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 */
33 * STMT_START { statements; } STMT_END;
34 * can be used as a single statement, as in
35 * if (x) STMT_START { ... } STMT_END; else ...
37 * Trying to select a version that gives no warnings...
39 #if !(defined(STMT_START) && defined(STMT_END))
40 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
41 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
44 /* Now which other defined()s do we need here ??? */
45 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
46 # define STMT_START if (1)
47 # define STMT_END else (void)0
49 # define STMT_START do
50 # define STMT_END while (0)
60 * SOFT_CAST can be used for args to prototyped functions to retain some
61 * type checking; it only casts if the compiler does not know prototypes.
63 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
64 #define SOFT_CAST(type)
66 #define SOFT_CAST(type) (type)
70 # define BYTEORDER 0x1234
73 /* Overall memory policy? */
79 * The following contortions are brought to you on behalf of all the
80 * standards, semi-standards, de facto standards, not-so-de-facto standards
81 * of the world, as well as all the other botches anyone ever thought of.
82 * The basic theory is that if we work hard enough here, the rest of the
83 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
86 /* define this once if either system, instead of cluttering up the src */
87 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
91 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
95 #if defined(__cplusplus) || defined(WIN32)
96 # define DONT_DECLARE_STD 1
99 #if defined(HASVOLATILE) || defined(STANDARD_C)
101 # define VOL // to temporarily suppress warnings
103 # define VOL volatile
109 #define TAINT (tainted = TRUE)
110 #define TAINT_NOT (tainted = FALSE)
111 #define TAINT_IF(c) if (c) { tainted = TRUE; }
112 #define TAINT_ENV() if (tainting) { taint_env(); }
113 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
115 /* XXX All process group stuff is handled in pp_sys.c. Should these
116 defines move there? If so, I could simplify this a lot. --AD 9/96.
118 /* Process group stuff changed from traditional BSD to POSIX.
119 perlfunc.pod documents the traditional BSD-style syntax, so we'll
120 try to preserve that, if possible.
123 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
125 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
126 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
128 # ifdef HAS_SETPGRP2 /* DG/UX */
129 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
133 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
134 # define HAS_SETPGRP /* Well, effectively it does . . . */
137 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
138 our life easier :-) so we'll try it.
141 # define BSD_GETPGRP(pid) getpgid((pid))
143 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
144 # define BSD_GETPGRP(pid) getpgrp((pid))
146 # ifdef HAS_GETPGRP2 /* DG/UX */
147 # define BSD_GETPGRP(pid) getpgrp2((pid))
151 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
152 # define HAS_GETPGRP /* Well, effectively it does . . . */
155 /* These are not exact synonyms, since setpgrp() and getpgrp() may
156 have different behaviors, but perl.h used to define USE_BSDPGRP
157 (prior to 5.003_05) so some extension might depend on it.
159 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
165 #ifndef _TYPES_ /* If types.h defines this it's easy. */
166 # ifndef major /* Does everyone's types.h define this? */
167 # include <sys/types.h>
181 # include <varargs.h>
187 #ifdef USE_NEXT_CTYPE
189 #if NX_CURRENT_COMPILER_RELEASE >= 400
190 #include <objc/NXCType.h>
191 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
192 #include <appkit/NXCType.h>
193 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
195 #else /* !USE_NEXT_CTYPE */
197 #endif /* USE_NEXT_CTYPE */
199 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
207 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
209 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
210 && defined(HAS_STRXFRM)
211 # define USE_LOCALE_COLLATE
213 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
214 # define USE_LOCALE_CTYPE
216 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
217 # define USE_LOCALE_NUMERIC
219 #endif /* !NO_LOCALE && HAS_SETLOCALE */
224 # ifdef PARAM_NEEDS_TYPES
225 # include <sys/types.h>
227 # include <sys/param.h>
231 /* Use all the "standard" definitions? */
232 #if defined(STANDARD_C) && defined(I_STDLIB)
236 /* This comes after <stdlib.h> so we don't try to change the standard
237 * library prototypes; we'll use our own in proto.h instead. */
242 # define malloc Mymalloc
243 # define calloc Mycalloc
244 # define realloc Myremalloc
247 # ifdef EMBEDMYMALLOC
248 # define malloc Perl_malloc
249 # define calloc Perl_calloc
250 # define realloc Perl_realloc
251 # define free Perl_free
258 # define safemalloc malloc
259 # define safecalloc calloc
260 # define saferealloc realloc
261 # define safefree free
263 #endif /* MYMALLOC */
265 #define MEM_SIZE Size_t
267 #if defined(STANDARD_C) && defined(I_STDDEF)
269 # define STRUCT_OFFSET(s,m) offsetof(s,m)
271 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
274 #if defined(I_STRING) || defined(__cplusplus)
277 # include <strings.h>
280 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
282 #define strrchr rindex
290 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
292 extern char * memcpy _((char*, char*, int));
298 # define memcpy(d,s,l) bcopy(s,d,l)
300 # define memcpy(d,s,l) my_bcopy(s,d,l)
303 #endif /* HAS_MEMCPY */
306 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
308 extern char *memset _((char*, int, int));
312 # define memset(d,c,l) my_memset(d,c,l)
313 #endif /* HAS_MEMSET */
315 #if !defined(HAS_MEMMOVE) && !defined(memmove)
316 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
317 # define memmove(d,s,l) bcopy(s,d,l)
319 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
320 # define memmove(d,s,l) memcpy(d,s,l)
322 # define memmove(d,s,l) my_bcopy(s,d,l)
327 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
331 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
332 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
334 extern int memcmp _((char*, char*, int));
338 # pragma function(memcmp)
342 # define memcmp my_memcmp
344 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
348 # define memzero(d,l) memset(d,0,l)
351 # define memzero(d,l) bzero(d,l)
353 # define memzero(d,l) my_bzero(d,l)
360 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
362 #endif /* !HAS_BCMP */
365 # include <netinet/in.h>
369 #include <sys/stat.h>
372 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
373 like UTekV) are broken, sometimes giving false positives. Undefine
374 them here and let the code below set them to proper values.
376 The ghs macro stands for GreenHills Software C-1.8.5 which
377 is the C compiler for sysV88 and the various derivatives.
378 This header file bug is corrected in gcc-2.5.8 and later versions.
379 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
381 #if defined(uts) || (defined(m88k) && defined(ghs))
395 # ifdef I_SYS_TIME_KERNEL
398 # include <sys/time.h>
399 # ifdef I_SYS_TIME_KERNEL
404 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
405 # include <sys/times.h>
408 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
414 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
416 #endif /* !HAS_MKFIFO */
421 # include <net/errno.h>
426 # define SETERRNO(errcode,vmserrcode) \
428 set_errno(errcode); \
429 set_vaxc_errno(vmserrcode); \
432 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
436 extern int errno; /* ANSI allows errno to be an lvalue expr */
441 char *strerror _((int,...));
443 #ifndef DONT_DECLARE_STD
444 char *strerror _((int));
448 # define Strerror strerror
451 # ifdef HAS_SYS_ERRLIST
453 extern char *sys_errlist[];
455 # define Strerror(e) \
456 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
463 # include <sys/ioctl.h>
467 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
468 # ifdef HAS_SOCKETPAIR
469 # undef HAS_SOCKETPAIR
484 /* Configure already sets Direntry_t */
485 #if defined(I_DIRENT)
487 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
488 # include <sys/dir.h>
492 # include <sys/ndir.h>
496 # include <ndir.h> /* may be wrong in the future */
498 # include <sys/dir.h>
505 /* work around botch in SunOS 4.0.1 and 4.0.2 */
507 # define fputs(sv,fp) fprintf(fp,"%s",sv)
512 * The following gobbledygook brought to you on behalf of __STDC__.
513 * (I could just use #ifndef __STDC__, but this is more bulletproof
514 * in the face of half-implementations.)
519 # define S_IFMT _S_IFMT
521 # define S_IFMT 0170000
526 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
530 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
535 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
537 # define S_ISBLK(m) (0)
542 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
547 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
549 # define S_ISFIFO(m) (0)
555 # define S_ISLNK(m) _S_ISLNK(m)
558 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
561 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
563 # define S_ISLNK(m) (0)
571 # define S_ISSOCK(m) _S_ISSOCK(m)
574 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
577 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
579 # define S_ISSOCK(m) (0)
587 # define S_IRUSR S_IREAD
588 # define S_IWUSR S_IWRITE
589 # define S_IXUSR S_IEXEC
591 # define S_IRUSR 0400
592 # define S_IWUSR 0200
593 # define S_IXUSR 0100
595 # define S_IRGRP (S_IRUSR>>3)
596 # define S_IWGRP (S_IWUSR>>3)
597 # define S_IXGRP (S_IXUSR>>3)
598 # define S_IROTH (S_IRUSR>>6)
599 # define S_IWOTH (S_IWUSR>>6)
600 # define S_IXOTH (S_IXUSR>>6)
604 # define S_ISUID 04000
608 # define S_ISGID 02000
615 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
616 # define SLOPPYDIVIDE
623 /* XXX QUAD stuff is not currently supported on most systems.
624 Specifically, perl internals don't support long long. Among
625 the many problems is that some compilers support long long,
626 but the underlying library functions (such as sprintf) don't.
627 Some things do work (such as quad pack/unpack on convex);
628 also some systems use long long for the fpos_t typedef. That
631 The IV type is supposed to be long enough to hold any integral
633 --Andy Dougherty August 1996
640 # define Quad_t long long
642 # if BYTEORDER > 0xFFFF
651 typedef unsigned Quad_t UV;
652 # define IV_MAX PERL_QUAD_MAX
653 # define IV_MIN PERL_QUAD_MIN
654 # define UV_MAX PERL_UQUAD_MAX
655 # define UV_MIN PERL_UQUAD_MIN
658 typedef unsigned long UV;
659 # define IV_MAX PERL_LONG_MAX
660 # define IV_MIN PERL_LONG_MIN
661 # define UV_MAX PERL_ULONG_MAX
662 # define UV_MIN PERL_ULONG_MIN
665 /* Previously these definitions used hardcoded figures.
666 * It is hoped these formula are more portable, although
667 * no data one way or another is presently known to me.
668 * The "PERL_" names are used because these calculated constants
669 * do not meet the ANSI requirements for LONG_MAX, etc., which
670 * need to be constants acceptable to #if - kja
671 * define PERL_LONG_MAX 2147483647L
672 * define PERL_LONG_MIN (-LONG_MAX - 1)
673 * define PERL ULONG_MAX 4294967295L
676 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
685 * Try to figure out max and min values for the integral types. THE CORRECT
686 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
687 * following hacks are used if neither limits.h or values.h provide them:
688 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
689 * for types < int: (unsigned TYPE)~(unsigned)0
690 * The argument to ~ must be unsigned so that later signed->unsigned
691 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
692 * and it must not be smaller than int because ~ does integral promotion.
693 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
694 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
695 * The latter is a hack which happens to work on some machines but
696 * does *not* catch any random system, or things like integer types
697 * with NaN if that is possible.
699 * All of the types are explicitly cast to prevent accidental loss of
700 * numeric range, and in the hope that they will be less likely to confuse
701 * over-eager optimizers.
705 #define PERL_UCHAR_MIN ((unsigned char)0)
708 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
711 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
713 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
718 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
719 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
720 * depending on local options. Until Configure detects this (or at least
721 * detects whether the "signed" keyword is available) the CHAR ranges
722 * will not be included. UCHAR functions normally.
726 #define PERL_USHORT_MIN ((unsigned short)0)
729 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
732 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
734 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
739 # define PERL_SHORT_MAX ((short)SHORT_MAX)
741 # ifdef MAXSHORT /* Often used in <values.h> */
742 # define PERL_SHORT_MAX ((short)MAXSHORT)
744 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
749 # define PERL_SHORT_MIN ((short)SHORT_MIN)
752 # define PERL_SHORT_MIN ((short)MINSHORT)
754 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
759 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
762 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
764 # define PERL_UINT_MAX (~(unsigned int)0)
768 #define PERL_UINT_MIN ((unsigned int)0)
771 # define PERL_INT_MAX ((int)INT_MAX)
773 # ifdef MAXINT /* Often used in <values.h> */
774 # define PERL_INT_MAX ((int)MAXINT)
776 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
781 # define PERL_INT_MIN ((int)INT_MIN)
784 # define PERL_INT_MIN ((int)MININT)
786 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
791 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
794 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
796 # define PERL_ULONG_MAX (~(unsigned long)0)
800 #define PERL_ULONG_MIN ((unsigned long)0L)
803 # define PERL_LONG_MAX ((long)LONG_MAX)
805 # ifdef MAXLONG /* Often used in <values.h> */
806 # define PERL_LONG_MAX ((long)MAXLONG)
808 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
813 # define PERL_LONG_MIN ((long)LONG_MIN)
816 # define PERL_LONG_MIN ((long)MINLONG)
818 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
825 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
827 # define PERL_UQUAD_MAX (~(UV)0)
830 # define PERL_UQUAD_MIN ((UV)0)
833 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
835 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
839 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
841 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
846 typedef MEM_SIZE STRLEN;
848 typedef struct op OP;
849 typedef struct cop COP;
850 typedef struct unop UNOP;
851 typedef struct binop BINOP;
852 typedef struct listop LISTOP;
853 typedef struct logop LOGOP;
854 typedef struct condop CONDOP;
855 typedef struct pmop PMOP;
856 typedef struct svop SVOP;
857 typedef struct gvop GVOP;
858 typedef struct pvop PVOP;
859 typedef struct loop LOOP;
861 typedef struct Outrec Outrec;
862 typedef struct interpreter PerlInterpreter;
863 typedef struct ff FF;
864 typedef struct sv SV;
865 typedef struct av AV;
866 typedef struct hv HV;
867 typedef struct cv CV;
868 typedef struct regexp REGEXP;
869 typedef struct gp GP;
870 typedef struct gv GV;
871 typedef struct io IO;
872 typedef struct context CONTEXT;
873 typedef struct block BLOCK;
875 typedef struct magic MAGIC;
876 typedef struct xrv XRV;
877 typedef struct xpv XPV;
878 typedef struct xpviv XPVIV;
879 typedef struct xpvuv XPVUV;
880 typedef struct xpvnv XPVNV;
881 typedef struct xpvmg XPVMG;
882 typedef struct xpvlv XPVLV;
883 typedef struct xpvav XPVAV;
884 typedef struct xpvhv XPVHV;
885 typedef struct xpvgv XPVGV;
886 typedef struct xpvcv XPVCV;
887 typedef struct xpvbm XPVBM;
888 typedef struct xpvfm XPVFM;
889 typedef struct xpvio XPVIO;
890 typedef struct mgvtbl MGVTBL;
891 typedef union any ANY;
895 typedef I32 (*filter_t) _((int, SV *, int));
896 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
897 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
898 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
911 # include "./plan9/plan9ish.h"
913 # include "unixish.h"
919 # define STATUS_NATIVE statusvalue_vms
920 # define STATUS_NATIVE_EXPORT \
921 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
922 # define STATUS_NATIVE_SET(n) \
924 statusvalue_vms = (n); \
925 if ((I32)statusvalue_vms == -1) \
927 else if (statusvalue_vms & STS$M_SUCCESS) \
929 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
930 statusvalue = 1 << 8; \
932 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
934 # define STATUS_POSIX statusvalue
935 # ifdef VMSISH_STATUS
936 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
938 # define STATUS_CURRENT STATUS_POSIX
940 # define STATUS_POSIX_SET(n) \
943 if (statusvalue != -1) { \
944 statusvalue &= 0xFFFF; \
945 statusvalue_vms = statusvalue ? 44 : 1; \
947 else statusvalue_vms = -1; \
949 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
950 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
952 # define STATUS_NATIVE STATUS_POSIX
953 # define STATUS_NATIVE_EXPORT STATUS_POSIX
954 # define STATUS_NATIVE_SET STATUS_POSIX_SET
955 # define STATUS_POSIX statusvalue
956 # define STATUS_POSIX_SET(n) \
959 if (statusvalue != -1) \
960 statusvalue &= 0xFFFF; \
962 # define STATUS_CURRENT STATUS_POSIX
963 # define STATUS_ALL_SUCCESS (statusvalue = 0)
964 # define STATUS_ALL_FAILURE (statusvalue = 1)
967 /* Some unistd.h's give a prototype for pause() even though
968 HAS_PAUSE ends up undefined. This causes the #define
969 below to be rejected by the compmiler. Sigh.
974 #define Pause() sleep((32767<<16)+32767)
979 /* on BSDish systes we're safe */
980 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
982 /* otherwise guess at what's safe */
983 # define IOCPARM_LEN(x) 256
992 void (*any_dptr) _((void*));
996 #define ARGSproto struct thread *
998 #define ARGSproto void
999 #endif /* USE_THREADS */
1001 /* Work around some cygwin32 problems with importing global symbols */
1002 #if defined(CYGWIN32) && defined(DLLIMPORT)
1003 # include "cw32imp.h"
1020 /* work around some libPW problems */
1025 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1029 #if defined(htonl) && !defined(HAS_HTONL)
1032 #if defined(htons) && !defined(HAS_HTONS)
1035 #if defined(ntohl) && !defined(HAS_NTOHL)
1038 #if defined(ntohs) && !defined(HAS_NTOHS)
1042 #if (BYTEORDER & 0xffff) != 0x4321
1048 #define htons my_swap
1049 #define htonl my_htonl
1050 #define ntohs my_swap
1051 #define ntohl my_ntohl
1054 #if (BYTEORDER & 0xffff) == 0x4321
1063 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1066 #if BYTEORDER != 0x1234
1071 # if BYTEORDER == 0x4321
1072 # define vtohl(x) ((((x)&0xFF)<<24) \
1074 +(((x)&0x0000FF00)<<8) \
1075 +(((x)&0x00FF0000)>>8) )
1076 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1077 # define htovl(x) vtohl(x)
1078 # define htovs(x) vtohs(x)
1080 /* otherwise default to functions in util.c */
1084 #define U_S(what) ((U16)(what))
1085 #define U_I(what) ((unsigned int)(what))
1086 #define U_L(what) ((U32)(what))
1091 U32 cast_ulong _((double));
1095 #define U_S(what) ((U16)cast_ulong((double)(what)))
1096 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1097 #define U_L(what) (cast_ulong((double)(what)))
1101 #define I_32(what) ((I32)(what))
1102 #define I_V(what) ((IV)(what))
1103 #define U_V(what) ((UV)(what))
1108 I32 cast_i32 _((double));
1109 IV cast_iv _((double));
1110 UV cast_uv _((double));
1114 #define I_32(what) (cast_i32((double)(what)))
1115 #define I_V(what) (cast_iv((double)(what)))
1116 #define U_V(what) (cast_uv((double)(what)))
1130 # define TMPPATH "/tmp/perl-eXXXXXX"
1134 Uid_t getuid _((void));
1135 Uid_t geteuid _((void));
1136 Gid_t getgid _((void));
1137 Gid_t getegid _((void));
1141 #ifndef Perl_debug_log
1142 #define Perl_debug_log PerlIO_stderr()
1146 #define DEBUG(a) if (debug) a
1147 #define DEBUG_p(a) if (debug & 1) a
1148 #define DEBUG_s(a) if (debug & 2) a
1149 #define DEBUG_l(a) if (debug & 4) a
1150 #define DEBUG_t(a) if (debug & 8) a
1151 #define DEBUG_o(a) if (debug & 16) a
1152 #define DEBUG_c(a) if (debug & 32) a
1153 #define DEBUG_P(a) if (debug & 64) a
1154 #define DEBUG_m(a) if (curinterp && debug & 128) a
1155 #define DEBUG_f(a) if (debug & 256) a
1156 #define DEBUG_r(a) if (debug & 512) a
1157 #define DEBUG_x(a) if (debug & 1024) a
1158 #define DEBUG_u(a) if (debug & 2048) a
1159 #define DEBUG_L(a) if (debug & 4096) a
1160 #define DEBUG_H(a) if (debug & 8192) a
1161 #define DEBUG_X(a) if (debug & 16384) a
1162 #define DEBUG_D(a) if (debug & 32768) a
1183 #define YYMAXDEPTH 300
1185 #ifndef assert /* <assert.h> might have been included somehow */
1186 #define assert(what) DEB( { \
1188 croak("Assertion failed: file \"%s\", line %d", \
1189 __FILE__, __LINE__); \
1195 I32 (*uf_val)_((IV, SV*));
1196 I32 (*uf_set)_((IV, SV*));
1200 /* Fix these up for __STDC__ */
1201 #ifndef DONT_DECLARE_STD
1202 char *mktemp _((char*));
1203 double atof _((const char*));
1207 /* All of these are in stdlib.h or time.h for ANSI C */
1209 struct tm *gmtime(), *localtime();
1210 char *strchr(), *strrchr();
1211 char *strcpy(), *strcat();
1212 #endif /* ! STANDARD_C */
1221 double exp _((double));
1222 double log _((double));
1223 double log10 _((double));
1224 double sqrt _((double));
1225 double frexp _((double,int*));
1226 double ldexp _((double,int));
1227 double modf _((double,double*));
1228 double sin _((double));
1229 double cos _((double));
1230 double atan2 _((double,double));
1231 double pow _((double,double));
1238 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1239 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1241 char *crypt _((const char*, const char*));
1243 #ifndef DONT_DECLARE_STD
1245 char *getenv _((const char*));
1247 Off_t lseek _((int,Off_t,int));
1249 char *getlogin _((void));
1252 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1253 #define UNLINK unlnk
1254 I32 unlnk _((char*));
1256 #define UNLINK unlink
1259 #ifndef HAS_SETREUID
1260 # ifdef HAS_SETRESUID
1261 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1262 # define HAS_SETREUID
1265 #ifndef HAS_SETREGID
1266 # ifdef HAS_SETRESGID
1267 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1268 # define HAS_SETREGID
1272 typedef Signal_t (*Sighandler_t) _((int));
1274 #ifdef HAS_SIGACTION
1275 typedef struct sigaction Sigsave_t;
1277 typedef Sighandler_t Sigsave_t;
1289 # ifndef DEBUGGING_MSTATS
1290 # define DEBUGGING_MSTATS
1293 # define PAD_SV(po) pad_sv(po)
1295 # define PAD_SV(po) curpad[po]
1303 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1305 EXT pthread_key_t thr_key; /* For per-thread struct thread ptr */
1306 EXT pthread_mutex_t sv_mutex; /* Mutex for allocating SVs in sv.c */
1307 EXT pthread_mutex_t malloc_mutex; /* Mutex for malloc */
1308 EXT pthread_mutex_t eval_mutex; /* Mutex for doeval */
1309 EXT pthread_cond_t eval_cond; /* Condition variable for doeval */
1310 EXT struct thread * eval_owner; /* Owner thread for doeval */
1311 EXT int nthreads; /* Number of threads currently */
1312 EXT pthread_mutex_t nthreads_mutex; /* Mutex for nthreads */
1313 EXT pthread_cond_t nthreads_cond; /* Condition variable for nthreads */
1314 #endif /* USE_THREADS */
1316 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1317 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1318 #ifndef DONT_DECLARE_STD
1319 extern char ** environ; /* environment variables supplied via exec */
1322 # if defined(NeXT) && defined(__DYNAMIC__)
1324 # include <mach-o/dyld.h>
1325 EXT char *** environ_pointer;
1326 # define environ (*environ_pointer)
1328 #endif /* environ processing */
1330 EXT int uid; /* current real user id */
1331 EXT int euid; /* current effective user id */
1332 EXT int gid; /* current real group id */
1333 EXT int egid; /* current effective group id */
1334 EXT bool nomemok; /* let malloc context handle nomem */
1335 EXT U32 an; /* malloc sequence number */
1336 EXT U32 cop_seqmax; /* statement sequence number */
1337 EXT U16 op_seqmax; /* op sequence number */
1338 EXT U32 evalseq; /* eval sequence number */
1339 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1340 EXT char ** origenviron;
1342 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1343 EXT U32 * profiledata;
1344 EXT int maxo INIT(MAXO);/* Number of ops */
1345 EXT char * osname; /* operating system */
1346 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1348 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1349 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1350 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1351 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1352 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1353 EXT HE * he_root; /* free he list--shared by interpreters */
1354 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1355 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1357 /* Stack for currently executing thread--context switch must handle this. */
1358 EXT SV ** stack_base; /* stack->array_ary */
1359 EXT SV ** stack_sp; /* stack pointer now */
1360 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1362 /* likewise for these */
1364 EXT OP * op; /* current op--oughta be in a global register */
1366 EXT I32 * scopestack; /* blocks we've entered */
1367 EXT I32 scopestack_ix;
1368 EXT I32 scopestack_max;
1370 EXT ANY* savestack; /* to save non-local values on */
1371 EXT I32 savestack_ix;
1372 EXT I32 savestack_max;
1374 EXT OP ** retstack; /* returns we've pushed */
1375 EXT I32 retstack_ix;
1376 EXT I32 retstack_max;
1378 EXT I32 * markstack; /* stackmarks we're remembering */
1379 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1380 EXT I32 * markstack_max; /* stackmarks we're remembering */
1387 EXT char tokenbuf[256];
1388 EXT struct stat statbuf;
1390 EXT struct tms timesbuf;
1392 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1394 /* for tmp use in stupid debuggers */
1399 /* handy constants */
1400 EXTCONST char * Yes INIT("1");
1401 EXTCONST char * No INIT("");
1402 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1403 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1404 EXTCONST char * vert INIT("|");
1406 EXTCONST char warn_uninit[]
1407 INIT("Use of uninitialized value");
1408 EXTCONST char warn_nosemi[]
1409 INIT("Semicolon seems to be missing");
1410 EXTCONST char warn_reserved[]
1411 INIT("Unquoted string \"%s\" may clash with future reserved word");
1412 EXTCONST char warn_nl[]
1413 INIT("Unsuccessful %s on filename containing newline");
1414 EXTCONST char no_wrongref[]
1415 INIT("Can't use %s ref as %s ref");
1416 EXTCONST char no_symref[]
1417 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1418 EXTCONST char no_usym[]
1419 INIT("Can't use an undefined value as %s reference");
1420 EXTCONST char no_aelem[]
1421 INIT("Modification of non-creatable array value attempted, subscript %d");
1422 EXTCONST char no_helem[]
1423 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1424 EXTCONST char no_modify[]
1425 INIT("Modification of a read-only value attempted");
1426 EXTCONST char no_mem[]
1427 INIT("Out of memory!\n");
1428 EXTCONST char no_security[]
1429 INIT("Insecure dependency in %s%s");
1430 EXTCONST char no_sock_func[]
1431 INIT("Unsupported socket function \"%s\" called");
1432 EXTCONST char no_dir_func[]
1433 INIT("Unsupported directory function \"%s\" called");
1434 EXTCONST char no_func[]
1435 INIT("The %s function is unimplemented");
1436 EXTCONST char no_myglob[]
1437 INIT("\"my\" variable %s can't be in a package");
1443 EXT char * cshname INIT(CSH);
1448 EXT char *sig_name[] = { SIG_NAME };
1449 EXT int sig_num[] = { SIG_NUM };
1450 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1451 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1453 EXT char *sig_name[];
1455 EXT SV * psig_ptr[];
1456 EXT SV * psig_name[];
1459 /* fast case folding tables */
1462 EXTCONST unsigned char fold[] = {
1463 0, 1, 2, 3, 4, 5, 6, 7,
1464 8, 9, 10, 11, 12, 13, 14, 15,
1465 16, 17, 18, 19, 20, 21, 22, 23,
1466 24, 25, 26, 27, 28, 29, 30, 31,
1467 32, 33, 34, 35, 36, 37, 38, 39,
1468 40, 41, 42, 43, 44, 45, 46, 47,
1469 48, 49, 50, 51, 52, 53, 54, 55,
1470 56, 57, 58, 59, 60, 61, 62, 63,
1471 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1472 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1473 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1474 'x', 'y', 'z', 91, 92, 93, 94, 95,
1475 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1476 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1477 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1478 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1479 128, 129, 130, 131, 132, 133, 134, 135,
1480 136, 137, 138, 139, 140, 141, 142, 143,
1481 144, 145, 146, 147, 148, 149, 150, 151,
1482 152, 153, 154, 155, 156, 157, 158, 159,
1483 160, 161, 162, 163, 164, 165, 166, 167,
1484 168, 169, 170, 171, 172, 173, 174, 175,
1485 176, 177, 178, 179, 180, 181, 182, 183,
1486 184, 185, 186, 187, 188, 189, 190, 191,
1487 192, 193, 194, 195, 196, 197, 198, 199,
1488 200, 201, 202, 203, 204, 205, 206, 207,
1489 208, 209, 210, 211, 212, 213, 214, 215,
1490 216, 217, 218, 219, 220, 221, 222, 223,
1491 224, 225, 226, 227, 228, 229, 230, 231,
1492 232, 233, 234, 235, 236, 237, 238, 239,
1493 240, 241, 242, 243, 244, 245, 246, 247,
1494 248, 249, 250, 251, 252, 253, 254, 255
1497 EXTCONST unsigned char fold[];
1501 EXT unsigned char fold_locale[] = {
1502 0, 1, 2, 3, 4, 5, 6, 7,
1503 8, 9, 10, 11, 12, 13, 14, 15,
1504 16, 17, 18, 19, 20, 21, 22, 23,
1505 24, 25, 26, 27, 28, 29, 30, 31,
1506 32, 33, 34, 35, 36, 37, 38, 39,
1507 40, 41, 42, 43, 44, 45, 46, 47,
1508 48, 49, 50, 51, 52, 53, 54, 55,
1509 56, 57, 58, 59, 60, 61, 62, 63,
1510 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1511 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1512 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1513 'x', 'y', 'z', 91, 92, 93, 94, 95,
1514 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1515 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1516 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1517 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1518 128, 129, 130, 131, 132, 133, 134, 135,
1519 136, 137, 138, 139, 140, 141, 142, 143,
1520 144, 145, 146, 147, 148, 149, 150, 151,
1521 152, 153, 154, 155, 156, 157, 158, 159,
1522 160, 161, 162, 163, 164, 165, 166, 167,
1523 168, 169, 170, 171, 172, 173, 174, 175,
1524 176, 177, 178, 179, 180, 181, 182, 183,
1525 184, 185, 186, 187, 188, 189, 190, 191,
1526 192, 193, 194, 195, 196, 197, 198, 199,
1527 200, 201, 202, 203, 204, 205, 206, 207,
1528 208, 209, 210, 211, 212, 213, 214, 215,
1529 216, 217, 218, 219, 220, 221, 222, 223,
1530 224, 225, 226, 227, 228, 229, 230, 231,
1531 232, 233, 234, 235, 236, 237, 238, 239,
1532 240, 241, 242, 243, 244, 245, 246, 247,
1533 248, 249, 250, 251, 252, 253, 254, 255
1536 EXT unsigned char fold_locale[];
1540 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1541 1, 2, 84, 151, 154, 155, 156, 157,
1542 165, 246, 250, 3, 158, 7, 18, 29,
1543 40, 51, 62, 73, 85, 96, 107, 118,
1544 129, 140, 147, 148, 149, 150, 152, 153,
1545 255, 182, 224, 205, 174, 176, 180, 217,
1546 233, 232, 236, 187, 235, 228, 234, 226,
1547 222, 219, 211, 195, 188, 193, 185, 184,
1548 191, 183, 201, 229, 181, 220, 194, 162,
1549 163, 208, 186, 202, 200, 218, 198, 179,
1550 178, 214, 166, 170, 207, 199, 209, 206,
1551 204, 160, 212, 216, 215, 192, 175, 173,
1552 243, 172, 161, 190, 203, 189, 164, 230,
1553 167, 248, 227, 244, 242, 255, 241, 231,
1554 240, 253, 169, 210, 245, 237, 249, 247,
1555 239, 168, 252, 251, 254, 238, 223, 221,
1556 213, 225, 177, 197, 171, 196, 159, 4,
1557 5, 6, 8, 9, 10, 11, 12, 13,
1558 14, 15, 16, 17, 19, 20, 21, 22,
1559 23, 24, 25, 26, 27, 28, 30, 31,
1560 32, 33, 34, 35, 36, 37, 38, 39,
1561 41, 42, 43, 44, 45, 46, 47, 48,
1562 49, 50, 52, 53, 54, 55, 56, 57,
1563 58, 59, 60, 61, 63, 64, 65, 66,
1564 67, 68, 69, 70, 71, 72, 74, 75,
1565 76, 77, 78, 79, 80, 81, 82, 83,
1566 86, 87, 88, 89, 90, 91, 92, 93,
1567 94, 95, 97, 98, 99, 100, 101, 102,
1568 103, 104, 105, 106, 108, 109, 110, 111,
1569 112, 113, 114, 115, 116, 117, 119, 120,
1570 121, 122, 123, 124, 125, 126, 127, 128,
1571 130, 131, 132, 133, 134, 135, 136, 137,
1572 138, 139, 141, 142, 143, 144, 145, 146
1575 EXTCONST unsigned char freq[];
1580 EXTCONST char* block_type[] = {
1589 EXTCONST char* block_type[];
1593 /*****************************************************************************/
1594 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1595 /*****************************************************************************/
1596 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1609 EXT U32 lex_state; /* next token is determined */
1610 EXT U32 lex_defer; /* state after determined token */
1611 EXT expectation lex_expect; /* expect after determined token */
1612 EXT I32 lex_brackets; /* bracket count */
1613 EXT I32 lex_formbrack; /* bracket count at outer format level */
1614 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1615 EXT I32 lex_casemods; /* casemod count */
1616 EXT I32 lex_dojoin; /* doing an array interpolation */
1617 EXT I32 lex_starts; /* how many interps done on level */
1618 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1619 EXT SV * lex_repl; /* runtime replacement from s/// */
1620 EXT OP * lex_op; /* extra info to pass back on op */
1621 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1622 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1623 EXT char * lex_brackstack; /* what kind of brackets to pop */
1624 EXT char * lex_casestack; /* what kind of case mods in effect */
1626 /* What we know when we're in LEX_KNOWNEXT state. */
1627 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1628 EXT I32 nexttype[5]; /* type of next token */
1631 EXT PerlIO * VOL rsfp INIT(Nullfp);
1634 EXT char * oldbufptr;
1635 EXT char * oldoldbufptr;
1637 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1638 EXT AV * rsfp_filters;
1640 EXT I32 multi_start; /* 1st line of multi-line string */
1641 EXT I32 multi_end; /* last line of multi-line string */
1642 EXT I32 multi_open; /* delimiter of said string */
1643 EXT I32 multi_close; /* delimiter of said string */
1646 EXT I32 error_count; /* how many errors so far, max 10 */
1647 EXT I32 subline; /* line this subroutine began on */
1648 EXT SV * subname; /* name of current subroutine */
1650 EXT CV * compcv; /* currently compiling subroutine */
1651 EXT AV * comppad; /* storage for lexically scoped temporaries */
1652 EXT AV * comppad_name; /* variable names for "my" variables */
1653 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1654 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1655 EXT I32 min_intro_pending;/* start of vars to introduce */
1656 EXT I32 max_intro_pending;/* end of vars to introduce */
1657 EXT I32 padix; /* max used index in current "register" pad */
1658 EXT I32 padix_floor; /* how low may inner block reset padix */
1659 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1662 EXT I32 thisexpr; /* name id for nothing_in_common() */
1663 EXT char * last_uni; /* position of last named-unary operator */
1664 EXT char * last_lop; /* position of last list operator */
1665 EXT OPCODE last_lop_op; /* last list operator */
1666 EXT bool in_my; /* we're compiling a "my" declaration */
1667 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1669 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1672 EXT U32 hints; /* various compilation flags */
1674 /* Note: the lowest 8 bits are reserved for
1675 stuffing into op->op_private */
1676 #define HINT_INTEGER 0x00000001
1677 #define HINT_STRICT_REFS 0x00000002
1679 #define HINT_BLOCK_SCOPE 0x00000100
1680 #define HINT_STRICT_SUBS 0x00000200
1681 #define HINT_STRICT_VARS 0x00000400
1682 #define HINT_LOCALE 0x00000800
1684 /**************************************************************************/
1685 /* This regexp stuff is global since it always happens within 1 expr eval */
1686 /**************************************************************************/
1688 EXT char * regprecomp; /* uncompiled string. */
1689 EXT char * regparse; /* Input-scan pointer. */
1690 EXT char * regxend; /* End of input for compile */
1691 EXT I32 regnpar; /* () count. */
1692 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1693 EXT I32 regsize; /* Code size. */
1694 EXT I32 regnaughty; /* How bad is this pattern? */
1695 EXT I32 regsawback; /* Did we see \1, ...? */
1697 EXT char * reginput; /* String-input pointer. */
1698 EXT char * regbol; /* Beginning of input, for ^ check. */
1699 EXT char * regeol; /* End of input, for $ check. */
1700 EXT char ** regstartp; /* Pointer to startp array. */
1701 EXT char ** regendp; /* Ditto for endp. */
1702 EXT U32 * reglastparen; /* Similarly for lastparen. */
1703 EXT char * regtill; /* How far we are required to go. */
1704 EXT U16 regflags; /* are we folding, multilining? */
1705 EXT char regprev; /* char before regbol, \n if none */
1707 EXT bool do_undump; /* -u or dump seen? */
1710 /***********************************************/
1711 /* Global only to current interpreter instance */
1712 /***********************************************/
1717 struct interpreter {
1720 #define IINIT(x) INIT(x)
1723 /* pseudo environmental stuff */
1725 IEXT char ** Iorigargv;
1729 IEXT char * Iorigfilename;
1731 IEXT SV * Iwarnhook;
1732 IEXT SV * Iparsehook;
1734 /* Various states of an input record separator SV (rs, nrs) */
1735 #define RsSNARF(sv) (! SvOK(sv))
1736 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1737 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1742 IEXT char Ipatchlevel[10];
1743 IEXT char ** Ilocalpatches;
1745 IEXT char * Isplitstr IINIT(" ");
1746 IEXT bool Ipreprocess;
1752 IEXT bool Idoswitches;
1754 IEXT bool Idoextract;
1755 IEXT bool Isawampersand; /* must save all match strings */
1756 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1759 IEXT char * Iinplace;
1760 IEXT char * Ie_tmpname;
1761 IEXT PerlIO * Ie_fp;
1763 /* This value may be raised by extensions for testing purposes */
1764 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1766 /* magical thingies */
1767 IEXT Time_t Ibasetime; /* $^T */
1768 IEXT SV * Iformfeed; /* $^L */
1769 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1770 IEXT SV * Irs; /* $/ */
1771 IEXT char * Iofs; /* $, */
1772 IEXT STRLEN Iofslen;
1773 IEXT char * Iors; /* $\ */
1774 IEXT STRLEN Iorslen;
1775 IEXT char * Iofmt; /* $# */
1776 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1777 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1778 IEXT I32 Istatusvalue; /* $? */
1780 IEXT U32 Istatusvalue_vms;
1783 IEXT struct stat Istatcache; /* _ */
1785 IEXT SV * Istatname IINIT(Nullsv);
1787 /* shortcuts to various I/O objects */
1789 IEXT GV * Ilast_in_gv;
1792 IEXT GV * Idefoutgv;
1793 IEXT GV * Iargvoutgv;
1795 /* shortcuts to regexp stuff */
1799 IEXT PMOP * Icurpm; /* what to do \ interps from */
1800 IEXT I32 * Iscreamfirst;
1801 IEXT I32 * Iscreamnext;
1802 IEXT I32 Imaxscream IINIT(-1);
1803 IEXT SV * Ilastscream;
1805 /* shortcuts to misc objects */
1808 /* shortcuts to debugging objects */
1812 IEXT SV * IDBsingle;
1814 IEXT SV * IDBsignal;
1815 IEXT AV * Ilineary; /* lines of script for debugger */
1816 IEXT AV * Idbargs; /* args to call listed by caller function */
1819 IEXT HV * Idefstash; /* main symbol table */
1820 IEXT HV * Icurstash; /* symbol table for current package */
1821 IEXT HV * Idebstash; /* symbol table for perldb package */
1822 IEXT SV * Icurstname; /* name of current package */
1823 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1824 IEXT AV * Iendav; /* names of END subroutines */
1825 IEXT AV * Irestartav; /* names of RESTART subroutines */
1826 IEXT HV * Istrtab; /* shared string table */
1828 /* memory management */
1829 IEXT SV ** Itmps_stack;
1830 IEXT I32 Itmps_ix IINIT(-1);
1831 IEXT I32 Itmps_floor IINIT(-1);
1833 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1834 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1835 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1836 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1838 /* funky return mechanisms */
1839 IEXT I32 Ilastspbase;
1841 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1843 /* subprocess state */
1844 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1846 /* internal state */
1847 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1848 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1849 IEXT int Idelaymagic; /* ($<,$>) = ... */
1850 IEXT bool Idirty; /* In the middle of tearing things down? */
1851 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1852 IEXT bool Itainted; /* using variables controlled by $< */
1853 IEXT bool Itainting; /* doing taint checks */
1854 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1858 IEXT I32 Idlmax IINIT(128);
1859 IEXT char * Idebname;
1860 IEXT char * Idebdelim;
1862 /* current interpreter roots */
1864 IEXT OP * Imain_root;
1865 IEXT OP * Imain_start;
1866 IEXT OP * Ieval_root;
1867 IEXT OP * Ieval_start;
1869 /* runtime control stuff */
1870 IEXT COP * VOL Icurcop IINIT(&compiling);
1871 IEXT COP * Icurcopdb IINIT(NULL);
1872 IEXT line_t Icopline IINIT(NOLINE);
1873 IEXT CONTEXT * Icxstack;
1874 IEXT I32 Icxstack_ix IINIT(-1);
1875 IEXT I32 Icxstack_max IINIT(128);
1876 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1877 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1881 IEXT AV * Icurstack; /* THE STACK */
1882 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1883 IEXT SV ** Imystack_base; /* stack->array_ary */
1884 IEXT SV ** Imystack_sp; /* stack pointer now */
1885 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1887 /* format accumulators */
1888 IEXT SV * Iformtarget;
1889 IEXT SV * Ibodytarget;
1890 IEXT SV * Itoptarget;
1892 /* statics moved here for shared library purposes */
1893 IEXT SV Istrchop; /* return value from chop */
1894 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1895 IEXT int Ilastfd; /* what to preserve mode on */
1896 IEXT char * Ioldname; /* what to preserve mode on */
1897 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1898 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1899 IEXT OP * Isortcop; /* user defined sort routine */
1900 IEXT HV * Isortstash; /* which is in some package or other */
1901 IEXT GV * Ifirstgv; /* $a */
1902 IEXT GV * Isecondgv; /* $b */
1903 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1904 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1905 IEXT SV * Imystrk; /* temp key string for do_each() */
1906 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1907 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1908 IEXT I32 Igensym; /* next symbol for getsym() to define */
1909 IEXT bool Ipreambled;
1910 IEXT AV * Ipreambleav;
1911 IEXT int Ilaststatval IINIT(-1);
1912 IEXT I32 Ilaststype IINIT(OP_STAT);
1921 struct interpreter {
1936 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1937 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1939 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1940 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1947 /* The following must follow proto.h */
1951 EXT MGVTBL vtbl_sv = {magic_get,
1955 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1956 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1959 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1960 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1964 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1966 EXT MGVTBL vtbl_packelem = {magic_getpack,
1970 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1972 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1974 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1976 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1979 EXT MGVTBL vtbl_glob = {magic_getglob,
1982 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1984 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1986 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1988 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1990 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1992 EXT MGVTBL vtbl_pos = {magic_getpos,
1995 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1997 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1999 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2003 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2004 #endif /* USE_THREADS */
2005 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2006 0, 0, magic_freedefelem};
2008 #ifdef USE_LOCALE_COLLATE
2009 EXT MGVTBL vtbl_collxfrm = {0,
2015 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2016 0, 0, magic_setamagic};
2017 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2018 0, 0, magic_setamagic};
2019 #endif /* OVERLOAD */
2024 EXT MGVTBL vtbl_env;
2025 EXT MGVTBL vtbl_envelem;
2026 EXT MGVTBL vtbl_sig;
2027 EXT MGVTBL vtbl_sigelem;
2028 EXT MGVTBL vtbl_pack;
2029 EXT MGVTBL vtbl_packelem;
2030 EXT MGVTBL vtbl_dbline;
2031 EXT MGVTBL vtbl_isa;
2032 EXT MGVTBL vtbl_isaelem;
2033 EXT MGVTBL vtbl_arylen;
2034 EXT MGVTBL vtbl_glob;
2035 EXT MGVTBL vtbl_mglob;
2036 EXT MGVTBL vtbl_nkeys;
2037 EXT MGVTBL vtbl_taint;
2038 EXT MGVTBL vtbl_substr;
2039 EXT MGVTBL vtbl_vec;
2040 EXT MGVTBL vtbl_pos;
2043 EXT MGVTBL vtbl_uvar;
2046 EXT MGVTBL vtbl_mutex;
2047 #endif /* USE_THREADS */
2049 EXT MGVTBL vtbl_defelem;
2051 #ifdef USE_LOCALE_COLLATE
2052 EXT MGVTBL vtbl_collxfrm;
2056 EXT MGVTBL vtbl_amagic;
2057 EXT MGVTBL vtbl_amagicelem;
2058 #endif /* OVERLOAD */
2060 #endif /* !DOINIT */
2064 EXT long amagic_generation;
2066 #define NofAMmeth 58
2068 EXTCONST char * AMG_names[NofAMmeth] = {
2069 "fallback", "abs", /* "fallback" should be the first. */
2100 EXTCONST char * AMG_names[NofAMmeth];
2101 #endif /* def INITAMAGIC */
2107 CV* table[NofAMmeth];
2110 struct am_table_short {
2115 typedef struct am_table AMT;
2116 typedef struct am_table_short AMTS;
2118 #define AMGfallNEVER 1
2120 #define AMGfallYES 3
2122 #define AMTf_AMAGIC 1
2123 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2124 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2125 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2128 fallback_amg, abs_amg,
2129 bool__amg, nomethod_amg,
2130 string_amg, numer_amg,
2131 add_amg, add_ass_amg,
2132 subtr_amg, subtr_ass_amg,
2133 mult_amg, mult_ass_amg,
2134 div_amg, div_ass_amg,
2135 mod_amg, mod_ass_amg,
2136 pow_amg, pow_ass_amg,
2137 lshift_amg, lshift_ass_amg,
2138 rshift_amg, rshift_ass_amg,
2139 band_amg, band_ass_amg,
2140 bor_amg, bor_ass_amg,
2141 bxor_amg, bxor_ass_amg,
2154 repeat_amg, repeat_ass_amg,
2155 concat_amg, concat_ass_amg,
2160 * some compilers like to redefine cos et alia as faster
2161 * (and less accurate?) versions called F_cos et cetera (Quidquid
2162 * latine dictum sit, altum viditur.) This trick collides with
2163 * the Perl overloading (amg). The following #defines fool both.
2168 # define F_atan2_amg atan2_amg
2171 # define F_cos_amg cos_amg
2174 # define F_exp_amg exp_amg
2177 # define F_log_amg log_amg
2180 # define F_pow_amg pow_amg
2183 # define F_sin_amg sin_amg
2186 # define F_sqrt_amg sqrt_amg
2188 #endif /* _FASTMATH */
2190 #endif /* OVERLOAD */
2192 #ifdef USE_LOCALE_COLLATE
2193 EXT U32 collation_ix; /* Collation generation index */
2194 EXT char * collation_name; /* Name of current collation */
2195 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2196 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2197 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2198 #endif /* USE_LOCALE_COLLATE */
2200 #ifdef USE_LOCALE_NUMERIC
2202 EXT char * numeric_name; /* Name of current numeric locale */
2203 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2204 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2206 #define SET_NUMERIC_STANDARD() \
2208 if (! numeric_standard) \
2209 perl_set_numeric_standard(); \
2212 #define SET_NUMERIC_LOCAL() \
2214 if (! numeric_local) \
2215 perl_set_numeric_local(); \
2218 #else /* !USE_LOCALE_NUMERIC */
2220 #define SET_NUMERIC_STANDARD() /**/
2221 #define SET_NUMERIC_LOCAL() /**/
2223 #endif /* !USE_LOCALE_NUMERIC */
2225 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2227 * Now we have __attribute__ out of the way
2230 #define printf PerlIO_stdoutf
2233 #endif /* Include guard */