3 * Copyright (c) 1987-1994, 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 defined(STANDARD_C) && defined(I_STDDEF)
261 # define STRUCT_OFFSET(s,m) offsetof(s,m)
263 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
266 #if defined(I_STRING) || defined(__cplusplus)
269 # include <strings.h>
272 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
274 #define strrchr rindex
282 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
284 extern char * memcpy _((char*, char*, int));
290 # define memcpy(d,s,l) bcopy(s,d,l)
292 # define memcpy(d,s,l) my_bcopy(s,d,l)
295 #endif /* HAS_MEMCPY */
298 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
300 extern char *memset _((char*, int, int));
303 # define memzero(d,l) memset(d,0,l)
307 # define memzero(d,l) bzero(d,l)
309 # define memzero(d,l) my_bzero(d,l)
312 #endif /* HAS_MEMSET */
314 #if !defined(HAS_MEMMOVE) && !defined(memmove)
315 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
316 # define memmove(d,s,l) bcopy(s,d,l)
318 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
319 # define memmove(d,s,l) memcpy(d,s,l)
321 # define memmove(d,s,l) my_bcopy(s,d,l)
326 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
330 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
331 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
333 extern int memcmp _((char*, char*, int));
337 # pragma function(memcmp)
341 # define memcmp my_memcmp
343 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
347 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
349 #endif /* !HAS_BCMP */
352 # include <netinet/in.h>
356 #include <sys/stat.h>
359 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
360 like UTekV) are broken, sometimes giving false positives. Undefine
361 them here and let the code below set them to proper values.
363 The ghs macro stands for GreenHills Software C-1.8.5 which
364 is the C compiler for sysV88 and the various derivatives.
365 This header file bug is corrected in gcc-2.5.8 and later versions.
366 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
368 #if defined(uts) || (defined(m88k) && defined(ghs))
382 # ifdef I_SYS_TIME_KERNEL
385 # include <sys/time.h>
386 # ifdef I_SYS_TIME_KERNEL
391 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
392 # include <sys/times.h>
395 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
401 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
403 #endif /* !HAS_MKFIFO */
408 # include <net/errno.h>
413 # define SETERRNO(errcode,vmserrcode) \
415 set_errno(errcode); \
416 set_vaxc_errno(vmserrcode); \
419 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
423 extern int errno; /* ANSI allows errno to be an lvalue expr */
428 char *strerror _((int,...));
430 char *strerror _((int));
433 # define Strerror strerror
436 # ifdef HAS_SYS_ERRLIST
438 extern char *sys_errlist[];
440 # define Strerror(e) \
441 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
447 # define STATUS_NATIVE statusvalue_vms
448 # define STATUS_NATIVE_EXPORT \
449 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
450 # define STATUS_NATIVE_SET(n) \
452 statusvalue_vms = (n); \
453 if ((I32)statusvalue_vms == -1) \
455 else if (statusvalue_vms & STS$M_SUCCESS) \
457 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
458 statusvalue = 1 << 8; \
460 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
462 # define STATUS_POSIX statusvalue
463 # ifdef VMSISH_STATUS
464 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
466 # define STATUS_CURRENT STATUS_POSIX
468 # define STATUS_POSIX_SET(n) \
471 if (statusvalue != -1) { \
472 statusvalue &= 0xFFFF; \
473 statusvalue_vms = statusvalue ? 44 : 1; \
475 else statusvalue_vms = -1; \
477 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
478 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
480 # define STATUS_NATIVE STATUS_POSIX
481 # define STATUS_NATIVE_EXPORT STATUS_POSIX
482 # define STATUS_NATIVE_SET STATUS_POSIX_SET
483 # define STATUS_POSIX statusvalue
484 # define STATUS_POSIX_SET(n) \
487 if (statusvalue != -1) \
488 statusvalue &= 0xFFFF; \
490 # define STATUS_CURRENT STATUS_POSIX
491 # define STATUS_ALL_SUCCESS (statusvalue = 0)
492 # define STATUS_ALL_FAILURE (statusvalue = 1)
497 # include <sys/ioctl.h>
501 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
502 # ifdef HAS_SOCKETPAIR
503 # undef HAS_SOCKETPAIR
518 /* Configure already sets Direntry_t */
519 #if defined(I_DIRENT)
521 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
522 # include <sys/dir.h>
526 # include <sys/ndir.h>
530 # include <ndir.h> /* may be wrong in the future */
532 # include <sys/dir.h>
539 /* work around botch in SunOS 4.0.1 and 4.0.2 */
541 # define fputs(sv,fp) fprintf(fp,"%s",sv)
546 * The following gobbledygook brought to you on behalf of __STDC__.
547 * (I could just use #ifndef __STDC__, but this is more bulletproof
548 * in the face of half-implementations.)
553 # define S_IFMT _S_IFMT
555 # define S_IFMT 0170000
560 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
564 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
569 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
571 # define S_ISBLK(m) (0)
576 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
581 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
583 # define S_ISFIFO(m) (0)
589 # define S_ISLNK(m) _S_ISLNK(m)
592 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
595 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
597 # define S_ISLNK(m) (0)
605 # define S_ISSOCK(m) _S_ISSOCK(m)
608 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
611 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
613 # define S_ISSOCK(m) (0)
621 # define S_IRUSR S_IREAD
622 # define S_IWUSR S_IWRITE
623 # define S_IXUSR S_IEXEC
625 # define S_IRUSR 0400
626 # define S_IWUSR 0200
627 # define S_IXUSR 0100
629 # define S_IRGRP (S_IRUSR>>3)
630 # define S_IWGRP (S_IWUSR>>3)
631 # define S_IXGRP (S_IXUSR>>3)
632 # define S_IROTH (S_IRUSR>>6)
633 # define S_IWOTH (S_IWUSR>>6)
634 # define S_IXOTH (S_IXUSR>>6)
638 # define S_ISUID 04000
642 # define S_ISGID 02000
649 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
650 # define SLOPPYDIVIDE
657 /* XXX QUAD stuff is not currently supported on most systems.
658 Specifically, perl internals don't support long long. Among
659 the many problems is that some compilers support long long,
660 but the underlying library functions (such as sprintf) don't.
661 Some things do work (such as quad pack/unpack on convex);
662 also some systems use long long for the fpos_t typedef. That
665 The IV type is supposed to be long enough to hold any integral
667 --Andy Dougherty August 1996
674 # define Quad_t long long
676 # if BYTEORDER > 0xFFFF
685 typedef unsigned Quad_t UV;
686 # define IV_MAX PERL_QUAD_MAX
687 # define IV_MIN PERL_QUAD_MIN
688 # define UV_MAX PERL_UQUAD_MAX
689 # define UV_MIN PERL_UQUAD_MIN
692 typedef unsigned long UV;
693 # define IV_MAX PERL_LONG_MAX
694 # define IV_MIN PERL_LONG_MIN
695 # define UV_MAX PERL_ULONG_MAX
696 # define UV_MIN PERL_ULONG_MIN
699 /* Previously these definitions used hardcoded figures.
700 * It is hoped these formula are more portable, although
701 * no data one way or another is presently known to me.
702 * The "PERL_" names are used because these calculated constants
703 * do not meet the ANSI requirements for LONG_MAX, etc., which
704 * need to be constants acceptable to #if - kja
705 * define PERL_LONG_MAX 2147483647L
706 * define PERL_LONG_MIN (-LONG_MAX - 1)
707 * define PERL ULONG_MAX 4294967295L
710 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
719 * Try to figure out max and min values for the integral types. THE CORRECT
720 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
721 * following hacks are used if neither limits.h or values.h provide them:
722 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
723 * for types < int: (unsigned TYPE)~(unsigned)0
724 * The argument to ~ must be unsigned so that later signed->unsigned
725 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
726 * and it must not be smaller than int because ~ does integral promotion.
727 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
728 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
729 * The latter is a hack which happens to work on some machines but
730 * does *not* catch any random system, or things like integer types
731 * with NaN if that is possible.
733 * All of the types are explicitly cast to prevent accidental loss of
734 * numeric range, and in the hope that they will be less likely to confuse
735 * over-eager optimizers.
739 #define PERL_UCHAR_MIN ((unsigned char)0)
742 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
745 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
747 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
752 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
753 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
754 * depending on local options. Until Configure detects this (or at least
755 * detects whether the "signed" keyword is available) the CHAR ranges
756 * will not be included. UCHAR functions normally.
760 #define PERL_USHORT_MIN ((unsigned short)0)
763 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
766 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
768 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
773 # define PERL_SHORT_MAX ((short)SHORT_MAX)
775 # ifdef MAXSHORT /* Often used in <values.h> */
776 # define PERL_SHORT_MAX ((short)MAXSHORT)
778 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
783 # define PERL_SHORT_MIN ((short)SHORT_MIN)
786 # define PERL_SHORT_MIN ((short)MINSHORT)
788 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
793 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
796 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
798 # define PERL_UINT_MAX (~(unsigned int)0)
802 #define PERL_UINT_MIN ((unsigned int)0)
805 # define PERL_INT_MAX ((int)INT_MAX)
807 # ifdef MAXINT /* Often used in <values.h> */
808 # define PERL_INT_MAX ((int)MAXINT)
810 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
815 # define PERL_INT_MIN ((int)INT_MIN)
818 # define PERL_INT_MIN ((int)MININT)
820 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
825 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
828 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
830 # define PERL_ULONG_MAX (~(unsigned long)0)
834 #define PERL_ULONG_MIN ((unsigned long)0L)
837 # define PERL_LONG_MAX ((long)LONG_MAX)
839 # ifdef MAXLONG /* Often used in <values.h> */
840 # define PERL_LONG_MAX ((long)MAXLONG)
842 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
847 # define PERL_LONG_MIN ((long)LONG_MIN)
850 # define PERL_LONG_MIN ((long)MINLONG)
852 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
859 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
861 # define PERL_UQUAD_MAX (~(UV)0)
864 # define PERL_UQUAD_MIN ((UV)0)
867 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
869 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
873 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
875 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
880 typedef MEM_SIZE STRLEN;
882 typedef struct op OP;
883 typedef struct cop COP;
884 typedef struct unop UNOP;
885 typedef struct binop BINOP;
886 typedef struct listop LISTOP;
887 typedef struct logop LOGOP;
888 typedef struct condop CONDOP;
889 typedef struct pmop PMOP;
890 typedef struct svop SVOP;
891 typedef struct gvop GVOP;
892 typedef struct pvop PVOP;
893 typedef struct loop LOOP;
895 typedef struct Outrec Outrec;
896 typedef struct interpreter PerlInterpreter;
897 typedef struct ff FF;
898 typedef struct sv SV;
899 typedef struct av AV;
900 typedef struct hv HV;
901 typedef struct cv CV;
902 typedef struct regexp REGEXP;
903 typedef struct gp GP;
904 typedef struct gv GV;
905 typedef struct io IO;
906 typedef struct context CONTEXT;
907 typedef struct block BLOCK;
909 typedef struct magic MAGIC;
910 typedef struct xrv XRV;
911 typedef struct xpv XPV;
912 typedef struct xpviv XPVIV;
913 typedef struct xpvuv XPVUV;
914 typedef struct xpvnv XPVNV;
915 typedef struct xpvmg XPVMG;
916 typedef struct xpvlv XPVLV;
917 typedef struct xpvav XPVAV;
918 typedef struct xpvhv XPVHV;
919 typedef struct xpvgv XPVGV;
920 typedef struct xpvcv XPVCV;
921 typedef struct xpvbm XPVBM;
922 typedef struct xpvfm XPVFM;
923 typedef struct xpvio XPVIO;
924 typedef struct mgvtbl MGVTBL;
925 typedef union any ANY;
929 typedef I32 (*filter_t) _((int, SV *, int));
930 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
931 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
932 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
945 # include "./plan9/plan9ish.h"
947 # include "unixish.h"
952 /* Some unistd.h's give a prototype for pause() even though
953 HAS_PAUSE ends up undefined. This causes the #define
954 below to be rejected by the compmiler. Sigh.
959 #define Pause() sleep((32767<<16)+32767)
964 /* on BSDish systes we're safe */
965 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
967 /* otherwise guess at what's safe */
968 # define IOCPARM_LEN(x) 256
977 void (*any_dptr) _((void*));
994 /* work around some libPW problems */
999 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1003 #if defined(htonl) && !defined(HAS_HTONL)
1006 #if defined(htons) && !defined(HAS_HTONS)
1009 #if defined(ntohl) && !defined(HAS_NTOHL)
1012 #if defined(ntohs) && !defined(HAS_NTOHS)
1016 #if (BYTEORDER & 0xffff) != 0x4321
1022 #define htons my_swap
1023 #define htonl my_htonl
1024 #define ntohs my_swap
1025 #define ntohl my_ntohl
1028 #if (BYTEORDER & 0xffff) == 0x4321
1037 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1040 #if BYTEORDER != 0x1234
1045 # if BYTEORDER == 0x4321
1046 # define vtohl(x) ((((x)&0xFF)<<24) \
1048 +(((x)&0x0000FF00)<<8) \
1049 +(((x)&0x00FF0000)>>8) )
1050 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1051 # define htovl(x) vtohl(x)
1052 # define htovs(x) vtohs(x)
1054 /* otherwise default to functions in util.c */
1058 #define U_S(what) ((U16)(what))
1059 #define U_I(what) ((unsigned int)(what))
1060 #define U_L(what) ((U32)(what))
1065 U32 cast_ulong _((double));
1069 #define U_S(what) ((U16)cast_ulong((double)(what)))
1070 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1071 #define U_L(what) (cast_ulong((double)(what)))
1075 #define I_32(what) ((I32)(what))
1076 #define I_V(what) ((IV)(what))
1077 #define U_V(what) ((UV)(what))
1082 I32 cast_i32 _((double));
1083 IV cast_iv _((double));
1084 UV cast_uv _((double));
1088 #define I_32(what) (cast_i32((double)(what)))
1089 #define I_V(what) (cast_iv((double)(what)))
1090 #define U_V(what) (cast_uv((double)(what)))
1104 # define TMPPATH "/tmp/perl-eXXXXXX"
1108 Uid_t getuid _((void));
1109 Uid_t geteuid _((void));
1110 Gid_t getgid _((void));
1111 Gid_t getegid _((void));
1115 #ifndef Perl_debug_log
1116 #define Perl_debug_log PerlIO_stderr()
1120 #define DEBUG(a) if (debug) a
1121 #define DEBUG_p(a) if (debug & 1) a
1122 #define DEBUG_s(a) if (debug & 2) a
1123 #define DEBUG_l(a) if (debug & 4) a
1124 #define DEBUG_t(a) if (debug & 8) a
1125 #define DEBUG_o(a) if (debug & 16) a
1126 #define DEBUG_c(a) if (debug & 32) a
1127 #define DEBUG_P(a) if (debug & 64) a
1128 #define DEBUG_m(a) if (curinterp && debug & 128) a
1129 #define DEBUG_f(a) if (debug & 256) a
1130 #define DEBUG_r(a) if (debug & 512) a
1131 #define DEBUG_x(a) if (debug & 1024) a
1132 #define DEBUG_u(a) if (debug & 2048) a
1133 #define DEBUG_L(a) if (debug & 4096) a
1134 #define DEBUG_H(a) if (debug & 8192) a
1135 #define DEBUG_X(a) if (debug & 16384) a
1136 #define DEBUG_D(a) if (debug & 32768) a
1157 #define YYMAXDEPTH 300
1159 #ifndef assert /* <assert.h> might have been included somehow */
1160 #define assert(what) DEB( { \
1162 croak("Assertion failed: file \"%s\", line %d", \
1163 __FILE__, __LINE__); \
1169 I32 (*uf_val)_((IV, SV*));
1170 I32 (*uf_set)_((IV, SV*));
1174 /* Fix these up for __STDC__ */
1176 char *mktemp _((char*));
1177 double atof _((const char*));
1181 /* All of these are in stdlib.h or time.h for ANSI C */
1183 struct tm *gmtime(), *localtime();
1184 char *strchr(), *strrchr();
1185 char *strcpy(), *strcat();
1186 #endif /* ! STANDARD_C */
1195 double exp _((double));
1196 double log _((double));
1197 double sqrt _((double));
1198 double modf _((double,double*));
1199 double sin _((double));
1200 double cos _((double));
1201 double atan2 _((double,double));
1202 double pow _((double,double));
1209 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1210 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1212 char *crypt _((const char*, const char*));
1214 char *getenv _((const char*));
1215 Off_t lseek _((int,Off_t,int));
1216 char *getlogin _((void));
1219 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1220 #define UNLINK unlnk
1221 I32 unlnk _((char*));
1223 #define UNLINK unlink
1226 #ifndef HAS_SETREUID
1227 # ifdef HAS_SETRESUID
1228 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1229 # define HAS_SETREUID
1232 #ifndef HAS_SETREGID
1233 # ifdef HAS_SETRESGID
1234 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1235 # define HAS_SETREGID
1239 typedef Signal_t (*Sighandler_t) _((int));
1241 #ifdef HAS_SIGACTION
1242 typedef struct sigaction Sigsave_t;
1244 typedef Sighandler_t Sigsave_t;
1256 # ifndef DEBUGGING_MSTATS
1257 # define DEBUGGING_MSTATS
1260 # define PAD_SV(po) pad_sv(po)
1262 # define PAD_SV(po) curpad[po]
1270 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1271 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1272 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1273 extern char ** environ; /* environment variables supplied via exec */
1275 # if defined(NeXT) && defined(__DYNAMIC__)
1277 # include <mach-o/dyld.h>
1278 EXT char *** environ_pointer;
1279 # define environ (*environ_pointer)
1281 #endif /* environ processing */
1283 EXT int uid; /* current real user id */
1284 EXT int euid; /* current effective user id */
1285 EXT int gid; /* current real group id */
1286 EXT int egid; /* current effective group id */
1287 EXT bool nomemok; /* let malloc context handle nomem */
1288 EXT U32 an; /* malloc sequence number */
1289 EXT U32 cop_seqmax; /* statement sequence number */
1290 EXT U16 op_seqmax; /* op sequence number */
1291 EXT U32 evalseq; /* eval sequence number */
1292 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1293 EXT char ** origenviron;
1295 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1296 EXT U32 * profiledata;
1297 EXT int maxo INIT(MAXO);/* Number of ops */
1298 EXT char * osname; /* operating system */
1299 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1301 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1302 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1303 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1304 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1305 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1306 EXT HE * he_root; /* free he list--shared by interpreters */
1307 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1308 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1310 /* Stack for currently executing thread--context switch must handle this. */
1311 EXT SV ** stack_base; /* stack->array_ary */
1312 EXT SV ** stack_sp; /* stack pointer now */
1313 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1315 /* likewise for these */
1317 EXT OP * op; /* current op--oughta be in a global register */
1319 EXT I32 * scopestack; /* blocks we've entered */
1320 EXT I32 scopestack_ix;
1321 EXT I32 scopestack_max;
1323 EXT ANY* savestack; /* to save non-local values on */
1324 EXT I32 savestack_ix;
1325 EXT I32 savestack_max;
1327 EXT OP ** retstack; /* returns we've pushed */
1328 EXT I32 retstack_ix;
1329 EXT I32 retstack_max;
1331 EXT I32 * markstack; /* stackmarks we're remembering */
1332 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1333 EXT I32 * markstack_max; /* stackmarks we're remembering */
1340 EXT char buf[2048]; /* should be longer than PATH_MAX */
1341 EXT char tokenbuf[256];
1342 EXT struct stat statbuf;
1344 EXT struct tms timesbuf;
1346 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1348 /* for tmp use in stupid debuggers */
1353 /* handy constants */
1354 EXTCONST char * Yes INIT("1");
1355 EXTCONST char * No INIT("");
1356 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1357 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1358 EXTCONST char * vert INIT("|");
1360 EXTCONST char warn_uninit[]
1361 INIT("Use of uninitialized value");
1362 EXTCONST char warn_nosemi[]
1363 INIT("Semicolon seems to be missing");
1364 EXTCONST char warn_reserved[]
1365 INIT("Unquoted string \"%s\" may clash with future reserved word");
1366 EXTCONST char warn_nl[]
1367 INIT("Unsuccessful %s on filename containing newline");
1368 EXTCONST char no_wrongref[]
1369 INIT("Can't use %s ref as %s ref");
1370 EXTCONST char no_symref[]
1371 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1372 EXTCONST char no_usym[]
1373 INIT("Can't use an undefined value as %s reference");
1374 EXTCONST char no_aelem[]
1375 INIT("Modification of non-creatable array value attempted, subscript %d");
1376 EXTCONST char no_helem[]
1377 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1378 EXTCONST char no_modify[]
1379 INIT("Modification of a read-only value attempted");
1380 EXTCONST char no_mem[]
1381 INIT("Out of memory!\n");
1382 EXTCONST char no_security[]
1383 INIT("Insecure dependency in %s%s");
1384 EXTCONST char no_sock_func[]
1385 INIT("Unsupported socket function \"%s\" called");
1386 EXTCONST char no_dir_func[]
1387 INIT("Unsupported directory function \"%s\" called");
1388 EXTCONST char no_func[]
1389 INIT("The %s function is unimplemented");
1390 EXTCONST char no_myglob[]
1391 INIT("\"my\" variable %s can't be in a package");
1397 EXT char * cshname INIT(CSH);
1402 EXT char *sig_name[] = { SIG_NAME };
1403 EXT int sig_num[] = { SIG_NUM };
1404 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1405 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1407 EXT char *sig_name[];
1409 EXT SV * psig_ptr[];
1410 EXT SV * psig_name[];
1413 /* fast case folding tables */
1416 EXTCONST unsigned char fold[] = {
1417 0, 1, 2, 3, 4, 5, 6, 7,
1418 8, 9, 10, 11, 12, 13, 14, 15,
1419 16, 17, 18, 19, 20, 21, 22, 23,
1420 24, 25, 26, 27, 28, 29, 30, 31,
1421 32, 33, 34, 35, 36, 37, 38, 39,
1422 40, 41, 42, 43, 44, 45, 46, 47,
1423 48, 49, 50, 51, 52, 53, 54, 55,
1424 56, 57, 58, 59, 60, 61, 62, 63,
1425 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1426 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1427 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1428 'x', 'y', 'z', 91, 92, 93, 94, 95,
1429 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1430 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1431 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1432 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1433 128, 129, 130, 131, 132, 133, 134, 135,
1434 136, 137, 138, 139, 140, 141, 142, 143,
1435 144, 145, 146, 147, 148, 149, 150, 151,
1436 152, 153, 154, 155, 156, 157, 158, 159,
1437 160, 161, 162, 163, 164, 165, 166, 167,
1438 168, 169, 170, 171, 172, 173, 174, 175,
1439 176, 177, 178, 179, 180, 181, 182, 183,
1440 184, 185, 186, 187, 188, 189, 190, 191,
1441 192, 193, 194, 195, 196, 197, 198, 199,
1442 200, 201, 202, 203, 204, 205, 206, 207,
1443 208, 209, 210, 211, 212, 213, 214, 215,
1444 216, 217, 218, 219, 220, 221, 222, 223,
1445 224, 225, 226, 227, 228, 229, 230, 231,
1446 232, 233, 234, 235, 236, 237, 238, 239,
1447 240, 241, 242, 243, 244, 245, 246, 247,
1448 248, 249, 250, 251, 252, 253, 254, 255
1451 EXTCONST unsigned char fold[];
1455 EXT unsigned char fold_locale[] = {
1456 0, 1, 2, 3, 4, 5, 6, 7,
1457 8, 9, 10, 11, 12, 13, 14, 15,
1458 16, 17, 18, 19, 20, 21, 22, 23,
1459 24, 25, 26, 27, 28, 29, 30, 31,
1460 32, 33, 34, 35, 36, 37, 38, 39,
1461 40, 41, 42, 43, 44, 45, 46, 47,
1462 48, 49, 50, 51, 52, 53, 54, 55,
1463 56, 57, 58, 59, 60, 61, 62, 63,
1464 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1465 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1466 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1467 'x', 'y', 'z', 91, 92, 93, 94, 95,
1468 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1469 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1470 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1471 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1472 128, 129, 130, 131, 132, 133, 134, 135,
1473 136, 137, 138, 139, 140, 141, 142, 143,
1474 144, 145, 146, 147, 148, 149, 150, 151,
1475 152, 153, 154, 155, 156, 157, 158, 159,
1476 160, 161, 162, 163, 164, 165, 166, 167,
1477 168, 169, 170, 171, 172, 173, 174, 175,
1478 176, 177, 178, 179, 180, 181, 182, 183,
1479 184, 185, 186, 187, 188, 189, 190, 191,
1480 192, 193, 194, 195, 196, 197, 198, 199,
1481 200, 201, 202, 203, 204, 205, 206, 207,
1482 208, 209, 210, 211, 212, 213, 214, 215,
1483 216, 217, 218, 219, 220, 221, 222, 223,
1484 224, 225, 226, 227, 228, 229, 230, 231,
1485 232, 233, 234, 235, 236, 237, 238, 239,
1486 240, 241, 242, 243, 244, 245, 246, 247,
1487 248, 249, 250, 251, 252, 253, 254, 255
1490 EXT unsigned char fold_locale[];
1494 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1495 1, 2, 84, 151, 154, 155, 156, 157,
1496 165, 246, 250, 3, 158, 7, 18, 29,
1497 40, 51, 62, 73, 85, 96, 107, 118,
1498 129, 140, 147, 148, 149, 150, 152, 153,
1499 255, 182, 224, 205, 174, 176, 180, 217,
1500 233, 232, 236, 187, 235, 228, 234, 226,
1501 222, 219, 211, 195, 188, 193, 185, 184,
1502 191, 183, 201, 229, 181, 220, 194, 162,
1503 163, 208, 186, 202, 200, 218, 198, 179,
1504 178, 214, 166, 170, 207, 199, 209, 206,
1505 204, 160, 212, 216, 215, 192, 175, 173,
1506 243, 172, 161, 190, 203, 189, 164, 230,
1507 167, 248, 227, 244, 242, 255, 241, 231,
1508 240, 253, 169, 210, 245, 237, 249, 247,
1509 239, 168, 252, 251, 254, 238, 223, 221,
1510 213, 225, 177, 197, 171, 196, 159, 4,
1511 5, 6, 8, 9, 10, 11, 12, 13,
1512 14, 15, 16, 17, 19, 20, 21, 22,
1513 23, 24, 25, 26, 27, 28, 30, 31,
1514 32, 33, 34, 35, 36, 37, 38, 39,
1515 41, 42, 43, 44, 45, 46, 47, 48,
1516 49, 50, 52, 53, 54, 55, 56, 57,
1517 58, 59, 60, 61, 63, 64, 65, 66,
1518 67, 68, 69, 70, 71, 72, 74, 75,
1519 76, 77, 78, 79, 80, 81, 82, 83,
1520 86, 87, 88, 89, 90, 91, 92, 93,
1521 94, 95, 97, 98, 99, 100, 101, 102,
1522 103, 104, 105, 106, 108, 109, 110, 111,
1523 112, 113, 114, 115, 116, 117, 119, 120,
1524 121, 122, 123, 124, 125, 126, 127, 128,
1525 130, 131, 132, 133, 134, 135, 136, 137,
1526 138, 139, 141, 142, 143, 144, 145, 146
1529 EXTCONST unsigned char freq[];
1534 EXTCONST char* block_type[] = {
1543 EXTCONST char* block_type[];
1547 /*****************************************************************************/
1548 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1549 /*****************************************************************************/
1550 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1563 EXT U32 lex_state; /* next token is determined */
1564 EXT U32 lex_defer; /* state after determined token */
1565 EXT expectation lex_expect; /* expect after determined token */
1566 EXT I32 lex_brackets; /* bracket count */
1567 EXT I32 lex_formbrack; /* bracket count at outer format level */
1568 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1569 EXT I32 lex_casemods; /* casemod count */
1570 EXT I32 lex_dojoin; /* doing an array interpolation */
1571 EXT I32 lex_starts; /* how many interps done on level */
1572 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1573 EXT SV * lex_repl; /* runtime replacement from s/// */
1574 EXT OP * lex_op; /* extra info to pass back on op */
1575 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1576 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1577 EXT char * lex_brackstack; /* what kind of brackets to pop */
1578 EXT char * lex_casestack; /* what kind of case mods in effect */
1580 /* What we know when we're in LEX_KNOWNEXT state. */
1581 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1582 EXT I32 nexttype[5]; /* type of next token */
1585 EXT PerlIO * VOL rsfp INIT(Nullfp);
1588 EXT char * oldbufptr;
1589 EXT char * oldoldbufptr;
1591 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1592 EXT AV * rsfp_filters;
1594 EXT I32 multi_start; /* 1st line of multi-line string */
1595 EXT I32 multi_end; /* last line of multi-line string */
1596 EXT I32 multi_open; /* delimiter of said string */
1597 EXT I32 multi_close; /* delimiter of said string */
1600 EXT I32 error_count; /* how many errors so far, max 10 */
1601 EXT I32 subline; /* line this subroutine began on */
1602 EXT SV * subname; /* name of current subroutine */
1604 EXT CV * compcv; /* currently compiling subroutine */
1605 EXT AV * comppad; /* storage for lexically scoped temporaries */
1606 EXT AV * comppad_name; /* variable names for "my" variables */
1607 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1608 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1609 EXT I32 min_intro_pending;/* start of vars to introduce */
1610 EXT I32 max_intro_pending;/* end of vars to introduce */
1611 EXT I32 padix; /* max used index in current "register" pad */
1612 EXT I32 padix_floor; /* how low may inner block reset padix */
1613 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1616 EXT I32 thisexpr; /* name id for nothing_in_common() */
1617 EXT char * last_uni; /* position of last named-unary operator */
1618 EXT char * last_lop; /* position of last list operator */
1619 EXT OPCODE last_lop_op; /* last list operator */
1620 EXT bool in_my; /* we're compiling a "my" declaration */
1622 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1625 EXT U32 hints; /* various compilation flags */
1627 /* Note: the lowest 8 bits are reserved for
1628 stuffing into op->op_private */
1629 #define HINT_INTEGER 0x00000001
1630 #define HINT_STRICT_REFS 0x00000002
1632 #define HINT_BLOCK_SCOPE 0x00000100
1633 #define HINT_STRICT_SUBS 0x00000200
1634 #define HINT_STRICT_VARS 0x00000400
1635 #define HINT_LOCALE 0x00000800
1637 /**************************************************************************/
1638 /* This regexp stuff is global since it always happens within 1 expr eval */
1639 /**************************************************************************/
1641 EXT char * regprecomp; /* uncompiled string. */
1642 EXT char * regparse; /* Input-scan pointer. */
1643 EXT char * regxend; /* End of input for compile */
1644 EXT I32 regnpar; /* () count. */
1645 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1646 EXT I32 regsize; /* Code size. */
1647 EXT I32 regnaughty; /* How bad is this pattern? */
1648 EXT I32 regsawback; /* Did we see \1, ...? */
1650 EXT char * reginput; /* String-input pointer. */
1651 EXT char * regbol; /* Beginning of input, for ^ check. */
1652 EXT char * regeol; /* End of input, for $ check. */
1653 EXT char ** regstartp; /* Pointer to startp array. */
1654 EXT char ** regendp; /* Ditto for endp. */
1655 EXT U32 * reglastparen; /* Similarly for lastparen. */
1656 EXT char * regtill; /* How far we are required to go. */
1657 EXT U16 regflags; /* are we folding, multilining? */
1658 EXT char regprev; /* char before regbol, \n if none */
1660 EXT bool do_undump; /* -u or dump seen? */
1663 /***********************************************/
1664 /* Global only to current interpreter instance */
1665 /***********************************************/
1670 struct interpreter {
1673 #define IINIT(x) INIT(x)
1676 /* pseudo environmental stuff */
1678 IEXT char ** Iorigargv;
1682 IEXT char * Iorigfilename;
1684 IEXT SV * Iwarnhook;
1685 IEXT SV * Iparsehook;
1687 /* Various states of an input record separator SV (rs, nrs) */
1688 #define RsSNARF(sv) (! SvOK(sv))
1689 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1690 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1695 IEXT char Ipatchlevel[10];
1696 IEXT char ** Ilocalpatches;
1698 IEXT char * Isplitstr IINIT(" ");
1699 IEXT bool Ipreprocess;
1705 IEXT bool Idoswitches;
1707 IEXT bool Idoextract;
1708 IEXT bool Isawampersand; /* must save all match strings */
1709 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1712 IEXT char * Iinplace;
1713 IEXT char * Ie_tmpname;
1714 IEXT PerlIO * Ie_fp;
1716 /* This value may be raised by extensions for testing purposes */
1717 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1719 /* magical thingies */
1720 IEXT Time_t Ibasetime; /* $^T */
1721 IEXT SV * Iformfeed; /* $^L */
1722 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1723 IEXT SV * Irs; /* $/ */
1724 IEXT char * Iofs; /* $, */
1725 IEXT STRLEN Iofslen;
1726 IEXT char * Iors; /* $\ */
1727 IEXT STRLEN Iorslen;
1728 IEXT char * Iofmt; /* $# */
1729 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1730 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1731 IEXT I32 Istatusvalue; /* $? */
1733 IEXT U32 Istatusvalue_vms;
1736 IEXT struct stat Istatcache; /* _ */
1738 IEXT SV * Istatname IINIT(Nullsv);
1740 /* shortcuts to various I/O objects */
1742 IEXT GV * Ilast_in_gv;
1745 IEXT GV * Idefoutgv;
1746 IEXT GV * Iargvoutgv;
1748 /* shortcuts to regexp stuff */
1752 IEXT PMOP * Icurpm; /* what to do \ interps from */
1753 IEXT I32 * Iscreamfirst;
1754 IEXT I32 * Iscreamnext;
1755 IEXT I32 Imaxscream IINIT(-1);
1756 IEXT SV * Ilastscream;
1758 /* shortcuts to misc objects */
1761 /* shortcuts to debugging objects */
1765 IEXT SV * IDBsingle;
1767 IEXT SV * IDBsignal;
1768 IEXT AV * Ilineary; /* lines of script for debugger */
1769 IEXT AV * Idbargs; /* args to call listed by caller function */
1772 IEXT HV * Idefstash; /* main symbol table */
1773 IEXT HV * Icurstash; /* symbol table for current package */
1774 IEXT HV * Idebstash; /* symbol table for perldb package */
1775 IEXT SV * Icurstname; /* name of current package */
1776 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1777 IEXT AV * Iendav; /* names of END subroutines */
1778 IEXT HV * Istrtab; /* shared string table */
1780 /* memory management */
1781 IEXT SV ** Itmps_stack;
1782 IEXT I32 Itmps_ix IINIT(-1);
1783 IEXT I32 Itmps_floor IINIT(-1);
1785 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1786 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1787 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1788 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1790 /* funky return mechanisms */
1791 IEXT I32 Ilastspbase;
1793 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1795 /* subprocess state */
1796 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1798 /* internal state */
1799 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1800 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1801 IEXT int Idelaymagic; /* ($<,$>) = ... */
1802 IEXT bool Idirty; /* In the middle of tearing things down? */
1803 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1804 IEXT bool Itainted; /* using variables controlled by $< */
1805 IEXT bool Itainting; /* doing taint checks */
1806 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1810 IEXT I32 Idlmax IINIT(128);
1811 IEXT char * Idebname;
1812 IEXT char * Idebdelim;
1814 /* current interpreter roots */
1816 IEXT OP * Imain_root;
1817 IEXT OP * Imain_start;
1818 IEXT OP * Ieval_root;
1819 IEXT OP * Ieval_start;
1821 /* runtime control stuff */
1822 IEXT COP * VOL Icurcop IINIT(&compiling);
1823 IEXT COP * Icurcopdb IINIT(NULL);
1824 IEXT line_t Icopline IINIT(NOLINE);
1825 IEXT CONTEXT * Icxstack;
1826 IEXT I32 Icxstack_ix IINIT(-1);
1827 IEXT I32 Icxstack_max IINIT(128);
1828 IEXT Sigjmp_buf Itop_env;
1832 IEXT AV * Icurstack; /* THE STACK */
1833 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1834 IEXT SV ** Imystack_base; /* stack->array_ary */
1835 IEXT SV ** Imystack_sp; /* stack pointer now */
1836 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1838 /* format accumulators */
1839 IEXT SV * Iformtarget;
1840 IEXT SV * Ibodytarget;
1841 IEXT SV * Itoptarget;
1843 /* statics moved here for shared library purposes */
1844 IEXT SV Istrchop; /* return value from chop */
1845 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1846 IEXT int Ilastfd; /* what to preserve mode on */
1847 IEXT char * Ioldname; /* what to preserve mode on */
1848 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1849 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1850 IEXT OP * Isortcop; /* user defined sort routine */
1851 IEXT HV * Isortstash; /* which is in some package or other */
1852 IEXT GV * Ifirstgv; /* $a */
1853 IEXT GV * Isecondgv; /* $b */
1854 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1855 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1856 IEXT SV * Imystrk; /* temp key string for do_each() */
1857 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1858 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1859 IEXT I32 Igensym; /* next symbol for getsym() to define */
1860 IEXT bool Ipreambled;
1861 IEXT AV * Ipreambleav;
1862 IEXT int Ilaststatval IINIT(-1);
1863 IEXT I32 Ilaststype IINIT(OP_STAT);
1871 struct interpreter {
1885 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1886 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1888 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1889 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1896 /* The following must follow proto.h */
1900 EXT MGVTBL vtbl_sv = {magic_get,
1904 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1905 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1908 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1909 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1913 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1915 EXT MGVTBL vtbl_packelem = {magic_getpack,
1919 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1921 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1923 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1925 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1928 EXT MGVTBL vtbl_glob = {magic_getglob,
1931 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1933 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1935 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1937 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1939 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1941 EXT MGVTBL vtbl_pos = {magic_getpos,
1944 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1946 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1948 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1951 EXT MGVTBL vtbl_itervar = {magic_getitervar,magic_setitervar,
1952 0, 0, magic_freeitervar};
1954 #ifdef USE_LOCALE_COLLATE
1955 EXT MGVTBL vtbl_collxfrm = {0,
1961 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1962 0, 0, magic_setamagic};
1963 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1964 0, 0, magic_setamagic};
1965 #endif /* OVERLOAD */
1970 EXT MGVTBL vtbl_env;
1971 EXT MGVTBL vtbl_envelem;
1972 EXT MGVTBL vtbl_sig;
1973 EXT MGVTBL vtbl_sigelem;
1974 EXT MGVTBL vtbl_pack;
1975 EXT MGVTBL vtbl_packelem;
1976 EXT MGVTBL vtbl_dbline;
1977 EXT MGVTBL vtbl_isa;
1978 EXT MGVTBL vtbl_isaelem;
1979 EXT MGVTBL vtbl_arylen;
1980 EXT MGVTBL vtbl_glob;
1981 EXT MGVTBL vtbl_mglob;
1982 EXT MGVTBL vtbl_nkeys;
1983 EXT MGVTBL vtbl_taint;
1984 EXT MGVTBL vtbl_substr;
1985 EXT MGVTBL vtbl_vec;
1986 EXT MGVTBL vtbl_pos;
1989 EXT MGVTBL vtbl_uvar;
1990 EXT MGVTBL vtbl_itervar;
1992 #ifdef USE_LOCALE_COLLATE
1993 EXT MGVTBL vtbl_collxfrm;
1997 EXT MGVTBL vtbl_amagic;
1998 EXT MGVTBL vtbl_amagicelem;
1999 #endif /* OVERLOAD */
2001 #endif /* !DOINIT */
2005 EXT long amagic_generation;
2007 #define NofAMmeth 58
2009 EXTCONST char * AMG_names[NofAMmeth] = {
2010 "fallback", "abs", /* "fallback" should be the first. */
2041 EXTCONST char * AMG_names[NofAMmeth];
2042 #endif /* def INITAMAGIC */
2048 CV* table[NofAMmeth];
2051 struct am_table_short {
2056 typedef struct am_table AMT;
2057 typedef struct am_table_short AMTS;
2059 #define AMGfallNEVER 1
2061 #define AMGfallYES 3
2063 #define AMTf_AMAGIC 1
2064 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2065 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2066 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2069 fallback_amg, abs_amg,
2070 bool__amg, nomethod_amg,
2071 string_amg, numer_amg,
2072 add_amg, add_ass_amg,
2073 subtr_amg, subtr_ass_amg,
2074 mult_amg, mult_ass_amg,
2075 div_amg, div_ass_amg,
2076 mod_amg, mod_ass_amg,
2077 pow_amg, pow_ass_amg,
2078 lshift_amg, lshift_ass_amg,
2079 rshift_amg, rshift_ass_amg,
2080 band_amg, band_ass_amg,
2081 bor_amg, bor_ass_amg,
2082 bxor_amg, bxor_ass_amg,
2095 repeat_amg, repeat_ass_amg,
2096 concat_amg, concat_ass_amg,
2101 * some compilers like to redefine cos et alia as faster
2102 * (and less accurate?) versions called F_cos et cetera (Quidquid
2103 * latine dictum sit, altum viditur.) This trick collides with
2104 * the Perl overloading (amg). The following #defines fool both.
2109 # define F_atan2_amg atan2_amg
2112 # define F_cos_amg cos_amg
2115 # define F_exp_amg exp_amg
2118 # define F_log_amg log_amg
2121 # define F_pow_amg pow_amg
2124 # define F_sin_amg sin_amg
2127 # define F_sqrt_amg sqrt_amg
2129 #endif /* _FASTMATH */
2131 #endif /* OVERLOAD */
2133 #ifdef USE_LOCALE_COLLATE
2134 EXT U32 collation_ix; /* Collation generation index */
2135 EXT char * collation_name; /* Name of current collation */
2136 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2137 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2138 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2139 #endif /* USE_LOCALE_COLLATE */
2141 #ifdef USE_LOCALE_NUMERIC
2143 EXT char * numeric_name; /* Name of current numeric locale */
2144 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2145 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2147 #define SET_NUMERIC_STANDARD() \
2149 if (! numeric_standard) \
2150 perl_set_numeric_standard(); \
2153 #define SET_NUMERIC_LOCAL() \
2155 if (! numeric_local) \
2156 perl_set_numeric_local(); \
2159 #else /* !USE_LOCALE_NUMERIC */
2161 #define SET_NUMERIC_STANDARD() /**/
2162 #define SET_NUMERIC_LOCAL() /**/
2164 #endif /* !USE_LOCALE_NUMERIC */
2166 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2168 * Now we have __attribute__ out of the way
2171 #define printf PerlIO_stdoutf
2174 #endif /* Include guard */