3 * Copyright (c) 1987-1994, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
15 * This file is being used for x2p stuff.
16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
17 * Decouple x2p stuff from some of perls more extreme eccentricities.
25 #endif /* PERL_FOR_X2P */
33 * STMT_START { statements; } STMT_END;
34 * can be used as a single statement, as in
35 * if (x) STMT_START { ... } STMT_END; else ...
37 * Trying to select a version that gives no warnings...
39 #if !(defined(STMT_START) && defined(STMT_END))
40 # if defined(__GNUC__) && !defined(__STRICT_ANSI__)
41 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
44 /* Now which other defined()s do we need here ??? */
45 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
46 # define STMT_START if (1)
47 # define STMT_END else (void)0
49 # define STMT_START do
50 # define STMT_END while (0)
56 * SOFT_CAST can be used for args to prototyped functions to retain some
57 * type checking; it only casts if the compiler does not know prototypes.
59 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
60 #define SOFT_CAST(type)
62 #define SOFT_CAST(type) (type)
66 # define BYTEORDER 0x1234
69 /* Overall memory policy? */
75 * The following contortions are brought to you on behalf of all the
76 * standards, semi-standards, de facto standards, not-so-de-facto standards
77 * of the world, as well as all the other botches anyone ever thought of.
78 * The basic theory is that if we work hard enough here, the rest of the
79 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
82 /* define this once if either system, instead of cluttering up the src */
83 #if defined(MSDOS) || defined(atarist)
87 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
91 #if defined(HASVOLATILE) || defined(STANDARD_C)
93 # define VOL // to temporarily suppress warnings
101 #define TAINT (tainted = TRUE)
102 #define TAINT_NOT (tainted = FALSE)
103 #define TAINT_IF(c) if (c) { tainted = TRUE; }
104 #define TAINT_ENV() if (tainting) { taint_env(); }
105 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
107 /* XXX All process group stuff is handled in pp_sys.c. Should these
108 defines move there? If so, I could simplify this a lot. --AD 9/96.
110 /* Process group stuff changed from traditional BSD to POSIX.
111 perlfunc.pod documents the traditional BSD-style syntax, so we'll
112 try to preserve that, if possible.
115 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
117 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
118 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
120 # ifdef HAS_SETPGRP2 /* DG/UX */
121 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
125 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
126 # define HAS_SETPGRP /* Well, effectively it does . . . */
129 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
130 our life easier :-) so we'll try it.
133 # define BSD_GETPGRP(pid) getpgid((pid))
135 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
136 # define BSD_GETPGRP(pid) getpgrp((pid))
138 # ifdef HAS_GETPGRP2 /* DG/UX */
139 # define BSD_GETPGRP(pid) getpgrp2((pid))
143 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
144 # define HAS_GETPGRP /* Well, effectively it does . . . */
147 /* These are not exact synonyms, since setpgrp() and getpgrp() may
148 have different behaviors, but perl.h used to define USE_BSDPGRP
149 (prior to 5.003_05) so some extension might depend on it.
151 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
157 #ifndef _TYPES_ /* If types.h defines this it's easy. */
158 # ifndef major /* Does everyone's types.h define this? */
159 # include <sys/types.h>
173 # include <varargs.h>
179 #ifdef USE_NEXT_CTYPE
181 #if NX_CURRENT_COMPILER_RELEASE >= 400
182 #include <objc/NXCType.h>
183 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
184 #include <appkit/NXCType.h>
185 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
187 #else /* !USE_NEXT_CTYPE */
189 #endif /* USE_NEXT_CTYPE */
191 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
199 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
201 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
202 && defined(HAS_STRXFRM)
203 # define USE_LOCALE_COLLATE
205 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
206 # define USE_LOCALE_CTYPE
208 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
209 # define USE_LOCALE_NUMERIC
211 #endif /* !NO_LOCALE && HAS_SETLOCALE */
216 # ifdef PARAM_NEEDS_TYPES
217 # include <sys/types.h>
219 # include <sys/param.h>
223 /* Use all the "standard" definitions? */
224 #if defined(STANDARD_C) && defined(I_STDLIB)
228 /* This comes after <stdlib.h> so we don't try to change the standard
229 * library prototypes; we'll use our own in proto.h instead. */
234 # define malloc Mymalloc
235 # define calloc Mycalloc
236 # define realloc Myremalloc
239 # ifdef EMBEDMYMALLOC
240 # define malloc Perl_malloc
241 # define calloc Perl_calloc
242 # define realloc Perl_realloc
243 # define free Perl_free
250 # define safemalloc malloc
251 # define safecalloc calloc
252 # define saferealloc realloc
253 # define safefree free
255 #endif /* MYMALLOC */
257 #define MEM_SIZE Size_t
259 #if defined(STANDARD_C) && defined(I_STDDEF)
261 # define STRUCT_OFFSET(s,m) offsetof(s,m)
263 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
266 #if defined(I_STRING) || defined(__cplusplus)
269 # include <strings.h>
272 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
274 #define strrchr rindex
282 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
284 extern char * memcpy _((char*, char*, int));
290 # define memcpy(d,s,l) bcopy(s,d,l)
292 # define memcpy(d,s,l) my_bcopy(s,d,l)
295 #endif /* HAS_MEMCPY */
298 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
300 extern char *memset _((char*, int, int));
303 # define memzero(d,l) memset(d,0,l)
307 # define memzero(d,l) bzero(d,l)
309 # define memzero(d,l) my_bzero(d,l)
312 #endif /* HAS_MEMSET */
314 #if !defined(HAS_MEMMOVE) && !defined(memmove)
315 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
316 # define memmove(d,s,l) bcopy(s,d,l)
318 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
319 # define memmove(d,s,l) memcpy(d,s,l)
321 # define memmove(d,s,l) my_bcopy(s,d,l)
326 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
330 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
331 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
333 extern int memcmp _((char*, char*, int));
337 # pragma function(memcmp)
341 # define memcmp my_memcmp
343 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
347 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
349 #endif /* !HAS_BCMP */
352 # include <netinet/in.h>
356 #include <sys/stat.h>
359 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
360 like UTekV) are broken, sometimes giving false positives. Undefine
361 them here and let the code below set them to proper values.
363 The ghs macro stands for GreenHills Software C-1.8.5 which
364 is the C compiler for sysV88 and the various derivatives.
365 This header file bug is corrected in gcc-2.5.8 and later versions.
366 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
368 #if defined(uts) || (defined(m88k) && defined(ghs))
382 # ifdef I_SYS_TIME_KERNEL
385 # include <sys/time.h>
386 # ifdef I_SYS_TIME_KERNEL
391 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
392 # include <sys/times.h>
395 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
401 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
403 #endif /* !HAS_MKFIFO */
408 # include <net/errno.h>
413 # define SETERRNO(errcode,vmserrcode) \
415 set_errno(errcode); \
416 set_vaxc_errno(vmserrcode); \
419 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
423 extern int errno; /* ANSI allows errno to be an lvalue expr */
428 char *strerror _((int,...));
430 char *strerror _((int));
433 # define Strerror strerror
436 # ifdef HAS_SYS_ERRLIST
438 extern char *sys_errlist[];
440 # define Strerror(e) \
441 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
446 #define STATUS_POSIX statusvalue
447 #define STATUS_POSIX_SET(n) (statusvalue = (n))
450 # define STATUS_NATIVE statusvalue_vms
451 # define STATUS_NATIVE_EXPORT \
452 ((I32)statusvalue_vms == -1 ? 4 : statusvalue_vms)
453 # define STATUS_NATIVE_SET(n) \
455 statusvalue_vms = (n); \
456 if ((I32)statusvalue_vms == -1) \
458 else if (statusvalue_vms & STS$M_SUCCESS) \
460 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
461 statusvalue = 1 << 8; \
463 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
465 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
466 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 4)
468 # define STATUS_NATIVE STATUS_POSIX
469 # define STATUS_NATIVE_EXPORT STATUS_POSIX
470 # define STATUS_NATIVE_SET STATUS_POSIX_SET
471 # define STATUS_ALL_SUCCESS STATUS_POSIX_SET(0)
472 # define STATUS_ALL_FAILURE STATUS_POSIX_SET(1)
477 # include <sys/ioctl.h>
481 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
482 # ifdef HAS_SOCKETPAIR
483 # undef HAS_SOCKETPAIR
498 /* Configure already sets Direntry_t */
499 #if defined(I_DIRENT)
501 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
502 # include <sys/dir.h>
506 # include <sys/ndir.h>
510 # include <ndir.h> /* may be wrong in the future */
512 # include <sys/dir.h>
519 /* work around botch in SunOS 4.0.1 and 4.0.2 */
521 # define fputs(sv,fp) fprintf(fp,"%s",sv)
526 * The following gobbledygook brought to you on behalf of __STDC__.
527 * (I could just use #ifndef __STDC__, but this is more bulletproof
528 * in the face of half-implementations.)
533 # define S_IFMT _S_IFMT
535 # define S_IFMT 0170000
540 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
544 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
549 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
551 # define S_ISBLK(m) (0)
556 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
561 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
563 # define S_ISFIFO(m) (0)
569 # define S_ISLNK(m) _S_ISLNK(m)
572 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
575 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
577 # define S_ISLNK(m) (0)
585 # define S_ISSOCK(m) _S_ISSOCK(m)
588 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
591 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
593 # define S_ISSOCK(m) (0)
601 # define S_IRUSR S_IREAD
602 # define S_IWUSR S_IWRITE
603 # define S_IXUSR S_IEXEC
605 # define S_IRUSR 0400
606 # define S_IWUSR 0200
607 # define S_IXUSR 0100
609 # define S_IRGRP (S_IRUSR>>3)
610 # define S_IWGRP (S_IWUSR>>3)
611 # define S_IXGRP (S_IXUSR>>3)
612 # define S_IROTH (S_IRUSR>>6)
613 # define S_IWOTH (S_IWUSR>>6)
614 # define S_IXOTH (S_IXUSR>>6)
618 # define S_ISUID 04000
622 # define S_ISGID 02000
629 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
630 # define SLOPPYDIVIDE
637 /* XXX QUAD stuff is not currently supported on most systems.
638 Specifically, perl internals don't support long long. Among
639 the many problems is that some compilers support long long,
640 but the underlying library functions (such as sprintf) don't.
641 Some things do work (such as quad pack/unpack on convex);
642 also some systems use long long for the fpos_t typedef. That
645 The IV type is supposed to be long enough to hold any integral
647 --Andy Dougherty August 1996
654 # define Quad_t long long
656 # if defined(VMS) && defined(__ALPHA)
657 # define Quad_t __int64
659 # if BYTEORDER > 0xFFFF
669 typedef unsigned Quad_t UV;
670 # define IV_MAX PERL_QUAD_MAX
671 # define IV_MIN PERL_QUAD_MIN
672 # define UV_MAX PERL_UQUAD_MAX
673 # define UV_MIN PERL_UQUAD_MIN
676 typedef unsigned long UV;
677 # define IV_MAX PERL_LONG_MAX
678 # define IV_MIN PERL_LONG_MIN
679 # define UV_MAX PERL_ULONG_MAX
680 # define UV_MIN PERL_ULONG_MIN
683 /* Previously these definitions used hardcoded figures.
684 * It is hoped these formula are more portable, although
685 * no data one way or another is presently known to me.
686 * The "PERL_" names are used because these calculated constants
687 * do not meet the ANSI requirements for LONG_MAX, etc., which
688 * need to be constants acceptable to #if - kja
689 * define PERL_LONG_MAX 2147483647L
690 * define PERL_LONG_MIN (-LONG_MAX - 1)
691 * define PERL ULONG_MAX 4294967295L
694 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
703 * Try to figure out max and min values for the integral types. THE CORRECT
704 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
705 * following hacks are used if neither limits.h or values.h provide them:
706 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
707 * for types < int: (unsigned TYPE)~(unsigned)0
708 * The argument to ~ must be unsigned so that later signed->unsigned
709 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
710 * and it must not be smaller than int because ~ does integral promotion.
711 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
712 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
713 * The latter is a hack which happens to work on some machines but
714 * does *not* catch any random system, or things like integer types
715 * with NaN if that is possible.
717 * All of the types are explicitly cast to prevent accidental loss of
718 * numeric range, and in the hope that they will be less likely to confuse
719 * over-eager optimizers.
723 #define PERL_UCHAR_MIN ((unsigned char)0)
726 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
729 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
731 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
736 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
737 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
738 * depending on local options. Until Configure detects this (or at least
739 * detects whether the "signed" keyword is available) the CHAR ranges
740 * will not be included. UCHAR functions normally.
744 #define PERL_USHORT_MIN ((unsigned short)0)
747 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
750 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
752 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
757 # define PERL_SHORT_MAX ((short)SHORT_MAX)
759 # ifdef MAXSHORT /* Often used in <values.h> */
760 # define PERL_SHORT_MAX ((short)MAXSHORT)
762 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
767 # define PERL_SHORT_MIN ((short)SHORT_MIN)
770 # define PERL_SHORT_MIN ((short)MINSHORT)
772 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
777 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
780 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
782 # define PERL_UINT_MAX (~(unsigned int)0)
786 #define PERL_UINT_MIN ((unsigned int)0)
789 # define PERL_INT_MAX ((int)INT_MAX)
791 # ifdef MAXINT /* Often used in <values.h> */
792 # define PERL_INT_MAX ((int)MAXINT)
794 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
799 # define PERL_INT_MIN ((int)INT_MIN)
802 # define PERL_INT_MIN ((int)MININT)
804 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
809 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
812 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
814 # define PERL_ULONG_MAX (~(unsigned long)0)
818 #define PERL_ULONG_MIN ((unsigned long)0L)
821 # define PERL_LONG_MAX ((long)LONG_MAX)
823 # ifdef MAXLONG /* Often used in <values.h> */
824 # define PERL_LONG_MAX ((long)MAXLONG)
826 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
831 # define PERL_LONG_MIN ((long)LONG_MIN)
834 # define PERL_LONG_MIN ((long)MINLONG)
836 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
843 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
845 # define PERL_UQUAD_MAX (~(UV)0)
848 # define PERL_UQUAD_MIN ((UV)0)
851 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
853 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
857 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
859 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
864 typedef MEM_SIZE STRLEN;
866 typedef struct op OP;
867 typedef struct cop COP;
868 typedef struct unop UNOP;
869 typedef struct binop BINOP;
870 typedef struct listop LISTOP;
871 typedef struct logop LOGOP;
872 typedef struct condop CONDOP;
873 typedef struct pmop PMOP;
874 typedef struct svop SVOP;
875 typedef struct gvop GVOP;
876 typedef struct pvop PVOP;
877 typedef struct loop LOOP;
879 typedef struct Outrec Outrec;
880 typedef struct interpreter PerlInterpreter;
881 typedef struct ff FF;
882 typedef struct sv SV;
883 typedef struct av AV;
884 typedef struct hv HV;
885 typedef struct cv CV;
886 typedef struct regexp REGEXP;
887 typedef struct gp GP;
888 typedef struct gv GV;
889 typedef struct io IO;
890 typedef struct context CONTEXT;
891 typedef struct block BLOCK;
893 typedef struct magic MAGIC;
894 typedef struct xrv XRV;
895 typedef struct xpv XPV;
896 typedef struct xpviv XPVIV;
897 typedef struct xpvuv XPVUV;
898 typedef struct xpvnv XPVNV;
899 typedef struct xpvmg XPVMG;
900 typedef struct xpvlv XPVLV;
901 typedef struct xpvav XPVAV;
902 typedef struct xpvhv XPVHV;
903 typedef struct xpvgv XPVGV;
904 typedef struct xpvcv XPVCV;
905 typedef struct xpvbm XPVBM;
906 typedef struct xpvfm XPVFM;
907 typedef struct xpvio XPVIO;
908 typedef struct mgvtbl MGVTBL;
909 typedef union any ANY;
913 typedef I32 (*filter_t) _((int, SV *, int));
914 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
915 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
916 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
929 # include "./plan9/plan9ish.h"
931 # include "unixish.h"
936 /* Some unistd.h's give a prototype for pause() even though
937 HAS_PAUSE ends up undefined. This causes the #define
938 below to be rejected by the compmiler. Sigh.
943 #define Pause() sleep((32767<<16)+32767)
948 /* on BSDish systes we're safe */
949 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
951 /* otherwise guess at what's safe */
952 # define IOCPARM_LEN(x) 256
961 void (*any_dptr) _((void*));
978 /* work around some libPW problems */
983 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
987 #if defined(htonl) && !defined(HAS_HTONL)
990 #if defined(htons) && !defined(HAS_HTONS)
993 #if defined(ntohl) && !defined(HAS_NTOHL)
996 #if defined(ntohs) && !defined(HAS_NTOHS)
1000 #if (BYTEORDER & 0xffff) != 0x4321
1006 #define htons my_swap
1007 #define htonl my_htonl
1008 #define ntohs my_swap
1009 #define ntohl my_ntohl
1012 #if (BYTEORDER & 0xffff) == 0x4321
1021 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1024 #if BYTEORDER != 0x1234
1029 # if BYTEORDER == 0x4321
1030 # define vtohl(x) ((((x)&0xFF)<<24) \
1032 +(((x)&0x0000FF00)<<8) \
1033 +(((x)&0x00FF0000)>>8) )
1034 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1035 # define htovl(x) vtohl(x)
1036 # define htovs(x) vtohs(x)
1038 /* otherwise default to functions in util.c */
1042 #define U_S(what) ((U16)(what))
1043 #define U_I(what) ((unsigned int)(what))
1044 #define U_L(what) ((U32)(what))
1049 U32 cast_ulong _((double));
1053 #define U_S(what) ((U16)cast_ulong((double)(what)))
1054 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1055 #define U_L(what) (cast_ulong((double)(what)))
1059 #define I_32(what) ((I32)(what))
1060 #define I_V(what) ((IV)(what))
1061 #define U_V(what) ((UV)(what))
1066 I32 cast_i32 _((double));
1067 IV cast_iv _((double));
1068 UV cast_uv _((double));
1072 #define I_32(what) (cast_i32((double)(what)))
1073 #define I_V(what) (cast_iv((double)(what)))
1074 #define U_V(what) (cast_uv((double)(what)))
1088 # define TMPPATH "/tmp/perl-eXXXXXX"
1092 Uid_t getuid _((void));
1093 Uid_t geteuid _((void));
1094 Gid_t getgid _((void));
1095 Gid_t getegid _((void));
1099 #ifndef Perl_debug_log
1100 #define Perl_debug_log PerlIO_stderr()
1104 #define DEBUG(a) if (debug) a
1105 #define DEBUG_p(a) if (debug & 1) a
1106 #define DEBUG_s(a) if (debug & 2) a
1107 #define DEBUG_l(a) if (debug & 4) a
1108 #define DEBUG_t(a) if (debug & 8) a
1109 #define DEBUG_o(a) if (debug & 16) a
1110 #define DEBUG_c(a) if (debug & 32) a
1111 #define DEBUG_P(a) if (debug & 64) a
1112 #define DEBUG_m(a) if (curinterp && debug & 128) a
1113 #define DEBUG_f(a) if (debug & 256) a
1114 #define DEBUG_r(a) if (debug & 512) a
1115 #define DEBUG_x(a) if (debug & 1024) a
1116 #define DEBUG_u(a) if (debug & 2048) a
1117 #define DEBUG_L(a) if (debug & 4096) a
1118 #define DEBUG_H(a) if (debug & 8192) a
1119 #define DEBUG_X(a) if (debug & 16384) a
1120 #define DEBUG_D(a) if (debug & 32768) a
1141 #define YYMAXDEPTH 300
1143 #ifndef assert /* <assert.h> might have been included somehow */
1144 #define assert(what) DEB( { \
1146 croak("Assertion failed: file \"%s\", line %d", \
1147 __FILE__, __LINE__); \
1153 I32 (*uf_val)_((IV, SV*));
1154 I32 (*uf_set)_((IV, SV*));
1158 /* Fix these up for __STDC__ */
1160 char *mktemp _((char*));
1161 double atof _((const char*));
1165 /* All of these are in stdlib.h or time.h for ANSI C */
1167 struct tm *gmtime(), *localtime();
1168 char *strchr(), *strrchr();
1169 char *strcpy(), *strcat();
1170 #endif /* ! STANDARD_C */
1179 double exp _((double));
1180 double log _((double));
1181 double sqrt _((double));
1182 double modf _((double,double*));
1183 double sin _((double));
1184 double cos _((double));
1185 double atan2 _((double,double));
1186 double pow _((double,double));
1193 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1194 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1196 char *crypt _((const char*, const char*));
1198 char *getenv _((const char*));
1199 Off_t lseek _((int,Off_t,int));
1200 char *getlogin _((void));
1203 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1204 #define UNLINK unlnk
1205 I32 unlnk _((char*));
1207 #define UNLINK unlink
1210 #ifndef HAS_SETREUID
1211 # ifdef HAS_SETRESUID
1212 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1213 # define HAS_SETREUID
1216 #ifndef HAS_SETREGID
1217 # ifdef HAS_SETRESGID
1218 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1219 # define HAS_SETREGID
1223 typedef Signal_t (*Sighandler_t) _((int));
1225 #ifdef HAS_SIGACTION
1226 typedef struct sigaction Sigsave_t;
1228 typedef Sighandler_t Sigsave_t;
1240 # ifndef DEBUGGING_MSTATS
1241 # define DEBUGGING_MSTATS
1244 # define PAD_SV(po) pad_sv(po)
1246 # define PAD_SV(po) curpad[po]
1254 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1255 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1256 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1257 extern char ** environ; /* environment variables supplied via exec */
1259 # if defined(NeXT) && defined(__DYNAMIC__)
1261 # include <mach-o/dyld.h>
1262 EXT char *** environ_pointer;
1263 # define environ (*environ_pointer)
1265 #endif /* environ processing */
1267 EXT int uid; /* current real user id */
1268 EXT int euid; /* current effective user id */
1269 EXT int gid; /* current real group id */
1270 EXT int egid; /* current effective group id */
1271 EXT bool nomemok; /* let malloc context handle nomem */
1272 EXT U32 an; /* malloc sequence number */
1273 EXT U32 cop_seqmax; /* statement sequence number */
1274 EXT U16 op_seqmax; /* op sequence number */
1275 EXT U32 evalseq; /* eval sequence number */
1276 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1277 EXT char ** origenviron;
1279 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1280 EXT U32 * profiledata;
1281 EXT int maxo INIT(MAXO);/* Number of ops */
1282 EXT char * osname; /* operating system */
1283 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1285 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1286 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1287 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1288 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1289 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1290 EXT HE * he_root; /* free he list--shared by interpreters */
1291 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1292 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1294 /* Stack for currently executing thread--context switch must handle this. */
1295 EXT SV ** stack_base; /* stack->array_ary */
1296 EXT SV ** stack_sp; /* stack pointer now */
1297 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1299 /* likewise for these */
1301 EXT OP * op; /* current op--oughta be in a global register */
1303 EXT I32 * scopestack; /* blocks we've entered */
1304 EXT I32 scopestack_ix;
1305 EXT I32 scopestack_max;
1307 EXT ANY* savestack; /* to save non-local values on */
1308 EXT I32 savestack_ix;
1309 EXT I32 savestack_max;
1311 EXT OP ** retstack; /* returns we've pushed */
1312 EXT I32 retstack_ix;
1313 EXT I32 retstack_max;
1315 EXT I32 * markstack; /* stackmarks we're remembering */
1316 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1317 EXT I32 * markstack_max; /* stackmarks we're remembering */
1324 EXT char buf[2048]; /* should be longer than PATH_MAX */
1325 EXT char tokenbuf[256];
1326 EXT struct stat statbuf;
1328 EXT struct tms timesbuf;
1330 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1332 /* for tmp use in stupid debuggers */
1337 /* handy constants */
1338 EXTCONST char * Yes INIT("1");
1339 EXTCONST char * No INIT("");
1340 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1341 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1342 EXTCONST char * vert INIT("|");
1344 EXTCONST char warn_uninit[]
1345 INIT("Use of uninitialized value");
1346 EXTCONST char warn_nosemi[]
1347 INIT("Semicolon seems to be missing");
1348 EXTCONST char warn_reserved[]
1349 INIT("Unquoted string \"%s\" may clash with future reserved word");
1350 EXTCONST char warn_nl[]
1351 INIT("Unsuccessful %s on filename containing newline");
1352 EXTCONST char no_wrongref[]
1353 INIT("Can't use %s ref as %s ref");
1354 EXTCONST char no_symref[]
1355 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1356 EXTCONST char no_usym[]
1357 INIT("Can't use an undefined value as %s reference");
1358 EXTCONST char no_aelem[]
1359 INIT("Modification of non-creatable array value attempted, subscript %d");
1360 EXTCONST char no_helem[]
1361 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1362 EXTCONST char no_modify[]
1363 INIT("Modification of a read-only value attempted");
1364 EXTCONST char no_mem[]
1365 INIT("Out of memory!\n");
1366 EXTCONST char no_security[]
1367 INIT("Insecure dependency in %s%s");
1368 EXTCONST char no_sock_func[]
1369 INIT("Unsupported socket function \"%s\" called");
1370 EXTCONST char no_dir_func[]
1371 INIT("Unsupported directory function \"%s\" called");
1372 EXTCONST char no_func[]
1373 INIT("The %s function is unimplemented");
1374 EXTCONST char no_myglob[]
1375 INIT("\"my\" variable %s can't be in a package");
1381 EXT char * cshname INIT(CSH);
1386 EXT char *sig_name[] = { SIG_NAME };
1387 EXT int sig_num[] = { SIG_NUM };
1388 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1389 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1391 EXT char *sig_name[];
1393 EXT SV * psig_ptr[];
1394 EXT SV * psig_name[];
1397 /* fast case folding tables */
1400 EXTCONST unsigned char fold[] = {
1401 0, 1, 2, 3, 4, 5, 6, 7,
1402 8, 9, 10, 11, 12, 13, 14, 15,
1403 16, 17, 18, 19, 20, 21, 22, 23,
1404 24, 25, 26, 27, 28, 29, 30, 31,
1405 32, 33, 34, 35, 36, 37, 38, 39,
1406 40, 41, 42, 43, 44, 45, 46, 47,
1407 48, 49, 50, 51, 52, 53, 54, 55,
1408 56, 57, 58, 59, 60, 61, 62, 63,
1409 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1410 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1411 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1412 'x', 'y', 'z', 91, 92, 93, 94, 95,
1413 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1414 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1415 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1416 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1417 128, 129, 130, 131, 132, 133, 134, 135,
1418 136, 137, 138, 139, 140, 141, 142, 143,
1419 144, 145, 146, 147, 148, 149, 150, 151,
1420 152, 153, 154, 155, 156, 157, 158, 159,
1421 160, 161, 162, 163, 164, 165, 166, 167,
1422 168, 169, 170, 171, 172, 173, 174, 175,
1423 176, 177, 178, 179, 180, 181, 182, 183,
1424 184, 185, 186, 187, 188, 189, 190, 191,
1425 192, 193, 194, 195, 196, 197, 198, 199,
1426 200, 201, 202, 203, 204, 205, 206, 207,
1427 208, 209, 210, 211, 212, 213, 214, 215,
1428 216, 217, 218, 219, 220, 221, 222, 223,
1429 224, 225, 226, 227, 228, 229, 230, 231,
1430 232, 233, 234, 235, 236, 237, 238, 239,
1431 240, 241, 242, 243, 244, 245, 246, 247,
1432 248, 249, 250, 251, 252, 253, 254, 255
1435 EXTCONST unsigned char fold[];
1439 EXT unsigned char fold_locale[] = {
1440 0, 1, 2, 3, 4, 5, 6, 7,
1441 8, 9, 10, 11, 12, 13, 14, 15,
1442 16, 17, 18, 19, 20, 21, 22, 23,
1443 24, 25, 26, 27, 28, 29, 30, 31,
1444 32, 33, 34, 35, 36, 37, 38, 39,
1445 40, 41, 42, 43, 44, 45, 46, 47,
1446 48, 49, 50, 51, 52, 53, 54, 55,
1447 56, 57, 58, 59, 60, 61, 62, 63,
1448 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1449 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1450 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1451 'x', 'y', 'z', 91, 92, 93, 94, 95,
1452 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1453 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1454 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1455 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1456 128, 129, 130, 131, 132, 133, 134, 135,
1457 136, 137, 138, 139, 140, 141, 142, 143,
1458 144, 145, 146, 147, 148, 149, 150, 151,
1459 152, 153, 154, 155, 156, 157, 158, 159,
1460 160, 161, 162, 163, 164, 165, 166, 167,
1461 168, 169, 170, 171, 172, 173, 174, 175,
1462 176, 177, 178, 179, 180, 181, 182, 183,
1463 184, 185, 186, 187, 188, 189, 190, 191,
1464 192, 193, 194, 195, 196, 197, 198, 199,
1465 200, 201, 202, 203, 204, 205, 206, 207,
1466 208, 209, 210, 211, 212, 213, 214, 215,
1467 216, 217, 218, 219, 220, 221, 222, 223,
1468 224, 225, 226, 227, 228, 229, 230, 231,
1469 232, 233, 234, 235, 236, 237, 238, 239,
1470 240, 241, 242, 243, 244, 245, 246, 247,
1471 248, 249, 250, 251, 252, 253, 254, 255
1474 EXT unsigned char fold_locale[];
1478 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1479 1, 2, 84, 151, 154, 155, 156, 157,
1480 165, 246, 250, 3, 158, 7, 18, 29,
1481 40, 51, 62, 73, 85, 96, 107, 118,
1482 129, 140, 147, 148, 149, 150, 152, 153,
1483 255, 182, 224, 205, 174, 176, 180, 217,
1484 233, 232, 236, 187, 235, 228, 234, 226,
1485 222, 219, 211, 195, 188, 193, 185, 184,
1486 191, 183, 201, 229, 181, 220, 194, 162,
1487 163, 208, 186, 202, 200, 218, 198, 179,
1488 178, 214, 166, 170, 207, 199, 209, 206,
1489 204, 160, 212, 216, 215, 192, 175, 173,
1490 243, 172, 161, 190, 203, 189, 164, 230,
1491 167, 248, 227, 244, 242, 255, 241, 231,
1492 240, 253, 169, 210, 245, 237, 249, 247,
1493 239, 168, 252, 251, 254, 238, 223, 221,
1494 213, 225, 177, 197, 171, 196, 159, 4,
1495 5, 6, 8, 9, 10, 11, 12, 13,
1496 14, 15, 16, 17, 19, 20, 21, 22,
1497 23, 24, 25, 26, 27, 28, 30, 31,
1498 32, 33, 34, 35, 36, 37, 38, 39,
1499 41, 42, 43, 44, 45, 46, 47, 48,
1500 49, 50, 52, 53, 54, 55, 56, 57,
1501 58, 59, 60, 61, 63, 64, 65, 66,
1502 67, 68, 69, 70, 71, 72, 74, 75,
1503 76, 77, 78, 79, 80, 81, 82, 83,
1504 86, 87, 88, 89, 90, 91, 92, 93,
1505 94, 95, 97, 98, 99, 100, 101, 102,
1506 103, 104, 105, 106, 108, 109, 110, 111,
1507 112, 113, 114, 115, 116, 117, 119, 120,
1508 121, 122, 123, 124, 125, 126, 127, 128,
1509 130, 131, 132, 133, 134, 135, 136, 137,
1510 138, 139, 141, 142, 143, 144, 145, 146
1513 EXTCONST unsigned char freq[];
1518 EXTCONST char* block_type[] = {
1527 EXTCONST char* block_type[];
1531 /*****************************************************************************/
1532 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1533 /*****************************************************************************/
1534 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1547 EXT U32 lex_state; /* next token is determined */
1548 EXT U32 lex_defer; /* state after determined token */
1549 EXT expectation lex_expect; /* expect after determined token */
1550 EXT I32 lex_brackets; /* bracket count */
1551 EXT I32 lex_formbrack; /* bracket count at outer format level */
1552 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1553 EXT I32 lex_casemods; /* casemod count */
1554 EXT I32 lex_dojoin; /* doing an array interpolation */
1555 EXT I32 lex_starts; /* how many interps done on level */
1556 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1557 EXT SV * lex_repl; /* runtime replacement from s/// */
1558 EXT OP * lex_op; /* extra info to pass back on op */
1559 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1560 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1561 EXT char * lex_brackstack; /* what kind of brackets to pop */
1562 EXT char * lex_casestack; /* what kind of case mods in effect */
1564 /* What we know when we're in LEX_KNOWNEXT state. */
1565 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1566 EXT I32 nexttype[5]; /* type of next token */
1569 EXT PerlIO * VOL rsfp INIT(Nullfp);
1572 EXT char * oldbufptr;
1573 EXT char * oldoldbufptr;
1575 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1576 EXT AV * rsfp_filters;
1578 EXT I32 multi_start; /* 1st line of multi-line string */
1579 EXT I32 multi_end; /* last line of multi-line string */
1580 EXT I32 multi_open; /* delimiter of said string */
1581 EXT I32 multi_close; /* delimiter of said string */
1584 EXT I32 error_count; /* how many errors so far, max 10 */
1585 EXT I32 subline; /* line this subroutine began on */
1586 EXT SV * subname; /* name of current subroutine */
1588 EXT CV * compcv; /* currently compiling subroutine */
1589 EXT AV * comppad; /* storage for lexically scoped temporaries */
1590 EXT AV * comppad_name; /* variable names for "my" variables */
1591 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1592 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1593 EXT I32 min_intro_pending;/* start of vars to introduce */
1594 EXT I32 max_intro_pending;/* end of vars to introduce */
1595 EXT I32 padix; /* max used index in current "register" pad */
1596 EXT I32 padix_floor; /* how low may inner block reset padix */
1597 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1600 EXT I32 thisexpr; /* name id for nothing_in_common() */
1601 EXT char * last_uni; /* position of last named-unary operator */
1602 EXT char * last_lop; /* position of last list operator */
1603 EXT OPCODE last_lop_op; /* last list operator */
1604 EXT bool in_my; /* we're compiling a "my" declaration */
1606 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1609 EXT U32 hints; /* various compilation flags */
1611 /* Note: the lowest 8 bits are reserved for
1612 stuffing into op->op_private */
1613 #define HINT_INTEGER 0x00000001
1614 #define HINT_STRICT_REFS 0x00000002
1616 #define HINT_BLOCK_SCOPE 0x00000100
1617 #define HINT_STRICT_SUBS 0x00000200
1618 #define HINT_STRICT_VARS 0x00000400
1619 #define HINT_LOCALE 0x00000800
1621 /**************************************************************************/
1622 /* This regexp stuff is global since it always happens within 1 expr eval */
1623 /**************************************************************************/
1625 EXT char * regprecomp; /* uncompiled string. */
1626 EXT char * regparse; /* Input-scan pointer. */
1627 EXT char * regxend; /* End of input for compile */
1628 EXT I32 regnpar; /* () count. */
1629 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1630 EXT I32 regsize; /* Code size. */
1631 EXT I32 regnaughty; /* How bad is this pattern? */
1632 EXT I32 regsawback; /* Did we see \1, ...? */
1634 EXT char * reginput; /* String-input pointer. */
1635 EXT char * regbol; /* Beginning of input, for ^ check. */
1636 EXT char * regeol; /* End of input, for $ check. */
1637 EXT char ** regstartp; /* Pointer to startp array. */
1638 EXT char ** regendp; /* Ditto for endp. */
1639 EXT U32 * reglastparen; /* Similarly for lastparen. */
1640 EXT char * regtill; /* How far we are required to go. */
1641 EXT U16 regflags; /* are we folding, multilining? */
1642 EXT char regprev; /* char before regbol, \n if none */
1644 EXT bool do_undump; /* -u or dump seen? */
1647 /***********************************************/
1648 /* Global only to current interpreter instance */
1649 /***********************************************/
1654 struct interpreter {
1657 #define IINIT(x) INIT(x)
1660 /* pseudo environmental stuff */
1662 IEXT char ** Iorigargv;
1666 IEXT char * Iorigfilename;
1668 IEXT SV * Iwarnhook;
1669 IEXT SV * Iparsehook;
1671 /* Various states of an input record separator SV (rs, nrs) */
1672 #define RsSNARF(sv) (! SvOK(sv))
1673 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1674 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1679 IEXT char Ipatchlevel[10];
1680 IEXT char ** Ilocalpatches;
1682 IEXT char * Isplitstr IINIT(" ");
1683 IEXT bool Ipreprocess;
1689 IEXT bool Idoswitches;
1691 IEXT bool Idoextract;
1692 IEXT bool Isawampersand; /* must save all match strings */
1693 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1696 IEXT char * Iinplace;
1697 IEXT char * Ie_tmpname;
1698 IEXT PerlIO * Ie_fp;
1700 /* This value may be raised by extensions for testing purposes */
1701 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1703 /* magical thingies */
1704 IEXT Time_t Ibasetime; /* $^T */
1705 IEXT SV * Iformfeed; /* $^L */
1706 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1707 IEXT SV * Irs; /* $/ */
1708 IEXT char * Iofs; /* $, */
1709 IEXT STRLEN Iofslen;
1710 IEXT char * Iors; /* $\ */
1711 IEXT STRLEN Iorslen;
1712 IEXT char * Iofmt; /* $# */
1713 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1714 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1715 IEXT U32 Istatusvalue; /* $? */
1717 IEXT U32 Istatusvalue_vms; /* $^S */
1720 IEXT struct stat Istatcache; /* _ */
1722 IEXT SV * Istatname IINIT(Nullsv);
1724 /* shortcuts to various I/O objects */
1726 IEXT GV * Ilast_in_gv;
1729 IEXT GV * Idefoutgv;
1730 IEXT GV * Iargvoutgv;
1732 /* shortcuts to regexp stuff */
1736 IEXT PMOP * Icurpm; /* what to do \ interps from */
1737 IEXT I32 * Iscreamfirst;
1738 IEXT I32 * Iscreamnext;
1739 IEXT I32 Imaxscream IINIT(-1);
1740 IEXT SV * Ilastscream;
1742 /* shortcuts to misc objects */
1745 /* shortcuts to debugging objects */
1749 IEXT SV * IDBsingle;
1751 IEXT SV * IDBsignal;
1752 IEXT AV * Ilineary; /* lines of script for debugger */
1753 IEXT AV * Idbargs; /* args to call listed by caller function */
1756 IEXT HV * Idefstash; /* main symbol table */
1757 IEXT HV * Icurstash; /* symbol table for current package */
1758 IEXT HV * Idebstash; /* symbol table for perldb package */
1759 IEXT SV * Icurstname; /* name of current package */
1760 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1761 IEXT AV * Iendav; /* names of END subroutines */
1762 IEXT HV * Istrtab; /* shared string table */
1764 /* memory management */
1765 IEXT SV ** Itmps_stack;
1766 IEXT I32 Itmps_ix IINIT(-1);
1767 IEXT I32 Itmps_floor IINIT(-1);
1769 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1770 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1771 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1772 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1774 /* funky return mechanisms */
1775 IEXT I32 Ilastspbase;
1777 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1779 /* subprocess state */
1780 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1782 /* internal state */
1783 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1784 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1785 IEXT int Idelaymagic; /* ($<,$>) = ... */
1786 IEXT bool Idirty; /* In the middle of tearing things down? */
1787 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1788 IEXT bool Itainted; /* using variables controlled by $< */
1789 IEXT bool Itainting; /* doing taint checks */
1790 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1794 IEXT I32 Idlmax IINIT(128);
1795 IEXT char * Idebname;
1796 IEXT char * Idebdelim;
1798 /* current interpreter roots */
1800 IEXT OP * Imain_root;
1801 IEXT OP * Imain_start;
1802 IEXT OP * Ieval_root;
1803 IEXT OP * Ieval_start;
1805 /* runtime control stuff */
1806 IEXT COP * VOL Icurcop IINIT(&compiling);
1807 IEXT COP * Icurcopdb IINIT(NULL);
1808 IEXT line_t Icopline IINIT(NOLINE);
1809 IEXT CONTEXT * Icxstack;
1810 IEXT I32 Icxstack_ix IINIT(-1);
1811 IEXT I32 Icxstack_max IINIT(128);
1812 IEXT Sigjmp_buf Itop_env;
1816 IEXT AV * Icurstack; /* THE STACK */
1817 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1818 IEXT SV ** Imystack_base; /* stack->array_ary */
1819 IEXT SV ** Imystack_sp; /* stack pointer now */
1820 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1822 /* format accumulators */
1823 IEXT SV * Iformtarget;
1824 IEXT SV * Ibodytarget;
1825 IEXT SV * Itoptarget;
1827 /* statics moved here for shared library purposes */
1828 IEXT SV Istrchop; /* return value from chop */
1829 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1830 IEXT int Ilastfd; /* what to preserve mode on */
1831 IEXT char * Ioldname; /* what to preserve mode on */
1832 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1833 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1834 IEXT OP * Isortcop; /* user defined sort routine */
1835 IEXT HV * Isortstash; /* which is in some package or other */
1836 IEXT GV * Ifirstgv; /* $a */
1837 IEXT GV * Isecondgv; /* $b */
1838 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1839 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1840 IEXT SV * Imystrk; /* temp key string for do_each() */
1841 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1842 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1843 IEXT I32 Igensym; /* next symbol for getsym() to define */
1844 IEXT bool Ipreambled;
1845 IEXT AV * Ipreambleav;
1846 IEXT int Ilaststatval IINIT(-1);
1847 IEXT I32 Ilaststype IINIT(OP_STAT);
1855 struct interpreter {
1869 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1870 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1872 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1873 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1880 /* The following must follow proto.h */
1884 EXT MGVTBL vtbl_sv = {magic_get,
1888 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1889 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1892 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1893 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1897 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1899 EXT MGVTBL vtbl_packelem = {magic_getpack,
1903 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1905 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1907 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1909 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1912 EXT MGVTBL vtbl_glob = {magic_getglob,
1915 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1917 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1919 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1921 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1923 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1925 EXT MGVTBL vtbl_pos = {magic_getpos,
1928 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1930 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1932 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1935 EXT MGVTBL vtbl_itervar = {magic_getitervar,magic_setitervar,
1936 0, 0, magic_freeitervar};
1938 #ifdef USE_LOCALE_COLLATE
1939 EXT MGVTBL vtbl_collxfrm = {0,
1945 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1946 0, 0, magic_setamagic};
1947 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1948 0, 0, magic_setamagic};
1949 #endif /* OVERLOAD */
1954 EXT MGVTBL vtbl_env;
1955 EXT MGVTBL vtbl_envelem;
1956 EXT MGVTBL vtbl_sig;
1957 EXT MGVTBL vtbl_sigelem;
1958 EXT MGVTBL vtbl_pack;
1959 EXT MGVTBL vtbl_packelem;
1960 EXT MGVTBL vtbl_dbline;
1961 EXT MGVTBL vtbl_isa;
1962 EXT MGVTBL vtbl_isaelem;
1963 EXT MGVTBL vtbl_arylen;
1964 EXT MGVTBL vtbl_glob;
1965 EXT MGVTBL vtbl_mglob;
1966 EXT MGVTBL vtbl_nkeys;
1967 EXT MGVTBL vtbl_taint;
1968 EXT MGVTBL vtbl_substr;
1969 EXT MGVTBL vtbl_vec;
1970 EXT MGVTBL vtbl_pos;
1973 EXT MGVTBL vtbl_uvar;
1974 EXT MGVTBL vtbl_itervar;
1976 #ifdef USE_LOCALE_COLLATE
1977 EXT MGVTBL vtbl_collxfrm;
1981 EXT MGVTBL vtbl_amagic;
1982 EXT MGVTBL vtbl_amagicelem;
1983 #endif /* OVERLOAD */
1985 #endif /* !DOINIT */
1989 EXT long amagic_generation;
1991 #define NofAMmeth 58
1993 EXTCONST char * AMG_names[NofAMmeth] = {
1994 "fallback", "abs", /* "fallback" should be the first. */
2025 EXTCONST char * AMG_names[NofAMmeth];
2026 #endif /* def INITAMAGIC */
2032 CV* table[NofAMmeth];
2035 struct am_table_short {
2040 typedef struct am_table AMT;
2041 typedef struct am_table_short AMTS;
2043 #define AMGfallNEVER 1
2045 #define AMGfallYES 3
2047 #define AMTf_AMAGIC 1
2048 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2049 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2050 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2053 fallback_amg, abs_amg,
2054 bool__amg, nomethod_amg,
2055 string_amg, numer_amg,
2056 add_amg, add_ass_amg,
2057 subtr_amg, subtr_ass_amg,
2058 mult_amg, mult_ass_amg,
2059 div_amg, div_ass_amg,
2060 mod_amg, mod_ass_amg,
2061 pow_amg, pow_ass_amg,
2062 lshift_amg, lshift_ass_amg,
2063 rshift_amg, rshift_ass_amg,
2064 band_amg, band_ass_amg,
2065 bor_amg, bor_ass_amg,
2066 bxor_amg, bxor_ass_amg,
2079 repeat_amg, repeat_ass_amg,
2080 concat_amg, concat_ass_amg,
2085 * some compilers like to redefine cos et alia as faster
2086 * (and less accurate?) versions called F_cos et cetera (Quidquid
2087 * latine dictum sit, altum viditur.) This trick collides with
2088 * the Perl overloading (amg). The following #defines fool both.
2093 # define F_atan2_amg atan2_amg
2096 # define F_cos_amg cos_amg
2099 # define F_exp_amg exp_amg
2102 # define F_log_amg log_amg
2105 # define F_pow_amg pow_amg
2108 # define F_sin_amg sin_amg
2111 # define F_sqrt_amg sqrt_amg
2113 #endif /* _FASTMATH */
2115 #endif /* OVERLOAD */
2117 #ifdef USE_LOCALE_COLLATE
2118 EXT U32 collation_ix; /* Collation generation index */
2119 EXT char * collation_name; /* Name of current collation */
2120 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2121 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2122 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2123 #endif /* USE_LOCALE_COLLATE */
2125 #ifdef USE_LOCALE_NUMERIC
2127 EXT char * numeric_name; /* Name of current numeric locale */
2128 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2129 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2131 #define SET_NUMERIC_STANDARD() \
2133 if (! numeric_standard) \
2134 perl_set_numeric_standard(); \
2137 #define SET_NUMERIC_LOCAL() \
2139 if (! numeric_local) \
2140 perl_set_numeric_local(); \
2143 #else /* !USE_LOCALE_NUMERIC */
2145 #define SET_NUMERIC_STANDARD() /**/
2146 #define SET_NUMERIC_LOCAL() /**/
2148 #endif /* !USE_LOCALE_NUMERIC */
2150 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2152 * Now we have __attribute__ out of the way
2155 #define printf PerlIO_stdoutf
2158 #endif /* Include guard */