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 */
36 # define START_EXTERN_C extern "C" {
37 # define END_EXTERN_C }
38 # define EXTERN_C extern "C"
40 # define START_EXTERN_C
47 # define stringify_immed(s) #s
48 # define stringify(s) stringify_immed(s)
49 register struct op *op asm(stringify(OP_IN_REGISTER));
54 * STMT_START { statements; } STMT_END;
55 * can be used as a single statement, as in
56 * if (x) STMT_START { ... } STMT_END; else ...
58 * Trying to select a version that gives no warnings...
60 #if !(defined(STMT_START) && defined(STMT_END))
61 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
62 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
65 /* Now which other defined()s do we need here ??? */
66 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
67 # define STMT_START if (1)
68 # define STMT_END else (void)0
70 # define STMT_START do
71 # define STMT_END while (0)
78 #define WITH_THR(s) do { dTHR; s; } while (0)
81 * SOFT_CAST can be used for args to prototyped functions to retain some
82 * type checking; it only casts if the compiler does not know prototypes.
84 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
85 #define SOFT_CAST(type)
87 #define SOFT_CAST(type) (type)
91 # define BYTEORDER 0x1234
94 /* Overall memory policy? */
100 * The following contortions are brought to you on behalf of all the
101 * standards, semi-standards, de facto standards, not-so-de-facto standards
102 * of the world, as well as all the other botches anyone ever thought of.
103 * The basic theory is that if we work hard enough here, the rest of the
104 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
107 /* define this once if either system, instead of cluttering up the src */
108 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
112 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
113 # define STANDARD_C 1
116 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi)
117 # define DONT_DECLARE_STD 1
120 #if defined(HASVOLATILE) || defined(STANDARD_C)
122 # define VOL // to temporarily suppress warnings
124 # define VOL volatile
130 #define TAINT (tainted = TRUE)
131 #define TAINT_NOT (tainted = FALSE)
132 #define TAINT_IF(c) if (c) { tainted = TRUE; }
133 #define TAINT_ENV() if (tainting) { taint_env(); }
134 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
136 /* XXX All process group stuff is handled in pp_sys.c. Should these
137 defines move there? If so, I could simplify this a lot. --AD 9/96.
139 /* Process group stuff changed from traditional BSD to POSIX.
140 perlfunc.pod documents the traditional BSD-style syntax, so we'll
141 try to preserve that, if possible.
144 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
146 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
147 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
149 # ifdef HAS_SETPGRP2 /* DG/UX */
150 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
154 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
155 # define HAS_SETPGRP /* Well, effectively it does . . . */
158 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
159 our life easier :-) so we'll try it.
162 # define BSD_GETPGRP(pid) getpgid((pid))
164 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
165 # define BSD_GETPGRP(pid) getpgrp((pid))
167 # ifdef HAS_GETPGRP2 /* DG/UX */
168 # define BSD_GETPGRP(pid) getpgrp2((pid))
172 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
173 # define HAS_GETPGRP /* Well, effectively it does . . . */
176 /* These are not exact synonyms, since setpgrp() and getpgrp() may
177 have different behaviors, but perl.h used to define USE_BSDPGRP
178 (prior to 5.003_05) so some extension might depend on it.
180 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
186 #ifndef _TYPES_ /* If types.h defines this it's easy. */
187 # ifndef major /* Does everyone's types.h define this? */
188 # include <sys/types.h>
202 # include <varargs.h>
208 #ifdef USE_NEXT_CTYPE
210 #if NX_CURRENT_COMPILER_RELEASE >= 400
211 #include <objc/NXCType.h>
212 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
213 #include <appkit/NXCType.h>
214 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
216 #else /* !USE_NEXT_CTYPE */
218 #endif /* USE_NEXT_CTYPE */
220 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
228 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
230 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
231 && defined(HAS_STRXFRM)
232 # define USE_LOCALE_COLLATE
234 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
235 # define USE_LOCALE_CTYPE
237 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
238 # define USE_LOCALE_NUMERIC
240 #endif /* !NO_LOCALE && HAS_SETLOCALE */
245 # ifdef PARAM_NEEDS_TYPES
246 # include <sys/types.h>
248 # include <sys/param.h>
252 /* Use all the "standard" definitions? */
253 #if defined(STANDARD_C) && defined(I_STDLIB)
257 /* This comes after <stdlib.h> so we don't try to change the standard
258 * library prototypes; we'll use our own in proto.h instead. */
263 # define malloc Mymalloc
264 # define calloc Mycalloc
265 # define realloc Myremalloc
268 # ifdef EMBEDMYMALLOC
269 # define malloc Perl_malloc
270 # define calloc Perl_calloc
271 # define realloc Perl_realloc
272 # define free Perl_free
279 # define safemalloc malloc
280 # define safecalloc calloc
281 # define saferealloc realloc
282 # define safefree free
284 #endif /* MYMALLOC */
286 #define MEM_SIZE Size_t
288 #if defined(STANDARD_C) && defined(I_STDDEF)
290 # define STRUCT_OFFSET(s,m) offsetof(s,m)
292 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
295 #if defined(I_STRING) || defined(__cplusplus)
298 # include <strings.h>
301 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
303 #define strrchr rindex
311 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
313 extern char * memcpy _((char*, char*, int));
319 # define memcpy(d,s,l) bcopy(s,d,l)
321 # define memcpy(d,s,l) my_bcopy(s,d,l)
324 #endif /* HAS_MEMCPY */
327 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
329 extern char *memset _((char*, int, int));
333 # define memset(d,c,l) my_memset(d,c,l)
334 #endif /* HAS_MEMSET */
336 #if !defined(HAS_MEMMOVE) && !defined(memmove)
337 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
338 # define memmove(d,s,l) bcopy(s,d,l)
340 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
341 # define memmove(d,s,l) memcpy(d,s,l)
343 # define memmove(d,s,l) my_bcopy(s,d,l)
348 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
352 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
353 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
355 extern int memcmp _((char*, char*, int));
359 # pragma function(memcmp)
363 # define memcmp my_memcmp
365 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
369 # define memzero(d,l) memset(d,0,l)
372 # define memzero(d,l) bzero(d,l)
374 # define memzero(d,l) my_bzero(d,l)
381 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
383 #endif /* !HAS_BCMP */
386 # include <netinet/in.h>
389 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
390 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
391 * (the neo-BSD seem to do this). */
396 # include <sys/stat.h>
399 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
400 like UTekV) are broken, sometimes giving false positives. Undefine
401 them here and let the code below set them to proper values.
403 The ghs macro stands for GreenHills Software C-1.8.5 which
404 is the C compiler for sysV88 and the various derivatives.
405 This header file bug is corrected in gcc-2.5.8 and later versions.
406 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
408 #if defined(uts) || (defined(m88k) && defined(ghs))
422 # ifdef I_SYS_TIME_KERNEL
425 # include <sys/time.h>
426 # ifdef I_SYS_TIME_KERNEL
431 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
432 # include <sys/times.h>
435 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
441 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
443 #endif /* !HAS_MKFIFO */
448 # include <net/errno.h>
453 # define SETERRNO(errcode,vmserrcode) \
455 set_errno(errcode); \
456 set_vaxc_errno(vmserrcode); \
459 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
463 # define ERRSV (thr->errsv)
464 # define ERRHV (thr->errhv)
466 # define ERRSV GvSV(errgv)
467 # define ERRHV GvHV(errgv)
468 #endif /* USE_THREADS */
471 extern int errno; /* ANSI allows errno to be an lvalue expr */
476 char *strerror _((int,...));
478 #ifndef DONT_DECLARE_STD
479 char *strerror _((int));
483 # define Strerror strerror
486 # ifdef HAS_SYS_ERRLIST
488 extern char *sys_errlist[];
490 # define Strerror(e) \
491 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
498 # include <sys/ioctl.h>
502 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
503 # ifdef HAS_SOCKETPAIR
504 # undef HAS_SOCKETPAIR
519 /* Configure already sets Direntry_t */
520 #if defined(I_DIRENT)
522 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
523 # include <sys/dir.h>
527 # include <sys/ndir.h>
531 # include <ndir.h> /* may be wrong in the future */
533 # include <sys/dir.h>
540 /* work around botch in SunOS 4.0.1 and 4.0.2 */
542 # define fputs(sv,fp) fprintf(fp,"%s",sv)
547 * The following gobbledygook brought to you on behalf of __STDC__.
548 * (I could just use #ifndef __STDC__, but this is more bulletproof
549 * in the face of half-implementations.)
554 # define S_IFMT _S_IFMT
556 # define S_IFMT 0170000
561 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
565 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
570 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
572 # define S_ISBLK(m) (0)
577 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
582 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
584 # define S_ISFIFO(m) (0)
590 # define S_ISLNK(m) _S_ISLNK(m)
593 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
596 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
598 # define S_ISLNK(m) (0)
606 # define S_ISSOCK(m) _S_ISSOCK(m)
609 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
612 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
614 # define S_ISSOCK(m) (0)
622 # define S_IRUSR S_IREAD
623 # define S_IWUSR S_IWRITE
624 # define S_IXUSR S_IEXEC
626 # define S_IRUSR 0400
627 # define S_IWUSR 0200
628 # define S_IXUSR 0100
630 # define S_IRGRP (S_IRUSR>>3)
631 # define S_IWGRP (S_IWUSR>>3)
632 # define S_IXGRP (S_IXUSR>>3)
633 # define S_IROTH (S_IRUSR>>6)
634 # define S_IWOTH (S_IWUSR>>6)
635 # define S_IXOTH (S_IXUSR>>6)
639 # define S_ISUID 04000
643 # define S_ISGID 02000
650 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
651 # define SLOPPYDIVIDE
658 /* XXX QUAD stuff is not currently supported on most systems.
659 Specifically, perl internals don't support long long. Among
660 the many problems is that some compilers support long long,
661 but the underlying library functions (such as sprintf) don't.
662 Some things do work (such as quad pack/unpack on convex);
663 also some systems use long long for the fpos_t typedef. That
666 The IV type is supposed to be long enough to hold any integral
668 --Andy Dougherty August 1996
675 # define Quad_t long long
677 # if BYTEORDER > 0xFFFF
686 typedef unsigned Quad_t UV;
687 # define IV_MAX PERL_QUAD_MAX
688 # define IV_MIN PERL_QUAD_MIN
689 # define UV_MAX PERL_UQUAD_MAX
690 # define UV_MIN PERL_UQUAD_MIN
693 typedef unsigned long UV;
694 # define IV_MAX PERL_LONG_MAX
695 # define IV_MIN PERL_LONG_MIN
696 # define UV_MAX PERL_ULONG_MAX
697 # define UV_MIN PERL_ULONG_MIN
700 /* Previously these definitions used hardcoded figures.
701 * It is hoped these formula are more portable, although
702 * no data one way or another is presently known to me.
703 * The "PERL_" names are used because these calculated constants
704 * do not meet the ANSI requirements for LONG_MAX, etc., which
705 * need to be constants acceptable to #if - kja
706 * define PERL_LONG_MAX 2147483647L
707 * define PERL_LONG_MIN (-LONG_MAX - 1)
708 * define PERL ULONG_MAX 4294967295L
711 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
720 * Try to figure out max and min values for the integral types. THE CORRECT
721 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
722 * following hacks are used if neither limits.h or values.h provide them:
723 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
724 * for types < int: (unsigned TYPE)~(unsigned)0
725 * The argument to ~ must be unsigned so that later signed->unsigned
726 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
727 * and it must not be smaller than int because ~ does integral promotion.
728 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
729 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
730 * The latter is a hack which happens to work on some machines but
731 * does *not* catch any random system, or things like integer types
732 * with NaN if that is possible.
734 * All of the types are explicitly cast to prevent accidental loss of
735 * numeric range, and in the hope that they will be less likely to confuse
736 * over-eager optimizers.
740 #define PERL_UCHAR_MIN ((unsigned char)0)
743 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
746 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
748 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
753 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
754 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
755 * depending on local options. Until Configure detects this (or at least
756 * detects whether the "signed" keyword is available) the CHAR ranges
757 * will not be included. UCHAR functions normally.
761 #define PERL_USHORT_MIN ((unsigned short)0)
764 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
767 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
769 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
774 # define PERL_SHORT_MAX ((short)SHORT_MAX)
776 # ifdef MAXSHORT /* Often used in <values.h> */
777 # define PERL_SHORT_MAX ((short)MAXSHORT)
779 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
784 # define PERL_SHORT_MIN ((short)SHORT_MIN)
787 # define PERL_SHORT_MIN ((short)MINSHORT)
789 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
794 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
797 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
799 # define PERL_UINT_MAX (~(unsigned int)0)
803 #define PERL_UINT_MIN ((unsigned int)0)
806 # define PERL_INT_MAX ((int)INT_MAX)
808 # ifdef MAXINT /* Often used in <values.h> */
809 # define PERL_INT_MAX ((int)MAXINT)
811 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
816 # define PERL_INT_MIN ((int)INT_MIN)
819 # define PERL_INT_MIN ((int)MININT)
821 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
826 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
829 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
831 # define PERL_ULONG_MAX (~(unsigned long)0)
835 #define PERL_ULONG_MIN ((unsigned long)0L)
838 # define PERL_LONG_MAX ((long)LONG_MAX)
840 # ifdef MAXLONG /* Often used in <values.h> */
841 # define PERL_LONG_MAX ((long)MAXLONG)
843 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
848 # define PERL_LONG_MIN ((long)LONG_MIN)
851 # define PERL_LONG_MIN ((long)MINLONG)
853 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
860 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
862 # define PERL_UQUAD_MAX (~(UV)0)
865 # define PERL_UQUAD_MIN ((UV)0)
868 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
870 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
874 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
876 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
881 typedef MEM_SIZE STRLEN;
883 typedef struct op OP;
884 typedef struct cop COP;
885 typedef struct unop UNOP;
886 typedef struct binop BINOP;
887 typedef struct listop LISTOP;
888 typedef struct logop LOGOP;
889 typedef struct condop CONDOP;
890 typedef struct pmop PMOP;
891 typedef struct svop SVOP;
892 typedef struct gvop GVOP;
893 typedef struct pvop PVOP;
894 typedef struct loop LOOP;
896 typedef struct Outrec Outrec;
897 typedef struct interpreter PerlInterpreter;
899 typedef struct ff FF; /* XXX not defined anywhere, should go? */
901 typedef struct sv SV;
902 typedef struct av AV;
903 typedef struct hv HV;
904 typedef struct cv CV;
905 typedef struct regexp REGEXP;
906 typedef struct gp GP;
907 typedef struct gv GV;
908 typedef struct io IO;
909 typedef struct context PERL_CONTEXT;
910 typedef struct block BLOCK;
912 typedef struct magic MAGIC;
913 typedef struct xrv XRV;
914 typedef struct xpv XPV;
915 typedef struct xpviv XPVIV;
916 typedef struct xpvuv XPVUV;
917 typedef struct xpvnv XPVNV;
918 typedef struct xpvmg XPVMG;
919 typedef struct xpvlv XPVLV;
920 typedef struct xpvav XPVAV;
921 typedef struct xpvhv XPVHV;
922 typedef struct xpvgv XPVGV;
923 typedef struct xpvcv XPVCV;
924 typedef struct xpvbm XPVBM;
925 typedef struct xpvfm XPVFM;
926 typedef struct xpvio XPVIO;
927 typedef struct mgvtbl MGVTBL;
928 typedef union any ANY;
932 typedef I32 (*filter_t) _((int, SV *, int));
933 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
934 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
935 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
948 # include "./plan9/plan9ish.h"
950 # include "unixish.h"
956 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
957 * which defines NSIG - which will stop inclusion of <signal.h>
958 * this results in many functions being undeclared which bothers C++
959 * May make sense to have threads after "*ish.h" anyway
964 # include "fakethr.h"
967 # include <win32thread.h>
969 # include <pthread.h>
970 typedef pthread_mutex_t perl_mutex;
971 typedef pthread_cond_t perl_cond;
972 typedef pthread_key_t perl_key;
974 # endif /* FAKE_THREADS */
975 #endif /* USE_THREADS */
980 # define STATUS_NATIVE statusvalue_vms
981 # define STATUS_NATIVE_EXPORT \
982 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
983 # define STATUS_NATIVE_SET(n) \
985 statusvalue_vms = (n); \
986 if ((I32)statusvalue_vms == -1) \
988 else if (statusvalue_vms & STS$M_SUCCESS) \
990 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
991 statusvalue = 1 << 8; \
993 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
995 # define STATUS_POSIX statusvalue
996 # ifdef VMSISH_STATUS
997 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
999 # define STATUS_CURRENT STATUS_POSIX
1001 # define STATUS_POSIX_SET(n) \
1003 statusvalue = (n); \
1004 if (statusvalue != -1) { \
1005 statusvalue &= 0xFFFF; \
1006 statusvalue_vms = statusvalue ? 44 : 1; \
1008 else statusvalue_vms = -1; \
1010 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1011 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1013 # define STATUS_NATIVE STATUS_POSIX
1014 # define STATUS_NATIVE_EXPORT STATUS_POSIX
1015 # define STATUS_NATIVE_SET STATUS_POSIX_SET
1016 # define STATUS_POSIX statusvalue
1017 # define STATUS_POSIX_SET(n) \
1019 statusvalue = (n); \
1020 if (statusvalue != -1) \
1021 statusvalue &= 0xFFFF; \
1023 # define STATUS_CURRENT STATUS_POSIX
1024 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1025 # define STATUS_ALL_FAILURE (statusvalue = 1)
1028 /* Some unistd.h's give a prototype for pause() even though
1029 HAS_PAUSE ends up undefined. This causes the #define
1030 below to be rejected by the compmiler. Sigh.
1035 #define Pause() sleep((32767<<16)+32767)
1039 # ifdef IOCPARM_MASK
1040 /* on BSDish systes we're safe */
1041 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1043 /* otherwise guess at what's safe */
1044 # define IOCPARM_LEN(x) 256
1053 void (*any_dptr) _((void*));
1057 #define ARGSproto struct thread *thr
1059 #define ARGSproto void
1060 #endif /* USE_THREADS */
1062 /* Work around some cygwin32 problems with importing global symbols */
1063 #if defined(CYGWIN32) && defined(DLLIMPORT)
1064 # include "cw32imp.h"
1081 /* work around some libPW problems */
1086 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1090 #if defined(htonl) && !defined(HAS_HTONL)
1093 #if defined(htons) && !defined(HAS_HTONS)
1096 #if defined(ntohl) && !defined(HAS_NTOHL)
1099 #if defined(ntohs) && !defined(HAS_NTOHS)
1103 #if (BYTEORDER & 0xffff) != 0x4321
1109 #define htons my_swap
1110 #define htonl my_htonl
1111 #define ntohs my_swap
1112 #define ntohl my_ntohl
1115 #if (BYTEORDER & 0xffff) == 0x4321
1124 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1127 #if BYTEORDER != 0x1234
1132 # if BYTEORDER == 0x4321
1133 # define vtohl(x) ((((x)&0xFF)<<24) \
1135 +(((x)&0x0000FF00)<<8) \
1136 +(((x)&0x00FF0000)>>8) )
1137 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1138 # define htovl(x) vtohl(x)
1139 # define htovs(x) vtohs(x)
1141 /* otherwise default to functions in util.c */
1145 #define U_S(what) ((U16)(what))
1146 #define U_I(what) ((unsigned int)(what))
1147 #define U_L(what) ((U32)(what))
1149 EXTERN_C U32 cast_ulong _((double));
1150 #define U_S(what) ((U16)cast_ulong((double)(what)))
1151 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1152 #define U_L(what) (cast_ulong((double)(what)))
1156 #define I_32(what) ((I32)(what))
1157 #define I_V(what) ((IV)(what))
1158 #define U_V(what) ((UV)(what))
1161 I32 cast_i32 _((double));
1162 IV cast_iv _((double));
1163 UV cast_uv _((double));
1165 #define I_32(what) (cast_i32((double)(what)))
1166 #define I_V(what) (cast_iv((double)(what)))
1167 #define U_V(what) (cast_uv((double)(what)))
1181 # define TMPPATH "/tmp/perl-eXXXXXX"
1185 Uid_t getuid _((void));
1186 Uid_t geteuid _((void));
1187 Gid_t getgid _((void));
1188 Gid_t getegid _((void));
1192 #ifndef Perl_debug_log
1193 #define Perl_debug_log PerlIO_stderr()
1197 #define DEBUG(a) if (debug) a
1198 #define DEBUG_p(a) if (debug & 1) a
1199 #define DEBUG_s(a) if (debug & 2) a
1200 #define DEBUG_l(a) if (debug & 4) a
1201 #define DEBUG_t(a) if (debug & 8) a
1202 #define DEBUG_o(a) if (debug & 16) a
1203 #define DEBUG_c(a) if (debug & 32) a
1204 #define DEBUG_P(a) if (debug & 64) a
1205 #define DEBUG_m(a) if (curinterp && debug & 128) a
1206 #define DEBUG_f(a) if (debug & 256) a
1207 #define DEBUG_r(a) if (debug & 512) a
1208 #define DEBUG_x(a) if (debug & 1024) a
1209 #define DEBUG_u(a) if (debug & 2048) a
1210 #define DEBUG_L(a) if (debug & 4096) a
1211 #define DEBUG_H(a) if (debug & 8192) a
1212 #define DEBUG_X(a) if (debug & 16384) a
1213 #define DEBUG_D(a) if (debug & 32768) a
1234 #define YYMAXDEPTH 300
1236 #ifndef assert /* <assert.h> might have been included somehow */
1237 #define assert(what) DEB( { \
1239 croak("Assertion failed: file \"%s\", line %d", \
1240 __FILE__, __LINE__); \
1246 I32 (*uf_val)_((IV, SV*));
1247 I32 (*uf_set)_((IV, SV*));
1251 /* Fix these up for __STDC__ */
1252 #ifndef DONT_DECLARE_STD
1253 char *mktemp _((char*));
1254 double atof _((const char*));
1258 /* All of these are in stdlib.h or time.h for ANSI C */
1260 struct tm *gmtime(), *localtime();
1261 char *strchr(), *strrchr();
1262 char *strcpy(), *strcat();
1263 #endif /* ! STANDARD_C */
1270 double exp _((double));
1271 double log _((double));
1272 double log10 _((double));
1273 double sqrt _((double));
1274 double frexp _((double,int*));
1275 double ldexp _((double,int));
1276 double modf _((double,double*));
1277 double sin _((double));
1278 double cos _((double));
1279 double atan2 _((double,double));
1280 double pow _((double,double));
1285 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1286 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1288 char *crypt _((const char*, const char*));
1290 #ifndef DONT_DECLARE_STD
1292 char *getenv _((const char*));
1294 Off_t lseek _((int,Off_t,int));
1296 char *getlogin _((void));
1299 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1300 #define UNLINK unlnk
1301 I32 unlnk _((char*));
1303 #define UNLINK unlink
1306 #ifndef HAS_SETREUID
1307 # ifdef HAS_SETRESUID
1308 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1309 # define HAS_SETREUID
1312 #ifndef HAS_SETREGID
1313 # ifdef HAS_SETRESGID
1314 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1315 # define HAS_SETREGID
1319 typedef Signal_t (*Sighandler_t) _((int));
1321 #ifdef HAS_SIGACTION
1322 typedef struct sigaction Sigsave_t;
1324 typedef Sighandler_t Sigsave_t;
1335 # define PAD_SV(po) pad_sv(po)
1336 # define RUNOPS_DEFAULT runops_debug
1338 # define PAD_SV(po) curpad[po]
1339 # define RUNOPS_DEFAULT runops_standard
1343 * These need prototyping here because <proto.h> isn't
1344 * included until after runops is initialised.
1347 int runops_standard _((void));
1349 int runops_debug _((void));
1352 #define PER_THREAD_MAGICALS "123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1359 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1361 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1362 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1363 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1364 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1365 EXT perl_cond eval_cond; /* Condition variable for doeval */
1366 EXT struct thread * eval_owner; /* Owner thread for doeval */
1367 EXT int nthreads; /* Number of threads currently */
1368 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1369 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1370 EXT char * per_thread_magicals INIT(PER_THREAD_MAGICALS);
1372 EXT struct thread * thr; /* Currently executing (fake) thread */
1374 #endif /* USE_THREADS */
1376 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1377 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1378 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || defined(__sgi)
1379 extern char ** environ; /* environment variables supplied via exec */
1382 # if defined(NeXT) && defined(__DYNAMIC__)
1384 # include <mach-o/dyld.h>
1385 EXT char *** environ_pointer;
1386 # define environ (*environ_pointer)
1388 #endif /* environ processing */
1390 EXT int uid; /* current real user id */
1391 EXT int euid; /* current effective user id */
1392 EXT int gid; /* current real group id */
1393 EXT int egid; /* current effective group id */
1394 EXT bool nomemok; /* let malloc context handle nomem */
1395 EXT U32 an; /* malloc sequence number */
1396 EXT U32 cop_seqmax; /* statement sequence number */
1397 EXT U16 op_seqmax; /* op sequence number */
1398 EXT U32 evalseq; /* eval sequence number */
1399 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1400 EXT char ** origenviron;
1402 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1403 EXT U32 * profiledata;
1404 EXT int maxo INIT(MAXO);/* Number of ops */
1405 EXT char * osname; /* operating system */
1406 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1407 EXT Sighandler_t sighandlerp;
1409 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1410 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1411 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1412 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1413 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1414 EXT HE * he_root; /* free he list--shared by interpreters */
1415 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1416 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1418 /* Stack for currently executing thread--context switch must handle this. */
1419 EXT SV ** stack_base; /* stack->array_ary */
1420 EXT SV ** stack_sp; /* stack pointer now */
1421 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1423 /* likewise for these */
1425 #ifdef OP_IN_REGISTER
1426 EXT OP * opsave; /* save current op register across longjmps */
1428 EXT OP * op; /* current op--when not in a global register */
1430 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1431 EXT I32 * scopestack; /* blocks we've entered */
1432 EXT I32 scopestack_ix;
1433 EXT I32 scopestack_max;
1435 EXT ANY* savestack; /* to save non-local values on */
1436 EXT I32 savestack_ix;
1437 EXT I32 savestack_max;
1439 EXT OP ** retstack; /* returns we've pushed */
1440 EXT I32 retstack_ix;
1441 EXT I32 retstack_max;
1443 EXT I32 * markstack; /* stackmarks we're remembering */
1444 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1445 EXT I32 * markstack_max; /* stackmarks we're remembering */
1452 EXT char tokenbuf[256];
1453 EXT struct stat statbuf;
1455 EXT struct tms timesbuf;
1457 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1459 /* for tmp use in stupid debuggers */
1464 /* handy constants */
1465 EXTCONST char * Yes INIT("1");
1466 EXTCONST char * No INIT("");
1467 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1468 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1469 EXTCONST char * vert INIT("|");
1471 EXTCONST char warn_uninit[]
1472 INIT("Use of uninitialized value");
1473 EXTCONST char warn_nosemi[]
1474 INIT("Semicolon seems to be missing");
1475 EXTCONST char warn_reserved[]
1476 INIT("Unquoted string \"%s\" may clash with future reserved word");
1477 EXTCONST char warn_nl[]
1478 INIT("Unsuccessful %s on filename containing newline");
1479 EXTCONST char no_wrongref[]
1480 INIT("Can't use %s ref as %s ref");
1481 EXTCONST char no_symref[]
1482 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1483 EXTCONST char no_usym[]
1484 INIT("Can't use an undefined value as %s reference");
1485 EXTCONST char no_aelem[]
1486 INIT("Modification of non-creatable array value attempted, subscript %d");
1487 EXTCONST char no_helem[]
1488 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1489 EXTCONST char no_modify[]
1490 INIT("Modification of a read-only value attempted");
1491 EXTCONST char no_mem[]
1492 INIT("Out of memory!\n");
1493 EXTCONST char no_security[]
1494 INIT("Insecure dependency in %s%s");
1495 EXTCONST char no_sock_func[]
1496 INIT("Unsupported socket function \"%s\" called");
1497 EXTCONST char no_dir_func[]
1498 INIT("Unsupported directory function \"%s\" called");
1499 EXTCONST char no_func[]
1500 INIT("The %s function is unimplemented");
1501 EXTCONST char no_myglob[]
1502 INIT("\"my\" variable %s can't be in a package");
1508 EXT char * cshname INIT(CSH);
1513 EXT char *sig_name[] = { SIG_NAME };
1514 EXT int sig_num[] = { SIG_NUM };
1515 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1516 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1518 EXT char *sig_name[];
1520 EXT SV * psig_ptr[];
1521 EXT SV * psig_name[];
1524 /* fast case folding tables */
1527 EXTCONST unsigned char fold[] = {
1528 0, 1, 2, 3, 4, 5, 6, 7,
1529 8, 9, 10, 11, 12, 13, 14, 15,
1530 16, 17, 18, 19, 20, 21, 22, 23,
1531 24, 25, 26, 27, 28, 29, 30, 31,
1532 32, 33, 34, 35, 36, 37, 38, 39,
1533 40, 41, 42, 43, 44, 45, 46, 47,
1534 48, 49, 50, 51, 52, 53, 54, 55,
1535 56, 57, 58, 59, 60, 61, 62, 63,
1536 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1537 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1538 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1539 'x', 'y', 'z', 91, 92, 93, 94, 95,
1540 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1541 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1542 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1543 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1544 128, 129, 130, 131, 132, 133, 134, 135,
1545 136, 137, 138, 139, 140, 141, 142, 143,
1546 144, 145, 146, 147, 148, 149, 150, 151,
1547 152, 153, 154, 155, 156, 157, 158, 159,
1548 160, 161, 162, 163, 164, 165, 166, 167,
1549 168, 169, 170, 171, 172, 173, 174, 175,
1550 176, 177, 178, 179, 180, 181, 182, 183,
1551 184, 185, 186, 187, 188, 189, 190, 191,
1552 192, 193, 194, 195, 196, 197, 198, 199,
1553 200, 201, 202, 203, 204, 205, 206, 207,
1554 208, 209, 210, 211, 212, 213, 214, 215,
1555 216, 217, 218, 219, 220, 221, 222, 223,
1556 224, 225, 226, 227, 228, 229, 230, 231,
1557 232, 233, 234, 235, 236, 237, 238, 239,
1558 240, 241, 242, 243, 244, 245, 246, 247,
1559 248, 249, 250, 251, 252, 253, 254, 255
1562 EXTCONST unsigned char fold[];
1566 EXT unsigned char fold_locale[] = {
1567 0, 1, 2, 3, 4, 5, 6, 7,
1568 8, 9, 10, 11, 12, 13, 14, 15,
1569 16, 17, 18, 19, 20, 21, 22, 23,
1570 24, 25, 26, 27, 28, 29, 30, 31,
1571 32, 33, 34, 35, 36, 37, 38, 39,
1572 40, 41, 42, 43, 44, 45, 46, 47,
1573 48, 49, 50, 51, 52, 53, 54, 55,
1574 56, 57, 58, 59, 60, 61, 62, 63,
1575 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1576 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1577 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1578 'x', 'y', 'z', 91, 92, 93, 94, 95,
1579 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1580 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1581 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1582 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1583 128, 129, 130, 131, 132, 133, 134, 135,
1584 136, 137, 138, 139, 140, 141, 142, 143,
1585 144, 145, 146, 147, 148, 149, 150, 151,
1586 152, 153, 154, 155, 156, 157, 158, 159,
1587 160, 161, 162, 163, 164, 165, 166, 167,
1588 168, 169, 170, 171, 172, 173, 174, 175,
1589 176, 177, 178, 179, 180, 181, 182, 183,
1590 184, 185, 186, 187, 188, 189, 190, 191,
1591 192, 193, 194, 195, 196, 197, 198, 199,
1592 200, 201, 202, 203, 204, 205, 206, 207,
1593 208, 209, 210, 211, 212, 213, 214, 215,
1594 216, 217, 218, 219, 220, 221, 222, 223,
1595 224, 225, 226, 227, 228, 229, 230, 231,
1596 232, 233, 234, 235, 236, 237, 238, 239,
1597 240, 241, 242, 243, 244, 245, 246, 247,
1598 248, 249, 250, 251, 252, 253, 254, 255
1601 EXT unsigned char fold_locale[];
1605 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1606 1, 2, 84, 151, 154, 155, 156, 157,
1607 165, 246, 250, 3, 158, 7, 18, 29,
1608 40, 51, 62, 73, 85, 96, 107, 118,
1609 129, 140, 147, 148, 149, 150, 152, 153,
1610 255, 182, 224, 205, 174, 176, 180, 217,
1611 233, 232, 236, 187, 235, 228, 234, 226,
1612 222, 219, 211, 195, 188, 193, 185, 184,
1613 191, 183, 201, 229, 181, 220, 194, 162,
1614 163, 208, 186, 202, 200, 218, 198, 179,
1615 178, 214, 166, 170, 207, 199, 209, 206,
1616 204, 160, 212, 216, 215, 192, 175, 173,
1617 243, 172, 161, 190, 203, 189, 164, 230,
1618 167, 248, 227, 244, 242, 255, 241, 231,
1619 240, 253, 169, 210, 245, 237, 249, 247,
1620 239, 168, 252, 251, 254, 238, 223, 221,
1621 213, 225, 177, 197, 171, 196, 159, 4,
1622 5, 6, 8, 9, 10, 11, 12, 13,
1623 14, 15, 16, 17, 19, 20, 21, 22,
1624 23, 24, 25, 26, 27, 28, 30, 31,
1625 32, 33, 34, 35, 36, 37, 38, 39,
1626 41, 42, 43, 44, 45, 46, 47, 48,
1627 49, 50, 52, 53, 54, 55, 56, 57,
1628 58, 59, 60, 61, 63, 64, 65, 66,
1629 67, 68, 69, 70, 71, 72, 74, 75,
1630 76, 77, 78, 79, 80, 81, 82, 83,
1631 86, 87, 88, 89, 90, 91, 92, 93,
1632 94, 95, 97, 98, 99, 100, 101, 102,
1633 103, 104, 105, 106, 108, 109, 110, 111,
1634 112, 113, 114, 115, 116, 117, 119, 120,
1635 121, 122, 123, 124, 125, 126, 127, 128,
1636 130, 131, 132, 133, 134, 135, 136, 137,
1637 138, 139, 141, 142, 143, 144, 145, 146
1640 EXTCONST unsigned char freq[];
1645 EXTCONST char* block_type[] = {
1654 EXTCONST char* block_type[];
1658 /*****************************************************************************/
1659 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1660 /*****************************************************************************/
1661 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1665 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1676 EXT U32 lex_state; /* next token is determined */
1677 EXT U32 lex_defer; /* state after determined token */
1678 EXT expectation lex_expect; /* expect after determined token */
1679 EXT I32 lex_brackets; /* bracket count */
1680 EXT I32 lex_formbrack; /* bracket count at outer format level */
1681 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1682 EXT I32 lex_casemods; /* casemod count */
1683 EXT I32 lex_dojoin; /* doing an array interpolation */
1684 EXT I32 lex_starts; /* how many interps done on level */
1685 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1686 EXT SV * lex_repl; /* runtime replacement from s/// */
1687 EXT OP * lex_op; /* extra info to pass back on op */
1688 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1689 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1690 EXT char * lex_brackstack; /* what kind of brackets to pop */
1691 EXT char * lex_casestack; /* what kind of case mods in effect */
1693 /* What we know when we're in LEX_KNOWNEXT state. */
1694 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1695 EXT I32 nexttype[5]; /* type of next token */
1698 EXT PerlIO * VOL rsfp INIT(Nullfp);
1701 EXT char * oldbufptr;
1702 EXT char * oldoldbufptr;
1704 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1705 EXT AV * rsfp_filters;
1707 EXT I32 multi_start; /* 1st line of multi-line string */
1708 EXT I32 multi_end; /* last line of multi-line string */
1709 EXT I32 multi_open; /* delimiter of said string */
1710 EXT I32 multi_close; /* delimiter of said string */
1713 EXT I32 error_count; /* how many errors so far, max 10 */
1714 EXT I32 subline; /* line this subroutine began on */
1715 EXT SV * subname; /* name of current subroutine */
1717 EXT CV * compcv; /* currently compiling subroutine */
1718 EXT AV * comppad; /* storage for lexically scoped temporaries */
1719 EXT AV * comppad_name; /* variable names for "my" variables */
1720 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1721 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1722 EXT I32 min_intro_pending;/* start of vars to introduce */
1723 EXT I32 max_intro_pending;/* end of vars to introduce */
1724 EXT I32 padix; /* max used index in current "register" pad */
1725 EXT I32 padix_floor; /* how low may inner block reset padix */
1726 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1729 EXT I32 thisexpr; /* name id for nothing_in_common() */
1730 EXT char * last_uni; /* position of last named-unary operator */
1731 EXT char * last_lop; /* position of last list operator */
1732 EXT OPCODE last_lop_op; /* last list operator */
1733 EXT bool in_my; /* we're compiling a "my" declaration */
1734 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1736 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1739 EXT U32 hints; /* various compilation flags */
1741 /* Note: the lowest 8 bits are reserved for
1742 stuffing into op->op_private */
1743 #define HINT_INTEGER 0x00000001
1744 #define HINT_STRICT_REFS 0x00000002
1746 #define HINT_BLOCK_SCOPE 0x00000100
1747 #define HINT_STRICT_SUBS 0x00000200
1748 #define HINT_STRICT_VARS 0x00000400
1749 #define HINT_LOCALE 0x00000800
1751 EXT bool do_undump; /* -u or dump seen? */
1754 /***********************************************/
1755 /* Global only to current interpreter instance */
1756 /***********************************************/
1761 struct interpreter {
1764 #define IINIT(x) INIT(x)
1767 /* pseudo environmental stuff */
1769 IEXT char ** Iorigargv;
1773 IEXT char * Iorigfilename;
1775 IEXT SV * Iwarnhook;
1776 IEXT SV * Iparsehook;
1778 /* Various states of an input record separator SV (rs, nrs) */
1779 #define RsSNARF(sv) (! SvOK(sv))
1780 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1781 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1786 IEXT char Ipatchlevel[10];
1787 IEXT char ** Ilocalpatches;
1789 IEXT char * Isplitstr IINIT(" ");
1790 IEXT bool Ipreprocess;
1796 IEXT bool Idoswitches;
1798 IEXT bool Idoextract;
1799 IEXT bool Isawampersand; /* must save all match strings */
1800 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1803 IEXT char * Iinplace;
1804 IEXT char * Ie_tmpname;
1805 IEXT PerlIO * Ie_fp;
1807 /* This value may be raised by extensions for testing purposes */
1808 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1810 /* magical thingies */
1811 IEXT Time_t Ibasetime; /* $^T */
1812 IEXT SV * Iformfeed; /* $^L */
1813 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1814 IEXT SV * Irs; /* $/ */
1815 IEXT char * Iofs; /* $, */
1816 IEXT STRLEN Iofslen;
1817 IEXT char * Iors; /* $\ */
1818 IEXT STRLEN Iorslen;
1819 IEXT char * Iofmt; /* $# */
1820 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1821 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1822 IEXT I32 Istatusvalue; /* $? */
1824 IEXT U32 Istatusvalue_vms;
1827 IEXT struct stat Istatcache; /* _ */
1829 IEXT SV * Istatname IINIT(Nullsv);
1831 /* shortcuts to various I/O objects */
1833 IEXT GV * Ilast_in_gv;
1836 IEXT GV * Idefoutgv;
1837 IEXT GV * Iargvoutgv;
1839 /* shortcuts to regexp stuff */
1843 IEXT PMOP * Icurpm; /* what to do \ interps from */
1844 IEXT I32 * Iscreamfirst;
1845 IEXT I32 * Iscreamnext;
1846 IEXT I32 Imaxscream IINIT(-1);
1847 IEXT SV * Ilastscream;
1849 /* shortcuts to misc objects */
1852 /* shortcuts to debugging objects */
1856 IEXT SV * IDBsingle;
1858 IEXT SV * IDBsignal;
1859 IEXT AV * Ilineary; /* lines of script for debugger */
1860 IEXT AV * Idbargs; /* args to call listed by caller function */
1863 IEXT HV * Idefstash; /* main symbol table */
1864 IEXT HV * Icurstash; /* symbol table for current package */
1865 IEXT HV * Idebstash; /* symbol table for perldb package */
1866 IEXT HV * Iglobalstash; /* global keyword overrides imported here */
1867 IEXT SV * Icurstname; /* name of current package */
1868 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1869 IEXT AV * Iendav; /* names of END subroutines */
1870 IEXT AV * Iinitav; /* names of INIT subroutines */
1871 IEXT HV * Istrtab; /* shared string table */
1873 /* memory management */
1874 IEXT SV ** Itmps_stack;
1875 IEXT I32 Itmps_ix IINIT(-1);
1876 IEXT I32 Itmps_floor IINIT(-1);
1878 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1879 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1880 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1881 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1883 /* funky return mechanisms */
1884 IEXT I32 Ilastspbase;
1886 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1888 /* subprocess state */
1889 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1891 /* internal state */
1892 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1893 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1894 IEXT int Idelaymagic; /* ($<,$>) = ... */
1895 IEXT bool Idirty; /* In the middle of tearing things down? */
1896 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1897 IEXT bool Itainted; /* using variables controlled by $< */
1898 IEXT bool Itainting; /* doing taint checks */
1899 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1903 IEXT I32 Idlmax IINIT(128);
1904 IEXT char * Idebname;
1905 IEXT char * Idebdelim;
1907 /* current interpreter roots */
1909 IEXT OP * Imain_root;
1910 IEXT OP * Imain_start;
1911 IEXT OP * Ieval_root;
1912 IEXT OP * Ieval_start;
1914 /* runtime control stuff */
1915 IEXT COP * VOL Icurcop IINIT(&compiling);
1916 IEXT COP * Icurcopdb IINIT(NULL);
1917 IEXT line_t Icopline IINIT(NOLINE);
1918 IEXT PERL_CONTEXT * Icxstack;
1919 IEXT I32 Icxstack_ix IINIT(-1);
1920 IEXT I32 Icxstack_max IINIT(128);
1921 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1922 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1925 IEXT AV * Icurstack; /* THE STACK */
1926 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1928 /* format accumulators */
1929 IEXT SV * Iformtarget;
1930 IEXT SV * Ibodytarget;
1931 IEXT SV * Itoptarget;
1933 /* statics moved here for shared library purposes */
1934 IEXT SV Istrchop; /* return value from chop */
1935 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1936 IEXT int Ilastfd; /* what to preserve mode on */
1937 IEXT char * Ioldname; /* what to preserve mode on */
1938 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1939 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1940 IEXT OP * Isortcop; /* user defined sort routine */
1941 IEXT HV * Isortstash; /* which is in some package or other */
1942 IEXT GV * Ifirstgv; /* $a */
1943 IEXT GV * Isecondgv; /* $b */
1944 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1945 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1946 IEXT SV * Imystrk; /* temp key string for do_each() */
1947 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1948 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1949 IEXT I32 Igensym; /* next symbol for getsym() to define */
1950 IEXT bool Ipreambled;
1951 IEXT AV * Ipreambleav;
1952 IEXT int Ilaststatval IINIT(-1);
1953 IEXT I32 Ilaststype IINIT(OP_STAT);
1958 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1959 #endif /* USE_THREADS */
1967 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)
1988 /* The following must follow proto.h */
1992 EXT MGVTBL vtbl_sv = {magic_get,
1996 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
1997 0, magic_clear_all_env,
1999 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2002 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2003 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2007 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2009 EXT MGVTBL vtbl_packelem = {magic_getpack,
2013 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2015 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 EXT MGVTBL vtbl_regexp = {0,0,0,0, magic_freeregexp};
2054 #ifdef USE_LOCALE_COLLATE
2055 EXT MGVTBL vtbl_collxfrm = {0,
2061 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2062 0, 0, magic_setamagic};
2063 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2064 0, 0, magic_setamagic};
2065 #endif /* OVERLOAD */
2070 EXT MGVTBL vtbl_env;
2071 EXT MGVTBL vtbl_envelem;
2072 EXT MGVTBL vtbl_sig;
2073 EXT MGVTBL vtbl_sigelem;
2074 EXT MGVTBL vtbl_pack;
2075 EXT MGVTBL vtbl_packelem;
2076 EXT MGVTBL vtbl_dbline;
2077 EXT MGVTBL vtbl_isa;
2078 EXT MGVTBL vtbl_isaelem;
2079 EXT MGVTBL vtbl_arylen;
2080 EXT MGVTBL vtbl_glob;
2081 EXT MGVTBL vtbl_mglob;
2082 EXT MGVTBL vtbl_nkeys;
2083 EXT MGVTBL vtbl_taint;
2084 EXT MGVTBL vtbl_substr;
2085 EXT MGVTBL vtbl_vec;
2086 EXT MGVTBL vtbl_pos;
2089 EXT MGVTBL vtbl_uvar;
2092 EXT MGVTBL vtbl_mutex;
2093 #endif /* USE_THREADS */
2095 EXT MGVTBL vtbl_defelem;
2096 EXT MGVTBL vtbl_regexp;
2098 #ifdef USE_LOCALE_COLLATE
2099 EXT MGVTBL vtbl_collxfrm;
2103 EXT MGVTBL vtbl_amagic;
2104 EXT MGVTBL vtbl_amagicelem;
2105 #endif /* OVERLOAD */
2107 #endif /* !DOINIT */
2111 EXT long amagic_generation;
2113 #define NofAMmeth 58
2115 EXTCONST char * AMG_names[NofAMmeth] = {
2116 "fallback", "abs", /* "fallback" should be the first. */
2147 EXTCONST char * AMG_names[NofAMmeth];
2148 #endif /* def INITAMAGIC */
2154 CV* table[NofAMmeth];
2157 struct am_table_short {
2162 typedef struct am_table AMT;
2163 typedef struct am_table_short AMTS;
2165 #define AMGfallNEVER 1
2167 #define AMGfallYES 3
2169 #define AMTf_AMAGIC 1
2170 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2171 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2172 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2175 fallback_amg, abs_amg,
2176 bool__amg, nomethod_amg,
2177 string_amg, numer_amg,
2178 add_amg, add_ass_amg,
2179 subtr_amg, subtr_ass_amg,
2180 mult_amg, mult_ass_amg,
2181 div_amg, div_ass_amg,
2182 mod_amg, mod_ass_amg,
2183 pow_amg, pow_ass_amg,
2184 lshift_amg, lshift_ass_amg,
2185 rshift_amg, rshift_ass_amg,
2186 band_amg, band_ass_amg,
2187 bor_amg, bor_ass_amg,
2188 bxor_amg, bxor_ass_amg,
2201 repeat_amg, repeat_ass_amg,
2202 concat_amg, concat_ass_amg,
2207 * some compilers like to redefine cos et alia as faster
2208 * (and less accurate?) versions called F_cos et cetera (Quidquid
2209 * latine dictum sit, altum viditur.) This trick collides with
2210 * the Perl overloading (amg). The following #defines fool both.
2215 # define F_atan2_amg atan2_amg
2218 # define F_cos_amg cos_amg
2221 # define F_exp_amg exp_amg
2224 # define F_log_amg log_amg
2227 # define F_pow_amg pow_amg
2230 # define F_sin_amg sin_amg
2233 # define F_sqrt_amg sqrt_amg
2235 #endif /* _FASTMATH */
2237 #endif /* OVERLOAD */
2239 #define PERLDB_ALL 0xff
2240 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2241 #define PERLDBf_LINE 0x02 /* Keep line #. */
2242 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2243 #define PERLDBf_INTER 0x08 /* Preserve more data for
2244 later inspections. */
2245 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2246 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2248 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2249 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2250 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2251 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2252 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2253 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2255 #ifdef USE_LOCALE_COLLATE
2256 EXT U32 collation_ix; /* Collation generation index */
2257 EXT char * collation_name; /* Name of current collation */
2258 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2259 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2260 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2261 #endif /* USE_LOCALE_COLLATE */
2263 #ifdef USE_LOCALE_NUMERIC
2265 EXT char * numeric_name; /* Name of current numeric locale */
2266 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2267 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2269 #define SET_NUMERIC_STANDARD() \
2271 if (! numeric_standard) \
2272 perl_set_numeric_standard(); \
2275 #define SET_NUMERIC_LOCAL() \
2277 if (! numeric_local) \
2278 perl_set_numeric_local(); \
2281 #else /* !USE_LOCALE_NUMERIC */
2283 #define SET_NUMERIC_STANDARD() /**/
2284 #define SET_NUMERIC_LOCAL() /**/
2286 #endif /* !USE_LOCALE_NUMERIC */
2288 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2290 * Now we have __attribute__ out of the way
2293 #define printf PerlIO_stdoutf
2296 #ifndef PERL_SCRIPT_MODE
2297 #define PERL_SCRIPT_MODE "r"
2301 * nice_chunk and nice_chunk size need to be set
2302 * and queried under the protection of sv_mutex
2304 #define offer_nice_chunk(chunk, chunk_size) do { \
2305 MUTEX_LOCK(&sv_mutex); \
2306 if (!nice_chunk) { \
2307 nice_chunk = (char*)(chunk); \
2308 nice_chunk_size = (chunk_size); \
2310 MUTEX_UNLOCK(&sv_mutex); \
2313 #endif /* Include guard */