3 * Copyright (c) 1987-1997, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
15 * This file is being used for x2p stuff.
16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
17 * Decouple x2p stuff from some of perls more extreme eccentricities.
25 #endif /* PERL_FOR_X2P */
33 # define START_EXTERN_C extern "C" {
34 # define END_EXTERN_C }
35 # define EXTERN_C extern "C"
37 # define START_EXTERN_C
42 #if defined(USE_THREADS) /* && !defined(PERL_CORE) && !defined(PERLDLL) */
50 # define stringify_immed(s) #s
51 # define stringify(s) stringify_immed(s)
52 register struct op *op asm(stringify(OP_IN_REGISTER));
57 * STMT_START { statements; } STMT_END;
58 * can be used as a single statement, as in
59 * if (x) STMT_START { ... } STMT_END; else ...
61 * Trying to select a version that gives no warnings...
63 #if !(defined(STMT_START) && defined(STMT_END))
64 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
65 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
68 /* Now which other defined()s do we need here ??? */
69 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
70 # define STMT_START if (1)
71 # define STMT_END else (void)0
73 # define STMT_START do
74 # define STMT_END while (0)
81 #define WITH_THR(s) do { dTHR; s; } while (0)
84 * SOFT_CAST can be used for args to prototyped functions to retain some
85 * type checking; it only casts if the compiler does not know prototypes.
87 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
88 #define SOFT_CAST(type)
90 #define SOFT_CAST(type) (type)
94 # define BYTEORDER 0x1234
97 /* Overall memory policy? */
103 * The following contortions are brought to you on behalf of all the
104 * standards, semi-standards, de facto standards, not-so-de-facto standards
105 * of the world, as well as all the other botches anyone ever thought of.
106 * The basic theory is that if we work hard enough here, the rest of the
107 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
110 /* define this once if either system, instead of cluttering up the src */
111 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
115 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
116 # define STANDARD_C 1
119 #if defined(__cplusplus) || defined(WIN32)
120 # define DONT_DECLARE_STD 1
123 #if defined(HASVOLATILE) || defined(STANDARD_C)
125 # define VOL // to temporarily suppress warnings
127 # define VOL volatile
133 #define TAINT (tainted = TRUE)
134 #define TAINT_NOT (tainted = FALSE)
135 #define TAINT_IF(c) if (c) { tainted = TRUE; }
136 #define TAINT_ENV() if (tainting) { taint_env(); }
137 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
139 /* XXX All process group stuff is handled in pp_sys.c. Should these
140 defines move there? If so, I could simplify this a lot. --AD 9/96.
142 /* Process group stuff changed from traditional BSD to POSIX.
143 perlfunc.pod documents the traditional BSD-style syntax, so we'll
144 try to preserve that, if possible.
147 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
149 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
150 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
152 # ifdef HAS_SETPGRP2 /* DG/UX */
153 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
157 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
158 # define HAS_SETPGRP /* Well, effectively it does . . . */
161 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
162 our life easier :-) so we'll try it.
165 # define BSD_GETPGRP(pid) getpgid((pid))
167 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
168 # define BSD_GETPGRP(pid) getpgrp((pid))
170 # ifdef HAS_GETPGRP2 /* DG/UX */
171 # define BSD_GETPGRP(pid) getpgrp2((pid))
175 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
176 # define HAS_GETPGRP /* Well, effectively it does . . . */
179 /* These are not exact synonyms, since setpgrp() and getpgrp() may
180 have different behaviors, but perl.h used to define USE_BSDPGRP
181 (prior to 5.003_05) so some extension might depend on it.
183 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
189 #ifndef _TYPES_ /* If types.h defines this it's easy. */
190 # ifndef major /* Does everyone's types.h define this? */
191 # include <sys/types.h>
205 # include <varargs.h>
211 #ifdef USE_NEXT_CTYPE
213 #if NX_CURRENT_COMPILER_RELEASE >= 400
214 #include <objc/NXCType.h>
215 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
216 #include <appkit/NXCType.h>
217 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
219 #else /* !USE_NEXT_CTYPE */
221 #endif /* USE_NEXT_CTYPE */
223 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
231 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
233 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
234 && defined(HAS_STRXFRM)
235 # define USE_LOCALE_COLLATE
237 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
238 # define USE_LOCALE_CTYPE
240 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
241 # define USE_LOCALE_NUMERIC
243 #endif /* !NO_LOCALE && HAS_SETLOCALE */
248 # ifdef PARAM_NEEDS_TYPES
249 # include <sys/types.h>
251 # include <sys/param.h>
255 /* Use all the "standard" definitions? */
256 #if defined(STANDARD_C) && defined(I_STDLIB)
260 /* This comes after <stdlib.h> so we don't try to change the standard
261 * library prototypes; we'll use our own in proto.h instead. */
266 # define malloc Mymalloc
267 # define calloc Mycalloc
268 # define realloc Myremalloc
271 # ifdef EMBEDMYMALLOC
272 # define malloc Perl_malloc
273 # define calloc Perl_calloc
274 # define realloc Perl_realloc
275 # define free Perl_free
282 # define safemalloc malloc
283 # define safecalloc calloc
284 # define saferealloc realloc
285 # define safefree free
287 #endif /* MYMALLOC */
289 #define MEM_SIZE Size_t
291 #if defined(STANDARD_C) && defined(I_STDDEF)
293 # define STRUCT_OFFSET(s,m) offsetof(s,m)
295 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
298 #if defined(I_STRING) || defined(__cplusplus)
301 # include <strings.h>
304 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
306 #define strrchr rindex
314 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
316 extern char * memcpy _((char*, char*, int));
322 # define memcpy(d,s,l) bcopy(s,d,l)
324 # define memcpy(d,s,l) my_bcopy(s,d,l)
327 #endif /* HAS_MEMCPY */
330 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
332 extern char *memset _((char*, int, int));
336 # define memset(d,c,l) my_memset(d,c,l)
337 #endif /* HAS_MEMSET */
339 #if !defined(HAS_MEMMOVE) && !defined(memmove)
340 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
341 # define memmove(d,s,l) bcopy(s,d,l)
343 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
344 # define memmove(d,s,l) memcpy(d,s,l)
346 # define memmove(d,s,l) my_bcopy(s,d,l)
351 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
355 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
356 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
358 extern int memcmp _((char*, char*, int));
362 # pragma function(memcmp)
366 # define memcmp my_memcmp
368 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
372 # define memzero(d,l) memset(d,0,l)
375 # define memzero(d,l) bzero(d,l)
377 # define memzero(d,l) my_bzero(d,l)
384 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
386 #endif /* !HAS_BCMP */
389 # include <netinet/in.h>
392 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
393 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
394 * (the neo-BSD seem to do this). */
399 # include <sys/stat.h>
402 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
403 like UTekV) are broken, sometimes giving false positives. Undefine
404 them here and let the code below set them to proper values.
406 The ghs macro stands for GreenHills Software C-1.8.5 which
407 is the C compiler for sysV88 and the various derivatives.
408 This header file bug is corrected in gcc-2.5.8 and later versions.
409 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
411 #if defined(uts) || (defined(m88k) && defined(ghs))
425 # ifdef I_SYS_TIME_KERNEL
428 # include <sys/time.h>
429 # ifdef I_SYS_TIME_KERNEL
434 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
435 # include <sys/times.h>
438 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
444 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
446 #endif /* !HAS_MKFIFO */
451 # include <net/errno.h>
456 # define SETERRNO(errcode,vmserrcode) \
458 set_errno(errcode); \
459 set_vaxc_errno(vmserrcode); \
462 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
466 # define ERRSV (thr->errsv)
467 # define ERRHV (thr->errhv)
469 # define ERRSV GvSV(errgv)
470 # define ERRHV GvHV(errgv)
471 #endif /* USE_THREADS */
474 extern int errno; /* ANSI allows errno to be an lvalue expr */
479 char *strerror _((int,...));
481 #ifndef DONT_DECLARE_STD
482 char *strerror _((int));
486 # define Strerror strerror
489 # ifdef HAS_SYS_ERRLIST
491 extern char *sys_errlist[];
493 # define Strerror(e) \
494 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
501 # include <sys/ioctl.h>
505 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
506 # ifdef HAS_SOCKETPAIR
507 # undef HAS_SOCKETPAIR
522 /* Configure already sets Direntry_t */
523 #if defined(I_DIRENT)
525 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
526 # include <sys/dir.h>
530 # include <sys/ndir.h>
534 # include <ndir.h> /* may be wrong in the future */
536 # include <sys/dir.h>
543 /* work around botch in SunOS 4.0.1 and 4.0.2 */
545 # define fputs(sv,fp) fprintf(fp,"%s",sv)
550 * The following gobbledygook brought to you on behalf of __STDC__.
551 * (I could just use #ifndef __STDC__, but this is more bulletproof
552 * in the face of half-implementations.)
557 # define S_IFMT _S_IFMT
559 # define S_IFMT 0170000
564 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
568 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
573 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
575 # define S_ISBLK(m) (0)
580 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
585 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
587 # define S_ISFIFO(m) (0)
593 # define S_ISLNK(m) _S_ISLNK(m)
596 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
599 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
601 # define S_ISLNK(m) (0)
609 # define S_ISSOCK(m) _S_ISSOCK(m)
612 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
615 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
617 # define S_ISSOCK(m) (0)
625 # define S_IRUSR S_IREAD
626 # define S_IWUSR S_IWRITE
627 # define S_IXUSR S_IEXEC
629 # define S_IRUSR 0400
630 # define S_IWUSR 0200
631 # define S_IXUSR 0100
633 # define S_IRGRP (S_IRUSR>>3)
634 # define S_IWGRP (S_IWUSR>>3)
635 # define S_IXGRP (S_IXUSR>>3)
636 # define S_IROTH (S_IRUSR>>6)
637 # define S_IWOTH (S_IWUSR>>6)
638 # define S_IXOTH (S_IXUSR>>6)
642 # define S_ISUID 04000
646 # define S_ISGID 02000
653 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
654 # define SLOPPYDIVIDE
661 /* XXX QUAD stuff is not currently supported on most systems.
662 Specifically, perl internals don't support long long. Among
663 the many problems is that some compilers support long long,
664 but the underlying library functions (such as sprintf) don't.
665 Some things do work (such as quad pack/unpack on convex);
666 also some systems use long long for the fpos_t typedef. That
669 The IV type is supposed to be long enough to hold any integral
671 --Andy Dougherty August 1996
678 # define Quad_t long long
680 # if BYTEORDER > 0xFFFF
689 typedef unsigned Quad_t UV;
690 # define IV_MAX PERL_QUAD_MAX
691 # define IV_MIN PERL_QUAD_MIN
692 # define UV_MAX PERL_UQUAD_MAX
693 # define UV_MIN PERL_UQUAD_MIN
696 typedef unsigned long UV;
697 # define IV_MAX PERL_LONG_MAX
698 # define IV_MIN PERL_LONG_MIN
699 # define UV_MAX PERL_ULONG_MAX
700 # define UV_MIN PERL_ULONG_MIN
703 /* Previously these definitions used hardcoded figures.
704 * It is hoped these formula are more portable, although
705 * no data one way or another is presently known to me.
706 * The "PERL_" names are used because these calculated constants
707 * do not meet the ANSI requirements for LONG_MAX, etc., which
708 * need to be constants acceptable to #if - kja
709 * define PERL_LONG_MAX 2147483647L
710 * define PERL_LONG_MIN (-LONG_MAX - 1)
711 * define PERL ULONG_MAX 4294967295L
714 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
723 * Try to figure out max and min values for the integral types. THE CORRECT
724 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
725 * following hacks are used if neither limits.h or values.h provide them:
726 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
727 * for types < int: (unsigned TYPE)~(unsigned)0
728 * The argument to ~ must be unsigned so that later signed->unsigned
729 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
730 * and it must not be smaller than int because ~ does integral promotion.
731 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
732 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
733 * The latter is a hack which happens to work on some machines but
734 * does *not* catch any random system, or things like integer types
735 * with NaN if that is possible.
737 * All of the types are explicitly cast to prevent accidental loss of
738 * numeric range, and in the hope that they will be less likely to confuse
739 * over-eager optimizers.
743 #define PERL_UCHAR_MIN ((unsigned char)0)
746 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
749 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
751 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
756 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
757 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
758 * depending on local options. Until Configure detects this (or at least
759 * detects whether the "signed" keyword is available) the CHAR ranges
760 * will not be included. UCHAR functions normally.
764 #define PERL_USHORT_MIN ((unsigned short)0)
767 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
770 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
772 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
777 # define PERL_SHORT_MAX ((short)SHORT_MAX)
779 # ifdef MAXSHORT /* Often used in <values.h> */
780 # define PERL_SHORT_MAX ((short)MAXSHORT)
782 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
787 # define PERL_SHORT_MIN ((short)SHORT_MIN)
790 # define PERL_SHORT_MIN ((short)MINSHORT)
792 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
797 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
800 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
802 # define PERL_UINT_MAX (~(unsigned int)0)
806 #define PERL_UINT_MIN ((unsigned int)0)
809 # define PERL_INT_MAX ((int)INT_MAX)
811 # ifdef MAXINT /* Often used in <values.h> */
812 # define PERL_INT_MAX ((int)MAXINT)
814 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
819 # define PERL_INT_MIN ((int)INT_MIN)
822 # define PERL_INT_MIN ((int)MININT)
824 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
829 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
832 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
834 # define PERL_ULONG_MAX (~(unsigned long)0)
838 #define PERL_ULONG_MIN ((unsigned long)0L)
841 # define PERL_LONG_MAX ((long)LONG_MAX)
843 # ifdef MAXLONG /* Often used in <values.h> */
844 # define PERL_LONG_MAX ((long)MAXLONG)
846 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
851 # define PERL_LONG_MIN ((long)LONG_MIN)
854 # define PERL_LONG_MIN ((long)MINLONG)
856 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
863 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
865 # define PERL_UQUAD_MAX (~(UV)0)
868 # define PERL_UQUAD_MIN ((UV)0)
871 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
873 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
877 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
879 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
884 typedef MEM_SIZE STRLEN;
886 typedef struct op OP;
887 typedef struct cop COP;
888 typedef struct unop UNOP;
889 typedef struct binop BINOP;
890 typedef struct listop LISTOP;
891 typedef struct logop LOGOP;
892 typedef struct condop CONDOP;
893 typedef struct pmop PMOP;
894 typedef struct svop SVOP;
895 typedef struct gvop GVOP;
896 typedef struct pvop PVOP;
897 typedef struct loop LOOP;
899 typedef struct Outrec Outrec;
900 typedef struct interpreter PerlInterpreter;
902 typedef struct ff FF; /* XXX not defined anywhere, should go? */
904 typedef struct sv SV;
905 typedef struct av AV;
906 typedef struct hv HV;
907 typedef struct cv CV;
908 typedef struct regexp REGEXP;
909 typedef struct gp GP;
910 typedef struct gv GV;
911 typedef struct io IO;
912 typedef struct context PERL_CONTEXT;
913 typedef struct block BLOCK;
915 typedef struct magic MAGIC;
916 typedef struct xrv XRV;
917 typedef struct xpv XPV;
918 typedef struct xpviv XPVIV;
919 typedef struct xpvuv XPVUV;
920 typedef struct xpvnv XPVNV;
921 typedef struct xpvmg XPVMG;
922 typedef struct xpvlv XPVLV;
923 typedef struct xpvav XPVAV;
924 typedef struct xpvhv XPVHV;
925 typedef struct xpvgv XPVGV;
926 typedef struct xpvcv XPVCV;
927 typedef struct xpvbm XPVBM;
928 typedef struct xpvfm XPVFM;
929 typedef struct xpvio XPVIO;
930 typedef struct mgvtbl MGVTBL;
931 typedef union any ANY;
935 typedef I32 (*filter_t) _((int, SV *, int));
936 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
937 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
938 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
951 # include "./plan9/plan9ish.h"
953 # include "unixish.h"
959 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
960 * which defines NSIG - which will stop inclusion of <signal.h>
961 * this results in many functions being undeclared which bothers C++
962 * May make sense to have threads after "*ish.h" anyway
967 # include "fakethr.h"
970 # include <win32thread.h>
972 # include <pthread.h>
973 typedef pthread_mutex_t perl_mutex;
974 typedef pthread_cond_t perl_cond;
975 typedef pthread_key_t perl_key;
977 # endif /* FAKE_THREADS */
978 #endif /* USE_THREADS */
983 # define STATUS_NATIVE statusvalue_vms
984 # define STATUS_NATIVE_EXPORT \
985 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
986 # define STATUS_NATIVE_SET(n) \
988 statusvalue_vms = (n); \
989 if ((I32)statusvalue_vms == -1) \
991 else if (statusvalue_vms & STS$M_SUCCESS) \
993 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
994 statusvalue = 1 << 8; \
996 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
998 # define STATUS_POSIX statusvalue
999 # ifdef VMSISH_STATUS
1000 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1002 # define STATUS_CURRENT STATUS_POSIX
1004 # define STATUS_POSIX_SET(n) \
1006 statusvalue = (n); \
1007 if (statusvalue != -1) { \
1008 statusvalue &= 0xFFFF; \
1009 statusvalue_vms = statusvalue ? 44 : 1; \
1011 else statusvalue_vms = -1; \
1013 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1014 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1016 # define STATUS_NATIVE STATUS_POSIX
1017 # define STATUS_NATIVE_EXPORT STATUS_POSIX
1018 # define STATUS_NATIVE_SET STATUS_POSIX_SET
1019 # define STATUS_POSIX statusvalue
1020 # define STATUS_POSIX_SET(n) \
1022 statusvalue = (n); \
1023 if (statusvalue != -1) \
1024 statusvalue &= 0xFFFF; \
1026 # define STATUS_CURRENT STATUS_POSIX
1027 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1028 # define STATUS_ALL_FAILURE (statusvalue = 1)
1031 /* Some unistd.h's give a prototype for pause() even though
1032 HAS_PAUSE ends up undefined. This causes the #define
1033 below to be rejected by the compmiler. Sigh.
1038 #define Pause() sleep((32767<<16)+32767)
1042 # ifdef IOCPARM_MASK
1043 /* on BSDish systes we're safe */
1044 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1046 /* otherwise guess at what's safe */
1047 # define IOCPARM_LEN(x) 256
1056 void (*any_dptr) _((void*));
1060 #define ARGSproto struct thread *thr
1062 #define ARGSproto void
1063 #endif /* USE_THREADS */
1065 /* Work around some cygwin32 problems with importing global symbols */
1066 #if defined(CYGWIN32) && defined(DLLIMPORT)
1067 # include "cw32imp.h"
1084 /* work around some libPW problems */
1089 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1093 #if defined(htonl) && !defined(HAS_HTONL)
1096 #if defined(htons) && !defined(HAS_HTONS)
1099 #if defined(ntohl) && !defined(HAS_NTOHL)
1102 #if defined(ntohs) && !defined(HAS_NTOHS)
1106 #if (BYTEORDER & 0xffff) != 0x4321
1112 #define htons my_swap
1113 #define htonl my_htonl
1114 #define ntohs my_swap
1115 #define ntohl my_ntohl
1118 #if (BYTEORDER & 0xffff) == 0x4321
1127 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1130 #if BYTEORDER != 0x1234
1135 # if BYTEORDER == 0x4321
1136 # define vtohl(x) ((((x)&0xFF)<<24) \
1138 +(((x)&0x0000FF00)<<8) \
1139 +(((x)&0x00FF0000)>>8) )
1140 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1141 # define htovl(x) vtohl(x)
1142 # define htovs(x) vtohs(x)
1144 /* otherwise default to functions in util.c */
1148 #define U_S(what) ((U16)(what))
1149 #define U_I(what) ((unsigned int)(what))
1150 #define U_L(what) ((U32)(what))
1152 EXTERN_C U32 cast_ulong _((double));
1153 #define U_S(what) ((U16)cast_ulong((double)(what)))
1154 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1155 #define U_L(what) (cast_ulong((double)(what)))
1159 #define I_32(what) ((I32)(what))
1160 #define I_V(what) ((IV)(what))
1161 #define U_V(what) ((UV)(what))
1164 I32 cast_i32 _((double));
1165 IV cast_iv _((double));
1166 UV cast_uv _((double));
1168 #define I_32(what) (cast_i32((double)(what)))
1169 #define I_V(what) (cast_iv((double)(what)))
1170 #define U_V(what) (cast_uv((double)(what)))
1184 # define TMPPATH "/tmp/perl-eXXXXXX"
1188 Uid_t getuid _((void));
1189 Uid_t geteuid _((void));
1190 Gid_t getgid _((void));
1191 Gid_t getegid _((void));
1195 #ifndef Perl_debug_log
1196 #define Perl_debug_log PerlIO_stderr()
1200 #define DEBUG(a) if (debug) a
1201 #define DEBUG_p(a) if (debug & 1) a
1202 #define DEBUG_s(a) if (debug & 2) a
1203 #define DEBUG_l(a) if (debug & 4) a
1204 #define DEBUG_t(a) if (debug & 8) a
1205 #define DEBUG_o(a) if (debug & 16) a
1206 #define DEBUG_c(a) if (debug & 32) a
1207 #define DEBUG_P(a) if (debug & 64) a
1208 #define DEBUG_m(a) if (curinterp && debug & 128) a
1209 #define DEBUG_f(a) if (debug & 256) a
1210 #define DEBUG_r(a) if (debug & 512) a
1211 #define DEBUG_x(a) if (debug & 1024) a
1212 #define DEBUG_u(a) if (debug & 2048) a
1213 #define DEBUG_L(a) if (debug & 4096) a
1214 #define DEBUG_H(a) if (debug & 8192) a
1215 #define DEBUG_X(a) if (debug & 16384) a
1216 #define DEBUG_D(a) if (debug & 32768) a
1237 #define YYMAXDEPTH 300
1239 #ifndef assert /* <assert.h> might have been included somehow */
1240 #define assert(what) DEB( { \
1242 croak("Assertion failed: file \"%s\", line %d", \
1243 __FILE__, __LINE__); \
1249 I32 (*uf_val)_((IV, SV*));
1250 I32 (*uf_set)_((IV, SV*));
1254 /* Fix these up for __STDC__ */
1255 #ifndef DONT_DECLARE_STD
1256 char *mktemp _((char*));
1257 double atof _((const char*));
1261 /* All of these are in stdlib.h or time.h for ANSI C */
1263 struct tm *gmtime(), *localtime();
1264 char *strchr(), *strrchr();
1265 char *strcpy(), *strcat();
1266 #endif /* ! STANDARD_C */
1273 double exp _((double));
1274 double log _((double));
1275 double log10 _((double));
1276 double sqrt _((double));
1277 double frexp _((double,int*));
1278 double ldexp _((double,int));
1279 double modf _((double,double*));
1280 double sin _((double));
1281 double cos _((double));
1282 double atan2 _((double,double));
1283 double pow _((double,double));
1288 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1289 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1291 char *crypt _((const char*, const char*));
1293 #ifndef DONT_DECLARE_STD
1295 char *getenv _((const char*));
1297 Off_t lseek _((int,Off_t,int));
1299 char *getlogin _((void));
1302 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1303 #define UNLINK unlnk
1304 I32 unlnk _((char*));
1306 #define UNLINK unlink
1309 #ifndef HAS_SETREUID
1310 # ifdef HAS_SETRESUID
1311 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1312 # define HAS_SETREUID
1315 #ifndef HAS_SETREGID
1316 # ifdef HAS_SETRESGID
1317 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1318 # define HAS_SETREGID
1322 typedef Signal_t (*Sighandler_t) _((int));
1324 #ifdef HAS_SIGACTION
1325 typedef struct sigaction Sigsave_t;
1327 typedef Sighandler_t Sigsave_t;
1338 # define PAD_SV(po) pad_sv(po)
1339 # define RUNOPS_DEFAULT runops_debug
1341 # define PAD_SV(po) curpad[po]
1342 # define RUNOPS_DEFAULT runops_standard
1346 * These need prototyping here because <proto.h> isn't
1347 * included until after runops is initialised.
1350 int runops_standard _((void));
1352 int runops_debug _((void));
1355 #define PER_THREAD_MAGICALS "123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1362 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1364 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1365 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1366 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1367 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1368 EXT perl_cond eval_cond; /* Condition variable for doeval */
1369 EXT struct thread * eval_owner; /* Owner thread for doeval */
1370 EXT int nthreads; /* Number of threads currently */
1371 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1372 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1373 EXT char * per_thread_magicals INIT(PER_THREAD_MAGICALS);
1375 EXT struct thread * thr; /* Currently executing (fake) thread */
1377 #endif /* USE_THREADS */
1379 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1380 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1381 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun))
1382 extern char ** environ; /* environment variables supplied via exec */
1385 # if defined(NeXT) && defined(__DYNAMIC__)
1387 # include <mach-o/dyld.h>
1388 EXT char *** environ_pointer;
1389 # define environ (*environ_pointer)
1391 #endif /* environ processing */
1393 EXT int uid; /* current real user id */
1394 EXT int euid; /* current effective user id */
1395 EXT int gid; /* current real group id */
1396 EXT int egid; /* current effective group id */
1397 EXT bool nomemok; /* let malloc context handle nomem */
1398 EXT U32 an; /* malloc sequence number */
1399 EXT U32 cop_seqmax; /* statement sequence number */
1400 EXT U16 op_seqmax; /* op sequence number */
1401 EXT U32 evalseq; /* eval sequence number */
1402 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1403 EXT char ** origenviron;
1405 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1406 EXT U32 * profiledata;
1407 EXT int maxo INIT(MAXO);/* Number of ops */
1408 EXT char * osname; /* operating system */
1409 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1410 EXT Sighandler_t sighandlerp;
1412 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1413 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1414 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1415 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1416 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1417 EXT HE * he_root; /* free he list--shared by interpreters */
1418 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1419 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1421 /* Stack for currently executing thread--context switch must handle this. */
1422 EXT SV ** stack_base; /* stack->array_ary */
1423 EXT SV ** stack_sp; /* stack pointer now */
1424 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1426 /* likewise for these */
1428 #ifdef OP_IN_REGISTER
1429 EXT OP * opsave; /* save current op register across longjmps */
1431 EXT OP * op; /* current op--when not in a global register */
1433 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1434 EXT I32 * scopestack; /* blocks we've entered */
1435 EXT I32 scopestack_ix;
1436 EXT I32 scopestack_max;
1438 EXT ANY* savestack; /* to save non-local values on */
1439 EXT I32 savestack_ix;
1440 EXT I32 savestack_max;
1442 EXT OP ** retstack; /* returns we've pushed */
1443 EXT I32 retstack_ix;
1444 EXT I32 retstack_max;
1446 EXT I32 * markstack; /* stackmarks we're remembering */
1447 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1448 EXT I32 * markstack_max; /* stackmarks we're remembering */
1455 EXT char tokenbuf[256];
1456 EXT struct stat statbuf;
1458 EXT struct tms timesbuf;
1460 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1462 /* for tmp use in stupid debuggers */
1467 /* handy constants */
1468 EXTCONST char * Yes INIT("1");
1469 EXTCONST char * No INIT("");
1470 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1471 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1472 EXTCONST char * vert INIT("|");
1474 EXTCONST char warn_uninit[]
1475 INIT("Use of uninitialized value");
1476 EXTCONST char warn_nosemi[]
1477 INIT("Semicolon seems to be missing");
1478 EXTCONST char warn_reserved[]
1479 INIT("Unquoted string \"%s\" may clash with future reserved word");
1480 EXTCONST char warn_nl[]
1481 INIT("Unsuccessful %s on filename containing newline");
1482 EXTCONST char no_wrongref[]
1483 INIT("Can't use %s ref as %s ref");
1484 EXTCONST char no_symref[]
1485 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1486 EXTCONST char no_usym[]
1487 INIT("Can't use an undefined value as %s reference");
1488 EXTCONST char no_aelem[]
1489 INIT("Modification of non-creatable array value attempted, subscript %d");
1490 EXTCONST char no_helem[]
1491 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1492 EXTCONST char no_modify[]
1493 INIT("Modification of a read-only value attempted");
1494 EXTCONST char no_mem[]
1495 INIT("Out of memory!\n");
1496 EXTCONST char no_security[]
1497 INIT("Insecure dependency in %s%s");
1498 EXTCONST char no_sock_func[]
1499 INIT("Unsupported socket function \"%s\" called");
1500 EXTCONST char no_dir_func[]
1501 INIT("Unsupported directory function \"%s\" called");
1502 EXTCONST char no_func[]
1503 INIT("The %s function is unimplemented");
1504 EXTCONST char no_myglob[]
1505 INIT("\"my\" variable %s can't be in a package");
1511 EXT char * cshname INIT(CSH);
1516 EXT char *sig_name[] = { SIG_NAME };
1517 EXT int sig_num[] = { SIG_NUM };
1518 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1519 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1521 EXT char *sig_name[];
1523 EXT SV * psig_ptr[];
1524 EXT SV * psig_name[];
1527 /* fast case folding tables */
1530 EXTCONST unsigned char fold[] = {
1531 0, 1, 2, 3, 4, 5, 6, 7,
1532 8, 9, 10, 11, 12, 13, 14, 15,
1533 16, 17, 18, 19, 20, 21, 22, 23,
1534 24, 25, 26, 27, 28, 29, 30, 31,
1535 32, 33, 34, 35, 36, 37, 38, 39,
1536 40, 41, 42, 43, 44, 45, 46, 47,
1537 48, 49, 50, 51, 52, 53, 54, 55,
1538 56, 57, 58, 59, 60, 61, 62, 63,
1539 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1540 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1541 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1542 'x', 'y', 'z', 91, 92, 93, 94, 95,
1543 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1544 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1545 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1546 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1547 128, 129, 130, 131, 132, 133, 134, 135,
1548 136, 137, 138, 139, 140, 141, 142, 143,
1549 144, 145, 146, 147, 148, 149, 150, 151,
1550 152, 153, 154, 155, 156, 157, 158, 159,
1551 160, 161, 162, 163, 164, 165, 166, 167,
1552 168, 169, 170, 171, 172, 173, 174, 175,
1553 176, 177, 178, 179, 180, 181, 182, 183,
1554 184, 185, 186, 187, 188, 189, 190, 191,
1555 192, 193, 194, 195, 196, 197, 198, 199,
1556 200, 201, 202, 203, 204, 205, 206, 207,
1557 208, 209, 210, 211, 212, 213, 214, 215,
1558 216, 217, 218, 219, 220, 221, 222, 223,
1559 224, 225, 226, 227, 228, 229, 230, 231,
1560 232, 233, 234, 235, 236, 237, 238, 239,
1561 240, 241, 242, 243, 244, 245, 246, 247,
1562 248, 249, 250, 251, 252, 253, 254, 255
1565 EXTCONST unsigned char fold[];
1569 EXT unsigned char fold_locale[] = {
1570 0, 1, 2, 3, 4, 5, 6, 7,
1571 8, 9, 10, 11, 12, 13, 14, 15,
1572 16, 17, 18, 19, 20, 21, 22, 23,
1573 24, 25, 26, 27, 28, 29, 30, 31,
1574 32, 33, 34, 35, 36, 37, 38, 39,
1575 40, 41, 42, 43, 44, 45, 46, 47,
1576 48, 49, 50, 51, 52, 53, 54, 55,
1577 56, 57, 58, 59, 60, 61, 62, 63,
1578 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1579 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1580 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1581 'x', 'y', 'z', 91, 92, 93, 94, 95,
1582 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1583 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1584 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1585 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1586 128, 129, 130, 131, 132, 133, 134, 135,
1587 136, 137, 138, 139, 140, 141, 142, 143,
1588 144, 145, 146, 147, 148, 149, 150, 151,
1589 152, 153, 154, 155, 156, 157, 158, 159,
1590 160, 161, 162, 163, 164, 165, 166, 167,
1591 168, 169, 170, 171, 172, 173, 174, 175,
1592 176, 177, 178, 179, 180, 181, 182, 183,
1593 184, 185, 186, 187, 188, 189, 190, 191,
1594 192, 193, 194, 195, 196, 197, 198, 199,
1595 200, 201, 202, 203, 204, 205, 206, 207,
1596 208, 209, 210, 211, 212, 213, 214, 215,
1597 216, 217, 218, 219, 220, 221, 222, 223,
1598 224, 225, 226, 227, 228, 229, 230, 231,
1599 232, 233, 234, 235, 236, 237, 238, 239,
1600 240, 241, 242, 243, 244, 245, 246, 247,
1601 248, 249, 250, 251, 252, 253, 254, 255
1604 EXT unsigned char fold_locale[];
1608 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1609 1, 2, 84, 151, 154, 155, 156, 157,
1610 165, 246, 250, 3, 158, 7, 18, 29,
1611 40, 51, 62, 73, 85, 96, 107, 118,
1612 129, 140, 147, 148, 149, 150, 152, 153,
1613 255, 182, 224, 205, 174, 176, 180, 217,
1614 233, 232, 236, 187, 235, 228, 234, 226,
1615 222, 219, 211, 195, 188, 193, 185, 184,
1616 191, 183, 201, 229, 181, 220, 194, 162,
1617 163, 208, 186, 202, 200, 218, 198, 179,
1618 178, 214, 166, 170, 207, 199, 209, 206,
1619 204, 160, 212, 216, 215, 192, 175, 173,
1620 243, 172, 161, 190, 203, 189, 164, 230,
1621 167, 248, 227, 244, 242, 255, 241, 231,
1622 240, 253, 169, 210, 245, 237, 249, 247,
1623 239, 168, 252, 251, 254, 238, 223, 221,
1624 213, 225, 177, 197, 171, 196, 159, 4,
1625 5, 6, 8, 9, 10, 11, 12, 13,
1626 14, 15, 16, 17, 19, 20, 21, 22,
1627 23, 24, 25, 26, 27, 28, 30, 31,
1628 32, 33, 34, 35, 36, 37, 38, 39,
1629 41, 42, 43, 44, 45, 46, 47, 48,
1630 49, 50, 52, 53, 54, 55, 56, 57,
1631 58, 59, 60, 61, 63, 64, 65, 66,
1632 67, 68, 69, 70, 71, 72, 74, 75,
1633 76, 77, 78, 79, 80, 81, 82, 83,
1634 86, 87, 88, 89, 90, 91, 92, 93,
1635 94, 95, 97, 98, 99, 100, 101, 102,
1636 103, 104, 105, 106, 108, 109, 110, 111,
1637 112, 113, 114, 115, 116, 117, 119, 120,
1638 121, 122, 123, 124, 125, 126, 127, 128,
1639 130, 131, 132, 133, 134, 135, 136, 137,
1640 138, 139, 141, 142, 143, 144, 145, 146
1643 EXTCONST unsigned char freq[];
1648 EXTCONST char* block_type[] = {
1657 EXTCONST char* block_type[];
1661 /*****************************************************************************/
1662 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1663 /*****************************************************************************/
1664 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1668 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1679 EXT U32 lex_state; /* next token is determined */
1680 EXT U32 lex_defer; /* state after determined token */
1681 EXT expectation lex_expect; /* expect after determined token */
1682 EXT I32 lex_brackets; /* bracket count */
1683 EXT I32 lex_formbrack; /* bracket count at outer format level */
1684 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1685 EXT I32 lex_casemods; /* casemod count */
1686 EXT I32 lex_dojoin; /* doing an array interpolation */
1687 EXT I32 lex_starts; /* how many interps done on level */
1688 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1689 EXT SV * lex_repl; /* runtime replacement from s/// */
1690 EXT OP * lex_op; /* extra info to pass back on op */
1691 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1692 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1693 EXT char * lex_brackstack; /* what kind of brackets to pop */
1694 EXT char * lex_casestack; /* what kind of case mods in effect */
1696 /* What we know when we're in LEX_KNOWNEXT state. */
1697 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1698 EXT I32 nexttype[5]; /* type of next token */
1701 EXT PerlIO * VOL rsfp INIT(Nullfp);
1704 EXT char * oldbufptr;
1705 EXT char * oldoldbufptr;
1707 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1708 EXT AV * rsfp_filters;
1710 EXT I32 multi_start; /* 1st line of multi-line string */
1711 EXT I32 multi_end; /* last line of multi-line string */
1712 EXT I32 multi_open; /* delimiter of said string */
1713 EXT I32 multi_close; /* delimiter of said string */
1716 EXT I32 error_count; /* how many errors so far, max 10 */
1717 EXT I32 subline; /* line this subroutine began on */
1718 EXT SV * subname; /* name of current subroutine */
1720 EXT CV * compcv; /* currently compiling subroutine */
1721 EXT AV * comppad; /* storage for lexically scoped temporaries */
1722 EXT AV * comppad_name; /* variable names for "my" variables */
1723 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1724 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1725 EXT I32 min_intro_pending;/* start of vars to introduce */
1726 EXT I32 max_intro_pending;/* end of vars to introduce */
1727 EXT I32 padix; /* max used index in current "register" pad */
1728 EXT I32 padix_floor; /* how low may inner block reset padix */
1729 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1732 EXT I32 thisexpr; /* name id for nothing_in_common() */
1733 EXT char * last_uni; /* position of last named-unary operator */
1734 EXT char * last_lop; /* position of last list operator */
1735 EXT OPCODE last_lop_op; /* last list operator */
1736 EXT bool in_my; /* we're compiling a "my" declaration */
1737 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1739 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1742 EXT U32 hints; /* various compilation flags */
1744 /* Note: the lowest 8 bits are reserved for
1745 stuffing into op->op_private */
1746 #define HINT_INTEGER 0x00000001
1747 #define HINT_STRICT_REFS 0x00000002
1749 #define HINT_BLOCK_SCOPE 0x00000100
1750 #define HINT_STRICT_SUBS 0x00000200
1751 #define HINT_STRICT_VARS 0x00000400
1752 #define HINT_LOCALE 0x00000800
1754 /**************************************************************************/
1755 /* This regexp stuff is global since it always happens within 1 expr eval */
1756 /**************************************************************************/
1758 EXT char * regprecomp; /* uncompiled string. */
1759 EXT char * regparse; /* Input-scan pointer. */
1760 EXT char * regxend; /* End of input for compile */
1761 EXT I32 regnpar; /* () count. */
1762 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1763 EXT I32 regsize; /* Code size. */
1764 EXT I32 regnaughty; /* How bad is this pattern? */
1765 EXT I32 regsawback; /* Did we see \1, ...? */
1767 EXT char * reginput; /* String-input pointer. */
1768 EXT char * regbol; /* Beginning of input, for ^ check. */
1769 EXT char * regeol; /* End of input, for $ check. */
1770 EXT char ** regstartp; /* Pointer to startp array. */
1771 EXT char ** regendp; /* Ditto for endp. */
1772 EXT U32 * reglastparen; /* Similarly for lastparen. */
1773 EXT char * regtill; /* How far we are required to go. */
1774 EXT U16 regflags; /* are we folding, multilining? */
1775 EXT char regprev; /* char before regbol, \n if none */
1777 EXT bool do_undump; /* -u or dump seen? */
1780 /***********************************************/
1781 /* Global only to current interpreter instance */
1782 /***********************************************/
1787 struct interpreter {
1790 #define IINIT(x) INIT(x)
1793 /* pseudo environmental stuff */
1795 IEXT char ** Iorigargv;
1799 IEXT char * Iorigfilename;
1801 IEXT SV * Iwarnhook;
1802 IEXT SV * Iparsehook;
1804 /* Various states of an input record separator SV (rs, nrs) */
1805 #define RsSNARF(sv) (! SvOK(sv))
1806 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1807 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1812 IEXT char Ipatchlevel[10];
1813 IEXT char ** Ilocalpatches;
1815 IEXT char * Isplitstr IINIT(" ");
1816 IEXT bool Ipreprocess;
1822 IEXT bool Idoswitches;
1824 IEXT bool Idoextract;
1825 IEXT bool Isawampersand; /* must save all match strings */
1826 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1829 IEXT char * Iinplace;
1830 IEXT char * Ie_tmpname;
1831 IEXT PerlIO * Ie_fp;
1833 /* This value may be raised by extensions for testing purposes */
1834 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1836 /* magical thingies */
1837 IEXT Time_t Ibasetime; /* $^T */
1838 IEXT SV * Iformfeed; /* $^L */
1839 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1840 IEXT SV * Irs; /* $/ */
1841 IEXT char * Iofs; /* $, */
1842 IEXT STRLEN Iofslen;
1843 IEXT char * Iors; /* $\ */
1844 IEXT STRLEN Iorslen;
1845 IEXT char * Iofmt; /* $# */
1846 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1847 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1848 IEXT I32 Istatusvalue; /* $? */
1850 IEXT U32 Istatusvalue_vms;
1853 IEXT struct stat Istatcache; /* _ */
1855 IEXT SV * Istatname IINIT(Nullsv);
1857 /* shortcuts to various I/O objects */
1859 IEXT GV * Ilast_in_gv;
1862 IEXT GV * Idefoutgv;
1863 IEXT GV * Iargvoutgv;
1865 /* shortcuts to regexp stuff */
1869 IEXT PMOP * Icurpm; /* what to do \ interps from */
1870 IEXT I32 * Iscreamfirst;
1871 IEXT I32 * Iscreamnext;
1872 IEXT I32 Imaxscream IINIT(-1);
1873 IEXT SV * Ilastscream;
1875 /* shortcuts to misc objects */
1878 /* shortcuts to debugging objects */
1882 IEXT SV * IDBsingle;
1884 IEXT SV * IDBsignal;
1885 IEXT AV * Ilineary; /* lines of script for debugger */
1886 IEXT AV * Idbargs; /* args to call listed by caller function */
1889 IEXT HV * Idefstash; /* main symbol table */
1890 IEXT HV * Icurstash; /* symbol table for current package */
1891 IEXT HV * Idebstash; /* symbol table for perldb package */
1892 IEXT SV * Icurstname; /* name of current package */
1893 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1894 IEXT AV * Iendav; /* names of END subroutines */
1895 IEXT AV * Iinitav; /* names of INIT subroutines */
1896 IEXT HV * Istrtab; /* shared string table */
1898 /* memory management */
1899 IEXT SV ** Itmps_stack;
1900 IEXT I32 Itmps_ix IINIT(-1);
1901 IEXT I32 Itmps_floor IINIT(-1);
1903 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1904 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1905 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1906 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1908 /* funky return mechanisms */
1909 IEXT I32 Ilastspbase;
1911 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1913 /* subprocess state */
1914 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1916 /* internal state */
1917 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1918 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1919 IEXT int Idelaymagic; /* ($<,$>) = ... */
1920 IEXT bool Idirty; /* In the middle of tearing things down? */
1921 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1922 IEXT bool Itainted; /* using variables controlled by $< */
1923 IEXT bool Itainting; /* doing taint checks */
1924 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1928 IEXT I32 Idlmax IINIT(128);
1929 IEXT char * Idebname;
1930 IEXT char * Idebdelim;
1932 /* current interpreter roots */
1934 IEXT OP * Imain_root;
1935 IEXT OP * Imain_start;
1936 IEXT OP * Ieval_root;
1937 IEXT OP * Ieval_start;
1939 /* runtime control stuff */
1940 IEXT COP * VOL Icurcop IINIT(&compiling);
1941 IEXT COP * Icurcopdb IINIT(NULL);
1942 IEXT line_t Icopline IINIT(NOLINE);
1943 IEXT PERL_CONTEXT * Icxstack;
1944 IEXT I32 Icxstack_ix IINIT(-1);
1945 IEXT I32 Icxstack_max IINIT(128);
1946 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1947 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1951 IEXT AV * Icurstack; /* THE STACK */
1952 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1954 /* format accumulators */
1955 IEXT SV * Iformtarget;
1956 IEXT SV * Ibodytarget;
1957 IEXT SV * Itoptarget;
1959 /* statics moved here for shared library purposes */
1960 IEXT SV Istrchop; /* return value from chop */
1961 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1962 IEXT int Ilastfd; /* what to preserve mode on */
1963 IEXT char * Ioldname; /* what to preserve mode on */
1964 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1965 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1966 IEXT OP * Isortcop; /* user defined sort routine */
1967 IEXT HV * Isortstash; /* which is in some package or other */
1968 IEXT GV * Ifirstgv; /* $a */
1969 IEXT GV * Isecondgv; /* $b */
1970 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1971 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1972 IEXT SV * Imystrk; /* temp key string for do_each() */
1973 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1974 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1975 IEXT I32 Igensym; /* next symbol for getsym() to define */
1976 IEXT bool Ipreambled;
1977 IEXT AV * Ipreambleav;
1978 IEXT int Ilaststatval IINIT(-1);
1979 IEXT I32 Ilaststype IINIT(OP_STAT);
1984 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1985 #endif /* USE_THREADS */
1993 struct interpreter {
2005 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
2006 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
2008 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
2009 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2014 /* The following must follow proto.h */
2018 EXT MGVTBL vtbl_sv = {magic_get,
2022 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2023 0, magic_clear_all_env,
2025 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2028 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2029 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2033 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2035 EXT MGVTBL vtbl_packelem = {magic_getpack,
2039 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2041 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2044 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2046 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2049 EXT MGVTBL vtbl_glob = {magic_getglob,
2052 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2054 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2056 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2058 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2060 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2062 EXT MGVTBL vtbl_pos = {magic_getpos,
2065 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2067 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2069 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2073 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2074 #endif /* USE_THREADS */
2075 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2076 0, 0, magic_freedefelem};
2078 #ifdef USE_LOCALE_COLLATE
2079 EXT MGVTBL vtbl_collxfrm = {0,
2085 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2086 0, 0, magic_setamagic};
2087 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2088 0, 0, magic_setamagic};
2089 #endif /* OVERLOAD */
2094 EXT MGVTBL vtbl_env;
2095 EXT MGVTBL vtbl_envelem;
2096 EXT MGVTBL vtbl_sig;
2097 EXT MGVTBL vtbl_sigelem;
2098 EXT MGVTBL vtbl_pack;
2099 EXT MGVTBL vtbl_packelem;
2100 EXT MGVTBL vtbl_dbline;
2101 EXT MGVTBL vtbl_isa;
2102 EXT MGVTBL vtbl_isaelem;
2103 EXT MGVTBL vtbl_arylen;
2104 EXT MGVTBL vtbl_glob;
2105 EXT MGVTBL vtbl_mglob;
2106 EXT MGVTBL vtbl_nkeys;
2107 EXT MGVTBL vtbl_taint;
2108 EXT MGVTBL vtbl_substr;
2109 EXT MGVTBL vtbl_vec;
2110 EXT MGVTBL vtbl_pos;
2113 EXT MGVTBL vtbl_uvar;
2116 EXT MGVTBL vtbl_mutex;
2117 #endif /* USE_THREADS */
2119 EXT MGVTBL vtbl_defelem;
2121 #ifdef USE_LOCALE_COLLATE
2122 EXT MGVTBL vtbl_collxfrm;
2126 EXT MGVTBL vtbl_amagic;
2127 EXT MGVTBL vtbl_amagicelem;
2128 #endif /* OVERLOAD */
2130 #endif /* !DOINIT */
2134 EXT long amagic_generation;
2136 #define NofAMmeth 58
2138 EXTCONST char * AMG_names[NofAMmeth] = {
2139 "fallback", "abs", /* "fallback" should be the first. */
2170 EXTCONST char * AMG_names[NofAMmeth];
2171 #endif /* def INITAMAGIC */
2177 CV* table[NofAMmeth];
2180 struct am_table_short {
2185 typedef struct am_table AMT;
2186 typedef struct am_table_short AMTS;
2188 #define AMGfallNEVER 1
2190 #define AMGfallYES 3
2192 #define AMTf_AMAGIC 1
2193 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2194 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2195 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2198 fallback_amg, abs_amg,
2199 bool__amg, nomethod_amg,
2200 string_amg, numer_amg,
2201 add_amg, add_ass_amg,
2202 subtr_amg, subtr_ass_amg,
2203 mult_amg, mult_ass_amg,
2204 div_amg, div_ass_amg,
2205 mod_amg, mod_ass_amg,
2206 pow_amg, pow_ass_amg,
2207 lshift_amg, lshift_ass_amg,
2208 rshift_amg, rshift_ass_amg,
2209 band_amg, band_ass_amg,
2210 bor_amg, bor_ass_amg,
2211 bxor_amg, bxor_ass_amg,
2224 repeat_amg, repeat_ass_amg,
2225 concat_amg, concat_ass_amg,
2230 * some compilers like to redefine cos et alia as faster
2231 * (and less accurate?) versions called F_cos et cetera (Quidquid
2232 * latine dictum sit, altum viditur.) This trick collides with
2233 * the Perl overloading (amg). The following #defines fool both.
2238 # define F_atan2_amg atan2_amg
2241 # define F_cos_amg cos_amg
2244 # define F_exp_amg exp_amg
2247 # define F_log_amg log_amg
2250 # define F_pow_amg pow_amg
2253 # define F_sin_amg sin_amg
2256 # define F_sqrt_amg sqrt_amg
2258 #endif /* _FASTMATH */
2260 #endif /* OVERLOAD */
2262 #define PERLDB_ALL 0xff
2263 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2264 #define PERLDBf_LINE 0x02 /* Keep line #. */
2265 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2266 #define PERLDBf_INTER 0x08 /* Preserve more data for
2267 later inspections. */
2268 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2269 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2271 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2272 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2273 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2274 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2275 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2276 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2278 #ifdef USE_LOCALE_COLLATE
2279 EXT U32 collation_ix; /* Collation generation index */
2280 EXT char * collation_name; /* Name of current collation */
2281 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2282 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2283 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2284 #endif /* USE_LOCALE_COLLATE */
2286 #ifdef USE_LOCALE_NUMERIC
2288 EXT char * numeric_name; /* Name of current numeric locale */
2289 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2290 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2292 #define SET_NUMERIC_STANDARD() \
2294 if (! numeric_standard) \
2295 perl_set_numeric_standard(); \
2298 #define SET_NUMERIC_LOCAL() \
2300 if (! numeric_local) \
2301 perl_set_numeric_local(); \
2304 #else /* !USE_LOCALE_NUMERIC */
2306 #define SET_NUMERIC_STANDARD() /**/
2307 #define SET_NUMERIC_LOCAL() /**/
2309 #endif /* !USE_LOCALE_NUMERIC */
2311 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2313 * Now we have __attribute__ out of the way
2316 #define printf PerlIO_stdoutf
2320 * nice_chunk and nice_chunk size need to be set
2321 * and queried under the protection of sv_mutex
2323 #define offer_nice_chunk(chunk, chunk_size) do { \
2324 MUTEX_LOCK(&sv_mutex); \
2325 if (!nice_chunk) { \
2326 nice_chunk = (char*)(chunk); \
2327 nice_chunk_size = (chunk_size); \
2329 MUTEX_UNLOCK(&sv_mutex); \
2332 #endif /* Include guard */