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)
56 * SOFT_CAST can be used for args to prototyped functions to retain some
57 * type checking; it only casts if the compiler does not know prototypes.
59 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
60 #define SOFT_CAST(type)
62 #define SOFT_CAST(type) (type)
66 # define BYTEORDER 0x1234
69 /* Overall memory policy? */
75 * The following contortions are brought to you on behalf of all the
76 * standards, semi-standards, de facto standards, not-so-de-facto standards
77 * of the world, as well as all the other botches anyone ever thought of.
78 * The basic theory is that if we work hard enough here, the rest of the
79 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
82 /* define this once if either system, instead of cluttering up the src */
83 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
87 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
91 #if defined(__cplusplus) || defined(WIN32)
92 # define DONT_DECLARE_STD 1
95 #if defined(HASVOLATILE) || defined(STANDARD_C)
97 # define VOL // to temporarily suppress warnings
105 #define TAINT (tainted = TRUE)
106 #define TAINT_NOT (tainted = FALSE)
107 #define TAINT_IF(c) if (c) { tainted = TRUE; }
108 #define TAINT_ENV() if (tainting) { taint_env(); }
109 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
111 /* XXX All process group stuff is handled in pp_sys.c. Should these
112 defines move there? If so, I could simplify this a lot. --AD 9/96.
114 /* Process group stuff changed from traditional BSD to POSIX.
115 perlfunc.pod documents the traditional BSD-style syntax, so we'll
116 try to preserve that, if possible.
119 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
121 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
122 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
124 # ifdef HAS_SETPGRP2 /* DG/UX */
125 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
129 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
130 # define HAS_SETPGRP /* Well, effectively it does . . . */
133 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
134 our life easier :-) so we'll try it.
137 # define BSD_GETPGRP(pid) getpgid((pid))
139 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
140 # define BSD_GETPGRP(pid) getpgrp((pid))
142 # ifdef HAS_GETPGRP2 /* DG/UX */
143 # define BSD_GETPGRP(pid) getpgrp2((pid))
147 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
148 # define HAS_GETPGRP /* Well, effectively it does . . . */
151 /* These are not exact synonyms, since setpgrp() and getpgrp() may
152 have different behaviors, but perl.h used to define USE_BSDPGRP
153 (prior to 5.003_05) so some extension might depend on it.
155 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
161 #ifndef _TYPES_ /* If types.h defines this it's easy. */
162 # ifndef major /* Does everyone's types.h define this? */
163 # include <sys/types.h>
177 # include <varargs.h>
183 #ifdef USE_NEXT_CTYPE
185 #if NX_CURRENT_COMPILER_RELEASE >= 400
186 #include <objc/NXCType.h>
187 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
188 #include <appkit/NXCType.h>
189 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
191 #else /* !USE_NEXT_CTYPE */
193 #endif /* USE_NEXT_CTYPE */
195 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
203 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
205 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
206 && defined(HAS_STRXFRM)
207 # define USE_LOCALE_COLLATE
209 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
210 # define USE_LOCALE_CTYPE
212 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
213 # define USE_LOCALE_NUMERIC
215 #endif /* !NO_LOCALE && HAS_SETLOCALE */
220 # ifdef PARAM_NEEDS_TYPES
221 # include <sys/types.h>
223 # include <sys/param.h>
227 /* Use all the "standard" definitions? */
228 #if defined(STANDARD_C) && defined(I_STDLIB)
232 /* This comes after <stdlib.h> so we don't try to change the standard
233 * library prototypes; we'll use our own in proto.h instead. */
238 # define malloc Mymalloc
239 # define calloc Mycalloc
240 # define realloc Myremalloc
243 # ifdef EMBEDMYMALLOC
244 # define malloc Perl_malloc
245 # define calloc Perl_calloc
246 # define realloc Perl_realloc
247 # define free Perl_free
254 # define safemalloc malloc
255 # define safecalloc calloc
256 # define saferealloc realloc
257 # define safefree free
259 #endif /* MYMALLOC */
261 #define MEM_SIZE Size_t
263 #if defined(STANDARD_C) && defined(I_STDDEF)
265 # define STRUCT_OFFSET(s,m) offsetof(s,m)
267 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
270 #if defined(I_STRING) || defined(__cplusplus)
273 # include <strings.h>
276 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
278 #define strrchr rindex
286 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
288 extern char * memcpy _((char*, char*, int));
294 # define memcpy(d,s,l) bcopy(s,d,l)
296 # define memcpy(d,s,l) my_bcopy(s,d,l)
299 #endif /* HAS_MEMCPY */
302 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
304 extern char *memset _((char*, int, int));
308 # define memset(d,c,l) my_memset(d,c,l)
309 #endif /* HAS_MEMSET */
311 #if !defined(HAS_MEMMOVE) && !defined(memmove)
312 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
313 # define memmove(d,s,l) bcopy(s,d,l)
315 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
316 # define memmove(d,s,l) memcpy(d,s,l)
318 # define memmove(d,s,l) my_bcopy(s,d,l)
323 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
327 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
328 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
330 extern int memcmp _((char*, char*, int));
334 # pragma function(memcmp)
338 # define memcmp my_memcmp
340 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
344 # define memzero(d,l) bzero(d,l)
347 # define memzero(d,l) memset(d,0,l)
349 # define memzero(d,l) my_bzero(d,l)
356 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
358 #endif /* !HAS_BCMP */
361 # include <netinet/in.h>
365 #include <sys/stat.h>
368 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
369 like UTekV) are broken, sometimes giving false positives. Undefine
370 them here and let the code below set them to proper values.
372 The ghs macro stands for GreenHills Software C-1.8.5 which
373 is the C compiler for sysV88 and the various derivatives.
374 This header file bug is corrected in gcc-2.5.8 and later versions.
375 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
377 #if defined(uts) || (defined(m88k) && defined(ghs))
391 # ifdef I_SYS_TIME_KERNEL
394 # include <sys/time.h>
395 # ifdef I_SYS_TIME_KERNEL
400 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
401 # include <sys/times.h>
404 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
410 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
412 #endif /* !HAS_MKFIFO */
417 # include <net/errno.h>
422 # define SETERRNO(errcode,vmserrcode) \
424 set_errno(errcode); \
425 set_vaxc_errno(vmserrcode); \
428 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
432 extern int errno; /* ANSI allows errno to be an lvalue expr */
437 char *strerror _((int,...));
439 #ifndef DONT_DECLARE_STD
440 char *strerror _((int));
444 # define Strerror strerror
447 # ifdef HAS_SYS_ERRLIST
449 extern char *sys_errlist[];
451 # define Strerror(e) \
452 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
459 # include <sys/ioctl.h>
463 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
464 # ifdef HAS_SOCKETPAIR
465 # undef HAS_SOCKETPAIR
480 /* Configure already sets Direntry_t */
481 #if defined(I_DIRENT)
483 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
484 # include <sys/dir.h>
488 # include <sys/ndir.h>
492 # include <ndir.h> /* may be wrong in the future */
494 # include <sys/dir.h>
501 /* work around botch in SunOS 4.0.1 and 4.0.2 */
503 # define fputs(sv,fp) fprintf(fp,"%s",sv)
508 * The following gobbledygook brought to you on behalf of __STDC__.
509 * (I could just use #ifndef __STDC__, but this is more bulletproof
510 * in the face of half-implementations.)
515 # define S_IFMT _S_IFMT
517 # define S_IFMT 0170000
522 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
526 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
531 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
533 # define S_ISBLK(m) (0)
538 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
543 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
545 # define S_ISFIFO(m) (0)
551 # define S_ISLNK(m) _S_ISLNK(m)
554 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
557 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
559 # define S_ISLNK(m) (0)
567 # define S_ISSOCK(m) _S_ISSOCK(m)
570 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
573 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
575 # define S_ISSOCK(m) (0)
583 # define S_IRUSR S_IREAD
584 # define S_IWUSR S_IWRITE
585 # define S_IXUSR S_IEXEC
587 # define S_IRUSR 0400
588 # define S_IWUSR 0200
589 # define S_IXUSR 0100
591 # define S_IRGRP (S_IRUSR>>3)
592 # define S_IWGRP (S_IWUSR>>3)
593 # define S_IXGRP (S_IXUSR>>3)
594 # define S_IROTH (S_IRUSR>>6)
595 # define S_IWOTH (S_IWUSR>>6)
596 # define S_IXOTH (S_IXUSR>>6)
600 # define S_ISUID 04000
604 # define S_ISGID 02000
611 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
612 # define SLOPPYDIVIDE
619 /* XXX QUAD stuff is not currently supported on most systems.
620 Specifically, perl internals don't support long long. Among
621 the many problems is that some compilers support long long,
622 but the underlying library functions (such as sprintf) don't.
623 Some things do work (such as quad pack/unpack on convex);
624 also some systems use long long for the fpos_t typedef. That
627 The IV type is supposed to be long enough to hold any integral
629 --Andy Dougherty August 1996
636 # define Quad_t long long
638 # if BYTEORDER > 0xFFFF
647 typedef unsigned Quad_t UV;
648 # define IV_MAX PERL_QUAD_MAX
649 # define IV_MIN PERL_QUAD_MIN
650 # define UV_MAX PERL_UQUAD_MAX
651 # define UV_MIN PERL_UQUAD_MIN
654 typedef unsigned long UV;
655 # define IV_MAX PERL_LONG_MAX
656 # define IV_MIN PERL_LONG_MIN
657 # define UV_MAX PERL_ULONG_MAX
658 # define UV_MIN PERL_ULONG_MIN
661 /* Previously these definitions used hardcoded figures.
662 * It is hoped these formula are more portable, although
663 * no data one way or another is presently known to me.
664 * The "PERL_" names are used because these calculated constants
665 * do not meet the ANSI requirements for LONG_MAX, etc., which
666 * need to be constants acceptable to #if - kja
667 * define PERL_LONG_MAX 2147483647L
668 * define PERL_LONG_MIN (-LONG_MAX - 1)
669 * define PERL ULONG_MAX 4294967295L
672 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
681 * Try to figure out max and min values for the integral types. THE CORRECT
682 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
683 * following hacks are used if neither limits.h or values.h provide them:
684 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
685 * for types < int: (unsigned TYPE)~(unsigned)0
686 * The argument to ~ must be unsigned so that later signed->unsigned
687 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
688 * and it must not be smaller than int because ~ does integral promotion.
689 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
690 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
691 * The latter is a hack which happens to work on some machines but
692 * does *not* catch any random system, or things like integer types
693 * with NaN if that is possible.
695 * All of the types are explicitly cast to prevent accidental loss of
696 * numeric range, and in the hope that they will be less likely to confuse
697 * over-eager optimizers.
701 #define PERL_UCHAR_MIN ((unsigned char)0)
704 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
707 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
709 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
714 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
715 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
716 * depending on local options. Until Configure detects this (or at least
717 * detects whether the "signed" keyword is available) the CHAR ranges
718 * will not be included. UCHAR functions normally.
722 #define PERL_USHORT_MIN ((unsigned short)0)
725 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
728 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
730 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
735 # define PERL_SHORT_MAX ((short)SHORT_MAX)
737 # ifdef MAXSHORT /* Often used in <values.h> */
738 # define PERL_SHORT_MAX ((short)MAXSHORT)
740 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
745 # define PERL_SHORT_MIN ((short)SHORT_MIN)
748 # define PERL_SHORT_MIN ((short)MINSHORT)
750 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
755 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
758 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
760 # define PERL_UINT_MAX (~(unsigned int)0)
764 #define PERL_UINT_MIN ((unsigned int)0)
767 # define PERL_INT_MAX ((int)INT_MAX)
769 # ifdef MAXINT /* Often used in <values.h> */
770 # define PERL_INT_MAX ((int)MAXINT)
772 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
777 # define PERL_INT_MIN ((int)INT_MIN)
780 # define PERL_INT_MIN ((int)MININT)
782 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
787 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
790 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
792 # define PERL_ULONG_MAX (~(unsigned long)0)
796 #define PERL_ULONG_MIN ((unsigned long)0L)
799 # define PERL_LONG_MAX ((long)LONG_MAX)
801 # ifdef MAXLONG /* Often used in <values.h> */
802 # define PERL_LONG_MAX ((long)MAXLONG)
804 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
809 # define PERL_LONG_MIN ((long)LONG_MIN)
812 # define PERL_LONG_MIN ((long)MINLONG)
814 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
821 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
823 # define PERL_UQUAD_MAX (~(UV)0)
826 # define PERL_UQUAD_MIN ((UV)0)
829 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
831 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
835 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
837 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
842 typedef MEM_SIZE STRLEN;
844 typedef struct op OP;
845 typedef struct cop COP;
846 typedef struct unop UNOP;
847 typedef struct binop BINOP;
848 typedef struct listop LISTOP;
849 typedef struct logop LOGOP;
850 typedef struct condop CONDOP;
851 typedef struct pmop PMOP;
852 typedef struct svop SVOP;
853 typedef struct gvop GVOP;
854 typedef struct pvop PVOP;
855 typedef struct loop LOOP;
857 typedef struct Outrec Outrec;
858 typedef struct interpreter PerlInterpreter;
859 typedef struct ff FF;
860 typedef struct sv SV;
861 typedef struct av AV;
862 typedef struct hv HV;
863 typedef struct cv CV;
864 typedef struct regexp REGEXP;
865 typedef struct gp GP;
866 typedef struct gv GV;
867 typedef struct io IO;
868 typedef struct context CONTEXT;
869 typedef struct block BLOCK;
871 typedef struct magic MAGIC;
872 typedef struct xrv XRV;
873 typedef struct xpv XPV;
874 typedef struct xpviv XPVIV;
875 typedef struct xpvuv XPVUV;
876 typedef struct xpvnv XPVNV;
877 typedef struct xpvmg XPVMG;
878 typedef struct xpvlv XPVLV;
879 typedef struct xpvav XPVAV;
880 typedef struct xpvhv XPVHV;
881 typedef struct xpvgv XPVGV;
882 typedef struct xpvcv XPVCV;
883 typedef struct xpvbm XPVBM;
884 typedef struct xpvfm XPVFM;
885 typedef struct xpvio XPVIO;
886 typedef struct mgvtbl MGVTBL;
887 typedef union any ANY;
891 typedef I32 (*filter_t) _((int, SV *, int));
892 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
893 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
894 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
907 # include "./plan9/plan9ish.h"
909 # include "unixish.h"
915 # define STATUS_NATIVE statusvalue_vms
916 # define STATUS_NATIVE_EXPORT \
917 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
918 # define STATUS_NATIVE_SET(n) \
920 statusvalue_vms = (n); \
921 if ((I32)statusvalue_vms == -1) \
923 else if (statusvalue_vms & STS$M_SUCCESS) \
925 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
926 statusvalue = 1 << 8; \
928 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
930 # define STATUS_POSIX statusvalue
931 # ifdef VMSISH_STATUS
932 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
934 # define STATUS_CURRENT STATUS_POSIX
936 # define STATUS_POSIX_SET(n) \
939 if (statusvalue != -1) { \
940 statusvalue &= 0xFFFF; \
941 statusvalue_vms = statusvalue ? 44 : 1; \
943 else statusvalue_vms = -1; \
945 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
946 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
948 # define STATUS_NATIVE STATUS_POSIX
949 # define STATUS_NATIVE_EXPORT STATUS_POSIX
950 # define STATUS_NATIVE_SET STATUS_POSIX_SET
951 # define STATUS_POSIX statusvalue
952 # define STATUS_POSIX_SET(n) \
955 if (statusvalue != -1) \
956 statusvalue &= 0xFFFF; \
958 # define STATUS_CURRENT STATUS_POSIX
959 # define STATUS_ALL_SUCCESS (statusvalue = 0)
960 # define STATUS_ALL_FAILURE (statusvalue = 1)
963 /* Some unistd.h's give a prototype for pause() even though
964 HAS_PAUSE ends up undefined. This causes the #define
965 below to be rejected by the compmiler. Sigh.
970 #define Pause() sleep((32767<<16)+32767)
975 /* on BSDish systes we're safe */
976 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
978 /* otherwise guess at what's safe */
979 # define IOCPARM_LEN(x) 256
988 void (*any_dptr) _((void*));
991 /* Work around some cygwin32 problems with importing global symbols */
992 #if defined(CYGWIN32) && defined(DLLIMPORT)
993 # include "cw32imp.h"
1010 /* work around some libPW problems */
1015 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1019 #if defined(htonl) && !defined(HAS_HTONL)
1022 #if defined(htons) && !defined(HAS_HTONS)
1025 #if defined(ntohl) && !defined(HAS_NTOHL)
1028 #if defined(ntohs) && !defined(HAS_NTOHS)
1032 #if (BYTEORDER & 0xffff) != 0x4321
1038 #define htons my_swap
1039 #define htonl my_htonl
1040 #define ntohs my_swap
1041 #define ntohl my_ntohl
1044 #if (BYTEORDER & 0xffff) == 0x4321
1053 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1056 #if BYTEORDER != 0x1234
1061 # if BYTEORDER == 0x4321
1062 # define vtohl(x) ((((x)&0xFF)<<24) \
1064 +(((x)&0x0000FF00)<<8) \
1065 +(((x)&0x00FF0000)>>8) )
1066 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1067 # define htovl(x) vtohl(x)
1068 # define htovs(x) vtohs(x)
1070 /* otherwise default to functions in util.c */
1074 #define U_S(what) ((U16)(what))
1075 #define U_I(what) ((unsigned int)(what))
1076 #define U_L(what) ((U32)(what))
1081 U32 cast_ulong _((double));
1085 #define U_S(what) ((U16)cast_ulong((double)(what)))
1086 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1087 #define U_L(what) (cast_ulong((double)(what)))
1091 #define I_32(what) ((I32)(what))
1092 #define I_V(what) ((IV)(what))
1093 #define U_V(what) ((UV)(what))
1098 I32 cast_i32 _((double));
1099 IV cast_iv _((double));
1100 UV cast_uv _((double));
1104 #define I_32(what) (cast_i32((double)(what)))
1105 #define I_V(what) (cast_iv((double)(what)))
1106 #define U_V(what) (cast_uv((double)(what)))
1120 # define TMPPATH "/tmp/perl-eXXXXXX"
1124 Uid_t getuid _((void));
1125 Uid_t geteuid _((void));
1126 Gid_t getgid _((void));
1127 Gid_t getegid _((void));
1131 #ifndef Perl_debug_log
1132 #define Perl_debug_log PerlIO_stderr()
1136 #define DEBUG(a) if (debug) a
1137 #define DEBUG_p(a) if (debug & 1) a
1138 #define DEBUG_s(a) if (debug & 2) a
1139 #define DEBUG_l(a) if (debug & 4) a
1140 #define DEBUG_t(a) if (debug & 8) a
1141 #define DEBUG_o(a) if (debug & 16) a
1142 #define DEBUG_c(a) if (debug & 32) a
1143 #define DEBUG_P(a) if (debug & 64) a
1144 #define DEBUG_m(a) if (curinterp && debug & 128) a
1145 #define DEBUG_f(a) if (debug & 256) a
1146 #define DEBUG_r(a) if (debug & 512) a
1147 #define DEBUG_x(a) if (debug & 1024) a
1148 #define DEBUG_u(a) if (debug & 2048) a
1149 #define DEBUG_L(a) if (debug & 4096) a
1150 #define DEBUG_H(a) if (debug & 8192) a
1151 #define DEBUG_X(a) if (debug & 16384) a
1152 #define DEBUG_D(a) if (debug & 32768) a
1173 #define YYMAXDEPTH 300
1175 #ifndef assert /* <assert.h> might have been included somehow */
1176 #define assert(what) DEB( { \
1178 croak("Assertion failed: file \"%s\", line %d", \
1179 __FILE__, __LINE__); \
1185 I32 (*uf_val)_((IV, SV*));
1186 I32 (*uf_set)_((IV, SV*));
1190 /* Fix these up for __STDC__ */
1191 #ifndef DONT_DECLARE_STD
1192 char *mktemp _((char*));
1193 double atof _((const char*));
1197 /* All of these are in stdlib.h or time.h for ANSI C */
1199 struct tm *gmtime(), *localtime();
1200 char *strchr(), *strrchr();
1201 char *strcpy(), *strcat();
1202 #endif /* ! STANDARD_C */
1211 double exp _((double));
1212 double log _((double));
1213 double sqrt _((double));
1214 double modf _((double,double*));
1215 double sin _((double));
1216 double cos _((double));
1217 double atan2 _((double,double));
1218 double pow _((double,double));
1225 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1226 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1228 char *crypt _((const char*, const char*));
1230 #ifndef DONT_DECLARE_STD
1232 char *getenv _((const char*));
1234 Off_t lseek _((int,Off_t,int));
1236 char *getlogin _((void));
1239 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1240 #define UNLINK unlnk
1241 I32 unlnk _((char*));
1243 #define UNLINK unlink
1246 #ifndef HAS_SETREUID
1247 # ifdef HAS_SETRESUID
1248 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1249 # define HAS_SETREUID
1252 #ifndef HAS_SETREGID
1253 # ifdef HAS_SETRESGID
1254 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1255 # define HAS_SETREGID
1259 typedef Signal_t (*Sighandler_t) _((int));
1261 #ifdef HAS_SIGACTION
1262 typedef struct sigaction Sigsave_t;
1264 typedef Sighandler_t Sigsave_t;
1276 # ifndef DEBUGGING_MSTATS
1277 # define DEBUGGING_MSTATS
1280 # define PAD_SV(po) pad_sv(po)
1282 # define PAD_SV(po) curpad[po]
1290 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1291 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1292 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1293 #ifndef DONT_DECLARE_STD
1294 extern char ** environ; /* environment variables supplied via exec */
1297 # if defined(NeXT) && defined(__DYNAMIC__)
1299 # include <mach-o/dyld.h>
1300 EXT char *** environ_pointer;
1301 # define environ (*environ_pointer)
1303 #endif /* environ processing */
1305 EXT int uid; /* current real user id */
1306 EXT int euid; /* current effective user id */
1307 EXT int gid; /* current real group id */
1308 EXT int egid; /* current effective group id */
1309 EXT bool nomemok; /* let malloc context handle nomem */
1310 EXT U32 an; /* malloc sequence number */
1311 EXT U32 cop_seqmax; /* statement sequence number */
1312 EXT U16 op_seqmax; /* op sequence number */
1313 EXT U32 evalseq; /* eval sequence number */
1314 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1315 EXT char ** origenviron;
1317 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1318 EXT U32 * profiledata;
1319 EXT int maxo INIT(MAXO);/* Number of ops */
1320 EXT char * osname; /* operating system */
1321 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1323 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1324 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1325 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1326 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1327 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1328 EXT HE * he_root; /* free he list--shared by interpreters */
1329 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1330 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1332 /* Stack for currently executing thread--context switch must handle this. */
1333 EXT SV ** stack_base; /* stack->array_ary */
1334 EXT SV ** stack_sp; /* stack pointer now */
1335 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1337 /* likewise for these */
1339 EXT OP * op; /* current op--oughta be in a global register */
1341 EXT I32 * scopestack; /* blocks we've entered */
1342 EXT I32 scopestack_ix;
1343 EXT I32 scopestack_max;
1345 EXT ANY* savestack; /* to save non-local values on */
1346 EXT I32 savestack_ix;
1347 EXT I32 savestack_max;
1349 EXT OP ** retstack; /* returns we've pushed */
1350 EXT I32 retstack_ix;
1351 EXT I32 retstack_max;
1353 EXT I32 * markstack; /* stackmarks we're remembering */
1354 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1355 EXT I32 * markstack_max; /* stackmarks we're remembering */
1362 EXT char tokenbuf[256];
1363 EXT struct stat statbuf;
1365 EXT struct tms timesbuf;
1367 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1369 /* for tmp use in stupid debuggers */
1374 /* handy constants */
1375 EXTCONST char * Yes INIT("1");
1376 EXTCONST char * No INIT("");
1377 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1378 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1379 EXTCONST char * vert INIT("|");
1381 EXTCONST char warn_uninit[]
1382 INIT("Use of uninitialized value");
1383 EXTCONST char warn_nosemi[]
1384 INIT("Semicolon seems to be missing");
1385 EXTCONST char warn_reserved[]
1386 INIT("Unquoted string \"%s\" may clash with future reserved word");
1387 EXTCONST char warn_nl[]
1388 INIT("Unsuccessful %s on filename containing newline");
1389 EXTCONST char no_wrongref[]
1390 INIT("Can't use %s ref as %s ref");
1391 EXTCONST char no_symref[]
1392 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1393 EXTCONST char no_usym[]
1394 INIT("Can't use an undefined value as %s reference");
1395 EXTCONST char no_aelem[]
1396 INIT("Modification of non-creatable array value attempted, subscript %d");
1397 EXTCONST char no_helem[]
1398 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1399 EXTCONST char no_modify[]
1400 INIT("Modification of a read-only value attempted");
1401 EXTCONST char no_mem[]
1402 INIT("Out of memory!\n");
1403 EXTCONST char no_security[]
1404 INIT("Insecure dependency in %s%s");
1405 EXTCONST char no_sock_func[]
1406 INIT("Unsupported socket function \"%s\" called");
1407 EXTCONST char no_dir_func[]
1408 INIT("Unsupported directory function \"%s\" called");
1409 EXTCONST char no_func[]
1410 INIT("The %s function is unimplemented");
1411 EXTCONST char no_myglob[]
1412 INIT("\"my\" variable %s can't be in a package");
1418 EXT char * cshname INIT(CSH);
1423 EXT char *sig_name[] = { SIG_NAME };
1424 EXT int sig_num[] = { SIG_NUM };
1425 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1426 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1428 EXT char *sig_name[];
1430 EXT SV * psig_ptr[];
1431 EXT SV * psig_name[];
1434 /* fast case folding tables */
1437 EXTCONST unsigned char fold[] = {
1438 0, 1, 2, 3, 4, 5, 6, 7,
1439 8, 9, 10, 11, 12, 13, 14, 15,
1440 16, 17, 18, 19, 20, 21, 22, 23,
1441 24, 25, 26, 27, 28, 29, 30, 31,
1442 32, 33, 34, 35, 36, 37, 38, 39,
1443 40, 41, 42, 43, 44, 45, 46, 47,
1444 48, 49, 50, 51, 52, 53, 54, 55,
1445 56, 57, 58, 59, 60, 61, 62, 63,
1446 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1447 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1448 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1449 'x', 'y', 'z', 91, 92, 93, 94, 95,
1450 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1451 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1452 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1453 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1454 128, 129, 130, 131, 132, 133, 134, 135,
1455 136, 137, 138, 139, 140, 141, 142, 143,
1456 144, 145, 146, 147, 148, 149, 150, 151,
1457 152, 153, 154, 155, 156, 157, 158, 159,
1458 160, 161, 162, 163, 164, 165, 166, 167,
1459 168, 169, 170, 171, 172, 173, 174, 175,
1460 176, 177, 178, 179, 180, 181, 182, 183,
1461 184, 185, 186, 187, 188, 189, 190, 191,
1462 192, 193, 194, 195, 196, 197, 198, 199,
1463 200, 201, 202, 203, 204, 205, 206, 207,
1464 208, 209, 210, 211, 212, 213, 214, 215,
1465 216, 217, 218, 219, 220, 221, 222, 223,
1466 224, 225, 226, 227, 228, 229, 230, 231,
1467 232, 233, 234, 235, 236, 237, 238, 239,
1468 240, 241, 242, 243, 244, 245, 246, 247,
1469 248, 249, 250, 251, 252, 253, 254, 255
1472 EXTCONST unsigned char fold[];
1476 EXT unsigned char fold_locale[] = {
1477 0, 1, 2, 3, 4, 5, 6, 7,
1478 8, 9, 10, 11, 12, 13, 14, 15,
1479 16, 17, 18, 19, 20, 21, 22, 23,
1480 24, 25, 26, 27, 28, 29, 30, 31,
1481 32, 33, 34, 35, 36, 37, 38, 39,
1482 40, 41, 42, 43, 44, 45, 46, 47,
1483 48, 49, 50, 51, 52, 53, 54, 55,
1484 56, 57, 58, 59, 60, 61, 62, 63,
1485 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1486 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1487 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1488 'x', 'y', 'z', 91, 92, 93, 94, 95,
1489 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1490 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1491 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1492 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1493 128, 129, 130, 131, 132, 133, 134, 135,
1494 136, 137, 138, 139, 140, 141, 142, 143,
1495 144, 145, 146, 147, 148, 149, 150, 151,
1496 152, 153, 154, 155, 156, 157, 158, 159,
1497 160, 161, 162, 163, 164, 165, 166, 167,
1498 168, 169, 170, 171, 172, 173, 174, 175,
1499 176, 177, 178, 179, 180, 181, 182, 183,
1500 184, 185, 186, 187, 188, 189, 190, 191,
1501 192, 193, 194, 195, 196, 197, 198, 199,
1502 200, 201, 202, 203, 204, 205, 206, 207,
1503 208, 209, 210, 211, 212, 213, 214, 215,
1504 216, 217, 218, 219, 220, 221, 222, 223,
1505 224, 225, 226, 227, 228, 229, 230, 231,
1506 232, 233, 234, 235, 236, 237, 238, 239,
1507 240, 241, 242, 243, 244, 245, 246, 247,
1508 248, 249, 250, 251, 252, 253, 254, 255
1511 EXT unsigned char fold_locale[];
1515 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1516 1, 2, 84, 151, 154, 155, 156, 157,
1517 165, 246, 250, 3, 158, 7, 18, 29,
1518 40, 51, 62, 73, 85, 96, 107, 118,
1519 129, 140, 147, 148, 149, 150, 152, 153,
1520 255, 182, 224, 205, 174, 176, 180, 217,
1521 233, 232, 236, 187, 235, 228, 234, 226,
1522 222, 219, 211, 195, 188, 193, 185, 184,
1523 191, 183, 201, 229, 181, 220, 194, 162,
1524 163, 208, 186, 202, 200, 218, 198, 179,
1525 178, 214, 166, 170, 207, 199, 209, 206,
1526 204, 160, 212, 216, 215, 192, 175, 173,
1527 243, 172, 161, 190, 203, 189, 164, 230,
1528 167, 248, 227, 244, 242, 255, 241, 231,
1529 240, 253, 169, 210, 245, 237, 249, 247,
1530 239, 168, 252, 251, 254, 238, 223, 221,
1531 213, 225, 177, 197, 171, 196, 159, 4,
1532 5, 6, 8, 9, 10, 11, 12, 13,
1533 14, 15, 16, 17, 19, 20, 21, 22,
1534 23, 24, 25, 26, 27, 28, 30, 31,
1535 32, 33, 34, 35, 36, 37, 38, 39,
1536 41, 42, 43, 44, 45, 46, 47, 48,
1537 49, 50, 52, 53, 54, 55, 56, 57,
1538 58, 59, 60, 61, 63, 64, 65, 66,
1539 67, 68, 69, 70, 71, 72, 74, 75,
1540 76, 77, 78, 79, 80, 81, 82, 83,
1541 86, 87, 88, 89, 90, 91, 92, 93,
1542 94, 95, 97, 98, 99, 100, 101, 102,
1543 103, 104, 105, 106, 108, 109, 110, 111,
1544 112, 113, 114, 115, 116, 117, 119, 120,
1545 121, 122, 123, 124, 125, 126, 127, 128,
1546 130, 131, 132, 133, 134, 135, 136, 137,
1547 138, 139, 141, 142, 143, 144, 145, 146
1550 EXTCONST unsigned char freq[];
1555 EXTCONST char* block_type[] = {
1564 EXTCONST char* block_type[];
1568 /*****************************************************************************/
1569 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1570 /*****************************************************************************/
1571 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1584 EXT U32 lex_state; /* next token is determined */
1585 EXT U32 lex_defer; /* state after determined token */
1586 EXT expectation lex_expect; /* expect after determined token */
1587 EXT I32 lex_brackets; /* bracket count */
1588 EXT I32 lex_formbrack; /* bracket count at outer format level */
1589 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1590 EXT I32 lex_casemods; /* casemod count */
1591 EXT I32 lex_dojoin; /* doing an array interpolation */
1592 EXT I32 lex_starts; /* how many interps done on level */
1593 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1594 EXT SV * lex_repl; /* runtime replacement from s/// */
1595 EXT OP * lex_op; /* extra info to pass back on op */
1596 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1597 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1598 EXT char * lex_brackstack; /* what kind of brackets to pop */
1599 EXT char * lex_casestack; /* what kind of case mods in effect */
1601 /* What we know when we're in LEX_KNOWNEXT state. */
1602 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1603 EXT I32 nexttype[5]; /* type of next token */
1606 EXT PerlIO * VOL rsfp INIT(Nullfp);
1609 EXT char * oldbufptr;
1610 EXT char * oldoldbufptr;
1612 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1613 EXT AV * rsfp_filters;
1615 EXT I32 multi_start; /* 1st line of multi-line string */
1616 EXT I32 multi_end; /* last line of multi-line string */
1617 EXT I32 multi_open; /* delimiter of said string */
1618 EXT I32 multi_close; /* delimiter of said string */
1621 EXT I32 error_count; /* how many errors so far, max 10 */
1622 EXT I32 subline; /* line this subroutine began on */
1623 EXT SV * subname; /* name of current subroutine */
1625 EXT CV * compcv; /* currently compiling subroutine */
1626 EXT AV * comppad; /* storage for lexically scoped temporaries */
1627 EXT AV * comppad_name; /* variable names for "my" variables */
1628 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1629 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1630 EXT I32 min_intro_pending;/* start of vars to introduce */
1631 EXT I32 max_intro_pending;/* end of vars to introduce */
1632 EXT I32 padix; /* max used index in current "register" pad */
1633 EXT I32 padix_floor; /* how low may inner block reset padix */
1634 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1637 EXT I32 thisexpr; /* name id for nothing_in_common() */
1638 EXT char * last_uni; /* position of last named-unary operator */
1639 EXT char * last_lop; /* position of last list operator */
1640 EXT OPCODE last_lop_op; /* last list operator */
1641 EXT bool in_my; /* we're compiling a "my" declaration */
1643 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1646 EXT U32 hints; /* various compilation flags */
1648 /* Note: the lowest 8 bits are reserved for
1649 stuffing into op->op_private */
1650 #define HINT_INTEGER 0x00000001
1651 #define HINT_STRICT_REFS 0x00000002
1653 #define HINT_BLOCK_SCOPE 0x00000100
1654 #define HINT_STRICT_SUBS 0x00000200
1655 #define HINT_STRICT_VARS 0x00000400
1656 #define HINT_LOCALE 0x00000800
1658 /**************************************************************************/
1659 /* This regexp stuff is global since it always happens within 1 expr eval */
1660 /**************************************************************************/
1662 EXT char * regprecomp; /* uncompiled string. */
1663 EXT char * regparse; /* Input-scan pointer. */
1664 EXT char * regxend; /* End of input for compile */
1665 EXT I32 regnpar; /* () count. */
1666 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1667 EXT I32 regsize; /* Code size. */
1668 EXT I32 regnaughty; /* How bad is this pattern? */
1669 EXT I32 regsawback; /* Did we see \1, ...? */
1671 EXT char * reginput; /* String-input pointer. */
1672 EXT char * regbol; /* Beginning of input, for ^ check. */
1673 EXT char * regeol; /* End of input, for $ check. */
1674 EXT char ** regstartp; /* Pointer to startp array. */
1675 EXT char ** regendp; /* Ditto for endp. */
1676 EXT U32 * reglastparen; /* Similarly for lastparen. */
1677 EXT char * regtill; /* How far we are required to go. */
1678 EXT U16 regflags; /* are we folding, multilining? */
1679 EXT char regprev; /* char before regbol, \n if none */
1681 EXT bool do_undump; /* -u or dump seen? */
1684 /***********************************************/
1685 /* Global only to current interpreter instance */
1686 /***********************************************/
1691 struct interpreter {
1694 #define IINIT(x) INIT(x)
1697 /* pseudo environmental stuff */
1699 IEXT char ** Iorigargv;
1703 IEXT char * Iorigfilename;
1705 IEXT SV * Iwarnhook;
1706 IEXT SV * Iparsehook;
1708 /* Various states of an input record separator SV (rs, nrs) */
1709 #define RsSNARF(sv) (! SvOK(sv))
1710 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1711 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1716 IEXT char Ipatchlevel[10];
1717 IEXT char ** Ilocalpatches;
1719 IEXT char * Isplitstr IINIT(" ");
1720 IEXT bool Ipreprocess;
1726 IEXT bool Idoswitches;
1728 IEXT bool Idoextract;
1729 IEXT bool Isawampersand; /* must save all match strings */
1730 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1733 IEXT char * Iinplace;
1734 IEXT char * Ie_tmpname;
1735 IEXT PerlIO * Ie_fp;
1737 /* This value may be raised by extensions for testing purposes */
1738 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1740 /* magical thingies */
1741 IEXT Time_t Ibasetime; /* $^T */
1742 IEXT SV * Iformfeed; /* $^L */
1743 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1744 IEXT SV * Irs; /* $/ */
1745 IEXT char * Iofs; /* $, */
1746 IEXT STRLEN Iofslen;
1747 IEXT char * Iors; /* $\ */
1748 IEXT STRLEN Iorslen;
1749 IEXT char * Iofmt; /* $# */
1750 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1751 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1752 IEXT I32 Istatusvalue; /* $? */
1754 IEXT U32 Istatusvalue_vms;
1757 IEXT struct stat Istatcache; /* _ */
1759 IEXT SV * Istatname IINIT(Nullsv);
1761 /* shortcuts to various I/O objects */
1763 IEXT GV * Ilast_in_gv;
1766 IEXT GV * Idefoutgv;
1767 IEXT GV * Iargvoutgv;
1769 /* shortcuts to regexp stuff */
1773 IEXT PMOP * Icurpm; /* what to do \ interps from */
1774 IEXT I32 * Iscreamfirst;
1775 IEXT I32 * Iscreamnext;
1776 IEXT I32 Imaxscream IINIT(-1);
1777 IEXT SV * Ilastscream;
1779 /* shortcuts to misc objects */
1782 /* shortcuts to debugging objects */
1786 IEXT SV * IDBsingle;
1788 IEXT SV * IDBsignal;
1789 IEXT AV * Ilineary; /* lines of script for debugger */
1790 IEXT AV * Idbargs; /* args to call listed by caller function */
1793 IEXT HV * Idefstash; /* main symbol table */
1794 IEXT HV * Icurstash; /* symbol table for current package */
1795 IEXT HV * Idebstash; /* symbol table for perldb package */
1796 IEXT SV * Icurstname; /* name of current package */
1797 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1798 IEXT AV * Iendav; /* names of END subroutines */
1799 IEXT HV * Istrtab; /* shared string table */
1801 /* memory management */
1802 IEXT SV ** Itmps_stack;
1803 IEXT I32 Itmps_ix IINIT(-1);
1804 IEXT I32 Itmps_floor IINIT(-1);
1806 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1807 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1808 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1809 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1811 /* funky return mechanisms */
1812 IEXT I32 Ilastspbase;
1814 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1816 /* subprocess state */
1817 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1819 /* internal state */
1820 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1821 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1822 IEXT int Idelaymagic; /* ($<,$>) = ... */
1823 IEXT bool Idirty; /* In the middle of tearing things down? */
1824 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1825 IEXT bool Itainted; /* using variables controlled by $< */
1826 IEXT bool Itainting; /* doing taint checks */
1827 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1831 IEXT I32 Idlmax IINIT(128);
1832 IEXT char * Idebname;
1833 IEXT char * Idebdelim;
1835 /* current interpreter roots */
1837 IEXT OP * Imain_root;
1838 IEXT OP * Imain_start;
1839 IEXT OP * Ieval_root;
1840 IEXT OP * Ieval_start;
1842 /* runtime control stuff */
1843 IEXT COP * VOL Icurcop IINIT(&compiling);
1844 IEXT COP * Icurcopdb IINIT(NULL);
1845 IEXT line_t Icopline IINIT(NOLINE);
1846 IEXT CONTEXT * Icxstack;
1847 IEXT I32 Icxstack_ix IINIT(-1);
1848 IEXT I32 Icxstack_max IINIT(128);
1849 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1850 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1854 IEXT AV * Icurstack; /* THE STACK */
1855 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1856 IEXT SV ** Imystack_base; /* stack->array_ary */
1857 IEXT SV ** Imystack_sp; /* stack pointer now */
1858 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1860 /* format accumulators */
1861 IEXT SV * Iformtarget;
1862 IEXT SV * Ibodytarget;
1863 IEXT SV * Itoptarget;
1865 /* statics moved here for shared library purposes */
1866 IEXT SV Istrchop; /* return value from chop */
1867 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1868 IEXT int Ilastfd; /* what to preserve mode on */
1869 IEXT char * Ioldname; /* what to preserve mode on */
1870 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1871 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1872 IEXT OP * Isortcop; /* user defined sort routine */
1873 IEXT HV * Isortstash; /* which is in some package or other */
1874 IEXT GV * Ifirstgv; /* $a */
1875 IEXT GV * Isecondgv; /* $b */
1876 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1877 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1878 IEXT SV * Imystrk; /* temp key string for do_each() */
1879 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1880 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1881 IEXT I32 Igensym; /* next symbol for getsym() to define */
1882 IEXT bool Ipreambled;
1883 IEXT AV * Ipreambleav;
1884 IEXT int Ilaststatval IINIT(-1);
1885 IEXT I32 Ilaststype IINIT(OP_STAT);
1894 struct interpreter {
1908 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1909 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1911 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1912 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1919 /* The following must follow proto.h */
1923 EXT MGVTBL vtbl_sv = {magic_get,
1927 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1928 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1931 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1932 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1936 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1938 EXT MGVTBL vtbl_packelem = {magic_getpack,
1942 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1944 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1946 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1948 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1951 EXT MGVTBL vtbl_glob = {magic_getglob,
1954 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1956 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1958 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1960 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1962 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1964 EXT MGVTBL vtbl_pos = {magic_getpos,
1967 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1969 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1971 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1974 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
1975 0, 0, magic_freedefelem};
1977 #ifdef USE_LOCALE_COLLATE
1978 EXT MGVTBL vtbl_collxfrm = {0,
1984 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1985 0, 0, magic_setamagic};
1986 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1987 0, 0, magic_setamagic};
1988 #endif /* OVERLOAD */
1993 EXT MGVTBL vtbl_env;
1994 EXT MGVTBL vtbl_envelem;
1995 EXT MGVTBL vtbl_sig;
1996 EXT MGVTBL vtbl_sigelem;
1997 EXT MGVTBL vtbl_pack;
1998 EXT MGVTBL vtbl_packelem;
1999 EXT MGVTBL vtbl_dbline;
2000 EXT MGVTBL vtbl_isa;
2001 EXT MGVTBL vtbl_isaelem;
2002 EXT MGVTBL vtbl_arylen;
2003 EXT MGVTBL vtbl_glob;
2004 EXT MGVTBL vtbl_mglob;
2005 EXT MGVTBL vtbl_nkeys;
2006 EXT MGVTBL vtbl_taint;
2007 EXT MGVTBL vtbl_substr;
2008 EXT MGVTBL vtbl_vec;
2009 EXT MGVTBL vtbl_pos;
2012 EXT MGVTBL vtbl_uvar;
2013 EXT MGVTBL vtbl_defelem;
2015 #ifdef USE_LOCALE_COLLATE
2016 EXT MGVTBL vtbl_collxfrm;
2020 EXT MGVTBL vtbl_amagic;
2021 EXT MGVTBL vtbl_amagicelem;
2022 #endif /* OVERLOAD */
2024 #endif /* !DOINIT */
2028 EXT long amagic_generation;
2030 #define NofAMmeth 58
2032 EXTCONST char * AMG_names[NofAMmeth] = {
2033 "fallback", "abs", /* "fallback" should be the first. */
2064 EXTCONST char * AMG_names[NofAMmeth];
2065 #endif /* def INITAMAGIC */
2071 CV* table[NofAMmeth];
2074 struct am_table_short {
2079 typedef struct am_table AMT;
2080 typedef struct am_table_short AMTS;
2082 #define AMGfallNEVER 1
2084 #define AMGfallYES 3
2086 #define AMTf_AMAGIC 1
2087 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2088 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2089 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2092 fallback_amg, abs_amg,
2093 bool__amg, nomethod_amg,
2094 string_amg, numer_amg,
2095 add_amg, add_ass_amg,
2096 subtr_amg, subtr_ass_amg,
2097 mult_amg, mult_ass_amg,
2098 div_amg, div_ass_amg,
2099 mod_amg, mod_ass_amg,
2100 pow_amg, pow_ass_amg,
2101 lshift_amg, lshift_ass_amg,
2102 rshift_amg, rshift_ass_amg,
2103 band_amg, band_ass_amg,
2104 bor_amg, bor_ass_amg,
2105 bxor_amg, bxor_ass_amg,
2118 repeat_amg, repeat_ass_amg,
2119 concat_amg, concat_ass_amg,
2124 * some compilers like to redefine cos et alia as faster
2125 * (and less accurate?) versions called F_cos et cetera (Quidquid
2126 * latine dictum sit, altum viditur.) This trick collides with
2127 * the Perl overloading (amg). The following #defines fool both.
2132 # define F_atan2_amg atan2_amg
2135 # define F_cos_amg cos_amg
2138 # define F_exp_amg exp_amg
2141 # define F_log_amg log_amg
2144 # define F_pow_amg pow_amg
2147 # define F_sin_amg sin_amg
2150 # define F_sqrt_amg sqrt_amg
2152 #endif /* _FASTMATH */
2154 #endif /* OVERLOAD */
2156 #ifdef USE_LOCALE_COLLATE
2157 EXT U32 collation_ix; /* Collation generation index */
2158 EXT char * collation_name; /* Name of current collation */
2159 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2160 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2161 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2162 #endif /* USE_LOCALE_COLLATE */
2164 #ifdef USE_LOCALE_NUMERIC
2166 EXT char * numeric_name; /* Name of current numeric locale */
2167 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2168 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2170 #define SET_NUMERIC_STANDARD() \
2172 if (! numeric_standard) \
2173 perl_set_numeric_standard(); \
2176 #define SET_NUMERIC_LOCAL() \
2178 if (! numeric_local) \
2179 perl_set_numeric_local(); \
2182 #else /* !USE_LOCALE_NUMERIC */
2184 #define SET_NUMERIC_STANDARD() /**/
2185 #define SET_NUMERIC_LOCAL() /**/
2187 #endif /* !USE_LOCALE_NUMERIC */
2189 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2191 * Now we have __attribute__ out of the way
2194 #define printf PerlIO_stdoutf
2197 #endif /* Include guard */