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)
465 # define DEFSV *av_fetch(thr->threadsv, find_threadsv("_"), FALSE)
466 # define SAVE_DEFSV save_threadsv(find_threadsv("_"))
468 # define ERRSV GvSV(errgv)
469 # define ERRHV GvHV(errgv)
470 # define DEFSV GvSV(defgv)
471 # define SAVE_DEFSV SAVESPTR(GvSV(defgv))
472 #endif /* USE_THREADS */
475 extern int errno; /* ANSI allows errno to be an lvalue expr */
480 char *strerror _((int,...));
482 #ifndef DONT_DECLARE_STD
483 char *strerror _((int));
487 # define Strerror strerror
490 # ifdef HAS_SYS_ERRLIST
492 extern char *sys_errlist[];
494 # define Strerror(e) \
495 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
502 # include <sys/ioctl.h>
506 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
507 # ifdef HAS_SOCKETPAIR
508 # undef HAS_SOCKETPAIR
523 /* Configure already sets Direntry_t */
524 #if defined(I_DIRENT)
526 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
527 # include <sys/dir.h>
531 # include <sys/ndir.h>
535 # include <ndir.h> /* may be wrong in the future */
537 # include <sys/dir.h>
544 /* work around botch in SunOS 4.0.1 and 4.0.2 */
546 # define fputs(sv,fp) fprintf(fp,"%s",sv)
551 * The following gobbledygook brought to you on behalf of __STDC__.
552 * (I could just use #ifndef __STDC__, but this is more bulletproof
553 * in the face of half-implementations.)
558 # define S_IFMT _S_IFMT
560 # define S_IFMT 0170000
565 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
569 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
574 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
576 # define S_ISBLK(m) (0)
581 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
586 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
588 # define S_ISFIFO(m) (0)
594 # define S_ISLNK(m) _S_ISLNK(m)
597 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
600 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
602 # define S_ISLNK(m) (0)
610 # define S_ISSOCK(m) _S_ISSOCK(m)
613 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
616 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
618 # define S_ISSOCK(m) (0)
626 # define S_IRUSR S_IREAD
627 # define S_IWUSR S_IWRITE
628 # define S_IXUSR S_IEXEC
630 # define S_IRUSR 0400
631 # define S_IWUSR 0200
632 # define S_IXUSR 0100
634 # define S_IRGRP (S_IRUSR>>3)
635 # define S_IWGRP (S_IWUSR>>3)
636 # define S_IXGRP (S_IXUSR>>3)
637 # define S_IROTH (S_IRUSR>>6)
638 # define S_IWOTH (S_IWUSR>>6)
639 # define S_IXOTH (S_IXUSR>>6)
643 # define S_ISUID 04000
647 # define S_ISGID 02000
654 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
655 # define SLOPPYDIVIDE
662 /* XXX QUAD stuff is not currently supported on most systems.
663 Specifically, perl internals don't support long long. Among
664 the many problems is that some compilers support long long,
665 but the underlying library functions (such as sprintf) don't.
666 Some things do work (such as quad pack/unpack on convex);
667 also some systems use long long for the fpos_t typedef. That
670 The IV type is supposed to be long enough to hold any integral
672 --Andy Dougherty August 1996
679 # define Quad_t long long
681 # if BYTEORDER > 0xFFFF
690 typedef unsigned Quad_t UV;
691 # define IV_MAX PERL_QUAD_MAX
692 # define IV_MIN PERL_QUAD_MIN
693 # define UV_MAX PERL_UQUAD_MAX
694 # define UV_MIN PERL_UQUAD_MIN
697 typedef unsigned long UV;
698 # define IV_MAX PERL_LONG_MAX
699 # define IV_MIN PERL_LONG_MIN
700 # define UV_MAX PERL_ULONG_MAX
701 # define UV_MIN PERL_ULONG_MIN
704 /* Previously these definitions used hardcoded figures.
705 * It is hoped these formula are more portable, although
706 * no data one way or another is presently known to me.
707 * The "PERL_" names are used because these calculated constants
708 * do not meet the ANSI requirements for LONG_MAX, etc., which
709 * need to be constants acceptable to #if - kja
710 * define PERL_LONG_MAX 2147483647L
711 * define PERL_LONG_MIN (-LONG_MAX - 1)
712 * define PERL ULONG_MAX 4294967295L
715 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
724 * Try to figure out max and min values for the integral types. THE CORRECT
725 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
726 * following hacks are used if neither limits.h or values.h provide them:
727 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
728 * for types < int: (unsigned TYPE)~(unsigned)0
729 * The argument to ~ must be unsigned so that later signed->unsigned
730 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
731 * and it must not be smaller than int because ~ does integral promotion.
732 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
733 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
734 * The latter is a hack which happens to work on some machines but
735 * does *not* catch any random system, or things like integer types
736 * with NaN if that is possible.
738 * All of the types are explicitly cast to prevent accidental loss of
739 * numeric range, and in the hope that they will be less likely to confuse
740 * over-eager optimizers.
744 #define PERL_UCHAR_MIN ((unsigned char)0)
747 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
750 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
752 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
757 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
758 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
759 * depending on local options. Until Configure detects this (or at least
760 * detects whether the "signed" keyword is available) the CHAR ranges
761 * will not be included. UCHAR functions normally.
765 #define PERL_USHORT_MIN ((unsigned short)0)
768 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
771 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
773 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
778 # define PERL_SHORT_MAX ((short)SHORT_MAX)
780 # ifdef MAXSHORT /* Often used in <values.h> */
781 # define PERL_SHORT_MAX ((short)MAXSHORT)
783 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
788 # define PERL_SHORT_MIN ((short)SHORT_MIN)
791 # define PERL_SHORT_MIN ((short)MINSHORT)
793 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
798 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
801 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
803 # define PERL_UINT_MAX (~(unsigned int)0)
807 #define PERL_UINT_MIN ((unsigned int)0)
810 # define PERL_INT_MAX ((int)INT_MAX)
812 # ifdef MAXINT /* Often used in <values.h> */
813 # define PERL_INT_MAX ((int)MAXINT)
815 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
820 # define PERL_INT_MIN ((int)INT_MIN)
823 # define PERL_INT_MIN ((int)MININT)
825 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
830 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
833 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
835 # define PERL_ULONG_MAX (~(unsigned long)0)
839 #define PERL_ULONG_MIN ((unsigned long)0L)
842 # define PERL_LONG_MAX ((long)LONG_MAX)
844 # ifdef MAXLONG /* Often used in <values.h> */
845 # define PERL_LONG_MAX ((long)MAXLONG)
847 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
852 # define PERL_LONG_MIN ((long)LONG_MIN)
855 # define PERL_LONG_MIN ((long)MINLONG)
857 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
864 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
866 # define PERL_UQUAD_MAX (~(UV)0)
869 # define PERL_UQUAD_MIN ((UV)0)
872 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
874 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
878 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
880 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
885 typedef MEM_SIZE STRLEN;
887 typedef struct op OP;
888 typedef struct cop COP;
889 typedef struct unop UNOP;
890 typedef struct binop BINOP;
891 typedef struct listop LISTOP;
892 typedef struct logop LOGOP;
893 typedef struct condop CONDOP;
894 typedef struct pmop PMOP;
895 typedef struct svop SVOP;
896 typedef struct gvop GVOP;
897 typedef struct pvop PVOP;
898 typedef struct loop LOOP;
900 typedef struct Outrec Outrec;
901 typedef struct interpreter PerlInterpreter;
903 typedef struct ff FF; /* XXX not defined anywhere, should go? */
905 typedef struct sv SV;
906 typedef struct av AV;
907 typedef struct hv HV;
908 typedef struct cv CV;
909 typedef struct regexp REGEXP;
910 typedef struct gp GP;
911 typedef struct gv GV;
912 typedef struct io IO;
913 typedef struct context PERL_CONTEXT;
914 typedef struct block BLOCK;
916 typedef struct magic MAGIC;
917 typedef struct xrv XRV;
918 typedef struct xpv XPV;
919 typedef struct xpviv XPVIV;
920 typedef struct xpvuv XPVUV;
921 typedef struct xpvnv XPVNV;
922 typedef struct xpvmg XPVMG;
923 typedef struct xpvlv XPVLV;
924 typedef struct xpvav XPVAV;
925 typedef struct xpvhv XPVHV;
926 typedef struct xpvgv XPVGV;
927 typedef struct xpvcv XPVCV;
928 typedef struct xpvbm XPVBM;
929 typedef struct xpvfm XPVFM;
930 typedef struct xpvio XPVIO;
931 typedef struct mgvtbl MGVTBL;
932 typedef union any ANY;
936 typedef I32 (*filter_t) _((int, SV *, int));
937 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
938 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
939 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
952 # include "./plan9/plan9ish.h"
954 # include "unixish.h"
960 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
961 * which defines NSIG - which will stop inclusion of <signal.h>
962 * this results in many functions being undeclared which bothers C++
963 * May make sense to have threads after "*ish.h" anyway
968 # include "fakethr.h"
971 # include <win32thread.h>
973 # include <pthread.h>
974 typedef pthread_mutex_t perl_mutex;
975 typedef pthread_cond_t perl_cond;
976 typedef pthread_key_t perl_key;
978 # endif /* FAKE_THREADS */
979 #endif /* USE_THREADS */
984 # define STATUS_NATIVE statusvalue_vms
985 # define STATUS_NATIVE_EXPORT \
986 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
987 # define STATUS_NATIVE_SET(n) \
989 statusvalue_vms = (n); \
990 if ((I32)statusvalue_vms == -1) \
992 else if (statusvalue_vms & STS$M_SUCCESS) \
994 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
995 statusvalue = 1 << 8; \
997 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
999 # define STATUS_POSIX statusvalue
1000 # ifdef VMSISH_STATUS
1001 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1003 # define STATUS_CURRENT STATUS_POSIX
1005 # define STATUS_POSIX_SET(n) \
1007 statusvalue = (n); \
1008 if (statusvalue != -1) { \
1009 statusvalue &= 0xFFFF; \
1010 statusvalue_vms = statusvalue ? 44 : 1; \
1012 else statusvalue_vms = -1; \
1014 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1015 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1017 # define STATUS_NATIVE STATUS_POSIX
1018 # define STATUS_NATIVE_EXPORT STATUS_POSIX
1019 # define STATUS_NATIVE_SET STATUS_POSIX_SET
1020 # define STATUS_POSIX statusvalue
1021 # define STATUS_POSIX_SET(n) \
1023 statusvalue = (n); \
1024 if (statusvalue != -1) \
1025 statusvalue &= 0xFFFF; \
1027 # define STATUS_CURRENT STATUS_POSIX
1028 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1029 # define STATUS_ALL_FAILURE (statusvalue = 1)
1032 /* Some unistd.h's give a prototype for pause() even though
1033 HAS_PAUSE ends up undefined. This causes the #define
1034 below to be rejected by the compmiler. Sigh.
1039 #define Pause() sleep((32767<<16)+32767)
1043 # ifdef IOCPARM_MASK
1044 /* on BSDish systes we're safe */
1045 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1047 /* otherwise guess at what's safe */
1048 # define IOCPARM_LEN(x) 256
1057 void (*any_dptr) _((void*));
1061 #define ARGSproto struct perl_thread *thr
1063 #define ARGSproto void
1064 #endif /* USE_THREADS */
1066 /* Work around some cygwin32 problems with importing global symbols */
1067 #if defined(CYGWIN32) && defined(DLLIMPORT)
1068 # include "cw32imp.h"
1085 /* work around some libPW problems */
1090 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1094 #if defined(htonl) && !defined(HAS_HTONL)
1097 #if defined(htons) && !defined(HAS_HTONS)
1100 #if defined(ntohl) && !defined(HAS_NTOHL)
1103 #if defined(ntohs) && !defined(HAS_NTOHS)
1107 #if (BYTEORDER & 0xffff) != 0x4321
1113 #define htons my_swap
1114 #define htonl my_htonl
1115 #define ntohs my_swap
1116 #define ntohl my_ntohl
1119 #if (BYTEORDER & 0xffff) == 0x4321
1128 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1131 #if BYTEORDER != 0x1234
1136 # if BYTEORDER == 0x4321
1137 # define vtohl(x) ((((x)&0xFF)<<24) \
1139 +(((x)&0x0000FF00)<<8) \
1140 +(((x)&0x00FF0000)>>8) )
1141 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1142 # define htovl(x) vtohl(x)
1143 # define htovs(x) vtohs(x)
1145 /* otherwise default to functions in util.c */
1149 #define U_S(what) ((U16)(what))
1150 #define U_I(what) ((unsigned int)(what))
1151 #define U_L(what) ((U32)(what))
1153 EXTERN_C U32 cast_ulong _((double));
1154 #define U_S(what) ((U16)cast_ulong((double)(what)))
1155 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1156 #define U_L(what) (cast_ulong((double)(what)))
1160 #define I_32(what) ((I32)(what))
1161 #define I_V(what) ((IV)(what))
1162 #define U_V(what) ((UV)(what))
1165 I32 cast_i32 _((double));
1166 IV cast_iv _((double));
1167 UV cast_uv _((double));
1169 #define I_32(what) (cast_i32((double)(what)))
1170 #define I_V(what) (cast_iv((double)(what)))
1171 #define U_V(what) (cast_uv((double)(what)))
1185 # define TMPPATH "/tmp/perl-eXXXXXX"
1189 Uid_t getuid _((void));
1190 Uid_t geteuid _((void));
1191 Gid_t getgid _((void));
1192 Gid_t getegid _((void));
1196 #ifndef Perl_debug_log
1197 #define Perl_debug_log PerlIO_stderr()
1201 #define DEBUG(a) if (debug) a
1202 #define DEBUG_p(a) if (debug & 1) a
1203 #define DEBUG_s(a) if (debug & 2) a
1204 #define DEBUG_l(a) if (debug & 4) a
1205 #define DEBUG_t(a) if (debug & 8) a
1206 #define DEBUG_o(a) if (debug & 16) a
1207 #define DEBUG_c(a) if (debug & 32) a
1208 #define DEBUG_P(a) if (debug & 64) a
1209 #define DEBUG_m(a) if (curinterp && debug & 128) a
1210 #define DEBUG_f(a) if (debug & 256) a
1211 #define DEBUG_r(a) if (debug & 512) a
1212 #define DEBUG_x(a) if (debug & 1024) a
1213 #define DEBUG_u(a) if (debug & 2048) a
1214 #define DEBUG_L(a) if (debug & 4096) a
1215 #define DEBUG_H(a) if (debug & 8192) a
1216 #define DEBUG_X(a) if (debug & 16384) a
1217 #define DEBUG_D(a) if (debug & 32768) a
1238 #define YYMAXDEPTH 300
1240 #ifndef assert /* <assert.h> might have been included somehow */
1241 #define assert(what) DEB( { \
1243 croak("Assertion failed: file \"%s\", line %d", \
1244 __FILE__, __LINE__); \
1250 I32 (*uf_val)_((IV, SV*));
1251 I32 (*uf_set)_((IV, SV*));
1255 /* Fix these up for __STDC__ */
1256 #ifndef DONT_DECLARE_STD
1257 char *mktemp _((char*));
1258 double atof _((const char*));
1262 /* All of these are in stdlib.h or time.h for ANSI C */
1264 struct tm *gmtime(), *localtime();
1265 char *strchr(), *strrchr();
1266 char *strcpy(), *strcat();
1267 #endif /* ! STANDARD_C */
1274 double exp _((double));
1275 double log _((double));
1276 double log10 _((double));
1277 double sqrt _((double));
1278 double frexp _((double,int*));
1279 double ldexp _((double,int));
1280 double modf _((double,double*));
1281 double sin _((double));
1282 double cos _((double));
1283 double atan2 _((double,double));
1284 double pow _((double,double));
1289 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1290 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1292 char *crypt _((const char*, const char*));
1294 #ifndef DONT_DECLARE_STD
1296 char *getenv _((const char*));
1298 Off_t lseek _((int,Off_t,int));
1300 char *getlogin _((void));
1303 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1304 #define UNLINK unlnk
1305 I32 unlnk _((char*));
1307 #define UNLINK unlink
1310 #ifndef HAS_SETREUID
1311 # ifdef HAS_SETRESUID
1312 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1313 # define HAS_SETREUID
1316 #ifndef HAS_SETREGID
1317 # ifdef HAS_SETRESGID
1318 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1319 # define HAS_SETREGID
1323 typedef Signal_t (*Sighandler_t) _((int));
1325 #ifdef HAS_SIGACTION
1326 typedef struct sigaction Sigsave_t;
1328 typedef Sighandler_t Sigsave_t;
1339 # define PAD_SV(po) pad_sv(po)
1340 # define RUNOPS_DEFAULT runops_debug
1342 # define PAD_SV(po) curpad[po]
1343 # define RUNOPS_DEFAULT runops_standard
1347 * These need prototyping here because <proto.h> isn't
1348 * included until after runops is initialised.
1351 int runops_standard _((void));
1353 int runops_debug _((void));
1356 #define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1363 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1365 EXT perl_key thr_key; /* For per-thread struct perl_thread* */
1366 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1367 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1368 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1369 EXT perl_cond eval_cond; /* Condition variable for doeval */
1370 EXT struct perl_thread * eval_owner; /* Owner thread for doeval */
1371 EXT int nthreads; /* Number of threads currently */
1372 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1373 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1374 EXT char * threadsv_names INIT(THREADSV_NAMES);
1376 EXT struct perl_thread * thr; /* Currently executing (fake) thread */
1378 #endif /* USE_THREADS */
1380 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1381 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1382 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || defined(__sgi)
1383 extern char ** environ; /* environment variables supplied via exec */
1386 # if defined(NeXT) && defined(__DYNAMIC__)
1388 # include <mach-o/dyld.h>
1389 EXT char *** environ_pointer;
1390 # define environ (*environ_pointer)
1392 #endif /* environ processing */
1394 EXT int uid; /* current real user id */
1395 EXT int euid; /* current effective user id */
1396 EXT int gid; /* current real group id */
1397 EXT int egid; /* current effective group id */
1398 EXT bool nomemok; /* let malloc context handle nomem */
1399 EXT U32 an; /* malloc sequence number */
1400 EXT U32 cop_seqmax; /* statement sequence number */
1401 EXT U16 op_seqmax; /* op sequence number */
1402 EXT U32 evalseq; /* eval sequence number */
1403 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1404 EXT char ** origenviron;
1406 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1407 EXT U32 * profiledata;
1408 EXT int maxo INIT(MAXO);/* Number of ops */
1409 EXT char * osname; /* operating system */
1410 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1411 EXT Sighandler_t sighandlerp;
1413 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1414 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1415 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1416 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1417 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1418 EXT HE * he_root; /* free he list--shared by interpreters */
1419 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1420 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1422 /* Stack for currently executing thread--context switch must handle this. */
1423 EXT SV ** stack_base; /* stack->array_ary */
1424 EXT SV ** stack_sp; /* stack pointer now */
1425 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1427 /* likewise for these */
1429 #ifdef OP_IN_REGISTER
1430 EXT OP * opsave; /* save current op register across longjmps */
1432 EXT OP * op; /* current op--when not in a global register */
1434 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1435 EXT I32 * scopestack; /* blocks we've entered */
1436 EXT I32 scopestack_ix;
1437 EXT I32 scopestack_max;
1439 EXT ANY* savestack; /* to save non-local values on */
1440 EXT I32 savestack_ix;
1441 EXT I32 savestack_max;
1443 EXT OP ** retstack; /* returns we've pushed */
1444 EXT I32 retstack_ix;
1445 EXT I32 retstack_max;
1447 EXT I32 * markstack; /* stackmarks we're remembering */
1448 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1449 EXT I32 * markstack_max; /* stackmarks we're remembering */
1456 EXT char tokenbuf[256];
1457 EXT struct stat statbuf;
1459 EXT struct tms timesbuf;
1461 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1463 /* for tmp use in stupid debuggers */
1468 /* handy constants */
1469 EXTCONST char * Yes INIT("1");
1470 EXTCONST char * No INIT("");
1471 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1472 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1473 EXTCONST char * vert INIT("|");
1475 EXTCONST char warn_uninit[]
1476 INIT("Use of uninitialized value");
1477 EXTCONST char warn_nosemi[]
1478 INIT("Semicolon seems to be missing");
1479 EXTCONST char warn_reserved[]
1480 INIT("Unquoted string \"%s\" may clash with future reserved word");
1481 EXTCONST char warn_nl[]
1482 INIT("Unsuccessful %s on filename containing newline");
1483 EXTCONST char no_wrongref[]
1484 INIT("Can't use %s ref as %s ref");
1485 EXTCONST char no_symref[]
1486 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1487 EXTCONST char no_usym[]
1488 INIT("Can't use an undefined value as %s reference");
1489 EXTCONST char no_aelem[]
1490 INIT("Modification of non-creatable array value attempted, subscript %d");
1491 EXTCONST char no_helem[]
1492 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1493 EXTCONST char no_modify[]
1494 INIT("Modification of a read-only value attempted");
1495 EXTCONST char no_mem[]
1496 INIT("Out of memory!\n");
1497 EXTCONST char no_security[]
1498 INIT("Insecure dependency in %s%s");
1499 EXTCONST char no_sock_func[]
1500 INIT("Unsupported socket function \"%s\" called");
1501 EXTCONST char no_dir_func[]
1502 INIT("Unsupported directory function \"%s\" called");
1503 EXTCONST char no_func[]
1504 INIT("The %s function is unimplemented");
1505 EXTCONST char no_myglob[]
1506 INIT("\"my\" variable %s can't be in a package");
1512 EXT char * cshname INIT(CSH);
1517 EXT char *sig_name[] = { SIG_NAME };
1518 EXT int sig_num[] = { SIG_NUM };
1519 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1520 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1522 EXT char *sig_name[];
1524 EXT SV * psig_ptr[];
1525 EXT SV * psig_name[];
1528 /* fast case folding tables */
1531 EXTCONST unsigned char fold[] = {
1532 0, 1, 2, 3, 4, 5, 6, 7,
1533 8, 9, 10, 11, 12, 13, 14, 15,
1534 16, 17, 18, 19, 20, 21, 22, 23,
1535 24, 25, 26, 27, 28, 29, 30, 31,
1536 32, 33, 34, 35, 36, 37, 38, 39,
1537 40, 41, 42, 43, 44, 45, 46, 47,
1538 48, 49, 50, 51, 52, 53, 54, 55,
1539 56, 57, 58, 59, 60, 61, 62, 63,
1540 64, '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', 91, 92, 93, 94, 95,
1544 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1545 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1546 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1547 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1548 128, 129, 130, 131, 132, 133, 134, 135,
1549 136, 137, 138, 139, 140, 141, 142, 143,
1550 144, 145, 146, 147, 148, 149, 150, 151,
1551 152, 153, 154, 155, 156, 157, 158, 159,
1552 160, 161, 162, 163, 164, 165, 166, 167,
1553 168, 169, 170, 171, 172, 173, 174, 175,
1554 176, 177, 178, 179, 180, 181, 182, 183,
1555 184, 185, 186, 187, 188, 189, 190, 191,
1556 192, 193, 194, 195, 196, 197, 198, 199,
1557 200, 201, 202, 203, 204, 205, 206, 207,
1558 208, 209, 210, 211, 212, 213, 214, 215,
1559 216, 217, 218, 219, 220, 221, 222, 223,
1560 224, 225, 226, 227, 228, 229, 230, 231,
1561 232, 233, 234, 235, 236, 237, 238, 239,
1562 240, 241, 242, 243, 244, 245, 246, 247,
1563 248, 249, 250, 251, 252, 253, 254, 255
1566 EXTCONST unsigned char fold[];
1570 EXT unsigned char fold_locale[] = {
1571 0, 1, 2, 3, 4, 5, 6, 7,
1572 8, 9, 10, 11, 12, 13, 14, 15,
1573 16, 17, 18, 19, 20, 21, 22, 23,
1574 24, 25, 26, 27, 28, 29, 30, 31,
1575 32, 33, 34, 35, 36, 37, 38, 39,
1576 40, 41, 42, 43, 44, 45, 46, 47,
1577 48, 49, 50, 51, 52, 53, 54, 55,
1578 56, 57, 58, 59, 60, 61, 62, 63,
1579 64, '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', 91, 92, 93, 94, 95,
1583 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1584 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1585 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1586 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1587 128, 129, 130, 131, 132, 133, 134, 135,
1588 136, 137, 138, 139, 140, 141, 142, 143,
1589 144, 145, 146, 147, 148, 149, 150, 151,
1590 152, 153, 154, 155, 156, 157, 158, 159,
1591 160, 161, 162, 163, 164, 165, 166, 167,
1592 168, 169, 170, 171, 172, 173, 174, 175,
1593 176, 177, 178, 179, 180, 181, 182, 183,
1594 184, 185, 186, 187, 188, 189, 190, 191,
1595 192, 193, 194, 195, 196, 197, 198, 199,
1596 200, 201, 202, 203, 204, 205, 206, 207,
1597 208, 209, 210, 211, 212, 213, 214, 215,
1598 216, 217, 218, 219, 220, 221, 222, 223,
1599 224, 225, 226, 227, 228, 229, 230, 231,
1600 232, 233, 234, 235, 236, 237, 238, 239,
1601 240, 241, 242, 243, 244, 245, 246, 247,
1602 248, 249, 250, 251, 252, 253, 254, 255
1605 EXT unsigned char fold_locale[];
1609 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1610 1, 2, 84, 151, 154, 155, 156, 157,
1611 165, 246, 250, 3, 158, 7, 18, 29,
1612 40, 51, 62, 73, 85, 96, 107, 118,
1613 129, 140, 147, 148, 149, 150, 152, 153,
1614 255, 182, 224, 205, 174, 176, 180, 217,
1615 233, 232, 236, 187, 235, 228, 234, 226,
1616 222, 219, 211, 195, 188, 193, 185, 184,
1617 191, 183, 201, 229, 181, 220, 194, 162,
1618 163, 208, 186, 202, 200, 218, 198, 179,
1619 178, 214, 166, 170, 207, 199, 209, 206,
1620 204, 160, 212, 216, 215, 192, 175, 173,
1621 243, 172, 161, 190, 203, 189, 164, 230,
1622 167, 248, 227, 244, 242, 255, 241, 231,
1623 240, 253, 169, 210, 245, 237, 249, 247,
1624 239, 168, 252, 251, 254, 238, 223, 221,
1625 213, 225, 177, 197, 171, 196, 159, 4,
1626 5, 6, 8, 9, 10, 11, 12, 13,
1627 14, 15, 16, 17, 19, 20, 21, 22,
1628 23, 24, 25, 26, 27, 28, 30, 31,
1629 32, 33, 34, 35, 36, 37, 38, 39,
1630 41, 42, 43, 44, 45, 46, 47, 48,
1631 49, 50, 52, 53, 54, 55, 56, 57,
1632 58, 59, 60, 61, 63, 64, 65, 66,
1633 67, 68, 69, 70, 71, 72, 74, 75,
1634 76, 77, 78, 79, 80, 81, 82, 83,
1635 86, 87, 88, 89, 90, 91, 92, 93,
1636 94, 95, 97, 98, 99, 100, 101, 102,
1637 103, 104, 105, 106, 108, 109, 110, 111,
1638 112, 113, 114, 115, 116, 117, 119, 120,
1639 121, 122, 123, 124, 125, 126, 127, 128,
1640 130, 131, 132, 133, 134, 135, 136, 137,
1641 138, 139, 141, 142, 143, 144, 145, 146
1644 EXTCONST unsigned char freq[];
1649 EXTCONST char* block_type[] = {
1658 EXTCONST char* block_type[];
1662 /*****************************************************************************/
1663 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1664 /*****************************************************************************/
1665 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1669 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1680 EXT U32 lex_state; /* next token is determined */
1681 EXT U32 lex_defer; /* state after determined token */
1682 EXT expectation lex_expect; /* expect after determined token */
1683 EXT I32 lex_brackets; /* bracket count */
1684 EXT I32 lex_formbrack; /* bracket count at outer format level */
1685 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1686 EXT I32 lex_casemods; /* casemod count */
1687 EXT I32 lex_dojoin; /* doing an array interpolation */
1688 EXT I32 lex_starts; /* how many interps done on level */
1689 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1690 EXT SV * lex_repl; /* runtime replacement from s/// */
1691 EXT OP * lex_op; /* extra info to pass back on op */
1692 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1693 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1694 EXT char * lex_brackstack; /* what kind of brackets to pop */
1695 EXT char * lex_casestack; /* what kind of case mods in effect */
1697 /* What we know when we're in LEX_KNOWNEXT state. */
1698 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1699 EXT I32 nexttype[5]; /* type of next token */
1702 EXT PerlIO * VOL rsfp INIT(Nullfp);
1705 EXT char * oldbufptr;
1706 EXT char * oldoldbufptr;
1708 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1709 EXT AV * rsfp_filters;
1711 EXT I32 multi_start; /* 1st line of multi-line string */
1712 EXT I32 multi_end; /* last line of multi-line string */
1713 EXT I32 multi_open; /* delimiter of said string */
1714 EXT I32 multi_close; /* delimiter of said string */
1717 EXT I32 error_count; /* how many errors so far, max 10 */
1718 EXT I32 subline; /* line this subroutine began on */
1719 EXT SV * subname; /* name of current subroutine */
1721 EXT CV * compcv; /* currently compiling subroutine */
1722 EXT AV * comppad; /* storage for lexically scoped temporaries */
1723 EXT AV * comppad_name; /* variable names for "my" variables */
1724 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1725 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1726 EXT I32 min_intro_pending;/* start of vars to introduce */
1727 EXT I32 max_intro_pending;/* end of vars to introduce */
1728 EXT I32 padix; /* max used index in current "register" pad */
1729 EXT I32 padix_floor; /* how low may inner block reset padix */
1730 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1733 EXT I32 thisexpr; /* name id for nothing_in_common() */
1734 EXT char * last_uni; /* position of last named-unary operator */
1735 EXT char * last_lop; /* position of last list operator */
1736 EXT OPCODE last_lop_op; /* last list operator */
1737 EXT bool in_my; /* we're compiling a "my" declaration */
1738 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1740 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1743 EXT U32 hints; /* various compilation flags */
1745 /* Note: the lowest 8 bits are reserved for
1746 stuffing into op->op_private */
1747 #define HINT_INTEGER 0x00000001
1748 #define HINT_STRICT_REFS 0x00000002
1750 #define HINT_BLOCK_SCOPE 0x00000100
1751 #define HINT_STRICT_SUBS 0x00000200
1752 #define HINT_STRICT_VARS 0x00000400
1753 #define HINT_LOCALE 0x00000800
1755 EXT bool do_undump; /* -u or dump seen? */
1758 /***********************************************/
1759 /* Global only to current interpreter instance */
1760 /***********************************************/
1765 struct interpreter {
1768 #define IINIT(x) INIT(x)
1771 /* pseudo environmental stuff */
1773 IEXT char ** Iorigargv;
1777 IEXT char * Iorigfilename;
1779 IEXT SV * Iwarnhook;
1780 IEXT SV * Iparsehook;
1782 /* Various states of an input record separator SV (rs, nrs) */
1783 #define RsSNARF(sv) (! SvOK(sv))
1784 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1785 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1790 IEXT char Ipatchlevel[10];
1791 IEXT char ** Ilocalpatches;
1793 IEXT char * Isplitstr IINIT(" ");
1794 IEXT bool Ipreprocess;
1800 IEXT bool Idoswitches;
1802 IEXT bool Idoextract;
1803 IEXT bool Isawampersand; /* must save all match strings */
1804 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1807 IEXT char * Iinplace;
1808 IEXT char * Ie_tmpname;
1809 IEXT PerlIO * Ie_fp;
1811 /* This value may be raised by extensions for testing purposes */
1812 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1814 /* magical thingies */
1815 IEXT Time_t Ibasetime; /* $^T */
1816 IEXT SV * Iformfeed; /* $^L */
1817 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1818 IEXT SV * Irs; /* $/ */
1819 IEXT char * Iofs; /* $, */
1820 IEXT STRLEN Iofslen;
1821 IEXT char * Iors; /* $\ */
1822 IEXT STRLEN Iorslen;
1823 IEXT char * Iofmt; /* $# */
1824 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1825 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1826 IEXT I32 Istatusvalue; /* $? */
1828 IEXT U32 Istatusvalue_vms;
1831 IEXT struct stat Istatcache; /* _ */
1833 IEXT SV * Istatname IINIT(Nullsv);
1835 /* shortcuts to various I/O objects */
1837 IEXT GV * Ilast_in_gv;
1840 IEXT GV * Idefoutgv;
1841 IEXT GV * Iargvoutgv;
1843 /* shortcuts to regexp stuff */
1847 IEXT PMOP * Icurpm; /* what to do \ interps from */
1848 IEXT I32 * Iscreamfirst;
1849 IEXT I32 * Iscreamnext;
1850 IEXT I32 Imaxscream IINIT(-1);
1851 IEXT SV * Ilastscream;
1853 /* shortcuts to misc objects */
1856 /* shortcuts to debugging objects */
1860 IEXT SV * IDBsingle;
1862 IEXT SV * IDBsignal;
1863 IEXT AV * Ilineary; /* lines of script for debugger */
1864 IEXT AV * Idbargs; /* args to call listed by caller function */
1867 IEXT HV * Idefstash; /* main symbol table */
1868 IEXT HV * Icurstash; /* symbol table for current package */
1869 IEXT HV * Idebstash; /* symbol table for perldb package */
1870 IEXT HV * Iglobalstash; /* global keyword overrides imported here */
1871 IEXT SV * Icurstname; /* name of current package */
1872 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1873 IEXT AV * Iendav; /* names of END subroutines */
1874 IEXT AV * Iinitav; /* names of INIT subroutines */
1875 IEXT HV * Istrtab; /* shared string table */
1877 /* memory management */
1878 IEXT SV ** Itmps_stack;
1879 IEXT I32 Itmps_ix IINIT(-1);
1880 IEXT I32 Itmps_floor IINIT(-1);
1882 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1883 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1884 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1885 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1887 /* funky return mechanisms */
1888 IEXT I32 Ilastspbase;
1890 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1892 /* subprocess state */
1893 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1895 /* internal state */
1896 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1897 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1898 IEXT int Idelaymagic; /* ($<,$>) = ... */
1899 IEXT bool Idirty; /* In the middle of tearing things down? */
1900 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1901 IEXT bool Itainted; /* using variables controlled by $< */
1902 IEXT bool Itainting; /* doing taint checks */
1903 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1907 IEXT I32 Idlmax IINIT(128);
1908 IEXT char * Idebname;
1909 IEXT char * Idebdelim;
1911 /* current interpreter roots */
1913 IEXT OP * Imain_root;
1914 IEXT OP * Imain_start;
1915 IEXT OP * Ieval_root;
1916 IEXT OP * Ieval_start;
1918 /* runtime control stuff */
1919 IEXT COP * VOL Icurcop IINIT(&compiling);
1920 IEXT COP * Icurcopdb IINIT(NULL);
1921 IEXT line_t Icopline IINIT(NOLINE);
1922 IEXT PERL_CONTEXT * Icxstack;
1923 IEXT I32 Icxstack_ix IINIT(-1);
1924 IEXT I32 Icxstack_max IINIT(128);
1925 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1926 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1929 IEXT AV * Icurstack; /* THE STACK */
1930 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1932 /* format accumulators */
1933 IEXT SV * Iformtarget;
1934 IEXT SV * Ibodytarget;
1935 IEXT SV * Itoptarget;
1937 /* statics moved here for shared library purposes */
1938 IEXT SV Istrchop; /* return value from chop */
1939 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1940 IEXT int Ilastfd; /* what to preserve mode on */
1941 IEXT char * Ioldname; /* what to preserve mode on */
1942 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1943 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1944 IEXT OP * Isortcop; /* user defined sort routine */
1945 IEXT HV * Isortstash; /* which is in some package or other */
1946 IEXT GV * Ifirstgv; /* $a */
1947 IEXT GV * Isecondgv; /* $b */
1948 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1949 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1950 IEXT SV * Imystrk; /* temp key string for do_each() */
1951 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1952 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1953 IEXT I32 Igensym; /* next symbol for getsym() to define */
1954 IEXT bool Ipreambled;
1955 IEXT AV * Ipreambleav;
1956 IEXT int Ilaststatval IINIT(-1);
1957 IEXT I32 Ilaststype IINIT(OP_STAT);
1962 IEXT SV * Ithrsv; /* holds struct perl_thread for main thread */
1963 #endif /* USE_THREADS */
1971 struct interpreter {
1983 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1984 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1986 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1987 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1992 /* The following must follow proto.h */
1996 EXT MGVTBL vtbl_sv = {magic_get,
2000 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2001 0, magic_clear_all_env,
2003 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2006 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2007 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2011 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2013 EXT MGVTBL vtbl_packelem = {magic_getpack,
2017 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2019 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2022 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2024 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2027 EXT MGVTBL vtbl_glob = {magic_getglob,
2030 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2032 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2034 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2036 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2038 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2040 EXT MGVTBL vtbl_pos = {magic_getpos,
2043 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2045 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2047 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2051 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2052 #endif /* USE_THREADS */
2053 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2054 0, 0, magic_freedefelem};
2056 EXT MGVTBL vtbl_regexp = {0,0,0,0, magic_freeregexp};
2058 #ifdef USE_LOCALE_COLLATE
2059 EXT MGVTBL vtbl_collxfrm = {0,
2065 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2066 0, 0, magic_setamagic};
2067 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2068 0, 0, magic_setamagic};
2069 #endif /* OVERLOAD */
2074 EXT MGVTBL vtbl_env;
2075 EXT MGVTBL vtbl_envelem;
2076 EXT MGVTBL vtbl_sig;
2077 EXT MGVTBL vtbl_sigelem;
2078 EXT MGVTBL vtbl_pack;
2079 EXT MGVTBL vtbl_packelem;
2080 EXT MGVTBL vtbl_dbline;
2081 EXT MGVTBL vtbl_isa;
2082 EXT MGVTBL vtbl_isaelem;
2083 EXT MGVTBL vtbl_arylen;
2084 EXT MGVTBL vtbl_glob;
2085 EXT MGVTBL vtbl_mglob;
2086 EXT MGVTBL vtbl_nkeys;
2087 EXT MGVTBL vtbl_taint;
2088 EXT MGVTBL vtbl_substr;
2089 EXT MGVTBL vtbl_vec;
2090 EXT MGVTBL vtbl_pos;
2093 EXT MGVTBL vtbl_uvar;
2096 EXT MGVTBL vtbl_mutex;
2097 #endif /* USE_THREADS */
2099 EXT MGVTBL vtbl_defelem;
2100 EXT MGVTBL vtbl_regexp;
2102 #ifdef USE_LOCALE_COLLATE
2103 EXT MGVTBL vtbl_collxfrm;
2107 EXT MGVTBL vtbl_amagic;
2108 EXT MGVTBL vtbl_amagicelem;
2109 #endif /* OVERLOAD */
2111 #endif /* !DOINIT */
2115 EXT long amagic_generation;
2117 #define NofAMmeth 58
2119 EXTCONST char * AMG_names[NofAMmeth] = {
2120 "fallback", "abs", /* "fallback" should be the first. */
2151 EXTCONST char * AMG_names[NofAMmeth];
2152 #endif /* def INITAMAGIC */
2158 CV* table[NofAMmeth];
2161 struct am_table_short {
2166 typedef struct am_table AMT;
2167 typedef struct am_table_short AMTS;
2169 #define AMGfallNEVER 1
2171 #define AMGfallYES 3
2173 #define AMTf_AMAGIC 1
2174 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2175 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2176 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2179 fallback_amg, abs_amg,
2180 bool__amg, nomethod_amg,
2181 string_amg, numer_amg,
2182 add_amg, add_ass_amg,
2183 subtr_amg, subtr_ass_amg,
2184 mult_amg, mult_ass_amg,
2185 div_amg, div_ass_amg,
2186 mod_amg, mod_ass_amg,
2187 pow_amg, pow_ass_amg,
2188 lshift_amg, lshift_ass_amg,
2189 rshift_amg, rshift_ass_amg,
2190 band_amg, band_ass_amg,
2191 bor_amg, bor_ass_amg,
2192 bxor_amg, bxor_ass_amg,
2205 repeat_amg, repeat_ass_amg,
2206 concat_amg, concat_ass_amg,
2211 * some compilers like to redefine cos et alia as faster
2212 * (and less accurate?) versions called F_cos et cetera (Quidquid
2213 * latine dictum sit, altum viditur.) This trick collides with
2214 * the Perl overloading (amg). The following #defines fool both.
2219 # define F_atan2_amg atan2_amg
2222 # define F_cos_amg cos_amg
2225 # define F_exp_amg exp_amg
2228 # define F_log_amg log_amg
2231 # define F_pow_amg pow_amg
2234 # define F_sin_amg sin_amg
2237 # define F_sqrt_amg sqrt_amg
2239 #endif /* _FASTMATH */
2241 #endif /* OVERLOAD */
2243 #define PERLDB_ALL 0xff
2244 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2245 #define PERLDBf_LINE 0x02 /* Keep line #. */
2246 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2247 #define PERLDBf_INTER 0x08 /* Preserve more data for
2248 later inspections. */
2249 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2250 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2252 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2253 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2254 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2255 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2256 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2257 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2259 #ifdef USE_LOCALE_COLLATE
2260 EXT U32 collation_ix; /* Collation generation index */
2261 EXT char * collation_name; /* Name of current collation */
2262 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2263 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2264 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2265 #endif /* USE_LOCALE_COLLATE */
2267 #ifdef USE_LOCALE_NUMERIC
2269 EXT char * numeric_name; /* Name of current numeric locale */
2270 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2271 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2273 #define SET_NUMERIC_STANDARD() \
2275 if (! numeric_standard) \
2276 perl_set_numeric_standard(); \
2279 #define SET_NUMERIC_LOCAL() \
2281 if (! numeric_local) \
2282 perl_set_numeric_local(); \
2285 #else /* !USE_LOCALE_NUMERIC */
2287 #define SET_NUMERIC_STANDARD() /**/
2288 #define SET_NUMERIC_LOCAL() /**/
2290 #endif /* !USE_LOCALE_NUMERIC */
2292 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2294 * Now we have __attribute__ out of the way
2297 #define printf PerlIO_stdoutf
2300 #ifndef PERL_SCRIPT_MODE
2301 #define PERL_SCRIPT_MODE "r"
2305 * nice_chunk and nice_chunk size need to be set
2306 * and queried under the protection of sv_mutex
2308 #define offer_nice_chunk(chunk, chunk_size) do { \
2309 MUTEX_LOCK(&sv_mutex); \
2310 if (!nice_chunk) { \
2311 nice_chunk = (char*)(chunk); \
2312 nice_chunk_size = (chunk_size); \
2314 MUTEX_UNLOCK(&sv_mutex); \
2317 #endif /* Include guard */