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 typedef MEM_SIZE STRLEN;
889 typedef struct op OP;
890 typedef struct cop COP;
891 typedef struct unop UNOP;
892 typedef struct binop BINOP;
893 typedef struct listop LISTOP;
894 typedef struct logop LOGOP;
895 typedef struct condop CONDOP;
896 typedef struct pmop PMOP;
897 typedef struct svop SVOP;
898 typedef struct gvop GVOP;
899 typedef struct pvop PVOP;
900 typedef struct loop LOOP;
902 typedef struct Outrec Outrec;
903 typedef struct interpreter PerlInterpreter;
905 typedef struct ff FF; /* XXX not defined anywhere, should go? */
907 typedef struct sv SV;
908 typedef struct av AV;
909 typedef struct hv HV;
910 typedef struct cv CV;
911 typedef struct regexp REGEXP;
912 typedef struct gp GP;
913 typedef struct gv GV;
914 typedef struct io IO;
915 typedef struct context PERL_CONTEXT;
916 typedef struct block BLOCK;
918 typedef struct magic MAGIC;
919 typedef struct xrv XRV;
920 typedef struct xpv XPV;
921 typedef struct xpviv XPVIV;
922 typedef struct xpvuv XPVUV;
923 typedef struct xpvnv XPVNV;
924 typedef struct xpvmg XPVMG;
925 typedef struct xpvlv XPVLV;
926 typedef struct xpvav XPVAV;
927 typedef struct xpvhv XPVHV;
928 typedef struct xpvgv XPVGV;
929 typedef struct xpvcv XPVCV;
930 typedef struct xpvbm XPVBM;
931 typedef struct xpvfm XPVFM;
932 typedef struct xpvio XPVIO;
933 typedef struct mgvtbl MGVTBL;
934 typedef union any ANY;
938 typedef I32 (*filter_t) _((int, SV *, int));
939 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
940 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
941 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
954 # include "./plan9/plan9ish.h"
956 # include "unixish.h"
962 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
963 * which defines NSIG - which will stop inclusion of <signal.h>
964 * this results in many functions being undeclared which bothers C++
965 * May make sense to have threads after "*ish.h" anyway
970 # include "fakethr.h"
973 # include <win32thread.h>
975 # include <pthread.h>
976 typedef pthread_mutex_t perl_mutex;
977 typedef pthread_cond_t perl_cond;
978 typedef pthread_key_t perl_key;
980 # endif /* FAKE_THREADS */
981 #endif /* USE_THREADS */
986 # define STATUS_NATIVE statusvalue_vms
987 # define STATUS_NATIVE_EXPORT \
988 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
989 # define STATUS_NATIVE_SET(n) \
991 statusvalue_vms = (n); \
992 if ((I32)statusvalue_vms == -1) \
994 else if (statusvalue_vms & STS$M_SUCCESS) \
996 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
997 statusvalue = 1 << 8; \
999 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
1001 # define STATUS_POSIX statusvalue
1002 # ifdef VMSISH_STATUS
1003 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1005 # define STATUS_CURRENT STATUS_POSIX
1007 # define STATUS_POSIX_SET(n) \
1009 statusvalue = (n); \
1010 if (statusvalue != -1) { \
1011 statusvalue &= 0xFFFF; \
1012 statusvalue_vms = statusvalue ? 44 : 1; \
1014 else statusvalue_vms = -1; \
1016 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1017 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1019 # define STATUS_NATIVE STATUS_POSIX
1020 # define STATUS_NATIVE_EXPORT STATUS_POSIX
1021 # define STATUS_NATIVE_SET STATUS_POSIX_SET
1022 # define STATUS_POSIX statusvalue
1023 # define STATUS_POSIX_SET(n) \
1025 statusvalue = (n); \
1026 if (statusvalue != -1) \
1027 statusvalue &= 0xFFFF; \
1029 # define STATUS_CURRENT STATUS_POSIX
1030 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1031 # define STATUS_ALL_FAILURE (statusvalue = 1)
1034 /* Some unistd.h's give a prototype for pause() even though
1035 HAS_PAUSE ends up undefined. This causes the #define
1036 below to be rejected by the compmiler. Sigh.
1041 #define Pause() sleep((32767<<16)+32767)
1045 # ifdef IOCPARM_MASK
1046 /* on BSDish systes we're safe */
1047 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1049 /* otherwise guess at what's safe */
1050 # define IOCPARM_LEN(x) 256
1059 void (*any_dptr) _((void*));
1063 #define ARGSproto struct thread *thr
1065 #define ARGSproto void
1066 #endif /* USE_THREADS */
1068 /* Work around some cygwin32 problems with importing global symbols */
1069 #if defined(CYGWIN32) && defined(DLLIMPORT)
1070 # include "cw32imp.h"
1087 /* work around some libPW problems */
1092 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1096 #if defined(htonl) && !defined(HAS_HTONL)
1099 #if defined(htons) && !defined(HAS_HTONS)
1102 #if defined(ntohl) && !defined(HAS_NTOHL)
1105 #if defined(ntohs) && !defined(HAS_NTOHS)
1109 #if (BYTEORDER & 0xffff) != 0x4321
1115 #define htons my_swap
1116 #define htonl my_htonl
1117 #define ntohs my_swap
1118 #define ntohl my_ntohl
1121 #if (BYTEORDER & 0xffff) == 0x4321
1130 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1133 #if BYTEORDER != 0x1234
1138 # if BYTEORDER == 0x4321
1139 # define vtohl(x) ((((x)&0xFF)<<24) \
1141 +(((x)&0x0000FF00)<<8) \
1142 +(((x)&0x00FF0000)>>8) )
1143 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1144 # define htovl(x) vtohl(x)
1145 # define htovs(x) vtohs(x)
1147 /* otherwise default to functions in util.c */
1151 #define U_S(what) ((U16)(what))
1152 #define U_I(what) ((unsigned int)(what))
1153 #define U_L(what) ((U32)(what))
1155 EXTERN_C U32 cast_ulong _((double));
1156 #define U_S(what) ((U16)cast_ulong((double)(what)))
1157 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1158 #define U_L(what) (cast_ulong((double)(what)))
1162 #define I_32(what) ((I32)(what))
1163 #define I_V(what) ((IV)(what))
1164 #define U_V(what) ((UV)(what))
1167 I32 cast_i32 _((double));
1168 IV cast_iv _((double));
1169 UV cast_uv _((double));
1171 #define I_32(what) (cast_i32((double)(what)))
1172 #define I_V(what) (cast_iv((double)(what)))
1173 #define U_V(what) (cast_uv((double)(what)))
1187 # define TMPPATH "/tmp/perl-eXXXXXX"
1191 Uid_t getuid _((void));
1192 Uid_t geteuid _((void));
1193 Gid_t getgid _((void));
1194 Gid_t getegid _((void));
1198 #ifndef Perl_debug_log
1199 #define Perl_debug_log PerlIO_stderr()
1203 #define DEBUG(a) if (debug) a
1204 #define DEBUG_p(a) if (debug & 1) a
1205 #define DEBUG_s(a) if (debug & 2) a
1206 #define DEBUG_l(a) if (debug & 4) a
1207 #define DEBUG_t(a) if (debug & 8) a
1208 #define DEBUG_o(a) if (debug & 16) a
1209 #define DEBUG_c(a) if (debug & 32) a
1210 #define DEBUG_P(a) if (debug & 64) a
1211 #define DEBUG_m(a) if (curinterp && debug & 128) a
1212 #define DEBUG_f(a) if (debug & 256) a
1213 #define DEBUG_r(a) if (debug & 512) a
1214 #define DEBUG_x(a) if (debug & 1024) a
1215 #define DEBUG_u(a) if (debug & 2048) a
1216 #define DEBUG_L(a) if (debug & 4096) a
1217 #define DEBUG_H(a) if (debug & 8192) a
1218 #define DEBUG_X(a) if (debug & 16384) a
1219 #define DEBUG_D(a) if (debug & 32768) a
1240 #define YYMAXDEPTH 300
1242 #ifndef assert /* <assert.h> might have been included somehow */
1243 #define assert(what) DEB( { \
1245 croak("Assertion failed: file \"%s\", line %d", \
1246 __FILE__, __LINE__); \
1252 I32 (*uf_val)_((IV, SV*));
1253 I32 (*uf_set)_((IV, SV*));
1257 /* Fix these up for __STDC__ */
1258 #ifndef DONT_DECLARE_STD
1259 char *mktemp _((char*));
1260 double atof _((const char*));
1264 /* All of these are in stdlib.h or time.h for ANSI C */
1266 struct tm *gmtime(), *localtime();
1267 char *strchr(), *strrchr();
1268 char *strcpy(), *strcat();
1269 #endif /* ! STANDARD_C */
1276 double exp _((double));
1277 double log _((double));
1278 double log10 _((double));
1279 double sqrt _((double));
1280 double frexp _((double,int*));
1281 double ldexp _((double,int));
1282 double modf _((double,double*));
1283 double sin _((double));
1284 double cos _((double));
1285 double atan2 _((double,double));
1286 double pow _((double,double));
1291 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1292 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1294 char *crypt _((const char*, const char*));
1296 #ifndef DONT_DECLARE_STD
1298 char *getenv _((const char*));
1300 Off_t lseek _((int,Off_t,int));
1302 char *getlogin _((void));
1305 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1306 #define UNLINK unlnk
1307 I32 unlnk _((char*));
1309 #define UNLINK unlink
1312 #ifndef HAS_SETREUID
1313 # ifdef HAS_SETRESUID
1314 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1315 # define HAS_SETREUID
1318 #ifndef HAS_SETREGID
1319 # ifdef HAS_SETRESGID
1320 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1321 # define HAS_SETREGID
1325 typedef Signal_t (*Sighandler_t) _((int));
1327 #ifdef HAS_SIGACTION
1328 typedef struct sigaction Sigsave_t;
1330 typedef Sighandler_t Sigsave_t;
1341 # define PAD_SV(po) pad_sv(po)
1342 # define RUNOPS_DEFAULT runops_debug
1344 # define PAD_SV(po) curpad[po]
1345 # define RUNOPS_DEFAULT runops_standard
1349 * These need prototyping here because <proto.h> isn't
1350 * included until after runops is initialised.
1353 int runops_standard _((void));
1355 int runops_debug _((void));
1358 #define PER_THREAD_MAGICALS "123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1365 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1367 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1368 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1369 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1370 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1371 EXT perl_cond eval_cond; /* Condition variable for doeval */
1372 EXT struct thread * eval_owner; /* Owner thread for doeval */
1373 EXT int nthreads; /* Number of threads currently */
1374 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1375 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1376 EXT char * per_thread_magicals INIT(PER_THREAD_MAGICALS);
1378 EXT struct thread * thr; /* Currently executing (fake) thread */
1380 #endif /* USE_THREADS */
1382 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1383 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1384 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun))
1385 extern char ** environ; /* environment variables supplied via exec */
1388 # if defined(NeXT) && defined(__DYNAMIC__)
1390 # include <mach-o/dyld.h>
1391 EXT char *** environ_pointer;
1392 # define environ (*environ_pointer)
1394 #endif /* environ processing */
1396 EXT int uid; /* current real user id */
1397 EXT int euid; /* current effective user id */
1398 EXT int gid; /* current real group id */
1399 EXT int egid; /* current effective group id */
1400 EXT bool nomemok; /* let malloc context handle nomem */
1401 EXT U32 an; /* malloc sequence number */
1402 EXT U32 cop_seqmax; /* statement sequence number */
1403 EXT U16 op_seqmax; /* op sequence number */
1404 EXT U32 evalseq; /* eval sequence number */
1405 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1406 EXT char ** origenviron;
1408 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1409 EXT U32 * profiledata;
1410 EXT int maxo INIT(MAXO);/* Number of ops */
1411 EXT char * osname; /* operating system */
1412 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1413 EXT Sighandler_t sighandlerp;
1415 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1416 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1417 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1418 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1419 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1420 EXT HE * he_root; /* free he list--shared by interpreters */
1421 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1422 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1424 /* Stack for currently executing thread--context switch must handle this. */
1425 EXT SV ** stack_base; /* stack->array_ary */
1426 EXT SV ** stack_sp; /* stack pointer now */
1427 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1429 /* likewise for these */
1431 #ifdef OP_IN_REGISTER
1432 EXT OP * opsave; /* save current op register across longjmps */
1434 EXT OP * op; /* current op--when not in a global register */
1436 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1437 EXT I32 * scopestack; /* blocks we've entered */
1438 EXT I32 scopestack_ix;
1439 EXT I32 scopestack_max;
1441 EXT ANY* savestack; /* to save non-local values on */
1442 EXT I32 savestack_ix;
1443 EXT I32 savestack_max;
1445 EXT OP ** retstack; /* returns we've pushed */
1446 EXT I32 retstack_ix;
1447 EXT I32 retstack_max;
1449 EXT I32 * markstack; /* stackmarks we're remembering */
1450 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1451 EXT I32 * markstack_max; /* stackmarks we're remembering */
1458 EXT char tokenbuf[256];
1459 EXT struct stat statbuf;
1461 EXT struct tms timesbuf;
1463 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1465 /* for tmp use in stupid debuggers */
1470 /* handy constants */
1471 EXTCONST char * Yes INIT("1");
1472 EXTCONST char * No INIT("");
1473 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1474 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1475 EXTCONST char * vert INIT("|");
1477 EXTCONST char warn_uninit[]
1478 INIT("Use of uninitialized value");
1479 EXTCONST char warn_nosemi[]
1480 INIT("Semicolon seems to be missing");
1481 EXTCONST char warn_reserved[]
1482 INIT("Unquoted string \"%s\" may clash with future reserved word");
1483 EXTCONST char warn_nl[]
1484 INIT("Unsuccessful %s on filename containing newline");
1485 EXTCONST char no_wrongref[]
1486 INIT("Can't use %s ref as %s ref");
1487 EXTCONST char no_symref[]
1488 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1489 EXTCONST char no_usym[]
1490 INIT("Can't use an undefined value as %s reference");
1491 EXTCONST char no_aelem[]
1492 INIT("Modification of non-creatable array value attempted, subscript %d");
1493 EXTCONST char no_helem[]
1494 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1495 EXTCONST char no_modify[]
1496 INIT("Modification of a read-only value attempted");
1497 EXTCONST char no_mem[]
1498 INIT("Out of memory!\n");
1499 EXTCONST char no_security[]
1500 INIT("Insecure dependency in %s%s");
1501 EXTCONST char no_sock_func[]
1502 INIT("Unsupported socket function \"%s\" called");
1503 EXTCONST char no_dir_func[]
1504 INIT("Unsupported directory function \"%s\" called");
1505 EXTCONST char no_func[]
1506 INIT("The %s function is unimplemented");
1507 EXTCONST char no_myglob[]
1508 INIT("\"my\" variable %s can't be in a package");
1514 EXT char * cshname INIT(CSH);
1519 EXT char *sig_name[] = { SIG_NAME };
1520 EXT int sig_num[] = { SIG_NUM };
1521 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1522 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1524 EXT char *sig_name[];
1526 EXT SV * psig_ptr[];
1527 EXT SV * psig_name[];
1530 /* fast case folding tables */
1533 EXTCONST unsigned char fold[] = {
1534 0, 1, 2, 3, 4, 5, 6, 7,
1535 8, 9, 10, 11, 12, 13, 14, 15,
1536 16, 17, 18, 19, 20, 21, 22, 23,
1537 24, 25, 26, 27, 28, 29, 30, 31,
1538 32, 33, 34, 35, 36, 37, 38, 39,
1539 40, 41, 42, 43, 44, 45, 46, 47,
1540 48, 49, 50, 51, 52, 53, 54, 55,
1541 56, 57, 58, 59, 60, 61, 62, 63,
1542 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1543 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1544 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1545 'x', 'y', 'z', 91, 92, 93, 94, 95,
1546 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1547 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1548 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1549 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1550 128, 129, 130, 131, 132, 133, 134, 135,
1551 136, 137, 138, 139, 140, 141, 142, 143,
1552 144, 145, 146, 147, 148, 149, 150, 151,
1553 152, 153, 154, 155, 156, 157, 158, 159,
1554 160, 161, 162, 163, 164, 165, 166, 167,
1555 168, 169, 170, 171, 172, 173, 174, 175,
1556 176, 177, 178, 179, 180, 181, 182, 183,
1557 184, 185, 186, 187, 188, 189, 190, 191,
1558 192, 193, 194, 195, 196, 197, 198, 199,
1559 200, 201, 202, 203, 204, 205, 206, 207,
1560 208, 209, 210, 211, 212, 213, 214, 215,
1561 216, 217, 218, 219, 220, 221, 222, 223,
1562 224, 225, 226, 227, 228, 229, 230, 231,
1563 232, 233, 234, 235, 236, 237, 238, 239,
1564 240, 241, 242, 243, 244, 245, 246, 247,
1565 248, 249, 250, 251, 252, 253, 254, 255
1568 EXTCONST unsigned char fold[];
1572 EXT unsigned char fold_locale[] = {
1573 0, 1, 2, 3, 4, 5, 6, 7,
1574 8, 9, 10, 11, 12, 13, 14, 15,
1575 16, 17, 18, 19, 20, 21, 22, 23,
1576 24, 25, 26, 27, 28, 29, 30, 31,
1577 32, 33, 34, 35, 36, 37, 38, 39,
1578 40, 41, 42, 43, 44, 45, 46, 47,
1579 48, 49, 50, 51, 52, 53, 54, 55,
1580 56, 57, 58, 59, 60, 61, 62, 63,
1581 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1582 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1583 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1584 'x', 'y', 'z', 91, 92, 93, 94, 95,
1585 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1586 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1587 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1588 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1589 128, 129, 130, 131, 132, 133, 134, 135,
1590 136, 137, 138, 139, 140, 141, 142, 143,
1591 144, 145, 146, 147, 148, 149, 150, 151,
1592 152, 153, 154, 155, 156, 157, 158, 159,
1593 160, 161, 162, 163, 164, 165, 166, 167,
1594 168, 169, 170, 171, 172, 173, 174, 175,
1595 176, 177, 178, 179, 180, 181, 182, 183,
1596 184, 185, 186, 187, 188, 189, 190, 191,
1597 192, 193, 194, 195, 196, 197, 198, 199,
1598 200, 201, 202, 203, 204, 205, 206, 207,
1599 208, 209, 210, 211, 212, 213, 214, 215,
1600 216, 217, 218, 219, 220, 221, 222, 223,
1601 224, 225, 226, 227, 228, 229, 230, 231,
1602 232, 233, 234, 235, 236, 237, 238, 239,
1603 240, 241, 242, 243, 244, 245, 246, 247,
1604 248, 249, 250, 251, 252, 253, 254, 255
1607 EXT unsigned char fold_locale[];
1611 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1612 1, 2, 84, 151, 154, 155, 156, 157,
1613 165, 246, 250, 3, 158, 7, 18, 29,
1614 40, 51, 62, 73, 85, 96, 107, 118,
1615 129, 140, 147, 148, 149, 150, 152, 153,
1616 255, 182, 224, 205, 174, 176, 180, 217,
1617 233, 232, 236, 187, 235, 228, 234, 226,
1618 222, 219, 211, 195, 188, 193, 185, 184,
1619 191, 183, 201, 229, 181, 220, 194, 162,
1620 163, 208, 186, 202, 200, 218, 198, 179,
1621 178, 214, 166, 170, 207, 199, 209, 206,
1622 204, 160, 212, 216, 215, 192, 175, 173,
1623 243, 172, 161, 190, 203, 189, 164, 230,
1624 167, 248, 227, 244, 242, 255, 241, 231,
1625 240, 253, 169, 210, 245, 237, 249, 247,
1626 239, 168, 252, 251, 254, 238, 223, 221,
1627 213, 225, 177, 197, 171, 196, 159, 4,
1628 5, 6, 8, 9, 10, 11, 12, 13,
1629 14, 15, 16, 17, 19, 20, 21, 22,
1630 23, 24, 25, 26, 27, 28, 30, 31,
1631 32, 33, 34, 35, 36, 37, 38, 39,
1632 41, 42, 43, 44, 45, 46, 47, 48,
1633 49, 50, 52, 53, 54, 55, 56, 57,
1634 58, 59, 60, 61, 63, 64, 65, 66,
1635 67, 68, 69, 70, 71, 72, 74, 75,
1636 76, 77, 78, 79, 80, 81, 82, 83,
1637 86, 87, 88, 89, 90, 91, 92, 93,
1638 94, 95, 97, 98, 99, 100, 101, 102,
1639 103, 104, 105, 106, 108, 109, 110, 111,
1640 112, 113, 114, 115, 116, 117, 119, 120,
1641 121, 122, 123, 124, 125, 126, 127, 128,
1642 130, 131, 132, 133, 134, 135, 136, 137,
1643 138, 139, 141, 142, 143, 144, 145, 146
1646 EXTCONST unsigned char freq[];
1651 EXTCONST char* block_type[] = {
1660 EXTCONST char* block_type[];
1664 /*****************************************************************************/
1665 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1666 /*****************************************************************************/
1667 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1671 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1682 EXT U32 lex_state; /* next token is determined */
1683 EXT U32 lex_defer; /* state after determined token */
1684 EXT expectation lex_expect; /* expect after determined token */
1685 EXT I32 lex_brackets; /* bracket count */
1686 EXT I32 lex_formbrack; /* bracket count at outer format level */
1687 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1688 EXT I32 lex_casemods; /* casemod count */
1689 EXT I32 lex_dojoin; /* doing an array interpolation */
1690 EXT I32 lex_starts; /* how many interps done on level */
1691 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1692 EXT SV * lex_repl; /* runtime replacement from s/// */
1693 EXT OP * lex_op; /* extra info to pass back on op */
1694 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1695 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1696 EXT char * lex_brackstack; /* what kind of brackets to pop */
1697 EXT char * lex_casestack; /* what kind of case mods in effect */
1699 /* What we know when we're in LEX_KNOWNEXT state. */
1700 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1701 EXT I32 nexttype[5]; /* type of next token */
1704 EXT PerlIO * VOL rsfp INIT(Nullfp);
1707 EXT char * oldbufptr;
1708 EXT char * oldoldbufptr;
1710 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1711 EXT AV * rsfp_filters;
1713 EXT I32 multi_start; /* 1st line of multi-line string */
1714 EXT I32 multi_end; /* last line of multi-line string */
1715 EXT I32 multi_open; /* delimiter of said string */
1716 EXT I32 multi_close; /* delimiter of said string */
1719 EXT I32 error_count; /* how many errors so far, max 10 */
1720 EXT I32 subline; /* line this subroutine began on */
1721 EXT SV * subname; /* name of current subroutine */
1723 EXT CV * compcv; /* currently compiling subroutine */
1724 EXT AV * comppad; /* storage for lexically scoped temporaries */
1725 EXT AV * comppad_name; /* variable names for "my" variables */
1726 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1727 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1728 EXT I32 min_intro_pending;/* start of vars to introduce */
1729 EXT I32 max_intro_pending;/* end of vars to introduce */
1730 EXT I32 padix; /* max used index in current "register" pad */
1731 EXT I32 padix_floor; /* how low may inner block reset padix */
1732 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1735 EXT I32 thisexpr; /* name id for nothing_in_common() */
1736 EXT char * last_uni; /* position of last named-unary operator */
1737 EXT char * last_lop; /* position of last list operator */
1738 EXT OPCODE last_lop_op; /* last list operator */
1739 EXT bool in_my; /* we're compiling a "my" declaration */
1740 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1742 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1745 EXT U32 hints; /* various compilation flags */
1747 /* Note: the lowest 8 bits are reserved for
1748 stuffing into op->op_private */
1749 #define HINT_INTEGER 0x00000001
1750 #define HINT_STRICT_REFS 0x00000002
1752 #define HINT_BLOCK_SCOPE 0x00000100
1753 #define HINT_STRICT_SUBS 0x00000200
1754 #define HINT_STRICT_VARS 0x00000400
1755 #define HINT_LOCALE 0x00000800
1757 /**************************************************************************/
1758 /* This regexp stuff is global since it always happens within 1 expr eval */
1759 /**************************************************************************/
1761 EXT char * regprecomp; /* uncompiled string. */
1762 EXT char * regparse; /* Input-scan pointer. */
1763 EXT char * regxend; /* End of input for compile */
1764 EXT I32 regnpar; /* () count. */
1765 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1766 EXT I32 regsize; /* Code size. */
1767 EXT I32 regnaughty; /* How bad is this pattern? */
1768 EXT I32 regsawback; /* Did we see \1, ...? */
1770 EXT char * reginput; /* String-input pointer. */
1771 EXT char * regbol; /* Beginning of input, for ^ check. */
1772 EXT char * regeol; /* End of input, for $ check. */
1773 EXT char ** regstartp; /* Pointer to startp array. */
1774 EXT char ** regendp; /* Ditto for endp. */
1775 EXT U32 * reglastparen; /* Similarly for lastparen. */
1776 EXT char * regtill; /* How far we are required to go. */
1777 EXT U16 regflags; /* are we folding, multilining? */
1778 EXT char regprev; /* char before regbol, \n if none */
1780 EXT bool do_undump; /* -u or dump seen? */
1783 /***********************************************/
1784 /* Global only to current interpreter instance */
1785 /***********************************************/
1790 struct interpreter {
1793 #define IINIT(x) INIT(x)
1796 /* pseudo environmental stuff */
1798 IEXT char ** Iorigargv;
1802 IEXT char * Iorigfilename;
1804 IEXT SV * Iwarnhook;
1805 IEXT SV * Iparsehook;
1807 /* Various states of an input record separator SV (rs, nrs) */
1808 #define RsSNARF(sv) (! SvOK(sv))
1809 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1810 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1815 IEXT char Ipatchlevel[10];
1816 IEXT char ** Ilocalpatches;
1818 IEXT char * Isplitstr IINIT(" ");
1819 IEXT bool Ipreprocess;
1825 IEXT bool Idoswitches;
1827 IEXT bool Idoextract;
1828 IEXT bool Isawampersand; /* must save all match strings */
1829 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1832 IEXT char * Iinplace;
1833 IEXT char * Ie_tmpname;
1834 IEXT PerlIO * Ie_fp;
1836 /* This value may be raised by extensions for testing purposes */
1837 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1839 /* magical thingies */
1840 IEXT Time_t Ibasetime; /* $^T */
1841 IEXT SV * Iformfeed; /* $^L */
1842 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1843 IEXT SV * Irs; /* $/ */
1844 IEXT char * Iofs; /* $, */
1845 IEXT STRLEN Iofslen;
1846 IEXT char * Iors; /* $\ */
1847 IEXT STRLEN Iorslen;
1848 IEXT char * Iofmt; /* $# */
1849 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1850 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1851 IEXT I32 Istatusvalue; /* $? */
1853 IEXT U32 Istatusvalue_vms;
1856 IEXT struct stat Istatcache; /* _ */
1858 IEXT SV * Istatname IINIT(Nullsv);
1860 /* shortcuts to various I/O objects */
1862 IEXT GV * Ilast_in_gv;
1865 IEXT GV * Idefoutgv;
1866 IEXT GV * Iargvoutgv;
1868 /* shortcuts to regexp stuff */
1872 IEXT PMOP * Icurpm; /* what to do \ interps from */
1873 IEXT I32 * Iscreamfirst;
1874 IEXT I32 * Iscreamnext;
1875 IEXT I32 Imaxscream IINIT(-1);
1876 IEXT SV * Ilastscream;
1878 /* shortcuts to misc objects */
1881 /* shortcuts to debugging objects */
1885 IEXT SV * IDBsingle;
1887 IEXT SV * IDBsignal;
1888 IEXT AV * Ilineary; /* lines of script for debugger */
1889 IEXT AV * Idbargs; /* args to call listed by caller function */
1892 IEXT HV * Idefstash; /* main symbol table */
1893 IEXT HV * Icurstash; /* symbol table for current package */
1894 IEXT HV * Idebstash; /* symbol table for perldb package */
1895 IEXT HV * Iglobalstash; /* global keyword overrides imported here */
1896 IEXT SV * Icurstname; /* name of current package */
1897 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1898 IEXT AV * Iendav; /* names of END subroutines */
1899 IEXT AV * Iinitav; /* names of INIT subroutines */
1900 IEXT HV * Istrtab; /* shared string table */
1902 /* memory management */
1903 IEXT SV ** Itmps_stack;
1904 IEXT I32 Itmps_ix IINIT(-1);
1905 IEXT I32 Itmps_floor IINIT(-1);
1907 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1908 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1909 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1910 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1912 /* funky return mechanisms */
1913 IEXT I32 Ilastspbase;
1915 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1917 /* subprocess state */
1918 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1920 /* internal state */
1921 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1922 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1923 IEXT int Idelaymagic; /* ($<,$>) = ... */
1924 IEXT bool Idirty; /* In the middle of tearing things down? */
1925 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1926 IEXT bool Itainted; /* using variables controlled by $< */
1927 IEXT bool Itainting; /* doing taint checks */
1928 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1932 IEXT I32 Idlmax IINIT(128);
1933 IEXT char * Idebname;
1934 IEXT char * Idebdelim;
1936 /* current interpreter roots */
1938 IEXT OP * Imain_root;
1939 IEXT OP * Imain_start;
1940 IEXT OP * Ieval_root;
1941 IEXT OP * Ieval_start;
1943 /* runtime control stuff */
1944 IEXT COP * VOL Icurcop IINIT(&compiling);
1945 IEXT COP * Icurcopdb IINIT(NULL);
1946 IEXT line_t Icopline IINIT(NOLINE);
1947 IEXT PERL_CONTEXT * Icxstack;
1948 IEXT I32 Icxstack_ix IINIT(-1);
1949 IEXT I32 Icxstack_max IINIT(128);
1950 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1951 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1954 IEXT AV * Icurstack; /* THE STACK */
1955 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1957 /* format accumulators */
1958 IEXT SV * Iformtarget;
1959 IEXT SV * Ibodytarget;
1960 IEXT SV * Itoptarget;
1962 /* statics moved here for shared library purposes */
1963 IEXT SV Istrchop; /* return value from chop */
1964 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1965 IEXT int Ilastfd; /* what to preserve mode on */
1966 IEXT char * Ioldname; /* what to preserve mode on */
1967 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1968 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1969 IEXT OP * Isortcop; /* user defined sort routine */
1970 IEXT HV * Isortstash; /* which is in some package or other */
1971 IEXT GV * Ifirstgv; /* $a */
1972 IEXT GV * Isecondgv; /* $b */
1973 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1974 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1975 IEXT SV * Imystrk; /* temp key string for do_each() */
1976 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1977 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1978 IEXT I32 Igensym; /* next symbol for getsym() to define */
1979 IEXT bool Ipreambled;
1980 IEXT AV * Ipreambleav;
1981 IEXT int Ilaststatval IINIT(-1);
1982 IEXT I32 Ilaststype IINIT(OP_STAT);
1987 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1988 #endif /* USE_THREADS */
1996 struct interpreter {
2008 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
2009 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
2011 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
2012 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2017 /* The following must follow proto.h */
2021 EXT MGVTBL vtbl_sv = {magic_get,
2025 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2026 0, magic_clear_all_env,
2028 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2031 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2032 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2036 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2038 EXT MGVTBL vtbl_packelem = {magic_getpack,
2042 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2044 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2047 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2049 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2052 EXT MGVTBL vtbl_glob = {magic_getglob,
2055 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2057 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2059 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2061 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2063 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2065 EXT MGVTBL vtbl_pos = {magic_getpos,
2068 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2070 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2072 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2076 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2077 #endif /* USE_THREADS */
2078 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2079 0, 0, magic_freedefelem};
2081 #ifdef USE_LOCALE_COLLATE
2082 EXT MGVTBL vtbl_collxfrm = {0,
2088 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2089 0, 0, magic_setamagic};
2090 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2091 0, 0, magic_setamagic};
2092 #endif /* OVERLOAD */
2097 EXT MGVTBL vtbl_env;
2098 EXT MGVTBL vtbl_envelem;
2099 EXT MGVTBL vtbl_sig;
2100 EXT MGVTBL vtbl_sigelem;
2101 EXT MGVTBL vtbl_pack;
2102 EXT MGVTBL vtbl_packelem;
2103 EXT MGVTBL vtbl_dbline;
2104 EXT MGVTBL vtbl_isa;
2105 EXT MGVTBL vtbl_isaelem;
2106 EXT MGVTBL vtbl_arylen;
2107 EXT MGVTBL vtbl_glob;
2108 EXT MGVTBL vtbl_mglob;
2109 EXT MGVTBL vtbl_nkeys;
2110 EXT MGVTBL vtbl_taint;
2111 EXT MGVTBL vtbl_substr;
2112 EXT MGVTBL vtbl_vec;
2113 EXT MGVTBL vtbl_pos;
2116 EXT MGVTBL vtbl_uvar;
2119 EXT MGVTBL vtbl_mutex;
2120 #endif /* USE_THREADS */
2122 EXT MGVTBL vtbl_defelem;
2124 #ifdef USE_LOCALE_COLLATE
2125 EXT MGVTBL vtbl_collxfrm;
2129 EXT MGVTBL vtbl_amagic;
2130 EXT MGVTBL vtbl_amagicelem;
2131 #endif /* OVERLOAD */
2133 #endif /* !DOINIT */
2137 EXT long amagic_generation;
2139 #define NofAMmeth 58
2141 EXTCONST char * AMG_names[NofAMmeth] = {
2142 "fallback", "abs", /* "fallback" should be the first. */
2173 EXTCONST char * AMG_names[NofAMmeth];
2174 #endif /* def INITAMAGIC */
2180 CV* table[NofAMmeth];
2183 struct am_table_short {
2188 typedef struct am_table AMT;
2189 typedef struct am_table_short AMTS;
2191 #define AMGfallNEVER 1
2193 #define AMGfallYES 3
2195 #define AMTf_AMAGIC 1
2196 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2197 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2198 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2201 fallback_amg, abs_amg,
2202 bool__amg, nomethod_amg,
2203 string_amg, numer_amg,
2204 add_amg, add_ass_amg,
2205 subtr_amg, subtr_ass_amg,
2206 mult_amg, mult_ass_amg,
2207 div_amg, div_ass_amg,
2208 mod_amg, mod_ass_amg,
2209 pow_amg, pow_ass_amg,
2210 lshift_amg, lshift_ass_amg,
2211 rshift_amg, rshift_ass_amg,
2212 band_amg, band_ass_amg,
2213 bor_amg, bor_ass_amg,
2214 bxor_amg, bxor_ass_amg,
2227 repeat_amg, repeat_ass_amg,
2228 concat_amg, concat_ass_amg,
2233 * some compilers like to redefine cos et alia as faster
2234 * (and less accurate?) versions called F_cos et cetera (Quidquid
2235 * latine dictum sit, altum viditur.) This trick collides with
2236 * the Perl overloading (amg). The following #defines fool both.
2241 # define F_atan2_amg atan2_amg
2244 # define F_cos_amg cos_amg
2247 # define F_exp_amg exp_amg
2250 # define F_log_amg log_amg
2253 # define F_pow_amg pow_amg
2256 # define F_sin_amg sin_amg
2259 # define F_sqrt_amg sqrt_amg
2261 #endif /* _FASTMATH */
2263 #endif /* OVERLOAD */
2265 #define PERLDB_ALL 0xff
2266 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2267 #define PERLDBf_LINE 0x02 /* Keep line #. */
2268 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2269 #define PERLDBf_INTER 0x08 /* Preserve more data for
2270 later inspections. */
2271 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2272 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2274 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2275 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2276 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2277 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2278 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2279 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2281 #ifdef USE_LOCALE_COLLATE
2282 EXT U32 collation_ix; /* Collation generation index */
2283 EXT char * collation_name; /* Name of current collation */
2284 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2285 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2286 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2287 #endif /* USE_LOCALE_COLLATE */
2289 #ifdef USE_LOCALE_NUMERIC
2291 EXT char * numeric_name; /* Name of current numeric locale */
2292 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2293 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2295 #define SET_NUMERIC_STANDARD() \
2297 if (! numeric_standard) \
2298 perl_set_numeric_standard(); \
2301 #define SET_NUMERIC_LOCAL() \
2303 if (! numeric_local) \
2304 perl_set_numeric_local(); \
2307 #else /* !USE_LOCALE_NUMERIC */
2309 #define SET_NUMERIC_STANDARD() /**/
2310 #define SET_NUMERIC_LOCAL() /**/
2312 #endif /* !USE_LOCALE_NUMERIC */
2314 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2316 * Now we have __attribute__ out of the way
2319 #define printf PerlIO_stdoutf
2323 * nice_chunk and nice_chunk size need to be set
2324 * and queried under the protection of sv_mutex
2326 #define offer_nice_chunk(chunk, chunk_size) do { \
2327 MUTEX_LOCK(&sv_mutex); \
2328 if (!nice_chunk) { \
2329 nice_chunk = (char*)(chunk); \
2330 nice_chunk_size = (chunk_size); \
2332 MUTEX_UNLOCK(&sv_mutex); \
2335 #endif /* Include guard */