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.
14 * STMT_START { statements; } STMT_END;
15 * can be used as a single statement, as in
16 * if (x) STMT_START { ... } STMT_END; else ...
18 * Trying to select a version that gives no warnings...
20 #if !(defined(STMT_START) && defined(STMT_END))
21 # if defined(__GNUC__) && !defined(__STRICT_ANSI__)
22 # define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
25 /* Now which other defined()s do we need here ??? */
26 # if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
27 # define STMT_START if (1)
28 # define STMT_END else (void)0
30 # define STMT_START do
31 # define STMT_END while (0)
42 # define BYTEORDER 0x1234
45 /* Overall memory policy? */
51 * The following contortions are brought to you on behalf of all the
52 * standards, semi-standards, de facto standards, not-so-de-facto standards
53 * of the world, as well as all the other botches anyone ever thought of.
54 * The basic theory is that if we work hard enough here, the rest of the
55 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
58 /* define this once if either system, instead of cluttering up the src */
59 #if defined(MSDOS) || defined(atarist)
63 #if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
67 #if defined(HASVOLATILE) || defined(STANDARD_C)
69 # define VOL // to temporarily suppress warnings
77 #define TAINT_IF(c) (tainted |= (c))
78 #define TAINT_NOT (tainted = 0)
79 #define TAINT_PROPER(s) if (tainting) taint_proper(no_security, s)
80 #define TAINT_ENV() if (tainting) taint_env()
84 # define BSD_GETPGRP(pid) getpgrp((pid))
87 # define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
91 # define BSD_GETPGRP(pid) getpgrp2((pid))
97 # define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
106 #ifdef USE_NEXT_CTYPE
108 #if NX_CURRENT_COMPILER_RELEASE >= 400
109 #include <objc/NXCType.h>
110 #else /* NX_CURRENT_COMPILER_RELEASE < 400 */
111 #include <appkit/NXCType.h>
112 #endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
114 #else /* !USE_NEXT_CTYPE */
116 #endif /* USE_NEXT_CTYPE */
122 #ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
129 # ifdef PARAM_NEEDS_TYPES
130 # include <sys/types.h>
132 # include <sys/param.h>
136 /* Use all the "standard" definitions? */
137 #if defined(STANDARD_C) && defined(I_STDLIB)
139 #endif /* STANDARD_C */
141 /* Maybe this comes after <stdlib.h> so we don't try to change
142 the standard library prototypes?. We'll use our own in
143 proto.h instead. I guess. The patch had no explanation.
146 # ifndef DONT_HIDEMYMALLOC
147 # define malloc Mymalloc
148 # define realloc Myremalloc
150 # define calloc Mycalloc
152 # define safemalloc malloc
153 # define saferealloc realloc
154 # define safefree free
155 # define safecalloc calloc
158 #define MEM_SIZE Size_t
160 #if defined(I_STRING) || defined(__cplusplus)
163 # include <strings.h>
166 #if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
168 #define strrchr rindex
171 #if defined(mips) && defined(ultrix) && !defined(__STDC__)
180 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
182 extern char * memcpy _((char*, char*, int));
188 # define memcpy(d,s,l) bcopy(s,d,l)
190 # define memcpy(d,s,l) my_bcopy(s,d,l)
193 #endif /* HAS_MEMCPY */
196 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
198 extern char *memset _((char*, int, int));
201 # define memzero(d,l) memset(d,0,l)
205 # define memzero(d,l) bzero(d,l)
207 # define memzero(d,l) my_bzero(d,l)
210 #endif /* HAS_MEMSET */
213 # if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
215 extern int memcmp _((char*, char*, int));
220 # define memcmp my_memcmp
222 #endif /* HAS_MEMCMP */
224 /* XXX we prefer bcmp slightly for comparisons that don't care about ordering */
227 # define bcmp(s1,s2,l) memcmp(s1,s2,l)
229 #endif /* HAS_BCMP */
231 #if !defined(HAS_MEMMOVE) && !defined(memmove)
232 # if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
233 # define memmove(d,s,l) bcopy(s,d,l)
235 # if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
236 # define memmove(d,s,l) memcpy(d,s,l)
238 # define memmove(d,s,l) my_bcopy(s,d,l)
243 #ifndef _TYPES_ /* If types.h defines this it's easy. */
244 # ifndef major /* Does everyone's types.h define this? */
245 # include <sys/types.h>
250 # include <netinet/in.h>
254 #include <sys/stat.h>
257 /* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
258 like UTekV) are broken, sometimes giving false positives. Undefine
259 them here and let the code below set them to proper values.
261 The ghs macro stands for GreenHills Software C-1.8.5 which
262 is the C compiler for sysV88 and the various derivatives.
263 This header file bug is corrected in gcc-2.5.8 and later versions.
264 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
266 #if defined(uts) || (defined(m88k) && defined(ghs))
280 # ifdef I_SYS_TIME_KERNEL
283 # include <sys/time.h>
284 # ifdef I_SYS_TIME_KERNEL
290 # if defined(HAS_TIMES) && defined(I_SYS_TIMES)
291 # include <sys/times.h>
295 #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
301 # define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
303 #endif /* !HAS_MKFIFO */
308 # include <net/errno.h>
312 # define FIXSTATUS(sts) (U_L((sts) & 0xffff))
313 # define SHIFTSTATUS(sts) ((sts) >> 8)
314 # define SETERRNO(errcode,vmserrcode) errno = (errcode)
316 # define FIXSTATUS(sts) (U_L(sts))
317 # define SHIFTSTATUS(sts) (sts)
318 # define SETERRNO(errcode,vmserrcode) STMT_START {set_errno(errcode); set_vaxc_errno(vmserrcode);} STMT_END
323 extern int errno; /* ANSI allows errno to be an lvalue expr */
329 char *strerror _((int,...));
331 char *strerror _((int));
334 # define Strerror strerror
337 # ifdef HAS_SYS_ERRLIST
339 extern char *sys_errlist[];
341 # define Strerror(e) \
342 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
349 # include <sys/ioctl.h>
353 #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
354 # ifdef HAS_SOCKETPAIR
355 # undef HAS_SOCKETPAIR
370 /* Configure already sets Direntry_t */
371 #if defined(I_DIRENT)
373 # if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
374 # include <sys/dir.h>
378 # include <sys/ndir.h>
382 # include <ndir.h> /* may be wrong in the future */
384 # include <sys/dir.h>
391 /* work around botch in SunOS 4.0.1 and 4.0.2 */
393 # define fputs(sv,fp) fprintf(fp,"%s",sv)
398 * The following gobbledygook brought to you on behalf of __STDC__.
399 * (I could just use #ifndef __STDC__, but this is more bulletproof
400 * in the face of half-implementations.)
405 # define S_IFMT _S_IFMT
407 # define S_IFMT 0170000
412 # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
416 # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
421 # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
423 # define S_ISBLK(m) (0)
428 # define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
433 # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
435 # define S_ISFIFO(m) (0)
441 # define S_ISLNK(m) _S_ISLNK(m)
444 # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
447 # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
449 # define S_ISLNK(m) (0)
457 # define S_ISSOCK(m) _S_ISSOCK(m)
460 # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
463 # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
465 # define S_ISSOCK(m) (0)
473 # define S_IRUSR S_IREAD
474 # define S_IWUSR S_IWRITE
475 # define S_IXUSR S_IEXEC
477 # define S_IRUSR 0400
478 # define S_IWUSR 0200
479 # define S_IXUSR 0100
481 # define S_IRGRP (S_IRUSR>>3)
482 # define S_IWGRP (S_IWUSR>>3)
483 # define S_IXGRP (S_IXUSR>>3)
484 # define S_IROTH (S_IRUSR>>6)
485 # define S_IWOTH (S_IWUSR>>6)
486 # define S_IXOTH (S_IXUSR>>6)
490 # define S_ISUID 04000
494 # define S_ISGID 02000
501 #if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
502 # define SLOPPYDIVIDE
505 #if defined(cray) || defined(convex) || BYTEORDER > 0xffff
518 # define Quad_t long long
524 typedef unsigned Quad_t UV;
527 typedef unsigned long UV;
530 typedef MEM_SIZE STRLEN;
532 typedef struct op OP;
533 typedef struct cop COP;
534 typedef struct unop UNOP;
535 typedef struct binop BINOP;
536 typedef struct listop LISTOP;
537 typedef struct logop LOGOP;
538 typedef struct condop CONDOP;
539 typedef struct pmop PMOP;
540 typedef struct svop SVOP;
541 typedef struct gvop GVOP;
542 typedef struct pvop PVOP;
543 typedef struct loop LOOP;
545 typedef struct Outrec Outrec;
546 typedef struct interpreter PerlInterpreter;
547 typedef struct ff FF;
548 typedef struct sv SV;
549 typedef struct av AV;
550 typedef struct hv HV;
551 typedef struct cv CV;
552 typedef struct regexp REGEXP;
553 typedef struct gp GP;
554 typedef struct gv GV;
555 typedef struct io IO;
556 typedef struct context CONTEXT;
557 typedef struct block BLOCK;
559 typedef struct magic MAGIC;
560 typedef struct xrv XRV;
561 typedef struct xpv XPV;
562 typedef struct xpviv XPVIV;
563 typedef struct xpvnv XPVNV;
564 typedef struct xpvmg XPVMG;
565 typedef struct xpvlv XPVLV;
566 typedef struct xpvav XPVAV;
567 typedef struct xpvhv XPVHV;
568 typedef struct xpvgv XPVGV;
569 typedef struct xpvcv XPVCV;
570 typedef struct xpvbm XPVBM;
571 typedef struct xpvfm XPVFM;
572 typedef struct xpvio XPVIO;
573 typedef struct mgvtbl MGVTBL;
574 typedef union any ANY;
578 typedef I32 (*filter_t) _((int, SV *, int));
579 #define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
580 #define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
581 #define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
594 # include "./plan9/plan9ish.h"
596 # include "unixish.h"
601 #ifndef SH_PATH /* May be a variable. */
602 # define SH_PATH BIN_SH
606 #define pause() sleep((32767<<16)+32767)
611 /* on BSDish systes we're safe */
612 # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
614 /* otherwise guess at what's safe */
615 # define IOCPARM_LEN(x) 256
624 void (*any_dptr) _((void*));
641 /* work around some libPW problems */
646 #if defined(iAPX286) || defined(M_I286) || defined(I80286)
650 #if defined(htonl) && !defined(HAS_HTONL)
653 #if defined(htons) && !defined(HAS_HTONS)
656 #if defined(ntohl) && !defined(HAS_NTOHL)
659 #if defined(ntohs) && !defined(HAS_NTOHS)
663 #if (BYTEORDER & 0xffff) != 0x4321
669 #define htons my_swap
670 #define htonl my_htonl
671 #define ntohs my_swap
672 #define ntohl my_ntohl
675 #if (BYTEORDER & 0xffff) == 0x4321
684 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
687 #if BYTEORDER != 0x1234
692 # if BYTEORDER == 0x4321
693 # define vtohl(x) ((((x)&0xFF)<<24) \
695 +(((x)&0x0000FF00)<<8) \
696 +(((x)&0x00FF0000)>>8) )
697 # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
698 # define htovl(x) vtohl(x)
699 # define htovs(x) vtohs(x)
701 /* otherwise default to functions in util.c */
705 #define U_S(what) ((U16)(what))
706 #define U_I(what) ((unsigned int)(what))
707 #define U_L(what) ((U32)(what))
709 U32 cast_ulong _((double));
710 #define U_S(what) ((U16)cast_ulong((double)(what)))
711 #define U_I(what) ((unsigned int)cast_ulong((double)(what)))
712 #define U_L(what) (cast_ulong((double)(what)))
716 #define I_32(what) ((I32)(what))
717 #define I_V(what) ((IV)(what))
718 #define U_V(what) ((UV)(what))
720 I32 cast_i32 _((double));
721 #define I_32(what) (cast_i32((double)(what)))
722 IV cast_iv _((double));
723 #define I_V(what) (cast_iv((double)(what)))
724 UV cast_uv _((double));
725 #define U_V(what) (cast_uv((double)(what)))
739 # define TMPPATH "/tmp/perl-eXXXXXX"
743 Uid_t getuid _((void));
744 Uid_t geteuid _((void));
745 Gid_t getgid _((void));
746 Gid_t getegid _((void));
750 #ifndef Perl_debug_log
751 #define Perl_debug_log stderr
755 #define DEBUG(a) if (debug) a
756 #define DEBUG_p(a) if (debug & 1) a
757 #define DEBUG_s(a) if (debug & 2) a
758 #define DEBUG_l(a) if (debug & 4) a
759 #define DEBUG_t(a) if (debug & 8) a
760 #define DEBUG_o(a) if (debug & 16) a
761 #define DEBUG_c(a) if (debug & 32) a
762 #define DEBUG_P(a) if (debug & 64) a
763 #define DEBUG_m(a) if (curinterp && debug & 128) a
764 #define DEBUG_f(a) if (debug & 256) a
765 #define DEBUG_r(a) if (debug & 512) a
766 #define DEBUG_x(a) if (debug & 1024) a
767 #define DEBUG_u(a) if (debug & 2048) a
768 #define DEBUG_L(a) if (debug & 4096) a
769 #define DEBUG_H(a) if (debug & 8192) a
770 #define DEBUG_X(a) if (debug & 16384) a
771 #define DEBUG_D(a) if (debug & 32768) a
792 #define YYMAXDEPTH 300
794 #define assert(what) DEB( { \
796 croak("Assertion failed: file \"%s\", line %d", \
797 __FILE__, __LINE__); \
802 I32 (*uf_val)_((IV, SV*));
803 I32 (*uf_set)_((IV, SV*));
807 /* Fix these up for __STDC__ */
809 char *mktemp _((char*));
810 double atof _((const char*));
814 /* All of these are in stdlib.h or time.h for ANSI C */
816 struct tm *gmtime(), *localtime();
817 char *strchr(), *strrchr();
818 char *strcpy(), *strcat();
819 #endif /* ! STANDARD_C */
828 double exp _((double));
829 double log _((double));
830 double sqrt _((double));
831 double modf _((double,double*));
832 double sin _((double));
833 double cos _((double));
834 double atan2 _((double,double));
835 double pow _((double,double));
842 char *crypt _((const char*, const char*));
843 char *getenv _((const char*));
844 Off_t lseek _((int,Off_t,int));
845 char *getlogin _((void));
848 #ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
850 I32 unlnk _((char*));
852 #define UNLINK unlink
856 # ifdef HAS_SETRESUID
857 # define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
858 # define HAS_SETREUID
862 # ifdef HAS_SETRESGID
863 # define setregid(r,e) setresgid(r,e,(Gid_t)-1)
864 # define HAS_SETREGID
877 # ifndef DEBUGGING_MSTATS
878 # define DEBUGGING_MSTATS
881 # define PAD_SV(po) pad_sv(po)
883 # define PAD_SV(po) curpad[po]
891 EXT PerlInterpreter * curinterp; /* currently running interpreter */
892 /* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
893 #if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
894 extern char ** environ; /* environment variables supplied via exec */
896 # if defined(NeXT) && defined(__DYNAMIC__)
898 # include <mach-o/dyld.h>
899 EXT char *** environ_pointer;
900 # define environ (*environ_pointer)
902 #endif /* environ processing */
904 EXT int uid; /* current real user id */
905 EXT int euid; /* current effective user id */
906 EXT int gid; /* current real group id */
907 EXT int egid; /* current effective group id */
908 EXT bool nomemok; /* let malloc context handle nomem */
909 EXT U32 an; /* malloc sequence number */
910 EXT U32 cop_seqmax; /* statement sequence number */
911 EXT U16 op_seqmax; /* op sequence number */
912 EXT U32 evalseq; /* eval sequence number */
913 EXT U32 sub_generation; /* inc to force methods to be looked up again */
914 EXT char ** origenviron;
916 EXT U32 * profiledata;
917 EXT int maxo INIT(MAXO);/* Number of ops */
918 EXT char * osname; /* operating system */
920 EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
921 EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
922 EXT double * xnv_root; /* free xnv list--shared by interpreters */
923 EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
924 EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
925 EXT HE * he_root; /* free he list--shared by interpreters */
926 EXT char * nice_chunk; /* a nice chunk of memory to reuse */
927 EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
929 /* Stack for currently executing thread--context switch must handle this. */
930 EXT SV ** stack_base; /* stack->array_ary */
931 EXT SV ** stack_sp; /* stack pointer now */
932 EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
934 /* likewise for these */
936 EXT OP * op; /* current op--oughta be in a global register */
938 EXT I32 * scopestack; /* blocks we've entered */
939 EXT I32 scopestack_ix;
940 EXT I32 scopestack_max;
942 EXT ANY* savestack; /* to save non-local values on */
943 EXT I32 savestack_ix;
944 EXT I32 savestack_max;
946 EXT OP ** retstack; /* returns we've pushed */
948 EXT I32 retstack_max;
950 EXT I32 * markstack; /* stackmarks we're remembering */
951 EXT I32 * markstack_ptr; /* stackmarks we're remembering */
952 EXT I32 * markstack_max; /* stackmarks we're remembering */
959 EXT char buf[2048]; /* should be longer than PATH_MAX */
960 EXT char tokenbuf[256];
961 EXT struct stat statbuf;
963 EXT struct tms timesbuf;
965 EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
967 /* for tmp use in stupid debuggers */
972 /* handy constants */
973 EXT char * Yes INIT("1");
974 EXT char * No INIT("");
975 EXT char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
976 EXT char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
977 EXT char * vert INIT("|");
979 EXT char warn_uninit[]
980 INIT("Use of uninitialized value");
981 EXT char warn_nosemi[]
982 INIT("Semicolon seems to be missing");
983 EXT char warn_reserved[]
984 INIT("Unquoted string \"%s\" may clash with future reserved word");
986 INIT("Unsuccessful %s on filename containing newline");
987 EXT char no_wrongref[]
988 INIT("Can't use %s ref as %s ref");
990 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
992 INIT("Can't use an undefined value as %s reference");
994 INIT("Modification of non-creatable array value attempted, subscript %d");
996 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
998 INIT("Modification of a read-only value attempted");
1000 INIT("Out of memory!\n");
1001 EXT char no_security[]
1002 INIT("Insecure dependency in %s%s");
1003 EXT char no_sock_func[]
1004 INIT("Unsupported socket function \"%s\" called");
1005 EXT char no_dir_func[]
1006 INIT("Unsupported directory function \"%s\" called");
1008 INIT("The %s function is unimplemented");
1009 EXT char no_myglob[]
1010 INIT("\"my\" variable %s can't be in a package");
1016 EXT char * cshname INIT(CSH);
1021 EXT char *sig_name[] = { SIG_NAME };
1022 EXT int sig_num[] = { SIG_NUM };
1023 EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1024 EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
1026 EXT char *sig_name[];
1028 EXT SV * psig_ptr[];
1029 EXT SV * psig_name[];
1033 EXT unsigned char fold[] = { /* fast case folding table */
1034 0, 1, 2, 3, 4, 5, 6, 7,
1035 8, 9, 10, 11, 12, 13, 14, 15,
1036 16, 17, 18, 19, 20, 21, 22, 23,
1037 24, 25, 26, 27, 28, 29, 30, 31,
1038 32, 33, 34, 35, 36, 37, 38, 39,
1039 40, 41, 42, 43, 44, 45, 46, 47,
1040 48, 49, 50, 51, 52, 53, 54, 55,
1041 56, 57, 58, 59, 60, 61, 62, 63,
1042 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1043 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1044 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1045 'x', 'y', 'z', 91, 92, 93, 94, 95,
1046 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1047 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1048 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1049 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1050 128, 129, 130, 131, 132, 133, 134, 135,
1051 136, 137, 138, 139, 140, 141, 142, 143,
1052 144, 145, 146, 147, 148, 149, 150, 151,
1053 152, 153, 154, 155, 156, 157, 158, 159,
1054 160, 161, 162, 163, 164, 165, 166, 167,
1055 168, 169, 170, 171, 172, 173, 174, 175,
1056 176, 177, 178, 179, 180, 181, 182, 183,
1057 184, 185, 186, 187, 188, 189, 190, 191,
1058 192, 193, 194, 195, 196, 197, 198, 199,
1059 200, 201, 202, 203, 204, 205, 206, 207,
1060 208, 209, 210, 211, 212, 213, 214, 215,
1061 216, 217, 218, 219, 220, 221, 222, 223,
1062 224, 225, 226, 227, 228, 229, 230, 231,
1063 232, 233, 234, 235, 236, 237, 238, 239,
1064 240, 241, 242, 243, 244, 245, 246, 247,
1065 248, 249, 250, 251, 252, 253, 254, 255
1068 EXT unsigned char fold[];
1072 EXT unsigned char freq[] = { /* letter frequencies for mixed English/C */
1073 1, 2, 84, 151, 154, 155, 156, 157,
1074 165, 246, 250, 3, 158, 7, 18, 29,
1075 40, 51, 62, 73, 85, 96, 107, 118,
1076 129, 140, 147, 148, 149, 150, 152, 153,
1077 255, 182, 224, 205, 174, 176, 180, 217,
1078 233, 232, 236, 187, 235, 228, 234, 226,
1079 222, 219, 211, 195, 188, 193, 185, 184,
1080 191, 183, 201, 229, 181, 220, 194, 162,
1081 163, 208, 186, 202, 200, 218, 198, 179,
1082 178, 214, 166, 170, 207, 199, 209, 206,
1083 204, 160, 212, 216, 215, 192, 175, 173,
1084 243, 172, 161, 190, 203, 189, 164, 230,
1085 167, 248, 227, 244, 242, 255, 241, 231,
1086 240, 253, 169, 210, 245, 237, 249, 247,
1087 239, 168, 252, 251, 254, 238, 223, 221,
1088 213, 225, 177, 197, 171, 196, 159, 4,
1089 5, 6, 8, 9, 10, 11, 12, 13,
1090 14, 15, 16, 17, 19, 20, 21, 22,
1091 23, 24, 25, 26, 27, 28, 30, 31,
1092 32, 33, 34, 35, 36, 37, 38, 39,
1093 41, 42, 43, 44, 45, 46, 47, 48,
1094 49, 50, 52, 53, 54, 55, 56, 57,
1095 58, 59, 60, 61, 63, 64, 65, 66,
1096 67, 68, 69, 70, 71, 72, 74, 75,
1097 76, 77, 78, 79, 80, 81, 82, 83,
1098 86, 87, 88, 89, 90, 91, 92, 93,
1099 94, 95, 97, 98, 99, 100, 101, 102,
1100 103, 104, 105, 106, 108, 109, 110, 111,
1101 112, 113, 114, 115, 116, 117, 119, 120,
1102 121, 122, 123, 124, 125, 126, 127, 128,
1103 130, 131, 132, 133, 134, 135, 136, 137,
1104 138, 139, 141, 142, 143, 144, 145, 146
1107 EXT unsigned char freq[];
1112 EXT char* block_type[] = {
1121 EXT char* block_type[];
1125 /*****************************************************************************/
1126 /* This lexer/parser stuff is currently global since yacc is hard to reenter */
1127 /*****************************************************************************/
1128 /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
1141 EXT U32 lex_state; /* next token is determined */
1142 EXT U32 lex_defer; /* state after determined token */
1143 EXT expectation lex_expect; /* expect after determined token */
1144 EXT I32 lex_brackets; /* bracket count */
1145 EXT I32 lex_formbrack; /* bracket count at outer format level */
1146 EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1147 EXT I32 lex_casemods; /* casemod count */
1148 EXT I32 lex_dojoin; /* doing an array interpolation */
1149 EXT I32 lex_starts; /* how many interps done on level */
1150 EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1151 EXT SV * lex_repl; /* runtime replacement from s/// */
1152 EXT OP * lex_op; /* extra info to pass back on op */
1153 EXT OP * lex_inpat; /* in pattern $) and $| are special */
1154 EXT I32 lex_inwhat; /* what kind of quoting are we in */
1155 EXT char * lex_brackstack; /* what kind of brackets to pop */
1156 EXT char * lex_casestack; /* what kind of case mods in effect */
1158 /* What we know when we're in LEX_KNOWNEXT state. */
1159 EXT YYSTYPE nextval[5]; /* value of next token, if any */
1160 EXT I32 nexttype[5]; /* type of next token */
1163 EXT FILE * VOL rsfp INIT(Nullfp);
1166 EXT char * oldbufptr;
1167 EXT char * oldoldbufptr;
1169 EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
1170 EXT AV * rsfp_filters;
1172 EXT I32 multi_start; /* 1st line of multi-line string */
1173 EXT I32 multi_end; /* last line of multi-line string */
1174 EXT I32 multi_open; /* delimiter of said string */
1175 EXT I32 multi_close; /* delimiter of said string */
1178 EXT I32 error_count; /* how many errors so far, max 10 */
1179 EXT I32 subline; /* line this subroutine began on */
1180 EXT SV * subname; /* name of current subroutine */
1182 EXT CV * compcv; /* currently compiling subroutine */
1183 EXT AV * comppad; /* storage for lexically scoped temporaries */
1184 EXT AV * comppad_name; /* variable names for "my" variables */
1185 EXT I32 comppad_name_fill;/* last "introduced" variable offset */
1186 EXT I32 comppad_name_floor;/* start of vars in innermost block */
1187 EXT I32 min_intro_pending;/* start of vars to introduce */
1188 EXT I32 max_intro_pending;/* end of vars to introduce */
1189 EXT I32 padix; /* max used index in current "register" pad */
1190 EXT I32 padix_floor; /* how low may inner block reset padix */
1191 EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
1194 EXT I32 thisexpr; /* name id for nothing_in_common() */
1195 EXT char * last_uni; /* position of last named-unary operator */
1196 EXT char * last_lop; /* position of last list operator */
1197 EXT OPCODE last_lop_op; /* last list operator */
1198 EXT bool in_my; /* we're compiling a "my" declaration */
1200 EXT I32 cryptseen; /* has fast crypt() been initialized? */
1203 EXT U32 hints; /* various compilation flags */
1205 /* Note: the lowest 8 bits are reserved for
1206 stuffing into op->op_private */
1207 #define HINT_INTEGER 0x00000001
1208 #define HINT_STRICT_REFS 0x00000002
1210 #define HINT_BLOCK_SCOPE 0x00000100
1211 #define HINT_STRICT_SUBS 0x00000200
1212 #define HINT_STRICT_VARS 0x00000400
1213 #define HINT_STRICT_UNTIE 0x00000800
1215 /**************************************************************************/
1216 /* This regexp stuff is global since it always happens within 1 expr eval */
1217 /**************************************************************************/
1219 EXT char * regprecomp; /* uncompiled string. */
1220 EXT char * regparse; /* Input-scan pointer. */
1221 EXT char * regxend; /* End of input for compile */
1222 EXT I32 regnpar; /* () count. */
1223 EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */
1224 EXT I32 regsize; /* Code size. */
1225 EXT I32 regnaughty; /* How bad is this pattern? */
1226 EXT I32 regsawback; /* Did we see \1, ...? */
1228 EXT char * reginput; /* String-input pointer. */
1229 EXT char * regbol; /* Beginning of input, for ^ check. */
1230 EXT char * regeol; /* End of input, for $ check. */
1231 EXT char ** regstartp; /* Pointer to startp array. */
1232 EXT char ** regendp; /* Ditto for endp. */
1233 EXT U32 * reglastparen; /* Similarly for lastparen. */
1234 EXT char * regtill; /* How far we are required to go. */
1235 EXT U16 regflags; /* are we folding, multilining? */
1236 EXT char regprev; /* char before regbol, \n if none */
1238 /***********************************************/
1239 /* Global only to current interpreter instance */
1240 /***********************************************/
1245 struct interpreter {
1248 #define IINIT(x) INIT(x)
1251 /* pseudo environmental stuff */
1253 IEXT char ** Iorigargv;
1257 IEXT char * Iorigfilename;
1259 IEXT SV * Iwarnhook;
1260 IEXT SV * Iparsehook;
1262 /* Various states of an input record separator SV (rs, nrs) */
1263 #define RsSNARF(sv) (! SvOK(sv))
1264 #define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1265 #define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1270 IEXT char Ipatchlevel[10];
1271 IEXT char ** Ilocalpatches;
1273 IEXT char * Isplitstr IINIT(" ");
1274 IEXT bool Ipreprocess;
1280 IEXT bool Idoswitches;
1282 IEXT bool Idoextract;
1283 IEXT bool Isawampersand; /* must save all match strings */
1284 IEXT bool Isawstudy; /* do fbm_instr on all strings */
1285 IEXT bool Isawi; /* study must assume case insensitive */
1288 IEXT bool Ido_undump; /* -u or dump seen? */
1289 IEXT char * Iinplace;
1290 IEXT char * Ie_tmpname;
1292 IEXT VOL U32 Idebug;
1294 /* This value may be raised by extensions for testing purposes */
1295 IEXT int Iperl_destruct_level; /* 0=none, 1=full, 2=full with checks */
1297 /* magical thingies */
1298 IEXT Time_t Ibasetime; /* $^T */
1299 IEXT SV * Iformfeed; /* $^L */
1300 IEXT char * Ichopset IINIT(" \n-"); /* $: */
1301 IEXT SV * Irs; /* $/ */
1302 IEXT char * Iofs; /* $, */
1303 IEXT STRLEN Iofslen;
1304 IEXT char * Iors; /* $\ */
1305 IEXT STRLEN Iorslen;
1306 IEXT char * Iofmt; /* $# */
1307 IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
1308 IEXT int Imultiline; /* $*--do strings hold >1 line? */
1309 IEXT U32 Istatusvalue; /* $? */
1311 IEXT struct stat Istatcache; /* _ */
1313 IEXT SV * Istatname IINIT(Nullsv);
1315 /* shortcuts to various I/O objects */
1317 IEXT GV * Ilast_in_gv;
1320 IEXT GV * Idefoutgv;
1321 IEXT GV * Iargvoutgv;
1323 /* shortcuts to regexp stuff */
1327 IEXT PMOP * Icurpm; /* what to do \ interps from */
1328 IEXT I32 * Iscreamfirst;
1329 IEXT I32 * Iscreamnext;
1330 IEXT I32 Imaxscream IINIT(-1);
1331 IEXT SV * Ilastscream;
1333 /* shortcuts to misc objects */
1336 /* shortcuts to debugging objects */
1340 IEXT SV * IDBsingle;
1342 IEXT SV * IDBsignal;
1343 IEXT AV * Ilineary; /* lines of script for debugger */
1344 IEXT AV * Idbargs; /* args to call listed by caller function */
1347 IEXT HV * Idefstash; /* main symbol table */
1348 IEXT HV * Icurstash; /* symbol table for current package */
1349 IEXT HV * Idebstash; /* symbol table for perldb package */
1350 IEXT SV * Icurstname; /* name of current package */
1351 IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1352 IEXT AV * Iendav; /* names of END subroutines */
1353 IEXT HV * Istrtab; /* shared string table */
1355 /* memory management */
1356 IEXT SV ** Itmps_stack;
1357 IEXT I32 Itmps_ix IINIT(-1);
1358 IEXT I32 Itmps_floor IINIT(-1);
1360 IEXT I32 Isv_count; /* how many SV* are currently allocated */
1361 IEXT I32 Isv_objcount; /* how many objects are currently allocated */
1362 IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1363 IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
1365 /* funky return mechanisms */
1366 IEXT I32 Ilastspbase;
1368 IEXT int Iforkprocess; /* so do_open |- can return proc# */
1370 /* subprocess state */
1371 IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
1372 IEXT HV * Ipidstatus; /* keep pid-to-status mappings for waitpid */
1374 /* internal state */
1375 IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1376 IEXT OP * Irestartop; /* Are we propagating an error from croak? */
1377 IEXT int Idelaymagic; /* ($<,$>) = ... */
1378 IEXT bool Idirty; /* In the middle of tearing things down? */
1379 IEXT U8 Ilocalizing; /* are we processing a local() list? */
1380 IEXT bool Itainted; /* using variables controlled by $< */
1381 IEXT bool Itainting; /* doing taint checks */
1382 IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
1386 IEXT I32 Idlmax IINIT(128);
1387 IEXT char * Idebname;
1388 IEXT char * Idebdelim;
1390 /* current interpreter roots */
1392 IEXT OP * Imain_root;
1393 IEXT OP * Imain_start;
1394 IEXT OP * Ieval_root;
1395 IEXT OP * Ieval_start;
1397 /* runtime control stuff */
1398 IEXT COP * VOL Icurcop IINIT(&compiling);
1399 IEXT COP * Icurcopdb IINIT(NULL);
1400 IEXT line_t Icopline IINIT(NOLINE);
1401 IEXT CONTEXT * Icxstack;
1402 IEXT I32 Icxstack_ix IINIT(-1);
1403 IEXT I32 Icxstack_max IINIT(128);
1404 IEXT Sigjmp_buf Itop_env;
1408 IEXT AV * Icurstack; /* THE STACK */
1409 IEXT AV * Imainstack; /* the stack when nothing funny is happening */
1410 IEXT SV ** Imystack_base; /* stack->array_ary */
1411 IEXT SV ** Imystack_sp; /* stack pointer now */
1412 IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */
1414 /* format accumulators */
1415 IEXT SV * Iformtarget;
1416 IEXT SV * Ibodytarget;
1417 IEXT SV * Itoptarget;
1419 /* statics moved here for shared library purposes */
1420 IEXT SV Istrchop; /* return value from chop */
1421 IEXT int Ifilemode; /* so nextargv() can preserve mode */
1422 IEXT int Ilastfd; /* what to preserve mode on */
1423 IEXT char * Ioldname; /* what to preserve mode on */
1424 IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1425 IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1426 IEXT OP * Isortcop; /* user defined sort routine */
1427 IEXT HV * Isortstash; /* which is in some package or other */
1428 IEXT GV * Ifirstgv; /* $a */
1429 IEXT GV * Isecondgv; /* $b */
1430 IEXT AV * Isortstack; /* temp stack during pp_sort() */
1431 IEXT AV * Isignalstack; /* temp stack during sighandler() */
1432 IEXT SV * Imystrk; /* temp key string for do_each() */
1433 IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
1434 IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1435 IEXT I32 Igensym; /* next symbol for getsym() to define */
1436 IEXT bool Ipreambled;
1437 IEXT AV * Ipreambleav;
1438 IEXT int Ilaststatval IINIT(-1);
1439 IEXT I32 Ilaststype IINIT(OP_STAT);
1447 struct interpreter {
1465 # include <stdarg.h>
1468 # include <varargs.h>
1475 #define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1476 #define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1478 #define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1479 #define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1486 /* The following must follow proto.h */
1489 EXT MGVTBL vtbl_sv = {magic_get,
1493 EXT MGVTBL vtbl_env = {0, 0, 0, 0, 0};
1494 EXT MGVTBL vtbl_envelem = {0, magic_setenv,
1497 EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
1498 EXT MGVTBL vtbl_sigelem = {magic_getsig,
1502 EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
1504 EXT MGVTBL vtbl_packelem = {magic_getpack,
1508 EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
1510 EXT MGVTBL vtbl_isa = {0, magic_setisa,
1512 EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
1514 EXT MGVTBL vtbl_arylen = {magic_getarylen,
1517 EXT MGVTBL vtbl_glob = {magic_getglob,
1520 EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
1522 EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
1524 EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
1526 EXT MGVTBL vtbl_vec = {0, magic_setvec,
1528 EXT MGVTBL vtbl_pos = {magic_getpos,
1531 EXT MGVTBL vtbl_bm = {0, magic_setbm,
1533 EXT MGVTBL vtbl_uvar = {magic_getuvar,
1538 EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
1539 0, 0, magic_setamagic};
1540 EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
1541 0, 0, magic_setamagic};
1542 #endif /* OVERLOAD */
1546 EXT MGVTBL vtbl_env;
1547 EXT MGVTBL vtbl_envelem;
1548 EXT MGVTBL vtbl_sig;
1549 EXT MGVTBL vtbl_sigelem;
1550 EXT MGVTBL vtbl_pack;
1551 EXT MGVTBL vtbl_packelem;
1552 EXT MGVTBL vtbl_dbline;
1553 EXT MGVTBL vtbl_isa;
1554 EXT MGVTBL vtbl_isaelem;
1555 EXT MGVTBL vtbl_arylen;
1556 EXT MGVTBL vtbl_glob;
1557 EXT MGVTBL vtbl_mglob;
1558 EXT MGVTBL vtbl_taint;
1559 EXT MGVTBL vtbl_substr;
1560 EXT MGVTBL vtbl_vec;
1561 EXT MGVTBL vtbl_pos;
1563 EXT MGVTBL vtbl_uvar;
1566 EXT MGVTBL vtbl_amagic;
1567 EXT MGVTBL vtbl_amagicelem;
1568 #endif /* OVERLOAD */
1573 EXT long amagic_generation;
1575 #define NofAMmeth 29
1577 EXT char * AMG_names[NofAMmeth][2] = {
1579 {"bool", "nomethod"},
1609 EXT char * AMG_names[NofAMmeth][2];
1610 #endif /* def INITAMAGIC */
1615 CV* table[NofAMmeth*2];
1618 typedef struct am_table AMT;
1620 #define AMGfallNEVER 1
1622 #define AMGfallYES 3
1625 fallback_amg, abs_amg,
1626 bool__amg, nomethod_amg,
1627 string_amg, numer_amg,
1628 add_amg, add_ass_amg,
1629 subtr_amg, subtr_ass_amg,
1630 mult_amg, mult_ass_amg,
1631 div_amg, div_ass_amg,
1632 mod_amg, mod_ass_amg,
1633 pow_amg, pow_ass_amg,
1634 lshift_amg, lshift_ass_amg,
1635 rshift_amg, rshift_ass_amg,
1636 band_amg, band_ass_amg,
1637 bor_amg, bor_ass_amg,
1638 bxor_amg, bxor_ass_amg,
1651 repeat_amg, repeat_ass_amg,
1652 concat_amg, concat_ass_amg,
1655 #endif /* OVERLOAD */
1657 #endif /* Include guard */