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 extern int errno; /* ANSI allows errno to be an lvalue expr */
471 char *strerror _((int,...));
473 #ifndef DONT_DECLARE_STD
474 char *strerror _((int));
478 # define Strerror strerror
481 # ifdef HAS_SYS_ERRLIST
483 extern char *sys_errlist[];
485 # define Strerror(e) \
486 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
493 # include <sys/ioctl.h>
497 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
498 # ifdef HAS_SOCKETPAIR
499 # undef HAS_SOCKETPAIR
514 /* Configure already sets Direntry_t */
515 #if defined(I_DIRENT)
517 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
518 # include <sys/dir.h>
522 # include <sys/ndir.h>
526 # include <ndir.h> /* may be wrong in the future */
528 # include <sys/dir.h>
535 /* work around botch in SunOS 4.0.1 and 4.0.2 */
537 # define fputs(sv,fp) fprintf(fp,"%s",sv)
542 * The following gobbledygook brought to you on behalf of __STDC__.
543 * (I could just use #ifndef __STDC__, but this is more bulletproof
544 * in the face of half-implementations.)
549 # define S_IFMT _S_IFMT
551 # define S_IFMT 0170000
556 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
560 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
565 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
567 # define S_ISBLK(m) (0)
572 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
577 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
579 # define S_ISFIFO(m) (0)
585 # define S_ISLNK(m) _S_ISLNK(m)
588 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
591 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
593 # define S_ISLNK(m) (0)
601 # define S_ISSOCK(m) _S_ISSOCK(m)
604 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
607 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
609 # define S_ISSOCK(m) (0)
617 # define S_IRUSR S_IREAD
618 # define S_IWUSR S_IWRITE
619 # define S_IXUSR S_IEXEC
621 # define S_IRUSR 0400
622 # define S_IWUSR 0200
623 # define S_IXUSR 0100
625 # define S_IRGRP (S_IRUSR>>3)
626 # define S_IWGRP (S_IWUSR>>3)
627 # define S_IXGRP (S_IXUSR>>3)
628 # define S_IROTH (S_IRUSR>>6)
629 # define S_IWOTH (S_IWUSR>>6)
630 # define S_IXOTH (S_IXUSR>>6)
634 # define S_ISUID 04000
638 # define S_ISGID 02000
645 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
646 # define SLOPPYDIVIDE
653 /* XXX QUAD stuff is not currently supported on most systems.
654 Specifically, perl internals don't support long long. Among
655 the many problems is that some compilers support long long,
656 but the underlying library functions (such as sprintf) don't.
657 Some things do work (such as quad pack/unpack on convex);
658 also some systems use long long for the fpos_t typedef. That
661 The IV type is supposed to be long enough to hold any integral
663 --Andy Dougherty August 1996
670 # define Quad_t long long
672 # if BYTEORDER > 0xFFFF
681 typedef unsigned Quad_t UV;
682 # define IV_MAX PERL_QUAD_MAX
683 # define IV_MIN PERL_QUAD_MIN
684 # define UV_MAX PERL_UQUAD_MAX
685 # define UV_MIN PERL_UQUAD_MIN
688 typedef unsigned long UV;
689 # define IV_MAX PERL_LONG_MAX
690 # define IV_MIN PERL_LONG_MIN
691 # define UV_MAX PERL_ULONG_MAX
692 # define UV_MIN PERL_ULONG_MIN
695 /* Previously these definitions used hardcoded figures.
696 * It is hoped these formula are more portable, although
697 * no data one way or another is presently known to me.
698 * The "PERL_" names are used because these calculated constants
699 * do not meet the ANSI requirements for LONG_MAX, etc., which
700 * need to be constants acceptable to #if - kja
701 * define PERL_LONG_MAX 2147483647L
702 * define PERL_LONG_MIN (-LONG_MAX - 1)
703 * define PERL ULONG_MAX 4294967295L
706 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
715 * Try to figure out max and min values for the integral types. THE CORRECT
716 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
717 * following hacks are used if neither limits.h or values.h provide them:
718 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
719 * for types < int: (unsigned TYPE)~(unsigned)0
720 * The argument to ~ must be unsigned so that later signed->unsigned
721 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
722 * and it must not be smaller than int because ~ does integral promotion.
723 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
724 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
725 * The latter is a hack which happens to work on some machines but
726 * does *not* catch any random system, or things like integer types
727 * with NaN if that is possible.
729 * All of the types are explicitly cast to prevent accidental loss of
730 * numeric range, and in the hope that they will be less likely to confuse
731 * over-eager optimizers.
735 #define PERL_UCHAR_MIN ((unsigned char)0)
738 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
741 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
743 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
748 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
749 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
750 * depending on local options. Until Configure detects this (or at least
751 * detects whether the "signed" keyword is available) the CHAR ranges
752 * will not be included. UCHAR functions normally.
756 #define PERL_USHORT_MIN ((unsigned short)0)
759 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
762 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
764 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
769 # define PERL_SHORT_MAX ((short)SHORT_MAX)
771 # ifdef MAXSHORT /* Often used in <values.h> */
772 # define PERL_SHORT_MAX ((short)MAXSHORT)
774 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
779 # define PERL_SHORT_MIN ((short)SHORT_MIN)
782 # define PERL_SHORT_MIN ((short)MINSHORT)
784 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
789 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
792 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
794 # define PERL_UINT_MAX (~(unsigned int)0)
798 #define PERL_UINT_MIN ((unsigned int)0)
801 # define PERL_INT_MAX ((int)INT_MAX)
803 # ifdef MAXINT /* Often used in <values.h> */
804 # define PERL_INT_MAX ((int)MAXINT)
806 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
811 # define PERL_INT_MIN ((int)INT_MIN)
814 # define PERL_INT_MIN ((int)MININT)
816 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
821 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
824 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
826 # define PERL_ULONG_MAX (~(unsigned long)0)
830 #define PERL_ULONG_MIN ((unsigned long)0L)
833 # define PERL_LONG_MAX ((long)LONG_MAX)
835 # ifdef MAXLONG /* Often used in <values.h> */
836 # define PERL_LONG_MAX ((long)MAXLONG)
838 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
843 # define PERL_LONG_MIN ((long)LONG_MIN)
846 # define PERL_LONG_MIN ((long)MINLONG)
848 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
855 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
857 # define PERL_UQUAD_MAX (~(UV)0)
860 # define PERL_UQUAD_MIN ((UV)0)
863 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
865 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
869 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
871 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
876 /* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
878 # define CONTEXT PERL_CONTEXT
881 typedef MEM_SIZE STRLEN;
883 typedef struct op OP;
884 typedef struct cop COP;
885 typedef struct unop UNOP;
886 typedef struct binop BINOP;
887 typedef struct listop LISTOP;
888 typedef struct logop LOGOP;
889 typedef struct condop CONDOP;
890 typedef struct pmop PMOP;
891 typedef struct svop SVOP;
892 typedef struct gvop GVOP;
893 typedef struct pvop PVOP;
894 typedef struct loop LOOP;
896 typedef struct Outrec Outrec;
897 typedef struct interpreter PerlInterpreter;
899 typedef struct ff FF; /* XXX not defined anywhere, should go? */
901 typedef struct sv SV;
902 typedef struct av AV;
903 typedef struct hv HV;
904 typedef struct cv CV;
905 typedef struct regexp REGEXP;
906 typedef struct gp GP;
907 typedef struct gv GV;
908 typedef struct io IO;
909 typedef struct context CONTEXT;
910 typedef struct block BLOCK;
912 typedef struct magic MAGIC;
913 typedef struct xrv XRV;
914 typedef struct xpv XPV;
915 typedef struct xpviv XPVIV;
916 typedef struct xpvuv XPVUV;
917 typedef struct xpvnv XPVNV;
918 typedef struct xpvmg XPVMG;
919 typedef struct xpvlv XPVLV;
920 typedef struct xpvav XPVAV;
921 typedef struct xpvhv XPVHV;
922 typedef struct xpvgv XPVGV;
923 typedef struct xpvcv XPVCV;
924 typedef struct xpvbm XPVBM;
925 typedef struct xpvfm XPVFM;
926 typedef struct xpvio XPVIO;
927 typedef struct mgvtbl MGVTBL;
928 typedef union any ANY;
932 typedef I32 (*filter_t) _((int, SV *, int));
933 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
934 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
935 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
948 # include "./plan9/plan9ish.h"
950 # include "unixish.h"
956 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
957 * which defines NSIG - which will stop inclusion of <signal.h>
958 * this results in many functions being undeclared which bothers C++
959 * May make sense to have threads after "*ish.h" anyway
964 # include "fakethr.h"
967 # include <win32thread.h>
969 # include <pthread.h>
970 typedef pthread_mutex_t perl_mutex;
971 typedef pthread_cond_t perl_cond;
972 typedef pthread_key_t perl_key;
974 # endif /* FAKE_THREADS */
975 #endif /* USE_THREADS */
980 # define STATUS_NATIVE statusvalue_vms
981 # define STATUS_NATIVE_EXPORT \
982 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
983 # define STATUS_NATIVE_SET(n) \
985 statusvalue_vms = (n); \
986 if ((I32)statusvalue_vms == -1) \
988 else if (statusvalue_vms & STS$M_SUCCESS) \
990 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
991 statusvalue = 1 << 8; \
993 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
995 # define STATUS_POSIX statusvalue
996 # ifdef VMSISH_STATUS
997 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
999 # define STATUS_CURRENT STATUS_POSIX
1001 # define STATUS_POSIX_SET(n) \
1003 statusvalue = (n); \
1004 if (statusvalue != -1) { \
1005 statusvalue &= 0xFFFF; \
1006 statusvalue_vms = statusvalue ? 44 : 1; \
1008 else statusvalue_vms = -1; \
1010 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1011 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1013 # define STATUS_NATIVE STATUS_POSIX
1014 # define STATUS_NATIVE_EXPORT STATUS_POSIX
1015 # define STATUS_NATIVE_SET STATUS_POSIX_SET
1016 # define STATUS_POSIX statusvalue
1017 # define STATUS_POSIX_SET(n) \
1019 statusvalue = (n); \
1020 if (statusvalue != -1) \
1021 statusvalue &= 0xFFFF; \
1023 # define STATUS_CURRENT STATUS_POSIX
1024 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1025 # define STATUS_ALL_FAILURE (statusvalue = 1)
1028 /* Some unistd.h's give a prototype for pause() even though
1029 HAS_PAUSE ends up undefined. This causes the #define
1030 below to be rejected by the compmiler. Sigh.
1035 #define Pause() sleep((32767<<16)+32767)
1039 # ifdef IOCPARM_MASK
1040 /* on BSDish systes we're safe */
1041 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1043 /* otherwise guess at what's safe */
1044 # define IOCPARM_LEN(x) 256
1053 void (*any_dptr) _((void*));
1057 #define ARGSproto struct thread *thr
1059 #define ARGSproto void
1060 #endif /* USE_THREADS */
1062 /* Work around some cygwin32 problems with importing global symbols */
1063 #if defined(CYGWIN32) && defined(DLLIMPORT)
1064 # include "cw32imp.h"
1081 /* work around some libPW problems */
1086 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1090 #if defined(htonl) && !defined(HAS_HTONL)
1093 #if defined(htons) && !defined(HAS_HTONS)
1096 #if defined(ntohl) && !defined(HAS_NTOHL)
1099 #if defined(ntohs) && !defined(HAS_NTOHS)
1103 #if (BYTEORDER & 0xffff) != 0x4321
1109 #define htons my_swap
1110 #define htonl my_htonl
1111 #define ntohs my_swap
1112 #define ntohl my_ntohl
1115 #if (BYTEORDER & 0xffff) == 0x4321
1124 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1127 #if BYTEORDER != 0x1234
1132 # if BYTEORDER == 0x4321
1133 # define vtohl(x) ((((x)&0xFF)<<24) \
1135 +(((x)&0x0000FF00)<<8) \
1136 +(((x)&0x00FF0000)>>8) )
1137 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1138 # define htovl(x) vtohl(x)
1139 # define htovs(x) vtohs(x)
1141 /* otherwise default to functions in util.c */
1145 #define U_S(what) ((U16)(what))
1146 #define U_I(what) ((unsigned int)(what))
1147 #define U_L(what) ((U32)(what))
1149 EXTERN_C U32 cast_ulong _((double));
1150 #define U_S(what) ((U16)cast_ulong((double)(what)))
1151 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1152 #define U_L(what) (cast_ulong((double)(what)))
1156 #define I_32(what) ((I32)(what))
1157 #define I_V(what) ((IV)(what))
1158 #define U_V(what) ((UV)(what))
1161 I32 cast_i32 _((double));
1162 IV cast_iv _((double));
1163 UV cast_uv _((double));
1165 #define I_32(what) (cast_i32((double)(what)))
1166 #define I_V(what) (cast_iv((double)(what)))
1167 #define U_V(what) (cast_uv((double)(what)))
1181 # define TMPPATH "/tmp/perl-eXXXXXX"
1185 Uid_t getuid _((void));
1186 Uid_t geteuid _((void));
1187 Gid_t getgid _((void));
1188 Gid_t getegid _((void));
1192 #ifndef Perl_debug_log
1193 #define Perl_debug_log PerlIO_stderr()
1197 #define DEBUG(a) if (debug) a
1198 #define DEBUG_p(a) if (debug & 1) a
1199 #define DEBUG_s(a) if (debug & 2) a
1200 #define DEBUG_l(a) if (debug & 4) a
1201 #define DEBUG_t(a) if (debug & 8) a
1202 #define DEBUG_o(a) if (debug & 16) a
1203 #define DEBUG_c(a) if (debug & 32) a
1204 #define DEBUG_P(a) if (debug & 64) a
1205 #define DEBUG_m(a) if (curinterp && debug & 128) a
1206 #define DEBUG_f(a) if (debug & 256) a
1207 #define DEBUG_r(a) if (debug & 512) a
1208 #define DEBUG_x(a) if (debug & 1024) a
1209 #define DEBUG_u(a) if (debug & 2048) a
1210 #define DEBUG_L(a) if (debug & 4096) a
1211 #define DEBUG_H(a) if (debug & 8192) a
1212 #define DEBUG_X(a) if (debug & 16384) a
1213 #define DEBUG_D(a) if (debug & 32768) a
1234 #define YYMAXDEPTH 300
1236 #ifndef assert /* <assert.h> might have been included somehow */
1237 #define assert(what) DEB( { \
1239 croak("Assertion failed: file \"%s\", line %d", \
1240 __FILE__, __LINE__); \
1246 I32 (*uf_val)_((IV, SV*));
1247 I32 (*uf_set)_((IV, SV*));
1251 /* Fix these up for __STDC__ */
1252 #ifndef DONT_DECLARE_STD
1253 char *mktemp _((char*));
1254 double atof _((const char*));
1258 /* All of these are in stdlib.h or time.h for ANSI C */
1260 struct tm *gmtime(), *localtime();
1261 char *strchr(), *strrchr();
1262 char *strcpy(), *strcat();
1263 #endif /* ! STANDARD_C */
1270 double exp _((double));
1271 double log _((double));
1272 double log10 _((double));
1273 double sqrt _((double));
1274 double frexp _((double,int*));
1275 double ldexp _((double,int));
1276 double modf _((double,double*));
1277 double sin _((double));
1278 double cos _((double));
1279 double atan2 _((double,double));
1280 double pow _((double,double));
1285 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1286 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1288 char *crypt _((const char*, const char*));
1290 #ifndef DONT_DECLARE_STD
1292 char *getenv _((const char*));
1294 Off_t lseek _((int,Off_t,int));
1296 char *getlogin _((void));
1299 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1300 #define UNLINK unlnk
1301 I32 unlnk _((char*));
1303 #define UNLINK unlink
1306 #ifndef HAS_SETREUID
1307 # ifdef HAS_SETRESUID
1308 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1309 # define HAS_SETREUID
1312 #ifndef HAS_SETREGID
1313 # ifdef HAS_SETRESGID
1314 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1315 # define HAS_SETREGID
1319 typedef Signal_t (*Sighandler_t) _((int));
1321 #ifdef HAS_SIGACTION
1322 typedef struct sigaction Sigsave_t;
1324 typedef Sighandler_t Sigsave_t;
1335 # define PAD_SV(po) pad_sv(po)
1336 # define RUNOPS_DEFAULT runops_debug
1338 # define PAD_SV(po) curpad[po]
1339 # define RUNOPS_DEFAULT runops_standard
1343 * These need prototyping here because <proto.h> isn't
1344 * included until after runops is initialised.
1347 int runops_standard _((void));
1349 int runops_debug _((void));
1352 #define PER_THREAD_MAGICALS "123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1359 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1361 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1362 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1363 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1364 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1365 EXT perl_cond eval_cond; /* Condition variable for doeval */
1366 EXT struct thread * eval_owner; /* Owner thread for doeval */
1367 EXT int nthreads; /* Number of threads currently */
1368 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1369 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1371 EXT struct thread * thr; /* Currently executing (fake) thread */
1373 #endif /* USE_THREADS */
1375 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1376 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1377 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun))
1378 extern char ** environ; /* environment variables supplied via exec */
1381 # if defined(NeXT) && defined(__DYNAMIC__)
1383 # include <mach-o/dyld.h>
1384 EXT char *** environ_pointer;
1385 # define environ (*environ_pointer)
1387 #endif /* environ processing */
1389 EXT int uid; /* current real user id */
1390 EXT int euid; /* current effective user id */
1391 EXT int gid; /* current real group id */
1392 EXT int egid; /* current effective group id */
1393 EXT bool nomemok; /* let malloc context handle nomem */
1394 EXT U32 an; /* malloc sequence number */
1395 EXT U32 cop_seqmax; /* statement sequence number */
1396 EXT U16 op_seqmax; /* op sequence number */
1397 EXT U32 evalseq; /* eval sequence number */
1398 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1399 EXT char ** origenviron;
1401 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1402 EXT U32 * profiledata;
1403 EXT int maxo INIT(MAXO);/* Number of ops */
1404 EXT char * osname; /* operating system */
1405 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1406 EXT Sighandler_t sighandlerp;
1408 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1409 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1410 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1411 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1412 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1413 EXT HE * he_root; /* free he list--shared by interpreters */
1414 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1415 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1417 /* Stack for currently executing thread--context switch must handle this. */
1418 EXT SV ** stack_base; /* stack->array_ary */
1419 EXT SV ** stack_sp; /* stack pointer now */
1420 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1422 /* likewise for these */
1424 #ifdef OP_IN_REGISTER
1425 EXT OP * opsave; /* save current op register across longjmps */
1427 EXT OP * op; /* current op--when not in a global register */
1429 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1430 EXT I32 * scopestack; /* blocks we've entered */
1431 EXT I32 scopestack_ix;
1432 EXT I32 scopestack_max;
1434 EXT ANY* savestack; /* to save non-local values on */
1435 EXT I32 savestack_ix;
1436 EXT I32 savestack_max;
1438 EXT OP ** retstack; /* returns we've pushed */
1439 EXT I32 retstack_ix;
1440 EXT I32 retstack_max;
1442 EXT I32 * markstack; /* stackmarks we're remembering */
1443 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1444 EXT I32 * markstack_max; /* stackmarks we're remembering */
1451 EXT char tokenbuf[256];
1452 EXT struct stat statbuf;
1454 EXT struct tms timesbuf;
1456 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1458 /* for tmp use in stupid debuggers */
1463 /* handy constants */
1464 EXTCONST char * Yes INIT("1");
1465 EXTCONST char * No INIT("");
1466 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1467 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1468 EXTCONST char * vert INIT("|");
1470 EXTCONST char warn_uninit[]
1471 INIT("Use of uninitialized value");
1472 EXTCONST char warn_nosemi[]
1473 INIT("Semicolon seems to be missing");
1474 EXTCONST char warn_reserved[]
1475 INIT("Unquoted string \"%s\" may clash with future reserved word");
1476 EXTCONST char warn_nl[]
1477 INIT("Unsuccessful %s on filename containing newline");
1478 EXTCONST char no_wrongref[]
1479 INIT("Can't use %s ref as %s ref");
1480 EXTCONST char no_symref[]
1481 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1482 EXTCONST char no_usym[]
1483 INIT("Can't use an undefined value as %s reference");
1484 EXTCONST char no_aelem[]
1485 INIT("Modification of non-creatable array value attempted, subscript %d");
1486 EXTCONST char no_helem[]
1487 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1488 EXTCONST char no_modify[]
1489 INIT("Modification of a read-only value attempted");
1490 EXTCONST char no_mem[]
1491 INIT("Out of memory!\n");
1492 EXTCONST char no_security[]
1493 INIT("Insecure dependency in %s%s");
1494 EXTCONST char no_sock_func[]
1495 INIT("Unsupported socket function \"%s\" called");
1496 EXTCONST char no_dir_func[]
1497 INIT("Unsupported directory function \"%s\" called");
1498 EXTCONST char no_func[]
1499 INIT("The %s function is unimplemented");
1500 EXTCONST char no_myglob[]
1501 INIT("\"my\" variable %s can't be in a package");
1507 EXT char * cshname INIT(CSH);
1512 EXT char *sig_name[] = { SIG_NAME };
1513 EXT int sig_num[] = { SIG_NUM };
1514 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1515 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1517 EXT char *sig_name[];
1519 EXT SV * psig_ptr[];
1520 EXT SV * psig_name[];
1523 /* fast case folding tables */
1526 EXTCONST unsigned char fold[] = {
1527 0, 1, 2, 3, 4, 5, 6, 7,
1528 8, 9, 10, 11, 12, 13, 14, 15,
1529 16, 17, 18, 19, 20, 21, 22, 23,
1530 24, 25, 26, 27, 28, 29, 30, 31,
1531 32, 33, 34, 35, 36, 37, 38, 39,
1532 40, 41, 42, 43, 44, 45, 46, 47,
1533 48, 49, 50, 51, 52, 53, 54, 55,
1534 56, 57, 58, 59, 60, 61, 62, 63,
1535 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1536 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1537 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1538 'x', 'y', 'z', 91, 92, 93, 94, 95,
1539 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1540 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1541 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1542 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1543 128, 129, 130, 131, 132, 133, 134, 135,
1544 136, 137, 138, 139, 140, 141, 142, 143,
1545 144, 145, 146, 147, 148, 149, 150, 151,
1546 152, 153, 154, 155, 156, 157, 158, 159,
1547 160, 161, 162, 163, 164, 165, 166, 167,
1548 168, 169, 170, 171, 172, 173, 174, 175,
1549 176, 177, 178, 179, 180, 181, 182, 183,
1550 184, 185, 186, 187, 188, 189, 190, 191,
1551 192, 193, 194, 195, 196, 197, 198, 199,
1552 200, 201, 202, 203, 204, 205, 206, 207,
1553 208, 209, 210, 211, 212, 213, 214, 215,
1554 216, 217, 218, 219, 220, 221, 222, 223,
1555 224, 225, 226, 227, 228, 229, 230, 231,
1556 232, 233, 234, 235, 236, 237, 238, 239,
1557 240, 241, 242, 243, 244, 245, 246, 247,
1558 248, 249, 250, 251, 252, 253, 254, 255
1561 EXTCONST unsigned char fold[];
1565 EXT unsigned char fold_locale[] = {
1566 0, 1, 2, 3, 4, 5, 6, 7,
1567 8, 9, 10, 11, 12, 13, 14, 15,
1568 16, 17, 18, 19, 20, 21, 22, 23,
1569 24, 25, 26, 27, 28, 29, 30, 31,
1570 32, 33, 34, 35, 36, 37, 38, 39,
1571 40, 41, 42, 43, 44, 45, 46, 47,
1572 48, 49, 50, 51, 52, 53, 54, 55,
1573 56, 57, 58, 59, 60, 61, 62, 63,
1574 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1575 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1576 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1577 'x', 'y', 'z', 91, 92, 93, 94, 95,
1578 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1579 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1580 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1581 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1582 128, 129, 130, 131, 132, 133, 134, 135,
1583 136, 137, 138, 139, 140, 141, 142, 143,
1584 144, 145, 146, 147, 148, 149, 150, 151,
1585 152, 153, 154, 155, 156, 157, 158, 159,
1586 160, 161, 162, 163, 164, 165, 166, 167,
1587 168, 169, 170, 171, 172, 173, 174, 175,
1588 176, 177, 178, 179, 180, 181, 182, 183,
1589 184, 185, 186, 187, 188, 189, 190, 191,
1590 192, 193, 194, 195, 196, 197, 198, 199,
1591 200, 201, 202, 203, 204, 205, 206, 207,
1592 208, 209, 210, 211, 212, 213, 214, 215,
1593 216, 217, 218, 219, 220, 221, 222, 223,
1594 224, 225, 226, 227, 228, 229, 230, 231,
1595 232, 233, 234, 235, 236, 237, 238, 239,
1596 240, 241, 242, 243, 244, 245, 246, 247,
1597 248, 249, 250, 251, 252, 253, 254, 255
1600 EXT unsigned char fold_locale[];
1604 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1605 1, 2, 84, 151, 154, 155, 156, 157,
1606 165, 246, 250, 3, 158, 7, 18, 29,
1607 40, 51, 62, 73, 85, 96, 107, 118,
1608 129, 140, 147, 148, 149, 150, 152, 153,
1609 255, 182, 224, 205, 174, 176, 180, 217,
1610 233, 232, 236, 187, 235, 228, 234, 226,
1611 222, 219, 211, 195, 188, 193, 185, 184,
1612 191, 183, 201, 229, 181, 220, 194, 162,
1613 163, 208, 186, 202, 200, 218, 198, 179,
1614 178, 214, 166, 170, 207, 199, 209, 206,
1615 204, 160, 212, 216, 215, 192, 175, 173,
1616 243, 172, 161, 190, 203, 189, 164, 230,
1617 167, 248, 227, 244, 242, 255, 241, 231,
1618 240, 253, 169, 210, 245, 237, 249, 247,
1619 239, 168, 252, 251, 254, 238, 223, 221,
1620 213, 225, 177, 197, 171, 196, 159, 4,
1621 5, 6, 8, 9, 10, 11, 12, 13,
1622 14, 15, 16, 17, 19, 20, 21, 22,
1623 23, 24, 25, 26, 27, 28, 30, 31,
1624 32, 33, 34, 35, 36, 37, 38, 39,
1625 41, 42, 43, 44, 45, 46, 47, 48,
1626 49, 50, 52, 53, 54, 55, 56, 57,
1627 58, 59, 60, 61, 63, 64, 65, 66,
1628 67, 68, 69, 70, 71, 72, 74, 75,
1629 76, 77, 78, 79, 80, 81, 82, 83,
1630 86, 87, 88, 89, 90, 91, 92, 93,
1631 94, 95, 97, 98, 99, 100, 101, 102,
1632 103, 104, 105, 106, 108, 109, 110, 111,
1633 112, 113, 114, 115, 116, 117, 119, 120,
1634 121, 122, 123, 124, 125, 126, 127, 128,
1635 130, 131, 132, 133, 134, 135, 136, 137,
1636 138, 139, 141, 142, 143, 144, 145, 146
1639 EXTCONST unsigned char freq[];
1644 EXTCONST char* block_type[] = {
1653 EXTCONST char* block_type[];
1657 /*****************************************************************************/
1658 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1659 /*****************************************************************************/
1660 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1664 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1675 EXT U32 lex_state; /* next token is determined */
1676 EXT U32 lex_defer; /* state after determined token */
1677 EXT expectation lex_expect; /* expect after determined token */
1678 EXT I32 lex_brackets; /* bracket count */
1679 EXT I32 lex_formbrack; /* bracket count at outer format level */
1680 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1681 EXT I32 lex_casemods; /* casemod count */
1682 EXT I32 lex_dojoin; /* doing an array interpolation */
1683 EXT I32 lex_starts; /* how many interps done on level */
1684 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1685 EXT SV * lex_repl; /* runtime replacement from s/// */
1686 EXT OP * lex_op; /* extra info to pass back on op */
1687 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1688 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1689 EXT char * lex_brackstack; /* what kind of brackets to pop */
1690 EXT char * lex_casestack; /* what kind of case mods in effect */
1692 /* What we know when we're in LEX_KNOWNEXT state. */
1693 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1694 EXT I32 nexttype[5]; /* type of next token */
1697 EXT PerlIO * VOL rsfp INIT(Nullfp);
1700 EXT char * oldbufptr;
1701 EXT char * oldoldbufptr;
1703 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1704 EXT AV * rsfp_filters;
1706 EXT I32 multi_start; /* 1st line of multi-line string */
1707 EXT I32 multi_end; /* last line of multi-line string */
1708 EXT I32 multi_open; /* delimiter of said string */
1709 EXT I32 multi_close; /* delimiter of said string */
1712 EXT I32 error_count; /* how many errors so far, max 10 */
1713 EXT I32 subline; /* line this subroutine began on */
1714 EXT SV * subname; /* name of current subroutine */
1716 EXT CV * compcv; /* currently compiling subroutine */
1717 EXT AV * comppad; /* storage for lexically scoped temporaries */
1718 EXT AV * comppad_name; /* variable names for "my" variables */
1719 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1720 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1721 EXT I32 min_intro_pending;/* start of vars to introduce */
1722 EXT I32 max_intro_pending;/* end of vars to introduce */
1723 EXT I32 padix; /* max used index in current "register" pad */
1724 EXT I32 padix_floor; /* how low may inner block reset padix */
1725 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1728 EXT I32 thisexpr; /* name id for nothing_in_common() */
1729 EXT char * last_uni; /* position of last named-unary operator */
1730 EXT char * last_lop; /* position of last list operator */
1731 EXT OPCODE last_lop_op; /* last list operator */
1732 EXT bool in_my; /* we're compiling a "my" declaration */
1733 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1735 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1738 EXT U32 hints; /* various compilation flags */
1740 /* Note: the lowest 8 bits are reserved for
1741 stuffing into op->op_private */
1742 #define HINT_INTEGER 0x00000001
1743 #define HINT_STRICT_REFS 0x00000002
1745 #define HINT_BLOCK_SCOPE 0x00000100
1746 #define HINT_STRICT_SUBS 0x00000200
1747 #define HINT_STRICT_VARS 0x00000400
1748 #define HINT_LOCALE 0x00000800
1750 /**************************************************************************/
1751 /* This regexp stuff is global since it always happens within 1 expr eval */
1752 /**************************************************************************/
1754 EXT char * regprecomp; /* uncompiled string. */
1755 EXT char * regparse; /* Input-scan pointer. */
1756 EXT char * regxend; /* End of input for compile */
1757 EXT I32 regnpar; /* () count. */
1758 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1759 EXT I32 regsize; /* Code size. */
1760 EXT I32 regnaughty; /* How bad is this pattern? */
1761 EXT I32 regsawback; /* Did we see \1, ...? */
1763 EXT char * reginput; /* String-input pointer. */
1764 EXT char * regbol; /* Beginning of input, for ^ check. */
1765 EXT char * regeol; /* End of input, for $ check. */
1766 EXT char ** regstartp; /* Pointer to startp array. */
1767 EXT char ** regendp; /* Ditto for endp. */
1768 EXT U32 * reglastparen; /* Similarly for lastparen. */
1769 EXT char * regtill; /* How far we are required to go. */
1770 EXT U16 regflags; /* are we folding, multilining? */
1771 EXT char regprev; /* char before regbol, \n if none */
1773 EXT bool do_undump; /* -u or dump seen? */
1776 /***********************************************/
1777 /* Global only to current interpreter instance */
1778 /***********************************************/
1783 struct interpreter {
1786 #define IINIT(x) INIT(x)
1789 /* pseudo environmental stuff */
1791 IEXT char ** Iorigargv;
1795 IEXT char * Iorigfilename;
1797 IEXT SV * Iwarnhook;
1798 IEXT SV * Iparsehook;
1800 /* Various states of an input record separator SV (rs, nrs) */
1801 #define RsSNARF(sv) (! SvOK(sv))
1802 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1803 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1808 IEXT char Ipatchlevel[10];
1809 IEXT char ** Ilocalpatches;
1811 IEXT char * Isplitstr IINIT(" ");
1812 IEXT bool Ipreprocess;
1818 IEXT bool Idoswitches;
1820 IEXT bool Idoextract;
1821 IEXT bool Isawampersand; /* must save all match strings */
1822 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1825 IEXT char * Iinplace;
1826 IEXT char * Ie_tmpname;
1827 IEXT PerlIO * Ie_fp;
1829 /* This value may be raised by extensions for testing purposes */
1830 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1832 /* magical thingies */
1833 IEXT Time_t Ibasetime; /* $^T */
1834 IEXT SV * Iformfeed; /* $^L */
1835 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1836 IEXT SV * Irs; /* $/ */
1837 IEXT char * Iofs; /* $, */
1838 IEXT STRLEN Iofslen;
1839 IEXT char * Iors; /* $\ */
1840 IEXT STRLEN Iorslen;
1841 IEXT char * Iofmt; /* $# */
1842 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1843 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1844 IEXT I32 Istatusvalue; /* $? */
1846 IEXT U32 Istatusvalue_vms;
1849 IEXT struct stat Istatcache; /* _ */
1851 IEXT SV * Istatname IINIT(Nullsv);
1853 /* shortcuts to various I/O objects */
1855 IEXT GV * Ilast_in_gv;
1858 IEXT GV * Idefoutgv;
1859 IEXT GV * Iargvoutgv;
1861 /* shortcuts to regexp stuff */
1865 IEXT PMOP * Icurpm; /* what to do \ interps from */
1866 IEXT I32 * Iscreamfirst;
1867 IEXT I32 * Iscreamnext;
1868 IEXT I32 Imaxscream IINIT(-1);
1869 IEXT SV * Ilastscream;
1871 /* shortcuts to misc objects */
1874 /* shortcuts to debugging objects */
1878 IEXT SV * IDBsingle;
1880 IEXT SV * IDBsignal;
1881 IEXT AV * Ilineary; /* lines of script for debugger */
1882 IEXT AV * Idbargs; /* args to call listed by caller function */
1885 IEXT HV * Idefstash; /* main symbol table */
1886 IEXT HV * Icurstash; /* symbol table for current package */
1887 IEXT HV * Idebstash; /* symbol table for perldb package */
1888 IEXT SV * Icurstname; /* name of current package */
1889 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1890 IEXT AV * Iendav; /* names of END subroutines */
1891 IEXT AV * Iinitav; /* names of INIT subroutines */
1892 IEXT HV * Istrtab; /* shared string table */
1894 /* memory management */
1895 IEXT SV ** Itmps_stack;
1896 IEXT I32 Itmps_ix IINIT(-1);
1897 IEXT I32 Itmps_floor IINIT(-1);
1899 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1900 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1901 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1902 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1904 /* funky return mechanisms */
1905 IEXT I32 Ilastspbase;
1907 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1909 /* subprocess state */
1910 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1912 /* internal state */
1913 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1914 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1915 IEXT int Idelaymagic; /* ($<,$>) = ... */
1916 IEXT bool Idirty; /* In the middle of tearing things down? */
1917 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1918 IEXT bool Itainted; /* using variables controlled by $< */
1919 IEXT bool Itainting; /* doing taint checks */
1920 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1924 IEXT I32 Idlmax IINIT(128);
1925 IEXT char * Idebname;
1926 IEXT char * Idebdelim;
1928 /* current interpreter roots */
1930 IEXT OP * Imain_root;
1931 IEXT OP * Imain_start;
1932 IEXT OP * Ieval_root;
1933 IEXT OP * Ieval_start;
1935 /* runtime control stuff */
1936 IEXT COP * VOL Icurcop IINIT(&compiling);
1937 IEXT COP * Icurcopdb IINIT(NULL);
1938 IEXT line_t Icopline IINIT(NOLINE);
1939 IEXT CONTEXT * Icxstack;
1940 IEXT I32 Icxstack_ix IINIT(-1);
1941 IEXT I32 Icxstack_max IINIT(128);
1942 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1943 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1947 IEXT AV * Icurstack; /* THE STACK */
1948 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1950 /* format accumulators */
1951 IEXT SV * Iformtarget;
1952 IEXT SV * Ibodytarget;
1953 IEXT SV * Itoptarget;
1955 /* statics moved here for shared library purposes */
1956 IEXT SV Istrchop; /* return value from chop */
1957 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1958 IEXT int Ilastfd; /* what to preserve mode on */
1959 IEXT char * Ioldname; /* what to preserve mode on */
1960 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1961 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1962 IEXT OP * Isortcop; /* user defined sort routine */
1963 IEXT HV * Isortstash; /* which is in some package or other */
1964 IEXT GV * Ifirstgv; /* $a */
1965 IEXT GV * Isecondgv; /* $b */
1966 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1967 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1968 IEXT SV * Imystrk; /* temp key string for do_each() */
1969 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1970 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1971 IEXT I32 Igensym; /* next symbol for getsym() to define */
1972 IEXT bool Ipreambled;
1973 IEXT AV * Ipreambleav;
1974 IEXT int Ilaststatval IINIT(-1);
1975 IEXT I32 Ilaststype IINIT(OP_STAT);
1980 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1981 #endif /* USE_THREADS */
1989 struct interpreter {
2001 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
2002 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
2004 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
2005 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2010 /* The following must follow proto.h */
2014 EXT MGVTBL vtbl_sv = {magic_get,
2018 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2019 0, magic_clear_all_env,
2021 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2024 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2025 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2029 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2031 EXT MGVTBL vtbl_packelem = {magic_getpack,
2035 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2037 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2040 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2042 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2045 EXT MGVTBL vtbl_glob = {magic_getglob,
2048 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2050 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2052 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2054 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2056 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2058 EXT MGVTBL vtbl_pos = {magic_getpos,
2061 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2063 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2065 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2069 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2070 #endif /* USE_THREADS */
2071 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2072 0, 0, magic_freedefelem};
2074 #ifdef USE_LOCALE_COLLATE
2075 EXT MGVTBL vtbl_collxfrm = {0,
2081 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2082 0, 0, magic_setamagic};
2083 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2084 0, 0, magic_setamagic};
2085 #endif /* OVERLOAD */
2090 EXT MGVTBL vtbl_env;
2091 EXT MGVTBL vtbl_envelem;
2092 EXT MGVTBL vtbl_sig;
2093 EXT MGVTBL vtbl_sigelem;
2094 EXT MGVTBL vtbl_pack;
2095 EXT MGVTBL vtbl_packelem;
2096 EXT MGVTBL vtbl_dbline;
2097 EXT MGVTBL vtbl_isa;
2098 EXT MGVTBL vtbl_isaelem;
2099 EXT MGVTBL vtbl_arylen;
2100 EXT MGVTBL vtbl_glob;
2101 EXT MGVTBL vtbl_mglob;
2102 EXT MGVTBL vtbl_nkeys;
2103 EXT MGVTBL vtbl_taint;
2104 EXT MGVTBL vtbl_substr;
2105 EXT MGVTBL vtbl_vec;
2106 EXT MGVTBL vtbl_pos;
2109 EXT MGVTBL vtbl_uvar;
2112 EXT MGVTBL vtbl_mutex;
2113 #endif /* USE_THREADS */
2115 EXT MGVTBL vtbl_defelem;
2117 #ifdef USE_LOCALE_COLLATE
2118 EXT MGVTBL vtbl_collxfrm;
2122 EXT MGVTBL vtbl_amagic;
2123 EXT MGVTBL vtbl_amagicelem;
2124 #endif /* OVERLOAD */
2126 #endif /* !DOINIT */
2130 EXT long amagic_generation;
2132 #define NofAMmeth 58
2134 EXTCONST char * AMG_names[NofAMmeth] = {
2135 "fallback", "abs", /* "fallback" should be the first. */
2166 EXTCONST char * AMG_names[NofAMmeth];
2167 #endif /* def INITAMAGIC */
2173 CV* table[NofAMmeth];
2176 struct am_table_short {
2181 typedef struct am_table AMT;
2182 typedef struct am_table_short AMTS;
2184 #define AMGfallNEVER 1
2186 #define AMGfallYES 3
2188 #define AMTf_AMAGIC 1
2189 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2190 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2191 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2194 fallback_amg, abs_amg,
2195 bool__amg, nomethod_amg,
2196 string_amg, numer_amg,
2197 add_amg, add_ass_amg,
2198 subtr_amg, subtr_ass_amg,
2199 mult_amg, mult_ass_amg,
2200 div_amg, div_ass_amg,
2201 mod_amg, mod_ass_amg,
2202 pow_amg, pow_ass_amg,
2203 lshift_amg, lshift_ass_amg,
2204 rshift_amg, rshift_ass_amg,
2205 band_amg, band_ass_amg,
2206 bor_amg, bor_ass_amg,
2207 bxor_amg, bxor_ass_amg,
2220 repeat_amg, repeat_ass_amg,
2221 concat_amg, concat_ass_amg,
2226 * some compilers like to redefine cos et alia as faster
2227 * (and less accurate?) versions called F_cos et cetera (Quidquid
2228 * latine dictum sit, altum viditur.) This trick collides with
2229 * the Perl overloading (amg). The following #defines fool both.
2234 # define F_atan2_amg atan2_amg
2237 # define F_cos_amg cos_amg
2240 # define F_exp_amg exp_amg
2243 # define F_log_amg log_amg
2246 # define F_pow_amg pow_amg
2249 # define F_sin_amg sin_amg
2252 # define F_sqrt_amg sqrt_amg
2254 #endif /* _FASTMATH */
2256 #endif /* OVERLOAD */
2258 #define PERLDB_ALL 0xff
2259 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2260 #define PERLDBf_LINE 0x02 /* Keep line #. */
2261 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2262 #define PERLDBf_INTER 0x08 /* Preserve more data for
2263 later inspections. */
2264 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2265 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2267 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2268 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2269 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2270 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2271 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2272 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2274 #ifdef USE_LOCALE_COLLATE
2275 EXT U32 collation_ix; /* Collation generation index */
2276 EXT char * collation_name; /* Name of current collation */
2277 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2278 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2279 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2280 #endif /* USE_LOCALE_COLLATE */
2282 #ifdef USE_LOCALE_NUMERIC
2284 EXT char * numeric_name; /* Name of current numeric locale */
2285 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2286 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2288 #define SET_NUMERIC_STANDARD() \
2290 if (! numeric_standard) \
2291 perl_set_numeric_standard(); \
2294 #define SET_NUMERIC_LOCAL() \
2296 if (! numeric_local) \
2297 perl_set_numeric_local(); \
2300 #else /* !USE_LOCALE_NUMERIC */
2302 #define SET_NUMERIC_STANDARD() /**/
2303 #define SET_NUMERIC_LOCAL() /**/
2305 #endif /* !USE_LOCALE_NUMERIC */
2307 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2309 * Now we have __attribute__ out of the way
2312 #define printf PerlIO_stdoutf
2316 * nice_chunk and nice_chunk size need to be set
2317 * and queried under the protection of sv_mutex
2319 #define offer_nice_chunk(chunk, chunk_size) do { \
2320 MUTEX_LOCK(&sv_mutex); \
2321 if (!nice_chunk) { \
2322 nice_chunk = (char*)(chunk); \
2323 nice_chunk_size = (chunk_size); \
2325 MUTEX_UNLOCK(&sv_mutex); \
2328 #endif /* Include guard */