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 */
34 # define stringify_immed(s) #s
35 # define stringify(s) stringify_immed(s)
36 register struct op *op asm(stringify(OP_IN_REGISTER));
41 * STMT_START { statements; } STMT_END;
42 * can be used as a single statement, as in
43 * if (x) STMT_START { ... } STMT_END; else ...
45 * Trying to select a version that gives no warnings...
47 #if !(defined(STMT_START) && defined(STMT_END))
48 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
49 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
52 /* Now which other defined()s do we need here ??? */
53 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
54 # define STMT_START if (1)
55 # define STMT_END else (void)0
57 # define STMT_START do
58 # define STMT_END while (0)
70 * SOFT_CAST can be used for args to prototyped functions to retain some
71 * type checking; it only casts if the compiler does not know prototypes.
73 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
74 #define SOFT_CAST(type)
76 #define SOFT_CAST(type) (type)
80 # define BYTEORDER 0x1234
83 /* Overall memory policy? */
89 * The following contortions are brought to you on behalf of all the
90 * standards, semi-standards, de facto standards, not-so-de-facto standards
91 * of the world, as well as all the other botches anyone ever thought of.
92 * The basic theory is that if we work hard enough here, the rest of the
93 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
96 /* define this once if either system, instead of cluttering up the src */
97 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
101 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
102 # define STANDARD_C 1
105 #if defined(__cplusplus) || defined(WIN32)
106 # define DONT_DECLARE_STD 1
109 #if defined(HASVOLATILE) || defined(STANDARD_C)
111 # define VOL // to temporarily suppress warnings
113 # define VOL volatile
119 #define TAINT (tainted = TRUE)
120 #define TAINT_NOT (tainted = FALSE)
121 #define TAINT_IF(c) if (c) { tainted = TRUE; }
122 #define TAINT_ENV() if (tainting) { taint_env(); }
123 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
125 /* XXX All process group stuff is handled in pp_sys.c. Should these
126 defines move there? If so, I could simplify this a lot. --AD 9/96.
128 /* Process group stuff changed from traditional BSD to POSIX.
129 perlfunc.pod documents the traditional BSD-style syntax, so we'll
130 try to preserve that, if possible.
133 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
135 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
136 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
138 # ifdef HAS_SETPGRP2 /* DG/UX */
139 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
143 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
144 # define HAS_SETPGRP /* Well, effectively it does . . . */
147 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
148 our life easier :-) so we'll try it.
151 # define BSD_GETPGRP(pid) getpgid((pid))
153 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
154 # define BSD_GETPGRP(pid) getpgrp((pid))
156 # ifdef HAS_GETPGRP2 /* DG/UX */
157 # define BSD_GETPGRP(pid) getpgrp2((pid))
161 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
162 # define HAS_GETPGRP /* Well, effectively it does . . . */
165 /* These are not exact synonyms, since setpgrp() and getpgrp() may
166 have different behaviors, but perl.h used to define USE_BSDPGRP
167 (prior to 5.003_05) so some extension might depend on it.
169 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
175 #ifndef _TYPES_ /* If types.h defines this it's easy. */
176 # ifndef major /* Does everyone's types.h define this? */
177 # include <sys/types.h>
191 # include <varargs.h>
197 #ifdef USE_NEXT_CTYPE
199 #if NX_CURRENT_COMPILER_RELEASE >= 400
200 #include <objc/NXCType.h>
201 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
202 #include <appkit/NXCType.h>
203 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
205 #else /* !USE_NEXT_CTYPE */
207 #endif /* USE_NEXT_CTYPE */
209 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
217 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
219 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
220 && defined(HAS_STRXFRM)
221 # define USE_LOCALE_COLLATE
223 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
224 # define USE_LOCALE_CTYPE
226 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
227 # define USE_LOCALE_NUMERIC
229 #endif /* !NO_LOCALE && HAS_SETLOCALE */
234 # ifdef PARAM_NEEDS_TYPES
235 # include <sys/types.h>
237 # include <sys/param.h>
241 /* Use all the "standard" definitions? */
242 #if defined(STANDARD_C) && defined(I_STDLIB)
246 /* This comes after <stdlib.h> so we don't try to change the standard
247 * library prototypes; we'll use our own in proto.h instead. */
252 # define malloc Mymalloc
253 # define calloc Mycalloc
254 # define realloc Myremalloc
257 # ifdef EMBEDMYMALLOC
258 # define malloc Perl_malloc
259 # define calloc Perl_calloc
260 # define realloc Perl_realloc
261 # define free Perl_free
268 # define safemalloc malloc
269 # define safecalloc calloc
270 # define saferealloc realloc
271 # define safefree free
273 #endif /* MYMALLOC */
275 #define MEM_SIZE Size_t
277 #if defined(STANDARD_C) && defined(I_STDDEF)
279 # define STRUCT_OFFSET(s,m) offsetof(s,m)
281 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
284 #if defined(I_STRING) || defined(__cplusplus)
287 # include <strings.h>
290 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
292 #define strrchr rindex
300 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
302 extern char * memcpy _((char*, char*, int));
308 # define memcpy(d,s,l) bcopy(s,d,l)
310 # define memcpy(d,s,l) my_bcopy(s,d,l)
313 #endif /* HAS_MEMCPY */
316 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
318 extern char *memset _((char*, int, int));
322 # define memset(d,c,l) my_memset(d,c,l)
323 #endif /* HAS_MEMSET */
325 #if !defined(HAS_MEMMOVE) && !defined(memmove)
326 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
327 # define memmove(d,s,l) bcopy(s,d,l)
329 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
330 # define memmove(d,s,l) memcpy(d,s,l)
332 # define memmove(d,s,l) my_bcopy(s,d,l)
337 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
341 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
342 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
344 extern int memcmp _((char*, char*, int));
348 # pragma function(memcmp)
352 # define memcmp my_memcmp
354 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
358 # define memzero(d,l) memset(d,0,l)
361 # define memzero(d,l) bzero(d,l)
363 # define memzero(d,l) my_bzero(d,l)
370 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
372 #endif /* !HAS_BCMP */
375 # include <netinet/in.h>
379 #include <sys/stat.h>
382 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
383 like UTekV) are broken, sometimes giving false positives. Undefine
384 them here and let the code below set them to proper values.
386 The ghs macro stands for GreenHills Software C-1.8.5 which
387 is the C compiler for sysV88 and the various derivatives.
388 This header file bug is corrected in gcc-2.5.8 and later versions.
389 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
391 #if defined(uts) || (defined(m88k) && defined(ghs))
405 # ifdef I_SYS_TIME_KERNEL
408 # include <sys/time.h>
409 # ifdef I_SYS_TIME_KERNEL
414 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
415 # include <sys/times.h>
418 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
424 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
426 #endif /* !HAS_MKFIFO */
431 # include <net/errno.h>
436 # define SETERRNO(errcode,vmserrcode) \
438 set_errno(errcode); \
439 set_vaxc_errno(vmserrcode); \
442 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
446 extern int errno; /* ANSI allows errno to be an lvalue expr */
451 char *strerror _((int,...));
453 #ifndef DONT_DECLARE_STD
454 char *strerror _((int));
458 # define Strerror strerror
461 # ifdef HAS_SYS_ERRLIST
463 extern char *sys_errlist[];
465 # define Strerror(e) \
466 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
473 # include <sys/ioctl.h>
477 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
478 # ifdef HAS_SOCKETPAIR
479 # undef HAS_SOCKETPAIR
494 /* Configure already sets Direntry_t */
495 #if defined(I_DIRENT)
497 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
498 # include <sys/dir.h>
502 # include <sys/ndir.h>
506 # include <ndir.h> /* may be wrong in the future */
508 # include <sys/dir.h>
515 /* work around botch in SunOS 4.0.1 and 4.0.2 */
517 # define fputs(sv,fp) fprintf(fp,"%s",sv)
522 * The following gobbledygook brought to you on behalf of __STDC__.
523 * (I could just use #ifndef __STDC__, but this is more bulletproof
524 * in the face of half-implementations.)
529 # define S_IFMT _S_IFMT
531 # define S_IFMT 0170000
536 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
540 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
545 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
547 # define S_ISBLK(m) (0)
552 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
557 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
559 # define S_ISFIFO(m) (0)
565 # define S_ISLNK(m) _S_ISLNK(m)
568 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
571 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
573 # define S_ISLNK(m) (0)
581 # define S_ISSOCK(m) _S_ISSOCK(m)
584 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
587 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
589 # define S_ISSOCK(m) (0)
597 # define S_IRUSR S_IREAD
598 # define S_IWUSR S_IWRITE
599 # define S_IXUSR S_IEXEC
601 # define S_IRUSR 0400
602 # define S_IWUSR 0200
603 # define S_IXUSR 0100
605 # define S_IRGRP (S_IRUSR>>3)
606 # define S_IWGRP (S_IWUSR>>3)
607 # define S_IXGRP (S_IXUSR>>3)
608 # define S_IROTH (S_IRUSR>>6)
609 # define S_IWOTH (S_IWUSR>>6)
610 # define S_IXOTH (S_IXUSR>>6)
614 # define S_ISUID 04000
618 # define S_ISGID 02000
625 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
626 # define SLOPPYDIVIDE
633 /* XXX QUAD stuff is not currently supported on most systems.
634 Specifically, perl internals don't support long long. Among
635 the many problems is that some compilers support long long,
636 but the underlying library functions (such as sprintf) don't.
637 Some things do work (such as quad pack/unpack on convex);
638 also some systems use long long for the fpos_t typedef. That
641 The IV type is supposed to be long enough to hold any integral
643 --Andy Dougherty August 1996
650 # define Quad_t long long
652 # if BYTEORDER > 0xFFFF
661 typedef unsigned Quad_t UV;
662 # define IV_MAX PERL_QUAD_MAX
663 # define IV_MIN PERL_QUAD_MIN
664 # define UV_MAX PERL_UQUAD_MAX
665 # define UV_MIN PERL_UQUAD_MIN
668 typedef unsigned long UV;
669 # define IV_MAX PERL_LONG_MAX
670 # define IV_MIN PERL_LONG_MIN
671 # define UV_MAX PERL_ULONG_MAX
672 # define UV_MIN PERL_ULONG_MIN
675 /* Previously these definitions used hardcoded figures.
676 * It is hoped these formula are more portable, although
677 * no data one way or another is presently known to me.
678 * The "PERL_" names are used because these calculated constants
679 * do not meet the ANSI requirements for LONG_MAX, etc., which
680 * need to be constants acceptable to #if - kja
681 * define PERL_LONG_MAX 2147483647L
682 * define PERL_LONG_MIN (-LONG_MAX - 1)
683 * define PERL ULONG_MAX 4294967295L
686 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
695 * Try to figure out max and min values for the integral types. THE CORRECT
696 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
697 * following hacks are used if neither limits.h or values.h provide them:
698 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
699 * for types < int: (unsigned TYPE)~(unsigned)0
700 * The argument to ~ must be unsigned so that later signed->unsigned
701 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
702 * and it must not be smaller than int because ~ does integral promotion.
703 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
704 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
705 * The latter is a hack which happens to work on some machines but
706 * does *not* catch any random system, or things like integer types
707 * with NaN if that is possible.
709 * All of the types are explicitly cast to prevent accidental loss of
710 * numeric range, and in the hope that they will be less likely to confuse
711 * over-eager optimizers.
715 #define PERL_UCHAR_MIN ((unsigned char)0)
718 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
721 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
723 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
728 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
729 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
730 * depending on local options. Until Configure detects this (or at least
731 * detects whether the "signed" keyword is available) the CHAR ranges
732 * will not be included. UCHAR functions normally.
736 #define PERL_USHORT_MIN ((unsigned short)0)
739 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
742 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
744 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
749 # define PERL_SHORT_MAX ((short)SHORT_MAX)
751 # ifdef MAXSHORT /* Often used in <values.h> */
752 # define PERL_SHORT_MAX ((short)MAXSHORT)
754 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
759 # define PERL_SHORT_MIN ((short)SHORT_MIN)
762 # define PERL_SHORT_MIN ((short)MINSHORT)
764 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
769 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
772 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
774 # define PERL_UINT_MAX (~(unsigned int)0)
778 #define PERL_UINT_MIN ((unsigned int)0)
781 # define PERL_INT_MAX ((int)INT_MAX)
783 # ifdef MAXINT /* Often used in <values.h> */
784 # define PERL_INT_MAX ((int)MAXINT)
786 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
791 # define PERL_INT_MIN ((int)INT_MIN)
794 # define PERL_INT_MIN ((int)MININT)
796 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
801 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
804 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
806 # define PERL_ULONG_MAX (~(unsigned long)0)
810 #define PERL_ULONG_MIN ((unsigned long)0L)
813 # define PERL_LONG_MAX ((long)LONG_MAX)
815 # ifdef MAXLONG /* Often used in <values.h> */
816 # define PERL_LONG_MAX ((long)MAXLONG)
818 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
823 # define PERL_LONG_MIN ((long)LONG_MIN)
826 # define PERL_LONG_MIN ((long)MINLONG)
828 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
835 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
837 # define PERL_UQUAD_MAX (~(UV)0)
840 # define PERL_UQUAD_MIN ((UV)0)
843 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
845 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
849 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
851 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
856 /* Digital UNIX defines CONTEXT when pthreads is in use */
861 typedef MEM_SIZE STRLEN;
863 typedef struct op OP;
864 typedef struct cop COP;
865 typedef struct unop UNOP;
866 typedef struct binop BINOP;
867 typedef struct listop LISTOP;
868 typedef struct logop LOGOP;
869 typedef struct condop CONDOP;
870 typedef struct pmop PMOP;
871 typedef struct svop SVOP;
872 typedef struct gvop GVOP;
873 typedef struct pvop PVOP;
874 typedef struct loop LOOP;
876 typedef struct Outrec Outrec;
877 typedef struct interpreter PerlInterpreter;
878 typedef struct ff FF;
879 typedef struct sv SV;
880 typedef struct av AV;
881 typedef struct hv HV;
882 typedef struct cv CV;
883 typedef struct regexp REGEXP;
884 typedef struct gp GP;
885 typedef struct gv GV;
886 typedef struct io IO;
887 typedef struct context CONTEXT;
888 typedef struct block BLOCK;
890 typedef struct magic MAGIC;
891 typedef struct xrv XRV;
892 typedef struct xpv XPV;
893 typedef struct xpviv XPVIV;
894 typedef struct xpvuv XPVUV;
895 typedef struct xpvnv XPVNV;
896 typedef struct xpvmg XPVMG;
897 typedef struct xpvlv XPVLV;
898 typedef struct xpvav XPVAV;
899 typedef struct xpvhv XPVHV;
900 typedef struct xpvgv XPVGV;
901 typedef struct xpvcv XPVCV;
902 typedef struct xpvbm XPVBM;
903 typedef struct xpvfm XPVFM;
904 typedef struct xpvio XPVIO;
905 typedef struct mgvtbl MGVTBL;
906 typedef union any ANY;
910 typedef I32 (*filter_t) _((int, SV *, int));
911 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
912 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
913 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
926 # include "./plan9/plan9ish.h"
928 # include "unixish.h"
934 # define STATUS_NATIVE statusvalue_vms
935 # define STATUS_NATIVE_EXPORT \
936 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
937 # define STATUS_NATIVE_SET(n) \
939 statusvalue_vms = (n); \
940 if ((I32)statusvalue_vms == -1) \
942 else if (statusvalue_vms & STS$M_SUCCESS) \
944 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
945 statusvalue = 1 << 8; \
947 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
949 # define STATUS_POSIX statusvalue
950 # ifdef VMSISH_STATUS
951 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
953 # define STATUS_CURRENT STATUS_POSIX
955 # define STATUS_POSIX_SET(n) \
958 if (statusvalue != -1) { \
959 statusvalue &= 0xFFFF; \
960 statusvalue_vms = statusvalue ? 44 : 1; \
962 else statusvalue_vms = -1; \
964 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
965 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
967 # define STATUS_NATIVE STATUS_POSIX
968 # define STATUS_NATIVE_EXPORT STATUS_POSIX
969 # define STATUS_NATIVE_SET STATUS_POSIX_SET
970 # define STATUS_POSIX statusvalue
971 # define STATUS_POSIX_SET(n) \
974 if (statusvalue != -1) \
975 statusvalue &= 0xFFFF; \
977 # define STATUS_CURRENT STATUS_POSIX
978 # define STATUS_ALL_SUCCESS (statusvalue = 0)
979 # define STATUS_ALL_FAILURE (statusvalue = 1)
982 /* Some unistd.h's give a prototype for pause() even though
983 HAS_PAUSE ends up undefined. This causes the #define
984 below to be rejected by the compmiler. Sigh.
989 #define Pause() sleep((32767<<16)+32767)
994 /* on BSDish systes we're safe */
995 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
997 /* otherwise guess at what's safe */
998 # define IOCPARM_LEN(x) 256
1007 void (*any_dptr) _((void*));
1011 #define ARGSproto struct thread *
1013 #define ARGSproto void
1014 #endif /* USE_THREADS */
1016 /* Work around some cygwin32 problems with importing global symbols */
1017 #if defined(CYGWIN32) && defined(DLLIMPORT)
1018 # include "cw32imp.h"
1035 /* work around some libPW problems */
1040 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1044 #if defined(htonl) && !defined(HAS_HTONL)
1047 #if defined(htons) && !defined(HAS_HTONS)
1050 #if defined(ntohl) && !defined(HAS_NTOHL)
1053 #if defined(ntohs) && !defined(HAS_NTOHS)
1057 #if (BYTEORDER & 0xffff) != 0x4321
1063 #define htons my_swap
1064 #define htonl my_htonl
1065 #define ntohs my_swap
1066 #define ntohl my_ntohl
1069 #if (BYTEORDER & 0xffff) == 0x4321
1078 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1081 #if BYTEORDER != 0x1234
1086 # if BYTEORDER == 0x4321
1087 # define vtohl(x) ((((x)&0xFF)<<24) \
1089 +(((x)&0x0000FF00)<<8) \
1090 +(((x)&0x00FF0000)>>8) )
1091 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1092 # define htovl(x) vtohl(x)
1093 # define htovs(x) vtohs(x)
1095 /* otherwise default to functions in util.c */
1099 #define U_S(what) ((U16)(what))
1100 #define U_I(what) ((unsigned int)(what))
1101 #define U_L(what) ((U32)(what))
1106 U32 cast_ulong _((double));
1110 #define U_S(what) ((U16)cast_ulong((double)(what)))
1111 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1112 #define U_L(what) (cast_ulong((double)(what)))
1116 #define I_32(what) ((I32)(what))
1117 #define I_V(what) ((IV)(what))
1118 #define U_V(what) ((UV)(what))
1123 I32 cast_i32 _((double));
1124 IV cast_iv _((double));
1125 UV cast_uv _((double));
1129 #define I_32(what) (cast_i32((double)(what)))
1130 #define I_V(what) (cast_iv((double)(what)))
1131 #define U_V(what) (cast_uv((double)(what)))
1145 # define TMPPATH "/tmp/perl-eXXXXXX"
1149 Uid_t getuid _((void));
1150 Uid_t geteuid _((void));
1151 Gid_t getgid _((void));
1152 Gid_t getegid _((void));
1156 #ifndef Perl_debug_log
1157 #define Perl_debug_log PerlIO_stderr()
1161 #define DEBUG(a) if (debug) a
1162 #define DEBUG_p(a) if (debug & 1) a
1163 #define DEBUG_s(a) if (debug & 2) a
1164 #define DEBUG_l(a) if (debug & 4) a
1165 #define DEBUG_t(a) if (debug & 8) a
1166 #define DEBUG_o(a) if (debug & 16) a
1167 #define DEBUG_c(a) if (debug & 32) a
1168 #define DEBUG_P(a) if (debug & 64) a
1169 #define DEBUG_m(a) if (curinterp && debug & 128) a
1170 #define DEBUG_f(a) if (debug & 256) a
1171 #define DEBUG_r(a) if (debug & 512) a
1172 #define DEBUG_x(a) if (debug & 1024) a
1173 #define DEBUG_u(a) if (debug & 2048) a
1174 #define DEBUG_L(a) if (debug & 4096) a
1175 #define DEBUG_H(a) if (debug & 8192) a
1176 #define DEBUG_X(a) if (debug & 16384) a
1177 #define DEBUG_D(a) if (debug & 32768) a
1198 #define YYMAXDEPTH 300
1200 #ifndef assert /* <assert.h> might have been included somehow */
1201 #define assert(what) DEB( { \
1203 croak("Assertion failed: file \"%s\", line %d", \
1204 __FILE__, __LINE__); \
1210 I32 (*uf_val)_((IV, SV*));
1211 I32 (*uf_set)_((IV, SV*));
1215 /* Fix these up for __STDC__ */
1216 #ifndef DONT_DECLARE_STD
1217 char *mktemp _((char*));
1218 double atof _((const char*));
1222 /* All of these are in stdlib.h or time.h for ANSI C */
1224 struct tm *gmtime(), *localtime();
1225 char *strchr(), *strrchr();
1226 char *strcpy(), *strcat();
1227 #endif /* ! STANDARD_C */
1236 double exp _((double));
1237 double log _((double));
1238 double log10 _((double));
1239 double sqrt _((double));
1240 double frexp _((double,int*));
1241 double ldexp _((double,int));
1242 double modf _((double,double*));
1243 double sin _((double));
1244 double cos _((double));
1245 double atan2 _((double,double));
1246 double pow _((double,double));
1253 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1254 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1256 char *crypt _((const char*, const char*));
1258 #ifndef DONT_DECLARE_STD
1260 char *getenv _((const char*));
1262 Off_t lseek _((int,Off_t,int));
1264 char *getlogin _((void));
1267 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1268 #define UNLINK unlnk
1269 I32 unlnk _((char*));
1271 #define UNLINK unlink
1274 #ifndef HAS_SETREUID
1275 # ifdef HAS_SETRESUID
1276 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1277 # define HAS_SETREUID
1280 #ifndef HAS_SETREGID
1281 # ifdef HAS_SETRESGID
1282 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1283 # define HAS_SETREGID
1287 typedef Signal_t (*Sighandler_t) _((int));
1289 #ifdef HAS_SIGACTION
1290 typedef struct sigaction Sigsave_t;
1292 typedef Sighandler_t Sigsave_t;
1304 # ifndef DEBUGGING_MSTATS
1305 # define DEBUGGING_MSTATS
1308 # define PAD_SV(po) pad_sv(po)
1310 # define PAD_SV(po) curpad[po]
1318 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1320 EXT pthread_key_t thr_key; /* For per-thread struct thread ptr */
1321 EXT pthread_mutex_t sv_mutex; /* Mutex for allocating SVs in sv.c */
1322 EXT pthread_mutex_t malloc_mutex; /* Mutex for malloc */
1323 EXT pthread_mutex_t eval_mutex; /* Mutex for doeval */
1324 EXT pthread_cond_t eval_cond; /* Condition variable for doeval */
1325 EXT struct thread * eval_owner; /* Owner thread for doeval */
1326 EXT int nthreads; /* Number of threads currently */
1327 EXT pthread_mutex_t nthreads_mutex; /* Mutex for nthreads */
1328 EXT pthread_cond_t nthreads_cond; /* Condition variable for nthreads */
1329 #endif /* USE_THREADS */
1331 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1332 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1333 #ifndef DONT_DECLARE_STD
1334 extern char ** environ; /* environment variables supplied via exec */
1337 # if defined(NeXT) && defined(__DYNAMIC__)
1339 # include <mach-o/dyld.h>
1340 EXT char *** environ_pointer;
1341 # define environ (*environ_pointer)
1343 #endif /* environ processing */
1345 EXT int uid; /* current real user id */
1346 EXT int euid; /* current effective user id */
1347 EXT int gid; /* current real group id */
1348 EXT int egid; /* current effective group id */
1349 EXT bool nomemok; /* let malloc context handle nomem */
1350 EXT U32 an; /* malloc sequence number */
1351 EXT U32 cop_seqmax; /* statement sequence number */
1352 EXT U16 op_seqmax; /* op sequence number */
1353 EXT U32 evalseq; /* eval sequence number */
1354 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1355 EXT char ** origenviron;
1357 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1358 EXT U32 * profiledata;
1359 EXT int maxo INIT(MAXO);/* Number of ops */
1360 EXT char * osname; /* operating system */
1361 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1363 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1364 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1365 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1366 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1367 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1368 EXT HE * he_root; /* free he list--shared by interpreters */
1369 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1370 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1372 /* Stack for currently executing thread--context switch must handle this. */
1373 EXT SV ** stack_base; /* stack->array_ary */
1374 EXT SV ** stack_sp; /* stack pointer now */
1375 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1377 /* likewise for these */
1379 #ifdef OP_IN_REGISTER
1380 EXT OP * opsave; /* save current op register across longjmps */
1382 EXT OP * op; /* current op--when not in a global register */
1384 EXT I32 * scopestack; /* blocks we've entered */
1385 EXT I32 scopestack_ix;
1386 EXT I32 scopestack_max;
1388 EXT ANY* savestack; /* to save non-local values on */
1389 EXT I32 savestack_ix;
1390 EXT I32 savestack_max;
1392 EXT OP ** retstack; /* returns we've pushed */
1393 EXT I32 retstack_ix;
1394 EXT I32 retstack_max;
1396 EXT I32 * markstack; /* stackmarks we're remembering */
1397 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1398 EXT I32 * markstack_max; /* stackmarks we're remembering */
1405 EXT char tokenbuf[256];
1406 EXT struct stat statbuf;
1408 EXT struct tms timesbuf;
1410 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1412 /* for tmp use in stupid debuggers */
1417 /* handy constants */
1418 EXTCONST char * Yes INIT("1");
1419 EXTCONST char * No INIT("");
1420 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1421 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1422 EXTCONST char * vert INIT("|");
1424 EXTCONST char warn_uninit[]
1425 INIT("Use of uninitialized value");
1426 EXTCONST char warn_nosemi[]
1427 INIT("Semicolon seems to be missing");
1428 EXTCONST char warn_reserved[]
1429 INIT("Unquoted string \"%s\" may clash with future reserved word");
1430 EXTCONST char warn_nl[]
1431 INIT("Unsuccessful %s on filename containing newline");
1432 EXTCONST char no_wrongref[]
1433 INIT("Can't use %s ref as %s ref");
1434 EXTCONST char no_symref[]
1435 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1436 EXTCONST char no_usym[]
1437 INIT("Can't use an undefined value as %s reference");
1438 EXTCONST char no_aelem[]
1439 INIT("Modification of non-creatable array value attempted, subscript %d");
1440 EXTCONST char no_helem[]
1441 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1442 EXTCONST char no_modify[]
1443 INIT("Modification of a read-only value attempted");
1444 EXTCONST char no_mem[]
1445 INIT("Out of memory!\n");
1446 EXTCONST char no_security[]
1447 INIT("Insecure dependency in %s%s");
1448 EXTCONST char no_sock_func[]
1449 INIT("Unsupported socket function \"%s\" called");
1450 EXTCONST char no_dir_func[]
1451 INIT("Unsupported directory function \"%s\" called");
1452 EXTCONST char no_func[]
1453 INIT("The %s function is unimplemented");
1454 EXTCONST char no_myglob[]
1455 INIT("\"my\" variable %s can't be in a package");
1461 EXT char * cshname INIT(CSH);
1466 EXT char *sig_name[] = { SIG_NAME };
1467 EXT int sig_num[] = { SIG_NUM };
1468 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1469 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1471 EXT char *sig_name[];
1473 EXT SV * psig_ptr[];
1474 EXT SV * psig_name[];
1477 /* fast case folding tables */
1480 EXTCONST unsigned char fold[] = {
1481 0, 1, 2, 3, 4, 5, 6, 7,
1482 8, 9, 10, 11, 12, 13, 14, 15,
1483 16, 17, 18, 19, 20, 21, 22, 23,
1484 24, 25, 26, 27, 28, 29, 30, 31,
1485 32, 33, 34, 35, 36, 37, 38, 39,
1486 40, 41, 42, 43, 44, 45, 46, 47,
1487 48, 49, 50, 51, 52, 53, 54, 55,
1488 56, 57, 58, 59, 60, 61, 62, 63,
1489 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1490 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1491 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1492 'x', 'y', 'z', 91, 92, 93, 94, 95,
1493 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1494 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1495 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1496 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1497 128, 129, 130, 131, 132, 133, 134, 135,
1498 136, 137, 138, 139, 140, 141, 142, 143,
1499 144, 145, 146, 147, 148, 149, 150, 151,
1500 152, 153, 154, 155, 156, 157, 158, 159,
1501 160, 161, 162, 163, 164, 165, 166, 167,
1502 168, 169, 170, 171, 172, 173, 174, 175,
1503 176, 177, 178, 179, 180, 181, 182, 183,
1504 184, 185, 186, 187, 188, 189, 190, 191,
1505 192, 193, 194, 195, 196, 197, 198, 199,
1506 200, 201, 202, 203, 204, 205, 206, 207,
1507 208, 209, 210, 211, 212, 213, 214, 215,
1508 216, 217, 218, 219, 220, 221, 222, 223,
1509 224, 225, 226, 227, 228, 229, 230, 231,
1510 232, 233, 234, 235, 236, 237, 238, 239,
1511 240, 241, 242, 243, 244, 245, 246, 247,
1512 248, 249, 250, 251, 252, 253, 254, 255
1515 EXTCONST unsigned char fold[];
1519 EXT unsigned char fold_locale[] = {
1520 0, 1, 2, 3, 4, 5, 6, 7,
1521 8, 9, 10, 11, 12, 13, 14, 15,
1522 16, 17, 18, 19, 20, 21, 22, 23,
1523 24, 25, 26, 27, 28, 29, 30, 31,
1524 32, 33, 34, 35, 36, 37, 38, 39,
1525 40, 41, 42, 43, 44, 45, 46, 47,
1526 48, 49, 50, 51, 52, 53, 54, 55,
1527 56, 57, 58, 59, 60, 61, 62, 63,
1528 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1529 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1530 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1531 'x', 'y', 'z', 91, 92, 93, 94, 95,
1532 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1533 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1534 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1535 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1536 128, 129, 130, 131, 132, 133, 134, 135,
1537 136, 137, 138, 139, 140, 141, 142, 143,
1538 144, 145, 146, 147, 148, 149, 150, 151,
1539 152, 153, 154, 155, 156, 157, 158, 159,
1540 160, 161, 162, 163, 164, 165, 166, 167,
1541 168, 169, 170, 171, 172, 173, 174, 175,
1542 176, 177, 178, 179, 180, 181, 182, 183,
1543 184, 185, 186, 187, 188, 189, 190, 191,
1544 192, 193, 194, 195, 196, 197, 198, 199,
1545 200, 201, 202, 203, 204, 205, 206, 207,
1546 208, 209, 210, 211, 212, 213, 214, 215,
1547 216, 217, 218, 219, 220, 221, 222, 223,
1548 224, 225, 226, 227, 228, 229, 230, 231,
1549 232, 233, 234, 235, 236, 237, 238, 239,
1550 240, 241, 242, 243, 244, 245, 246, 247,
1551 248, 249, 250, 251, 252, 253, 254, 255
1554 EXT unsigned char fold_locale[];
1558 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1559 1, 2, 84, 151, 154, 155, 156, 157,
1560 165, 246, 250, 3, 158, 7, 18, 29,
1561 40, 51, 62, 73, 85, 96, 107, 118,
1562 129, 140, 147, 148, 149, 150, 152, 153,
1563 255, 182, 224, 205, 174, 176, 180, 217,
1564 233, 232, 236, 187, 235, 228, 234, 226,
1565 222, 219, 211, 195, 188, 193, 185, 184,
1566 191, 183, 201, 229, 181, 220, 194, 162,
1567 163, 208, 186, 202, 200, 218, 198, 179,
1568 178, 214, 166, 170, 207, 199, 209, 206,
1569 204, 160, 212, 216, 215, 192, 175, 173,
1570 243, 172, 161, 190, 203, 189, 164, 230,
1571 167, 248, 227, 244, 242, 255, 241, 231,
1572 240, 253, 169, 210, 245, 237, 249, 247,
1573 239, 168, 252, 251, 254, 238, 223, 221,
1574 213, 225, 177, 197, 171, 196, 159, 4,
1575 5, 6, 8, 9, 10, 11, 12, 13,
1576 14, 15, 16, 17, 19, 20, 21, 22,
1577 23, 24, 25, 26, 27, 28, 30, 31,
1578 32, 33, 34, 35, 36, 37, 38, 39,
1579 41, 42, 43, 44, 45, 46, 47, 48,
1580 49, 50, 52, 53, 54, 55, 56, 57,
1581 58, 59, 60, 61, 63, 64, 65, 66,
1582 67, 68, 69, 70, 71, 72, 74, 75,
1583 76, 77, 78, 79, 80, 81, 82, 83,
1584 86, 87, 88, 89, 90, 91, 92, 93,
1585 94, 95, 97, 98, 99, 100, 101, 102,
1586 103, 104, 105, 106, 108, 109, 110, 111,
1587 112, 113, 114, 115, 116, 117, 119, 120,
1588 121, 122, 123, 124, 125, 126, 127, 128,
1589 130, 131, 132, 133, 134, 135, 136, 137,
1590 138, 139, 141, 142, 143, 144, 145, 146
1593 EXTCONST unsigned char freq[];
1598 EXTCONST char* block_type[] = {
1607 EXTCONST char* block_type[];
1611 /*****************************************************************************/
1612 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1613 /*****************************************************************************/
1614 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1627 EXT U32 lex_state; /* next token is determined */
1628 EXT U32 lex_defer; /* state after determined token */
1629 EXT expectation lex_expect; /* expect after determined token */
1630 EXT I32 lex_brackets; /* bracket count */
1631 EXT I32 lex_formbrack; /* bracket count at outer format level */
1632 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1633 EXT I32 lex_casemods; /* casemod count */
1634 EXT I32 lex_dojoin; /* doing an array interpolation */
1635 EXT I32 lex_starts; /* how many interps done on level */
1636 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1637 EXT SV * lex_repl; /* runtime replacement from s/// */
1638 EXT OP * lex_op; /* extra info to pass back on op */
1639 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1640 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1641 EXT char * lex_brackstack; /* what kind of brackets to pop */
1642 EXT char * lex_casestack; /* what kind of case mods in effect */
1644 /* What we know when we're in LEX_KNOWNEXT state. */
1645 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1646 EXT I32 nexttype[5]; /* type of next token */
1649 EXT PerlIO * VOL rsfp INIT(Nullfp);
1652 EXT char * oldbufptr;
1653 EXT char * oldoldbufptr;
1655 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1656 EXT AV * rsfp_filters;
1658 EXT I32 multi_start; /* 1st line of multi-line string */
1659 EXT I32 multi_end; /* last line of multi-line string */
1660 EXT I32 multi_open; /* delimiter of said string */
1661 EXT I32 multi_close; /* delimiter of said string */
1664 EXT I32 error_count; /* how many errors so far, max 10 */
1665 EXT I32 subline; /* line this subroutine began on */
1666 EXT SV * subname; /* name of current subroutine */
1668 EXT CV * compcv; /* currently compiling subroutine */
1669 EXT AV * comppad; /* storage for lexically scoped temporaries */
1670 EXT AV * comppad_name; /* variable names for "my" variables */
1671 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1672 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1673 EXT I32 min_intro_pending;/* start of vars to introduce */
1674 EXT I32 max_intro_pending;/* end of vars to introduce */
1675 EXT I32 padix; /* max used index in current "register" pad */
1676 EXT I32 padix_floor; /* how low may inner block reset padix */
1677 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1680 EXT I32 thisexpr; /* name id for nothing_in_common() */
1681 EXT char * last_uni; /* position of last named-unary operator */
1682 EXT char * last_lop; /* position of last list operator */
1683 EXT OPCODE last_lop_op; /* last list operator */
1684 EXT bool in_my; /* we're compiling a "my" declaration */
1685 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1687 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1690 EXT U32 hints; /* various compilation flags */
1692 /* Note: the lowest 8 bits are reserved for
1693 stuffing into op->op_private */
1694 #define HINT_INTEGER 0x00000001
1695 #define HINT_STRICT_REFS 0x00000002
1697 #define HINT_BLOCK_SCOPE 0x00000100
1698 #define HINT_STRICT_SUBS 0x00000200
1699 #define HINT_STRICT_VARS 0x00000400
1700 #define HINT_LOCALE 0x00000800
1702 /**************************************************************************/
1703 /* This regexp stuff is global since it always happens within 1 expr eval */
1704 /**************************************************************************/
1706 EXT char * regprecomp; /* uncompiled string. */
1707 EXT char * regparse; /* Input-scan pointer. */
1708 EXT char * regxend; /* End of input for compile */
1709 EXT I32 regnpar; /* () count. */
1710 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1711 EXT I32 regsize; /* Code size. */
1712 EXT I32 regnaughty; /* How bad is this pattern? */
1713 EXT I32 regsawback; /* Did we see \1, ...? */
1715 EXT char * reginput; /* String-input pointer. */
1716 EXT char * regbol; /* Beginning of input, for ^ check. */
1717 EXT char * regeol; /* End of input, for $ check. */
1718 EXT char ** regstartp; /* Pointer to startp array. */
1719 EXT char ** regendp; /* Ditto for endp. */
1720 EXT U32 * reglastparen; /* Similarly for lastparen. */
1721 EXT char * regtill; /* How far we are required to go. */
1722 EXT U16 regflags; /* are we folding, multilining? */
1723 EXT char regprev; /* char before regbol, \n if none */
1725 EXT bool do_undump; /* -u or dump seen? */
1728 /***********************************************/
1729 /* Global only to current interpreter instance */
1730 /***********************************************/
1735 struct interpreter {
1738 #define IINIT(x) INIT(x)
1741 /* pseudo environmental stuff */
1743 IEXT char ** Iorigargv;
1747 IEXT char * Iorigfilename;
1749 IEXT SV * Iwarnhook;
1750 IEXT SV * Iparsehook;
1752 /* Various states of an input record separator SV (rs, nrs) */
1753 #define RsSNARF(sv) (! SvOK(sv))
1754 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1755 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1760 IEXT char Ipatchlevel[10];
1761 IEXT char ** Ilocalpatches;
1763 IEXT char * Isplitstr IINIT(" ");
1764 IEXT bool Ipreprocess;
1770 IEXT bool Idoswitches;
1772 IEXT bool Idoextract;
1773 IEXT bool Isawampersand; /* must save all match strings */
1774 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1777 IEXT char * Iinplace;
1778 IEXT char * Ie_tmpname;
1779 IEXT PerlIO * Ie_fp;
1781 /* This value may be raised by extensions for testing purposes */
1782 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1784 /* magical thingies */
1785 IEXT Time_t Ibasetime; /* $^T */
1786 IEXT SV * Iformfeed; /* $^L */
1787 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1788 IEXT SV * Irs; /* $/ */
1789 IEXT char * Iofs; /* $, */
1790 IEXT STRLEN Iofslen;
1791 IEXT char * Iors; /* $\ */
1792 IEXT STRLEN Iorslen;
1793 IEXT char * Iofmt; /* $# */
1794 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1795 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1796 IEXT I32 Istatusvalue; /* $? */
1798 IEXT U32 Istatusvalue_vms;
1801 IEXT struct stat Istatcache; /* _ */
1803 IEXT SV * Istatname IINIT(Nullsv);
1805 /* shortcuts to various I/O objects */
1807 IEXT GV * Ilast_in_gv;
1810 IEXT GV * Idefoutgv;
1811 IEXT GV * Iargvoutgv;
1813 /* shortcuts to regexp stuff */
1817 IEXT PMOP * Icurpm; /* what to do \ interps from */
1818 IEXT I32 * Iscreamfirst;
1819 IEXT I32 * Iscreamnext;
1820 IEXT I32 Imaxscream IINIT(-1);
1821 IEXT SV * Ilastscream;
1823 /* shortcuts to misc objects */
1826 /* shortcuts to debugging objects */
1830 IEXT SV * IDBsingle;
1832 IEXT SV * IDBsignal;
1833 IEXT AV * Ilineary; /* lines of script for debugger */
1834 IEXT AV * Idbargs; /* args to call listed by caller function */
1837 IEXT HV * Idefstash; /* main symbol table */
1838 IEXT HV * Icurstash; /* symbol table for current package */
1839 IEXT HV * Idebstash; /* symbol table for perldb package */
1840 IEXT SV * Icurstname; /* name of current package */
1841 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1842 IEXT AV * Iendav; /* names of END subroutines */
1843 IEXT AV * Irestartav; /* names of RESTART subroutines */
1844 IEXT HV * Istrtab; /* shared string table */
1846 /* memory management */
1847 IEXT SV ** Itmps_stack;
1848 IEXT I32 Itmps_ix IINIT(-1);
1849 IEXT I32 Itmps_floor IINIT(-1);
1851 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1852 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1853 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1854 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1856 /* funky return mechanisms */
1857 IEXT I32 Ilastspbase;
1859 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1861 /* subprocess state */
1862 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1864 /* internal state */
1865 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1866 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1867 IEXT int Idelaymagic; /* ($<,$>) = ... */
1868 IEXT bool Idirty; /* In the middle of tearing things down? */
1869 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1870 IEXT bool Itainted; /* using variables controlled by $< */
1871 IEXT bool Itainting; /* doing taint checks */
1872 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1876 IEXT I32 Idlmax IINIT(128);
1877 IEXT char * Idebname;
1878 IEXT char * Idebdelim;
1880 /* current interpreter roots */
1882 IEXT OP * Imain_root;
1883 IEXT OP * Imain_start;
1884 IEXT OP * Ieval_root;
1885 IEXT OP * Ieval_start;
1887 /* runtime control stuff */
1888 IEXT COP * VOL Icurcop IINIT(&compiling);
1889 IEXT COP * Icurcopdb IINIT(NULL);
1890 IEXT line_t Icopline IINIT(NOLINE);
1891 IEXT CONTEXT * Icxstack;
1892 IEXT I32 Icxstack_ix IINIT(-1);
1893 IEXT I32 Icxstack_max IINIT(128);
1894 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1895 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1899 IEXT AV * Icurstack; /* THE STACK */
1900 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1901 IEXT SV ** Imystack_base; /* stack->array_ary */
1902 IEXT SV ** Imystack_sp; /* stack pointer now */
1903 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1905 /* format accumulators */
1906 IEXT SV * Iformtarget;
1907 IEXT SV * Ibodytarget;
1908 IEXT SV * Itoptarget;
1910 /* statics moved here for shared library purposes */
1911 IEXT SV Istrchop; /* return value from chop */
1912 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1913 IEXT int Ilastfd; /* what to preserve mode on */
1914 IEXT char * Ioldname; /* what to preserve mode on */
1915 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1916 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1917 IEXT OP * Isortcop; /* user defined sort routine */
1918 IEXT HV * Isortstash; /* which is in some package or other */
1919 IEXT GV * Ifirstgv; /* $a */
1920 IEXT GV * Isecondgv; /* $b */
1921 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1922 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1923 IEXT SV * Imystrk; /* temp key string for do_each() */
1924 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1925 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1926 IEXT I32 Igensym; /* next symbol for getsym() to define */
1927 IEXT bool Ipreambled;
1928 IEXT AV * Ipreambleav;
1929 IEXT int Ilaststatval IINIT(-1);
1930 IEXT I32 Ilaststype IINIT(OP_STAT);
1939 struct interpreter {
1954 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1955 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1957 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1958 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1965 /* The following must follow proto.h */
1969 EXT MGVTBL vtbl_sv = {magic_get,
1973 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1974 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1977 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1978 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1982 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1984 EXT MGVTBL vtbl_packelem = {magic_getpack,
1988 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1990 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1992 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1994 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1997 EXT MGVTBL vtbl_glob = {magic_getglob,
2000 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2002 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2004 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2006 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2008 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2010 EXT MGVTBL vtbl_pos = {magic_getpos,
2013 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2015 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2017 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2021 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2022 #endif /* USE_THREADS */
2023 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2024 0, 0, magic_freedefelem};
2026 #ifdef USE_LOCALE_COLLATE
2027 EXT MGVTBL vtbl_collxfrm = {0,
2033 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2034 0, 0, magic_setamagic};
2035 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2036 0, 0, magic_setamagic};
2037 #endif /* OVERLOAD */
2042 EXT MGVTBL vtbl_env;
2043 EXT MGVTBL vtbl_envelem;
2044 EXT MGVTBL vtbl_sig;
2045 EXT MGVTBL vtbl_sigelem;
2046 EXT MGVTBL vtbl_pack;
2047 EXT MGVTBL vtbl_packelem;
2048 EXT MGVTBL vtbl_dbline;
2049 EXT MGVTBL vtbl_isa;
2050 EXT MGVTBL vtbl_isaelem;
2051 EXT MGVTBL vtbl_arylen;
2052 EXT MGVTBL vtbl_glob;
2053 EXT MGVTBL vtbl_mglob;
2054 EXT MGVTBL vtbl_nkeys;
2055 EXT MGVTBL vtbl_taint;
2056 EXT MGVTBL vtbl_substr;
2057 EXT MGVTBL vtbl_vec;
2058 EXT MGVTBL vtbl_pos;
2061 EXT MGVTBL vtbl_uvar;
2064 EXT MGVTBL vtbl_mutex;
2065 #endif /* USE_THREADS */
2067 EXT MGVTBL vtbl_defelem;
2069 #ifdef USE_LOCALE_COLLATE
2070 EXT MGVTBL vtbl_collxfrm;
2074 EXT MGVTBL vtbl_amagic;
2075 EXT MGVTBL vtbl_amagicelem;
2076 #endif /* OVERLOAD */
2078 #endif /* !DOINIT */
2082 EXT long amagic_generation;
2084 #define NofAMmeth 58
2086 EXTCONST char * AMG_names[NofAMmeth] = {
2087 "fallback", "abs", /* "fallback" should be the first. */
2118 EXTCONST char * AMG_names[NofAMmeth];
2119 #endif /* def INITAMAGIC */
2125 CV* table[NofAMmeth];
2128 struct am_table_short {
2133 typedef struct am_table AMT;
2134 typedef struct am_table_short AMTS;
2136 #define AMGfallNEVER 1
2138 #define AMGfallYES 3
2140 #define AMTf_AMAGIC 1
2141 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2142 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2143 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2146 fallback_amg, abs_amg,
2147 bool__amg, nomethod_amg,
2148 string_amg, numer_amg,
2149 add_amg, add_ass_amg,
2150 subtr_amg, subtr_ass_amg,
2151 mult_amg, mult_ass_amg,
2152 div_amg, div_ass_amg,
2153 mod_amg, mod_ass_amg,
2154 pow_amg, pow_ass_amg,
2155 lshift_amg, lshift_ass_amg,
2156 rshift_amg, rshift_ass_amg,
2157 band_amg, band_ass_amg,
2158 bor_amg, bor_ass_amg,
2159 bxor_amg, bxor_ass_amg,
2172 repeat_amg, repeat_ass_amg,
2173 concat_amg, concat_ass_amg,
2178 * some compilers like to redefine cos et alia as faster
2179 * (and less accurate?) versions called F_cos et cetera (Quidquid
2180 * latine dictum sit, altum viditur.) This trick collides with
2181 * the Perl overloading (amg). The following #defines fool both.
2186 # define F_atan2_amg atan2_amg
2189 # define F_cos_amg cos_amg
2192 # define F_exp_amg exp_amg
2195 # define F_log_amg log_amg
2198 # define F_pow_amg pow_amg
2201 # define F_sin_amg sin_amg
2204 # define F_sqrt_amg sqrt_amg
2206 #endif /* _FASTMATH */
2208 #endif /* OVERLOAD */
2210 #ifdef USE_LOCALE_COLLATE
2211 EXT U32 collation_ix; /* Collation generation index */
2212 EXT char * collation_name; /* Name of current collation */
2213 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2214 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2215 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2216 #endif /* USE_LOCALE_COLLATE */
2218 #ifdef USE_LOCALE_NUMERIC
2220 EXT char * numeric_name; /* Name of current numeric locale */
2221 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2222 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2224 #define SET_NUMERIC_STANDARD() \
2226 if (! numeric_standard) \
2227 perl_set_numeric_standard(); \
2230 #define SET_NUMERIC_LOCAL() \
2232 if (! numeric_local) \
2233 perl_set_numeric_local(); \
2236 #else /* !USE_LOCALE_NUMERIC */
2238 #define SET_NUMERIC_STANDARD() /**/
2239 #define SET_NUMERIC_LOCAL() /**/
2241 #endif /* !USE_LOCALE_NUMERIC */
2243 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2245 * Now we have __attribute__ out of the way
2248 #define printf PerlIO_stdoutf
2251 #endif /* Include guard */