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 # define MALLOC_INIT MUTEX_INIT(&malloc_mutex)
1348 # define MALLOC_TERM MUTEX_DESTROY(&malloc_mutex)
1350 # define MALLOC_INIT
1351 # define MALLOC_TERM
1355 * These need prototyping here because <proto.h> isn't
1356 * included until after runops is initialised.
1359 int runops_standard _((void));
1361 int runops_debug _((void));
1364 #define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1371 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1373 EXT perl_key thr_key; /* For per-thread struct perl_thread* */
1374 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1375 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1376 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1377 EXT perl_cond eval_cond; /* Condition variable for doeval */
1378 EXT struct perl_thread * eval_owner; /* Owner thread for doeval */
1379 EXT int nthreads; /* Number of threads currently */
1380 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1381 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1382 EXT char * threadsv_names INIT(THREADSV_NAMES);
1384 EXT struct perl_thread * thr; /* Currently executing (fake) thread */
1386 #endif /* USE_THREADS */
1388 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1389 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1390 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || defined(__sgi)
1391 extern char ** environ; /* environment variables supplied via exec */
1394 # if defined(NeXT) && defined(__DYNAMIC__)
1396 # include <mach-o/dyld.h>
1397 EXT char *** environ_pointer;
1398 # define environ (*environ_pointer)
1400 #endif /* environ processing */
1402 EXT int uid; /* current real user id */
1403 EXT int euid; /* current effective user id */
1404 EXT int gid; /* current real group id */
1405 EXT int egid; /* current effective group id */
1406 EXT bool nomemok; /* let malloc context handle nomem */
1407 EXT U32 an; /* malloc sequence number */
1408 EXT U32 cop_seqmax; /* statement sequence number */
1409 EXT U16 op_seqmax; /* op sequence number */
1410 EXT U32 evalseq; /* eval sequence number */
1411 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1412 EXT char ** origenviron;
1414 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1415 EXT U32 * profiledata;
1416 EXT int maxo INIT(MAXO);/* Number of ops */
1417 EXT char * osname; /* operating system */
1418 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1419 EXT Sighandler_t sighandlerp;
1421 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1422 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1423 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1424 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1425 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1426 EXT HE * he_root; /* free he list--shared by interpreters */
1427 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1428 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1430 /* Stack for currently executing thread--context switch must handle this. */
1431 EXT SV ** stack_base; /* stack->array_ary */
1432 EXT SV ** stack_sp; /* stack pointer now */
1433 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1435 /* likewise for these */
1437 #ifdef OP_IN_REGISTER
1438 EXT OP * opsave; /* save current op register across longjmps */
1440 EXT OP * op; /* current op--when not in a global register */
1442 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1443 EXT I32 * scopestack; /* blocks we've entered */
1444 EXT I32 scopestack_ix;
1445 EXT I32 scopestack_max;
1447 EXT ANY* savestack; /* to save non-local values on */
1448 EXT I32 savestack_ix;
1449 EXT I32 savestack_max;
1451 EXT OP ** retstack; /* returns we've pushed */
1452 EXT I32 retstack_ix;
1453 EXT I32 retstack_max;
1455 EXT I32 * markstack; /* stackmarks we're remembering */
1456 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1457 EXT I32 * markstack_max; /* stackmarks we're remembering */
1464 EXT char tokenbuf[256];
1465 EXT struct stat statbuf;
1467 EXT struct tms timesbuf;
1469 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1471 /* for tmp use in stupid debuggers */
1476 /* handy constants */
1477 EXTCONST char * Yes INIT("1");
1478 EXTCONST char * No INIT("");
1479 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1480 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1481 EXTCONST char * vert INIT("|");
1483 EXTCONST char warn_uninit[]
1484 INIT("Use of uninitialized value");
1485 EXTCONST char warn_nosemi[]
1486 INIT("Semicolon seems to be missing");
1487 EXTCONST char warn_reserved[]
1488 INIT("Unquoted string \"%s\" may clash with future reserved word");
1489 EXTCONST char warn_nl[]
1490 INIT("Unsuccessful %s on filename containing newline");
1491 EXTCONST char no_wrongref[]
1492 INIT("Can't use %s ref as %s ref");
1493 EXTCONST char no_symref[]
1494 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1495 EXTCONST char no_usym[]
1496 INIT("Can't use an undefined value as %s reference");
1497 EXTCONST char no_aelem[]
1498 INIT("Modification of non-creatable array value attempted, subscript %d");
1499 EXTCONST char no_helem[]
1500 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1501 EXTCONST char no_modify[]
1502 INIT("Modification of a read-only value attempted");
1503 EXTCONST char no_mem[]
1504 INIT("Out of memory!\n");
1505 EXTCONST char no_security[]
1506 INIT("Insecure dependency in %s%s");
1507 EXTCONST char no_sock_func[]
1508 INIT("Unsupported socket function \"%s\" called");
1509 EXTCONST char no_dir_func[]
1510 INIT("Unsupported directory function \"%s\" called");
1511 EXTCONST char no_func[]
1512 INIT("The %s function is unimplemented");
1513 EXTCONST char no_myglob[]
1514 INIT("\"my\" variable %s can't be in a package");
1520 EXT char * cshname INIT(CSH);
1525 EXT char *sig_name[] = { SIG_NAME };
1526 EXT int sig_num[] = { SIG_NUM };
1527 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1528 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1530 EXT char *sig_name[];
1532 EXT SV * psig_ptr[];
1533 EXT SV * psig_name[];
1536 /* fast case folding tables */
1539 EXTCONST unsigned char fold[] = {
1540 0, 1, 2, 3, 4, 5, 6, 7,
1541 8, 9, 10, 11, 12, 13, 14, 15,
1542 16, 17, 18, 19, 20, 21, 22, 23,
1543 24, 25, 26, 27, 28, 29, 30, 31,
1544 32, 33, 34, 35, 36, 37, 38, 39,
1545 40, 41, 42, 43, 44, 45, 46, 47,
1546 48, 49, 50, 51, 52, 53, 54, 55,
1547 56, 57, 58, 59, 60, 61, 62, 63,
1548 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1549 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1550 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1551 'x', 'y', 'z', 91, 92, 93, 94, 95,
1552 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1553 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1554 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1555 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1556 128, 129, 130, 131, 132, 133, 134, 135,
1557 136, 137, 138, 139, 140, 141, 142, 143,
1558 144, 145, 146, 147, 148, 149, 150, 151,
1559 152, 153, 154, 155, 156, 157, 158, 159,
1560 160, 161, 162, 163, 164, 165, 166, 167,
1561 168, 169, 170, 171, 172, 173, 174, 175,
1562 176, 177, 178, 179, 180, 181, 182, 183,
1563 184, 185, 186, 187, 188, 189, 190, 191,
1564 192, 193, 194, 195, 196, 197, 198, 199,
1565 200, 201, 202, 203, 204, 205, 206, 207,
1566 208, 209, 210, 211, 212, 213, 214, 215,
1567 216, 217, 218, 219, 220, 221, 222, 223,
1568 224, 225, 226, 227, 228, 229, 230, 231,
1569 232, 233, 234, 235, 236, 237, 238, 239,
1570 240, 241, 242, 243, 244, 245, 246, 247,
1571 248, 249, 250, 251, 252, 253, 254, 255
1574 EXTCONST unsigned char fold[];
1578 EXT unsigned char fold_locale[] = {
1579 0, 1, 2, 3, 4, 5, 6, 7,
1580 8, 9, 10, 11, 12, 13, 14, 15,
1581 16, 17, 18, 19, 20, 21, 22, 23,
1582 24, 25, 26, 27, 28, 29, 30, 31,
1583 32, 33, 34, 35, 36, 37, 38, 39,
1584 40, 41, 42, 43, 44, 45, 46, 47,
1585 48, 49, 50, 51, 52, 53, 54, 55,
1586 56, 57, 58, 59, 60, 61, 62, 63,
1587 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1588 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1589 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1590 'x', 'y', 'z', 91, 92, 93, 94, 95,
1591 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1592 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1593 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1594 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1595 128, 129, 130, 131, 132, 133, 134, 135,
1596 136, 137, 138, 139, 140, 141, 142, 143,
1597 144, 145, 146, 147, 148, 149, 150, 151,
1598 152, 153, 154, 155, 156, 157, 158, 159,
1599 160, 161, 162, 163, 164, 165, 166, 167,
1600 168, 169, 170, 171, 172, 173, 174, 175,
1601 176, 177, 178, 179, 180, 181, 182, 183,
1602 184, 185, 186, 187, 188, 189, 190, 191,
1603 192, 193, 194, 195, 196, 197, 198, 199,
1604 200, 201, 202, 203, 204, 205, 206, 207,
1605 208, 209, 210, 211, 212, 213, 214, 215,
1606 216, 217, 218, 219, 220, 221, 222, 223,
1607 224, 225, 226, 227, 228, 229, 230, 231,
1608 232, 233, 234, 235, 236, 237, 238, 239,
1609 240, 241, 242, 243, 244, 245, 246, 247,
1610 248, 249, 250, 251, 252, 253, 254, 255
1613 EXT unsigned char fold_locale[];
1617 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1618 1, 2, 84, 151, 154, 155, 156, 157,
1619 165, 246, 250, 3, 158, 7, 18, 29,
1620 40, 51, 62, 73, 85, 96, 107, 118,
1621 129, 140, 147, 148, 149, 150, 152, 153,
1622 255, 182, 224, 205, 174, 176, 180, 217,
1623 233, 232, 236, 187, 235, 228, 234, 226,
1624 222, 219, 211, 195, 188, 193, 185, 184,
1625 191, 183, 201, 229, 181, 220, 194, 162,
1626 163, 208, 186, 202, 200, 218, 198, 179,
1627 178, 214, 166, 170, 207, 199, 209, 206,
1628 204, 160, 212, 216, 215, 192, 175, 173,
1629 243, 172, 161, 190, 203, 189, 164, 230,
1630 167, 248, 227, 244, 242, 255, 241, 231,
1631 240, 253, 169, 210, 245, 237, 249, 247,
1632 239, 168, 252, 251, 254, 238, 223, 221,
1633 213, 225, 177, 197, 171, 196, 159, 4,
1634 5, 6, 8, 9, 10, 11, 12, 13,
1635 14, 15, 16, 17, 19, 20, 21, 22,
1636 23, 24, 25, 26, 27, 28, 30, 31,
1637 32, 33, 34, 35, 36, 37, 38, 39,
1638 41, 42, 43, 44, 45, 46, 47, 48,
1639 49, 50, 52, 53, 54, 55, 56, 57,
1640 58, 59, 60, 61, 63, 64, 65, 66,
1641 67, 68, 69, 70, 71, 72, 74, 75,
1642 76, 77, 78, 79, 80, 81, 82, 83,
1643 86, 87, 88, 89, 90, 91, 92, 93,
1644 94, 95, 97, 98, 99, 100, 101, 102,
1645 103, 104, 105, 106, 108, 109, 110, 111,
1646 112, 113, 114, 115, 116, 117, 119, 120,
1647 121, 122, 123, 124, 125, 126, 127, 128,
1648 130, 131, 132, 133, 134, 135, 136, 137,
1649 138, 139, 141, 142, 143, 144, 145, 146
1652 EXTCONST unsigned char freq[];
1657 EXTCONST char* block_type[] = {
1666 EXTCONST char* block_type[];
1670 /*****************************************************************************/
1671 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1672 /*****************************************************************************/
1673 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1677 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1688 EXT U32 lex_state; /* next token is determined */
1689 EXT U32 lex_defer; /* state after determined token */
1690 EXT expectation lex_expect; /* expect after determined token */
1691 EXT I32 lex_brackets; /* bracket count */
1692 EXT I32 lex_formbrack; /* bracket count at outer format level */
1693 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1694 EXT I32 lex_casemods; /* casemod count */
1695 EXT I32 lex_dojoin; /* doing an array interpolation */
1696 EXT I32 lex_starts; /* how many interps done on level */
1697 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1698 EXT SV * lex_repl; /* runtime replacement from s/// */
1699 EXT OP * lex_op; /* extra info to pass back on op */
1700 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1701 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1702 EXT char * lex_brackstack; /* what kind of brackets to pop */
1703 EXT char * lex_casestack; /* what kind of case mods in effect */
1705 /* What we know when we're in LEX_KNOWNEXT state. */
1706 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1707 EXT I32 nexttype[5]; /* type of next token */
1710 EXT PerlIO * VOL rsfp INIT(Nullfp);
1713 EXT char * oldbufptr;
1714 EXT char * oldoldbufptr;
1716 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1717 EXT AV * rsfp_filters;
1719 EXT I32 multi_start; /* 1st line of multi-line string */
1720 EXT I32 multi_end; /* last line of multi-line string */
1721 EXT I32 multi_open; /* delimiter of said string */
1722 EXT I32 multi_close; /* delimiter of said string */
1725 EXT I32 error_count; /* how many errors so far, max 10 */
1726 EXT I32 subline; /* line this subroutine began on */
1727 EXT SV * subname; /* name of current subroutine */
1729 EXT CV * compcv; /* currently compiling subroutine */
1730 EXT AV * comppad; /* storage for lexically scoped temporaries */
1731 EXT AV * comppad_name; /* variable names for "my" variables */
1732 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1733 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1734 EXT I32 min_intro_pending;/* start of vars to introduce */
1735 EXT I32 max_intro_pending;/* end of vars to introduce */
1736 EXT I32 padix; /* max used index in current "register" pad */
1737 EXT I32 padix_floor; /* how low may inner block reset padix */
1738 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1741 EXT I32 thisexpr; /* name id for nothing_in_common() */
1742 EXT char * last_uni; /* position of last named-unary operator */
1743 EXT char * last_lop; /* position of last list operator */
1744 EXT OPCODE last_lop_op; /* last list operator */
1745 EXT bool in_my; /* we're compiling a "my" declaration */
1746 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1748 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1751 EXT U32 hints; /* various compilation flags */
1753 /* Note: the lowest 8 bits are reserved for
1754 stuffing into op->op_private */
1755 #define HINT_INTEGER 0x00000001
1756 #define HINT_STRICT_REFS 0x00000002
1758 #define HINT_BLOCK_SCOPE 0x00000100
1759 #define HINT_STRICT_SUBS 0x00000200
1760 #define HINT_STRICT_VARS 0x00000400
1761 #define HINT_LOCALE 0x00000800
1763 EXT bool do_undump; /* -u or dump seen? */
1766 /***********************************************/
1767 /* Global only to current interpreter instance */
1768 /***********************************************/
1773 struct interpreter {
1776 #define IINIT(x) INIT(x)
1779 /* pseudo environmental stuff */
1781 IEXT char ** Iorigargv;
1785 IEXT char * Iorigfilename;
1787 IEXT SV * Iwarnhook;
1788 IEXT SV * Iparsehook;
1790 /* Various states of an input record separator SV (rs, nrs) */
1791 #define RsSNARF(sv) (! SvOK(sv))
1792 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1793 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1798 IEXT char Ipatchlevel[10];
1799 IEXT char ** Ilocalpatches;
1801 IEXT char * Isplitstr IINIT(" ");
1802 IEXT bool Ipreprocess;
1808 IEXT bool Idoswitches;
1810 IEXT bool Idoextract;
1811 IEXT bool Isawampersand; /* must save all match strings */
1812 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1815 IEXT char * Iinplace;
1816 IEXT char * Ie_tmpname;
1817 IEXT PerlIO * Ie_fp;
1819 /* This value may be raised by extensions for testing purposes */
1820 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1822 /* magical thingies */
1823 IEXT Time_t Ibasetime; /* $^T */
1824 IEXT SV * Iformfeed; /* $^L */
1825 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1826 IEXT SV * Irs; /* $/ */
1827 IEXT char * Iofs; /* $, */
1828 IEXT STRLEN Iofslen;
1829 IEXT char * Iors; /* $\ */
1830 IEXT STRLEN Iorslen;
1831 IEXT char * Iofmt; /* $# */
1832 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1833 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1834 IEXT I32 Istatusvalue; /* $? */
1836 IEXT U32 Istatusvalue_vms;
1839 IEXT struct stat Istatcache; /* _ */
1841 IEXT SV * Istatname IINIT(Nullsv);
1843 /* shortcuts to various I/O objects */
1845 IEXT GV * Ilast_in_gv;
1848 IEXT GV * Idefoutgv;
1849 IEXT GV * Iargvoutgv;
1851 /* shortcuts to regexp stuff */
1855 IEXT PMOP * Icurpm; /* what to do \ interps from */
1856 IEXT I32 * Iscreamfirst;
1857 IEXT I32 * Iscreamnext;
1858 IEXT I32 Imaxscream IINIT(-1);
1859 IEXT SV * Ilastscream;
1861 /* shortcuts to misc objects */
1864 /* shortcuts to debugging objects */
1868 IEXT SV * IDBsingle;
1870 IEXT SV * IDBsignal;
1871 IEXT AV * Ilineary; /* lines of script for debugger */
1872 IEXT AV * Idbargs; /* args to call listed by caller function */
1875 IEXT HV * Idefstash; /* main symbol table */
1876 IEXT HV * Icurstash; /* symbol table for current package */
1877 IEXT HV * Idebstash; /* symbol table for perldb package */
1878 IEXT HV * Iglobalstash; /* global keyword overrides imported here */
1879 IEXT SV * Icurstname; /* name of current package */
1880 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1881 IEXT AV * Iendav; /* names of END subroutines */
1882 IEXT AV * Iinitav; /* names of INIT subroutines */
1883 IEXT HV * Istrtab; /* shared string table */
1885 /* memory management */
1886 IEXT SV ** Itmps_stack;
1887 IEXT I32 Itmps_ix IINIT(-1);
1888 IEXT I32 Itmps_floor IINIT(-1);
1890 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1891 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1892 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1893 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1895 /* funky return mechanisms */
1896 IEXT I32 Ilastspbase;
1898 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1900 /* subprocess state */
1901 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1903 /* internal state */
1904 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1905 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1906 IEXT int Idelaymagic; /* ($<,$>) = ... */
1907 IEXT bool Idirty; /* In the middle of tearing things down? */
1908 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1909 IEXT bool Itainted; /* using variables controlled by $< */
1910 IEXT bool Itainting; /* doing taint checks */
1911 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1915 IEXT I32 Idlmax IINIT(128);
1916 IEXT char * Idebname;
1917 IEXT char * Idebdelim;
1919 /* current interpreter roots */
1921 IEXT OP * Imain_root;
1922 IEXT OP * Imain_start;
1923 IEXT OP * Ieval_root;
1924 IEXT OP * Ieval_start;
1926 /* runtime control stuff */
1927 IEXT COP * VOL Icurcop IINIT(&compiling);
1928 IEXT COP * Icurcopdb IINIT(NULL);
1929 IEXT line_t Icopline IINIT(NOLINE);
1930 IEXT PERL_CONTEXT * Icxstack;
1931 IEXT I32 Icxstack_ix IINIT(-1);
1932 IEXT I32 Icxstack_max IINIT(128);
1933 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1934 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1937 IEXT AV * Icurstack; /* THE STACK */
1938 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1940 /* format accumulators */
1941 IEXT SV * Iformtarget;
1942 IEXT SV * Ibodytarget;
1943 IEXT SV * Itoptarget;
1945 /* statics moved here for shared library purposes */
1946 IEXT SV Istrchop; /* return value from chop */
1947 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1948 IEXT int Ilastfd; /* what to preserve mode on */
1949 IEXT char * Ioldname; /* what to preserve mode on */
1950 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1951 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1952 IEXT OP * Isortcop; /* user defined sort routine */
1953 IEXT HV * Isortstash; /* which is in some package or other */
1954 IEXT GV * Ifirstgv; /* $a */
1955 IEXT GV * Isecondgv; /* $b */
1956 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1957 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1958 IEXT SV * Imystrk; /* temp key string for do_each() */
1959 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1960 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1961 IEXT I32 Igensym; /* next symbol for getsym() to define */
1962 IEXT bool Ipreambled;
1963 IEXT AV * Ipreambleav;
1964 IEXT int Ilaststatval IINIT(-1);
1965 IEXT I32 Ilaststype IINIT(OP_STAT);
1970 IEXT SV * Ithrsv; /* holds struct perl_thread for main thread */
1971 #endif /* USE_THREADS */
1979 struct interpreter {
1991 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1992 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1994 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1995 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2000 /* The following must follow proto.h */
2004 EXT MGVTBL vtbl_sv = {magic_get,
2008 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2009 0, magic_clear_all_env,
2011 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2014 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2015 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2019 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2021 EXT MGVTBL vtbl_packelem = {magic_getpack,
2025 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2027 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2030 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2032 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2035 EXT MGVTBL vtbl_glob = {magic_getglob,
2038 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2040 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2042 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2044 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2046 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2048 EXT MGVTBL vtbl_pos = {magic_getpos,
2051 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2053 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2055 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2059 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2060 #endif /* USE_THREADS */
2061 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2062 0, 0, magic_freedefelem};
2064 EXT MGVTBL vtbl_regexp = {0,0,0,0, magic_freeregexp};
2066 #ifdef USE_LOCALE_COLLATE
2067 EXT MGVTBL vtbl_collxfrm = {0,
2073 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2074 0, 0, magic_setamagic};
2075 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2076 0, 0, magic_setamagic};
2077 #endif /* OVERLOAD */
2082 EXT MGVTBL vtbl_env;
2083 EXT MGVTBL vtbl_envelem;
2084 EXT MGVTBL vtbl_sig;
2085 EXT MGVTBL vtbl_sigelem;
2086 EXT MGVTBL vtbl_pack;
2087 EXT MGVTBL vtbl_packelem;
2088 EXT MGVTBL vtbl_dbline;
2089 EXT MGVTBL vtbl_isa;
2090 EXT MGVTBL vtbl_isaelem;
2091 EXT MGVTBL vtbl_arylen;
2092 EXT MGVTBL vtbl_glob;
2093 EXT MGVTBL vtbl_mglob;
2094 EXT MGVTBL vtbl_nkeys;
2095 EXT MGVTBL vtbl_taint;
2096 EXT MGVTBL vtbl_substr;
2097 EXT MGVTBL vtbl_vec;
2098 EXT MGVTBL vtbl_pos;
2101 EXT MGVTBL vtbl_uvar;
2104 EXT MGVTBL vtbl_mutex;
2105 #endif /* USE_THREADS */
2107 EXT MGVTBL vtbl_defelem;
2108 EXT MGVTBL vtbl_regexp;
2110 #ifdef USE_LOCALE_COLLATE
2111 EXT MGVTBL vtbl_collxfrm;
2115 EXT MGVTBL vtbl_amagic;
2116 EXT MGVTBL vtbl_amagicelem;
2117 #endif /* OVERLOAD */
2119 #endif /* !DOINIT */
2123 EXT long amagic_generation;
2125 #define NofAMmeth 58
2127 EXTCONST char * AMG_names[NofAMmeth] = {
2128 "fallback", "abs", /* "fallback" should be the first. */
2159 EXTCONST char * AMG_names[NofAMmeth];
2160 #endif /* def INITAMAGIC */
2166 CV* table[NofAMmeth];
2169 struct am_table_short {
2174 typedef struct am_table AMT;
2175 typedef struct am_table_short AMTS;
2177 #define AMGfallNEVER 1
2179 #define AMGfallYES 3
2181 #define AMTf_AMAGIC 1
2182 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2183 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2184 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2187 fallback_amg, abs_amg,
2188 bool__amg, nomethod_amg,
2189 string_amg, numer_amg,
2190 add_amg, add_ass_amg,
2191 subtr_amg, subtr_ass_amg,
2192 mult_amg, mult_ass_amg,
2193 div_amg, div_ass_amg,
2194 mod_amg, mod_ass_amg,
2195 pow_amg, pow_ass_amg,
2196 lshift_amg, lshift_ass_amg,
2197 rshift_amg, rshift_ass_amg,
2198 band_amg, band_ass_amg,
2199 bor_amg, bor_ass_amg,
2200 bxor_amg, bxor_ass_amg,
2213 repeat_amg, repeat_ass_amg,
2214 concat_amg, concat_ass_amg,
2219 * some compilers like to redefine cos et alia as faster
2220 * (and less accurate?) versions called F_cos et cetera (Quidquid
2221 * latine dictum sit, altum viditur.) This trick collides with
2222 * the Perl overloading (amg). The following #defines fool both.
2227 # define F_atan2_amg atan2_amg
2230 # define F_cos_amg cos_amg
2233 # define F_exp_amg exp_amg
2236 # define F_log_amg log_amg
2239 # define F_pow_amg pow_amg
2242 # define F_sin_amg sin_amg
2245 # define F_sqrt_amg sqrt_amg
2247 #endif /* _FASTMATH */
2249 #endif /* OVERLOAD */
2251 #define PERLDB_ALL 0xff
2252 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2253 #define PERLDBf_LINE 0x02 /* Keep line #. */
2254 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2255 #define PERLDBf_INTER 0x08 /* Preserve more data for
2256 later inspections. */
2257 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2258 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2260 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2261 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2262 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2263 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2264 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2265 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2267 #ifdef USE_LOCALE_COLLATE
2268 EXT U32 collation_ix; /* Collation generation index */
2269 EXT char * collation_name; /* Name of current collation */
2270 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2271 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2272 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2273 #endif /* USE_LOCALE_COLLATE */
2275 #ifdef USE_LOCALE_NUMERIC
2277 EXT char * numeric_name; /* Name of current numeric locale */
2278 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2279 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2281 #define SET_NUMERIC_STANDARD() \
2283 if (! numeric_standard) \
2284 perl_set_numeric_standard(); \
2287 #define SET_NUMERIC_LOCAL() \
2289 if (! numeric_local) \
2290 perl_set_numeric_local(); \
2293 #else /* !USE_LOCALE_NUMERIC */
2295 #define SET_NUMERIC_STANDARD() /**/
2296 #define SET_NUMERIC_LOCAL() /**/
2298 #endif /* !USE_LOCALE_NUMERIC */
2300 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2302 * Now we have __attribute__ out of the way
2305 #define printf PerlIO_stdoutf
2308 #ifndef PERL_SCRIPT_MODE
2309 #define PERL_SCRIPT_MODE "r"
2312 #ifndef PERL_SCRIPT_MODE
2313 #define PERL_SCRIPT_MODE "r"
2317 * nice_chunk and nice_chunk size need to be set
2318 * and queried under the protection of sv_mutex
2320 #define offer_nice_chunk(chunk, chunk_size) do { \
2321 MUTEX_LOCK(&sv_mutex); \
2322 if (!nice_chunk) { \
2323 nice_chunk = (char*)(chunk); \
2324 nice_chunk_size = (chunk_size); \
2326 MUTEX_UNLOCK(&sv_mutex); \
2329 #endif /* Include guard */