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
45 #if defined(USE_THREADS) /* && !defined(PERL_CORE) && !defined(PERLDLL) */
53 # define stringify_immed(s) #s
54 # define stringify(s) stringify_immed(s)
55 register struct op *op asm(stringify(OP_IN_REGISTER));
60 * STMT_START { statements; } STMT_END;
61 * can be used as a single statement, as in
62 * if (x) STMT_START { ... } STMT_END; else ...
64 * Trying to select a version that gives no warnings...
66 #if !(defined(STMT_START) && defined(STMT_END))
67 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
68 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
71 /* Now which other defined()s do we need here ??? */
72 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
73 # define STMT_START if (1)
74 # define STMT_END else (void)0
76 # define STMT_START do
77 # define STMT_END while (0)
84 #define WITH_THR(s) do { dTHR; s; } while (0)
87 * SOFT_CAST can be used for args to prototyped functions to retain some
88 * type checking; it only casts if the compiler does not know prototypes.
90 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
91 #define SOFT_CAST(type)
93 #define SOFT_CAST(type) (type)
97 # define BYTEORDER 0x1234
100 /* Overall memory policy? */
106 * The following contortions are brought to you on behalf of all the
107 * standards, semi-standards, de facto standards, not-so-de-facto standards
108 * of the world, as well as all the other botches anyone ever thought of.
109 * The basic theory is that if we work hard enough here, the rest of the
110 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
113 /* define this once if either system, instead of cluttering up the src */
114 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
118 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
119 # define STANDARD_C 1
122 #if defined(__cplusplus) || defined(WIN32)
123 # define DONT_DECLARE_STD 1
126 #if defined(HASVOLATILE) || defined(STANDARD_C)
128 # define VOL // to temporarily suppress warnings
130 # define VOL volatile
136 #define TAINT (tainted = TRUE)
137 #define TAINT_NOT (tainted = FALSE)
138 #define TAINT_IF(c) if (c) { tainted = TRUE; }
139 #define TAINT_ENV() if (tainting) { taint_env(); }
140 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
142 /* XXX All process group stuff is handled in pp_sys.c. Should these
143 defines move there? If so, I could simplify this a lot. --AD 9/96.
145 /* Process group stuff changed from traditional BSD to POSIX.
146 perlfunc.pod documents the traditional BSD-style syntax, so we'll
147 try to preserve that, if possible.
150 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
152 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
153 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
155 # ifdef HAS_SETPGRP2 /* DG/UX */
156 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
160 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
161 # define HAS_SETPGRP /* Well, effectively it does . . . */
164 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
165 our life easier :-) so we'll try it.
168 # define BSD_GETPGRP(pid) getpgid((pid))
170 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
171 # define BSD_GETPGRP(pid) getpgrp((pid))
173 # ifdef HAS_GETPGRP2 /* DG/UX */
174 # define BSD_GETPGRP(pid) getpgrp2((pid))
178 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
179 # define HAS_GETPGRP /* Well, effectively it does . . . */
182 /* These are not exact synonyms, since setpgrp() and getpgrp() may
183 have different behaviors, but perl.h used to define USE_BSDPGRP
184 (prior to 5.003_05) so some extension might depend on it.
186 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
192 #ifndef _TYPES_ /* If types.h defines this it's easy. */
193 # ifndef major /* Does everyone's types.h define this? */
194 # include <sys/types.h>
208 # include <varargs.h>
214 #ifdef USE_NEXT_CTYPE
216 #if NX_CURRENT_COMPILER_RELEASE >= 400
217 #include <objc/NXCType.h>
218 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
219 #include <appkit/NXCType.h>
220 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
222 #else /* !USE_NEXT_CTYPE */
224 #endif /* USE_NEXT_CTYPE */
226 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
234 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
236 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
237 && defined(HAS_STRXFRM)
238 # define USE_LOCALE_COLLATE
240 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
241 # define USE_LOCALE_CTYPE
243 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
244 # define USE_LOCALE_NUMERIC
246 #endif /* !NO_LOCALE && HAS_SETLOCALE */
251 # ifdef PARAM_NEEDS_TYPES
252 # include <sys/types.h>
254 # include <sys/param.h>
258 /* Use all the "standard" definitions? */
259 #if defined(STANDARD_C) && defined(I_STDLIB)
263 /* This comes after <stdlib.h> so we don't try to change the standard
264 * library prototypes; we'll use our own in proto.h instead. */
269 # define malloc Mymalloc
270 # define calloc Mycalloc
271 # define realloc Myremalloc
274 # ifdef EMBEDMYMALLOC
275 # define malloc Perl_malloc
276 # define calloc Perl_calloc
277 # define realloc Perl_realloc
278 # define free Perl_free
285 # define safemalloc malloc
286 # define safecalloc calloc
287 # define saferealloc realloc
288 # define safefree free
290 #endif /* MYMALLOC */
292 #define MEM_SIZE Size_t
294 #if defined(STANDARD_C) && defined(I_STDDEF)
296 # define STRUCT_OFFSET(s,m) offsetof(s,m)
298 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
301 #if defined(I_STRING) || defined(__cplusplus)
304 # include <strings.h>
307 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
309 #define strrchr rindex
317 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
319 extern char * memcpy _((char*, char*, int));
325 # define memcpy(d,s,l) bcopy(s,d,l)
327 # define memcpy(d,s,l) my_bcopy(s,d,l)
330 #endif /* HAS_MEMCPY */
333 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
335 extern char *memset _((char*, int, int));
339 # define memset(d,c,l) my_memset(d,c,l)
340 #endif /* HAS_MEMSET */
342 #if !defined(HAS_MEMMOVE) && !defined(memmove)
343 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
344 # define memmove(d,s,l) bcopy(s,d,l)
346 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
347 # define memmove(d,s,l) memcpy(d,s,l)
349 # define memmove(d,s,l) my_bcopy(s,d,l)
354 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
358 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
359 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
361 extern int memcmp _((char*, char*, int));
365 # pragma function(memcmp)
369 # define memcmp my_memcmp
371 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
375 # define memzero(d,l) memset(d,0,l)
378 # define memzero(d,l) bzero(d,l)
380 # define memzero(d,l) my_bzero(d,l)
387 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
389 #endif /* !HAS_BCMP */
392 # include <netinet/in.h>
395 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
396 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
397 * (the neo-BSD seem to do this). */
402 # include <sys/stat.h>
405 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
406 like UTekV) are broken, sometimes giving false positives. Undefine
407 them here and let the code below set them to proper values.
409 The ghs macro stands for GreenHills Software C-1.8.5 which
410 is the C compiler for sysV88 and the various derivatives.
411 This header file bug is corrected in gcc-2.5.8 and later versions.
412 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
414 #if defined(uts) || (defined(m88k) && defined(ghs))
428 # ifdef I_SYS_TIME_KERNEL
431 # include <sys/time.h>
432 # ifdef I_SYS_TIME_KERNEL
437 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
438 # include <sys/times.h>
441 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
447 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
449 #endif /* !HAS_MKFIFO */
454 # include <net/errno.h>
459 # define SETERRNO(errcode,vmserrcode) \
461 set_errno(errcode); \
462 set_vaxc_errno(vmserrcode); \
465 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
469 # define ERRSV (thr->errsv)
470 # define ERRHV (thr->errhv)
472 # define ERRSV GvSV(errgv)
473 # define ERRHV GvHV(errgv)
474 #endif /* USE_THREADS */
477 extern int errno; /* ANSI allows errno to be an lvalue expr */
482 char *strerror _((int,...));
484 #ifndef DONT_DECLARE_STD
485 char *strerror _((int));
489 # define Strerror strerror
492 # ifdef HAS_SYS_ERRLIST
494 extern char *sys_errlist[];
496 # define Strerror(e) \
497 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
504 # include <sys/ioctl.h>
508 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
509 # ifdef HAS_SOCKETPAIR
510 # undef HAS_SOCKETPAIR
525 /* Configure already sets Direntry_t */
526 #if defined(I_DIRENT)
528 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
529 # include <sys/dir.h>
533 # include <sys/ndir.h>
537 # include <ndir.h> /* may be wrong in the future */
539 # include <sys/dir.h>
546 /* work around botch in SunOS 4.0.1 and 4.0.2 */
548 # define fputs(sv,fp) fprintf(fp,"%s",sv)
553 * The following gobbledygook brought to you on behalf of __STDC__.
554 * (I could just use #ifndef __STDC__, but this is more bulletproof
555 * in the face of half-implementations.)
560 # define S_IFMT _S_IFMT
562 # define S_IFMT 0170000
567 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
571 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
576 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
578 # define S_ISBLK(m) (0)
583 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
588 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
590 # define S_ISFIFO(m) (0)
596 # define S_ISLNK(m) _S_ISLNK(m)
599 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
602 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
604 # define S_ISLNK(m) (0)
612 # define S_ISSOCK(m) _S_ISSOCK(m)
615 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
618 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
620 # define S_ISSOCK(m) (0)
628 # define S_IRUSR S_IREAD
629 # define S_IWUSR S_IWRITE
630 # define S_IXUSR S_IEXEC
632 # define S_IRUSR 0400
633 # define S_IWUSR 0200
634 # define S_IXUSR 0100
636 # define S_IRGRP (S_IRUSR>>3)
637 # define S_IWGRP (S_IWUSR>>3)
638 # define S_IXGRP (S_IXUSR>>3)
639 # define S_IROTH (S_IRUSR>>6)
640 # define S_IWOTH (S_IWUSR>>6)
641 # define S_IXOTH (S_IXUSR>>6)
645 # define S_ISUID 04000
649 # define S_ISGID 02000
656 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
657 # define SLOPPYDIVIDE
664 /* XXX QUAD stuff is not currently supported on most systems.
665 Specifically, perl internals don't support long long. Among
666 the many problems is that some compilers support long long,
667 but the underlying library functions (such as sprintf) don't.
668 Some things do work (such as quad pack/unpack on convex);
669 also some systems use long long for the fpos_t typedef. That
672 The IV type is supposed to be long enough to hold any integral
674 --Andy Dougherty August 1996
681 # define Quad_t long long
683 # if BYTEORDER > 0xFFFF
692 typedef unsigned Quad_t UV;
693 # define IV_MAX PERL_QUAD_MAX
694 # define IV_MIN PERL_QUAD_MIN
695 # define UV_MAX PERL_UQUAD_MAX
696 # define UV_MIN PERL_UQUAD_MIN
699 typedef unsigned long UV;
700 # define IV_MAX PERL_LONG_MAX
701 # define IV_MIN PERL_LONG_MIN
702 # define UV_MAX PERL_ULONG_MAX
703 # define UV_MIN PERL_ULONG_MIN
706 /* Previously these definitions used hardcoded figures.
707 * It is hoped these formula are more portable, although
708 * no data one way or another is presently known to me.
709 * The "PERL_" names are used because these calculated constants
710 * do not meet the ANSI requirements for LONG_MAX, etc., which
711 * need to be constants acceptable to #if - kja
712 * define PERL_LONG_MAX 2147483647L
713 * define PERL_LONG_MIN (-LONG_MAX - 1)
714 * define PERL ULONG_MAX 4294967295L
717 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
726 * Try to figure out max and min values for the integral types. THE CORRECT
727 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
728 * following hacks are used if neither limits.h or values.h provide them:
729 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
730 * for types < int: (unsigned TYPE)~(unsigned)0
731 * The argument to ~ must be unsigned so that later signed->unsigned
732 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
733 * and it must not be smaller than int because ~ does integral promotion.
734 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
735 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
736 * The latter is a hack which happens to work on some machines but
737 * does *not* catch any random system, or things like integer types
738 * with NaN if that is possible.
740 * All of the types are explicitly cast to prevent accidental loss of
741 * numeric range, and in the hope that they will be less likely to confuse
742 * over-eager optimizers.
746 #define PERL_UCHAR_MIN ((unsigned char)0)
749 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
752 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
754 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
759 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
760 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
761 * depending on local options. Until Configure detects this (or at least
762 * detects whether the "signed" keyword is available) the CHAR ranges
763 * will not be included. UCHAR functions normally.
767 #define PERL_USHORT_MIN ((unsigned short)0)
770 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
773 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
775 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
780 # define PERL_SHORT_MAX ((short)SHORT_MAX)
782 # ifdef MAXSHORT /* Often used in <values.h> */
783 # define PERL_SHORT_MAX ((short)MAXSHORT)
785 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
790 # define PERL_SHORT_MIN ((short)SHORT_MIN)
793 # define PERL_SHORT_MIN ((short)MINSHORT)
795 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
800 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
803 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
805 # define PERL_UINT_MAX (~(unsigned int)0)
809 #define PERL_UINT_MIN ((unsigned int)0)
812 # define PERL_INT_MAX ((int)INT_MAX)
814 # ifdef MAXINT /* Often used in <values.h> */
815 # define PERL_INT_MAX ((int)MAXINT)
817 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
822 # define PERL_INT_MIN ((int)INT_MIN)
825 # define PERL_INT_MIN ((int)MININT)
827 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
832 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
835 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
837 # define PERL_ULONG_MAX (~(unsigned long)0)
841 #define PERL_ULONG_MIN ((unsigned long)0L)
844 # define PERL_LONG_MAX ((long)LONG_MAX)
846 # ifdef MAXLONG /* Often used in <values.h> */
847 # define PERL_LONG_MAX ((long)MAXLONG)
849 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
854 # define PERL_LONG_MIN ((long)LONG_MIN)
857 # define PERL_LONG_MIN ((long)MINLONG)
859 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
866 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
868 # define PERL_UQUAD_MAX (~(UV)0)
871 # define PERL_UQUAD_MIN ((UV)0)
874 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
876 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
880 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
882 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
887 /* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
889 # define CONTEXT PERL_CONTEXT
892 typedef MEM_SIZE STRLEN;
894 typedef struct op OP;
895 typedef struct cop COP;
896 typedef struct unop UNOP;
897 typedef struct binop BINOP;
898 typedef struct listop LISTOP;
899 typedef struct logop LOGOP;
900 typedef struct condop CONDOP;
901 typedef struct pmop PMOP;
902 typedef struct svop SVOP;
903 typedef struct gvop GVOP;
904 typedef struct pvop PVOP;
905 typedef struct loop LOOP;
907 typedef struct Outrec Outrec;
908 typedef struct interpreter PerlInterpreter;
910 typedef struct ff FF; /* XXX not defined anywhere, should go? */
912 typedef struct sv SV;
913 typedef struct av AV;
914 typedef struct hv HV;
915 typedef struct cv CV;
916 typedef struct regexp REGEXP;
917 typedef struct gp GP;
918 typedef struct gv GV;
919 typedef struct io IO;
920 typedef struct context CONTEXT;
921 typedef struct block BLOCK;
923 typedef struct magic MAGIC;
924 typedef struct xrv XRV;
925 typedef struct xpv XPV;
926 typedef struct xpviv XPVIV;
927 typedef struct xpvuv XPVUV;
928 typedef struct xpvnv XPVNV;
929 typedef struct xpvmg XPVMG;
930 typedef struct xpvlv XPVLV;
931 typedef struct xpvav XPVAV;
932 typedef struct xpvhv XPVHV;
933 typedef struct xpvgv XPVGV;
934 typedef struct xpvcv XPVCV;
935 typedef struct xpvbm XPVBM;
936 typedef struct xpvfm XPVFM;
937 typedef struct xpvio XPVIO;
938 typedef struct mgvtbl MGVTBL;
939 typedef union any ANY;
943 typedef I32 (*filter_t) _((int, SV *, int));
944 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
945 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
946 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
959 # include "./plan9/plan9ish.h"
961 # include "unixish.h"
967 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
968 * which defines NSIG - which will stop inclusion of <signal.h>
969 * this results in many functions being undeclared which bothers C++
970 * May make sense to have threads after "*ish.h" anyway
975 # include "fakethr.h"
978 # include <win32thread.h>
980 # include <pthread.h>
981 typedef pthread_mutex_t perl_mutex;
982 typedef pthread_cond_t perl_cond;
983 typedef pthread_key_t perl_key;
985 # endif /* FAKE_THREADS */
986 #endif /* USE_THREADS */
991 # define STATUS_NATIVE statusvalue_vms
992 # define STATUS_NATIVE_EXPORT \
993 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
994 # define STATUS_NATIVE_SET(n) \
996 statusvalue_vms = (n); \
997 if ((I32)statusvalue_vms == -1) \
999 else if (statusvalue_vms & STS$M_SUCCESS) \
1001 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
1002 statusvalue = 1 << 8; \
1004 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
1006 # define STATUS_POSIX statusvalue
1007 # ifdef VMSISH_STATUS
1008 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1010 # define STATUS_CURRENT STATUS_POSIX
1012 # define STATUS_POSIX_SET(n) \
1014 statusvalue = (n); \
1015 if (statusvalue != -1) { \
1016 statusvalue &= 0xFFFF; \
1017 statusvalue_vms = statusvalue ? 44 : 1; \
1019 else statusvalue_vms = -1; \
1021 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1022 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1024 # define STATUS_NATIVE STATUS_POSIX
1025 # define STATUS_NATIVE_EXPORT STATUS_POSIX
1026 # define STATUS_NATIVE_SET STATUS_POSIX_SET
1027 # define STATUS_POSIX statusvalue
1028 # define STATUS_POSIX_SET(n) \
1030 statusvalue = (n); \
1031 if (statusvalue != -1) \
1032 statusvalue &= 0xFFFF; \
1034 # define STATUS_CURRENT STATUS_POSIX
1035 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1036 # define STATUS_ALL_FAILURE (statusvalue = 1)
1039 /* Some unistd.h's give a prototype for pause() even though
1040 HAS_PAUSE ends up undefined. This causes the #define
1041 below to be rejected by the compmiler. Sigh.
1046 #define Pause() sleep((32767<<16)+32767)
1050 # ifdef IOCPARM_MASK
1051 /* on BSDish systes we're safe */
1052 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1054 /* otherwise guess at what's safe */
1055 # define IOCPARM_LEN(x) 256
1064 void (*any_dptr) _((void*));
1068 #define ARGSproto struct thread *thr
1070 #define ARGSproto void
1071 #endif /* USE_THREADS */
1073 /* Work around some cygwin32 problems with importing global symbols */
1074 #if defined(CYGWIN32) && defined(DLLIMPORT)
1075 # include "cw32imp.h"
1092 /* work around some libPW problems */
1097 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1101 #if defined(htonl) && !defined(HAS_HTONL)
1104 #if defined(htons) && !defined(HAS_HTONS)
1107 #if defined(ntohl) && !defined(HAS_NTOHL)
1110 #if defined(ntohs) && !defined(HAS_NTOHS)
1114 #if (BYTEORDER & 0xffff) != 0x4321
1120 #define htons my_swap
1121 #define htonl my_htonl
1122 #define ntohs my_swap
1123 #define ntohl my_ntohl
1126 #if (BYTEORDER & 0xffff) == 0x4321
1135 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1138 #if BYTEORDER != 0x1234
1143 # if BYTEORDER == 0x4321
1144 # define vtohl(x) ((((x)&0xFF)<<24) \
1146 +(((x)&0x0000FF00)<<8) \
1147 +(((x)&0x00FF0000)>>8) )
1148 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1149 # define htovl(x) vtohl(x)
1150 # define htovs(x) vtohs(x)
1152 /* otherwise default to functions in util.c */
1156 #define U_S(what) ((U16)(what))
1157 #define U_I(what) ((unsigned int)(what))
1158 #define U_L(what) ((U32)(what))
1160 EXTERN_C U32 cast_ulong _((double));
1161 #define U_S(what) ((U16)cast_ulong((double)(what)))
1162 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1163 #define U_L(what) (cast_ulong((double)(what)))
1167 #define I_32(what) ((I32)(what))
1168 #define I_V(what) ((IV)(what))
1169 #define U_V(what) ((UV)(what))
1172 I32 cast_i32 _((double));
1173 IV cast_iv _((double));
1174 UV cast_uv _((double));
1176 #define I_32(what) (cast_i32((double)(what)))
1177 #define I_V(what) (cast_iv((double)(what)))
1178 #define U_V(what) (cast_uv((double)(what)))
1192 # define TMPPATH "/tmp/perl-eXXXXXX"
1196 Uid_t getuid _((void));
1197 Uid_t geteuid _((void));
1198 Gid_t getgid _((void));
1199 Gid_t getegid _((void));
1203 #ifndef Perl_debug_log
1204 #define Perl_debug_log PerlIO_stderr()
1208 #define DEBUG(a) if (debug) a
1209 #define DEBUG_p(a) if (debug & 1) a
1210 #define DEBUG_s(a) if (debug & 2) a
1211 #define DEBUG_l(a) if (debug & 4) a
1212 #define DEBUG_t(a) if (debug & 8) a
1213 #define DEBUG_o(a) if (debug & 16) a
1214 #define DEBUG_c(a) if (debug & 32) a
1215 #define DEBUG_P(a) if (debug & 64) a
1216 #define DEBUG_m(a) if (curinterp && debug & 128) a
1217 #define DEBUG_f(a) if (debug & 256) a
1218 #define DEBUG_r(a) if (debug & 512) a
1219 #define DEBUG_x(a) if (debug & 1024) a
1220 #define DEBUG_u(a) if (debug & 2048) a
1221 #define DEBUG_L(a) if (debug & 4096) a
1222 #define DEBUG_H(a) if (debug & 8192) a
1223 #define DEBUG_X(a) if (debug & 16384) a
1224 #define DEBUG_D(a) if (debug & 32768) a
1245 #define YYMAXDEPTH 300
1247 #ifndef assert /* <assert.h> might have been included somehow */
1248 #define assert(what) DEB( { \
1250 croak("Assertion failed: file \"%s\", line %d", \
1251 __FILE__, __LINE__); \
1257 I32 (*uf_val)_((IV, SV*));
1258 I32 (*uf_set)_((IV, SV*));
1262 /* Fix these up for __STDC__ */
1263 #ifndef DONT_DECLARE_STD
1264 char *mktemp _((char*));
1265 double atof _((const char*));
1269 /* All of these are in stdlib.h or time.h for ANSI C */
1271 struct tm *gmtime(), *localtime();
1272 char *strchr(), *strrchr();
1273 char *strcpy(), *strcat();
1274 #endif /* ! STANDARD_C */
1281 double exp _((double));
1282 double log _((double));
1283 double log10 _((double));
1284 double sqrt _((double));
1285 double frexp _((double,int*));
1286 double ldexp _((double,int));
1287 double modf _((double,double*));
1288 double sin _((double));
1289 double cos _((double));
1290 double atan2 _((double,double));
1291 double pow _((double,double));
1296 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1297 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1299 char *crypt _((const char*, const char*));
1301 #ifndef DONT_DECLARE_STD
1303 char *getenv _((const char*));
1305 Off_t lseek _((int,Off_t,int));
1307 char *getlogin _((void));
1310 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1311 #define UNLINK unlnk
1312 I32 unlnk _((char*));
1314 #define UNLINK unlink
1317 #ifndef HAS_SETREUID
1318 # ifdef HAS_SETRESUID
1319 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1320 # define HAS_SETREUID
1323 #ifndef HAS_SETREGID
1324 # ifdef HAS_SETRESGID
1325 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1326 # define HAS_SETREGID
1330 typedef Signal_t (*Sighandler_t) _((int));
1332 #ifdef HAS_SIGACTION
1333 typedef struct sigaction Sigsave_t;
1335 typedef Sighandler_t Sigsave_t;
1346 # define PAD_SV(po) pad_sv(po)
1347 # define RUNOPS_DEFAULT runops_debug
1349 # define PAD_SV(po) curpad[po]
1350 # define RUNOPS_DEFAULT runops_standard
1354 * These need prototyping here because <proto.h> isn't
1355 * included until after runops is initialised.
1358 int runops_standard _((void));
1360 int runops_debug _((void));
1363 #define PER_THREAD_MAGICALS "123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1370 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1372 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1373 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1374 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1375 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1376 EXT perl_cond eval_cond; /* Condition variable for doeval */
1377 EXT struct thread * eval_owner; /* Owner thread for doeval */
1378 EXT int nthreads; /* Number of threads currently */
1379 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1380 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1381 EXT char * per_thread_magicals INIT(PER_THREAD_MAGICALS);
1383 EXT struct thread * thr; /* Currently executing (fake) thread */
1385 #endif /* USE_THREADS */
1387 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1388 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1389 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun))
1390 extern char ** environ; /* environment variables supplied via exec */
1393 # if defined(NeXT) && defined(__DYNAMIC__)
1395 # include <mach-o/dyld.h>
1396 EXT char *** environ_pointer;
1397 # define environ (*environ_pointer)
1399 #endif /* environ processing */
1401 EXT int uid; /* current real user id */
1402 EXT int euid; /* current effective user id */
1403 EXT int gid; /* current real group id */
1404 EXT int egid; /* current effective group id */
1405 EXT bool nomemok; /* let malloc context handle nomem */
1406 EXT U32 an; /* malloc sequence number */
1407 EXT U32 cop_seqmax; /* statement sequence number */
1408 EXT U16 op_seqmax; /* op sequence number */
1409 EXT U32 evalseq; /* eval sequence number */
1410 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1411 EXT char ** origenviron;
1413 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1414 EXT U32 * profiledata;
1415 EXT int maxo INIT(MAXO);/* Number of ops */
1416 EXT char * osname; /* operating system */
1417 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1418 EXT Sighandler_t sighandlerp;
1420 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1421 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1422 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1423 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1424 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1425 EXT HE * he_root; /* free he list--shared by interpreters */
1426 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1427 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1429 /* Stack for currently executing thread--context switch must handle this. */
1430 EXT SV ** stack_base; /* stack->array_ary */
1431 EXT SV ** stack_sp; /* stack pointer now */
1432 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1434 /* likewise for these */
1436 #ifdef OP_IN_REGISTER
1437 EXT OP * opsave; /* save current op register across longjmps */
1439 EXT OP * op; /* current op--when not in a global register */
1441 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1442 EXT I32 * scopestack; /* blocks we've entered */
1443 EXT I32 scopestack_ix;
1444 EXT I32 scopestack_max;
1446 EXT ANY* savestack; /* to save non-local values on */
1447 EXT I32 savestack_ix;
1448 EXT I32 savestack_max;
1450 EXT OP ** retstack; /* returns we've pushed */
1451 EXT I32 retstack_ix;
1452 EXT I32 retstack_max;
1454 EXT I32 * markstack; /* stackmarks we're remembering */
1455 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1456 EXT I32 * markstack_max; /* stackmarks we're remembering */
1463 EXT char tokenbuf[256];
1464 EXT struct stat statbuf;
1466 EXT struct tms timesbuf;
1468 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1470 /* for tmp use in stupid debuggers */
1475 /* handy constants */
1476 EXTCONST char * Yes INIT("1");
1477 EXTCONST char * No INIT("");
1478 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1479 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1480 EXTCONST char * vert INIT("|");
1482 EXTCONST char warn_uninit[]
1483 INIT("Use of uninitialized value");
1484 EXTCONST char warn_nosemi[]
1485 INIT("Semicolon seems to be missing");
1486 EXTCONST char warn_reserved[]
1487 INIT("Unquoted string \"%s\" may clash with future reserved word");
1488 EXTCONST char warn_nl[]
1489 INIT("Unsuccessful %s on filename containing newline");
1490 EXTCONST char no_wrongref[]
1491 INIT("Can't use %s ref as %s ref");
1492 EXTCONST char no_symref[]
1493 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1494 EXTCONST char no_usym[]
1495 INIT("Can't use an undefined value as %s reference");
1496 EXTCONST char no_aelem[]
1497 INIT("Modification of non-creatable array value attempted, subscript %d");
1498 EXTCONST char no_helem[]
1499 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1500 EXTCONST char no_modify[]
1501 INIT("Modification of a read-only value attempted");
1502 EXTCONST char no_mem[]
1503 INIT("Out of memory!\n");
1504 EXTCONST char no_security[]
1505 INIT("Insecure dependency in %s%s");
1506 EXTCONST char no_sock_func[]
1507 INIT("Unsupported socket function \"%s\" called");
1508 EXTCONST char no_dir_func[]
1509 INIT("Unsupported directory function \"%s\" called");
1510 EXTCONST char no_func[]
1511 INIT("The %s function is unimplemented");
1512 EXTCONST char no_myglob[]
1513 INIT("\"my\" variable %s can't be in a package");
1519 EXT char * cshname INIT(CSH);
1524 EXT char *sig_name[] = { SIG_NAME };
1525 EXT int sig_num[] = { SIG_NUM };
1526 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1527 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1529 EXT char *sig_name[];
1531 EXT SV * psig_ptr[];
1532 EXT SV * psig_name[];
1535 /* fast case folding tables */
1538 EXTCONST unsigned char fold[] = {
1539 0, 1, 2, 3, 4, 5, 6, 7,
1540 8, 9, 10, 11, 12, 13, 14, 15,
1541 16, 17, 18, 19, 20, 21, 22, 23,
1542 24, 25, 26, 27, 28, 29, 30, 31,
1543 32, 33, 34, 35, 36, 37, 38, 39,
1544 40, 41, 42, 43, 44, 45, 46, 47,
1545 48, 49, 50, 51, 52, 53, 54, 55,
1546 56, 57, 58, 59, 60, 61, 62, 63,
1547 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1548 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1549 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1550 'x', 'y', 'z', 91, 92, 93, 94, 95,
1551 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1552 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1553 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1554 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1555 128, 129, 130, 131, 132, 133, 134, 135,
1556 136, 137, 138, 139, 140, 141, 142, 143,
1557 144, 145, 146, 147, 148, 149, 150, 151,
1558 152, 153, 154, 155, 156, 157, 158, 159,
1559 160, 161, 162, 163, 164, 165, 166, 167,
1560 168, 169, 170, 171, 172, 173, 174, 175,
1561 176, 177, 178, 179, 180, 181, 182, 183,
1562 184, 185, 186, 187, 188, 189, 190, 191,
1563 192, 193, 194, 195, 196, 197, 198, 199,
1564 200, 201, 202, 203, 204, 205, 206, 207,
1565 208, 209, 210, 211, 212, 213, 214, 215,
1566 216, 217, 218, 219, 220, 221, 222, 223,
1567 224, 225, 226, 227, 228, 229, 230, 231,
1568 232, 233, 234, 235, 236, 237, 238, 239,
1569 240, 241, 242, 243, 244, 245, 246, 247,
1570 248, 249, 250, 251, 252, 253, 254, 255
1573 EXTCONST unsigned char fold[];
1577 EXT unsigned char fold_locale[] = {
1578 0, 1, 2, 3, 4, 5, 6, 7,
1579 8, 9, 10, 11, 12, 13, 14, 15,
1580 16, 17, 18, 19, 20, 21, 22, 23,
1581 24, 25, 26, 27, 28, 29, 30, 31,
1582 32, 33, 34, 35, 36, 37, 38, 39,
1583 40, 41, 42, 43, 44, 45, 46, 47,
1584 48, 49, 50, 51, 52, 53, 54, 55,
1585 56, 57, 58, 59, 60, 61, 62, 63,
1586 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1587 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1588 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1589 'x', 'y', 'z', 91, 92, 93, 94, 95,
1590 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1591 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1592 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1593 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1594 128, 129, 130, 131, 132, 133, 134, 135,
1595 136, 137, 138, 139, 140, 141, 142, 143,
1596 144, 145, 146, 147, 148, 149, 150, 151,
1597 152, 153, 154, 155, 156, 157, 158, 159,
1598 160, 161, 162, 163, 164, 165, 166, 167,
1599 168, 169, 170, 171, 172, 173, 174, 175,
1600 176, 177, 178, 179, 180, 181, 182, 183,
1601 184, 185, 186, 187, 188, 189, 190, 191,
1602 192, 193, 194, 195, 196, 197, 198, 199,
1603 200, 201, 202, 203, 204, 205, 206, 207,
1604 208, 209, 210, 211, 212, 213, 214, 215,
1605 216, 217, 218, 219, 220, 221, 222, 223,
1606 224, 225, 226, 227, 228, 229, 230, 231,
1607 232, 233, 234, 235, 236, 237, 238, 239,
1608 240, 241, 242, 243, 244, 245, 246, 247,
1609 248, 249, 250, 251, 252, 253, 254, 255
1612 EXT unsigned char fold_locale[];
1616 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1617 1, 2, 84, 151, 154, 155, 156, 157,
1618 165, 246, 250, 3, 158, 7, 18, 29,
1619 40, 51, 62, 73, 85, 96, 107, 118,
1620 129, 140, 147, 148, 149, 150, 152, 153,
1621 255, 182, 224, 205, 174, 176, 180, 217,
1622 233, 232, 236, 187, 235, 228, 234, 226,
1623 222, 219, 211, 195, 188, 193, 185, 184,
1624 191, 183, 201, 229, 181, 220, 194, 162,
1625 163, 208, 186, 202, 200, 218, 198, 179,
1626 178, 214, 166, 170, 207, 199, 209, 206,
1627 204, 160, 212, 216, 215, 192, 175, 173,
1628 243, 172, 161, 190, 203, 189, 164, 230,
1629 167, 248, 227, 244, 242, 255, 241, 231,
1630 240, 253, 169, 210, 245, 237, 249, 247,
1631 239, 168, 252, 251, 254, 238, 223, 221,
1632 213, 225, 177, 197, 171, 196, 159, 4,
1633 5, 6, 8, 9, 10, 11, 12, 13,
1634 14, 15, 16, 17, 19, 20, 21, 22,
1635 23, 24, 25, 26, 27, 28, 30, 31,
1636 32, 33, 34, 35, 36, 37, 38, 39,
1637 41, 42, 43, 44, 45, 46, 47, 48,
1638 49, 50, 52, 53, 54, 55, 56, 57,
1639 58, 59, 60, 61, 63, 64, 65, 66,
1640 67, 68, 69, 70, 71, 72, 74, 75,
1641 76, 77, 78, 79, 80, 81, 82, 83,
1642 86, 87, 88, 89, 90, 91, 92, 93,
1643 94, 95, 97, 98, 99, 100, 101, 102,
1644 103, 104, 105, 106, 108, 109, 110, 111,
1645 112, 113, 114, 115, 116, 117, 119, 120,
1646 121, 122, 123, 124, 125, 126, 127, 128,
1647 130, 131, 132, 133, 134, 135, 136, 137,
1648 138, 139, 141, 142, 143, 144, 145, 146
1651 EXTCONST unsigned char freq[];
1656 EXTCONST char* block_type[] = {
1665 EXTCONST char* block_type[];
1669 /*****************************************************************************/
1670 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1671 /*****************************************************************************/
1672 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1676 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1687 EXT U32 lex_state; /* next token is determined */
1688 EXT U32 lex_defer; /* state after determined token */
1689 EXT expectation lex_expect; /* expect after determined token */
1690 EXT I32 lex_brackets; /* bracket count */
1691 EXT I32 lex_formbrack; /* bracket count at outer format level */
1692 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1693 EXT I32 lex_casemods; /* casemod count */
1694 EXT I32 lex_dojoin; /* doing an array interpolation */
1695 EXT I32 lex_starts; /* how many interps done on level */
1696 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1697 EXT SV * lex_repl; /* runtime replacement from s/// */
1698 EXT OP * lex_op; /* extra info to pass back on op */
1699 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1700 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1701 EXT char * lex_brackstack; /* what kind of brackets to pop */
1702 EXT char * lex_casestack; /* what kind of case mods in effect */
1704 /* What we know when we're in LEX_KNOWNEXT state. */
1705 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1706 EXT I32 nexttype[5]; /* type of next token */
1709 EXT PerlIO * VOL rsfp INIT(Nullfp);
1712 EXT char * oldbufptr;
1713 EXT char * oldoldbufptr;
1715 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1716 EXT AV * rsfp_filters;
1718 EXT I32 multi_start; /* 1st line of multi-line string */
1719 EXT I32 multi_end; /* last line of multi-line string */
1720 EXT I32 multi_open; /* delimiter of said string */
1721 EXT I32 multi_close; /* delimiter of said string */
1724 EXT I32 error_count; /* how many errors so far, max 10 */
1725 EXT I32 subline; /* line this subroutine began on */
1726 EXT SV * subname; /* name of current subroutine */
1728 EXT CV * compcv; /* currently compiling subroutine */
1729 EXT AV * comppad; /* storage for lexically scoped temporaries */
1730 EXT AV * comppad_name; /* variable names for "my" variables */
1731 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1732 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1733 EXT I32 min_intro_pending;/* start of vars to introduce */
1734 EXT I32 max_intro_pending;/* end of vars to introduce */
1735 EXT I32 padix; /* max used index in current "register" pad */
1736 EXT I32 padix_floor; /* how low may inner block reset padix */
1737 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1740 EXT I32 thisexpr; /* name id for nothing_in_common() */
1741 EXT char * last_uni; /* position of last named-unary operator */
1742 EXT char * last_lop; /* position of last list operator */
1743 EXT OPCODE last_lop_op; /* last list operator */
1744 EXT bool in_my; /* we're compiling a "my" declaration */
1745 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1747 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1750 EXT U32 hints; /* various compilation flags */
1752 /* Note: the lowest 8 bits are reserved for
1753 stuffing into op->op_private */
1754 #define HINT_INTEGER 0x00000001
1755 #define HINT_STRICT_REFS 0x00000002
1757 #define HINT_BLOCK_SCOPE 0x00000100
1758 #define HINT_STRICT_SUBS 0x00000200
1759 #define HINT_STRICT_VARS 0x00000400
1760 #define HINT_LOCALE 0x00000800
1762 /**************************************************************************/
1763 /* This regexp stuff is global since it always happens within 1 expr eval */
1764 /**************************************************************************/
1766 EXT char * regprecomp; /* uncompiled string. */
1767 EXT char * regparse; /* Input-scan pointer. */
1768 EXT char * regxend; /* End of input for compile */
1769 EXT I32 regnpar; /* () count. */
1770 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1771 EXT I32 regsize; /* Code size. */
1772 EXT I32 regnaughty; /* How bad is this pattern? */
1773 EXT I32 regsawback; /* Did we see \1, ...? */
1775 EXT char * reginput; /* String-input pointer. */
1776 EXT char * regbol; /* Beginning of input, for ^ check. */
1777 EXT char * regeol; /* End of input, for $ check. */
1778 EXT char ** regstartp; /* Pointer to startp array. */
1779 EXT char ** regendp; /* Ditto for endp. */
1780 EXT U32 * reglastparen; /* Similarly for lastparen. */
1781 EXT char * regtill; /* How far we are required to go. */
1782 EXT U16 regflags; /* are we folding, multilining? */
1783 EXT char regprev; /* char before regbol, \n if none */
1785 EXT bool do_undump; /* -u or dump seen? */
1788 /***********************************************/
1789 /* Global only to current interpreter instance */
1790 /***********************************************/
1795 struct interpreter {
1798 #define IINIT(x) INIT(x)
1801 /* pseudo environmental stuff */
1803 IEXT char ** Iorigargv;
1807 IEXT char * Iorigfilename;
1809 IEXT SV * Iwarnhook;
1810 IEXT SV * Iparsehook;
1812 /* Various states of an input record separator SV (rs, nrs) */
1813 #define RsSNARF(sv) (! SvOK(sv))
1814 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1815 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1820 IEXT char Ipatchlevel[10];
1821 IEXT char ** Ilocalpatches;
1823 IEXT char * Isplitstr IINIT(" ");
1824 IEXT bool Ipreprocess;
1830 IEXT bool Idoswitches;
1832 IEXT bool Idoextract;
1833 IEXT bool Isawampersand; /* must save all match strings */
1834 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1837 IEXT char * Iinplace;
1838 IEXT char * Ie_tmpname;
1839 IEXT PerlIO * Ie_fp;
1841 /* This value may be raised by extensions for testing purposes */
1842 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1844 /* magical thingies */
1845 IEXT Time_t Ibasetime; /* $^T */
1846 IEXT SV * Iformfeed; /* $^L */
1847 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1848 IEXT SV * Irs; /* $/ */
1849 IEXT char * Iofs; /* $, */
1850 IEXT STRLEN Iofslen;
1851 IEXT char * Iors; /* $\ */
1852 IEXT STRLEN Iorslen;
1853 IEXT char * Iofmt; /* $# */
1854 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1855 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1856 IEXT I32 Istatusvalue; /* $? */
1858 IEXT U32 Istatusvalue_vms;
1861 IEXT struct stat Istatcache; /* _ */
1863 IEXT SV * Istatname IINIT(Nullsv);
1865 /* shortcuts to various I/O objects */
1867 IEXT GV * Ilast_in_gv;
1870 IEXT GV * Idefoutgv;
1871 IEXT GV * Iargvoutgv;
1873 /* shortcuts to regexp stuff */
1877 IEXT PMOP * Icurpm; /* what to do \ interps from */
1878 IEXT I32 * Iscreamfirst;
1879 IEXT I32 * Iscreamnext;
1880 IEXT I32 Imaxscream IINIT(-1);
1881 IEXT SV * Ilastscream;
1883 /* shortcuts to misc objects */
1886 /* shortcuts to debugging objects */
1890 IEXT SV * IDBsingle;
1892 IEXT SV * IDBsignal;
1893 IEXT AV * Ilineary; /* lines of script for debugger */
1894 IEXT AV * Idbargs; /* args to call listed by caller function */
1897 IEXT HV * Idefstash; /* main symbol table */
1898 IEXT HV * Icurstash; /* symbol table for current package */
1899 IEXT HV * Idebstash; /* symbol table for perldb package */
1900 IEXT HV * Iglobalstash; /* global keyword overrides imported here */
1901 IEXT SV * Icurstname; /* name of current package */
1902 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1903 IEXT AV * Iendav; /* names of END subroutines */
1904 IEXT AV * Iinitav; /* names of INIT subroutines */
1905 IEXT HV * Istrtab; /* shared string table */
1907 /* memory management */
1908 IEXT SV ** Itmps_stack;
1909 IEXT I32 Itmps_ix IINIT(-1);
1910 IEXT I32 Itmps_floor IINIT(-1);
1912 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1913 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1914 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1915 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1917 /* funky return mechanisms */
1918 IEXT I32 Ilastspbase;
1920 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1922 /* subprocess state */
1923 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1925 /* internal state */
1926 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1927 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1928 IEXT int Idelaymagic; /* ($<,$>) = ... */
1929 IEXT bool Idirty; /* In the middle of tearing things down? */
1930 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1931 IEXT bool Itainted; /* using variables controlled by $< */
1932 IEXT bool Itainting; /* doing taint checks */
1933 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1937 IEXT I32 Idlmax IINIT(128);
1938 IEXT char * Idebname;
1939 IEXT char * Idebdelim;
1941 /* current interpreter roots */
1943 IEXT OP * Imain_root;
1944 IEXT OP * Imain_start;
1945 IEXT OP * Ieval_root;
1946 IEXT OP * Ieval_start;
1948 /* runtime control stuff */
1949 IEXT COP * VOL Icurcop IINIT(&compiling);
1950 IEXT COP * Icurcopdb IINIT(NULL);
1951 IEXT line_t Icopline IINIT(NOLINE);
1952 IEXT CONTEXT * Icxstack;
1953 IEXT I32 Icxstack_ix IINIT(-1);
1954 IEXT I32 Icxstack_max IINIT(128);
1955 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1956 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1959 IEXT AV * Icurstack; /* THE STACK */
1960 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1962 /* format accumulators */
1963 IEXT SV * Iformtarget;
1964 IEXT SV * Ibodytarget;
1965 IEXT SV * Itoptarget;
1967 /* statics moved here for shared library purposes */
1968 IEXT SV Istrchop; /* return value from chop */
1969 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1970 IEXT int Ilastfd; /* what to preserve mode on */
1971 IEXT char * Ioldname; /* what to preserve mode on */
1972 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1973 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1974 IEXT OP * Isortcop; /* user defined sort routine */
1975 IEXT HV * Isortstash; /* which is in some package or other */
1976 IEXT GV * Ifirstgv; /* $a */
1977 IEXT GV * Isecondgv; /* $b */
1978 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1979 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1980 IEXT SV * Imystrk; /* temp key string for do_each() */
1981 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1982 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1983 IEXT I32 Igensym; /* next symbol for getsym() to define */
1984 IEXT bool Ipreambled;
1985 IEXT AV * Ipreambleav;
1986 IEXT int Ilaststatval IINIT(-1);
1987 IEXT I32 Ilaststype IINIT(OP_STAT);
1992 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1993 #endif /* USE_THREADS */
2001 struct interpreter {
2013 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
2014 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
2016 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
2017 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2022 /* The following must follow proto.h */
2026 EXT MGVTBL vtbl_sv = {magic_get,
2030 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2031 0, magic_clear_all_env,
2033 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2036 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2037 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2041 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2043 EXT MGVTBL vtbl_packelem = {magic_getpack,
2047 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2049 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2052 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2054 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2057 EXT MGVTBL vtbl_glob = {magic_getglob,
2060 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2062 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2064 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2066 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2068 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2070 EXT MGVTBL vtbl_pos = {magic_getpos,
2073 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2075 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2077 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2081 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2082 #endif /* USE_THREADS */
2083 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2084 0, 0, magic_freedefelem};
2086 #ifdef USE_LOCALE_COLLATE
2087 EXT MGVTBL vtbl_collxfrm = {0,
2093 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2094 0, 0, magic_setamagic};
2095 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2096 0, 0, magic_setamagic};
2097 #endif /* OVERLOAD */
2102 EXT MGVTBL vtbl_env;
2103 EXT MGVTBL vtbl_envelem;
2104 EXT MGVTBL vtbl_sig;
2105 EXT MGVTBL vtbl_sigelem;
2106 EXT MGVTBL vtbl_pack;
2107 EXT MGVTBL vtbl_packelem;
2108 EXT MGVTBL vtbl_dbline;
2109 EXT MGVTBL vtbl_isa;
2110 EXT MGVTBL vtbl_isaelem;
2111 EXT MGVTBL vtbl_arylen;
2112 EXT MGVTBL vtbl_glob;
2113 EXT MGVTBL vtbl_mglob;
2114 EXT MGVTBL vtbl_nkeys;
2115 EXT MGVTBL vtbl_taint;
2116 EXT MGVTBL vtbl_substr;
2117 EXT MGVTBL vtbl_vec;
2118 EXT MGVTBL vtbl_pos;
2121 EXT MGVTBL vtbl_uvar;
2124 EXT MGVTBL vtbl_mutex;
2125 #endif /* USE_THREADS */
2127 EXT MGVTBL vtbl_defelem;
2129 #ifdef USE_LOCALE_COLLATE
2130 EXT MGVTBL vtbl_collxfrm;
2134 EXT MGVTBL vtbl_amagic;
2135 EXT MGVTBL vtbl_amagicelem;
2136 #endif /* OVERLOAD */
2138 #endif /* !DOINIT */
2142 EXT long amagic_generation;
2144 #define NofAMmeth 58
2146 EXTCONST char * AMG_names[NofAMmeth] = {
2147 "fallback", "abs", /* "fallback" should be the first. */
2178 EXTCONST char * AMG_names[NofAMmeth];
2179 #endif /* def INITAMAGIC */
2185 CV* table[NofAMmeth];
2188 struct am_table_short {
2193 typedef struct am_table AMT;
2194 typedef struct am_table_short AMTS;
2196 #define AMGfallNEVER 1
2198 #define AMGfallYES 3
2200 #define AMTf_AMAGIC 1
2201 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2202 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2203 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2206 fallback_amg, abs_amg,
2207 bool__amg, nomethod_amg,
2208 string_amg, numer_amg,
2209 add_amg, add_ass_amg,
2210 subtr_amg, subtr_ass_amg,
2211 mult_amg, mult_ass_amg,
2212 div_amg, div_ass_amg,
2213 mod_amg, mod_ass_amg,
2214 pow_amg, pow_ass_amg,
2215 lshift_amg, lshift_ass_amg,
2216 rshift_amg, rshift_ass_amg,
2217 band_amg, band_ass_amg,
2218 bor_amg, bor_ass_amg,
2219 bxor_amg, bxor_ass_amg,
2232 repeat_amg, repeat_ass_amg,
2233 concat_amg, concat_ass_amg,
2238 * some compilers like to redefine cos et alia as faster
2239 * (and less accurate?) versions called F_cos et cetera (Quidquid
2240 * latine dictum sit, altum viditur.) This trick collides with
2241 * the Perl overloading (amg). The following #defines fool both.
2246 # define F_atan2_amg atan2_amg
2249 # define F_cos_amg cos_amg
2252 # define F_exp_amg exp_amg
2255 # define F_log_amg log_amg
2258 # define F_pow_amg pow_amg
2261 # define F_sin_amg sin_amg
2264 # define F_sqrt_amg sqrt_amg
2266 #endif /* _FASTMATH */
2268 #endif /* OVERLOAD */
2270 #define PERLDB_ALL 0xff
2271 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2272 #define PERLDBf_LINE 0x02 /* Keep line #. */
2273 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2274 #define PERLDBf_INTER 0x08 /* Preserve more data for
2275 later inspections. */
2276 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2277 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2279 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2280 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2281 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2282 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2283 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2284 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2286 #ifdef USE_LOCALE_COLLATE
2287 EXT U32 collation_ix; /* Collation generation index */
2288 EXT char * collation_name; /* Name of current collation */
2289 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2290 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2291 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2292 #endif /* USE_LOCALE_COLLATE */
2294 #ifdef USE_LOCALE_NUMERIC
2296 EXT char * numeric_name; /* Name of current numeric locale */
2297 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2298 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2300 #define SET_NUMERIC_STANDARD() \
2302 if (! numeric_standard) \
2303 perl_set_numeric_standard(); \
2306 #define SET_NUMERIC_LOCAL() \
2308 if (! numeric_local) \
2309 perl_set_numeric_local(); \
2312 #else /* !USE_LOCALE_NUMERIC */
2314 #define SET_NUMERIC_STANDARD() /**/
2315 #define SET_NUMERIC_LOCAL() /**/
2317 #endif /* !USE_LOCALE_NUMERIC */
2319 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2321 * Now we have __attribute__ out of the way
2324 #define printf PerlIO_stdoutf
2328 * nice_chunk and nice_chunk size need to be set
2329 * and queried under the protection of sv_mutex
2331 #define offer_nice_chunk(chunk, chunk_size) do { \
2332 MUTEX_LOCK(&sv_mutex); \
2333 if (!nice_chunk) { \
2334 nice_chunk = (char*)(chunk); \
2335 nice_chunk_size = (chunk_size); \
2337 MUTEX_UNLOCK(&sv_mutex); \
2340 #endif /* Include guard */