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>
364 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
365 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
366 * (the neo-BSD seem to do this). */
371 # include <sys/stat.h>
374 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
375 like UTekV) are broken, sometimes giving false positives. Undefine
376 them here and let the code below set them to proper values.
378 The ghs macro stands for GreenHills Software C-1.8.5 which
379 is the C compiler for sysV88 and the various derivatives.
380 This header file bug is corrected in gcc-2.5.8 and later versions.
381 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
383 #if defined(uts) || (defined(m88k) && defined(ghs))
397 # ifdef I_SYS_TIME_KERNEL
400 # include <sys/time.h>
401 # ifdef I_SYS_TIME_KERNEL
406 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
407 # include <sys/times.h>
410 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
416 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
418 #endif /* !HAS_MKFIFO */
423 # include <net/errno.h>
428 # define SETERRNO(errcode,vmserrcode) \
430 set_errno(errcode); \
431 set_vaxc_errno(vmserrcode); \
434 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
438 extern int errno; /* ANSI allows errno to be an lvalue expr */
443 char *strerror _((int,...));
445 #ifndef DONT_DECLARE_STD
446 char *strerror _((int));
450 # define Strerror strerror
453 # ifdef HAS_SYS_ERRLIST
455 extern char *sys_errlist[];
457 # define Strerror(e) \
458 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
465 # include <sys/ioctl.h>
469 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
470 # ifdef HAS_SOCKETPAIR
471 # undef HAS_SOCKETPAIR
486 /* Configure already sets Direntry_t */
487 #if defined(I_DIRENT)
489 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
490 # include <sys/dir.h>
494 # include <sys/ndir.h>
498 # include <ndir.h> /* may be wrong in the future */
500 # include <sys/dir.h>
507 /* work around botch in SunOS 4.0.1 and 4.0.2 */
509 # define fputs(sv,fp) fprintf(fp,"%s",sv)
514 * The following gobbledygook brought to you on behalf of __STDC__.
515 * (I could just use #ifndef __STDC__, but this is more bulletproof
516 * in the face of half-implementations.)
521 # define S_IFMT _S_IFMT
523 # define S_IFMT 0170000
528 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
532 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
537 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
539 # define S_ISBLK(m) (0)
544 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
549 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
551 # define S_ISFIFO(m) (0)
557 # define S_ISLNK(m) _S_ISLNK(m)
560 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
563 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
565 # define S_ISLNK(m) (0)
573 # define S_ISSOCK(m) _S_ISSOCK(m)
576 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
579 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
581 # define S_ISSOCK(m) (0)
589 # define S_IRUSR S_IREAD
590 # define S_IWUSR S_IWRITE
591 # define S_IXUSR S_IEXEC
593 # define S_IRUSR 0400
594 # define S_IWUSR 0200
595 # define S_IXUSR 0100
597 # define S_IRGRP (S_IRUSR>>3)
598 # define S_IWGRP (S_IWUSR>>3)
599 # define S_IXGRP (S_IXUSR>>3)
600 # define S_IROTH (S_IRUSR>>6)
601 # define S_IWOTH (S_IWUSR>>6)
602 # define S_IXOTH (S_IXUSR>>6)
606 # define S_ISUID 04000
610 # define S_ISGID 02000
617 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
618 # define SLOPPYDIVIDE
625 /* XXX QUAD stuff is not currently supported on most systems.
626 Specifically, perl internals don't support long long. Among
627 the many problems is that some compilers support long long,
628 but the underlying library functions (such as sprintf) don't.
629 Some things do work (such as quad pack/unpack on convex);
630 also some systems use long long for the fpos_t typedef. That
633 The IV type is supposed to be long enough to hold any integral
635 --Andy Dougherty August 1996
642 # define Quad_t long long
644 # if BYTEORDER > 0xFFFF
653 typedef unsigned Quad_t UV;
654 # define IV_MAX PERL_QUAD_MAX
655 # define IV_MIN PERL_QUAD_MIN
656 # define UV_MAX PERL_UQUAD_MAX
657 # define UV_MIN PERL_UQUAD_MIN
660 typedef unsigned long UV;
661 # define IV_MAX PERL_LONG_MAX
662 # define IV_MIN PERL_LONG_MIN
663 # define UV_MAX PERL_ULONG_MAX
664 # define UV_MIN PERL_ULONG_MIN
667 /* Previously these definitions used hardcoded figures.
668 * It is hoped these formula are more portable, although
669 * no data one way or another is presently known to me.
670 * The "PERL_" names are used because these calculated constants
671 * do not meet the ANSI requirements for LONG_MAX, etc., which
672 * need to be constants acceptable to #if - kja
673 * define PERL_LONG_MAX 2147483647L
674 * define PERL_LONG_MIN (-LONG_MAX - 1)
675 * define PERL ULONG_MAX 4294967295L
678 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
687 * Try to figure out max and min values for the integral types. THE CORRECT
688 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
689 * following hacks are used if neither limits.h or values.h provide them:
690 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
691 * for types < int: (unsigned TYPE)~(unsigned)0
692 * The argument to ~ must be unsigned so that later signed->unsigned
693 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
694 * and it must not be smaller than int because ~ does integral promotion.
695 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
696 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
697 * The latter is a hack which happens to work on some machines but
698 * does *not* catch any random system, or things like integer types
699 * with NaN if that is possible.
701 * All of the types are explicitly cast to prevent accidental loss of
702 * numeric range, and in the hope that they will be less likely to confuse
703 * over-eager optimizers.
707 #define PERL_UCHAR_MIN ((unsigned char)0)
710 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
713 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
715 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
720 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
721 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
722 * depending on local options. Until Configure detects this (or at least
723 * detects whether the "signed" keyword is available) the CHAR ranges
724 * will not be included. UCHAR functions normally.
728 #define PERL_USHORT_MIN ((unsigned short)0)
731 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
734 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
736 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
741 # define PERL_SHORT_MAX ((short)SHORT_MAX)
743 # ifdef MAXSHORT /* Often used in <values.h> */
744 # define PERL_SHORT_MAX ((short)MAXSHORT)
746 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
751 # define PERL_SHORT_MIN ((short)SHORT_MIN)
754 # define PERL_SHORT_MIN ((short)MINSHORT)
756 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
761 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
764 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
766 # define PERL_UINT_MAX (~(unsigned int)0)
770 #define PERL_UINT_MIN ((unsigned int)0)
773 # define PERL_INT_MAX ((int)INT_MAX)
775 # ifdef MAXINT /* Often used in <values.h> */
776 # define PERL_INT_MAX ((int)MAXINT)
778 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
783 # define PERL_INT_MIN ((int)INT_MIN)
786 # define PERL_INT_MIN ((int)MININT)
788 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
793 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
796 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
798 # define PERL_ULONG_MAX (~(unsigned long)0)
802 #define PERL_ULONG_MIN ((unsigned long)0L)
805 # define PERL_LONG_MAX ((long)LONG_MAX)
807 # ifdef MAXLONG /* Often used in <values.h> */
808 # define PERL_LONG_MAX ((long)MAXLONG)
810 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
815 # define PERL_LONG_MIN ((long)LONG_MIN)
818 # define PERL_LONG_MIN ((long)MINLONG)
820 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
827 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
829 # define PERL_UQUAD_MAX (~(UV)0)
832 # define PERL_UQUAD_MIN ((UV)0)
835 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
837 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
841 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
843 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
848 typedef MEM_SIZE STRLEN;
850 typedef struct op OP;
851 typedef struct cop COP;
852 typedef struct unop UNOP;
853 typedef struct binop BINOP;
854 typedef struct listop LISTOP;
855 typedef struct logop LOGOP;
856 typedef struct condop CONDOP;
857 typedef struct pmop PMOP;
858 typedef struct svop SVOP;
859 typedef struct gvop GVOP;
860 typedef struct pvop PVOP;
861 typedef struct loop LOOP;
863 typedef struct Outrec Outrec;
864 typedef struct interpreter PerlInterpreter;
866 typedef struct ff FF; /* XXX not defined anywhere, should go? */
868 typedef struct sv SV;
869 typedef struct av AV;
870 typedef struct hv HV;
871 typedef struct cv CV;
872 typedef struct regexp REGEXP;
873 typedef struct gp GP;
874 typedef struct gv GV;
875 typedef struct io IO;
876 typedef struct context CONTEXT;
877 typedef struct block BLOCK;
879 typedef struct magic MAGIC;
880 typedef struct xrv XRV;
881 typedef struct xpv XPV;
882 typedef struct xpviv XPVIV;
883 typedef struct xpvuv XPVUV;
884 typedef struct xpvnv XPVNV;
885 typedef struct xpvmg XPVMG;
886 typedef struct xpvlv XPVLV;
887 typedef struct xpvav XPVAV;
888 typedef struct xpvhv XPVHV;
889 typedef struct xpvgv XPVGV;
890 typedef struct xpvcv XPVCV;
891 typedef struct xpvbm XPVBM;
892 typedef struct xpvfm XPVFM;
893 typedef struct xpvio XPVIO;
894 typedef struct mgvtbl MGVTBL;
895 typedef union any ANY;
899 typedef I32 (*filter_t) _((int, SV *, int));
900 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
901 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
902 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
915 # include "./plan9/plan9ish.h"
917 # include "unixish.h"
923 # define STATUS_NATIVE statusvalue_vms
924 # define STATUS_NATIVE_EXPORT \
925 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
926 # define STATUS_NATIVE_SET(n) \
928 statusvalue_vms = (n); \
929 if ((I32)statusvalue_vms == -1) \
931 else if (statusvalue_vms & STS$M_SUCCESS) \
933 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
934 statusvalue = 1 << 8; \
936 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
938 # define STATUS_POSIX statusvalue
939 # ifdef VMSISH_STATUS
940 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
942 # define STATUS_CURRENT STATUS_POSIX
944 # define STATUS_POSIX_SET(n) \
947 if (statusvalue != -1) { \
948 statusvalue &= 0xFFFF; \
949 statusvalue_vms = statusvalue ? 44 : 1; \
951 else statusvalue_vms = -1; \
953 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
954 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
956 # define STATUS_NATIVE STATUS_POSIX
957 # define STATUS_NATIVE_EXPORT STATUS_POSIX
958 # define STATUS_NATIVE_SET STATUS_POSIX_SET
959 # define STATUS_POSIX statusvalue
960 # define STATUS_POSIX_SET(n) \
963 if (statusvalue != -1) \
964 statusvalue &= 0xFFFF; \
966 # define STATUS_CURRENT STATUS_POSIX
967 # define STATUS_ALL_SUCCESS (statusvalue = 0)
968 # define STATUS_ALL_FAILURE (statusvalue = 1)
971 /* Some unistd.h's give a prototype for pause() even though
972 HAS_PAUSE ends up undefined. This causes the #define
973 below to be rejected by the compmiler. Sigh.
978 #define Pause() sleep((32767<<16)+32767)
983 /* on BSDish systes we're safe */
984 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
986 /* otherwise guess at what's safe */
987 # define IOCPARM_LEN(x) 256
996 void (*any_dptr) _((void*));
999 /* Work around some cygwin32 problems with importing global symbols */
1000 #if defined(CYGWIN32) && defined(DLLIMPORT)
1001 # include "cw32imp.h"
1018 /* work around some libPW problems */
1023 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1027 #if defined(htonl) && !defined(HAS_HTONL)
1030 #if defined(htons) && !defined(HAS_HTONS)
1033 #if defined(ntohl) && !defined(HAS_NTOHL)
1036 #if defined(ntohs) && !defined(HAS_NTOHS)
1040 #if (BYTEORDER & 0xffff) != 0x4321
1046 #define htons my_swap
1047 #define htonl my_htonl
1048 #define ntohs my_swap
1049 #define ntohl my_ntohl
1052 #if (BYTEORDER & 0xffff) == 0x4321
1061 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1064 #if BYTEORDER != 0x1234
1069 # if BYTEORDER == 0x4321
1070 # define vtohl(x) ((((x)&0xFF)<<24) \
1072 +(((x)&0x0000FF00)<<8) \
1073 +(((x)&0x00FF0000)>>8) )
1074 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1075 # define htovl(x) vtohl(x)
1076 # define htovs(x) vtohs(x)
1078 /* otherwise default to functions in util.c */
1082 #define U_S(what) ((U16)(what))
1083 #define U_I(what) ((unsigned int)(what))
1084 #define U_L(what) ((U32)(what))
1089 U32 cast_ulong _((double));
1093 #define U_S(what) ((U16)cast_ulong((double)(what)))
1094 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1095 #define U_L(what) (cast_ulong((double)(what)))
1099 #define I_32(what) ((I32)(what))
1100 #define I_V(what) ((IV)(what))
1101 #define U_V(what) ((UV)(what))
1106 I32 cast_i32 _((double));
1107 IV cast_iv _((double));
1108 UV cast_uv _((double));
1112 #define I_32(what) (cast_i32((double)(what)))
1113 #define I_V(what) (cast_iv((double)(what)))
1114 #define U_V(what) (cast_uv((double)(what)))
1128 # define TMPPATH "/tmp/perl-eXXXXXX"
1132 Uid_t getuid _((void));
1133 Uid_t geteuid _((void));
1134 Gid_t getgid _((void));
1135 Gid_t getegid _((void));
1139 #ifndef Perl_debug_log
1140 #define Perl_debug_log PerlIO_stderr()
1144 #define DEBUG(a) if (debug) a
1145 #define DEBUG_p(a) if (debug & 1) a
1146 #define DEBUG_s(a) if (debug & 2) a
1147 #define DEBUG_l(a) if (debug & 4) a
1148 #define DEBUG_t(a) if (debug & 8) a
1149 #define DEBUG_o(a) if (debug & 16) a
1150 #define DEBUG_c(a) if (debug & 32) a
1151 #define DEBUG_P(a) if (debug & 64) a
1152 #define DEBUG_m(a) if (curinterp && debug & 128) a
1153 #define DEBUG_f(a) if (debug & 256) a
1154 #define DEBUG_r(a) if (debug & 512) a
1155 #define DEBUG_x(a) if (debug & 1024) a
1156 #define DEBUG_u(a) if (debug & 2048) a
1157 #define DEBUG_L(a) if (debug & 4096) a
1158 #define DEBUG_H(a) if (debug & 8192) a
1159 #define DEBUG_X(a) if (debug & 16384) a
1160 #define DEBUG_D(a) if (debug & 32768) a
1181 #define YYMAXDEPTH 300
1183 #ifndef assert /* <assert.h> might have been included somehow */
1184 #define assert(what) DEB( { \
1186 croak("Assertion failed: file \"%s\", line %d", \
1187 __FILE__, __LINE__); \
1193 I32 (*uf_val)_((IV, SV*));
1194 I32 (*uf_set)_((IV, SV*));
1198 /* Fix these up for __STDC__ */
1199 #ifndef DONT_DECLARE_STD
1200 char *mktemp _((char*));
1201 double atof _((const char*));
1205 /* All of these are in stdlib.h or time.h for ANSI C */
1207 struct tm *gmtime(), *localtime();
1208 char *strchr(), *strrchr();
1209 char *strcpy(), *strcat();
1210 #endif /* ! STANDARD_C */
1219 double exp _((double));
1220 double log _((double));
1221 double log10 _((double));
1222 double sqrt _((double));
1223 double frexp _((double,int*));
1224 double ldexp _((double,int));
1225 double modf _((double,double*));
1226 double sin _((double));
1227 double cos _((double));
1228 double atan2 _((double,double));
1229 double pow _((double,double));
1236 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1237 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1239 char *crypt _((const char*, const char*));
1241 #ifndef DONT_DECLARE_STD
1243 char *getenv _((const char*));
1245 Off_t lseek _((int,Off_t,int));
1247 char *getlogin _((void));
1250 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1251 #define UNLINK unlnk
1252 I32 unlnk _((char*));
1254 #define UNLINK unlink
1257 #ifndef HAS_SETREUID
1258 # ifdef HAS_SETRESUID
1259 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1260 # define HAS_SETREUID
1263 #ifndef HAS_SETREGID
1264 # ifdef HAS_SETRESGID
1265 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1266 # define HAS_SETREGID
1270 typedef Signal_t (*Sighandler_t) _((int));
1272 #ifdef HAS_SIGACTION
1273 typedef struct sigaction Sigsave_t;
1275 typedef Sighandler_t Sigsave_t;
1286 # define PAD_SV(po) pad_sv(po)
1288 # define PAD_SV(po) curpad[po]
1296 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1297 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1298 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1299 #ifndef DONT_DECLARE_STD
1300 extern char ** environ; /* environment variables supplied via exec */
1303 # if defined(NeXT) && defined(__DYNAMIC__)
1305 # include <mach-o/dyld.h>
1306 EXT char *** environ_pointer;
1307 # define environ (*environ_pointer)
1309 #endif /* environ processing */
1311 EXT int uid; /* current real user id */
1312 EXT int euid; /* current effective user id */
1313 EXT int gid; /* current real group id */
1314 EXT int egid; /* current effective group id */
1315 EXT bool nomemok; /* let malloc context handle nomem */
1316 EXT U32 an; /* malloc sequence number */
1317 EXT U32 cop_seqmax; /* statement sequence number */
1318 EXT U16 op_seqmax; /* op sequence number */
1319 EXT U32 evalseq; /* eval sequence number */
1320 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1321 EXT char ** origenviron;
1323 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1324 EXT U32 * profiledata;
1325 EXT int maxo INIT(MAXO);/* Number of ops */
1326 EXT char * osname; /* operating system */
1327 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1329 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1330 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1331 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1332 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1333 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1334 EXT HE * he_root; /* free he list--shared by interpreters */
1335 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1336 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1338 /* Stack for currently executing thread--context switch must handle this. */
1339 EXT SV ** stack_base; /* stack->array_ary */
1340 EXT SV ** stack_sp; /* stack pointer now */
1341 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1343 /* likewise for these */
1345 EXT OP * op; /* current op--oughta be in a global register */
1347 EXT I32 * scopestack; /* blocks we've entered */
1348 EXT I32 scopestack_ix;
1349 EXT I32 scopestack_max;
1351 EXT ANY* savestack; /* to save non-local values on */
1352 EXT I32 savestack_ix;
1353 EXT I32 savestack_max;
1355 EXT OP ** retstack; /* returns we've pushed */
1356 EXT I32 retstack_ix;
1357 EXT I32 retstack_max;
1359 EXT I32 * markstack; /* stackmarks we're remembering */
1360 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1361 EXT I32 * markstack_max; /* stackmarks we're remembering */
1368 EXT char tokenbuf[256];
1369 EXT struct stat statbuf;
1371 EXT struct tms timesbuf;
1373 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1375 /* for tmp use in stupid debuggers */
1380 /* handy constants */
1381 EXTCONST char * Yes INIT("1");
1382 EXTCONST char * No INIT("");
1383 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1384 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1385 EXTCONST char * vert INIT("|");
1387 EXTCONST char warn_uninit[]
1388 INIT("Use of uninitialized value");
1389 EXTCONST char warn_nosemi[]
1390 INIT("Semicolon seems to be missing");
1391 EXTCONST char warn_reserved[]
1392 INIT("Unquoted string \"%s\" may clash with future reserved word");
1393 EXTCONST char warn_nl[]
1394 INIT("Unsuccessful %s on filename containing newline");
1395 EXTCONST char no_wrongref[]
1396 INIT("Can't use %s ref as %s ref");
1397 EXTCONST char no_symref[]
1398 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1399 EXTCONST char no_usym[]
1400 INIT("Can't use an undefined value as %s reference");
1401 EXTCONST char no_aelem[]
1402 INIT("Modification of non-creatable array value attempted, subscript %d");
1403 EXTCONST char no_helem[]
1404 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1405 EXTCONST char no_modify[]
1406 INIT("Modification of a read-only value attempted");
1407 EXTCONST char no_mem[]
1408 INIT("Out of memory!\n");
1409 EXTCONST char no_security[]
1410 INIT("Insecure dependency in %s%s");
1411 EXTCONST char no_sock_func[]
1412 INIT("Unsupported socket function \"%s\" called");
1413 EXTCONST char no_dir_func[]
1414 INIT("Unsupported directory function \"%s\" called");
1415 EXTCONST char no_func[]
1416 INIT("The %s function is unimplemented");
1417 EXTCONST char no_myglob[]
1418 INIT("\"my\" variable %s can't be in a package");
1424 EXT char * cshname INIT(CSH);
1429 EXT char *sig_name[] = { SIG_NAME };
1430 EXT int sig_num[] = { SIG_NUM };
1431 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1432 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1434 EXT char *sig_name[];
1436 EXT SV * psig_ptr[];
1437 EXT SV * psig_name[];
1440 /* fast case folding tables */
1443 EXTCONST unsigned char fold[] = {
1444 0, 1, 2, 3, 4, 5, 6, 7,
1445 8, 9, 10, 11, 12, 13, 14, 15,
1446 16, 17, 18, 19, 20, 21, 22, 23,
1447 24, 25, 26, 27, 28, 29, 30, 31,
1448 32, 33, 34, 35, 36, 37, 38, 39,
1449 40, 41, 42, 43, 44, 45, 46, 47,
1450 48, 49, 50, 51, 52, 53, 54, 55,
1451 56, 57, 58, 59, 60, 61, 62, 63,
1452 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1453 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1454 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1455 'x', 'y', 'z', 91, 92, 93, 94, 95,
1456 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1457 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1458 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1459 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1460 128, 129, 130, 131, 132, 133, 134, 135,
1461 136, 137, 138, 139, 140, 141, 142, 143,
1462 144, 145, 146, 147, 148, 149, 150, 151,
1463 152, 153, 154, 155, 156, 157, 158, 159,
1464 160, 161, 162, 163, 164, 165, 166, 167,
1465 168, 169, 170, 171, 172, 173, 174, 175,
1466 176, 177, 178, 179, 180, 181, 182, 183,
1467 184, 185, 186, 187, 188, 189, 190, 191,
1468 192, 193, 194, 195, 196, 197, 198, 199,
1469 200, 201, 202, 203, 204, 205, 206, 207,
1470 208, 209, 210, 211, 212, 213, 214, 215,
1471 216, 217, 218, 219, 220, 221, 222, 223,
1472 224, 225, 226, 227, 228, 229, 230, 231,
1473 232, 233, 234, 235, 236, 237, 238, 239,
1474 240, 241, 242, 243, 244, 245, 246, 247,
1475 248, 249, 250, 251, 252, 253, 254, 255
1478 EXTCONST unsigned char fold[];
1482 EXT unsigned char fold_locale[] = {
1483 0, 1, 2, 3, 4, 5, 6, 7,
1484 8, 9, 10, 11, 12, 13, 14, 15,
1485 16, 17, 18, 19, 20, 21, 22, 23,
1486 24, 25, 26, 27, 28, 29, 30, 31,
1487 32, 33, 34, 35, 36, 37, 38, 39,
1488 40, 41, 42, 43, 44, 45, 46, 47,
1489 48, 49, 50, 51, 52, 53, 54, 55,
1490 56, 57, 58, 59, 60, 61, 62, 63,
1491 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1492 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1493 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1494 'x', 'y', 'z', 91, 92, 93, 94, 95,
1495 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1496 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1497 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1498 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1499 128, 129, 130, 131, 132, 133, 134, 135,
1500 136, 137, 138, 139, 140, 141, 142, 143,
1501 144, 145, 146, 147, 148, 149, 150, 151,
1502 152, 153, 154, 155, 156, 157, 158, 159,
1503 160, 161, 162, 163, 164, 165, 166, 167,
1504 168, 169, 170, 171, 172, 173, 174, 175,
1505 176, 177, 178, 179, 180, 181, 182, 183,
1506 184, 185, 186, 187, 188, 189, 190, 191,
1507 192, 193, 194, 195, 196, 197, 198, 199,
1508 200, 201, 202, 203, 204, 205, 206, 207,
1509 208, 209, 210, 211, 212, 213, 214, 215,
1510 216, 217, 218, 219, 220, 221, 222, 223,
1511 224, 225, 226, 227, 228, 229, 230, 231,
1512 232, 233, 234, 235, 236, 237, 238, 239,
1513 240, 241, 242, 243, 244, 245, 246, 247,
1514 248, 249, 250, 251, 252, 253, 254, 255
1517 EXT unsigned char fold_locale[];
1521 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1522 1, 2, 84, 151, 154, 155, 156, 157,
1523 165, 246, 250, 3, 158, 7, 18, 29,
1524 40, 51, 62, 73, 85, 96, 107, 118,
1525 129, 140, 147, 148, 149, 150, 152, 153,
1526 255, 182, 224, 205, 174, 176, 180, 217,
1527 233, 232, 236, 187, 235, 228, 234, 226,
1528 222, 219, 211, 195, 188, 193, 185, 184,
1529 191, 183, 201, 229, 181, 220, 194, 162,
1530 163, 208, 186, 202, 200, 218, 198, 179,
1531 178, 214, 166, 170, 207, 199, 209, 206,
1532 204, 160, 212, 216, 215, 192, 175, 173,
1533 243, 172, 161, 190, 203, 189, 164, 230,
1534 167, 248, 227, 244, 242, 255, 241, 231,
1535 240, 253, 169, 210, 245, 237, 249, 247,
1536 239, 168, 252, 251, 254, 238, 223, 221,
1537 213, 225, 177, 197, 171, 196, 159, 4,
1538 5, 6, 8, 9, 10, 11, 12, 13,
1539 14, 15, 16, 17, 19, 20, 21, 22,
1540 23, 24, 25, 26, 27, 28, 30, 31,
1541 32, 33, 34, 35, 36, 37, 38, 39,
1542 41, 42, 43, 44, 45, 46, 47, 48,
1543 49, 50, 52, 53, 54, 55, 56, 57,
1544 58, 59, 60, 61, 63, 64, 65, 66,
1545 67, 68, 69, 70, 71, 72, 74, 75,
1546 76, 77, 78, 79, 80, 81, 82, 83,
1547 86, 87, 88, 89, 90, 91, 92, 93,
1548 94, 95, 97, 98, 99, 100, 101, 102,
1549 103, 104, 105, 106, 108, 109, 110, 111,
1550 112, 113, 114, 115, 116, 117, 119, 120,
1551 121, 122, 123, 124, 125, 126, 127, 128,
1552 130, 131, 132, 133, 134, 135, 136, 137,
1553 138, 139, 141, 142, 143, 144, 145, 146
1556 EXTCONST unsigned char freq[];
1561 EXTCONST char* block_type[] = {
1570 EXTCONST char* block_type[];
1574 /*****************************************************************************/
1575 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1576 /*****************************************************************************/
1577 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1590 EXT U32 lex_state; /* next token is determined */
1591 EXT U32 lex_defer; /* state after determined token */
1592 EXT expectation lex_expect; /* expect after determined token */
1593 EXT I32 lex_brackets; /* bracket count */
1594 EXT I32 lex_formbrack; /* bracket count at outer format level */
1595 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1596 EXT I32 lex_casemods; /* casemod count */
1597 EXT I32 lex_dojoin; /* doing an array interpolation */
1598 EXT I32 lex_starts; /* how many interps done on level */
1599 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1600 EXT SV * lex_repl; /* runtime replacement from s/// */
1601 EXT OP * lex_op; /* extra info to pass back on op */
1602 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1603 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1604 EXT char * lex_brackstack; /* what kind of brackets to pop */
1605 EXT char * lex_casestack; /* what kind of case mods in effect */
1607 /* What we know when we're in LEX_KNOWNEXT state. */
1608 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1609 EXT I32 nexttype[5]; /* type of next token */
1612 EXT PerlIO * VOL rsfp INIT(Nullfp);
1615 EXT char * oldbufptr;
1616 EXT char * oldoldbufptr;
1618 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1619 EXT AV * rsfp_filters;
1621 EXT I32 multi_start; /* 1st line of multi-line string */
1622 EXT I32 multi_end; /* last line of multi-line string */
1623 EXT I32 multi_open; /* delimiter of said string */
1624 EXT I32 multi_close; /* delimiter of said string */
1627 EXT I32 error_count; /* how many errors so far, max 10 */
1628 EXT I32 subline; /* line this subroutine began on */
1629 EXT SV * subname; /* name of current subroutine */
1631 EXT CV * compcv; /* currently compiling subroutine */
1632 EXT AV * comppad; /* storage for lexically scoped temporaries */
1633 EXT AV * comppad_name; /* variable names for "my" variables */
1634 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1635 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1636 EXT I32 min_intro_pending;/* start of vars to introduce */
1637 EXT I32 max_intro_pending;/* end of vars to introduce */
1638 EXT I32 padix; /* max used index in current "register" pad */
1639 EXT I32 padix_floor; /* how low may inner block reset padix */
1640 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1643 EXT I32 thisexpr; /* name id for nothing_in_common() */
1644 EXT char * last_uni; /* position of last named-unary operator */
1645 EXT char * last_lop; /* position of last list operator */
1646 EXT OPCODE last_lop_op; /* last list operator */
1647 EXT bool in_my; /* we're compiling a "my" declaration */
1649 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1652 EXT U32 hints; /* various compilation flags */
1654 /* Note: the lowest 8 bits are reserved for
1655 stuffing into op->op_private */
1656 #define HINT_INTEGER 0x00000001
1657 #define HINT_STRICT_REFS 0x00000002
1659 #define HINT_BLOCK_SCOPE 0x00000100
1660 #define HINT_STRICT_SUBS 0x00000200
1661 #define HINT_STRICT_VARS 0x00000400
1662 #define HINT_LOCALE 0x00000800
1664 /**************************************************************************/
1665 /* This regexp stuff is global since it always happens within 1 expr eval */
1666 /**************************************************************************/
1668 EXT char * regprecomp; /* uncompiled string. */
1669 EXT char * regparse; /* Input-scan pointer. */
1670 EXT char * regxend; /* End of input for compile */
1671 EXT I32 regnpar; /* () count. */
1672 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1673 EXT I32 regsize; /* Code size. */
1674 EXT I32 regnaughty; /* How bad is this pattern? */
1675 EXT I32 regsawback; /* Did we see \1, ...? */
1677 EXT char * reginput; /* String-input pointer. */
1678 EXT char * regbol; /* Beginning of input, for ^ check. */
1679 EXT char * regeol; /* End of input, for $ check. */
1680 EXT char ** regstartp; /* Pointer to startp array. */
1681 EXT char ** regendp; /* Ditto for endp. */
1682 EXT U32 * reglastparen; /* Similarly for lastparen. */
1683 EXT char * regtill; /* How far we are required to go. */
1684 EXT U16 regflags; /* are we folding, multilining? */
1685 EXT char regprev; /* char before regbol, \n if none */
1687 EXT bool do_undump; /* -u or dump seen? */
1690 /***********************************************/
1691 /* Global only to current interpreter instance */
1692 /***********************************************/
1697 struct interpreter {
1700 #define IINIT(x) INIT(x)
1703 /* pseudo environmental stuff */
1705 IEXT char ** Iorigargv;
1709 IEXT char * Iorigfilename;
1711 IEXT SV * Iwarnhook;
1712 IEXT SV * Iparsehook;
1714 /* Various states of an input record separator SV (rs, nrs) */
1715 #define RsSNARF(sv) (! SvOK(sv))
1716 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1717 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1722 IEXT char Ipatchlevel[10];
1723 IEXT char ** Ilocalpatches;
1725 IEXT char * Isplitstr IINIT(" ");
1726 IEXT bool Ipreprocess;
1732 IEXT bool Idoswitches;
1734 IEXT bool Idoextract;
1735 IEXT bool Isawampersand; /* must save all match strings */
1736 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1739 IEXT char * Iinplace;
1740 IEXT char * Ie_tmpname;
1741 IEXT PerlIO * Ie_fp;
1743 /* This value may be raised by extensions for testing purposes */
1744 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1746 /* magical thingies */
1747 IEXT Time_t Ibasetime; /* $^T */
1748 IEXT SV * Iformfeed; /* $^L */
1749 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1750 IEXT SV * Irs; /* $/ */
1751 IEXT char * Iofs; /* $, */
1752 IEXT STRLEN Iofslen;
1753 IEXT char * Iors; /* $\ */
1754 IEXT STRLEN Iorslen;
1755 IEXT char * Iofmt; /* $# */
1756 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1757 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1758 IEXT I32 Istatusvalue; /* $? */
1760 IEXT U32 Istatusvalue_vms;
1763 IEXT struct stat Istatcache; /* _ */
1765 IEXT SV * Istatname IINIT(Nullsv);
1767 /* shortcuts to various I/O objects */
1769 IEXT GV * Ilast_in_gv;
1772 IEXT GV * Idefoutgv;
1773 IEXT GV * Iargvoutgv;
1775 /* shortcuts to regexp stuff */
1779 IEXT PMOP * Icurpm; /* what to do \ interps from */
1780 IEXT I32 * Iscreamfirst;
1781 IEXT I32 * Iscreamnext;
1782 IEXT I32 Imaxscream IINIT(-1);
1783 IEXT SV * Ilastscream;
1785 /* shortcuts to misc objects */
1788 /* shortcuts to debugging objects */
1792 IEXT SV * IDBsingle;
1794 IEXT SV * IDBsignal;
1795 IEXT AV * Ilineary; /* lines of script for debugger */
1796 IEXT AV * Idbargs; /* args to call listed by caller function */
1799 IEXT HV * Idefstash; /* main symbol table */
1800 IEXT HV * Icurstash; /* symbol table for current package */
1801 IEXT HV * Idebstash; /* symbol table for perldb package */
1802 IEXT SV * Icurstname; /* name of current package */
1803 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1804 IEXT AV * Iendav; /* names of END subroutines */
1805 IEXT HV * Istrtab; /* shared string table */
1807 /* memory management */
1808 IEXT SV ** Itmps_stack;
1809 IEXT I32 Itmps_ix IINIT(-1);
1810 IEXT I32 Itmps_floor IINIT(-1);
1812 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1813 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1814 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1815 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1817 /* funky return mechanisms */
1818 IEXT I32 Ilastspbase;
1820 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1822 /* subprocess state */
1823 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1825 /* internal state */
1826 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1827 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1828 IEXT int Idelaymagic; /* ($<,$>) = ... */
1829 IEXT bool Idirty; /* In the middle of tearing things down? */
1830 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1831 IEXT bool Itainted; /* using variables controlled by $< */
1832 IEXT bool Itainting; /* doing taint checks */
1833 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1837 IEXT I32 Idlmax IINIT(128);
1838 IEXT char * Idebname;
1839 IEXT char * Idebdelim;
1841 /* current interpreter roots */
1843 IEXT OP * Imain_root;
1844 IEXT OP * Imain_start;
1845 IEXT OP * Ieval_root;
1846 IEXT OP * Ieval_start;
1848 /* runtime control stuff */
1849 IEXT COP * VOL Icurcop IINIT(&compiling);
1850 IEXT COP * Icurcopdb IINIT(NULL);
1851 IEXT line_t Icopline IINIT(NOLINE);
1852 IEXT CONTEXT * Icxstack;
1853 IEXT I32 Icxstack_ix IINIT(-1);
1854 IEXT I32 Icxstack_max IINIT(128);
1855 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1856 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1860 IEXT AV * Icurstack; /* THE STACK */
1861 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1862 IEXT SV ** Imystack_base; /* stack->array_ary */
1863 IEXT SV ** Imystack_sp; /* stack pointer now */
1864 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1866 /* format accumulators */
1867 IEXT SV * Iformtarget;
1868 IEXT SV * Ibodytarget;
1869 IEXT SV * Itoptarget;
1871 /* statics moved here for shared library purposes */
1872 IEXT SV Istrchop; /* return value from chop */
1873 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1874 IEXT int Ilastfd; /* what to preserve mode on */
1875 IEXT char * Ioldname; /* what to preserve mode on */
1876 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1877 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1878 IEXT OP * Isortcop; /* user defined sort routine */
1879 IEXT HV * Isortstash; /* which is in some package or other */
1880 IEXT GV * Ifirstgv; /* $a */
1881 IEXT GV * Isecondgv; /* $b */
1882 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1883 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1884 IEXT SV * Imystrk; /* temp key string for do_each() */
1885 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1886 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1887 IEXT I32 Igensym; /* next symbol for getsym() to define */
1888 IEXT bool Ipreambled;
1889 IEXT AV * Ipreambleav;
1890 IEXT int Ilaststatval IINIT(-1);
1891 IEXT I32 Ilaststype IINIT(OP_STAT);
1900 struct interpreter {
1914 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1915 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1917 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1918 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1925 /* The following must follow proto.h */
1929 EXT MGVTBL vtbl_sv = {magic_get,
1933 EXT MGVTBL vtbl_env = {0, 0, 0, magic_clear_all_env,
1935 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1938 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1939 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1943 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1945 EXT MGVTBL vtbl_packelem = {magic_getpack,
1949 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1951 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1953 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1955 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1958 EXT MGVTBL vtbl_glob = {magic_getglob,
1961 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1963 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1965 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1967 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1969 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1971 EXT MGVTBL vtbl_pos = {magic_getpos,
1974 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1976 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1978 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1981 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
1982 0, 0, magic_freedefelem};
1984 #ifdef USE_LOCALE_COLLATE
1985 EXT MGVTBL vtbl_collxfrm = {0,
1991 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1992 0, 0, magic_setamagic};
1993 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1994 0, 0, magic_setamagic};
1995 #endif /* OVERLOAD */
2000 EXT MGVTBL vtbl_env;
2001 EXT MGVTBL vtbl_envelem;
2002 EXT MGVTBL vtbl_sig;
2003 EXT MGVTBL vtbl_sigelem;
2004 EXT MGVTBL vtbl_pack;
2005 EXT MGVTBL vtbl_packelem;
2006 EXT MGVTBL vtbl_dbline;
2007 EXT MGVTBL vtbl_isa;
2008 EXT MGVTBL vtbl_isaelem;
2009 EXT MGVTBL vtbl_arylen;
2010 EXT MGVTBL vtbl_glob;
2011 EXT MGVTBL vtbl_mglob;
2012 EXT MGVTBL vtbl_nkeys;
2013 EXT MGVTBL vtbl_taint;
2014 EXT MGVTBL vtbl_substr;
2015 EXT MGVTBL vtbl_vec;
2016 EXT MGVTBL vtbl_pos;
2019 EXT MGVTBL vtbl_uvar;
2020 EXT MGVTBL vtbl_defelem;
2022 #ifdef USE_LOCALE_COLLATE
2023 EXT MGVTBL vtbl_collxfrm;
2027 EXT MGVTBL vtbl_amagic;
2028 EXT MGVTBL vtbl_amagicelem;
2029 #endif /* OVERLOAD */
2031 #endif /* !DOINIT */
2035 EXT long amagic_generation;
2037 #define NofAMmeth 58
2039 EXTCONST char * AMG_names[NofAMmeth] = {
2040 "fallback", "abs", /* "fallback" should be the first. */
2071 EXTCONST char * AMG_names[NofAMmeth];
2072 #endif /* def INITAMAGIC */
2078 CV* table[NofAMmeth];
2081 struct am_table_short {
2086 typedef struct am_table AMT;
2087 typedef struct am_table_short AMTS;
2089 #define AMGfallNEVER 1
2091 #define AMGfallYES 3
2093 #define AMTf_AMAGIC 1
2094 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2095 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2096 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2099 fallback_amg, abs_amg,
2100 bool__amg, nomethod_amg,
2101 string_amg, numer_amg,
2102 add_amg, add_ass_amg,
2103 subtr_amg, subtr_ass_amg,
2104 mult_amg, mult_ass_amg,
2105 div_amg, div_ass_amg,
2106 mod_amg, mod_ass_amg,
2107 pow_amg, pow_ass_amg,
2108 lshift_amg, lshift_ass_amg,
2109 rshift_amg, rshift_ass_amg,
2110 band_amg, band_ass_amg,
2111 bor_amg, bor_ass_amg,
2112 bxor_amg, bxor_ass_amg,
2125 repeat_amg, repeat_ass_amg,
2126 concat_amg, concat_ass_amg,
2131 * some compilers like to redefine cos et alia as faster
2132 * (and less accurate?) versions called F_cos et cetera (Quidquid
2133 * latine dictum sit, altum viditur.) This trick collides with
2134 * the Perl overloading (amg). The following #defines fool both.
2139 # define F_atan2_amg atan2_amg
2142 # define F_cos_amg cos_amg
2145 # define F_exp_amg exp_amg
2148 # define F_log_amg log_amg
2151 # define F_pow_amg pow_amg
2154 # define F_sin_amg sin_amg
2157 # define F_sqrt_amg sqrt_amg
2159 #endif /* _FASTMATH */
2161 #endif /* OVERLOAD */
2163 #define PERLDB_ALL 0xff
2164 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2165 #define PERLDBf_LINE 0x02 /* Keep line #. */
2166 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2167 #define PERLDBf_INTER 0x08 /* Preserve more data for
2168 later inspections. */
2169 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2170 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2172 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2173 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2174 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2175 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2176 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2177 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2179 #ifdef USE_LOCALE_COLLATE
2180 EXT U32 collation_ix; /* Collation generation index */
2181 EXT char * collation_name; /* Name of current collation */
2182 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2183 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2184 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2185 #endif /* USE_LOCALE_COLLATE */
2187 #ifdef USE_LOCALE_NUMERIC
2189 EXT char * numeric_name; /* Name of current numeric locale */
2190 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2191 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2193 #define SET_NUMERIC_STANDARD() \
2195 if (! numeric_standard) \
2196 perl_set_numeric_standard(); \
2199 #define SET_NUMERIC_LOCAL() \
2201 if (! numeric_local) \
2202 perl_set_numeric_local(); \
2205 #else /* !USE_LOCALE_NUMERIC */
2207 #define SET_NUMERIC_STANDARD() /**/
2208 #define SET_NUMERIC_LOCAL() /**/
2210 #endif /* !USE_LOCALE_NUMERIC */
2212 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2214 * Now we have __attribute__ out of the way
2217 #define printf PerlIO_stdoutf
2220 #endif /* Include guard */