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;
886 typedef struct ff FF;
887 typedef struct sv SV;
888 typedef struct av AV;
889 typedef struct hv HV;
890 typedef struct cv CV;
891 typedef struct regexp REGEXP;
892 typedef struct gp GP;
893 typedef struct gv GV;
894 typedef struct io IO;
895 typedef struct context CONTEXT;
896 typedef struct block BLOCK;
898 typedef struct magic MAGIC;
899 typedef struct xrv XRV;
900 typedef struct xpv XPV;
901 typedef struct xpviv XPVIV;
902 typedef struct xpvuv XPVUV;
903 typedef struct xpvnv XPVNV;
904 typedef struct xpvmg XPVMG;
905 typedef struct xpvlv XPVLV;
906 typedef struct xpvav XPVAV;
907 typedef struct xpvhv XPVHV;
908 typedef struct xpvgv XPVGV;
909 typedef struct xpvcv XPVCV;
910 typedef struct xpvbm XPVBM;
911 typedef struct xpvfm XPVFM;
912 typedef struct xpvio XPVIO;
913 typedef struct mgvtbl MGVTBL;
914 typedef union any ANY;
918 typedef I32 (*filter_t) _((int, SV *, int));
919 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
920 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
921 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
934 # include "./plan9/plan9ish.h"
936 # include "unixish.h"
942 # define STATUS_NATIVE statusvalue_vms
943 # define STATUS_NATIVE_EXPORT \
944 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
945 # define STATUS_NATIVE_SET(n) \
947 statusvalue_vms = (n); \
948 if ((I32)statusvalue_vms == -1) \
950 else if (statusvalue_vms & STS$M_SUCCESS) \
952 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
953 statusvalue = 1 << 8; \
955 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
957 # define STATUS_POSIX statusvalue
958 # ifdef VMSISH_STATUS
959 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
961 # define STATUS_CURRENT STATUS_POSIX
963 # define STATUS_POSIX_SET(n) \
966 if (statusvalue != -1) { \
967 statusvalue &= 0xFFFF; \
968 statusvalue_vms = statusvalue ? 44 : 1; \
970 else statusvalue_vms = -1; \
972 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
973 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
975 # define STATUS_NATIVE STATUS_POSIX
976 # define STATUS_NATIVE_EXPORT STATUS_POSIX
977 # define STATUS_NATIVE_SET STATUS_POSIX_SET
978 # define STATUS_POSIX statusvalue
979 # define STATUS_POSIX_SET(n) \
982 if (statusvalue != -1) \
983 statusvalue &= 0xFFFF; \
985 # define STATUS_CURRENT STATUS_POSIX
986 # define STATUS_ALL_SUCCESS (statusvalue = 0)
987 # define STATUS_ALL_FAILURE (statusvalue = 1)
990 /* Some unistd.h's give a prototype for pause() even though
991 HAS_PAUSE ends up undefined. This causes the #define
992 below to be rejected by the compmiler. Sigh.
997 #define Pause() sleep((32767<<16)+32767)
1001 # ifdef IOCPARM_MASK
1002 /* on BSDish systes we're safe */
1003 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1005 /* otherwise guess at what's safe */
1006 # define IOCPARM_LEN(x) 256
1015 void (*any_dptr) _((void*));
1019 #define ARGSproto struct thread *
1021 #define ARGSproto void
1022 #endif /* USE_THREADS */
1024 /* Work around some cygwin32 problems with importing global symbols */
1025 #if defined(CYGWIN32) && defined(DLLIMPORT)
1026 # include "cw32imp.h"
1043 /* work around some libPW problems */
1048 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1052 #if defined(htonl) && !defined(HAS_HTONL)
1055 #if defined(htons) && !defined(HAS_HTONS)
1058 #if defined(ntohl) && !defined(HAS_NTOHL)
1061 #if defined(ntohs) && !defined(HAS_NTOHS)
1065 #if (BYTEORDER & 0xffff) != 0x4321
1071 #define htons my_swap
1072 #define htonl my_htonl
1073 #define ntohs my_swap
1074 #define ntohl my_ntohl
1077 #if (BYTEORDER & 0xffff) == 0x4321
1086 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1089 #if BYTEORDER != 0x1234
1094 # if BYTEORDER == 0x4321
1095 # define vtohl(x) ((((x)&0xFF)<<24) \
1097 +(((x)&0x0000FF00)<<8) \
1098 +(((x)&0x00FF0000)>>8) )
1099 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1100 # define htovl(x) vtohl(x)
1101 # define htovs(x) vtohs(x)
1103 /* otherwise default to functions in util.c */
1107 #define U_S(what) ((U16)(what))
1108 #define U_I(what) ((unsigned int)(what))
1109 #define U_L(what) ((U32)(what))
1114 U32 cast_ulong _((double));
1118 #define U_S(what) ((U16)cast_ulong((double)(what)))
1119 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1120 #define U_L(what) (cast_ulong((double)(what)))
1124 #define I_32(what) ((I32)(what))
1125 #define I_V(what) ((IV)(what))
1126 #define U_V(what) ((UV)(what))
1131 I32 cast_i32 _((double));
1132 IV cast_iv _((double));
1133 UV cast_uv _((double));
1137 #define I_32(what) (cast_i32((double)(what)))
1138 #define I_V(what) (cast_iv((double)(what)))
1139 #define U_V(what) (cast_uv((double)(what)))
1153 # define TMPPATH "/tmp/perl-eXXXXXX"
1157 Uid_t getuid _((void));
1158 Uid_t geteuid _((void));
1159 Gid_t getgid _((void));
1160 Gid_t getegid _((void));
1164 #ifndef Perl_debug_log
1165 #define Perl_debug_log PerlIO_stderr()
1169 #define DEBUG(a) if (debug) a
1170 #define DEBUG_p(a) if (debug & 1) a
1171 #define DEBUG_s(a) if (debug & 2) a
1172 #define DEBUG_l(a) if (debug & 4) a
1173 #define DEBUG_t(a) if (debug & 8) a
1174 #define DEBUG_o(a) if (debug & 16) a
1175 #define DEBUG_c(a) if (debug & 32) a
1176 #define DEBUG_P(a) if (debug & 64) a
1177 #define DEBUG_m(a) if (curinterp && debug & 128) a
1178 #define DEBUG_f(a) if (debug & 256) a
1179 #define DEBUG_r(a) if (debug & 512) a
1180 #define DEBUG_x(a) if (debug & 1024) a
1181 #define DEBUG_u(a) if (debug & 2048) a
1182 #define DEBUG_L(a) if (debug & 4096) a
1183 #define DEBUG_H(a) if (debug & 8192) a
1184 #define DEBUG_X(a) if (debug & 16384) a
1185 #define DEBUG_D(a) if (debug & 32768) a
1206 #define YYMAXDEPTH 300
1208 #ifndef assert /* <assert.h> might have been included somehow */
1209 #define assert(what) DEB( { \
1211 croak("Assertion failed: file \"%s\", line %d", \
1212 __FILE__, __LINE__); \
1218 I32 (*uf_val)_((IV, SV*));
1219 I32 (*uf_set)_((IV, SV*));
1223 /* Fix these up for __STDC__ */
1224 #ifndef DONT_DECLARE_STD
1225 char *mktemp _((char*));
1226 double atof _((const char*));
1230 /* All of these are in stdlib.h or time.h for ANSI C */
1232 struct tm *gmtime(), *localtime();
1233 char *strchr(), *strrchr();
1234 char *strcpy(), *strcat();
1235 #endif /* ! STANDARD_C */
1244 double exp _((double));
1245 double log _((double));
1246 double log10 _((double));
1247 double sqrt _((double));
1248 double frexp _((double,int*));
1249 double ldexp _((double,int));
1250 double modf _((double,double*));
1251 double sin _((double));
1252 double cos _((double));
1253 double atan2 _((double,double));
1254 double pow _((double,double));
1261 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1262 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1264 char *crypt _((const char*, const char*));
1266 #ifndef DONT_DECLARE_STD
1268 char *getenv _((const char*));
1270 Off_t lseek _((int,Off_t,int));
1272 char *getlogin _((void));
1275 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1276 #define UNLINK unlnk
1277 I32 unlnk _((char*));
1279 #define UNLINK unlink
1282 #ifndef HAS_SETREUID
1283 # ifdef HAS_SETRESUID
1284 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1285 # define HAS_SETREUID
1288 #ifndef HAS_SETREGID
1289 # ifdef HAS_SETRESGID
1290 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1291 # define HAS_SETREGID
1295 typedef Signal_t (*Sighandler_t) _((int));
1297 #ifdef HAS_SIGACTION
1298 typedef struct sigaction Sigsave_t;
1300 typedef Sighandler_t Sigsave_t;
1312 # ifndef DEBUGGING_MSTATS
1313 # define DEBUGGING_MSTATS
1316 # define PAD_SV(po) pad_sv(po)
1317 # define RUNOPS_DEFAULT runops_debug
1319 # define PAD_SV(po) curpad[po]
1320 # define RUNOPS_DEFAULT runops_standard
1328 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1330 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1331 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1332 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1333 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1334 EXT perl_cond eval_cond; /* Condition variable for doeval */
1335 EXT struct thread * eval_owner; /* Owner thread for doeval */
1336 EXT int nthreads; /* Number of threads currently */
1337 EXT perl_mutex nthreads_mutex; /* Mutex for nthreads */
1338 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1340 EXT struct thread * thr; /* Currently executing (fake) thread */
1342 #endif /* USE_THREADS */
1344 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1345 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1346 #ifndef DONT_DECLARE_STD
1347 extern char ** environ; /* environment variables supplied via exec */
1350 # if defined(NeXT) && defined(__DYNAMIC__)
1352 # include <mach-o/dyld.h>
1353 EXT char *** environ_pointer;
1354 # define environ (*environ_pointer)
1356 #endif /* environ processing */
1358 EXT int uid; /* current real user id */
1359 EXT int euid; /* current effective user id */
1360 EXT int gid; /* current real group id */
1361 EXT int egid; /* current effective group id */
1362 EXT bool nomemok; /* let malloc context handle nomem */
1363 EXT U32 an; /* malloc sequence number */
1364 EXT U32 cop_seqmax; /* statement sequence number */
1365 EXT U16 op_seqmax; /* op sequence number */
1366 EXT U32 evalseq; /* eval sequence number */
1367 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1368 EXT char ** origenviron;
1370 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1371 EXT U32 * profiledata;
1372 EXT int maxo INIT(MAXO);/* Number of ops */
1373 EXT char * osname; /* operating system */
1374 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1376 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1377 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1378 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1379 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1380 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1381 EXT HE * he_root; /* free he list--shared by interpreters */
1382 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1383 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1385 /* Stack for currently executing thread--context switch must handle this. */
1386 EXT SV ** stack_base; /* stack->array_ary */
1387 EXT SV ** stack_sp; /* stack pointer now */
1388 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1390 /* likewise for these */
1392 #ifdef OP_IN_REGISTER
1393 EXT OP * opsave; /* save current op register across longjmps */
1395 EXT OP * op; /* current op--when not in a global register */
1397 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1398 EXT I32 * scopestack; /* blocks we've entered */
1399 EXT I32 scopestack_ix;
1400 EXT I32 scopestack_max;
1402 EXT ANY* savestack; /* to save non-local values on */
1403 EXT I32 savestack_ix;
1404 EXT I32 savestack_max;
1406 EXT OP ** retstack; /* returns we've pushed */
1407 EXT I32 retstack_ix;
1408 EXT I32 retstack_max;
1410 EXT I32 * markstack; /* stackmarks we're remembering */
1411 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1412 EXT I32 * markstack_max; /* stackmarks we're remembering */
1419 EXT char tokenbuf[256];
1420 EXT struct stat statbuf;
1422 EXT struct tms timesbuf;
1424 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1426 /* for tmp use in stupid debuggers */
1431 /* handy constants */
1432 EXTCONST char * Yes INIT("1");
1433 EXTCONST char * No INIT("");
1434 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1435 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1436 EXTCONST char * vert INIT("|");
1438 EXTCONST char warn_uninit[]
1439 INIT("Use of uninitialized value");
1440 EXTCONST char warn_nosemi[]
1441 INIT("Semicolon seems to be missing");
1442 EXTCONST char warn_reserved[]
1443 INIT("Unquoted string \"%s\" may clash with future reserved word");
1444 EXTCONST char warn_nl[]
1445 INIT("Unsuccessful %s on filename containing newline");
1446 EXTCONST char no_wrongref[]
1447 INIT("Can't use %s ref as %s ref");
1448 EXTCONST char no_symref[]
1449 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1450 EXTCONST char no_usym[]
1451 INIT("Can't use an undefined value as %s reference");
1452 EXTCONST char no_aelem[]
1453 INIT("Modification of non-creatable array value attempted, subscript %d");
1454 EXTCONST char no_helem[]
1455 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1456 EXTCONST char no_modify[]
1457 INIT("Modification of a read-only value attempted");
1458 EXTCONST char no_mem[]
1459 INIT("Out of memory!\n");
1460 EXTCONST char no_security[]
1461 INIT("Insecure dependency in %s%s");
1462 EXTCONST char no_sock_func[]
1463 INIT("Unsupported socket function \"%s\" called");
1464 EXTCONST char no_dir_func[]
1465 INIT("Unsupported directory function \"%s\" called");
1466 EXTCONST char no_func[]
1467 INIT("The %s function is unimplemented");
1468 EXTCONST char no_myglob[]
1469 INIT("\"my\" variable %s can't be in a package");
1475 EXT char * cshname INIT(CSH);
1480 EXT char *sig_name[] = { SIG_NAME };
1481 EXT int sig_num[] = { SIG_NUM };
1482 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1483 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1485 EXT char *sig_name[];
1487 EXT SV * psig_ptr[];
1488 EXT SV * psig_name[];
1491 /* fast case folding tables */
1494 EXTCONST unsigned char fold[] = {
1495 0, 1, 2, 3, 4, 5, 6, 7,
1496 8, 9, 10, 11, 12, 13, 14, 15,
1497 16, 17, 18, 19, 20, 21, 22, 23,
1498 24, 25, 26, 27, 28, 29, 30, 31,
1499 32, 33, 34, 35, 36, 37, 38, 39,
1500 40, 41, 42, 43, 44, 45, 46, 47,
1501 48, 49, 50, 51, 52, 53, 54, 55,
1502 56, 57, 58, 59, 60, 61, 62, 63,
1503 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1504 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1505 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1506 'x', 'y', 'z', 91, 92, 93, 94, 95,
1507 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1508 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1509 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1510 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1511 128, 129, 130, 131, 132, 133, 134, 135,
1512 136, 137, 138, 139, 140, 141, 142, 143,
1513 144, 145, 146, 147, 148, 149, 150, 151,
1514 152, 153, 154, 155, 156, 157, 158, 159,
1515 160, 161, 162, 163, 164, 165, 166, 167,
1516 168, 169, 170, 171, 172, 173, 174, 175,
1517 176, 177, 178, 179, 180, 181, 182, 183,
1518 184, 185, 186, 187, 188, 189, 190, 191,
1519 192, 193, 194, 195, 196, 197, 198, 199,
1520 200, 201, 202, 203, 204, 205, 206, 207,
1521 208, 209, 210, 211, 212, 213, 214, 215,
1522 216, 217, 218, 219, 220, 221, 222, 223,
1523 224, 225, 226, 227, 228, 229, 230, 231,
1524 232, 233, 234, 235, 236, 237, 238, 239,
1525 240, 241, 242, 243, 244, 245, 246, 247,
1526 248, 249, 250, 251, 252, 253, 254, 255
1529 EXTCONST unsigned char fold[];
1533 EXT unsigned char fold_locale[] = {
1534 0, 1, 2, 3, 4, 5, 6, 7,
1535 8, 9, 10, 11, 12, 13, 14, 15,
1536 16, 17, 18, 19, 20, 21, 22, 23,
1537 24, 25, 26, 27, 28, 29, 30, 31,
1538 32, 33, 34, 35, 36, 37, 38, 39,
1539 40, 41, 42, 43, 44, 45, 46, 47,
1540 48, 49, 50, 51, 52, 53, 54, 55,
1541 56, 57, 58, 59, 60, 61, 62, 63,
1542 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1543 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1544 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1545 'x', 'y', 'z', 91, 92, 93, 94, 95,
1546 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1547 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1548 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1549 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1550 128, 129, 130, 131, 132, 133, 134, 135,
1551 136, 137, 138, 139, 140, 141, 142, 143,
1552 144, 145, 146, 147, 148, 149, 150, 151,
1553 152, 153, 154, 155, 156, 157, 158, 159,
1554 160, 161, 162, 163, 164, 165, 166, 167,
1555 168, 169, 170, 171, 172, 173, 174, 175,
1556 176, 177, 178, 179, 180, 181, 182, 183,
1557 184, 185, 186, 187, 188, 189, 190, 191,
1558 192, 193, 194, 195, 196, 197, 198, 199,
1559 200, 201, 202, 203, 204, 205, 206, 207,
1560 208, 209, 210, 211, 212, 213, 214, 215,
1561 216, 217, 218, 219, 220, 221, 222, 223,
1562 224, 225, 226, 227, 228, 229, 230, 231,
1563 232, 233, 234, 235, 236, 237, 238, 239,
1564 240, 241, 242, 243, 244, 245, 246, 247,
1565 248, 249, 250, 251, 252, 253, 254, 255
1568 EXT unsigned char fold_locale[];
1572 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1573 1, 2, 84, 151, 154, 155, 156, 157,
1574 165, 246, 250, 3, 158, 7, 18, 29,
1575 40, 51, 62, 73, 85, 96, 107, 118,
1576 129, 140, 147, 148, 149, 150, 152, 153,
1577 255, 182, 224, 205, 174, 176, 180, 217,
1578 233, 232, 236, 187, 235, 228, 234, 226,
1579 222, 219, 211, 195, 188, 193, 185, 184,
1580 191, 183, 201, 229, 181, 220, 194, 162,
1581 163, 208, 186, 202, 200, 218, 198, 179,
1582 178, 214, 166, 170, 207, 199, 209, 206,
1583 204, 160, 212, 216, 215, 192, 175, 173,
1584 243, 172, 161, 190, 203, 189, 164, 230,
1585 167, 248, 227, 244, 242, 255, 241, 231,
1586 240, 253, 169, 210, 245, 237, 249, 247,
1587 239, 168, 252, 251, 254, 238, 223, 221,
1588 213, 225, 177, 197, 171, 196, 159, 4,
1589 5, 6, 8, 9, 10, 11, 12, 13,
1590 14, 15, 16, 17, 19, 20, 21, 22,
1591 23, 24, 25, 26, 27, 28, 30, 31,
1592 32, 33, 34, 35, 36, 37, 38, 39,
1593 41, 42, 43, 44, 45, 46, 47, 48,
1594 49, 50, 52, 53, 54, 55, 56, 57,
1595 58, 59, 60, 61, 63, 64, 65, 66,
1596 67, 68, 69, 70, 71, 72, 74, 75,
1597 76, 77, 78, 79, 80, 81, 82, 83,
1598 86, 87, 88, 89, 90, 91, 92, 93,
1599 94, 95, 97, 98, 99, 100, 101, 102,
1600 103, 104, 105, 106, 108, 109, 110, 111,
1601 112, 113, 114, 115, 116, 117, 119, 120,
1602 121, 122, 123, 124, 125, 126, 127, 128,
1603 130, 131, 132, 133, 134, 135, 136, 137,
1604 138, 139, 141, 142, 143, 144, 145, 146
1607 EXTCONST unsigned char freq[];
1612 EXTCONST char* block_type[] = {
1621 EXTCONST char* block_type[];
1625 /*****************************************************************************/
1626 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1627 /*****************************************************************************/
1628 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1641 EXT U32 lex_state; /* next token is determined */
1642 EXT U32 lex_defer; /* state after determined token */
1643 EXT expectation lex_expect; /* expect after determined token */
1644 EXT I32 lex_brackets; /* bracket count */
1645 EXT I32 lex_formbrack; /* bracket count at outer format level */
1646 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1647 EXT I32 lex_casemods; /* casemod count */
1648 EXT I32 lex_dojoin; /* doing an array interpolation */
1649 EXT I32 lex_starts; /* how many interps done on level */
1650 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1651 EXT SV * lex_repl; /* runtime replacement from s/// */
1652 EXT OP * lex_op; /* extra info to pass back on op */
1653 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1654 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1655 EXT char * lex_brackstack; /* what kind of brackets to pop */
1656 EXT char * lex_casestack; /* what kind of case mods in effect */
1658 /* What we know when we're in LEX_KNOWNEXT state. */
1659 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1660 EXT I32 nexttype[5]; /* type of next token */
1663 EXT PerlIO * VOL rsfp INIT(Nullfp);
1666 EXT char * oldbufptr;
1667 EXT char * oldoldbufptr;
1669 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1670 EXT AV * rsfp_filters;
1672 EXT I32 multi_start; /* 1st line of multi-line string */
1673 EXT I32 multi_end; /* last line of multi-line string */
1674 EXT I32 multi_open; /* delimiter of said string */
1675 EXT I32 multi_close; /* delimiter of said string */
1678 EXT I32 error_count; /* how many errors so far, max 10 */
1679 EXT I32 subline; /* line this subroutine began on */
1680 EXT SV * subname; /* name of current subroutine */
1682 EXT CV * compcv; /* currently compiling subroutine */
1683 EXT AV * comppad; /* storage for lexically scoped temporaries */
1684 EXT AV * comppad_name; /* variable names for "my" variables */
1685 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1686 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1687 EXT I32 min_intro_pending;/* start of vars to introduce */
1688 EXT I32 max_intro_pending;/* end of vars to introduce */
1689 EXT I32 padix; /* max used index in current "register" pad */
1690 EXT I32 padix_floor; /* how low may inner block reset padix */
1691 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1694 EXT I32 thisexpr; /* name id for nothing_in_common() */
1695 EXT char * last_uni; /* position of last named-unary operator */
1696 EXT char * last_lop; /* position of last list operator */
1697 EXT OPCODE last_lop_op; /* last list operator */
1698 EXT bool in_my; /* we're compiling a "my" declaration */
1699 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1701 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1704 EXT U32 hints; /* various compilation flags */
1706 /* Note: the lowest 8 bits are reserved for
1707 stuffing into op->op_private */
1708 #define HINT_INTEGER 0x00000001
1709 #define HINT_STRICT_REFS 0x00000002
1711 #define HINT_BLOCK_SCOPE 0x00000100
1712 #define HINT_STRICT_SUBS 0x00000200
1713 #define HINT_STRICT_VARS 0x00000400
1714 #define HINT_LOCALE 0x00000800
1716 /**************************************************************************/
1717 /* This regexp stuff is global since it always happens within 1 expr eval */
1718 /**************************************************************************/
1720 EXT char * regprecomp; /* uncompiled string. */
1721 EXT char * regparse; /* Input-scan pointer. */
1722 EXT char * regxend; /* End of input for compile */
1723 EXT I32 regnpar; /* () count. */
1724 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1725 EXT I32 regsize; /* Code size. */
1726 EXT I32 regnaughty; /* How bad is this pattern? */
1727 EXT I32 regsawback; /* Did we see \1, ...? */
1729 EXT char * reginput; /* String-input pointer. */
1730 EXT char * regbol; /* Beginning of input, for ^ check. */
1731 EXT char * regeol; /* End of input, for $ check. */
1732 EXT char ** regstartp; /* Pointer to startp array. */
1733 EXT char ** regendp; /* Ditto for endp. */
1734 EXT U32 * reglastparen; /* Similarly for lastparen. */
1735 EXT char * regtill; /* How far we are required to go. */
1736 EXT U16 regflags; /* are we folding, multilining? */
1737 EXT char regprev; /* char before regbol, \n if none */
1739 EXT bool do_undump; /* -u or dump seen? */
1742 /***********************************************/
1743 /* Global only to current interpreter instance */
1744 /***********************************************/
1749 struct interpreter {
1752 #define IINIT(x) INIT(x)
1755 /* pseudo environmental stuff */
1757 IEXT char ** Iorigargv;
1761 IEXT char * Iorigfilename;
1763 IEXT SV * Iwarnhook;
1764 IEXT SV * Iparsehook;
1766 /* Various states of an input record separator SV (rs, nrs) */
1767 #define RsSNARF(sv) (! SvOK(sv))
1768 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1769 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1774 IEXT char Ipatchlevel[10];
1775 IEXT char ** Ilocalpatches;
1777 IEXT char * Isplitstr IINIT(" ");
1778 IEXT bool Ipreprocess;
1784 IEXT bool Idoswitches;
1786 IEXT bool Idoextract;
1787 IEXT bool Isawampersand; /* must save all match strings */
1788 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1791 IEXT char * Iinplace;
1792 IEXT char * Ie_tmpname;
1793 IEXT PerlIO * Ie_fp;
1795 /* This value may be raised by extensions for testing purposes */
1796 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1798 /* magical thingies */
1799 IEXT Time_t Ibasetime; /* $^T */
1800 IEXT SV * Iformfeed; /* $^L */
1801 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1802 IEXT SV * Irs; /* $/ */
1803 IEXT char * Iofs; /* $, */
1804 IEXT STRLEN Iofslen;
1805 IEXT char * Iors; /* $\ */
1806 IEXT STRLEN Iorslen;
1807 IEXT char * Iofmt; /* $# */
1808 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1809 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1810 IEXT I32 Istatusvalue; /* $? */
1812 IEXT U32 Istatusvalue_vms;
1815 IEXT struct stat Istatcache; /* _ */
1817 IEXT SV * Istatname IINIT(Nullsv);
1819 /* shortcuts to various I/O objects */
1821 IEXT GV * Ilast_in_gv;
1824 IEXT GV * Idefoutgv;
1825 IEXT GV * Iargvoutgv;
1827 /* shortcuts to regexp stuff */
1831 IEXT PMOP * Icurpm; /* what to do \ interps from */
1832 IEXT I32 * Iscreamfirst;
1833 IEXT I32 * Iscreamnext;
1834 IEXT I32 Imaxscream IINIT(-1);
1835 IEXT SV * Ilastscream;
1837 /* shortcuts to misc objects */
1840 /* shortcuts to debugging objects */
1844 IEXT SV * IDBsingle;
1846 IEXT SV * IDBsignal;
1847 IEXT AV * Ilineary; /* lines of script for debugger */
1848 IEXT AV * Idbargs; /* args to call listed by caller function */
1851 IEXT HV * Idefstash; /* main symbol table */
1852 IEXT HV * Icurstash; /* symbol table for current package */
1853 IEXT HV * Idebstash; /* symbol table for perldb package */
1854 IEXT SV * Icurstname; /* name of current package */
1855 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1856 IEXT AV * Iendav; /* names of END subroutines */
1857 IEXT AV * Iinitav; /* names of INIT subroutines */
1858 IEXT HV * Istrtab; /* shared string table */
1860 /* memory management */
1861 IEXT SV ** Itmps_stack;
1862 IEXT I32 Itmps_ix IINIT(-1);
1863 IEXT I32 Itmps_floor IINIT(-1);
1865 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1866 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1867 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1868 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1870 /* funky return mechanisms */
1871 IEXT I32 Ilastspbase;
1873 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1875 /* subprocess state */
1876 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1878 /* internal state */
1879 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1880 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1881 IEXT int Idelaymagic; /* ($<,$>) = ... */
1882 IEXT bool Idirty; /* In the middle of tearing things down? */
1883 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1884 IEXT bool Itainted; /* using variables controlled by $< */
1885 IEXT bool Itainting; /* doing taint checks */
1886 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1890 IEXT I32 Idlmax IINIT(128);
1891 IEXT char * Idebname;
1892 IEXT char * Idebdelim;
1894 /* current interpreter roots */
1896 IEXT OP * Imain_root;
1897 IEXT OP * Imain_start;
1898 IEXT OP * Ieval_root;
1899 IEXT OP * Ieval_start;
1901 /* runtime control stuff */
1902 IEXT COP * VOL Icurcop IINIT(&compiling);
1903 IEXT COP * Icurcopdb IINIT(NULL);
1904 IEXT line_t Icopline IINIT(NOLINE);
1905 IEXT CONTEXT * Icxstack;
1906 IEXT I32 Icxstack_ix IINIT(-1);
1907 IEXT I32 Icxstack_max IINIT(128);
1908 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1909 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1913 IEXT AV * Icurstack; /* THE STACK */
1914 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1916 IEXT SV ** Imystack_base; /* stack->array_ary */
1917 IEXT SV ** Imystack_sp; /* stack pointer now */
1918 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1921 /* format accumulators */
1922 IEXT SV * Iformtarget;
1923 IEXT SV * Ibodytarget;
1924 IEXT SV * Itoptarget;
1926 /* statics moved here for shared library purposes */
1927 IEXT SV Istrchop; /* return value from chop */
1928 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1929 IEXT int Ilastfd; /* what to preserve mode on */
1930 IEXT char * Ioldname; /* what to preserve mode on */
1931 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1932 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1933 IEXT OP * Isortcop; /* user defined sort routine */
1934 IEXT HV * Isortstash; /* which is in some package or other */
1935 IEXT GV * Ifirstgv; /* $a */
1936 IEXT GV * Isecondgv; /* $b */
1937 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1938 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1939 IEXT SV * Imystrk; /* temp key string for do_each() */
1940 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1941 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1942 IEXT I32 Igensym; /* next symbol for getsym() to define */
1943 IEXT bool Ipreambled;
1944 IEXT AV * Ipreambleav;
1945 IEXT int Ilaststatval IINIT(-1);
1946 IEXT I32 Ilaststype IINIT(OP_STAT);
1955 struct interpreter {
1970 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1971 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1973 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1974 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1981 /* The following must follow proto.h */
1985 EXT MGVTBL vtbl_sv = {magic_get,
1989 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1990 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1993 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1994 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1998 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2000 EXT MGVTBL vtbl_packelem = {magic_getpack,
2004 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2006 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2008 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2010 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2013 EXT MGVTBL vtbl_glob = {magic_getglob,
2016 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2018 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2020 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2022 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2024 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2026 EXT MGVTBL vtbl_pos = {magic_getpos,
2029 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2031 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2033 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2037 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2038 #endif /* USE_THREADS */
2039 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2040 0, 0, magic_freedefelem};
2042 #ifdef USE_LOCALE_COLLATE
2043 EXT MGVTBL vtbl_collxfrm = {0,
2049 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2050 0, 0, magic_setamagic};
2051 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2052 0, 0, magic_setamagic};
2053 #endif /* OVERLOAD */
2058 EXT MGVTBL vtbl_env;
2059 EXT MGVTBL vtbl_envelem;
2060 EXT MGVTBL vtbl_sig;
2061 EXT MGVTBL vtbl_sigelem;
2062 EXT MGVTBL vtbl_pack;
2063 EXT MGVTBL vtbl_packelem;
2064 EXT MGVTBL vtbl_dbline;
2065 EXT MGVTBL vtbl_isa;
2066 EXT MGVTBL vtbl_isaelem;
2067 EXT MGVTBL vtbl_arylen;
2068 EXT MGVTBL vtbl_glob;
2069 EXT MGVTBL vtbl_mglob;
2070 EXT MGVTBL vtbl_nkeys;
2071 EXT MGVTBL vtbl_taint;
2072 EXT MGVTBL vtbl_substr;
2073 EXT MGVTBL vtbl_vec;
2074 EXT MGVTBL vtbl_pos;
2077 EXT MGVTBL vtbl_uvar;
2080 EXT MGVTBL vtbl_mutex;
2081 #endif /* USE_THREADS */
2083 EXT MGVTBL vtbl_defelem;
2085 #ifdef USE_LOCALE_COLLATE
2086 EXT MGVTBL vtbl_collxfrm;
2090 EXT MGVTBL vtbl_amagic;
2091 EXT MGVTBL vtbl_amagicelem;
2092 #endif /* OVERLOAD */
2094 #endif /* !DOINIT */
2098 EXT long amagic_generation;
2100 #define NofAMmeth 58
2102 EXTCONST char * AMG_names[NofAMmeth] = {
2103 "fallback", "abs", /* "fallback" should be the first. */
2134 EXTCONST char * AMG_names[NofAMmeth];
2135 #endif /* def INITAMAGIC */
2141 CV* table[NofAMmeth];
2144 struct am_table_short {
2149 typedef struct am_table AMT;
2150 typedef struct am_table_short AMTS;
2152 #define AMGfallNEVER 1
2154 #define AMGfallYES 3
2156 #define AMTf_AMAGIC 1
2157 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2158 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2159 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2162 fallback_amg, abs_amg,
2163 bool__amg, nomethod_amg,
2164 string_amg, numer_amg,
2165 add_amg, add_ass_amg,
2166 subtr_amg, subtr_ass_amg,
2167 mult_amg, mult_ass_amg,
2168 div_amg, div_ass_amg,
2169 mod_amg, mod_ass_amg,
2170 pow_amg, pow_ass_amg,
2171 lshift_amg, lshift_ass_amg,
2172 rshift_amg, rshift_ass_amg,
2173 band_amg, band_ass_amg,
2174 bor_amg, bor_ass_amg,
2175 bxor_amg, bxor_ass_amg,
2188 repeat_amg, repeat_ass_amg,
2189 concat_amg, concat_ass_amg,
2194 * some compilers like to redefine cos et alia as faster
2195 * (and less accurate?) versions called F_cos et cetera (Quidquid
2196 * latine dictum sit, altum viditur.) This trick collides with
2197 * the Perl overloading (amg). The following #defines fool both.
2202 # define F_atan2_amg atan2_amg
2205 # define F_cos_amg cos_amg
2208 # define F_exp_amg exp_amg
2211 # define F_log_amg log_amg
2214 # define F_pow_amg pow_amg
2217 # define F_sin_amg sin_amg
2220 # define F_sqrt_amg sqrt_amg
2222 #endif /* _FASTMATH */
2224 #endif /* OVERLOAD */
2226 #ifdef USE_LOCALE_COLLATE
2227 EXT U32 collation_ix; /* Collation generation index */
2228 EXT char * collation_name; /* Name of current collation */
2229 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2230 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2231 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2232 #endif /* USE_LOCALE_COLLATE */
2234 #ifdef USE_LOCALE_NUMERIC
2236 EXT char * numeric_name; /* Name of current numeric locale */
2237 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2238 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2240 #define SET_NUMERIC_STANDARD() \
2242 if (! numeric_standard) \
2243 perl_set_numeric_standard(); \
2246 #define SET_NUMERIC_LOCAL() \
2248 if (! numeric_local) \
2249 perl_set_numeric_local(); \
2252 #else /* !USE_LOCALE_NUMERIC */
2254 #define SET_NUMERIC_STANDARD() /**/
2255 #define SET_NUMERIC_LOCAL() /**/
2257 #endif /* !USE_LOCALE_NUMERIC */
2259 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2261 * Now we have __attribute__ out of the way
2264 #define printf PerlIO_stdoutf
2267 #endif /* Include guard */