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 _XOPEN_VERSION >= 4
264 # define Sock_size_t Size_t
266 # define Sock_size_t int
269 #if defined(STANDARD_C) && defined(I_STDDEF)
271 # define STRUCT_OFFSET(s,m) offsetof(s,m)
273 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
276 #if defined(I_STRING) || defined(__cplusplus)
279 # include <strings.h>
282 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
284 #define strrchr rindex
292 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
294 extern char * memcpy _((char*, char*, int));
300 # define memcpy(d,s,l) bcopy(s,d,l)
302 # define memcpy(d,s,l) my_bcopy(s,d,l)
305 #endif /* HAS_MEMCPY */
308 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
310 extern char *memset _((char*, int, int));
313 # define memzero(d,l) memset(d,0,l)
317 # define memzero(d,l) bzero(d,l)
319 # define memzero(d,l) my_bzero(d,l)
322 #endif /* HAS_MEMSET */
324 #if !defined(HAS_MEMMOVE) && !defined(memmove)
325 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
326 # define memmove(d,s,l) bcopy(s,d,l)
328 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
329 # define memmove(d,s,l) memcpy(d,s,l)
331 # define memmove(d,s,l) my_bcopy(s,d,l)
336 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
340 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
341 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
343 extern int memcmp _((char*, char*, int));
347 # pragma function(memcmp)
351 # define memcmp my_memcmp
353 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
357 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
359 #endif /* !HAS_BCMP */
362 # include <netinet/in.h>
366 #include <sys/stat.h>
369 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
370 like UTekV) are broken, sometimes giving false positives. Undefine
371 them here and let the code below set them to proper values.
373 The ghs macro stands for GreenHills Software C-1.8.5 which
374 is the C compiler for sysV88 and the various derivatives.
375 This header file bug is corrected in gcc-2.5.8 and later versions.
376 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
378 #if defined(uts) || (defined(m88k) && defined(ghs))
392 # ifdef I_SYS_TIME_KERNEL
395 # include <sys/time.h>
396 # ifdef I_SYS_TIME_KERNEL
401 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
402 # include <sys/times.h>
405 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
411 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
413 #endif /* !HAS_MKFIFO */
418 # include <net/errno.h>
423 # define SETERRNO(errcode,vmserrcode) \
425 set_errno(errcode); \
426 set_vaxc_errno(vmserrcode); \
429 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
433 extern int errno; /* ANSI allows errno to be an lvalue expr */
438 char *strerror _((int,...));
440 #ifndef DONT_DECLARE_STD
441 char *strerror _((int));
445 # define Strerror strerror
448 # ifdef HAS_SYS_ERRLIST
450 extern char *sys_errlist[];
452 # define Strerror(e) \
453 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
460 # include <sys/ioctl.h>
464 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
465 # ifdef HAS_SOCKETPAIR
466 # undef HAS_SOCKETPAIR
481 /* Configure already sets Direntry_t */
482 #if defined(I_DIRENT)
484 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
485 # include <sys/dir.h>
489 # include <sys/ndir.h>
493 # include <ndir.h> /* may be wrong in the future */
495 # include <sys/dir.h>
502 /* work around botch in SunOS 4.0.1 and 4.0.2 */
504 # define fputs(sv,fp) fprintf(fp,"%s",sv)
509 * The following gobbledygook brought to you on behalf of __STDC__.
510 * (I could just use #ifndef __STDC__, but this is more bulletproof
511 * in the face of half-implementations.)
516 # define S_IFMT _S_IFMT
518 # define S_IFMT 0170000
523 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
527 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
532 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
534 # define S_ISBLK(m) (0)
539 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
544 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
546 # define S_ISFIFO(m) (0)
552 # define S_ISLNK(m) _S_ISLNK(m)
555 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
558 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
560 # define S_ISLNK(m) (0)
568 # define S_ISSOCK(m) _S_ISSOCK(m)
571 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
574 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
576 # define S_ISSOCK(m) (0)
584 # define S_IRUSR S_IREAD
585 # define S_IWUSR S_IWRITE
586 # define S_IXUSR S_IEXEC
588 # define S_IRUSR 0400
589 # define S_IWUSR 0200
590 # define S_IXUSR 0100
592 # define S_IRGRP (S_IRUSR>>3)
593 # define S_IWGRP (S_IWUSR>>3)
594 # define S_IXGRP (S_IXUSR>>3)
595 # define S_IROTH (S_IRUSR>>6)
596 # define S_IWOTH (S_IWUSR>>6)
597 # define S_IXOTH (S_IXUSR>>6)
601 # define S_ISUID 04000
605 # define S_ISGID 02000
612 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
613 # define SLOPPYDIVIDE
620 /* XXX QUAD stuff is not currently supported on most systems.
621 Specifically, perl internals don't support long long. Among
622 the many problems is that some compilers support long long,
623 but the underlying library functions (such as sprintf) don't.
624 Some things do work (such as quad pack/unpack on convex);
625 also some systems use long long for the fpos_t typedef. That
628 The IV type is supposed to be long enough to hold any integral
630 --Andy Dougherty August 1996
637 # define Quad_t long long
639 # if BYTEORDER > 0xFFFF
648 typedef unsigned Quad_t UV;
649 # define IV_MAX PERL_QUAD_MAX
650 # define IV_MIN PERL_QUAD_MIN
651 # define UV_MAX PERL_UQUAD_MAX
652 # define UV_MIN PERL_UQUAD_MIN
655 typedef unsigned long UV;
656 # define IV_MAX PERL_LONG_MAX
657 # define IV_MIN PERL_LONG_MIN
658 # define UV_MAX PERL_ULONG_MAX
659 # define UV_MIN PERL_ULONG_MIN
662 /* Previously these definitions used hardcoded figures.
663 * It is hoped these formula are more portable, although
664 * no data one way or another is presently known to me.
665 * The "PERL_" names are used because these calculated constants
666 * do not meet the ANSI requirements for LONG_MAX, etc., which
667 * need to be constants acceptable to #if - kja
668 * define PERL_LONG_MAX 2147483647L
669 * define PERL_LONG_MIN (-LONG_MAX - 1)
670 * define PERL ULONG_MAX 4294967295L
673 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
682 * Try to figure out max and min values for the integral types. THE CORRECT
683 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
684 * following hacks are used if neither limits.h or values.h provide them:
685 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
686 * for types < int: (unsigned TYPE)~(unsigned)0
687 * The argument to ~ must be unsigned so that later signed->unsigned
688 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
689 * and it must not be smaller than int because ~ does integral promotion.
690 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
691 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
692 * The latter is a hack which happens to work on some machines but
693 * does *not* catch any random system, or things like integer types
694 * with NaN if that is possible.
696 * All of the types are explicitly cast to prevent accidental loss of
697 * numeric range, and in the hope that they will be less likely to confuse
698 * over-eager optimizers.
702 #define PERL_UCHAR_MIN ((unsigned char)0)
705 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
708 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
710 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
715 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
716 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
717 * depending on local options. Until Configure detects this (or at least
718 * detects whether the "signed" keyword is available) the CHAR ranges
719 * will not be included. UCHAR functions normally.
723 #define PERL_USHORT_MIN ((unsigned short)0)
726 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
729 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
731 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
736 # define PERL_SHORT_MAX ((short)SHORT_MAX)
738 # ifdef MAXSHORT /* Often used in <values.h> */
739 # define PERL_SHORT_MAX ((short)MAXSHORT)
741 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
746 # define PERL_SHORT_MIN ((short)SHORT_MIN)
749 # define PERL_SHORT_MIN ((short)MINSHORT)
751 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
756 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
759 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
761 # define PERL_UINT_MAX (~(unsigned int)0)
765 #define PERL_UINT_MIN ((unsigned int)0)
768 # define PERL_INT_MAX ((int)INT_MAX)
770 # ifdef MAXINT /* Often used in <values.h> */
771 # define PERL_INT_MAX ((int)MAXINT)
773 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
778 # define PERL_INT_MIN ((int)INT_MIN)
781 # define PERL_INT_MIN ((int)MININT)
783 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
788 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
791 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
793 # define PERL_ULONG_MAX (~(unsigned long)0)
797 #define PERL_ULONG_MIN ((unsigned long)0L)
800 # define PERL_LONG_MAX ((long)LONG_MAX)
802 # ifdef MAXLONG /* Often used in <values.h> */
803 # define PERL_LONG_MAX ((long)MAXLONG)
805 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
810 # define PERL_LONG_MIN ((long)LONG_MIN)
813 # define PERL_LONG_MIN ((long)MINLONG)
815 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
822 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
824 # define PERL_UQUAD_MAX (~(UV)0)
827 # define PERL_UQUAD_MIN ((UV)0)
830 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
832 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
836 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
838 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
843 typedef MEM_SIZE STRLEN;
845 typedef struct op OP;
846 typedef struct cop COP;
847 typedef struct unop UNOP;
848 typedef struct binop BINOP;
849 typedef struct listop LISTOP;
850 typedef struct logop LOGOP;
851 typedef struct condop CONDOP;
852 typedef struct pmop PMOP;
853 typedef struct svop SVOP;
854 typedef struct gvop GVOP;
855 typedef struct pvop PVOP;
856 typedef struct loop LOOP;
858 typedef struct Outrec Outrec;
859 typedef struct interpreter PerlInterpreter;
860 typedef struct ff FF;
861 typedef struct sv SV;
862 typedef struct av AV;
863 typedef struct hv HV;
864 typedef struct cv CV;
865 typedef struct regexp REGEXP;
866 typedef struct gp GP;
867 typedef struct gv GV;
868 typedef struct io IO;
869 typedef struct context CONTEXT;
870 typedef struct block BLOCK;
872 typedef struct magic MAGIC;
873 typedef struct xrv XRV;
874 typedef struct xpv XPV;
875 typedef struct xpviv XPVIV;
876 typedef struct xpvuv XPVUV;
877 typedef struct xpvnv XPVNV;
878 typedef struct xpvmg XPVMG;
879 typedef struct xpvlv XPVLV;
880 typedef struct xpvav XPVAV;
881 typedef struct xpvhv XPVHV;
882 typedef struct xpvgv XPVGV;
883 typedef struct xpvcv XPVCV;
884 typedef struct xpvbm XPVBM;
885 typedef struct xpvfm XPVFM;
886 typedef struct xpvio XPVIO;
887 typedef struct mgvtbl MGVTBL;
888 typedef union any ANY;
892 typedef I32 (*filter_t) _((int, SV *, int));
893 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
894 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
895 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
908 # include "./plan9/plan9ish.h"
910 # include "unixish.h"
916 # define STATUS_NATIVE statusvalue_vms
917 # define STATUS_NATIVE_EXPORT \
918 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
919 # define STATUS_NATIVE_SET(n) \
921 statusvalue_vms = (n); \
922 if ((I32)statusvalue_vms == -1) \
924 else if (statusvalue_vms & STS$M_SUCCESS) \
926 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
927 statusvalue = 1 << 8; \
929 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
931 # define STATUS_POSIX statusvalue
932 # ifdef VMSISH_STATUS
933 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
935 # define STATUS_CURRENT STATUS_POSIX
937 # define STATUS_POSIX_SET(n) \
940 if (statusvalue != -1) { \
941 statusvalue &= 0xFFFF; \
942 statusvalue_vms = statusvalue ? 44 : 1; \
944 else statusvalue_vms = -1; \
946 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
947 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
949 # define STATUS_NATIVE STATUS_POSIX
950 # define STATUS_NATIVE_EXPORT STATUS_POSIX
951 # define STATUS_NATIVE_SET STATUS_POSIX_SET
952 # define STATUS_POSIX statusvalue
953 # define STATUS_POSIX_SET(n) \
956 if (statusvalue != -1) \
957 statusvalue &= 0xFFFF; \
959 # define STATUS_CURRENT STATUS_POSIX
960 # define STATUS_ALL_SUCCESS (statusvalue = 0)
961 # define STATUS_ALL_FAILURE (statusvalue = 1)
964 /* Some unistd.h's give a prototype for pause() even though
965 HAS_PAUSE ends up undefined. This causes the #define
966 below to be rejected by the compmiler. Sigh.
971 #define Pause() sleep((32767<<16)+32767)
976 /* on BSDish systes we're safe */
977 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
979 /* otherwise guess at what's safe */
980 # define IOCPARM_LEN(x) 256
989 void (*any_dptr) _((void*));
1006 /* work around some libPW problems */
1011 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1015 #if defined(htonl) && !defined(HAS_HTONL)
1018 #if defined(htons) && !defined(HAS_HTONS)
1021 #if defined(ntohl) && !defined(HAS_NTOHL)
1024 #if defined(ntohs) && !defined(HAS_NTOHS)
1028 #if (BYTEORDER & 0xffff) != 0x4321
1034 #define htons my_swap
1035 #define htonl my_htonl
1036 #define ntohs my_swap
1037 #define ntohl my_ntohl
1040 #if (BYTEORDER & 0xffff) == 0x4321
1049 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1052 #if BYTEORDER != 0x1234
1057 # if BYTEORDER == 0x4321
1058 # define vtohl(x) ((((x)&0xFF)<<24) \
1060 +(((x)&0x0000FF00)<<8) \
1061 +(((x)&0x00FF0000)>>8) )
1062 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1063 # define htovl(x) vtohl(x)
1064 # define htovs(x) vtohs(x)
1066 /* otherwise default to functions in util.c */
1070 #define U_S(what) ((U16)(what))
1071 #define U_I(what) ((unsigned int)(what))
1072 #define U_L(what) ((U32)(what))
1077 U32 cast_ulong _((double));
1081 #define U_S(what) ((U16)cast_ulong((double)(what)))
1082 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1083 #define U_L(what) (cast_ulong((double)(what)))
1087 #define I_32(what) ((I32)(what))
1088 #define I_V(what) ((IV)(what))
1089 #define U_V(what) ((UV)(what))
1094 I32 cast_i32 _((double));
1095 IV cast_iv _((double));
1096 UV cast_uv _((double));
1100 #define I_32(what) (cast_i32((double)(what)))
1101 #define I_V(what) (cast_iv((double)(what)))
1102 #define U_V(what) (cast_uv((double)(what)))
1116 # define TMPPATH "/tmp/perl-eXXXXXX"
1120 Uid_t getuid _((void));
1121 Uid_t geteuid _((void));
1122 Gid_t getgid _((void));
1123 Gid_t getegid _((void));
1127 #ifndef Perl_debug_log
1128 #define Perl_debug_log PerlIO_stderr()
1132 #define DEBUG(a) if (debug) a
1133 #define DEBUG_p(a) if (debug & 1) a
1134 #define DEBUG_s(a) if (debug & 2) a
1135 #define DEBUG_l(a) if (debug & 4) a
1136 #define DEBUG_t(a) if (debug & 8) a
1137 #define DEBUG_o(a) if (debug & 16) a
1138 #define DEBUG_c(a) if (debug & 32) a
1139 #define DEBUG_P(a) if (debug & 64) a
1140 #define DEBUG_m(a) if (curinterp && debug & 128) a
1141 #define DEBUG_f(a) if (debug & 256) a
1142 #define DEBUG_r(a) if (debug & 512) a
1143 #define DEBUG_x(a) if (debug & 1024) a
1144 #define DEBUG_u(a) if (debug & 2048) a
1145 #define DEBUG_L(a) if (debug & 4096) a
1146 #define DEBUG_H(a) if (debug & 8192) a
1147 #define DEBUG_X(a) if (debug & 16384) a
1148 #define DEBUG_D(a) if (debug & 32768) a
1169 #define YYMAXDEPTH 300
1171 #ifndef assert /* <assert.h> might have been included somehow */
1172 #define assert(what) DEB( { \
1174 croak("Assertion failed: file \"%s\", line %d", \
1175 __FILE__, __LINE__); \
1181 I32 (*uf_val)_((IV, SV*));
1182 I32 (*uf_set)_((IV, SV*));
1186 /* Fix these up for __STDC__ */
1187 #ifndef DONT_DECLARE_STD
1188 char *mktemp _((char*));
1189 double atof _((const char*));
1193 /* All of these are in stdlib.h or time.h for ANSI C */
1195 struct tm *gmtime(), *localtime();
1196 char *strchr(), *strrchr();
1197 char *strcpy(), *strcat();
1198 #endif /* ! STANDARD_C */
1207 double exp _((double));
1208 double log _((double));
1209 double sqrt _((double));
1210 double modf _((double,double*));
1211 double sin _((double));
1212 double cos _((double));
1213 double atan2 _((double,double));
1214 double pow _((double,double));
1221 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1222 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1224 char *crypt _((const char*, const char*));
1226 #ifndef DONT_DECLARE_STD
1228 char *getenv _((const char*));
1230 Off_t lseek _((int,Off_t,int));
1232 char *getlogin _((void));
1235 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1236 #define UNLINK unlnk
1237 I32 unlnk _((char*));
1239 #define UNLINK unlink
1242 #ifndef HAS_SETREUID
1243 # ifdef HAS_SETRESUID
1244 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1245 # define HAS_SETREUID
1248 #ifndef HAS_SETREGID
1249 # ifdef HAS_SETRESGID
1250 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1251 # define HAS_SETREGID
1255 typedef Signal_t (*Sighandler_t) _((int));
1257 #ifdef HAS_SIGACTION
1258 typedef struct sigaction Sigsave_t;
1260 typedef Sighandler_t Sigsave_t;
1272 # ifndef DEBUGGING_MSTATS
1273 # define DEBUGGING_MSTATS
1276 # define PAD_SV(po) pad_sv(po)
1278 # define PAD_SV(po) curpad[po]
1286 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1287 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1288 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1289 #ifndef DONT_DECLARE_STD
1290 extern char ** environ; /* environment variables supplied via exec */
1293 # if defined(NeXT) && defined(__DYNAMIC__)
1295 # include <mach-o/dyld.h>
1296 EXT char *** environ_pointer;
1297 # define environ (*environ_pointer)
1299 #endif /* environ processing */
1301 EXT int uid; /* current real user id */
1302 EXT int euid; /* current effective user id */
1303 EXT int gid; /* current real group id */
1304 EXT int egid; /* current effective group id */
1305 EXT bool nomemok; /* let malloc context handle nomem */
1306 EXT U32 an; /* malloc sequence number */
1307 EXT U32 cop_seqmax; /* statement sequence number */
1308 EXT U16 op_seqmax; /* op sequence number */
1309 EXT U32 evalseq; /* eval sequence number */
1310 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1311 EXT char ** origenviron;
1313 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1314 EXT U32 * profiledata;
1315 EXT int maxo INIT(MAXO);/* Number of ops */
1316 EXT char * osname; /* operating system */
1317 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1319 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1320 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1321 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1322 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1323 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1324 EXT HE * he_root; /* free he list--shared by interpreters */
1325 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1326 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1328 /* Stack for currently executing thread--context switch must handle this. */
1329 EXT SV ** stack_base; /* stack->array_ary */
1330 EXT SV ** stack_sp; /* stack pointer now */
1331 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1333 /* likewise for these */
1335 EXT OP * op; /* current op--oughta be in a global register */
1337 EXT I32 * scopestack; /* blocks we've entered */
1338 EXT I32 scopestack_ix;
1339 EXT I32 scopestack_max;
1341 EXT ANY* savestack; /* to save non-local values on */
1342 EXT I32 savestack_ix;
1343 EXT I32 savestack_max;
1345 EXT OP ** retstack; /* returns we've pushed */
1346 EXT I32 retstack_ix;
1347 EXT I32 retstack_max;
1349 EXT I32 * markstack; /* stackmarks we're remembering */
1350 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1351 EXT I32 * markstack_max; /* stackmarks we're remembering */
1358 EXT char buf[2048]; /* should be longer than PATH_MAX */
1359 EXT char tokenbuf[256];
1360 EXT struct stat statbuf;
1362 EXT struct tms timesbuf;
1364 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1366 /* for tmp use in stupid debuggers */
1371 /* handy constants */
1372 EXTCONST char * Yes INIT("1");
1373 EXTCONST char * No INIT("");
1374 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1375 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1376 EXTCONST char * vert INIT("|");
1378 EXTCONST char warn_uninit[]
1379 INIT("Use of uninitialized value");
1380 EXTCONST char warn_nosemi[]
1381 INIT("Semicolon seems to be missing");
1382 EXTCONST char warn_reserved[]
1383 INIT("Unquoted string \"%s\" may clash with future reserved word");
1384 EXTCONST char warn_nl[]
1385 INIT("Unsuccessful %s on filename containing newline");
1386 EXTCONST char no_wrongref[]
1387 INIT("Can't use %s ref as %s ref");
1388 EXTCONST char no_symref[]
1389 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1390 EXTCONST char no_usym[]
1391 INIT("Can't use an undefined value as %s reference");
1392 EXTCONST char no_aelem[]
1393 INIT("Modification of non-creatable array value attempted, subscript %d");
1394 EXTCONST char no_helem[]
1395 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1396 EXTCONST char no_modify[]
1397 INIT("Modification of a read-only value attempted");
1398 EXTCONST char no_mem[]
1399 INIT("Out of memory!\n");
1400 EXTCONST char no_security[]
1401 INIT("Insecure dependency in %s%s");
1402 EXTCONST char no_sock_func[]
1403 INIT("Unsupported socket function \"%s\" called");
1404 EXTCONST char no_dir_func[]
1405 INIT("Unsupported directory function \"%s\" called");
1406 EXTCONST char no_func[]
1407 INIT("The %s function is unimplemented");
1408 EXTCONST char no_myglob[]
1409 INIT("\"my\" variable %s can't be in a package");
1415 EXT char * cshname INIT(CSH);
1420 EXT char *sig_name[] = { SIG_NAME };
1421 EXT int sig_num[] = { SIG_NUM };
1422 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1423 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1425 EXT char *sig_name[];
1427 EXT SV * psig_ptr[];
1428 EXT SV * psig_name[];
1431 /* fast case folding tables */
1434 EXTCONST unsigned char fold[] = {
1435 0, 1, 2, 3, 4, 5, 6, 7,
1436 8, 9, 10, 11, 12, 13, 14, 15,
1437 16, 17, 18, 19, 20, 21, 22, 23,
1438 24, 25, 26, 27, 28, 29, 30, 31,
1439 32, 33, 34, 35, 36, 37, 38, 39,
1440 40, 41, 42, 43, 44, 45, 46, 47,
1441 48, 49, 50, 51, 52, 53, 54, 55,
1442 56, 57, 58, 59, 60, 61, 62, 63,
1443 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1444 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1445 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1446 'x', 'y', 'z', 91, 92, 93, 94, 95,
1447 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1448 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1449 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1450 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1451 128, 129, 130, 131, 132, 133, 134, 135,
1452 136, 137, 138, 139, 140, 141, 142, 143,
1453 144, 145, 146, 147, 148, 149, 150, 151,
1454 152, 153, 154, 155, 156, 157, 158, 159,
1455 160, 161, 162, 163, 164, 165, 166, 167,
1456 168, 169, 170, 171, 172, 173, 174, 175,
1457 176, 177, 178, 179, 180, 181, 182, 183,
1458 184, 185, 186, 187, 188, 189, 190, 191,
1459 192, 193, 194, 195, 196, 197, 198, 199,
1460 200, 201, 202, 203, 204, 205, 206, 207,
1461 208, 209, 210, 211, 212, 213, 214, 215,
1462 216, 217, 218, 219, 220, 221, 222, 223,
1463 224, 225, 226, 227, 228, 229, 230, 231,
1464 232, 233, 234, 235, 236, 237, 238, 239,
1465 240, 241, 242, 243, 244, 245, 246, 247,
1466 248, 249, 250, 251, 252, 253, 254, 255
1469 EXTCONST unsigned char fold[];
1473 EXT unsigned char fold_locale[] = {
1474 0, 1, 2, 3, 4, 5, 6, 7,
1475 8, 9, 10, 11, 12, 13, 14, 15,
1476 16, 17, 18, 19, 20, 21, 22, 23,
1477 24, 25, 26, 27, 28, 29, 30, 31,
1478 32, 33, 34, 35, 36, 37, 38, 39,
1479 40, 41, 42, 43, 44, 45, 46, 47,
1480 48, 49, 50, 51, 52, 53, 54, 55,
1481 56, 57, 58, 59, 60, 61, 62, 63,
1482 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1483 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1484 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1485 'x', 'y', 'z', 91, 92, 93, 94, 95,
1486 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1487 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1488 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1489 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1490 128, 129, 130, 131, 132, 133, 134, 135,
1491 136, 137, 138, 139, 140, 141, 142, 143,
1492 144, 145, 146, 147, 148, 149, 150, 151,
1493 152, 153, 154, 155, 156, 157, 158, 159,
1494 160, 161, 162, 163, 164, 165, 166, 167,
1495 168, 169, 170, 171, 172, 173, 174, 175,
1496 176, 177, 178, 179, 180, 181, 182, 183,
1497 184, 185, 186, 187, 188, 189, 190, 191,
1498 192, 193, 194, 195, 196, 197, 198, 199,
1499 200, 201, 202, 203, 204, 205, 206, 207,
1500 208, 209, 210, 211, 212, 213, 214, 215,
1501 216, 217, 218, 219, 220, 221, 222, 223,
1502 224, 225, 226, 227, 228, 229, 230, 231,
1503 232, 233, 234, 235, 236, 237, 238, 239,
1504 240, 241, 242, 243, 244, 245, 246, 247,
1505 248, 249, 250, 251, 252, 253, 254, 255
1508 EXT unsigned char fold_locale[];
1512 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1513 1, 2, 84, 151, 154, 155, 156, 157,
1514 165, 246, 250, 3, 158, 7, 18, 29,
1515 40, 51, 62, 73, 85, 96, 107, 118,
1516 129, 140, 147, 148, 149, 150, 152, 153,
1517 255, 182, 224, 205, 174, 176, 180, 217,
1518 233, 232, 236, 187, 235, 228, 234, 226,
1519 222, 219, 211, 195, 188, 193, 185, 184,
1520 191, 183, 201, 229, 181, 220, 194, 162,
1521 163, 208, 186, 202, 200, 218, 198, 179,
1522 178, 214, 166, 170, 207, 199, 209, 206,
1523 204, 160, 212, 216, 215, 192, 175, 173,
1524 243, 172, 161, 190, 203, 189, 164, 230,
1525 167, 248, 227, 244, 242, 255, 241, 231,
1526 240, 253, 169, 210, 245, 237, 249, 247,
1527 239, 168, 252, 251, 254, 238, 223, 221,
1528 213, 225, 177, 197, 171, 196, 159, 4,
1529 5, 6, 8, 9, 10, 11, 12, 13,
1530 14, 15, 16, 17, 19, 20, 21, 22,
1531 23, 24, 25, 26, 27, 28, 30, 31,
1532 32, 33, 34, 35, 36, 37, 38, 39,
1533 41, 42, 43, 44, 45, 46, 47, 48,
1534 49, 50, 52, 53, 54, 55, 56, 57,
1535 58, 59, 60, 61, 63, 64, 65, 66,
1536 67, 68, 69, 70, 71, 72, 74, 75,
1537 76, 77, 78, 79, 80, 81, 82, 83,
1538 86, 87, 88, 89, 90, 91, 92, 93,
1539 94, 95, 97, 98, 99, 100, 101, 102,
1540 103, 104, 105, 106, 108, 109, 110, 111,
1541 112, 113, 114, 115, 116, 117, 119, 120,
1542 121, 122, 123, 124, 125, 126, 127, 128,
1543 130, 131, 132, 133, 134, 135, 136, 137,
1544 138, 139, 141, 142, 143, 144, 145, 146
1547 EXTCONST unsigned char freq[];
1552 EXTCONST char* block_type[] = {
1561 EXTCONST char* block_type[];
1565 /*****************************************************************************/
1566 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1567 /*****************************************************************************/
1568 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1581 EXT U32 lex_state; /* next token is determined */
1582 EXT U32 lex_defer; /* state after determined token */
1583 EXT expectation lex_expect; /* expect after determined token */
1584 EXT I32 lex_brackets; /* bracket count */
1585 EXT I32 lex_formbrack; /* bracket count at outer format level */
1586 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1587 EXT I32 lex_casemods; /* casemod count */
1588 EXT I32 lex_dojoin; /* doing an array interpolation */
1589 EXT I32 lex_starts; /* how many interps done on level */
1590 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1591 EXT SV * lex_repl; /* runtime replacement from s/// */
1592 EXT OP * lex_op; /* extra info to pass back on op */
1593 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1594 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1595 EXT char * lex_brackstack; /* what kind of brackets to pop */
1596 EXT char * lex_casestack; /* what kind of case mods in effect */
1598 /* What we know when we're in LEX_KNOWNEXT state. */
1599 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1600 EXT I32 nexttype[5]; /* type of next token */
1603 EXT PerlIO * VOL rsfp INIT(Nullfp);
1606 EXT char * oldbufptr;
1607 EXT char * oldoldbufptr;
1609 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1610 EXT AV * rsfp_filters;
1612 EXT I32 multi_start; /* 1st line of multi-line string */
1613 EXT I32 multi_end; /* last line of multi-line string */
1614 EXT I32 multi_open; /* delimiter of said string */
1615 EXT I32 multi_close; /* delimiter of said string */
1618 EXT I32 error_count; /* how many errors so far, max 10 */
1619 EXT I32 subline; /* line this subroutine began on */
1620 EXT SV * subname; /* name of current subroutine */
1622 EXT CV * compcv; /* currently compiling subroutine */
1623 EXT AV * comppad; /* storage for lexically scoped temporaries */
1624 EXT AV * comppad_name; /* variable names for "my" variables */
1625 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1626 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1627 EXT I32 min_intro_pending;/* start of vars to introduce */
1628 EXT I32 max_intro_pending;/* end of vars to introduce */
1629 EXT I32 padix; /* max used index in current "register" pad */
1630 EXT I32 padix_floor; /* how low may inner block reset padix */
1631 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1634 EXT I32 thisexpr; /* name id for nothing_in_common() */
1635 EXT char * last_uni; /* position of last named-unary operator */
1636 EXT char * last_lop; /* position of last list operator */
1637 EXT OPCODE last_lop_op; /* last list operator */
1638 EXT bool in_my; /* we're compiling a "my" declaration */
1640 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1643 EXT U32 hints; /* various compilation flags */
1645 /* Note: the lowest 8 bits are reserved for
1646 stuffing into op->op_private */
1647 #define HINT_INTEGER 0x00000001
1648 #define HINT_STRICT_REFS 0x00000002
1650 #define HINT_BLOCK_SCOPE 0x00000100
1651 #define HINT_STRICT_SUBS 0x00000200
1652 #define HINT_STRICT_VARS 0x00000400
1653 #define HINT_LOCALE 0x00000800
1655 /**************************************************************************/
1656 /* This regexp stuff is global since it always happens within 1 expr eval */
1657 /**************************************************************************/
1659 EXT char * regprecomp; /* uncompiled string. */
1660 EXT char * regparse; /* Input-scan pointer. */
1661 EXT char * regxend; /* End of input for compile */
1662 EXT I32 regnpar; /* () count. */
1663 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1664 EXT I32 regsize; /* Code size. */
1665 EXT I32 regnaughty; /* How bad is this pattern? */
1666 EXT I32 regsawback; /* Did we see \1, ...? */
1668 EXT char * reginput; /* String-input pointer. */
1669 EXT char * regbol; /* Beginning of input, for ^ check. */
1670 EXT char * regeol; /* End of input, for $ check. */
1671 EXT char ** regstartp; /* Pointer to startp array. */
1672 EXT char ** regendp; /* Ditto for endp. */
1673 EXT U32 * reglastparen; /* Similarly for lastparen. */
1674 EXT char * regtill; /* How far we are required to go. */
1675 EXT U16 regflags; /* are we folding, multilining? */
1676 EXT char regprev; /* char before regbol, \n if none */
1678 EXT bool do_undump; /* -u or dump seen? */
1681 /***********************************************/
1682 /* Global only to current interpreter instance */
1683 /***********************************************/
1688 struct interpreter {
1691 #define IINIT(x) INIT(x)
1694 /* pseudo environmental stuff */
1696 IEXT char ** Iorigargv;
1700 IEXT char * Iorigfilename;
1702 IEXT SV * Iwarnhook;
1703 IEXT SV * Iparsehook;
1705 /* Various states of an input record separator SV (rs, nrs) */
1706 #define RsSNARF(sv) (! SvOK(sv))
1707 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1708 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1713 IEXT char Ipatchlevel[10];
1714 IEXT char ** Ilocalpatches;
1716 IEXT char * Isplitstr IINIT(" ");
1717 IEXT bool Ipreprocess;
1723 IEXT bool Idoswitches;
1725 IEXT bool Idoextract;
1726 IEXT bool Isawampersand; /* must save all match strings */
1727 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1730 IEXT char * Iinplace;
1731 IEXT char * Ie_tmpname;
1732 IEXT PerlIO * Ie_fp;
1734 /* This value may be raised by extensions for testing purposes */
1735 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1737 /* magical thingies */
1738 IEXT Time_t Ibasetime; /* $^T */
1739 IEXT SV * Iformfeed; /* $^L */
1740 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1741 IEXT SV * Irs; /* $/ */
1742 IEXT char * Iofs; /* $, */
1743 IEXT STRLEN Iofslen;
1744 IEXT char * Iors; /* $\ */
1745 IEXT STRLEN Iorslen;
1746 IEXT char * Iofmt; /* $# */
1747 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1748 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1749 IEXT I32 Istatusvalue; /* $? */
1751 IEXT U32 Istatusvalue_vms;
1754 IEXT struct stat Istatcache; /* _ */
1756 IEXT SV * Istatname IINIT(Nullsv);
1758 /* shortcuts to various I/O objects */
1760 IEXT GV * Ilast_in_gv;
1763 IEXT GV * Idefoutgv;
1764 IEXT GV * Iargvoutgv;
1766 /* shortcuts to regexp stuff */
1770 IEXT PMOP * Icurpm; /* what to do \ interps from */
1771 IEXT I32 * Iscreamfirst;
1772 IEXT I32 * Iscreamnext;
1773 IEXT I32 Imaxscream IINIT(-1);
1774 IEXT SV * Ilastscream;
1776 /* shortcuts to misc objects */
1779 /* shortcuts to debugging objects */
1783 IEXT SV * IDBsingle;
1785 IEXT SV * IDBsignal;
1786 IEXT AV * Ilineary; /* lines of script for debugger */
1787 IEXT AV * Idbargs; /* args to call listed by caller function */
1790 IEXT HV * Idefstash; /* main symbol table */
1791 IEXT HV * Icurstash; /* symbol table for current package */
1792 IEXT HV * Idebstash; /* symbol table for perldb package */
1793 IEXT SV * Icurstname; /* name of current package */
1794 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1795 IEXT AV * Iendav; /* names of END subroutines */
1796 IEXT HV * Istrtab; /* shared string table */
1798 /* memory management */
1799 IEXT SV ** Itmps_stack;
1800 IEXT I32 Itmps_ix IINIT(-1);
1801 IEXT I32 Itmps_floor IINIT(-1);
1803 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1804 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1805 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1806 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1808 /* funky return mechanisms */
1809 IEXT I32 Ilastspbase;
1811 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1813 /* subprocess state */
1814 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1816 /* internal state */
1817 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1818 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1819 IEXT int Idelaymagic; /* ($<,$>) = ... */
1820 IEXT bool Idirty; /* In the middle of tearing things down? */
1821 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1822 IEXT bool Itainted; /* using variables controlled by $< */
1823 IEXT bool Itainting; /* doing taint checks */
1824 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1828 IEXT I32 Idlmax IINIT(128);
1829 IEXT char * Idebname;
1830 IEXT char * Idebdelim;
1832 /* current interpreter roots */
1834 IEXT OP * Imain_root;
1835 IEXT OP * Imain_start;
1836 IEXT OP * Ieval_root;
1837 IEXT OP * Ieval_start;
1839 /* runtime control stuff */
1840 IEXT COP * VOL Icurcop IINIT(&compiling);
1841 IEXT COP * Icurcopdb IINIT(NULL);
1842 IEXT line_t Icopline IINIT(NOLINE);
1843 IEXT CONTEXT * Icxstack;
1844 IEXT I32 Icxstack_ix IINIT(-1);
1845 IEXT I32 Icxstack_max IINIT(128);
1846 IEXT Sigjmp_buf Itop_env;
1848 IEXT bool Imustcatch; /* doeval() must be caught locally */
1851 IEXT AV * Icurstack; /* THE STACK */
1852 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1853 IEXT SV ** Imystack_base; /* stack->array_ary */
1854 IEXT SV ** Imystack_sp; /* stack pointer now */
1855 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1857 /* format accumulators */
1858 IEXT SV * Iformtarget;
1859 IEXT SV * Ibodytarget;
1860 IEXT SV * Itoptarget;
1862 /* statics moved here for shared library purposes */
1863 IEXT SV Istrchop; /* return value from chop */
1864 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1865 IEXT int Ilastfd; /* what to preserve mode on */
1866 IEXT char * Ioldname; /* what to preserve mode on */
1867 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1868 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1869 IEXT OP * Isortcop; /* user defined sort routine */
1870 IEXT HV * Isortstash; /* which is in some package or other */
1871 IEXT GV * Ifirstgv; /* $a */
1872 IEXT GV * Isecondgv; /* $b */
1873 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1874 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1875 IEXT SV * Imystrk; /* temp key string for do_each() */
1876 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1877 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1878 IEXT I32 Igensym; /* next symbol for getsym() to define */
1879 IEXT bool Ipreambled;
1880 IEXT AV * Ipreambleav;
1881 IEXT int Ilaststatval IINIT(-1);
1882 IEXT I32 Ilaststype IINIT(OP_STAT);
1890 struct interpreter {
1904 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1905 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1907 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1908 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1915 /* The following must follow proto.h */
1919 EXT MGVTBL vtbl_sv = {magic_get,
1923 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1924 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1927 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1928 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1932 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1934 EXT MGVTBL vtbl_packelem = {magic_getpack,
1938 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1940 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1942 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1944 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1947 EXT MGVTBL vtbl_glob = {magic_getglob,
1950 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1952 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1954 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1956 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1958 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1960 EXT MGVTBL vtbl_pos = {magic_getpos,
1963 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1965 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1967 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1970 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
1971 0, 0, magic_freedefelem};
1973 #ifdef USE_LOCALE_COLLATE
1974 EXT MGVTBL vtbl_collxfrm = {0,
1980 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1981 0, 0, magic_setamagic};
1982 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1983 0, 0, magic_setamagic};
1984 #endif /* OVERLOAD */
1989 EXT MGVTBL vtbl_env;
1990 EXT MGVTBL vtbl_envelem;
1991 EXT MGVTBL vtbl_sig;
1992 EXT MGVTBL vtbl_sigelem;
1993 EXT MGVTBL vtbl_pack;
1994 EXT MGVTBL vtbl_packelem;
1995 EXT MGVTBL vtbl_dbline;
1996 EXT MGVTBL vtbl_isa;
1997 EXT MGVTBL vtbl_isaelem;
1998 EXT MGVTBL vtbl_arylen;
1999 EXT MGVTBL vtbl_glob;
2000 EXT MGVTBL vtbl_mglob;
2001 EXT MGVTBL vtbl_nkeys;
2002 EXT MGVTBL vtbl_taint;
2003 EXT MGVTBL vtbl_substr;
2004 EXT MGVTBL vtbl_vec;
2005 EXT MGVTBL vtbl_pos;
2008 EXT MGVTBL vtbl_uvar;
2009 EXT MGVTBL vtbl_defelem;
2011 #ifdef USE_LOCALE_COLLATE
2012 EXT MGVTBL vtbl_collxfrm;
2016 EXT MGVTBL vtbl_amagic;
2017 EXT MGVTBL vtbl_amagicelem;
2018 #endif /* OVERLOAD */
2020 #endif /* !DOINIT */
2024 EXT long amagic_generation;
2026 #define NofAMmeth 58
2028 EXTCONST char * AMG_names[NofAMmeth] = {
2029 "fallback", "abs", /* "fallback" should be the first. */
2060 EXTCONST char * AMG_names[NofAMmeth];
2061 #endif /* def INITAMAGIC */
2067 CV* table[NofAMmeth];
2070 struct am_table_short {
2075 typedef struct am_table AMT;
2076 typedef struct am_table_short AMTS;
2078 #define AMGfallNEVER 1
2080 #define AMGfallYES 3
2082 #define AMTf_AMAGIC 1
2083 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2084 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2085 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2088 fallback_amg, abs_amg,
2089 bool__amg, nomethod_amg,
2090 string_amg, numer_amg,
2091 add_amg, add_ass_amg,
2092 subtr_amg, subtr_ass_amg,
2093 mult_amg, mult_ass_amg,
2094 div_amg, div_ass_amg,
2095 mod_amg, mod_ass_amg,
2096 pow_amg, pow_ass_amg,
2097 lshift_amg, lshift_ass_amg,
2098 rshift_amg, rshift_ass_amg,
2099 band_amg, band_ass_amg,
2100 bor_amg, bor_ass_amg,
2101 bxor_amg, bxor_ass_amg,
2114 repeat_amg, repeat_ass_amg,
2115 concat_amg, concat_ass_amg,
2120 * some compilers like to redefine cos et alia as faster
2121 * (and less accurate?) versions called F_cos et cetera (Quidquid
2122 * latine dictum sit, altum viditur.) This trick collides with
2123 * the Perl overloading (amg). The following #defines fool both.
2128 # define F_atan2_amg atan2_amg
2131 # define F_cos_amg cos_amg
2134 # define F_exp_amg exp_amg
2137 # define F_log_amg log_amg
2140 # define F_pow_amg pow_amg
2143 # define F_sin_amg sin_amg
2146 # define F_sqrt_amg sqrt_amg
2148 #endif /* _FASTMATH */
2150 #endif /* OVERLOAD */
2152 #ifdef USE_LOCALE_COLLATE
2153 EXT U32 collation_ix; /* Collation generation index */
2154 EXT char * collation_name; /* Name of current collation */
2155 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2156 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2157 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2158 #endif /* USE_LOCALE_COLLATE */
2160 #ifdef USE_LOCALE_NUMERIC
2162 EXT char * numeric_name; /* Name of current numeric locale */
2163 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2164 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2166 #define SET_NUMERIC_STANDARD() \
2168 if (! numeric_standard) \
2169 perl_set_numeric_standard(); \
2172 #define SET_NUMERIC_LOCAL() \
2174 if (! numeric_local) \
2175 perl_set_numeric_local(); \
2178 #else /* !USE_LOCALE_NUMERIC */
2180 #define SET_NUMERIC_STANDARD() /**/
2181 #define SET_NUMERIC_LOCAL() /**/
2183 #endif /* !USE_LOCALE_NUMERIC */
2185 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2187 * Now we have __attribute__ out of the way
2190 #define printf PerlIO_stdoutf
2193 #endif /* Include guard */