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)
214 #endif /* STANDARD_C */
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(I_STRING) || defined(__cplusplus)
250 # include <strings.h>
253 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
255 #define strrchr rindex
258 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
267 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
269 extern char * memcpy _((char*, char*, int));
275 # define memcpy(d,s,l) bcopy(s,d,l)
277 # define memcpy(d,s,l) my_bcopy(s,d,l)
280 #endif /* HAS_MEMCPY */
283 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
285 extern char *memset _((char*, int, int));
288 # define memzero(d,l) memset(d,0,l)
292 # define memzero(d,l) bzero(d,l)
294 # define memzero(d,l) my_bzero(d,l)
297 #endif /* HAS_MEMSET */
300 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
302 extern int memcmp _((char*, char*, int));
307 # define memcmp my_memcmp
309 #endif /* HAS_MEMCMP */
311 #if !defined(HAS_MEMMOVE) && !defined(memmove)
312 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
313 # define memmove(d,s,l) bcopy(s,d,l)
315 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
316 # define memmove(d,s,l) memcpy(d,s,l)
318 # define memmove(d,s,l) my_bcopy(s,d,l)
324 # include <netinet/in.h>
328 #include <sys/stat.h>
331 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
332 like UTekV) are broken, sometimes giving false positives. Undefine
333 them here and let the code below set them to proper values.
335 The ghs macro stands for GreenHills Software C-1.8.5 which
336 is the C compiler for sysV88 and the various derivatives.
337 This header file bug is corrected in gcc-2.5.8 and later versions.
338 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
340 #if defined(uts) || (defined(m88k) && defined(ghs))
354 # ifdef I_SYS_TIME_KERNEL
357 # include <sys/time.h>
358 # ifdef I_SYS_TIME_KERNEL
363 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
364 # include <sys/times.h>
367 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
373 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
375 #endif /* !HAS_MKFIFO */
380 # include <net/errno.h>
384 # define FIXSTATUS(sts) (U_L((sts) & 0xffff))
385 # define SHIFTSTATUS(sts) ((sts) >> 8)
386 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
388 # define FIXSTATUS(sts) (U_L(sts))
389 # define SHIFTSTATUS(sts) (sts)
390 # define SETERRNO(errcode,vmserrcode) STMT_START {set_errno(errcode); set_vaxc_errno(vmserrcode);} STMT_END
394 extern int errno; /* ANSI allows errno to be an lvalue expr */
399 char *strerror _((int,...));
401 char *strerror _((int));
404 # define Strerror strerror
407 # ifdef HAS_SYS_ERRLIST
409 extern char *sys_errlist[];
411 # define Strerror(e) \
412 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
419 # include <sys/ioctl.h>
423 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
424 # ifdef HAS_SOCKETPAIR
425 # undef HAS_SOCKETPAIR
440 /* Configure already sets Direntry_t */
441 #if defined(I_DIRENT)
443 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
444 # include <sys/dir.h>
448 # include <sys/ndir.h>
452 # include <ndir.h> /* may be wrong in the future */
454 # include <sys/dir.h>
461 /* work around botch in SunOS 4.0.1 and 4.0.2 */
463 # define fputs(sv,fp) fprintf(fp,"%s",sv)
468 * The following gobbledygook brought to you on behalf of __STDC__.
469 * (I could just use #ifndef __STDC__, but this is more bulletproof
470 * in the face of half-implementations.)
475 # define S_IFMT _S_IFMT
477 # define S_IFMT 0170000
482 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
486 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
491 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
493 # define S_ISBLK(m) (0)
498 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
503 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
505 # define S_ISFIFO(m) (0)
511 # define S_ISLNK(m) _S_ISLNK(m)
514 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
517 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
519 # define S_ISLNK(m) (0)
527 # define S_ISSOCK(m) _S_ISSOCK(m)
530 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
533 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
535 # define S_ISSOCK(m) (0)
543 # define S_IRUSR S_IREAD
544 # define S_IWUSR S_IWRITE
545 # define S_IXUSR S_IEXEC
547 # define S_IRUSR 0400
548 # define S_IWUSR 0200
549 # define S_IXUSR 0100
551 # define S_IRGRP (S_IRUSR>>3)
552 # define S_IWGRP (S_IWUSR>>3)
553 # define S_IXGRP (S_IXUSR>>3)
554 # define S_IROTH (S_IRUSR>>6)
555 # define S_IWOTH (S_IWUSR>>6)
556 # define S_IXOTH (S_IXUSR>>6)
560 # define S_ISUID 04000
564 # define S_ISGID 02000
571 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
572 # define SLOPPYDIVIDE
575 #if defined(cray) || defined(convex) || BYTEORDER > 0xffff
583 /* XXX QUAD stuff is not currently supported on most systems.
584 Specifically, perl internals don't support long long. Among
585 the many problems is that some compilers support long long,
586 but the underlying library functions (such as sprintf) don't.
587 Some things do work (such as quad pack/unpack on convex);
588 also some systems use long long for the fpos_t typedef. That
591 The IV type is supposed to be long enough to hold any integral
593 --Andy Dougherty August 1996
601 # define Quad_t long long
607 typedef unsigned Quad_t UV;
608 # define IV_MAX PERL_QUAD_MAX
609 # define IV_MIN PERL_QUAD_MIN
610 # define UV_MAX PERL_UQUAD_MAX
611 # define UV_MIN PERL_UQUAD_MIN
614 typedef unsigned long UV;
615 # define IV_MAX PERL_LONG_MAX
616 # define IV_MIN PERL_LONG_MIN
617 # define UV_MAX PERL_ULONG_MAX
618 # define UV_MIN PERL_ULONG_MIN
621 /* Previously these definitions used hardcoded figures.
622 * It is hoped these formula are more portable, although
623 * no data one way or another is presently known to me.
624 * The "PERL_" names are used because these calculated constants
625 * do not meet the ANSI requirements for LONG_MAX, etc., which
626 * need to be constants acceptable to #if - kja
627 * define PERL_LONG_MAX 2147483647L
628 * define PERL_LONG_MIN (-LONG_MAX - 1)
629 * define PERL ULONG_MAX 4294967295L
632 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
641 * Try to figure out max and min values for the integral types. THE CORRECT
642 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
643 * following hacks are used if neither limits.h or values.h provide them:
644 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
645 * for types < int: (unsigned TYPE)~(unsigned)0
646 * The argument to ~ must be unsigned so that later signed->unsigned
647 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
648 * and it must not be smaller than int because ~ does integral promotion.
649 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
650 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
651 * The latter is a hack which happens to work on some machines but
652 * does *not* catch any random system, or things like integer types
653 * with NaN if that is possible.
655 * All of the types are explicitly cast to prevent accidental loss of
656 * numeric range, and in the hope that they will be less likely to confuse
657 * over-eager optimizers.
661 #define PERL_UCHAR_MIN ((unsigned char)0)
664 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
667 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
669 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
674 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
675 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
676 * depending on local options. Until Configure detects this (or at least
677 * detects whether the "signed" keyword is available) the CHAR ranges
678 * will not be included. UCHAR functions normally.
682 #define PERL_USHORT_MIN ((unsigned short)0)
685 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
688 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
690 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
695 # define PERL_SHORT_MAX ((short)SHORT_MAX)
697 # ifdef MAXSHORT /* Often used in <values.h> */
698 # define PERL_SHORT_MAX ((short)MAXSHORT)
700 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
705 # define PERL_SHORT_MIN ((short)SHORT_MIN)
708 # define PERL_SHORT_MIN ((short)MINSHORT)
710 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
715 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
718 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
720 # define PERL_UINT_MAX (~(unsigned int)0)
724 #define PERL_UINT_MIN ((unsigned int)0)
727 # define PERL_INT_MAX ((int)INT_MAX)
729 # ifdef MAXINT /* Often used in <values.h> */
730 # define PERL_INT_MAX ((int)MAXINT)
732 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
737 # define PERL_INT_MIN ((int)INT_MIN)
740 # define PERL_INT_MIN ((int)MININT)
742 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
747 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
750 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
752 # define PERL_ULONG_MAX (~(unsigned long)0)
756 #define PERL_ULONG_MIN ((unsigned long)0L)
759 # define PERL_LONG_MAX ((long)LONG_MAX)
761 # ifdef MAXLONG /* Often used in <values.h> */
762 # define PERL_LONG_MAX ((long)MAXLONG)
764 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
769 # define PERL_LONG_MIN ((long)LONG_MIN)
772 # define PERL_LONG_MIN ((long)MINLONG)
774 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
781 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
783 # define PERL_UQUAD_MAX (~(UV)0)
786 # define PERL_UQUAD_MIN ((UV)0)
789 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
791 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
795 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
797 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
802 typedef MEM_SIZE STRLEN;
804 typedef struct op OP;
805 typedef struct cop COP;
806 typedef struct unop UNOP;
807 typedef struct binop BINOP;
808 typedef struct listop LISTOP;
809 typedef struct logop LOGOP;
810 typedef struct condop CONDOP;
811 typedef struct pmop PMOP;
812 typedef struct svop SVOP;
813 typedef struct gvop GVOP;
814 typedef struct pvop PVOP;
815 typedef struct loop LOOP;
817 typedef struct Outrec Outrec;
818 typedef struct interpreter PerlInterpreter;
819 typedef struct ff FF;
820 typedef struct sv SV;
821 typedef struct av AV;
822 typedef struct hv HV;
823 typedef struct cv CV;
824 typedef struct regexp REGEXP;
825 typedef struct gp GP;
826 typedef struct gv GV;
827 typedef struct io IO;
828 typedef struct context CONTEXT;
829 typedef struct block BLOCK;
831 typedef struct magic MAGIC;
832 typedef struct xrv XRV;
833 typedef struct xpv XPV;
834 typedef struct xpviv XPVIV;
835 typedef struct xpvnv XPVNV;
836 typedef struct xpvmg XPVMG;
837 typedef struct xpvlv XPVLV;
838 typedef struct xpvav XPVAV;
839 typedef struct xpvhv XPVHV;
840 typedef struct xpvgv XPVGV;
841 typedef struct xpvcv XPVCV;
842 typedef struct xpvbm XPVBM;
843 typedef struct xpvfm XPVFM;
844 typedef struct xpvio XPVIO;
845 typedef struct mgvtbl MGVTBL;
846 typedef union any ANY;
850 typedef I32 (*filter_t) _((int, SV *, int));
851 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
852 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
853 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
866 # include "./plan9/plan9ish.h"
868 # include "unixish.h"
873 /* Some unistd.h's give a prototype for pause() even though
874 HAS_PAUSE ends up undefined. This causes the #define
875 below to be rejected by the compmiler. Sigh.
880 #define Pause() sleep((32767<<16)+32767)
885 /* on BSDish systes we're safe */
886 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
888 /* otherwise guess at what's safe */
889 # define IOCPARM_LEN(x) 256
898 void (*any_dptr) _((void*));
915 /* work around some libPW problems */
920 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
924 #if defined(htonl) && !defined(HAS_HTONL)
927 #if defined(htons) && !defined(HAS_HTONS)
930 #if defined(ntohl) && !defined(HAS_NTOHL)
933 #if defined(ntohs) && !defined(HAS_NTOHS)
937 #if (BYTEORDER & 0xffff) != 0x4321
943 #define htons my_swap
944 #define htonl my_htonl
945 #define ntohs my_swap
946 #define ntohl my_ntohl
949 #if (BYTEORDER & 0xffff) == 0x4321
958 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
961 #if BYTEORDER != 0x1234
966 # if BYTEORDER == 0x4321
967 # define vtohl(x) ((((x)&0xFF)<<24) \
969 +(((x)&0x0000FF00)<<8) \
970 +(((x)&0x00FF0000)>>8) )
971 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
972 # define htovl(x) vtohl(x)
973 # define htovs(x) vtohs(x)
975 /* otherwise default to functions in util.c */
979 #define U_S(what) ((U16)(what))
980 #define U_I(what) ((unsigned int)(what))
981 #define U_L(what) ((U32)(what))
986 U32 cast_ulong _((double));
990 #define U_S(what) ((U16)cast_ulong((double)(what)))
991 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
992 #define U_L(what) (cast_ulong((double)(what)))
996 #define I_32(what) ((I32)(what))
997 #define I_V(what) ((IV)(what))
998 #define U_V(what) ((UV)(what))
1003 I32 cast_i32 _((double));
1004 IV cast_iv _((double));
1005 UV cast_uv _((double));
1009 #define I_32(what) (cast_i32((double)(what)))
1010 #define I_V(what) (cast_iv((double)(what)))
1011 #define U_V(what) (cast_uv((double)(what)))
1025 # define TMPPATH "/tmp/perl-eXXXXXX"
1029 Uid_t getuid _((void));
1030 Uid_t geteuid _((void));
1031 Gid_t getgid _((void));
1032 Gid_t getegid _((void));
1036 #ifndef Perl_debug_log
1037 #define Perl_debug_log PerlIO_stderr()
1041 #define DEBUG(a) if (debug) a
1042 #define DEBUG_p(a) if (debug & 1) a
1043 #define DEBUG_s(a) if (debug & 2) a
1044 #define DEBUG_l(a) if (debug & 4) a
1045 #define DEBUG_t(a) if (debug & 8) a
1046 #define DEBUG_o(a) if (debug & 16) a
1047 #define DEBUG_c(a) if (debug & 32) a
1048 #define DEBUG_P(a) if (debug & 64) a
1049 #define DEBUG_m(a) if (curinterp && debug & 128) a
1050 #define DEBUG_f(a) if (debug & 256) a
1051 #define DEBUG_r(a) if (debug & 512) a
1052 #define DEBUG_x(a) if (debug & 1024) a
1053 #define DEBUG_u(a) if (debug & 2048) a
1054 #define DEBUG_L(a) if (debug & 4096) a
1055 #define DEBUG_H(a) if (debug & 8192) a
1056 #define DEBUG_X(a) if (debug & 16384) a
1057 #define DEBUG_D(a) if (debug & 32768) a
1078 #define YYMAXDEPTH 300
1080 #ifndef assert /* <assert.h> might have been included somehow */
1081 #define assert(what) DEB( { \
1083 croak("Assertion failed: file \"%s\", line %d", \
1084 __FILE__, __LINE__); \
1090 I32 (*uf_val)_((IV, SV*));
1091 I32 (*uf_set)_((IV, SV*));
1095 /* Fix these up for __STDC__ */
1097 char *mktemp _((char*));
1098 double atof _((const char*));
1102 /* All of these are in stdlib.h or time.h for ANSI C */
1104 struct tm *gmtime(), *localtime();
1105 char *strchr(), *strrchr();
1106 char *strcpy(), *strcat();
1107 #endif /* ! STANDARD_C */
1116 double exp _((double));
1117 double log _((double));
1118 double sqrt _((double));
1119 double modf _((double,double*));
1120 double sin _((double));
1121 double cos _((double));
1122 double atan2 _((double,double));
1123 double pow _((double,double));
1130 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1131 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1133 char *crypt _((const char*, const char*));
1135 char *getenv _((const char*));
1136 Off_t lseek _((int,Off_t,int));
1137 char *getlogin _((void));
1140 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1141 #define UNLINK unlnk
1142 I32 unlnk _((char*));
1144 #define UNLINK unlink
1147 #ifndef HAS_SETREUID
1148 # ifdef HAS_SETRESUID
1149 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1150 # define HAS_SETREUID
1153 #ifndef HAS_SETREGID
1154 # ifdef HAS_SETRESGID
1155 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1156 # define HAS_SETREGID
1169 # ifndef DEBUGGING_MSTATS
1170 # define DEBUGGING_MSTATS
1173 # define PAD_SV(po) pad_sv(po)
1175 # define PAD_SV(po) curpad[po]
1183 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1184 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1185 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1186 extern char ** environ; /* environment variables supplied via exec */
1188 # if defined(NeXT) && defined(__DYNAMIC__)
1190 # include <mach-o/dyld.h>
1191 EXT char *** environ_pointer;
1192 # define environ (*environ_pointer)
1194 #endif /* environ processing */
1196 EXT int uid; /* current real user id */
1197 EXT int euid; /* current effective user id */
1198 EXT int gid; /* current real group id */
1199 EXT int egid; /* current effective group id */
1200 EXT bool nomemok; /* let malloc context handle nomem */
1201 EXT U32 an; /* malloc sequence number */
1202 EXT U32 cop_seqmax; /* statement sequence number */
1203 EXT U16 op_seqmax; /* op sequence number */
1204 EXT U32 evalseq; /* eval sequence number */
1205 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1206 EXT char ** origenviron;
1208 EXT U32 * profiledata;
1209 EXT int maxo INIT(MAXO);/* Number of ops */
1210 EXT char * osname; /* operating system */
1212 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1213 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1214 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1215 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1216 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1217 EXT HE * he_root; /* free he list--shared by interpreters */
1218 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1219 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1221 /* Stack for currently executing thread--context switch must handle this. */
1222 EXT SV ** stack_base; /* stack->array_ary */
1223 EXT SV ** stack_sp; /* stack pointer now */
1224 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1226 /* likewise for these */
1228 EXT OP * op; /* current op--oughta be in a global register */
1230 EXT I32 * scopestack; /* blocks we've entered */
1231 EXT I32 scopestack_ix;
1232 EXT I32 scopestack_max;
1234 EXT ANY* savestack; /* to save non-local values on */
1235 EXT I32 savestack_ix;
1236 EXT I32 savestack_max;
1238 EXT OP ** retstack; /* returns we've pushed */
1239 EXT I32 retstack_ix;
1240 EXT I32 retstack_max;
1242 EXT I32 * markstack; /* stackmarks we're remembering */
1243 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1244 EXT I32 * markstack_max; /* stackmarks we're remembering */
1252 EXT char buf[2048]; /* should be longer than PATH_MAX */
1253 EXT char tokenbuf[256];
1254 EXT struct stat statbuf;
1256 EXT struct tms timesbuf;
1258 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1260 /* for tmp use in stupid debuggers */
1265 /* handy constants */
1266 EXT char * Yes INIT("1");
1267 EXT char * No INIT("");
1268 EXT char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1269 EXT char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1270 EXT char * vert INIT("|");
1272 EXT char warn_uninit[]
1273 INIT("Use of uninitialized value");
1274 EXT char warn_nosemi[]
1275 INIT("Semicolon seems to be missing");
1276 EXT char warn_reserved[]
1277 INIT("Unquoted string \"%s\" may clash with future reserved word");
1279 INIT("Unsuccessful %s on filename containing newline");
1280 EXT char no_wrongref[]
1281 INIT("Can't use %s ref as %s ref");
1282 EXT char no_symref[]
1283 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1285 INIT("Can't use an undefined value as %s reference");
1287 INIT("Modification of non-creatable array value attempted, subscript %d");
1289 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1290 EXT char no_modify[]
1291 INIT("Modification of a read-only value attempted");
1293 INIT("Out of memory!\n");
1294 EXT char no_security[]
1295 INIT("Insecure dependency in %s%s");
1296 EXT char no_sock_func[]
1297 INIT("Unsupported socket function \"%s\" called");
1298 EXT char no_dir_func[]
1299 INIT("Unsupported directory function \"%s\" called");
1301 INIT("The %s function is unimplemented");
1302 EXT char no_myglob[]
1303 INIT("\"my\" variable %s can't be in a package");
1309 EXT char * cshname INIT(CSH);
1314 EXT char *sig_name[] = { SIG_NAME };
1315 EXT int sig_num[] = { SIG_NUM };
1316 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1317 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1319 EXT char *sig_name[];
1321 EXT SV * psig_ptr[];
1322 EXT SV * psig_name[];
1325 /* fast case folding tables */
1328 EXT const unsigned char fold[] = {
1329 0, 1, 2, 3, 4, 5, 6, 7,
1330 8, 9, 10, 11, 12, 13, 14, 15,
1331 16, 17, 18, 19, 20, 21, 22, 23,
1332 24, 25, 26, 27, 28, 29, 30, 31,
1333 32, 33, 34, 35, 36, 37, 38, 39,
1334 40, 41, 42, 43, 44, 45, 46, 47,
1335 48, 49, 50, 51, 52, 53, 54, 55,
1336 56, 57, 58, 59, 60, 61, 62, 63,
1337 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1338 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1339 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1340 'x', 'y', 'z', 91, 92, 93, 94, 95,
1341 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1342 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1343 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1344 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1345 128, 129, 130, 131, 132, 133, 134, 135,
1346 136, 137, 138, 139, 140, 141, 142, 143,
1347 144, 145, 146, 147, 148, 149, 150, 151,
1348 152, 153, 154, 155, 156, 157, 158, 159,
1349 160, 161, 162, 163, 164, 165, 166, 167,
1350 168, 169, 170, 171, 172, 173, 174, 175,
1351 176, 177, 178, 179, 180, 181, 182, 183,
1352 184, 185, 186, 187, 188, 189, 190, 191,
1353 192, 193, 194, 195, 196, 197, 198, 199,
1354 200, 201, 202, 203, 204, 205, 206, 207,
1355 208, 209, 210, 211, 212, 213, 214, 215,
1356 216, 217, 218, 219, 220, 221, 222, 223,
1357 224, 225, 226, 227, 228, 229, 230, 231,
1358 232, 233, 234, 235, 236, 237, 238, 239,
1359 240, 241, 242, 243, 244, 245, 246, 247,
1360 248, 249, 250, 251, 252, 253, 254, 255
1363 EXT unsigned char fold[];
1367 EXT unsigned char fold_locale[] = {
1368 0, 1, 2, 3, 4, 5, 6, 7,
1369 8, 9, 10, 11, 12, 13, 14, 15,
1370 16, 17, 18, 19, 20, 21, 22, 23,
1371 24, 25, 26, 27, 28, 29, 30, 31,
1372 32, 33, 34, 35, 36, 37, 38, 39,
1373 40, 41, 42, 43, 44, 45, 46, 47,
1374 48, 49, 50, 51, 52, 53, 54, 55,
1375 56, 57, 58, 59, 60, 61, 62, 63,
1376 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1377 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1378 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1379 'x', 'y', 'z', 91, 92, 93, 94, 95,
1380 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1381 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1382 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1383 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1384 128, 129, 130, 131, 132, 133, 134, 135,
1385 136, 137, 138, 139, 140, 141, 142, 143,
1386 144, 145, 146, 147, 148, 149, 150, 151,
1387 152, 153, 154, 155, 156, 157, 158, 159,
1388 160, 161, 162, 163, 164, 165, 166, 167,
1389 168, 169, 170, 171, 172, 173, 174, 175,
1390 176, 177, 178, 179, 180, 181, 182, 183,
1391 184, 185, 186, 187, 188, 189, 190, 191,
1392 192, 193, 194, 195, 196, 197, 198, 199,
1393 200, 201, 202, 203, 204, 205, 206, 207,
1394 208, 209, 210, 211, 212, 213, 214, 215,
1395 216, 217, 218, 219, 220, 221, 222, 223,
1396 224, 225, 226, 227, 228, 229, 230, 231,
1397 232, 233, 234, 235, 236, 237, 238, 239,
1398 240, 241, 242, 243, 244, 245, 246, 247,
1399 248, 249, 250, 251, 252, 253, 254, 255
1402 EXT unsigned char fold_locale[];
1406 EXT unsigned char freq[] = { /* letter frequencies for mixed English/C */
1407 1, 2, 84, 151, 154, 155, 156, 157,
1408 165, 246, 250, 3, 158, 7, 18, 29,
1409 40, 51, 62, 73, 85, 96, 107, 118,
1410 129, 140, 147, 148, 149, 150, 152, 153,
1411 255, 182, 224, 205, 174, 176, 180, 217,
1412 233, 232, 236, 187, 235, 228, 234, 226,
1413 222, 219, 211, 195, 188, 193, 185, 184,
1414 191, 183, 201, 229, 181, 220, 194, 162,
1415 163, 208, 186, 202, 200, 218, 198, 179,
1416 178, 214, 166, 170, 207, 199, 209, 206,
1417 204, 160, 212, 216, 215, 192, 175, 173,
1418 243, 172, 161, 190, 203, 189, 164, 230,
1419 167, 248, 227, 244, 242, 255, 241, 231,
1420 240, 253, 169, 210, 245, 237, 249, 247,
1421 239, 168, 252, 251, 254, 238, 223, 221,
1422 213, 225, 177, 197, 171, 196, 159, 4,
1423 5, 6, 8, 9, 10, 11, 12, 13,
1424 14, 15, 16, 17, 19, 20, 21, 22,
1425 23, 24, 25, 26, 27, 28, 30, 31,
1426 32, 33, 34, 35, 36, 37, 38, 39,
1427 41, 42, 43, 44, 45, 46, 47, 48,
1428 49, 50, 52, 53, 54, 55, 56, 57,
1429 58, 59, 60, 61, 63, 64, 65, 66,
1430 67, 68, 69, 70, 71, 72, 74, 75,
1431 76, 77, 78, 79, 80, 81, 82, 83,
1432 86, 87, 88, 89, 90, 91, 92, 93,
1433 94, 95, 97, 98, 99, 100, 101, 102,
1434 103, 104, 105, 106, 108, 109, 110, 111,
1435 112, 113, 114, 115, 116, 117, 119, 120,
1436 121, 122, 123, 124, 125, 126, 127, 128,
1437 130, 131, 132, 133, 134, 135, 136, 137,
1438 138, 139, 141, 142, 143, 144, 145, 146
1441 EXT unsigned char freq[];
1446 EXT char* block_type[] = {
1455 EXT char* block_type[];
1459 /*****************************************************************************/
1460 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1461 /*****************************************************************************/
1462 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1475 EXT U32 lex_state; /* next token is determined */
1476 EXT U32 lex_defer; /* state after determined token */
1477 EXT expectation lex_expect; /* expect after determined token */
1478 EXT I32 lex_brackets; /* bracket count */
1479 EXT I32 lex_formbrack; /* bracket count at outer format level */
1480 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1481 EXT I32 lex_casemods; /* casemod count */
1482 EXT I32 lex_dojoin; /* doing an array interpolation */
1483 EXT I32 lex_endscope; /* maybe end of scope; defer lexical vars */
1484 EXT I32 lex_starts; /* how many interps done on level */
1485 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1486 EXT SV * lex_repl; /* runtime replacement from s/// */
1487 EXT OP * lex_op; /* extra info to pass back on op */
1488 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1489 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1490 EXT char * lex_brackstack; /* what kind of brackets to pop */
1491 EXT char * lex_casestack; /* what kind of case mods in effect */
1493 /* What we know when we're in LEX_KNOWNEXT state. */
1494 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1495 EXT I32 nexttype[5]; /* type of next token */
1498 EXT PerlIO * VOL rsfp INIT(Nullfp);
1501 EXT char * oldbufptr;
1502 EXT char * oldoldbufptr;
1504 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1505 EXT AV * rsfp_filters;
1507 EXT I32 multi_start; /* 1st line of multi-line string */
1508 EXT I32 multi_end; /* last line of multi-line string */
1509 EXT I32 multi_open; /* delimiter of said string */
1510 EXT I32 multi_close; /* delimiter of said string */
1513 EXT I32 error_count; /* how many errors so far, max 10 */
1514 EXT I32 subline; /* line this subroutine began on */
1515 EXT SV * subname; /* name of current subroutine */
1517 EXT CV * compcv; /* currently compiling subroutine */
1518 EXT AV * comppad; /* storage for lexically scoped temporaries */
1519 EXT AV * comppad_name; /* variable names for "my" variables */
1520 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1521 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1522 EXT I32 min_intro_pending;/* start of vars to introduce */
1523 EXT I32 max_intro_pending;/* end of vars to introduce */
1524 EXT I32 padix; /* max used index in current "register" pad */
1525 EXT I32 padix_floor; /* how low may inner block reset padix */
1526 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1529 EXT I32 thisexpr; /* name id for nothing_in_common() */
1530 EXT char * last_uni; /* position of last named-unary operator */
1531 EXT char * last_lop; /* position of last list operator */
1532 EXT OPCODE last_lop_op; /* last list operator */
1533 EXT bool in_my; /* we're compiling a "my" declaration */
1535 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1538 EXT U32 hints; /* various compilation flags */
1540 /* Note: the lowest 8 bits are reserved for
1541 stuffing into op->op_private */
1542 #define HINT_INTEGER 0x00000001
1543 #define HINT_STRICT_REFS 0x00000002
1545 #define HINT_BLOCK_SCOPE 0x00000100
1546 #define HINT_STRICT_SUBS 0x00000200
1547 #define HINT_STRICT_VARS 0x00000400
1548 #define HINT_LOCALE 0x00000800
1550 /**************************************************************************/
1551 /* This regexp stuff is global since it always happens within 1 expr eval */
1552 /**************************************************************************/
1554 EXT char * regprecomp; /* uncompiled string. */
1555 EXT char * regparse; /* Input-scan pointer. */
1556 EXT char * regxend; /* End of input for compile */
1557 EXT I32 regnpar; /* () count. */
1558 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1559 EXT I32 regsize; /* Code size. */
1560 EXT I32 regnaughty; /* How bad is this pattern? */
1561 EXT I32 regsawback; /* Did we see \1, ...? */
1563 EXT char * reginput; /* String-input pointer. */
1564 EXT char * regbol; /* Beginning of input, for ^ check. */
1565 EXT char * regeol; /* End of input, for $ check. */
1566 EXT char ** regstartp; /* Pointer to startp array. */
1567 EXT char ** regendp; /* Ditto for endp. */
1568 EXT U32 * reglastparen; /* Similarly for lastparen. */
1569 EXT char * regtill; /* How far we are required to go. */
1570 EXT U16 regflags; /* are we folding, multilining? */
1571 EXT char regprev; /* char before regbol, \n if none */
1573 EXT bool do_undump; /* -u or dump seen? */
1576 /***********************************************/
1577 /* Global only to current interpreter instance */
1578 /***********************************************/
1583 struct interpreter {
1586 #define IINIT(x) INIT(x)
1589 /* pseudo environmental stuff */
1591 IEXT char ** Iorigargv;
1595 IEXT char * Iorigfilename;
1597 IEXT SV * Iwarnhook;
1598 IEXT SV * Iparsehook;
1600 /* Various states of an input record separator SV (rs, nrs) */
1601 #define RsSNARF(sv) (! SvOK(sv))
1602 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1603 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1608 IEXT char Ipatchlevel[10];
1609 IEXT char ** Ilocalpatches;
1611 IEXT char * Isplitstr IINIT(" ");
1612 IEXT bool Ipreprocess;
1618 IEXT bool Idoswitches;
1620 IEXT bool Idoextract;
1621 IEXT bool Isawampersand; /* must save all match strings */
1622 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1625 IEXT char * Iinplace;
1626 IEXT char * Ie_tmpname;
1627 IEXT PerlIO * Ie_fp;
1629 /* This value may be raised by extensions for testing purposes */
1630 IEXT int Iperl_destruct_level; /* 0=none, 1=full, 2=full with checks */
1632 /* magical thingies */
1633 IEXT Time_t Ibasetime; /* $^T */
1634 IEXT SV * Iformfeed; /* $^L */
1635 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1636 IEXT SV * Irs; /* $/ */
1637 IEXT char * Iofs; /* $, */
1638 IEXT STRLEN Iofslen;
1639 IEXT char * Iors; /* $\ */
1640 IEXT STRLEN Iorslen;
1641 IEXT char * Iofmt; /* $# */
1642 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1643 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1644 IEXT U32 Istatusvalue; /* $? */
1646 IEXT struct stat Istatcache; /* _ */
1648 IEXT SV * Istatname IINIT(Nullsv);
1650 /* shortcuts to various I/O objects */
1652 IEXT GV * Ilast_in_gv;
1655 IEXT GV * Idefoutgv;
1656 IEXT GV * Iargvoutgv;
1658 /* shortcuts to regexp stuff */
1662 IEXT PMOP * Icurpm; /* what to do \ interps from */
1663 IEXT I32 * Iscreamfirst;
1664 IEXT I32 * Iscreamnext;
1665 IEXT I32 Imaxscream IINIT(-1);
1666 IEXT SV * Ilastscream;
1668 /* shortcuts to misc objects */
1671 /* shortcuts to debugging objects */
1675 IEXT SV * IDBsingle;
1677 IEXT SV * IDBsignal;
1678 IEXT AV * Ilineary; /* lines of script for debugger */
1679 IEXT AV * Idbargs; /* args to call listed by caller function */
1682 IEXT HV * Idefstash; /* main symbol table */
1683 IEXT HV * Icurstash; /* symbol table for current package */
1684 IEXT HV * Idebstash; /* symbol table for perldb package */
1685 IEXT SV * Icurstname; /* name of current package */
1686 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1687 IEXT AV * Iendav; /* names of END subroutines */
1688 IEXT HV * Istrtab; /* shared string table */
1690 /* memory management */
1691 IEXT SV ** Itmps_stack;
1692 IEXT I32 Itmps_ix IINIT(-1);
1693 IEXT I32 Itmps_floor IINIT(-1);
1695 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1696 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1697 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1698 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1700 /* funky return mechanisms */
1701 IEXT I32 Ilastspbase;
1703 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1705 /* subprocess state */
1706 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1707 IEXT HV * Ipidstatus; /* keep pid-to-status mappings for waitpid */
1709 /* internal state */
1710 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1711 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1712 IEXT int Idelaymagic; /* ($<,$>) = ... */
1713 IEXT bool Idirty; /* In the middle of tearing things down? */
1714 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1715 IEXT bool Itainted; /* using variables controlled by $< */
1716 IEXT bool Itainting; /* doing taint checks */
1717 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1721 IEXT I32 Idlmax IINIT(128);
1722 IEXT char * Idebname;
1723 IEXT char * Idebdelim;
1725 /* current interpreter roots */
1727 IEXT OP * Imain_root;
1728 IEXT OP * Imain_start;
1729 IEXT OP * Ieval_root;
1730 IEXT OP * Ieval_start;
1732 /* runtime control stuff */
1733 IEXT COP * VOL Icurcop IINIT(&compiling);
1734 IEXT COP * Icurcopdb IINIT(NULL);
1735 IEXT line_t Icopline IINIT(NOLINE);
1736 IEXT CONTEXT * Icxstack;
1737 IEXT I32 Icxstack_ix IINIT(-1);
1738 IEXT I32 Icxstack_max IINIT(128);
1739 IEXT Sigjmp_buf Itop_env;
1743 IEXT AV * Icurstack; /* THE STACK */
1744 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1745 IEXT SV ** Imystack_base; /* stack->array_ary */
1746 IEXT SV ** Imystack_sp; /* stack pointer now */
1747 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1749 /* format accumulators */
1750 IEXT SV * Iformtarget;
1751 IEXT SV * Ibodytarget;
1752 IEXT SV * Itoptarget;
1754 /* statics moved here for shared library purposes */
1755 IEXT SV Istrchop; /* return value from chop */
1756 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1757 IEXT int Ilastfd; /* what to preserve mode on */
1758 IEXT char * Ioldname; /* what to preserve mode on */
1759 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1760 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1761 IEXT OP * Isortcop; /* user defined sort routine */
1762 IEXT HV * Isortstash; /* which is in some package or other */
1763 IEXT GV * Ifirstgv; /* $a */
1764 IEXT GV * Isecondgv; /* $b */
1765 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1766 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1767 IEXT SV * Imystrk; /* temp key string for do_each() */
1768 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1769 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1770 IEXT I32 Igensym; /* next symbol for getsym() to define */
1771 IEXT bool Ipreambled;
1772 IEXT AV * Ipreambleav;
1773 IEXT int Ilaststatval IINIT(-1);
1774 IEXT I32 Ilaststype IINIT(OP_STAT);
1782 struct interpreter {
1796 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1797 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1799 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1800 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1807 /* The following must follow proto.h */
1811 EXT MGVTBL vtbl_sv = {magic_get,
1815 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1816 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1819 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1820 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1824 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1826 EXT MGVTBL vtbl_packelem = {magic_getpack,
1830 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1832 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1834 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1836 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1839 EXT MGVTBL vtbl_glob = {magic_getglob,
1842 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1844 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1846 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1848 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1850 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1852 EXT MGVTBL vtbl_pos = {magic_getpos,
1855 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1857 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1859 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1864 EXT MGVTBL vtbl_collxfrm = {0,
1870 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1871 0, 0, magic_setamagic};
1872 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1873 0, 0, magic_setamagic};
1874 #endif /* OVERLOAD */
1879 EXT MGVTBL vtbl_env;
1880 EXT MGVTBL vtbl_envelem;
1881 EXT MGVTBL vtbl_sig;
1882 EXT MGVTBL vtbl_sigelem;
1883 EXT MGVTBL vtbl_pack;
1884 EXT MGVTBL vtbl_packelem;
1885 EXT MGVTBL vtbl_dbline;
1886 EXT MGVTBL vtbl_isa;
1887 EXT MGVTBL vtbl_isaelem;
1888 EXT MGVTBL vtbl_arylen;
1889 EXT MGVTBL vtbl_glob;
1890 EXT MGVTBL vtbl_mglob;
1891 EXT MGVTBL vtbl_nkeys;
1892 EXT MGVTBL vtbl_taint;
1893 EXT MGVTBL vtbl_substr;
1894 EXT MGVTBL vtbl_vec;
1895 EXT MGVTBL vtbl_pos;
1898 EXT MGVTBL vtbl_uvar;
1901 EXT MGVTBL vtbl_collxfrm;
1905 EXT MGVTBL vtbl_amagic;
1906 EXT MGVTBL vtbl_amagicelem;
1907 #endif /* OVERLOAD */
1909 #endif /* !DOINIT */
1912 EXT long amagic_generation;
1914 #define NofAMmeth 29
1916 EXT char * AMG_names[NofAMmeth][2] = {
1918 {"bool", "nomethod"},
1948 EXT char * AMG_names[NofAMmeth][2];
1949 #endif /* def INITAMAGIC */
1954 CV* table[NofAMmeth*2];
1957 typedef struct am_table AMT;
1959 #define AMGfallNEVER 1
1961 #define AMGfallYES 3
1964 fallback_amg, abs_amg,
1965 bool__amg, nomethod_amg,
1966 string_amg, numer_amg,
1967 add_amg, add_ass_amg,
1968 subtr_amg, subtr_ass_amg,
1969 mult_amg, mult_ass_amg,
1970 div_amg, div_ass_amg,
1971 mod_amg, mod_ass_amg,
1972 pow_amg, pow_ass_amg,
1973 lshift_amg, lshift_ass_amg,
1974 rshift_amg, rshift_ass_amg,
1975 band_amg, band_ass_amg,
1976 bor_amg, bor_ass_amg,
1977 bxor_amg, bxor_ass_amg,
1990 repeat_amg, repeat_ass_amg,
1991 concat_amg, concat_ass_amg,
1994 #endif /* OVERLOAD */
1997 EXT U32 collation_ix; /* Collation generation index */
1998 EXT char * collation_name; /* Name of current collation */
1999 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2000 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2001 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2002 #endif /* LC_COLLATE */
2006 EXT char * numeric_name; /* Name of current numeric locale */
2007 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2008 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2010 #define NUMERIC_STANDARD() \
2011 STMT_START { if (! numeric_standard) perl_numeric_standard(); } STMT_END
2012 #define NUMERIC_LOCAL() \
2013 STMT_START { if (! numeric_local) perl_numeric_local(); } STMT_END
2015 #else /* !LC_NUMERIC */
2017 #define NUMERIC_STANDARD() /**/
2018 #define NUMERIC_LOCAL() /**/
2020 #endif /* !LC_NUMERIC */
2022 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2024 * Now we have __attribute__ out of the way
2027 #define printf PerlIO_stdoutf
2030 #endif /* Include guard */