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*));
1000 /* work around some libPW problems */
1005 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1009 #if defined(htonl) && !defined(HAS_HTONL)
1012 #if defined(htons) && !defined(HAS_HTONS)
1015 #if defined(ntohl) && !defined(HAS_NTOHL)
1018 #if defined(ntohs) && !defined(HAS_NTOHS)
1022 #if (BYTEORDER & 0xffff) != 0x4321
1028 #define htons my_swap
1029 #define htonl my_htonl
1030 #define ntohs my_swap
1031 #define ntohl my_ntohl
1034 #if (BYTEORDER & 0xffff) == 0x4321
1043 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1046 #if BYTEORDER != 0x1234
1051 # if BYTEORDER == 0x4321
1052 # define vtohl(x) ((((x)&0xFF)<<24) \
1054 +(((x)&0x0000FF00)<<8) \
1055 +(((x)&0x00FF0000)>>8) )
1056 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1057 # define htovl(x) vtohl(x)
1058 # define htovs(x) vtohs(x)
1060 /* otherwise default to functions in util.c */
1064 #define U_S(what) ((U16)(what))
1065 #define U_I(what) ((unsigned int)(what))
1066 #define U_L(what) ((U32)(what))
1071 U32 cast_ulong _((double));
1075 #define U_S(what) ((U16)cast_ulong((double)(what)))
1076 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1077 #define U_L(what) (cast_ulong((double)(what)))
1081 #define I_32(what) ((I32)(what))
1082 #define I_V(what) ((IV)(what))
1083 #define U_V(what) ((UV)(what))
1088 I32 cast_i32 _((double));
1089 IV cast_iv _((double));
1090 UV cast_uv _((double));
1094 #define I_32(what) (cast_i32((double)(what)))
1095 #define I_V(what) (cast_iv((double)(what)))
1096 #define U_V(what) (cast_uv((double)(what)))
1110 # define TMPPATH "/tmp/perl-eXXXXXX"
1114 Uid_t getuid _((void));
1115 Uid_t geteuid _((void));
1116 Gid_t getgid _((void));
1117 Gid_t getegid _((void));
1121 #ifndef Perl_debug_log
1122 #define Perl_debug_log PerlIO_stderr()
1126 #define DEBUG(a) if (debug) a
1127 #define DEBUG_p(a) if (debug & 1) a
1128 #define DEBUG_s(a) if (debug & 2) a
1129 #define DEBUG_l(a) if (debug & 4) a
1130 #define DEBUG_t(a) if (debug & 8) a
1131 #define DEBUG_o(a) if (debug & 16) a
1132 #define DEBUG_c(a) if (debug & 32) a
1133 #define DEBUG_P(a) if (debug & 64) a
1134 #define DEBUG_m(a) if (curinterp && debug & 128) a
1135 #define DEBUG_f(a) if (debug & 256) a
1136 #define DEBUG_r(a) if (debug & 512) a
1137 #define DEBUG_x(a) if (debug & 1024) a
1138 #define DEBUG_u(a) if (debug & 2048) a
1139 #define DEBUG_L(a) if (debug & 4096) a
1140 #define DEBUG_H(a) if (debug & 8192) a
1141 #define DEBUG_X(a) if (debug & 16384) a
1142 #define DEBUG_D(a) if (debug & 32768) a
1163 #define YYMAXDEPTH 300
1165 #ifndef assert /* <assert.h> might have been included somehow */
1166 #define assert(what) DEB( { \
1168 croak("Assertion failed: file \"%s\", line %d", \
1169 __FILE__, __LINE__); \
1175 I32 (*uf_val)_((IV, SV*));
1176 I32 (*uf_set)_((IV, SV*));
1180 /* Fix these up for __STDC__ */
1181 #ifndef DONT_DECLARE_STD
1182 char *mktemp _((char*));
1183 double atof _((const char*));
1187 /* All of these are in stdlib.h or time.h for ANSI C */
1189 struct tm *gmtime(), *localtime();
1190 char *strchr(), *strrchr();
1191 char *strcpy(), *strcat();
1192 #endif /* ! STANDARD_C */
1201 double exp _((double));
1202 double log _((double));
1203 double sqrt _((double));
1204 double modf _((double,double*));
1205 double sin _((double));
1206 double cos _((double));
1207 double atan2 _((double,double));
1208 double pow _((double,double));
1215 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1216 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1218 char *crypt _((const char*, const char*));
1220 #ifndef DONT_DECLARE_STD
1222 char *getenv _((const char*));
1224 Off_t lseek _((int,Off_t,int));
1226 char *getlogin _((void));
1229 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1230 #define UNLINK unlnk
1231 I32 unlnk _((char*));
1233 #define UNLINK unlink
1236 #ifndef HAS_SETREUID
1237 # ifdef HAS_SETRESUID
1238 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1239 # define HAS_SETREUID
1242 #ifndef HAS_SETREGID
1243 # ifdef HAS_SETRESGID
1244 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1245 # define HAS_SETREGID
1249 typedef Signal_t (*Sighandler_t) _((int));
1251 #ifdef HAS_SIGACTION
1252 typedef struct sigaction Sigsave_t;
1254 typedef Sighandler_t Sigsave_t;
1266 # ifndef DEBUGGING_MSTATS
1267 # define DEBUGGING_MSTATS
1270 # define PAD_SV(po) pad_sv(po)
1272 # define PAD_SV(po) curpad[po]
1280 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1281 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1282 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1283 #ifndef DONT_DECLARE_STD
1284 extern char ** environ; /* environment variables supplied via exec */
1287 # if defined(NeXT) && defined(__DYNAMIC__)
1289 # include <mach-o/dyld.h>
1290 EXT char *** environ_pointer;
1291 # define environ (*environ_pointer)
1293 #endif /* environ processing */
1295 EXT int uid; /* current real user id */
1296 EXT int euid; /* current effective user id */
1297 EXT int gid; /* current real group id */
1298 EXT int egid; /* current effective group id */
1299 EXT bool nomemok; /* let malloc context handle nomem */
1300 EXT U32 an; /* malloc sequence number */
1301 EXT U32 cop_seqmax; /* statement sequence number */
1302 EXT U16 op_seqmax; /* op sequence number */
1303 EXT U32 evalseq; /* eval sequence number */
1304 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1305 EXT char ** origenviron;
1307 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1308 EXT U32 * profiledata;
1309 EXT int maxo INIT(MAXO);/* Number of ops */
1310 EXT char * osname; /* operating system */
1311 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1313 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1314 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1315 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1316 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1317 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1318 EXT HE * he_root; /* free he list--shared by interpreters */
1319 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1320 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1322 /* Stack for currently executing thread--context switch must handle this. */
1323 EXT SV ** stack_base; /* stack->array_ary */
1324 EXT SV ** stack_sp; /* stack pointer now */
1325 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1327 /* likewise for these */
1329 EXT OP * op; /* current op--oughta be in a global register */
1331 EXT I32 * scopestack; /* blocks we've entered */
1332 EXT I32 scopestack_ix;
1333 EXT I32 scopestack_max;
1335 EXT ANY* savestack; /* to save non-local values on */
1336 EXT I32 savestack_ix;
1337 EXT I32 savestack_max;
1339 EXT OP ** retstack; /* returns we've pushed */
1340 EXT I32 retstack_ix;
1341 EXT I32 retstack_max;
1343 EXT I32 * markstack; /* stackmarks we're remembering */
1344 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1345 EXT I32 * markstack_max; /* stackmarks we're remembering */
1352 EXT char buf[2048]; /* should be longer than PATH_MAX */
1353 EXT char tokenbuf[256];
1354 EXT struct stat statbuf;
1356 EXT struct tms timesbuf;
1358 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1360 /* for tmp use in stupid debuggers */
1365 /* handy constants */
1366 EXTCONST char * Yes INIT("1");
1367 EXTCONST char * No INIT("");
1368 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1369 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1370 EXTCONST char * vert INIT("|");
1372 EXTCONST char warn_uninit[]
1373 INIT("Use of uninitialized value");
1374 EXTCONST char warn_nosemi[]
1375 INIT("Semicolon seems to be missing");
1376 EXTCONST char warn_reserved[]
1377 INIT("Unquoted string \"%s\" may clash with future reserved word");
1378 EXTCONST char warn_nl[]
1379 INIT("Unsuccessful %s on filename containing newline");
1380 EXTCONST char no_wrongref[]
1381 INIT("Can't use %s ref as %s ref");
1382 EXTCONST char no_symref[]
1383 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1384 EXTCONST char no_usym[]
1385 INIT("Can't use an undefined value as %s reference");
1386 EXTCONST char no_aelem[]
1387 INIT("Modification of non-creatable array value attempted, subscript %d");
1388 EXTCONST char no_helem[]
1389 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1390 EXTCONST char no_modify[]
1391 INIT("Modification of a read-only value attempted");
1392 EXTCONST char no_mem[]
1393 INIT("Out of memory!\n");
1394 EXTCONST char no_security[]
1395 INIT("Insecure dependency in %s%s");
1396 EXTCONST char no_sock_func[]
1397 INIT("Unsupported socket function \"%s\" called");
1398 EXTCONST char no_dir_func[]
1399 INIT("Unsupported directory function \"%s\" called");
1400 EXTCONST char no_func[]
1401 INIT("The %s function is unimplemented");
1402 EXTCONST char no_myglob[]
1403 INIT("\"my\" variable %s can't be in a package");
1409 EXT char * cshname INIT(CSH);
1414 EXT char *sig_name[] = { SIG_NAME };
1415 EXT int sig_num[] = { SIG_NUM };
1416 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1417 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1419 EXT char *sig_name[];
1421 EXT SV * psig_ptr[];
1422 EXT SV * psig_name[];
1425 /* fast case folding tables */
1428 EXTCONST unsigned char fold[] = {
1429 0, 1, 2, 3, 4, 5, 6, 7,
1430 8, 9, 10, 11, 12, 13, 14, 15,
1431 16, 17, 18, 19, 20, 21, 22, 23,
1432 24, 25, 26, 27, 28, 29, 30, 31,
1433 32, 33, 34, 35, 36, 37, 38, 39,
1434 40, 41, 42, 43, 44, 45, 46, 47,
1435 48, 49, 50, 51, 52, 53, 54, 55,
1436 56, 57, 58, 59, 60, 61, 62, 63,
1437 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1438 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1439 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1440 'x', 'y', 'z', 91, 92, 93, 94, 95,
1441 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1442 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1443 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1444 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1445 128, 129, 130, 131, 132, 133, 134, 135,
1446 136, 137, 138, 139, 140, 141, 142, 143,
1447 144, 145, 146, 147, 148, 149, 150, 151,
1448 152, 153, 154, 155, 156, 157, 158, 159,
1449 160, 161, 162, 163, 164, 165, 166, 167,
1450 168, 169, 170, 171, 172, 173, 174, 175,
1451 176, 177, 178, 179, 180, 181, 182, 183,
1452 184, 185, 186, 187, 188, 189, 190, 191,
1453 192, 193, 194, 195, 196, 197, 198, 199,
1454 200, 201, 202, 203, 204, 205, 206, 207,
1455 208, 209, 210, 211, 212, 213, 214, 215,
1456 216, 217, 218, 219, 220, 221, 222, 223,
1457 224, 225, 226, 227, 228, 229, 230, 231,
1458 232, 233, 234, 235, 236, 237, 238, 239,
1459 240, 241, 242, 243, 244, 245, 246, 247,
1460 248, 249, 250, 251, 252, 253, 254, 255
1463 EXTCONST unsigned char fold[];
1467 EXT unsigned char fold_locale[] = {
1468 0, 1, 2, 3, 4, 5, 6, 7,
1469 8, 9, 10, 11, 12, 13, 14, 15,
1470 16, 17, 18, 19, 20, 21, 22, 23,
1471 24, 25, 26, 27, 28, 29, 30, 31,
1472 32, 33, 34, 35, 36, 37, 38, 39,
1473 40, 41, 42, 43, 44, 45, 46, 47,
1474 48, 49, 50, 51, 52, 53, 54, 55,
1475 56, 57, 58, 59, 60, 61, 62, 63,
1476 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1477 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1478 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1479 'x', 'y', 'z', 91, 92, 93, 94, 95,
1480 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1481 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1482 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1483 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1484 128, 129, 130, 131, 132, 133, 134, 135,
1485 136, 137, 138, 139, 140, 141, 142, 143,
1486 144, 145, 146, 147, 148, 149, 150, 151,
1487 152, 153, 154, 155, 156, 157, 158, 159,
1488 160, 161, 162, 163, 164, 165, 166, 167,
1489 168, 169, 170, 171, 172, 173, 174, 175,
1490 176, 177, 178, 179, 180, 181, 182, 183,
1491 184, 185, 186, 187, 188, 189, 190, 191,
1492 192, 193, 194, 195, 196, 197, 198, 199,
1493 200, 201, 202, 203, 204, 205, 206, 207,
1494 208, 209, 210, 211, 212, 213, 214, 215,
1495 216, 217, 218, 219, 220, 221, 222, 223,
1496 224, 225, 226, 227, 228, 229, 230, 231,
1497 232, 233, 234, 235, 236, 237, 238, 239,
1498 240, 241, 242, 243, 244, 245, 246, 247,
1499 248, 249, 250, 251, 252, 253, 254, 255
1502 EXT unsigned char fold_locale[];
1506 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1507 1, 2, 84, 151, 154, 155, 156, 157,
1508 165, 246, 250, 3, 158, 7, 18, 29,
1509 40, 51, 62, 73, 85, 96, 107, 118,
1510 129, 140, 147, 148, 149, 150, 152, 153,
1511 255, 182, 224, 205, 174, 176, 180, 217,
1512 233, 232, 236, 187, 235, 228, 234, 226,
1513 222, 219, 211, 195, 188, 193, 185, 184,
1514 191, 183, 201, 229, 181, 220, 194, 162,
1515 163, 208, 186, 202, 200, 218, 198, 179,
1516 178, 214, 166, 170, 207, 199, 209, 206,
1517 204, 160, 212, 216, 215, 192, 175, 173,
1518 243, 172, 161, 190, 203, 189, 164, 230,
1519 167, 248, 227, 244, 242, 255, 241, 231,
1520 240, 253, 169, 210, 245, 237, 249, 247,
1521 239, 168, 252, 251, 254, 238, 223, 221,
1522 213, 225, 177, 197, 171, 196, 159, 4,
1523 5, 6, 8, 9, 10, 11, 12, 13,
1524 14, 15, 16, 17, 19, 20, 21, 22,
1525 23, 24, 25, 26, 27, 28, 30, 31,
1526 32, 33, 34, 35, 36, 37, 38, 39,
1527 41, 42, 43, 44, 45, 46, 47, 48,
1528 49, 50, 52, 53, 54, 55, 56, 57,
1529 58, 59, 60, 61, 63, 64, 65, 66,
1530 67, 68, 69, 70, 71, 72, 74, 75,
1531 76, 77, 78, 79, 80, 81, 82, 83,
1532 86, 87, 88, 89, 90, 91, 92, 93,
1533 94, 95, 97, 98, 99, 100, 101, 102,
1534 103, 104, 105, 106, 108, 109, 110, 111,
1535 112, 113, 114, 115, 116, 117, 119, 120,
1536 121, 122, 123, 124, 125, 126, 127, 128,
1537 130, 131, 132, 133, 134, 135, 136, 137,
1538 138, 139, 141, 142, 143, 144, 145, 146
1541 EXTCONST unsigned char freq[];
1546 EXTCONST char* block_type[] = {
1555 EXTCONST char* block_type[];
1559 /*****************************************************************************/
1560 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1561 /*****************************************************************************/
1562 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1575 EXT U32 lex_state; /* next token is determined */
1576 EXT U32 lex_defer; /* state after determined token */
1577 EXT expectation lex_expect; /* expect after determined token */
1578 EXT I32 lex_brackets; /* bracket count */
1579 EXT I32 lex_formbrack; /* bracket count at outer format level */
1580 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1581 EXT I32 lex_casemods; /* casemod count */
1582 EXT I32 lex_dojoin; /* doing an array interpolation */
1583 EXT I32 lex_starts; /* how many interps done on level */
1584 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1585 EXT SV * lex_repl; /* runtime replacement from s/// */
1586 EXT OP * lex_op; /* extra info to pass back on op */
1587 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1588 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1589 EXT char * lex_brackstack; /* what kind of brackets to pop */
1590 EXT char * lex_casestack; /* what kind of case mods in effect */
1592 /* What we know when we're in LEX_KNOWNEXT state. */
1593 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1594 EXT I32 nexttype[5]; /* type of next token */
1597 EXT PerlIO * VOL rsfp INIT(Nullfp);
1600 EXT char * oldbufptr;
1601 EXT char * oldoldbufptr;
1603 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1604 EXT AV * rsfp_filters;
1606 EXT I32 multi_start; /* 1st line of multi-line string */
1607 EXT I32 multi_end; /* last line of multi-line string */
1608 EXT I32 multi_open; /* delimiter of said string */
1609 EXT I32 multi_close; /* delimiter of said string */
1612 EXT I32 error_count; /* how many errors so far, max 10 */
1613 EXT I32 subline; /* line this subroutine began on */
1614 EXT SV * subname; /* name of current subroutine */
1616 EXT CV * compcv; /* currently compiling subroutine */
1617 EXT AV * comppad; /* storage for lexically scoped temporaries */
1618 EXT AV * comppad_name; /* variable names for "my" variables */
1619 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1620 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1621 EXT I32 min_intro_pending;/* start of vars to introduce */
1622 EXT I32 max_intro_pending;/* end of vars to introduce */
1623 EXT I32 padix; /* max used index in current "register" pad */
1624 EXT I32 padix_floor; /* how low may inner block reset padix */
1625 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1628 EXT I32 thisexpr; /* name id for nothing_in_common() */
1629 EXT char * last_uni; /* position of last named-unary operator */
1630 EXT char * last_lop; /* position of last list operator */
1631 EXT OPCODE last_lop_op; /* last list operator */
1632 EXT bool in_my; /* we're compiling a "my" declaration */
1634 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1637 EXT U32 hints; /* various compilation flags */
1639 /* Note: the lowest 8 bits are reserved for
1640 stuffing into op->op_private */
1641 #define HINT_INTEGER 0x00000001
1642 #define HINT_STRICT_REFS 0x00000002
1644 #define HINT_BLOCK_SCOPE 0x00000100
1645 #define HINT_STRICT_SUBS 0x00000200
1646 #define HINT_STRICT_VARS 0x00000400
1647 #define HINT_LOCALE 0x00000800
1649 /**************************************************************************/
1650 /* This regexp stuff is global since it always happens within 1 expr eval */
1651 /**************************************************************************/
1653 EXT char * regprecomp; /* uncompiled string. */
1654 EXT char * regparse; /* Input-scan pointer. */
1655 EXT char * regxend; /* End of input for compile */
1656 EXT I32 regnpar; /* () count. */
1657 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1658 EXT I32 regsize; /* Code size. */
1659 EXT I32 regnaughty; /* How bad is this pattern? */
1660 EXT I32 regsawback; /* Did we see \1, ...? */
1662 EXT char * reginput; /* String-input pointer. */
1663 EXT char * regbol; /* Beginning of input, for ^ check. */
1664 EXT char * regeol; /* End of input, for $ check. */
1665 EXT char ** regstartp; /* Pointer to startp array. */
1666 EXT char ** regendp; /* Ditto for endp. */
1667 EXT U32 * reglastparen; /* Similarly for lastparen. */
1668 EXT char * regtill; /* How far we are required to go. */
1669 EXT U16 regflags; /* are we folding, multilining? */
1670 EXT char regprev; /* char before regbol, \n if none */
1672 EXT bool do_undump; /* -u or dump seen? */
1675 /***********************************************/
1676 /* Global only to current interpreter instance */
1677 /***********************************************/
1682 struct interpreter {
1685 #define IINIT(x) INIT(x)
1688 /* pseudo environmental stuff */
1690 IEXT char ** Iorigargv;
1694 IEXT char * Iorigfilename;
1696 IEXT SV * Iwarnhook;
1697 IEXT SV * Iparsehook;
1699 /* Various states of an input record separator SV (rs, nrs) */
1700 #define RsSNARF(sv) (! SvOK(sv))
1701 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1702 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1707 IEXT char Ipatchlevel[10];
1708 IEXT char ** Ilocalpatches;
1710 IEXT char * Isplitstr IINIT(" ");
1711 IEXT bool Ipreprocess;
1717 IEXT bool Idoswitches;
1719 IEXT bool Idoextract;
1720 IEXT bool Isawampersand; /* must save all match strings */
1721 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1724 IEXT char * Iinplace;
1725 IEXT char * Ie_tmpname;
1726 IEXT PerlIO * Ie_fp;
1728 /* This value may be raised by extensions for testing purposes */
1729 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1731 /* magical thingies */
1732 IEXT Time_t Ibasetime; /* $^T */
1733 IEXT SV * Iformfeed; /* $^L */
1734 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1735 IEXT SV * Irs; /* $/ */
1736 IEXT char * Iofs; /* $, */
1737 IEXT STRLEN Iofslen;
1738 IEXT char * Iors; /* $\ */
1739 IEXT STRLEN Iorslen;
1740 IEXT char * Iofmt; /* $# */
1741 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1742 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1743 IEXT I32 Istatusvalue; /* $? */
1745 IEXT U32 Istatusvalue_vms;
1748 IEXT struct stat Istatcache; /* _ */
1750 IEXT SV * Istatname IINIT(Nullsv);
1752 /* shortcuts to various I/O objects */
1754 IEXT GV * Ilast_in_gv;
1757 IEXT GV * Idefoutgv;
1758 IEXT GV * Iargvoutgv;
1760 /* shortcuts to regexp stuff */
1764 IEXT PMOP * Icurpm; /* what to do \ interps from */
1765 IEXT I32 * Iscreamfirst;
1766 IEXT I32 * Iscreamnext;
1767 IEXT I32 Imaxscream IINIT(-1);
1768 IEXT SV * Ilastscream;
1770 /* shortcuts to misc objects */
1773 /* shortcuts to debugging objects */
1777 IEXT SV * IDBsingle;
1779 IEXT SV * IDBsignal;
1780 IEXT AV * Ilineary; /* lines of script for debugger */
1781 IEXT AV * Idbargs; /* args to call listed by caller function */
1784 IEXT HV * Idefstash; /* main symbol table */
1785 IEXT HV * Icurstash; /* symbol table for current package */
1786 IEXT HV * Idebstash; /* symbol table for perldb package */
1787 IEXT SV * Icurstname; /* name of current package */
1788 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1789 IEXT AV * Iendav; /* names of END subroutines */
1790 IEXT HV * Istrtab; /* shared string table */
1792 /* memory management */
1793 IEXT SV ** Itmps_stack;
1794 IEXT I32 Itmps_ix IINIT(-1);
1795 IEXT I32 Itmps_floor IINIT(-1);
1797 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1798 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1799 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1800 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1802 /* funky return mechanisms */
1803 IEXT I32 Ilastspbase;
1805 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1807 /* subprocess state */
1808 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1810 /* internal state */
1811 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1812 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1813 IEXT int Idelaymagic; /* ($<,$>) = ... */
1814 IEXT bool Idirty; /* In the middle of tearing things down? */
1815 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1816 IEXT bool Itainted; /* using variables controlled by $< */
1817 IEXT bool Itainting; /* doing taint checks */
1818 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1822 IEXT I32 Idlmax IINIT(128);
1823 IEXT char * Idebname;
1824 IEXT char * Idebdelim;
1826 /* current interpreter roots */
1828 IEXT OP * Imain_root;
1829 IEXT OP * Imain_start;
1830 IEXT OP * Ieval_root;
1831 IEXT OP * Ieval_start;
1833 /* runtime control stuff */
1834 IEXT COP * VOL Icurcop IINIT(&compiling);
1835 IEXT COP * Icurcopdb IINIT(NULL);
1836 IEXT line_t Icopline IINIT(NOLINE);
1837 IEXT CONTEXT * Icxstack;
1838 IEXT I32 Icxstack_ix IINIT(-1);
1839 IEXT I32 Icxstack_max IINIT(128);
1840 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1841 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1845 IEXT AV * Icurstack; /* THE STACK */
1846 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1847 IEXT SV ** Imystack_base; /* stack->array_ary */
1848 IEXT SV ** Imystack_sp; /* stack pointer now */
1849 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1851 /* format accumulators */
1852 IEXT SV * Iformtarget;
1853 IEXT SV * Ibodytarget;
1854 IEXT SV * Itoptarget;
1856 /* statics moved here for shared library purposes */
1857 IEXT SV Istrchop; /* return value from chop */
1858 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1859 IEXT int Ilastfd; /* what to preserve mode on */
1860 IEXT char * Ioldname; /* what to preserve mode on */
1861 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1862 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1863 IEXT OP * Isortcop; /* user defined sort routine */
1864 IEXT HV * Isortstash; /* which is in some package or other */
1865 IEXT GV * Ifirstgv; /* $a */
1866 IEXT GV * Isecondgv; /* $b */
1867 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1868 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1869 IEXT SV * Imystrk; /* temp key string for do_each() */
1870 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1871 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1872 IEXT I32 Igensym; /* next symbol for getsym() to define */
1873 IEXT bool Ipreambled;
1874 IEXT AV * Ipreambleav;
1875 IEXT int Ilaststatval IINIT(-1);
1876 IEXT I32 Ilaststype IINIT(OP_STAT);
1884 struct interpreter {
1898 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1899 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1901 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1902 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1909 /* The following must follow proto.h */
1913 EXT MGVTBL vtbl_sv = {magic_get,
1917 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1918 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1921 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1922 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1926 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1928 EXT MGVTBL vtbl_packelem = {magic_getpack,
1932 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1934 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1936 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1938 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1941 EXT MGVTBL vtbl_glob = {magic_getglob,
1944 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1946 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1948 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1950 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1952 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1954 EXT MGVTBL vtbl_pos = {magic_getpos,
1957 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1959 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1961 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1964 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
1965 0, 0, magic_freedefelem};
1967 #ifdef USE_LOCALE_COLLATE
1968 EXT MGVTBL vtbl_collxfrm = {0,
1974 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1975 0, 0, magic_setamagic};
1976 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1977 0, 0, magic_setamagic};
1978 #endif /* OVERLOAD */
1983 EXT MGVTBL vtbl_env;
1984 EXT MGVTBL vtbl_envelem;
1985 EXT MGVTBL vtbl_sig;
1986 EXT MGVTBL vtbl_sigelem;
1987 EXT MGVTBL vtbl_pack;
1988 EXT MGVTBL vtbl_packelem;
1989 EXT MGVTBL vtbl_dbline;
1990 EXT MGVTBL vtbl_isa;
1991 EXT MGVTBL vtbl_isaelem;
1992 EXT MGVTBL vtbl_arylen;
1993 EXT MGVTBL vtbl_glob;
1994 EXT MGVTBL vtbl_mglob;
1995 EXT MGVTBL vtbl_nkeys;
1996 EXT MGVTBL vtbl_taint;
1997 EXT MGVTBL vtbl_substr;
1998 EXT MGVTBL vtbl_vec;
1999 EXT MGVTBL vtbl_pos;
2002 EXT MGVTBL vtbl_uvar;
2003 EXT MGVTBL vtbl_defelem;
2005 #ifdef USE_LOCALE_COLLATE
2006 EXT MGVTBL vtbl_collxfrm;
2010 EXT MGVTBL vtbl_amagic;
2011 EXT MGVTBL vtbl_amagicelem;
2012 #endif /* OVERLOAD */
2014 #endif /* !DOINIT */
2018 EXT long amagic_generation;
2020 #define NofAMmeth 58
2022 EXTCONST char * AMG_names[NofAMmeth] = {
2023 "fallback", "abs", /* "fallback" should be the first. */
2054 EXTCONST char * AMG_names[NofAMmeth];
2055 #endif /* def INITAMAGIC */
2061 CV* table[NofAMmeth];
2064 struct am_table_short {
2069 typedef struct am_table AMT;
2070 typedef struct am_table_short AMTS;
2072 #define AMGfallNEVER 1
2074 #define AMGfallYES 3
2076 #define AMTf_AMAGIC 1
2077 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2078 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2079 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2082 fallback_amg, abs_amg,
2083 bool__amg, nomethod_amg,
2084 string_amg, numer_amg,
2085 add_amg, add_ass_amg,
2086 subtr_amg, subtr_ass_amg,
2087 mult_amg, mult_ass_amg,
2088 div_amg, div_ass_amg,
2089 mod_amg, mod_ass_amg,
2090 pow_amg, pow_ass_amg,
2091 lshift_amg, lshift_ass_amg,
2092 rshift_amg, rshift_ass_amg,
2093 band_amg, band_ass_amg,
2094 bor_amg, bor_ass_amg,
2095 bxor_amg, bxor_ass_amg,
2108 repeat_amg, repeat_ass_amg,
2109 concat_amg, concat_ass_amg,
2114 * some compilers like to redefine cos et alia as faster
2115 * (and less accurate?) versions called F_cos et cetera (Quidquid
2116 * latine dictum sit, altum viditur.) This trick collides with
2117 * the Perl overloading (amg). The following #defines fool both.
2122 # define F_atan2_amg atan2_amg
2125 # define F_cos_amg cos_amg
2128 # define F_exp_amg exp_amg
2131 # define F_log_amg log_amg
2134 # define F_pow_amg pow_amg
2137 # define F_sin_amg sin_amg
2140 # define F_sqrt_amg sqrt_amg
2142 #endif /* _FASTMATH */
2144 #endif /* OVERLOAD */
2146 #ifdef USE_LOCALE_COLLATE
2147 EXT U32 collation_ix; /* Collation generation index */
2148 EXT char * collation_name; /* Name of current collation */
2149 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2150 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2151 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2152 #endif /* USE_LOCALE_COLLATE */
2154 #ifdef USE_LOCALE_NUMERIC
2156 EXT char * numeric_name; /* Name of current numeric locale */
2157 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2158 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2160 #define SET_NUMERIC_STANDARD() \
2162 if (! numeric_standard) \
2163 perl_set_numeric_standard(); \
2166 #define SET_NUMERIC_LOCAL() \
2168 if (! numeric_local) \
2169 perl_set_numeric_local(); \
2172 #else /* !USE_LOCALE_NUMERIC */
2174 #define SET_NUMERIC_STANDARD() /**/
2175 #define SET_NUMERIC_LOCAL() /**/
2177 #endif /* !USE_LOCALE_NUMERIC */
2179 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2181 * Now we have __attribute__ out of the way
2184 #define printf PerlIO_stdoutf
2187 #endif /* Include guard */