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Use __declspec(thread) var rather tha TslAlloc & co.
[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
45#if defined(USE_THREADS) /* && !defined(PERL_CORE) && !defined(PERLDLL) */
46#ifndef CRIPPLED_CC
47#define CRIPPLED_CC
48#endif
49#endif
50
462e5cf6 51#ifdef OP_IN_REGISTER
52# ifdef __GNUC__
53# define stringify_immed(s) #s
54# define stringify(s) stringify_immed(s)
55register struct op *op asm(stringify(OP_IN_REGISTER));
56# endif
57#endif
58
728e2803 59/*
60 * STMT_START { statements; } STMT_END;
61 * can be used as a single statement, as in
62 * if (x) STMT_START { ... } STMT_END; else ...
63 *
64 * Trying to select a version that gives no warnings...
65 */
66#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 67# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 68# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
69# define STMT_END )
70# else
71 /* Now which other defined()s do we need here ??? */
72# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
73# define STMT_START if (1)
74# define STMT_END else (void)0
75# else
76# define STMT_START do
77# define STMT_END while (0)
78# endif
79# endif
80#endif
81
462e5cf6 82#define NOOP (void)0
83
0f15f207 84#define WITH_THR(s) do { dTHR; s; } while (0)
ea0efc06 85
55497cff 86/*
87 * SOFT_CAST can be used for args to prototyped functions to retain some
88 * type checking; it only casts if the compiler does not know prototypes.
89 */
90#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
91#define SOFT_CAST(type)
92#else
93#define SOFT_CAST(type) (type)
94#endif
79072805 95
96#ifndef BYTEORDER
97# define BYTEORDER 0x1234
98#endif
99
100/* Overall memory policy? */
101#ifndef CONSERVATIVE
102# define LIBERAL 1
103#endif
104
105/*
106 * The following contortions are brought to you on behalf of all the
107 * standards, semi-standards, de facto standards, not-so-de-facto standards
108 * of the world, as well as all the other botches anyone ever thought of.
109 * The basic theory is that if we work hard enough here, the rest of the
110 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
111 */
ac58e20f 112
ee0007ab 113/* define this once if either system, instead of cluttering up the src */
68dc0745 114#if defined(MSDOS) || defined(atarist) || defined(WIN32)
ee0007ab 115#define DOSISH 1
116#endif
117
a0d0e21e 118#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
352d5a3a 119# define STANDARD_C 1
120#endif
121
68dc0745 122#if defined(__cplusplus) || defined(WIN32)
123# define DONT_DECLARE_STD 1
124#endif
125
352d5a3a 126#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 127# ifdef __cplusplus
128# define VOL // to temporarily suppress warnings
129# else
130# define VOL volatile
131# endif
663a0e37 132#else
79072805 133# define VOL
663a0e37 134#endif
135
bbce6d69 136#define TAINT (tainted = TRUE)
137#define TAINT_NOT (tainted = FALSE)
138#define TAINT_IF(c) if (c) { tainted = TRUE; }
139#define TAINT_ENV() if (tainting) { taint_env(); }
140#define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
a687059c 141
a6e633de 142/* XXX All process group stuff is handled in pp_sys.c. Should these
143 defines move there? If so, I could simplify this a lot. --AD 9/96.
144*/
145/* Process group stuff changed from traditional BSD to POSIX.
146 perlfunc.pod documents the traditional BSD-style syntax, so we'll
147 try to preserve that, if possible.
148*/
149#ifdef HAS_SETPGID
150# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 151#else
a6e633de 152# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
153# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
154# else
155# ifdef HAS_SETPGRP2 /* DG/UX */
156# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
157# endif
158# endif
159#endif
160#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
161# define HAS_SETPGRP /* Well, effectively it does . . . */
162#endif
163
164/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
165 our life easier :-) so we'll try it.
166*/
167#ifdef HAS_GETPGID
168# define BSD_GETPGRP(pid) getpgid((pid))
169#else
170# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
171# define BSD_GETPGRP(pid) getpgrp((pid))
172# else
173# ifdef HAS_GETPGRP2 /* DG/UX */
174# define BSD_GETPGRP(pid) getpgrp2((pid))
175# endif
176# endif
177#endif
178#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
179# define HAS_GETPGRP /* Well, effectively it does . . . */
180#endif
181
182/* These are not exact synonyms, since setpgrp() and getpgrp() may
183 have different behaviors, but perl.h used to define USE_BSDPGRP
184 (prior to 5.003_05) so some extension might depend on it.
185*/
186#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
187# ifndef USE_BSDPGRP
188# define USE_BSDPGRP
189# endif
663a0e37 190#endif
191
760ac839 192#ifndef _TYPES_ /* If types.h defines this it's easy. */
193# ifndef major /* Does everyone's types.h define this? */
194# include <sys/types.h>
c07a80fd 195# endif
663a0e37 196#endif
197
760ac839 198#ifdef __cplusplus
199# ifndef I_STDARG
200# define I_STDARG 1
201# endif
202#endif
203
204#ifdef I_STDARG
205# include <stdarg.h>
206#else
207# ifdef I_VARARGS
208# include <varargs.h>
209# endif
210#endif
211
212#include "perlio.h"
0c30d9ec 213
4633a7c4 214#ifdef USE_NEXT_CTYPE
0c30d9ec 215
216#if NX_CURRENT_COMPILER_RELEASE >= 400
217#include <objc/NXCType.h>
218#else /* NX_CURRENT_COMPILER_RELEASE < 400 */
a0d0e21e 219#include <appkit/NXCType.h>
0c30d9ec 220#endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
221
222#else /* !USE_NEXT_CTYPE */
fe14fcc3 223#include <ctype.h>
0c30d9ec 224#endif /* USE_NEXT_CTYPE */
a0d0e21e 225
226#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
227#undef METHOD
a0d0e21e 228#endif
229
4633a7c4 230#ifdef I_LOCALE
36477c24 231# include <locale.h>
4633a7c4 232#endif
233
36477c24 234#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
235# define USE_LOCALE
236# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
237 && defined(HAS_STRXFRM)
238# define USE_LOCALE_COLLATE
239# endif
240# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
241# define USE_LOCALE_CTYPE
242# endif
243# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
244# define USE_LOCALE_NUMERIC
245# endif
246#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 247
fe14fcc3 248#include <setjmp.h>
79072805 249
a0d0e21e 250#ifdef I_SYS_PARAM
79072805 251# ifdef PARAM_NEEDS_TYPES
252# include <sys/types.h>
253# endif
254# include <sys/param.h>
352d5a3a 255#endif
79072805 256
257
258/* Use all the "standard" definitions? */
a0d0e21e 259#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 260# include <stdlib.h>
ff68c719 261#endif
03a14243 262
55497cff 263/* This comes after <stdlib.h> so we don't try to change the standard
264 * library prototypes; we'll use our own in proto.h instead. */
03a14243 265
4633a7c4 266#ifdef MYMALLOC
55497cff 267
4633a7c4 268# ifdef HIDEMYMALLOC
55497cff 269# define malloc Mymalloc
270# define calloc Mycalloc
4633a7c4 271# define realloc Myremalloc
55497cff 272# define free Myfree
273# endif
274# ifdef EMBEDMYMALLOC
275# define malloc Perl_malloc
276# define calloc Perl_calloc
277# define realloc Perl_realloc
278# define free Perl_free
4633a7c4 279# endif
55497cff 280
281# undef safemalloc
282# undef safecalloc
283# undef saferealloc
284# undef safefree
285# define safemalloc malloc
286# define safecalloc calloc
4633a7c4 287# define saferealloc realloc
55497cff 288# define safefree free
289
290#endif /* MYMALLOC */
4633a7c4 291
a0d0e21e 292#define MEM_SIZE Size_t
293
ff68c719 294#if defined(STANDARD_C) && defined(I_STDDEF)
295# include <stddef.h>
71be2cbc 296# define STRUCT_OFFSET(s,m) offsetof(s,m)
ff68c719 297#else
71be2cbc 298# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
ff68c719 299#endif
300
a0d0e21e 301#if defined(I_STRING) || defined(__cplusplus)
302# include <string.h>
303#else
304# include <strings.h>
305#endif
306
307#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
308#define strchr index
309#define strrchr rindex
310#endif
311
16d20bd9 312#ifdef I_MEMORY
313# include <memory.h>
314#endif
315
fe14fcc3 316#ifdef HAS_MEMCPY
85e6fe83 317# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 318# ifndef memcpy
a0d0e21e 319 extern char * memcpy _((char*, char*, int));
ee0007ab 320# endif
321# endif
322#else
323# ifndef memcpy
324# ifdef HAS_BCOPY
325# define memcpy(d,s,l) bcopy(s,d,l)
326# else
327# define memcpy(d,s,l) my_bcopy(s,d,l)
328# endif
329# endif
330#endif /* HAS_MEMCPY */
fe14fcc3 331
ee0007ab 332#ifdef HAS_MEMSET
85e6fe83 333# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 334# ifndef memset
a0d0e21e 335 extern char *memset _((char*, int, int));
ee0007ab 336# endif
337# endif
ee0007ab 338#else
fc36a67e 339# define memset(d,c,l) my_memset(d,c,l)
ee0007ab 340#endif /* HAS_MEMSET */
341
85e6fe83 342#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 343# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805 344# define memmove(d,s,l) bcopy(s,d,l)
345# else
2304df62 346# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 347# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 348# else
79072805 349# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 350# endif
352d5a3a 351# endif
d9d8d8de 352#endif
ee0007ab 353
36477c24 354#if defined(mips) && defined(ultrix) && !defined(__STDC__)
355# undef HAS_MEMCMP
356#endif
357
358#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 359# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 360# ifndef memcmp
a0d0e21e 361 extern int memcmp _((char*, char*, int));
ee0007ab 362# endif
363# endif
36477c24 364# ifdef BUGGY_MSC
365 # pragma function(memcmp)
366# endif
ee0007ab 367#else
368# ifndef memcmp
ecfc5424 369# define memcmp my_memcmp
352d5a3a 370# endif
36477c24 371#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 372
fc36a67e 373#ifndef memzero
c635e13b 374# ifdef HAS_MEMSET
375# define memzero(d,l) memset(d,0,l)
79072805 376# else
c635e13b 377# ifdef HAS_BZERO
378# define memzero(d,l) bzero(d,l)
79072805 379# else
fc36a67e 380# define memzero(d,l) my_bzero(d,l)
79072805 381# endif
382# endif
d9d8d8de 383#endif
378cc40b 384
36477c24 385#ifndef HAS_BCMP
386# ifndef bcmp
387# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 388# endif
36477c24 389#endif /* !HAS_BCMP */
378cc40b 390
ae986130 391#ifdef I_NETINET_IN
79072805 392# include <netinet/in.h>
ae986130 393#endif
394
84902520 395#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
396/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
397 * (the neo-BSD seem to do this). */
398# undef SF_APPEND
399#endif
400
1aef975c 401#ifdef I_SYS_STAT
84902520 402# include <sys/stat.h>
1aef975c 403#endif
79072805 404
a0d0e21e 405/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
406 like UTekV) are broken, sometimes giving false positives. Undefine
407 them here and let the code below set them to proper values.
408
409 The ghs macro stands for GreenHills Software C-1.8.5 which
410 is the C compiler for sysV88 and the various derivatives.
411 This header file bug is corrected in gcc-2.5.8 and later versions.
412 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
413
414#if defined(uts) || (defined(m88k) && defined(ghs))
79072805 415# undef S_ISDIR
416# undef S_ISCHR
417# undef S_ISBLK
418# undef S_ISREG
419# undef S_ISFIFO
420# undef S_ISLNK
ee0007ab 421#endif
135863df 422
663a0e37 423#ifdef I_TIME
424# include <time.h>
ffed7fef 425#endif
663a0e37 426
fe14fcc3 427#ifdef I_SYS_TIME
85e6fe83 428# ifdef I_SYS_TIME_KERNEL
663a0e37 429# define KERNEL
430# endif
431# include <sys/time.h>
85e6fe83 432# ifdef I_SYS_TIME_KERNEL
663a0e37 433# undef KERNEL
434# endif
a687059c 435#endif
135863df 436
55497cff 437#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 438# include <sys/times.h>
d9d8d8de 439#endif
8d063cd8 440
fe14fcc3 441#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 442# undef HAS_STRERROR
663a0e37 443#endif
444
a0d0e21e 445#ifndef HAS_MKFIFO
446# ifndef mkfifo
447# define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
448# endif
449#endif /* !HAS_MKFIFO */
450
663a0e37 451#include <errno.h>
ed6116ce 452#ifdef HAS_SOCKET
85e6fe83 453# ifdef I_NET_ERRNO
ed6116ce 454# include <net/errno.h>
455# endif
456#endif
f86702cc 457
458#ifdef VMS
459# define SETERRNO(errcode,vmserrcode) \
460 STMT_START { \
461 set_errno(errcode); \
462 set_vaxc_errno(vmserrcode); \
463 } STMT_END
748a9306 464#else
f86702cc 465# define SETERRNO(errcode,vmserrcode) errno = (errcode)
748a9306 466#endif
ed6116ce 467
38a03e6e 468#ifdef USE_THREADS
469# define ERRSV (thr->errsv)
470# define ERRHV (thr->errhv)
471#else
472# define ERRSV GvSV(errgv)
473# define ERRHV GvHV(errgv)
474#endif /* USE_THREADS */
475
55497cff 476#ifndef errno
79072805 477 extern int errno; /* ANSI allows errno to be an lvalue expr */
d9d8d8de 478#endif
663a0e37 479
2304df62 480#ifdef HAS_STRERROR
a0d0e21e 481# ifdef VMS
482 char *strerror _((int,...));
483# else
68dc0745 484#ifndef DONT_DECLARE_STD
a0d0e21e 485 char *strerror _((int));
68dc0745 486#endif
a0d0e21e 487# endif
2304df62 488# ifndef Strerror
489# define Strerror strerror
490# endif
491#else
492# ifdef HAS_SYS_ERRLIST
79072805 493 extern int sys_nerr;
494 extern char *sys_errlist[];
2304df62 495# ifndef Strerror
496# define Strerror(e) \
79072805 497 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 498# endif
79072805 499# endif
35c8bce7 500#endif
663a0e37 501
2304df62 502#ifdef I_SYS_IOCTL
79072805 503# ifndef _IOCTL_
504# include <sys/ioctl.h>
505# endif
a687059c 506#endif
507
ee0007ab 508#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805 509# ifdef HAS_SOCKETPAIR
510# undef HAS_SOCKETPAIR
511# endif
2304df62 512# ifdef I_NDBM
513# undef I_NDBM
79072805 514# endif
a687059c 515#endif
516
a687059c 517#if INTSIZE == 2
79072805 518# define htoni htons
519# define ntohi ntohs
a687059c 520#else
79072805 521# define htoni htonl
522# define ntohi ntohl
a687059c 523#endif
524
a0d0e21e 525/* Configure already sets Direntry_t */
35c8bce7 526#if defined(I_DIRENT)
663a0e37 527# include <dirent.h>
a0d0e21e 528# if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
529# include <sys/dir.h>
530# endif
ae986130 531#else
fe14fcc3 532# ifdef I_SYS_NDIR
79a0689e 533# include <sys/ndir.h>
663a0e37 534# else
fe14fcc3 535# ifdef I_SYS_DIR
79a0689e 536# ifdef hp9000s500
537# include <ndir.h> /* may be wrong in the future */
538# else
539# include <sys/dir.h>
540# endif
663a0e37 541# endif
542# endif
4633a7c4 543#endif
a687059c 544
352d5a3a 545#ifdef FPUTS_BOTCH
546/* work around botch in SunOS 4.0.1 and 4.0.2 */
547# ifndef fputs
79072805 548# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a 549# endif
550#endif
551
c623bd54 552/*
553 * The following gobbledygook brought to you on behalf of __STDC__.
554 * (I could just use #ifndef __STDC__, but this is more bulletproof
555 * in the face of half-implementations.)
556 */
557
558#ifndef S_IFMT
559# ifdef _S_IFMT
560# define S_IFMT _S_IFMT
561# else
562# define S_IFMT 0170000
563# endif
564#endif
565
566#ifndef S_ISDIR
567# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
568#endif
569
570#ifndef S_ISCHR
571# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
572#endif
573
574#ifndef S_ISBLK
fe14fcc3 575# ifdef S_IFBLK
576# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
577# else
578# define S_ISBLK(m) (0)
579# endif
c623bd54 580#endif
581
582#ifndef S_ISREG
583# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
584#endif
585
586#ifndef S_ISFIFO
fe14fcc3 587# ifdef S_IFIFO
588# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
589# else
590# define S_ISFIFO(m) (0)
591# endif
c623bd54 592#endif
593
594#ifndef S_ISLNK
595# ifdef _S_ISLNK
596# define S_ISLNK(m) _S_ISLNK(m)
597# else
598# ifdef _S_IFLNK
599# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
600# else
601# ifdef S_IFLNK
602# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
603# else
604# define S_ISLNK(m) (0)
605# endif
606# endif
607# endif
608#endif
609
610#ifndef S_ISSOCK
611# ifdef _S_ISSOCK
612# define S_ISSOCK(m) _S_ISSOCK(m)
613# else
614# ifdef _S_IFSOCK
615# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
616# else
617# ifdef S_IFSOCK
618# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
619# else
620# define S_ISSOCK(m) (0)
621# endif
622# endif
623# endif
624#endif
625
626#ifndef S_IRUSR
627# ifdef S_IREAD
628# define S_IRUSR S_IREAD
629# define S_IWUSR S_IWRITE
630# define S_IXUSR S_IEXEC
631# else
632# define S_IRUSR 0400
633# define S_IWUSR 0200
634# define S_IXUSR 0100
635# endif
636# define S_IRGRP (S_IRUSR>>3)
637# define S_IWGRP (S_IWUSR>>3)
638# define S_IXGRP (S_IXUSR>>3)
639# define S_IROTH (S_IRUSR>>6)
640# define S_IWOTH (S_IWUSR>>6)
641# define S_IXOTH (S_IXUSR>>6)
642#endif
643
644#ifndef S_ISUID
645# define S_ISUID 04000
646#endif
647
648#ifndef S_ISGID
649# define S_ISGID 02000
650#endif
651
79072805 652#ifdef ff_next
653# undef ff_next
352d5a3a 654#endif
655
a0d0e21e 656#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa 657# define SLOPPYDIVIDE
658#endif
659
748a9306 660#ifdef UV
661#undef UV
662#endif
663
27d4fb96 664/* XXX QUAD stuff is not currently supported on most systems.
665 Specifically, perl internals don't support long long. Among
666 the many problems is that some compilers support long long,
667 but the underlying library functions (such as sprintf) don't.
668 Some things do work (such as quad pack/unpack on convex);
669 also some systems use long long for the fpos_t typedef. That
670 seems to work too.
671
672 The IV type is supposed to be long enough to hold any integral
673 value or a pointer.
674 --Andy Dougherty August 1996
675*/
676
f86702cc 677#ifdef cray
678# define Quad_t int
679#else
680# ifdef convex
681# define Quad_t long long
45d8adaa 682# else
ff0cee69 683# if BYTEORDER > 0xFFFF
ecfc5424 684# define Quad_t long
45d8adaa 685# endif
686# endif
f86702cc 687#endif
688
689#ifdef Quad_t
690# define HAS_QUAD
748a9306 691 typedef Quad_t IV;
692 typedef unsigned Quad_t UV;
27d4fb96 693# define IV_MAX PERL_QUAD_MAX
694# define IV_MIN PERL_QUAD_MIN
695# define UV_MAX PERL_UQUAD_MAX
696# define UV_MIN PERL_UQUAD_MIN
79072805 697#else
748a9306 698 typedef long IV;
699 typedef unsigned long UV;
27d4fb96 700# define IV_MAX PERL_LONG_MAX
701# define IV_MIN PERL_LONG_MIN
702# define UV_MAX PERL_ULONG_MAX
703# define UV_MIN PERL_ULONG_MIN
79072805 704#endif
705
760ac839 706/* Previously these definitions used hardcoded figures.
707 * It is hoped these formula are more portable, although
708 * no data one way or another is presently known to me.
709 * The "PERL_" names are used because these calculated constants
710 * do not meet the ANSI requirements for LONG_MAX, etc., which
711 * need to be constants acceptable to #if - kja
712 * define PERL_LONG_MAX 2147483647L
713 * define PERL_LONG_MIN (-LONG_MAX - 1)
714 * define PERL ULONG_MAX 4294967295L
715 */
716
717#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
718# include <limits.h>
719#else
720#ifdef I_VALUES
721# include <values.h>
722#endif
723#endif
724
99abf803 725/*
726 * Try to figure out max and min values for the integral types. THE CORRECT
727 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
728 * following hacks are used if neither limits.h or values.h provide them:
729 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
730 * for types < int: (unsigned TYPE)~(unsigned)0
731 * The argument to ~ must be unsigned so that later signed->unsigned
732 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
733 * and it must not be smaller than int because ~ does integral promotion.
734 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
735 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
736 * The latter is a hack which happens to work on some machines but
737 * does *not* catch any random system, or things like integer types
738 * with NaN if that is possible.
739 *
740 * All of the types are explicitly cast to prevent accidental loss of
741 * numeric range, and in the hope that they will be less likely to confuse
742 * over-eager optimizers.
743 *
744 */
27d4fb96 745
99abf803 746#define PERL_UCHAR_MIN ((unsigned char)0)
747
748#ifdef UCHAR_MAX
749# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 750#else
99abf803 751# ifdef MAXUCHAR
752# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 753# else
99abf803 754# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 755# endif
756#endif
99abf803 757
758/*
759 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
760 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
761 * depending on local options. Until Configure detects this (or at least
762 * detects whether the "signed" keyword is available) the CHAR ranges
763 * will not be included. UCHAR functions normally.
764 * - kja
765 */
27d4fb96 766
99abf803 767#define PERL_USHORT_MIN ((unsigned short)0)
768
769#ifdef USHORT_MAX
770# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 771#else
99abf803 772# ifdef MAXUSHORT
773# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 774# else
99abf803 775# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
27d4fb96 776# endif
777#endif
778
27d4fb96 779#ifdef SHORT_MAX
99abf803 780# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 781#else
782# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 783# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 784# else
99abf803 785# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
27d4fb96 786# endif
787#endif
788
789#ifdef SHORT_MIN
99abf803 790# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 791#else
792# ifdef MINSHORT
99abf803 793# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 794# else
795# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
796# endif
797#endif
798
99abf803 799#ifdef UINT_MAX
800# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 801#else
99abf803 802# ifdef MAXUINT
803# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 804# else
99abf803 805# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 806# endif
807#endif
808
99abf803 809#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 810
811#ifdef INT_MAX
99abf803 812# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 813#else
814# ifdef MAXINT /* Often used in <values.h> */
99abf803 815# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 816# else
99abf803 817# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 818# endif
819#endif
820
821#ifdef INT_MIN
99abf803 822# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 823#else
824# ifdef MININT
99abf803 825# define PERL_INT_MIN ((int)MININT)
27d4fb96 826# else
827# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
828# endif
829#endif
830
99abf803 831#ifdef ULONG_MAX
832# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 833#else
99abf803 834# ifdef MAXULONG
835# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 836# else
99abf803 837# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 838# endif
839#endif
840
99abf803 841#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 842
760ac839 843#ifdef LONG_MAX
99abf803 844# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839 845#else
846# ifdef MAXLONG /* Often used in <values.h> */
99abf803 847# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 848# else
99abf803 849# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839 850# endif
851#endif
852
853#ifdef LONG_MIN
99abf803 854# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839 855#else
856# ifdef MINLONG
99abf803 857# define PERL_LONG_MIN ((long)MINLONG)
760ac839 858# else
27d4fb96 859# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839 860# endif
861#endif
862
99abf803 863#ifdef HAS_QUAD
864
865# ifdef UQUAD_MAX
866# define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
760ac839 867# else
99abf803 868# define PERL_UQUAD_MAX (~(UV)0)
760ac839 869# endif
760ac839 870
99abf803 871# define PERL_UQUAD_MIN ((UV)0)
27d4fb96 872
27d4fb96 873# ifdef QUAD_MAX
99abf803 874# define PERL_QUAD_MAX ((IV)QUAD_MAX)
27d4fb96 875# else
99abf803 876# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
27d4fb96 877# endif
878
879# ifdef QUAD_MIN
99abf803 880# define PERL_QUAD_MIN ((IV)QUAD_MIN)
27d4fb96 881# else
a6e633de 882# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 883# endif
884
79072805 885#endif
886
ee0007ab 887typedef MEM_SIZE STRLEN;
450a55e4 888
79072805 889typedef struct op OP;
890typedef struct cop COP;
891typedef struct unop UNOP;
892typedef struct binop BINOP;
893typedef struct listop LISTOP;
894typedef struct logop LOGOP;
895typedef struct condop CONDOP;
896typedef struct pmop PMOP;
897typedef struct svop SVOP;
898typedef struct gvop GVOP;
899typedef struct pvop PVOP;
79072805 900typedef struct loop LOOP;
901
902typedef struct Outrec Outrec;
93a17b20 903typedef struct interpreter PerlInterpreter;
3e3baf6d 904#ifndef __BORLANDC__
905typedef struct ff FF; /* XXX not defined anywhere, should go? */
906#endif
79072805 907typedef struct sv SV;
908typedef struct av AV;
909typedef struct hv HV;
910typedef struct cv CV;
378cc40b 911typedef struct regexp REGEXP;
79072805 912typedef struct gp GP;
0c30d9ec 913typedef struct gv GV;
8990e307 914typedef struct io IO;
c09156bb 915typedef struct context PERL_CONTEXT;
79072805 916typedef struct block BLOCK;
917
918typedef struct magic MAGIC;
ed6116ce 919typedef struct xrv XRV;
79072805 920typedef struct xpv XPV;
921typedef struct xpviv XPVIV;
ff68c719 922typedef struct xpvuv XPVUV;
79072805 923typedef struct xpvnv XPVNV;
924typedef struct xpvmg XPVMG;
925typedef struct xpvlv XPVLV;
926typedef struct xpvav XPVAV;
927typedef struct xpvhv XPVHV;
928typedef struct xpvgv XPVGV;
929typedef struct xpvcv XPVCV;
930typedef struct xpvbm XPVBM;
931typedef struct xpvfm XPVFM;
8990e307 932typedef struct xpvio XPVIO;
79072805 933typedef struct mgvtbl MGVTBL;
934typedef union any ANY;
8d063cd8 935
378cc40b 936#include "handy.h"
a0d0e21e 937
16d20bd9 938typedef I32 (*filter_t) _((int, SV *, int));
939#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
940#define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
941#define FILTER_ISREADER(idx) (idx >= AvFILL(rsfp_filters))
942
748a9306 943#ifdef DOSISH
4633a7c4 944# if defined(OS2)
945# include "os2ish.h"
946# else
748a9306 947# include "dosish.h"
4633a7c4 948# endif
a0d0e21e 949#else
748a9306 950# if defined(VMS)
951# include "vmsish.h"
952# else
0c30d9ec 953# if defined(PLAN9)
954# include "./plan9/plan9ish.h"
955# else
956# include "unixish.h"
957# endif
748a9306 958# endif
32f822de 959#endif
960
961/*
962 * USE_THREADS needs to be after unixish.h as <pthread.h> includes <sys/signal.h>
963 * which defines NSIG - which will stop inclusion of <signal.h>
964 * this results in many functions being undeclared which bothers C++
965 * May make sense to have threads after "*ish.h" anyway
966 */
967
968#ifdef USE_THREADS
969# ifdef FAKE_THREADS
970# include "fakethr.h"
971# else
972# ifdef WIN32
973# include <win32thread.h>
974# else
975# include <pthread.h>
976typedef pthread_mutex_t perl_mutex;
977typedef pthread_cond_t perl_cond;
978typedef pthread_key_t perl_key;
979# endif /* WIN32 */
980# endif /* FAKE_THREADS */
981#endif /* USE_THREADS */
982
983
3fc1aec6 984
68dc0745 985#ifdef VMS
986# define STATUS_NATIVE statusvalue_vms
987# define STATUS_NATIVE_EXPORT \
988 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
989# define STATUS_NATIVE_SET(n) \
990 STMT_START { \
991 statusvalue_vms = (n); \
992 if ((I32)statusvalue_vms == -1) \
993 statusvalue = -1; \
994 else if (statusvalue_vms & STS$M_SUCCESS) \
995 statusvalue = 0; \
996 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
997 statusvalue = 1 << 8; \
998 else \
999 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
1000 } STMT_END
1001# define STATUS_POSIX statusvalue
1002# ifdef VMSISH_STATUS
1003# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1004# else
1005# define STATUS_CURRENT STATUS_POSIX
1006# endif
1007# define STATUS_POSIX_SET(n) \
1008 STMT_START { \
1009 statusvalue = (n); \
1010 if (statusvalue != -1) { \
1011 statusvalue &= 0xFFFF; \
1012 statusvalue_vms = statusvalue ? 44 : 1; \
1013 } \
1014 else statusvalue_vms = -1; \
1015 } STMT_END
1016# define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1017# define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1018#else
1019# define STATUS_NATIVE STATUS_POSIX
1020# define STATUS_NATIVE_EXPORT STATUS_POSIX
1021# define STATUS_NATIVE_SET STATUS_POSIX_SET
1022# define STATUS_POSIX statusvalue
1023# define STATUS_POSIX_SET(n) \
1024 STMT_START { \
1025 statusvalue = (n); \
1026 if (statusvalue != -1) \
1027 statusvalue &= 0xFFFF; \
1028 } STMT_END
1029# define STATUS_CURRENT STATUS_POSIX
1030# define STATUS_ALL_SUCCESS (statusvalue = 0)
1031# define STATUS_ALL_FAILURE (statusvalue = 1)
1032#endif
1033
3fc1aec6 1034/* Some unistd.h's give a prototype for pause() even though
1035 HAS_PAUSE ends up undefined. This causes the #define
1036 below to be rejected by the compmiler. Sigh.
1037*/
1038#ifdef HAS_PAUSE
1039#define Pause pause
1040#else
1041#define Pause() sleep((32767<<16)+32767)
748a9306 1042#endif
1043
1044#ifndef IOCPARM_LEN
1045# ifdef IOCPARM_MASK
1046 /* on BSDish systes we're safe */
1047# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1048# else
1049 /* otherwise guess at what's safe */
1050# define IOCPARM_LEN(x) 256
1051# endif
a0d0e21e 1052#endif
1053
79072805 1054union any {
1055 void* any_ptr;
1056 I32 any_i32;
a0d0e21e 1057 IV any_iv;
85e6fe83 1058 long any_long;
a0d0e21e 1059 void (*any_dptr) _((void*));
79072805 1060};
1061
11343788 1062#ifdef USE_THREADS
32f822de 1063#define ARGSproto struct thread *thr
11343788 1064#else
1065#define ARGSproto void
1066#endif /* USE_THREADS */
1067
5aabfad6 1068/* Work around some cygwin32 problems with importing global symbols */
1069#if defined(CYGWIN32) && defined(DLLIMPORT)
1070# include "cw32imp.h"
1071#endif
1072
378cc40b 1073#include "regexp.h"
79072805 1074#include "sv.h"
378cc40b 1075#include "util.h"
8d063cd8 1076#include "form.h"
79072805 1077#include "gv.h"
1078#include "cv.h"
1079#include "opcode.h"
1080#include "op.h"
1081#include "cop.h"
1082#include "av.h"
1083#include "hv.h"
1084#include "mg.h"
1085#include "scope.h"
8d063cd8 1086
4633a7c4 1087/* work around some libPW problems */
1088#ifdef DOINIT
1089EXT char Error[1];
1090#endif
1091
450a55e4 1092#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c 1093# define I286
1094#endif
1095
fe14fcc3 1096#if defined(htonl) && !defined(HAS_HTONL)
1097#define HAS_HTONL
ae986130 1098#endif
fe14fcc3 1099#if defined(htons) && !defined(HAS_HTONS)
1100#define HAS_HTONS
ae986130 1101#endif
fe14fcc3 1102#if defined(ntohl) && !defined(HAS_NTOHL)
1103#define HAS_NTOHL
ae986130 1104#endif
fe14fcc3 1105#if defined(ntohs) && !defined(HAS_NTOHS)
1106#define HAS_NTOHS
ae986130 1107#endif
fe14fcc3 1108#ifndef HAS_HTONL
d9d8d8de 1109#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3 1110#define HAS_HTONS
1111#define HAS_HTONL
1112#define HAS_NTOHS
1113#define HAS_NTOHL
a687059c 1114#define MYSWAP
1115#define htons my_swap
1116#define htonl my_htonl
1117#define ntohs my_swap
1118#define ntohl my_ntohl
1119#endif
1120#else
d9d8d8de 1121#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3 1122#undef HAS_HTONS
1123#undef HAS_HTONL
1124#undef HAS_NTOHS
1125#undef HAS_NTOHL
a687059c 1126#endif
1127#endif
1128
988174c1 1129/*
1130 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1131 * -DWS
1132 */
1133#if BYTEORDER != 0x1234
1134# define HAS_VTOHL
1135# define HAS_VTOHS
1136# define HAS_HTOVL
1137# define HAS_HTOVS
1138# if BYTEORDER == 0x4321
1139# define vtohl(x) ((((x)&0xFF)<<24) \
1140 +(((x)>>24)&0xFF) \
1141 +(((x)&0x0000FF00)<<8) \
1142 +(((x)&0x00FF0000)>>8) )
1143# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1144# define htovl(x) vtohl(x)
1145# define htovs(x) vtohs(x)
1146# endif
1147 /* otherwise default to functions in util.c */
1148#endif
1149
0f85fab0 1150#ifdef CASTNEGFLOAT
79072805 1151#define U_S(what) ((U16)(what))
0f85fab0 1152#define U_I(what) ((unsigned int)(what))
79072805 1153#define U_L(what) ((U32)(what))
0f85fab0 1154#else
32f822de 1155EXTERN_C U32 cast_ulong _((double));
232e078e 1156#define U_S(what) ((U16)cast_ulong((double)(what)))
1157#define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1158#define U_L(what) (cast_ulong((double)(what)))
ee0007ab 1159#endif
1160
ed6116ce 1161#ifdef CASTI32
1162#define I_32(what) ((I32)(what))
a0d0e21e 1163#define I_V(what) ((IV)(what))
5d94fbed 1164#define U_V(what) ((UV)(what))
ed6116ce 1165#else
32f822de 1166START_EXTERN_C
a0d0e21e 1167I32 cast_i32 _((double));
a0d0e21e 1168IV cast_iv _((double));
5d94fbed 1169UV cast_uv _((double));
32f822de 1170END_EXTERN_C
a6e633de 1171#define I_32(what) (cast_i32((double)(what)))
1172#define I_V(what) (cast_iv((double)(what)))
5d94fbed 1173#define U_V(what) (cast_uv((double)(what)))
ed6116ce 1174#endif
1175
79072805 1176struct Outrec {
1177 I32 o_lines;
d9d8d8de 1178 char *o_str;
79072805 1179 U32 o_len;
8d063cd8 1180};
1181
352d5a3a 1182#ifndef MAXSYSFD
1183# define MAXSYSFD 2
1184#endif
ee0007ab 1185
f82b3d41 1186#ifndef TMPPATH
1187# define TMPPATH "/tmp/perl-eXXXXXX"
a0d0e21e 1188#endif
79072805 1189
1190#ifndef __cplusplus
a0d0e21e 1191Uid_t getuid _((void));
1192Uid_t geteuid _((void));
1193Gid_t getgid _((void));
1194Gid_t getegid _((void));
79072805 1195#endif
8d063cd8 1196
1197#ifdef DEBUGGING
0c30d9ec 1198#ifndef Perl_debug_log
760ac839 1199#define Perl_debug_log PerlIO_stderr()
0c30d9ec 1200#endif
d96024cf 1201#define YYDEBUG 1
79072805 1202#define DEB(a) a
1203#define DEBUG(a) if (debug) a
1204#define DEBUG_p(a) if (debug & 1) a
1205#define DEBUG_s(a) if (debug & 2) a
1206#define DEBUG_l(a) if (debug & 4) a
1207#define DEBUG_t(a) if (debug & 8) a
1208#define DEBUG_o(a) if (debug & 16) a
1209#define DEBUG_c(a) if (debug & 32) a
1210#define DEBUG_P(a) if (debug & 64) a
0c30d9ec 1211#define DEBUG_m(a) if (curinterp && debug & 128) a
79072805 1212#define DEBUG_f(a) if (debug & 256) a
1213#define DEBUG_r(a) if (debug & 512) a
1214#define DEBUG_x(a) if (debug & 1024) a
1215#define DEBUG_u(a) if (debug & 2048) a
1216#define DEBUG_L(a) if (debug & 4096) a
1217#define DEBUG_H(a) if (debug & 8192) a
1218#define DEBUG_X(a) if (debug & 16384) a
8990e307 1219#define DEBUG_D(a) if (debug & 32768) a
79072805 1220#else
1221#define DEB(a)
1222#define DEBUG(a)
1223#define DEBUG_p(a)
1224#define DEBUG_s(a)
1225#define DEBUG_l(a)
1226#define DEBUG_t(a)
1227#define DEBUG_o(a)
1228#define DEBUG_c(a)
1229#define DEBUG_P(a)
1230#define DEBUG_m(a)
1231#define DEBUG_f(a)
1232#define DEBUG_r(a)
1233#define DEBUG_x(a)
1234#define DEBUG_u(a)
1235#define DEBUG_L(a)
1236#define DEBUG_H(a)
1237#define DEBUG_X(a)
8990e307 1238#define DEBUG_D(a)
8d063cd8 1239#endif
fe14fcc3 1240#define YYMAXDEPTH 300
8d063cd8 1241
a6e633de 1242#ifndef assert /* <assert.h> might have been included somehow */
79072805 1243#define assert(what) DEB( { \
1244 if (!(what)) { \
463ee0b2 1245 croak("Assertion failed: file \"%s\", line %d", \
79072805 1246 __FILE__, __LINE__); \
1247 exit(1); \
1248 }})
a6e633de 1249#endif
8d063cd8 1250
450a55e4 1251struct ufuncs {
a0d0e21e 1252 I32 (*uf_val)_((IV, SV*));
1253 I32 (*uf_set)_((IV, SV*));
1254 IV uf_index;
450a55e4 1255};
1256
fe14fcc3 1257/* Fix these up for __STDC__ */
68dc0745 1258#ifndef DONT_DECLARE_STD
a0d0e21e 1259char *mktemp _((char*));
1260double atof _((const char*));
1261#endif
79072805 1262
352d5a3a 1263#ifndef STANDARD_C
fe14fcc3 1264/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 1265Time_t time();
8d063cd8 1266struct tm *gmtime(), *localtime();
93a17b20 1267char *strchr(), *strrchr();
378cc40b 1268char *strcpy(), *strcat();
352d5a3a 1269#endif /* ! STANDARD_C */
8d063cd8 1270
79072805 1271
1272#ifdef I_MATH
1273# include <math.h>
1274#else
32f822de 1275START_EXTERN_C
a0d0e21e 1276 double exp _((double));
a0d0e21e 1277 double log _((double));
c635e13b 1278 double log10 _((double));
a0d0e21e 1279 double sqrt _((double));
c635e13b 1280 double frexp _((double,int*));
1281 double ldexp _((double,int));
a0d0e21e 1282 double modf _((double,double*));
1283 double sin _((double));
1284 double cos _((double));
1285 double atan2 _((double,double));
1286 double pow _((double,double));
32f822de 1287END_EXTERN_C
79072805 1288#endif
1289
a0d0e21e 1290#ifndef __cplusplus
3fc1aec6 1291#ifdef __NeXT__ /* or whatever catches all NeXTs */
1292char *crypt (); /* Maybe more hosts will need the unprototyped version */
1293#else
a0d0e21e 1294char *crypt _((const char*, const char*));
3fc1aec6 1295#endif
68dc0745 1296#ifndef DONT_DECLARE_STD
1e422769 1297#ifndef getenv
a0d0e21e 1298char *getenv _((const char*));
1e422769 1299#endif
a0d0e21e 1300Off_t lseek _((int,Off_t,int));
68dc0745 1301#endif
a0d0e21e 1302char *getlogin _((void));
1303#endif
79072805 1304
16d20bd9 1305#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 1306#define UNLINK unlnk
a0d0e21e 1307I32 unlnk _((char*));
8d063cd8 1308#else
1309#define UNLINK unlink
1310#endif
a687059c 1311
fe14fcc3 1312#ifndef HAS_SETREUID
85e6fe83 1313# ifdef HAS_SETRESUID
1314# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1315# define HAS_SETREUID
1316# endif
a687059c 1317#endif
fe14fcc3 1318#ifndef HAS_SETREGID
85e6fe83 1319# ifdef HAS_SETRESGID
1320# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1321# define HAS_SETREGID
1322# endif
a687059c 1323#endif
ee0007ab 1324
ff68c719 1325typedef Signal_t (*Sighandler_t) _((int));
1326
1327#ifdef HAS_SIGACTION
1328typedef struct sigaction Sigsave_t;
1329#else
1330typedef Sighandler_t Sigsave_t;
1331#endif
1332
ee0007ab 1333#define SCAN_DEF 0
1334#define SCAN_TR 1
1335#define SCAN_REPL 2
79072805 1336
1337#ifdef DEBUGGING
4633a7c4 1338# ifndef register
a0d0e21e 1339# define register
1340# endif
1341# define PAD_SV(po) pad_sv(po)
2ddcc7aa 1342# define RUNOPS_DEFAULT runops_debug
79072805 1343#else
a0d0e21e 1344# define PAD_SV(po) curpad[po]
2ddcc7aa 1345# define RUNOPS_DEFAULT runops_standard
79072805 1346#endif
1347
44a0ac01 1348/*
1349 * These need prototyping here because <proto.h> isn't
1350 * included until after runops is initialised.
1351 */
1352
1353int runops_standard _((void));
1354#ifdef DEBUGGING
1355int runops_debug _((void));
1356#endif
1357
a863c7d1 1358#define PER_THREAD_MAGICALS "123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 1359
79072805 1360/****************/
1361/* Truly global */
1362/****************/
1363
1364/* global state */
a0d0e21e 1365EXT PerlInterpreter * curinterp; /* currently running interpreter */
11343788 1366#ifdef USE_THREADS
0f15f207 1367EXT perl_key thr_key; /* For per-thread struct thread ptr */
12ca11f6 1368EXT perl_mutex sv_mutex; /* Mutex for allocating SVs in sv.c */
1369EXT perl_mutex malloc_mutex; /* Mutex for malloc */
1370EXT perl_mutex eval_mutex; /* Mutex for doeval */
1371EXT perl_cond eval_cond; /* Condition variable for doeval */
11343788 1372EXT struct thread * eval_owner; /* Owner thread for doeval */
1373EXT int nthreads; /* Number of threads currently */
33f46ff6 1374EXT perl_mutex threads_mutex; /* Mutex for nthreads and thread list */
12ca11f6 1375EXT perl_cond nthreads_cond; /* Condition variable for nthreads */
a863c7d1 1376EXT char * per_thread_magicals INIT(PER_THREAD_MAGICALS);
0f15f207 1377#ifdef FAKE_THREADS
1378EXT struct thread * thr; /* Currently executing (fake) thread */
1379#endif
11343788 1380#endif /* USE_THREADS */
1381
0c30d9ec 1382/* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1383#if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
32f822de 1384#if !defined(DONT_DECLARE_STD) || (defined(__svr4__) && defined(__GNUC__) && defined(sun))
79072805 1385extern char ** environ; /* environment variables supplied via exec */
a0d0e21e 1386#endif
0c30d9ec 1387#else
1388# if defined(NeXT) && defined(__DYNAMIC__)
1389
1390# include <mach-o/dyld.h>
1391EXT char *** environ_pointer;
1392# define environ (*environ_pointer)
1393# endif
1394#endif /* environ processing */
1395
79072805 1396EXT int uid; /* current real user id */
1397EXT int euid; /* current effective user id */
1398EXT int gid; /* current real group id */
1399EXT int egid; /* current effective group id */
1400EXT bool nomemok; /* let malloc context handle nomem */
1401EXT U32 an; /* malloc sequence number */
463ee0b2 1402EXT U32 cop_seqmax; /* statement sequence number */
c07a80fd 1403EXT U16 op_seqmax; /* op sequence number */
8990e307 1404EXT U32 evalseq; /* eval sequence number */
463ee0b2 1405EXT U32 sub_generation; /* inc to force methods to be looked up again */
79072805 1406EXT char ** origenviron;
1407EXT U32 origalen;
44a8e56a 1408EXT HV * pidstatus; /* pid-to-status mappings for waitpid */
a0d0e21e 1409EXT U32 * profiledata;
84ea024a 1410EXT int maxo INIT(MAXO);/* Number of ops */
728e2803 1411EXT char * osname; /* operating system */
ff68c719 1412EXT char * sh_path INIT(SH_PATH); /* full path of shell */
c23142e2 1413EXT Sighandler_t sighandlerp;
79072805 1414
a0d0e21e 1415EXT XPV* xiv_arenaroot; /* list of allocated xiv areas */
1416EXT IV ** xiv_root; /* free xiv list--shared by interpreters */
8990e307 1417EXT double * xnv_root; /* free xnv list--shared by interpreters */
1418EXT XRV * xrv_root; /* free xrv list--shared by interpreters */
1419EXT XPV * xpv_root; /* free xpv list--shared by interpreters */
4633a7c4 1420EXT HE * he_root; /* free he list--shared by interpreters */
c07a80fd 1421EXT char * nice_chunk; /* a nice chunk of memory to reuse */
1422EXT U32 nice_chunk_size;/* how nice the chunk of memory is */
8990e307 1423
79072805 1424/* Stack for currently executing thread--context switch must handle this. */
1425EXT SV ** stack_base; /* stack->array_ary */
1426EXT SV ** stack_sp; /* stack pointer now */
1427EXT SV ** stack_max; /* stack->array_ary + stack->array_max */
1428
1429/* likewise for these */
1430
462e5cf6 1431#ifdef OP_IN_REGISTER
1432EXT OP * opsave; /* save current op register across longjmps */
1433#else
1434EXT OP * op; /* current op--when not in a global register */
1435#endif
2ddcc7aa 1436EXT int (*runops) _((void)) INIT(RUNOPS_DEFAULT);
79072805 1437EXT I32 * scopestack; /* blocks we've entered */
1438EXT I32 scopestack_ix;
1439EXT I32 scopestack_max;
1440
1441EXT ANY* savestack; /* to save non-local values on */
1442EXT I32 savestack_ix;
1443EXT I32 savestack_max;
1444
1445EXT OP ** retstack; /* returns we've pushed */
1446EXT I32 retstack_ix;
1447EXT I32 retstack_max;
1448
1449EXT I32 * markstack; /* stackmarks we're remembering */
1450EXT I32 * markstack_ptr; /* stackmarks we're remembering */
1451EXT I32 * markstack_max; /* stackmarks we're remembering */
1452
1453EXT SV ** curpad;
1454
1455/* temp space */
1456EXT SV * Sv;
1457EXT XPV * Xpv;
79072805 1458EXT char tokenbuf[256];
1459EXT struct stat statbuf;
ecfc5424 1460#ifdef HAS_TIMES
79072805 1461EXT struct tms timesbuf;
1462#endif
463ee0b2 1463EXT STRLEN na; /* for use in SvPV when length is Not Applicable */
79072805 1464
1465/* for tmp use in stupid debuggers */
1466EXT int * di;
1467EXT short * ds;
1468EXT char * dc;
1469
1470/* handy constants */
71be2cbc 1471EXTCONST char * Yes INIT("1");
1472EXTCONST char * No INIT("");
1473EXTCONST char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx");
1474EXTCONST char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}");
1475EXTCONST char * vert INIT("|");
79072805 1476
3e3baf6d 1477EXTCONST char warn_uninit[]
a0d0e21e 1478 INIT("Use of uninitialized value");
3e3baf6d 1479EXTCONST char warn_nosemi[]
463ee0b2 1480 INIT("Semicolon seems to be missing");
3e3baf6d 1481EXTCONST char warn_reserved[]
463ee0b2 1482 INIT("Unquoted string \"%s\" may clash with future reserved word");
3e3baf6d 1483EXTCONST char warn_nl[]
93a17b20 1484 INIT("Unsuccessful %s on filename containing newline");
3e3baf6d 1485EXTCONST char no_wrongref[]
a0d0e21e 1486 INIT("Can't use %s ref as %s ref");
3e3baf6d 1487EXTCONST char no_symref[]
748a9306 1488 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
3e3baf6d 1489EXTCONST char no_usym[]
8990e307 1490 INIT("Can't use an undefined value as %s reference");
3e3baf6d 1491EXTCONST char no_aelem[]
93a17b20 1492 INIT("Modification of non-creatable array value attempted, subscript %d");
3e3baf6d 1493EXTCONST char no_helem[]
93a17b20 1494 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
3e3baf6d 1495EXTCONST char no_modify[]
93a17b20 1496 INIT("Modification of a read-only value attempted");
3e3baf6d 1497EXTCONST char no_mem[]
93a17b20 1498 INIT("Out of memory!\n");
3e3baf6d 1499EXTCONST char no_security[]
463ee0b2 1500 INIT("Insecure dependency in %s%s");
3e3baf6d 1501EXTCONST char no_sock_func[]
93a17b20 1502 INIT("Unsupported socket function \"%s\" called");
3e3baf6d 1503EXTCONST char no_dir_func[]
93a17b20 1504 INIT("Unsupported directory function \"%s\" called");
3e3baf6d 1505EXTCONST char no_func[]
93a17b20 1506 INIT("The %s function is unimplemented");
3e3baf6d 1507EXTCONST char no_myglob[]
748a9306 1508 INIT("\"my\" variable %s can't be in a package");
93a17b20 1509
79072805 1510EXT SV sv_undef;
1511EXT SV sv_no;
1512EXT SV sv_yes;
1513#ifdef CSH
1514 EXT char * cshname INIT(CSH);
1515 EXT I32 cshlen;
1516#endif
1517
1518#ifdef DOINIT
8e07c86e 1519EXT char *sig_name[] = { SIG_NAME };
1520EXT int sig_num[] = { SIG_NUM };
0c30d9ec 1521EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1522EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
79072805 1523#else
1524EXT char *sig_name[];
8e07c86e 1525EXT int sig_num[];
0c30d9ec 1526EXT SV * psig_ptr[];
1527EXT SV * psig_name[];
79072805 1528#endif
1529
bbce6d69 1530/* fast case folding tables */
1531
79072805 1532#ifdef DOINIT
36477c24 1533EXTCONST unsigned char fold[] = {
79072805 1534 0, 1, 2, 3, 4, 5, 6, 7,
1535 8, 9, 10, 11, 12, 13, 14, 15,
1536 16, 17, 18, 19, 20, 21, 22, 23,
1537 24, 25, 26, 27, 28, 29, 30, 31,
1538 32, 33, 34, 35, 36, 37, 38, 39,
1539 40, 41, 42, 43, 44, 45, 46, 47,
1540 48, 49, 50, 51, 52, 53, 54, 55,
1541 56, 57, 58, 59, 60, 61, 62, 63,
1542 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1543 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1544 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1545 'x', 'y', 'z', 91, 92, 93, 94, 95,
1546 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1547 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1548 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1549 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1550 128, 129, 130, 131, 132, 133, 134, 135,
1551 136, 137, 138, 139, 140, 141, 142, 143,
1552 144, 145, 146, 147, 148, 149, 150, 151,
1553 152, 153, 154, 155, 156, 157, 158, 159,
1554 160, 161, 162, 163, 164, 165, 166, 167,
1555 168, 169, 170, 171, 172, 173, 174, 175,
1556 176, 177, 178, 179, 180, 181, 182, 183,
1557 184, 185, 186, 187, 188, 189, 190, 191,
1558 192, 193, 194, 195, 196, 197, 198, 199,
1559 200, 201, 202, 203, 204, 205, 206, 207,
1560 208, 209, 210, 211, 212, 213, 214, 215,
1561 216, 217, 218, 219, 220, 221, 222, 223,
1562 224, 225, 226, 227, 228, 229, 230, 231,
1563 232, 233, 234, 235, 236, 237, 238, 239,
1564 240, 241, 242, 243, 244, 245, 246, 247,
1565 248, 249, 250, 251, 252, 253, 254, 255
1566};
1567#else
71be2cbc 1568EXTCONST unsigned char fold[];
79072805 1569#endif
1570
1571#ifdef DOINIT
bbce6d69 1572EXT unsigned char fold_locale[] = {
79072805 1573 0, 1, 2, 3, 4, 5, 6, 7,
1574 8, 9, 10, 11, 12, 13, 14, 15,
1575 16, 17, 18, 19, 20, 21, 22, 23,
1576 24, 25, 26, 27, 28, 29, 30, 31,
1577 32, 33, 34, 35, 36, 37, 38, 39,
1578 40, 41, 42, 43, 44, 45, 46, 47,
1579 48, 49, 50, 51, 52, 53, 54, 55,
1580 56, 57, 58, 59, 60, 61, 62, 63,
1581 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1582 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1583 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1584 'x', 'y', 'z', 91, 92, 93, 94, 95,
1585 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1586 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1587 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1588 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1589 128, 129, 130, 131, 132, 133, 134, 135,
1590 136, 137, 138, 139, 140, 141, 142, 143,
1591 144, 145, 146, 147, 148, 149, 150, 151,
1592 152, 153, 154, 155, 156, 157, 158, 159,
1593 160, 161, 162, 163, 164, 165, 166, 167,
1594 168, 169, 170, 171, 172, 173, 174, 175,
1595 176, 177, 178, 179, 180, 181, 182, 183,
1596 184, 185, 186, 187, 188, 189, 190, 191,
1597 192, 193, 194, 195, 196, 197, 198, 199,
1598 200, 201, 202, 203, 204, 205, 206, 207,
1599 208, 209, 210, 211, 212, 213, 214, 215,
1600 216, 217, 218, 219, 220, 221, 222, 223,
1601 224, 225, 226, 227, 228, 229, 230, 231,
1602 232, 233, 234, 235, 236, 237, 238, 239,
1603 240, 241, 242, 243, 244, 245, 246, 247,
1604 248, 249, 250, 251, 252, 253, 254, 255
1605};
1606#else
bbce6d69 1607EXT unsigned char fold_locale[];
79072805 1608#endif
1609
1610#ifdef DOINIT
71be2cbc 1611EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
79072805 1612 1, 2, 84, 151, 154, 155, 156, 157,
1613 165, 246, 250, 3, 158, 7, 18, 29,
1614 40, 51, 62, 73, 85, 96, 107, 118,
1615 129, 140, 147, 148, 149, 150, 152, 153,
1616 255, 182, 224, 205, 174, 176, 180, 217,
1617 233, 232, 236, 187, 235, 228, 234, 226,
1618 222, 219, 211, 195, 188, 193, 185, 184,
1619 191, 183, 201, 229, 181, 220, 194, 162,
1620 163, 208, 186, 202, 200, 218, 198, 179,
1621 178, 214, 166, 170, 207, 199, 209, 206,
1622 204, 160, 212, 216, 215, 192, 175, 173,
1623 243, 172, 161, 190, 203, 189, 164, 230,
1624 167, 248, 227, 244, 242, 255, 241, 231,
1625 240, 253, 169, 210, 245, 237, 249, 247,
1626 239, 168, 252, 251, 254, 238, 223, 221,
1627 213, 225, 177, 197, 171, 196, 159, 4,
1628 5, 6, 8, 9, 10, 11, 12, 13,
1629 14, 15, 16, 17, 19, 20, 21, 22,
1630 23, 24, 25, 26, 27, 28, 30, 31,
1631 32, 33, 34, 35, 36, 37, 38, 39,
1632 41, 42, 43, 44, 45, 46, 47, 48,
1633 49, 50, 52, 53, 54, 55, 56, 57,
1634 58, 59, 60, 61, 63, 64, 65, 66,
1635 67, 68, 69, 70, 71, 72, 74, 75,
1636 76, 77, 78, 79, 80, 81, 82, 83,
1637 86, 87, 88, 89, 90, 91, 92, 93,
1638 94, 95, 97, 98, 99, 100, 101, 102,
1639 103, 104, 105, 106, 108, 109, 110, 111,
1640 112, 113, 114, 115, 116, 117, 119, 120,
1641 121, 122, 123, 124, 125, 126, 127, 128,
1642 130, 131, 132, 133, 134, 135, 136, 137,
1643 138, 139, 141, 142, 143, 144, 145, 146
1644};
1645#else
71be2cbc 1646EXTCONST unsigned char freq[];
79072805 1647#endif
1648
8990e307 1649#ifdef DEBUGGING
1650#ifdef DOINIT
71be2cbc 1651EXTCONST char* block_type[] = {
8990e307 1652 "NULL",
1653 "SUB",
1654 "EVAL",
1655 "LOOP",
1656 "SUBST",
1657 "BLOCK",
1658};
1659#else
71be2cbc 1660EXTCONST char* block_type[];
8990e307 1661#endif
1662#endif
1663
79072805 1664/*****************************************************************************/
1665/* This lexer/parser stuff is currently global since yacc is hard to reenter */
1666/*****************************************************************************/
8990e307 1667/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 1668
a0d0e21e 1669#include "perly.h"
1670
fb73857a 1671#define LEX_NOTPARSING 11 /* borrowed from toke.c */
1672
79072805 1673typedef enum {
1674 XOPERATOR,
1675 XTERM,
79072805 1676 XREF,
8990e307 1677 XSTATE,
a0d0e21e 1678 XBLOCK,
1679 XTERMBLOCK
79072805 1680} expectation;
1681
a0d0e21e 1682EXT U32 lex_state; /* next token is determined */
1683EXT U32 lex_defer; /* state after determined token */
1684EXT expectation lex_expect; /* expect after determined token */
1685EXT I32 lex_brackets; /* bracket count */
1686EXT I32 lex_formbrack; /* bracket count at outer format level */
1687EXT I32 lex_fakebrack; /* outer bracket is mere delimiter */
1688EXT I32 lex_casemods; /* casemod count */
1689EXT I32 lex_dojoin; /* doing an array interpolation */
1690EXT I32 lex_starts; /* how many interps done on level */
1691EXT SV * lex_stuff; /* runtime pattern from m// or s/// */
1692EXT SV * lex_repl; /* runtime replacement from s/// */
1693EXT OP * lex_op; /* extra info to pass back on op */
1694EXT OP * lex_inpat; /* in pattern $) and $| are special */
1695EXT I32 lex_inwhat; /* what kind of quoting are we in */
1696EXT char * lex_brackstack; /* what kind of brackets to pop */
1697EXT char * lex_casestack; /* what kind of case mods in effect */
1698
1699/* What we know when we're in LEX_KNOWNEXT state. */
1700EXT YYSTYPE nextval[5]; /* value of next token, if any */
1701EXT I32 nexttype[5]; /* type of next token */
1702EXT I32 nexttoke;
1703
760ac839 1704EXT PerlIO * VOL rsfp INIT(Nullfp);
79072805 1705EXT SV * linestr;
1706EXT char * bufptr;
1707EXT char * oldbufptr;
1708EXT char * oldoldbufptr;
1709EXT char * bufend;
8990e307 1710EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */
16d20bd9 1711EXT AV * rsfp_filters;
79072805 1712
1713EXT I32 multi_start; /* 1st line of multi-line string */
1714EXT I32 multi_end; /* last line of multi-line string */
1715EXT I32 multi_open; /* delimiter of said string */
1716EXT I32 multi_close; /* delimiter of said string */
1717
1718EXT GV * scrgv;
1719EXT I32 error_count; /* how many errors so far, max 10 */
1720EXT I32 subline; /* line this subroutine began on */
1721EXT SV * subname; /* name of current subroutine */
1722
748a9306 1723EXT CV * compcv; /* currently compiling subroutine */
93a17b20 1724EXT AV * comppad; /* storage for lexically scoped temporaries */
8990e307 1725EXT AV * comppad_name; /* variable names for "my" variables */
1726EXT I32 comppad_name_fill;/* last "introduced" variable offset */
0c30d9ec 1727EXT I32 comppad_name_floor;/* start of vars in innermost block */
8990e307 1728EXT I32 min_intro_pending;/* start of vars to introduce */
1729EXT I32 max_intro_pending;/* end of vars to introduce */
79072805 1730EXT I32 padix; /* max used index in current "register" pad */
a0d0e21e 1731EXT I32 padix_floor; /* how low may inner block reset padix */
748a9306 1732EXT I32 pad_reset_pending; /* reset pad on next attempted alloc */
79072805 1733EXT COP compiling;
1734
79072805 1735EXT I32 thisexpr; /* name id for nothing_in_common() */
1736EXT char * last_uni; /* position of last named-unary operator */
1737EXT char * last_lop; /* position of last list operator */
8990e307 1738EXT OPCODE last_lop_op; /* last list operator */
93a17b20 1739EXT bool in_my; /* we're compiling a "my" declaration */
c750a3ec 1740EXT HV * in_my_stash; /* declared class of this "my" declaration */
79072805 1741#ifdef FCRYPT
1742EXT I32 cryptseen; /* has fast crypt() been initialized? */
1743#endif
1744
85e6fe83 1745EXT U32 hints; /* various compilation flags */
1746
1747 /* Note: the lowest 8 bits are reserved for
1748 stuffing into op->op_private */
1749#define HINT_INTEGER 0x00000001
1750#define HINT_STRICT_REFS 0x00000002
1751
1752#define HINT_BLOCK_SCOPE 0x00000100
1753#define HINT_STRICT_SUBS 0x00000200
1754#define HINT_STRICT_VARS 0x00000400
bbce6d69 1755#define HINT_LOCALE 0x00000800
85e6fe83 1756
79072805 1757/**************************************************************************/
1758/* This regexp stuff is global since it always happens within 1 expr eval */
1759/**************************************************************************/
1760
1761EXT char * regprecomp; /* uncompiled string. */
1762EXT char * regparse; /* Input-scan pointer. */
1763EXT char * regxend; /* End of input for compile */
1764EXT I32 regnpar; /* () count. */
1765EXT char * regcode; /* Code-emit pointer; &regdummy = don't. */
1766EXT I32 regsize; /* Code size. */
a0d0e21e 1767EXT I32 regnaughty; /* How bad is this pattern? */
79072805 1768EXT I32 regsawback; /* Did we see \1, ...? */
1769
1770EXT char * reginput; /* String-input pointer. */
79072805 1771EXT char * regbol; /* Beginning of input, for ^ check. */
1772EXT char * regeol; /* End of input, for $ check. */
1773EXT char ** regstartp; /* Pointer to startp array. */
1774EXT char ** regendp; /* Ditto for endp. */
a0d0e21e 1775EXT U32 * reglastparen; /* Similarly for lastparen. */
79072805 1776EXT char * regtill; /* How far we are required to go. */
a0d0e21e 1777EXT U16 regflags; /* are we folding, multilining? */
1778EXT char regprev; /* char before regbol, \n if none */
79072805 1779
760ac839 1780EXT bool do_undump; /* -u or dump seen? */
1781EXT VOL U32 debug;
1782
79072805 1783/***********************************************/
1784/* Global only to current interpreter instance */
1785/***********************************************/
1786
8990e307 1787#ifdef MULTIPLICITY
79072805 1788#define IEXT
1789#define IINIT(x)
1790struct interpreter {
1791#else
1792#define IEXT EXT
1793#define IINIT(x) INIT(x)
1794#endif
1795
1796/* pseudo environmental stuff */
1797IEXT int Iorigargc;
1798IEXT char ** Iorigargv;
1799IEXT GV * Ienvgv;
1800IEXT GV * Isiggv;
1801IEXT GV * Iincgv;
1802IEXT char * Iorigfilename;
748a9306 1803IEXT SV * Idiehook;
1804IEXT SV * Iwarnhook;
1805IEXT SV * Iparsehook;
79072805 1806
c07a80fd 1807/* Various states of an input record separator SV (rs, nrs) */
1808#define RsSNARF(sv) (! SvOK(sv))
1809#define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1810#define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
1811
79072805 1812/* switches */
1813IEXT char * Icddir;
1814IEXT bool Iminus_c;
a5f75d66 1815IEXT char Ipatchlevel[10];
728e2803 1816IEXT char ** Ilocalpatches;
c07a80fd 1817IEXT SV * Inrs;
2304df62 1818IEXT char * Isplitstr IINIT(" ");
79072805 1819IEXT bool Ipreprocess;
1820IEXT bool Iminus_n;
1821IEXT bool Iminus_p;
1822IEXT bool Iminus_l;
1823IEXT bool Iminus_a;
2304df62 1824IEXT bool Iminus_F;
79072805 1825IEXT bool Idoswitches;
1826IEXT bool Idowarn;
1827IEXT bool Idoextract;
79072805 1828IEXT bool Isawampersand; /* must save all match strings */
1829IEXT bool Isawstudy; /* do fbm_instr on all strings */
79072805 1830IEXT bool Isawvec;
1831IEXT bool Iunsafe;
79072805 1832IEXT char * Iinplace;
1833IEXT char * Ie_tmpname;
760ac839 1834IEXT PerlIO * Ie_fp;
79072805 1835IEXT U32 Iperldb;
748a9306 1836 /* This value may be raised by extensions for testing purposes */
8ebc5c01 1837IEXT int Iperl_destruct_level IINIT(0); /* 0=none, 1=full, 2=full with checks */
79072805 1838
1839/* magical thingies */
85e6fe83 1840IEXT Time_t Ibasetime; /* $^T */
79072805 1841IEXT SV * Iformfeed; /* $^L */
1842IEXT char * Ichopset IINIT(" \n-"); /* $: */
c07a80fd 1843IEXT SV * Irs; /* $/ */
79072805 1844IEXT char * Iofs; /* $, */
8990e307 1845IEXT STRLEN Iofslen;
79072805 1846IEXT char * Iors; /* $\ */
8990e307 1847IEXT STRLEN Iorslen;
79072805 1848IEXT char * Iofmt; /* $# */
1849IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */
f86702cc 1850IEXT int Imultiline; /* $*--do strings hold >1 line? */
91e9c03f 1851IEXT I32 Istatusvalue; /* $? */
f86702cc 1852#ifdef VMS
ff0cee69 1853IEXT U32 Istatusvalue_vms;
f86702cc 1854#endif
79072805 1855
1856IEXT struct stat Istatcache; /* _ */
1857IEXT GV * Istatgv;
1858IEXT SV * Istatname IINIT(Nullsv);
1859
1860/* shortcuts to various I/O objects */
1861IEXT GV * Istdingv;
1862IEXT GV * Ilast_in_gv;
1863IEXT GV * Idefgv;
1864IEXT GV * Iargvgv;
1865IEXT GV * Idefoutgv;
79072805 1866IEXT GV * Iargvoutgv;
1867
1868/* shortcuts to regexp stuff */
1869IEXT GV * Ileftgv;
1870IEXT GV * Iampergv;
1871IEXT GV * Irightgv;
1872IEXT PMOP * Icurpm; /* what to do \ interps from */
79072805 1873IEXT I32 * Iscreamfirst;
1874IEXT I32 * Iscreamnext;
1875IEXT I32 Imaxscream IINIT(-1);
1876IEXT SV * Ilastscream;
1877
4633a7c4 1878/* shortcuts to misc objects */
12f917ad 1879IEXT GV * Ierrgv;
4633a7c4 1880
79072805 1881/* shortcuts to debugging objects */
1882IEXT GV * IDBgv;
1883IEXT GV * IDBline;
1884IEXT GV * IDBsub;
1885IEXT SV * IDBsingle;
1886IEXT SV * IDBtrace;
1887IEXT SV * IDBsignal;
1888IEXT AV * Ilineary; /* lines of script for debugger */
1889IEXT AV * Idbargs; /* args to call listed by caller function */
1890
1891/* symbol tables */
1892IEXT HV * Idefstash; /* main symbol table */
1893IEXT HV * Icurstash; /* symbol table for current package */
1894IEXT HV * Idebstash; /* symbol table for perldb package */
49dc05e3 1895IEXT HV * Iglobalstash; /* global keyword overrides imported here */
79072805 1896IEXT SV * Icurstname; /* name of current package */
93a17b20 1897IEXT AV * Ibeginav; /* names of BEGIN subroutines */
1898IEXT AV * Iendav; /* names of END subroutines */
7d07dbc2 1899IEXT AV * Iinitav; /* names of INIT subroutines */
0c30d9ec 1900IEXT HV * Istrtab; /* shared string table */
79072805 1901
1902/* memory management */
79072805 1903IEXT SV ** Itmps_stack;
1904IEXT I32 Itmps_ix IINIT(-1);
1905IEXT I32 Itmps_floor IINIT(-1);
8990e307 1906IEXT I32 Itmps_max;
1907IEXT I32 Isv_count; /* how many SV* are currently allocated */
a0d0e21e 1908IEXT I32 Isv_objcount; /* how many objects are currently allocated */
8990e307 1909IEXT SV* Isv_root; /* storage for SVs belonging to interp */
1910IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */
79072805 1911
1912/* funky return mechanisms */
1913IEXT I32 Ilastspbase;
1914IEXT I32 Ilastsize;
1915IEXT int Iforkprocess; /* so do_open |- can return proc# */
1916
1917/* subprocess state */
1918IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */
79072805 1919
1920/* internal state */
463ee0b2 1921IEXT VOL int Iin_eval; /* trap "fatal" errors? */
1922IEXT OP * Irestartop; /* Are we propagating an error from croak? */
79072805 1923IEXT int Idelaymagic; /* ($<,$>) = ... */
2304df62 1924IEXT bool Idirty; /* In the middle of tearing things down? */
748a9306 1925IEXT U8 Ilocalizing; /* are we processing a local() list? */
79072805 1926IEXT bool Itainted; /* using variables controlled by $< */
463ee0b2 1927IEXT bool Itainting; /* doing taint checks */
e50aee73 1928IEXT char * Iop_mask IINIT(NULL); /* masked operations for safe evals */
79072805 1929
1930/* trace state */
1931IEXT I32 Idlevel;
1932IEXT I32 Idlmax IINIT(128);
1933IEXT char * Idebname;
1934IEXT char * Idebdelim;
1935
1936/* current interpreter roots */
748a9306 1937IEXT CV * Imain_cv;
463ee0b2 1938IEXT OP * Imain_root;
1939IEXT OP * Imain_start;
1940IEXT OP * Ieval_root;
1941IEXT OP * Ieval_start;
79072805 1942
1943/* runtime control stuff */
1944IEXT COP * VOL Icurcop IINIT(&compiling);
0c30d9ec 1945IEXT COP * Icurcopdb IINIT(NULL);
79072805 1946IEXT line_t Icopline IINIT(NOLINE);
c09156bb 1947IEXT PERL_CONTEXT * Icxstack;
79072805 1948IEXT I32 Icxstack_ix IINIT(-1);
1949IEXT I32 Icxstack_max IINIT(128);
54310121 1950IEXT JMPENV Istart_env; /* empty startup sigjmp() environment */
1951IEXT JMPENV * Itop_env; /* ptr. to current sigjmp() environment */
79072805 1952
1953/* stack stuff */
0c30d9ec 1954IEXT AV * Icurstack; /* THE STACK */
79072805 1955IEXT AV * Imainstack; /* the stack when nothing funny is happening */
79072805 1956
1957/* format accumulators */
463ee0b2 1958IEXT SV * Iformtarget;
1959IEXT SV * Ibodytarget;
1960IEXT SV * Itoptarget;
79072805 1961
1962/* statics moved here for shared library purposes */
93a17b20 1963IEXT SV Istrchop; /* return value from chop */
79072805 1964IEXT int Ifilemode; /* so nextargv() can preserve mode */
1965IEXT int Ilastfd; /* what to preserve mode on */
1966IEXT char * Ioldname; /* what to preserve mode on */
1967IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */
1968IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */
1969IEXT OP * Isortcop; /* user defined sort routine */
1970IEXT HV * Isortstash; /* which is in some package or other */
1971IEXT GV * Ifirstgv; /* $a */
1972IEXT GV * Isecondgv; /* $b */
1973IEXT AV * Isortstack; /* temp stack during pp_sort() */
1974IEXT AV * Isignalstack; /* temp stack during sighandler() */
1975IEXT SV * Imystrk; /* temp key string for do_each() */
1976IEXT I32 Idumplvl; /* indentation level on syntax tree dump */
79072805 1977IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */
1978IEXT I32 Igensym; /* next symbol for getsym() to define */
1979IEXT bool Ipreambled;
3c81428c 1980IEXT AV * Ipreambleav;
79072805 1981IEXT int Ilaststatval IINIT(-1);
1982IEXT I32 Ilaststype IINIT(OP_STAT);
46fc3d4c 1983IEXT SV * Imess_sv;
79072805 1984
8023c3ce 1985#ifdef USE_THREADS
1986/* threads stuff */
1987IEXT SV * Ithrsv; /* holds struct thread for main thread */
1988#endif /* USE_THREADS */
1989
79072805 1990#undef IEXT
1991#undef IINIT
1992
8990e307 1993#ifdef MULTIPLICITY
79072805 1994};
1995#else
1996struct interpreter {
1997 char broiled;
1998};
1999#endif
2000
11343788 2001#include "thread.h"
79072805 2002#include "pp.h"
2003
32f822de 2004START_EXTERN_C
79072805 2005#include "proto.h"
2006
a0d0e21e 2007#ifdef EMBED
2008#define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
2009#define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
2010#else
2011#define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
2012#define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
2013#endif
2014
32f822de 2015END_EXTERN_C
79072805 2016
93a17b20 2017/* The following must follow proto.h */
79072805 2018
2019#ifdef DOINIT
bbce6d69 2020
4633a7c4 2021EXT MGVTBL vtbl_sv = {magic_get,
463ee0b2 2022 magic_set,
2023 magic_len,
2024 0, 0};
fb73857a 2025EXT MGVTBL vtbl_env = {0, magic_set_all_env,
2026 0, magic_clear_all_env,
66b1d557 2027 0};
4633a7c4 2028EXT MGVTBL vtbl_envelem = {0, magic_setenv,
85e6fe83 2029 0, magic_clearenv,
2030 0};
4633a7c4 2031EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
0c30d9ec 2032EXT MGVTBL vtbl_sigelem = {magic_getsig,
2033 magic_setsig,
2034 0, magic_clearsig,
2035 0};
4633a7c4 2036EXT MGVTBL vtbl_pack = {0, 0, 0, magic_wipepack,
a0d0e21e 2037 0};
4633a7c4 2038EXT MGVTBL vtbl_packelem = {magic_getpack,
463ee0b2 2039 magic_setpack,
2040 0, magic_clearpack,
2041 0};
4633a7c4 2042EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
463ee0b2 2043 0, 0, 0};
4633a7c4 2044EXT MGVTBL vtbl_isa = {0, magic_setisa,
fb73857a 2045 0, magic_setisa,
2046 0};
4633a7c4 2047EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
463ee0b2 2048 0, 0, 0};
4633a7c4 2049EXT MGVTBL vtbl_arylen = {magic_getarylen,
463ee0b2 2050 magic_setarylen,
2051 0, 0, 0};
4633a7c4 2052EXT MGVTBL vtbl_glob = {magic_getglob,
463ee0b2 2053 magic_setglob,
2054 0, 0, 0};
4633a7c4 2055EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
463ee0b2 2056 0, 0, 0};
99abf803 2057EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
2058 0, 0, 0};
4633a7c4 2059EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
463ee0b2 2060 0, 0, 0};
4633a7c4 2061EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
463ee0b2 2062 0, 0, 0};
4633a7c4 2063EXT MGVTBL vtbl_vec = {0, magic_setvec,
463ee0b2 2064 0, 0, 0};
4633a7c4 2065EXT MGVTBL vtbl_pos = {magic_getpos,
a0d0e21e 2066 magic_setpos,
2067 0, 0, 0};
4633a7c4 2068EXT MGVTBL vtbl_bm = {0, magic_setbm,
463ee0b2 2069 0, 0, 0};
55497cff 2070EXT MGVTBL vtbl_fm = {0, magic_setfm,
2071 0, 0, 0};
4633a7c4 2072EXT MGVTBL vtbl_uvar = {magic_getuvar,
463ee0b2 2073 magic_setuvar,
2074 0, 0, 0};
f93b4edd 2075#ifdef USE_THREADS
2076EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
2077#endif /* USE_THREADS */
68dc0745 2078EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
2079 0, 0, magic_freedefelem};
a0d0e21e 2080
36477c24 2081#ifdef USE_LOCALE_COLLATE
bbce6d69 2082EXT MGVTBL vtbl_collxfrm = {0,
2083 magic_setcollxfrm,
2084 0, 0, 0};
2085#endif
a0d0e21e 2086
2087#ifdef OVERLOAD
4633a7c4 2088EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
748a9306 2089 0, 0, magic_setamagic};
4633a7c4 2090EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
748a9306 2091 0, 0, magic_setamagic};
a0d0e21e 2092#endif /* OVERLOAD */
2093
bbce6d69 2094#else /* !DOINIT */
2095
79072805 2096EXT MGVTBL vtbl_sv;
2097EXT MGVTBL vtbl_env;
2098EXT MGVTBL vtbl_envelem;
2099EXT MGVTBL vtbl_sig;
2100EXT MGVTBL vtbl_sigelem;
463ee0b2 2101EXT MGVTBL vtbl_pack;
2102EXT MGVTBL vtbl_packelem;
79072805 2103EXT MGVTBL vtbl_dbline;
463ee0b2 2104EXT MGVTBL vtbl_isa;
2105EXT MGVTBL vtbl_isaelem;
79072805 2106EXT MGVTBL vtbl_arylen;
2107EXT MGVTBL vtbl_glob;
93a17b20 2108EXT MGVTBL vtbl_mglob;
99abf803 2109EXT MGVTBL vtbl_nkeys;
463ee0b2 2110EXT MGVTBL vtbl_taint;
79072805 2111EXT MGVTBL vtbl_substr;
2112EXT MGVTBL vtbl_vec;
a0d0e21e 2113EXT MGVTBL vtbl_pos;
79072805 2114EXT MGVTBL vtbl_bm;
55497cff 2115EXT MGVTBL vtbl_fm;
79072805 2116EXT MGVTBL vtbl_uvar;
a0d0e21e 2117
f93b4edd 2118#ifdef USE_THREADS
2119EXT MGVTBL vtbl_mutex;
2120#endif /* USE_THREADS */
2121
68dc0745 2122EXT MGVTBL vtbl_defelem;
a0d0e21e 2123
36477c24 2124#ifdef USE_LOCALE_COLLATE
bbce6d69 2125EXT MGVTBL vtbl_collxfrm;
2126#endif
a0d0e21e 2127
2128#ifdef OVERLOAD
2129EXT MGVTBL vtbl_amagic;
2130EXT MGVTBL vtbl_amagicelem;
2131#endif /* OVERLOAD */
2132
bbce6d69 2133#endif /* !DOINIT */
85e6fe83 2134
a0d0e21e 2135#ifdef OVERLOAD
c0315cdf 2136
a0d0e21e 2137EXT long amagic_generation;
2138
a6006777 2139#define NofAMmeth 58
a0d0e21e 2140#ifdef DOINIT
a6006777 2141EXTCONST char * AMG_names[NofAMmeth] = {
2142 "fallback", "abs", /* "fallback" should be the first. */
2143 "bool", "nomethod",
2144 "\"\"", "0+",
2145 "+", "+=",
2146 "-", "-=",
2147 "*", "*=",
2148 "/", "/=",
2149 "%", "%=",
2150 "**", "**=",
2151 "<<", "<<=",
2152 ">>", ">>=",
2153 "&", "&=",
2154 "|", "|=",
2155 "^", "^=",
2156 "<", "<=",
2157 ">", ">=",
2158 "==", "!=",
2159 "<=>", "cmp",
2160 "lt", "le",
2161 "gt", "ge",
2162 "eq", "ne",
2163 "!", "~",
2164 "++", "--",
2165 "atan2", "cos",
2166 "sin", "exp",
2167 "log", "sqrt",
2168 "x", "x=",
2169 ".", ".=",
2170 "=", "neg"
a0d0e21e 2171};
2172#else
a6006777 2173EXTCONST char * AMG_names[NofAMmeth];
a0d0e21e 2174#endif /* def INITAMAGIC */
2175
a6006777 2176struct am_table {
a0d0e21e 2177 long was_ok_sub;
2178 long was_ok_am;
a6006777 2179 U32 flags;
2180 CV* table[NofAMmeth];
a0d0e21e 2181 long fallback;
2182};
a6006777 2183struct am_table_short {
2184 long was_ok_sub;
2185 long was_ok_am;
2186 U32 flags;
2187};
a0d0e21e 2188typedef struct am_table AMT;
a6006777 2189typedef struct am_table_short AMTS;
a0d0e21e 2190
2191#define AMGfallNEVER 1
2192#define AMGfallNO 2
2193#define AMGfallYES 3
2194
a6006777 2195#define AMTf_AMAGIC 1
2196#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2197#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2198#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2199
a0d0e21e 2200enum {
2201 fallback_amg, abs_amg,
2202 bool__amg, nomethod_amg,
2203 string_amg, numer_amg,
2204 add_amg, add_ass_amg,
2205 subtr_amg, subtr_ass_amg,
2206 mult_amg, mult_ass_amg,
2207 div_amg, div_ass_amg,
2208 mod_amg, mod_ass_amg,
2209 pow_amg, pow_ass_amg,
2210 lshift_amg, lshift_ass_amg,
2211 rshift_amg, rshift_ass_amg,
748a9306 2212 band_amg, band_ass_amg,
2213 bor_amg, bor_ass_amg,
2214 bxor_amg, bxor_ass_amg,
a0d0e21e 2215 lt_amg, le_amg,
2216 gt_amg, ge_amg,
2217 eq_amg, ne_amg,
2218 ncmp_amg, scmp_amg,
2219 slt_amg, sle_amg,
2220 sgt_amg, sge_amg,
2221 seq_amg, sne_amg,
a0d0e21e 2222 not_amg, compl_amg,
2223 inc_amg, dec_amg,
2224 atan2_amg, cos_amg,
2225 sin_amg, exp_amg,
2226 log_amg, sqrt_amg,
2227 repeat_amg, repeat_ass_amg,
748a9306 2228 concat_amg, concat_ass_amg,
2229 copy_amg, neg_amg
a0d0e21e 2230};
c0315cdf 2231
2232/*
2233 * some compilers like to redefine cos et alia as faster
2234 * (and less accurate?) versions called F_cos et cetera (Quidquid
2235 * latine dictum sit, altum viditur.) This trick collides with
2236 * the Perl overloading (amg). The following #defines fool both.
2237 */
2238
2239#ifdef _FASTMATH
2240# ifdef atan2
2241# define F_atan2_amg atan2_amg
2242# endif
2243# ifdef cos
2244# define F_cos_amg cos_amg
2245# endif
2246# ifdef exp
2247# define F_exp_amg exp_amg
2248# endif
2249# ifdef log
2250# define F_log_amg log_amg
2251# endif
2252# ifdef pow
2253# define F_pow_amg pow_amg
2254# endif
2255# ifdef sin
2256# define F_sin_amg sin_amg
2257# endif
2258# ifdef sqrt
2259# define F_sqrt_amg sqrt_amg
2260# endif
2261#endif /* _FASTMATH */
2262
a0d0e21e 2263#endif /* OVERLOAD */
2264
84902520 2265#define PERLDB_ALL 0xff
2266#define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2267#define PERLDBf_LINE 0x02 /* Keep line #. */
2268#define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2269#define PERLDBf_INTER 0x08 /* Preserve more data for
2270 later inspections. */
2271#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2272#define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2273
2274#define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2275#define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2276#define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2277#define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2278#define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2279#define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2280
36477c24 2281#ifdef USE_LOCALE_COLLATE
bbce6d69 2282EXT U32 collation_ix; /* Collation generation index */
2283EXT char * collation_name; /* Name of current collation */
2284EXT bool collation_standard INIT(TRUE); /* Assume simple collation */
2285EXT Size_t collxfrm_base; /* Basic overhead in *xfrm() */
2286EXT Size_t collxfrm_mult INIT(2); /* Expansion factor in *xfrm() */
36477c24 2287#endif /* USE_LOCALE_COLLATE */
bbce6d69 2288
36477c24 2289#ifdef USE_LOCALE_NUMERIC
bbce6d69 2290
2291EXT char * numeric_name; /* Name of current numeric locale */
2292EXT bool numeric_standard INIT(TRUE); /* Assume simple numerics */
2293EXT bool numeric_local INIT(TRUE); /* Assume local numerics */
2294
36477c24 2295#define SET_NUMERIC_STANDARD() \
2296 STMT_START { \
2297 if (! numeric_standard) \
2298 perl_set_numeric_standard(); \
2299 } STMT_END
2300
2301#define SET_NUMERIC_LOCAL() \
2302 STMT_START { \
2303 if (! numeric_local) \
2304 perl_set_numeric_local(); \
2305 } STMT_END
bbce6d69 2306
36477c24 2307#else /* !USE_LOCALE_NUMERIC */
bbce6d69 2308
36477c24 2309#define SET_NUMERIC_STANDARD() /**/
2310#define SET_NUMERIC_LOCAL() /**/
bbce6d69 2311
36477c24 2312#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 2313
760ac839 2314#if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2315/*
2316 * Now we have __attribute__ out of the way
2317 * Remap printf
2318 */
2319#define printf PerlIO_stdoutf
2320#endif
2321
fba3b22e 2322/*
2323 * nice_chunk and nice_chunk size need to be set
2324 * and queried under the protection of sv_mutex
2325 */
2326#define offer_nice_chunk(chunk, chunk_size) do { \
2327 MUTEX_LOCK(&sv_mutex); \
2328 if (!nice_chunk) { \
2329 nice_chunk = (char*)(chunk); \
2330 nice_chunk_size = (chunk_size); \
2331 } \
2332 MUTEX_UNLOCK(&sv_mutex); \
2333 } while (0)
2334
85e6fe83 2335#endif /* Include guard */
a6e633de 2336
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