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 /* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
886 # define CONTEXT PERL_CONTEXT
889 typedef MEM_SIZE STRLEN;
891 typedef struct op OP;
892 typedef struct cop COP;
893 typedef struct unop UNOP;
894 typedef struct binop BINOP;
895 typedef struct listop LISTOP;
896 typedef struct logop LOGOP;
897 typedef struct condop CONDOP;
898 typedef struct pmop PMOP;
899 typedef struct svop SVOP;
900 typedef struct gvop GVOP;
901 typedef struct pvop PVOP;
902 typedef struct loop LOOP;
904 typedef struct Outrec Outrec;
905 typedef struct interpreter PerlInterpreter;
907 typedef struct ff FF; /* XXX not defined anywhere, should go? */
909 typedef struct sv SV;
910 typedef struct av AV;
911 typedef struct hv HV;
912 typedef struct cv CV;
913 typedef struct regexp REGEXP;
914 typedef struct gp GP;
915 typedef struct gv GV;
916 typedef struct io IO;
917 typedef struct context CONTEXT;
918 typedef struct block BLOCK;
920 typedef struct magic MAGIC;
921 typedef struct xrv XRV;
922 typedef struct xpv XPV;
923 typedef struct xpviv XPVIV;
924 typedef struct xpvuv XPVUV;
925 typedef struct xpvnv XPVNV;
926 typedef struct xpvmg XPVMG;
927 typedef struct xpvlv XPVLV;
928 typedef struct xpvav XPVAV;
929 typedef struct xpvhv XPVHV;
930 typedef struct xpvgv XPVGV;
931 typedef struct xpvcv XPVCV;
932 typedef struct xpvbm XPVBM;
933 typedef struct xpvfm XPVFM;
934 typedef struct xpvio XPVIO;
935 typedef struct mgvtbl MGVTBL;
936 typedef union any ANY;
940 typedef I32 (*filter_t) _((int, SV *, int));
941 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
942 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
943 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
956 # include "./plan9/plan9ish.h"
958 # include "unixish.h"
964 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
965 * which defines NSIG - which will stop inclusion of <signal.h>
966 * this results in many functions being undeclared which bothers C++
967 * May make sense to have threads after "*ish.h" anyway
972 # include "fakethr.h"
975 # include <win32thread.h>
977 # include <pthread.h>
978 typedef pthread_mutex_t perl_mutex;
979 typedef pthread_cond_t perl_cond;
980 typedef pthread_key_t perl_key;
982 # endif /* FAKE_THREADS */
983 #endif /* USE_THREADS */
988 # define STATUS_NATIVE statusvalue_vms
989 # define STATUS_NATIVE_EXPORT \
990 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
991 # define STATUS_NATIVE_SET(n) \
993 statusvalue_vms = (n); \
994 if ((I32)statusvalue_vms == -1) \
996 else if (statusvalue_vms & STS$M_SUCCESS) \
998 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
999 statusvalue = 1 << 8; \
1001 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
1003 # define STATUS_POSIX statusvalue
1004 # ifdef VMSISH_STATUS
1005 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1007 # define STATUS_CURRENT STATUS_POSIX
1009 # define STATUS_POSIX_SET(n) \
1011 statusvalue = (n); \
1012 if (statusvalue != -1) { \
1013 statusvalue &= 0xFFFF; \
1014 statusvalue_vms = statusvalue ? 44 : 1; \
1016 else statusvalue_vms = -1; \
1018 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1019 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1021 # define STATUS_NATIVE STATUS_POSIX
1022 # define STATUS_NATIVE_EXPORT STATUS_POSIX
1023 # define STATUS_NATIVE_SET STATUS_POSIX_SET
1024 # define STATUS_POSIX statusvalue
1025 # define STATUS_POSIX_SET(n) \
1027 statusvalue = (n); \
1028 if (statusvalue != -1) \
1029 statusvalue &= 0xFFFF; \
1031 # define STATUS_CURRENT STATUS_POSIX
1032 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1033 # define STATUS_ALL_FAILURE (statusvalue = 1)
1036 /* Some unistd.h's give a prototype for pause() even though
1037 HAS_PAUSE ends up undefined. This causes the #define
1038 below to be rejected by the compmiler. Sigh.
1043 #define Pause() sleep((32767<<16)+32767)
1047 # ifdef IOCPARM_MASK
1048 /* on BSDish systes we're safe */
1049 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1051 /* otherwise guess at what's safe */
1052 # define IOCPARM_LEN(x) 256
1061 void (*any_dptr) _((void*));
1065 #define ARGSproto struct thread *thr
1067 #define ARGSproto void
1068 #endif /* USE_THREADS */
1070 /* Work around some cygwin32 problems with importing global symbols */
1071 #if defined(CYGWIN32) && defined(DLLIMPORT)
1072 # include "cw32imp.h"
1089 /* work around some libPW problems */
1094 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1098 #if defined(htonl) && !defined(HAS_HTONL)
1101 #if defined(htons) && !defined(HAS_HTONS)
1104 #if defined(ntohl) && !defined(HAS_NTOHL)
1107 #if defined(ntohs) && !defined(HAS_NTOHS)
1111 #if (BYTEORDER & 0xffff) != 0x4321
1117 #define htons my_swap
1118 #define htonl my_htonl
1119 #define ntohs my_swap
1120 #define ntohl my_ntohl
1123 #if (BYTEORDER & 0xffff) == 0x4321
1132 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1135 #if BYTEORDER != 0x1234
1140 # if BYTEORDER == 0x4321
1141 # define vtohl(x) ((((x)&0xFF)<<24) \
1143 +(((x)&0x0000FF00)<<8) \
1144 +(((x)&0x00FF0000)>>8) )
1145 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1146 # define htovl(x) vtohl(x)
1147 # define htovs(x) vtohs(x)
1149 /* otherwise default to functions in util.c */
1153 #define U_S(what) ((U16)(what))
1154 #define U_I(what) ((unsigned int)(what))
1155 #define U_L(what) ((U32)(what))
1157 EXTERN_C U32 cast_ulong _((double));
1158 #define U_S(what) ((U16)cast_ulong((double)(what)))
1159 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1160 #define U_L(what) (cast_ulong((double)(what)))
1164 #define I_32(what) ((I32)(what))
1165 #define I_V(what) ((IV)(what))
1166 #define U_V(what) ((UV)(what))
1169 I32 cast_i32 _((double));
1170 IV cast_iv _((double));
1171 UV cast_uv _((double));
1173 #define I_32(what) (cast_i32((double)(what)))
1174 #define I_V(what) (cast_iv((double)(what)))
1175 #define U_V(what) (cast_uv((double)(what)))
1189 # define TMPPATH "/tmp/perl-eXXXXXX"
1193 Uid_t getuid _((void));
1194 Uid_t geteuid _((void));
1195 Gid_t getgid _((void));
1196 Gid_t getegid _((void));
1200 #ifndef Perl_debug_log
1201 #define Perl_debug_log PerlIO_stderr()
1205 #define DEBUG(a) if (debug) a
1206 #define DEBUG_p(a) if (debug & 1) a
1207 #define DEBUG_s(a) if (debug & 2) a
1208 #define DEBUG_l(a) if (debug & 4) a
1209 #define DEBUG_t(a) if (debug & 8) a
1210 #define DEBUG_o(a) if (debug & 16) a
1211 #define DEBUG_c(a) if (debug & 32) a
1212 #define DEBUG_P(a) if (debug & 64) a
1213 #define DEBUG_m(a) if (curinterp && debug & 128) a
1214 #define DEBUG_f(a) if (debug & 256) a
1215 #define DEBUG_r(a) if (debug & 512) a
1216 #define DEBUG_x(a) if (debug & 1024) a
1217 #define DEBUG_u(a) if (debug & 2048) a
1218 #define DEBUG_L(a) if (debug & 4096) a
1219 #define DEBUG_H(a) if (debug & 8192) a
1220 #define DEBUG_X(a) if (debug & 16384) a
1221 #define DEBUG_D(a) if (debug & 32768) a
1242 #define YYMAXDEPTH 300
1244 #ifndef assert /* <assert.h> might have been included somehow */
1245 #define assert(what) DEB( { \
1247 croak("Assertion failed: file \"%s\", line %d", \
1248 __FILE__, __LINE__); \
1254 I32 (*uf_val)_((IV, SV*));
1255 I32 (*uf_set)_((IV, SV*));
1259 /* Fix these up for __STDC__ */
1260 #ifndef DONT_DECLARE_STD
1261 char *mktemp _((char*));
1262 double atof _((const char*));
1266 /* All of these are in stdlib.h or time.h for ANSI C */
1268 struct tm *gmtime(), *localtime();
1269 char *strchr(), *strrchr();
1270 char *strcpy(), *strcat();
1271 #endif /* ! STANDARD_C */
1278 double exp _((double));
1279 double log _((double));
1280 double log10 _((double));
1281 double sqrt _((double));
1282 double frexp _((double,int*));
1283 double ldexp _((double,int));
1284 double modf _((double,double*));
1285 double sin _((double));
1286 double cos _((double));
1287 double atan2 _((double,double));
1288 double pow _((double,double));
1293 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1294 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1296 char *crypt _((const char*, const char*));
1298 #ifndef DONT_DECLARE_STD
1300 char *getenv _((const char*));
1302 Off_t lseek _((int,Off_t,int));
1304 char *getlogin _((void));
1307 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1308 #define UNLINK unlnk
1309 I32 unlnk _((char*));
1311 #define UNLINK unlink
1314 #ifndef HAS_SETREUID
1315 # ifdef HAS_SETRESUID
1316 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1317 # define HAS_SETREUID
1320 #ifndef HAS_SETREGID
1321 # ifdef HAS_SETRESGID
1322 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1323 # define HAS_SETREGID
1327 typedef Signal_t (*Sighandler_t) _((int));
1329 #ifdef HAS_SIGACTION
1330 typedef struct sigaction Sigsave_t;
1332 typedef Sighandler_t Sigsave_t;
1343 # define PAD_SV(po) pad_sv(po)
1344 # define RUNOPS_DEFAULT runops_debug
1346 # define PAD_SV(po) curpad[po]
1347 # define RUNOPS_DEFAULT runops_standard
1351 * These need prototyping here because <proto.h> isn't
1352 * included until after runops is initialised.
1355 int runops_standard _((void));
1357 int runops_debug _((void));
1360 #define PER_THREAD_MAGICALS "123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1367 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1369 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1370 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1371 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1372 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1373 EXT perl_cond eval_cond; /* Condition variable for doeval */
1374 EXT struct thread * eval_owner; /* Owner thread for doeval */
1375 EXT int nthreads; /* Number of threads currently */
1376 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1377 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1378 EXT char * per_thread_magicals INIT(PER_THREAD_MAGICALS);
1380 EXT struct thread * thr; /* Currently executing (fake) thread */
1382 #endif /* USE_THREADS */
1384 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1385 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1386 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun))
1387 extern char ** environ; /* environment variables supplied via exec */
1390 # if defined(NeXT) && defined(__DYNAMIC__)
1392 # include <mach-o/dyld.h>
1393 EXT char *** environ_pointer;
1394 # define environ (*environ_pointer)
1396 #endif /* environ processing */
1398 EXT int uid; /* current real user id */
1399 EXT int euid; /* current effective user id */
1400 EXT int gid; /* current real group id */
1401 EXT int egid; /* current effective group id */
1402 EXT bool nomemok; /* let malloc context handle nomem */
1403 EXT U32 an; /* malloc sequence number */
1404 EXT U32 cop_seqmax; /* statement sequence number */
1405 EXT U16 op_seqmax; /* op sequence number */
1406 EXT U32 evalseq; /* eval sequence number */
1407 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1408 EXT char ** origenviron;
1410 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1411 EXT U32 * profiledata;
1412 EXT int maxo INIT(MAXO);/* Number of ops */
1413 EXT char * osname; /* operating system */
1414 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1415 EXT Sighandler_t sighandlerp;
1417 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1418 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1419 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1420 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1421 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1422 EXT HE * he_root; /* free he list--shared by interpreters */
1423 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1424 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1426 /* Stack for currently executing thread--context switch must handle this. */
1427 EXT SV ** stack_base; /* stack->array_ary */
1428 EXT SV ** stack_sp; /* stack pointer now */
1429 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1431 /* likewise for these */
1433 #ifdef OP_IN_REGISTER
1434 EXT OP * opsave; /* save current op register across longjmps */
1436 EXT OP * op; /* current op--when not in a global register */
1438 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1439 EXT I32 * scopestack; /* blocks we've entered */
1440 EXT I32 scopestack_ix;
1441 EXT I32 scopestack_max;
1443 EXT ANY* savestack; /* to save non-local values on */
1444 EXT I32 savestack_ix;
1445 EXT I32 savestack_max;
1447 EXT OP ** retstack; /* returns we've pushed */
1448 EXT I32 retstack_ix;
1449 EXT I32 retstack_max;
1451 EXT I32 * markstack; /* stackmarks we're remembering */
1452 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1453 EXT I32 * markstack_max; /* stackmarks we're remembering */
1460 EXT char tokenbuf[256];
1461 EXT struct stat statbuf;
1463 EXT struct tms timesbuf;
1465 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1467 /* for tmp use in stupid debuggers */
1472 /* handy constants */
1473 EXTCONST char * Yes INIT("1");
1474 EXTCONST char * No INIT("");
1475 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1476 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1477 EXTCONST char * vert INIT("|");
1479 EXTCONST char warn_uninit[]
1480 INIT("Use of uninitialized value");
1481 EXTCONST char warn_nosemi[]
1482 INIT("Semicolon seems to be missing");
1483 EXTCONST char warn_reserved[]
1484 INIT("Unquoted string \"%s\" may clash with future reserved word");
1485 EXTCONST char warn_nl[]
1486 INIT("Unsuccessful %s on filename containing newline");
1487 EXTCONST char no_wrongref[]
1488 INIT("Can't use %s ref as %s ref");
1489 EXTCONST char no_symref[]
1490 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1491 EXTCONST char no_usym[]
1492 INIT("Can't use an undefined value as %s reference");
1493 EXTCONST char no_aelem[]
1494 INIT("Modification of non-creatable array value attempted, subscript %d");
1495 EXTCONST char no_helem[]
1496 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1497 EXTCONST char no_modify[]
1498 INIT("Modification of a read-only value attempted");
1499 EXTCONST char no_mem[]
1500 INIT("Out of memory!\n");
1501 EXTCONST char no_security[]
1502 INIT("Insecure dependency in %s%s");
1503 EXTCONST char no_sock_func[]
1504 INIT("Unsupported socket function \"%s\" called");
1505 EXTCONST char no_dir_func[]
1506 INIT("Unsupported directory function \"%s\" called");
1507 EXTCONST char no_func[]
1508 INIT("The %s function is unimplemented");
1509 EXTCONST char no_myglob[]
1510 INIT("\"my\" variable %s can't be in a package");
1516 EXT char * cshname INIT(CSH);
1521 EXT char *sig_name[] = { SIG_NAME };
1522 EXT int sig_num[] = { SIG_NUM };
1523 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1524 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1526 EXT char *sig_name[];
1528 EXT SV * psig_ptr[];
1529 EXT SV * psig_name[];
1532 /* fast case folding tables */
1535 EXTCONST unsigned char fold[] = {
1536 0, 1, 2, 3, 4, 5, 6, 7,
1537 8, 9, 10, 11, 12, 13, 14, 15,
1538 16, 17, 18, 19, 20, 21, 22, 23,
1539 24, 25, 26, 27, 28, 29, 30, 31,
1540 32, 33, 34, 35, 36, 37, 38, 39,
1541 40, 41, 42, 43, 44, 45, 46, 47,
1542 48, 49, 50, 51, 52, 53, 54, 55,
1543 56, 57, 58, 59, 60, 61, 62, 63,
1544 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1545 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1546 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1547 'x', 'y', 'z', 91, 92, 93, 94, 95,
1548 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1549 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1550 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1551 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1552 128, 129, 130, 131, 132, 133, 134, 135,
1553 136, 137, 138, 139, 140, 141, 142, 143,
1554 144, 145, 146, 147, 148, 149, 150, 151,
1555 152, 153, 154, 155, 156, 157, 158, 159,
1556 160, 161, 162, 163, 164, 165, 166, 167,
1557 168, 169, 170, 171, 172, 173, 174, 175,
1558 176, 177, 178, 179, 180, 181, 182, 183,
1559 184, 185, 186, 187, 188, 189, 190, 191,
1560 192, 193, 194, 195, 196, 197, 198, 199,
1561 200, 201, 202, 203, 204, 205, 206, 207,
1562 208, 209, 210, 211, 212, 213, 214, 215,
1563 216, 217, 218, 219, 220, 221, 222, 223,
1564 224, 225, 226, 227, 228, 229, 230, 231,
1565 232, 233, 234, 235, 236, 237, 238, 239,
1566 240, 241, 242, 243, 244, 245, 246, 247,
1567 248, 249, 250, 251, 252, 253, 254, 255
1570 EXTCONST unsigned char fold[];
1574 EXT unsigned char fold_locale[] = {
1575 0, 1, 2, 3, 4, 5, 6, 7,
1576 8, 9, 10, 11, 12, 13, 14, 15,
1577 16, 17, 18, 19, 20, 21, 22, 23,
1578 24, 25, 26, 27, 28, 29, 30, 31,
1579 32, 33, 34, 35, 36, 37, 38, 39,
1580 40, 41, 42, 43, 44, 45, 46, 47,
1581 48, 49, 50, 51, 52, 53, 54, 55,
1582 56, 57, 58, 59, 60, 61, 62, 63,
1583 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1584 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1585 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1586 'x', 'y', 'z', 91, 92, 93, 94, 95,
1587 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1588 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1589 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1590 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1591 128, 129, 130, 131, 132, 133, 134, 135,
1592 136, 137, 138, 139, 140, 141, 142, 143,
1593 144, 145, 146, 147, 148, 149, 150, 151,
1594 152, 153, 154, 155, 156, 157, 158, 159,
1595 160, 161, 162, 163, 164, 165, 166, 167,
1596 168, 169, 170, 171, 172, 173, 174, 175,
1597 176, 177, 178, 179, 180, 181, 182, 183,
1598 184, 185, 186, 187, 188, 189, 190, 191,
1599 192, 193, 194, 195, 196, 197, 198, 199,
1600 200, 201, 202, 203, 204, 205, 206, 207,
1601 208, 209, 210, 211, 212, 213, 214, 215,
1602 216, 217, 218, 219, 220, 221, 222, 223,
1603 224, 225, 226, 227, 228, 229, 230, 231,
1604 232, 233, 234, 235, 236, 237, 238, 239,
1605 240, 241, 242, 243, 244, 245, 246, 247,
1606 248, 249, 250, 251, 252, 253, 254, 255
1609 EXT unsigned char fold_locale[];
1613 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1614 1, 2, 84, 151, 154, 155, 156, 157,
1615 165, 246, 250, 3, 158, 7, 18, 29,
1616 40, 51, 62, 73, 85, 96, 107, 118,
1617 129, 140, 147, 148, 149, 150, 152, 153,
1618 255, 182, 224, 205, 174, 176, 180, 217,
1619 233, 232, 236, 187, 235, 228, 234, 226,
1620 222, 219, 211, 195, 188, 193, 185, 184,
1621 191, 183, 201, 229, 181, 220, 194, 162,
1622 163, 208, 186, 202, 200, 218, 198, 179,
1623 178, 214, 166, 170, 207, 199, 209, 206,
1624 204, 160, 212, 216, 215, 192, 175, 173,
1625 243, 172, 161, 190, 203, 189, 164, 230,
1626 167, 248, 227, 244, 242, 255, 241, 231,
1627 240, 253, 169, 210, 245, 237, 249, 247,
1628 239, 168, 252, 251, 254, 238, 223, 221,
1629 213, 225, 177, 197, 171, 196, 159, 4,
1630 5, 6, 8, 9, 10, 11, 12, 13,
1631 14, 15, 16, 17, 19, 20, 21, 22,
1632 23, 24, 25, 26, 27, 28, 30, 31,
1633 32, 33, 34, 35, 36, 37, 38, 39,
1634 41, 42, 43, 44, 45, 46, 47, 48,
1635 49, 50, 52, 53, 54, 55, 56, 57,
1636 58, 59, 60, 61, 63, 64, 65, 66,
1637 67, 68, 69, 70, 71, 72, 74, 75,
1638 76, 77, 78, 79, 80, 81, 82, 83,
1639 86, 87, 88, 89, 90, 91, 92, 93,
1640 94, 95, 97, 98, 99, 100, 101, 102,
1641 103, 104, 105, 106, 108, 109, 110, 111,
1642 112, 113, 114, 115, 116, 117, 119, 120,
1643 121, 122, 123, 124, 125, 126, 127, 128,
1644 130, 131, 132, 133, 134, 135, 136, 137,
1645 138, 139, 141, 142, 143, 144, 145, 146
1648 EXTCONST unsigned char freq[];
1653 EXTCONST char* block_type[] = {
1662 EXTCONST char* block_type[];
1666 /*****************************************************************************/
1667 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1668 /*****************************************************************************/
1669 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1673 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1684 EXT U32 lex_state; /* next token is determined */
1685 EXT U32 lex_defer; /* state after determined token */
1686 EXT expectation lex_expect; /* expect after determined token */
1687 EXT I32 lex_brackets; /* bracket count */
1688 EXT I32 lex_formbrack; /* bracket count at outer format level */
1689 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1690 EXT I32 lex_casemods; /* casemod count */
1691 EXT I32 lex_dojoin; /* doing an array interpolation */
1692 EXT I32 lex_starts; /* how many interps done on level */
1693 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1694 EXT SV * lex_repl; /* runtime replacement from s/// */
1695 EXT OP * lex_op; /* extra info to pass back on op */
1696 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1697 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1698 EXT char * lex_brackstack; /* what kind of brackets to pop */
1699 EXT char * lex_casestack; /* what kind of case mods in effect */
1701 /* What we know when we're in LEX_KNOWNEXT state. */
1702 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1703 EXT I32 nexttype[5]; /* type of next token */
1706 EXT PerlIO * VOL rsfp INIT(Nullfp);
1709 EXT char * oldbufptr;
1710 EXT char * oldoldbufptr;
1712 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1713 EXT AV * rsfp_filters;
1715 EXT I32 multi_start; /* 1st line of multi-line string */
1716 EXT I32 multi_end; /* last line of multi-line string */
1717 EXT I32 multi_open; /* delimiter of said string */
1718 EXT I32 multi_close; /* delimiter of said string */
1721 EXT I32 error_count; /* how many errors so far, max 10 */
1722 EXT I32 subline; /* line this subroutine began on */
1723 EXT SV * subname; /* name of current subroutine */
1725 EXT CV * compcv; /* currently compiling subroutine */
1726 EXT AV * comppad; /* storage for lexically scoped temporaries */
1727 EXT AV * comppad_name; /* variable names for "my" variables */
1728 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1729 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1730 EXT I32 min_intro_pending;/* start of vars to introduce */
1731 EXT I32 max_intro_pending;/* end of vars to introduce */
1732 EXT I32 padix; /* max used index in current "register" pad */
1733 EXT I32 padix_floor; /* how low may inner block reset padix */
1734 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1737 EXT I32 thisexpr; /* name id for nothing_in_common() */
1738 EXT char * last_uni; /* position of last named-unary operator */
1739 EXT char * last_lop; /* position of last list operator */
1740 EXT OPCODE last_lop_op; /* last list operator */
1741 EXT bool in_my; /* we're compiling a "my" declaration */
1742 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1744 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1747 EXT U32 hints; /* various compilation flags */
1749 /* Note: the lowest 8 bits are reserved for
1750 stuffing into op->op_private */
1751 #define HINT_INTEGER 0x00000001
1752 #define HINT_STRICT_REFS 0x00000002
1754 #define HINT_BLOCK_SCOPE 0x00000100
1755 #define HINT_STRICT_SUBS 0x00000200
1756 #define HINT_STRICT_VARS 0x00000400
1757 #define HINT_LOCALE 0x00000800
1759 /**************************************************************************/
1760 /* This regexp stuff is global since it always happens within 1 expr eval */
1761 /**************************************************************************/
1763 EXT char * regprecomp; /* uncompiled string. */
1764 EXT char * regparse; /* Input-scan pointer. */
1765 EXT char * regxend; /* End of input for compile */
1766 EXT I32 regnpar; /* () count. */
1767 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1768 EXT I32 regsize; /* Code size. */
1769 EXT I32 regnaughty; /* How bad is this pattern? */
1770 EXT I32 regsawback; /* Did we see \1, ...? */
1772 EXT char * reginput; /* String-input pointer. */
1773 EXT char * regbol; /* Beginning of input, for ^ check. */
1774 EXT char * regeol; /* End of input, for $ check. */
1775 EXT char ** regstartp; /* Pointer to startp array. */
1776 EXT char ** regendp; /* Ditto for endp. */
1777 EXT U32 * reglastparen; /* Similarly for lastparen. */
1778 EXT char * regtill; /* How far we are required to go. */
1779 EXT U16 regflags; /* are we folding, multilining? */
1780 EXT char regprev; /* char before regbol, \n if none */
1782 EXT bool do_undump; /* -u or dump seen? */
1785 /***********************************************/
1786 /* Global only to current interpreter instance */
1787 /***********************************************/
1792 struct interpreter {
1795 #define IINIT(x) INIT(x)
1798 /* pseudo environmental stuff */
1800 IEXT char ** Iorigargv;
1804 IEXT char * Iorigfilename;
1806 IEXT SV * Iwarnhook;
1807 IEXT SV * Iparsehook;
1809 /* Various states of an input record separator SV (rs, nrs) */
1810 #define RsSNARF(sv) (! SvOK(sv))
1811 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1812 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1817 IEXT char Ipatchlevel[10];
1818 IEXT char ** Ilocalpatches;
1820 IEXT char * Isplitstr IINIT(" ");
1821 IEXT bool Ipreprocess;
1827 IEXT bool Idoswitches;
1829 IEXT bool Idoextract;
1830 IEXT bool Isawampersand; /* must save all match strings */
1831 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1834 IEXT char * Iinplace;
1835 IEXT char * Ie_tmpname;
1836 IEXT PerlIO * Ie_fp;
1838 /* This value may be raised by extensions for testing purposes */
1839 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1841 /* magical thingies */
1842 IEXT Time_t Ibasetime; /* $^T */
1843 IEXT SV * Iformfeed; /* $^L */
1844 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1845 IEXT SV * Irs; /* $/ */
1846 IEXT char * Iofs; /* $, */
1847 IEXT STRLEN Iofslen;
1848 IEXT char * Iors; /* $\ */
1849 IEXT STRLEN Iorslen;
1850 IEXT char * Iofmt; /* $# */
1851 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1852 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1853 IEXT I32 Istatusvalue; /* $? */
1855 IEXT U32 Istatusvalue_vms;
1858 IEXT struct stat Istatcache; /* _ */
1860 IEXT SV * Istatname IINIT(Nullsv);
1862 /* shortcuts to various I/O objects */
1864 IEXT GV * Ilast_in_gv;
1867 IEXT GV * Idefoutgv;
1868 IEXT GV * Iargvoutgv;
1870 /* shortcuts to regexp stuff */
1874 IEXT PMOP * Icurpm; /* what to do \ interps from */
1875 IEXT I32 * Iscreamfirst;
1876 IEXT I32 * Iscreamnext;
1877 IEXT I32 Imaxscream IINIT(-1);
1878 IEXT SV * Ilastscream;
1880 /* shortcuts to misc objects */
1883 /* shortcuts to debugging objects */
1887 IEXT SV * IDBsingle;
1889 IEXT SV * IDBsignal;
1890 IEXT AV * Ilineary; /* lines of script for debugger */
1891 IEXT AV * Idbargs; /* args to call listed by caller function */
1894 IEXT HV * Idefstash; /* main symbol table */
1895 IEXT HV * Icurstash; /* symbol table for current package */
1896 IEXT HV * Idebstash; /* symbol table for perldb package */
1897 IEXT HV * Iglobalstash; /* global keyword overrides imported here */
1898 IEXT SV * Icurstname; /* name of current package */
1899 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1900 IEXT AV * Iendav; /* names of END subroutines */
1901 IEXT AV * Iinitav; /* names of INIT subroutines */
1902 IEXT HV * Istrtab; /* shared string table */
1904 /* memory management */
1905 IEXT SV ** Itmps_stack;
1906 IEXT I32 Itmps_ix IINIT(-1);
1907 IEXT I32 Itmps_floor IINIT(-1);
1909 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1910 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1911 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1912 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1914 /* funky return mechanisms */
1915 IEXT I32 Ilastspbase;
1917 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1919 /* subprocess state */
1920 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1922 /* internal state */
1923 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1924 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1925 IEXT int Idelaymagic; /* ($<,$>) = ... */
1926 IEXT bool Idirty; /* In the middle of tearing things down? */
1927 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1928 IEXT bool Itainted; /* using variables controlled by $< */
1929 IEXT bool Itainting; /* doing taint checks */
1930 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1934 IEXT I32 Idlmax IINIT(128);
1935 IEXT char * Idebname;
1936 IEXT char * Idebdelim;
1938 /* current interpreter roots */
1940 IEXT OP * Imain_root;
1941 IEXT OP * Imain_start;
1942 IEXT OP * Ieval_root;
1943 IEXT OP * Ieval_start;
1945 /* runtime control stuff */
1946 IEXT COP * VOL Icurcop IINIT(&compiling);
1947 IEXT COP * Icurcopdb IINIT(NULL);
1948 IEXT line_t Icopline IINIT(NOLINE);
1949 IEXT CONTEXT * Icxstack;
1950 IEXT I32 Icxstack_ix IINIT(-1);
1951 IEXT I32 Icxstack_max IINIT(128);
1952 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1953 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1956 IEXT AV * Icurstack; /* THE STACK */
1957 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1959 /* format accumulators */
1960 IEXT SV * Iformtarget;
1961 IEXT SV * Ibodytarget;
1962 IEXT SV * Itoptarget;
1964 /* statics moved here for shared library purposes */
1965 IEXT SV Istrchop; /* return value from chop */
1966 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1967 IEXT int Ilastfd; /* what to preserve mode on */
1968 IEXT char * Ioldname; /* what to preserve mode on */
1969 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1970 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1971 IEXT OP * Isortcop; /* user defined sort routine */
1972 IEXT HV * Isortstash; /* which is in some package or other */
1973 IEXT GV * Ifirstgv; /* $a */
1974 IEXT GV * Isecondgv; /* $b */
1975 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1976 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1977 IEXT SV * Imystrk; /* temp key string for do_each() */
1978 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1979 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1980 IEXT I32 Igensym; /* next symbol for getsym() to define */
1981 IEXT bool Ipreambled;
1982 IEXT AV * Ipreambleav;
1983 IEXT int Ilaststatval IINIT(-1);
1984 IEXT I32 Ilaststype IINIT(OP_STAT);
1989 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1990 #endif /* USE_THREADS */
1998 struct interpreter {
2010 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
2011 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
2013 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
2014 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2019 /* The following must follow proto.h */
2023 EXT MGVTBL vtbl_sv = {magic_get,
2027 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2028 0, magic_clear_all_env,
2030 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2033 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2034 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2038 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2040 EXT MGVTBL vtbl_packelem = {magic_getpack,
2044 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2046 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2049 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2051 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2054 EXT MGVTBL vtbl_glob = {magic_getglob,
2057 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2059 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2061 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2063 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2065 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2067 EXT MGVTBL vtbl_pos = {magic_getpos,
2070 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2072 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2074 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2078 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2079 #endif /* USE_THREADS */
2080 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2081 0, 0, magic_freedefelem};
2083 #ifdef USE_LOCALE_COLLATE
2084 EXT MGVTBL vtbl_collxfrm = {0,
2090 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2091 0, 0, magic_setamagic};
2092 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2093 0, 0, magic_setamagic};
2094 #endif /* OVERLOAD */
2099 EXT MGVTBL vtbl_env;
2100 EXT MGVTBL vtbl_envelem;
2101 EXT MGVTBL vtbl_sig;
2102 EXT MGVTBL vtbl_sigelem;
2103 EXT MGVTBL vtbl_pack;
2104 EXT MGVTBL vtbl_packelem;
2105 EXT MGVTBL vtbl_dbline;
2106 EXT MGVTBL vtbl_isa;
2107 EXT MGVTBL vtbl_isaelem;
2108 EXT MGVTBL vtbl_arylen;
2109 EXT MGVTBL vtbl_glob;
2110 EXT MGVTBL vtbl_mglob;
2111 EXT MGVTBL vtbl_nkeys;
2112 EXT MGVTBL vtbl_taint;
2113 EXT MGVTBL vtbl_substr;
2114 EXT MGVTBL vtbl_vec;
2115 EXT MGVTBL vtbl_pos;
2118 EXT MGVTBL vtbl_uvar;
2121 EXT MGVTBL vtbl_mutex;
2122 #endif /* USE_THREADS */
2124 EXT MGVTBL vtbl_defelem;
2126 #ifdef USE_LOCALE_COLLATE
2127 EXT MGVTBL vtbl_collxfrm;
2131 EXT MGVTBL vtbl_amagic;
2132 EXT MGVTBL vtbl_amagicelem;
2133 #endif /* OVERLOAD */
2135 #endif /* !DOINIT */
2139 EXT long amagic_generation;
2141 #define NofAMmeth 58
2143 EXTCONST char * AMG_names[NofAMmeth] = {
2144 "fallback", "abs", /* "fallback" should be the first. */
2175 EXTCONST char * AMG_names[NofAMmeth];
2176 #endif /* def INITAMAGIC */
2182 CV* table[NofAMmeth];
2185 struct am_table_short {
2190 typedef struct am_table AMT;
2191 typedef struct am_table_short AMTS;
2193 #define AMGfallNEVER 1
2195 #define AMGfallYES 3
2197 #define AMTf_AMAGIC 1
2198 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2199 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2200 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2203 fallback_amg, abs_amg,
2204 bool__amg, nomethod_amg,
2205 string_amg, numer_amg,
2206 add_amg, add_ass_amg,
2207 subtr_amg, subtr_ass_amg,
2208 mult_amg, mult_ass_amg,
2209 div_amg, div_ass_amg,
2210 mod_amg, mod_ass_amg,
2211 pow_amg, pow_ass_amg,
2212 lshift_amg, lshift_ass_amg,
2213 rshift_amg, rshift_ass_amg,
2214 band_amg, band_ass_amg,
2215 bor_amg, bor_ass_amg,
2216 bxor_amg, bxor_ass_amg,
2229 repeat_amg, repeat_ass_amg,
2230 concat_amg, concat_ass_amg,
2235 * some compilers like to redefine cos et alia as faster
2236 * (and less accurate?) versions called F_cos et cetera (Quidquid
2237 * latine dictum sit, altum viditur.) This trick collides with
2238 * the Perl overloading (amg). The following #defines fool both.
2243 # define F_atan2_amg atan2_amg
2246 # define F_cos_amg cos_amg
2249 # define F_exp_amg exp_amg
2252 # define F_log_amg log_amg
2255 # define F_pow_amg pow_amg
2258 # define F_sin_amg sin_amg
2261 # define F_sqrt_amg sqrt_amg
2263 #endif /* _FASTMATH */
2265 #endif /* OVERLOAD */
2267 #define PERLDB_ALL 0xff
2268 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2269 #define PERLDBf_LINE 0x02 /* Keep line #. */
2270 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2271 #define PERLDBf_INTER 0x08 /* Preserve more data for
2272 later inspections. */
2273 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2274 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2276 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2277 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2278 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2279 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2280 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2281 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2283 #ifdef USE_LOCALE_COLLATE
2284 EXT U32 collation_ix; /* Collation generation index */
2285 EXT char * collation_name; /* Name of current collation */
2286 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2287 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2288 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2289 #endif /* USE_LOCALE_COLLATE */
2291 #ifdef USE_LOCALE_NUMERIC
2293 EXT char * numeric_name; /* Name of current numeric locale */
2294 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2295 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2297 #define SET_NUMERIC_STANDARD() \
2299 if (! numeric_standard) \
2300 perl_set_numeric_standard(); \
2303 #define SET_NUMERIC_LOCAL() \
2305 if (! numeric_local) \
2306 perl_set_numeric_local(); \
2309 #else /* !USE_LOCALE_NUMERIC */
2311 #define SET_NUMERIC_STANDARD() /**/
2312 #define SET_NUMERIC_LOCAL() /**/
2314 #endif /* !USE_LOCALE_NUMERIC */
2316 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2318 * Now we have __attribute__ out of the way
2321 #define printf PerlIO_stdoutf
2325 * nice_chunk and nice_chunk size need to be set
2326 * and queried under the protection of sv_mutex
2328 #define offer_nice_chunk(chunk, chunk_size) do { \
2329 MUTEX_LOCK(&sv_mutex); \
2330 if (!nice_chunk) { \
2331 nice_chunk = (char*)(chunk); \
2332 nice_chunk_size = (chunk_size); \
2334 MUTEX_UNLOCK(&sv_mutex); \
2337 #endif /* Include guard */