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 */
28 * STMT_START { statements; } STMT_END;
29 * can be used as a single statement, as in
30 * if (x) STMT_START { ... } STMT_END; else ...
32 * Trying to select a version that gives no warnings...
34 #if !(defined(STMT_START) && defined(STMT_END))
35 # if defined(__GNUC__) && !defined(__STRICT_ANSI__)
36 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
39 /* Now which other defined()s do we need here ??? */
40 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
41 # define STMT_START if (1)
42 # define STMT_END else (void)0
44 # define STMT_START do
45 # 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 OFFSETOF(s,m) offsetof(s,m)
263 # define OFFSETOF(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>
412 # define FIXSTATUS(sts) (U_L((sts) & 0xffff))
413 # define SHIFTSTATUS(sts) ((sts) >> 8)
414 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
416 # define FIXSTATUS(sts) (U_L(sts))
417 # define SHIFTSTATUS(sts) (sts)
418 # define SETERRNO(errcode,vmserrcode) STMT_START {set_errno(errcode); set_vaxc_errno(vmserrcode);} STMT_END
422 extern int errno; /* ANSI allows errno to be an lvalue expr */
427 char *strerror _((int,...));
429 char *strerror _((int));
432 # define Strerror strerror
435 # ifdef HAS_SYS_ERRLIST
437 extern char *sys_errlist[];
439 # define Strerror(e) \
440 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
447 # include <sys/ioctl.h>
451 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
452 # ifdef HAS_SOCKETPAIR
453 # undef HAS_SOCKETPAIR
468 /* Configure already sets Direntry_t */
469 #if defined(I_DIRENT)
471 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
472 # include <sys/dir.h>
476 # include <sys/ndir.h>
480 # include <ndir.h> /* may be wrong in the future */
482 # include <sys/dir.h>
489 /* work around botch in SunOS 4.0.1 and 4.0.2 */
491 # define fputs(sv,fp) fprintf(fp,"%s",sv)
496 * The following gobbledygook brought to you on behalf of __STDC__.
497 * (I could just use #ifndef __STDC__, but this is more bulletproof
498 * in the face of half-implementations.)
503 # define S_IFMT _S_IFMT
505 # define S_IFMT 0170000
510 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
514 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
519 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
521 # define S_ISBLK(m) (0)
526 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
531 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
533 # define S_ISFIFO(m) (0)
539 # define S_ISLNK(m) _S_ISLNK(m)
542 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
545 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
547 # define S_ISLNK(m) (0)
555 # define S_ISSOCK(m) _S_ISSOCK(m)
558 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
561 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
563 # define S_ISSOCK(m) (0)
571 # define S_IRUSR S_IREAD
572 # define S_IWUSR S_IWRITE
573 # define S_IXUSR S_IEXEC
575 # define S_IRUSR 0400
576 # define S_IWUSR 0200
577 # define S_IXUSR 0100
579 # define S_IRGRP (S_IRUSR>>3)
580 # define S_IWGRP (S_IWUSR>>3)
581 # define S_IXGRP (S_IXUSR>>3)
582 # define S_IROTH (S_IRUSR>>6)
583 # define S_IWOTH (S_IWUSR>>6)
584 # define S_IXOTH (S_IXUSR>>6)
588 # define S_ISUID 04000
592 # define S_ISGID 02000
599 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
600 # define SLOPPYDIVIDE
603 #if defined(cray) || defined(convex) || BYTEORDER > 0xffff
611 /* XXX QUAD stuff is not currently supported on most systems.
612 Specifically, perl internals don't support long long. Among
613 the many problems is that some compilers support long long,
614 but the underlying library functions (such as sprintf) don't.
615 Some things do work (such as quad pack/unpack on convex);
616 also some systems use long long for the fpos_t typedef. That
619 The IV type is supposed to be long enough to hold any integral
621 --Andy Dougherty August 1996
629 # define Quad_t long long
635 typedef unsigned Quad_t UV;
636 # define IV_MAX PERL_QUAD_MAX
637 # define IV_MIN PERL_QUAD_MIN
638 # define UV_MAX PERL_UQUAD_MAX
639 # define UV_MIN PERL_UQUAD_MIN
642 typedef unsigned long UV;
643 # define IV_MAX PERL_LONG_MAX
644 # define IV_MIN PERL_LONG_MIN
645 # define UV_MAX PERL_ULONG_MAX
646 # define UV_MIN PERL_ULONG_MIN
649 /* Previously these definitions used hardcoded figures.
650 * It is hoped these formula are more portable, although
651 * no data one way or another is presently known to me.
652 * The "PERL_" names are used because these calculated constants
653 * do not meet the ANSI requirements for LONG_MAX, etc., which
654 * need to be constants acceptable to #if - kja
655 * define PERL_LONG_MAX 2147483647L
656 * define PERL_LONG_MIN (-LONG_MAX - 1)
657 * define PERL ULONG_MAX 4294967295L
660 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
669 * Try to figure out max and min values for the integral types. THE CORRECT
670 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
671 * following hacks are used if neither limits.h or values.h provide them:
672 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
673 * for types < int: (unsigned TYPE)~(unsigned)0
674 * The argument to ~ must be unsigned so that later signed->unsigned
675 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
676 * and it must not be smaller than int because ~ does integral promotion.
677 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
678 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
679 * The latter is a hack which happens to work on some machines but
680 * does *not* catch any random system, or things like integer types
681 * with NaN if that is possible.
683 * All of the types are explicitly cast to prevent accidental loss of
684 * numeric range, and in the hope that they will be less likely to confuse
685 * over-eager optimizers.
689 #define PERL_UCHAR_MIN ((unsigned char)0)
692 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
695 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
697 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
702 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
703 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
704 * depending on local options. Until Configure detects this (or at least
705 * detects whether the "signed" keyword is available) the CHAR ranges
706 * will not be included. UCHAR functions normally.
710 #define PERL_USHORT_MIN ((unsigned short)0)
713 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
716 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
718 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
723 # define PERL_SHORT_MAX ((short)SHORT_MAX)
725 # ifdef MAXSHORT /* Often used in <values.h> */
726 # define PERL_SHORT_MAX ((short)MAXSHORT)
728 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
733 # define PERL_SHORT_MIN ((short)SHORT_MIN)
736 # define PERL_SHORT_MIN ((short)MINSHORT)
738 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
743 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
746 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
748 # define PERL_UINT_MAX (~(unsigned int)0)
752 #define PERL_UINT_MIN ((unsigned int)0)
755 # define PERL_INT_MAX ((int)INT_MAX)
757 # ifdef MAXINT /* Often used in <values.h> */
758 # define PERL_INT_MAX ((int)MAXINT)
760 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
765 # define PERL_INT_MIN ((int)INT_MIN)
768 # define PERL_INT_MIN ((int)MININT)
770 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
775 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
778 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
780 # define PERL_ULONG_MAX (~(unsigned long)0)
784 #define PERL_ULONG_MIN ((unsigned long)0L)
787 # define PERL_LONG_MAX ((long)LONG_MAX)
789 # ifdef MAXLONG /* Often used in <values.h> */
790 # define PERL_LONG_MAX ((long)MAXLONG)
792 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
797 # define PERL_LONG_MIN ((long)LONG_MIN)
800 # define PERL_LONG_MIN ((long)MINLONG)
802 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
809 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
811 # define PERL_UQUAD_MAX (~(UV)0)
814 # define PERL_UQUAD_MIN ((UV)0)
817 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
819 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
823 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
825 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
830 typedef MEM_SIZE STRLEN;
832 typedef struct op OP;
833 typedef struct cop COP;
834 typedef struct unop UNOP;
835 typedef struct binop BINOP;
836 typedef struct listop LISTOP;
837 typedef struct logop LOGOP;
838 typedef struct condop CONDOP;
839 typedef struct pmop PMOP;
840 typedef struct svop SVOP;
841 typedef struct gvop GVOP;
842 typedef struct pvop PVOP;
843 typedef struct loop LOOP;
845 typedef struct Outrec Outrec;
846 typedef struct interpreter PerlInterpreter;
847 typedef struct ff FF;
848 typedef struct sv SV;
849 typedef struct av AV;
850 typedef struct hv HV;
851 typedef struct cv CV;
852 typedef struct regexp REGEXP;
853 typedef struct gp GP;
854 typedef struct gv GV;
855 typedef struct io IO;
856 typedef struct context CONTEXT;
857 typedef struct block BLOCK;
859 typedef struct magic MAGIC;
860 typedef struct xrv XRV;
861 typedef struct xpv XPV;
862 typedef struct xpviv XPVIV;
863 typedef struct xpvuv XPVUV;
864 typedef struct xpvnv XPVNV;
865 typedef struct xpvmg XPVMG;
866 typedef struct xpvlv XPVLV;
867 typedef struct xpvav XPVAV;
868 typedef struct xpvhv XPVHV;
869 typedef struct xpvgv XPVGV;
870 typedef struct xpvcv XPVCV;
871 typedef struct xpvbm XPVBM;
872 typedef struct xpvfm XPVFM;
873 typedef struct xpvio XPVIO;
874 typedef struct mgvtbl MGVTBL;
875 typedef union any ANY;
879 typedef I32 (*filter_t) _((int, SV *, int));
880 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
881 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
882 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
895 # include "./plan9/plan9ish.h"
897 # include "unixish.h"
902 /* Some unistd.h's give a prototype for pause() even though
903 HAS_PAUSE ends up undefined. This causes the #define
904 below to be rejected by the compmiler. Sigh.
909 #define Pause() sleep((32767<<16)+32767)
914 /* on BSDish systes we're safe */
915 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
917 /* otherwise guess at what's safe */
918 # define IOCPARM_LEN(x) 256
927 void (*any_dptr) _((void*));
944 /* work around some libPW problems */
949 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
953 #if defined(htonl) && !defined(HAS_HTONL)
956 #if defined(htons) && !defined(HAS_HTONS)
959 #if defined(ntohl) && !defined(HAS_NTOHL)
962 #if defined(ntohs) && !defined(HAS_NTOHS)
966 #if (BYTEORDER & 0xffff) != 0x4321
972 #define htons my_swap
973 #define htonl my_htonl
974 #define ntohs my_swap
975 #define ntohl my_ntohl
978 #if (BYTEORDER & 0xffff) == 0x4321
987 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
990 #if BYTEORDER != 0x1234
995 # if BYTEORDER == 0x4321
996 # define vtohl(x) ((((x)&0xFF)<<24) \
998 +(((x)&0x0000FF00)<<8) \
999 +(((x)&0x00FF0000)>>8) )
1000 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1001 # define htovl(x) vtohl(x)
1002 # define htovs(x) vtohs(x)
1004 /* otherwise default to functions in util.c */
1008 #define U_S(what) ((U16)(what))
1009 #define U_I(what) ((unsigned int)(what))
1010 #define U_L(what) ((U32)(what))
1015 U32 cast_ulong _((double));
1019 #define U_S(what) ((U16)cast_ulong((double)(what)))
1020 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1021 #define U_L(what) (cast_ulong((double)(what)))
1025 #define I_32(what) ((I32)(what))
1026 #define I_V(what) ((IV)(what))
1027 #define U_V(what) ((UV)(what))
1032 I32 cast_i32 _((double));
1033 IV cast_iv _((double));
1034 UV cast_uv _((double));
1038 #define I_32(what) (cast_i32((double)(what)))
1039 #define I_V(what) (cast_iv((double)(what)))
1040 #define U_V(what) (cast_uv((double)(what)))
1054 # define TMPPATH "/tmp/perl-eXXXXXX"
1058 Uid_t getuid _((void));
1059 Uid_t geteuid _((void));
1060 Gid_t getgid _((void));
1061 Gid_t getegid _((void));
1065 #ifndef Perl_debug_log
1066 #define Perl_debug_log PerlIO_stderr()
1070 #define DEBUG(a) if (debug) a
1071 #define DEBUG_p(a) if (debug & 1) a
1072 #define DEBUG_s(a) if (debug & 2) a
1073 #define DEBUG_l(a) if (debug & 4) a
1074 #define DEBUG_t(a) if (debug & 8) a
1075 #define DEBUG_o(a) if (debug & 16) a
1076 #define DEBUG_c(a) if (debug & 32) a
1077 #define DEBUG_P(a) if (debug & 64) a
1078 #define DEBUG_m(a) if (curinterp && debug & 128) a
1079 #define DEBUG_f(a) if (debug & 256) a
1080 #define DEBUG_r(a) if (debug & 512) a
1081 #define DEBUG_x(a) if (debug & 1024) a
1082 #define DEBUG_u(a) if (debug & 2048) a
1083 #define DEBUG_L(a) if (debug & 4096) a
1084 #define DEBUG_H(a) if (debug & 8192) a
1085 #define DEBUG_X(a) if (debug & 16384) a
1086 #define DEBUG_D(a) if (debug & 32768) a
1107 #define YYMAXDEPTH 300
1109 #ifndef assert /* <assert.h> might have been included somehow */
1110 #define assert(what) DEB( { \
1112 croak("Assertion failed: file \"%s\", line %d", \
1113 __FILE__, __LINE__); \
1119 I32 (*uf_val)_((IV, SV*));
1120 I32 (*uf_set)_((IV, SV*));
1124 /* Fix these up for __STDC__ */
1126 char *mktemp _((char*));
1127 double atof _((const char*));
1131 /* All of these are in stdlib.h or time.h for ANSI C */
1133 struct tm *gmtime(), *localtime();
1134 char *strchr(), *strrchr();
1135 char *strcpy(), *strcat();
1136 #endif /* ! STANDARD_C */
1145 double exp _((double));
1146 double log _((double));
1147 double sqrt _((double));
1148 double modf _((double,double*));
1149 double sin _((double));
1150 double cos _((double));
1151 double atan2 _((double,double));
1152 double pow _((double,double));
1159 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1160 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1162 char *crypt _((const char*, const char*));
1164 char *getenv _((const char*));
1165 Off_t lseek _((int,Off_t,int));
1166 char *getlogin _((void));
1169 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1170 #define UNLINK unlnk
1171 I32 unlnk _((char*));
1173 #define UNLINK unlink
1176 #ifndef HAS_SETREUID
1177 # ifdef HAS_SETRESUID
1178 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1179 # define HAS_SETREUID
1182 #ifndef HAS_SETREGID
1183 # ifdef HAS_SETRESGID
1184 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1185 # define HAS_SETREGID
1189 typedef Signal_t (*Sighandler_t) _((int));
1191 #ifdef HAS_SIGACTION
1192 typedef struct sigaction Sigsave_t;
1194 typedef Sighandler_t Sigsave_t;
1206 # ifndef DEBUGGING_MSTATS
1207 # define DEBUGGING_MSTATS
1210 # define PAD_SV(po) pad_sv(po)
1212 # define PAD_SV(po) curpad[po]
1220 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1221 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1222 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1223 extern char ** environ; /* environment variables supplied via exec */
1225 # if defined(NeXT) && defined(__DYNAMIC__)
1227 # include <mach-o/dyld.h>
1228 EXT char *** environ_pointer;
1229 # define environ (*environ_pointer)
1231 #endif /* environ processing */
1233 EXT int uid; /* current real user id */
1234 EXT int euid; /* current effective user id */
1235 EXT int gid; /* current real group id */
1236 EXT int egid; /* current effective group id */
1237 EXT bool nomemok; /* let malloc context handle nomem */
1238 EXT U32 an; /* malloc sequence number */
1239 EXT U32 cop_seqmax; /* statement sequence number */
1240 EXT U16 op_seqmax; /* op sequence number */
1241 EXT U32 evalseq; /* eval sequence number */
1242 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1243 EXT char ** origenviron;
1245 EXT U32 * profiledata;
1246 EXT int maxo INIT(MAXO);/* Number of ops */
1247 EXT char * osname; /* operating system */
1248 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1250 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1251 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1252 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1253 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1254 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1255 EXT HE * he_root; /* free he list--shared by interpreters */
1256 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1257 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1259 /* Stack for currently executing thread--context switch must handle this. */
1260 EXT SV ** stack_base; /* stack->array_ary */
1261 EXT SV ** stack_sp; /* stack pointer now */
1262 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1264 /* likewise for these */
1266 EXT OP * op; /* current op--oughta be in a global register */
1268 EXT I32 * scopestack; /* blocks we've entered */
1269 EXT I32 scopestack_ix;
1270 EXT I32 scopestack_max;
1272 EXT ANY* savestack; /* to save non-local values on */
1273 EXT I32 savestack_ix;
1274 EXT I32 savestack_max;
1276 EXT OP ** retstack; /* returns we've pushed */
1277 EXT I32 retstack_ix;
1278 EXT I32 retstack_max;
1280 EXT I32 * markstack; /* stackmarks we're remembering */
1281 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1282 EXT I32 * markstack_max; /* stackmarks we're remembering */
1290 EXT char buf[2048]; /* should be longer than PATH_MAX */
1291 EXT char tokenbuf[256];
1292 EXT struct stat statbuf;
1294 EXT struct tms timesbuf;
1296 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1298 /* for tmp use in stupid debuggers */
1303 /* handy constants */
1304 EXT char * Yes INIT("1");
1305 EXT char * No INIT("");
1306 EXT char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1307 EXT char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1308 EXT char * vert INIT("|");
1310 EXT char warn_uninit[]
1311 INIT("Use of uninitialized value");
1312 EXT char warn_nosemi[]
1313 INIT("Semicolon seems to be missing");
1314 EXT char warn_reserved[]
1315 INIT("Unquoted string \"%s\" may clash with future reserved word");
1317 INIT("Unsuccessful %s on filename containing newline");
1318 EXT char no_wrongref[]
1319 INIT("Can't use %s ref as %s ref");
1320 EXT char no_symref[]
1321 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1323 INIT("Can't use an undefined value as %s reference");
1325 INIT("Modification of non-creatable array value attempted, subscript %d");
1327 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1328 EXT char no_modify[]
1329 INIT("Modification of a read-only value attempted");
1331 INIT("Out of memory!\n");
1332 EXT char no_security[]
1333 INIT("Insecure dependency in %s%s");
1334 EXT char no_sock_func[]
1335 INIT("Unsupported socket function \"%s\" called");
1336 EXT char no_dir_func[]
1337 INIT("Unsupported directory function \"%s\" called");
1339 INIT("The %s function is unimplemented");
1340 EXT char no_myglob[]
1341 INIT("\"my\" variable %s can't be in a package");
1347 EXT char * cshname INIT(CSH);
1352 EXT char *sig_name[] = { SIG_NAME };
1353 EXT int sig_num[] = { SIG_NUM };
1354 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1355 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1357 EXT char *sig_name[];
1359 EXT SV * psig_ptr[];
1360 EXT SV * psig_name[];
1363 /* fast case folding tables */
1366 EXTCONST unsigned char fold[] = {
1367 0, 1, 2, 3, 4, 5, 6, 7,
1368 8, 9, 10, 11, 12, 13, 14, 15,
1369 16, 17, 18, 19, 20, 21, 22, 23,
1370 24, 25, 26, 27, 28, 29, 30, 31,
1371 32, 33, 34, 35, 36, 37, 38, 39,
1372 40, 41, 42, 43, 44, 45, 46, 47,
1373 48, 49, 50, 51, 52, 53, 54, 55,
1374 56, 57, 58, 59, 60, 61, 62, 63,
1375 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1376 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1377 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1378 'x', 'y', 'z', 91, 92, 93, 94, 95,
1379 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1380 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1381 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1382 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1383 128, 129, 130, 131, 132, 133, 134, 135,
1384 136, 137, 138, 139, 140, 141, 142, 143,
1385 144, 145, 146, 147, 148, 149, 150, 151,
1386 152, 153, 154, 155, 156, 157, 158, 159,
1387 160, 161, 162, 163, 164, 165, 166, 167,
1388 168, 169, 170, 171, 172, 173, 174, 175,
1389 176, 177, 178, 179, 180, 181, 182, 183,
1390 184, 185, 186, 187, 188, 189, 190, 191,
1391 192, 193, 194, 195, 196, 197, 198, 199,
1392 200, 201, 202, 203, 204, 205, 206, 207,
1393 208, 209, 210, 211, 212, 213, 214, 215,
1394 216, 217, 218, 219, 220, 221, 222, 223,
1395 224, 225, 226, 227, 228, 229, 230, 231,
1396 232, 233, 234, 235, 236, 237, 238, 239,
1397 240, 241, 242, 243, 244, 245, 246, 247,
1398 248, 249, 250, 251, 252, 253, 254, 255
1401 EXT unsigned char fold[];
1405 EXT unsigned char fold_locale[] = {
1406 0, 1, 2, 3, 4, 5, 6, 7,
1407 8, 9, 10, 11, 12, 13, 14, 15,
1408 16, 17, 18, 19, 20, 21, 22, 23,
1409 24, 25, 26, 27, 28, 29, 30, 31,
1410 32, 33, 34, 35, 36, 37, 38, 39,
1411 40, 41, 42, 43, 44, 45, 46, 47,
1412 48, 49, 50, 51, 52, 53, 54, 55,
1413 56, 57, 58, 59, 60, 61, 62, 63,
1414 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1415 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1416 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1417 'x', 'y', 'z', 91, 92, 93, 94, 95,
1418 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1419 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1420 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1421 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1422 128, 129, 130, 131, 132, 133, 134, 135,
1423 136, 137, 138, 139, 140, 141, 142, 143,
1424 144, 145, 146, 147, 148, 149, 150, 151,
1425 152, 153, 154, 155, 156, 157, 158, 159,
1426 160, 161, 162, 163, 164, 165, 166, 167,
1427 168, 169, 170, 171, 172, 173, 174, 175,
1428 176, 177, 178, 179, 180, 181, 182, 183,
1429 184, 185, 186, 187, 188, 189, 190, 191,
1430 192, 193, 194, 195, 196, 197, 198, 199,
1431 200, 201, 202, 203, 204, 205, 206, 207,
1432 208, 209, 210, 211, 212, 213, 214, 215,
1433 216, 217, 218, 219, 220, 221, 222, 223,
1434 224, 225, 226, 227, 228, 229, 230, 231,
1435 232, 233, 234, 235, 236, 237, 238, 239,
1436 240, 241, 242, 243, 244, 245, 246, 247,
1437 248, 249, 250, 251, 252, 253, 254, 255
1440 EXT unsigned char fold_locale[];
1444 EXT unsigned char freq[] = { /* letter frequencies for mixed English/C */
1445 1, 2, 84, 151, 154, 155, 156, 157,
1446 165, 246, 250, 3, 158, 7, 18, 29,
1447 40, 51, 62, 73, 85, 96, 107, 118,
1448 129, 140, 147, 148, 149, 150, 152, 153,
1449 255, 182, 224, 205, 174, 176, 180, 217,
1450 233, 232, 236, 187, 235, 228, 234, 226,
1451 222, 219, 211, 195, 188, 193, 185, 184,
1452 191, 183, 201, 229, 181, 220, 194, 162,
1453 163, 208, 186, 202, 200, 218, 198, 179,
1454 178, 214, 166, 170, 207, 199, 209, 206,
1455 204, 160, 212, 216, 215, 192, 175, 173,
1456 243, 172, 161, 190, 203, 189, 164, 230,
1457 167, 248, 227, 244, 242, 255, 241, 231,
1458 240, 253, 169, 210, 245, 237, 249, 247,
1459 239, 168, 252, 251, 254, 238, 223, 221,
1460 213, 225, 177, 197, 171, 196, 159, 4,
1461 5, 6, 8, 9, 10, 11, 12, 13,
1462 14, 15, 16, 17, 19, 20, 21, 22,
1463 23, 24, 25, 26, 27, 28, 30, 31,
1464 32, 33, 34, 35, 36, 37, 38, 39,
1465 41, 42, 43, 44, 45, 46, 47, 48,
1466 49, 50, 52, 53, 54, 55, 56, 57,
1467 58, 59, 60, 61, 63, 64, 65, 66,
1468 67, 68, 69, 70, 71, 72, 74, 75,
1469 76, 77, 78, 79, 80, 81, 82, 83,
1470 86, 87, 88, 89, 90, 91, 92, 93,
1471 94, 95, 97, 98, 99, 100, 101, 102,
1472 103, 104, 105, 106, 108, 109, 110, 111,
1473 112, 113, 114, 115, 116, 117, 119, 120,
1474 121, 122, 123, 124, 125, 126, 127, 128,
1475 130, 131, 132, 133, 134, 135, 136, 137,
1476 138, 139, 141, 142, 143, 144, 145, 146
1479 EXT unsigned char freq[];
1484 EXT char* block_type[] = {
1493 EXT char* block_type[];
1497 /*****************************************************************************/
1498 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1499 /*****************************************************************************/
1500 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1513 EXT U32 lex_state; /* next token is determined */
1514 EXT U32 lex_defer; /* state after determined token */
1515 EXT expectation lex_expect; /* expect after determined token */
1516 EXT I32 lex_brackets; /* bracket count */
1517 EXT I32 lex_formbrack; /* bracket count at outer format level */
1518 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1519 EXT I32 lex_casemods; /* casemod count */
1520 EXT I32 lex_dojoin; /* doing an array interpolation */
1521 EXT I32 lex_starts; /* how many interps done on level */
1522 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1523 EXT SV * lex_repl; /* runtime replacement from s/// */
1524 EXT OP * lex_op; /* extra info to pass back on op */
1525 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1526 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1527 EXT char * lex_brackstack; /* what kind of brackets to pop */
1528 EXT char * lex_casestack; /* what kind of case mods in effect */
1530 /* What we know when we're in LEX_KNOWNEXT state. */
1531 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1532 EXT I32 nexttype[5]; /* type of next token */
1535 EXT PerlIO * VOL rsfp INIT(Nullfp);
1538 EXT char * oldbufptr;
1539 EXT char * oldoldbufptr;
1541 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1542 EXT AV * rsfp_filters;
1544 EXT I32 multi_start; /* 1st line of multi-line string */
1545 EXT I32 multi_end; /* last line of multi-line string */
1546 EXT I32 multi_open; /* delimiter of said string */
1547 EXT I32 multi_close; /* delimiter of said string */
1550 EXT I32 error_count; /* how many errors so far, max 10 */
1551 EXT I32 subline; /* line this subroutine began on */
1552 EXT SV * subname; /* name of current subroutine */
1554 EXT CV * compcv; /* currently compiling subroutine */
1555 EXT AV * comppad; /* storage for lexically scoped temporaries */
1556 EXT AV * comppad_name; /* variable names for "my" variables */
1557 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1558 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1559 EXT I32 min_intro_pending;/* start of vars to introduce */
1560 EXT I32 max_intro_pending;/* end of vars to introduce */
1561 EXT I32 padix; /* max used index in current "register" pad */
1562 EXT I32 padix_floor; /* how low may inner block reset padix */
1563 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1566 EXT I32 thisexpr; /* name id for nothing_in_common() */
1567 EXT char * last_uni; /* position of last named-unary operator */
1568 EXT char * last_lop; /* position of last list operator */
1569 EXT OPCODE last_lop_op; /* last list operator */
1570 EXT bool in_my; /* we're compiling a "my" declaration */
1572 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1575 EXT U32 hints; /* various compilation flags */
1577 /* Note: the lowest 8 bits are reserved for
1578 stuffing into op->op_private */
1579 #define HINT_INTEGER 0x00000001
1580 #define HINT_STRICT_REFS 0x00000002
1582 #define HINT_BLOCK_SCOPE 0x00000100
1583 #define HINT_STRICT_SUBS 0x00000200
1584 #define HINT_STRICT_VARS 0x00000400
1585 #define HINT_LOCALE 0x00000800
1587 /**************************************************************************/
1588 /* This regexp stuff is global since it always happens within 1 expr eval */
1589 /**************************************************************************/
1591 EXT char * regprecomp; /* uncompiled string. */
1592 EXT char * regparse; /* Input-scan pointer. */
1593 EXT char * regxend; /* End of input for compile */
1594 EXT I32 regnpar; /* () count. */
1595 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1596 EXT I32 regsize; /* Code size. */
1597 EXT I32 regnaughty; /* How bad is this pattern? */
1598 EXT I32 regsawback; /* Did we see \1, ...? */
1600 EXT char * reginput; /* String-input pointer. */
1601 EXT char * regbol; /* Beginning of input, for ^ check. */
1602 EXT char * regeol; /* End of input, for $ check. */
1603 EXT char ** regstartp; /* Pointer to startp array. */
1604 EXT char ** regendp; /* Ditto for endp. */
1605 EXT U32 * reglastparen; /* Similarly for lastparen. */
1606 EXT char * regtill; /* How far we are required to go. */
1607 EXT U16 regflags; /* are we folding, multilining? */
1608 EXT char regprev; /* char before regbol, \n if none */
1610 EXT bool do_undump; /* -u or dump seen? */
1613 /***********************************************/
1614 /* Global only to current interpreter instance */
1615 /***********************************************/
1620 struct interpreter {
1623 #define IINIT(x) INIT(x)
1626 /* pseudo environmental stuff */
1628 IEXT char ** Iorigargv;
1632 IEXT char * Iorigfilename;
1634 IEXT SV * Iwarnhook;
1635 IEXT SV * Iparsehook;
1637 /* Various states of an input record separator SV (rs, nrs) */
1638 #define RsSNARF(sv) (! SvOK(sv))
1639 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1640 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1645 IEXT char Ipatchlevel[10];
1646 IEXT char ** Ilocalpatches;
1648 IEXT char * Isplitstr IINIT(" ");
1649 IEXT bool Ipreprocess;
1655 IEXT bool Idoswitches;
1657 IEXT bool Idoextract;
1658 IEXT bool Isawampersand; /* must save all match strings */
1659 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1662 IEXT char * Iinplace;
1663 IEXT char * Ie_tmpname;
1664 IEXT PerlIO * Ie_fp;
1666 /* This value may be raised by extensions for testing purposes */
1667 IEXT int Iperl_destruct_level; /* 0=none, 1=full, 2=full with checks */
1669 /* magical thingies */
1670 IEXT Time_t Ibasetime; /* $^T */
1671 IEXT SV * Iformfeed; /* $^L */
1672 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1673 IEXT SV * Irs; /* $/ */
1674 IEXT char * Iofs; /* $, */
1675 IEXT STRLEN Iofslen;
1676 IEXT char * Iors; /* $\ */
1677 IEXT STRLEN Iorslen;
1678 IEXT char * Iofmt; /* $# */
1679 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1680 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1681 IEXT U32 Istatusvalue; /* $? */
1683 IEXT struct stat Istatcache; /* _ */
1685 IEXT SV * Istatname IINIT(Nullsv);
1687 /* shortcuts to various I/O objects */
1689 IEXT GV * Ilast_in_gv;
1692 IEXT GV * Idefoutgv;
1693 IEXT GV * Iargvoutgv;
1695 /* shortcuts to regexp stuff */
1699 IEXT PMOP * Icurpm; /* what to do \ interps from */
1700 IEXT I32 * Iscreamfirst;
1701 IEXT I32 * Iscreamnext;
1702 IEXT I32 Imaxscream IINIT(-1);
1703 IEXT SV * Ilastscream;
1705 /* shortcuts to misc objects */
1708 /* shortcuts to debugging objects */
1712 IEXT SV * IDBsingle;
1714 IEXT SV * IDBsignal;
1715 IEXT AV * Ilineary; /* lines of script for debugger */
1716 IEXT AV * Idbargs; /* args to call listed by caller function */
1719 IEXT HV * Idefstash; /* main symbol table */
1720 IEXT HV * Icurstash; /* symbol table for current package */
1721 IEXT HV * Idebstash; /* symbol table for perldb package */
1722 IEXT SV * Icurstname; /* name of current package */
1723 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1724 IEXT AV * Iendav; /* names of END subroutines */
1725 IEXT HV * Istrtab; /* shared string table */
1727 /* memory management */
1728 IEXT SV ** Itmps_stack;
1729 IEXT I32 Itmps_ix IINIT(-1);
1730 IEXT I32 Itmps_floor IINIT(-1);
1732 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1733 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1734 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1735 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1737 /* funky return mechanisms */
1738 IEXT I32 Ilastspbase;
1740 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1742 /* subprocess state */
1743 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1744 IEXT HV * Ipidstatus; /* keep pid-to-status mappings for waitpid */
1746 /* internal state */
1747 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1748 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1749 IEXT int Idelaymagic; /* ($<,$>) = ... */
1750 IEXT bool Idirty; /* In the middle of tearing things down? */
1751 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1752 IEXT bool Itainted; /* using variables controlled by $< */
1753 IEXT bool Itainting; /* doing taint checks */
1754 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1758 IEXT I32 Idlmax IINIT(128);
1759 IEXT char * Idebname;
1760 IEXT char * Idebdelim;
1762 /* current interpreter roots */
1764 IEXT OP * Imain_root;
1765 IEXT OP * Imain_start;
1766 IEXT OP * Ieval_root;
1767 IEXT OP * Ieval_start;
1769 /* runtime control stuff */
1770 IEXT COP * VOL Icurcop IINIT(&compiling);
1771 IEXT COP * Icurcopdb IINIT(NULL);
1772 IEXT line_t Icopline IINIT(NOLINE);
1773 IEXT CONTEXT * Icxstack;
1774 IEXT I32 Icxstack_ix IINIT(-1);
1775 IEXT I32 Icxstack_max IINIT(128);
1776 IEXT Sigjmp_buf Itop_env;
1780 IEXT AV * Icurstack; /* THE STACK */
1781 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1782 IEXT SV ** Imystack_base; /* stack->array_ary */
1783 IEXT SV ** Imystack_sp; /* stack pointer now */
1784 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1786 /* format accumulators */
1787 IEXT SV * Iformtarget;
1788 IEXT SV * Ibodytarget;
1789 IEXT SV * Itoptarget;
1791 /* statics moved here for shared library purposes */
1792 IEXT SV Istrchop; /* return value from chop */
1793 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1794 IEXT int Ilastfd; /* what to preserve mode on */
1795 IEXT char * Ioldname; /* what to preserve mode on */
1796 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1797 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1798 IEXT OP * Isortcop; /* user defined sort routine */
1799 IEXT HV * Isortstash; /* which is in some package or other */
1800 IEXT GV * Ifirstgv; /* $a */
1801 IEXT GV * Isecondgv; /* $b */
1802 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1803 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1804 IEXT SV * Imystrk; /* temp key string for do_each() */
1805 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1806 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1807 IEXT I32 Igensym; /* next symbol for getsym() to define */
1808 IEXT bool Ipreambled;
1809 IEXT AV * Ipreambleav;
1810 IEXT int Ilaststatval IINIT(-1);
1811 IEXT I32 Ilaststype IINIT(OP_STAT);
1819 struct interpreter {
1833 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1834 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1836 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1837 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1844 /* The following must follow proto.h */
1848 EXT MGVTBL vtbl_sv = {magic_get,
1852 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1853 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1856 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1857 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1861 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1863 EXT MGVTBL vtbl_packelem = {magic_getpack,
1867 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1869 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1871 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1873 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1876 EXT MGVTBL vtbl_glob = {magic_getglob,
1879 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1881 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1883 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1885 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1887 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1889 EXT MGVTBL vtbl_pos = {magic_getpos,
1892 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1894 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1896 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1900 #ifdef USE_LOCALE_COLLATE
1901 EXT MGVTBL vtbl_collxfrm = {0,
1907 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1908 0, 0, magic_setamagic};
1909 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1910 0, 0, magic_setamagic};
1911 #endif /* OVERLOAD */
1916 EXT MGVTBL vtbl_env;
1917 EXT MGVTBL vtbl_envelem;
1918 EXT MGVTBL vtbl_sig;
1919 EXT MGVTBL vtbl_sigelem;
1920 EXT MGVTBL vtbl_pack;
1921 EXT MGVTBL vtbl_packelem;
1922 EXT MGVTBL vtbl_dbline;
1923 EXT MGVTBL vtbl_isa;
1924 EXT MGVTBL vtbl_isaelem;
1925 EXT MGVTBL vtbl_arylen;
1926 EXT MGVTBL vtbl_glob;
1927 EXT MGVTBL vtbl_mglob;
1928 EXT MGVTBL vtbl_nkeys;
1929 EXT MGVTBL vtbl_taint;
1930 EXT MGVTBL vtbl_substr;
1931 EXT MGVTBL vtbl_vec;
1932 EXT MGVTBL vtbl_pos;
1935 EXT MGVTBL vtbl_uvar;
1937 #ifdef USE_LOCALE_COLLATE
1938 EXT MGVTBL vtbl_collxfrm;
1942 EXT MGVTBL vtbl_amagic;
1943 EXT MGVTBL vtbl_amagicelem;
1944 #endif /* OVERLOAD */
1946 #endif /* !DOINIT */
1949 EXT long amagic_generation;
1951 #define NofAMmeth 29
1953 EXT char * AMG_names[NofAMmeth][2] = {
1955 {"bool", "nomethod"},
1985 EXT char * AMG_names[NofAMmeth][2];
1986 #endif /* def INITAMAGIC */
1991 CV* table[NofAMmeth*2];
1994 typedef struct am_table AMT;
1996 #define AMGfallNEVER 1
1998 #define AMGfallYES 3
2001 fallback_amg, abs_amg,
2002 bool__amg, nomethod_amg,
2003 string_amg, numer_amg,
2004 add_amg, add_ass_amg,
2005 subtr_amg, subtr_ass_amg,
2006 mult_amg, mult_ass_amg,
2007 div_amg, div_ass_amg,
2008 mod_amg, mod_ass_amg,
2009 pow_amg, pow_ass_amg,
2010 lshift_amg, lshift_ass_amg,
2011 rshift_amg, rshift_ass_amg,
2012 band_amg, band_ass_amg,
2013 bor_amg, bor_ass_amg,
2014 bxor_amg, bxor_ass_amg,
2027 repeat_amg, repeat_ass_amg,
2028 concat_amg, concat_ass_amg,
2031 #endif /* OVERLOAD */
2033 #ifdef USE_LOCALE_COLLATE
2034 EXT U32 collation_ix; /* Collation generation index */
2035 EXT char * collation_name; /* Name of current collation */
2036 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2037 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2038 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2039 #endif /* USE_LOCALE_COLLATE */
2041 #ifdef USE_LOCALE_NUMERIC
2043 EXT char * numeric_name; /* Name of current numeric locale */
2044 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2045 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2047 #define SET_NUMERIC_STANDARD() \
2049 if (! numeric_standard) \
2050 perl_set_numeric_standard(); \
2053 #define SET_NUMERIC_LOCAL() \
2055 if (! numeric_local) \
2056 perl_set_numeric_local(); \
2059 #else /* !USE_LOCALE_NUMERIC */
2061 #define SET_NUMERIC_STANDARD() /**/
2062 #define SET_NUMERIC_LOCAL() /**/
2064 #endif /* !USE_LOCALE_NUMERIC */
2066 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2068 * Now we have __attribute__ out of the way
2071 #define printf PerlIO_stdoutf
2074 #endif /* Include guard */