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 */
1289 EXT char buf[2048]; /* should be longer than PATH_MAX */
1290 EXT char tokenbuf[256];
1291 EXT struct stat statbuf;
1293 EXT struct tms timesbuf;
1295 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1297 /* for tmp use in stupid debuggers */
1302 /* handy constants */
1303 EXT char * Yes INIT("1");
1304 EXT char * No INIT("");
1305 EXT char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1306 EXT char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1307 EXT char * vert INIT("|");
1309 EXT char warn_uninit[]
1310 INIT("Use of uninitialized value");
1311 EXT char warn_nosemi[]
1312 INIT("Semicolon seems to be missing");
1313 EXT char warn_reserved[]
1314 INIT("Unquoted string \"%s\" may clash with future reserved word");
1316 INIT("Unsuccessful %s on filename containing newline");
1317 EXT char no_wrongref[]
1318 INIT("Can't use %s ref as %s ref");
1319 EXT char no_symref[]
1320 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1322 INIT("Can't use an undefined value as %s reference");
1324 INIT("Modification of non-creatable array value attempted, subscript %d");
1326 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1327 EXT char no_modify[]
1328 INIT("Modification of a read-only value attempted");
1330 INIT("Out of memory!\n");
1331 EXT char no_security[]
1332 INIT("Insecure dependency in %s%s");
1333 EXT char no_sock_func[]
1334 INIT("Unsupported socket function \"%s\" called");
1335 EXT char no_dir_func[]
1336 INIT("Unsupported directory function \"%s\" called");
1338 INIT("The %s function is unimplemented");
1339 EXT char no_myglob[]
1340 INIT("\"my\" variable %s can't be in a package");
1346 EXT char * cshname INIT(CSH);
1351 EXT char *sig_name[] = { SIG_NAME };
1352 EXT int sig_num[] = { SIG_NUM };
1353 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1354 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1356 EXT char *sig_name[];
1358 EXT SV * psig_ptr[];
1359 EXT SV * psig_name[];
1362 /* fast case folding tables */
1365 EXTCONST unsigned char fold[] = {
1366 0, 1, 2, 3, 4, 5, 6, 7,
1367 8, 9, 10, 11, 12, 13, 14, 15,
1368 16, 17, 18, 19, 20, 21, 22, 23,
1369 24, 25, 26, 27, 28, 29, 30, 31,
1370 32, 33, 34, 35, 36, 37, 38, 39,
1371 40, 41, 42, 43, 44, 45, 46, 47,
1372 48, 49, 50, 51, 52, 53, 54, 55,
1373 56, 57, 58, 59, 60, 61, 62, 63,
1374 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1375 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1376 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1377 'x', 'y', 'z', 91, 92, 93, 94, 95,
1378 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1379 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1380 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1381 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1382 128, 129, 130, 131, 132, 133, 134, 135,
1383 136, 137, 138, 139, 140, 141, 142, 143,
1384 144, 145, 146, 147, 148, 149, 150, 151,
1385 152, 153, 154, 155, 156, 157, 158, 159,
1386 160, 161, 162, 163, 164, 165, 166, 167,
1387 168, 169, 170, 171, 172, 173, 174, 175,
1388 176, 177, 178, 179, 180, 181, 182, 183,
1389 184, 185, 186, 187, 188, 189, 190, 191,
1390 192, 193, 194, 195, 196, 197, 198, 199,
1391 200, 201, 202, 203, 204, 205, 206, 207,
1392 208, 209, 210, 211, 212, 213, 214, 215,
1393 216, 217, 218, 219, 220, 221, 222, 223,
1394 224, 225, 226, 227, 228, 229, 230, 231,
1395 232, 233, 234, 235, 236, 237, 238, 239,
1396 240, 241, 242, 243, 244, 245, 246, 247,
1397 248, 249, 250, 251, 252, 253, 254, 255
1400 EXT unsigned char fold[];
1404 EXT unsigned char fold_locale[] = {
1405 0, 1, 2, 3, 4, 5, 6, 7,
1406 8, 9, 10, 11, 12, 13, 14, 15,
1407 16, 17, 18, 19, 20, 21, 22, 23,
1408 24, 25, 26, 27, 28, 29, 30, 31,
1409 32, 33, 34, 35, 36, 37, 38, 39,
1410 40, 41, 42, 43, 44, 45, 46, 47,
1411 48, 49, 50, 51, 52, 53, 54, 55,
1412 56, 57, 58, 59, 60, 61, 62, 63,
1413 64, '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', 91, 92, 93, 94, 95,
1417 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1418 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1419 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1420 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1421 128, 129, 130, 131, 132, 133, 134, 135,
1422 136, 137, 138, 139, 140, 141, 142, 143,
1423 144, 145, 146, 147, 148, 149, 150, 151,
1424 152, 153, 154, 155, 156, 157, 158, 159,
1425 160, 161, 162, 163, 164, 165, 166, 167,
1426 168, 169, 170, 171, 172, 173, 174, 175,
1427 176, 177, 178, 179, 180, 181, 182, 183,
1428 184, 185, 186, 187, 188, 189, 190, 191,
1429 192, 193, 194, 195, 196, 197, 198, 199,
1430 200, 201, 202, 203, 204, 205, 206, 207,
1431 208, 209, 210, 211, 212, 213, 214, 215,
1432 216, 217, 218, 219, 220, 221, 222, 223,
1433 224, 225, 226, 227, 228, 229, 230, 231,
1434 232, 233, 234, 235, 236, 237, 238, 239,
1435 240, 241, 242, 243, 244, 245, 246, 247,
1436 248, 249, 250, 251, 252, 253, 254, 255
1439 EXT unsigned char fold_locale[];
1443 EXT unsigned char freq[] = { /* letter frequencies for mixed English/C */
1444 1, 2, 84, 151, 154, 155, 156, 157,
1445 165, 246, 250, 3, 158, 7, 18, 29,
1446 40, 51, 62, 73, 85, 96, 107, 118,
1447 129, 140, 147, 148, 149, 150, 152, 153,
1448 255, 182, 224, 205, 174, 176, 180, 217,
1449 233, 232, 236, 187, 235, 228, 234, 226,
1450 222, 219, 211, 195, 188, 193, 185, 184,
1451 191, 183, 201, 229, 181, 220, 194, 162,
1452 163, 208, 186, 202, 200, 218, 198, 179,
1453 178, 214, 166, 170, 207, 199, 209, 206,
1454 204, 160, 212, 216, 215, 192, 175, 173,
1455 243, 172, 161, 190, 203, 189, 164, 230,
1456 167, 248, 227, 244, 242, 255, 241, 231,
1457 240, 253, 169, 210, 245, 237, 249, 247,
1458 239, 168, 252, 251, 254, 238, 223, 221,
1459 213, 225, 177, 197, 171, 196, 159, 4,
1460 5, 6, 8, 9, 10, 11, 12, 13,
1461 14, 15, 16, 17, 19, 20, 21, 22,
1462 23, 24, 25, 26, 27, 28, 30, 31,
1463 32, 33, 34, 35, 36, 37, 38, 39,
1464 41, 42, 43, 44, 45, 46, 47, 48,
1465 49, 50, 52, 53, 54, 55, 56, 57,
1466 58, 59, 60, 61, 63, 64, 65, 66,
1467 67, 68, 69, 70, 71, 72, 74, 75,
1468 76, 77, 78, 79, 80, 81, 82, 83,
1469 86, 87, 88, 89, 90, 91, 92, 93,
1470 94, 95, 97, 98, 99, 100, 101, 102,
1471 103, 104, 105, 106, 108, 109, 110, 111,
1472 112, 113, 114, 115, 116, 117, 119, 120,
1473 121, 122, 123, 124, 125, 126, 127, 128,
1474 130, 131, 132, 133, 134, 135, 136, 137,
1475 138, 139, 141, 142, 143, 144, 145, 146
1478 EXT unsigned char freq[];
1483 EXT char* block_type[] = {
1492 EXT char* block_type[];
1496 /*****************************************************************************/
1497 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1498 /*****************************************************************************/
1499 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1512 EXT U32 lex_state; /* next token is determined */
1513 EXT U32 lex_defer; /* state after determined token */
1514 EXT expectation lex_expect; /* expect after determined token */
1515 EXT I32 lex_brackets; /* bracket count */
1516 EXT I32 lex_formbrack; /* bracket count at outer format level */
1517 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1518 EXT I32 lex_casemods; /* casemod count */
1519 EXT I32 lex_dojoin; /* doing an array interpolation */
1520 EXT I32 lex_starts; /* how many interps done on level */
1521 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1522 EXT SV * lex_repl; /* runtime replacement from s/// */
1523 EXT OP * lex_op; /* extra info to pass back on op */
1524 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1525 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1526 EXT char * lex_brackstack; /* what kind of brackets to pop */
1527 EXT char * lex_casestack; /* what kind of case mods in effect */
1529 /* What we know when we're in LEX_KNOWNEXT state. */
1530 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1531 EXT I32 nexttype[5]; /* type of next token */
1534 EXT PerlIO * VOL rsfp INIT(Nullfp);
1537 EXT char * oldbufptr;
1538 EXT char * oldoldbufptr;
1540 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1541 EXT AV * rsfp_filters;
1543 EXT I32 multi_start; /* 1st line of multi-line string */
1544 EXT I32 multi_end; /* last line of multi-line string */
1545 EXT I32 multi_open; /* delimiter of said string */
1546 EXT I32 multi_close; /* delimiter of said string */
1549 EXT I32 error_count; /* how many errors so far, max 10 */
1550 EXT I32 subline; /* line this subroutine began on */
1551 EXT SV * subname; /* name of current subroutine */
1553 EXT CV * compcv; /* currently compiling subroutine */
1554 EXT AV * comppad; /* storage for lexically scoped temporaries */
1555 EXT AV * comppad_name; /* variable names for "my" variables */
1556 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1557 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1558 EXT I32 min_intro_pending;/* start of vars to introduce */
1559 EXT I32 max_intro_pending;/* end of vars to introduce */
1560 EXT I32 padix; /* max used index in current "register" pad */
1561 EXT I32 padix_floor; /* how low may inner block reset padix */
1562 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1565 EXT I32 thisexpr; /* name id for nothing_in_common() */
1566 EXT char * last_uni; /* position of last named-unary operator */
1567 EXT char * last_lop; /* position of last list operator */
1568 EXT OPCODE last_lop_op; /* last list operator */
1569 EXT bool in_my; /* we're compiling a "my" declaration */
1571 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1574 EXT U32 hints; /* various compilation flags */
1576 /* Note: the lowest 8 bits are reserved for
1577 stuffing into op->op_private */
1578 #define HINT_INTEGER 0x00000001
1579 #define HINT_STRICT_REFS 0x00000002
1581 #define HINT_BLOCK_SCOPE 0x00000100
1582 #define HINT_STRICT_SUBS 0x00000200
1583 #define HINT_STRICT_VARS 0x00000400
1584 #define HINT_LOCALE 0x00000800
1586 /**************************************************************************/
1587 /* This regexp stuff is global since it always happens within 1 expr eval */
1588 /**************************************************************************/
1590 EXT char * regprecomp; /* uncompiled string. */
1591 EXT char * regparse; /* Input-scan pointer. */
1592 EXT char * regxend; /* End of input for compile */
1593 EXT I32 regnpar; /* () count. */
1594 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1595 EXT I32 regsize; /* Code size. */
1596 EXT I32 regnaughty; /* How bad is this pattern? */
1597 EXT I32 regsawback; /* Did we see \1, ...? */
1599 EXT char * reginput; /* String-input pointer. */
1600 EXT char * regbol; /* Beginning of input, for ^ check. */
1601 EXT char * regeol; /* End of input, for $ check. */
1602 EXT char ** regstartp; /* Pointer to startp array. */
1603 EXT char ** regendp; /* Ditto for endp. */
1604 EXT U32 * reglastparen; /* Similarly for lastparen. */
1605 EXT char * regtill; /* How far we are required to go. */
1606 EXT U16 regflags; /* are we folding, multilining? */
1607 EXT char regprev; /* char before regbol, \n if none */
1609 EXT bool do_undump; /* -u or dump seen? */
1612 /***********************************************/
1613 /* Global only to current interpreter instance */
1614 /***********************************************/
1619 struct interpreter {
1622 #define IINIT(x) INIT(x)
1625 /* pseudo environmental stuff */
1627 IEXT char ** Iorigargv;
1631 IEXT char * Iorigfilename;
1633 IEXT SV * Iwarnhook;
1634 IEXT SV * Iparsehook;
1636 /* Various states of an input record separator SV (rs, nrs) */
1637 #define RsSNARF(sv) (! SvOK(sv))
1638 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1639 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1644 IEXT char Ipatchlevel[10];
1645 IEXT char ** Ilocalpatches;
1647 IEXT char * Isplitstr IINIT(" ");
1648 IEXT bool Ipreprocess;
1654 IEXT bool Idoswitches;
1656 IEXT bool Idoextract;
1657 IEXT bool Isawampersand; /* must save all match strings */
1658 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1661 IEXT char * Iinplace;
1662 IEXT char * Ie_tmpname;
1663 IEXT PerlIO * Ie_fp;
1665 /* This value may be raised by extensions for testing purposes */
1666 IEXT int Iperl_destruct_level IINIT(1); /* 0=none, 1=full, 2=full with checks */
1668 /* magical thingies */
1669 IEXT Time_t Ibasetime; /* $^T */
1670 IEXT SV * Iformfeed; /* $^L */
1671 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1672 IEXT SV * Irs; /* $/ */
1673 IEXT char * Iofs; /* $, */
1674 IEXT STRLEN Iofslen;
1675 IEXT char * Iors; /* $\ */
1676 IEXT STRLEN Iorslen;
1677 IEXT char * Iofmt; /* $# */
1678 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1679 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1680 IEXT U32 Istatusvalue; /* $? */
1682 IEXT struct stat Istatcache; /* _ */
1684 IEXT SV * Istatname IINIT(Nullsv);
1686 /* shortcuts to various I/O objects */
1688 IEXT GV * Ilast_in_gv;
1691 IEXT GV * Idefoutgv;
1692 IEXT GV * Iargvoutgv;
1694 /* shortcuts to regexp stuff */
1698 IEXT PMOP * Icurpm; /* what to do \ interps from */
1699 IEXT I32 * Iscreamfirst;
1700 IEXT I32 * Iscreamnext;
1701 IEXT I32 Imaxscream IINIT(-1);
1702 IEXT SV * Ilastscream;
1704 /* shortcuts to misc objects */
1707 /* shortcuts to debugging objects */
1711 IEXT SV * IDBsingle;
1713 IEXT SV * IDBsignal;
1714 IEXT AV * Ilineary; /* lines of script for debugger */
1715 IEXT AV * Idbargs; /* args to call listed by caller function */
1718 IEXT HV * Idefstash; /* main symbol table */
1719 IEXT HV * Icurstash; /* symbol table for current package */
1720 IEXT HV * Idebstash; /* symbol table for perldb package */
1721 IEXT SV * Icurstname; /* name of current package */
1722 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1723 IEXT AV * Iendav; /* names of END subroutines */
1724 IEXT HV * Istrtab; /* shared string table */
1726 /* memory management */
1727 IEXT SV ** Itmps_stack;
1728 IEXT I32 Itmps_ix IINIT(-1);
1729 IEXT I32 Itmps_floor IINIT(-1);
1731 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1732 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1733 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1734 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1736 /* funky return mechanisms */
1737 IEXT I32 Ilastspbase;
1739 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1741 /* subprocess state */
1742 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1743 IEXT HV * Ipidstatus; /* keep pid-to-status mappings for waitpid */
1745 /* internal state */
1746 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1747 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1748 IEXT int Idelaymagic; /* ($<,$>) = ... */
1749 IEXT bool Idirty; /* In the middle of tearing things down? */
1750 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1751 IEXT bool Itainted; /* using variables controlled by $< */
1752 IEXT bool Itainting; /* doing taint checks */
1753 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1757 IEXT I32 Idlmax IINIT(128);
1758 IEXT char * Idebname;
1759 IEXT char * Idebdelim;
1761 /* current interpreter roots */
1763 IEXT OP * Imain_root;
1764 IEXT OP * Imain_start;
1765 IEXT OP * Ieval_root;
1766 IEXT OP * Ieval_start;
1768 /* runtime control stuff */
1769 IEXT COP * VOL Icurcop IINIT(&compiling);
1770 IEXT COP * Icurcopdb IINIT(NULL);
1771 IEXT line_t Icopline IINIT(NOLINE);
1772 IEXT CONTEXT * Icxstack;
1773 IEXT I32 Icxstack_ix IINIT(-1);
1774 IEXT I32 Icxstack_max IINIT(128);
1775 IEXT Sigjmp_buf Itop_env;
1779 IEXT AV * Icurstack; /* THE STACK */
1780 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1781 IEXT SV ** Imystack_base; /* stack->array_ary */
1782 IEXT SV ** Imystack_sp; /* stack pointer now */
1783 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1785 /* format accumulators */
1786 IEXT SV * Iformtarget;
1787 IEXT SV * Ibodytarget;
1788 IEXT SV * Itoptarget;
1790 /* statics moved here for shared library purposes */
1791 IEXT SV Istrchop; /* return value from chop */
1792 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1793 IEXT int Ilastfd; /* what to preserve mode on */
1794 IEXT char * Ioldname; /* what to preserve mode on */
1795 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1796 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1797 IEXT OP * Isortcop; /* user defined sort routine */
1798 IEXT HV * Isortstash; /* which is in some package or other */
1799 IEXT GV * Ifirstgv; /* $a */
1800 IEXT GV * Isecondgv; /* $b */
1801 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1802 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1803 IEXT SV * Imystrk; /* temp key string for do_each() */
1804 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1805 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1806 IEXT I32 Igensym; /* next symbol for getsym() to define */
1807 IEXT bool Ipreambled;
1808 IEXT AV * Ipreambleav;
1809 IEXT int Ilaststatval IINIT(-1);
1810 IEXT I32 Ilaststype IINIT(OP_STAT);
1818 struct interpreter {
1832 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1833 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1835 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1836 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1843 /* The following must follow proto.h */
1847 EXT MGVTBL vtbl_sv = {magic_get,
1851 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1852 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1855 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1856 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1860 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1862 EXT MGVTBL vtbl_packelem = {magic_getpack,
1866 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1868 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1870 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1872 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1875 EXT MGVTBL vtbl_glob = {magic_getglob,
1878 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1880 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1882 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1884 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1886 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1888 EXT MGVTBL vtbl_vivary = {0, magic_setvivary,
1889 0, 0, magic_freevivary};
1890 EXT MGVTBL vtbl_pos = {magic_getpos,
1893 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1895 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1897 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1901 #ifdef USE_LOCALE_COLLATE
1902 EXT MGVTBL vtbl_collxfrm = {0,
1908 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1909 0, 0, magic_setamagic};
1910 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1911 0, 0, magic_setamagic};
1912 #endif /* OVERLOAD */
1917 EXT MGVTBL vtbl_env;
1918 EXT MGVTBL vtbl_envelem;
1919 EXT MGVTBL vtbl_sig;
1920 EXT MGVTBL vtbl_sigelem;
1921 EXT MGVTBL vtbl_pack;
1922 EXT MGVTBL vtbl_packelem;
1923 EXT MGVTBL vtbl_dbline;
1924 EXT MGVTBL vtbl_isa;
1925 EXT MGVTBL vtbl_isaelem;
1926 EXT MGVTBL vtbl_arylen;
1927 EXT MGVTBL vtbl_glob;
1928 EXT MGVTBL vtbl_mglob;
1929 EXT MGVTBL vtbl_nkeys;
1930 EXT MGVTBL vtbl_taint;
1931 EXT MGVTBL vtbl_substr;
1932 EXT MGVTBL vtbl_vec;
1933 EXT MGVTBL vtbl_vivary;
1934 EXT MGVTBL vtbl_pos;
1937 EXT MGVTBL vtbl_uvar;
1939 #ifdef USE_LOCALE_COLLATE
1940 EXT MGVTBL vtbl_collxfrm;
1944 EXT MGVTBL vtbl_amagic;
1945 EXT MGVTBL vtbl_amagicelem;
1946 #endif /* OVERLOAD */
1948 #endif /* !DOINIT */
1951 EXT long amagic_generation;
1953 #define NofAMmeth 29
1955 EXT char * AMG_names[NofAMmeth][2] = {
1957 {"bool", "nomethod"},
1987 EXT char * AMG_names[NofAMmeth][2];
1988 #endif /* def INITAMAGIC */
1993 CV* table[NofAMmeth*2];
1996 typedef struct am_table AMT;
1998 #define AMGfallNEVER 1
2000 #define AMGfallYES 3
2003 fallback_amg, abs_amg,
2004 bool__amg, nomethod_amg,
2005 string_amg, numer_amg,
2006 add_amg, add_ass_amg,
2007 subtr_amg, subtr_ass_amg,
2008 mult_amg, mult_ass_amg,
2009 div_amg, div_ass_amg,
2010 mod_amg, mod_ass_amg,
2011 pow_amg, pow_ass_amg,
2012 lshift_amg, lshift_ass_amg,
2013 rshift_amg, rshift_ass_amg,
2014 band_amg, band_ass_amg,
2015 bor_amg, bor_ass_amg,
2016 bxor_amg, bxor_ass_amg,
2029 repeat_amg, repeat_ass_amg,
2030 concat_amg, concat_ass_amg,
2033 #endif /* OVERLOAD */
2035 #ifdef USE_LOCALE_COLLATE
2036 EXT U32 collation_ix; /* Collation generation index */
2037 EXT char * collation_name; /* Name of current collation */
2038 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2039 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2040 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2041 #endif /* USE_LOCALE_COLLATE */
2043 #ifdef USE_LOCALE_NUMERIC
2045 EXT char * numeric_name; /* Name of current numeric locale */
2046 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2047 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2049 #define SET_NUMERIC_STANDARD() \
2051 if (! numeric_standard) \
2052 perl_set_numeric_standard(); \
2055 #define SET_NUMERIC_LOCAL() \
2057 if (! numeric_local) \
2058 perl_set_numeric_local(); \
2061 #else /* !USE_LOCALE_NUMERIC */
2063 #define SET_NUMERIC_STANDARD() /**/
2064 #define SET_NUMERIC_LOCAL() /**/
2066 #endif /* !USE_LOCALE_NUMERIC */
2068 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2070 * Now we have __attribute__ out of the way
2073 #define printf PerlIO_stdoutf
2076 #endif /* Include guard */