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[win32] use a pidtable that grows dynamically for popen()
[p5sagit/p5-mst-13.2.git] / perl.h
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a0d0e21e 1/* perl.h
a687059c 2 *
9607fc9c 3 * Copyright (c) 1987-1997, Larry Wall
a687059c 4 *
352d5a3a 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.
8d063cd8 7 *
8d063cd8 8 */
85e6fe83 9#ifndef H_PERL
10#define H_PERL 1
a0d0e21e 11#define OVERLOAD
8d063cd8 12
760ac839 13#ifdef PERL_FOR_X2P
14/*
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.
18 */
760ac839 19#undef EMBED
55497cff 20#undef NO_EMBED
21#define NO_EMBED
22#undef MULTIPLICITY
760ac839 23#undef USE_STDIO
24#define USE_STDIO
25#endif /* PERL_FOR_X2P */
26
71be2cbc 27#define VOIDUSED 1
28#include "config.h"
29
30#include "embed.h"
31
326b05e3 32#undef START_EXTERN_C
33#undef END_EXTERN_C
34#undef EXTERN_C
32f822de 35#ifdef __cplusplus
36# define START_EXTERN_C extern "C" {
37# define END_EXTERN_C }
38# define EXTERN_C extern "C"
39#else
40# define START_EXTERN_C
41# define END_EXTERN_C
42# define EXTERN_C
43#endif
44
462e5cf6 45#ifdef OP_IN_REGISTER
46# ifdef __GNUC__
47# define stringify_immed(s) #s
48# define stringify(s) stringify_immed(s)
d1ca3daa 49#ifdef EMBED
50register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
51#else
462e5cf6 52register struct op *op asm(stringify(OP_IN_REGISTER));
d1ca3daa 53#endif
462e5cf6 54# endif
55#endif
56
728e2803 57/*
58 * STMT_START { statements; } STMT_END;
59 * can be used as a single statement, as in
60 * if (x) STMT_START { ... } STMT_END; else ...
61 *
62 * Trying to select a version that gives no warnings...
63 */
64#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 65# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 66# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
67# define STMT_END )
68# else
69 /* Now which other defined()s do we need here ??? */
70# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
71# define STMT_START if (1)
72# define STMT_END else (void)0
73# else
74# define STMT_START do
75# define STMT_END while (0)
76# endif
77# endif
78#endif
79
462e5cf6 80#define NOOP (void)0
81
61bb5906 82#define WITH_THR(s) STMT_START { dTHR; s; } STMT_END
ea0efc06 83
55497cff 84/*
85 * SOFT_CAST can be used for args to prototyped functions to retain some
86 * type checking; it only casts if the compiler does not know prototypes.
87 */
88#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
89#define SOFT_CAST(type)
90#else
91#define SOFT_CAST(type) (type)
92#endif
79072805 93
94#ifndef BYTEORDER
95# define BYTEORDER 0x1234
96#endif
97
98/* Overall memory policy? */
99#ifndef CONSERVATIVE
100# define LIBERAL 1
101#endif
102
103/*
104 * The following contortions are brought to you on behalf of all the
105 * standards, semi-standards, de facto standards, not-so-de-facto standards
106 * of the world, as well as all the other botches anyone ever thought of.
107 * The basic theory is that if we work hard enough here, the rest of the
108 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
109 */
ac58e20f 110
ee0007ab 111/* define this once if either system, instead of cluttering up the src */
68dc0745 112#if defined(MSDOS) || defined(atarist) || defined(WIN32)
ee0007ab 113#define DOSISH 1
114#endif
115
a0d0e21e 116#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
352d5a3a 117# define STANDARD_C 1
118#endif
119
09b7f37c 120#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) || defined(__DGUX)
68dc0745 121# define DONT_DECLARE_STD 1
122#endif
123
352d5a3a 124#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 125# ifdef __cplusplus
126# define VOL // to temporarily suppress warnings
127# else
128# define VOL volatile
129# endif
663a0e37 130#else
79072805 131# define VOL
663a0e37 132#endif
133
bbce6d69 134#define TAINT (tainted = TRUE)
135#define TAINT_NOT (tainted = FALSE)
136#define TAINT_IF(c) if (c) { tainted = TRUE; }
137#define TAINT_ENV() if (tainting) { taint_env(); }
138#define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
a687059c 139
a6e633de 140/* XXX All process group stuff is handled in pp_sys.c. Should these
141 defines move there? If so, I could simplify this a lot. --AD 9/96.
142*/
143/* Process group stuff changed from traditional BSD to POSIX.
144 perlfunc.pod documents the traditional BSD-style syntax, so we'll
145 try to preserve that, if possible.
146*/
147#ifdef HAS_SETPGID
148# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 149#else
a6e633de 150# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
151# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
152# else
153# ifdef HAS_SETPGRP2 /* DG/UX */
154# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
155# endif
156# endif
157#endif
158#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
159# define HAS_SETPGRP /* Well, effectively it does . . . */
160#endif
161
162/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
163 our life easier :-) so we'll try it.
164*/
165#ifdef HAS_GETPGID
166# define BSD_GETPGRP(pid) getpgid((pid))
167#else
168# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
169# define BSD_GETPGRP(pid) getpgrp((pid))
170# else
171# ifdef HAS_GETPGRP2 /* DG/UX */
172# define BSD_GETPGRP(pid) getpgrp2((pid))
173# endif
174# endif
175#endif
176#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
177# define HAS_GETPGRP /* Well, effectively it does . . . */
178#endif
179
180/* These are not exact synonyms, since setpgrp() and getpgrp() may
181 have different behaviors, but perl.h used to define USE_BSDPGRP
182 (prior to 5.003_05) so some extension might depend on it.
183*/
184#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
185# ifndef USE_BSDPGRP
186# define USE_BSDPGRP
187# endif
663a0e37 188#endif
189
760ac839 190#ifndef _TYPES_ /* If types.h defines this it's easy. */
191# ifndef major /* Does everyone's types.h define this? */
192# include <sys/types.h>
c07a80fd 193# endif
663a0e37 194#endif
195
760ac839 196#ifdef __cplusplus
197# ifndef I_STDARG
198# define I_STDARG 1
199# endif
200#endif
201
202#ifdef I_STDARG
203# include <stdarg.h>
204#else
205# ifdef I_VARARGS
206# include <varargs.h>
207# endif
208#endif
209
210#include "perlio.h"
3028581b 211#include "perllio.h"
212#include "perlsock.h"
213#include "perlproc.h"
214#include "perlenv.h"
215#include "perldir.h"
0c30d9ec 216
4633a7c4 217#ifdef USE_NEXT_CTYPE
0c30d9ec 218
219#if NX_CURRENT_COMPILER_RELEASE >= 400
220#include <objc/NXCType.h>
221#else /* NX_CURRENT_COMPILER_RELEASE < 400 */
a0d0e21e 222#include <appkit/NXCType.h>
0c30d9ec 223#endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
224
225#else /* !USE_NEXT_CTYPE */
fe14fcc3 226#include <ctype.h>
0c30d9ec 227#endif /* USE_NEXT_CTYPE */
a0d0e21e 228
229#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
230#undef METHOD
a0d0e21e 231#endif
232
4633a7c4 233#ifdef I_LOCALE
36477c24 234# include <locale.h>
4633a7c4 235#endif
236
36477c24 237#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
238# define USE_LOCALE
239# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
240 && defined(HAS_STRXFRM)
241# define USE_LOCALE_COLLATE
242# endif
243# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
244# define USE_LOCALE_CTYPE
245# endif
246# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
247# define USE_LOCALE_NUMERIC
248# endif
249#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 250
fe14fcc3 251#include <setjmp.h>
79072805 252
a0d0e21e 253#ifdef I_SYS_PARAM
79072805 254# ifdef PARAM_NEEDS_TYPES
255# include <sys/types.h>
256# endif
257# include <sys/param.h>
352d5a3a 258#endif
79072805 259
260
261/* Use all the "standard" definitions? */
a0d0e21e 262#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 263# include <stdlib.h>
ff68c719 264#endif
03a14243 265
c31fac66 266#define MEM_SIZE Size_t
267
55497cff 268/* This comes after <stdlib.h> so we don't try to change the standard
269 * library prototypes; we'll use our own in proto.h instead. */
03a14243 270
4633a7c4 271#ifdef MYMALLOC
55497cff 272
4633a7c4 273# ifdef HIDEMYMALLOC
55497cff 274# define malloc Mymalloc
275# define calloc Mycalloc
4633a7c4 276# define realloc Myremalloc
55497cff 277# define free Myfree
c31fac66 278Malloc_t Mymalloc _((MEM_SIZE nbytes));
279Malloc_t Mycalloc _((MEM_SIZE elements, MEM_SIZE size));
280Malloc_t Myrealloc _((Malloc_t where, MEM_SIZE nbytes));
281Free_t Myfree _((Malloc_t where));
55497cff 282# endif
283# ifdef EMBEDMYMALLOC
284# define malloc Perl_malloc
285# define calloc Perl_calloc
286# define realloc Perl_realloc
287# define free Perl_free
c31fac66 288Malloc_t Perl_malloc _((MEM_SIZE nbytes));
289Malloc_t Perl_calloc _((MEM_SIZE elements, MEM_SIZE size));
290Malloc_t Perl_realloc _((Malloc_t where, MEM_SIZE nbytes));
291Free_t Perl_free _((Malloc_t where));
4633a7c4 292# endif
55497cff 293
294# undef safemalloc
295# undef safecalloc
296# undef saferealloc
297# undef safefree
298# define safemalloc malloc
299# define safecalloc calloc
4633a7c4 300# define saferealloc realloc
55497cff 301# define safefree free
302
303#endif /* MYMALLOC */
4633a7c4 304
ff68c719 305#if defined(STANDARD_C) && defined(I_STDDEF)
306# include <stddef.h>
71be2cbc 307# define STRUCT_OFFSET(s,m) offsetof(s,m)
ff68c719 308#else
71be2cbc 309# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
ff68c719 310#endif
311
a0d0e21e 312#if defined(I_STRING) || defined(__cplusplus)
313# include <string.h>
314#else
315# include <strings.h>
316#endif
317
318#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
319#define strchr index
320#define strrchr rindex
321#endif
322
16d20bd9 323#ifdef I_MEMORY
324# include <memory.h>
325#endif
326
fe14fcc3 327#ifdef HAS_MEMCPY
85e6fe83 328# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 329# ifndef memcpy
a0d0e21e 330 extern char * memcpy _((char*, char*, int));
ee0007ab 331# endif
332# endif
333#else
334# ifndef memcpy
335# ifdef HAS_BCOPY
336# define memcpy(d,s,l) bcopy(s,d,l)
337# else
338# define memcpy(d,s,l) my_bcopy(s,d,l)
339# endif
340# endif
341#endif /* HAS_MEMCPY */
fe14fcc3 342
ee0007ab 343#ifdef HAS_MEMSET
85e6fe83 344# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 345# ifndef memset
a0d0e21e 346 extern char *memset _((char*, int, int));
ee0007ab 347# endif
348# endif
ee0007ab 349#else
fc36a67e 350# define memset(d,c,l) my_memset(d,c,l)
ee0007ab 351#endif /* HAS_MEMSET */
352
85e6fe83 353#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 354# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805 355# define memmove(d,s,l) bcopy(s,d,l)
356# else
2304df62 357# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 358# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 359# else
79072805 360# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 361# endif
352d5a3a 362# endif
d9d8d8de 363#endif
ee0007ab 364
36477c24 365#if defined(mips) && defined(ultrix) && !defined(__STDC__)
366# undef HAS_MEMCMP
367#endif
368
369#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 370# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 371# ifndef memcmp
a0d0e21e 372 extern int memcmp _((char*, char*, int));
ee0007ab 373# endif
374# endif
36477c24 375# ifdef BUGGY_MSC
376 # pragma function(memcmp)
377# endif
ee0007ab 378#else
379# ifndef memcmp
ecfc5424 380# define memcmp my_memcmp
352d5a3a 381# endif
36477c24 382#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 383
fc36a67e 384#ifndef memzero
c635e13b 385# ifdef HAS_MEMSET
386# define memzero(d,l) memset(d,0,l)
79072805 387# else
c635e13b 388# ifdef HAS_BZERO
389# define memzero(d,l) bzero(d,l)
79072805 390# else
fc36a67e 391# define memzero(d,l) my_bzero(d,l)
79072805 392# endif
393# endif
d9d8d8de 394#endif
378cc40b 395
36477c24 396#ifndef HAS_BCMP
397# ifndef bcmp
398# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 399# endif
36477c24 400#endif /* !HAS_BCMP */
378cc40b 401
ae986130 402#ifdef I_NETINET_IN
79072805 403# include <netinet/in.h>
ae986130 404#endif
405
84902520 406#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
407/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
408 * (the neo-BSD seem to do this). */
409# undef SF_APPEND
410#endif
411
1aef975c 412#ifdef I_SYS_STAT
84902520 413# include <sys/stat.h>
1aef975c 414#endif
79072805 415
a0d0e21e 416/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
417 like UTekV) are broken, sometimes giving false positives. Undefine
418 them here and let the code below set them to proper values.
419
420 The ghs macro stands for GreenHills Software C-1.8.5 which
421 is the C compiler for sysV88 and the various derivatives.
422 This header file bug is corrected in gcc-2.5.8 and later versions.
423 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
424
425#if defined(uts) || (defined(m88k) && defined(ghs))
79072805 426# undef S_ISDIR
427# undef S_ISCHR
428# undef S_ISBLK
429# undef S_ISREG
430# undef S_ISFIFO
431# undef S_ISLNK
ee0007ab 432#endif
135863df 433
663a0e37 434#ifdef I_TIME
435# include <time.h>
ffed7fef 436#endif
663a0e37 437
fe14fcc3 438#ifdef I_SYS_TIME
85e6fe83 439# ifdef I_SYS_TIME_KERNEL
663a0e37 440# define KERNEL
441# endif
442# include <sys/time.h>
85e6fe83 443# ifdef I_SYS_TIME_KERNEL
663a0e37 444# undef KERNEL
445# endif
a687059c 446#endif
135863df 447
55497cff 448#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 449# include <sys/times.h>
d9d8d8de 450#endif
8d063cd8 451
fe14fcc3 452#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 453# undef HAS_STRERROR
663a0e37 454#endif
455
a0d0e21e 456#ifndef HAS_MKFIFO
457# ifndef mkfifo
458# define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
459# endif
460#endif /* !HAS_MKFIFO */
461
663a0e37 462#include <errno.h>
ed6116ce 463#ifdef HAS_SOCKET
85e6fe83 464# ifdef I_NET_ERRNO
ed6116ce 465# include <net/errno.h>
466# endif
467#endif
f86702cc 468
469#ifdef VMS
470# define SETERRNO(errcode,vmserrcode) \
471 STMT_START { \
472 set_errno(errcode); \
473 set_vaxc_errno(vmserrcode); \
474 } STMT_END
748a9306 475#else
f86702cc 476# define SETERRNO(errcode,vmserrcode) errno = (errcode)
748a9306 477#endif
ed6116ce 478
38a03e6e 479#ifdef USE_THREADS
480# define ERRSV (thr->errsv)
481# define ERRHV (thr->errhv)
940cb80d 482# define DEFSV THREADSV(0)
483# define SAVE_DEFSV save_threadsv(0)
38a03e6e 484#else
485# define ERRSV GvSV(errgv)
486# define ERRHV GvHV(errgv)
54b9620d 487# define DEFSV GvSV(defgv)
488# define SAVE_DEFSV SAVESPTR(GvSV(defgv))
38a03e6e 489#endif /* USE_THREADS */
490
55497cff 491#ifndef errno
79072805 492 extern int errno; /* ANSI allows errno to be an lvalue expr */
d9d8d8de 493#endif
663a0e37 494
2304df62 495#ifdef HAS_STRERROR
a0d0e21e 496# ifdef VMS
497 char *strerror _((int,...));
498# else
68dc0745 499#ifndef DONT_DECLARE_STD
a0d0e21e 500 char *strerror _((int));
68dc0745 501#endif
a0d0e21e 502# endif
2304df62 503# ifndef Strerror
504# define Strerror strerror
505# endif
506#else
507# ifdef HAS_SYS_ERRLIST
79072805 508 extern int sys_nerr;
509 extern char *sys_errlist[];
2304df62 510# ifndef Strerror
511# define Strerror(e) \
79072805 512 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 513# endif
79072805 514# endif
35c8bce7 515#endif
663a0e37 516
2304df62 517#ifdef I_SYS_IOCTL
79072805 518# ifndef _IOCTL_
519# include <sys/ioctl.h>
520# endif
a687059c 521#endif
522
ee0007ab 523#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805 524# ifdef HAS_SOCKETPAIR
525# undef HAS_SOCKETPAIR
526# endif
2304df62 527# ifdef I_NDBM
528# undef I_NDBM
79072805 529# endif
a687059c 530#endif
531
a687059c 532#if INTSIZE == 2
79072805 533# define htoni htons
534# define ntohi ntohs
a687059c 535#else
79072805 536# define htoni htonl
537# define ntohi ntohl
a687059c 538#endif
539
a0d0e21e 540/* Configure already sets Direntry_t */
35c8bce7 541#if defined(I_DIRENT)
663a0e37 542# include <dirent.h>
a0d0e21e 543# if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
544# include <sys/dir.h>
545# endif
ae986130 546#else
fe14fcc3 547# ifdef I_SYS_NDIR
79a0689e 548# include <sys/ndir.h>
663a0e37 549# else
fe14fcc3 550# ifdef I_SYS_DIR
79a0689e 551# ifdef hp9000s500
552# include <ndir.h> /* may be wrong in the future */
553# else
554# include <sys/dir.h>
555# endif
663a0e37 556# endif
557# endif
4633a7c4 558#endif
a687059c 559
352d5a3a 560#ifdef FPUTS_BOTCH
561/* work around botch in SunOS 4.0.1 and 4.0.2 */
562# ifndef fputs
79072805 563# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a 564# endif
565#endif
566
c623bd54 567/*
568 * The following gobbledygook brought to you on behalf of __STDC__.
569 * (I could just use #ifndef __STDC__, but this is more bulletproof
570 * in the face of half-implementations.)
571 */
572
573#ifndef S_IFMT
574# ifdef _S_IFMT
575# define S_IFMT _S_IFMT
576# else
577# define S_IFMT 0170000
578# endif
579#endif
580
581#ifndef S_ISDIR
582# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
583#endif
584
585#ifndef S_ISCHR
586# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
587#endif
588
589#ifndef S_ISBLK
fe14fcc3 590# ifdef S_IFBLK
591# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
592# else
593# define S_ISBLK(m) (0)
594# endif
c623bd54 595#endif
596
597#ifndef S_ISREG
598# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
599#endif
600
601#ifndef S_ISFIFO
fe14fcc3 602# ifdef S_IFIFO
603# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
604# else
605# define S_ISFIFO(m) (0)
606# endif
c623bd54 607#endif
608
609#ifndef S_ISLNK
610# ifdef _S_ISLNK
611# define S_ISLNK(m) _S_ISLNK(m)
612# else
613# ifdef _S_IFLNK
614# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
615# else
616# ifdef S_IFLNK
617# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
618# else
619# define S_ISLNK(m) (0)
620# endif
621# endif
622# endif
623#endif
624
625#ifndef S_ISSOCK
626# ifdef _S_ISSOCK
627# define S_ISSOCK(m) _S_ISSOCK(m)
628# else
629# ifdef _S_IFSOCK
630# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
631# else
632# ifdef S_IFSOCK
633# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
634# else
635# define S_ISSOCK(m) (0)
636# endif
637# endif
638# endif
639#endif
640
641#ifndef S_IRUSR
642# ifdef S_IREAD
643# define S_IRUSR S_IREAD
644# define S_IWUSR S_IWRITE
645# define S_IXUSR S_IEXEC
646# else
647# define S_IRUSR 0400
648# define S_IWUSR 0200
649# define S_IXUSR 0100
650# endif
651# define S_IRGRP (S_IRUSR>>3)
652# define S_IWGRP (S_IWUSR>>3)
653# define S_IXGRP (S_IXUSR>>3)
654# define S_IROTH (S_IRUSR>>6)
655# define S_IWOTH (S_IWUSR>>6)
656# define S_IXOTH (S_IXUSR>>6)
657#endif
658
659#ifndef S_ISUID
660# define S_ISUID 04000
661#endif
662
663#ifndef S_ISGID
664# define S_ISGID 02000
665#endif
666
79072805 667#ifdef ff_next
668# undef ff_next
352d5a3a 669#endif
670
a0d0e21e 671#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa 672# define SLOPPYDIVIDE
673#endif
674
748a9306 675#ifdef UV
676#undef UV
677#endif
678
27d4fb96 679/* XXX QUAD stuff is not currently supported on most systems.
680 Specifically, perl internals don't support long long. Among
681 the many problems is that some compilers support long long,
682 but the underlying library functions (such as sprintf) don't.
683 Some things do work (such as quad pack/unpack on convex);
684 also some systems use long long for the fpos_t typedef. That
685 seems to work too.
686
687 The IV type is supposed to be long enough to hold any integral
688 value or a pointer.
689 --Andy Dougherty August 1996
690*/
691
f86702cc 692#ifdef cray
693# define Quad_t int
694#else
695# ifdef convex
696# define Quad_t long long
45d8adaa 697# else
ff0cee69 698# if BYTEORDER > 0xFFFF
ecfc5424 699# define Quad_t long
45d8adaa 700# endif
701# endif
f86702cc 702#endif
703
704#ifdef Quad_t
705# define HAS_QUAD
748a9306 706 typedef Quad_t IV;
707 typedef unsigned Quad_t UV;
27d4fb96 708# define IV_MAX PERL_QUAD_MAX
709# define IV_MIN PERL_QUAD_MIN
710# define UV_MAX PERL_UQUAD_MAX
711# define UV_MIN PERL_UQUAD_MIN
79072805 712#else
748a9306 713 typedef long IV;
714 typedef unsigned long UV;
27d4fb96 715# define IV_MAX PERL_LONG_MAX
716# define IV_MIN PERL_LONG_MIN
717# define UV_MAX PERL_ULONG_MAX
718# define UV_MIN PERL_ULONG_MIN
79072805 719#endif
720
760ac839 721/* Previously these definitions used hardcoded figures.
722 * It is hoped these formula are more portable, although
723 * no data one way or another is presently known to me.
724 * The "PERL_" names are used because these calculated constants
725 * do not meet the ANSI requirements for LONG_MAX, etc., which
726 * need to be constants acceptable to #if - kja
727 * define PERL_LONG_MAX 2147483647L
728 * define PERL_LONG_MIN (-LONG_MAX - 1)
729 * define PERL ULONG_MAX 4294967295L
730 */
731
732#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
733# include <limits.h>
734#else
735#ifdef I_VALUES
736# include <values.h>
737#endif
738#endif
739
99abf803 740/*
741 * Try to figure out max and min values for the integral types. THE CORRECT
742 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
743 * following hacks are used if neither limits.h or values.h provide them:
744 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
745 * for types < int: (unsigned TYPE)~(unsigned)0
746 * The argument to ~ must be unsigned so that later signed->unsigned
747 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
748 * and it must not be smaller than int because ~ does integral promotion.
749 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
750 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
751 * The latter is a hack which happens to work on some machines but
752 * does *not* catch any random system, or things like integer types
753 * with NaN if that is possible.
754 *
755 * All of the types are explicitly cast to prevent accidental loss of
756 * numeric range, and in the hope that they will be less likely to confuse
757 * over-eager optimizers.
758 *
759 */
27d4fb96 760
99abf803 761#define PERL_UCHAR_MIN ((unsigned char)0)
762
763#ifdef UCHAR_MAX
764# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 765#else
99abf803 766# ifdef MAXUCHAR
767# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 768# else
99abf803 769# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 770# endif
771#endif
99abf803 772
773/*
774 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
775 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
776 * depending on local options. Until Configure detects this (or at least
777 * detects whether the "signed" keyword is available) the CHAR ranges
778 * will not be included. UCHAR functions normally.
779 * - kja
780 */
27d4fb96 781
99abf803 782#define PERL_USHORT_MIN ((unsigned short)0)
783
784#ifdef USHORT_MAX
785# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 786#else
99abf803 787# ifdef MAXUSHORT
788# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 789# else
ef2f54b0 790# ifdef USHRT_MAX
791# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
792# else
793# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
794# endif
27d4fb96 795# endif
796#endif
797
27d4fb96 798#ifdef SHORT_MAX
99abf803 799# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 800#else
801# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 802# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 803# else
ef2f54b0 804# ifdef SHRT_MAX
805# define PERL_SHORT_MAX ((short)SHRT_MAX)
806# else
807# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
808# endif
27d4fb96 809# endif
810#endif
811
812#ifdef SHORT_MIN
99abf803 813# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 814#else
815# ifdef MINSHORT
99abf803 816# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 817# else
ef2f54b0 818# ifdef SHRT_MIN
819# define PERL_SHORT_MIN ((short)SHRT_MIN)
820# else
821# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
822# endif
27d4fb96 823# endif
824#endif
825
99abf803 826#ifdef UINT_MAX
827# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 828#else
99abf803 829# ifdef MAXUINT
830# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 831# else
99abf803 832# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 833# endif
834#endif
835
99abf803 836#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 837
838#ifdef INT_MAX
99abf803 839# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 840#else
841# ifdef MAXINT /* Often used in <values.h> */
99abf803 842# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 843# else
99abf803 844# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 845# endif
846#endif
847
848#ifdef INT_MIN
99abf803 849# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 850#else
851# ifdef MININT
99abf803 852# define PERL_INT_MIN ((int)MININT)
27d4fb96 853# else
854# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
855# endif
856#endif
857
99abf803 858#ifdef ULONG_MAX
859# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 860#else
99abf803 861# ifdef MAXULONG
862# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 863# else
99abf803 864# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 865# endif
866#endif
867
99abf803 868#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 869
760ac839 870#ifdef LONG_MAX
99abf803 871# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839 872#else
873# ifdef MAXLONG /* Often used in <values.h> */
99abf803 874# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 875# else
99abf803 876# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839 877# endif
878#endif
879
880#ifdef LONG_MIN
99abf803 881# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839 882#else
883# ifdef MINLONG
99abf803 884# define PERL_LONG_MIN ((long)MINLONG)
760ac839 885# else
27d4fb96 886# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839 887# endif
888#endif
889
99abf803 890#ifdef HAS_QUAD
891
892# ifdef UQUAD_MAX
893# define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
760ac839 894# else
99abf803 895# define PERL_UQUAD_MAX (~(UV)0)
760ac839 896# endif
760ac839 897
99abf803 898# define PERL_UQUAD_MIN ((UV)0)
27d4fb96 899
27d4fb96 900# ifdef QUAD_MAX
99abf803 901# define PERL_QUAD_MAX ((IV)QUAD_MAX)
27d4fb96 902# else
99abf803 903# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
27d4fb96 904# endif
905
906# ifdef QUAD_MIN
99abf803 907# define PERL_QUAD_MIN ((IV)QUAD_MIN)
27d4fb96 908# else
a6e633de 909# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 910# endif
911
79072805 912#endif
913
ee0007ab 914typedef MEM_SIZE STRLEN;
450a55e4 915
79072805 916typedef struct op OP;
917typedef struct cop COP;
918typedef struct unop UNOP;
919typedef struct binop BINOP;
920typedef struct listop LISTOP;
921typedef struct logop LOGOP;
922typedef struct condop CONDOP;
923typedef struct pmop PMOP;
924typedef struct svop SVOP;
925typedef struct gvop GVOP;
926typedef struct pvop PVOP;
79072805 927typedef struct loop LOOP;
928
929typedef struct Outrec Outrec;
93a17b20 930typedef struct interpreter PerlInterpreter;
3e3baf6d 931#ifndef __BORLANDC__
932typedef struct ff FF; /* XXX not defined anywhere, should go? */
933#endif
79072805 934typedef struct sv SV;
935typedef struct av AV;
936typedef struct hv HV;
937typedef struct cv CV;
378cc40b 938typedef struct regexp REGEXP;
79072805 939typedef struct gp GP;
0c30d9ec 940typedef struct gv GV;
8990e307 941typedef struct io IO;
c09156bb 942typedef struct context PERL_CONTEXT;
79072805 943typedef struct block BLOCK;
944
945typedef struct magic MAGIC;
ed6116ce 946typedef struct xrv XRV;
79072805 947typedef struct xpv XPV;
948typedef struct xpviv XPVIV;
ff68c719 949typedef struct xpvuv XPVUV;
79072805 950typedef struct xpvnv XPVNV;
951typedef struct xpvmg XPVMG;
952typedef struct xpvlv XPVLV;
953typedef struct xpvav XPVAV;
954typedef struct xpvhv XPVHV;
955typedef struct xpvgv XPVGV;
956typedef struct xpvcv XPVCV;
957typedef struct xpvbm XPVBM;
958typedef struct xpvfm XPVFM;
8990e307 959typedef struct xpvio XPVIO;
79072805 960typedef struct mgvtbl MGVTBL;
961typedef union any ANY;
8d063cd8 962
378cc40b 963#include "handy.h"
a0d0e21e 964
16d20bd9 965typedef I32 (*filter_t) _((int, SV *, int));
966#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
967#define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
93965878 968#define FILTER_ISREADER(idx) (idx >= AvFILLp(rsfp_filters))
16d20bd9 969
748a9306 970#ifdef DOSISH
4633a7c4 971# if defined(OS2)
972# include "os2ish.h"
973# else
748a9306 974# include "dosish.h"
4633a7c4 975# endif
a0d0e21e 976#else
748a9306 977# if defined(VMS)
978# include "vmsish.h"
979# else
0c30d9ec 980# if defined(PLAN9)
981# include "./plan9/plan9ish.h"
982# else
983# include "unixish.h"
984# endif
748a9306 985# endif
32f822de 986#endif
987
988/*
dd96f567 989 * USE_THREADS needs to be after unixish.h as <pthread.h> includes
990 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de 991 * this results in many functions being undeclared which bothers C++
992 * May make sense to have threads after "*ish.h" anyway
993 */
994
995#ifdef USE_THREADS
996# ifdef FAKE_THREADS
997# include "fakethr.h"
998# else
999# ifdef WIN32
1000# include <win32thread.h>
1001# else
dd96f567 1002# ifdef OS2
1003# include "os2thread.h"
1004# else
1005# include <pthread.h>
c6ee37c5 1006typedef pthread_t perl_os_thread;
32f822de 1007typedef pthread_mutex_t perl_mutex;
1008typedef pthread_cond_t perl_cond;
1009typedef pthread_key_t perl_key;
dd96f567 1010# endif /* OS2 */
32f822de 1011# endif /* WIN32 */
1012# endif /* FAKE_THREADS */
1013#endif /* USE_THREADS */
1014
1015
3fc1aec6 1016
68dc0745 1017#ifdef VMS
1018# define STATUS_NATIVE statusvalue_vms
1019# define STATUS_NATIVE_EXPORT \
1020 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
1021# define STATUS_NATIVE_SET(n) \
1022 STMT_START { \
1023 statusvalue_vms = (n); \
1024 if ((I32)statusvalue_vms == -1) \
1025 statusvalue = -1; \
1026 else if (statusvalue_vms & STS$M_SUCCESS) \
1027 statusvalue = 0; \
1028 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
1029 statusvalue = 1 << 8; \
1030 else \
1031 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
1032 } STMT_END
1033# define STATUS_POSIX statusvalue
1034# ifdef VMSISH_STATUS
1035# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1036# else
1037# define STATUS_CURRENT STATUS_POSIX
1038# endif
1039# define STATUS_POSIX_SET(n) \
1040 STMT_START { \
1041 statusvalue = (n); \
1042 if (statusvalue != -1) { \
1043 statusvalue &= 0xFFFF; \
1044 statusvalue_vms = statusvalue ? 44 : 1; \
1045 } \
1046 else statusvalue_vms = -1; \
1047 } STMT_END
1048# define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1049# define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1050#else
1051# define STATUS_NATIVE STATUS_POSIX
1052# define STATUS_NATIVE_EXPORT STATUS_POSIX
1053# define STATUS_NATIVE_SET STATUS_POSIX_SET
1054# define STATUS_POSIX statusvalue
1055# define STATUS_POSIX_SET(n) \
1056 STMT_START { \
1057 statusvalue = (n); \
1058 if (statusvalue != -1) \
1059 statusvalue &= 0xFFFF; \
1060 } STMT_END
1061# define STATUS_CURRENT STATUS_POSIX
1062# define STATUS_ALL_SUCCESS (statusvalue = 0)
1063# define STATUS_ALL_FAILURE (statusvalue = 1)
1064#endif
1065
3fc1aec6 1066/* Some unistd.h's give a prototype for pause() even though
1067 HAS_PAUSE ends up undefined. This causes the #define
1068 below to be rejected by the compmiler. Sigh.
1069*/
1070#ifdef HAS_PAUSE
1071#define Pause pause
1072#else
1073#define Pause() sleep((32767<<16)+32767)
748a9306 1074#endif
1075
1076#ifndef IOCPARM_LEN
1077# ifdef IOCPARM_MASK
1078 /* on BSDish systes we're safe */
1079# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1080# else
1081 /* otherwise guess at what's safe */
1082# define IOCPARM_LEN(x) 256
1083# endif
a0d0e21e 1084#endif
1085
79072805 1086union any {
1087 void* any_ptr;
1088 I32 any_i32;
a0d0e21e 1089 IV any_iv;
85e6fe83 1090 long any_long;
a0d0e21e 1091 void (*any_dptr) _((void*));
79072805 1092};
1093
11343788 1094#ifdef USE_THREADS
52e1cb5e 1095#define ARGSproto struct perl_thread *thr
11343788 1096#else
1097#define ARGSproto void
1098#endif /* USE_THREADS */
1099
5aabfad6 1100/* Work around some cygwin32 problems with importing global symbols */
1101#if defined(CYGWIN32) && defined(DLLIMPORT)
1102# include "cw32imp.h"
1103#endif
1104
378cc40b 1105#include "regexp.h"
79072805 1106#include "sv.h"
378cc40b 1107#include "util.h"
8d063cd8 1108#include "form.h"
79072805 1109#include "gv.h"
1110#include "cv.h"
1111#include "opcode.h"
1112#include "op.h"
1113#include "cop.h"
1114#include "av.h"
1115#include "hv.h"
1116#include "mg.h"
1117#include "scope.h"
d613ef02 1118#include "bytecode.h"
1119#include "byterun.h"
8d063cd8 1120
4633a7c4 1121/* work around some libPW problems */
1122#ifdef DOINIT
1123EXT char Error[1];
1124#endif
1125
450a55e4 1126#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c 1127# define I286
1128#endif
1129
fe14fcc3 1130#if defined(htonl) && !defined(HAS_HTONL)
1131#define HAS_HTONL
ae986130 1132#endif
fe14fcc3 1133#if defined(htons) && !defined(HAS_HTONS)
1134#define HAS_HTONS
ae986130 1135#endif
fe14fcc3 1136#if defined(ntohl) && !defined(HAS_NTOHL)
1137#define HAS_NTOHL
ae986130 1138#endif
fe14fcc3 1139#if defined(ntohs) && !defined(HAS_NTOHS)
1140#define HAS_NTOHS
ae986130 1141#endif
fe14fcc3 1142#ifndef HAS_HTONL
d9d8d8de 1143#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3 1144#define HAS_HTONS
1145#define HAS_HTONL
1146#define HAS_NTOHS
1147#define HAS_NTOHL
a687059c 1148#define MYSWAP
1149#define htons my_swap
1150#define htonl my_htonl
1151#define ntohs my_swap
1152#define ntohl my_ntohl
1153#endif
1154#else
d9d8d8de 1155#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3 1156#undef HAS_HTONS
1157#undef HAS_HTONL
1158#undef HAS_NTOHS
1159#undef HAS_NTOHL
a687059c 1160#endif
1161#endif
1162
988174c1 1163/*
1164 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1165 * -DWS
1166 */
1167#if BYTEORDER != 0x1234
1168# define HAS_VTOHL
1169# define HAS_VTOHS
1170# define HAS_HTOVL
1171# define HAS_HTOVS
1172# if BYTEORDER == 0x4321
1173# define vtohl(x) ((((x)&0xFF)<<24) \
1174 +(((x)>>24)&0xFF) \
1175 +(((x)&0x0000FF00)<<8) \
1176 +(((x)&0x00FF0000)>>8) )
1177# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1178# define htovl(x) vtohl(x)
1179# define htovs(x) vtohs(x)
1180# endif
1181 /* otherwise default to functions in util.c */
1182#endif
1183
0f85fab0 1184#ifdef CASTNEGFLOAT
79072805 1185#define U_S(what) ((U16)(what))
0f85fab0 1186#define U_I(what) ((unsigned int)(what))
79072805 1187#define U_L(what) ((U32)(what))
0f85fab0 1188#else
32f822de 1189EXTERN_C U32 cast_ulong _((double));
232e078e 1190#define U_S(what) ((U16)cast_ulong((double)(what)))
1191#define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1192#define U_L(what) (cast_ulong((double)(what)))
ee0007ab 1193#endif
1194
ed6116ce 1195#ifdef CASTI32
1196#define I_32(what) ((I32)(what))
a0d0e21e 1197#define I_V(what) ((IV)(what))
5d94fbed 1198#define U_V(what) ((UV)(what))
ed6116ce 1199#else
32f822de 1200START_EXTERN_C
a0d0e21e 1201I32 cast_i32 _((double));
a0d0e21e 1202IV cast_iv _((double));
5d94fbed 1203UV cast_uv _((double));
32f822de 1204END_EXTERN_C
a6e633de 1205#define I_32(what) (cast_i32((double)(what)))
1206#define I_V(what) (cast_iv((double)(what)))
5d94fbed 1207#define U_V(what) (cast_uv((double)(what)))
ed6116ce 1208#endif
1209
79072805 1210struct Outrec {
1211 I32 o_lines;
d9d8d8de 1212 char *o_str;
79072805 1213 U32 o_len;
8d063cd8 1214};
1215
352d5a3a 1216#ifndef MAXSYSFD
1217# define MAXSYSFD 2
1218#endif
ee0007ab 1219
f82b3d41 1220#ifndef TMPPATH
1221# define TMPPATH "/tmp/perl-eXXXXXX"
a0d0e21e 1222#endif
79072805 1223
1224#ifndef __cplusplus
a0d0e21e 1225Uid_t getuid _((void));
1226Uid_t geteuid _((void));
1227Gid_t getgid _((void));
1228Gid_t getegid _((void));
79072805 1229#endif
8d063cd8 1230
1231#ifdef DEBUGGING
0c30d9ec 1232#ifndef Perl_debug_log
760ac839 1233#define Perl_debug_log PerlIO_stderr()
0c30d9ec 1234#endif
d96024cf 1235#define YYDEBUG 1
79072805 1236#define DEB(a) a
1237#define DEBUG(a) if (debug) a
1238#define DEBUG_p(a) if (debug & 1) a
1239#define DEBUG_s(a) if (debug & 2) a
1240#define DEBUG_l(a) if (debug & 4) a
1241#define DEBUG_t(a) if (debug & 8) a
1242#define DEBUG_o(a) if (debug & 16) a
1243#define DEBUG_c(a) if (debug & 32) a
1244#define DEBUG_P(a) if (debug & 64) a
0c30d9ec 1245#define DEBUG_m(a) if (curinterp && debug & 128) a
79072805 1246#define DEBUG_f(a) if (debug & 256) a
1247#define DEBUG_r(a) if (debug & 512) a
1248#define DEBUG_x(a) if (debug & 1024) a
1249#define DEBUG_u(a) if (debug & 2048) a
1250#define DEBUG_L(a) if (debug & 4096) a
1251#define DEBUG_H(a) if (debug & 8192) a
1252#define DEBUG_X(a) if (debug & 16384) a
8990e307 1253#define DEBUG_D(a) if (debug & 32768) a
79072805 1254#else
1255#define DEB(a)
1256#define DEBUG(a)
1257#define DEBUG_p(a)
1258#define DEBUG_s(a)
1259#define DEBUG_l(a)
1260#define DEBUG_t(a)
1261#define DEBUG_o(a)
1262#define DEBUG_c(a)
1263#define DEBUG_P(a)
1264#define DEBUG_m(a)
1265#define DEBUG_f(a)
1266#define DEBUG_r(a)
1267#define DEBUG_x(a)
1268#define DEBUG_u(a)
1269#define DEBUG_L(a)
1270#define DEBUG_H(a)
1271#define DEBUG_X(a)
8990e307 1272#define DEBUG_D(a)
8d063cd8 1273#endif
fe14fcc3 1274#define YYMAXDEPTH 300
8d063cd8 1275
a6e633de 1276#ifndef assert /* <assert.h> might have been included somehow */
79072805 1277#define assert(what) DEB( { \
1278 if (!(what)) { \
463ee0b2 1279 croak("Assertion failed: file \"%s\", line %d", \
79072805 1280 __FILE__, __LINE__); \
3028581b 1281 PerlProc_exit(1); \
79072805 1282 }})
a6e633de 1283#endif
8d063cd8 1284
450a55e4 1285struct ufuncs {
a0d0e21e 1286 I32 (*uf_val)_((IV, SV*));
1287 I32 (*uf_set)_((IV, SV*));
1288 IV uf_index;
450a55e4 1289};
1290
fe14fcc3 1291/* Fix these up for __STDC__ */
68dc0745 1292#ifndef DONT_DECLARE_STD
a0d0e21e 1293char *mktemp _((char*));
1294double atof _((const char*));
1295#endif
79072805 1296
352d5a3a 1297#ifndef STANDARD_C
fe14fcc3 1298/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 1299Time_t time();
8d063cd8 1300struct tm *gmtime(), *localtime();
93a17b20 1301char *strchr(), *strrchr();
378cc40b 1302char *strcpy(), *strcat();
352d5a3a 1303#endif /* ! STANDARD_C */
8d063cd8 1304
79072805 1305
1306#ifdef I_MATH
1307# include <math.h>
1308#else
32f822de 1309START_EXTERN_C
a0d0e21e 1310 double exp _((double));
a0d0e21e 1311 double log _((double));
c635e13b 1312 double log10 _((double));
a0d0e21e 1313 double sqrt _((double));
c635e13b 1314 double frexp _((double,int*));
1315 double ldexp _((double,int));
a0d0e21e 1316 double modf _((double,double*));
1317 double sin _((double));
1318 double cos _((double));
1319 double atan2 _((double,double));
1320 double pow _((double,double));
32f822de 1321END_EXTERN_C
79072805 1322#endif
1323
a0d0e21e 1324#ifndef __cplusplus
26618a56 1325# ifdef __NeXT__ /* or whatever catches all NeXTs */
3fc1aec6 1326char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 1327# else
1328# if !defined(WIN32) || !defined(HAVE_DES_FCRYPT)
a0d0e21e 1329char *crypt _((const char*, const char*));
26618a56 1330# endif /* !WIN32 && !HAVE_CRYPT_SOURCE */
1331# endif /* !__NeXT__ */
1332# ifndef DONT_DECLARE_STD
1333# ifndef getenv
a0d0e21e 1334char *getenv _((const char*));
26618a56 1335# endif /* !getenv */
a0d0e21e 1336Off_t lseek _((int,Off_t,int));
26618a56 1337# endif /* !DONT_DECLARE_STD */
a0d0e21e 1338char *getlogin _((void));
26618a56 1339#endif /* !__cplusplus */
79072805 1340
16d20bd9 1341#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 1342#define UNLINK unlnk
a0d0e21e 1343I32 unlnk _((char*));
8d063cd8 1344#else
1345#define UNLINK unlink
1346#endif
a687059c 1347
fe14fcc3 1348#ifndef HAS_SETREUID
85e6fe83 1349# ifdef HAS_SETRESUID
1350# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1351# define HAS_SETREUID
1352# endif
a687059c 1353#endif
fe14fcc3 1354#ifndef HAS_SETREGID
85e6fe83 1355# ifdef HAS_SETRESGID
1356# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1357# define HAS_SETREGID
1358# endif
a687059c 1359#endif
ee0007ab 1360
ff68c719 1361typedef Signal_t (*Sighandler_t) _((int));
1362
1363#ifdef HAS_SIGACTION
1364typedef struct sigaction Sigsave_t;
1365#else
1366typedef Sighandler_t Sigsave_t;
1367#endif
1368
ee0007ab 1369#define SCAN_DEF 0
1370#define SCAN_TR 1
1371#define SCAN_REPL 2
79072805 1372
1373#ifdef DEBUGGING
4633a7c4 1374# ifndef register
a0d0e21e 1375# define register
1376# endif
1377# define PAD_SV(po) pad_sv(po)
2ddcc7aa 1378# define RUNOPS_DEFAULT runops_debug
79072805 1379#else
a0d0e21e 1380# define PAD_SV(po) curpad[po]
2ddcc7aa 1381# define RUNOPS_DEFAULT runops_standard
79072805 1382#endif
1383
18f739ee 1384#ifdef MYMALLOC
1385# define MALLOC_INIT MUTEX_INIT(&malloc_mutex)
1386# define MALLOC_TERM MUTEX_DESTROY(&malloc_mutex)
1387#else
1388# define MALLOC_INIT
1389# define MALLOC_TERM
1390#endif
1391
b6d9d515 1392
44a0ac01 1393/*
1394 * These need prototyping here because <proto.h> isn't
1395 * included until after runops is initialised.
1396 */
1397
49f531da 1398typedef int runops_proc_t _((void));
44a0ac01 1399int runops_standard _((void));
1400#ifdef DEBUGGING
1401int runops_debug _((void));
1402#endif
1403
940cb80d 1404/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 1405#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 1406
0c30d9ec 1407/* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1408#if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
16de4a3e 1409#if !defined(DONT_DECLARE_STD) \
1410 || (defined(__svr4__) && defined(__GNUC__) && defined(sun)) \
1411 || defined(__sgi) || defined(__DGUX)
79072805 1412extern char ** environ; /* environment variables supplied via exec */
a0d0e21e 1413#endif
0c30d9ec 1414#else
1415# if defined(NeXT) && defined(__DYNAMIC__)
1416
1417# include <mach-o/dyld.h>
1418EXT char *** environ_pointer;
1419# define environ (*environ_pointer)
1420# endif
1421#endif /* environ processing */
1422
79072805 1423
1424/* for tmp use in stupid debuggers */
1425EXT int * di;
1426EXT short * ds;
1427EXT char * dc;
1428
1429/* handy constants */
3e3baf6d 1430EXTCONST char warn_uninit[]
a0d0e21e 1431 INIT("Use of uninitialized value");
3e3baf6d 1432EXTCONST char warn_nosemi[]
463ee0b2 1433 INIT("Semicolon seems to be missing");
3e3baf6d 1434EXTCONST char warn_reserved[]
463ee0b2 1435 INIT("Unquoted string \"%s\" may clash with future reserved word");
3e3baf6d 1436EXTCONST char warn_nl[]
93a17b20 1437 INIT("Unsuccessful %s on filename containing newline");
3e3baf6d 1438EXTCONST char no_wrongref[]
a0d0e21e 1439 INIT("Can't use %s ref as %s ref");
3e3baf6d 1440EXTCONST char no_symref[]
748a9306 1441 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
3e3baf6d 1442EXTCONST char no_usym[]
8990e307 1443 INIT("Can't use an undefined value as %s reference");
3e3baf6d 1444EXTCONST char no_aelem[]
93a17b20 1445 INIT("Modification of non-creatable array value attempted, subscript %d");
3e3baf6d 1446EXTCONST char no_helem[]
93a17b20 1447 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
3e3baf6d 1448EXTCONST char no_modify[]
93a17b20 1449 INIT("Modification of a read-only value attempted");
3e3baf6d 1450EXTCONST char no_mem[]
93a17b20 1451 INIT("Out of memory!\n");
3e3baf6d 1452EXTCONST char no_security[]
463ee0b2 1453 INIT("Insecure dependency in %s%s");
3e3baf6d 1454EXTCONST char no_sock_func[]
93a17b20 1455 INIT("Unsupported socket function \"%s\" called");
3e3baf6d 1456EXTCONST char no_dir_func[]
93a17b20 1457 INIT("Unsupported directory function \"%s\" called");
3e3baf6d 1458EXTCONST char no_func[]
93a17b20 1459 INIT("The %s function is unimplemented");
3e3baf6d 1460EXTCONST char no_myglob[]
748a9306 1461 INIT("\"my\" variable %s can't be in a package");
93a17b20 1462
79072805 1463#ifdef DOINIT
8e07c86e 1464EXT char *sig_name[] = { SIG_NAME };
1465EXT int sig_num[] = { SIG_NUM };
0c30d9ec 1466EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1467EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
79072805 1468#else
1469EXT char *sig_name[];
8e07c86e 1470EXT int sig_num[];
0c30d9ec 1471EXT SV * psig_ptr[];
1472EXT SV * psig_name[];
79072805 1473#endif
1474
bbce6d69 1475/* fast case folding tables */
1476
79072805 1477#ifdef DOINIT
36477c24 1478EXTCONST unsigned char fold[] = {
79072805 1479 0, 1, 2, 3, 4, 5, 6, 7,
1480 8, 9, 10, 11, 12, 13, 14, 15,
1481 16, 17, 18, 19, 20, 21, 22, 23,
1482 24, 25, 26, 27, 28, 29, 30, 31,
1483 32, 33, 34, 35, 36, 37, 38, 39,
1484 40, 41, 42, 43, 44, 45, 46, 47,
1485 48, 49, 50, 51, 52, 53, 54, 55,
1486 56, 57, 58, 59, 60, 61, 62, 63,
1487 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1488 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1489 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1490 'x', 'y', 'z', 91, 92, 93, 94, 95,
1491 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1492 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1493 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1494 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1495 128, 129, 130, 131, 132, 133, 134, 135,
1496 136, 137, 138, 139, 140, 141, 142, 143,
1497 144, 145, 146, 147, 148, 149, 150, 151,
1498 152, 153, 154, 155, 156, 157, 158, 159,
1499 160, 161, 162, 163, 164, 165, 166, 167,
1500 168, 169, 170, 171, 172, 173, 174, 175,
1501 176, 177, 178, 179, 180, 181, 182, 183,
1502 184, 185, 186, 187, 188, 189, 190, 191,
1503 192, 193, 194, 195, 196, 197, 198, 199,
1504 200, 201, 202, 203, 204, 205, 206, 207,
1505 208, 209, 210, 211, 212, 213, 214, 215,
1506 216, 217, 218, 219, 220, 221, 222, 223,
1507 224, 225, 226, 227, 228, 229, 230, 231,
1508 232, 233, 234, 235, 236, 237, 238, 239,
1509 240, 241, 242, 243, 244, 245, 246, 247,
1510 248, 249, 250, 251, 252, 253, 254, 255
1511};
1512#else
71be2cbc 1513EXTCONST unsigned char fold[];
79072805 1514#endif
1515
1516#ifdef DOINIT
bbce6d69 1517EXT unsigned char fold_locale[] = {
79072805 1518 0, 1, 2, 3, 4, 5, 6, 7,
1519 8, 9, 10, 11, 12, 13, 14, 15,
1520 16, 17, 18, 19, 20, 21, 22, 23,
1521 24, 25, 26, 27, 28, 29, 30, 31,
1522 32, 33, 34, 35, 36, 37, 38, 39,
1523 40, 41, 42, 43, 44, 45, 46, 47,
1524 48, 49, 50, 51, 52, 53, 54, 55,
1525 56, 57, 58, 59, 60, 61, 62, 63,
1526 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1527 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1528 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1529 'x', 'y', 'z', 91, 92, 93, 94, 95,
1530 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1531 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1532 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1533 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1534 128, 129, 130, 131, 132, 133, 134, 135,
1535 136, 137, 138, 139, 140, 141, 142, 143,
1536 144, 145, 146, 147, 148, 149, 150, 151,
1537 152, 153, 154, 155, 156, 157, 158, 159,
1538 160, 161, 162, 163, 164, 165, 166, 167,
1539 168, 169, 170, 171, 172, 173, 174, 175,
1540 176, 177, 178, 179, 180, 181, 182, 183,
1541 184, 185, 186, 187, 188, 189, 190, 191,
1542 192, 193, 194, 195, 196, 197, 198, 199,
1543 200, 201, 202, 203, 204, 205, 206, 207,
1544 208, 209, 210, 211, 212, 213, 214, 215,
1545 216, 217, 218, 219, 220, 221, 222, 223,
1546 224, 225, 226, 227, 228, 229, 230, 231,
1547 232, 233, 234, 235, 236, 237, 238, 239,
1548 240, 241, 242, 243, 244, 245, 246, 247,
1549 248, 249, 250, 251, 252, 253, 254, 255
1550};
1551#else
bbce6d69 1552EXT unsigned char fold_locale[];
79072805 1553#endif
1554
1555#ifdef DOINIT
71be2cbc 1556EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
79072805 1557 1, 2, 84, 151, 154, 155, 156, 157,
1558 165, 246, 250, 3, 158, 7, 18, 29,
1559 40, 51, 62, 73, 85, 96, 107, 118,
1560 129, 140, 147, 148, 149, 150, 152, 153,
1561 255, 182, 224, 205, 174, 176, 180, 217,
1562 233, 232, 236, 187, 235, 228, 234, 226,
1563 222, 219, 211, 195, 188, 193, 185, 184,
1564 191, 183, 201, 229, 181, 220, 194, 162,
1565 163, 208, 186, 202, 200, 218, 198, 179,
1566 178, 214, 166, 170, 207, 199, 209, 206,
1567 204, 160, 212, 216, 215, 192, 175, 173,
1568 243, 172, 161, 190, 203, 189, 164, 230,
1569 167, 248, 227, 244, 242, 255, 241, 231,
1570 240, 253, 169, 210, 245, 237, 249, 247,
1571 239, 168, 252, 251, 254, 238, 223, 221,
1572 213, 225, 177, 197, 171, 196, 159, 4,
1573 5, 6, 8, 9, 10, 11, 12, 13,
1574 14, 15, 16, 17, 19, 20, 21, 22,
1575 23, 24, 25, 26, 27, 28, 30, 31,
1576 32, 33, 34, 35, 36, 37, 38, 39,
1577 41, 42, 43, 44, 45, 46, 47, 48,
1578 49, 50, 52, 53, 54, 55, 56, 57,
1579 58, 59, 60, 61, 63, 64, 65, 66,
1580 67, 68, 69, 70, 71, 72, 74, 75,
1581 76, 77, 78, 79, 80, 81, 82, 83,
1582 86, 87, 88, 89, 90, 91, 92, 93,
1583 94, 95, 97, 98, 99, 100, 101, 102,
1584 103, 104, 105, 106, 108, 109, 110, 111,
1585 112, 113, 114, 115, 116, 117, 119, 120,
1586 121, 122, 123, 124, 125, 126, 127, 128,
1587 130, 131, 132, 133, 134, 135, 136, 137,
1588 138, 139, 141, 142, 143, 144, 145, 146
1589};
1590#else
71be2cbc 1591EXTCONST unsigned char freq[];
79072805 1592#endif
1593
8990e307 1594#ifdef DEBUGGING
1595#ifdef DOINIT
71be2cbc 1596EXTCONST char* block_type[] = {
8990e307 1597 "NULL",
1598 "SUB",
1599 "EVAL",
1600 "LOOP",
1601 "SUBST",
1602 "BLOCK",
1603};
1604#else
71be2cbc 1605EXTCONST char* block_type[];
8990e307 1606#endif
1607#endif
1608
79072805 1609/*****************************************************************************/
1610/* This lexer/parser stuff is currently global since yacc is hard to reenter */
1611/*****************************************************************************/
8990e307 1612/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 1613
a0d0e21e 1614#include "perly.h"
1615
fb73857a 1616#define LEX_NOTPARSING 11 /* borrowed from toke.c */
1617
79072805 1618typedef enum {
1619 XOPERATOR,
1620 XTERM,
79072805 1621 XREF,
8990e307 1622 XSTATE,
a0d0e21e 1623 XBLOCK,
1624 XTERMBLOCK
79072805 1625} expectation;
1626
85e6fe83 1627
1628 /* Note: the lowest 8 bits are reserved for
1629 stuffing into op->op_private */
1630#define HINT_INTEGER 0x00000001
1631#define HINT_STRICT_REFS 0x00000002
1632
1633#define HINT_BLOCK_SCOPE 0x00000100
1634#define HINT_STRICT_SUBS 0x00000200
1635#define HINT_STRICT_VARS 0x00000400
bbce6d69 1636#define HINT_LOCALE 0x00000800
85e6fe83 1637
d4cce5f1 1638/* Various states of an input record separator SV (rs, nrs) */
1639#define RsSNARF(sv) (! SvOK(sv))
1640#define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1641#define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
79072805 1642
22239a37 1643/* Set up PERLVAR macros for populating structs */
1644#define PERLVAR(var,type) type var;
1645#define PERLVARI(var,type,init) type var;
3fe35a81 1646#define PERLVARIC(var,type,init) type var;
22239a37 1647
1648#ifdef PERL_GLOBAL_STRUCT
1649struct perl_vars {
1650#include "perlvars.h"
1651};
1652
1653#ifdef PERL_CORE
1654EXT struct perl_vars Perl_Vars;
1655EXT struct perl_vars *Perl_VarsPtr INIT(&Perl_Vars);
1656#else
1657#if !defined(__GNUC__) || !defined(WIN32)
1658EXT
1659#endif
1660struct perl_vars *Perl_VarsPtr;
1661#define Perl_Vars (*((Perl_VarsPtr) ? Perl_VarsPtr : (Perl_VarsPtr = Perl_GetVars())))
1662#endif
1663#endif /* PERL_GLOBAL_STRUCT */
1664
8990e307 1665#ifdef MULTIPLICITY
d4cce5f1 1666/* If we have multiple interpreters define a struct
1667 holding variables which must be per-interpreter
1668 If we don't have threads anything that would have
1669 be per-thread is per-interpreter.
1670*/
1671
79072805 1672struct interpreter {
d4cce5f1 1673#ifndef USE_THREADS
1674#include "thrdvar.h"
1675#endif
1676#include "intrpvar.h"
49f531da 1677};
d4cce5f1 1678
79072805 1679#else
49f531da 1680struct interpreter {
1681 char broiled;
1682};
79072805 1683#endif
1684
d4cce5f1 1685#ifdef USE_THREADS
1686/* If we have threads define a struct with all the variables
1687 * that have to be per-thread
49f531da 1688 */
8023c3ce 1689
79072805 1690
49f531da 1691struct perl_thread {
49f531da 1692#include "thrdvar.h"
79072805 1693};
d4cce5f1 1694
22fae026 1695typedef struct perl_thread *Thread;
1696
1697#else
1698typedef void *Thread;
22239a37 1699#endif
1700
1701/* Done with PERLVAR macros for now ... */
d4cce5f1 1702#undef PERLVAR
1703#undef PERLVARI
3fe35a81 1704#undef PERLVARIC
79072805 1705
22239a37 1706#include "thread.h"
79072805 1707#include "pp.h"
79072805 1708#include "proto.h"
1709
a0d0e21e 1710#ifdef EMBED
1711#define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1712#define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1713#else
1714#define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1715#define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1716#endif
1717
d4cce5f1 1718/* The following must follow proto.h as #defines mess up syntax */
1719
1720#include "embedvar.h"
1721
1722/* Now include all the 'global' variables
1723 * If we don't have threads or multiple interpreters
1724 * these include variables that would have been their struct-s
1725 */
1726
1727#define PERLVAR(var,type) EXT type var;
1728#define PERLVARI(var,type,init) EXT type var INIT(init);
3fe35a81 1729#define PERLVARIC(var,type,init) EXTCONST type var INIT(init);
d4cce5f1 1730
22239a37 1731#ifndef PERL_GLOBAL_STRUCT
d4cce5f1 1732#include "perlvars.h"
22239a37 1733#endif
d4cce5f1 1734
1735#ifndef MULTIPLICITY
d4cce5f1 1736
1737#ifndef USE_THREADS
1738#include "thrdvar.h"
1739#endif
1740
22239a37 1741#include "intrpvar.h"
1742#endif
1743
1744
d4cce5f1 1745#undef PERLVAR
1746#undef PERLVARI
0f3f18a6 1747#undef PERLVARIC
79072805 1748
a835ef8a 1749#if defined(HASATTRIBUTE) && defined(WIN32)
1750/*
1751 * This provides a layer of functions and macros to ensure extensions will
1752 * get to use the same RTL functions as the core.
1753 * It has to go here or #define of printf messes up __attribute__
1754 * stuff in proto.h
1755 */
1756# include <win32iop.h>
1757#endif /* WIN32 */
1758
79072805 1759#ifdef DOINIT
bbce6d69 1760
4633a7c4 1761EXT MGVTBL vtbl_sv = {magic_get,
463ee0b2 1762 magic_set,
1763 magic_len,
1764 0, 0};
fb73857a 1765EXT MGVTBL vtbl_env = {0, magic_set_all_env,
1766 0, magic_clear_all_env,
66b1d557 1767 0};
4633a7c4 1768EXT MGVTBL vtbl_envelem = {0, magic_setenv,
85e6fe83 1769 0, magic_clearenv,
1770 0};
4633a7c4 1771EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
0c30d9ec 1772EXT MGVTBL vtbl_sigelem = {magic_getsig,
1773 magic_setsig,
1774 0, magic_clearsig,
1775 0};
93965878 1776EXT MGVTBL vtbl_pack = {0, 0, magic_sizepack, magic_wipepack,
a0d0e21e 1777 0};
4633a7c4 1778EXT MGVTBL vtbl_packelem = {magic_getpack,
463ee0b2 1779 magic_setpack,
1780 0, magic_clearpack,
1781 0};
4633a7c4 1782EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
463ee0b2 1783 0, 0, 0};
4633a7c4 1784EXT MGVTBL vtbl_isa = {0, magic_setisa,
fb73857a 1785 0, magic_setisa,
1786 0};
4633a7c4 1787EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
463ee0b2 1788 0, 0, 0};
4633a7c4 1789EXT MGVTBL vtbl_arylen = {magic_getarylen,
463ee0b2 1790 magic_setarylen,
1791 0, 0, 0};
4633a7c4 1792EXT MGVTBL vtbl_glob = {magic_getglob,
463ee0b2 1793 magic_setglob,
1794 0, 0, 0};
4633a7c4 1795EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
463ee0b2 1796 0, 0, 0};
99abf803 1797EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1798 0, 0, 0};
4633a7c4 1799EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
463ee0b2 1800 0, 0, 0};
4633a7c4 1801EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
463ee0b2 1802 0, 0, 0};
4633a7c4 1803EXT MGVTBL vtbl_vec = {0, magic_setvec,
463ee0b2 1804 0, 0, 0};
4633a7c4 1805EXT MGVTBL vtbl_pos = {magic_getpos,
a0d0e21e 1806 magic_setpos,
1807 0, 0, 0};
4633a7c4 1808EXT MGVTBL vtbl_bm = {0, magic_setbm,
463ee0b2 1809 0, 0, 0};
55497cff 1810EXT MGVTBL vtbl_fm = {0, magic_setfm,
1811 0, 0, 0};
4633a7c4 1812EXT MGVTBL vtbl_uvar = {magic_getuvar,
463ee0b2 1813 magic_setuvar,
1814 0, 0, 0};
f93b4edd 1815#ifdef USE_THREADS
1816EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
1817#endif /* USE_THREADS */
68dc0745 1818EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
1819 0, 0, magic_freedefelem};
a0d0e21e 1820
c277df42 1821EXT MGVTBL vtbl_regexp = {0,0,0,0, magic_freeregexp};
1822
36477c24 1823#ifdef USE_LOCALE_COLLATE
bbce6d69 1824EXT MGVTBL vtbl_collxfrm = {0,
1825 magic_setcollxfrm,
1826 0, 0, 0};
1827#endif
a0d0e21e 1828
1829#ifdef OVERLOAD
4633a7c4 1830EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
748a9306 1831 0, 0, magic_setamagic};
4633a7c4 1832EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
748a9306 1833 0, 0, magic_setamagic};
a0d0e21e 1834#endif /* OVERLOAD */
1835
bbce6d69 1836#else /* !DOINIT */
1837
79072805 1838EXT MGVTBL vtbl_sv;
1839EXT MGVTBL vtbl_env;
1840EXT MGVTBL vtbl_envelem;
1841EXT MGVTBL vtbl_sig;
1842EXT MGVTBL vtbl_sigelem;
463ee0b2 1843EXT MGVTBL vtbl_pack;
1844EXT MGVTBL vtbl_packelem;
79072805 1845EXT MGVTBL vtbl_dbline;
463ee0b2 1846EXT MGVTBL vtbl_isa;
1847EXT MGVTBL vtbl_isaelem;
79072805 1848EXT MGVTBL vtbl_arylen;
1849EXT MGVTBL vtbl_glob;
93a17b20 1850EXT MGVTBL vtbl_mglob;
99abf803 1851EXT MGVTBL vtbl_nkeys;
463ee0b2 1852EXT MGVTBL vtbl_taint;
79072805 1853EXT MGVTBL vtbl_substr;
1854EXT MGVTBL vtbl_vec;
a0d0e21e 1855EXT MGVTBL vtbl_pos;
79072805 1856EXT MGVTBL vtbl_bm;
55497cff 1857EXT MGVTBL vtbl_fm;
79072805 1858EXT MGVTBL vtbl_uvar;
a0d0e21e 1859
f93b4edd 1860#ifdef USE_THREADS
1861EXT MGVTBL vtbl_mutex;
1862#endif /* USE_THREADS */
1863
68dc0745 1864EXT MGVTBL vtbl_defelem;
c277df42 1865EXT MGVTBL vtbl_regexp;
a0d0e21e 1866
36477c24 1867#ifdef USE_LOCALE_COLLATE
bbce6d69 1868EXT MGVTBL vtbl_collxfrm;
1869#endif
a0d0e21e 1870
1871#ifdef OVERLOAD
1872EXT MGVTBL vtbl_amagic;
1873EXT MGVTBL vtbl_amagicelem;
1874#endif /* OVERLOAD */
1875
bbce6d69 1876#endif /* !DOINIT */
85e6fe83 1877
a0d0e21e 1878#ifdef OVERLOAD
c0315cdf 1879
a6006777 1880#define NofAMmeth 58
a0d0e21e 1881#ifdef DOINIT
a6006777 1882EXTCONST char * AMG_names[NofAMmeth] = {
1883 "fallback", "abs", /* "fallback" should be the first. */
1884 "bool", "nomethod",
1885 "\"\"", "0+",
1886 "+", "+=",
1887 "-", "-=",
1888 "*", "*=",
1889 "/", "/=",
1890 "%", "%=",
1891 "**", "**=",
1892 "<<", "<<=",
1893 ">>", ">>=",
1894 "&", "&=",
1895 "|", "|=",
1896 "^", "^=",
1897 "<", "<=",
1898 ">", ">=",
1899 "==", "!=",
1900 "<=>", "cmp",
1901 "lt", "le",
1902 "gt", "ge",
1903 "eq", "ne",
1904 "!", "~",
1905 "++", "--",
1906 "atan2", "cos",
1907 "sin", "exp",
1908 "log", "sqrt",
1909 "x", "x=",
1910 ".", ".=",
1911 "=", "neg"
a0d0e21e 1912};
1913#else
a6006777 1914EXTCONST char * AMG_names[NofAMmeth];
a0d0e21e 1915#endif /* def INITAMAGIC */
1916
a6006777 1917struct am_table {
a0d0e21e 1918 long was_ok_sub;
1919 long was_ok_am;
a6006777 1920 U32 flags;
1921 CV* table[NofAMmeth];
a0d0e21e 1922 long fallback;
1923};
a6006777 1924struct am_table_short {
1925 long was_ok_sub;
1926 long was_ok_am;
1927 U32 flags;
1928};
a0d0e21e 1929typedef struct am_table AMT;
a6006777 1930typedef struct am_table_short AMTS;
a0d0e21e 1931
1932#define AMGfallNEVER 1
1933#define AMGfallNO 2
1934#define AMGfallYES 3
1935
a6006777 1936#define AMTf_AMAGIC 1
1937#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
1938#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
1939#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
1940
a0d0e21e 1941enum {
1942 fallback_amg, abs_amg,
1943 bool__amg, nomethod_amg,
1944 string_amg, numer_amg,
1945 add_amg, add_ass_amg,
1946 subtr_amg, subtr_ass_amg,
1947 mult_amg, mult_ass_amg,
1948 div_amg, div_ass_amg,
1949 mod_amg, mod_ass_amg,
1950 pow_amg, pow_ass_amg,
1951 lshift_amg, lshift_ass_amg,
1952 rshift_amg, rshift_ass_amg,
748a9306 1953 band_amg, band_ass_amg,
1954 bor_amg, bor_ass_amg,
1955 bxor_amg, bxor_ass_amg,
a0d0e21e 1956 lt_amg, le_amg,
1957 gt_amg, ge_amg,
1958 eq_amg, ne_amg,
1959 ncmp_amg, scmp_amg,
1960 slt_amg, sle_amg,
1961 sgt_amg, sge_amg,
1962 seq_amg, sne_amg,
a0d0e21e 1963 not_amg, compl_amg,
1964 inc_amg, dec_amg,
1965 atan2_amg, cos_amg,
1966 sin_amg, exp_amg,
1967 log_amg, sqrt_amg,
1968 repeat_amg, repeat_ass_amg,
748a9306 1969 concat_amg, concat_ass_amg,
1970 copy_amg, neg_amg
a0d0e21e 1971};
c0315cdf 1972
1973/*
1974 * some compilers like to redefine cos et alia as faster
1975 * (and less accurate?) versions called F_cos et cetera (Quidquid
1976 * latine dictum sit, altum viditur.) This trick collides with
1977 * the Perl overloading (amg). The following #defines fool both.
1978 */
1979
1980#ifdef _FASTMATH
1981# ifdef atan2
1982# define F_atan2_amg atan2_amg
1983# endif
1984# ifdef cos
1985# define F_cos_amg cos_amg
1986# endif
1987# ifdef exp
1988# define F_exp_amg exp_amg
1989# endif
1990# ifdef log
1991# define F_log_amg log_amg
1992# endif
1993# ifdef pow
1994# define F_pow_amg pow_amg
1995# endif
1996# ifdef sin
1997# define F_sin_amg sin_amg
1998# endif
1999# ifdef sqrt
2000# define F_sqrt_amg sqrt_amg
2001# endif
2002#endif /* _FASTMATH */
2003
a0d0e21e 2004#endif /* OVERLOAD */
2005
84902520 2006#define PERLDB_ALL 0xff
2007#define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2008#define PERLDBf_LINE 0x02 /* Keep line #. */
2009#define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2010#define PERLDBf_INTER 0x08 /* Preserve more data for
2011 later inspections. */
2012#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2013#define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2014
2015#define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2016#define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2017#define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2018#define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2019#define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2020#define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2021
bbce6d69 2022
36477c24 2023#ifdef USE_LOCALE_NUMERIC
bbce6d69 2024
36477c24 2025#define SET_NUMERIC_STANDARD() \
2026 STMT_START { \
2027 if (! numeric_standard) \
2028 perl_set_numeric_standard(); \
2029 } STMT_END
2030
2031#define SET_NUMERIC_LOCAL() \
2032 STMT_START { \
2033 if (! numeric_local) \
2034 perl_set_numeric_local(); \
2035 } STMT_END
bbce6d69 2036
36477c24 2037#else /* !USE_LOCALE_NUMERIC */
bbce6d69 2038
36477c24 2039#define SET_NUMERIC_STANDARD() /**/
2040#define SET_NUMERIC_LOCAL() /**/
bbce6d69 2041
36477c24 2042#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 2043
e5c9fcd0 2044#if !defined(PERLIO_IS_STDIO) && defined(HASATTRIBUTE)
760ac839 2045/*
2046 * Now we have __attribute__ out of the way
2047 * Remap printf
2048 */
2049#define printf PerlIO_stdoutf
2050#endif
2051
a868473f 2052#ifndef PERL_SCRIPT_MODE
2053#define PERL_SCRIPT_MODE "r"
2054#endif
2055
fba3b22e 2056/*
2057 * nice_chunk and nice_chunk size need to be set
2058 * and queried under the protection of sv_mutex
2059 */
2060#define offer_nice_chunk(chunk, chunk_size) do { \
940cb80d 2061 LOCK_SV_MUTEX; \
fba3b22e 2062 if (!nice_chunk) { \
2063 nice_chunk = (char*)(chunk); \
2064 nice_chunk_size = (chunk_size); \
2065 } \
fc80cf79 2066 else { \
2067 Safefree(chunk); \
2068 } \
940cb80d 2069 UNLOCK_SV_MUTEX; \
fba3b22e 2070 } while (0)
2071
49f531da 2072
85e6fe83 2073#endif /* Include guard */
a6e633de 2074
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