; /* eval sequence number */
1380 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1381 EXT char ** origenviron;
1383 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1384 EXT U32 * profiledata;
1385 EXT int maxo INIT(MAXO);/* Number of ops */
1386 EXT char * osname; /* operating system */
1387 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1388 EXT Sighandler_t sighandlerp;
1390 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1391 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1392 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1393 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1394 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1395 EXT HE * he_root; /* free he list--shared by interpreters */
1396 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1397 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1399 /* Stack for currently executing thread--context switch must handle this. */
1400 EXT SV ** stack_base; /* stack->array_ary */
1401 EXT SV ** stack_sp; /* stack pointer now */
1402 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1404 /* likewise for these */
1406 #ifdef OP_IN_REGISTER
1407 EXT OP * opsave; /* save current op register across longjmps */
1409 EXT OP * op; /* current op--when not in a global register */
1411 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1412 EXT I32 * scopestack; /* blocks we've entered */
1413 EXT I32 scopestack_ix;
1414 EXT I32 scopestack_max;
1416 EXT ANY* savestack; /* to save non-local values on */
1417 EXT I32 savestack_ix;
1418 EXT I32 savestack_max;
1420 EXT OP ** retstack; /* returns we've pushed */
1421 EXT I32 retstack_ix;
1422 EXT I32 retstack_max;
1424 EXT I32 * markstack; /* stackmarks we're remembering */
1425 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1426 EXT I32 * markstack_max; /* stackmarks we're remembering */
1433 EXT char tokenbuf[256];
1434 EXT struct stat statbuf;
1436 EXT struct tms timesbuf;
1438 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1440 /* for tmp use in stupid debuggers */
1445 /* handy constants */
1446 EXTCONST char * Yes INIT("1");
1447 EXTCONST char * No INIT("");
1448 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1449 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1450 EXTCONST char * vert INIT("|");
1452 EXTCONST char warn_uninit[]
1453 INIT("Use of uninitialized value");
1454 EXTCONST char warn_nosemi[]
1455 INIT("Semicolon seems to be missing");
1456 EXTCONST char warn_reserved[]
1457 INIT("Unquoted string \"%s\" may clash with future reserved word");
1458 EXTCONST char warn_nl[]
1459 INIT("Unsuccessful %s on filename containing newline");
1460 EXTCONST char no_wrongref[]
1461 INIT("Can't use %s ref as %s ref");
1462 EXTCONST char no_symref[]
1463 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1464 EXTCONST char no_usym[]
1465 INIT("Can't use an undefined value as %s reference");
1466 EXTCONST char no_aelem[]
1467 INIT("Modification of non-creatable array value attempted, subscript %d");
1468 EXTCONST char no_helem[]
1469 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1470 EXTCONST char no_modify[]
1471 INIT("Modification of a read-only value attempted");
1472 EXTCONST char no_mem[]
1473 INIT("Out of memory!\n");
1474 EXTCONST char no_security[]
1475 INIT("Insecure dependency in %s%s");
1476 EXTCONST char no_sock_func[]
1477 INIT("Unsupported socket function \"%s\" called");
1478 EXTCONST char no_dir_func[]
1479 INIT("Unsupported directory function \"%s\" called");
1480 EXTCONST char no_func[]
1481 INIT("The %s function is unimplemented");
1482 EXTCONST char no_myglob[]
1483 INIT("\"my\" variable %s can't be in a package");
1489 EXT char * cshname INIT(CSH);
1494 EXT char *sig_name[] = { SIG_NAME };
1495 EXT int sig_num[] = { SIG_NUM };
1496 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1497 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1499 EXT char *sig_name[];
1501 EXT SV * psig_ptr[];
1502 EXT SV * psig_name[];
1505 /* fast case folding tables */
1508 EXTCONST unsigned char fold[] = {
1509 0, 1, 2, 3, 4, 5, 6, 7,
1510 8, 9, 10, 11, 12, 13, 14, 15,
1511 16, 17, 18, 19, 20, 21, 22, 23,
1512 24, 25, 26, 27, 28, 29, 30, 31,
1513 32, 33, 34, 35, 36, 37, 38, 39,
1514 40, 41, 42, 43, 44, 45, 46, 47,
1515 48, 49, 50, 51, 52, 53, 54, 55,
1516 56, 57, 58, 59, 60, 61, 62, 63,
1517 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1518 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1519 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1520 'x', 'y', 'z', 91, 92, 93, 94, 95,
1521 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1522 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1523 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1524 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1525 128, 129, 130, 131, 132, 133, 134, 135,
1526 136, 137, 138, 139, 140, 141, 142, 143,
1527 144, 145, 146, 147, 148, 149, 150, 151,
1528 152, 153, 154, 155, 156, 157, 158, 159,
1529 160, 161, 162, 163, 164, 165, 166, 167,
1530 168, 169, 170, 171, 172, 173, 174, 175,
1531 176, 177, 178, 179, 180, 181, 182, 183,
1532 184, 185, 186, 187, 188, 189, 190, 191,
1533 192, 193, 194, 195, 196, 197, 198, 199,
1534 200, 201, 202, 203, 204, 205, 206, 207,
1535 208, 209, 210, 211, 212, 213, 214, 215,
1536 216, 217, 218, 219, 220, 221, 222, 223,
1537 224, 225, 226, 227, 228, 229, 230, 231,
1538 232, 233, 234, 235, 236, 237, 238, 239,
1539 240, 241, 242, 243, 244, 245, 246, 247,
1540 248, 249, 250, 251, 252, 253, 254, 255
1543 EXTCONST unsigned char fold[];
1547 EXT unsigned char fold_locale[] = {
1548 0, 1, 2, 3, 4, 5, 6, 7,
1549 8, 9, 10, 11, 12, 13, 14, 15,
1550 16, 17, 18, 19, 20, 21, 22, 23,
1551 24, 25, 26, 27, 28, 29, 30, 31,
1552 32, 33, 34, 35, 36, 37, 38, 39,
1553 40, 41, 42, 43, 44, 45, 46, 47,
1554 48, 49, 50, 51, 52, 53, 54, 55,
1555 56, 57, 58, 59, 60, 61, 62, 63,
1556 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1557 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1558 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1559 'x', 'y', 'z', 91, 92, 93, 94, 95,
1560 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1561 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1562 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1563 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1564 128, 129, 130, 131, 132, 133, 134, 135,
1565 136, 137, 138, 139, 140, 141, 142, 143,
1566 144, 145, 146, 147, 148, 149, 150, 151,
1567 152, 153, 154, 155, 156, 157, 158, 159,
1568 160, 161, 162, 163, 164, 165, 166, 167,
1569 168, 169, 170, 171, 172, 173, 174, 175,
1570 176, 177, 178, 179, 180, 181, 182, 183,
1571 184, 185, 186, 187, 188, 189, 190, 191,
1572 192, 193, 194, 195, 196, 197, 198, 199,
1573 200, 201, 202, 203, 204, 205, 206, 207,
1574 208, 209, 210, 211, 212, 213, 214, 215,
1575 216, 217, 218, 219, 220, 221, 222, 223,
1576 224, 225, 226, 227, 228, 229, 230, 231,
1577 232, 233, 234, 235, 236, 237, 238, 239,
1578 240, 241, 242, 243, 244, 245, 246, 247,
1579 248, 249, 250, 251, 252, 253, 254, 255
1582 EXT unsigned char fold_locale[];
1586 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1587 1, 2, 84, 151, 154, 155, 156, 157,
1588 165, 246, 250, 3, 158, 7, 18, 29,
1589 40, 51, 62, 73, 85, 96, 107, 118,
1590 129, 140, 147, 148, 149, 150, 152, 153,
1591 255, 182, 224, 205, 174, 176, 180, 217,
1592 233, 232, 236, 187, 235, 228, 234, 226,
1593 222, 219, 211, 195, 188, 193, 185, 184,
1594 191, 183, 201, 229, 181, 220, 194, 162,
1595 163, 208, 186, 202, 200, 218, 198, 179,
1596 178, 214, 166, 170, 207, 199, 209, 206,
1597 204, 160, 212, 216, 215, 192, 175, 173,
1598 243, 172, 161, 190, 203, 189, 164, 230,
1599 167, 248, 227, 244, 242, 255, 241, 231,
1600 240, 253, 169, 210, 245, 237, 249, 247,
1601 239, 168, 252, 251, 254, 238, 223, 221,
1602 213, 225, 177, 197, 171, 196, 159, 4,
1603 5, 6, 8, 9, 10, 11, 12, 13,
1604 14, 15, 16, 17, 19, 20, 21, 22,
1605 23, 24, 25, 26, 27, 28, 30, 31,
1606 32, 33, 34, 35, 36, 37, 38, 39,
1607 41, 42, 43, 44, 45, 46, 47, 48,
1608 49, 50, 52, 53, 54, 55, 56, 57,
1609 58, 59, 60, 61, 63, 64, 65, 66,
1610 67, 68, 69, 70, 71, 72, 74, 75,
1611 76, 77, 78, 79, 80, 81, 82, 83,
1612 86, 87, 88, 89, 90, 91, 92, 93,
1613 94, 95, 97, 98, 99, 100, 101, 102,
1614 103, 104, 105, 106, 108, 109, 110, 111,
1615 112, 113, 114, 115, 116, 117, 119, 120,
1616 121, 122, 123, 124, 125, 126, 127, 128,
1617 130, 131, 132, 133, 134, 135, 136, 137,
1618 138, 139, 141, 142, 143, 144, 145, 146
1621 EXTCONST unsigned char freq[];
1626 EXTCONST char* block_type[] = {
1635 EXTCONST char* block_type[];
1639 /*****************************************************************************/
1640 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1641 /*****************************************************************************/
1642 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1655 EXT U32 lex_state; /* next token is determined */
1656 EXT U32 lex_defer; /* state after determined token */
1657 EXT expectation lex_expect; /* expect after determined token */
1658 EXT I32 lex_brackets; /* bracket count */
1659 EXT I32 lex_formbrack; /* bracket count at outer format level */
1660 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1661 EXT I32 lex_casemods; /* casemod count */
1662 EXT I32 lex_dojoin; /* doing an array interpolation */
1663 EXT I32 lex_starts; /* how many interps done on level */
1664 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1665 EXT SV * lex_repl; /* runtime replacement from s/// */
1666 EXT OP * lex_op; /* extra info to pass back on op */
1667 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1668 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1669 EXT char * lex_brackstack; /* what kind of brackets to pop */
1670 EXT char * lex_casestack; /* what kind of case mods in effect */
1672 /* What we know when we're in LEX_KNOWNEXT state. */
1673 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1674 EXT I32 nexttype[5]; /* type of next token */
1677 EXT PerlIO * VOL rsfp INIT(Nullfp);
1680 EXT char * oldbufptr;
1681 EXT char * oldoldbufptr;
1683 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1684 EXT AV * rsfp_filters;
1686 EXT I32 multi_start; /* 1st line of multi-line string */
1687 EXT I32 multi_end; /* last line of multi-line string */
1688 EXT I32 multi_open; /* delimiter of said string */
1689 EXT I32 multi_close; /* delimiter of said string */
1692 EXT I32 error_count; /* how many errors so far, max 10 */
1693 EXT I32 subline; /* line this subroutine began on */
1694 EXT SV * subname; /* name of current subroutine */
1696 EXT CV * compcv; /* currently compiling subroutine */
1697 EXT AV * comppad; /* storage for lexically scoped temporaries */
1698 EXT AV * comppad_name; /* variable names for "my" variables */
1699 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1700 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1701 EXT I32 min_intro_pending;/* start of vars to introduce */
1702 EXT I32 max_intro_pending;/* end of vars to introduce */
1703 EXT I32 padix; /* max used index in current "register" pad */
1704 EXT I32 padix_floor; /* how low may inner block reset padix */
1705 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1708 EXT I32 thisexpr; /* name id for nothing_in_common() */
1709 EXT char * last_uni; /* position of last named-unary operator */
1710 EXT char * last_lop; /* position of last list operator */
1711 EXT OPCODE last_lop_op; /* last list operator */
1712 EXT bool in_my; /* we're compiling a "my" declaration */
1713 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1715 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1718 EXT U32 hints; /* various compilation flags */
1720 /* Note: the lowest 8 bits are reserved for
1721 stuffing into op->op_private */
1722 #define HINT_INTEGER 0x00000001
1723 #define HINT_STRICT_REFS 0x00000002
1725 #define HINT_BLOCK_SCOPE 0x00000100
1726 #define HINT_STRICT_SUBS 0x00000200
1727 #define HINT_STRICT_VARS 0x00000400
1728 #define HINT_LOCALE 0x00000800
1730 /**************************************************************************/
1731 /* This regexp stuff is global since it always happens within 1 expr eval */
1732 /**************************************************************************/
1734 EXT char * regprecomp; /* uncompiled string. */
1735 EXT char * regparse; /* Input-scan pointer. */
1736 EXT char * regxend; /* End of input for compile */
1737 EXT I32 regnpar; /* () count. */
1738 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1739 EXT I32 regsize; /* Code size. */
1740 EXT I32 regnaughty; /* How bad is this pattern? */
1741 EXT I32 regsawback; /* Did we see \1, ...? */
1743 EXT char * reginput; /* String-input pointer. */
1744 EXT char * regbol; /* Beginning of input, for ^ check. */
1745 EXT char * regeol; /* End of input, for $ check. */
1746 EXT char ** regstartp; /* Pointer to startp array. */
1747 EXT char ** regendp; /* Ditto for endp. */
1748 EXT U32 * reglastparen; /* Similarly for lastparen. */
1749 EXT char * regtill; /* How far we are required to go. */
1750 EXT U16 regflags; /* are we folding, multilining? */
1751 EXT char regprev; /* char before regbol, \n if none */
1753 EXT bool do_undump; /* -u or dump seen? */
1756 /***********************************************/
1757 /* Global only to current interpreter instance */
1758 /***********************************************/
1763 struct interpreter {
1766 #define IINIT(x) INIT(x)
1769 /* pseudo environmental stuff */
1771 IEXT char ** Iorigargv;
1775 IEXT char * Iorigfilename;
1777 IEXT SV * Iwarnhook;
1778 IEXT SV * Iparsehook;
1780 /* Various states of an input record separator SV (rs, nrs) */
1781 #define RsSNARF(sv) (! SvOK(sv))
1782 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1783 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1788 IEXT char Ipatchlevel[10];
1789 IEXT char ** Ilocalpatches;
1791 IEXT char * Isplitstr IINIT(" ");
1792 IEXT bool Ipreprocess;
1798 IEXT bool Idoswitches;
1800 IEXT bool Idoextract;
1801 IEXT bool Isawampersand; /* must save all match strings */
1802 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1805 IEXT char * Iinplace;
1806 IEXT char * Ie_tmpname;
1807 IEXT PerlIO * Ie_fp;
1809 /* This value may be raised by extensions for testing purposes */
1810 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1812 /* magical thingies */
1813 IEXT Time_t Ibasetime; /* $^T */
1814 IEXT SV * Iformfeed; /* $^L */
1815 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1816 IEXT SV * Irs; /* $/ */
1817 IEXT char * Iofs; /* $, */
1818 IEXT STRLEN Iofslen;
1819 IEXT char * Iors; /* $\ */
1820 IEXT STRLEN Iorslen;
1821 IEXT char * Iofmt; /* $# */
1822 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1823 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1824 IEXT I32 Istatusvalue; /* $? */
1826 IEXT U32 Istatusvalue_vms;
1829 IEXT struct stat Istatcache; /* _ */
1831 IEXT SV * Istatname IINIT(Nullsv);
1833 /* shortcuts to various I/O objects */
1835 IEXT GV * Ilast_in_gv;
1838 IEXT GV * Idefoutgv;
1839 IEXT GV * Iargvoutgv;
1841 /* shortcuts to regexp stuff */
1845 IEXT PMOP * Icurpm; /* what to do \ interps from */
1846 IEXT I32 * Iscreamfirst;
1847 IEXT I32 * Iscreamnext;
1848 IEXT I32 Imaxscream IINIT(-1);
1849 IEXT SV * Ilastscream;
1851 /* shortcuts to misc objects */
1854 /* shortcuts to debugging objects */
1858 IEXT SV * IDBsingle;
1860 IEXT SV * IDBsignal;
1861 IEXT AV * Ilineary; /* lines of script for debugger */
1862 IEXT AV * Idbargs; /* args to call listed by caller function */
1865 IEXT HV * Idefstash; /* main symbol table */
1866 IEXT HV * Icurstash; /* symbol table for current package */
1867 IEXT HV * Idebstash; /* symbol table for perldb package */
1868 IEXT SV * Icurstname; /* name of current package */
1869 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1870 IEXT AV * Iendav; /* names of END subroutines */
1871 IEXT AV * Iinitav; /* names of INIT subroutines */
1872 IEXT HV * Istrtab; /* shared string table */
1874 /* memory management */
1875 IEXT SV ** Itmps_stack;
1876 IEXT I32 Itmps_ix IINIT(-1);
1877 IEXT I32 Itmps_floor IINIT(-1);
1879 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1880 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1881 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1882 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1884 /* funky return mechanisms */
1885 IEXT I32 Ilastspbase;
1887 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1889 /* subprocess state */
1890 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1892 /* internal state */
1893 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1894 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1895 IEXT int Idelaymagic; /* ($<,$>) = ... */
1896 IEXT bool Idirty; /* In the middle of tearing things down? */
1897 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1898 IEXT bool Itainted; /* using variables controlled by $< */
1899 IEXT bool Itainting; /* doing taint checks */
1900 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1904 IEXT I32 Idlmax IINIT(128);
1905 IEXT char * Idebname;
1906 IEXT char * Idebdelim;
1908 /* current interpreter roots */
1910 IEXT OP * Imain_root;
1911 IEXT OP * Imain_start;
1912 IEXT OP * Ieval_root;
1913 IEXT OP * Ieval_start;
1915 /* runtime control stuff */
1916 IEXT COP * VOL Icurcop IINIT(&compiling);
1917 IEXT COP * Icurcopdb IINIT(NULL);
1918 IEXT line_t Icopline IINIT(NOLINE);
1919 IEXT CONTEXT * Icxstack;
1920 IEXT I32 Icxstack_ix IINIT(-1);
1921 IEXT I32 Icxstack_max IINIT(128);
1922 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1923 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1927 IEXT AV * Icurstack; /* THE STACK */
1928 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1930 /* format accumulators */
1931 IEXT SV * Iformtarget;
1932 IEXT SV * Ibodytarget;
1933 IEXT SV * Itoptarget;
1935 /* statics moved here for shared library purposes */
1936 IEXT SV Istrchop; /* return value from chop */
1937 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1938 IEXT int Ilastfd; /* what to preserve mode on */
1939 IEXT char * Ioldname; /* what to preserve mode on */
1940 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1941 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1942 IEXT OP * Isortcop; /* user defined sort routine */
1943 IEXT HV * Isortstash; /* which is in some package or other */
1944 IEXT GV * Ifirstgv; /* $a */
1945 IEXT GV * Isecondgv; /* $b */
1946 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1947 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1948 IEXT SV * Imystrk; /* temp key string for do_each() */
1949 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1950 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1951 IEXT I32 Igensym; /* next symbol for getsym() to define */
1952 IEXT bool Ipreambled;
1953 IEXT AV * Ipreambleav;
1954 IEXT int Ilaststatval IINIT(-1);
1955 IEXT I32 Ilaststype IINIT(OP_STAT);
1964 struct interpreter {
1979 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1980 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1982 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1983 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1990 /* The following must follow proto.h */
1994 EXT MGVTBL vtbl_sv = {magic_get,
1998 EXT MGVTBL vtbl_env = {0, 0, 0, magic_clear_all_env,
2000 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2003 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2004 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2008 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2010 EXT MGVTBL vtbl_packelem = {magic_getpack,
2014 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2016 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2018 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2020 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2023 EXT MGVTBL vtbl_glob = {magic_getglob,
2026 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2028 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2030 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2032 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2034 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2036 EXT MGVTBL vtbl_pos = {magic_getpos,
2039 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2041 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2043 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2047 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2048 #endif /* USE_THREADS */
2049 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2050 0, 0, magic_freedefelem};
2052 #ifdef USE_LOCALE_COLLATE
2053 EXT MGVTBL vtbl_collxfrm = {0,
2059 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2060 0, 0, magic_setamagic};
2061 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2062 0, 0, magic_setamagic};
2063 #endif /* OVERLOAD */
2068 EXT MGVTBL vtbl_env;
2069 EXT MGVTBL vtbl_envelem;
2070 EXT MGVTBL vtbl_sig;
2071 EXT MGVTBL vtbl_sigelem;
2072 EXT MGVTBL vtbl_pack;
2073 EXT MGVTBL vtbl_packelem;
2074 EXT MGVTBL vtbl_dbline;
2075 EXT MGVTBL vtbl_isa;
2076 EXT MGVTBL vtbl_isaelem;
2077 EXT MGVTBL vtbl_arylen;
2078 EXT MGVTBL vtbl_glob;
2079 EXT MGVTBL vtbl_mglob;
2080 EXT MGVTBL vtbl_nkeys;
2081 EXT MGVTBL vtbl_taint;
2082 EXT MGVTBL vtbl_substr;
2083 EXT MGVTBL vtbl_vec;
2084 EXT MGVTBL vtbl_pos;
2087 EXT MGVTBL vtbl_uvar;
2090 EXT MGVTBL vtbl_mutex;
2091 #endif /* USE_THREADS */
2093 EXT MGVTBL vtbl_defelem;
2095 #ifdef USE_LOCALE_COLLATE
2096 EXT MGVTBL vtbl_collxfrm;
2100 EXT MGVTBL vtbl_amagic;
2101 EXT MGVTBL vtbl_amagicelem;
2102 #endif /* OVERLOAD */
2104 #endif /* !DOINIT */
2108 EXT long amagic_generation;
2110 #define NofAMmeth 58
2112 EXTCONST char * AMG_names[NofAMmeth] = {
2113 "fallback", "abs", /* "fallback" should be the first. */
2144 EXTCONST char * AMG_names[NofAMmeth];
2145 #endif /* def INITAMAGIC */
2151 CV* table[NofAMmeth];
2154 struct am_table_short {
2159 typedef struct am_table AMT;
2160 typedef struct am_table_short AMTS;
2162 #define AMGfallNEVER 1
2164 #define AMGfallYES 3
2166 #define AMTf_AMAGIC 1
2167 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2168 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2169 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2172 fallback_amg, abs_amg,
2173 bool__amg, nomethod_amg,
2174 string_amg, numer_amg,
2175 add_amg, add_ass_amg,
2176 subtr_amg, subtr_ass_amg,
2177 mult_amg, mult_ass_amg,
2178 div_amg, div_ass_amg,
2179 mod_amg, mod_ass_amg,
2180 pow_amg, pow_ass_amg,
2181 lshift_amg, lshift_ass_amg,
2182 rshift_amg, rshift_ass_amg,
2183 band_amg, band_ass_amg,
2184 bor_amg, bor_ass_amg,
2185 bxor_amg, bxor_ass_amg,
2198 repeat_amg, repeat_ass_amg,
2199 concat_amg, concat_ass_amg,
2204 * some compilers like to redefine cos et alia as faster
2205 * (and less accurate?) versions called F_cos et cetera (Quidquid
2206 * latine dictum sit, altum viditur.) This trick collides with
2207 * the Perl overloading (amg). The following #defines fool both.
2212 # define F_atan2_amg atan2_amg
2215 # define F_cos_amg cos_amg
2218 # define F_exp_amg exp_amg
2221 # define F_log_amg log_amg
2224 # define F_pow_amg pow_amg
2227 # define F_sin_amg sin_amg
2230 # define F_sqrt_amg sqrt_amg
2232 #endif /* _FASTMATH */
2234 #endif /* OVERLOAD */
2236 #define PERLDB_ALL 0xff
2237 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2238 #define PERLDBf_LINE 0x02 /* Keep line #. */
2239 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2240 #define PERLDBf_INTER 0x08 /* Preserve more data for
2241 later inspections. */
2242 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2243 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2245 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2246 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2247 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2248 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2249 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2250 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2252 #ifdef USE_LOCALE_COLLATE
2253 EXT U32 collation_ix; /* Collation generation index */
2254 EXT char * collation_name; /* Name of current collation */
2255 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2256 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2257 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2258 #endif /* USE_LOCALE_COLLATE */
2260 #ifdef USE_LOCALE_NUMERIC
2262 EXT char * numeric_name; /* Name of current numeric locale */
2263 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2264 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2266 #define SET_NUMERIC_STANDARD() \
2268 if (! numeric_standard) \
2269 perl_set_numeric_standard(); \
2272 #define SET_NUMERIC_LOCAL() \
2274 if (! numeric_local) \
2275 perl_set_numeric_local(); \
2278 #else /* !USE_LOCALE_NUMERIC */
2280 #define SET_NUMERIC_STANDARD() /**/
2281 #define SET_NUMERIC_LOCAL() /**/
2283 #endif /* !USE_LOCALE_NUMERIC */
2285 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2287 * Now we have __attribute__ out of the way
2290 #define printf PerlIO_stdoutf
2294 * nice_chunk and nice_chunk size need to be set
2295 * and queried under the protection of sv_mutex
2297 #define offer_nice_chunk(chunk, chunk_size) do { \
2298 MUTEX_LOCK(&sv_mutex); \
2299 if (!nice_chunk) { \
2300 nice_chunk = (char*)(chunk); \
2301 nice_chunk_size = (chunk_size); \
2303 MUTEX_UNLOCK(&sv_mutex); \
2306 #endif /* Include guard */