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.
27 #endif /* PERL_FOR_X2P */
30 * STMT_START { statements; } STMT_END;
31 * can be used as a single statement, as in
32 * if (x) STMT_START { ... } STMT_END; else ...
34 * Trying to select a version that gives no warnings...
36 #if !(defined(STMT_START) && defined(STMT_END))
37 # if defined(__GNUC__) && !defined(__STRICT_ANSI__)
38 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
41 /* Now which other defined()s do we need here ??? */
42 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
43 # define STMT_START if (1)
44 # define STMT_END else (void)0
46 # define STMT_START do
47 # define STMT_END while (0)
58 * SOFT_CAST can be used for args to prototyped functions to retain some
59 * type checking; it only casts if the compiler does not know prototypes.
61 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
62 #define SOFT_CAST(type)
64 #define SOFT_CAST(type) (type)
68 # define BYTEORDER 0x1234
71 /* Overall memory policy? */
77 * The following contortions are brought to you on behalf of all the
78 * standards, semi-standards, de facto standards, not-so-de-facto standards
79 * of the world, as well as all the other botches anyone ever thought of.
80 * The basic theory is that if we work hard enough here, the rest of the
81 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
84 /* define this once if either system, instead of cluttering up the src */
85 #if defined(MSDOS) || defined(atarist)
89 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
93 #if defined(HASVOLATILE) || defined(STANDARD_C)
95 # define VOL // to temporarily suppress warnings
103 #define TAINT (tainted = TRUE)
104 #define TAINT_NOT (tainted = FALSE)
105 #define TAINT_IF(c) if (c) { tainted = TRUE; }
106 #define TAINT_ENV() if (tainting) { taint_env(); }
107 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
109 /* XXX All process group stuff is handled in pp_sys.c. Should these
110 defines move there? If so, I could simplify this a lot. --AD 9/96.
112 /* Process group stuff changed from traditional BSD to POSIX.
113 perlfunc.pod documents the traditional BSD-style syntax, so we'll
114 try to preserve that, if possible.
117 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
119 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
120 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
122 # ifdef HAS_SETPGRP2 /* DG/UX */
123 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
127 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
128 # define HAS_SETPGRP /* Well, effectively it does . . . */
131 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
132 our life easier :-) so we'll try it.
135 # define BSD_GETPGRP(pid) getpgid((pid))
137 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
138 # define BSD_GETPGRP(pid) getpgrp((pid))
140 # ifdef HAS_GETPGRP2 /* DG/UX */
141 # define BSD_GETPGRP(pid) getpgrp2((pid))
145 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
146 # define HAS_GETPGRP /* Well, effectively it does . . . */
149 /* These are not exact synonyms, since setpgrp() and getpgrp() may
150 have different behaviors, but perl.h used to define USE_BSDPGRP
151 (prior to 5.003_05) so some extension might depend on it.
153 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
159 #ifndef _TYPES_ /* If types.h defines this it's easy. */
160 # ifndef major /* Does everyone's types.h define this? */
161 # include <sys/types.h>
175 # include <varargs.h>
181 #ifdef USE_NEXT_CTYPE
183 #if NX_CURRENT_COMPILER_RELEASE >= 400
184 #include <objc/NXCType.h>
185 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
186 #include <appkit/NXCType.h>
187 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
189 #else /* !USE_NEXT_CTYPE */
191 #endif /* USE_NEXT_CTYPE */
197 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
204 # ifdef PARAM_NEEDS_TYPES
205 # include <sys/types.h>
207 # include <sys/param.h>
211 /* Use all the "standard" definitions? */
212 #if defined(STANDARD_C) && defined(I_STDLIB)
216 /* This comes after <stdlib.h> so we don't try to change the standard
217 * library prototypes; we'll use our own in proto.h instead. */
222 # define malloc Mymalloc
223 # define calloc Mycalloc
224 # define realloc Myremalloc
227 # ifdef EMBEDMYMALLOC
228 # define malloc Perl_malloc
229 # define calloc Perl_calloc
230 # define realloc Perl_realloc
231 # define free Perl_free
238 # define safemalloc malloc
239 # define safecalloc calloc
240 # define saferealloc realloc
241 # define safefree free
243 #endif /* MYMALLOC */
245 #define MEM_SIZE Size_t
247 #if defined(STANDARD_C) && defined(I_STDDEF)
249 # define OFFSETOF(s,m) offsetof(s,m)
251 # define OFFSETOF(s,m) (Size_t)(&(((s *)0)->m))
254 #if defined(I_STRING) || defined(__cplusplus)
257 # include <strings.h>
260 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
262 #define strrchr rindex
265 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
274 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
276 extern char * memcpy _((char*, char*, int));
282 # define memcpy(d,s,l) bcopy(s,d,l)
284 # define memcpy(d,s,l) my_bcopy(s,d,l)
287 #endif /* HAS_MEMCPY */
290 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
292 extern char *memset _((char*, int, int));
295 # define memzero(d,l) memset(d,0,l)
299 # define memzero(d,l) bzero(d,l)
301 # define memzero(d,l) my_bzero(d,l)
304 #endif /* HAS_MEMSET */
307 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
309 extern int memcmp _((char*, char*, int));
314 # define memcmp my_memcmp
316 #endif /* HAS_MEMCMP */
318 #if !defined(HAS_MEMMOVE) && !defined(memmove)
319 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
320 # define memmove(d,s,l) bcopy(s,d,l)
322 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
323 # define memmove(d,s,l) memcpy(d,s,l)
325 # define memmove(d,s,l) my_bcopy(s,d,l)
331 # include <netinet/in.h>
335 #include <sys/stat.h>
338 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
339 like UTekV) are broken, sometimes giving false positives. Undefine
340 them here and let the code below set them to proper values.
342 The ghs macro stands for GreenHills Software C-1.8.5 which
343 is the C compiler for sysV88 and the various derivatives.
344 This header file bug is corrected in gcc-2.5.8 and later versions.
345 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
347 #if defined(uts) || (defined(m88k) && defined(ghs))
361 # ifdef I_SYS_TIME_KERNEL
364 # include <sys/time.h>
365 # ifdef I_SYS_TIME_KERNEL
370 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
371 # include <sys/times.h>
374 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
380 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
382 #endif /* !HAS_MKFIFO */
387 # include <net/errno.h>
391 # define FIXSTATUS(sts) (U_L((sts) & 0xffff))
392 # define SHIFTSTATUS(sts) ((sts) >> 8)
393 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
395 # define FIXSTATUS(sts) (U_L(sts))
396 # define SHIFTSTATUS(sts) (sts)
397 # define SETERRNO(errcode,vmserrcode) STMT_START {set_errno(errcode); set_vaxc_errno(vmserrcode);} STMT_END
401 extern int errno; /* ANSI allows errno to be an lvalue expr */
406 char *strerror _((int,...));
408 char *strerror _((int));
411 # define Strerror strerror
414 # ifdef HAS_SYS_ERRLIST
416 extern char *sys_errlist[];
418 # define Strerror(e) \
419 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
426 # include <sys/ioctl.h>
430 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
431 # ifdef HAS_SOCKETPAIR
432 # undef HAS_SOCKETPAIR
447 /* Configure already sets Direntry_t */
448 #if defined(I_DIRENT)
450 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
451 # include <sys/dir.h>
455 # include <sys/ndir.h>
459 # include <ndir.h> /* may be wrong in the future */
461 # include <sys/dir.h>
468 /* work around botch in SunOS 4.0.1 and 4.0.2 */
470 # define fputs(sv,fp) fprintf(fp,"%s",sv)
475 * The following gobbledygook brought to you on behalf of __STDC__.
476 * (I could just use #ifndef __STDC__, but this is more bulletproof
477 * in the face of half-implementations.)
482 # define S_IFMT _S_IFMT
484 # define S_IFMT 0170000
489 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
493 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
498 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
500 # define S_ISBLK(m) (0)
505 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
510 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
512 # define S_ISFIFO(m) (0)
518 # define S_ISLNK(m) _S_ISLNK(m)
521 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
524 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
526 # define S_ISLNK(m) (0)
534 # define S_ISSOCK(m) _S_ISSOCK(m)
537 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
540 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
542 # define S_ISSOCK(m) (0)
550 # define S_IRUSR S_IREAD
551 # define S_IWUSR S_IWRITE
552 # define S_IXUSR S_IEXEC
554 # define S_IRUSR 0400
555 # define S_IWUSR 0200
556 # define S_IXUSR 0100
558 # define S_IRGRP (S_IRUSR>>3)
559 # define S_IWGRP (S_IWUSR>>3)
560 # define S_IXGRP (S_IXUSR>>3)
561 # define S_IROTH (S_IRUSR>>6)
562 # define S_IWOTH (S_IWUSR>>6)
563 # define S_IXOTH (S_IXUSR>>6)
567 # define S_ISUID 04000
571 # define S_ISGID 02000
578 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
579 # define SLOPPYDIVIDE
582 #if defined(cray) || defined(convex) || BYTEORDER > 0xffff
590 /* XXX QUAD stuff is not currently supported on most systems.
591 Specifically, perl internals don't support long long. Among
592 the many problems is that some compilers support long long,
593 but the underlying library functions (such as sprintf) don't.
594 Some things do work (such as quad pack/unpack on convex);
595 also some systems use long long for the fpos_t typedef. That
598 The IV type is supposed to be long enough to hold any integral
600 --Andy Dougherty August 1996
608 # define Quad_t long long
614 typedef unsigned Quad_t UV;
615 # define IV_MAX PERL_QUAD_MAX
616 # define IV_MIN PERL_QUAD_MIN
617 # define UV_MAX PERL_UQUAD_MAX
618 # define UV_MIN PERL_UQUAD_MIN
621 typedef unsigned long UV;
622 # define IV_MAX PERL_LONG_MAX
623 # define IV_MIN PERL_LONG_MIN
624 # define UV_MAX PERL_ULONG_MAX
625 # define UV_MIN PERL_ULONG_MIN
628 /* Previously these definitions used hardcoded figures.
629 * It is hoped these formula are more portable, although
630 * no data one way or another is presently known to me.
631 * The "PERL_" names are used because these calculated constants
632 * do not meet the ANSI requirements for LONG_MAX, etc., which
633 * need to be constants acceptable to #if - kja
634 * define PERL_LONG_MAX 2147483647L
635 * define PERL_LONG_MIN (-LONG_MAX - 1)
636 * define PERL ULONG_MAX 4294967295L
639 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
648 * Try to figure out max and min values for the integral types. THE CORRECT
649 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
650 * following hacks are used if neither limits.h or values.h provide them:
651 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
652 * for types < int: (unsigned TYPE)~(unsigned)0
653 * The argument to ~ must be unsigned so that later signed->unsigned
654 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
655 * and it must not be smaller than int because ~ does integral promotion.
656 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
657 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
658 * The latter is a hack which happens to work on some machines but
659 * does *not* catch any random system, or things like integer types
660 * with NaN if that is possible.
662 * All of the types are explicitly cast to prevent accidental loss of
663 * numeric range, and in the hope that they will be less likely to confuse
664 * over-eager optimizers.
668 #define PERL_UCHAR_MIN ((unsigned char)0)
671 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
674 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
676 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
681 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
682 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
683 * depending on local options. Until Configure detects this (or at least
684 * detects whether the "signed" keyword is available) the CHAR ranges
685 * will not be included. UCHAR functions normally.
689 #define PERL_USHORT_MIN ((unsigned short)0)
692 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
695 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
697 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
702 # define PERL_SHORT_MAX ((short)SHORT_MAX)
704 # ifdef MAXSHORT /* Often used in <values.h> */
705 # define PERL_SHORT_MAX ((short)MAXSHORT)
707 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
712 # define PERL_SHORT_MIN ((short)SHORT_MIN)
715 # define PERL_SHORT_MIN ((short)MINSHORT)
717 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
722 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
725 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
727 # define PERL_UINT_MAX (~(unsigned int)0)
731 #define PERL_UINT_MIN ((unsigned int)0)
734 # define PERL_INT_MAX ((int)INT_MAX)
736 # ifdef MAXINT /* Often used in <values.h> */
737 # define PERL_INT_MAX ((int)MAXINT)
739 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
744 # define PERL_INT_MIN ((int)INT_MIN)
747 # define PERL_INT_MIN ((int)MININT)
749 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
754 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
757 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
759 # define PERL_ULONG_MAX (~(unsigned long)0)
763 #define PERL_ULONG_MIN ((unsigned long)0L)
766 # define PERL_LONG_MAX ((long)LONG_MAX)
768 # ifdef MAXLONG /* Often used in <values.h> */
769 # define PERL_LONG_MAX ((long)MAXLONG)
771 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
776 # define PERL_LONG_MIN ((long)LONG_MIN)
779 # define PERL_LONG_MIN ((long)MINLONG)
781 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
788 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
790 # define PERL_UQUAD_MAX (~(UV)0)
793 # define PERL_UQUAD_MIN ((UV)0)
796 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
798 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
802 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
804 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
809 typedef MEM_SIZE STRLEN;
811 typedef struct op OP;
812 typedef struct cop COP;
813 typedef struct unop UNOP;
814 typedef struct binop BINOP;
815 typedef struct listop LISTOP;
816 typedef struct logop LOGOP;
817 typedef struct condop CONDOP;
818 typedef struct pmop PMOP;
819 typedef struct svop SVOP;
820 typedef struct gvop GVOP;
821 typedef struct pvop PVOP;
822 typedef struct loop LOOP;
824 typedef struct Outrec Outrec;
825 typedef struct interpreter PerlInterpreter;
826 typedef struct ff FF;
827 typedef struct sv SV;
828 typedef struct av AV;
829 typedef struct hv HV;
830 typedef struct cv CV;
831 typedef struct regexp REGEXP;
832 typedef struct gp GP;
833 typedef struct gv GV;
834 typedef struct io IO;
835 typedef struct context CONTEXT;
836 typedef struct block BLOCK;
838 typedef struct magic MAGIC;
839 typedef struct xrv XRV;
840 typedef struct xpv XPV;
841 typedef struct xpviv XPVIV;
842 typedef struct xpvuv XPVUV;
843 typedef struct xpvnv XPVNV;
844 typedef struct xpvmg XPVMG;
845 typedef struct xpvlv XPVLV;
846 typedef struct xpvav XPVAV;
847 typedef struct xpvhv XPVHV;
848 typedef struct xpvgv XPVGV;
849 typedef struct xpvcv XPVCV;
850 typedef struct xpvbm XPVBM;
851 typedef struct xpvfm XPVFM;
852 typedef struct xpvio XPVIO;
853 typedef struct mgvtbl MGVTBL;
854 typedef union any ANY;
858 typedef I32 (*filter_t) _((int, SV *, int));
859 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
860 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
861 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
874 # include "./plan9/plan9ish.h"
876 # include "unixish.h"
881 /* Some unistd.h's give a prototype for pause() even though
882 HAS_PAUSE ends up undefined. This causes the #define
883 below to be rejected by the compmiler. Sigh.
888 #define Pause() sleep((32767<<16)+32767)
893 /* on BSDish systes we're safe */
894 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
896 /* otherwise guess at what's safe */
897 # define IOCPARM_LEN(x) 256
906 void (*any_dptr) _((void*));
923 /* work around some libPW problems */
928 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
932 #if defined(htonl) && !defined(HAS_HTONL)
935 #if defined(htons) && !defined(HAS_HTONS)
938 #if defined(ntohl) && !defined(HAS_NTOHL)
941 #if defined(ntohs) && !defined(HAS_NTOHS)
945 #if (BYTEORDER & 0xffff) != 0x4321
951 #define htons my_swap
952 #define htonl my_htonl
953 #define ntohs my_swap
954 #define ntohl my_ntohl
957 #if (BYTEORDER & 0xffff) == 0x4321
966 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
969 #if BYTEORDER != 0x1234
974 # if BYTEORDER == 0x4321
975 # define vtohl(x) ((((x)&0xFF)<<24) \
977 +(((x)&0x0000FF00)<<8) \
978 +(((x)&0x00FF0000)>>8) )
979 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
980 # define htovl(x) vtohl(x)
981 # define htovs(x) vtohs(x)
983 /* otherwise default to functions in util.c */
987 #define U_S(what) ((U16)(what))
988 #define U_I(what) ((unsigned int)(what))
989 #define U_L(what) ((U32)(what))
994 U32 cast_ulong _((double));
998 #define U_S(what) ((U16)cast_ulong((double)(what)))
999 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1000 #define U_L(what) (cast_ulong((double)(what)))
1004 #define I_32(what) ((I32)(what))
1005 #define I_V(what) ((IV)(what))
1006 #define U_V(what) ((UV)(what))
1011 I32 cast_i32 _((double));
1012 IV cast_iv _((double));
1013 UV cast_uv _((double));
1017 #define I_32(what) (cast_i32((double)(what)))
1018 #define I_V(what) (cast_iv((double)(what)))
1019 #define U_V(what) (cast_uv((double)(what)))
1033 # define TMPPATH "/tmp/perl-eXXXXXX"
1037 Uid_t getuid _((void));
1038 Uid_t geteuid _((void));
1039 Gid_t getgid _((void));
1040 Gid_t getegid _((void));
1044 #ifndef Perl_debug_log
1045 #define Perl_debug_log PerlIO_stderr()
1049 #define DEBUG(a) if (debug) a
1050 #define DEBUG_p(a) if (debug & 1) a
1051 #define DEBUG_s(a) if (debug & 2) a
1052 #define DEBUG_l(a) if (debug & 4) a
1053 #define DEBUG_t(a) if (debug & 8) a
1054 #define DEBUG_o(a) if (debug & 16) a
1055 #define DEBUG_c(a) if (debug & 32) a
1056 #define DEBUG_P(a) if (debug & 64) a
1057 #define DEBUG_m(a) if (curinterp && debug & 128) a
1058 #define DEBUG_f(a) if (debug & 256) a
1059 #define DEBUG_r(a) if (debug & 512) a
1060 #define DEBUG_x(a) if (debug & 1024) a
1061 #define DEBUG_u(a) if (debug & 2048) a
1062 #define DEBUG_L(a) if (debug & 4096) a
1063 #define DEBUG_H(a) if (debug & 8192) a
1064 #define DEBUG_X(a) if (debug & 16384) a
1065 #define DEBUG_D(a) if (debug & 32768) a
1086 #define YYMAXDEPTH 300
1088 #ifndef assert /* <assert.h> might have been included somehow */
1089 #define assert(what) DEB( { \
1091 croak("Assertion failed: file \"%s\", line %d", \
1092 __FILE__, __LINE__); \
1098 I32 (*uf_val)_((IV, SV*));
1099 I32 (*uf_set)_((IV, SV*));
1103 /* Fix these up for __STDC__ */
1105 char *mktemp _((char*));
1106 double atof _((const char*));
1110 /* All of these are in stdlib.h or time.h for ANSI C */
1112 struct tm *gmtime(), *localtime();
1113 char *strchr(), *strrchr();
1114 char *strcpy(), *strcat();
1115 #endif /* ! STANDARD_C */
1124 double exp _((double));
1125 double log _((double));
1126 double sqrt _((double));
1127 double modf _((double,double*));
1128 double sin _((double));
1129 double cos _((double));
1130 double atan2 _((double,double));
1131 double pow _((double,double));
1138 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1139 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1141 char *crypt _((const char*, const char*));
1143 char *getenv _((const char*));
1144 Off_t lseek _((int,Off_t,int));
1145 char *getlogin _((void));
1148 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1149 #define UNLINK unlnk
1150 I32 unlnk _((char*));
1152 #define UNLINK unlink
1155 #ifndef HAS_SETREUID
1156 # ifdef HAS_SETRESUID
1157 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1158 # define HAS_SETREUID
1161 #ifndef HAS_SETREGID
1162 # ifdef HAS_SETRESGID
1163 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1164 # define HAS_SETREGID
1168 typedef Signal_t (*Sighandler_t) _((int));
1170 #ifdef HAS_SIGACTION
1171 typedef struct sigaction Sigsave_t;
1173 typedef Sighandler_t Sigsave_t;
1185 # ifndef DEBUGGING_MSTATS
1186 # define DEBUGGING_MSTATS
1189 # define PAD_SV(po) pad_sv(po)
1191 # define PAD_SV(po) curpad[po]
1199 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1200 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1201 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1202 extern char ** environ; /* environment variables supplied via exec */
1204 # if defined(NeXT) && defined(__DYNAMIC__)
1206 # include <mach-o/dyld.h>
1207 EXT char *** environ_pointer;
1208 # define environ (*environ_pointer)
1210 #endif /* environ processing */
1212 EXT int uid; /* current real user id */
1213 EXT int euid; /* current effective user id */
1214 EXT int gid; /* current real group id */
1215 EXT int egid; /* current effective group id */
1216 EXT bool nomemok; /* let malloc context handle nomem */
1217 EXT U32 an; /* malloc sequence number */
1218 EXT U32 cop_seqmax; /* statement sequence number */
1219 EXT U16 op_seqmax; /* op sequence number */
1220 EXT U32 evalseq; /* eval sequence number */
1221 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1222 EXT char ** origenviron;
1224 EXT U32 * profiledata;
1225 EXT int maxo INIT(MAXO);/* Number of ops */
1226 EXT char * osname; /* operating system */
1227 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1229 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1230 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1231 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1232 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1233 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1234 EXT HE * he_root; /* free he list--shared by interpreters */
1235 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1236 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1238 /* Stack for currently executing thread--context switch must handle this. */
1239 EXT SV ** stack_base; /* stack->array_ary */
1240 EXT SV ** stack_sp; /* stack pointer now */
1241 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1243 /* likewise for these */
1245 EXT OP * op; /* current op--oughta be in a global register */
1247 EXT I32 * scopestack; /* blocks we've entered */
1248 EXT I32 scopestack_ix;
1249 EXT I32 scopestack_max;
1251 EXT ANY* savestack; /* to save non-local values on */
1252 EXT I32 savestack_ix;
1253 EXT I32 savestack_max;
1255 EXT OP ** retstack; /* returns we've pushed */
1256 EXT I32 retstack_ix;
1257 EXT I32 retstack_max;
1259 EXT I32 * markstack; /* stackmarks we're remembering */
1260 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1261 EXT I32 * markstack_max; /* stackmarks we're remembering */
1269 EXT char buf[2048]; /* should be longer than PATH_MAX */
1270 EXT char tokenbuf[256];
1271 EXT struct stat statbuf;
1273 EXT struct tms timesbuf;
1275 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1277 /* for tmp use in stupid debuggers */
1282 /* handy constants */
1283 EXT char * Yes INIT("1");
1284 EXT char * No INIT("");
1285 EXT char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1286 EXT char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1287 EXT char * vert INIT("|");
1289 EXT char warn_uninit[]
1290 INIT("Use of uninitialized value");
1291 EXT char warn_nosemi[]
1292 INIT("Semicolon seems to be missing");
1293 EXT char warn_reserved[]
1294 INIT("Unquoted string \"%s\" may clash with future reserved word");
1296 INIT("Unsuccessful %s on filename containing newline");
1297 EXT char no_wrongref[]
1298 INIT("Can't use %s ref as %s ref");
1299 EXT char no_symref[]
1300 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1302 INIT("Can't use an undefined value as %s reference");
1304 INIT("Modification of non-creatable array value attempted, subscript %d");
1306 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1307 EXT char no_modify[]
1308 INIT("Modification of a read-only value attempted");
1310 INIT("Out of memory!\n");
1311 EXT char no_security[]
1312 INIT("Insecure dependency in %s%s");
1313 EXT char no_sock_func[]
1314 INIT("Unsupported socket function \"%s\" called");
1315 EXT char no_dir_func[]
1316 INIT("Unsupported directory function \"%s\" called");
1318 INIT("The %s function is unimplemented");
1319 EXT char no_myglob[]
1320 INIT("\"my\" variable %s can't be in a package");
1326 EXT char * cshname INIT(CSH);
1331 EXT char *sig_name[] = { SIG_NAME };
1332 EXT int sig_num[] = { SIG_NUM };
1333 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1334 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1336 EXT char *sig_name[];
1338 EXT SV * psig_ptr[];
1339 EXT SV * psig_name[];
1342 /* fast case folding tables */
1345 EXT const unsigned char fold[] = {
1346 0, 1, 2, 3, 4, 5, 6, 7,
1347 8, 9, 10, 11, 12, 13, 14, 15,
1348 16, 17, 18, 19, 20, 21, 22, 23,
1349 24, 25, 26, 27, 28, 29, 30, 31,
1350 32, 33, 34, 35, 36, 37, 38, 39,
1351 40, 41, 42, 43, 44, 45, 46, 47,
1352 48, 49, 50, 51, 52, 53, 54, 55,
1353 56, 57, 58, 59, 60, 61, 62, 63,
1354 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1355 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1356 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1357 'x', 'y', 'z', 91, 92, 93, 94, 95,
1358 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1359 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1360 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1361 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1362 128, 129, 130, 131, 132, 133, 134, 135,
1363 136, 137, 138, 139, 140, 141, 142, 143,
1364 144, 145, 146, 147, 148, 149, 150, 151,
1365 152, 153, 154, 155, 156, 157, 158, 159,
1366 160, 161, 162, 163, 164, 165, 166, 167,
1367 168, 169, 170, 171, 172, 173, 174, 175,
1368 176, 177, 178, 179, 180, 181, 182, 183,
1369 184, 185, 186, 187, 188, 189, 190, 191,
1370 192, 193, 194, 195, 196, 197, 198, 199,
1371 200, 201, 202, 203, 204, 205, 206, 207,
1372 208, 209, 210, 211, 212, 213, 214, 215,
1373 216, 217, 218, 219, 220, 221, 222, 223,
1374 224, 225, 226, 227, 228, 229, 230, 231,
1375 232, 233, 234, 235, 236, 237, 238, 239,
1376 240, 241, 242, 243, 244, 245, 246, 247,
1377 248, 249, 250, 251, 252, 253, 254, 255
1380 EXT unsigned char fold[];
1384 EXT unsigned char fold_locale[] = {
1385 0, 1, 2, 3, 4, 5, 6, 7,
1386 8, 9, 10, 11, 12, 13, 14, 15,
1387 16, 17, 18, 19, 20, 21, 22, 23,
1388 24, 25, 26, 27, 28, 29, 30, 31,
1389 32, 33, 34, 35, 36, 37, 38, 39,
1390 40, 41, 42, 43, 44, 45, 46, 47,
1391 48, 49, 50, 51, 52, 53, 54, 55,
1392 56, 57, 58, 59, 60, 61, 62, 63,
1393 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1394 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1395 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1396 'x', 'y', 'z', 91, 92, 93, 94, 95,
1397 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1398 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1399 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1400 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1401 128, 129, 130, 131, 132, 133, 134, 135,
1402 136, 137, 138, 139, 140, 141, 142, 143,
1403 144, 145, 146, 147, 148, 149, 150, 151,
1404 152, 153, 154, 155, 156, 157, 158, 159,
1405 160, 161, 162, 163, 164, 165, 166, 167,
1406 168, 169, 170, 171, 172, 173, 174, 175,
1407 176, 177, 178, 179, 180, 181, 182, 183,
1408 184, 185, 186, 187, 188, 189, 190, 191,
1409 192, 193, 194, 195, 196, 197, 198, 199,
1410 200, 201, 202, 203, 204, 205, 206, 207,
1411 208, 209, 210, 211, 212, 213, 214, 215,
1412 216, 217, 218, 219, 220, 221, 222, 223,
1413 224, 225, 226, 227, 228, 229, 230, 231,
1414 232, 233, 234, 235, 236, 237, 238, 239,
1415 240, 241, 242, 243, 244, 245, 246, 247,
1416 248, 249, 250, 251, 252, 253, 254, 255
1419 EXT unsigned char fold_locale[];
1423 EXT unsigned char freq[] = { /* letter frequencies for mixed English/C */
1424 1, 2, 84, 151, 154, 155, 156, 157,
1425 165, 246, 250, 3, 158, 7, 18, 29,
1426 40, 51, 62, 73, 85, 96, 107, 118,
1427 129, 140, 147, 148, 149, 150, 152, 153,
1428 255, 182, 224, 205, 174, 176, 180, 217,
1429 233, 232, 236, 187, 235, 228, 234, 226,
1430 222, 219, 211, 195, 188, 193, 185, 184,
1431 191, 183, 201, 229, 181, 220, 194, 162,
1432 163, 208, 186, 202, 200, 218, 198, 179,
1433 178, 214, 166, 170, 207, 199, 209, 206,
1434 204, 160, 212, 216, 215, 192, 175, 173,
1435 243, 172, 161, 190, 203, 189, 164, 230,
1436 167, 248, 227, 244, 242, 255, 241, 231,
1437 240, 253, 169, 210, 245, 237, 249, 247,
1438 239, 168, 252, 251, 254, 238, 223, 221,
1439 213, 225, 177, 197, 171, 196, 159, 4,
1440 5, 6, 8, 9, 10, 11, 12, 13,
1441 14, 15, 16, 17, 19, 20, 21, 22,
1442 23, 24, 25, 26, 27, 28, 30, 31,
1443 32, 33, 34, 35, 36, 37, 38, 39,
1444 41, 42, 43, 44, 45, 46, 47, 48,
1445 49, 50, 52, 53, 54, 55, 56, 57,
1446 58, 59, 60, 61, 63, 64, 65, 66,
1447 67, 68, 69, 70, 71, 72, 74, 75,
1448 76, 77, 78, 79, 80, 81, 82, 83,
1449 86, 87, 88, 89, 90, 91, 92, 93,
1450 94, 95, 97, 98, 99, 100, 101, 102,
1451 103, 104, 105, 106, 108, 109, 110, 111,
1452 112, 113, 114, 115, 116, 117, 119, 120,
1453 121, 122, 123, 124, 125, 126, 127, 128,
1454 130, 131, 132, 133, 134, 135, 136, 137,
1455 138, 139, 141, 142, 143, 144, 145, 146
1458 EXT unsigned char freq[];
1463 EXT char* block_type[] = {
1472 EXT char* block_type[];
1476 /*****************************************************************************/
1477 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1478 /*****************************************************************************/
1479 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1492 EXT U32 lex_state; /* next token is determined */
1493 EXT U32 lex_defer; /* state after determined token */
1494 EXT expectation lex_expect; /* expect after determined token */
1495 EXT I32 lex_brackets; /* bracket count */
1496 EXT I32 lex_formbrack; /* bracket count at outer format level */
1497 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1498 EXT I32 lex_casemods; /* casemod count */
1499 EXT I32 lex_dojoin; /* doing an array interpolation */
1500 EXT I32 lex_starts; /* how many interps done on level */
1501 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1502 EXT SV * lex_repl; /* runtime replacement from s/// */
1503 EXT OP * lex_op; /* extra info to pass back on op */
1504 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1505 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1506 EXT char * lex_brackstack; /* what kind of brackets to pop */
1507 EXT char * lex_casestack; /* what kind of case mods in effect */
1509 /* What we know when we're in LEX_KNOWNEXT state. */
1510 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1511 EXT I32 nexttype[5]; /* type of next token */
1514 EXT PerlIO * VOL rsfp INIT(Nullfp);
1517 EXT char * oldbufptr;
1518 EXT char * oldoldbufptr;
1520 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1521 EXT AV * rsfp_filters;
1523 EXT I32 multi_start; /* 1st line of multi-line string */
1524 EXT I32 multi_end; /* last line of multi-line string */
1525 EXT I32 multi_open; /* delimiter of said string */
1526 EXT I32 multi_close; /* delimiter of said string */
1529 EXT I32 error_count; /* how many errors so far, max 10 */
1530 EXT I32 subline; /* line this subroutine began on */
1531 EXT SV * subname; /* name of current subroutine */
1533 EXT CV * compcv; /* currently compiling subroutine */
1534 EXT AV * comppad; /* storage for lexically scoped temporaries */
1535 EXT AV * comppad_name; /* variable names for "my" variables */
1536 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1537 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1538 EXT I32 min_intro_pending;/* start of vars to introduce */
1539 EXT I32 max_intro_pending;/* end of vars to introduce */
1540 EXT I32 padix; /* max used index in current "register" pad */
1541 EXT I32 padix_floor; /* how low may inner block reset padix */
1542 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1545 EXT I32 thisexpr; /* name id for nothing_in_common() */
1546 EXT char * last_uni; /* position of last named-unary operator */
1547 EXT char * last_lop; /* position of last list operator */
1548 EXT OPCODE last_lop_op; /* last list operator */
1549 EXT bool in_my; /* we're compiling a "my" declaration */
1551 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1554 EXT U32 hints; /* various compilation flags */
1556 /* Note: the lowest 8 bits are reserved for
1557 stuffing into op->op_private */
1558 #define HINT_INTEGER 0x00000001
1559 #define HINT_STRICT_REFS 0x00000002
1561 #define HINT_BLOCK_SCOPE 0x00000100
1562 #define HINT_STRICT_SUBS 0x00000200
1563 #define HINT_STRICT_VARS 0x00000400
1564 #define HINT_LOCALE 0x00000800
1566 /**************************************************************************/
1567 /* This regexp stuff is global since it always happens within 1 expr eval */
1568 /**************************************************************************/
1570 EXT char * regprecomp; /* uncompiled string. */
1571 EXT char * regparse; /* Input-scan pointer. */
1572 EXT char * regxend; /* End of input for compile */
1573 EXT I32 regnpar; /* () count. */
1574 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1575 EXT I32 regsize; /* Code size. */
1576 EXT I32 regnaughty; /* How bad is this pattern? */
1577 EXT I32 regsawback; /* Did we see \1, ...? */
1579 EXT char * reginput; /* String-input pointer. */
1580 EXT char * regbol; /* Beginning of input, for ^ check. */
1581 EXT char * regeol; /* End of input, for $ check. */
1582 EXT char ** regstartp; /* Pointer to startp array. */
1583 EXT char ** regendp; /* Ditto for endp. */
1584 EXT U32 * reglastparen; /* Similarly for lastparen. */
1585 EXT char * regtill; /* How far we are required to go. */
1586 EXT U16 regflags; /* are we folding, multilining? */
1587 EXT char regprev; /* char before regbol, \n if none */
1589 EXT bool do_undump; /* -u or dump seen? */
1592 /***********************************************/
1593 /* Global only to current interpreter instance */
1594 /***********************************************/
1599 struct interpreter {
1602 #define IINIT(x) INIT(x)
1605 /* pseudo environmental stuff */
1607 IEXT char ** Iorigargv;
1611 IEXT char * Iorigfilename;
1613 IEXT SV * Iwarnhook;
1614 IEXT SV * Iparsehook;
1616 /* Various states of an input record separator SV (rs, nrs) */
1617 #define RsSNARF(sv) (! SvOK(sv))
1618 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1619 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1624 IEXT char Ipatchlevel[10];
1625 IEXT char ** Ilocalpatches;
1627 IEXT char * Isplitstr IINIT(" ");
1628 IEXT bool Ipreprocess;
1634 IEXT bool Idoswitches;
1636 IEXT bool Idoextract;
1637 IEXT bool Isawampersand; /* must save all match strings */
1638 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1641 IEXT char * Iinplace;
1642 IEXT char * Ie_tmpname;
1643 IEXT PerlIO * Ie_fp;
1645 /* This value may be raised by extensions for testing purposes */
1646 IEXT int Iperl_destruct_level; /* 0=none, 1=full, 2=full with checks */
1648 /* magical thingies */
1649 IEXT Time_t Ibasetime; /* $^T */
1650 IEXT SV * Iformfeed; /* $^L */
1651 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1652 IEXT SV * Irs; /* $/ */
1653 IEXT char * Iofs; /* $, */
1654 IEXT STRLEN Iofslen;
1655 IEXT char * Iors; /* $\ */
1656 IEXT STRLEN Iorslen;
1657 IEXT char * Iofmt; /* $# */
1658 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1659 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1660 IEXT U32 Istatusvalue; /* $? */
1662 IEXT struct stat Istatcache; /* _ */
1664 IEXT SV * Istatname IINIT(Nullsv);
1666 /* shortcuts to various I/O objects */
1668 IEXT GV * Ilast_in_gv;
1671 IEXT GV * Idefoutgv;
1672 IEXT GV * Iargvoutgv;
1674 /* shortcuts to regexp stuff */
1678 IEXT PMOP * Icurpm; /* what to do \ interps from */
1679 IEXT I32 * Iscreamfirst;
1680 IEXT I32 * Iscreamnext;
1681 IEXT I32 Imaxscream IINIT(-1);
1682 IEXT SV * Ilastscream;
1684 /* shortcuts to misc objects */
1687 /* shortcuts to debugging objects */
1691 IEXT SV * IDBsingle;
1693 IEXT SV * IDBsignal;
1694 IEXT AV * Ilineary; /* lines of script for debugger */
1695 IEXT AV * Idbargs; /* args to call listed by caller function */
1698 IEXT HV * Idefstash; /* main symbol table */
1699 IEXT HV * Icurstash; /* symbol table for current package */
1700 IEXT HV * Idebstash; /* symbol table for perldb package */
1701 IEXT SV * Icurstname; /* name of current package */
1702 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1703 IEXT AV * Iendav; /* names of END subroutines */
1704 IEXT HV * Istrtab; /* shared string table */
1706 /* memory management */
1707 IEXT SV ** Itmps_stack;
1708 IEXT I32 Itmps_ix IINIT(-1);
1709 IEXT I32 Itmps_floor IINIT(-1);
1711 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1712 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1713 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1714 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1716 /* funky return mechanisms */
1717 IEXT I32 Ilastspbase;
1719 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1721 /* subprocess state */
1722 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1723 IEXT HV * Ipidstatus; /* keep pid-to-status mappings for waitpid */
1725 /* internal state */
1726 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1727 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1728 IEXT int Idelaymagic; /* ($<,$>) = ... */
1729 IEXT bool Idirty; /* In the middle of tearing things down? */
1730 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1731 IEXT bool Itainted; /* using variables controlled by $< */
1732 IEXT bool Itainting; /* doing taint checks */
1733 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1737 IEXT I32 Idlmax IINIT(128);
1738 IEXT char * Idebname;
1739 IEXT char * Idebdelim;
1741 /* current interpreter roots */
1743 IEXT OP * Imain_root;
1744 IEXT OP * Imain_start;
1745 IEXT OP * Ieval_root;
1746 IEXT OP * Ieval_start;
1748 /* runtime control stuff */
1749 IEXT COP * VOL Icurcop IINIT(&compiling);
1750 IEXT COP * Icurcopdb IINIT(NULL);
1751 IEXT line_t Icopline IINIT(NOLINE);
1752 IEXT CONTEXT * Icxstack;
1753 IEXT I32 Icxstack_ix IINIT(-1);
1754 IEXT I32 Icxstack_max IINIT(128);
1755 IEXT Sigjmp_buf Itop_env;
1759 IEXT AV * Icurstack; /* THE STACK */
1760 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1761 IEXT SV ** Imystack_base; /* stack->array_ary */
1762 IEXT SV ** Imystack_sp; /* stack pointer now */
1763 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1765 /* format accumulators */
1766 IEXT SV * Iformtarget;
1767 IEXT SV * Ibodytarget;
1768 IEXT SV * Itoptarget;
1770 /* statics moved here for shared library purposes */
1771 IEXT SV Istrchop; /* return value from chop */
1772 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1773 IEXT int Ilastfd; /* what to preserve mode on */
1774 IEXT char * Ioldname; /* what to preserve mode on */
1775 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1776 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1777 IEXT OP * Isortcop; /* user defined sort routine */
1778 IEXT HV * Isortstash; /* which is in some package or other */
1779 IEXT GV * Ifirstgv; /* $a */
1780 IEXT GV * Isecondgv; /* $b */
1781 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1782 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1783 IEXT SV * Imystrk; /* temp key string for do_each() */
1784 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1785 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1786 IEXT I32 Igensym; /* next symbol for getsym() to define */
1787 IEXT bool Ipreambled;
1788 IEXT AV * Ipreambleav;
1789 IEXT int Ilaststatval IINIT(-1);
1790 IEXT I32 Ilaststype IINIT(OP_STAT);
1798 struct interpreter {
1812 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1813 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1815 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1816 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1823 /* The following must follow proto.h */
1827 EXT MGVTBL vtbl_sv = {magic_get,
1831 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1832 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1835 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1836 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1840 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1842 EXT MGVTBL vtbl_packelem = {magic_getpack,
1846 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1848 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1850 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1852 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1855 EXT MGVTBL vtbl_glob = {magic_getglob,
1858 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1860 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1862 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1864 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1866 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1868 EXT MGVTBL vtbl_pos = {magic_getpos,
1871 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1873 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1875 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1880 EXT MGVTBL vtbl_collxfrm = {0,
1886 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1887 0, 0, magic_setamagic};
1888 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1889 0, 0, magic_setamagic};
1890 #endif /* OVERLOAD */
1895 EXT MGVTBL vtbl_env;
1896 EXT MGVTBL vtbl_envelem;
1897 EXT MGVTBL vtbl_sig;
1898 EXT MGVTBL vtbl_sigelem;
1899 EXT MGVTBL vtbl_pack;
1900 EXT MGVTBL vtbl_packelem;
1901 EXT MGVTBL vtbl_dbline;
1902 EXT MGVTBL vtbl_isa;
1903 EXT MGVTBL vtbl_isaelem;
1904 EXT MGVTBL vtbl_arylen;
1905 EXT MGVTBL vtbl_glob;
1906 EXT MGVTBL vtbl_mglob;
1907 EXT MGVTBL vtbl_nkeys;
1908 EXT MGVTBL vtbl_taint;
1909 EXT MGVTBL vtbl_substr;
1910 EXT MGVTBL vtbl_vec;
1911 EXT MGVTBL vtbl_pos;
1914 EXT MGVTBL vtbl_uvar;
1917 EXT MGVTBL vtbl_collxfrm;
1921 EXT MGVTBL vtbl_amagic;
1922 EXT MGVTBL vtbl_amagicelem;
1923 #endif /* OVERLOAD */
1925 #endif /* !DOINIT */
1928 EXT long amagic_generation;
1930 #define NofAMmeth 29
1932 EXT char * AMG_names[NofAMmeth][2] = {
1934 {"bool", "nomethod"},
1964 EXT char * AMG_names[NofAMmeth][2];
1965 #endif /* def INITAMAGIC */
1970 CV* table[NofAMmeth*2];
1973 typedef struct am_table AMT;
1975 #define AMGfallNEVER 1
1977 #define AMGfallYES 3
1980 fallback_amg, abs_amg,
1981 bool__amg, nomethod_amg,
1982 string_amg, numer_amg,
1983 add_amg, add_ass_amg,
1984 subtr_amg, subtr_ass_amg,
1985 mult_amg, mult_ass_amg,
1986 div_amg, div_ass_amg,
1987 mod_amg, mod_ass_amg,
1988 pow_amg, pow_ass_amg,
1989 lshift_amg, lshift_ass_amg,
1990 rshift_amg, rshift_ass_amg,
1991 band_amg, band_ass_amg,
1992 bor_amg, bor_ass_amg,
1993 bxor_amg, bxor_ass_amg,
2006 repeat_amg, repeat_ass_amg,
2007 concat_amg, concat_ass_amg,
2010 #endif /* OVERLOAD */
2013 EXT U32 collation_ix; /* Collation generation index */
2014 EXT char * collation_name; /* Name of current collation */
2015 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2016 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2017 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2018 #endif /* LC_COLLATE */
2022 EXT char * numeric_name; /* Name of current numeric locale */
2023 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2024 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2026 #define NUMERIC_STANDARD() \
2027 STMT_START { if (! numeric_standard) perl_numeric_standard(); } STMT_END
2028 #define NUMERIC_LOCAL() \
2029 STMT_START { if (! numeric_local) perl_numeric_local(); } STMT_END
2031 #else /* !LC_NUMERIC */
2033 #define NUMERIC_STANDARD() /**/
2034 #define NUMERIC_LOCAL() /**/
2036 #endif /* !LC_NUMERIC */
2038 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2040 * Now we have __attribute__ out of the way
2043 #define printf PerlIO_stdoutf
2046 #endif /* Include guard */