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)
87 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
91 #if defined(HASVOLATILE) || defined(STANDARD_C)
93 # define VOL // to temporarily suppress warnings
101 #define TAINT (tainted = TRUE)
102 #define TAINT_NOT (tainted = FALSE)
103 #define TAINT_IF(c) if (c) { tainted = TRUE; }
104 #define TAINT_ENV() if (tainting) { taint_env(); }
105 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
107 /* XXX All process group stuff is handled in pp_sys.c. Should these
108 defines move there? If so, I could simplify this a lot. --AD 9/96.
110 /* Process group stuff changed from traditional BSD to POSIX.
111 perlfunc.pod documents the traditional BSD-style syntax, so we'll
112 try to preserve that, if possible.
115 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
117 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
118 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
120 # ifdef HAS_SETPGRP2 /* DG/UX */
121 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
125 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
126 # define HAS_SETPGRP /* Well, effectively it does . . . */
129 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
130 our life easier :-) so we'll try it.
133 # define BSD_GETPGRP(pid) getpgid((pid))
135 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
136 # define BSD_GETPGRP(pid) getpgrp((pid))
138 # ifdef HAS_GETPGRP2 /* DG/UX */
139 # define BSD_GETPGRP(pid) getpgrp2((pid))
143 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
144 # define HAS_GETPGRP /* Well, effectively it does . . . */
147 /* These are not exact synonyms, since setpgrp() and getpgrp() may
148 have different behaviors, but perl.h used to define USE_BSDPGRP
149 (prior to 5.003_05) so some extension might depend on it.
151 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
157 #ifndef _TYPES_ /* If types.h defines this it's easy. */
158 # ifndef major /* Does everyone's types.h define this? */
159 # include <sys/types.h>
173 # include <varargs.h>
179 #ifdef USE_NEXT_CTYPE
181 #if NX_CURRENT_COMPILER_RELEASE >= 400
182 #include <objc/NXCType.h>
183 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
184 #include <appkit/NXCType.h>
185 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
187 #else /* !USE_NEXT_CTYPE */
189 #endif /* USE_NEXT_CTYPE */
191 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
199 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
201 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
202 && defined(HAS_STRXFRM)
203 # define USE_LOCALE_COLLATE
205 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
206 # define USE_LOCALE_CTYPE
208 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
209 # define USE_LOCALE_NUMERIC
211 #endif /* !NO_LOCALE && HAS_SETLOCALE */
216 # ifdef PARAM_NEEDS_TYPES
217 # include <sys/types.h>
219 # include <sys/param.h>
223 /* Use all the "standard" definitions? */
224 #if defined(STANDARD_C) && defined(I_STDLIB)
228 /* This comes after <stdlib.h> so we don't try to change the standard
229 * library prototypes; we'll use our own in proto.h instead. */
234 # define malloc Mymalloc
235 # define calloc Mycalloc
236 # define realloc Myremalloc
239 # ifdef EMBEDMYMALLOC
240 # define malloc Perl_malloc
241 # define calloc Perl_calloc
242 # define realloc Perl_realloc
243 # define free Perl_free
250 # define safemalloc malloc
251 # define safecalloc calloc
252 # define saferealloc realloc
253 # define safefree free
255 #endif /* MYMALLOC */
257 #define MEM_SIZE Size_t
259 #if _XOPEN_VERSION >= 4
260 # define Sock_size_t Size_t
262 # define Sock_size_t int
265 #if defined(STANDARD_C) && defined(I_STDDEF)
267 # define STRUCT_OFFSET(s,m) offsetof(s,m)
269 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
272 #if defined(I_STRING) || defined(__cplusplus)
275 # include <strings.h>
278 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
280 #define strrchr rindex
288 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
290 extern char * memcpy _((char*, char*, int));
296 # define memcpy(d,s,l) bcopy(s,d,l)
298 # define memcpy(d,s,l) my_bcopy(s,d,l)
301 #endif /* HAS_MEMCPY */
304 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
306 extern char *memset _((char*, int, int));
309 # define memzero(d,l) memset(d,0,l)
313 # define memzero(d,l) bzero(d,l)
315 # define memzero(d,l) my_bzero(d,l)
318 #endif /* HAS_MEMSET */
320 #if !defined(HAS_MEMMOVE) && !defined(memmove)
321 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
322 # define memmove(d,s,l) bcopy(s,d,l)
324 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
325 # define memmove(d,s,l) memcpy(d,s,l)
327 # define memmove(d,s,l) my_bcopy(s,d,l)
332 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
336 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
337 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
339 extern int memcmp _((char*, char*, int));
343 # pragma function(memcmp)
347 # define memcmp my_memcmp
349 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
353 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
355 #endif /* !HAS_BCMP */
358 # include <netinet/in.h>
362 #include <sys/stat.h>
365 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
366 like UTekV) are broken, sometimes giving false positives. Undefine
367 them here and let the code below set them to proper values.
369 The ghs macro stands for GreenHills Software C-1.8.5 which
370 is the C compiler for sysV88 and the various derivatives.
371 This header file bug is corrected in gcc-2.5.8 and later versions.
372 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
374 #if defined(uts) || (defined(m88k) && defined(ghs))
388 # ifdef I_SYS_TIME_KERNEL
391 # include <sys/time.h>
392 # ifdef I_SYS_TIME_KERNEL
397 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
398 # include <sys/times.h>
401 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
407 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
409 #endif /* !HAS_MKFIFO */
414 # include <net/errno.h>
419 # define SETERRNO(errcode,vmserrcode) \
421 set_errno(errcode); \
422 set_vaxc_errno(vmserrcode); \
425 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
429 extern int errno; /* ANSI allows errno to be an lvalue expr */
434 char *strerror _((int,...));
436 char *strerror _((int));
439 # define Strerror strerror
442 # ifdef HAS_SYS_ERRLIST
444 extern char *sys_errlist[];
446 # define Strerror(e) \
447 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
453 # define STATUS_NATIVE statusvalue_vms
454 # define STATUS_NATIVE_EXPORT \
455 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
456 # define STATUS_NATIVE_SET(n) \
458 statusvalue_vms = (n); \
459 if ((I32)statusvalue_vms == -1) \
461 else if (statusvalue_vms & STS$M_SUCCESS) \
463 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
464 statusvalue = 1 << 8; \
466 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
468 # define STATUS_POSIX statusvalue
469 # ifdef VMSISH_STATUS
470 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
472 # define STATUS_CURRENT STATUS_POSIX
474 # define STATUS_POSIX_SET(n) \
477 if (statusvalue != -1) { \
478 statusvalue &= 0xFFFF; \
479 statusvalue_vms = statusvalue ? 44 : 1; \
481 else statusvalue_vms = -1; \
483 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
484 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
486 # define STATUS_NATIVE STATUS_POSIX
487 # define STATUS_NATIVE_EXPORT STATUS_POSIX
488 # define STATUS_NATIVE_SET STATUS_POSIX_SET
489 # define STATUS_POSIX statusvalue
490 # define STATUS_POSIX_SET(n) \
493 if (statusvalue != -1) \
494 statusvalue &= 0xFFFF; \
496 # define STATUS_CURRENT STATUS_POSIX
497 # define STATUS_ALL_SUCCESS (statusvalue = 0)
498 # define STATUS_ALL_FAILURE (statusvalue = 1)
503 # include <sys/ioctl.h>
507 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
508 # ifdef HAS_SOCKETPAIR
509 # undef HAS_SOCKETPAIR
524 /* Configure already sets Direntry_t */
525 #if defined(I_DIRENT)
527 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
528 # include <sys/dir.h>
532 # include <sys/ndir.h>
536 # include <ndir.h> /* may be wrong in the future */
538 # include <sys/dir.h>
545 /* work around botch in SunOS 4.0.1 and 4.0.2 */
547 # define fputs(sv,fp) fprintf(fp,"%s",sv)
552 * The following gobbledygook brought to you on behalf of __STDC__.
553 * (I could just use #ifndef __STDC__, but this is more bulletproof
554 * in the face of half-implementations.)
559 # define S_IFMT _S_IFMT
561 # define S_IFMT 0170000
566 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
570 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
575 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
577 # define S_ISBLK(m) (0)
582 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
587 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
589 # define S_ISFIFO(m) (0)
595 # define S_ISLNK(m) _S_ISLNK(m)
598 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
601 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
603 # define S_ISLNK(m) (0)
611 # define S_ISSOCK(m) _S_ISSOCK(m)
614 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
617 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
619 # define S_ISSOCK(m) (0)
627 # define S_IRUSR S_IREAD
628 # define S_IWUSR S_IWRITE
629 # define S_IXUSR S_IEXEC
631 # define S_IRUSR 0400
632 # define S_IWUSR 0200
633 # define S_IXUSR 0100
635 # define S_IRGRP (S_IRUSR>>3)
636 # define S_IWGRP (S_IWUSR>>3)
637 # define S_IXGRP (S_IXUSR>>3)
638 # define S_IROTH (S_IRUSR>>6)
639 # define S_IWOTH (S_IWUSR>>6)
640 # define S_IXOTH (S_IXUSR>>6)
644 # define S_ISUID 04000
648 # define S_ISGID 02000
655 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
656 # define SLOPPYDIVIDE
663 /* XXX QUAD stuff is not currently supported on most systems.
664 Specifically, perl internals don't support long long. Among
665 the many problems is that some compilers support long long,
666 but the underlying library functions (such as sprintf) don't.
667 Some things do work (such as quad pack/unpack on convex);
668 also some systems use long long for the fpos_t typedef. That
671 The IV type is supposed to be long enough to hold any integral
673 --Andy Dougherty August 1996
680 # define Quad_t long long
682 # if BYTEORDER > 0xFFFF
691 typedef unsigned Quad_t UV;
692 # define IV_MAX PERL_QUAD_MAX
693 # define IV_MIN PERL_QUAD_MIN
694 # define UV_MAX PERL_UQUAD_MAX
695 # define UV_MIN PERL_UQUAD_MIN
698 typedef unsigned long UV;
699 # define IV_MAX PERL_LONG_MAX
700 # define IV_MIN PERL_LONG_MIN
701 # define UV_MAX PERL_ULONG_MAX
702 # define UV_MIN PERL_ULONG_MIN
705 /* Previously these definitions used hardcoded figures.
706 * It is hoped these formula are more portable, although
707 * no data one way or another is presently known to me.
708 * The "PERL_" names are used because these calculated constants
709 * do not meet the ANSI requirements for LONG_MAX, etc., which
710 * need to be constants acceptable to #if - kja
711 * define PERL_LONG_MAX 2147483647L
712 * define PERL_LONG_MIN (-LONG_MAX - 1)
713 * define PERL ULONG_MAX 4294967295L
716 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
725 * Try to figure out max and min values for the integral types. THE CORRECT
726 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
727 * following hacks are used if neither limits.h or values.h provide them:
728 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
729 * for types < int: (unsigned TYPE)~(unsigned)0
730 * The argument to ~ must be unsigned so that later signed->unsigned
731 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
732 * and it must not be smaller than int because ~ does integral promotion.
733 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
734 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
735 * The latter is a hack which happens to work on some machines but
736 * does *not* catch any random system, or things like integer types
737 * with NaN if that is possible.
739 * All of the types are explicitly cast to prevent accidental loss of
740 * numeric range, and in the hope that they will be less likely to confuse
741 * over-eager optimizers.
745 #define PERL_UCHAR_MIN ((unsigned char)0)
748 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
751 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
753 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
758 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
759 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
760 * depending on local options. Until Configure detects this (or at least
761 * detects whether the "signed" keyword is available) the CHAR ranges
762 * will not be included. UCHAR functions normally.
766 #define PERL_USHORT_MIN ((unsigned short)0)
769 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
772 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
774 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
779 # define PERL_SHORT_MAX ((short)SHORT_MAX)
781 # ifdef MAXSHORT /* Often used in <values.h> */
782 # define PERL_SHORT_MAX ((short)MAXSHORT)
784 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
789 # define PERL_SHORT_MIN ((short)SHORT_MIN)
792 # define PERL_SHORT_MIN ((short)MINSHORT)
794 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
799 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
802 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
804 # define PERL_UINT_MAX (~(unsigned int)0)
808 #define PERL_UINT_MIN ((unsigned int)0)
811 # define PERL_INT_MAX ((int)INT_MAX)
813 # ifdef MAXINT /* Often used in <values.h> */
814 # define PERL_INT_MAX ((int)MAXINT)
816 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
821 # define PERL_INT_MIN ((int)INT_MIN)
824 # define PERL_INT_MIN ((int)MININT)
826 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
831 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
834 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
836 # define PERL_ULONG_MAX (~(unsigned long)0)
840 #define PERL_ULONG_MIN ((unsigned long)0L)
843 # define PERL_LONG_MAX ((long)LONG_MAX)
845 # ifdef MAXLONG /* Often used in <values.h> */
846 # define PERL_LONG_MAX ((long)MAXLONG)
848 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
853 # define PERL_LONG_MIN ((long)LONG_MIN)
856 # define PERL_LONG_MIN ((long)MINLONG)
858 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
865 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
867 # define PERL_UQUAD_MAX (~(UV)0)
870 # define PERL_UQUAD_MIN ((UV)0)
873 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
875 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
879 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
881 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
886 typedef MEM_SIZE STRLEN;
888 typedef struct op OP;
889 typedef struct cop COP;
890 typedef struct unop UNOP;
891 typedef struct binop BINOP;
892 typedef struct listop LISTOP;
893 typedef struct logop LOGOP;
894 typedef struct condop CONDOP;
895 typedef struct pmop PMOP;
896 typedef struct svop SVOP;
897 typedef struct gvop GVOP;
898 typedef struct pvop PVOP;
899 typedef struct loop LOOP;
901 typedef struct Outrec Outrec;
902 typedef struct interpreter PerlInterpreter;
903 typedef struct ff FF;
904 typedef struct sv SV;
905 typedef struct av AV;
906 typedef struct hv HV;
907 typedef struct cv CV;
908 typedef struct regexp REGEXP;
909 typedef struct gp GP;
910 typedef struct gv GV;
911 typedef struct io IO;
912 typedef struct context CONTEXT;
913 typedef struct block BLOCK;
915 typedef struct magic MAGIC;
916 typedef struct xrv XRV;
917 typedef struct xpv XPV;
918 typedef struct xpviv XPVIV;
919 typedef struct xpvuv XPVUV;
920 typedef struct xpvnv XPVNV;
921 typedef struct xpvmg XPVMG;
922 typedef struct xpvlv XPVLV;
923 typedef struct xpvav XPVAV;
924 typedef struct xpvhv XPVHV;
925 typedef struct xpvgv XPVGV;
926 typedef struct xpvcv XPVCV;
927 typedef struct xpvbm XPVBM;
928 typedef struct xpvfm XPVFM;
929 typedef struct xpvio XPVIO;
930 typedef struct mgvtbl MGVTBL;
931 typedef union any ANY;
935 typedef I32 (*filter_t) _((int, SV *, int));
936 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
937 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
938 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
951 # include "./plan9/plan9ish.h"
953 # include "unixish.h"
958 /* Some unistd.h's give a prototype for pause() even though
959 HAS_PAUSE ends up undefined. This causes the #define
960 below to be rejected by the compmiler. Sigh.
965 #define Pause() sleep((32767<<16)+32767)
970 /* on BSDish systes we're safe */
971 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
973 /* otherwise guess at what's safe */
974 # define IOCPARM_LEN(x) 256
983 void (*any_dptr) _((void*));
1000 /* work around some libPW problems */
1005 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1009 #if defined(htonl) && !defined(HAS_HTONL)
1012 #if defined(htons) && !defined(HAS_HTONS)
1015 #if defined(ntohl) && !defined(HAS_NTOHL)
1018 #if defined(ntohs) && !defined(HAS_NTOHS)
1022 #if (BYTEORDER & 0xffff) != 0x4321
1028 #define htons my_swap
1029 #define htonl my_htonl
1030 #define ntohs my_swap
1031 #define ntohl my_ntohl
1034 #if (BYTEORDER & 0xffff) == 0x4321
1043 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1046 #if BYTEORDER != 0x1234
1051 # if BYTEORDER == 0x4321
1052 # define vtohl(x) ((((x)&0xFF)<<24) \
1054 +(((x)&0x0000FF00)<<8) \
1055 +(((x)&0x00FF0000)>>8) )
1056 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1057 # define htovl(x) vtohl(x)
1058 # define htovs(x) vtohs(x)
1060 /* otherwise default to functions in util.c */
1064 #define U_S(what) ((U16)(what))
1065 #define U_I(what) ((unsigned int)(what))
1066 #define U_L(what) ((U32)(what))
1071 U32 cast_ulong _((double));
1075 #define U_S(what) ((U16)cast_ulong((double)(what)))
1076 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1077 #define U_L(what) (cast_ulong((double)(what)))
1081 #define I_32(what) ((I32)(what))
1082 #define I_V(what) ((IV)(what))
1083 #define U_V(what) ((UV)(what))
1088 I32 cast_i32 _((double));
1089 IV cast_iv _((double));
1090 UV cast_uv _((double));
1094 #define I_32(what) (cast_i32((double)(what)))
1095 #define I_V(what) (cast_iv((double)(what)))
1096 #define U_V(what) (cast_uv((double)(what)))
1110 # define TMPPATH "/tmp/perl-eXXXXXX"
1114 Uid_t getuid _((void));
1115 Uid_t geteuid _((void));
1116 Gid_t getgid _((void));
1117 Gid_t getegid _((void));
1121 #ifndef Perl_debug_log
1122 #define Perl_debug_log PerlIO_stderr()
1126 #define DEBUG(a) if (debug) a
1127 #define DEBUG_p(a) if (debug & 1) a
1128 #define DEBUG_s(a) if (debug & 2) a
1129 #define DEBUG_l(a) if (debug & 4) a
1130 #define DEBUG_t(a) if (debug & 8) a
1131 #define DEBUG_o(a) if (debug & 16) a
1132 #define DEBUG_c(a) if (debug & 32) a
1133 #define DEBUG_P(a) if (debug & 64) a
1134 #define DEBUG_m(a) if (curinterp && debug & 128) a
1135 #define DEBUG_f(a) if (debug & 256) a
1136 #define DEBUG_r(a) if (debug & 512) a
1137 #define DEBUG_x(a) if (debug & 1024) a
1138 #define DEBUG_u(a) if (debug & 2048) a
1139 #define DEBUG_L(a) if (debug & 4096) a
1140 #define DEBUG_H(a) if (debug & 8192) a
1141 #define DEBUG_X(a) if (debug & 16384) a
1142 #define DEBUG_D(a) if (debug & 32768) a
1163 #define YYMAXDEPTH 300
1165 #ifndef assert /* <assert.h> might have been included somehow */
1166 #define assert(what) DEB( { \
1168 croak("Assertion failed: file \"%s\", line %d", \
1169 __FILE__, __LINE__); \
1175 I32 (*uf_val)_((IV, SV*));
1176 I32 (*uf_set)_((IV, SV*));
1180 /* Fix these up for __STDC__ */
1182 char *mktemp _((char*));
1183 double atof _((const char*));
1187 /* All of these are in stdlib.h or time.h for ANSI C */
1189 struct tm *gmtime(), *localtime();
1190 char *strchr(), *strrchr();
1191 char *strcpy(), *strcat();
1192 #endif /* ! STANDARD_C */
1201 double exp _((double));
1202 double log _((double));
1203 double sqrt _((double));
1204 double modf _((double,double*));
1205 double sin _((double));
1206 double cos _((double));
1207 double atan2 _((double,double));
1208 double pow _((double,double));
1215 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1216 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1218 char *crypt _((const char*, const char*));
1221 char *getenv _((const char*));
1223 Off_t lseek _((int,Off_t,int));
1224 char *getlogin _((void));
1227 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1228 #define UNLINK unlnk
1229 I32 unlnk _((char*));
1231 #define UNLINK unlink
1234 #ifndef HAS_SETREUID
1235 # ifdef HAS_SETRESUID
1236 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1237 # define HAS_SETREUID
1240 #ifndef HAS_SETREGID
1241 # ifdef HAS_SETRESGID
1242 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1243 # define HAS_SETREGID
1247 typedef Signal_t (*Sighandler_t) _((int));
1249 #ifdef HAS_SIGACTION
1250 typedef struct sigaction Sigsave_t;
1252 typedef Sighandler_t Sigsave_t;
1264 # ifndef DEBUGGING_MSTATS
1265 # define DEBUGGING_MSTATS
1268 # define PAD_SV(po) pad_sv(po)
1270 # define PAD_SV(po) curpad[po]
1278 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1279 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1280 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1281 extern char ** environ; /* environment variables supplied via exec */
1283 # if defined(NeXT) && defined(__DYNAMIC__)
1285 # include <mach-o/dyld.h>
1286 EXT char *** environ_pointer;
1287 # define environ (*environ_pointer)
1289 #endif /* environ processing */
1291 EXT int uid; /* current real user id */
1292 EXT int euid; /* current effective user id */
1293 EXT int gid; /* current real group id */
1294 EXT int egid; /* current effective group id */
1295 EXT bool nomemok; /* let malloc context handle nomem */
1296 EXT U32 an; /* malloc sequence number */
1297 EXT U32 cop_seqmax; /* statement sequence number */
1298 EXT U16 op_seqmax; /* op sequence number */
1299 EXT U32 evalseq; /* eval sequence number */
1300 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1301 EXT char ** origenviron;
1303 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1304 EXT U32 * profiledata;
1305 EXT int maxo INIT(MAXO);/* Number of ops */
1306 EXT char * osname; /* operating system */
1307 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1309 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1310 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1311 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1312 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1313 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1314 EXT HE * he_root; /* free he list--shared by interpreters */
1315 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1316 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1318 /* Stack for currently executing thread--context switch must handle this. */
1319 EXT SV ** stack_base; /* stack->array_ary */
1320 EXT SV ** stack_sp; /* stack pointer now */
1321 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1323 /* likewise for these */
1325 EXT OP * op; /* current op--oughta be in a global register */
1327 EXT I32 * scopestack; /* blocks we've entered */
1328 EXT I32 scopestack_ix;
1329 EXT I32 scopestack_max;
1331 EXT ANY* savestack; /* to save non-local values on */
1332 EXT I32 savestack_ix;
1333 EXT I32 savestack_max;
1335 EXT OP ** retstack; /* returns we've pushed */
1336 EXT I32 retstack_ix;
1337 EXT I32 retstack_max;
1339 EXT I32 * markstack; /* stackmarks we're remembering */
1340 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1341 EXT I32 * markstack_max; /* stackmarks we're remembering */
1348 EXT char buf[2048]; /* should be longer than PATH_MAX */
1349 EXT char tokenbuf[256];
1350 EXT struct stat statbuf;
1352 EXT struct tms timesbuf;
1354 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1356 /* for tmp use in stupid debuggers */
1361 /* handy constants */
1362 EXTCONST char * Yes INIT("1");
1363 EXTCONST char * No INIT("");
1364 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1365 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1366 EXTCONST char * vert INIT("|");
1368 EXTCONST char warn_uninit[]
1369 INIT("Use of uninitialized value");
1370 EXTCONST char warn_nosemi[]
1371 INIT("Semicolon seems to be missing");
1372 EXTCONST char warn_reserved[]
1373 INIT("Unquoted string \"%s\" may clash with future reserved word");
1374 EXTCONST char warn_nl[]
1375 INIT("Unsuccessful %s on filename containing newline");
1376 EXTCONST char no_wrongref[]
1377 INIT("Can't use %s ref as %s ref");
1378 EXTCONST char no_symref[]
1379 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1380 EXTCONST char no_usym[]
1381 INIT("Can't use an undefined value as %s reference");
1382 EXTCONST char no_aelem[]
1383 INIT("Modification of non-creatable array value attempted, subscript %d");
1384 EXTCONST char no_helem[]
1385 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1386 EXTCONST char no_modify[]
1387 INIT("Modification of a read-only value attempted");
1388 EXTCONST char no_mem[]
1389 INIT("Out of memory!\n");
1390 EXTCONST char no_security[]
1391 INIT("Insecure dependency in %s%s");
1392 EXTCONST char no_sock_func[]
1393 INIT("Unsupported socket function \"%s\" called");
1394 EXTCONST char no_dir_func[]
1395 INIT("Unsupported directory function \"%s\" called");
1396 EXTCONST char no_func[]
1397 INIT("The %s function is unimplemented");
1398 EXTCONST char no_myglob[]
1399 INIT("\"my\" variable %s can't be in a package");
1405 EXT char * cshname INIT(CSH);
1410 EXT char *sig_name[] = { SIG_NAME };
1411 EXT int sig_num[] = { SIG_NUM };
1412 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1413 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1415 EXT char *sig_name[];
1417 EXT SV * psig_ptr[];
1418 EXT SV * psig_name[];
1421 /* fast case folding tables */
1424 EXTCONST unsigned char fold[] = {
1425 0, 1, 2, 3, 4, 5, 6, 7,
1426 8, 9, 10, 11, 12, 13, 14, 15,
1427 16, 17, 18, 19, 20, 21, 22, 23,
1428 24, 25, 26, 27, 28, 29, 30, 31,
1429 32, 33, 34, 35, 36, 37, 38, 39,
1430 40, 41, 42, 43, 44, 45, 46, 47,
1431 48, 49, 50, 51, 52, 53, 54, 55,
1432 56, 57, 58, 59, 60, 61, 62, 63,
1433 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1434 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1435 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1436 'x', 'y', 'z', 91, 92, 93, 94, 95,
1437 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1438 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1439 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1440 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1441 128, 129, 130, 131, 132, 133, 134, 135,
1442 136, 137, 138, 139, 140, 141, 142, 143,
1443 144, 145, 146, 147, 148, 149, 150, 151,
1444 152, 153, 154, 155, 156, 157, 158, 159,
1445 160, 161, 162, 163, 164, 165, 166, 167,
1446 168, 169, 170, 171, 172, 173, 174, 175,
1447 176, 177, 178, 179, 180, 181, 182, 183,
1448 184, 185, 186, 187, 188, 189, 190, 191,
1449 192, 193, 194, 195, 196, 197, 198, 199,
1450 200, 201, 202, 203, 204, 205, 206, 207,
1451 208, 209, 210, 211, 212, 213, 214, 215,
1452 216, 217, 218, 219, 220, 221, 222, 223,
1453 224, 225, 226, 227, 228, 229, 230, 231,
1454 232, 233, 234, 235, 236, 237, 238, 239,
1455 240, 241, 242, 243, 244, 245, 246, 247,
1456 248, 249, 250, 251, 252, 253, 254, 255
1459 EXTCONST unsigned char fold[];
1463 EXT unsigned char fold_locale[] = {
1464 0, 1, 2, 3, 4, 5, 6, 7,
1465 8, 9, 10, 11, 12, 13, 14, 15,
1466 16, 17, 18, 19, 20, 21, 22, 23,
1467 24, 25, 26, 27, 28, 29, 30, 31,
1468 32, 33, 34, 35, 36, 37, 38, 39,
1469 40, 41, 42, 43, 44, 45, 46, 47,
1470 48, 49, 50, 51, 52, 53, 54, 55,
1471 56, 57, 58, 59, 60, 61, 62, 63,
1472 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1473 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1474 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1475 'x', 'y', 'z', 91, 92, 93, 94, 95,
1476 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1477 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1478 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1479 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1480 128, 129, 130, 131, 132, 133, 134, 135,
1481 136, 137, 138, 139, 140, 141, 142, 143,
1482 144, 145, 146, 147, 148, 149, 150, 151,
1483 152, 153, 154, 155, 156, 157, 158, 159,
1484 160, 161, 162, 163, 164, 165, 166, 167,
1485 168, 169, 170, 171, 172, 173, 174, 175,
1486 176, 177, 178, 179, 180, 181, 182, 183,
1487 184, 185, 186, 187, 188, 189, 190, 191,
1488 192, 193, 194, 195, 196, 197, 198, 199,
1489 200, 201, 202, 203, 204, 205, 206, 207,
1490 208, 209, 210, 211, 212, 213, 214, 215,
1491 216, 217, 218, 219, 220, 221, 222, 223,
1492 224, 225, 226, 227, 228, 229, 230, 231,
1493 232, 233, 234, 235, 236, 237, 238, 239,
1494 240, 241, 242, 243, 244, 245, 246, 247,
1495 248, 249, 250, 251, 252, 253, 254, 255
1498 EXT unsigned char fold_locale[];
1502 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1503 1, 2, 84, 151, 154, 155, 156, 157,
1504 165, 246, 250, 3, 158, 7, 18, 29,
1505 40, 51, 62, 73, 85, 96, 107, 118,
1506 129, 140, 147, 148, 149, 150, 152, 153,
1507 255, 182, 224, 205, 174, 176, 180, 217,
1508 233, 232, 236, 187, 235, 228, 234, 226,
1509 222, 219, 211, 195, 188, 193, 185, 184,
1510 191, 183, 201, 229, 181, 220, 194, 162,
1511 163, 208, 186, 202, 200, 218, 198, 179,
1512 178, 214, 166, 170, 207, 199, 209, 206,
1513 204, 160, 212, 216, 215, 192, 175, 173,
1514 243, 172, 161, 190, 203, 189, 164, 230,
1515 167, 248, 227, 244, 242, 255, 241, 231,
1516 240, 253, 169, 210, 245, 237, 249, 247,
1517 239, 168, 252, 251, 254, 238, 223, 221,
1518 213, 225, 177, 197, 171, 196, 159, 4,
1519 5, 6, 8, 9, 10, 11, 12, 13,
1520 14, 15, 16, 17, 19, 20, 21, 22,
1521 23, 24, 25, 26, 27, 28, 30, 31,
1522 32, 33, 34, 35, 36, 37, 38, 39,
1523 41, 42, 43, 44, 45, 46, 47, 48,
1524 49, 50, 52, 53, 54, 55, 56, 57,
1525 58, 59, 60, 61, 63, 64, 65, 66,
1526 67, 68, 69, 70, 71, 72, 74, 75,
1527 76, 77, 78, 79, 80, 81, 82, 83,
1528 86, 87, 88, 89, 90, 91, 92, 93,
1529 94, 95, 97, 98, 99, 100, 101, 102,
1530 103, 104, 105, 106, 108, 109, 110, 111,
1531 112, 113, 114, 115, 116, 117, 119, 120,
1532 121, 122, 123, 124, 125, 126, 127, 128,
1533 130, 131, 132, 133, 134, 135, 136, 137,
1534 138, 139, 141, 142, 143, 144, 145, 146
1537 EXTCONST unsigned char freq[];
1542 EXTCONST char* block_type[] = {
1551 EXTCONST char* block_type[];
1555 /*****************************************************************************/
1556 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1557 /*****************************************************************************/
1558 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1571 EXT U32 lex_state; /* next token is determined */
1572 EXT U32 lex_defer; /* state after determined token */
1573 EXT expectation lex_expect; /* expect after determined token */
1574 EXT I32 lex_brackets; /* bracket count */
1575 EXT I32 lex_formbrack; /* bracket count at outer format level */
1576 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1577 EXT I32 lex_casemods; /* casemod count */
1578 EXT I32 lex_dojoin; /* doing an array interpolation */
1579 EXT I32 lex_starts; /* how many interps done on level */
1580 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1581 EXT SV * lex_repl; /* runtime replacement from s/// */
1582 EXT OP * lex_op; /* extra info to pass back on op */
1583 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1584 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1585 EXT char * lex_brackstack; /* what kind of brackets to pop */
1586 EXT char * lex_casestack; /* what kind of case mods in effect */
1588 /* What we know when we're in LEX_KNOWNEXT state. */
1589 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1590 EXT I32 nexttype[5]; /* type of next token */
1593 EXT PerlIO * VOL rsfp INIT(Nullfp);
1596 EXT char * oldbufptr;
1597 EXT char * oldoldbufptr;
1599 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1600 EXT AV * rsfp_filters;
1602 EXT I32 multi_start; /* 1st line of multi-line string */
1603 EXT I32 multi_end; /* last line of multi-line string */
1604 EXT I32 multi_open; /* delimiter of said string */
1605 EXT I32 multi_close; /* delimiter of said string */
1608 EXT I32 error_count; /* how many errors so far, max 10 */
1609 EXT I32 subline; /* line this subroutine began on */
1610 EXT SV * subname; /* name of current subroutine */
1612 EXT CV * compcv; /* currently compiling subroutine */
1613 EXT AV * comppad; /* storage for lexically scoped temporaries */
1614 EXT AV * comppad_name; /* variable names for "my" variables */
1615 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1616 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1617 EXT I32 min_intro_pending;/* start of vars to introduce */
1618 EXT I32 max_intro_pending;/* end of vars to introduce */
1619 EXT I32 padix; /* max used index in current "register" pad */
1620 EXT I32 padix_floor; /* how low may inner block reset padix */
1621 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1624 EXT I32 thisexpr; /* name id for nothing_in_common() */
1625 EXT char * last_uni; /* position of last named-unary operator */
1626 EXT char * last_lop; /* position of last list operator */
1627 EXT OPCODE last_lop_op; /* last list operator */
1628 EXT bool in_my; /* we're compiling a "my" declaration */
1630 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1633 EXT U32 hints; /* various compilation flags */
1635 /* Note: the lowest 8 bits are reserved for
1636 stuffing into op->op_private */
1637 #define HINT_INTEGER 0x00000001
1638 #define HINT_STRICT_REFS 0x00000002
1640 #define HINT_BLOCK_SCOPE 0x00000100
1641 #define HINT_STRICT_SUBS 0x00000200
1642 #define HINT_STRICT_VARS 0x00000400
1643 #define HINT_LOCALE 0x00000800
1645 /**************************************************************************/
1646 /* This regexp stuff is global since it always happens within 1 expr eval */
1647 /**************************************************************************/
1649 EXT char * regprecomp; /* uncompiled string. */
1650 EXT char * regparse; /* Input-scan pointer. */
1651 EXT char * regxend; /* End of input for compile */
1652 EXT I32 regnpar; /* () count. */
1653 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1654 EXT I32 regsize; /* Code size. */
1655 EXT I32 regnaughty; /* How bad is this pattern? */
1656 EXT I32 regsawback; /* Did we see \1, ...? */
1658 EXT char * reginput; /* String-input pointer. */
1659 EXT char * regbol; /* Beginning of input, for ^ check. */
1660 EXT char * regeol; /* End of input, for $ check. */
1661 EXT char ** regstartp; /* Pointer to startp array. */
1662 EXT char ** regendp; /* Ditto for endp. */
1663 EXT U32 * reglastparen; /* Similarly for lastparen. */
1664 EXT char * regtill; /* How far we are required to go. */
1665 EXT U16 regflags; /* are we folding, multilining? */
1666 EXT char regprev; /* char before regbol, \n if none */
1668 EXT bool do_undump; /* -u or dump seen? */
1671 /***********************************************/
1672 /* Global only to current interpreter instance */
1673 /***********************************************/
1678 struct interpreter {
1681 #define IINIT(x) INIT(x)
1684 /* pseudo environmental stuff */
1686 IEXT char ** Iorigargv;
1690 IEXT char * Iorigfilename;
1692 IEXT SV * Iwarnhook;
1693 IEXT SV * Iparsehook;
1695 /* Various states of an input record separator SV (rs, nrs) */
1696 #define RsSNARF(sv) (! SvOK(sv))
1697 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1698 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1703 IEXT char Ipatchlevel[10];
1704 IEXT char ** Ilocalpatches;
1706 IEXT char * Isplitstr IINIT(" ");
1707 IEXT bool Ipreprocess;
1713 IEXT bool Idoswitches;
1715 IEXT bool Idoextract;
1716 IEXT bool Isawampersand; /* must save all match strings */
1717 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1720 IEXT char * Iinplace;
1721 IEXT char * Ie_tmpname;
1722 IEXT PerlIO * Ie_fp;
1724 /* This value may be raised by extensions for testing purposes */
1725 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1727 /* magical thingies */
1728 IEXT Time_t Ibasetime; /* $^T */
1729 IEXT SV * Iformfeed; /* $^L */
1730 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1731 IEXT SV * Irs; /* $/ */
1732 IEXT char * Iofs; /* $, */
1733 IEXT STRLEN Iofslen;
1734 IEXT char * Iors; /* $\ */
1735 IEXT STRLEN Iorslen;
1736 IEXT char * Iofmt; /* $# */
1737 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1738 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1739 IEXT I32 Istatusvalue; /* $? */
1741 IEXT U32 Istatusvalue_vms;
1744 IEXT struct stat Istatcache; /* _ */
1746 IEXT SV * Istatname IINIT(Nullsv);
1748 /* shortcuts to various I/O objects */
1750 IEXT GV * Ilast_in_gv;
1753 IEXT GV * Idefoutgv;
1754 IEXT GV * Iargvoutgv;
1756 /* shortcuts to regexp stuff */
1760 IEXT PMOP * Icurpm; /* what to do \ interps from */
1761 IEXT I32 * Iscreamfirst;
1762 IEXT I32 * Iscreamnext;
1763 IEXT I32 Imaxscream IINIT(-1);
1764 IEXT SV * Ilastscream;
1766 /* shortcuts to misc objects */
1769 /* shortcuts to debugging objects */
1773 IEXT SV * IDBsingle;
1775 IEXT SV * IDBsignal;
1776 IEXT AV * Ilineary; /* lines of script for debugger */
1777 IEXT AV * Idbargs; /* args to call listed by caller function */
1780 IEXT HV * Idefstash; /* main symbol table */
1781 IEXT HV * Icurstash; /* symbol table for current package */
1782 IEXT HV * Idebstash; /* symbol table for perldb package */
1783 IEXT SV * Icurstname; /* name of current package */
1784 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1785 IEXT AV * Iendav; /* names of END subroutines */
1786 IEXT HV * Istrtab; /* shared string table */
1788 /* memory management */
1789 IEXT SV ** Itmps_stack;
1790 IEXT I32 Itmps_ix IINIT(-1);
1791 IEXT I32 Itmps_floor IINIT(-1);
1793 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1794 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1795 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1796 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1798 /* funky return mechanisms */
1799 IEXT I32 Ilastspbase;
1801 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1803 /* subprocess state */
1804 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1806 /* internal state */
1807 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1808 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1809 IEXT int Idelaymagic; /* ($<,$>) = ... */
1810 IEXT bool Idirty; /* In the middle of tearing things down? */
1811 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1812 IEXT bool Itainted; /* using variables controlled by $< */
1813 IEXT bool Itainting; /* doing taint checks */
1814 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1818 IEXT I32 Idlmax IINIT(128);
1819 IEXT char * Idebname;
1820 IEXT char * Idebdelim;
1822 /* current interpreter roots */
1824 IEXT OP * Imain_root;
1825 IEXT OP * Imain_start;
1826 IEXT OP * Ieval_root;
1827 IEXT OP * Ieval_start;
1829 /* runtime control stuff */
1830 IEXT COP * VOL Icurcop IINIT(&compiling);
1831 IEXT COP * Icurcopdb IINIT(NULL);
1832 IEXT line_t Icopline IINIT(NOLINE);
1833 IEXT CONTEXT * Icxstack;
1834 IEXT I32 Icxstack_ix IINIT(-1);
1835 IEXT I32 Icxstack_max IINIT(128);
1836 IEXT Sigjmp_buf Itop_env;
1838 IEXT bool Imustcatch; /* doeval() must be caught locally */
1841 IEXT AV * Icurstack; /* THE STACK */
1842 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1843 IEXT SV ** Imystack_base; /* stack->array_ary */
1844 IEXT SV ** Imystack_sp; /* stack pointer now */
1845 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1847 /* format accumulators */
1848 IEXT SV * Iformtarget;
1849 IEXT SV * Ibodytarget;
1850 IEXT SV * Itoptarget;
1852 /* statics moved here for shared library purposes */
1853 IEXT SV Istrchop; /* return value from chop */
1854 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1855 IEXT int Ilastfd; /* what to preserve mode on */
1856 IEXT char * Ioldname; /* what to preserve mode on */
1857 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1858 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1859 IEXT OP * Isortcop; /* user defined sort routine */
1860 IEXT HV * Isortstash; /* which is in some package or other */
1861 IEXT GV * Ifirstgv; /* $a */
1862 IEXT GV * Isecondgv; /* $b */
1863 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1864 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1865 IEXT SV * Imystrk; /* temp key string for do_each() */
1866 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1867 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1868 IEXT I32 Igensym; /* next symbol for getsym() to define */
1869 IEXT bool Ipreambled;
1870 IEXT AV * Ipreambleav;
1871 IEXT int Ilaststatval IINIT(-1);
1872 IEXT I32 Ilaststype IINIT(OP_STAT);
1880 struct interpreter {
1894 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1895 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1897 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1898 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1905 /* The following must follow proto.h */
1909 EXT MGVTBL vtbl_sv = {magic_get,
1913 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1914 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1917 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1918 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1922 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1924 EXT MGVTBL vtbl_packelem = {magic_getpack,
1928 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1930 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1932 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1934 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1937 EXT MGVTBL vtbl_glob = {magic_getglob,
1940 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1942 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1944 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1946 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1948 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1950 EXT MGVTBL vtbl_pos = {magic_getpos,
1953 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1955 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1957 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1960 EXT MGVTBL vtbl_itervar = {magic_getitervar,magic_setitervar,
1961 0, 0, magic_freeitervar};
1963 #ifdef USE_LOCALE_COLLATE
1964 EXT MGVTBL vtbl_collxfrm = {0,
1970 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1971 0, 0, magic_setamagic};
1972 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1973 0, 0, magic_setamagic};
1974 #endif /* OVERLOAD */
1979 EXT MGVTBL vtbl_env;
1980 EXT MGVTBL vtbl_envelem;
1981 EXT MGVTBL vtbl_sig;
1982 EXT MGVTBL vtbl_sigelem;
1983 EXT MGVTBL vtbl_pack;
1984 EXT MGVTBL vtbl_packelem;
1985 EXT MGVTBL vtbl_dbline;
1986 EXT MGVTBL vtbl_isa;
1987 EXT MGVTBL vtbl_isaelem;
1988 EXT MGVTBL vtbl_arylen;
1989 EXT MGVTBL vtbl_glob;
1990 EXT MGVTBL vtbl_mglob;
1991 EXT MGVTBL vtbl_nkeys;
1992 EXT MGVTBL vtbl_taint;
1993 EXT MGVTBL vtbl_substr;
1994 EXT MGVTBL vtbl_vec;
1995 EXT MGVTBL vtbl_pos;
1998 EXT MGVTBL vtbl_uvar;
1999 EXT MGVTBL vtbl_itervar;
2001 #ifdef USE_LOCALE_COLLATE
2002 EXT MGVTBL vtbl_collxfrm;
2006 EXT MGVTBL vtbl_amagic;
2007 EXT MGVTBL vtbl_amagicelem;
2008 #endif /* OVERLOAD */
2010 #endif /* !DOINIT */
2014 EXT long amagic_generation;
2016 #define NofAMmeth 58
2018 EXTCONST char * AMG_names[NofAMmeth] = {
2019 "fallback", "abs", /* "fallback" should be the first. */
2050 EXTCONST char * AMG_names[NofAMmeth];
2051 #endif /* def INITAMAGIC */
2057 CV* table[NofAMmeth];
2060 struct am_table_short {
2065 typedef struct am_table AMT;
2066 typedef struct am_table_short AMTS;
2068 #define AMGfallNEVER 1
2070 #define AMGfallYES 3
2072 #define AMTf_AMAGIC 1
2073 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2074 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2075 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2078 fallback_amg, abs_amg,
2079 bool__amg, nomethod_amg,
2080 string_amg, numer_amg,
2081 add_amg, add_ass_amg,
2082 subtr_amg, subtr_ass_amg,
2083 mult_amg, mult_ass_amg,
2084 div_amg, div_ass_amg,
2085 mod_amg, mod_ass_amg,
2086 pow_amg, pow_ass_amg,
2087 lshift_amg, lshift_ass_amg,
2088 rshift_amg, rshift_ass_amg,
2089 band_amg, band_ass_amg,
2090 bor_amg, bor_ass_amg,
2091 bxor_amg, bxor_ass_amg,
2104 repeat_amg, repeat_ass_amg,
2105 concat_amg, concat_ass_amg,
2110 * some compilers like to redefine cos et alia as faster
2111 * (and less accurate?) versions called F_cos et cetera (Quidquid
2112 * latine dictum sit, altum viditur.) This trick collides with
2113 * the Perl overloading (amg). The following #defines fool both.
2118 # define F_atan2_amg atan2_amg
2121 # define F_cos_amg cos_amg
2124 # define F_exp_amg exp_amg
2127 # define F_log_amg log_amg
2130 # define F_pow_amg pow_amg
2133 # define F_sin_amg sin_amg
2136 # define F_sqrt_amg sqrt_amg
2138 #endif /* _FASTMATH */
2140 #endif /* OVERLOAD */
2142 #ifdef USE_LOCALE_COLLATE
2143 EXT U32 collation_ix; /* Collation generation index */
2144 EXT char * collation_name; /* Name of current collation */
2145 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2146 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2147 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2148 #endif /* USE_LOCALE_COLLATE */
2150 #ifdef USE_LOCALE_NUMERIC
2152 EXT char * numeric_name; /* Name of current numeric locale */
2153 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2154 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2156 #define SET_NUMERIC_STANDARD() \
2158 if (! numeric_standard) \
2159 perl_set_numeric_standard(); \
2162 #define SET_NUMERIC_LOCAL() \
2164 if (! numeric_local) \
2165 perl_set_numeric_local(); \
2168 #else /* !USE_LOCALE_NUMERIC */
2170 #define SET_NUMERIC_STANDARD() /**/
2171 #define SET_NUMERIC_LOCAL() /**/
2173 #endif /* !USE_LOCALE_NUMERIC */
2175 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2177 * Now we have __attribute__ out of the way
2180 #define printf PerlIO_stdoutf
2183 #endif /* Include guard */