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 */
34 # define stringify_immed(s) #s
35 # define stringify(s) stringify_immed(s)
36 register struct op *op asm(stringify(OP_IN_REGISTER));
41 * STMT_START { statements; } STMT_END;
42 * can be used as a single statement, as in
43 * if (x) STMT_START { ... } STMT_END; else ...
45 * Trying to select a version that gives no warnings...
47 #if !(defined(STMT_START) && defined(STMT_END))
48 # if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
49 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
52 /* Now which other defined()s do we need here ??? */
53 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
54 # define STMT_START if (1)
55 # define STMT_END else (void)0
57 # define STMT_START do
58 # define STMT_END while (0)
65 #define WITH_THR(s) do { dTHR; s; } while (0)
72 # include "win32/win32thread.h"
75 typedef pthread_mutex_t perl_mutex;
76 typedef pthread_cond_t perl_cond;
77 typedef pthread_key_t perl_key;
79 # endif /* FAKE_THREADS */
80 #endif /* USE_THREADS */
83 * SOFT_CAST can be used for args to prototyped functions to retain some
84 * type checking; it only casts if the compiler does not know prototypes.
86 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
87 #define SOFT_CAST(type)
89 #define SOFT_CAST(type) (type)
93 # define BYTEORDER 0x1234
96 /* Overall memory policy? */
102 * The following contortions are brought to you on behalf of all the
103 * standards, semi-standards, de facto standards, not-so-de-facto standards
104 * of the world, as well as all the other botches anyone ever thought of.
105 * The basic theory is that if we work hard enough here, the rest of the
106 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
109 /* define this once if either system, instead of cluttering up the src */
110 #if defined(MSDOS) || defined(atarist) || defined(WIN32)
114 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
115 # define STANDARD_C 1
118 #if defined(__cplusplus) || defined(WIN32)
119 # define DONT_DECLARE_STD 1
122 #if defined(HASVOLATILE) || defined(STANDARD_C)
124 # define VOL // to temporarily suppress warnings
126 # define VOL volatile
132 #define TAINT (tainted = TRUE)
133 #define TAINT_NOT (tainted = FALSE)
134 #define TAINT_IF(c) if (c) { tainted = TRUE; }
135 #define TAINT_ENV() if (tainting) { taint_env(); }
136 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
138 /* XXX All process group stuff is handled in pp_sys.c. Should these
139 defines move there? If so, I could simplify this a lot. --AD 9/96.
141 /* Process group stuff changed from traditional BSD to POSIX.
142 perlfunc.pod documents the traditional BSD-style syntax, so we'll
143 try to preserve that, if possible.
146 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
148 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
149 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
151 # ifdef HAS_SETPGRP2 /* DG/UX */
152 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
156 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
157 # define HAS_SETPGRP /* Well, effectively it does . . . */
160 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
161 our life easier :-) so we'll try it.
164 # define BSD_GETPGRP(pid) getpgid((pid))
166 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
167 # define BSD_GETPGRP(pid) getpgrp((pid))
169 # ifdef HAS_GETPGRP2 /* DG/UX */
170 # define BSD_GETPGRP(pid) getpgrp2((pid))
174 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
175 # define HAS_GETPGRP /* Well, effectively it does . . . */
178 /* These are not exact synonyms, since setpgrp() and getpgrp() may
179 have different behaviors, but perl.h used to define USE_BSDPGRP
180 (prior to 5.003_05) so some extension might depend on it.
182 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
188 #ifndef _TYPES_ /* If types.h defines this it's easy. */
189 # ifndef major /* Does everyone's types.h define this? */
190 # include <sys/types.h>
204 # include <varargs.h>
210 #ifdef USE_NEXT_CTYPE
212 #if NX_CURRENT_COMPILER_RELEASE >= 400
213 #include <objc/NXCType.h>
214 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
215 #include <appkit/NXCType.h>
216 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
218 #else /* !USE_NEXT_CTYPE */
220 #endif /* USE_NEXT_CTYPE */
222 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
230 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
232 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
233 && defined(HAS_STRXFRM)
234 # define USE_LOCALE_COLLATE
236 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
237 # define USE_LOCALE_CTYPE
239 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
240 # define USE_LOCALE_NUMERIC
242 #endif /* !NO_LOCALE && HAS_SETLOCALE */
247 # ifdef PARAM_NEEDS_TYPES
248 # include <sys/types.h>
250 # include <sys/param.h>
254 /* Use all the "standard" definitions? */
255 #if defined(STANDARD_C) && defined(I_STDLIB)
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
270 # ifdef EMBEDMYMALLOC
271 # define malloc Perl_malloc
272 # define calloc Perl_calloc
273 # define realloc Perl_realloc
274 # define free Perl_free
281 # define safemalloc malloc
282 # define safecalloc calloc
283 # define saferealloc realloc
284 # define safefree free
286 #endif /* MYMALLOC */
288 #define MEM_SIZE Size_t
290 #if defined(STANDARD_C) && defined(I_STDDEF)
292 # define STRUCT_OFFSET(s,m) offsetof(s,m)
294 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
297 #if defined(I_STRING) || defined(__cplusplus)
300 # include <strings.h>
303 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
305 #define strrchr rindex
313 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
315 extern char * memcpy _((char*, char*, int));
321 # define memcpy(d,s,l) bcopy(s,d,l)
323 # define memcpy(d,s,l) my_bcopy(s,d,l)
326 #endif /* HAS_MEMCPY */
329 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
331 extern char *memset _((char*, int, int));
335 # define memset(d,c,l) my_memset(d,c,l)
336 #endif /* HAS_MEMSET */
338 #if !defined(HAS_MEMMOVE) && !defined(memmove)
339 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
340 # define memmove(d,s,l) bcopy(s,d,l)
342 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
343 # define memmove(d,s,l) memcpy(d,s,l)
345 # define memmove(d,s,l) my_bcopy(s,d,l)
350 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
354 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
355 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
357 extern int memcmp _((char*, char*, int));
361 # pragma function(memcmp)
365 # define memcmp my_memcmp
367 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
371 # define memzero(d,l) memset(d,0,l)
374 # define memzero(d,l) bzero(d,l)
376 # define memzero(d,l) my_bzero(d,l)
383 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
385 #endif /* !HAS_BCMP */
388 # include <netinet/in.h>
391 #if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
392 /* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
393 * (the neo-BSD seem to do this). */
398 # include <sys/stat.h>
401 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
402 like UTekV) are broken, sometimes giving false positives. Undefine
403 them here and let the code below set them to proper values.
405 The ghs macro stands for GreenHills Software C-1.8.5 which
406 is the C compiler for sysV88 and the various derivatives.
407 This header file bug is corrected in gcc-2.5.8 and later versions.
408 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
410 #if defined(uts) || (defined(m88k) && defined(ghs))
424 # ifdef I_SYS_TIME_KERNEL
427 # include <sys/time.h>
428 # ifdef I_SYS_TIME_KERNEL
433 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
434 # include <sys/times.h>
437 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
443 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
445 #endif /* !HAS_MKFIFO */
450 # include <net/errno.h>
455 # define SETERRNO(errcode,vmserrcode) \
457 set_errno(errcode); \
458 set_vaxc_errno(vmserrcode); \
461 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
465 extern int errno; /* ANSI allows errno to be an lvalue expr */
470 char *strerror _((int,...));
472 #ifndef DONT_DECLARE_STD
473 char *strerror _((int));
477 # define Strerror strerror
480 # ifdef HAS_SYS_ERRLIST
482 extern char *sys_errlist[];
484 # define Strerror(e) \
485 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
492 # include <sys/ioctl.h>
496 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
497 # ifdef HAS_SOCKETPAIR
498 # undef HAS_SOCKETPAIR
513 /* Configure already sets Direntry_t */
514 #if defined(I_DIRENT)
516 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
517 # include <sys/dir.h>
521 # include <sys/ndir.h>
525 # include <ndir.h> /* may be wrong in the future */
527 # include <sys/dir.h>
534 /* work around botch in SunOS 4.0.1 and 4.0.2 */
536 # define fputs(sv,fp) fprintf(fp,"%s",sv)
541 * The following gobbledygook brought to you on behalf of __STDC__.
542 * (I could just use #ifndef __STDC__, but this is more bulletproof
543 * in the face of half-implementations.)
548 # define S_IFMT _S_IFMT
550 # define S_IFMT 0170000
555 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
559 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
564 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
566 # define S_ISBLK(m) (0)
571 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
576 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
578 # define S_ISFIFO(m) (0)
584 # define S_ISLNK(m) _S_ISLNK(m)
587 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
590 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
592 # define S_ISLNK(m) (0)
600 # define S_ISSOCK(m) _S_ISSOCK(m)
603 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
606 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
608 # define S_ISSOCK(m) (0)
616 # define S_IRUSR S_IREAD
617 # define S_IWUSR S_IWRITE
618 # define S_IXUSR S_IEXEC
620 # define S_IRUSR 0400
621 # define S_IWUSR 0200
622 # define S_IXUSR 0100
624 # define S_IRGRP (S_IRUSR>>3)
625 # define S_IWGRP (S_IWUSR>>3)
626 # define S_IXGRP (S_IXUSR>>3)
627 # define S_IROTH (S_IRUSR>>6)
628 # define S_IWOTH (S_IWUSR>>6)
629 # define S_IXOTH (S_IXUSR>>6)
633 # define S_ISUID 04000
637 # define S_ISGID 02000
644 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
645 # define SLOPPYDIVIDE
652 /* XXX QUAD stuff is not currently supported on most systems.
653 Specifically, perl internals don't support long long. Among
654 the many problems is that some compilers support long long,
655 but the underlying library functions (such as sprintf) don't.
656 Some things do work (such as quad pack/unpack on convex);
657 also some systems use long long for the fpos_t typedef. That
660 The IV type is supposed to be long enough to hold any integral
662 --Andy Dougherty August 1996
669 # define Quad_t long long
671 # if BYTEORDER > 0xFFFF
680 typedef unsigned Quad_t UV;
681 # define IV_MAX PERL_QUAD_MAX
682 # define IV_MIN PERL_QUAD_MIN
683 # define UV_MAX PERL_UQUAD_MAX
684 # define UV_MIN PERL_UQUAD_MIN
687 typedef unsigned long UV;
688 # define IV_MAX PERL_LONG_MAX
689 # define IV_MIN PERL_LONG_MIN
690 # define UV_MAX PERL_ULONG_MAX
691 # define UV_MIN PERL_ULONG_MIN
694 /* Previously these definitions used hardcoded figures.
695 * It is hoped these formula are more portable, although
696 * no data one way or another is presently known to me.
697 * The "PERL_" names are used because these calculated constants
698 * do not meet the ANSI requirements for LONG_MAX, etc., which
699 * need to be constants acceptable to #if - kja
700 * define PERL_LONG_MAX 2147483647L
701 * define PERL_LONG_MIN (-LONG_MAX - 1)
702 * define PERL ULONG_MAX 4294967295L
705 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
714 * Try to figure out max and min values for the integral types. THE CORRECT
715 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
716 * following hacks are used if neither limits.h or values.h provide them:
717 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
718 * for types < int: (unsigned TYPE)~(unsigned)0
719 * The argument to ~ must be unsigned so that later signed->unsigned
720 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
721 * and it must not be smaller than int because ~ does integral promotion.
722 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
723 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
724 * The latter is a hack which happens to work on some machines but
725 * does *not* catch any random system, or things like integer types
726 * with NaN if that is possible.
728 * All of the types are explicitly cast to prevent accidental loss of
729 * numeric range, and in the hope that they will be less likely to confuse
730 * over-eager optimizers.
734 #define PERL_UCHAR_MIN ((unsigned char)0)
737 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
740 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
742 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
747 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
748 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
749 * depending on local options. Until Configure detects this (or at least
750 * detects whether the "signed" keyword is available) the CHAR ranges
751 * will not be included. UCHAR functions normally.
755 #define PERL_USHORT_MIN ((unsigned short)0)
758 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
761 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
763 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
768 # define PERL_SHORT_MAX ((short)SHORT_MAX)
770 # ifdef MAXSHORT /* Often used in <values.h> */
771 # define PERL_SHORT_MAX ((short)MAXSHORT)
773 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
778 # define PERL_SHORT_MIN ((short)SHORT_MIN)
781 # define PERL_SHORT_MIN ((short)MINSHORT)
783 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
788 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
791 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
793 # define PERL_UINT_MAX (~(unsigned int)0)
797 #define PERL_UINT_MIN ((unsigned int)0)
800 # define PERL_INT_MAX ((int)INT_MAX)
802 # ifdef MAXINT /* Often used in <values.h> */
803 # define PERL_INT_MAX ((int)MAXINT)
805 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
810 # define PERL_INT_MIN ((int)INT_MIN)
813 # define PERL_INT_MIN ((int)MININT)
815 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
820 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
823 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
825 # define PERL_ULONG_MAX (~(unsigned long)0)
829 #define PERL_ULONG_MIN ((unsigned long)0L)
832 # define PERL_LONG_MAX ((long)LONG_MAX)
834 # ifdef MAXLONG /* Often used in <values.h> */
835 # define PERL_LONG_MAX ((long)MAXLONG)
837 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
842 # define PERL_LONG_MIN ((long)LONG_MIN)
845 # define PERL_LONG_MIN ((long)MINLONG)
847 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
854 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
856 # define PERL_UQUAD_MAX (~(UV)0)
859 # define PERL_UQUAD_MIN ((UV)0)
862 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
864 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
868 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
870 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
875 /* Digital UNIX defines a typedef CONTEXT when pthreads is in use */
877 # define CONTEXT PERL_CONTEXT
880 typedef MEM_SIZE STRLEN;
882 typedef struct op OP;
883 typedef struct cop COP;
884 typedef struct unop UNOP;
885 typedef struct binop BINOP;
886 typedef struct listop LISTOP;
887 typedef struct logop LOGOP;
888 typedef struct condop CONDOP;
889 typedef struct pmop PMOP;
890 typedef struct svop SVOP;
891 typedef struct gvop GVOP;
892 typedef struct pvop PVOP;
893 typedef struct loop LOOP;
895 typedef struct Outrec Outrec;
896 typedef struct interpreter PerlInterpreter;
898 typedef struct ff FF; /* XXX not defined anywhere, should go? */
900 typedef struct sv SV;
901 typedef struct av AV;
902 typedef struct hv HV;
903 typedef struct cv CV;
904 typedef struct regexp REGEXP;
905 typedef struct gp GP;
906 typedef struct gv GV;
907 typedef struct io IO;
908 typedef struct context CONTEXT;
909 typedef struct block BLOCK;
911 typedef struct magic MAGIC;
912 typedef struct xrv XRV;
913 typedef struct xpv XPV;
914 typedef struct xpviv XPVIV;
915 typedef struct xpvuv XPVUV;
916 typedef struct xpvnv XPVNV;
917 typedef struct xpvmg XPVMG;
918 typedef struct xpvlv XPVLV;
919 typedef struct xpvav XPVAV;
920 typedef struct xpvhv XPVHV;
921 typedef struct xpvgv XPVGV;
922 typedef struct xpvcv XPVCV;
923 typedef struct xpvbm XPVBM;
924 typedef struct xpvfm XPVFM;
925 typedef struct xpvio XPVIO;
926 typedef struct mgvtbl MGVTBL;
927 typedef union any ANY;
931 typedef I32 (*filter_t) _((int, SV *, int));
932 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
933 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
934 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
947 # include "./plan9/plan9ish.h"
949 # include "unixish.h"
955 # define STATUS_NATIVE statusvalue_vms
956 # define STATUS_NATIVE_EXPORT \
957 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
958 # define STATUS_NATIVE_SET(n) \
960 statusvalue_vms = (n); \
961 if ((I32)statusvalue_vms == -1) \
963 else if (statusvalue_vms & STS$M_SUCCESS) \
965 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
966 statusvalue = 1 << 8; \
968 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
970 # define STATUS_POSIX statusvalue
971 # ifdef VMSISH_STATUS
972 # define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
974 # define STATUS_CURRENT STATUS_POSIX
976 # define STATUS_POSIX_SET(n) \
979 if (statusvalue != -1) { \
980 statusvalue &= 0xFFFF; \
981 statusvalue_vms = statusvalue ? 44 : 1; \
983 else statusvalue_vms = -1; \
985 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
986 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
988 # define STATUS_NATIVE STATUS_POSIX
989 # define STATUS_NATIVE_EXPORT STATUS_POSIX
990 # define STATUS_NATIVE_SET STATUS_POSIX_SET
991 # define STATUS_POSIX statusvalue
992 # define STATUS_POSIX_SET(n) \
995 if (statusvalue != -1) \
996 statusvalue &= 0xFFFF; \
998 # define STATUS_CURRENT STATUS_POSIX
999 # define STATUS_ALL_SUCCESS (statusvalue = 0)
1000 # define STATUS_ALL_FAILURE (statusvalue = 1)
1003 /* Some unistd.h's give a prototype for pause() even though
1004 HAS_PAUSE ends up undefined. This causes the #define
1005 below to be rejected by the compmiler. Sigh.
1010 #define Pause() sleep((32767<<16)+32767)
1014 # ifdef IOCPARM_MASK
1015 /* on BSDish systes we're safe */
1016 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1018 /* otherwise guess at what's safe */
1019 # define IOCPARM_LEN(x) 256
1028 void (*any_dptr) _((void*));
1032 #define ARGSproto struct thread *
1034 #define ARGSproto void
1035 #endif /* USE_THREADS */
1037 /* Work around some cygwin32 problems with importing global symbols */
1038 #if defined(CYGWIN32) && defined(DLLIMPORT)
1039 # include "cw32imp.h"
1056 /* work around some libPW problems */
1061 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
1065 #if defined(htonl) && !defined(HAS_HTONL)
1068 #if defined(htons) && !defined(HAS_HTONS)
1071 #if defined(ntohl) && !defined(HAS_NTOHL)
1074 #if defined(ntohs) && !defined(HAS_NTOHS)
1078 #if (BYTEORDER & 0xffff) != 0x4321
1084 #define htons my_swap
1085 #define htonl my_htonl
1086 #define ntohs my_swap
1087 #define ntohl my_ntohl
1090 #if (BYTEORDER & 0xffff) == 0x4321
1099 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1102 #if BYTEORDER != 0x1234
1107 # if BYTEORDER == 0x4321
1108 # define vtohl(x) ((((x)&0xFF)<<24) \
1110 +(((x)&0x0000FF00)<<8) \
1111 +(((x)&0x00FF0000)>>8) )
1112 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1113 # define htovl(x) vtohl(x)
1114 # define htovs(x) vtohs(x)
1116 /* otherwise default to functions in util.c */
1120 #define U_S(what) ((U16)(what))
1121 #define U_I(what) ((unsigned int)(what))
1122 #define U_L(what) ((U32)(what))
1127 U32 cast_ulong _((double));
1131 #define U_S(what) ((U16)cast_ulong((double)(what)))
1132 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1133 #define U_L(what) (cast_ulong((double)(what)))
1137 #define I_32(what) ((I32)(what))
1138 #define I_V(what) ((IV)(what))
1139 #define U_V(what) ((UV)(what))
1144 I32 cast_i32 _((double));
1145 IV cast_iv _((double));
1146 UV cast_uv _((double));
1150 #define I_32(what) (cast_i32((double)(what)))
1151 #define I_V(what) (cast_iv((double)(what)))
1152 #define U_V(what) (cast_uv((double)(what)))
1166 # define TMPPATH "/tmp/perl-eXXXXXX"
1170 Uid_t getuid _((void));
1171 Uid_t geteuid _((void));
1172 Gid_t getgid _((void));
1173 Gid_t getegid _((void));
1177 #ifndef Perl_debug_log
1178 #define Perl_debug_log PerlIO_stderr()
1182 #define DEBUG(a) if (debug) a
1183 #define DEBUG_p(a) if (debug & 1) a
1184 #define DEBUG_s(a) if (debug & 2) a
1185 #define DEBUG_l(a) if (debug & 4) a
1186 #define DEBUG_t(a) if (debug & 8) a
1187 #define DEBUG_o(a) if (debug & 16) a
1188 #define DEBUG_c(a) if (debug & 32) a
1189 #define DEBUG_P(a) if (debug & 64) a
1190 #define DEBUG_m(a) if (curinterp && debug & 128) a
1191 #define DEBUG_f(a) if (debug & 256) a
1192 #define DEBUG_r(a) if (debug & 512) a
1193 #define DEBUG_x(a) if (debug & 1024) a
1194 #define DEBUG_u(a) if (debug & 2048) a
1195 #define DEBUG_L(a) if (debug & 4096) a
1196 #define DEBUG_H(a) if (debug & 8192) a
1197 #define DEBUG_X(a) if (debug & 16384) a
1198 #define DEBUG_D(a) if (debug & 32768) a
1219 #define YYMAXDEPTH 300
1221 #ifndef assert /* <assert.h> might have been included somehow */
1222 #define assert(what) DEB( { \
1224 croak("Assertion failed: file \"%s\", line %d", \
1225 __FILE__, __LINE__); \
1231 I32 (*uf_val)_((IV, SV*));
1232 I32 (*uf_set)_((IV, SV*));
1236 /* Fix these up for __STDC__ */
1237 #ifndef DONT_DECLARE_STD
1238 char *mktemp _((char*));
1239 double atof _((const char*));
1243 /* All of these are in stdlib.h or time.h for ANSI C */
1245 struct tm *gmtime(), *localtime();
1246 char *strchr(), *strrchr();
1247 char *strcpy(), *strcat();
1248 #endif /* ! STANDARD_C */
1257 double exp _((double));
1258 double log _((double));
1259 double log10 _((double));
1260 double sqrt _((double));
1261 double frexp _((double,int*));
1262 double ldexp _((double,int));
1263 double modf _((double,double*));
1264 double sin _((double));
1265 double cos _((double));
1266 double atan2 _((double,double));
1267 double pow _((double,double));
1274 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1275 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1277 char *crypt _((const char*, const char*));
1279 #ifndef DONT_DECLARE_STD
1281 char *getenv _((const char*));
1283 Off_t lseek _((int,Off_t,int));
1285 char *getlogin _((void));
1288 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1289 #define UNLINK unlnk
1290 I32 unlnk _((char*));
1292 #define UNLINK unlink
1295 #ifndef HAS_SETREUID
1296 # ifdef HAS_SETRESUID
1297 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1298 # define HAS_SETREUID
1301 #ifndef HAS_SETREGID
1302 # ifdef HAS_SETRESGID
1303 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1304 # define HAS_SETREGID
1308 typedef Signal_t (*Sighandler_t) _((int));
1310 #ifdef HAS_SIGACTION
1311 typedef struct sigaction Sigsave_t;
1313 typedef Sighandler_t Sigsave_t;
1324 # define PAD_SV(po) pad_sv(po)
1325 # define RUNOPS_DEFAULT runops_debug
1327 # define PAD_SV(po) curpad[po]
1328 # define RUNOPS_DEFAULT runops_standard
1332 * These need prototyping here because <proto.h> isn't
1333 * included until after runops is initialised.
1336 int runops_standard _((void));
1338 int runops_debug _((void));
1341 #define PER_THREAD_MAGICALS "123456789&`'+/.,\\\";^-%=|~:\001\005!@"
1348 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1350 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1351 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1352 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1353 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1354 EXT perl_cond eval_cond; /* Condition variable for doeval */
1355 EXT struct thread * eval_owner; /* Owner thread for doeval */
1356 EXT int nthreads; /* Number of threads currently */
1357 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1358 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1359 EXT char * per_thread_magicals INIT(PER_THREAD_MAGICALS);
1361 EXT struct thread * thr; /* Currently executing (fake) thread */
1363 #endif /* USE_THREADS */
1365 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1366 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1367 #ifndef DONT_DECLARE_STD
1368 extern char ** environ; /* environment variables supplied via exec */
1371 # if defined(NeXT) && defined(__DYNAMIC__)
1373 # include <mach-o/dyld.h>
1374 EXT char *** environ_pointer;
1375 # define environ (*environ_pointer)
1377 #endif /* environ processing */
1379 EXT int uid; /* current real user id */
1380 EXT int euid; /* current effective user id */
1381 EXT int gid; /* current real group id */
1382 EXT int egid; /* current effective group id */
1383 EXT bool nomemok; /* let malloc context handle nomem */
1384 EXT U32 an; /* malloc sequence number */
1385 EXT U32 cop_seqmax; /* statement sequence number */
1386 EXT U16 op_seqmax; /* op sequence number */
1387 EXT U32 evalseq; /* eval sequence number */
1388 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1389 EXT char ** origenviron;
1391 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1392 EXT U32 * profiledata;
1393 EXT int maxo INIT(MAXO);/* Number of ops */
1394 EXT char * osname; /* operating system */
1395 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1396 EXT Sighandler_t sighandlerp;
1398 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1399 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1400 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1401 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1402 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1403 EXT HE * he_root; /* free he list--shared by interpreters */
1404 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1405 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1407 /* Stack for currently executing thread--context switch must handle this. */
1408 EXT SV ** stack_base; /* stack->array_ary */
1409 EXT SV ** stack_sp; /* stack pointer now */
1410 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1412 /* likewise for these */
1414 #ifdef OP_IN_REGISTER
1415 EXT OP * opsave; /* save current op register across longjmps */
1417 EXT OP * op; /* current op--when not in a global register */
1419 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1420 EXT I32 * scopestack; /* blocks we've entered */
1421 EXT I32 scopestack_ix;
1422 EXT I32 scopestack_max;
1424 EXT ANY* savestack; /* to save non-local values on */
1425 EXT I32 savestack_ix;
1426 EXT I32 savestack_max;
1428 EXT OP ** retstack; /* returns we've pushed */
1429 EXT I32 retstack_ix;
1430 EXT I32 retstack_max;
1432 EXT I32 * markstack; /* stackmarks we're remembering */
1433 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1434 EXT I32 * markstack_max; /* stackmarks we're remembering */
1441 EXT char tokenbuf[256];
1442 EXT struct stat statbuf;
1444 EXT struct tms timesbuf;
1446 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1448 /* for tmp use in stupid debuggers */
1453 /* handy constants */
1454 EXTCONST char * Yes INIT("1");
1455 EXTCONST char * No INIT("");
1456 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1457 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1458 EXTCONST char * vert INIT("|");
1460 EXTCONST char warn_uninit[]
1461 INIT("Use of uninitialized value");
1462 EXTCONST char warn_nosemi[]
1463 INIT("Semicolon seems to be missing");
1464 EXTCONST char warn_reserved[]
1465 INIT("Unquoted string \"%s\" may clash with future reserved word");
1466 EXTCONST char warn_nl[]
1467 INIT("Unsuccessful %s on filename containing newline");
1468 EXTCONST char no_wrongref[]
1469 INIT("Can't use %s ref as %s ref");
1470 EXTCONST char no_symref[]
1471 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1472 EXTCONST char no_usym[]
1473 INIT("Can't use an undefined value as %s reference");
1474 EXTCONST char no_aelem[]
1475 INIT("Modification of non-creatable array value attempted, subscript %d");
1476 EXTCONST char no_helem[]
1477 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1478 EXTCONST char no_modify[]
1479 INIT("Modification of a read-only value attempted");
1480 EXTCONST char no_mem[]
1481 INIT("Out of memory!\n");
1482 EXTCONST char no_security[]
1483 INIT("Insecure dependency in %s%s");
1484 EXTCONST char no_sock_func[]
1485 INIT("Unsupported socket function \"%s\" called");
1486 EXTCONST char no_dir_func[]
1487 INIT("Unsupported directory function \"%s\" called");
1488 EXTCONST char no_func[]
1489 INIT("The %s function is unimplemented");
1490 EXTCONST char no_myglob[]
1491 INIT("\"my\" variable %s can't be in a package");
1497 EXT char * cshname INIT(CSH);
1502 EXT char *sig_name[] = { SIG_NAME };
1503 EXT int sig_num[] = { SIG_NUM };
1504 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1505 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1507 EXT char *sig_name[];
1509 EXT SV * psig_ptr[];
1510 EXT SV * psig_name[];
1513 /* fast case folding tables */
1516 EXTCONST unsigned char fold[] = {
1517 0, 1, 2, 3, 4, 5, 6, 7,
1518 8, 9, 10, 11, 12, 13, 14, 15,
1519 16, 17, 18, 19, 20, 21, 22, 23,
1520 24, 25, 26, 27, 28, 29, 30, 31,
1521 32, 33, 34, 35, 36, 37, 38, 39,
1522 40, 41, 42, 43, 44, 45, 46, 47,
1523 48, 49, 50, 51, 52, 53, 54, 55,
1524 56, 57, 58, 59, 60, 61, 62, 63,
1525 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1526 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1527 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1528 'x', 'y', 'z', 91, 92, 93, 94, 95,
1529 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1530 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1531 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1532 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1533 128, 129, 130, 131, 132, 133, 134, 135,
1534 136, 137, 138, 139, 140, 141, 142, 143,
1535 144, 145, 146, 147, 148, 149, 150, 151,
1536 152, 153, 154, 155, 156, 157, 158, 159,
1537 160, 161, 162, 163, 164, 165, 166, 167,
1538 168, 169, 170, 171, 172, 173, 174, 175,
1539 176, 177, 178, 179, 180, 181, 182, 183,
1540 184, 185, 186, 187, 188, 189, 190, 191,
1541 192, 193, 194, 195, 196, 197, 198, 199,
1542 200, 201, 202, 203, 204, 205, 206, 207,
1543 208, 209, 210, 211, 212, 213, 214, 215,
1544 216, 217, 218, 219, 220, 221, 222, 223,
1545 224, 225, 226, 227, 228, 229, 230, 231,
1546 232, 233, 234, 235, 236, 237, 238, 239,
1547 240, 241, 242, 243, 244, 245, 246, 247,
1548 248, 249, 250, 251, 252, 253, 254, 255
1551 EXTCONST unsigned char fold[];
1555 EXT unsigned char fold_locale[] = {
1556 0, 1, 2, 3, 4, 5, 6, 7,
1557 8, 9, 10, 11, 12, 13, 14, 15,
1558 16, 17, 18, 19, 20, 21, 22, 23,
1559 24, 25, 26, 27, 28, 29, 30, 31,
1560 32, 33, 34, 35, 36, 37, 38, 39,
1561 40, 41, 42, 43, 44, 45, 46, 47,
1562 48, 49, 50, 51, 52, 53, 54, 55,
1563 56, 57, 58, 59, 60, 61, 62, 63,
1564 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1565 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1566 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1567 'x', 'y', 'z', 91, 92, 93, 94, 95,
1568 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1569 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1570 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1571 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1572 128, 129, 130, 131, 132, 133, 134, 135,
1573 136, 137, 138, 139, 140, 141, 142, 143,
1574 144, 145, 146, 147, 148, 149, 150, 151,
1575 152, 153, 154, 155, 156, 157, 158, 159,
1576 160, 161, 162, 163, 164, 165, 166, 167,
1577 168, 169, 170, 171, 172, 173, 174, 175,
1578 176, 177, 178, 179, 180, 181, 182, 183,
1579 184, 185, 186, 187, 188, 189, 190, 191,
1580 192, 193, 194, 195, 196, 197, 198, 199,
1581 200, 201, 202, 203, 204, 205, 206, 207,
1582 208, 209, 210, 211, 212, 213, 214, 215,
1583 216, 217, 218, 219, 220, 221, 222, 223,
1584 224, 225, 226, 227, 228, 229, 230, 231,
1585 232, 233, 234, 235, 236, 237, 238, 239,
1586 240, 241, 242, 243, 244, 245, 246, 247,
1587 248, 249, 250, 251, 252, 253, 254, 255
1590 EXT unsigned char fold_locale[];
1594 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1595 1, 2, 84, 151, 154, 155, 156, 157,
1596 165, 246, 250, 3, 158, 7, 18, 29,
1597 40, 51, 62, 73, 85, 96, 107, 118,
1598 129, 140, 147, 148, 149, 150, 152, 153,
1599 255, 182, 224, 205, 174, 176, 180, 217,
1600 233, 232, 236, 187, 235, 228, 234, 226,
1601 222, 219, 211, 195, 188, 193, 185, 184,
1602 191, 183, 201, 229, 181, 220, 194, 162,
1603 163, 208, 186, 202, 200, 218, 198, 179,
1604 178, 214, 166, 170, 207, 199, 209, 206,
1605 204, 160, 212, 216, 215, 192, 175, 173,
1606 243, 172, 161, 190, 203, 189, 164, 230,
1607 167, 248, 227, 244, 242, 255, 241, 231,
1608 240, 253, 169, 210, 245, 237, 249, 247,
1609 239, 168, 252, 251, 254, 238, 223, 221,
1610 213, 225, 177, 197, 171, 196, 159, 4,
1611 5, 6, 8, 9, 10, 11, 12, 13,
1612 14, 15, 16, 17, 19, 20, 21, 22,
1613 23, 24, 25, 26, 27, 28, 30, 31,
1614 32, 33, 34, 35, 36, 37, 38, 39,
1615 41, 42, 43, 44, 45, 46, 47, 48,
1616 49, 50, 52, 53, 54, 55, 56, 57,
1617 58, 59, 60, 61, 63, 64, 65, 66,
1618 67, 68, 69, 70, 71, 72, 74, 75,
1619 76, 77, 78, 79, 80, 81, 82, 83,
1620 86, 87, 88, 89, 90, 91, 92, 93,
1621 94, 95, 97, 98, 99, 100, 101, 102,
1622 103, 104, 105, 106, 108, 109, 110, 111,
1623 112, 113, 114, 115, 116, 117, 119, 120,
1624 121, 122, 123, 124, 125, 126, 127, 128,
1625 130, 131, 132, 133, 134, 135, 136, 137,
1626 138, 139, 141, 142, 143, 144, 145, 146
1629 EXTCONST unsigned char freq[];
1634 EXTCONST char* block_type[] = {
1643 EXTCONST char* block_type[];
1647 /*****************************************************************************/
1648 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1649 /*****************************************************************************/
1650 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1654 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1665 EXT U32 lex_state; /* next token is determined */
1666 EXT U32 lex_defer; /* state after determined token */
1667 EXT expectation lex_expect; /* expect after determined token */
1668 EXT I32 lex_brackets; /* bracket count */
1669 EXT I32 lex_formbrack; /* bracket count at outer format level */
1670 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1671 EXT I32 lex_casemods; /* casemod count */
1672 EXT I32 lex_dojoin; /* doing an array interpolation */
1673 EXT I32 lex_starts; /* how many interps done on level */
1674 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1675 EXT SV * lex_repl; /* runtime replacement from s/// */
1676 EXT OP * lex_op; /* extra info to pass back on op */
1677 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1678 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1679 EXT char * lex_brackstack; /* what kind of brackets to pop */
1680 EXT char * lex_casestack; /* what kind of case mods in effect */
1682 /* What we know when we're in LEX_KNOWNEXT state. */
1683 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1684 EXT I32 nexttype[5]; /* type of next token */
1687 EXT PerlIO * VOL rsfp INIT(Nullfp);
1690 EXT char * oldbufptr;
1691 EXT char * oldoldbufptr;
1693 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1694 EXT AV * rsfp_filters;
1696 EXT I32 multi_start; /* 1st line of multi-line string */
1697 EXT I32 multi_end; /* last line of multi-line string */
1698 EXT I32 multi_open; /* delimiter of said string */
1699 EXT I32 multi_close; /* delimiter of said string */
1702 EXT I32 error_count; /* how many errors so far, max 10 */
1703 EXT I32 subline; /* line this subroutine began on */
1704 EXT SV * subname; /* name of current subroutine */
1706 EXT CV * compcv; /* currently compiling subroutine */
1707 EXT AV * comppad; /* storage for lexically scoped temporaries */
1708 EXT AV * comppad_name; /* variable names for "my" variables */
1709 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1710 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1711 EXT I32 min_intro_pending;/* start of vars to introduce */
1712 EXT I32 max_intro_pending;/* end of vars to introduce */
1713 EXT I32 padix; /* max used index in current "register" pad */
1714 EXT I32 padix_floor; /* how low may inner block reset padix */
1715 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1718 EXT I32 thisexpr; /* name id for nothing_in_common() */
1719 EXT char * last_uni; /* position of last named-unary operator */
1720 EXT char * last_lop; /* position of last list operator */
1721 EXT OPCODE last_lop_op; /* last list operator */
1722 EXT bool in_my; /* we're compiling a "my" declaration */
1723 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1725 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1728 EXT U32 hints; /* various compilation flags */
1730 /* Note: the lowest 8 bits are reserved for
1731 stuffing into op->op_private */
1732 #define HINT_INTEGER 0x00000001
1733 #define HINT_STRICT_REFS 0x00000002
1735 #define HINT_BLOCK_SCOPE 0x00000100
1736 #define HINT_STRICT_SUBS 0x00000200
1737 #define HINT_STRICT_VARS 0x00000400
1738 #define HINT_LOCALE 0x00000800
1740 /**************************************************************************/
1741 /* This regexp stuff is global since it always happens within 1 expr eval */
1742 /**************************************************************************/
1744 EXT char * regprecomp; /* uncompiled string. */
1745 EXT char * regparse; /* Input-scan pointer. */
1746 EXT char * regxend; /* End of input for compile */
1747 EXT I32 regnpar; /* () count. */
1748 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1749 EXT I32 regsize; /* Code size. */
1750 EXT I32 regnaughty; /* How bad is this pattern? */
1751 EXT I32 regsawback; /* Did we see \1, ...? */
1753 EXT char * reginput; /* String-input pointer. */
1754 EXT char * regbol; /* Beginning of input, for ^ check. */
1755 EXT char * regeol; /* End of input, for $ check. */
1756 EXT char ** regstartp; /* Pointer to startp array. */
1757 EXT char ** regendp; /* Ditto for endp. */
1758 EXT U32 * reglastparen; /* Similarly for lastparen. */
1759 EXT char * regtill; /* How far we are required to go. */
1760 EXT U16 regflags; /* are we folding, multilining? */
1761 EXT char regprev; /* char before regbol, \n if none */
1763 EXT bool do_undump; /* -u or dump seen? */
1766 /***********************************************/
1767 /* Global only to current interpreter instance */
1768 /***********************************************/
1773 struct interpreter {
1776 #define IINIT(x) INIT(x)
1779 /* pseudo environmental stuff */
1781 IEXT char ** Iorigargv;
1785 IEXT char * Iorigfilename;
1787 IEXT SV * Iwarnhook;
1788 IEXT SV * Iparsehook;
1790 /* Various states of an input record separator SV (rs, nrs) */
1791 #define RsSNARF(sv) (! SvOK(sv))
1792 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1793 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1798 IEXT char Ipatchlevel[10];
1799 IEXT char ** Ilocalpatches;
1801 IEXT char * Isplitstr IINIT(" ");
1802 IEXT bool Ipreprocess;
1808 IEXT bool Idoswitches;
1810 IEXT bool Idoextract;
1811 IEXT bool Isawampersand; /* must save all match strings */
1812 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1815 IEXT char * Iinplace;
1816 IEXT char * Ie_tmpname;
1817 IEXT PerlIO * Ie_fp;
1819 /* This value may be raised by extensions for testing purposes */
1820 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1822 /* magical thingies */
1823 IEXT Time_t Ibasetime; /* $^T */
1824 IEXT SV * Iformfeed; /* $^L */
1825 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1826 IEXT SV * Irs; /* $/ */
1827 IEXT char * Iofs; /* $, */
1828 IEXT STRLEN Iofslen;
1829 IEXT char * Iors; /* $\ */
1830 IEXT STRLEN Iorslen;
1831 IEXT char * Iofmt; /* $# */
1832 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1833 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1834 IEXT I32 Istatusvalue; /* $? */
1836 IEXT U32 Istatusvalue_vms;
1839 IEXT struct stat Istatcache; /* _ */
1841 IEXT SV * Istatname IINIT(Nullsv);
1843 /* shortcuts to various I/O objects */
1845 IEXT GV * Ilast_in_gv;
1848 IEXT GV * Idefoutgv;
1849 IEXT GV * Iargvoutgv;
1851 /* shortcuts to regexp stuff */
1855 IEXT PMOP * Icurpm; /* what to do \ interps from */
1856 IEXT I32 * Iscreamfirst;
1857 IEXT I32 * Iscreamnext;
1858 IEXT I32 Imaxscream IINIT(-1);
1859 IEXT SV * Ilastscream;
1861 /* shortcuts to misc objects */
1865 /* shortcuts to debugging objects */
1869 IEXT SV * IDBsingle;
1871 IEXT SV * IDBsignal;
1872 IEXT AV * Ilineary; /* lines of script for debugger */
1873 IEXT AV * Idbargs; /* args to call listed by caller function */
1876 IEXT HV * Idefstash; /* main symbol table */
1877 IEXT HV * Icurstash; /* symbol table for current package */
1878 IEXT HV * Idebstash; /* symbol table for perldb package */
1879 IEXT SV * Icurstname; /* name of current package */
1880 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1881 IEXT AV * Iendav; /* names of END subroutines */
1882 IEXT AV * Iinitav; /* names of INIT subroutines */
1883 IEXT HV * Istrtab; /* shared string table */
1885 /* memory management */
1886 IEXT SV ** Itmps_stack;
1887 IEXT I32 Itmps_ix IINIT(-1);
1888 IEXT I32 Itmps_floor IINIT(-1);
1890 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1891 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1892 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1893 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1895 /* funky return mechanisms */
1896 IEXT I32 Ilastspbase;
1898 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1900 /* subprocess state */
1901 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1903 /* internal state */
1904 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1905 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1906 IEXT int Idelaymagic; /* ($<,$>) = ... */
1907 IEXT bool Idirty; /* In the middle of tearing things down? */
1908 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1909 IEXT bool Itainted; /* using variables controlled by $< */
1910 IEXT bool Itainting; /* doing taint checks */
1911 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1915 IEXT I32 Idlmax IINIT(128);
1916 IEXT char * Idebname;
1917 IEXT char * Idebdelim;
1919 /* current interpreter roots */
1921 IEXT OP * Imain_root;
1922 IEXT OP * Imain_start;
1923 IEXT OP * Ieval_root;
1924 IEXT OP * Ieval_start;
1926 /* runtime control stuff */
1927 IEXT COP * VOL Icurcop IINIT(&compiling);
1928 IEXT COP * Icurcopdb IINIT(NULL);
1929 IEXT line_t Icopline IINIT(NOLINE);
1930 IEXT CONTEXT * Icxstack;
1931 IEXT I32 Icxstack_ix IINIT(-1);
1932 IEXT I32 Icxstack_max IINIT(128);
1933 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1934 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1938 IEXT AV * Icurstack; /* THE STACK */
1939 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1941 /* format accumulators */
1942 IEXT SV * Iformtarget;
1943 IEXT SV * Ibodytarget;
1944 IEXT SV * Itoptarget;
1946 /* statics moved here for shared library purposes */
1947 IEXT SV Istrchop; /* return value from chop */
1948 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1949 IEXT int Ilastfd; /* what to preserve mode on */
1950 IEXT char * Ioldname; /* what to preserve mode on */
1951 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1952 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1953 IEXT OP * Isortcop; /* user defined sort routine */
1954 IEXT HV * Isortstash; /* which is in some package or other */
1955 IEXT GV * Ifirstgv; /* $a */
1956 IEXT GV * Isecondgv; /* $b */
1957 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1958 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1959 IEXT SV * Imystrk; /* temp key string for do_each() */
1960 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1961 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1962 IEXT I32 Igensym; /* next symbol for getsym() to define */
1963 IEXT bool Ipreambled;
1964 IEXT AV * Ipreambleav;
1965 IEXT int Ilaststatval IINIT(-1);
1966 IEXT I32 Ilaststype IINIT(OP_STAT);
1971 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1972 #endif /* USE_THREADS */
1980 struct interpreter {
1995 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1996 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1998 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1999 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2006 /* The following must follow proto.h */
2010 EXT MGVTBL vtbl_sv = {magic_get,
2014 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2015 0, magic_clear_all_env,
2017 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2020 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2021 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2025 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2027 EXT MGVTBL vtbl_packelem = {magic_getpack,
2031 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2033 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2036 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2038 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2041 EXT MGVTBL vtbl_glob = {magic_getglob,
2044 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2046 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2048 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2050 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2052 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2054 EXT MGVTBL vtbl_pos = {magic_getpos,
2057 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2059 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2061 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2065 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2066 #endif /* USE_THREADS */
2067 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2068 0, 0, magic_freedefelem};
2070 #ifdef USE_LOCALE_COLLATE
2071 EXT MGVTBL vtbl_collxfrm = {0,
2077 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2078 0, 0, magic_setamagic};
2079 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2080 0, 0, magic_setamagic};
2081 #endif /* OVERLOAD */
2086 EXT MGVTBL vtbl_env;
2087 EXT MGVTBL vtbl_envelem;
2088 EXT MGVTBL vtbl_sig;
2089 EXT MGVTBL vtbl_sigelem;
2090 EXT MGVTBL vtbl_pack;
2091 EXT MGVTBL vtbl_packelem;
2092 EXT MGVTBL vtbl_dbline;
2093 EXT MGVTBL vtbl_isa;
2094 EXT MGVTBL vtbl_isaelem;
2095 EXT MGVTBL vtbl_arylen;
2096 EXT MGVTBL vtbl_glob;
2097 EXT MGVTBL vtbl_mglob;
2098 EXT MGVTBL vtbl_nkeys;
2099 EXT MGVTBL vtbl_taint;
2100 EXT MGVTBL vtbl_substr;
2101 EXT MGVTBL vtbl_vec;
2102 EXT MGVTBL vtbl_pos;
2105 EXT MGVTBL vtbl_uvar;
2108 EXT MGVTBL vtbl_mutex;
2109 #endif /* USE_THREADS */
2111 EXT MGVTBL vtbl_defelem;
2113 #ifdef USE_LOCALE_COLLATE
2114 EXT MGVTBL vtbl_collxfrm;
2118 EXT MGVTBL vtbl_amagic;
2119 EXT MGVTBL vtbl_amagicelem;
2120 #endif /* OVERLOAD */
2122 #endif /* !DOINIT */
2126 EXT long amagic_generation;
2128 #define NofAMmeth 58
2130 EXTCONST char * AMG_names[NofAMmeth] = {
2131 "fallback", "abs", /* "fallback" should be the first. */
2162 EXTCONST char * AMG_names[NofAMmeth];
2163 #endif /* def INITAMAGIC */
2169 CV* table[NofAMmeth];
2172 struct am_table_short {
2177 typedef struct am_table AMT;
2178 typedef struct am_table_short AMTS;
2180 #define AMGfallNEVER 1
2182 #define AMGfallYES 3
2184 #define AMTf_AMAGIC 1
2185 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2186 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2187 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2190 fallback_amg, abs_amg,
2191 bool__amg, nomethod_amg,
2192 string_amg, numer_amg,
2193 add_amg, add_ass_amg,
2194 subtr_amg, subtr_ass_amg,
2195 mult_amg, mult_ass_amg,
2196 div_amg, div_ass_amg,
2197 mod_amg, mod_ass_amg,
2198 pow_amg, pow_ass_amg,
2199 lshift_amg, lshift_ass_amg,
2200 rshift_amg, rshift_ass_amg,
2201 band_amg, band_ass_amg,
2202 bor_amg, bor_ass_amg,
2203 bxor_amg, bxor_ass_amg,
2216 repeat_amg, repeat_ass_amg,
2217 concat_amg, concat_ass_amg,
2222 * some compilers like to redefine cos et alia as faster
2223 * (and less accurate?) versions called F_cos et cetera (Quidquid
2224 * latine dictum sit, altum viditur.) This trick collides with
2225 * the Perl overloading (amg). The following #defines fool both.
2230 # define F_atan2_amg atan2_amg
2233 # define F_cos_amg cos_amg
2236 # define F_exp_amg exp_amg
2239 # define F_log_amg log_amg
2242 # define F_pow_amg pow_amg
2245 # define F_sin_amg sin_amg
2248 # define F_sqrt_amg sqrt_amg
2250 #endif /* _FASTMATH */
2252 #endif /* OVERLOAD */
2254 #define PERLDB_ALL 0xff
2255 #define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2256 #define PERLDBf_LINE 0x02 /* Keep line #. */
2257 #define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2258 #define PERLDBf_INTER 0x08 /* Preserve more data for
2259 later inspections. */
2260 #define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2261 #define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2263 #define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2264 #define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2265 #define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2266 #define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2267 #define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2268 #define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2270 #ifdef USE_LOCALE_COLLATE
2271 EXT U32 collation_ix; /* Collation generation index */
2272 EXT char * collation_name; /* Name of current collation */
2273 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2274 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2275 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2276 #endif /* USE_LOCALE_COLLATE */
2278 #ifdef USE_LOCALE_NUMERIC
2280 EXT char * numeric_name; /* Name of current numeric locale */
2281 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2282 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2284 #define SET_NUMERIC_STANDARD() \
2286 if (! numeric_standard) \
2287 perl_set_numeric_standard(); \
2290 #define SET_NUMERIC_LOCAL() \
2292 if (! numeric_local) \
2293 perl_set_numeric_local(); \
2296 #else /* !USE_LOCALE_NUMERIC */
2298 #define SET_NUMERIC_STANDARD() /**/
2299 #define SET_NUMERIC_LOCAL() /**/
2301 #endif /* !USE_LOCALE_NUMERIC */
2303 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2305 * Now we have __attribute__ out of the way
2308 #define printf PerlIO_stdoutf
2312 * nice_chunk and nice_chunk size need to be set
2313 * and queried under the protection of sv_mutex
2315 #define offer_nice_chunk(chunk, chunk_size) do { \
2316 MUTEX_LOCK(&sv_mutex); \
2317 if (!nice_chunk) { \
2318 nice_chunk = (char*)(chunk); \
2319 nice_chunk_size = (chunk_size); \
2321 MUTEX_UNLOCK(&sv_mutex); \
2324 #endif /* Include guard */