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__)
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));
307 # define memzero(d,l) memset(d,0,l)
311 # define memzero(d,l) bzero(d,l)
313 # define memzero(d,l) my_bzero(d,l)
316 #endif /* HAS_MEMSET */
318 #if !defined(HAS_MEMMOVE) && !defined(memmove)
319 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
320 # define memmove(d,s,l) bcopy(s,d,l)
322 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
323 # define memmove(d,s,l) memcpy(d,s,l)
325 # define memmove(d,s,l) my_bcopy(s,d,l)
330 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
334 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
335 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
337 extern int memcmp _((char*, char*, int));
341 # pragma function(memcmp)
345 # define memcmp my_memcmp
347 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
351 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
353 #endif /* !HAS_BCMP */
356 # include <netinet/in.h>
360 #include <sys/stat.h>
363 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
364 like UTekV) are broken, sometimes giving false positives. Undefine
365 them here and let the code below set them to proper values.
367 The ghs macro stands for GreenHills Software C-1.8.5 which
368 is the C compiler for sysV88 and the various derivatives.
369 This header file bug is corrected in gcc-2.5.8 and later versions.
370 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
372 #if defined(uts) || (defined(m88k) && defined(ghs))
386 # ifdef I_SYS_TIME_KERNEL
389 # include <sys/time.h>
390 # ifdef I_SYS_TIME_KERNEL
395 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
396 # include <sys/times.h>
399 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
405 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
407 #endif /* !HAS_MKFIFO */
412 # include <net/errno.h>
417 # define SETERRNO(errcode,vmserrcode) \
419 set_errno(errcode); \
420 set_vaxc_errno(vmserrcode); \
423 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
427 extern int errno; /* ANSI allows errno to be an lvalue expr */
432 char *strerror _((int,...));
434 #ifndef DONT_DECLARE_STD
435 char *strerror _((int));
439 # define Strerror strerror
442 # ifdef HAS_SYS_ERRLIST
444 extern char *sys_errlist[];
446 # define Strerror(e) \
447 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
454 # include <sys/ioctl.h>
458 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
459 # ifdef HAS_SOCKETPAIR
460 # undef HAS_SOCKETPAIR
475 /* Configure already sets Direntry_t */
476 #if defined(I_DIRENT)
478 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
479 # include <sys/dir.h>
483 # include <sys/ndir.h>
487 # include <ndir.h> /* may be wrong in the future */
489 # include <sys/dir.h>
496 /* work around botch in SunOS 4.0.1 and 4.0.2 */
498 # define fputs(sv,fp) fprintf(fp,"%s",sv)
503 * The following gobbledygook brought to you on behalf of __STDC__.
504 * (I could just use #ifndef __STDC__, but this is more bulletproof
505 * in the face of half-implementations.)
510 # define S_IFMT _S_IFMT
512 # define S_IFMT 0170000
517 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
521 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
526 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
528 # define S_ISBLK(m) (0)
533 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
538 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
540 # define S_ISFIFO(m) (0)
546 # define S_ISLNK(m) _S_ISLNK(m)
549 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
552 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
554 # define S_ISLNK(m) (0)
562 # define S_ISSOCK(m) _S_ISSOCK(m)
565 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
568 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
570 # define S_ISSOCK(m) (0)
578 # define S_IRUSR S_IREAD
579 # define S_IWUSR S_IWRITE
580 # define S_IXUSR S_IEXEC
582 # define S_IRUSR 0400
583 # define S_IWUSR 0200
584 # define S_IXUSR 0100
586 # define S_IRGRP (S_IRUSR>>3)
587 # define S_IWGRP (S_IWUSR>>3)
588 # define S_IXGRP (S_IXUSR>>3)
589 # define S_IROTH (S_IRUSR>>6)
590 # define S_IWOTH (S_IWUSR>>6)
591 # define S_IXOTH (S_IXUSR>>6)
595 # define S_ISUID 04000
599 # define S_ISGID 02000
606 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
607 # define SLOPPYDIVIDE
614 /* XXX QUAD stuff is not currently supported on most systems.
615 Specifically, perl internals don't support long long. Among
616 the many problems is that some compilers support long long,
617 but the underlying library functions (such as sprintf) don't.
618 Some things do work (such as quad pack/unpack on convex);
619 also some systems use long long for the fpos_t typedef. That
622 The IV type is supposed to be long enough to hold any integral
624 --Andy Dougherty August 1996
631 # define Quad_t long long
633 # if BYTEORDER > 0xFFFF
642 typedef unsigned Quad_t UV;
643 # define IV_MAX PERL_QUAD_MAX
644 # define IV_MIN PERL_QUAD_MIN
645 # define UV_MAX PERL_UQUAD_MAX
646 # define UV_MIN PERL_UQUAD_MIN
649 typedef unsigned long UV;
650 # define IV_MAX PERL_LONG_MAX
651 # define IV_MIN PERL_LONG_MIN
652 # define UV_MAX PERL_ULONG_MAX
653 # define UV_MIN PERL_ULONG_MIN
656 /* Previously these definitions used hardcoded figures.
657 * It is hoped these formula are more portable, although
658 * no data one way or another is presently known to me.
659 * The "PERL_" names are used because these calculated constants
660 * do not meet the ANSI requirements for LONG_MAX, etc., which
661 * need to be constants acceptable to #if - kja
662 * define PERL_LONG_MAX 2147483647L
663 * define PERL_LONG_MIN (-LONG_MAX - 1)
664 * define PERL ULONG_MAX 4294967295L
667 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
676 * Try to figure out max and min values for the integral types. THE CORRECT
677 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
678 * following hacks are used if neither limits.h or values.h provide them:
679 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
680 * for types < int: (unsigned TYPE)~(unsigned)0
681 * The argument to ~ must be unsigned so that later signed->unsigned
682 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
683 * and it must not be smaller than int because ~ does integral promotion.
684 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
685 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
686 * The latter is a hack which happens to work on some machines but
687 * does *not* catch any random system, or things like integer types
688 * with NaN if that is possible.
690 * All of the types are explicitly cast to prevent accidental loss of
691 * numeric range, and in the hope that they will be less likely to confuse
692 * over-eager optimizers.
696 #define PERL_UCHAR_MIN ((unsigned char)0)
699 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
702 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
704 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
709 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
710 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
711 * depending on local options. Until Configure detects this (or at least
712 * detects whether the "signed" keyword is available) the CHAR ranges
713 * will not be included. UCHAR functions normally.
717 #define PERL_USHORT_MIN ((unsigned short)0)
720 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
723 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
725 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
730 # define PERL_SHORT_MAX ((short)SHORT_MAX)
732 # ifdef MAXSHORT /* Often used in <values.h> */
733 # define PERL_SHORT_MAX ((short)MAXSHORT)
735 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
740 # define PERL_SHORT_MIN ((short)SHORT_MIN)
743 # define PERL_SHORT_MIN ((short)MINSHORT)
745 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
750 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
753 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
755 # define PERL_UINT_MAX (~(unsigned int)0)
759 #define PERL_UINT_MIN ((unsigned int)0)
762 # define PERL_INT_MAX ((int)INT_MAX)
764 # ifdef MAXINT /* Often used in <values.h> */
765 # define PERL_INT_MAX ((int)MAXINT)
767 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
772 # define PERL_INT_MIN ((int)INT_MIN)
775 # define PERL_INT_MIN ((int)MININT)
777 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
782 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
785 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
787 # define PERL_ULONG_MAX (~(unsigned long)0)
791 #define PERL_ULONG_MIN ((unsigned long)0L)
794 # define PERL_LONG_MAX ((long)LONG_MAX)
796 # ifdef MAXLONG /* Often used in <values.h> */
797 # define PERL_LONG_MAX ((long)MAXLONG)
799 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
804 # define PERL_LONG_MIN ((long)LONG_MIN)
807 # define PERL_LONG_MIN ((long)MINLONG)
809 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
816 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
818 # define PERL_UQUAD_MAX (~(UV)0)
821 # define PERL_UQUAD_MIN ((UV)0)
824 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
826 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
830 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
832 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
837 typedef MEM_SIZE STRLEN;
839 typedef struct op OP;
840 typedef struct cop COP;
841 typedef struct unop UNOP;
842 typedef struct binop BINOP;
843 typedef struct listop LISTOP;
844 typedef struct logop LOGOP;
845 typedef struct condop CONDOP;
846 typedef struct pmop PMOP;
847 typedef struct svop SVOP;
848 typedef struct gvop GVOP;
849 typedef struct pvop PVOP;
850 typedef struct loop LOOP;
852 typedef struct Outrec Outrec;
853 typedef struct interpreter PerlInterpreter;
854 typedef struct ff FF;
855 typedef struct sv SV;
856 typedef struct av AV;
857 typedef struct hv HV;
858 typedef struct cv CV;
859 typedef struct regexp REGEXP;
860 typedef struct gp GP;
861 typedef struct gv GV;
862 typedef struct io IO;
863 typedef struct context CONTEXT;
864 typedef struct block BLOCK;
866 typedef struct magic MAGIC;
867 typedef struct xrv XRV;
868 typedef struct xpv XPV;
869 typedef struct xpviv XPVIV;
870 typedef struct xpvuv XPVUV;
871 typedef struct xpvnv XPVNV;
872 typedef struct xpvmg XPVMG;
873 typedef struct xpvlv XPVLV;
874 typedef struct xpvav XPVAV;
875 typedef struct xpvhv XPVHV;
876 typedef struct xpvgv XPVGV;
877 typedef struct xpvcv XPVCV;
878 typedef struct xpvbm XPVBM;
879 typedef struct xpvfm XPVFM;
880 typedef struct xpvio XPVIO;
881 typedef struct mgvtbl MGVTBL;
882 typedef union any ANY;
886 typedef I32 (*filter_t) _((int, SV *, int));
887 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
888 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
889 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
902 # include "./plan9/plan9ish.h"
904 # include "unixish.h"
910 # define STATUS_NATIVE statusvalue_vms
911 # define STATUS_NATIVE_EXPORT \
912 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
913 # define STATUS_NATIVE_SET(n) \
915 statusvalue_vms = (n); \
916 if ((I32)statusvalue_vms == -1) \
918 else if (statusvalue_vms & STS$M_SUCCESS) \
920 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
921 statusvalue = 1 << 8; \
923 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
925 # define STATUS_POSIX statusvalue
926 # ifdef VMSISH_STATUS
927 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
929 # define STATUS_CURRENT STATUS_POSIX
931 # define STATUS_POSIX_SET(n) \
934 if (statusvalue != -1) { \
935 statusvalue &= 0xFFFF; \
936 statusvalue_vms = statusvalue ? 44 : 1; \
938 else statusvalue_vms = -1; \
940 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
941 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
943 # define STATUS_NATIVE STATUS_POSIX
944 # define STATUS_NATIVE_EXPORT STATUS_POSIX
945 # define STATUS_NATIVE_SET STATUS_POSIX_SET
946 # define STATUS_POSIX statusvalue
947 # define STATUS_POSIX_SET(n) \
950 if (statusvalue != -1) \
951 statusvalue &= 0xFFFF; \
953 # define STATUS_CURRENT STATUS_POSIX
954 # define STATUS_ALL_SUCCESS (statusvalue = 0)
955 # define STATUS_ALL_FAILURE (statusvalue = 1)
958 /* Some unistd.h's give a prototype for pause() even though
959 HAS_PAUSE ends up undefined. This causes the #define
960 below to be rejected by the compmiler. Sigh.
965 #define Pause() sleep((32767<<16)+32767)
970 /* on BSDish systes we're safe */
971 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
973 /* otherwise guess at what's safe */
974 # define IOCPARM_LEN(x) 256
983 void (*any_dptr) _((void*));
986 /* Work around some cygwin32 problems with importing global symbols */
987 #if defined(CYGWIN32) && defined(DLLIMPORT)
988 # include "cw32imp.h"
1005 /* work around some libPW problems */
1010 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1014 #if defined(htonl) && !defined(HAS_HTONL)
1017 #if defined(htons) && !defined(HAS_HTONS)
1020 #if defined(ntohl) && !defined(HAS_NTOHL)
1023 #if defined(ntohs) && !defined(HAS_NTOHS)
1027 #if (BYTEORDER & 0xffff) != 0x4321
1033 #define htons my_swap
1034 #define htonl my_htonl
1035 #define ntohs my_swap
1036 #define ntohl my_ntohl
1039 #if (BYTEORDER & 0xffff) == 0x4321
1048 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1051 #if BYTEORDER != 0x1234
1056 # if BYTEORDER == 0x4321
1057 # define vtohl(x) ((((x)&0xFF)<<24) \
1059 +(((x)&0x0000FF00)<<8) \
1060 +(((x)&0x00FF0000)>>8) )
1061 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1062 # define htovl(x) vtohl(x)
1063 # define htovs(x) vtohs(x)
1065 /* otherwise default to functions in util.c */
1069 #define U_S(what) ((U16)(what))
1070 #define U_I(what) ((unsigned int)(what))
1071 #define U_L(what) ((U32)(what))
1076 U32 cast_ulong _((double));
1080 #define U_S(what) ((U16)cast_ulong((double)(what)))
1081 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1082 #define U_L(what) (cast_ulong((double)(what)))
1086 #define I_32(what) ((I32)(what))
1087 #define I_V(what) ((IV)(what))
1088 #define U_V(what) ((UV)(what))
1093 I32 cast_i32 _((double));
1094 IV cast_iv _((double));
1095 UV cast_uv _((double));
1099 #define I_32(what) (cast_i32((double)(what)))
1100 #define I_V(what) (cast_iv((double)(what)))
1101 #define U_V(what) (cast_uv((double)(what)))
1115 # define TMPPATH "/tmp/perl-eXXXXXX"
1119 Uid_t getuid _((void));
1120 Uid_t geteuid _((void));
1121 Gid_t getgid _((void));
1122 Gid_t getegid _((void));
1126 #ifndef Perl_debug_log
1127 #define Perl_debug_log PerlIO_stderr()
1131 #define DEBUG(a) if (debug) a
1132 #define DEBUG_p(a) if (debug & 1) a
1133 #define DEBUG_s(a) if (debug & 2) a
1134 #define DEBUG_l(a) if (debug & 4) a
1135 #define DEBUG_t(a) if (debug & 8) a
1136 #define DEBUG_o(a) if (debug & 16) a
1137 #define DEBUG_c(a) if (debug & 32) a
1138 #define DEBUG_P(a) if (debug & 64) a
1139 #define DEBUG_m(a) if (curinterp && debug & 128) a
1140 #define DEBUG_f(a) if (debug & 256) a
1141 #define DEBUG_r(a) if (debug & 512) a
1142 #define DEBUG_x(a) if (debug & 1024) a
1143 #define DEBUG_u(a) if (debug & 2048) a
1144 #define DEBUG_L(a) if (debug & 4096) a
1145 #define DEBUG_H(a) if (debug & 8192) a
1146 #define DEBUG_X(a) if (debug & 16384) a
1147 #define DEBUG_D(a) if (debug & 32768) a
1168 #define YYMAXDEPTH 300
1170 #ifndef assert /* <assert.h> might have been included somehow */
1171 #define assert(what) DEB( { \
1173 croak("Assertion failed: file \"%s\", line %d", \
1174 __FILE__, __LINE__); \
1180 I32 (*uf_val)_((IV, SV*));
1181 I32 (*uf_set)_((IV, SV*));
1185 /* Fix these up for __STDC__ */
1186 #ifndef DONT_DECLARE_STD
1187 char *mktemp _((char*));
1188 double atof _((const char*));
1192 /* All of these are in stdlib.h or time.h for ANSI C */
1194 struct tm *gmtime(), *localtime();
1195 char *strchr(), *strrchr();
1196 char *strcpy(), *strcat();
1197 #endif /* ! STANDARD_C */
1206 double exp _((double));
1207 double log _((double));
1208 double sqrt _((double));
1209 double modf _((double,double*));
1210 double sin _((double));
1211 double cos _((double));
1212 double atan2 _((double,double));
1213 double pow _((double,double));
1220 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1221 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1223 char *crypt _((const char*, const char*));
1225 #ifndef DONT_DECLARE_STD
1227 char *getenv _((const char*));
1229 Off_t lseek _((int,Off_t,int));
1231 char *getlogin _((void));
1234 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1235 #define UNLINK unlnk
1236 I32 unlnk _((char*));
1238 #define UNLINK unlink
1241 #ifndef HAS_SETREUID
1242 # ifdef HAS_SETRESUID
1243 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1244 # define HAS_SETREUID
1247 #ifndef HAS_SETREGID
1248 # ifdef HAS_SETRESGID
1249 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1250 # define HAS_SETREGID
1254 typedef Signal_t (*Sighandler_t) _((int));
1256 #ifdef HAS_SIGACTION
1257 typedef struct sigaction Sigsave_t;
1259 typedef Sighandler_t Sigsave_t;
1271 # ifndef DEBUGGING_MSTATS
1272 # define DEBUGGING_MSTATS
1275 # define PAD_SV(po) pad_sv(po)
1277 # define PAD_SV(po) curpad[po]
1285 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1286 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1287 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1288 #ifndef DONT_DECLARE_STD
1289 extern char ** environ; /* environment variables supplied via exec */
1292 # if defined(NeXT) && defined(__DYNAMIC__)
1294 # include <mach-o/dyld.h>
1295 EXT char *** environ_pointer;
1296 # define environ (*environ_pointer)
1298 #endif /* environ processing */
1300 EXT int uid; /* current real user id */
1301 EXT int euid; /* current effective user id */
1302 EXT int gid; /* current real group id */
1303 EXT int egid; /* current effective group id */
1304 EXT bool nomemok; /* let malloc context handle nomem */
1305 EXT U32 an; /* malloc sequence number */
1306 EXT U32 cop_seqmax; /* statement sequence number */
1307 EXT U16 op_seqmax; /* op sequence number */
1308 EXT U32 evalseq; /* eval sequence number */
1309 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1310 EXT char ** origenviron;
1312 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1313 EXT U32 * profiledata;
1314 EXT int maxo INIT(MAXO);/* Number of ops */
1315 EXT char * osname; /* operating system */
1316 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1318 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1319 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1320 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1321 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1322 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1323 EXT HE * he_root; /* free he list--shared by interpreters */
1324 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1325 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1327 /* Stack for currently executing thread--context switch must handle this. */
1328 EXT SV ** stack_base; /* stack->array_ary */
1329 EXT SV ** stack_sp; /* stack pointer now */
1330 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1332 /* likewise for these */
1334 EXT OP * op; /* current op--oughta be in a global register */
1336 EXT I32 * scopestack; /* blocks we've entered */
1337 EXT I32 scopestack_ix;
1338 EXT I32 scopestack_max;
1340 EXT ANY* savestack; /* to save non-local values on */
1341 EXT I32 savestack_ix;
1342 EXT I32 savestack_max;
1344 EXT OP ** retstack; /* returns we've pushed */
1345 EXT I32 retstack_ix;
1346 EXT I32 retstack_max;
1348 EXT I32 * markstack; /* stackmarks we're remembering */
1349 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1350 EXT I32 * markstack_max; /* stackmarks we're remembering */
1357 EXT char buf[2048]; /* should be longer than PATH_MAX */
1358 EXT char tokenbuf[256];
1359 EXT struct stat statbuf;
1361 EXT struct tms timesbuf;
1363 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1365 /* for tmp use in stupid debuggers */
1370 /* handy constants */
1371 EXTCONST char * Yes INIT("1");
1372 EXTCONST char * No INIT("");
1373 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1374 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1375 EXTCONST char * vert INIT("|");
1377 EXTCONST char warn_uninit[]
1378 INIT("Use of uninitialized value");
1379 EXTCONST char warn_nosemi[]
1380 INIT("Semicolon seems to be missing");
1381 EXTCONST char warn_reserved[]
1382 INIT("Unquoted string \"%s\" may clash with future reserved word");
1383 EXTCONST char warn_nl[]
1384 INIT("Unsuccessful %s on filename containing newline");
1385 EXTCONST char no_wrongref[]
1386 INIT("Can't use %s ref as %s ref");
1387 EXTCONST char no_symref[]
1388 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1389 EXTCONST char no_usym[]
1390 INIT("Can't use an undefined value as %s reference");
1391 EXTCONST char no_aelem[]
1392 INIT("Modification of non-creatable array value attempted, subscript %d");
1393 EXTCONST char no_helem[]
1394 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1395 EXTCONST char no_modify[]
1396 INIT("Modification of a read-only value attempted");
1397 EXTCONST char no_mem[]
1398 INIT("Out of memory!\n");
1399 EXTCONST char no_security[]
1400 INIT("Insecure dependency in %s%s");
1401 EXTCONST char no_sock_func[]
1402 INIT("Unsupported socket function \"%s\" called");
1403 EXTCONST char no_dir_func[]
1404 INIT("Unsupported directory function \"%s\" called");
1405 EXTCONST char no_func[]
1406 INIT("The %s function is unimplemented");
1407 EXTCONST char no_myglob[]
1408 INIT("\"my\" variable %s can't be in a package");
1414 EXT char * cshname INIT(CSH);
1419 EXT char *sig_name[] = { SIG_NAME };
1420 EXT int sig_num[] = { SIG_NUM };
1421 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1422 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1424 EXT char *sig_name[];
1426 EXT SV * psig_ptr[];
1427 EXT SV * psig_name[];
1430 /* fast case folding tables */
1433 EXTCONST unsigned char fold[] = {
1434 0, 1, 2, 3, 4, 5, 6, 7,
1435 8, 9, 10, 11, 12, 13, 14, 15,
1436 16, 17, 18, 19, 20, 21, 22, 23,
1437 24, 25, 26, 27, 28, 29, 30, 31,
1438 32, 33, 34, 35, 36, 37, 38, 39,
1439 40, 41, 42, 43, 44, 45, 46, 47,
1440 48, 49, 50, 51, 52, 53, 54, 55,
1441 56, 57, 58, 59, 60, 61, 62, 63,
1442 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1443 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1444 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1445 'x', 'y', 'z', 91, 92, 93, 94, 95,
1446 96, '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', 123, 124, 125, 126, 127,
1450 128, 129, 130, 131, 132, 133, 134, 135,
1451 136, 137, 138, 139, 140, 141, 142, 143,
1452 144, 145, 146, 147, 148, 149, 150, 151,
1453 152, 153, 154, 155, 156, 157, 158, 159,
1454 160, 161, 162, 163, 164, 165, 166, 167,
1455 168, 169, 170, 171, 172, 173, 174, 175,
1456 176, 177, 178, 179, 180, 181, 182, 183,
1457 184, 185, 186, 187, 188, 189, 190, 191,
1458 192, 193, 194, 195, 196, 197, 198, 199,
1459 200, 201, 202, 203, 204, 205, 206, 207,
1460 208, 209, 210, 211, 212, 213, 214, 215,
1461 216, 217, 218, 219, 220, 221, 222, 223,
1462 224, 225, 226, 227, 228, 229, 230, 231,
1463 232, 233, 234, 235, 236, 237, 238, 239,
1464 240, 241, 242, 243, 244, 245, 246, 247,
1465 248, 249, 250, 251, 252, 253, 254, 255
1468 EXTCONST unsigned char fold[];
1472 EXT unsigned char fold_locale[] = {
1473 0, 1, 2, 3, 4, 5, 6, 7,
1474 8, 9, 10, 11, 12, 13, 14, 15,
1475 16, 17, 18, 19, 20, 21, 22, 23,
1476 24, 25, 26, 27, 28, 29, 30, 31,
1477 32, 33, 34, 35, 36, 37, 38, 39,
1478 40, 41, 42, 43, 44, 45, 46, 47,
1479 48, 49, 50, 51, 52, 53, 54, 55,
1480 56, 57, 58, 59, 60, 61, 62, 63,
1481 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1482 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1483 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1484 'x', 'y', 'z', 91, 92, 93, 94, 95,
1485 96, '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', 123, 124, 125, 126, 127,
1489 128, 129, 130, 131, 132, 133, 134, 135,
1490 136, 137, 138, 139, 140, 141, 142, 143,
1491 144, 145, 146, 147, 148, 149, 150, 151,
1492 152, 153, 154, 155, 156, 157, 158, 159,
1493 160, 161, 162, 163, 164, 165, 166, 167,
1494 168, 169, 170, 171, 172, 173, 174, 175,
1495 176, 177, 178, 179, 180, 181, 182, 183,
1496 184, 185, 186, 187, 188, 189, 190, 191,
1497 192, 193, 194, 195, 196, 197, 198, 199,
1498 200, 201, 202, 203, 204, 205, 206, 207,
1499 208, 209, 210, 211, 212, 213, 214, 215,
1500 216, 217, 218, 219, 220, 221, 222, 223,
1501 224, 225, 226, 227, 228, 229, 230, 231,
1502 232, 233, 234, 235, 236, 237, 238, 239,
1503 240, 241, 242, 243, 244, 245, 246, 247,
1504 248, 249, 250, 251, 252, 253, 254, 255
1507 EXT unsigned char fold_locale[];
1511 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1512 1, 2, 84, 151, 154, 155, 156, 157,
1513 165, 246, 250, 3, 158, 7, 18, 29,
1514 40, 51, 62, 73, 85, 96, 107, 118,
1515 129, 140, 147, 148, 149, 150, 152, 153,
1516 255, 182, 224, 205, 174, 176, 180, 217,
1517 233, 232, 236, 187, 235, 228, 234, 226,
1518 222, 219, 211, 195, 188, 193, 185, 184,
1519 191, 183, 201, 229, 181, 220, 194, 162,
1520 163, 208, 186, 202, 200, 218, 198, 179,
1521 178, 214, 166, 170, 207, 199, 209, 206,
1522 204, 160, 212, 216, 215, 192, 175, 173,
1523 243, 172, 161, 190, 203, 189, 164, 230,
1524 167, 248, 227, 244, 242, 255, 241, 231,
1525 240, 253, 169, 210, 245, 237, 249, 247,
1526 239, 168, 252, 251, 254, 238, 223, 221,
1527 213, 225, 177, 197, 171, 196, 159, 4,
1528 5, 6, 8, 9, 10, 11, 12, 13,
1529 14, 15, 16, 17, 19, 20, 21, 22,
1530 23, 24, 25, 26, 27, 28, 30, 31,
1531 32, 33, 34, 35, 36, 37, 38, 39,
1532 41, 42, 43, 44, 45, 46, 47, 48,
1533 49, 50, 52, 53, 54, 55, 56, 57,
1534 58, 59, 60, 61, 63, 64, 65, 66,
1535 67, 68, 69, 70, 71, 72, 74, 75,
1536 76, 77, 78, 79, 80, 81, 82, 83,
1537 86, 87, 88, 89, 90, 91, 92, 93,
1538 94, 95, 97, 98, 99, 100, 101, 102,
1539 103, 104, 105, 106, 108, 109, 110, 111,
1540 112, 113, 114, 115, 116, 117, 119, 120,
1541 121, 122, 123, 124, 125, 126, 127, 128,
1542 130, 131, 132, 133, 134, 135, 136, 137,
1543 138, 139, 141, 142, 143, 144, 145, 146
1546 EXTCONST unsigned char freq[];
1551 EXTCONST char* block_type[] = {
1560 EXTCONST char* block_type[];
1564 /*****************************************************************************/
1565 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1566 /*****************************************************************************/
1567 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1580 EXT U32 lex_state; /* next token is determined */
1581 EXT U32 lex_defer; /* state after determined token */
1582 EXT expectation lex_expect; /* expect after determined token */
1583 EXT I32 lex_brackets; /* bracket count */
1584 EXT I32 lex_formbrack; /* bracket count at outer format level */
1585 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1586 EXT I32 lex_casemods; /* casemod count */
1587 EXT I32 lex_dojoin; /* doing an array interpolation */
1588 EXT I32 lex_starts; /* how many interps done on level */
1589 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1590 EXT SV * lex_repl; /* runtime replacement from s/// */
1591 EXT OP * lex_op; /* extra info to pass back on op */
1592 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1593 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1594 EXT char * lex_brackstack; /* what kind of brackets to pop */
1595 EXT char * lex_casestack; /* what kind of case mods in effect */
1597 /* What we know when we're in LEX_KNOWNEXT state. */
1598 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1599 EXT I32 nexttype[5]; /* type of next token */
1602 EXT PerlIO * VOL rsfp INIT(Nullfp);
1605 EXT char * oldbufptr;
1606 EXT char * oldoldbufptr;
1608 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1609 EXT AV * rsfp_filters;
1611 EXT I32 multi_start; /* 1st line of multi-line string */
1612 EXT I32 multi_end; /* last line of multi-line string */
1613 EXT I32 multi_open; /* delimiter of said string */
1614 EXT I32 multi_close; /* delimiter of said string */
1617 EXT I32 error_count; /* how many errors so far, max 10 */
1618 EXT I32 subline; /* line this subroutine began on */
1619 EXT SV * subname; /* name of current subroutine */
1621 EXT CV * compcv; /* currently compiling subroutine */
1622 EXT AV * comppad; /* storage for lexically scoped temporaries */
1623 EXT AV * comppad_name; /* variable names for "my" variables */
1624 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1625 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1626 EXT I32 min_intro_pending;/* start of vars to introduce */
1627 EXT I32 max_intro_pending;/* end of vars to introduce */
1628 EXT I32 padix; /* max used index in current "register" pad */
1629 EXT I32 padix_floor; /* how low may inner block reset padix */
1630 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1633 EXT I32 thisexpr; /* name id for nothing_in_common() */
1634 EXT char * last_uni; /* position of last named-unary operator */
1635 EXT char * last_lop; /* position of last list operator */
1636 EXT OPCODE last_lop_op; /* last list operator */
1637 EXT bool in_my; /* we're compiling a "my" declaration */
1639 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1642 EXT U32 hints; /* various compilation flags */
1644 /* Note: the lowest 8 bits are reserved for
1645 stuffing into op->op_private */
1646 #define HINT_INTEGER 0x00000001
1647 #define HINT_STRICT_REFS 0x00000002
1649 #define HINT_BLOCK_SCOPE 0x00000100
1650 #define HINT_STRICT_SUBS 0x00000200
1651 #define HINT_STRICT_VARS 0x00000400
1652 #define HINT_LOCALE 0x00000800
1654 /**************************************************************************/
1655 /* This regexp stuff is global since it always happens within 1 expr eval */
1656 /**************************************************************************/
1658 EXT char * regprecomp; /* uncompiled string. */
1659 EXT char * regparse; /* Input-scan pointer. */
1660 EXT char * regxend; /* End of input for compile */
1661 EXT I32 regnpar; /* () count. */
1662 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1663 EXT I32 regsize; /* Code size. */
1664 EXT I32 regnaughty; /* How bad is this pattern? */
1665 EXT I32 regsawback; /* Did we see \1, ...? */
1667 EXT char * reginput; /* String-input pointer. */
1668 EXT char * regbol; /* Beginning of input, for ^ check. */
1669 EXT char * regeol; /* End of input, for $ check. */
1670 EXT char ** regstartp; /* Pointer to startp array. */
1671 EXT char ** regendp; /* Ditto for endp. */
1672 EXT U32 * reglastparen; /* Similarly for lastparen. */
1673 EXT char * regtill; /* How far we are required to go. */
1674 EXT U16 regflags; /* are we folding, multilining? */
1675 EXT char regprev; /* char before regbol, \n if none */
1677 EXT bool do_undump; /* -u or dump seen? */
1680 /***********************************************/
1681 /* Global only to current interpreter instance */
1682 /***********************************************/
1687 struct interpreter {
1690 #define IINIT(x) INIT(x)
1693 /* pseudo environmental stuff */
1695 IEXT char ** Iorigargv;
1699 IEXT char * Iorigfilename;
1701 IEXT SV * Iwarnhook;
1702 IEXT SV * Iparsehook;
1704 /* Various states of an input record separator SV (rs, nrs) */
1705 #define RsSNARF(sv) (! SvOK(sv))
1706 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1707 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1712 IEXT char Ipatchlevel[10];
1713 IEXT char ** Ilocalpatches;
1715 IEXT char * Isplitstr IINIT(" ");
1716 IEXT bool Ipreprocess;
1722 IEXT bool Idoswitches;
1724 IEXT bool Idoextract;
1725 IEXT bool Isawampersand; /* must save all match strings */
1726 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1729 IEXT char * Iinplace;
1730 IEXT char * Ie_tmpname;
1731 IEXT PerlIO * Ie_fp;
1733 /* This value may be raised by extensions for testing purposes */
1734 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1736 /* magical thingies */
1737 IEXT Time_t Ibasetime; /* $^T */
1738 IEXT SV * Iformfeed; /* $^L */
1739 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1740 IEXT SV * Irs; /* $/ */
1741 IEXT char * Iofs; /* $, */
1742 IEXT STRLEN Iofslen;
1743 IEXT char * Iors; /* $\ */
1744 IEXT STRLEN Iorslen;
1745 IEXT char * Iofmt; /* $# */
1746 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1747 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1748 IEXT I32 Istatusvalue; /* $? */
1750 IEXT U32 Istatusvalue_vms;
1753 IEXT struct stat Istatcache; /* _ */
1755 IEXT SV * Istatname IINIT(Nullsv);
1757 /* shortcuts to various I/O objects */
1759 IEXT GV * Ilast_in_gv;
1762 IEXT GV * Idefoutgv;
1763 IEXT GV * Iargvoutgv;
1765 /* shortcuts to regexp stuff */
1769 IEXT PMOP * Icurpm; /* what to do \ interps from */
1770 IEXT I32 * Iscreamfirst;
1771 IEXT I32 * Iscreamnext;
1772 IEXT I32 Imaxscream IINIT(-1);
1773 IEXT SV * Ilastscream;
1775 /* shortcuts to misc objects */
1778 /* shortcuts to debugging objects */
1782 IEXT SV * IDBsingle;
1784 IEXT SV * IDBsignal;
1785 IEXT AV * Ilineary; /* lines of script for debugger */
1786 IEXT AV * Idbargs; /* args to call listed by caller function */
1789 IEXT HV * Idefstash; /* main symbol table */
1790 IEXT HV * Icurstash; /* symbol table for current package */
1791 IEXT HV * Idebstash; /* symbol table for perldb package */
1792 IEXT SV * Icurstname; /* name of current package */
1793 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1794 IEXT AV * Iendav; /* names of END subroutines */
1795 IEXT HV * Istrtab; /* shared string table */
1797 /* memory management */
1798 IEXT SV ** Itmps_stack;
1799 IEXT I32 Itmps_ix IINIT(-1);
1800 IEXT I32 Itmps_floor IINIT(-1);
1802 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1803 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1804 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1805 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1807 /* funky return mechanisms */
1808 IEXT I32 Ilastspbase;
1810 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1812 /* subprocess state */
1813 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1815 /* internal state */
1816 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1817 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1818 IEXT int Idelaymagic; /* ($<,$>) = ... */
1819 IEXT bool Idirty; /* In the middle of tearing things down? */
1820 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1821 IEXT bool Itainted; /* using variables controlled by $< */
1822 IEXT bool Itainting; /* doing taint checks */
1823 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1827 IEXT I32 Idlmax IINIT(128);
1828 IEXT char * Idebname;
1829 IEXT char * Idebdelim;
1831 /* current interpreter roots */
1833 IEXT OP * Imain_root;
1834 IEXT OP * Imain_start;
1835 IEXT OP * Ieval_root;
1836 IEXT OP * Ieval_start;
1838 /* runtime control stuff */
1839 IEXT COP * VOL Icurcop IINIT(&compiling);
1840 IEXT COP * Icurcopdb IINIT(NULL);
1841 IEXT line_t Icopline IINIT(NOLINE);
1842 IEXT CONTEXT * Icxstack;
1843 IEXT I32 Icxstack_ix IINIT(-1);
1844 IEXT I32 Icxstack_max IINIT(128);
1845 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1846 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1850 IEXT AV * Icurstack; /* THE STACK */
1851 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1852 IEXT SV ** Imystack_base; /* stack->array_ary */
1853 IEXT SV ** Imystack_sp; /* stack pointer now */
1854 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1856 /* format accumulators */
1857 IEXT SV * Iformtarget;
1858 IEXT SV * Ibodytarget;
1859 IEXT SV * Itoptarget;
1861 /* statics moved here for shared library purposes */
1862 IEXT SV Istrchop; /* return value from chop */
1863 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1864 IEXT int Ilastfd; /* what to preserve mode on */
1865 IEXT char * Ioldname; /* what to preserve mode on */
1866 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1867 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1868 IEXT OP * Isortcop; /* user defined sort routine */
1869 IEXT HV * Isortstash; /* which is in some package or other */
1870 IEXT GV * Ifirstgv; /* $a */
1871 IEXT GV * Isecondgv; /* $b */
1872 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1873 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1874 IEXT SV * Imystrk; /* temp key string for do_each() */
1875 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1876 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1877 IEXT I32 Igensym; /* next symbol for getsym() to define */
1878 IEXT bool Ipreambled;
1879 IEXT AV * Ipreambleav;
1880 IEXT int Ilaststatval IINIT(-1);
1881 IEXT I32 Ilaststype IINIT(OP_STAT);
1889 struct interpreter {
1903 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1904 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1906 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1907 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1914 /* The following must follow proto.h */
1918 EXT MGVTBL vtbl_sv = {magic_get,
1922 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1923 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1926 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1927 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1931 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1933 EXT MGVTBL vtbl_packelem = {magic_getpack,
1937 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1939 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1941 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1943 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1946 EXT MGVTBL vtbl_glob = {magic_getglob,
1949 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1951 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1953 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1955 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1957 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1959 EXT MGVTBL vtbl_pos = {magic_getpos,
1962 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1964 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1966 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1969 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
1970 0, 0, magic_freedefelem};
1972 #ifdef USE_LOCALE_COLLATE
1973 EXT MGVTBL vtbl_collxfrm = {0,
1979 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1980 0, 0, magic_setamagic};
1981 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1982 0, 0, magic_setamagic};
1983 #endif /* OVERLOAD */
1988 EXT MGVTBL vtbl_env;
1989 EXT MGVTBL vtbl_envelem;
1990 EXT MGVTBL vtbl_sig;
1991 EXT MGVTBL vtbl_sigelem;
1992 EXT MGVTBL vtbl_pack;
1993 EXT MGVTBL vtbl_packelem;
1994 EXT MGVTBL vtbl_dbline;
1995 EXT MGVTBL vtbl_isa;
1996 EXT MGVTBL vtbl_isaelem;
1997 EXT MGVTBL vtbl_arylen;
1998 EXT MGVTBL vtbl_glob;
1999 EXT MGVTBL vtbl_mglob;
2000 EXT MGVTBL vtbl_nkeys;
2001 EXT MGVTBL vtbl_taint;
2002 EXT MGVTBL vtbl_substr;
2003 EXT MGVTBL vtbl_vec;
2004 EXT MGVTBL vtbl_pos;
2007 EXT MGVTBL vtbl_uvar;
2008 EXT MGVTBL vtbl_defelem;
2010 #ifdef USE_LOCALE_COLLATE
2011 EXT MGVTBL vtbl_collxfrm;
2015 EXT MGVTBL vtbl_amagic;
2016 EXT MGVTBL vtbl_amagicelem;
2017 #endif /* OVERLOAD */
2019 #endif /* !DOINIT */
2023 EXT long amagic_generation;
2025 #define NofAMmeth 58
2027 EXTCONST char * AMG_names[NofAMmeth] = {
2028 "fallback", "abs", /* "fallback" should be the first. */
2059 EXTCONST char * AMG_names[NofAMmeth];
2060 #endif /* def INITAMAGIC */
2066 CV* table[NofAMmeth];
2069 struct am_table_short {
2074 typedef struct am_table AMT;
2075 typedef struct am_table_short AMTS;
2077 #define AMGfallNEVER 1
2079 #define AMGfallYES 3
2081 #define AMTf_AMAGIC 1
2082 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2083 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2084 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2087 fallback_amg, abs_amg,
2088 bool__amg, nomethod_amg,
2089 string_amg, numer_amg,
2090 add_amg, add_ass_amg,
2091 subtr_amg, subtr_ass_amg,
2092 mult_amg, mult_ass_amg,
2093 div_amg, div_ass_amg,
2094 mod_amg, mod_ass_amg,
2095 pow_amg, pow_ass_amg,
2096 lshift_amg, lshift_ass_amg,
2097 rshift_amg, rshift_ass_amg,
2098 band_amg, band_ass_amg,
2099 bor_amg, bor_ass_amg,
2100 bxor_amg, bxor_ass_amg,
2113 repeat_amg, repeat_ass_amg,
2114 concat_amg, concat_ass_amg,
2119 * some compilers like to redefine cos et alia as faster
2120 * (and less accurate?) versions called F_cos et cetera (Quidquid
2121 * latine dictum sit, altum viditur.) This trick collides with
2122 * the Perl overloading (amg). The following #defines fool both.
2127 # define F_atan2_amg atan2_amg
2130 # define F_cos_amg cos_amg
2133 # define F_exp_amg exp_amg
2136 # define F_log_amg log_amg
2139 # define F_pow_amg pow_amg
2142 # define F_sin_amg sin_amg
2145 # define F_sqrt_amg sqrt_amg
2147 #endif /* _FASTMATH */
2149 #endif /* OVERLOAD */
2151 #ifdef USE_LOCALE_COLLATE
2152 EXT U32 collation_ix; /* Collation generation index */
2153 EXT char * collation_name; /* Name of current collation */
2154 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2155 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2156 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2157 #endif /* USE_LOCALE_COLLATE */
2159 #ifdef USE_LOCALE_NUMERIC
2161 EXT char * numeric_name; /* Name of current numeric locale */
2162 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2163 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2165 #define SET_NUMERIC_STANDARD() \
2167 if (! numeric_standard) \
2168 perl_set_numeric_standard(); \
2171 #define SET_NUMERIC_LOCAL() \
2173 if (! numeric_local) \
2174 perl_set_numeric_local(); \
2177 #else /* !USE_LOCALE_NUMERIC */
2179 #define SET_NUMERIC_STANDARD() /**/
2180 #define SET_NUMERIC_LOCAL() /**/
2182 #endif /* !USE_LOCALE_NUMERIC */
2184 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2186 * Now we have __attribute__ out of the way
2189 #define printf PerlIO_stdoutf
2192 #endif /* Include guard */