3 * Copyright (c) 1987-1994, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
15 * This file is being used for x2p stuff.
16 * Above symbol is defined via -D in 'x2p/Makefile.SH'
17 * Decouple x2p stuff from some of perls more extreme eccentricities.
25 #endif /* PERL_FOR_X2P */
33 * STMT_START { statements; } STMT_END;
34 * can be used as a single statement, as in
35 * if (x) STMT_START { ... } STMT_END; else ...
37 * Trying to select a version that gives no warnings...
39 #if !(defined(STMT_START) && defined(STMT_END))
40 # if defined(__GNUC__) && !defined(__STRICT_ANSI__)
41 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
44 /* Now which other defined()s do we need here ??? */
45 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
46 # define STMT_START if (1)
47 # define STMT_END else (void)0
49 # define STMT_START do
50 # define STMT_END while (0)
56 * SOFT_CAST can be used for args to prototyped functions to retain some
57 * type checking; it only casts if the compiler does not know prototypes.
59 #if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
60 #define SOFT_CAST(type)
62 #define SOFT_CAST(type) (type)
66 # define BYTEORDER 0x1234
69 /* Overall memory policy? */
75 * The following contortions are brought to you on behalf of all the
76 * standards, semi-standards, de facto standards, not-so-de-facto standards
77 * of the world, as well as all the other botches anyone ever thought of.
78 * The basic theory is that if we work hard enough here, the rest of the
79 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
82 /* define this once if either system, instead of cluttering up the src */
83 #if defined(MSDOS) || defined(atarist)
87 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
91 #if defined(HASVOLATILE) || defined(STANDARD_C)
93 # define VOL // to temporarily suppress warnings
101 #define TAINT (tainted = TRUE)
102 #define TAINT_NOT (tainted = FALSE)
103 #define TAINT_IF(c) if (c) { tainted = TRUE; }
104 #define TAINT_ENV() if (tainting) { taint_env(); }
105 #define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
107 /* XXX All process group stuff is handled in pp_sys.c. Should these
108 defines move there? If so, I could simplify this a lot. --AD 9/96.
110 /* Process group stuff changed from traditional BSD to POSIX.
111 perlfunc.pod documents the traditional BSD-style syntax, so we'll
112 try to preserve that, if possible.
115 # define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
117 # if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
118 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
120 # ifdef HAS_SETPGRP2 /* DG/UX */
121 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
125 #if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
126 # define HAS_SETPGRP /* Well, effectively it does . . . */
129 /* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
130 our life easier :-) so we'll try it.
133 # define BSD_GETPGRP(pid) getpgid((pid))
135 # if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
136 # define BSD_GETPGRP(pid) getpgrp((pid))
138 # ifdef HAS_GETPGRP2 /* DG/UX */
139 # define BSD_GETPGRP(pid) getpgrp2((pid))
143 #if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
144 # define HAS_GETPGRP /* Well, effectively it does . . . */
147 /* These are not exact synonyms, since setpgrp() and getpgrp() may
148 have different behaviors, but perl.h used to define USE_BSDPGRP
149 (prior to 5.003_05) so some extension might depend on it.
151 #if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
157 #ifndef _TYPES_ /* If types.h defines this it's easy. */
158 # ifndef major /* Does everyone's types.h define this? */
159 # include <sys/types.h>
173 # include <varargs.h>
179 #ifdef USE_NEXT_CTYPE
181 #if NX_CURRENT_COMPILER_RELEASE >= 400
182 #include <objc/NXCType.h>
183 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
184 #include <appkit/NXCType.h>
185 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
187 #else /* !USE_NEXT_CTYPE */
189 #endif /* USE_NEXT_CTYPE */
191 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
199 #if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
201 # if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
202 && defined(HAS_STRXFRM)
203 # define USE_LOCALE_COLLATE
205 # if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
206 # define USE_LOCALE_CTYPE
208 # if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
209 # define USE_LOCALE_NUMERIC
211 #endif /* !NO_LOCALE && HAS_SETLOCALE */
216 # ifdef PARAM_NEEDS_TYPES
217 # include <sys/types.h>
219 # include <sys/param.h>
223 /* Use all the "standard" definitions? */
224 #if defined(STANDARD_C) && defined(I_STDLIB)
228 /* This comes after <stdlib.h> so we don't try to change the standard
229 * library prototypes; we'll use our own in proto.h instead. */
234 # define malloc Mymalloc
235 # define calloc Mycalloc
236 # define realloc Myremalloc
239 # ifdef EMBEDMYMALLOC
240 # define malloc Perl_malloc
241 # define calloc Perl_calloc
242 # define realloc Perl_realloc
243 # define free Perl_free
250 # define safemalloc malloc
251 # define safecalloc calloc
252 # define saferealloc realloc
253 # define safefree free
255 #endif /* MYMALLOC */
257 #define MEM_SIZE Size_t
259 #if defined(STANDARD_C) && defined(I_STDDEF)
261 # define STRUCT_OFFSET(s,m) offsetof(s,m)
263 # define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
266 #if defined(I_STRING) || defined(__cplusplus)
269 # include <strings.h>
272 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
274 #define strrchr rindex
282 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
284 extern char * memcpy _((char*, char*, int));
290 # define memcpy(d,s,l) bcopy(s,d,l)
292 # define memcpy(d,s,l) my_bcopy(s,d,l)
295 #endif /* HAS_MEMCPY */
298 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
300 extern char *memset _((char*, int, int));
303 # define memzero(d,l) memset(d,0,l)
307 # define memzero(d,l) bzero(d,l)
309 # define memzero(d,l) my_bzero(d,l)
312 #endif /* HAS_MEMSET */
314 #if !defined(HAS_MEMMOVE) && !defined(memmove)
315 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
316 # define memmove(d,s,l) bcopy(s,d,l)
318 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
319 # define memmove(d,s,l) memcpy(d,s,l)
321 # define memmove(d,s,l) my_bcopy(s,d,l)
326 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
330 #if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
331 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
333 extern int memcmp _((char*, char*, int));
337 # pragma function(memcmp)
341 # define memcmp my_memcmp
343 #endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
347 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
349 #endif /* !HAS_BCMP */
352 # include <netinet/in.h>
356 #include <sys/stat.h>
359 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
360 like UTekV) are broken, sometimes giving false positives. Undefine
361 them here and let the code below set them to proper values.
363 The ghs macro stands for GreenHills Software C-1.8.5 which
364 is the C compiler for sysV88 and the various derivatives.
365 This header file bug is corrected in gcc-2.5.8 and later versions.
366 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
368 #if defined(uts) || (defined(m88k) && defined(ghs))
382 # ifdef I_SYS_TIME_KERNEL
385 # include <sys/time.h>
386 # ifdef I_SYS_TIME_KERNEL
391 #if defined(HAS_TIMES) && defined(I_SYS_TIMES)
392 # include <sys/times.h>
395 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
401 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
403 #endif /* !HAS_MKFIFO */
408 # include <net/errno.h>
413 # define SETERRNO(errcode,vmserrcode) \
415 set_errno(errcode); \
416 set_vaxc_errno(vmserrcode); \
419 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
423 extern int errno; /* ANSI allows errno to be an lvalue expr */
428 char *strerror _((int,...));
430 char *strerror _((int));
433 # define Strerror strerror
436 # ifdef HAS_SYS_ERRLIST
438 extern char *sys_errlist[];
440 # define Strerror(e) \
441 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
446 #define STATUS_POSIX statusvalue
447 #define STATUS_POSIX_SET(n) \
450 if (statusvalue != -1) \
451 statusvalue &= 0xFFFF; \
455 # define STATUS_NATIVE statusvalue_vms
456 # define STATUS_NATIVE_EXPORT \
457 ((I32)statusvalue_vms == -1 ? 4 : statusvalue_vms)
458 # define STATUS_NATIVE_SET(n) \
460 statusvalue_vms = (n); \
461 if ((I32)statusvalue_vms == -1) \
463 else if (statusvalue_vms & STS$M_SUCCESS) \
465 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
466 statusvalue = 1 << 8; \
468 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
470 # define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
471 # define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 4)
473 # define STATUS_NATIVE STATUS_POSIX
474 # define STATUS_NATIVE_EXPORT STATUS_POSIX
475 # define STATUS_NATIVE_SET STATUS_POSIX_SET
476 # define STATUS_ALL_SUCCESS (statusvalue = 0)
477 # define STATUS_ALL_FAILURE (statusvalue = 1)
482 # include <sys/ioctl.h>
486 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
487 # ifdef HAS_SOCKETPAIR
488 # undef HAS_SOCKETPAIR
503 /* Configure already sets Direntry_t */
504 #if defined(I_DIRENT)
506 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
507 # include <sys/dir.h>
511 # include <sys/ndir.h>
515 # include <ndir.h> /* may be wrong in the future */
517 # include <sys/dir.h>
524 /* work around botch in SunOS 4.0.1 and 4.0.2 */
526 # define fputs(sv,fp) fprintf(fp,"%s",sv)
531 * The following gobbledygook brought to you on behalf of __STDC__.
532 * (I could just use #ifndef __STDC__, but this is more bulletproof
533 * in the face of half-implementations.)
538 # define S_IFMT _S_IFMT
540 # define S_IFMT 0170000
545 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
549 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
554 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
556 # define S_ISBLK(m) (0)
561 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
566 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
568 # define S_ISFIFO(m) (0)
574 # define S_ISLNK(m) _S_ISLNK(m)
577 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
580 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
582 # define S_ISLNK(m) (0)
590 # define S_ISSOCK(m) _S_ISSOCK(m)
593 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
596 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
598 # define S_ISSOCK(m) (0)
606 # define S_IRUSR S_IREAD
607 # define S_IWUSR S_IWRITE
608 # define S_IXUSR S_IEXEC
610 # define S_IRUSR 0400
611 # define S_IWUSR 0200
612 # define S_IXUSR 0100
614 # define S_IRGRP (S_IRUSR>>3)
615 # define S_IWGRP (S_IWUSR>>3)
616 # define S_IXGRP (S_IXUSR>>3)
617 # define S_IROTH (S_IRUSR>>6)
618 # define S_IWOTH (S_IWUSR>>6)
619 # define S_IXOTH (S_IXUSR>>6)
623 # define S_ISUID 04000
627 # define S_ISGID 02000
634 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
635 # define SLOPPYDIVIDE
642 /* XXX QUAD stuff is not currently supported on most systems.
643 Specifically, perl internals don't support long long. Among
644 the many problems is that some compilers support long long,
645 but the underlying library functions (such as sprintf) don't.
646 Some things do work (such as quad pack/unpack on convex);
647 also some systems use long long for the fpos_t typedef. That
650 The IV type is supposed to be long enough to hold any integral
652 --Andy Dougherty August 1996
659 # define Quad_t long long
661 # if defined(VMS) && defined(__ALPHA)
662 # define Quad_t __int64
664 # if BYTEORDER > 0xFFFF
674 typedef unsigned Quad_t UV;
675 # define IV_MAX PERL_QUAD_MAX
676 # define IV_MIN PERL_QUAD_MIN
677 # define UV_MAX PERL_UQUAD_MAX
678 # define UV_MIN PERL_UQUAD_MIN
681 typedef unsigned long UV;
682 # define IV_MAX PERL_LONG_MAX
683 # define IV_MIN PERL_LONG_MIN
684 # define UV_MAX PERL_ULONG_MAX
685 # define UV_MIN PERL_ULONG_MIN
688 /* Previously these definitions used hardcoded figures.
689 * It is hoped these formula are more portable, although
690 * no data one way or another is presently known to me.
691 * The "PERL_" names are used because these calculated constants
692 * do not meet the ANSI requirements for LONG_MAX, etc., which
693 * need to be constants acceptable to #if - kja
694 * define PERL_LONG_MAX 2147483647L
695 * define PERL_LONG_MIN (-LONG_MAX - 1)
696 * define PERL ULONG_MAX 4294967295L
699 #ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
708 * Try to figure out max and min values for the integral types. THE CORRECT
709 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
710 * following hacks are used if neither limits.h or values.h provide them:
711 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
712 * for types < int: (unsigned TYPE)~(unsigned)0
713 * The argument to ~ must be unsigned so that later signed->unsigned
714 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
715 * and it must not be smaller than int because ~ does integral promotion.
716 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
717 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
718 * The latter is a hack which happens to work on some machines but
719 * does *not* catch any random system, or things like integer types
720 * with NaN if that is possible.
722 * All of the types are explicitly cast to prevent accidental loss of
723 * numeric range, and in the hope that they will be less likely to confuse
724 * over-eager optimizers.
728 #define PERL_UCHAR_MIN ((unsigned char)0)
731 # define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
734 # define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
736 # define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
741 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
742 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
743 * depending on local options. Until Configure detects this (or at least
744 * detects whether the "signed" keyword is available) the CHAR ranges
745 * will not be included. UCHAR functions normally.
749 #define PERL_USHORT_MIN ((unsigned short)0)
752 # define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
755 # define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
757 # define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
762 # define PERL_SHORT_MAX ((short)SHORT_MAX)
764 # ifdef MAXSHORT /* Often used in <values.h> */
765 # define PERL_SHORT_MAX ((short)MAXSHORT)
767 # define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
772 # define PERL_SHORT_MIN ((short)SHORT_MIN)
775 # define PERL_SHORT_MIN ((short)MINSHORT)
777 # define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
782 # define PERL_UINT_MAX ((unsigned int)UINT_MAX)
785 # define PERL_UINT_MAX ((unsigned int)MAXUINT)
787 # define PERL_UINT_MAX (~(unsigned int)0)
791 #define PERL_UINT_MIN ((unsigned int)0)
794 # define PERL_INT_MAX ((int)INT_MAX)
796 # ifdef MAXINT /* Often used in <values.h> */
797 # define PERL_INT_MAX ((int)MAXINT)
799 # define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
804 # define PERL_INT_MIN ((int)INT_MIN)
807 # define PERL_INT_MIN ((int)MININT)
809 # define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
814 # define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
817 # define PERL_ULONG_MAX ((unsigned long)MAXULONG)
819 # define PERL_ULONG_MAX (~(unsigned long)0)
823 #define PERL_ULONG_MIN ((unsigned long)0L)
826 # define PERL_LONG_MAX ((long)LONG_MAX)
828 # ifdef MAXLONG /* Often used in <values.h> */
829 # define PERL_LONG_MAX ((long)MAXLONG)
831 # define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
836 # define PERL_LONG_MIN ((long)LONG_MIN)
839 # define PERL_LONG_MIN ((long)MINLONG)
841 # define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
848 # define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
850 # define PERL_UQUAD_MAX (~(UV)0)
853 # define PERL_UQUAD_MIN ((UV)0)
856 # define PERL_QUAD_MAX ((IV)QUAD_MAX)
858 # define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
862 # define PERL_QUAD_MIN ((IV)QUAD_MIN)
864 # define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
869 typedef MEM_SIZE STRLEN;
871 typedef struct op OP;
872 typedef struct cop COP;
873 typedef struct unop UNOP;
874 typedef struct binop BINOP;
875 typedef struct listop LISTOP;
876 typedef struct logop LOGOP;
877 typedef struct condop CONDOP;
878 typedef struct pmop PMOP;
879 typedef struct svop SVOP;
880 typedef struct gvop GVOP;
881 typedef struct pvop PVOP;
882 typedef struct loop LOOP;
884 typedef struct Outrec Outrec;
885 typedef struct interpreter PerlInterpreter;
886 typedef struct ff FF;
887 typedef struct sv SV;
888 typedef struct av AV;
889 typedef struct hv HV;
890 typedef struct cv CV;
891 typedef struct regexp REGEXP;
892 typedef struct gp GP;
893 typedef struct gv GV;
894 typedef struct io IO;
895 typedef struct context CONTEXT;
896 typedef struct block BLOCK;
898 typedef struct magic MAGIC;
899 typedef struct xrv XRV;
900 typedef struct xpv XPV;
901 typedef struct xpviv XPVIV;
902 typedef struct xpvuv XPVUV;
903 typedef struct xpvnv XPVNV;
904 typedef struct xpvmg XPVMG;
905 typedef struct xpvlv XPVLV;
906 typedef struct xpvav XPVAV;
907 typedef struct xpvhv XPVHV;
908 typedef struct xpvgv XPVGV;
909 typedef struct xpvcv XPVCV;
910 typedef struct xpvbm XPVBM;
911 typedef struct xpvfm XPVFM;
912 typedef struct xpvio XPVIO;
913 typedef struct mgvtbl MGVTBL;
914 typedef union any ANY;
918 typedef I32 (*filter_t) _((int, SV *, int));
919 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
920 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
921 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
934 # include "./plan9/plan9ish.h"
936 # include "unixish.h"
941 /* Some unistd.h's give a prototype for pause() even though
942 HAS_PAUSE ends up undefined. This causes the #define
943 below to be rejected by the compmiler. Sigh.
948 #define Pause() sleep((32767<<16)+32767)
953 /* on BSDish systes we're safe */
954 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
956 /* otherwise guess at what's safe */
957 # define IOCPARM_LEN(x) 256
966 void (*any_dptr) _((void*));
983 /* work around some libPW problems */
988 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
992 #if defined(htonl) && !defined(HAS_HTONL)
995 #if defined(htons) && !defined(HAS_HTONS)
998 #if defined(ntohl) && !defined(HAS_NTOHL)
1001 #if defined(ntohs) && !defined(HAS_NTOHS)
1005 #if (BYTEORDER & 0xffff) != 0x4321
1011 #define htons my_swap
1012 #define htonl my_htonl
1013 #define ntohs my_swap
1014 #define ntohl my_ntohl
1017 #if (BYTEORDER & 0xffff) == 0x4321
1026 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1029 #if BYTEORDER != 0x1234
1034 # if BYTEORDER == 0x4321
1035 # define vtohl(x) ((((x)&0xFF)<<24) \
1037 +(((x)&0x0000FF00)<<8) \
1038 +(((x)&0x00FF0000)>>8) )
1039 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1040 # define htovl(x) vtohl(x)
1041 # define htovs(x) vtohs(x)
1043 /* otherwise default to functions in util.c */
1047 #define U_S(what) ((U16)(what))
1048 #define U_I(what) ((unsigned int)(what))
1049 #define U_L(what) ((U32)(what))
1054 U32 cast_ulong _((double));
1058 #define U_S(what) ((U16)cast_ulong((double)(what)))
1059 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1060 #define U_L(what) (cast_ulong((double)(what)))
1064 #define I_32(what) ((I32)(what))
1065 #define I_V(what) ((IV)(what))
1066 #define U_V(what) ((UV)(what))
1071 I32 cast_i32 _((double));
1072 IV cast_iv _((double));
1073 UV cast_uv _((double));
1077 #define I_32(what) (cast_i32((double)(what)))
1078 #define I_V(what) (cast_iv((double)(what)))
1079 #define U_V(what) (cast_uv((double)(what)))
1093 # define TMPPATH "/tmp/perl-eXXXXXX"
1097 Uid_t getuid _((void));
1098 Uid_t geteuid _((void));
1099 Gid_t getgid _((void));
1100 Gid_t getegid _((void));
1104 #ifndef Perl_debug_log
1105 #define Perl_debug_log PerlIO_stderr()
1109 #define DEBUG(a) if (debug) a
1110 #define DEBUG_p(a) if (debug & 1) a
1111 #define DEBUG_s(a) if (debug & 2) a
1112 #define DEBUG_l(a) if (debug & 4) a
1113 #define DEBUG_t(a) if (debug & 8) a
1114 #define DEBUG_o(a) if (debug & 16) a
1115 #define DEBUG_c(a) if (debug & 32) a
1116 #define DEBUG_P(a) if (debug & 64) a
1117 #define DEBUG_m(a) if (curinterp && debug & 128) a
1118 #define DEBUG_f(a) if (debug & 256) a
1119 #define DEBUG_r(a) if (debug & 512) a
1120 #define DEBUG_x(a) if (debug & 1024) a
1121 #define DEBUG_u(a) if (debug & 2048) a
1122 #define DEBUG_L(a) if (debug & 4096) a
1123 #define DEBUG_H(a) if (debug & 8192) a
1124 #define DEBUG_X(a) if (debug & 16384) a
1125 #define DEBUG_D(a) if (debug & 32768) a
1146 #define YYMAXDEPTH 300
1148 #ifndef assert /* <assert.h> might have been included somehow */
1149 #define assert(what) DEB( { \
1151 croak("Assertion failed: file \"%s\", line %d", \
1152 __FILE__, __LINE__); \
1158 I32 (*uf_val)_((IV, SV*));
1159 I32 (*uf_set)_((IV, SV*));
1163 /* Fix these up for __STDC__ */
1165 char *mktemp _((char*));
1166 double atof _((const char*));
1170 /* All of these are in stdlib.h or time.h for ANSI C */
1172 struct tm *gmtime(), *localtime();
1173 char *strchr(), *strrchr();
1174 char *strcpy(), *strcat();
1175 #endif /* ! STANDARD_C */
1184 double exp _((double));
1185 double log _((double));
1186 double sqrt _((double));
1187 double modf _((double,double*));
1188 double sin _((double));
1189 double cos _((double));
1190 double atan2 _((double,double));
1191 double pow _((double,double));
1198 #ifdef __NeXT__ /* or whatever catches all NeXTs */
1199 char *crypt (); /* Maybe more hosts will need the unprototyped version */
1201 char *crypt _((const char*, const char*));
1203 char *getenv _((const char*));
1204 Off_t lseek _((int,Off_t,int));
1205 char *getlogin _((void));
1208 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
1209 #define UNLINK unlnk
1210 I32 unlnk _((char*));
1212 #define UNLINK unlink
1215 #ifndef HAS_SETREUID
1216 # ifdef HAS_SETRESUID
1217 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1218 # define HAS_SETREUID
1221 #ifndef HAS_SETREGID
1222 # ifdef HAS_SETRESGID
1223 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1224 # define HAS_SETREGID
1228 typedef Signal_t (*Sighandler_t) _((int));
1230 #ifdef HAS_SIGACTION
1231 typedef struct sigaction Sigsave_t;
1233 typedef Sighandler_t Sigsave_t;
1245 # ifndef DEBUGGING_MSTATS
1246 # define DEBUGGING_MSTATS
1249 # define PAD_SV(po) pad_sv(po)
1251 # define PAD_SV(po) curpad[po]
1259 EXT PerlInterpreter * curinterp; /* currently running interpreter */
1260 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1261 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
1262 extern char ** environ; /* environment variables supplied via exec */
1264 # if defined(NeXT) && defined(__DYNAMIC__)
1266 # include <mach-o/dyld.h>
1267 EXT char *** environ_pointer;
1268 # define environ (*environ_pointer)
1270 #endif /* environ processing */
1272 EXT int uid; /* current real user id */
1273 EXT int euid; /* current effective user id */
1274 EXT int gid; /* current real group id */
1275 EXT int egid; /* current effective group id */
1276 EXT bool nomemok; /* let malloc context handle nomem */
1277 EXT U32 an; /* malloc sequence number */
1278 EXT U32 cop_seqmax; /* statement sequence number */
1279 EXT U16 op_seqmax; /* op sequence number */
1280 EXT U32 evalseq; /* eval sequence number */
1281 EXT U32 sub_generation; /* inc to force methods to be looked up again */
1282 EXT char ** origenviron;
1284 EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
1285 EXT U32 * profiledata;
1286 EXT int maxo INIT(MAXO);/* Number of ops */
1287 EXT char * osname; /* operating system */
1288 EXT char * sh_path INIT(SH_PATH); /* full path of shell */
1290 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1291 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
1292 EXT double * xnv_root; /* free xnv list--shared by interpreters */
1293 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1294 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
1295 EXT HE * he_root; /* free he list--shared by interpreters */
1296 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1297 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
1299 /* Stack for currently executing thread--context switch must handle this. */
1300 EXT SV ** stack_base; /* stack->array_ary */
1301 EXT SV ** stack_sp; /* stack pointer now */
1302 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1304 /* likewise for these */
1306 EXT OP * op; /* current op--oughta be in a global register */
1308 EXT I32 * scopestack; /* blocks we've entered */
1309 EXT I32 scopestack_ix;
1310 EXT I32 scopestack_max;
1312 EXT ANY* savestack; /* to save non-local values on */
1313 EXT I32 savestack_ix;
1314 EXT I32 savestack_max;
1316 EXT OP ** retstack; /* returns we've pushed */
1317 EXT I32 retstack_ix;
1318 EXT I32 retstack_max;
1320 EXT I32 * markstack; /* stackmarks we're remembering */
1321 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1322 EXT I32 * markstack_max; /* stackmarks we're remembering */
1329 EXT char buf[2048]; /* should be longer than PATH_MAX */
1330 EXT char tokenbuf[256];
1331 EXT struct stat statbuf;
1333 EXT struct tms timesbuf;
1335 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
1337 /* for tmp use in stupid debuggers */
1342 /* handy constants */
1343 EXTCONST char * Yes INIT("1");
1344 EXTCONST char * No INIT("");
1345 EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1346 EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1347 EXTCONST char * vert INIT("|");
1349 EXTCONST char warn_uninit[]
1350 INIT("Use of uninitialized value");
1351 EXTCONST char warn_nosemi[]
1352 INIT("Semicolon seems to be missing");
1353 EXTCONST char warn_reserved[]
1354 INIT("Unquoted string \"%s\" may clash with future reserved word");
1355 EXTCONST char warn_nl[]
1356 INIT("Unsuccessful %s on filename containing newline");
1357 EXTCONST char no_wrongref[]
1358 INIT("Can't use %s ref as %s ref");
1359 EXTCONST char no_symref[]
1360 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
1361 EXTCONST char no_usym[]
1362 INIT("Can't use an undefined value as %s reference");
1363 EXTCONST char no_aelem[]
1364 INIT("Modification of non-creatable array value attempted, subscript %d");
1365 EXTCONST char no_helem[]
1366 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
1367 EXTCONST char no_modify[]
1368 INIT("Modification of a read-only value attempted");
1369 EXTCONST char no_mem[]
1370 INIT("Out of memory!\n");
1371 EXTCONST char no_security[]
1372 INIT("Insecure dependency in %s%s");
1373 EXTCONST char no_sock_func[]
1374 INIT("Unsupported socket function \"%s\" called");
1375 EXTCONST char no_dir_func[]
1376 INIT("Unsupported directory function \"%s\" called");
1377 EXTCONST char no_func[]
1378 INIT("The %s function is unimplemented");
1379 EXTCONST char no_myglob[]
1380 INIT("\"my\" variable %s can't be in a package");
1386 EXT char * cshname INIT(CSH);
1391 EXT char *sig_name[] = { SIG_NAME };
1392 EXT int sig_num[] = { SIG_NUM };
1393 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1394 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1396 EXT char *sig_name[];
1398 EXT SV * psig_ptr[];
1399 EXT SV * psig_name[];
1402 /* fast case folding tables */
1405 EXTCONST unsigned char fold[] = {
1406 0, 1, 2, 3, 4, 5, 6, 7,
1407 8, 9, 10, 11, 12, 13, 14, 15,
1408 16, 17, 18, 19, 20, 21, 22, 23,
1409 24, 25, 26, 27, 28, 29, 30, 31,
1410 32, 33, 34, 35, 36, 37, 38, 39,
1411 40, 41, 42, 43, 44, 45, 46, 47,
1412 48, 49, 50, 51, 52, 53, 54, 55,
1413 56, 57, 58, 59, 60, 61, 62, 63,
1414 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1415 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1416 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1417 'x', 'y', 'z', 91, 92, 93, 94, 95,
1418 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1419 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1420 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1421 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1422 128, 129, 130, 131, 132, 133, 134, 135,
1423 136, 137, 138, 139, 140, 141, 142, 143,
1424 144, 145, 146, 147, 148, 149, 150, 151,
1425 152, 153, 154, 155, 156, 157, 158, 159,
1426 160, 161, 162, 163, 164, 165, 166, 167,
1427 168, 169, 170, 171, 172, 173, 174, 175,
1428 176, 177, 178, 179, 180, 181, 182, 183,
1429 184, 185, 186, 187, 188, 189, 190, 191,
1430 192, 193, 194, 195, 196, 197, 198, 199,
1431 200, 201, 202, 203, 204, 205, 206, 207,
1432 208, 209, 210, 211, 212, 213, 214, 215,
1433 216, 217, 218, 219, 220, 221, 222, 223,
1434 224, 225, 226, 227, 228, 229, 230, 231,
1435 232, 233, 234, 235, 236, 237, 238, 239,
1436 240, 241, 242, 243, 244, 245, 246, 247,
1437 248, 249, 250, 251, 252, 253, 254, 255
1440 EXTCONST unsigned char fold[];
1444 EXT unsigned char fold_locale[] = {
1445 0, 1, 2, 3, 4, 5, 6, 7,
1446 8, 9, 10, 11, 12, 13, 14, 15,
1447 16, 17, 18, 19, 20, 21, 22, 23,
1448 24, 25, 26, 27, 28, 29, 30, 31,
1449 32, 33, 34, 35, 36, 37, 38, 39,
1450 40, 41, 42, 43, 44, 45, 46, 47,
1451 48, 49, 50, 51, 52, 53, 54, 55,
1452 56, 57, 58, 59, 60, 61, 62, 63,
1453 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1454 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1455 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1456 'x', 'y', 'z', 91, 92, 93, 94, 95,
1457 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1458 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1459 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1460 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1461 128, 129, 130, 131, 132, 133, 134, 135,
1462 136, 137, 138, 139, 140, 141, 142, 143,
1463 144, 145, 146, 147, 148, 149, 150, 151,
1464 152, 153, 154, 155, 156, 157, 158, 159,
1465 160, 161, 162, 163, 164, 165, 166, 167,
1466 168, 169, 170, 171, 172, 173, 174, 175,
1467 176, 177, 178, 179, 180, 181, 182, 183,
1468 184, 185, 186, 187, 188, 189, 190, 191,
1469 192, 193, 194, 195, 196, 197, 198, 199,
1470 200, 201, 202, 203, 204, 205, 206, 207,
1471 208, 209, 210, 211, 212, 213, 214, 215,
1472 216, 217, 218, 219, 220, 221, 222, 223,
1473 224, 225, 226, 227, 228, 229, 230, 231,
1474 232, 233, 234, 235, 236, 237, 238, 239,
1475 240, 241, 242, 243, 244, 245, 246, 247,
1476 248, 249, 250, 251, 252, 253, 254, 255
1479 EXT unsigned char fold_locale[];
1483 EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
1484 1, 2, 84, 151, 154, 155, 156, 157,
1485 165, 246, 250, 3, 158, 7, 18, 29,
1486 40, 51, 62, 73, 85, 96, 107, 118,
1487 129, 140, 147, 148, 149, 150, 152, 153,
1488 255, 182, 224, 205, 174, 176, 180, 217,
1489 233, 232, 236, 187, 235, 228, 234, 226,
1490 222, 219, 211, 195, 188, 193, 185, 184,
1491 191, 183, 201, 229, 181, 220, 194, 162,
1492 163, 208, 186, 202, 200, 218, 198, 179,
1493 178, 214, 166, 170, 207, 199, 209, 206,
1494 204, 160, 212, 216, 215, 192, 175, 173,
1495 243, 172, 161, 190, 203, 189, 164, 230,
1496 167, 248, 227, 244, 242, 255, 241, 231,
1497 240, 253, 169, 210, 245, 237, 249, 247,
1498 239, 168, 252, 251, 254, 238, 223, 221,
1499 213, 225, 177, 197, 171, 196, 159, 4,
1500 5, 6, 8, 9, 10, 11, 12, 13,
1501 14, 15, 16, 17, 19, 20, 21, 22,
1502 23, 24, 25, 26, 27, 28, 30, 31,
1503 32, 33, 34, 35, 36, 37, 38, 39,
1504 41, 42, 43, 44, 45, 46, 47, 48,
1505 49, 50, 52, 53, 54, 55, 56, 57,
1506 58, 59, 60, 61, 63, 64, 65, 66,
1507 67, 68, 69, 70, 71, 72, 74, 75,
1508 76, 77, 78, 79, 80, 81, 82, 83,
1509 86, 87, 88, 89, 90, 91, 92, 93,
1510 94, 95, 97, 98, 99, 100, 101, 102,
1511 103, 104, 105, 106, 108, 109, 110, 111,
1512 112, 113, 114, 115, 116, 117, 119, 120,
1513 121, 122, 123, 124, 125, 126, 127, 128,
1514 130, 131, 132, 133, 134, 135, 136, 137,
1515 138, 139, 141, 142, 143, 144, 145, 146
1518 EXTCONST unsigned char freq[];
1523 EXTCONST char* block_type[] = {
1532 EXTCONST char* block_type[];
1536 /*****************************************************************************/
1537 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1538 /*****************************************************************************/
1539 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1552 EXT U32 lex_state; /* next token is determined */
1553 EXT U32 lex_defer; /* state after determined token */
1554 EXT expectation lex_expect; /* expect after determined token */
1555 EXT I32 lex_brackets; /* bracket count */
1556 EXT I32 lex_formbrack; /* bracket count at outer format level */
1557 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1558 EXT I32 lex_casemods; /* casemod count */
1559 EXT I32 lex_dojoin; /* doing an array interpolation */
1560 EXT I32 lex_starts; /* how many interps done on level */
1561 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1562 EXT SV * lex_repl; /* runtime replacement from s/// */
1563 EXT OP * lex_op; /* extra info to pass back on op */
1564 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1565 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1566 EXT char * lex_brackstack; /* what kind of brackets to pop */
1567 EXT char * lex_casestack; /* what kind of case mods in effect */
1569 /* What we know when we're in LEX_KNOWNEXT state. */
1570 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1571 EXT I32 nexttype[5]; /* type of next token */
1574 EXT PerlIO * VOL rsfp INIT(Nullfp);
1577 EXT char * oldbufptr;
1578 EXT char * oldoldbufptr;
1580 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1581 EXT AV * rsfp_filters;
1583 EXT I32 multi_start; /* 1st line of multi-line string */
1584 EXT I32 multi_end; /* last line of multi-line string */
1585 EXT I32 multi_open; /* delimiter of said string */
1586 EXT I32 multi_close; /* delimiter of said string */
1589 EXT I32 error_count; /* how many errors so far, max 10 */
1590 EXT I32 subline; /* line this subroutine began on */
1591 EXT SV * subname; /* name of current subroutine */
1593 EXT CV * compcv; /* currently compiling subroutine */
1594 EXT AV * comppad; /* storage for lexically scoped temporaries */
1595 EXT AV * comppad_name; /* variable names for "my" variables */
1596 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1597 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1598 EXT I32 min_intro_pending;/* start of vars to introduce */
1599 EXT I32 max_intro_pending;/* end of vars to introduce */
1600 EXT I32 padix; /* max used index in current "register" pad */
1601 EXT I32 padix_floor; /* how low may inner block reset padix */
1602 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1605 EXT I32 thisexpr; /* name id for nothing_in_common() */
1606 EXT char * last_uni; /* position of last named-unary operator */
1607 EXT char * last_lop; /* position of last list operator */
1608 EXT OPCODE last_lop_op; /* last list operator */
1609 EXT bool in_my; /* we're compiling a "my" declaration */
1611 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1614 EXT U32 hints; /* various compilation flags */
1616 /* Note: the lowest 8 bits are reserved for
1617 stuffing into op->op_private */
1618 #define HINT_INTEGER 0x00000001
1619 #define HINT_STRICT_REFS 0x00000002
1621 #define HINT_BLOCK_SCOPE 0x00000100
1622 #define HINT_STRICT_SUBS 0x00000200
1623 #define HINT_STRICT_VARS 0x00000400
1624 #define HINT_LOCALE 0x00000800
1626 /**************************************************************************/
1627 /* This regexp stuff is global since it always happens within 1 expr eval */
1628 /**************************************************************************/
1630 EXT char * regprecomp; /* uncompiled string. */
1631 EXT char * regparse; /* Input-scan pointer. */
1632 EXT char * regxend; /* End of input for compile */
1633 EXT I32 regnpar; /* () count. */
1634 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1635 EXT I32 regsize; /* Code size. */
1636 EXT I32 regnaughty; /* How bad is this pattern? */
1637 EXT I32 regsawback; /* Did we see \1, ...? */
1639 EXT char * reginput; /* String-input pointer. */
1640 EXT char * regbol; /* Beginning of input, for ^ check. */
1641 EXT char * regeol; /* End of input, for $ check. */
1642 EXT char ** regstartp; /* Pointer to startp array. */
1643 EXT char ** regendp; /* Ditto for endp. */
1644 EXT U32 * reglastparen; /* Similarly for lastparen. */
1645 EXT char * regtill; /* How far we are required to go. */
1646 EXT U16 regflags; /* are we folding, multilining? */
1647 EXT char regprev; /* char before regbol, \n if none */
1649 EXT bool do_undump; /* -u or dump seen? */
1652 /***********************************************/
1653 /* Global only to current interpreter instance */
1654 /***********************************************/
1659 struct interpreter {
1662 #define IINIT(x) INIT(x)
1665 /* pseudo environmental stuff */
1667 IEXT char ** Iorigargv;
1671 IEXT char * Iorigfilename;
1673 IEXT SV * Iwarnhook;
1674 IEXT SV * Iparsehook;
1676 /* Various states of an input record separator SV (rs, nrs) */
1677 #define RsSNARF(sv) (! SvOK(sv))
1678 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1679 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1684 IEXT char Ipatchlevel[10];
1685 IEXT char ** Ilocalpatches;
1687 IEXT char * Isplitstr IINIT(" ");
1688 IEXT bool Ipreprocess;
1694 IEXT bool Idoswitches;
1696 IEXT bool Idoextract;
1697 IEXT bool Isawampersand; /* must save all match strings */
1698 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1701 IEXT char * Iinplace;
1702 IEXT char * Ie_tmpname;
1703 IEXT PerlIO * Ie_fp;
1705 /* This value may be raised by extensions for testing purposes */
1706 IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
1708 /* magical thingies */
1709 IEXT Time_t Ibasetime; /* $^T */
1710 IEXT SV * Iformfeed; /* $^L */
1711 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1712 IEXT SV * Irs; /* $/ */
1713 IEXT char * Iofs; /* $, */
1714 IEXT STRLEN Iofslen;
1715 IEXT char * Iors; /* $\ */
1716 IEXT STRLEN Iorslen;
1717 IEXT char * Iofmt; /* $# */
1718 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1719 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1720 IEXT I32 Istatusvalue; /* $? */
1722 IEXT U32 Istatusvalue_vms; /* $^S */
1725 IEXT struct stat Istatcache; /* _ */
1727 IEXT SV * Istatname IINIT(Nullsv);
1729 /* shortcuts to various I/O objects */
1731 IEXT GV * Ilast_in_gv;
1734 IEXT GV * Idefoutgv;
1735 IEXT GV * Iargvoutgv;
1737 /* shortcuts to regexp stuff */
1741 IEXT PMOP * Icurpm; /* what to do \ interps from */
1742 IEXT I32 * Iscreamfirst;
1743 IEXT I32 * Iscreamnext;
1744 IEXT I32 Imaxscream IINIT(-1);
1745 IEXT SV * Ilastscream;
1747 /* shortcuts to misc objects */
1750 /* shortcuts to debugging objects */
1754 IEXT SV * IDBsingle;
1756 IEXT SV * IDBsignal;
1757 IEXT AV * Ilineary; /* lines of script for debugger */
1758 IEXT AV * Idbargs; /* args to call listed by caller function */
1761 IEXT HV * Idefstash; /* main symbol table */
1762 IEXT HV * Icurstash; /* symbol table for current package */
1763 IEXT HV * Idebstash; /* symbol table for perldb package */
1764 IEXT SV * Icurstname; /* name of current package */
1765 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1766 IEXT AV * Iendav; /* names of END subroutines */
1767 IEXT HV * Istrtab; /* shared string table */
1769 /* memory management */
1770 IEXT SV ** Itmps_stack;
1771 IEXT I32 Itmps_ix IINIT(-1);
1772 IEXT I32 Itmps_floor IINIT(-1);
1774 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1775 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1776 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1777 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1779 /* funky return mechanisms */
1780 IEXT I32 Ilastspbase;
1782 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1784 /* subprocess state */
1785 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1787 /* internal state */
1788 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1789 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1790 IEXT int Idelaymagic; /* ($<,$>) = ... */
1791 IEXT bool Idirty; /* In the middle of tearing things down? */
1792 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1793 IEXT bool Itainted; /* using variables controlled by $< */
1794 IEXT bool Itainting; /* doing taint checks */
1795 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1799 IEXT I32 Idlmax IINIT(128);
1800 IEXT char * Idebname;
1801 IEXT char * Idebdelim;
1803 /* current interpreter roots */
1805 IEXT OP * Imain_root;
1806 IEXT OP * Imain_start;
1807 IEXT OP * Ieval_root;
1808 IEXT OP * Ieval_start;
1810 /* runtime control stuff */
1811 IEXT COP * VOL Icurcop IINIT(&compiling);
1812 IEXT COP * Icurcopdb IINIT(NULL);
1813 IEXT line_t Icopline IINIT(NOLINE);
1814 IEXT CONTEXT * Icxstack;
1815 IEXT I32 Icxstack_ix IINIT(-1);
1816 IEXT I32 Icxstack_max IINIT(128);
1817 IEXT Sigjmp_buf Itop_env;
1821 IEXT AV * Icurstack; /* THE STACK */
1822 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1823 IEXT SV ** Imystack_base; /* stack->array_ary */
1824 IEXT SV ** Imystack_sp; /* stack pointer now */
1825 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1827 /* format accumulators */
1828 IEXT SV * Iformtarget;
1829 IEXT SV * Ibodytarget;
1830 IEXT SV * Itoptarget;
1832 /* statics moved here for shared library purposes */
1833 IEXT SV Istrchop; /* return value from chop */
1834 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1835 IEXT int Ilastfd; /* what to preserve mode on */
1836 IEXT char * Ioldname; /* what to preserve mode on */
1837 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1838 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1839 IEXT OP * Isortcop; /* user defined sort routine */
1840 IEXT HV * Isortstash; /* which is in some package or other */
1841 IEXT GV * Ifirstgv; /* $a */
1842 IEXT GV * Isecondgv; /* $b */
1843 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1844 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1845 IEXT SV * Imystrk; /* temp key string for do_each() */
1846 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1847 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1848 IEXT I32 Igensym; /* next symbol for getsym() to define */
1849 IEXT bool Ipreambled;
1850 IEXT AV * Ipreambleav;
1851 IEXT int Ilaststatval IINIT(-1);
1852 IEXT I32 Ilaststype IINIT(OP_STAT);
1860 struct interpreter {
1874 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1875 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1877 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1878 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1885 /* The following must follow proto.h */
1889 EXT MGVTBL vtbl_sv = {magic_get,
1893 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1894 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1897 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1898 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1902 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1904 EXT MGVTBL vtbl_packelem = {magic_getpack,
1908 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1910 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1912 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1914 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1917 EXT MGVTBL vtbl_glob = {magic_getglob,
1920 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1922 EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1924 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1926 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1928 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1930 EXT MGVTBL vtbl_pos = {magic_getpos,
1933 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1935 EXT MGVTBL vtbl_fm = {0, magic_setfm,
1937 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1940 EXT MGVTBL vtbl_itervar = {magic_getitervar,magic_setitervar,
1941 0, 0, magic_freeitervar};
1943 #ifdef USE_LOCALE_COLLATE
1944 EXT MGVTBL vtbl_collxfrm = {0,
1950 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1951 0, 0, magic_setamagic};
1952 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1953 0, 0, magic_setamagic};
1954 #endif /* OVERLOAD */
1959 EXT MGVTBL vtbl_env;
1960 EXT MGVTBL vtbl_envelem;
1961 EXT MGVTBL vtbl_sig;
1962 EXT MGVTBL vtbl_sigelem;
1963 EXT MGVTBL vtbl_pack;
1964 EXT MGVTBL vtbl_packelem;
1965 EXT MGVTBL vtbl_dbline;
1966 EXT MGVTBL vtbl_isa;
1967 EXT MGVTBL vtbl_isaelem;
1968 EXT MGVTBL vtbl_arylen;
1969 EXT MGVTBL vtbl_glob;
1970 EXT MGVTBL vtbl_mglob;
1971 EXT MGVTBL vtbl_nkeys;
1972 EXT MGVTBL vtbl_taint;
1973 EXT MGVTBL vtbl_substr;
1974 EXT MGVTBL vtbl_vec;
1975 EXT MGVTBL vtbl_pos;
1978 EXT MGVTBL vtbl_uvar;
1979 EXT MGVTBL vtbl_itervar;
1981 #ifdef USE_LOCALE_COLLATE
1982 EXT MGVTBL vtbl_collxfrm;
1986 EXT MGVTBL vtbl_amagic;
1987 EXT MGVTBL vtbl_amagicelem;
1988 #endif /* OVERLOAD */
1990 #endif /* !DOINIT */
1994 EXT long amagic_generation;
1996 #define NofAMmeth 58
1998 EXTCONST char * AMG_names[NofAMmeth] = {
1999 "fallback", "abs", /* "fallback" should be the first. */
2030 EXTCONST char * AMG_names[NofAMmeth];
2031 #endif /* def INITAMAGIC */
2037 CV* table[NofAMmeth];
2040 struct am_table_short {
2045 typedef struct am_table AMT;
2046 typedef struct am_table_short AMTS;
2048 #define AMGfallNEVER 1
2050 #define AMGfallYES 3
2052 #define AMTf_AMAGIC 1
2053 #define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2054 #define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2055 #define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2058 fallback_amg, abs_amg,
2059 bool__amg, nomethod_amg,
2060 string_amg, numer_amg,
2061 add_amg, add_ass_amg,
2062 subtr_amg, subtr_ass_amg,
2063 mult_amg, mult_ass_amg,
2064 div_amg, div_ass_amg,
2065 mod_amg, mod_ass_amg,
2066 pow_amg, pow_ass_amg,
2067 lshift_amg, lshift_ass_amg,
2068 rshift_amg, rshift_ass_amg,
2069 band_amg, band_ass_amg,
2070 bor_amg, bor_ass_amg,
2071 bxor_amg, bxor_ass_amg,
2084 repeat_amg, repeat_ass_amg,
2085 concat_amg, concat_ass_amg,
2090 * some compilers like to redefine cos et alia as faster
2091 * (and less accurate?) versions called F_cos et cetera (Quidquid
2092 * latine dictum sit, altum viditur.) This trick collides with
2093 * the Perl overloading (amg). The following #defines fool both.
2098 # define F_atan2_amg atan2_amg
2101 # define F_cos_amg cos_amg
2104 # define F_exp_amg exp_amg
2107 # define F_log_amg log_amg
2110 # define F_pow_amg pow_amg
2113 # define F_sin_amg sin_amg
2116 # define F_sqrt_amg sqrt_amg
2118 #endif /* _FASTMATH */
2120 #endif /* OVERLOAD */
2122 #ifdef USE_LOCALE_COLLATE
2123 EXT U32 collation_ix; /* Collation generation index */
2124 EXT char * collation_name; /* Name of current collation */
2125 EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2126 EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2127 EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
2128 #endif /* USE_LOCALE_COLLATE */
2130 #ifdef USE_LOCALE_NUMERIC
2132 EXT char * numeric_name; /* Name of current numeric locale */
2133 EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2134 EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2136 #define SET_NUMERIC_STANDARD() \
2138 if (! numeric_standard) \
2139 perl_set_numeric_standard(); \
2142 #define SET_NUMERIC_LOCAL() \
2144 if (! numeric_local) \
2145 perl_set_numeric_local(); \
2148 #else /* !USE_LOCALE_NUMERIC */
2150 #define SET_NUMERIC_STANDARD() /**/
2151 #define SET_NUMERIC_LOCAL() /**/
2153 #endif /* !USE_LOCALE_NUMERIC */
2155 #if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2157 * Now we have __attribute__ out of the way
2160 #define printf PerlIO_stdoutf
2163 #endif /* Include guard */