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)
65 #define WITH_THR(s) do { dTHR; s; } while (0)
72 # include "win32/win32thread.h"
75 typedef pthread_mutex_t perl_mutex;
76 typedef pthread_cond_t perl_cond;
77 typedef pthread_key_t perl_key;
79 # endif /* FAKE_THREADS */
80 #endif /* USE_THREADS */
83 * SOFT_CAST can be used for args to prototyped functions to retain some
84 * type checking; it only casts if the compiler does not know prototypes.
86 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
87 #define SOFT_CAST(type)
89 #define SOFT_CAST(type) (type)
93 # define BYTEORDER 0x1234
96 /* Overall memory policy? */
102 * The following contortions are brought to you on behalf of all the
103 * standards, semi-standards, de facto standards, not-so-de-facto standards
104 * of the world, as well as all the other botches anyone ever thought of.
105 * The basic theory is that if we work hard enough here, the rest of the
106 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
109 /* define this once if either system, instead of cluttering up the src */
110 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
114 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
115 # define STANDARD_C 1
118 #if defined(__cplusplus) || defined(WIN32)
119 # define DONT_DECLARE_STD 1
122 #if defined(HASVOLATILE) || defined(STANDARD_C)
124 # define VOL // to temporarily suppress warnings
126 # define VOL volatile
132 #define TAINT (tainted = TRUE)
133 #define TAINT_NOT (tainted = FALSE)
134 #define TAINT_IF(c) if (c) { tainted = TRUE; }
135 #define TAINT_ENV() if (tainting) { taint_env(); }
136 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
138 /* XXX All process group stuff is handled in pp_sys.c. Should these
139 defines move there? If so, I could simplify this a lot. --AD 9/96.
141 /* Process group stuff changed from traditional BSD to POSIX.
142 perlfunc.pod documents the traditional BSD-style syntax, so we'll
143 try to preserve that, if possible.
146 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
148 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
149 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
151 # ifdef HAS_SETPGRP2 /* DG/UX */
152 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
156 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
157 # define HAS_SETPGRP /* Well, effectively it does . . . */
160 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
161 our life easier :-) so we'll try it.
164 # define BSD_GETPGRP(pid) getpgid((pid))
166 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
167 # define BSD_GETPGRP(pid) getpgrp((pid))
169 # ifdef HAS_GETPGRP2 /* DG/UX */
170 # define BSD_GETPGRP(pid) getpgrp2((pid))
174 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
175 # define HAS_GETPGRP /* Well, effectively it does . . . */
178 /* These are not exact synonyms, since setpgrp() and getpgrp() may
179 have different behaviors, but perl.h used to define USE_BSDPGRP
180 (prior to 5.003_05) so some extension might depend on it.
182 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
188 #ifndef _TYPES_ /* If types.h defines this it's easy. */
189 # ifndef major /* Does everyone's types.h define this? */
190 # include <sys/types.h>
204 # include <varargs.h>
210 #ifdef USE_NEXT_CTYPE
212 #if NX_CURRENT_COMPILER_RELEASE >= 400
213 #include <objc/NXCType.h>
214 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
215 #include <appkit/NXCType.h>
216 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
218 #else /* !USE_NEXT_CTYPE */
220 #endif /* USE_NEXT_CTYPE */
222 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
230 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
232 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
233 && defined(HAS_STRXFRM)
234 # define USE_LOCALE_COLLATE
236 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
237 # define USE_LOCALE_CTYPE
239 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
240 # define USE_LOCALE_NUMERIC
242 #endif /* !NO_LOCALE && HAS_SETLOCALE */
247 # ifdef PARAM_NEEDS_TYPES
248 # include <sys/types.h>
250 # include <sys/param.h>
254 /* Use all the "standard" definitions? */
255 #if defined(STANDARD_C) && defined(I_STDLIB)
259 /* This comes after <stdlib.h> so we don't try to change the standard
260 * library prototypes; we'll use our own in proto.h instead. */
265 # define malloc Mymalloc
266 # define calloc Mycalloc
267 # define realloc Myremalloc
270 # ifdef EMBEDMYMALLOC
271 # define malloc Perl_malloc
272 # define calloc Perl_calloc
273 # define realloc Perl_realloc
274 # define free Perl_free
281 # define safemalloc malloc
282 # define safecalloc calloc
283 # define saferealloc realloc
284 # define safefree free
286 #endif /* MYMALLOC */
288 #define MEM_SIZE Size_t
290 #if defined(STANDARD_C) && defined(I_STDDEF)
292 # define STRUCT_OFFSET(s,m) offsetof(s,m)
294 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
297 #if defined(I_STRING) || defined(__cplusplus)
300 # include <strings.h>
303 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
305 #define strrchr rindex
313 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
315 extern char * memcpy _((char*, char*, int));
321 # define memcpy(d,s,l) bcopy(s,d,l)
323 # define memcpy(d,s,l) my_bcopy(s,d,l)
326 #endif /* HAS_MEMCPY */
329 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
331 extern char *memset _((char*, int, int));
335 # define memset(d,c,l) my_memset(d,c,l)
336 #endif /* HAS_MEMSET */
338 #if !defined(HAS_MEMMOVE) && !defined(memmove)
339 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
340 # define memmove(d,s,l) bcopy(s,d,l)
342 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
343 # define memmove(d,s,l) memcpy(d,s,l)
345 # define memmove(d,s,l) my_bcopy(s,d,l)
350 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
354 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
355 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
357 extern int memcmp _((char*, char*, int));
361 # pragma function(memcmp)
365 # define memcmp my_memcmp
367 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
371 # define memzero(d,l) memset(d,0,l)
374 # define memzero(d,l) bzero(d,l)
376 # define memzero(d,l) my_bzero(d,l)
383 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
385 #endif /* !HAS_BCMP */
388 # include <netinet/in.h>
391 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
392 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
393 * (the neo-BSD seem to do this). */
398 # include <sys/stat.h>
401 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
402 like UTekV) are broken, sometimes giving false positives. Undefine
403 them here and let the code below set them to proper values.
405 The ghs macro stands for GreenHills Software C-1.8.5 which
406 is the C compiler for sysV88 and the various derivatives.
407 This header file bug is corrected in gcc-2.5.8 and later versions.
408 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
410 #if defined(uts) || (defined(m88k) && defined(ghs))
424 # ifdef I_SYS_TIME_KERNEL
427 # include <sys/time.h>
428 # ifdef I_SYS_TIME_KERNEL
433 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
434 # include <sys/times.h>
437 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
443 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
445 #endif /* !HAS_MKFIFO */
450 # include <net/errno.h>
455 # define SETERRNO(errcode,vmserrcode) \
457 set_errno(errcode); \
458 set_vaxc_errno(vmserrcode); \
461 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
465 # define ERRSV (thr->errsv)
466 # define ERRHV (thr->errhv)
468 # define ERRSV GvSV(errgv)
469 # define ERRHV GvHV(errgv)
470 #endif /* USE_THREADS */
473 extern int errno; /* ANSI allows errno to be an lvalue expr */
478 char *strerror _((int,...));
480 #ifndef DONT_DECLARE_STD
481 char *strerror _((int));
485 # define Strerror strerror
488 # ifdef HAS_SYS_ERRLIST
490 extern char *sys_errlist[];
492 # define Strerror(e) \
493 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
500 # include <sys/ioctl.h>
504 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
505 # ifdef HAS_SOCKETPAIR
506 # undef HAS_SOCKETPAIR
521 /* Configure already sets Direntry_t */
522 #if defined(I_DIRENT)
524 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
525 # include <sys/dir.h>
529 # include <sys/ndir.h>
533 # include <ndir.h> /* may be wrong in the future */
535 # include <sys/dir.h>
542 /* work around botch in SunOS 4.0.1 and 4.0.2 */
544 # define fputs(sv,fp) fprintf(fp,"%s",sv)
549 * The following gobbledygook brought to you on behalf of __STDC__.
550 * (I could just use #ifndef __STDC__, but this is more bulletproof
551 * in the face of half-implementations.)
556 # define S_IFMT _S_IFMT
558 # define S_IFMT 0170000
563 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
567 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
572 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
574 # define S_ISBLK(m) (0)
579 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
584 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
586 # define S_ISFIFO(m) (0)
592 # define S_ISLNK(m) _S_ISLNK(m)
595 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
598 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
600 # define S_ISLNK(m) (0)
608 # define S_ISSOCK(m) _S_ISSOCK(m)
611 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
614 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
616 # define S_ISSOCK(m) (0)
624 # define S_IRUSR S_IREAD
625 # define S_IWUSR S_IWRITE
626 # define S_IXUSR S_IEXEC
628 # define S_IRUSR 0400
629 # define S_IWUSR 0200
630 # define S_IXUSR 0100
632 # define S_IRGRP (S_IRUSR>>3)
633 # define S_IWGRP (S_IWUSR>>3)
634 # define S_IXGRP (S_IXUSR>>3)
635 # define S_IROTH (S_IRUSR>>6)
636 # define S_IWOTH (S_IWUSR>>6)
637 # define S_IXOTH (S_IXUSR>>6)
641 # define S_ISUID 04000
645 # define S_ISGID 02000
652 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
653 # define SLOPPYDIVIDE
660 /* XXX QUAD stuff is not currently supported on most systems.
661 Specifically, perl internals don't support long long. Among
662 the many problems is that some compilers support long long,
663 but the underlying library functions (such as sprintf) don't.
664 Some things do work (such as quad pack/unpack on convex);
665 also some systems use long long for the fpos_t typedef. That
668 The IV type is supposed to be long enough to hold any integral
670 --Andy Dougherty August 1996
677 # define Quad_t long long
679 # if BYTEORDER > 0xFFFF
688 typedef unsigned Quad_t UV;
689 # define IV_MAX PERL_QUAD_MAX
690 # define IV_MIN PERL_QUAD_MIN
691 # define UV_MAX PERL_UQUAD_MAX
692 # define UV_MIN PERL_UQUAD_MIN
695 typedef unsigned long UV;
696 # define IV_MAX PERL_LONG_MAX
697 # define IV_MIN PERL_LONG_MIN
698 # define UV_MAX PERL_ULONG_MAX
699 # define UV_MIN PERL_ULONG_MIN
702 /* Previously these definitions used hardcoded figures.
703 * It is hoped these formula are more portable, although
704 * no data one way or another is presently known to me.
705 * The "PERL_" names are used because these calculated constants
706 * do not meet the ANSI requirements for LONG_MAX, etc., which
707 * need to be constants acceptable to #if - kja
708 * define PERL_LONG_MAX 2147483647L
709 * define PERL_LONG_MIN (-LONG_MAX - 1)
710 * define PERL ULONG_MAX 4294967295L
713 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
722 * Try to figure out max and min values for the integral types. THE CORRECT
723 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
724 * following hacks are used if neither limits.h or values.h provide them:
725 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
726 * for types < int: (unsigned TYPE)~(unsigned)0
727 * The argument to ~ must be unsigned so that later signed->unsigned
728 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
729 * and it must not be smaller than int because ~ does integral promotion.
730 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
731 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
732 * The latter is a hack which happens to work on some machines but
733 * does *not* catch any random system, or things like integer types
734 * with NaN if that is possible.
736 * All of the types are explicitly cast to prevent accidental loss of
737 * numeric range, and in the hope that they will be less likely to confuse
738 * over-eager optimizers.
742 #define PERL_UCHAR_MIN ((unsigned char)0)
745 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
748 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
750 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
755 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
756 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
757 * depending on local options. Until Configure detects this (or at least
758 * detects whether the "signed" keyword is available) the CHAR ranges
759 * will not be included. UCHAR functions normally.
763 #define PERL_USHORT_MIN ((unsigned short)0)
766 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
769 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
771 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
776 # define PERL_SHORT_MAX ((short)SHORT_MAX)
778 # ifdef MAXSHORT /* Often used in <values.h> */
779 # define PERL_SHORT_MAX ((short)MAXSHORT)
781 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
786 # define PERL_SHORT_MIN ((short)SHORT_MIN)
789 # define PERL_SHORT_MIN ((short)MINSHORT)
791 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
796 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
799 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
801 # define PERL_UINT_MAX (~(unsigned int)0)
805 #define PERL_UINT_MIN ((unsigned int)0)
808 # define PERL_INT_MAX ((int)INT_MAX)
810 # ifdef MAXINT /* Often used in <values.h> */
811 # define PERL_INT_MAX ((int)MAXINT)
813 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
818 # define PERL_INT_MIN ((int)INT_MIN)
821 # define PERL_INT_MIN ((int)MININT)
823 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
828 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
831 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
833 # define PERL_ULONG_MAX (~(unsigned long)0)
837 #define PERL_ULONG_MIN ((unsigned long)0L)
840 # define PERL_LONG_MAX ((long)LONG_MAX)
842 # ifdef MAXLONG /* Often used in <values.h> */
843 # define PERL_LONG_MAX ((long)MAXLONG)
845 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
850 # define PERL_LONG_MIN ((long)LONG_MIN)
853 # define PERL_LONG_MIN ((long)MINLONG)
855 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
862 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
864 # define PERL_UQUAD_MAX (~(UV)0)
867 # define PERL_UQUAD_MIN ((UV)0)
870 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
872 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
876 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
878 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
883 /* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
885 # define CONTEXT PERL_CONTEXT
888 typedef MEM_SIZE STRLEN;
890 typedef struct op OP;
891 typedef struct cop COP;
892 typedef struct unop UNOP;
893 typedef struct binop BINOP;
894 typedef struct listop LISTOP;
895 typedef struct logop LOGOP;
896 typedef struct condop CONDOP;
897 typedef struct pmop PMOP;
898 typedef struct svop SVOP;
899 typedef struct gvop GVOP;
900 typedef struct pvop PVOP;
901 typedef struct loop LOOP;
903 typedef struct Outrec Outrec;
904 typedef struct interpreter PerlInterpreter;
906 typedef struct ff FF; /* XXX not defined anywhere, should go? */
908 typedef struct sv SV;
909 typedef struct av AV;
910 typedef struct hv HV;
911 typedef struct cv CV;
912 typedef struct regexp REGEXP;
913 typedef struct gp GP;
914 typedef struct gv GV;
915 typedef struct io IO;
916 typedef struct context CONTEXT;
917 typedef struct block BLOCK;
919 typedef struct magic MAGIC;
920 typedef struct xrv XRV;
921 typedef struct xpv XPV;
922 typedef struct xpviv XPVIV;
923 typedef struct xpvuv XPVUV;
924 typedef struct xpvnv XPVNV;
925 typedef struct xpvmg XPVMG;
926 typedef struct xpvlv XPVLV;
927 typedef struct xpvav XPVAV;
928 typedef struct xpvhv XPVHV;
929 typedef struct xpvgv XPVGV;
930 typedef struct xpvcv XPVCV;
931 typedef struct xpvbm XPVBM;
932 typedef struct xpvfm XPVFM;
933 typedef struct xpvio XPVIO;
934 typedef struct mgvtbl MGVTBL;
935 typedef union any ANY;
939 typedef I32 (*filter_t) _((int, SV *, int));
940 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
941 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
942 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
955 # include "./plan9/plan9ish.h"
957 # include "unixish.h"
963 # define STATUS_NATIVE statusvalue_vms
964 # define STATUS_NATIVE_EXPORT \
965 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
966 # define STATUS_NATIVE_SET(n) \
968 statusvalue_vms = (n); \
969 if ((I32)statusvalue_vms == -1) \
971 else if (statusvalue_vms & STS$M_SUCCESS) \
973 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
974 statusvalue = 1 << 8; \
976 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
978 # define STATUS_POSIX statusvalue
979 # ifdef VMSISH_STATUS
980 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
982 # define STATUS_CURRENT STATUS_POSIX
984 # define STATUS_POSIX_SET(n) \
987 if (statusvalue != -1) { \
988 statusvalue &= 0xFFFF; \
989 statusvalue_vms = statusvalue ? 44 : 1; \
991 else statusvalue_vms = -1; \
993 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
994 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
996 # define STATUS_NATIVE STATUS_POSIX
997 # define STATUS_NATIVE_EXPORT STATUS_POSIX
998 # define STATUS_NATIVE_SET STATUS_POSIX_SET
999 # define STATUS_POSIX statusvalue
1000 # define STATUS_POSIX_SET(n) \
1002 statusvalue = (n); \
1003 if (statusvalue != -1) \
1004 statusvalue &= 0xFFFF; \
1006 # define STATUS_CURRENT STATUS_POSIX
1007 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1008 # define STATUS_ALL_FAILURE (statusvalue = 1)
1011 /* Some unistd.h's give a prototype for pause() even though
1012 HAS_PAUSE ends up undefined. This causes the #define
1013 below to be rejected by the compmiler. Sigh.
1018 #define Pause() sleep((32767<<16)+32767)
1022 # ifdef IOCPARM_MASK
1023 /* on BSDish systes we're safe */
1024 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1026 /* otherwise guess at what's safe */
1027 # define IOCPARM_LEN(x) 256
1036 void (*any_dptr) _((void*));
1040 #define ARGSproto struct thread *
1042 #define ARGSproto void
1043 #endif /* USE_THREADS */
1045 /* Work around some cygwin32 problems with importing global symbols */
1046 #if defined(CYGWIN32) && defined(DLLIMPORT)
1047 # include "cw32imp.h"
1064 /* work around some libPW problems */
1069 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1073 #if defined(htonl) && !defined(HAS_HTONL)
1076 #if defined(htons) && !defined(HAS_HTONS)
1079 #if defined(ntohl) && !defined(HAS_NTOHL)
1082 #if defined(ntohs) && !defined(HAS_NTOHS)
1086 #if (BYTEORDER & 0xffff) != 0x4321
1092 #define htons my_swap
1093 #define htonl my_htonl
1094 #define ntohs my_swap
1095 #define ntohl my_ntohl
1098 #if (BYTEORDER & 0xffff) == 0x4321
1107 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1110 #if BYTEORDER != 0x1234
1115 # if BYTEORDER == 0x4321
1116 # define vtohl(x) ((((x)&0xFF)<<24) \
1118 +(((x)&0x0000FF00)<<8) \
1119 +(((x)&0x00FF0000)>>8) )
1120 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1121 # define htovl(x) vtohl(x)
1122 # define htovs(x) vtohs(x)
1124 /* otherwise default to functions in util.c */
1128 #define U_S(what) ((U16)(what))
1129 #define U_I(what) ((unsigned int)(what))
1130 #define U_L(what) ((U32)(what))
1135 U32 cast_ulong _((double));
1139 #define U_S(what) ((U16)cast_ulong((double)(what)))
1140 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1141 #define U_L(what) (cast_ulong((double)(what)))
1145 #define I_32(what) ((I32)(what))
1146 #define I_V(what) ((IV)(what))
1147 #define U_V(what) ((UV)(what))
1152 I32 cast_i32 _((double));
1153 IV cast_iv _((double));
1154 UV cast_uv _((double));
1158 #define I_32(what) (cast_i32((double)(what)))
1159 #define I_V(what) (cast_iv((double)(what)))
1160 #define U_V(what) (cast_uv((double)(what)))
1174 # define TMPPATH "/tmp/perl-eXXXXXX"
1178 Uid_t getuid _((void));
1179 Uid_t geteuid _((void));
1180 Gid_t getgid _((void));
1181 Gid_t getegid _((void));
1185 #ifndef Perl_debug_log
1186 #define Perl_debug_log PerlIO_stderr()
1190 #define DEBUG(a) if (debug) a
1191 #define DEBUG_p(a) if (debug & 1) a
1192 #define DEBUG_s(a) if (debug & 2) a
1193 #define DEBUG_l(a) if (debug & 4) a
1194 #define DEBUG_t(a) if (debug & 8) a
1195 #define DEBUG_o(a) if (debug & 16) a
1196 #define DEBUG_c(a) if (debug & 32) a
1197 #define DEBUG_P(a) if (debug & 64) a
1198 #define DEBUG_m(a) if (curinterp && debug & 128) a
1199 #define DEBUG_f(a) if (debug & 256) a
1200 #define DEBUG_r(a) if (debug & 512) a
1201 #define DEBUG_x(a) if (debug & 1024) a
1202 #define DEBUG_u(a) if (debug & 2048) a
1203 #define DEBUG_L(a) if (debug & 4096) a
1204 #define DEBUG_H(a) if (debug & 8192) a
1205 #define DEBUG_X(a) if (debug & 16384) a
1206 #define DEBUG_D(a) if (debug & 32768) a
1227 #define YYMAXDEPTH 300
1229 #ifndef assert /* <assert.h> might have been included somehow */
1230 #define assert(what) DEB( { \
1232 croak("Assertion failed: file \"%s\", line %d", \
1233 __FILE__, __LINE__); \
1239 I32 (*uf_val)_((IV, SV*));
1240 I32 (*uf_set)_((IV, SV*));
1244 /* Fix these up for __STDC__ */
1245 #ifndef DONT_DECLARE_STD
1246 char *mktemp _((char*));
1247 double atof _((const char*));
1251 /* All of these are in stdlib.h or time.h for ANSI C */
1253 struct tm *gmtime(), *localtime();
1254 char *strchr(), *strrchr();
1255 char *strcpy(), *strcat();
1256 #endif /* ! STANDARD_C */
1265 double exp _((double));
1266 double log _((double));
1267 double log10 _((double));
1268 double sqrt _((double));
1269 double frexp _((double,int*));
1270 double ldexp _((double,int));
1271 double modf _((double,double*));
1272 double sin _((double));
1273 double cos _((double));
1274 double atan2 _((double,double));
1275 double pow _((double,double));
1282 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1283 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1285 char *crypt _((const char*, const char*));
1287 #ifndef DONT_DECLARE_STD
1289 char *getenv _((const char*));
1291 Off_t lseek _((int,Off_t,int));
1293 char *getlogin _((void));
1296 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1297 #define UNLINK unlnk
1298 I32 unlnk _((char*));
1300 #define UNLINK unlink
1303 #ifndef HAS_SETREUID
1304 # ifdef HAS_SETRESUID
1305 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1306 # define HAS_SETREUID
1309 #ifndef HAS_SETREGID
1310 # ifdef HAS_SETRESGID
1311 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1312 # define HAS_SETREGID
1316 typedef Signal_t (*Sighandler_t) _((int));
1318 #ifdef HAS_SIGACTION
1319 typedef struct sigaction Sigsave_t;
1321 typedef Sighandler_t Sigsave_t;
1332 # define PAD_SV(po) pad_sv(po)
1333 # define RUNOPS_DEFAULT runops_debug
1335 # define PAD_SV(po) curpad[po]
1336 # define RUNOPS_DEFAULT runops_standard
1340 * These need prototyping here because <proto.h> isn't
1341 * included until after runops is initialised.
1344 int runops_standard _((void));
1346 int runops_debug _((void));
1349 #define PER_THREAD_MAGICALS "123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1356 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1358 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1359 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1360 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1361 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1362 EXT perl_cond eval_cond; /* Condition variable for doeval */
1363 EXT struct thread * eval_owner; /* Owner thread for doeval */
1364 EXT int nthreads; /* Number of threads currently */
1365 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1366 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1367 EXT char * per_thread_magicals INIT(PER_THREAD_MAGICALS);
1369 EXT struct thread * thr; /* Currently executing (fake) thread */
1371 #endif /* USE_THREADS */
1373 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1374 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1375 #ifndef DONT_DECLARE_STD
1376 extern char ** environ; /* environment variables supplied via exec */
1379 # if defined(NeXT) && defined(__DYNAMIC__)
1381 # include <mach-o/dyld.h>
1382 EXT char *** environ_pointer;
1383 # define environ (*environ_pointer)
1385 #endif /* environ processing */
1387 EXT int uid; /* current real user id */
1388 EXT int euid; /* current effective user id */
1389 EXT int gid; /* current real group id */
1390 EXT int egid; /* current effective group id */
1391 EXT bool nomemok; /* let malloc context handle nomem */
1392 EXT U32 an; /* malloc sequence number */
1393 EXT U32 cop_seqmax; /* statement sequence number */
1394 EXT U16 op_seqmax; /* op sequence number */
1395 EXT U32 evalseq; /* eval sequence number */
1396 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1397 EXT char ** origenviron;
1399 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1400 EXT U32 * profiledata;
1401 EXT int maxo INIT(MAXO);/* Number of ops */
1402 EXT char * osname; /* operating system */
1403 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1404 EXT Sighandler_t sighandlerp;
1406 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1407 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1408 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1409 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1410 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1411 EXT HE * he_root; /* free he list--shared by interpreters */
1412 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1413 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1415 /* Stack for currently executing thread--context switch must handle this. */
1416 EXT SV ** stack_base; /* stack->array_ary */
1417 EXT SV ** stack_sp; /* stack pointer now */
1418 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1420 /* likewise for these */
1422 #ifdef OP_IN_REGISTER
1423 EXT OP * opsave; /* save current op register across longjmps */
1425 EXT OP * op; /* current op--when not in a global register */
1427 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1428 EXT I32 * scopestack; /* blocks we've entered */
1429 EXT I32 scopestack_ix;
1430 EXT I32 scopestack_max;
1432 EXT ANY* savestack; /* to save non-local values on */
1433 EXT I32 savestack_ix;
1434 EXT I32 savestack_max;
1436 EXT OP ** retstack; /* returns we've pushed */
1437 EXT I32 retstack_ix;
1438 EXT I32 retstack_max;
1440 EXT I32 * markstack; /* stackmarks we're remembering */
1441 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1442 EXT I32 * markstack_max; /* stackmarks we're remembering */
1449 EXT char tokenbuf[256];
1450 EXT struct stat statbuf;
1452 EXT struct tms timesbuf;
1454 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1456 /* for tmp use in stupid debuggers */
1461 /* handy constants */
1462 EXTCONST char * Yes INIT("1");
1463 EXTCONST char * No INIT("");
1464 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1465 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1466 EXTCONST char * vert INIT("|");
1468 EXTCONST char warn_uninit[]
1469 INIT("Use of uninitialized value");
1470 EXTCONST char warn_nosemi[]
1471 INIT("Semicolon seems to be missing");
1472 EXTCONST char warn_reserved[]
1473 INIT("Unquoted string \"%s\" may clash with future reserved word");
1474 EXTCONST char warn_nl[]
1475 INIT("Unsuccessful %s on filename containing newline");
1476 EXTCONST char no_wrongref[]
1477 INIT("Can't use %s ref as %s ref");
1478 EXTCONST char no_symref[]
1479 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1480 EXTCONST char no_usym[]
1481 INIT("Can't use an undefined value as %s reference");
1482 EXTCONST char no_aelem[]
1483 INIT("Modification of non-creatable array value attempted, subscript %d");
1484 EXTCONST char no_helem[]
1485 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1486 EXTCONST char no_modify[]
1487 INIT("Modification of a read-only value attempted");
1488 EXTCONST char no_mem[]
1489 INIT("Out of memory!\n");
1490 EXTCONST char no_security[]
1491 INIT("Insecure dependency in %s%s");
1492 EXTCONST char no_sock_func[]
1493 INIT("Unsupported socket function \"%s\" called");
1494 EXTCONST char no_dir_func[]
1495 INIT("Unsupported directory function \"%s\" called");
1496 EXTCONST char no_func[]
1497 INIT("The %s function is unimplemented");
1498 EXTCONST char no_myglob[]
1499 INIT("\"my\" variable %s can't be in a package");
1505 EXT char * cshname INIT(CSH);
1510 EXT char *sig_name[] = { SIG_NAME };
1511 EXT int sig_num[] = { SIG_NUM };
1512 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1513 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1515 EXT char *sig_name[];
1517 EXT SV * psig_ptr[];
1518 EXT SV * psig_name[];
1521 /* fast case folding tables */
1524 EXTCONST unsigned char fold[] = {
1525 0, 1, 2, 3, 4, 5, 6, 7,
1526 8, 9, 10, 11, 12, 13, 14, 15,
1527 16, 17, 18, 19, 20, 21, 22, 23,
1528 24, 25, 26, 27, 28, 29, 30, 31,
1529 32, 33, 34, 35, 36, 37, 38, 39,
1530 40, 41, 42, 43, 44, 45, 46, 47,
1531 48, 49, 50, 51, 52, 53, 54, 55,
1532 56, 57, 58, 59, 60, 61, 62, 63,
1533 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1534 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1535 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1536 'x', 'y', 'z', 91, 92, 93, 94, 95,
1537 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1538 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1539 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1540 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1541 128, 129, 130, 131, 132, 133, 134, 135,
1542 136, 137, 138, 139, 140, 141, 142, 143,
1543 144, 145, 146, 147, 148, 149, 150, 151,
1544 152, 153, 154, 155, 156, 157, 158, 159,
1545 160, 161, 162, 163, 164, 165, 166, 167,
1546 168, 169, 170, 171, 172, 173, 174, 175,
1547 176, 177, 178, 179, 180, 181, 182, 183,
1548 184, 185, 186, 187, 188, 189, 190, 191,
1549 192, 193, 194, 195, 196, 197, 198, 199,
1550 200, 201, 202, 203, 204, 205, 206, 207,
1551 208, 209, 210, 211, 212, 213, 214, 215,
1552 216, 217, 218, 219, 220, 221, 222, 223,
1553 224, 225, 226, 227, 228, 229, 230, 231,
1554 232, 233, 234, 235, 236, 237, 238, 239,
1555 240, 241, 242, 243, 244, 245, 246, 247,
1556 248, 249, 250, 251, 252, 253, 254, 255
1559 EXTCONST unsigned char fold[];
1563 EXT unsigned char fold_locale[] = {
1564 0, 1, 2, 3, 4, 5, 6, 7,
1565 8, 9, 10, 11, 12, 13, 14, 15,
1566 16, 17, 18, 19, 20, 21, 22, 23,
1567 24, 25, 26, 27, 28, 29, 30, 31,
1568 32, 33, 34, 35, 36, 37, 38, 39,
1569 40, 41, 42, 43, 44, 45, 46, 47,
1570 48, 49, 50, 51, 52, 53, 54, 55,
1571 56, 57, 58, 59, 60, 61, 62, 63,
1572 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1573 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1574 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1575 'x', 'y', 'z', 91, 92, 93, 94, 95,
1576 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1577 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1578 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1579 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1580 128, 129, 130, 131, 132, 133, 134, 135,
1581 136, 137, 138, 139, 140, 141, 142, 143,
1582 144, 145, 146, 147, 148, 149, 150, 151,
1583 152, 153, 154, 155, 156, 157, 158, 159,
1584 160, 161, 162, 163, 164, 165, 166, 167,
1585 168, 169, 170, 171, 172, 173, 174, 175,
1586 176, 177, 178, 179, 180, 181, 182, 183,
1587 184, 185, 186, 187, 188, 189, 190, 191,
1588 192, 193, 194, 195, 196, 197, 198, 199,
1589 200, 201, 202, 203, 204, 205, 206, 207,
1590 208, 209, 210, 211, 212, 213, 214, 215,
1591 216, 217, 218, 219, 220, 221, 222, 223,
1592 224, 225, 226, 227, 228, 229, 230, 231,
1593 232, 233, 234, 235, 236, 237, 238, 239,
1594 240, 241, 242, 243, 244, 245, 246, 247,
1595 248, 249, 250, 251, 252, 253, 254, 255
1598 EXT unsigned char fold_locale[];
1602 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1603 1, 2, 84, 151, 154, 155, 156, 157,
1604 165, 246, 250, 3, 158, 7, 18, 29,
1605 40, 51, 62, 73, 85, 96, 107, 118,
1606 129, 140, 147, 148, 149, 150, 152, 153,
1607 255, 182, 224, 205, 174, 176, 180, 217,
1608 233, 232, 236, 187, 235, 228, 234, 226,
1609 222, 219, 211, 195, 188, 193, 185, 184,
1610 191, 183, 201, 229, 181, 220, 194, 162,
1611 163, 208, 186, 202, 200, 218, 198, 179,
1612 178, 214, 166, 170, 207, 199, 209, 206,
1613 204, 160, 212, 216, 215, 192, 175, 173,
1614 243, 172, 161, 190, 203, 189, 164, 230,
1615 167, 248, 227, 244, 242, 255, 241, 231,
1616 240, 253, 169, 210, 245, 237, 249, 247,
1617 239, 168, 252, 251, 254, 238, 223, 221,
1618 213, 225, 177, 197, 171, 196, 159, 4,
1619 5, 6, 8, 9, 10, 11, 12, 13,
1620 14, 15, 16, 17, 19, 20, 21, 22,
1621 23, 24, 25, 26, 27, 28, 30, 31,
1622 32, 33, 34, 35, 36, 37, 38, 39,
1623 41, 42, 43, 44, 45, 46, 47, 48,
1624 49, 50, 52, 53, 54, 55, 56, 57,
1625 58, 59, 60, 61, 63, 64, 65, 66,
1626 67, 68, 69, 70, 71, 72, 74, 75,
1627 76, 77, 78, 79, 80, 81, 82, 83,
1628 86, 87, 88, 89, 90, 91, 92, 93,
1629 94, 95, 97, 98, 99, 100, 101, 102,
1630 103, 104, 105, 106, 108, 109, 110, 111,
1631 112, 113, 114, 115, 116, 117, 119, 120,
1632 121, 122, 123, 124, 125, 126, 127, 128,
1633 130, 131, 132, 133, 134, 135, 136, 137,
1634 138, 139, 141, 142, 143, 144, 145, 146
1637 EXTCONST unsigned char freq[];
1642 EXTCONST char* block_type[] = {
1651 EXTCONST char* block_type[];
1655 /*****************************************************************************/
1656 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1657 /*****************************************************************************/
1658 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1662 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1673 EXT U32 lex_state; /* next token is determined */
1674 EXT U32 lex_defer; /* state after determined token */
1675 EXT expectation lex_expect; /* expect after determined token */
1676 EXT I32 lex_brackets; /* bracket count */
1677 EXT I32 lex_formbrack; /* bracket count at outer format level */
1678 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1679 EXT I32 lex_casemods; /* casemod count */
1680 EXT I32 lex_dojoin; /* doing an array interpolation */
1681 EXT I32 lex_starts; /* how many interps done on level */
1682 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1683 EXT SV * lex_repl; /* runtime replacement from s/// */
1684 EXT OP * lex_op; /* extra info to pass back on op */
1685 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1686 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1687 EXT char * lex_brackstack; /* what kind of brackets to pop */
1688 EXT char * lex_casestack; /* what kind of case mods in effect */
1690 /* What we know when we're in LEX_KNOWNEXT state. */
1691 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1692 EXT I32 nexttype[5]; /* type of next token */
1695 EXT PerlIO * VOL rsfp INIT(Nullfp);
1698 EXT char * oldbufptr;
1699 EXT char * oldoldbufptr;
1701 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1702 EXT AV * rsfp_filters;
1704 EXT I32 multi_start; /* 1st line of multi-line string */
1705 EXT I32 multi_end; /* last line of multi-line string */
1706 EXT I32 multi_open; /* delimiter of said string */
1707 EXT I32 multi_close; /* delimiter of said string */
1710 EXT I32 error_count; /* how many errors so far, max 10 */
1711 EXT I32 subline; /* line this subroutine began on */
1712 EXT SV * subname; /* name of current subroutine */
1714 EXT CV * compcv; /* currently compiling subroutine */
1715 EXT AV * comppad; /* storage for lexically scoped temporaries */
1716 EXT AV * comppad_name; /* variable names for "my" variables */
1717 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1718 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1719 EXT I32 min_intro_pending;/* start of vars to introduce */
1720 EXT I32 max_intro_pending;/* end of vars to introduce */
1721 EXT I32 padix; /* max used index in current "register" pad */
1722 EXT I32 padix_floor; /* how low may inner block reset padix */
1723 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1726 EXT I32 thisexpr; /* name id for nothing_in_common() */
1727 EXT char * last_uni; /* position of last named-unary operator */
1728 EXT char * last_lop; /* position of last list operator */
1729 EXT OPCODE last_lop_op; /* last list operator */
1730 EXT bool in_my; /* we're compiling a "my" declaration */
1731 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1733 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1736 EXT U32 hints; /* various compilation flags */
1738 /* Note: the lowest 8 bits are reserved for
1739 stuffing into op->op_private */
1740 #define HINT_INTEGER 0x00000001
1741 #define HINT_STRICT_REFS 0x00000002
1743 #define HINT_BLOCK_SCOPE 0x00000100
1744 #define HINT_STRICT_SUBS 0x00000200
1745 #define HINT_STRICT_VARS 0x00000400
1746 #define HINT_LOCALE 0x00000800
1748 /**************************************************************************/
1749 /* This regexp stuff is global since it always happens within 1 expr eval */
1750 /**************************************************************************/
1752 EXT char * regprecomp; /* uncompiled string. */
1753 EXT char * regparse; /* Input-scan pointer. */
1754 EXT char * regxend; /* End of input for compile */
1755 EXT I32 regnpar; /* () count. */
1756 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1757 EXT I32 regsize; /* Code size. */
1758 EXT I32 regnaughty; /* How bad is this pattern? */
1759 EXT I32 regsawback; /* Did we see \1, ...? */
1761 EXT char * reginput; /* String-input pointer. */
1762 EXT char * regbol; /* Beginning of input, for ^ check. */
1763 EXT char * regeol; /* End of input, for $ check. */
1764 EXT char ** regstartp; /* Pointer to startp array. */
1765 EXT char ** regendp; /* Ditto for endp. */
1766 EXT U32 * reglastparen; /* Similarly for lastparen. */
1767 EXT char * regtill; /* How far we are required to go. */
1768 EXT U16 regflags; /* are we folding, multilining? */
1769 EXT char regprev; /* char before regbol, \n if none */
1771 EXT bool do_undump; /* -u or dump seen? */
1774 /***********************************************/
1775 /* Global only to current interpreter instance */
1776 /***********************************************/
1781 struct interpreter {
1784 #define IINIT(x) INIT(x)
1787 /* pseudo environmental stuff */
1789 IEXT char ** Iorigargv;
1793 IEXT char * Iorigfilename;
1795 IEXT SV * Iwarnhook;
1796 IEXT SV * Iparsehook;
1798 /* Various states of an input record separator SV (rs, nrs) */
1799 #define RsSNARF(sv) (! SvOK(sv))
1800 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1801 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1806 IEXT char Ipatchlevel[10];
1807 IEXT char ** Ilocalpatches;
1809 IEXT char * Isplitstr IINIT(" ");
1810 IEXT bool Ipreprocess;
1816 IEXT bool Idoswitches;
1818 IEXT bool Idoextract;
1819 IEXT bool Isawampersand; /* must save all match strings */
1820 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1823 IEXT char * Iinplace;
1824 IEXT char * Ie_tmpname;
1825 IEXT PerlIO * Ie_fp;
1827 /* This value may be raised by extensions for testing purposes */
1828 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1830 /* magical thingies */
1831 IEXT Time_t Ibasetime; /* $^T */
1832 IEXT SV * Iformfeed; /* $^L */
1833 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1834 IEXT SV * Irs; /* $/ */
1835 IEXT char * Iofs; /* $, */
1836 IEXT STRLEN Iofslen;
1837 IEXT char * Iors; /* $\ */
1838 IEXT STRLEN Iorslen;
1839 IEXT char * Iofmt; /* $# */
1840 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1841 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1842 IEXT I32 Istatusvalue; /* $? */
1844 IEXT U32 Istatusvalue_vms;
1847 IEXT struct stat Istatcache; /* _ */
1849 IEXT SV * Istatname IINIT(Nullsv);
1851 /* shortcuts to various I/O objects */
1853 IEXT GV * Ilast_in_gv;
1856 IEXT GV * Idefoutgv;
1857 IEXT GV * Iargvoutgv;
1859 /* shortcuts to regexp stuff */
1863 IEXT PMOP * Icurpm; /* what to do \ interps from */
1864 IEXT I32 * Iscreamfirst;
1865 IEXT I32 * Iscreamnext;
1866 IEXT I32 Imaxscream IINIT(-1);
1867 IEXT SV * Ilastscream;
1869 /* shortcuts to misc objects */
1872 /* shortcuts to debugging objects */
1876 IEXT SV * IDBsingle;
1878 IEXT SV * IDBsignal;
1879 IEXT AV * Ilineary; /* lines of script for debugger */
1880 IEXT AV * Idbargs; /* args to call listed by caller function */
1883 IEXT HV * Idefstash; /* main symbol table */
1884 IEXT HV * Icurstash; /* symbol table for current package */
1885 IEXT HV * Idebstash; /* symbol table for perldb package */
1886 IEXT SV * Icurstname; /* name of current package */
1887 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1888 IEXT AV * Iendav; /* names of END subroutines */
1889 IEXT AV * Iinitav; /* names of INIT subroutines */
1890 IEXT HV * Istrtab; /* shared string table */
1892 /* memory management */
1893 IEXT SV ** Itmps_stack;
1894 IEXT I32 Itmps_ix IINIT(-1);
1895 IEXT I32 Itmps_floor IINIT(-1);
1897 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1898 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1899 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1900 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1902 /* funky return mechanisms */
1903 IEXT I32 Ilastspbase;
1905 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1907 /* subprocess state */
1908 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1910 /* internal state */
1911 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1912 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1913 IEXT int Idelaymagic; /* ($<,$>) = ... */
1914 IEXT bool Idirty; /* In the middle of tearing things down? */
1915 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1916 IEXT bool Itainted; /* using variables controlled by $< */
1917 IEXT bool Itainting; /* doing taint checks */
1918 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1922 IEXT I32 Idlmax IINIT(128);
1923 IEXT char * Idebname;
1924 IEXT char * Idebdelim;
1926 /* current interpreter roots */
1928 IEXT OP * Imain_root;
1929 IEXT OP * Imain_start;
1930 IEXT OP * Ieval_root;
1931 IEXT OP * Ieval_start;
1933 /* runtime control stuff */
1934 IEXT COP * VOL Icurcop IINIT(&compiling);
1935 IEXT COP * Icurcopdb IINIT(NULL);
1936 IEXT line_t Icopline IINIT(NOLINE);
1937 IEXT CONTEXT * Icxstack;
1938 IEXT I32 Icxstack_ix IINIT(-1);
1939 IEXT I32 Icxstack_max IINIT(128);
1940 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1941 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1945 IEXT AV * Icurstack; /* THE STACK */
1946 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1948 /* format accumulators */
1949 IEXT SV * Iformtarget;
1950 IEXT SV * Ibodytarget;
1951 IEXT SV * Itoptarget;
1953 /* statics moved here for shared library purposes */
1954 IEXT SV Istrchop; /* return value from chop */
1955 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1956 IEXT int Ilastfd; /* what to preserve mode on */
1957 IEXT char * Ioldname; /* what to preserve mode on */
1958 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1959 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1960 IEXT OP * Isortcop; /* user defined sort routine */
1961 IEXT HV * Isortstash; /* which is in some package or other */
1962 IEXT GV * Ifirstgv; /* $a */
1963 IEXT GV * Isecondgv; /* $b */
1964 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1965 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1966 IEXT SV * Imystrk; /* temp key string for do_each() */
1967 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1968 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1969 IEXT I32 Igensym; /* next symbol for getsym() to define */
1970 IEXT bool Ipreambled;
1971 IEXT AV * Ipreambleav;
1972 IEXT int Ilaststatval IINIT(-1);
1973 IEXT I32 Ilaststype IINIT(OP_STAT);
1978 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1979 #endif /* USE_THREADS */
1987 struct interpreter {
2002 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
2003 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
2005 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
2006 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2013 /* The following must follow proto.h */
2017 EXT MGVTBL vtbl_sv = {magic_get,
2021 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2022 0, magic_clear_all_env,
2024 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2027 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2028 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2032 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2034 EXT MGVTBL vtbl_packelem = {magic_getpack,
2038 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2040 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2043 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2045 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2048 EXT MGVTBL vtbl_glob = {magic_getglob,
2051 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2053 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2055 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2057 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2059 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2061 EXT MGVTBL vtbl_pos = {magic_getpos,
2064 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2066 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2068 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2072 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2073 #endif /* USE_THREADS */
2074 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2075 0, 0, magic_freedefelem};
2077 #ifdef USE_LOCALE_COLLATE
2078 EXT MGVTBL vtbl_collxfrm = {0,
2084 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2085 0, 0, magic_setamagic};
2086 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2087 0, 0, magic_setamagic};
2088 #endif /* OVERLOAD */
2093 EXT MGVTBL vtbl_env;
2094 EXT MGVTBL vtbl_envelem;
2095 EXT MGVTBL vtbl_sig;
2096 EXT MGVTBL vtbl_sigelem;
2097 EXT MGVTBL vtbl_pack;
2098 EXT MGVTBL vtbl_packelem;
2099 EXT MGVTBL vtbl_dbline;
2100 EXT MGVTBL vtbl_isa;
2101 EXT MGVTBL vtbl_isaelem;
2102 EXT MGVTBL vtbl_arylen;
2103 EXT MGVTBL vtbl_glob;
2104 EXT MGVTBL vtbl_mglob;
2105 EXT MGVTBL vtbl_nkeys;
2106 EXT MGVTBL vtbl_taint;
2107 EXT MGVTBL vtbl_substr;
2108 EXT MGVTBL vtbl_vec;
2109 EXT MGVTBL vtbl_pos;
2112 EXT MGVTBL vtbl_uvar;
2115 EXT MGVTBL vtbl_mutex;
2116 #endif /* USE_THREADS */
2118 EXT MGVTBL vtbl_defelem;
2120 #ifdef USE_LOCALE_COLLATE
2121 EXT MGVTBL vtbl_collxfrm;
2125 EXT MGVTBL vtbl_amagic;
2126 EXT MGVTBL vtbl_amagicelem;
2127 #endif /* OVERLOAD */
2129 #endif /* !DOINIT */
2133 EXT long amagic_generation;
2135 #define NofAMmeth 58
2137 EXTCONST char * AMG_names[NofAMmeth] = {
2138 "fallback", "abs", /* "fallback" should be the first. */
2169 EXTCONST char * AMG_names[NofAMmeth];
2170 #endif /* def INITAMAGIC */
2176 CV* table[NofAMmeth];
2179 struct am_table_short {
2184 typedef struct am_table AMT;
2185 typedef struct am_table_short AMTS;
2187 #define AMGfallNEVER 1
2189 #define AMGfallYES 3
2191 #define AMTf_AMAGIC 1
2192 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2193 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2194 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2197 fallback_amg, abs_amg,
2198 bool__amg, nomethod_amg,
2199 string_amg, numer_amg,
2200 add_amg, add_ass_amg,
2201 subtr_amg, subtr_ass_amg,
2202 mult_amg, mult_ass_amg,
2203 div_amg, div_ass_amg,
2204 mod_amg, mod_ass_amg,
2205 pow_amg, pow_ass_amg,
2206 lshift_amg, lshift_ass_amg,
2207 rshift_amg, rshift_ass_amg,
2208 band_amg, band_ass_amg,
2209 bor_amg, bor_ass_amg,
2210 bxor_amg, bxor_ass_amg,
2223 repeat_amg, repeat_ass_amg,
2224 concat_amg, concat_ass_amg,
2229 * some compilers like to redefine cos et alia as faster
2230 * (and less accurate?) versions called F_cos et cetera (Quidquid
2231 * latine dictum sit, altum viditur.) This trick collides with
2232 * the Perl overloading (amg). The following #defines fool both.
2237 # define F_atan2_amg atan2_amg
2240 # define F_cos_amg cos_amg
2243 # define F_exp_amg exp_amg
2246 # define F_log_amg log_amg
2249 # define F_pow_amg pow_amg
2252 # define F_sin_amg sin_amg
2255 # define F_sqrt_amg sqrt_amg
2257 #endif /* _FASTMATH */
2259 #endif /* OVERLOAD */
2261 #define PERLDB_ALL 0xff
2262 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2263 #define PERLDBf_LINE 0x02 /* Keep line #. */
2264 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2265 #define PERLDBf_INTER 0x08 /* Preserve more data for
2266 later inspections. */
2267 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2268 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2270 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2271 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2272 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2273 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2274 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2275 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2277 #ifdef USE_LOCALE_COLLATE
2278 EXT U32 collation_ix; /* Collation generation index */
2279 EXT char * collation_name; /* Name of current collation */
2280 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2281 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2282 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2283 #endif /* USE_LOCALE_COLLATE */
2285 #ifdef USE_LOCALE_NUMERIC
2287 EXT char * numeric_name; /* Name of current numeric locale */
2288 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2289 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2291 #define SET_NUMERIC_STANDARD() \
2293 if (! numeric_standard) \
2294 perl_set_numeric_standard(); \
2297 #define SET_NUMERIC_LOCAL() \
2299 if (! numeric_local) \
2300 perl_set_numeric_local(); \
2303 #else /* !USE_LOCALE_NUMERIC */
2305 #define SET_NUMERIC_STANDARD() /**/
2306 #define SET_NUMERIC_LOCAL() /**/
2308 #endif /* !USE_LOCALE_NUMERIC */
2310 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2312 * Now we have __attribute__ out of the way
2315 #define printf PerlIO_stdoutf
2319 * nice_chunk and nice_chunk size need to be set
2320 * and queried under the protection of sv_mutex
2322 #define offer_nice_chunk(chunk, chunk_size) do { \
2323 MUTEX_LOCK(&sv_mutex); \
2324 if (!nice_chunk) { \
2325 nice_chunk = (char*)(chunk); \
2326 nice_chunk_size = (chunk_size); \
2328 MUTEX_UNLOCK(&sv_mutex); \
2331 #endif /* Include guard */