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
47 # define stringify_immed(s) #s
48 # define stringify(s) stringify_immed(s)
49 register struct op *op asm(stringify(OP_IN_REGISTER));
54 * STMT_START { statements; } STMT_END;
55 * can be used as a single statement, as in
56 * if (x) STMT_START { ... } STMT_END; else ...
58 * Trying to select a version that gives no warnings...
60 #if !(defined(STMT_START) && defined(STMT_END))
61 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
62 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
65 /* Now which other defined()s do we need here ??? */
66 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
67 # define STMT_START if (1)
68 # define STMT_END else (void)0
70 # define STMT_START do
71 # define STMT_END while (0)
78 #define WITH_THR(s) do { dTHR; s; } while (0)
81 * SOFT_CAST can be used for args to prototyped functions to retain some
82 * type checking; it only casts if the compiler does not know prototypes.
84 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
85 #define SOFT_CAST(type)
87 #define SOFT_CAST(type) (type)
91 # define BYTEORDER 0x1234
94 /* Overall memory policy? */
100 * The following contortions are brought to you on behalf of all the
101 * standards, semi-standards, de facto standards, not-so-de-facto standards
102 * of the world, as well as all the other botches anyone ever thought of.
103 * The basic theory is that if we work hard enough here, the rest of the
104 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
107 /* define this once if either system, instead of cluttering up the src */
108 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
112 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
113 # define STANDARD_C 1
116 #if defined(__cplusplus) || defined(WIN32) || defined(__sgi)
117 # define DONT_DECLARE_STD 1
120 #if defined(HASVOLATILE) || defined(STANDARD_C)
122 # define VOL // to temporarily suppress warnings
124 # define VOL volatile
130 #define TAINT (tainted = TRUE)
131 #define TAINT_NOT (tainted = FALSE)
132 #define TAINT_IF(c) if (c) { tainted = TRUE; }
133 #define TAINT_ENV() if (tainting) { taint_env(); }
134 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
136 /* XXX All process group stuff is handled in pp_sys.c. Should these
137 defines move there? If so, I could simplify this a lot. --AD 9/96.
139 /* Process group stuff changed from traditional BSD to POSIX.
140 perlfunc.pod documents the traditional BSD-style syntax, so we'll
141 try to preserve that, if possible.
144 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
146 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
147 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
149 # ifdef HAS_SETPGRP2 /* DG/UX */
150 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
154 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
155 # define HAS_SETPGRP /* Well, effectively it does . . . */
158 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
159 our life easier :-) so we'll try it.
162 # define BSD_GETPGRP(pid) getpgid((pid))
164 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
165 # define BSD_GETPGRP(pid) getpgrp((pid))
167 # ifdef HAS_GETPGRP2 /* DG/UX */
168 # define BSD_GETPGRP(pid) getpgrp2((pid))
172 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
173 # define HAS_GETPGRP /* Well, effectively it does . . . */
176 /* These are not exact synonyms, since setpgrp() and getpgrp() may
177 have different behaviors, but perl.h used to define USE_BSDPGRP
178 (prior to 5.003_05) so some extension might depend on it.
180 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
186 #ifndef _TYPES_ /* If types.h defines this it's easy. */
187 # ifndef major /* Does everyone's types.h define this? */
188 # include <sys/types.h>
202 # include <varargs.h>
208 #ifdef USE_NEXT_CTYPE
210 #if NX_CURRENT_COMPILER_RELEASE >= 400
211 #include <objc/NXCType.h>
212 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
213 #include <appkit/NXCType.h>
214 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
216 #else /* !USE_NEXT_CTYPE */
218 #endif /* USE_NEXT_CTYPE */
220 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
228 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
230 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
231 && defined(HAS_STRXFRM)
232 # define USE_LOCALE_COLLATE
234 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
235 # define USE_LOCALE_CTYPE
237 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
238 # define USE_LOCALE_NUMERIC
240 #endif /* !NO_LOCALE && HAS_SETLOCALE */
245 # ifdef PARAM_NEEDS_TYPES
246 # include <sys/types.h>
248 # include <sys/param.h>
252 /* Use all the "standard" definitions? */
253 #if defined(STANDARD_C) && defined(I_STDLIB)
257 #define MEM_SIZE Size_t
259 /* This comes after <stdlib.h> so we don't try to change the standard
260 * library prototypes; we'll use our own in proto.h instead. */
265 # define malloc Mymalloc
266 # define calloc Mycalloc
267 # define realloc Myremalloc
269 Malloc_t Mymalloc _((MEM_SIZE nbytes));
270 Malloc_t Mycalloc _((MEM_SIZE elements, MEM_SIZE size));
271 Malloc_t Myrealloc _((Malloc_t where, MEM_SIZE nbytes));
272 Free_t Myfree _((Malloc_t where));
274 # ifdef EMBEDMYMALLOC
275 # define malloc Perl_malloc
276 # define calloc Perl_calloc
277 # define realloc Perl_realloc
278 # define free Perl_free
279 Malloc_t Perl_malloc _((MEM_SIZE nbytes));
280 Malloc_t Perl_calloc _((MEM_SIZE elements, MEM_SIZE size));
281 Malloc_t Perl_realloc _((Malloc_t where, MEM_SIZE nbytes));
282 Free_t Perl_free _((Malloc_t where));
289 # define safemalloc malloc
290 # define safecalloc calloc
291 # define saferealloc realloc
292 # define safefree free
294 #endif /* MYMALLOC */
296 #if defined(STANDARD_C) && defined(I_STDDEF)
298 # define STRUCT_OFFSET(s,m) offsetof(s,m)
300 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
303 #if defined(I_STRING) || defined(__cplusplus)
306 # include <strings.h>
309 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
311 #define strrchr rindex
319 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
321 extern char * memcpy _((char*, char*, int));
327 # define memcpy(d,s,l) bcopy(s,d,l)
329 # define memcpy(d,s,l) my_bcopy(s,d,l)
332 #endif /* HAS_MEMCPY */
335 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
337 extern char *memset _((char*, int, int));
341 # define memset(d,c,l) my_memset(d,c,l)
342 #endif /* HAS_MEMSET */
344 #if !defined(HAS_MEMMOVE) && !defined(memmove)
345 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
346 # define memmove(d,s,l) bcopy(s,d,l)
348 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
349 # define memmove(d,s,l) memcpy(d,s,l)
351 # define memmove(d,s,l) my_bcopy(s,d,l)
356 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
360 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
361 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
363 extern int memcmp _((char*, char*, int));
367 # pragma function(memcmp)
371 # define memcmp my_memcmp
373 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
377 # define memzero(d,l) memset(d,0,l)
380 # define memzero(d,l) bzero(d,l)
382 # define memzero(d,l) my_bzero(d,l)
389 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
391 #endif /* !HAS_BCMP */
394 # include <netinet/in.h>
397 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
398 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
399 * (the neo-BSD seem to do this). */
404 # include <sys/stat.h>
407 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
408 like UTekV) are broken, sometimes giving false positives. Undefine
409 them here and let the code below set them to proper values.
411 The ghs macro stands for GreenHills Software C-1.8.5 which
412 is the C compiler for sysV88 and the various derivatives.
413 This header file bug is corrected in gcc-2.5.8 and later versions.
414 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
416 #if defined(uts) || (defined(m88k) && defined(ghs))
430 # ifdef I_SYS_TIME_KERNEL
433 # include <sys/time.h>
434 # ifdef I_SYS_TIME_KERNEL
439 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
440 # include <sys/times.h>
443 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
449 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
451 #endif /* !HAS_MKFIFO */
456 # include <net/errno.h>
461 # define SETERRNO(errcode,vmserrcode) \
463 set_errno(errcode); \
464 set_vaxc_errno(vmserrcode); \
467 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
471 # define ERRSV (thr->errsv)
472 # define ERRHV (thr->errhv)
473 # define DEFSV *av_fetch(thr->threadsv, find_threadsv("_"), FALSE)
474 # define SAVE_DEFSV save_threadsv(find_threadsv("_"))
476 # define ERRSV GvSV(errgv)
477 # define ERRHV GvHV(errgv)
478 # define DEFSV GvSV(defgv)
479 # define SAVE_DEFSV SAVESPTR(GvSV(defgv))
480 #endif /* USE_THREADS */
483 extern int errno; /* ANSI allows errno to be an lvalue expr */
488 char *strerror _((int,...));
490 #ifndef DONT_DECLARE_STD
491 char *strerror _((int));
495 # define Strerror strerror
498 # ifdef HAS_SYS_ERRLIST
500 extern char *sys_errlist[];
502 # define Strerror(e) \
503 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
510 # include <sys/ioctl.h>
514 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
515 # ifdef HAS_SOCKETPAIR
516 # undef HAS_SOCKETPAIR
531 /* Configure already sets Direntry_t */
532 #if defined(I_DIRENT)
534 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
535 # include <sys/dir.h>
539 # include <sys/ndir.h>
543 # include <ndir.h> /* may be wrong in the future */
545 # include <sys/dir.h>
552 /* work around botch in SunOS 4.0.1 and 4.0.2 */
554 # define fputs(sv,fp) fprintf(fp,"%s",sv)
559 * The following gobbledygook brought to you on behalf of __STDC__.
560 * (I could just use #ifndef __STDC__, but this is more bulletproof
561 * in the face of half-implementations.)
566 # define S_IFMT _S_IFMT
568 # define S_IFMT 0170000
573 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
577 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
582 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
584 # define S_ISBLK(m) (0)
589 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
594 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
596 # define S_ISFIFO(m) (0)
602 # define S_ISLNK(m) _S_ISLNK(m)
605 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
608 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
610 # define S_ISLNK(m) (0)
618 # define S_ISSOCK(m) _S_ISSOCK(m)
621 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
624 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
626 # define S_ISSOCK(m) (0)
634 # define S_IRUSR S_IREAD
635 # define S_IWUSR S_IWRITE
636 # define S_IXUSR S_IEXEC
638 # define S_IRUSR 0400
639 # define S_IWUSR 0200
640 # define S_IXUSR 0100
642 # define S_IRGRP (S_IRUSR>>3)
643 # define S_IWGRP (S_IWUSR>>3)
644 # define S_IXGRP (S_IXUSR>>3)
645 # define S_IROTH (S_IRUSR>>6)
646 # define S_IWOTH (S_IWUSR>>6)
647 # define S_IXOTH (S_IXUSR>>6)
651 # define S_ISUID 04000
655 # define S_ISGID 02000
662 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
663 # define SLOPPYDIVIDE
670 /* XXX QUAD stuff is not currently supported on most systems.
671 Specifically, perl internals don't support long long. Among
672 the many problems is that some compilers support long long,
673 but the underlying library functions (such as sprintf) don't.
674 Some things do work (such as quad pack/unpack on convex);
675 also some systems use long long for the fpos_t typedef. That
678 The IV type is supposed to be long enough to hold any integral
680 --Andy Dougherty August 1996
687 # define Quad_t long long
689 # if BYTEORDER > 0xFFFF
698 typedef unsigned Quad_t UV;
699 # define IV_MAX PERL_QUAD_MAX
700 # define IV_MIN PERL_QUAD_MIN
701 # define UV_MAX PERL_UQUAD_MAX
702 # define UV_MIN PERL_UQUAD_MIN
705 typedef unsigned long UV;
706 # define IV_MAX PERL_LONG_MAX
707 # define IV_MIN PERL_LONG_MIN
708 # define UV_MAX PERL_ULONG_MAX
709 # define UV_MIN PERL_ULONG_MIN
712 /* Previously these definitions used hardcoded figures.
713 * It is hoped these formula are more portable, although
714 * no data one way or another is presently known to me.
715 * The "PERL_" names are used because these calculated constants
716 * do not meet the ANSI requirements for LONG_MAX, etc., which
717 * need to be constants acceptable to #if - kja
718 * define PERL_LONG_MAX 2147483647L
719 * define PERL_LONG_MIN (-LONG_MAX - 1)
720 * define PERL ULONG_MAX 4294967295L
723 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
732 * Try to figure out max and min values for the integral types. THE CORRECT
733 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
734 * following hacks are used if neither limits.h or values.h provide them:
735 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
736 * for types < int: (unsigned TYPE)~(unsigned)0
737 * The argument to ~ must be unsigned so that later signed->unsigned
738 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
739 * and it must not be smaller than int because ~ does integral promotion.
740 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
741 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
742 * The latter is a hack which happens to work on some machines but
743 * does *not* catch any random system, or things like integer types
744 * with NaN if that is possible.
746 * All of the types are explicitly cast to prevent accidental loss of
747 * numeric range, and in the hope that they will be less likely to confuse
748 * over-eager optimizers.
752 #define PERL_UCHAR_MIN ((unsigned char)0)
755 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
758 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
760 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
765 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
766 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
767 * depending on local options. Until Configure detects this (or at least
768 * detects whether the "signed" keyword is available) the CHAR ranges
769 * will not be included. UCHAR functions normally.
773 #define PERL_USHORT_MIN ((unsigned short)0)
776 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
779 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
781 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
786 # define PERL_SHORT_MAX ((short)SHORT_MAX)
788 # ifdef MAXSHORT /* Often used in <values.h> */
789 # define PERL_SHORT_MAX ((short)MAXSHORT)
791 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
796 # define PERL_SHORT_MIN ((short)SHORT_MIN)
799 # define PERL_SHORT_MIN ((short)MINSHORT)
801 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
806 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
809 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
811 # define PERL_UINT_MAX (~(unsigned int)0)
815 #define PERL_UINT_MIN ((unsigned int)0)
818 # define PERL_INT_MAX ((int)INT_MAX)
820 # ifdef MAXINT /* Often used in <values.h> */
821 # define PERL_INT_MAX ((int)MAXINT)
823 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
828 # define PERL_INT_MIN ((int)INT_MIN)
831 # define PERL_INT_MIN ((int)MININT)
833 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
838 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
841 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
843 # define PERL_ULONG_MAX (~(unsigned long)0)
847 #define PERL_ULONG_MIN ((unsigned long)0L)
850 # define PERL_LONG_MAX ((long)LONG_MAX)
852 # ifdef MAXLONG /* Often used in <values.h> */
853 # define PERL_LONG_MAX ((long)MAXLONG)
855 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
860 # define PERL_LONG_MIN ((long)LONG_MIN)
863 # define PERL_LONG_MIN ((long)MINLONG)
865 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
872 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
874 # define PERL_UQUAD_MAX (~(UV)0)
877 # define PERL_UQUAD_MIN ((UV)0)
880 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
882 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
886 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
888 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
893 typedef MEM_SIZE STRLEN;
895 typedef struct op OP;
896 typedef struct cop COP;
897 typedef struct unop UNOP;
898 typedef struct binop BINOP;
899 typedef struct listop LISTOP;
900 typedef struct logop LOGOP;
901 typedef struct condop CONDOP;
902 typedef struct pmop PMOP;
903 typedef struct svop SVOP;
904 typedef struct gvop GVOP;
905 typedef struct pvop PVOP;
906 typedef struct loop LOOP;
908 typedef struct Outrec Outrec;
909 typedef struct interpreter PerlInterpreter;
911 typedef struct ff FF; /* XXX not defined anywhere, should go? */
913 typedef struct sv SV;
914 typedef struct av AV;
915 typedef struct hv HV;
916 typedef struct cv CV;
917 typedef struct regexp REGEXP;
918 typedef struct gp GP;
919 typedef struct gv GV;
920 typedef struct io IO;
921 typedef struct context PERL_CONTEXT;
922 typedef struct block BLOCK;
924 typedef struct magic MAGIC;
925 typedef struct xrv XRV;
926 typedef struct xpv XPV;
927 typedef struct xpviv XPVIV;
928 typedef struct xpvuv XPVUV;
929 typedef struct xpvnv XPVNV;
930 typedef struct xpvmg XPVMG;
931 typedef struct xpvlv XPVLV;
932 typedef struct xpvav XPVAV;
933 typedef struct xpvhv XPVHV;
934 typedef struct xpvgv XPVGV;
935 typedef struct xpvcv XPVCV;
936 typedef struct xpvbm XPVBM;
937 typedef struct xpvfm XPVFM;
938 typedef struct xpvio XPVIO;
939 typedef struct mgvtbl MGVTBL;
940 typedef union any ANY;
944 typedef I32 (*filter_t) _((int, SV *, int));
945 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
946 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
947 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
960 # include "./plan9/plan9ish.h"
962 # include "unixish.h"
968 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
969 * which defines NSIG - which will stop inclusion of <signal.h>
970 * this results in many functions being undeclared which bothers C++
971 * May make sense to have threads after "*ish.h" anyway
976 # include "fakethr.h"
979 # include <win32thread.h>
981 # include <pthread.h>
982 typedef pthread_mutex_t perl_mutex;
983 typedef pthread_cond_t perl_cond;
984 typedef pthread_key_t perl_key;
986 # endif /* FAKE_THREADS */
987 #endif /* USE_THREADS */
992 # define STATUS_NATIVE statusvalue_vms
993 # define STATUS_NATIVE_EXPORT \
994 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
995 # define STATUS_NATIVE_SET(n) \
997 statusvalue_vms = (n); \
998 if ((I32)statusvalue_vms == -1) \
1000 else if (statusvalue_vms & STS$M_SUCCESS) \
1002 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
1003 statusvalue = 1 << 8; \
1005 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
1007 # define STATUS_POSIX statusvalue
1008 # ifdef VMSISH_STATUS
1009 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1011 # define STATUS_CURRENT STATUS_POSIX
1013 # define STATUS_POSIX_SET(n) \
1015 statusvalue = (n); \
1016 if (statusvalue != -1) { \
1017 statusvalue &= 0xFFFF; \
1018 statusvalue_vms = statusvalue ? 44 : 1; \
1020 else statusvalue_vms = -1; \
1022 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1023 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1025 # define STATUS_NATIVE STATUS_POSIX
1026 # define STATUS_NATIVE_EXPORT STATUS_POSIX
1027 # define STATUS_NATIVE_SET STATUS_POSIX_SET
1028 # define STATUS_POSIX statusvalue
1029 # define STATUS_POSIX_SET(n) \
1031 statusvalue = (n); \
1032 if (statusvalue != -1) \
1033 statusvalue &= 0xFFFF; \
1035 # define STATUS_CURRENT STATUS_POSIX
1036 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1037 # define STATUS_ALL_FAILURE (statusvalue = 1)
1040 /* Some unistd.h's give a prototype for pause() even though
1041 HAS_PAUSE ends up undefined. This causes the #define
1042 below to be rejected by the compmiler. Sigh.
1047 #define Pause() sleep((32767<<16)+32767)
1051 # ifdef IOCPARM_MASK
1052 /* on BSDish systes we're safe */
1053 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1055 /* otherwise guess at what's safe */
1056 # define IOCPARM_LEN(x) 256
1065 void (*any_dptr) _((void*));
1069 #define ARGSproto struct perl_thread *thr
1071 #define ARGSproto void
1072 #endif /* USE_THREADS */
1074 /* Work around some cygwin32 problems with importing global symbols */
1075 #if defined(CYGWIN32) && defined(DLLIMPORT)
1076 # include "cw32imp.h"
1093 /* work around some libPW problems */
1098 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1102 #if defined(htonl) && !defined(HAS_HTONL)
1105 #if defined(htons) && !defined(HAS_HTONS)
1108 #if defined(ntohl) && !defined(HAS_NTOHL)
1111 #if defined(ntohs) && !defined(HAS_NTOHS)
1115 #if (BYTEORDER & 0xffff) != 0x4321
1121 #define htons my_swap
1122 #define htonl my_htonl
1123 #define ntohs my_swap
1124 #define ntohl my_ntohl
1127 #if (BYTEORDER & 0xffff) == 0x4321
1136 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1139 #if BYTEORDER != 0x1234
1144 # if BYTEORDER == 0x4321
1145 # define vtohl(x) ((((x)&0xFF)<<24) \
1147 +(((x)&0x0000FF00)<<8) \
1148 +(((x)&0x00FF0000)>>8) )
1149 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1150 # define htovl(x) vtohl(x)
1151 # define htovs(x) vtohs(x)
1153 /* otherwise default to functions in util.c */
1157 #define U_S(what) ((U16)(what))
1158 #define U_I(what) ((unsigned int)(what))
1159 #define U_L(what) ((U32)(what))
1161 EXTERN_C U32 cast_ulong _((double));
1162 #define U_S(what) ((U16)cast_ulong((double)(what)))
1163 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1164 #define U_L(what) (cast_ulong((double)(what)))
1168 #define I_32(what) ((I32)(what))
1169 #define I_V(what) ((IV)(what))
1170 #define U_V(what) ((UV)(what))
1173 I32 cast_i32 _((double));
1174 IV cast_iv _((double));
1175 UV cast_uv _((double));
1177 #define I_32(what) (cast_i32((double)(what)))
1178 #define I_V(what) (cast_iv((double)(what)))
1179 #define U_V(what) (cast_uv((double)(what)))
1193 # define TMPPATH "/tmp/perl-eXXXXXX"
1197 Uid_t getuid _((void));
1198 Uid_t geteuid _((void));
1199 Gid_t getgid _((void));
1200 Gid_t getegid _((void));
1204 #ifndef Perl_debug_log
1205 #define Perl_debug_log PerlIO_stderr()
1209 #define DEBUG(a) if (debug) a
1210 #define DEBUG_p(a) if (debug & 1) a
1211 #define DEBUG_s(a) if (debug & 2) a
1212 #define DEBUG_l(a) if (debug & 4) a
1213 #define DEBUG_t(a) if (debug & 8) a
1214 #define DEBUG_o(a) if (debug & 16) a
1215 #define DEBUG_c(a) if (debug & 32) a
1216 #define DEBUG_P(a) if (debug & 64) a
1217 #define DEBUG_m(a) if (curinterp && debug & 128) a
1218 #define DEBUG_f(a) if (debug & 256) a
1219 #define DEBUG_r(a) if (debug & 512) a
1220 #define DEBUG_x(a) if (debug & 1024) a
1221 #define DEBUG_u(a) if (debug & 2048) a
1222 #define DEBUG_L(a) if (debug & 4096) a
1223 #define DEBUG_H(a) if (debug & 8192) a
1224 #define DEBUG_X(a) if (debug & 16384) a
1225 #define DEBUG_D(a) if (debug & 32768) a
1246 #define YYMAXDEPTH 300
1248 #ifndef assert /* <assert.h> might have been included somehow */
1249 #define assert(what) DEB( { \
1251 croak("Assertion failed: file \"%s\", line %d", \
1252 __FILE__, __LINE__); \
1258 I32 (*uf_val)_((IV, SV*));
1259 I32 (*uf_set)_((IV, SV*));
1263 /* Fix these up for __STDC__ */
1264 #ifndef DONT_DECLARE_STD
1265 char *mktemp _((char*));
1266 double atof _((const char*));
1270 /* All of these are in stdlib.h or time.h for ANSI C */
1272 struct tm *gmtime(), *localtime();
1273 char *strchr(), *strrchr();
1274 char *strcpy(), *strcat();
1275 #endif /* ! STANDARD_C */
1282 double exp _((double));
1283 double log _((double));
1284 double log10 _((double));
1285 double sqrt _((double));
1286 double frexp _((double,int*));
1287 double ldexp _((double,int));
1288 double modf _((double,double*));
1289 double sin _((double));
1290 double cos _((double));
1291 double atan2 _((double,double));
1292 double pow _((double,double));
1297 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1298 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1300 char *crypt _((const char*, const char*));
1302 #ifndef DONT_DECLARE_STD
1304 char *getenv _((const char*));
1306 Off_t lseek _((int,Off_t,int));
1308 char *getlogin _((void));
1311 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1312 #define UNLINK unlnk
1313 I32 unlnk _((char*));
1315 #define UNLINK unlink
1318 #ifndef HAS_SETREUID
1319 # ifdef HAS_SETRESUID
1320 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1321 # define HAS_SETREUID
1324 #ifndef HAS_SETREGID
1325 # ifdef HAS_SETRESGID
1326 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1327 # define HAS_SETREGID
1331 typedef Signal_t (*Sighandler_t) _((int));
1333 #ifdef HAS_SIGACTION
1334 typedef struct sigaction Sigsave_t;
1336 typedef Sighandler_t Sigsave_t;
1347 # define PAD_SV(po) pad_sv(po)
1348 # define RUNOPS_DEFAULT runops_debug
1350 # define PAD_SV(po) curpad[po]
1351 # define RUNOPS_DEFAULT runops_standard
1355 # define MALLOC_INIT MUTEX_INIT(&malloc_mutex)
1356 # define MALLOC_TERM MUTEX_DESTROY(&malloc_mutex)
1358 # define MALLOC_INIT
1359 # define MALLOC_TERM
1363 * These need prototyping here because <proto.h> isn't
1364 * included until after runops is initialised.
1367 int runops_standard _((void));
1369 int runops_debug _((void));
1372 #define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1379 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1381 EXT perl_key thr_key; /* For per-thread struct perl_thread* */
1382 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1383 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1384 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1385 EXT perl_cond eval_cond; /* Condition variable for doeval */
1386 EXT struct perl_thread * eval_owner; /* Owner thread for doeval */
1387 EXT int nthreads; /* Number of threads currently */
1388 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1389 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1390 EXT char * threadsv_names INIT(THREADSV_NAMES);
1392 EXT struct perl_thread * thr; /* Currently executing (fake) thread */
1394 #endif /* USE_THREADS */
1396 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1397 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1398 #if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun)) || defined(__sgi)
1399 extern char ** environ; /* environment variables supplied via exec */
1402 # if defined(NeXT) && defined(__DYNAMIC__)
1404 # include <mach-o/dyld.h>
1405 EXT char *** environ_pointer;
1406 # define environ (*environ_pointer)
1408 #endif /* environ processing */
1410 EXT int uid; /* current real user id */
1411 EXT int euid; /* current effective user id */
1412 EXT int gid; /* current real group id */
1413 EXT int egid; /* current effective group id */
1414 EXT bool nomemok; /* let malloc context handle nomem */
1415 EXT U32 an; /* malloc sequence number */
1416 EXT U32 cop_seqmax; /* statement sequence number */
1417 EXT U16 op_seqmax; /* op sequence number */
1418 EXT U32 evalseq; /* eval sequence number */
1419 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1420 EXT char ** origenviron;
1422 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1423 EXT U32 * profiledata;
1424 EXT int maxo INIT(MAXO);/* Number of ops */
1425 EXT char * osname; /* operating system */
1426 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1427 EXT Sighandler_t sighandlerp;
1429 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1430 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1431 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1432 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1433 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1434 EXT HE * he_root; /* free he list--shared by interpreters */
1435 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1436 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1438 /* Stack for currently executing thread--context switch must handle this. */
1439 EXT SV ** stack_base; /* stack->array_ary */
1440 EXT SV ** stack_sp; /* stack pointer now */
1441 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1443 /* likewise for these */
1445 #ifdef OP_IN_REGISTER
1446 EXT OP * opsave; /* save current op register across longjmps */
1448 EXT OP * op; /* current op--when not in a global register */
1450 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1451 EXT I32 * scopestack; /* blocks we've entered */
1452 EXT I32 scopestack_ix;
1453 EXT I32 scopestack_max;
1455 EXT ANY* savestack; /* to save non-local values on */
1456 EXT I32 savestack_ix;
1457 EXT I32 savestack_max;
1459 EXT OP ** retstack; /* returns we've pushed */
1460 EXT I32 retstack_ix;
1461 EXT I32 retstack_max;
1463 EXT I32 * markstack; /* stackmarks we're remembering */
1464 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1465 EXT I32 * markstack_max; /* stackmarks we're remembering */
1472 EXT char tokenbuf[256];
1473 EXT struct stat statbuf;
1475 EXT struct tms timesbuf;
1477 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1479 /* for tmp use in stupid debuggers */
1484 /* handy constants */
1485 EXTCONST char * Yes INIT("1");
1486 EXTCONST char * No INIT("");
1487 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1488 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1489 EXTCONST char * vert INIT("|");
1491 EXTCONST char warn_uninit[]
1492 INIT("Use of uninitialized value");
1493 EXTCONST char warn_nosemi[]
1494 INIT("Semicolon seems to be missing");
1495 EXTCONST char warn_reserved[]
1496 INIT("Unquoted string \"%s\" may clash with future reserved word");
1497 EXTCONST char warn_nl[]
1498 INIT("Unsuccessful %s on filename containing newline");
1499 EXTCONST char no_wrongref[]
1500 INIT("Can't use %s ref as %s ref");
1501 EXTCONST char no_symref[]
1502 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1503 EXTCONST char no_usym[]
1504 INIT("Can't use an undefined value as %s reference");
1505 EXTCONST char no_aelem[]
1506 INIT("Modification of non-creatable array value attempted, subscript %d");
1507 EXTCONST char no_helem[]
1508 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1509 EXTCONST char no_modify[]
1510 INIT("Modification of a read-only value attempted");
1511 EXTCONST char no_mem[]
1512 INIT("Out of memory!\n");
1513 EXTCONST char no_security[]
1514 INIT("Insecure dependency in %s%s");
1515 EXTCONST char no_sock_func[]
1516 INIT("Unsupported socket function \"%s\" called");
1517 EXTCONST char no_dir_func[]
1518 INIT("Unsupported directory function \"%s\" called");
1519 EXTCONST char no_func[]
1520 INIT("The %s function is unimplemented");
1521 EXTCONST char no_myglob[]
1522 INIT("\"my\" variable %s can't be in a package");
1528 EXT char * cshname INIT(CSH);
1533 EXT char *sig_name[] = { SIG_NAME };
1534 EXT int sig_num[] = { SIG_NUM };
1535 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1536 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1538 EXT char *sig_name[];
1540 EXT SV * psig_ptr[];
1541 EXT SV * psig_name[];
1544 /* fast case folding tables */
1547 EXTCONST unsigned char fold[] = {
1548 0, 1, 2, 3, 4, 5, 6, 7,
1549 8, 9, 10, 11, 12, 13, 14, 15,
1550 16, 17, 18, 19, 20, 21, 22, 23,
1551 24, 25, 26, 27, 28, 29, 30, 31,
1552 32, 33, 34, 35, 36, 37, 38, 39,
1553 40, 41, 42, 43, 44, 45, 46, 47,
1554 48, 49, 50, 51, 52, 53, 54, 55,
1555 56, 57, 58, 59, 60, 61, 62, 63,
1556 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1557 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1558 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1559 'x', 'y', 'z', 91, 92, 93, 94, 95,
1560 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1561 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1562 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1563 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1564 128, 129, 130, 131, 132, 133, 134, 135,
1565 136, 137, 138, 139, 140, 141, 142, 143,
1566 144, 145, 146, 147, 148, 149, 150, 151,
1567 152, 153, 154, 155, 156, 157, 158, 159,
1568 160, 161, 162, 163, 164, 165, 166, 167,
1569 168, 169, 170, 171, 172, 173, 174, 175,
1570 176, 177, 178, 179, 180, 181, 182, 183,
1571 184, 185, 186, 187, 188, 189, 190, 191,
1572 192, 193, 194, 195, 196, 197, 198, 199,
1573 200, 201, 202, 203, 204, 205, 206, 207,
1574 208, 209, 210, 211, 212, 213, 214, 215,
1575 216, 217, 218, 219, 220, 221, 222, 223,
1576 224, 225, 226, 227, 228, 229, 230, 231,
1577 232, 233, 234, 235, 236, 237, 238, 239,
1578 240, 241, 242, 243, 244, 245, 246, 247,
1579 248, 249, 250, 251, 252, 253, 254, 255
1582 EXTCONST unsigned char fold[];
1586 EXT unsigned char fold_locale[] = {
1587 0, 1, 2, 3, 4, 5, 6, 7,
1588 8, 9, 10, 11, 12, 13, 14, 15,
1589 16, 17, 18, 19, 20, 21, 22, 23,
1590 24, 25, 26, 27, 28, 29, 30, 31,
1591 32, 33, 34, 35, 36, 37, 38, 39,
1592 40, 41, 42, 43, 44, 45, 46, 47,
1593 48, 49, 50, 51, 52, 53, 54, 55,
1594 56, 57, 58, 59, 60, 61, 62, 63,
1595 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1596 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1597 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1598 'x', 'y', 'z', 91, 92, 93, 94, 95,
1599 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1600 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1601 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1602 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1603 128, 129, 130, 131, 132, 133, 134, 135,
1604 136, 137, 138, 139, 140, 141, 142, 143,
1605 144, 145, 146, 147, 148, 149, 150, 151,
1606 152, 153, 154, 155, 156, 157, 158, 159,
1607 160, 161, 162, 163, 164, 165, 166, 167,
1608 168, 169, 170, 171, 172, 173, 174, 175,
1609 176, 177, 178, 179, 180, 181, 182, 183,
1610 184, 185, 186, 187, 188, 189, 190, 191,
1611 192, 193, 194, 195, 196, 197, 198, 199,
1612 200, 201, 202, 203, 204, 205, 206, 207,
1613 208, 209, 210, 211, 212, 213, 214, 215,
1614 216, 217, 218, 219, 220, 221, 222, 223,
1615 224, 225, 226, 227, 228, 229, 230, 231,
1616 232, 233, 234, 235, 236, 237, 238, 239,
1617 240, 241, 242, 243, 244, 245, 246, 247,
1618 248, 249, 250, 251, 252, 253, 254, 255
1621 EXT unsigned char fold_locale[];
1625 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1626 1, 2, 84, 151, 154, 155, 156, 157,
1627 165, 246, 250, 3, 158, 7, 18, 29,
1628 40, 51, 62, 73, 85, 96, 107, 118,
1629 129, 140, 147, 148, 149, 150, 152, 153,
1630 255, 182, 224, 205, 174, 176, 180, 217,
1631 233, 232, 236, 187, 235, 228, 234, 226,
1632 222, 219, 211, 195, 188, 193, 185, 184,
1633 191, 183, 201, 229, 181, 220, 194, 162,
1634 163, 208, 186, 202, 200, 218, 198, 179,
1635 178, 214, 166, 170, 207, 199, 209, 206,
1636 204, 160, 212, 216, 215, 192, 175, 173,
1637 243, 172, 161, 190, 203, 189, 164, 230,
1638 167, 248, 227, 244, 242, 255, 241, 231,
1639 240, 253, 169, 210, 245, 237, 249, 247,
1640 239, 168, 252, 251, 254, 238, 223, 221,
1641 213, 225, 177, 197, 171, 196, 159, 4,
1642 5, 6, 8, 9, 10, 11, 12, 13,
1643 14, 15, 16, 17, 19, 20, 21, 22,
1644 23, 24, 25, 26, 27, 28, 30, 31,
1645 32, 33, 34, 35, 36, 37, 38, 39,
1646 41, 42, 43, 44, 45, 46, 47, 48,
1647 49, 50, 52, 53, 54, 55, 56, 57,
1648 58, 59, 60, 61, 63, 64, 65, 66,
1649 67, 68, 69, 70, 71, 72, 74, 75,
1650 76, 77, 78, 79, 80, 81, 82, 83,
1651 86, 87, 88, 89, 90, 91, 92, 93,
1652 94, 95, 97, 98, 99, 100, 101, 102,
1653 103, 104, 105, 106, 108, 109, 110, 111,
1654 112, 113, 114, 115, 116, 117, 119, 120,
1655 121, 122, 123, 124, 125, 126, 127, 128,
1656 130, 131, 132, 133, 134, 135, 136, 137,
1657 138, 139, 141, 142, 143, 144, 145, 146
1660 EXTCONST unsigned char freq[];
1665 EXTCONST char* block_type[] = {
1674 EXTCONST char* block_type[];
1678 /*****************************************************************************/
1679 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1680 /*****************************************************************************/
1681 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1685 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1696 EXT U32 lex_state; /* next token is determined */
1697 EXT U32 lex_defer; /* state after determined token */
1698 EXT expectation lex_expect; /* expect after determined token */
1699 EXT I32 lex_brackets; /* bracket count */
1700 EXT I32 lex_formbrack; /* bracket count at outer format level */
1701 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1702 EXT I32 lex_casemods; /* casemod count */
1703 EXT I32 lex_dojoin; /* doing an array interpolation */
1704 EXT I32 lex_starts; /* how many interps done on level */
1705 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1706 EXT SV * lex_repl; /* runtime replacement from s/// */
1707 EXT OP * lex_op; /* extra info to pass back on op */
1708 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1709 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1710 EXT char * lex_brackstack; /* what kind of brackets to pop */
1711 EXT char * lex_casestack; /* what kind of case mods in effect */
1713 /* What we know when we're in LEX_KNOWNEXT state. */
1714 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1715 EXT I32 nexttype[5]; /* type of next token */
1718 EXT PerlIO * VOL rsfp INIT(Nullfp);
1721 EXT char * oldbufptr;
1722 EXT char * oldoldbufptr;
1724 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1725 EXT AV * rsfp_filters;
1727 EXT I32 multi_start; /* 1st line of multi-line string */
1728 EXT I32 multi_end; /* last line of multi-line string */
1729 EXT I32 multi_open; /* delimiter of said string */
1730 EXT I32 multi_close; /* delimiter of said string */
1733 EXT I32 error_count; /* how many errors so far, max 10 */
1734 EXT I32 subline; /* line this subroutine began on */
1735 EXT SV * subname; /* name of current subroutine */
1737 EXT CV * compcv; /* currently compiling subroutine */
1738 EXT AV * comppad; /* storage for lexically scoped temporaries */
1739 EXT AV * comppad_name; /* variable names for "my" variables */
1740 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1741 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1742 EXT I32 min_intro_pending;/* start of vars to introduce */
1743 EXT I32 max_intro_pending;/* end of vars to introduce */
1744 EXT I32 padix; /* max used index in current "register" pad */
1745 EXT I32 padix_floor; /* how low may inner block reset padix */
1746 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1749 EXT I32 thisexpr; /* name id for nothing_in_common() */
1750 EXT char * last_uni; /* position of last named-unary operator */
1751 EXT char * last_lop; /* position of last list operator */
1752 EXT OPCODE last_lop_op; /* last list operator */
1753 EXT bool in_my; /* we're compiling a "my" declaration */
1754 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1756 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1759 EXT U32 hints; /* various compilation flags */
1761 /* Note: the lowest 8 bits are reserved for
1762 stuffing into op->op_private */
1763 #define HINT_INTEGER 0x00000001
1764 #define HINT_STRICT_REFS 0x00000002
1766 #define HINT_BLOCK_SCOPE 0x00000100
1767 #define HINT_STRICT_SUBS 0x00000200
1768 #define HINT_STRICT_VARS 0x00000400
1769 #define HINT_LOCALE 0x00000800
1771 EXT bool do_undump; /* -u or dump seen? */
1774 /***********************************************/
1775 /* Global only to current interpreter instance */
1776 /***********************************************/
1781 struct interpreter {
1784 #define IINIT(x) INIT(x)
1787 /* pseudo environmental stuff */
1789 IEXT char ** Iorigargv;
1793 IEXT char * Iorigfilename;
1795 IEXT SV * Iwarnhook;
1796 IEXT SV * Iparsehook;
1798 /* Various states of an input record separator SV (rs, nrs) */
1799 #define RsSNARF(sv) (! SvOK(sv))
1800 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1801 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1806 IEXT char Ipatchlevel[10];
1807 IEXT char ** Ilocalpatches;
1809 IEXT char * Isplitstr IINIT(" ");
1810 IEXT bool Ipreprocess;
1816 IEXT bool Idoswitches;
1818 IEXT bool Idoextract;
1819 IEXT bool Isawampersand; /* must save all match strings */
1820 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1823 IEXT char * Iinplace;
1824 IEXT char * Ie_tmpname;
1825 IEXT PerlIO * Ie_fp;
1827 /* This value may be raised by extensions for testing purposes */
1828 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1830 /* magical thingies */
1831 IEXT Time_t Ibasetime; /* $^T */
1832 IEXT SV * Iformfeed; /* $^L */
1833 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1834 IEXT SV * Irs; /* $/ */
1835 IEXT char * Iofs; /* $, */
1836 IEXT STRLEN Iofslen;
1837 IEXT char * Iors; /* $\ */
1838 IEXT STRLEN Iorslen;
1839 IEXT char * Iofmt; /* $# */
1840 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1841 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1842 IEXT I32 Istatusvalue; /* $? */
1844 IEXT U32 Istatusvalue_vms;
1847 IEXT struct stat Istatcache; /* _ */
1849 IEXT SV * Istatname IINIT(Nullsv);
1851 /* shortcuts to various I/O objects */
1853 IEXT GV * Ilast_in_gv;
1856 IEXT GV * Idefoutgv;
1857 IEXT GV * Iargvoutgv;
1859 /* shortcuts to regexp stuff */
1863 IEXT PMOP * Icurpm; /* what to do \ interps from */
1864 IEXT I32 * Iscreamfirst;
1865 IEXT I32 * Iscreamnext;
1866 IEXT I32 Imaxscream IINIT(-1);
1867 IEXT SV * Ilastscream;
1869 /* shortcuts to misc objects */
1872 /* shortcuts to debugging objects */
1876 IEXT SV * IDBsingle;
1878 IEXT SV * IDBsignal;
1879 IEXT AV * Ilineary; /* lines of script for debugger */
1880 IEXT AV * Idbargs; /* args to call listed by caller function */
1883 IEXT HV * Idefstash; /* main symbol table */
1884 IEXT HV * Icurstash; /* symbol table for current package */
1885 IEXT HV * Idebstash; /* symbol table for perldb package */
1886 IEXT HV * Iglobalstash; /* global keyword overrides imported here */
1887 IEXT SV * Icurstname; /* name of current package */
1888 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1889 IEXT AV * Iendav; /* names of END subroutines */
1890 IEXT AV * Iinitav; /* names of INIT subroutines */
1891 IEXT HV * Istrtab; /* shared string table */
1893 /* memory management */
1894 IEXT SV ** Itmps_stack;
1895 IEXT I32 Itmps_ix IINIT(-1);
1896 IEXT I32 Itmps_floor IINIT(-1);
1898 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1899 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1900 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1901 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1903 /* funky return mechanisms */
1904 IEXT I32 Ilastspbase;
1906 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1908 /* subprocess state */
1909 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1911 /* internal state */
1912 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1913 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1914 IEXT int Idelaymagic; /* ($<,$>) = ... */
1915 IEXT bool Idirty; /* In the middle of tearing things down? */
1916 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1917 IEXT bool Itainted; /* using variables controlled by $< */
1918 IEXT bool Itainting; /* doing taint checks */
1919 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1923 IEXT I32 Idlmax IINIT(128);
1924 IEXT char * Idebname;
1925 IEXT char * Idebdelim;
1927 /* current interpreter roots */
1929 IEXT OP * Imain_root;
1930 IEXT OP * Imain_start;
1931 IEXT OP * Ieval_root;
1932 IEXT OP * Ieval_start;
1934 /* runtime control stuff */
1935 IEXT COP * VOL Icurcop IINIT(&compiling);
1936 IEXT COP * Icurcopdb IINIT(NULL);
1937 IEXT line_t Icopline IINIT(NOLINE);
1938 IEXT PERL_CONTEXT * Icxstack;
1939 IEXT I32 Icxstack_ix IINIT(-1);
1940 IEXT I32 Icxstack_max IINIT(128);
1941 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1942 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1945 IEXT AV * Icurstack; /* THE STACK */
1946 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1948 /* format accumulators */
1949 IEXT SV * Iformtarget;
1950 IEXT SV * Ibodytarget;
1951 IEXT SV * Itoptarget;
1953 /* statics moved here for shared library purposes */
1954 IEXT SV Istrchop; /* return value from chop */
1955 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1956 IEXT int Ilastfd; /* what to preserve mode on */
1957 IEXT char * Ioldname; /* what to preserve mode on */
1958 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1959 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1960 IEXT OP * Isortcop; /* user defined sort routine */
1961 IEXT HV * Isortstash; /* which is in some package or other */
1962 IEXT GV * Ifirstgv; /* $a */
1963 IEXT GV * Isecondgv; /* $b */
1964 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1965 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1966 IEXT SV * Imystrk; /* temp key string for do_each() */
1967 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1968 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1969 IEXT I32 Igensym; /* next symbol for getsym() to define */
1970 IEXT bool Ipreambled;
1971 IEXT AV * Ipreambleav;
1972 IEXT int Ilaststatval IINIT(-1);
1973 IEXT I32 Ilaststype IINIT(OP_STAT);
1978 IEXT SV * Ithrsv; /* holds struct perl_thread for main thread */
1979 #endif /* USE_THREADS */
1987 struct interpreter {
1999 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
2000 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
2002 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
2003 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2008 /* The following must follow proto.h */
2012 EXT MGVTBL vtbl_sv = {magic_get,
2016 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2017 0, magic_clear_all_env,
2019 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2022 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2023 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2027 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2029 EXT MGVTBL vtbl_packelem = {magic_getpack,
2033 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2035 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2038 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2040 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2043 EXT MGVTBL vtbl_glob = {magic_getglob,
2046 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2048 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2050 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2052 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2054 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2056 EXT MGVTBL vtbl_pos = {magic_getpos,
2059 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2061 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2063 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2067 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2068 #endif /* USE_THREADS */
2069 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2070 0, 0, magic_freedefelem};
2072 EXT MGVTBL vtbl_regexp = {0,0,0,0, magic_freeregexp};
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;
2116 EXT MGVTBL vtbl_regexp;
2118 #ifdef USE_LOCALE_COLLATE
2119 EXT MGVTBL vtbl_collxfrm;
2123 EXT MGVTBL vtbl_amagic;
2124 EXT MGVTBL vtbl_amagicelem;
2125 #endif /* OVERLOAD */
2127 #endif /* !DOINIT */
2131 EXT long amagic_generation;
2133 #define NofAMmeth 58
2135 EXTCONST char * AMG_names[NofAMmeth] = {
2136 "fallback", "abs", /* "fallback" should be the first. */
2167 EXTCONST char * AMG_names[NofAMmeth];
2168 #endif /* def INITAMAGIC */
2174 CV* table[NofAMmeth];
2177 struct am_table_short {
2182 typedef struct am_table AMT;
2183 typedef struct am_table_short AMTS;
2185 #define AMGfallNEVER 1
2187 #define AMGfallYES 3
2189 #define AMTf_AMAGIC 1
2190 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2191 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2192 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2195 fallback_amg, abs_amg,
2196 bool__amg, nomethod_amg,
2197 string_amg, numer_amg,
2198 add_amg, add_ass_amg,
2199 subtr_amg, subtr_ass_amg,
2200 mult_amg, mult_ass_amg,
2201 div_amg, div_ass_amg,
2202 mod_amg, mod_ass_amg,
2203 pow_amg, pow_ass_amg,
2204 lshift_amg, lshift_ass_amg,
2205 rshift_amg, rshift_ass_amg,
2206 band_amg, band_ass_amg,
2207 bor_amg, bor_ass_amg,
2208 bxor_amg, bxor_ass_amg,
2221 repeat_amg, repeat_ass_amg,
2222 concat_amg, concat_ass_amg,
2227 * some compilers like to redefine cos et alia as faster
2228 * (and less accurate?) versions called F_cos et cetera (Quidquid
2229 * latine dictum sit, altum viditur.) This trick collides with
2230 * the Perl overloading (amg). The following #defines fool both.
2235 # define F_atan2_amg atan2_amg
2238 # define F_cos_amg cos_amg
2241 # define F_exp_amg exp_amg
2244 # define F_log_amg log_amg
2247 # define F_pow_amg pow_amg
2250 # define F_sin_amg sin_amg
2253 # define F_sqrt_amg sqrt_amg
2255 #endif /* _FASTMATH */
2257 #endif /* OVERLOAD */
2259 #define PERLDB_ALL 0xff
2260 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2261 #define PERLDBf_LINE 0x02 /* Keep line #. */
2262 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2263 #define PERLDBf_INTER 0x08 /* Preserve more data for
2264 later inspections. */
2265 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2266 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2268 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2269 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2270 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2271 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2272 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2273 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2275 #ifdef USE_LOCALE_COLLATE
2276 EXT U32 collation_ix; /* Collation generation index */
2277 EXT char * collation_name; /* Name of current collation */
2278 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2279 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2280 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2281 #endif /* USE_LOCALE_COLLATE */
2283 #ifdef USE_LOCALE_NUMERIC
2285 EXT char * numeric_name; /* Name of current numeric locale */
2286 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2287 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2289 #define SET_NUMERIC_STANDARD() \
2291 if (! numeric_standard) \
2292 perl_set_numeric_standard(); \
2295 #define SET_NUMERIC_LOCAL() \
2297 if (! numeric_local) \
2298 perl_set_numeric_local(); \
2301 #else /* !USE_LOCALE_NUMERIC */
2303 #define SET_NUMERIC_STANDARD() /**/
2304 #define SET_NUMERIC_LOCAL() /**/
2306 #endif /* !USE_LOCALE_NUMERIC */
2308 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2310 * Now we have __attribute__ out of the way
2313 #define printf PerlIO_stdoutf
2316 #ifndef PERL_SCRIPT_MODE
2317 #define PERL_SCRIPT_MODE "r"
2320 #ifndef PERL_SCRIPT_MODE
2321 #define PERL_SCRIPT_MODE "r"
2325 * nice_chunk and nice_chunk size need to be set
2326 * and queried under the protection of sv_mutex
2328 #define offer_nice_chunk(chunk, chunk_size) do { \
2329 MUTEX_LOCK(&sv_mutex); \
2330 if (!nice_chunk) { \
2331 nice_chunk = (char*)(chunk); \
2332 nice_chunk_size = (chunk_size); \
2334 MUTEX_UNLOCK(&sv_mutex); \
2337 #endif /* Include guard */