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!@"
1342 #define N_PER_THREAD_MAGICALS 30
1349 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1351 EXT perl_key thr_key; /* For per-thread struct thread ptr */
1352 EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1353 EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1354 EXT perl_mutex eval_mutex; /* Mutex for doeval */
1355 EXT perl_cond eval_cond; /* Condition variable for doeval */
1356 EXT struct thread * eval_owner; /* Owner thread for doeval */
1357 EXT int nthreads; /* Number of threads currently */
1358 EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
1359 EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
1360 EXT char * per_thread_magicals INIT(PER_THREAD_MAGICALS);
1362 EXT struct thread * thr; /* Currently executing (fake) thread */
1364 #endif /* USE_THREADS */
1366 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1367 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1368 #ifndef DONT_DECLARE_STD
1369 extern char ** environ; /* environment variables supplied via exec */
1372 # if defined(NeXT) && defined(__DYNAMIC__)
1374 # include <mach-o/dyld.h>
1375 EXT char *** environ_pointer;
1376 # define environ (*environ_pointer)
1378 #endif /* environ processing */
1380 EXT int uid; /* current real user id */
1381 EXT int euid; /* current effective user id */
1382 EXT int gid; /* current real group id */
1383 EXT int egid; /* current effective group id */
1384 EXT bool nomemok; /* let malloc context handle nomem */
1385 EXT U32 an; /* malloc sequence number */
1386 EXT U32 cop_seqmax; /* statement sequence number */
1387 EXT U16 op_seqmax; /* op sequence number */
1388 EXT U32 evalseq; /* eval sequence number */
1389 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1390 EXT char ** origenviron;
1392 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1393 EXT U32 * profiledata;
1394 EXT int maxo INIT(MAXO);/* Number of ops */
1395 EXT char * osname; /* operating system */
1396 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1397 EXT Sighandler_t sighandlerp;
1399 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1400 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1401 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1402 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1403 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1404 EXT HE * he_root; /* free he list--shared by interpreters */
1405 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1406 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1408 /* Stack for currently executing thread--context switch must handle this. */
1409 EXT SV ** stack_base; /* stack->array_ary */
1410 EXT SV ** stack_sp; /* stack pointer now */
1411 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1413 /* likewise for these */
1415 #ifdef OP_IN_REGISTER
1416 EXT OP * opsave; /* save current op register across longjmps */
1418 EXT OP * op; /* current op--when not in a global register */
1420 EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
1421 EXT I32 * scopestack; /* blocks we've entered */
1422 EXT I32 scopestack_ix;
1423 EXT I32 scopestack_max;
1425 EXT ANY* savestack; /* to save non-local values on */
1426 EXT I32 savestack_ix;
1427 EXT I32 savestack_max;
1429 EXT OP ** retstack; /* returns we've pushed */
1430 EXT I32 retstack_ix;
1431 EXT I32 retstack_max;
1433 EXT I32 * markstack; /* stackmarks we're remembering */
1434 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1435 EXT I32 * markstack_max; /* stackmarks we're remembering */
1442 EXT char tokenbuf[256];
1443 EXT struct stat statbuf;
1445 EXT struct tms timesbuf;
1447 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1449 /* for tmp use in stupid debuggers */
1454 /* handy constants */
1455 EXTCONST char * Yes INIT("1");
1456 EXTCONST char * No INIT("");
1457 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1458 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1459 EXTCONST char * vert INIT("|");
1461 EXTCONST char warn_uninit[]
1462 INIT("Use of uninitialized value");
1463 EXTCONST char warn_nosemi[]
1464 INIT("Semicolon seems to be missing");
1465 EXTCONST char warn_reserved[]
1466 INIT("Unquoted string \"%s\" may clash with future reserved word");
1467 EXTCONST char warn_nl[]
1468 INIT("Unsuccessful %s on filename containing newline");
1469 EXTCONST char no_wrongref[]
1470 INIT("Can't use %s ref as %s ref");
1471 EXTCONST char no_symref[]
1472 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1473 EXTCONST char no_usym[]
1474 INIT("Can't use an undefined value as %s reference");
1475 EXTCONST char no_aelem[]
1476 INIT("Modification of non-creatable array value attempted, subscript %d");
1477 EXTCONST char no_helem[]
1478 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1479 EXTCONST char no_modify[]
1480 INIT("Modification of a read-only value attempted");
1481 EXTCONST char no_mem[]
1482 INIT("Out of memory!\n");
1483 EXTCONST char no_security[]
1484 INIT("Insecure dependency in %s%s");
1485 EXTCONST char no_sock_func[]
1486 INIT("Unsupported socket function \"%s\" called");
1487 EXTCONST char no_dir_func[]
1488 INIT("Unsupported directory function \"%s\" called");
1489 EXTCONST char no_func[]
1490 INIT("The %s function is unimplemented");
1491 EXTCONST char no_myglob[]
1492 INIT("\"my\" variable %s can't be in a package");
1498 EXT char * cshname INIT(CSH);
1503 EXT char *sig_name[] = { SIG_NAME };
1504 EXT int sig_num[] = { SIG_NUM };
1505 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1506 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1508 EXT char *sig_name[];
1510 EXT SV * psig_ptr[];
1511 EXT SV * psig_name[];
1514 /* fast case folding tables */
1517 EXTCONST unsigned char fold[] = {
1518 0, 1, 2, 3, 4, 5, 6, 7,
1519 8, 9, 10, 11, 12, 13, 14, 15,
1520 16, 17, 18, 19, 20, 21, 22, 23,
1521 24, 25, 26, 27, 28, 29, 30, 31,
1522 32, 33, 34, 35, 36, 37, 38, 39,
1523 40, 41, 42, 43, 44, 45, 46, 47,
1524 48, 49, 50, 51, 52, 53, 54, 55,
1525 56, 57, 58, 59, 60, 61, 62, 63,
1526 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1527 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1528 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1529 'x', 'y', 'z', 91, 92, 93, 94, 95,
1530 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1531 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1532 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1533 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1534 128, 129, 130, 131, 132, 133, 134, 135,
1535 136, 137, 138, 139, 140, 141, 142, 143,
1536 144, 145, 146, 147, 148, 149, 150, 151,
1537 152, 153, 154, 155, 156, 157, 158, 159,
1538 160, 161, 162, 163, 164, 165, 166, 167,
1539 168, 169, 170, 171, 172, 173, 174, 175,
1540 176, 177, 178, 179, 180, 181, 182, 183,
1541 184, 185, 186, 187, 188, 189, 190, 191,
1542 192, 193, 194, 195, 196, 197, 198, 199,
1543 200, 201, 202, 203, 204, 205, 206, 207,
1544 208, 209, 210, 211, 212, 213, 214, 215,
1545 216, 217, 218, 219, 220, 221, 222, 223,
1546 224, 225, 226, 227, 228, 229, 230, 231,
1547 232, 233, 234, 235, 236, 237, 238, 239,
1548 240, 241, 242, 243, 244, 245, 246, 247,
1549 248, 249, 250, 251, 252, 253, 254, 255
1552 EXTCONST unsigned char fold[];
1556 EXT unsigned char fold_locale[] = {
1557 0, 1, 2, 3, 4, 5, 6, 7,
1558 8, 9, 10, 11, 12, 13, 14, 15,
1559 16, 17, 18, 19, 20, 21, 22, 23,
1560 24, 25, 26, 27, 28, 29, 30, 31,
1561 32, 33, 34, 35, 36, 37, 38, 39,
1562 40, 41, 42, 43, 44, 45, 46, 47,
1563 48, 49, 50, 51, 52, 53, 54, 55,
1564 56, 57, 58, 59, 60, 61, 62, 63,
1565 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1566 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1567 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1568 'x', 'y', 'z', 91, 92, 93, 94, 95,
1569 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1570 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1571 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1572 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1573 128, 129, 130, 131, 132, 133, 134, 135,
1574 136, 137, 138, 139, 140, 141, 142, 143,
1575 144, 145, 146, 147, 148, 149, 150, 151,
1576 152, 153, 154, 155, 156, 157, 158, 159,
1577 160, 161, 162, 163, 164, 165, 166, 167,
1578 168, 169, 170, 171, 172, 173, 174, 175,
1579 176, 177, 178, 179, 180, 181, 182, 183,
1580 184, 185, 186, 187, 188, 189, 190, 191,
1581 192, 193, 194, 195, 196, 197, 198, 199,
1582 200, 201, 202, 203, 204, 205, 206, 207,
1583 208, 209, 210, 211, 212, 213, 214, 215,
1584 216, 217, 218, 219, 220, 221, 222, 223,
1585 224, 225, 226, 227, 228, 229, 230, 231,
1586 232, 233, 234, 235, 236, 237, 238, 239,
1587 240, 241, 242, 243, 244, 245, 246, 247,
1588 248, 249, 250, 251, 252, 253, 254, 255
1591 EXT unsigned char fold_locale[];
1595 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1596 1, 2, 84, 151, 154, 155, 156, 157,
1597 165, 246, 250, 3, 158, 7, 18, 29,
1598 40, 51, 62, 73, 85, 96, 107, 118,
1599 129, 140, 147, 148, 149, 150, 152, 153,
1600 255, 182, 224, 205, 174, 176, 180, 217,
1601 233, 232, 236, 187, 235, 228, 234, 226,
1602 222, 219, 211, 195, 188, 193, 185, 184,
1603 191, 183, 201, 229, 181, 220, 194, 162,
1604 163, 208, 186, 202, 200, 218, 198, 179,
1605 178, 214, 166, 170, 207, 199, 209, 206,
1606 204, 160, 212, 216, 215, 192, 175, 173,
1607 243, 172, 161, 190, 203, 189, 164, 230,
1608 167, 248, 227, 244, 242, 255, 241, 231,
1609 240, 253, 169, 210, 245, 237, 249, 247,
1610 239, 168, 252, 251, 254, 238, 223, 221,
1611 213, 225, 177, 197, 171, 196, 159, 4,
1612 5, 6, 8, 9, 10, 11, 12, 13,
1613 14, 15, 16, 17, 19, 20, 21, 22,
1614 23, 24, 25, 26, 27, 28, 30, 31,
1615 32, 33, 34, 35, 36, 37, 38, 39,
1616 41, 42, 43, 44, 45, 46, 47, 48,
1617 49, 50, 52, 53, 54, 55, 56, 57,
1618 58, 59, 60, 61, 63, 64, 65, 66,
1619 67, 68, 69, 70, 71, 72, 74, 75,
1620 76, 77, 78, 79, 80, 81, 82, 83,
1621 86, 87, 88, 89, 90, 91, 92, 93,
1622 94, 95, 97, 98, 99, 100, 101, 102,
1623 103, 104, 105, 106, 108, 109, 110, 111,
1624 112, 113, 114, 115, 116, 117, 119, 120,
1625 121, 122, 123, 124, 125, 126, 127, 128,
1626 130, 131, 132, 133, 134, 135, 136, 137,
1627 138, 139, 141, 142, 143, 144, 145, 146
1630 EXTCONST unsigned char freq[];
1635 EXTCONST char* block_type[] = {
1644 EXTCONST char* block_type[];
1648 /*****************************************************************************/
1649 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1650 /*****************************************************************************/
1651 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1655 #define LEX_NOTPARSING 11 /* borrowed from toke.c */
1666 EXT U32 lex_state; /* next token is determined */
1667 EXT U32 lex_defer; /* state after determined token */
1668 EXT expectation lex_expect; /* expect after determined token */
1669 EXT I32 lex_brackets; /* bracket count */
1670 EXT I32 lex_formbrack; /* bracket count at outer format level */
1671 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1672 EXT I32 lex_casemods; /* casemod count */
1673 EXT I32 lex_dojoin; /* doing an array interpolation */
1674 EXT I32 lex_starts; /* how many interps done on level */
1675 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1676 EXT SV * lex_repl; /* runtime replacement from s/// */
1677 EXT OP * lex_op; /* extra info to pass back on op */
1678 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1679 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1680 EXT char * lex_brackstack; /* what kind of brackets to pop */
1681 EXT char * lex_casestack; /* what kind of case mods in effect */
1683 /* What we know when we're in LEX_KNOWNEXT state. */
1684 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1685 EXT I32 nexttype[5]; /* type of next token */
1688 EXT PerlIO * VOL rsfp INIT(Nullfp);
1691 EXT char * oldbufptr;
1692 EXT char * oldoldbufptr;
1694 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1695 EXT AV * rsfp_filters;
1697 EXT I32 multi_start; /* 1st line of multi-line string */
1698 EXT I32 multi_end; /* last line of multi-line string */
1699 EXT I32 multi_open; /* delimiter of said string */
1700 EXT I32 multi_close; /* delimiter of said string */
1703 EXT I32 error_count; /* how many errors so far, max 10 */
1704 EXT I32 subline; /* line this subroutine began on */
1705 EXT SV * subname; /* name of current subroutine */
1707 EXT CV * compcv; /* currently compiling subroutine */
1708 EXT AV * comppad; /* storage for lexically scoped temporaries */
1709 EXT AV * comppad_name; /* variable names for "my" variables */
1710 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1711 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1712 EXT I32 min_intro_pending;/* start of vars to introduce */
1713 EXT I32 max_intro_pending;/* end of vars to introduce */
1714 EXT I32 padix; /* max used index in current "register" pad */
1715 EXT I32 padix_floor; /* how low may inner block reset padix */
1716 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1719 EXT I32 thisexpr; /* name id for nothing_in_common() */
1720 EXT char * last_uni; /* position of last named-unary operator */
1721 EXT char * last_lop; /* position of last list operator */
1722 EXT OPCODE last_lop_op; /* last list operator */
1723 EXT bool in_my; /* we're compiling a "my" declaration */
1724 EXT HV * in_my_stash; /* declared class of this "my" declaration */
1726 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1729 EXT U32 hints; /* various compilation flags */
1731 /* Note: the lowest 8 bits are reserved for
1732 stuffing into op->op_private */
1733 #define HINT_INTEGER 0x00000001
1734 #define HINT_STRICT_REFS 0x00000002
1736 #define HINT_BLOCK_SCOPE 0x00000100
1737 #define HINT_STRICT_SUBS 0x00000200
1738 #define HINT_STRICT_VARS 0x00000400
1739 #define HINT_LOCALE 0x00000800
1741 /**************************************************************************/
1742 /* This regexp stuff is global since it always happens within 1 expr eval */
1743 /**************************************************************************/
1745 EXT char * regprecomp; /* uncompiled string. */
1746 EXT char * regparse; /* Input-scan pointer. */
1747 EXT char * regxend; /* End of input for compile */
1748 EXT I32 regnpar; /* () count. */
1749 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1750 EXT I32 regsize; /* Code size. */
1751 EXT I32 regnaughty; /* How bad is this pattern? */
1752 EXT I32 regsawback; /* Did we see \1, ...? */
1754 EXT char * reginput; /* String-input pointer. */
1755 EXT char * regbol; /* Beginning of input, for ^ check. */
1756 EXT char * regeol; /* End of input, for $ check. */
1757 EXT char ** regstartp; /* Pointer to startp array. */
1758 EXT char ** regendp; /* Ditto for endp. */
1759 EXT U32 * reglastparen; /* Similarly for lastparen. */
1760 EXT char * regtill; /* How far we are required to go. */
1761 EXT U16 regflags; /* are we folding, multilining? */
1762 EXT char regprev; /* char before regbol, \n if none */
1764 EXT bool do_undump; /* -u or dump seen? */
1767 /***********************************************/
1768 /* Global only to current interpreter instance */
1769 /***********************************************/
1774 struct interpreter {
1777 #define IINIT(x) INIT(x)
1780 /* pseudo environmental stuff */
1782 IEXT char ** Iorigargv;
1786 IEXT char * Iorigfilename;
1788 IEXT SV * Iwarnhook;
1789 IEXT SV * Iparsehook;
1791 /* Various states of an input record separator SV (rs, nrs) */
1792 #define RsSNARF(sv) (! SvOK(sv))
1793 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1794 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1799 IEXT char Ipatchlevel[10];
1800 IEXT char ** Ilocalpatches;
1802 IEXT char * Isplitstr IINIT(" ");
1803 IEXT bool Ipreprocess;
1809 IEXT bool Idoswitches;
1811 IEXT bool Idoextract;
1812 IEXT bool Isawampersand; /* must save all match strings */
1813 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1816 IEXT char * Iinplace;
1817 IEXT char * Ie_tmpname;
1818 IEXT PerlIO * Ie_fp;
1820 /* This value may be raised by extensions for testing purposes */
1821 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1823 /* magical thingies */
1824 IEXT Time_t Ibasetime; /* $^T */
1825 IEXT SV * Iformfeed; /* $^L */
1826 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1827 IEXT SV * Irs; /* $/ */
1828 IEXT char * Iofs; /* $, */
1829 IEXT STRLEN Iofslen;
1830 IEXT char * Iors; /* $\ */
1831 IEXT STRLEN Iorslen;
1832 IEXT char * Iofmt; /* $# */
1833 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1834 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1835 IEXT I32 Istatusvalue; /* $? */
1837 IEXT U32 Istatusvalue_vms;
1840 IEXT struct stat Istatcache; /* _ */
1842 IEXT SV * Istatname IINIT(Nullsv);
1844 /* shortcuts to various I/O objects */
1846 IEXT GV * Ilast_in_gv;
1849 IEXT GV * Idefoutgv;
1850 IEXT GV * Iargvoutgv;
1852 /* shortcuts to regexp stuff */
1856 IEXT PMOP * Icurpm; /* what to do \ interps from */
1857 IEXT I32 * Iscreamfirst;
1858 IEXT I32 * Iscreamnext;
1859 IEXT I32 Imaxscream IINIT(-1);
1860 IEXT SV * Ilastscream;
1862 /* shortcuts to misc objects */
1866 /* shortcuts to debugging objects */
1870 IEXT SV * IDBsingle;
1872 IEXT SV * IDBsignal;
1873 IEXT AV * Ilineary; /* lines of script for debugger */
1874 IEXT AV * Idbargs; /* args to call listed by caller function */
1877 IEXT HV * Idefstash; /* main symbol table */
1878 IEXT HV * Icurstash; /* symbol table for current package */
1879 IEXT HV * Idebstash; /* symbol table for perldb package */
1880 IEXT SV * Icurstname; /* name of current package */
1881 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1882 IEXT AV * Iendav; /* names of END subroutines */
1883 IEXT AV * Iinitav; /* names of INIT subroutines */
1884 IEXT HV * Istrtab; /* shared string table */
1886 /* memory management */
1887 IEXT SV ** Itmps_stack;
1888 IEXT I32 Itmps_ix IINIT(-1);
1889 IEXT I32 Itmps_floor IINIT(-1);
1891 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1892 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1893 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1894 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1896 /* funky return mechanisms */
1897 IEXT I32 Ilastspbase;
1899 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1901 /* subprocess state */
1902 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1904 /* internal state */
1905 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1906 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1907 IEXT int Idelaymagic; /* ($<,$>) = ... */
1908 IEXT bool Idirty; /* In the middle of tearing things down? */
1909 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1910 IEXT bool Itainted; /* using variables controlled by $< */
1911 IEXT bool Itainting; /* doing taint checks */
1912 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1916 IEXT I32 Idlmax IINIT(128);
1917 IEXT char * Idebname;
1918 IEXT char * Idebdelim;
1920 /* current interpreter roots */
1922 IEXT OP * Imain_root;
1923 IEXT OP * Imain_start;
1924 IEXT OP * Ieval_root;
1925 IEXT OP * Ieval_start;
1927 /* runtime control stuff */
1928 IEXT COP * VOL Icurcop IINIT(&compiling);
1929 IEXT COP * Icurcopdb IINIT(NULL);
1930 IEXT line_t Icopline IINIT(NOLINE);
1931 IEXT CONTEXT * Icxstack;
1932 IEXT I32 Icxstack_ix IINIT(-1);
1933 IEXT I32 Icxstack_max IINIT(128);
1934 IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1935 IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
1939 IEXT AV * Icurstack; /* THE STACK */
1940 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1942 /* format accumulators */
1943 IEXT SV * Iformtarget;
1944 IEXT SV * Ibodytarget;
1945 IEXT SV * Itoptarget;
1947 /* statics moved here for shared library purposes */
1948 IEXT SV Istrchop; /* return value from chop */
1949 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1950 IEXT int Ilastfd; /* what to preserve mode on */
1951 IEXT char * Ioldname; /* what to preserve mode on */
1952 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1953 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1954 IEXT OP * Isortcop; /* user defined sort routine */
1955 IEXT HV * Isortstash; /* which is in some package or other */
1956 IEXT GV * Ifirstgv; /* $a */
1957 IEXT GV * Isecondgv; /* $b */
1958 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1959 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1960 IEXT SV * Imystrk; /* temp key string for do_each() */
1961 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1962 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1963 IEXT I32 Igensym; /* next symbol for getsym() to define */
1964 IEXT bool Ipreambled;
1965 IEXT AV * Ipreambleav;
1966 IEXT int Ilaststatval IINIT(-1);
1967 IEXT I32 Ilaststype IINIT(OP_STAT);
1972 IEXT SV * Ithrsv; /* holds struct thread for main thread */
1973 IEXT perl_mutex Ikeys_mutex; /* protects keys and magical_keys */
1974 IEXT SV * Ikeys; /* each char marks a per-thread key in-use */
1975 IEXT PADOFFSET Imagical_keys[N_PER_THREAD_MAGICALS];
1976 /* index is position in per_thread_magicals */
1977 #endif /* USE_THREADS */
1985 struct interpreter {
2000 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
2001 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
2003 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
2004 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2011 /* The following must follow proto.h */
2015 EXT MGVTBL vtbl_sv = {magic_get,
2019 EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2020 0, magic_clear_all_env,
2022 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
2025 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
2026 EXT MGVTBL vtbl_sigelem = {magic_getsig,
2030 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
2032 EXT MGVTBL vtbl_packelem = {magic_getpack,
2036 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
2038 EXT MGVTBL vtbl_isa = {0, magic_setisa,
2041 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
2043 EXT MGVTBL vtbl_arylen = {magic_getarylen,
2046 EXT MGVTBL vtbl_glob = {magic_getglob,
2049 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
2051 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2053 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
2055 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
2057 EXT MGVTBL vtbl_vec = {0, magic_setvec,
2059 EXT MGVTBL vtbl_pos = {magic_getpos,
2062 EXT MGVTBL vtbl_bm = {0, magic_setbm,
2064 EXT MGVTBL vtbl_fm = {0, magic_setfm,
2066 EXT MGVTBL vtbl_uvar = {magic_getuvar,
2070 EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2071 #endif /* USE_THREADS */
2072 EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2073 0, 0, magic_freedefelem};
2075 #ifdef USE_LOCALE_COLLATE
2076 EXT MGVTBL vtbl_collxfrm = {0,
2082 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
2083 0, 0, magic_setamagic};
2084 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
2085 0, 0, magic_setamagic};
2086 #endif /* OVERLOAD */
2091 EXT MGVTBL vtbl_env;
2092 EXT MGVTBL vtbl_envelem;
2093 EXT MGVTBL vtbl_sig;
2094 EXT MGVTBL vtbl_sigelem;
2095 EXT MGVTBL vtbl_pack;
2096 EXT MGVTBL vtbl_packelem;
2097 EXT MGVTBL vtbl_dbline;
2098 EXT MGVTBL vtbl_isa;
2099 EXT MGVTBL vtbl_isaelem;
2100 EXT MGVTBL vtbl_arylen;
2101 EXT MGVTBL vtbl_glob;
2102 EXT MGVTBL vtbl_mglob;
2103 EXT MGVTBL vtbl_nkeys;
2104 EXT MGVTBL vtbl_taint;
2105 EXT MGVTBL vtbl_substr;
2106 EXT MGVTBL vtbl_vec;
2107 EXT MGVTBL vtbl_pos;
2110 EXT MGVTBL vtbl_uvar;
2113 EXT MGVTBL vtbl_mutex;
2114 #endif /* USE_THREADS */
2116 EXT MGVTBL vtbl_defelem;
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
2317 * nice_chunk and nice_chunk size need to be set
2318 * and queried under the protection of sv_mutex
2320 #define offer_nice_chunk(chunk, chunk_size) do { \
2321 MUTEX_LOCK(&sv_mutex); \
2322 if (!nice_chunk) { \
2323 nice_chunk = (char*)(chunk); \
2324 nice_chunk_size = (chunk_size); \
2326 MUTEX_UNLOCK(&sv_mutex); \
2329 #endif /* Include guard */