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 */
36 # define START_EXTERN_C extern "C" {
37 # define END_EXTERN_C }
38 # define EXTERN_C extern "C"
40 # define START_EXTERN_C
45 #if defined(USE_THREADS) /* && !defined(PERL_CORE) && !defined(PERLDLL) */
53 # define stringify_immed(s) #s
54 # define stringify(s) stringify_immed(s)
55 register struct op *op asm(stringify(OP_IN_REGISTER));
60 * STMT_START { statements; } STMT_END;
61 * can be used as a single statement, as in
62 * if (x) STMT_START { ... } STMT_END; else ...
64 * Trying to select a version that gives no warnings...
66 #if !(defined(STMT_START) && defined(STMT_END))
67 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
68 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
71 /* Now which other defined()s do we need here ??? */
72 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
73 # define STMT_START if (1)
74 # define STMT_END else (void)0
76 # define STMT_START do
77 # define STMT_END while (0)
84 #define WITH_THR(s) do { dTHR; s; } while (0)
87 * SOFT_CAST can be used for args to prototyped functions to retain some
88 * type checking; it only casts if the compiler does not know prototypes.
90 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
91 #define SOFT_CAST(type)
93 #define SOFT_CAST(type) (type)
97 # define BYTEORDER 0x1234
100 /* Overall memory policy? */
106 * The following contortions are brought to you on behalf of all the
107 * standards, semi-standards, de facto standards, not-so-de-facto standards
108 * of the world, as well as all the other botches anyone ever thought of.
109 * The basic theory is that if we work hard enough here, the rest of the
110 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
113 /* define this once if either system, instead of cluttering up the src */
114 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
118 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
119 # define STANDARD_C 1
122 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi)
123 # define DONT_DECLARE_STD 1
126 #if defined(HASVOLATILE) || defined(STANDARD_C)
128 # define VOL // to temporarily suppress warnings
130 # define VOL volatile
136 #define TAINT (tainted = TRUE)
137 #define TAINT_NOT (tainted = FALSE)
138 #define TAINT_IF(c) if (c) { tainted = TRUE; }
139 #define TAINT_ENV() if (tainting) { taint_env(); }
140 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
142 /* XXX All process group stuff is handled in pp_sys.c. Should these
143 defines move there? If so, I could simplify this a lot. --AD 9/96.
145 /* Process group stuff changed from traditional BSD to POSIX.
146 perlfunc.pod documents the traditional BSD-style syntax, so we'll
147 try to preserve that, if possible.
150 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
152 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
153 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
155 # ifdef HAS_SETPGRP2 /* DG/UX */
156 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
160 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
161 # define HAS_SETPGRP /* Well, effectively it does . . . */
164 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
165 our life easier :-) so we'll try it.
168 # define BSD_GETPGRP(pid) getpgid((pid))
170 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
171 # define BSD_GETPGRP(pid) getpgrp((pid))
173 # ifdef HAS_GETPGRP2 /* DG/UX */
174 # define BSD_GETPGRP(pid) getpgrp2((pid))
178 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
179 # define HAS_GETPGRP /* Well, effectively it does . . . */
182 /* These are not exact synonyms, since setpgrp() and getpgrp() may
183 have different behaviors, but perl.h used to define USE_BSDPGRP
184 (prior to 5.003_05) so some extension might depend on it.
186 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
192 #ifndef _TYPES_ /* If types.h defines this it's easy. */
193 # ifndef major /* Does everyone's types.h define this? */
194 # include <sys/types.h>
208 # include <varargs.h>
214 #ifdef USE_NEXT_CTYPE
216 #if NX_CURRENT_COMPILER_RELEASE >= 400
217 #include <objc/NXCType.h>
218 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
219 #include <appkit/NXCType.h>
220 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
222 #else /* !USE_NEXT_CTYPE */
224 #endif /* USE_NEXT_CTYPE */
226 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
234 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
236 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
237 && defined(HAS_STRXFRM)
238 # define USE_LOCALE_COLLATE
240 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
241 # define USE_LOCALE_CTYPE
243 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
244 # define USE_LOCALE_NUMERIC
246 #endif /* !NO_LOCALE && HAS_SETLOCALE */
251 # ifdef PARAM_NEEDS_TYPES
252 # include <sys/types.h>
254 # include <sys/param.h>
258 /* Use all the "standard" definitions? */
259 #if defined(STANDARD_C) && defined(I_STDLIB)
263 /* This comes after <stdlib.h> so we don't try to change the standard
264 * library prototypes; we'll use our own in proto.h instead. */
269 # define malloc Mymalloc
270 # define calloc Mycalloc
271 # define realloc Myremalloc
274 # ifdef EMBEDMYMALLOC
275 # define malloc Perl_malloc
276 # define calloc Perl_calloc
277 # define realloc Perl_realloc
278 # define free Perl_free
285 # define safemalloc malloc
286 # define safecalloc calloc
287 # define saferealloc realloc
288 # define safefree free
290 #endif /* MYMALLOC */
292 #define MEM_SIZE Size_t
294 #if defined(STANDARD_C) && defined(I_STDDEF)
296 # define STRUCT_OFFSET(s,m) offsetof(s,m)
298 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
301 #if defined(I_STRING) || defined(__cplusplus)
304 # include <strings.h>
307 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
309 #define strrchr rindex
317 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
319 extern char * memcpy _((char*, char*, int));
325 # define memcpy(d,s,l) bcopy(s,d,l)
327 # define memcpy(d,s,l) my_bcopy(s,d,l)
330 #endif /* HAS_MEMCPY */
333 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
335 extern char *memset _((char*, int, int));
339 # define memset(d,c,l) my_memset(d,c,l)
340 #endif /* HAS_MEMSET */
342 #if !defined(HAS_MEMMOVE) && !defined(memmove)
343 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
344 # define memmove(d,s,l) bcopy(s,d,l)
346 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
347 # define memmove(d,s,l) memcpy(d,s,l)
349 # define memmove(d,s,l) my_bcopy(s,d,l)
354 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
358 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
359 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
361 extern int memcmp _((char*, char*, int));
365 # pragma function(memcmp)
369 # define memcmp my_memcmp
371 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
375 # define memzero(d,l) memset(d,0,l)
378 # define memzero(d,l) bzero(d,l)
380 # define memzero(d,l) my_bzero(d,l)
387 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
389 #endif /* !HAS_BCMP */
392 # include <netinet/in.h>
395 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
396 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
397 * (the neo-BSD seem to do this). */
402 # include <sys/stat.h>
405 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
406 like UTekV) are broken, sometimes giving false positives. Undefine
407 them here and let the code below set them to proper values.
409 The ghs macro stands for GreenHills Software C-1.8.5 which
410 is the C compiler for sysV88 and the various derivatives.
411 This header file bug is corrected in gcc-2.5.8 and later versions.
412 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
414 #if defined(uts) || (defined(m88k) && defined(ghs))
428 # ifdef I_SYS_TIME_KERNEL
431 # include <sys/time.h>
432 # ifdef I_SYS_TIME_KERNEL
437 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
438 # include <sys/times.h>
441 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
447 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
449 #endif /* !HAS_MKFIFO */
454 # include <net/errno.h>
459 # define SETERRNO(errcode,vmserrcode) \
461 set_errno(errcode); \
462 set_vaxc_errno(vmserrcode); \
465 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
469 # define ERRSV (thr->errsv)
470 # define ERRHV (thr->errhv)
471 # define DEFSV *av_fetch(thr->threadsv, find_threadsv("_"), FALSE)
472 # define SAVE_DEFSV save_threadsv(find_threadsv("_"))
474 # define ERRSV GvSV(errgv)
475 # define ERRHV GvHV(errgv)
476 # define DEFSV GvSV(defgv)
477 # define SAVE_DEFSV SAVESPTR(GvSV(defgv))
478 #endif /* USE_THREADS */
481 extern int errno; /* ANSI allows errno to be an lvalue expr */
486 char *strerror _((int,...));
488 #ifndef DONT_DECLARE_STD
489 char *strerror _((int));
493 # define Strerror strerror
496 # ifdef HAS_SYS_ERRLIST
498 extern char *sys_errlist[];
500 # define Strerror(e) \
501 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
508 # include <sys/ioctl.h>
512 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
513 # ifdef HAS_SOCKETPAIR
514 # undef HAS_SOCKETPAIR
529 /* Configure already sets Direntry_t */
530 #if defined(I_DIRENT)
532 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
533 # include <sys/dir.h>
537 # include <sys/ndir.h>
541 # include <ndir.h> /* may be wrong in the future */
543 # include <sys/dir.h>
550 /* work around botch in SunOS 4.0.1 and 4.0.2 */
552 # define fputs(sv,fp) fprintf(fp,"%s",sv)
557 * The following gobbledygook brought to you on behalf of __STDC__.
558 * (I could just use #ifndef __STDC__, but this is more bulletproof
559 * in the face of half-implementations.)
564 # define S_IFMT _S_IFMT
566 # define S_IFMT 0170000
571 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
575 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
580 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
582 # define S_ISBLK(m) (0)
587 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
592 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
594 # define S_ISFIFO(m) (0)
600 # define S_ISLNK(m) _S_ISLNK(m)
603 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
606 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
608 # define S_ISLNK(m) (0)
616 # define S_ISSOCK(m) _S_ISSOCK(m)
619 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
622 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
624 # define S_ISSOCK(m) (0)
632 # define S_IRUSR S_IREAD
633 # define S_IWUSR S_IWRITE
634 # define S_IXUSR S_IEXEC
636 # define S_IRUSR 0400
637 # define S_IWUSR 0200
638 # define S_IXUSR 0100
640 # define S_IRGRP (S_IRUSR>>3)
641 # define S_IWGRP (S_IWUSR>>3)
642 # define S_IXGRP (S_IXUSR>>3)
643 # define S_IROTH (S_IRUSR>>6)
644 # define S_IWOTH (S_IWUSR>>6)
645 # define S_IXOTH (S_IXUSR>>6)
649 # define S_ISUID 04000
653 # define S_ISGID 02000
660 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
661 # define SLOPPYDIVIDE
668 /* XXX QUAD stuff is not currently supported on most systems.
669 Specifically, perl internals don't support long long. Among
670 the many problems is that some compilers support long long,
671 but the underlying library functions (such as sprintf) don't.
672 Some things do work (such as quad pack/unpack on convex);
673 also some systems use long long for the fpos_t typedef. That
676 The IV type is supposed to be long enough to hold any integral
678 --Andy Dougherty August 1996
685 # define Quad_t long long
687 # if BYTEORDER > 0xFFFF
696 typedef unsigned Quad_t UV;
697 # define IV_MAX PERL_QUAD_MAX
698 # define IV_MIN PERL_QUAD_MIN
699 # define UV_MAX PERL_UQUAD_MAX
700 # define UV_MIN PERL_UQUAD_MIN
703 typedef unsigned long UV;
704 # define IV_MAX PERL_LONG_MAX
705 # define IV_MIN PERL_LONG_MIN
706 # define UV_MAX PERL_ULONG_MAX
707 # define UV_MIN PERL_ULONG_MIN
710 /* Previously these definitions used hardcoded figures.
711 * It is hoped these formula are more portable, although
712 * no data one way or another is presently known to me.
713 * The "PERL_" names are used because these calculated constants
714 * do not meet the ANSI requirements for LONG_MAX, etc., which
715 * need to be constants acceptable to #if - kja
716 * define PERL_LONG_MAX 2147483647L
717 * define PERL_LONG_MIN (-LONG_MAX - 1)
718 * define PERL ULONG_MAX 4294967295L
721 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
730 * Try to figure out max and min values for the integral types. THE CORRECT
731 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
732 * following hacks are used if neither limits.h or values.h provide them:
733 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
734 * for types < int: (unsigned TYPE)~(unsigned)0
735 * The argument to ~ must be unsigned so that later signed->unsigned
736 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
737 * and it must not be smaller than int because ~ does integral promotion.
738 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
739 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
740 * The latter is a hack which happens to work on some machines but
741 * does *not* catch any random system, or things like integer types
742 * with NaN if that is possible.
744 * All of the types are explicitly cast to prevent accidental loss of
745 * numeric range, and in the hope that they will be less likely to confuse
746 * over-eager optimizers.
750 #define PERL_UCHAR_MIN ((unsigned char)0)
753 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
756 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
758 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
763 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
764 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
765 * depending on local options. Until Configure detects this (or at least
766 * detects whether the "signed" keyword is available) the CHAR ranges
767 * will not be included. UCHAR functions normally.
771 #define PERL_USHORT_MIN ((unsigned short)0)
774 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
777 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
779 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
784 # define PERL_SHORT_MAX ((short)SHORT_MAX)
786 # ifdef MAXSHORT /* Often used in <values.h> */
787 # define PERL_SHORT_MAX ((short)MAXSHORT)
789 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
794 # define PERL_SHORT_MIN ((short)SHORT_MIN)
797 # define PERL_SHORT_MIN ((short)MINSHORT)
799 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
804 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
807 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
809 # define PERL_UINT_MAX (~(unsigned int)0)
813 #define PERL_UINT_MIN ((unsigned int)0)
816 # define PERL_INT_MAX ((int)INT_MAX)
818 # ifdef MAXINT /* Often used in <values.h> */
819 # define PERL_INT_MAX ((int)MAXINT)
821 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
826 # define PERL_INT_MIN ((int)INT_MIN)
829 # define PERL_INT_MIN ((int)MININT)
831 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
836 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
839 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
841 # define PERL_ULONG_MAX (~(unsigned long)0)
845 #define PERL_ULONG_MIN ((unsigned long)0L)
848 # define PERL_LONG_MAX ((long)LONG_MAX)
850 # ifdef MAXLONG /* Often used in <values.h> */
851 # define PERL_LONG_MAX ((long)MAXLONG)
853 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
858 # define PERL_LONG_MIN ((long)LONG_MIN)
861 # define PERL_LONG_MIN ((long)MINLONG)
863 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
870 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
872 # define PERL_UQUAD_MAX (~(UV)0)
875 # define PERL_UQUAD_MIN ((UV)0)
878 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
880 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
884 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
886 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
891 typedef MEM_SIZE STRLEN;
893 typedef struct op OP;
894 typedef struct cop COP;
895 typedef struct unop UNOP;
896 typedef struct binop BINOP;
897 typedef struct listop LISTOP;
898 typedef struct logop LOGOP;
899 typedef struct condop CONDOP;
900 typedef struct pmop PMOP;
901 typedef struct svop SVOP;
902 typedef struct gvop GVOP;
903 typedef struct pvop PVOP;
904 typedef struct loop LOOP;
906 typedef struct Outrec Outrec;
907 typedef struct interpreter PerlInterpreter;
909 typedef struct ff FF; /* XXX not defined anywhere, should go? */
911 typedef struct sv SV;
912 typedef struct av AV;
913 typedef struct hv HV;
914 typedef struct cv CV;
915 typedef struct regexp REGEXP;
916 typedef struct gp GP;
917 typedef struct gv GV;
918 typedef struct io IO;
919 typedef struct context PERL_CONTEXT;
920 typedef struct block BLOCK;
922 typedef struct magic MAGIC;
923 typedef struct xrv XRV;
924 typedef struct xpv XPV;
925 typedef struct xpviv XPVIV;
926 typedef struct xpvuv XPVUV;
927 typedef struct xpvnv XPVNV;
928 typedef struct xpvmg XPVMG;
929 typedef struct xpvlv XPVLV;
930 typedef struct xpvav XPVAV;
931 typedef struct xpvhv XPVHV;
932 typedef struct xpvgv XPVGV;
933 typedef struct xpvcv XPVCV;
934 typedef struct xpvbm XPVBM;
935 typedef struct xpvfm XPVFM;
936 typedef struct xpvio XPVIO;
937 typedef struct mgvtbl MGVTBL;
938 typedef union any ANY;
942 typedef I32 (*filter_t) _((int, SV *, int));
943 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
944 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
945 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
958 # include "./plan9/plan9ish.h"
960 # include "unixish.h"
966 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
967 * which defines NSIG - which will stop inclusion of <signal.h>
968 * this results in many functions being undeclared which bothers C++
969 * May make sense to have threads after "*ish.h" anyway
974 # include "fakethr.h"
977 # include <win32thread.h>
979 # include <pthread.h>
980 typedef pthread_mutex_t perl_mutex;
981 typedef pthread_cond_t perl_cond;
982 typedef pthread_key_t perl_key;
984 # endif /* FAKE_THREADS */
985 #endif /* USE_THREADS */
990 # define STATUS_NATIVE statusvalue_vms
991 # define STATUS_NATIVE_EXPORT \
992 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
993 # define STATUS_NATIVE_SET(n) \
995 statusvalue_vms = (n); \
996 if ((I32)statusvalue_vms == -1) \
998 else if (statusvalue_vms & STS$M_SUCCESS) \
1000 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
1001 statusvalue = 1 << 8; \
1003 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
1005 # define STATUS_POSIX statusvalue
1006 # ifdef VMSISH_STATUS
1007 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1009 # define STATUS_CURRENT STATUS_POSIX
1011 # define STATUS_POSIX_SET(n) \
1013 statusvalue = (n); \
1014 if (statusvalue != -1) { \
1015 statusvalue &= 0xFFFF; \
1016 statusvalue_vms = statusvalue ? 44 : 1; \
1018 else statusvalue_vms = -1; \
1020 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1021 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1023 # define STATUS_NATIVE STATUS_POSIX
1024 # define STATUS_NATIVE_EXPORT STATUS_POSIX
1025 # define STATUS_NATIVE_SET STATUS_POSIX_SET
1026 # define STATUS_POSIX statusvalue
1027 # define STATUS_POSIX_SET(n) \
1029 statusvalue = (n); \
1030 if (statusvalue != -1) \
1031 statusvalue &= 0xFFFF; \
1033 # define STATUS_CURRENT STATUS_POSIX
1034 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1035 # define STATUS_ALL_FAILURE (statusvalue = 1)
1038 /* Some unistd.h's give a prototype for pause() even though
1039 HAS_PAUSE ends up undefined. This causes the #define
1040 below to be rejected by the compmiler. Sigh.
1045 #define Pause() sleep((32767<<16)+32767)
1049 # ifdef IOCPARM_MASK
1050 /* on BSDish systes we're safe */
1051 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1053 /* otherwise guess at what's safe */
1054 # define IOCPARM_LEN(x) 256
1063 void (*any_dptr) _((void*));
1067 #define ARGSproto struct thread *thr
1069 #define ARGSproto void
1070 #endif /* USE_THREADS */
1072 /* Work around some cygwin32 problems with importing global symbols */
1073 #if defined(CYGWIN32) && defined(DLLIMPORT)
1074 # include "cw32imp.h"
1091 /* work around some libPW problems */
1096 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1100 #if defined(htonl) && !defined(HAS_HTONL)
1103 #if defined(htons) && !defined(HAS_HTONS)
1106 #if defined(ntohl) && !defined(HAS_NTOHL)
1109 #if defined(ntohs) && !defined(HAS_NTOHS)
1113 #if (BYTEORDER & 0xffff) != 0x4321
1119 #define htons my_swap
1120 #define htonl my_htonl
1121 #define ntohs my_swap
1122 #define ntohl my_ntohl
1125 #if (BYTEORDER & 0xffff) == 0x4321
1134 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1137 #if BYTEORDER != 0x1234
1142 # if BYTEORDER == 0x4321
1143 # define vtohl(x) ((((x)&0xFF)<<24) \
1145 +(((x)&0x0000FF00)<<8) \
1146 +(((x)&0x00FF0000)>>8) )
1147 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1148 # define htovl(x) vtohl(x)
1149 # define htovs(x) vtohs(x)
1151 /* otherwise default to functions in util.c */
1155 #define U_S(what) ((U16)(what))
1156 #define U_I(what) ((unsigned int)(what))
1157 #define U_L(what) ((U32)(what))
1159 EXTERN_C U32 cast_ulong _((double));
1160 #define U_S(what) ((U16)cast_ulong((double)(what)))
1161 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1162 #define U_L(what) (cast_ulong((double)(what)))
1166 #define I_32(what) ((I32)(what))
1167 #define I_V(what) ((IV)(what))
1168 #define U_V(what) ((UV)(what))
1171 I32 cast_i32 _((double));
1172 IV cast_iv _((double));
1173 UV cast_uv _((double));
1175 #define I_32(what) (cast_i32((double)(what)))
1176 #define I_V(what) (cast_iv((double)(what)))
1177 #define U_V(what) (cast_uv((double)(what)))
1191 # define TMPPATH "/tmp/perl-eXXXXXX"
1195 Uid_t getuid _((void));
1196 Uid_t geteuid _((void));
1197 Gid_t getgid _((void));
1198 Gid_t getegid _((void));
1202 #ifndef Perl_debug_log
1203 #define Perl_debug_log PerlIO_stderr()
1207 #define DEBUG(a) if (debug) a
1208 #define DEBUG_p(a) if (debug & 1) a
1209 #define DEBUG_s(a) if (debug & 2) a
1210 #define DEBUG_l(a) if (debug & 4) a
1211 #define DEBUG_t(a) if (debug & 8) a
1212 #define DEBUG_o(a) if (debug & 16) a
1213 #define DEBUG_c(a) if (debug & 32) a
1214 #define DEBUG_P(a) if (debug & 64) a
1215 #define DEBUG_m(a) if (curinterp && debug & 128) a
1216 #define DEBUG_f(a) if (debug & 256) a
1217 #define DEBUG_r(a) if (debug & 512) a
1218 #define DEBUG_x(a) if (debug & 1024) a
1219 #define DEBUG_u(a) if (debug & 2048) a
1220 #define DEBUG_L(a) if (debug & 4096) a
1221 #define DEBUG_H(a) if (debug & 8192) a
1222 #define DEBUG_X(a) if (debug & 16384) a
1223 #define DEBUG_D(a) if (debug & 32768) a
1244 #define YYMAXDEPTH 300
1246 #ifndef assert /* <assert.h> might have been included somehow */
1247 #define assert(what) DEB( { \
1249 croak("Assertion failed: file \"%s\", line %d", \
1250 __FILE__, __LINE__); \
1256 I32 (*uf_val)_((IV, SV*));
1257 I32 (*uf_set)_((IV, SV*));
1261 /* Fix these up for __STDC__ */
1262 #ifndef DONT_DECLARE_STD
1263 char *mktemp _((char*));
1264 double atof _((const char*));
1268 /* All of these are in stdlib.h or time.h for ANSI C */
1270 struct tm *gmtime(), *localtime();
1271 char *strchr(), *strrchr();
1272 char *strcpy(), *strcat();
1273 #endif /* ! STANDARD_C */
1280 double exp _((double));
1281 double log _((double));
1282 double log10 _((double));
1283 double sqrt _((double));
1284 double frexp _((double,int*));
1285 double ldexp _((double,int));
1286 double modf _((double,double*));
1287 double sin _((double));
1288 double cos _((double));
1289 double atan2 _((double,double));
1290 double pow _((double,double));
1295 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1296 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1298 char *crypt _((const char*, const char*));
1300 #ifndef DONT_DECLARE_STD
1302 char *getenv _((const char*));
1304 Off_t lseek _((int,Off_t,int));
1306 char *getlogin _((void));
1309 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1310 #define UNLINK unlnk
1311 I32 unlnk _((char*));
1313 #define UNLINK unlink
1316 #ifndef HAS_SETREUID
1317 # ifdef HAS_SETRESUID
1318 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1319 # define HAS_SETREUID
1322 #ifndef HAS_SETREGID
1323 # ifdef HAS_SETRESGID
1324 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1325 # define HAS_SETREGID
1329 typedef Signal_t (*Sighandler_t) _((int));
1331 #ifdef HAS_SIGACTION
1332 typedef struct sigaction Sigsave_t;
1334 typedef Sighandler_t Sigsave_t;
1345 # define PAD_SV(po) pad_sv(po)
1346 # define RUNOPS_DEFAULT runops_debug
1348 # define PAD_SV(po) curpad[po]
1349 # define RUNOPS_DEFAULT runops_standard
1353 * These need prototyping here because <proto.h> isn't
1354 * included until after runops is initialised.
1357 int runops_standard _((void));
1359 int runops_debug _((void));
1362 #define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1369 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1371 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1372 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1373 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1374 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1375 EXT perl_cond eval_cond; /* Condition variable for doeval */
1376 EXT struct thread * eval_owner; /* Owner thread for doeval */
1377 EXT int nthreads; /* Number of threads currently */
1378 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1379 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1380 EXT char * threadsv_names INIT(THREADSV_NAMES);
1382 EXT struct thread * thr; /* Currently executing (fake) thread */
1384 #endif /* USE_THREADS */
1386 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1387 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1388 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || defined(__sgi)
1389 extern char ** environ; /* environment variables supplied via exec */
1392 # if defined(NeXT) && defined(__DYNAMIC__)
1394 # include <mach-o/dyld.h>
1395 EXT char *** environ_pointer;
1396 # define environ (*environ_pointer)
1398 #endif /* environ processing */
1400 EXT int uid; /* current real user id */
1401 EXT int euid; /* current effective user id */
1402 EXT int gid; /* current real group id */
1403 EXT int egid; /* current effective group id */
1404 EXT bool nomemok; /* let malloc context handle nomem */
1405 EXT U32 an; /* malloc sequence number */
1406 EXT U32 cop_seqmax; /* statement sequence number */
1407 EXT U16 op_seqmax; /* op sequence number */
1408 EXT U32 evalseq; /* eval sequence number */
1409 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1410 EXT char ** origenviron;
1412 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1413 EXT U32 * profiledata;
1414 EXT int maxo INIT(MAXO);/* Number of ops */
1415 EXT char * osname; /* operating system */
1416 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1417 EXT Sighandler_t sighandlerp;
1419 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1420 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1421 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1422 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1423 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1424 EXT HE * he_root; /* free he list--shared by interpreters */
1425 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1426 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1428 /* Stack for currently executing thread--context switch must handle this. */
1429 EXT SV ** stack_base; /* stack->array_ary */
1430 EXT SV ** stack_sp; /* stack pointer now */
1431 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1433 /* likewise for these */
1435 #ifdef OP_IN_REGISTER
1436 EXT OP * opsave; /* save current op register across longjmps */
1438 EXT OP * op; /* current op--when not in a global register */
1440 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1441 EXT I32 * scopestack; /* blocks we've entered */
1442 EXT I32 scopestack_ix;
1443 EXT I32 scopestack_max;
1445 EXT ANY* savestack; /* to save non-local values on */
1446 EXT I32 savestack_ix;
1447 EXT I32 savestack_max;
1449 EXT OP ** retstack; /* returns we've pushed */
1450 EXT I32 retstack_ix;
1451 EXT I32 retstack_max;
1453 EXT I32 * markstack; /* stackmarks we're remembering */
1454 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1455 EXT I32 * markstack_max; /* stackmarks we're remembering */
1462 EXT char tokenbuf[256];
1463 EXT struct stat statbuf;
1465 EXT struct tms timesbuf;
1467 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1469 /* for tmp use in stupid debuggers */
1474 /* handy constants */
1475 EXTCONST char * Yes INIT("1");
1476 EXTCONST char * No INIT("");
1477 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1478 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1479 EXTCONST char * vert INIT("|");
1481 EXTCONST char warn_uninit[]
1482 INIT("Use of uninitialized value");
1483 EXTCONST char warn_nosemi[]
1484 INIT("Semicolon seems to be missing");
1485 EXTCONST char warn_reserved[]
1486 INIT("Unquoted string \"%s\" may clash with future reserved word");
1487 EXTCONST char warn_nl[]
1488 INIT("Unsuccessful %s on filename containing newline");
1489 EXTCONST char no_wrongref[]
1490 INIT("Can't use %s ref as %s ref");
1491 EXTCONST char no_symref[]
1492 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1493 EXTCONST char no_usym[]
1494 INIT("Can't use an undefined value as %s reference");
1495 EXTCONST char no_aelem[]
1496 INIT("Modification of non-creatable array value attempted, subscript %d");
1497 EXTCONST char no_helem[]
1498 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1499 EXTCONST char no_modify[]
1500 INIT("Modification of a read-only value attempted");
1501 EXTCONST char no_mem[]
1502 INIT("Out of memory!\n");
1503 EXTCONST char no_security[]
1504 INIT("Insecure dependency in %s%s");
1505 EXTCONST char no_sock_func[]
1506 INIT("Unsupported socket function \"%s\" called");
1507 EXTCONST char no_dir_func[]
1508 INIT("Unsupported directory function \"%s\" called");
1509 EXTCONST char no_func[]
1510 INIT("The %s function is unimplemented");
1511 EXTCONST char no_myglob[]
1512 INIT("\"my\" variable %s can't be in a package");
1518 EXT char * cshname INIT(CSH);
1523 EXT char *sig_name[] = { SIG_NAME };
1524 EXT int sig_num[] = { SIG_NUM };
1525 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1526 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1528 EXT char *sig_name[];
1530 EXT SV * psig_ptr[];
1531 EXT SV * psig_name[];
1534 /* fast case folding tables */
1537 EXTCONST unsigned char fold[] = {
1538 0, 1, 2, 3, 4, 5, 6, 7,
1539 8, 9, 10, 11, 12, 13, 14, 15,
1540 16, 17, 18, 19, 20, 21, 22, 23,
1541 24, 25, 26, 27, 28, 29, 30, 31,
1542 32, 33, 34, 35, 36, 37, 38, 39,
1543 40, 41, 42, 43, 44, 45, 46, 47,
1544 48, 49, 50, 51, 52, 53, 54, 55,
1545 56, 57, 58, 59, 60, 61, 62, 63,
1546 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1547 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1548 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1549 'x', 'y', 'z', 91, 92, 93, 94, 95,
1550 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1551 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1552 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1553 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1554 128, 129, 130, 131, 132, 133, 134, 135,
1555 136, 137, 138, 139, 140, 141, 142, 143,
1556 144, 145, 146, 147, 148, 149, 150, 151,
1557 152, 153, 154, 155, 156, 157, 158, 159,
1558 160, 161, 162, 163, 164, 165, 166, 167,
1559 168, 169, 170, 171, 172, 173, 174, 175,
1560 176, 177, 178, 179, 180, 181, 182, 183,
1561 184, 185, 186, 187, 188, 189, 190, 191,
1562 192, 193, 194, 195, 196, 197, 198, 199,
1563 200, 201, 202, 203, 204, 205, 206, 207,
1564 208, 209, 210, 211, 212, 213, 214, 215,
1565 216, 217, 218, 219, 220, 221, 222, 223,
1566 224, 225, 226, 227, 228, 229, 230, 231,
1567 232, 233, 234, 235, 236, 237, 238, 239,
1568 240, 241, 242, 243, 244, 245, 246, 247,
1569 248, 249, 250, 251, 252, 253, 254, 255
1572 EXTCONST unsigned char fold[];
1576 EXT unsigned char fold_locale[] = {
1577 0, 1, 2, 3, 4, 5, 6, 7,
1578 8, 9, 10, 11, 12, 13, 14, 15,
1579 16, 17, 18, 19, 20, 21, 22, 23,
1580 24, 25, 26, 27, 28, 29, 30, 31,
1581 32, 33, 34, 35, 36, 37, 38, 39,
1582 40, 41, 42, 43, 44, 45, 46, 47,
1583 48, 49, 50, 51, 52, 53, 54, 55,
1584 56, 57, 58, 59, 60, 61, 62, 63,
1585 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1586 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1587 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1588 'x', 'y', 'z', 91, 92, 93, 94, 95,
1589 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1590 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1591 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1592 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1593 128, 129, 130, 131, 132, 133, 134, 135,
1594 136, 137, 138, 139, 140, 141, 142, 143,
1595 144, 145, 146, 147, 148, 149, 150, 151,
1596 152, 153, 154, 155, 156, 157, 158, 159,
1597 160, 161, 162, 163, 164, 165, 166, 167,
1598 168, 169, 170, 171, 172, 173, 174, 175,
1599 176, 177, 178, 179, 180, 181, 182, 183,
1600 184, 185, 186, 187, 188, 189, 190, 191,
1601 192, 193, 194, 195, 196, 197, 198, 199,
1602 200, 201, 202, 203, 204, 205, 206, 207,
1603 208, 209, 210, 211, 212, 213, 214, 215,
1604 216, 217, 218, 219, 220, 221, 222, 223,
1605 224, 225, 226, 227, 228, 229, 230, 231,
1606 232, 233, 234, 235, 236, 237, 238, 239,
1607 240, 241, 242, 243, 244, 245, 246, 247,
1608 248, 249, 250, 251, 252, 253, 254, 255
1611 EXT unsigned char fold_locale[];
1615 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1616 1, 2, 84, 151, 154, 155, 156, 157,
1617 165, 246, 250, 3, 158, 7, 18, 29,
1618 40, 51, 62, 73, 85, 96, 107, 118,
1619 129, 140, 147, 148, 149, 150, 152, 153,
1620 255, 182, 224, 205, 174, 176, 180, 217,
1621 233, 232, 236, 187, 235, 228, 234, 226,
1622 222, 219, 211, 195, 188, 193, 185, 184,
1623 191, 183, 201, 229, 181, 220, 194, 162,
1624 163, 208, 186, 202, 200, 218, 198, 179,
1625 178, 214, 166, 170, 207, 199, 209, 206,
1626 204, 160, 212, 216, 215, 192, 175, 173,
1627 243, 172, 161, 190, 203, 189, 164, 230,
1628 167, 248, 227, 244, 242, 255, 241, 231,
1629 240, 253, 169, 210, 245, 237, 249, 247,
1630 239, 168, 252, 251, 254, 238, 223, 221,
1631 213, 225, 177, 197, 171, 196, 159, 4,
1632 5, 6, 8, 9, 10, 11, 12, 13,
1633 14, 15, 16, 17, 19, 20, 21, 22,
1634 23, 24, 25, 26, 27, 28, 30, 31,
1635 32, 33, 34, 35, 36, 37, 38, 39,
1636 41, 42, 43, 44, 45, 46, 47, 48,
1637 49, 50, 52, 53, 54, 55, 56, 57,
1638 58, 59, 60, 61, 63, 64, 65, 66,
1639 67, 68, 69, 70, 71, 72, 74, 75,
1640 76, 77, 78, 79, 80, 81, 82, 83,
1641 86, 87, 88, 89, 90, 91, 92, 93,
1642 94, 95, 97, 98, 99, 100, 101, 102,
1643 103, 104, 105, 106, 108, 109, 110, 111,
1644 112, 113, 114, 115, 116, 117, 119, 120,
1645 121, 122, 123, 124, 125, 126, 127, 128,
1646 130, 131, 132, 133, 134, 135, 136, 137,
1647 138, 139, 141, 142, 143, 144, 145, 146
1650 EXTCONST unsigned char freq[];
1655 EXTCONST char* block_type[] = {
1664 EXTCONST char* block_type[];
1668 /*****************************************************************************/
1669 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1670 /*****************************************************************************/
1671 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1675 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1686 EXT U32 lex_state; /* next token is determined */
1687 EXT U32 lex_defer; /* state after determined token */
1688 EXT expectation lex_expect; /* expect after determined token */
1689 EXT I32 lex_brackets; /* bracket count */
1690 EXT I32 lex_formbrack; /* bracket count at outer format level */
1691 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1692 EXT I32 lex_casemods; /* casemod count */
1693 EXT I32 lex_dojoin; /* doing an array interpolation */
1694 EXT I32 lex_starts; /* how many interps done on level */
1695 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1696 EXT SV * lex_repl; /* runtime replacement from s/// */
1697 EXT OP * lex_op; /* extra info to pass back on op */
1698 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1699 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1700 EXT char * lex_brackstack; /* what kind of brackets to pop */
1701 EXT char * lex_casestack; /* what kind of case mods in effect */
1703 /* What we know when we're in LEX_KNOWNEXT state. */
1704 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1705 EXT I32 nexttype[5]; /* type of next token */
1708 EXT PerlIO * VOL rsfp INIT(Nullfp);
1711 EXT char * oldbufptr;
1712 EXT char * oldoldbufptr;
1714 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1715 EXT AV * rsfp_filters;
1717 EXT I32 multi_start; /* 1st line of multi-line string */
1718 EXT I32 multi_end; /* last line of multi-line string */
1719 EXT I32 multi_open; /* delimiter of said string */
1720 EXT I32 multi_close; /* delimiter of said string */
1723 EXT I32 error_count; /* how many errors so far, max 10 */
1724 EXT I32 subline; /* line this subroutine began on */
1725 EXT SV * subname; /* name of current subroutine */
1727 EXT CV * compcv; /* currently compiling subroutine */
1728 EXT AV * comppad; /* storage for lexically scoped temporaries */
1729 EXT AV * comppad_name; /* variable names for "my" variables */
1730 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1731 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1732 EXT I32 min_intro_pending;/* start of vars to introduce */
1733 EXT I32 max_intro_pending;/* end of vars to introduce */
1734 EXT I32 padix; /* max used index in current "register" pad */
1735 EXT I32 padix_floor; /* how low may inner block reset padix */
1736 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1739 EXT I32 thisexpr; /* name id for nothing_in_common() */
1740 EXT char * last_uni; /* position of last named-unary operator */
1741 EXT char * last_lop; /* position of last list operator */
1742 EXT OPCODE last_lop_op; /* last list operator */
1743 EXT bool in_my; /* we're compiling a "my" declaration */
1744 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1746 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1749 EXT U32 hints; /* various compilation flags */
1751 /* Note: the lowest 8 bits are reserved for
1752 stuffing into op->op_private */
1753 #define HINT_INTEGER 0x00000001
1754 #define HINT_STRICT_REFS 0x00000002
1756 #define HINT_BLOCK_SCOPE 0x00000100
1757 #define HINT_STRICT_SUBS 0x00000200
1758 #define HINT_STRICT_VARS 0x00000400
1759 #define HINT_LOCALE 0x00000800
1761 EXT bool do_undump; /* -u or dump seen? */
1764 /***********************************************/
1765 /* Global only to current interpreter instance */
1766 /***********************************************/
1771 struct interpreter {
1774 #define IINIT(x) INIT(x)
1777 /* pseudo environmental stuff */
1779 IEXT char ** Iorigargv;
1783 IEXT char * Iorigfilename;
1785 IEXT SV * Iwarnhook;
1786 IEXT SV * Iparsehook;
1788 /* Various states of an input record separator SV (rs, nrs) */
1789 #define RsSNARF(sv) (! SvOK(sv))
1790 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1791 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1796 IEXT char Ipatchlevel[10];
1797 IEXT char ** Ilocalpatches;
1799 IEXT char * Isplitstr IINIT(" ");
1800 IEXT bool Ipreprocess;
1806 IEXT bool Idoswitches;
1808 IEXT bool Idoextract;
1809 IEXT bool Isawampersand; /* must save all match strings */
1810 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1813 IEXT char * Iinplace;
1814 IEXT char * Ie_tmpname;
1815 IEXT PerlIO * Ie_fp;
1817 /* This value may be raised by extensions for testing purposes */
1818 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1820 /* magical thingies */
1821 IEXT Time_t Ibasetime; /* $^T */
1822 IEXT SV * Iformfeed; /* $^L */
1823 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1824 IEXT SV * Irs; /* $/ */
1825 IEXT char * Iofs; /* $, */
1826 IEXT STRLEN Iofslen;
1827 IEXT char * Iors; /* $\ */
1828 IEXT STRLEN Iorslen;
1829 IEXT char * Iofmt; /* $# */
1830 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1831 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1832 IEXT I32 Istatusvalue; /* $? */
1834 IEXT U32 Istatusvalue_vms;
1837 IEXT struct stat Istatcache; /* _ */
1839 IEXT SV * Istatname IINIT(Nullsv);
1841 /* shortcuts to various I/O objects */
1843 IEXT GV * Ilast_in_gv;
1846 IEXT GV * Idefoutgv;
1847 IEXT GV * Iargvoutgv;
1849 /* shortcuts to regexp stuff */
1853 IEXT PMOP * Icurpm; /* what to do \ interps from */
1854 IEXT I32 * Iscreamfirst;
1855 IEXT I32 * Iscreamnext;
1856 IEXT I32 Imaxscream IINIT(-1);
1857 IEXT SV * Ilastscream;
1859 /* shortcuts to misc objects */
1862 /* shortcuts to debugging objects */
1866 IEXT SV * IDBsingle;
1868 IEXT SV * IDBsignal;
1869 IEXT AV * Ilineary; /* lines of script for debugger */
1870 IEXT AV * Idbargs; /* args to call listed by caller function */
1873 IEXT HV * Idefstash; /* main symbol table */
1874 IEXT HV * Icurstash; /* symbol table for current package */
1875 IEXT HV * Idebstash; /* symbol table for perldb package */
1876 IEXT HV * Iglobalstash; /* global keyword overrides imported here */
1877 IEXT SV * Icurstname; /* name of current package */
1878 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1879 IEXT AV * Iendav; /* names of END subroutines */
1880 IEXT AV * Iinitav; /* names of INIT subroutines */
1881 IEXT HV * Istrtab; /* shared string table */
1883 /* memory management */
1884 IEXT SV ** Itmps_stack;
1885 IEXT I32 Itmps_ix IINIT(-1);
1886 IEXT I32 Itmps_floor IINIT(-1);
1888 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1889 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1890 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1891 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1893 /* funky return mechanisms */
1894 IEXT I32 Ilastspbase;
1896 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1898 /* subprocess state */
1899 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1901 /* internal state */
1902 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1903 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1904 IEXT int Idelaymagic; /* ($<,$>) = ... */
1905 IEXT bool Idirty; /* In the middle of tearing things down? */
1906 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1907 IEXT bool Itainted; /* using variables controlled by $< */
1908 IEXT bool Itainting; /* doing taint checks */
1909 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1913 IEXT I32 Idlmax IINIT(128);
1914 IEXT char * Idebname;
1915 IEXT char * Idebdelim;
1917 /* current interpreter roots */
1919 IEXT OP * Imain_root;
1920 IEXT OP * Imain_start;
1921 IEXT OP * Ieval_root;
1922 IEXT OP * Ieval_start;
1924 /* runtime control stuff */
1925 IEXT COP * VOL Icurcop IINIT(&compiling);
1926 IEXT COP * Icurcopdb IINIT(NULL);
1927 IEXT line_t Icopline IINIT(NOLINE);
1928 IEXT PERL_CONTEXT * Icxstack;
1929 IEXT I32 Icxstack_ix IINIT(-1);
1930 IEXT I32 Icxstack_max IINIT(128);
1931 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1932 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1935 IEXT AV * Icurstack; /* THE STACK */
1936 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1938 /* format accumulators */
1939 IEXT SV * Iformtarget;
1940 IEXT SV * Ibodytarget;
1941 IEXT SV * Itoptarget;
1943 /* statics moved here for shared library purposes */
1944 IEXT SV Istrchop; /* return value from chop */
1945 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1946 IEXT int Ilastfd; /* what to preserve mode on */
1947 IEXT char * Ioldname; /* what to preserve mode on */
1948 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1949 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1950 IEXT OP * Isortcop; /* user defined sort routine */
1951 IEXT HV * Isortstash; /* which is in some package or other */
1952 IEXT GV * Ifirstgv; /* $a */
1953 IEXT GV * Isecondgv; /* $b */
1954 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1955 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1956 IEXT SV * Imystrk; /* temp key string for do_each() */
1957 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1958 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1959 IEXT I32 Igensym; /* next symbol for getsym() to define */
1960 IEXT bool Ipreambled;
1961 IEXT AV * Ipreambleav;
1962 IEXT int Ilaststatval IINIT(-1);
1963 IEXT I32 Ilaststype IINIT(OP_STAT);
1968 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1969 #endif /* USE_THREADS */
1977 struct interpreter {
1989 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1990 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1992 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1993 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1998 /* The following must follow proto.h */
2002 EXT MGVTBL vtbl_sv = {magic_get,
2006 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2007 0, magic_clear_all_env,
2009 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2012 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2013 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2017 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2019 EXT MGVTBL vtbl_packelem = {magic_getpack,
2023 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2025 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2028 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2030 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2033 EXT MGVTBL vtbl_glob = {magic_getglob,
2036 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2038 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2040 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2042 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2044 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2046 EXT MGVTBL vtbl_pos = {magic_getpos,
2049 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2051 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2053 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2057 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2058 #endif /* USE_THREADS */
2059 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2060 0, 0, magic_freedefelem};
2062 EXT MGVTBL vtbl_regexp = {0,0,0,0, magic_freeregexp};
2064 #ifdef USE_LOCALE_COLLATE
2065 EXT MGVTBL vtbl_collxfrm = {0,
2071 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2072 0, 0, magic_setamagic};
2073 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2074 0, 0, magic_setamagic};
2075 #endif /* OVERLOAD */
2080 EXT MGVTBL vtbl_env;
2081 EXT MGVTBL vtbl_envelem;
2082 EXT MGVTBL vtbl_sig;
2083 EXT MGVTBL vtbl_sigelem;
2084 EXT MGVTBL vtbl_pack;
2085 EXT MGVTBL vtbl_packelem;
2086 EXT MGVTBL vtbl_dbline;
2087 EXT MGVTBL vtbl_isa;
2088 EXT MGVTBL vtbl_isaelem;
2089 EXT MGVTBL vtbl_arylen;
2090 EXT MGVTBL vtbl_glob;
2091 EXT MGVTBL vtbl_mglob;
2092 EXT MGVTBL vtbl_nkeys;
2093 EXT MGVTBL vtbl_taint;
2094 EXT MGVTBL vtbl_substr;
2095 EXT MGVTBL vtbl_vec;
2096 EXT MGVTBL vtbl_pos;
2099 EXT MGVTBL vtbl_uvar;
2102 EXT MGVTBL vtbl_mutex;
2103 #endif /* USE_THREADS */
2105 EXT MGVTBL vtbl_defelem;
2106 EXT MGVTBL vtbl_regexp;
2108 #ifdef USE_LOCALE_COLLATE
2109 EXT MGVTBL vtbl_collxfrm;
2113 EXT MGVTBL vtbl_amagic;
2114 EXT MGVTBL vtbl_amagicelem;
2115 #endif /* OVERLOAD */
2117 #endif /* !DOINIT */
2121 EXT long amagic_generation;
2123 #define NofAMmeth 58
2125 EXTCONST char * AMG_names[NofAMmeth] = {
2126 "fallback", "abs", /* "fallback" should be the first. */
2157 EXTCONST char * AMG_names[NofAMmeth];
2158 #endif /* def INITAMAGIC */
2164 CV* table[NofAMmeth];
2167 struct am_table_short {
2172 typedef struct am_table AMT;
2173 typedef struct am_table_short AMTS;
2175 #define AMGfallNEVER 1
2177 #define AMGfallYES 3
2179 #define AMTf_AMAGIC 1
2180 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2181 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2182 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2185 fallback_amg, abs_amg,
2186 bool__amg, nomethod_amg,
2187 string_amg, numer_amg,
2188 add_amg, add_ass_amg,
2189 subtr_amg, subtr_ass_amg,
2190 mult_amg, mult_ass_amg,
2191 div_amg, div_ass_amg,
2192 mod_amg, mod_ass_amg,
2193 pow_amg, pow_ass_amg,
2194 lshift_amg, lshift_ass_amg,
2195 rshift_amg, rshift_ass_amg,
2196 band_amg, band_ass_amg,
2197 bor_amg, bor_ass_amg,
2198 bxor_amg, bxor_ass_amg,
2211 repeat_amg, repeat_ass_amg,
2212 concat_amg, concat_ass_amg,
2217 * some compilers like to redefine cos et alia as faster
2218 * (and less accurate?) versions called F_cos et cetera (Quidquid
2219 * latine dictum sit, altum viditur.) This trick collides with
2220 * the Perl overloading (amg). The following #defines fool both.
2225 # define F_atan2_amg atan2_amg
2228 # define F_cos_amg cos_amg
2231 # define F_exp_amg exp_amg
2234 # define F_log_amg log_amg
2237 # define F_pow_amg pow_amg
2240 # define F_sin_amg sin_amg
2243 # define F_sqrt_amg sqrt_amg
2245 #endif /* _FASTMATH */
2247 #endif /* OVERLOAD */
2249 #define PERLDB_ALL 0xff
2250 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2251 #define PERLDBf_LINE 0x02 /* Keep line #. */
2252 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2253 #define PERLDBf_INTER 0x08 /* Preserve more data for
2254 later inspections. */
2255 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2256 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2258 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2259 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2260 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2261 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2262 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2263 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2265 #ifdef USE_LOCALE_COLLATE
2266 EXT U32 collation_ix; /* Collation generation index */
2267 EXT char * collation_name; /* Name of current collation */
2268 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2269 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2270 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2271 #endif /* USE_LOCALE_COLLATE */
2273 #ifdef USE_LOCALE_NUMERIC
2275 EXT char * numeric_name; /* Name of current numeric locale */
2276 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2277 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2279 #define SET_NUMERIC_STANDARD() \
2281 if (! numeric_standard) \
2282 perl_set_numeric_standard(); \
2285 #define SET_NUMERIC_LOCAL() \
2287 if (! numeric_local) \
2288 perl_set_numeric_local(); \
2291 #else /* !USE_LOCALE_NUMERIC */
2293 #define SET_NUMERIC_STANDARD() /**/
2294 #define SET_NUMERIC_LOCAL() /**/
2296 #endif /* !USE_LOCALE_NUMERIC */
2298 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2300 * Now we have __attribute__ out of the way
2303 #define printf PerlIO_stdoutf
2307 * nice_chunk and nice_chunk size need to be set
2308 * and queried under the protection of sv_mutex
2310 #define offer_nice_chunk(chunk, chunk_size) do { \
2311 MUTEX_LOCK(&sv_mutex); \
2312 if (!nice_chunk) { \
2313 nice_chunk = (char*)(chunk); \
2314 nice_chunk_size = (chunk_size); \
2316 MUTEX_UNLOCK(&sv_mutex); \
2319 #endif /* Include guard */