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) memset(d,0,l)
347 # define memzero(d,l) bzero(d,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 log10 _((double));
1214 double sqrt _((double));
1215 double frexp _((double,int*));
1216 double ldexp _((double,int));
1217 double modf _((double,double*));
1218 double sin _((double));
1219 double cos _((double));
1220 double atan2 _((double,double));
1221 double pow _((double,double));
1228 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1229 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1231 char *crypt _((const char*, const char*));
1233 #ifndef DONT_DECLARE_STD
1235 char *getenv _((const char*));
1237 Off_t lseek _((int,Off_t,int));
1239 char *getlogin _((void));
1242 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1243 #define UNLINK unlnk
1244 I32 unlnk _((char*));
1246 #define UNLINK unlink
1249 #ifndef HAS_SETREUID
1250 # ifdef HAS_SETRESUID
1251 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1252 # define HAS_SETREUID
1255 #ifndef HAS_SETREGID
1256 # ifdef HAS_SETRESGID
1257 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1258 # define HAS_SETREGID
1262 typedef Signal_t (*Sighandler_t) _((int));
1264 #ifdef HAS_SIGACTION
1265 typedef struct sigaction Sigsave_t;
1267 typedef Sighandler_t Sigsave_t;
1279 # ifndef DEBUGGING_MSTATS
1280 # define DEBUGGING_MSTATS
1283 # define PAD_SV(po) pad_sv(po)
1285 # define PAD_SV(po) curpad[po]
1293 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1294 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1295 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1296 #ifndef DONT_DECLARE_STD
1297 extern char ** environ; /* environment variables supplied via exec */
1300 # if defined(NeXT) && defined(__DYNAMIC__)
1302 # include <mach-o/dyld.h>
1303 EXT char *** environ_pointer;
1304 # define environ (*environ_pointer)
1306 #endif /* environ processing */
1308 EXT int uid; /* current real user id */
1309 EXT int euid; /* current effective user id */
1310 EXT int gid; /* current real group id */
1311 EXT int egid; /* current effective group id */
1312 EXT bool nomemok; /* let malloc context handle nomem */
1313 EXT U32 an; /* malloc sequence number */
1314 EXT U32 cop_seqmax; /* statement sequence number */
1315 EXT U16 op_seqmax; /* op sequence number */
1316 EXT U32 evalseq; /* eval sequence number */
1317 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1318 EXT char ** origenviron;
1320 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1321 EXT U32 * profiledata;
1322 EXT int maxo INIT(MAXO);/* Number of ops */
1323 EXT char * osname; /* operating system */
1324 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1326 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1327 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1328 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1329 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1330 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1331 EXT HE * he_root; /* free he list--shared by interpreters */
1332 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1333 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1335 /* Stack for currently executing thread--context switch must handle this. */
1336 EXT SV ** stack_base; /* stack->array_ary */
1337 EXT SV ** stack_sp; /* stack pointer now */
1338 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1340 /* likewise for these */
1342 EXT OP * op; /* current op--oughta be in a global register */
1344 EXT I32 * scopestack; /* blocks we've entered */
1345 EXT I32 scopestack_ix;
1346 EXT I32 scopestack_max;
1348 EXT ANY* savestack; /* to save non-local values on */
1349 EXT I32 savestack_ix;
1350 EXT I32 savestack_max;
1352 EXT OP ** retstack; /* returns we've pushed */
1353 EXT I32 retstack_ix;
1354 EXT I32 retstack_max;
1356 EXT I32 * markstack; /* stackmarks we're remembering */
1357 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1358 EXT I32 * markstack_max; /* stackmarks we're remembering */
1365 EXT char tokenbuf[256];
1366 EXT struct stat statbuf;
1368 EXT struct tms timesbuf;
1370 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1372 /* for tmp use in stupid debuggers */
1377 /* handy constants */
1378 EXTCONST char * Yes INIT("1");
1379 EXTCONST char * No INIT("");
1380 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1381 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1382 EXTCONST char * vert INIT("|");
1384 EXTCONST char warn_uninit[]
1385 INIT("Use of uninitialized value");
1386 EXTCONST char warn_nosemi[]
1387 INIT("Semicolon seems to be missing");
1388 EXTCONST char warn_reserved[]
1389 INIT("Unquoted string \"%s\" may clash with future reserved word");
1390 EXTCONST char warn_nl[]
1391 INIT("Unsuccessful %s on filename containing newline");
1392 EXTCONST char no_wrongref[]
1393 INIT("Can't use %s ref as %s ref");
1394 EXTCONST char no_symref[]
1395 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1396 EXTCONST char no_usym[]
1397 INIT("Can't use an undefined value as %s reference");
1398 EXTCONST char no_aelem[]
1399 INIT("Modification of non-creatable array value attempted, subscript %d");
1400 EXTCONST char no_helem[]
1401 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1402 EXTCONST char no_modify[]
1403 INIT("Modification of a read-only value attempted");
1404 EXTCONST char no_mem[]
1405 INIT("Out of memory!\n");
1406 EXTCONST char no_security[]
1407 INIT("Insecure dependency in %s%s");
1408 EXTCONST char no_sock_func[]
1409 INIT("Unsupported socket function \"%s\" called");
1410 EXTCONST char no_dir_func[]
1411 INIT("Unsupported directory function \"%s\" called");
1412 EXTCONST char no_func[]
1413 INIT("The %s function is unimplemented");
1414 EXTCONST char no_myglob[]
1415 INIT("\"my\" variable %s can't be in a package");
1421 EXT char * cshname INIT(CSH);
1426 EXT char *sig_name[] = { SIG_NAME };
1427 EXT int sig_num[] = { SIG_NUM };
1428 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1429 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1431 EXT char *sig_name[];
1433 EXT SV * psig_ptr[];
1434 EXT SV * psig_name[];
1437 /* fast case folding tables */
1440 EXTCONST unsigned char fold[] = {
1441 0, 1, 2, 3, 4, 5, 6, 7,
1442 8, 9, 10, 11, 12, 13, 14, 15,
1443 16, 17, 18, 19, 20, 21, 22, 23,
1444 24, 25, 26, 27, 28, 29, 30, 31,
1445 32, 33, 34, 35, 36, 37, 38, 39,
1446 40, 41, 42, 43, 44, 45, 46, 47,
1447 48, 49, 50, 51, 52, 53, 54, 55,
1448 56, 57, 58, 59, 60, 61, 62, 63,
1449 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1450 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1451 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1452 'x', 'y', 'z', 91, 92, 93, 94, 95,
1453 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1454 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1455 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1456 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1457 128, 129, 130, 131, 132, 133, 134, 135,
1458 136, 137, 138, 139, 140, 141, 142, 143,
1459 144, 145, 146, 147, 148, 149, 150, 151,
1460 152, 153, 154, 155, 156, 157, 158, 159,
1461 160, 161, 162, 163, 164, 165, 166, 167,
1462 168, 169, 170, 171, 172, 173, 174, 175,
1463 176, 177, 178, 179, 180, 181, 182, 183,
1464 184, 185, 186, 187, 188, 189, 190, 191,
1465 192, 193, 194, 195, 196, 197, 198, 199,
1466 200, 201, 202, 203, 204, 205, 206, 207,
1467 208, 209, 210, 211, 212, 213, 214, 215,
1468 216, 217, 218, 219, 220, 221, 222, 223,
1469 224, 225, 226, 227, 228, 229, 230, 231,
1470 232, 233, 234, 235, 236, 237, 238, 239,
1471 240, 241, 242, 243, 244, 245, 246, 247,
1472 248, 249, 250, 251, 252, 253, 254, 255
1475 EXTCONST unsigned char fold[];
1479 EXT unsigned char fold_locale[] = {
1480 0, 1, 2, 3, 4, 5, 6, 7,
1481 8, 9, 10, 11, 12, 13, 14, 15,
1482 16, 17, 18, 19, 20, 21, 22, 23,
1483 24, 25, 26, 27, 28, 29, 30, 31,
1484 32, 33, 34, 35, 36, 37, 38, 39,
1485 40, 41, 42, 43, 44, 45, 46, 47,
1486 48, 49, 50, 51, 52, 53, 54, 55,
1487 56, 57, 58, 59, 60, 61, 62, 63,
1488 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1489 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1490 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1491 'x', 'y', 'z', 91, 92, 93, 94, 95,
1492 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1493 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1494 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1495 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1496 128, 129, 130, 131, 132, 133, 134, 135,
1497 136, 137, 138, 139, 140, 141, 142, 143,
1498 144, 145, 146, 147, 148, 149, 150, 151,
1499 152, 153, 154, 155, 156, 157, 158, 159,
1500 160, 161, 162, 163, 164, 165, 166, 167,
1501 168, 169, 170, 171, 172, 173, 174, 175,
1502 176, 177, 178, 179, 180, 181, 182, 183,
1503 184, 185, 186, 187, 188, 189, 190, 191,
1504 192, 193, 194, 195, 196, 197, 198, 199,
1505 200, 201, 202, 203, 204, 205, 206, 207,
1506 208, 209, 210, 211, 212, 213, 214, 215,
1507 216, 217, 218, 219, 220, 221, 222, 223,
1508 224, 225, 226, 227, 228, 229, 230, 231,
1509 232, 233, 234, 235, 236, 237, 238, 239,
1510 240, 241, 242, 243, 244, 245, 246, 247,
1511 248, 249, 250, 251, 252, 253, 254, 255
1514 EXT unsigned char fold_locale[];
1518 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1519 1, 2, 84, 151, 154, 155, 156, 157,
1520 165, 246, 250, 3, 158, 7, 18, 29,
1521 40, 51, 62, 73, 85, 96, 107, 118,
1522 129, 140, 147, 148, 149, 150, 152, 153,
1523 255, 182, 224, 205, 174, 176, 180, 217,
1524 233, 232, 236, 187, 235, 228, 234, 226,
1525 222, 219, 211, 195, 188, 193, 185, 184,
1526 191, 183, 201, 229, 181, 220, 194, 162,
1527 163, 208, 186, 202, 200, 218, 198, 179,
1528 178, 214, 166, 170, 207, 199, 209, 206,
1529 204, 160, 212, 216, 215, 192, 175, 173,
1530 243, 172, 161, 190, 203, 189, 164, 230,
1531 167, 248, 227, 244, 242, 255, 241, 231,
1532 240, 253, 169, 210, 245, 237, 249, 247,
1533 239, 168, 252, 251, 254, 238, 223, 221,
1534 213, 225, 177, 197, 171, 196, 159, 4,
1535 5, 6, 8, 9, 10, 11, 12, 13,
1536 14, 15, 16, 17, 19, 20, 21, 22,
1537 23, 24, 25, 26, 27, 28, 30, 31,
1538 32, 33, 34, 35, 36, 37, 38, 39,
1539 41, 42, 43, 44, 45, 46, 47, 48,
1540 49, 50, 52, 53, 54, 55, 56, 57,
1541 58, 59, 60, 61, 63, 64, 65, 66,
1542 67, 68, 69, 70, 71, 72, 74, 75,
1543 76, 77, 78, 79, 80, 81, 82, 83,
1544 86, 87, 88, 89, 90, 91, 92, 93,
1545 94, 95, 97, 98, 99, 100, 101, 102,
1546 103, 104, 105, 106, 108, 109, 110, 111,
1547 112, 113, 114, 115, 116, 117, 119, 120,
1548 121, 122, 123, 124, 125, 126, 127, 128,
1549 130, 131, 132, 133, 134, 135, 136, 137,
1550 138, 139, 141, 142, 143, 144, 145, 146
1553 EXTCONST unsigned char freq[];
1558 EXTCONST char* block_type[] = {
1567 EXTCONST char* block_type[];
1571 /*****************************************************************************/
1572 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1573 /*****************************************************************************/
1574 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1587 EXT U32 lex_state; /* next token is determined */
1588 EXT U32 lex_defer; /* state after determined token */
1589 EXT expectation lex_expect; /* expect after determined token */
1590 EXT I32 lex_brackets; /* bracket count */
1591 EXT I32 lex_formbrack; /* bracket count at outer format level */
1592 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1593 EXT I32 lex_casemods; /* casemod count */
1594 EXT I32 lex_dojoin; /* doing an array interpolation */
1595 EXT I32 lex_starts; /* how many interps done on level */
1596 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1597 EXT SV * lex_repl; /* runtime replacement from s/// */
1598 EXT OP * lex_op; /* extra info to pass back on op */
1599 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1600 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1601 EXT char * lex_brackstack; /* what kind of brackets to pop */
1602 EXT char * lex_casestack; /* what kind of case mods in effect */
1604 /* What we know when we're in LEX_KNOWNEXT state. */
1605 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1606 EXT I32 nexttype[5]; /* type of next token */
1609 EXT PerlIO * VOL rsfp INIT(Nullfp);
1612 EXT char * oldbufptr;
1613 EXT char * oldoldbufptr;
1615 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1616 EXT AV * rsfp_filters;
1618 EXT I32 multi_start; /* 1st line of multi-line string */
1619 EXT I32 multi_end; /* last line of multi-line string */
1620 EXT I32 multi_open; /* delimiter of said string */
1621 EXT I32 multi_close; /* delimiter of said string */
1624 EXT I32 error_count; /* how many errors so far, max 10 */
1625 EXT I32 subline; /* line this subroutine began on */
1626 EXT SV * subname; /* name of current subroutine */
1628 EXT CV * compcv; /* currently compiling subroutine */
1629 EXT AV * comppad; /* storage for lexically scoped temporaries */
1630 EXT AV * comppad_name; /* variable names for "my" variables */
1631 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1632 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1633 EXT I32 min_intro_pending;/* start of vars to introduce */
1634 EXT I32 max_intro_pending;/* end of vars to introduce */
1635 EXT I32 padix; /* max used index in current "register" pad */
1636 EXT I32 padix_floor; /* how low may inner block reset padix */
1637 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1640 EXT I32 thisexpr; /* name id for nothing_in_common() */
1641 EXT char * last_uni; /* position of last named-unary operator */
1642 EXT char * last_lop; /* position of last list operator */
1643 EXT OPCODE last_lop_op; /* last list operator */
1644 EXT bool in_my; /* we're compiling a "my" declaration */
1646 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1649 EXT U32 hints; /* various compilation flags */
1651 /* Note: the lowest 8 bits are reserved for
1652 stuffing into op->op_private */
1653 #define HINT_INTEGER 0x00000001
1654 #define HINT_STRICT_REFS 0x00000002
1656 #define HINT_BLOCK_SCOPE 0x00000100
1657 #define HINT_STRICT_SUBS 0x00000200
1658 #define HINT_STRICT_VARS 0x00000400
1659 #define HINT_LOCALE 0x00000800
1661 /**************************************************************************/
1662 /* This regexp stuff is global since it always happens within 1 expr eval */
1663 /**************************************************************************/
1665 EXT char * regprecomp; /* uncompiled string. */
1666 EXT char * regparse; /* Input-scan pointer. */
1667 EXT char * regxend; /* End of input for compile */
1668 EXT I32 regnpar; /* () count. */
1669 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1670 EXT I32 regsize; /* Code size. */
1671 EXT I32 regnaughty; /* How bad is this pattern? */
1672 EXT I32 regsawback; /* Did we see \1, ...? */
1674 EXT char * reginput; /* String-input pointer. */
1675 EXT char * regbol; /* Beginning of input, for ^ check. */
1676 EXT char * regeol; /* End of input, for $ check. */
1677 EXT char ** regstartp; /* Pointer to startp array. */
1678 EXT char ** regendp; /* Ditto for endp. */
1679 EXT U32 * reglastparen; /* Similarly for lastparen. */
1680 EXT char * regtill; /* How far we are required to go. */
1681 EXT U16 regflags; /* are we folding, multilining? */
1682 EXT char regprev; /* char before regbol, \n if none */
1684 EXT bool do_undump; /* -u or dump seen? */
1687 /***********************************************/
1688 /* Global only to current interpreter instance */
1689 /***********************************************/
1694 struct interpreter {
1697 #define IINIT(x) INIT(x)
1700 /* pseudo environmental stuff */
1702 IEXT char ** Iorigargv;
1706 IEXT char * Iorigfilename;
1708 IEXT SV * Iwarnhook;
1709 IEXT SV * Iparsehook;
1711 /* Various states of an input record separator SV (rs, nrs) */
1712 #define RsSNARF(sv) (! SvOK(sv))
1713 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1714 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1719 IEXT char Ipatchlevel[10];
1720 IEXT char ** Ilocalpatches;
1722 IEXT char * Isplitstr IINIT(" ");
1723 IEXT bool Ipreprocess;
1729 IEXT bool Idoswitches;
1731 IEXT bool Idoextract;
1732 IEXT bool Isawampersand; /* must save all match strings */
1733 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1736 IEXT char * Iinplace;
1737 IEXT char * Ie_tmpname;
1738 IEXT PerlIO * Ie_fp;
1740 /* This value may be raised by extensions for testing purposes */
1741 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1743 /* magical thingies */
1744 IEXT Time_t Ibasetime; /* $^T */
1745 IEXT SV * Iformfeed; /* $^L */
1746 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1747 IEXT SV * Irs; /* $/ */
1748 IEXT char * Iofs; /* $, */
1749 IEXT STRLEN Iofslen;
1750 IEXT char * Iors; /* $\ */
1751 IEXT STRLEN Iorslen;
1752 IEXT char * Iofmt; /* $# */
1753 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1754 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1755 IEXT I32 Istatusvalue; /* $? */
1757 IEXT U32 Istatusvalue_vms;
1760 IEXT struct stat Istatcache; /* _ */
1762 IEXT SV * Istatname IINIT(Nullsv);
1764 /* shortcuts to various I/O objects */
1766 IEXT GV * Ilast_in_gv;
1769 IEXT GV * Idefoutgv;
1770 IEXT GV * Iargvoutgv;
1772 /* shortcuts to regexp stuff */
1776 IEXT PMOP * Icurpm; /* what to do \ interps from */
1777 IEXT I32 * Iscreamfirst;
1778 IEXT I32 * Iscreamnext;
1779 IEXT I32 Imaxscream IINIT(-1);
1780 IEXT SV * Ilastscream;
1782 /* shortcuts to misc objects */
1785 /* shortcuts to debugging objects */
1789 IEXT SV * IDBsingle;
1791 IEXT SV * IDBsignal;
1792 IEXT AV * Ilineary; /* lines of script for debugger */
1793 IEXT AV * Idbargs; /* args to call listed by caller function */
1796 IEXT HV * Idefstash; /* main symbol table */
1797 IEXT HV * Icurstash; /* symbol table for current package */
1798 IEXT HV * Idebstash; /* symbol table for perldb package */
1799 IEXT SV * Icurstname; /* name of current package */
1800 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1801 IEXT AV * Iendav; /* names of END subroutines */
1802 IEXT HV * Istrtab; /* shared string table */
1804 /* memory management */
1805 IEXT SV ** Itmps_stack;
1806 IEXT I32 Itmps_ix IINIT(-1);
1807 IEXT I32 Itmps_floor IINIT(-1);
1809 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1810 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1811 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1812 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1814 /* funky return mechanisms */
1815 IEXT I32 Ilastspbase;
1817 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1819 /* subprocess state */
1820 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1822 /* internal state */
1823 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1824 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1825 IEXT int Idelaymagic; /* ($<,$>) = ... */
1826 IEXT bool Idirty; /* In the middle of tearing things down? */
1827 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1828 IEXT bool Itainted; /* using variables controlled by $< */
1829 IEXT bool Itainting; /* doing taint checks */
1830 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1834 IEXT I32 Idlmax IINIT(128);
1835 IEXT char * Idebname;
1836 IEXT char * Idebdelim;
1838 /* current interpreter roots */
1840 IEXT OP * Imain_root;
1841 IEXT OP * Imain_start;
1842 IEXT OP * Ieval_root;
1843 IEXT OP * Ieval_start;
1845 /* runtime control stuff */
1846 IEXT COP * VOL Icurcop IINIT(&compiling);
1847 IEXT COP * Icurcopdb IINIT(NULL);
1848 IEXT line_t Icopline IINIT(NOLINE);
1849 IEXT CONTEXT * Icxstack;
1850 IEXT I32 Icxstack_ix IINIT(-1);
1851 IEXT I32 Icxstack_max IINIT(128);
1852 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1853 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1857 IEXT AV * Icurstack; /* THE STACK */
1858 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1859 IEXT SV ** Imystack_base; /* stack->array_ary */
1860 IEXT SV ** Imystack_sp; /* stack pointer now */
1861 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1863 /* format accumulators */
1864 IEXT SV * Iformtarget;
1865 IEXT SV * Ibodytarget;
1866 IEXT SV * Itoptarget;
1868 /* statics moved here for shared library purposes */
1869 IEXT SV Istrchop; /* return value from chop */
1870 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1871 IEXT int Ilastfd; /* what to preserve mode on */
1872 IEXT char * Ioldname; /* what to preserve mode on */
1873 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1874 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1875 IEXT OP * Isortcop; /* user defined sort routine */
1876 IEXT HV * Isortstash; /* which is in some package or other */
1877 IEXT GV * Ifirstgv; /* $a */
1878 IEXT GV * Isecondgv; /* $b */
1879 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1880 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1881 IEXT SV * Imystrk; /* temp key string for do_each() */
1882 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1883 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1884 IEXT I32 Igensym; /* next symbol for getsym() to define */
1885 IEXT bool Ipreambled;
1886 IEXT AV * Ipreambleav;
1887 IEXT int Ilaststatval IINIT(-1);
1888 IEXT I32 Ilaststype IINIT(OP_STAT);
1897 struct interpreter {
1911 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1912 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1914 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1915 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1922 /* The following must follow proto.h */
1926 EXT MGVTBL vtbl_sv = {magic_get,
1930 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1931 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1934 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1935 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1939 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1941 EXT MGVTBL vtbl_packelem = {magic_getpack,
1945 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1947 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1949 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1951 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1954 EXT MGVTBL vtbl_glob = {magic_getglob,
1957 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1959 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1961 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1963 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1965 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1967 EXT MGVTBL vtbl_pos = {magic_getpos,
1970 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1972 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1974 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1977 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
1978 0, 0, magic_freedefelem};
1980 #ifdef USE_LOCALE_COLLATE
1981 EXT MGVTBL vtbl_collxfrm = {0,
1987 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1988 0, 0, magic_setamagic};
1989 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1990 0, 0, magic_setamagic};
1991 #endif /* OVERLOAD */
1996 EXT MGVTBL vtbl_env;
1997 EXT MGVTBL vtbl_envelem;
1998 EXT MGVTBL vtbl_sig;
1999 EXT MGVTBL vtbl_sigelem;
2000 EXT MGVTBL vtbl_pack;
2001 EXT MGVTBL vtbl_packelem;
2002 EXT MGVTBL vtbl_dbline;
2003 EXT MGVTBL vtbl_isa;
2004 EXT MGVTBL vtbl_isaelem;
2005 EXT MGVTBL vtbl_arylen;
2006 EXT MGVTBL vtbl_glob;
2007 EXT MGVTBL vtbl_mglob;
2008 EXT MGVTBL vtbl_nkeys;
2009 EXT MGVTBL vtbl_taint;
2010 EXT MGVTBL vtbl_substr;
2011 EXT MGVTBL vtbl_vec;
2012 EXT MGVTBL vtbl_pos;
2015 EXT MGVTBL vtbl_uvar;
2016 EXT MGVTBL vtbl_defelem;
2018 #ifdef USE_LOCALE_COLLATE
2019 EXT MGVTBL vtbl_collxfrm;
2023 EXT MGVTBL vtbl_amagic;
2024 EXT MGVTBL vtbl_amagicelem;
2025 #endif /* OVERLOAD */
2027 #endif /* !DOINIT */
2031 EXT long amagic_generation;
2033 #define NofAMmeth 58
2035 EXTCONST char * AMG_names[NofAMmeth] = {
2036 "fallback", "abs", /* "fallback" should be the first. */
2067 EXTCONST char * AMG_names[NofAMmeth];
2068 #endif /* def INITAMAGIC */
2074 CV* table[NofAMmeth];
2077 struct am_table_short {
2082 typedef struct am_table AMT;
2083 typedef struct am_table_short AMTS;
2085 #define AMGfallNEVER 1
2087 #define AMGfallYES 3
2089 #define AMTf_AMAGIC 1
2090 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2091 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2092 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2095 fallback_amg, abs_amg,
2096 bool__amg, nomethod_amg,
2097 string_amg, numer_amg,
2098 add_amg, add_ass_amg,
2099 subtr_amg, subtr_ass_amg,
2100 mult_amg, mult_ass_amg,
2101 div_amg, div_ass_amg,
2102 mod_amg, mod_ass_amg,
2103 pow_amg, pow_ass_amg,
2104 lshift_amg, lshift_ass_amg,
2105 rshift_amg, rshift_ass_amg,
2106 band_amg, band_ass_amg,
2107 bor_amg, bor_ass_amg,
2108 bxor_amg, bxor_ass_amg,
2121 repeat_amg, repeat_ass_amg,
2122 concat_amg, concat_ass_amg,
2127 * some compilers like to redefine cos et alia as faster
2128 * (and less accurate?) versions called F_cos et cetera (Quidquid
2129 * latine dictum sit, altum viditur.) This trick collides with
2130 * the Perl overloading (amg). The following #defines fool both.
2135 # define F_atan2_amg atan2_amg
2138 # define F_cos_amg cos_amg
2141 # define F_exp_amg exp_amg
2144 # define F_log_amg log_amg
2147 # define F_pow_amg pow_amg
2150 # define F_sin_amg sin_amg
2153 # define F_sqrt_amg sqrt_amg
2155 #endif /* _FASTMATH */
2157 #endif /* OVERLOAD */
2159 #ifdef USE_LOCALE_COLLATE
2160 EXT U32 collation_ix; /* Collation generation index */
2161 EXT char * collation_name; /* Name of current collation */
2162 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2163 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2164 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2165 #endif /* USE_LOCALE_COLLATE */
2167 #ifdef USE_LOCALE_NUMERIC
2169 EXT char * numeric_name; /* Name of current numeric locale */
2170 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2171 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2173 #define SET_NUMERIC_STANDARD() \
2175 if (! numeric_standard) \
2176 perl_set_numeric_standard(); \
2179 #define SET_NUMERIC_LOCAL() \
2181 if (! numeric_local) \
2182 perl_set_numeric_local(); \
2185 #else /* !USE_LOCALE_NUMERIC */
2187 #define SET_NUMERIC_STANDARD() /**/
2188 #define SET_NUMERIC_LOCAL() /**/
2190 #endif /* !USE_LOCALE_NUMERIC */
2192 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2194 * Now we have __attribute__ out of the way
2197 #define printf PerlIO_stdoutf
2200 #endif /* Include guard */