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[asperl] various changes to get asperl working under Borland
[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
76e3520e 27#ifdef PERL_OBJECT
28class CPerlObj;
29
30#define STATIC
31#define CPERLscope(x) CPerlObj::x
32#define CPERLproto CPerlObj *
33#define CPERLproto_ CPERLproto,
34#define CPERLarg CPerlObj *pPerl
35#define CPERLarg_ CPERLarg,
36#define THIS this
37#define THIS_ this,
38#define CALLRUNOPS (this->*runops)
39
40#else /* !PERL_OBJECT */
41
42#define STATIC static
43#define CPERLscope(x) x
44#define CPERLproto
45#define CPERLproto_
565764a8 46#define CPERLarg void
76e3520e 47#define CPERLarg_
48#define THIS
49#define THIS_
50#define CALLRUNOPS runops
51
52#endif /* PERL_OBJECT */
53
71be2cbc 54#define VOIDUSED 1
55#include "config.h"
56
57#include "embed.h"
58
326b05e3 59#undef START_EXTERN_C
60#undef END_EXTERN_C
61#undef EXTERN_C
32f822de 62#ifdef __cplusplus
63# define START_EXTERN_C extern "C" {
64# define END_EXTERN_C }
65# define EXTERN_C extern "C"
66#else
67# define START_EXTERN_C
68# define END_EXTERN_C
69# define EXTERN_C
70#endif
71
462e5cf6 72#ifdef OP_IN_REGISTER
73# ifdef __GNUC__
74# define stringify_immed(s) #s
75# define stringify(s) stringify_immed(s)
d1ca3daa 76#ifdef EMBED
77register struct op *Perl_op asm(stringify(OP_IN_REGISTER));
78#else
462e5cf6 79register struct op *op asm(stringify(OP_IN_REGISTER));
d1ca3daa 80#endif
462e5cf6 81# endif
82#endif
83
728e2803 84/*
85 * STMT_START { statements; } STMT_END;
86 * can be used as a single statement, as in
87 * if (x) STMT_START { ... } STMT_END; else ...
88 *
89 * Trying to select a version that gives no warnings...
90 */
91#if !(defined(STMT_START) && defined(STMT_END))
169d69b2 92# if defined(__GNUC__) && !defined(__STRICT_ANSI__) && !defined(__cplusplus)
728e2803 93# define STMT_START (void)( /* gcc supports ``({ STATEMENTS; })'' */
94# define STMT_END )
95# else
96 /* Now which other defined()s do we need here ??? */
97# if (VOIDFLAGS) && (defined(sun) || defined(__sun__))
98# define STMT_START if (1)
99# define STMT_END else (void)0
100# else
101# define STMT_START do
102# define STMT_END while (0)
103# endif
104# endif
105#endif
106
462e5cf6 107#define NOOP (void)0
108
61bb5906 109#define WITH_THR(s) STMT_START { dTHR; s; } STMT_END
ea0efc06 110
55497cff 111/*
112 * SOFT_CAST can be used for args to prototyped functions to retain some
113 * type checking; it only casts if the compiler does not know prototypes.
114 */
115#if defined(CAN_PROTOTYPE) && defined(DEBUGGING_COMPILE)
116#define SOFT_CAST(type)
117#else
118#define SOFT_CAST(type) (type)
119#endif
79072805 120
121#ifndef BYTEORDER
122# define BYTEORDER 0x1234
123#endif
124
125/* Overall memory policy? */
126#ifndef CONSERVATIVE
127# define LIBERAL 1
128#endif
129
130/*
131 * The following contortions are brought to you on behalf of all the
132 * standards, semi-standards, de facto standards, not-so-de-facto standards
133 * of the world, as well as all the other botches anyone ever thought of.
134 * The basic theory is that if we work hard enough here, the rest of the
135 * code can be a lot prettier. Well, so much for theory. Sorry, Henry...
136 */
ac58e20f 137
ee0007ab 138/* define this once if either system, instead of cluttering up the src */
68dc0745 139#if defined(MSDOS) || defined(atarist) || defined(WIN32)
ee0007ab 140#define DOSISH 1
141#endif
142
a0d0e21e 143#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
352d5a3a 144# define STANDARD_C 1
145#endif
146
16de4a3e 147#if defined(__cplusplus) || defined(WIN32) || defined(__sgi) || defined(OS2) \
148 || defined(__DGUX)
68dc0745 149# define DONT_DECLARE_STD 1
150#endif
151
352d5a3a 152#if defined(HASVOLATILE) || defined(STANDARD_C)
79072805 153# ifdef __cplusplus
154# define VOL // to temporarily suppress warnings
155# else
156# define VOL volatile
157# endif
663a0e37 158#else
79072805 159# define VOL
663a0e37 160#endif
161
bbce6d69 162#define TAINT (tainted = TRUE)
163#define TAINT_NOT (tainted = FALSE)
164#define TAINT_IF(c) if (c) { tainted = TRUE; }
165#define TAINT_ENV() if (tainting) { taint_env(); }
166#define TAINT_PROPER(s) if (tainting) { taint_proper(no_security, s); }
a687059c 167
a6e633de 168/* XXX All process group stuff is handled in pp_sys.c. Should these
169 defines move there? If so, I could simplify this a lot. --AD 9/96.
170*/
171/* Process group stuff changed from traditional BSD to POSIX.
172 perlfunc.pod documents the traditional BSD-style syntax, so we'll
173 try to preserve that, if possible.
174*/
175#ifdef HAS_SETPGID
176# define BSD_SETPGRP(pid, pgrp) setpgid((pid), (pgrp))
c07a80fd 177#else
a6e633de 178# if defined(HAS_SETPGRP) && defined(USE_BSD_SETPGRP)
179# define BSD_SETPGRP(pid, pgrp) setpgrp((pid), (pgrp))
180# else
181# ifdef HAS_SETPGRP2 /* DG/UX */
182# define BSD_SETPGRP(pid, pgrp) setpgrp2((pid), (pgrp))
183# endif
184# endif
185#endif
186#if defined(BSD_SETPGRP) && !defined(HAS_SETPGRP)
187# define HAS_SETPGRP /* Well, effectively it does . . . */
188#endif
189
190/* getpgid isn't POSIX, but at least Solaris and Linux have it, and it makes
191 our life easier :-) so we'll try it.
192*/
193#ifdef HAS_GETPGID
194# define BSD_GETPGRP(pid) getpgid((pid))
195#else
196# if defined(HAS_GETPGRP) && defined(USE_BSD_GETPGRP)
197# define BSD_GETPGRP(pid) getpgrp((pid))
198# else
199# ifdef HAS_GETPGRP2 /* DG/UX */
200# define BSD_GETPGRP(pid) getpgrp2((pid))
201# endif
202# endif
203#endif
204#if defined(BSD_GETPGRP) && !defined(HAS_GETPGRP)
205# define HAS_GETPGRP /* Well, effectively it does . . . */
206#endif
207
208/* These are not exact synonyms, since setpgrp() and getpgrp() may
209 have different behaviors, but perl.h used to define USE_BSDPGRP
210 (prior to 5.003_05) so some extension might depend on it.
211*/
212#if defined(USE_BSD_SETPGRP) || defined(USE_BSD_GETPGRP)
213# ifndef USE_BSDPGRP
214# define USE_BSDPGRP
215# endif
663a0e37 216#endif
217
760ac839 218#ifndef _TYPES_ /* If types.h defines this it's easy. */
219# ifndef major /* Does everyone's types.h define this? */
220# include <sys/types.h>
c07a80fd 221# endif
663a0e37 222#endif
223
760ac839 224#ifdef __cplusplus
225# ifndef I_STDARG
226# define I_STDARG 1
227# endif
228#endif
229
230#ifdef I_STDARG
231# include <stdarg.h>
232#else
233# ifdef I_VARARGS
234# include <varargs.h>
235# endif
236#endif
237
238#include "perlio.h"
76e3520e 239#include "perlmem.h"
6ad3d225 240#include "perllio.h"
241#include "perlsock.h"
242#include "perlproc.h"
243#include "perlenv.h"
244#include "perldir.h"
0c30d9ec 245
4633a7c4 246#ifdef USE_NEXT_CTYPE
0c30d9ec 247
248#if NX_CURRENT_COMPILER_RELEASE >= 400
249#include <objc/NXCType.h>
250#else /* NX_CURRENT_COMPILER_RELEASE < 400 */
a0d0e21e 251#include <appkit/NXCType.h>
0c30d9ec 252#endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
253
254#else /* !USE_NEXT_CTYPE */
fe14fcc3 255#include <ctype.h>
0c30d9ec 256#endif /* USE_NEXT_CTYPE */
a0d0e21e 257
258#ifdef METHOD /* Defined by OSF/1 v3.0 by ctype.h */
259#undef METHOD
a0d0e21e 260#endif
261
4633a7c4 262#ifdef I_LOCALE
36477c24 263# include <locale.h>
4633a7c4 264#endif
265
36477c24 266#if !defined(NO_LOCALE) && defined(HAS_SETLOCALE)
267# define USE_LOCALE
268# if !defined(NO_LOCALE_COLLATE) && defined(LC_COLLATE) \
269 && defined(HAS_STRXFRM)
270# define USE_LOCALE_COLLATE
271# endif
272# if !defined(NO_LOCALE_CTYPE) && defined(LC_CTYPE)
273# define USE_LOCALE_CTYPE
274# endif
275# if !defined(NO_LOCALE_NUMERIC) && defined(LC_NUMERIC)
276# define USE_LOCALE_NUMERIC
277# endif
278#endif /* !NO_LOCALE && HAS_SETLOCALE */
a0d0e21e 279
fe14fcc3 280#include <setjmp.h>
79072805 281
a0d0e21e 282#ifdef I_SYS_PARAM
79072805 283# ifdef PARAM_NEEDS_TYPES
284# include <sys/types.h>
285# endif
286# include <sys/param.h>
352d5a3a 287#endif
79072805 288
289
290/* Use all the "standard" definitions? */
a0d0e21e 291#if defined(STANDARD_C) && defined(I_STDLIB)
79072805 292# include <stdlib.h>
ff68c719 293#endif
03a14243 294
c31fac66 295#define MEM_SIZE Size_t
296
55497cff 297/* This comes after <stdlib.h> so we don't try to change the standard
298 * library prototypes; we'll use our own in proto.h instead. */
03a14243 299
4633a7c4 300#ifdef MYMALLOC
55497cff 301
4633a7c4 302# ifdef HIDEMYMALLOC
55497cff 303# define malloc Mymalloc
304# define calloc Mycalloc
4633a7c4 305# define realloc Myremalloc
55497cff 306# define free Myfree
c31fac66 307Malloc_t Mymalloc _((MEM_SIZE nbytes));
308Malloc_t Mycalloc _((MEM_SIZE elements, MEM_SIZE size));
309Malloc_t Myrealloc _((Malloc_t where, MEM_SIZE nbytes));
310Free_t Myfree _((Malloc_t where));
55497cff 311# endif
312# ifdef EMBEDMYMALLOC
313# define malloc Perl_malloc
314# define calloc Perl_calloc
315# define realloc Perl_realloc
316# define free Perl_free
c31fac66 317Malloc_t Perl_malloc _((MEM_SIZE nbytes));
318Malloc_t Perl_calloc _((MEM_SIZE elements, MEM_SIZE size));
319Malloc_t Perl_realloc _((Malloc_t where, MEM_SIZE nbytes));
320Free_t Perl_free _((Malloc_t where));
4633a7c4 321# endif
55497cff 322
323# undef safemalloc
324# undef safecalloc
325# undef saferealloc
326# undef safefree
327# define safemalloc malloc
328# define safecalloc calloc
4633a7c4 329# define saferealloc realloc
55497cff 330# define safefree free
331
332#endif /* MYMALLOC */
4633a7c4 333
ff68c719 334#if defined(STANDARD_C) && defined(I_STDDEF)
335# include <stddef.h>
71be2cbc 336# define STRUCT_OFFSET(s,m) offsetof(s,m)
ff68c719 337#else
71be2cbc 338# define STRUCT_OFFSET(s,m) (Size_t)(&(((s *)0)->m))
ff68c719 339#endif
340
a0d0e21e 341#if defined(I_STRING) || defined(__cplusplus)
342# include <string.h>
343#else
344# include <strings.h>
345#endif
346
347#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
348#define strchr index
349#define strrchr rindex
350#endif
351
16d20bd9 352#ifdef I_MEMORY
353# include <memory.h>
354#endif
355
fe14fcc3 356#ifdef HAS_MEMCPY
85e6fe83 357# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
fe14fcc3 358# ifndef memcpy
a0d0e21e 359 extern char * memcpy _((char*, char*, int));
ee0007ab 360# endif
361# endif
362#else
363# ifndef memcpy
364# ifdef HAS_BCOPY
365# define memcpy(d,s,l) bcopy(s,d,l)
366# else
367# define memcpy(d,s,l) my_bcopy(s,d,l)
368# endif
369# endif
370#endif /* HAS_MEMCPY */
fe14fcc3 371
ee0007ab 372#ifdef HAS_MEMSET
85e6fe83 373# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 374# ifndef memset
a0d0e21e 375 extern char *memset _((char*, int, int));
ee0007ab 376# endif
377# endif
ee0007ab 378#else
fc36a67e 379# define memset(d,c,l) my_memset(d,c,l)
ee0007ab 380#endif /* HAS_MEMSET */
381
85e6fe83 382#if !defined(HAS_MEMMOVE) && !defined(memmove)
2304df62 383# if defined(HAS_BCOPY) && defined(HAS_SAFE_BCOPY)
79072805 384# define memmove(d,s,l) bcopy(s,d,l)
385# else
2304df62 386# if defined(HAS_MEMCPY) && defined(HAS_SAFE_MEMCPY)
79072805 387# define memmove(d,s,l) memcpy(d,s,l)
ee0007ab 388# else
79072805 389# define memmove(d,s,l) my_bcopy(s,d,l)
ee0007ab 390# endif
352d5a3a 391# endif
d9d8d8de 392#endif
ee0007ab 393
36477c24 394#if defined(mips) && defined(ultrix) && !defined(__STDC__)
395# undef HAS_MEMCMP
396#endif
397
398#if defined(HAS_MEMCMP) && defined(HAS_SANE_MEMCMP)
85e6fe83 399# if !defined(STANDARD_C) && !defined(I_STRING) && !defined(I_MEMORY)
ee0007ab 400# ifndef memcmp
a0d0e21e 401 extern int memcmp _((char*, char*, int));
ee0007ab 402# endif
403# endif
36477c24 404# ifdef BUGGY_MSC
405 # pragma function(memcmp)
406# endif
ee0007ab 407#else
408# ifndef memcmp
ecfc5424 409# define memcmp my_memcmp
352d5a3a 410# endif
36477c24 411#endif /* HAS_MEMCMP && HAS_SANE_MEMCMP */
8d063cd8 412
fc36a67e 413#ifndef memzero
c635e13b 414# ifdef HAS_MEMSET
415# define memzero(d,l) memset(d,0,l)
79072805 416# else
c635e13b 417# ifdef HAS_BZERO
418# define memzero(d,l) bzero(d,l)
79072805 419# else
fc36a67e 420# define memzero(d,l) my_bzero(d,l)
79072805 421# endif
422# endif
d9d8d8de 423#endif
378cc40b 424
36477c24 425#ifndef HAS_BCMP
426# ifndef bcmp
427# define bcmp(s1,s2,l) memcmp(s1,s2,l)
79072805 428# endif
36477c24 429#endif /* !HAS_BCMP */
378cc40b 430
ae986130 431#ifdef I_NETINET_IN
79072805 432# include <netinet/in.h>
ae986130 433#endif
434
84902520 435#if defined(SF_APPEND) && defined(USE_SFIO) && defined(I_SFIO)
436/* <sfio.h> defines SF_APPEND and <sys/stat.h> might define SF_APPEND
437 * (the neo-BSD seem to do this). */
438# undef SF_APPEND
439#endif
440
1aef975c 441#ifdef I_SYS_STAT
84902520 442# include <sys/stat.h>
1aef975c 443#endif
79072805 444
a0d0e21e 445/* The stat macros for Amdahl UTS, Unisoft System V/88 (and derivatives
446 like UTekV) are broken, sometimes giving false positives. Undefine
447 them here and let the code below set them to proper values.
448
449 The ghs macro stands for GreenHills Software C-1.8.5 which
450 is the C compiler for sysV88 and the various derivatives.
451 This header file bug is corrected in gcc-2.5.8 and later versions.
452 --Kaveh Ghazi (ghazi@noc.rutgers.edu) 10/3/94. */
453
454#if defined(uts) || (defined(m88k) && defined(ghs))
79072805 455# undef S_ISDIR
456# undef S_ISCHR
457# undef S_ISBLK
458# undef S_ISREG
459# undef S_ISFIFO
460# undef S_ISLNK
ee0007ab 461#endif
135863df 462
663a0e37 463#ifdef I_TIME
464# include <time.h>
ffed7fef 465#endif
663a0e37 466
fe14fcc3 467#ifdef I_SYS_TIME
85e6fe83 468# ifdef I_SYS_TIME_KERNEL
663a0e37 469# define KERNEL
470# endif
471# include <sys/time.h>
85e6fe83 472# ifdef I_SYS_TIME_KERNEL
663a0e37 473# undef KERNEL
474# endif
a687059c 475#endif
135863df 476
55497cff 477#if defined(HAS_TIMES) && defined(I_SYS_TIMES)
85e6fe83 478# include <sys/times.h>
d9d8d8de 479#endif
8d063cd8 480
fe14fcc3 481#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
79072805 482# undef HAS_STRERROR
663a0e37 483#endif
484
a0d0e21e 485#ifndef HAS_MKFIFO
486# ifndef mkfifo
487# define mkfifo(path, mode) (mknod((path), (mode) | S_IFIFO, 0))
488# endif
489#endif /* !HAS_MKFIFO */
490
663a0e37 491#include <errno.h>
ed6116ce 492#ifdef HAS_SOCKET
85e6fe83 493# ifdef I_NET_ERRNO
ed6116ce 494# include <net/errno.h>
495# endif
496#endif
f86702cc 497
498#ifdef VMS
499# define SETERRNO(errcode,vmserrcode) \
500 STMT_START { \
501 set_errno(errcode); \
502 set_vaxc_errno(vmserrcode); \
503 } STMT_END
748a9306 504#else
f86702cc 505# define SETERRNO(errcode,vmserrcode) errno = (errcode)
748a9306 506#endif
ed6116ce 507
38a03e6e 508#ifdef USE_THREADS
509# define ERRSV (thr->errsv)
510# define ERRHV (thr->errhv)
940cb80d 511# define DEFSV THREADSV(0)
512# define SAVE_DEFSV save_threadsv(0)
38a03e6e 513#else
514# define ERRSV GvSV(errgv)
515# define ERRHV GvHV(errgv)
54b9620d 516# define DEFSV GvSV(defgv)
517# define SAVE_DEFSV SAVESPTR(GvSV(defgv))
38a03e6e 518#endif /* USE_THREADS */
519
55497cff 520#ifndef errno
79072805 521 extern int errno; /* ANSI allows errno to be an lvalue expr */
d9d8d8de 522#endif
663a0e37 523
2304df62 524#ifdef HAS_STRERROR
a0d0e21e 525# ifdef VMS
526 char *strerror _((int,...));
527# else
68dc0745 528#ifndef DONT_DECLARE_STD
a0d0e21e 529 char *strerror _((int));
68dc0745 530#endif
a0d0e21e 531# endif
2304df62 532# ifndef Strerror
533# define Strerror strerror
534# endif
535#else
536# ifdef HAS_SYS_ERRLIST
79072805 537 extern int sys_nerr;
538 extern char *sys_errlist[];
2304df62 539# ifndef Strerror
540# define Strerror(e) \
79072805 541 ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
2304df62 542# endif
79072805 543# endif
35c8bce7 544#endif
663a0e37 545
2304df62 546#ifdef I_SYS_IOCTL
79072805 547# ifndef _IOCTL_
548# include <sys/ioctl.h>
549# endif
a687059c 550#endif
551
ee0007ab 552#if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000)
79072805 553# ifdef HAS_SOCKETPAIR
554# undef HAS_SOCKETPAIR
555# endif
2304df62 556# ifdef I_NDBM
557# undef I_NDBM
79072805 558# endif
a687059c 559#endif
560
a687059c 561#if INTSIZE == 2
79072805 562# define htoni htons
563# define ntohi ntohs
a687059c 564#else
79072805 565# define htoni htonl
566# define ntohi ntohl
a687059c 567#endif
568
a0d0e21e 569/* Configure already sets Direntry_t */
35c8bce7 570#if defined(I_DIRENT)
663a0e37 571# include <dirent.h>
a0d0e21e 572# if defined(NeXT) && defined(I_SYS_DIR) /* NeXT needs dirent + sys/dir.h */
573# include <sys/dir.h>
574# endif
ae986130 575#else
fe14fcc3 576# ifdef I_SYS_NDIR
79a0689e 577# include <sys/ndir.h>
663a0e37 578# else
fe14fcc3 579# ifdef I_SYS_DIR
79a0689e 580# ifdef hp9000s500
581# include <ndir.h> /* may be wrong in the future */
582# else
583# include <sys/dir.h>
584# endif
663a0e37 585# endif
586# endif
4633a7c4 587#endif
a687059c 588
352d5a3a 589#ifdef FPUTS_BOTCH
590/* work around botch in SunOS 4.0.1 and 4.0.2 */
591# ifndef fputs
79072805 592# define fputs(sv,fp) fprintf(fp,"%s",sv)
352d5a3a 593# endif
594#endif
595
c623bd54 596/*
597 * The following gobbledygook brought to you on behalf of __STDC__.
598 * (I could just use #ifndef __STDC__, but this is more bulletproof
599 * in the face of half-implementations.)
600 */
601
602#ifndef S_IFMT
603# ifdef _S_IFMT
604# define S_IFMT _S_IFMT
605# else
606# define S_IFMT 0170000
607# endif
608#endif
609
610#ifndef S_ISDIR
611# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
612#endif
613
614#ifndef S_ISCHR
615# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
616#endif
617
618#ifndef S_ISBLK
fe14fcc3 619# ifdef S_IFBLK
620# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
621# else
622# define S_ISBLK(m) (0)
623# endif
c623bd54 624#endif
625
626#ifndef S_ISREG
627# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
628#endif
629
630#ifndef S_ISFIFO
fe14fcc3 631# ifdef S_IFIFO
632# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
633# else
634# define S_ISFIFO(m) (0)
635# endif
c623bd54 636#endif
637
638#ifndef S_ISLNK
639# ifdef _S_ISLNK
640# define S_ISLNK(m) _S_ISLNK(m)
641# else
642# ifdef _S_IFLNK
643# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
644# else
645# ifdef S_IFLNK
646# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
647# else
648# define S_ISLNK(m) (0)
649# endif
650# endif
651# endif
652#endif
653
654#ifndef S_ISSOCK
655# ifdef _S_ISSOCK
656# define S_ISSOCK(m) _S_ISSOCK(m)
657# else
658# ifdef _S_IFSOCK
659# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
660# else
661# ifdef S_IFSOCK
662# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
663# else
664# define S_ISSOCK(m) (0)
665# endif
666# endif
667# endif
668#endif
669
670#ifndef S_IRUSR
671# ifdef S_IREAD
672# define S_IRUSR S_IREAD
673# define S_IWUSR S_IWRITE
674# define S_IXUSR S_IEXEC
675# else
676# define S_IRUSR 0400
677# define S_IWUSR 0200
678# define S_IXUSR 0100
679# endif
680# define S_IRGRP (S_IRUSR>>3)
681# define S_IWGRP (S_IWUSR>>3)
682# define S_IXGRP (S_IXUSR>>3)
683# define S_IROTH (S_IRUSR>>6)
684# define S_IWOTH (S_IWUSR>>6)
685# define S_IXOTH (S_IXUSR>>6)
686#endif
687
688#ifndef S_ISUID
689# define S_ISUID 04000
690#endif
691
692#ifndef S_ISGID
693# define S_ISGID 02000
694#endif
695
79072805 696#ifdef ff_next
697# undef ff_next
352d5a3a 698#endif
699
a0d0e21e 700#if defined(cray) || defined(gould) || defined(i860) || defined(pyr)
45d8adaa 701# define SLOPPYDIVIDE
702#endif
703
748a9306 704#ifdef UV
705#undef UV
706#endif
707
27d4fb96 708/* XXX QUAD stuff is not currently supported on most systems.
709 Specifically, perl internals don't support long long. Among
710 the many problems is that some compilers support long long,
711 but the underlying library functions (such as sprintf) don't.
712 Some things do work (such as quad pack/unpack on convex);
713 also some systems use long long for the fpos_t typedef. That
714 seems to work too.
715
716 The IV type is supposed to be long enough to hold any integral
717 value or a pointer.
718 --Andy Dougherty August 1996
719*/
720
f86702cc 721#ifdef cray
722# define Quad_t int
723#else
724# ifdef convex
725# define Quad_t long long
45d8adaa 726# else
ff0cee69 727# if BYTEORDER > 0xFFFF
ecfc5424 728# define Quad_t long
45d8adaa 729# endif
730# endif
f86702cc 731#endif
732
733#ifdef Quad_t
734# define HAS_QUAD
748a9306 735 typedef Quad_t IV;
736 typedef unsigned Quad_t UV;
27d4fb96 737# define IV_MAX PERL_QUAD_MAX
738# define IV_MIN PERL_QUAD_MIN
739# define UV_MAX PERL_UQUAD_MAX
740# define UV_MIN PERL_UQUAD_MIN
79072805 741#else
748a9306 742 typedef long IV;
743 typedef unsigned long UV;
27d4fb96 744# define IV_MAX PERL_LONG_MAX
745# define IV_MIN PERL_LONG_MIN
746# define UV_MAX PERL_ULONG_MAX
747# define UV_MIN PERL_ULONG_MIN
79072805 748#endif
749
760ac839 750/* Previously these definitions used hardcoded figures.
751 * It is hoped these formula are more portable, although
752 * no data one way or another is presently known to me.
753 * The "PERL_" names are used because these calculated constants
754 * do not meet the ANSI requirements for LONG_MAX, etc., which
755 * need to be constants acceptable to #if - kja
756 * define PERL_LONG_MAX 2147483647L
757 * define PERL_LONG_MIN (-LONG_MAX - 1)
758 * define PERL ULONG_MAX 4294967295L
759 */
760
761#ifdef I_LIMITS /* Needed for cast_xxx() functions below. */
762# include <limits.h>
763#else
764#ifdef I_VALUES
765# include <values.h>
766#endif
767#endif
768
99abf803 769/*
770 * Try to figure out max and min values for the integral types. THE CORRECT
771 * SOLUTION TO THIS MESS: ADAPT enquire.c FROM GCC INTO CONFIGURE. The
772 * following hacks are used if neither limits.h or values.h provide them:
773 * U<TYPE>_MAX: for types >= int: ~(unsigned TYPE)0
774 * for types < int: (unsigned TYPE)~(unsigned)0
775 * The argument to ~ must be unsigned so that later signed->unsigned
776 * conversion can't modify the value's bit pattern (e.g. -0 -> +0),
777 * and it must not be smaller than int because ~ does integral promotion.
778 * <type>_MAX: (<type>) (U<type>_MAX >> 1)
779 * <type>_MIN: -<type>_MAX - <is_twos_complement_architecture: (3 & -1) == 3>.
780 * The latter is a hack which happens to work on some machines but
781 * does *not* catch any random system, or things like integer types
782 * with NaN if that is possible.
783 *
784 * All of the types are explicitly cast to prevent accidental loss of
785 * numeric range, and in the hope that they will be less likely to confuse
786 * over-eager optimizers.
787 *
788 */
27d4fb96 789
99abf803 790#define PERL_UCHAR_MIN ((unsigned char)0)
791
792#ifdef UCHAR_MAX
793# define PERL_UCHAR_MAX ((unsigned char)UCHAR_MAX)
27d4fb96 794#else
99abf803 795# ifdef MAXUCHAR
796# define PERL_UCHAR_MAX ((unsigned char)MAXUCHAR)
27d4fb96 797# else
99abf803 798# define PERL_UCHAR_MAX ((unsigned char)~(unsigned)0)
27d4fb96 799# endif
800#endif
99abf803 801
802/*
803 * CHAR_MIN and CHAR_MAX are not included here, as the (char) type may be
804 * ambiguous. It may be equivalent to (signed char) or (unsigned char)
805 * depending on local options. Until Configure detects this (or at least
806 * detects whether the "signed" keyword is available) the CHAR ranges
807 * will not be included. UCHAR functions normally.
808 * - kja
809 */
27d4fb96 810
99abf803 811#define PERL_USHORT_MIN ((unsigned short)0)
812
813#ifdef USHORT_MAX
814# define PERL_USHORT_MAX ((unsigned short)USHORT_MAX)
27d4fb96 815#else
99abf803 816# ifdef MAXUSHORT
817# define PERL_USHORT_MAX ((unsigned short)MAXUSHORT)
27d4fb96 818# else
ef2f54b0 819# ifdef USHRT_MAX
820# define PERL_USHORT_MAX ((unsigned short)USHRT_MAX)
821# else
822# define PERL_USHORT_MAX ((unsigned short)~(unsigned)0)
823# endif
27d4fb96 824# endif
825#endif
826
27d4fb96 827#ifdef SHORT_MAX
99abf803 828# define PERL_SHORT_MAX ((short)SHORT_MAX)
27d4fb96 829#else
830# ifdef MAXSHORT /* Often used in <values.h> */
99abf803 831# define PERL_SHORT_MAX ((short)MAXSHORT)
27d4fb96 832# else
ef2f54b0 833# ifdef SHRT_MAX
834# define PERL_SHORT_MAX ((short)SHRT_MAX)
835# else
836# define PERL_SHORT_MAX ((short) (PERL_USHORT_MAX >> 1))
837# endif
27d4fb96 838# endif
839#endif
840
841#ifdef SHORT_MIN
99abf803 842# define PERL_SHORT_MIN ((short)SHORT_MIN)
27d4fb96 843#else
844# ifdef MINSHORT
99abf803 845# define PERL_SHORT_MIN ((short)MINSHORT)
27d4fb96 846# else
ef2f54b0 847# ifdef SHRT_MIN
848# define PERL_SHORT_MIN ((short)SHRT_MIN)
849# else
850# define PERL_SHORT_MIN (-PERL_SHORT_MAX - ((3 & -1) == 3))
851# endif
27d4fb96 852# endif
853#endif
854
99abf803 855#ifdef UINT_MAX
856# define PERL_UINT_MAX ((unsigned int)UINT_MAX)
27d4fb96 857#else
99abf803 858# ifdef MAXUINT
859# define PERL_UINT_MAX ((unsigned int)MAXUINT)
27d4fb96 860# else
99abf803 861# define PERL_UINT_MAX (~(unsigned int)0)
27d4fb96 862# endif
863#endif
864
99abf803 865#define PERL_UINT_MIN ((unsigned int)0)
27d4fb96 866
867#ifdef INT_MAX
99abf803 868# define PERL_INT_MAX ((int)INT_MAX)
27d4fb96 869#else
870# ifdef MAXINT /* Often used in <values.h> */
99abf803 871# define PERL_INT_MAX ((int)MAXINT)
27d4fb96 872# else
99abf803 873# define PERL_INT_MAX ((int)(PERL_UINT_MAX >> 1))
27d4fb96 874# endif
875#endif
876
877#ifdef INT_MIN
99abf803 878# define PERL_INT_MIN ((int)INT_MIN)
27d4fb96 879#else
880# ifdef MININT
99abf803 881# define PERL_INT_MIN ((int)MININT)
27d4fb96 882# else
883# define PERL_INT_MIN (-PERL_INT_MAX - ((3 & -1) == 3))
884# endif
885#endif
886
99abf803 887#ifdef ULONG_MAX
888# define PERL_ULONG_MAX ((unsigned long)ULONG_MAX)
27d4fb96 889#else
99abf803 890# ifdef MAXULONG
891# define PERL_ULONG_MAX ((unsigned long)MAXULONG)
27d4fb96 892# else
99abf803 893# define PERL_ULONG_MAX (~(unsigned long)0)
27d4fb96 894# endif
895#endif
896
99abf803 897#define PERL_ULONG_MIN ((unsigned long)0L)
27d4fb96 898
760ac839 899#ifdef LONG_MAX
99abf803 900# define PERL_LONG_MAX ((long)LONG_MAX)
760ac839 901#else
902# ifdef MAXLONG /* Often used in <values.h> */
99abf803 903# define PERL_LONG_MAX ((long)MAXLONG)
760ac839 904# else
99abf803 905# define PERL_LONG_MAX ((long) (PERL_ULONG_MAX >> 1))
760ac839 906# endif
907#endif
908
909#ifdef LONG_MIN
99abf803 910# define PERL_LONG_MIN ((long)LONG_MIN)
760ac839 911#else
912# ifdef MINLONG
99abf803 913# define PERL_LONG_MIN ((long)MINLONG)
760ac839 914# else
27d4fb96 915# define PERL_LONG_MIN (-PERL_LONG_MAX - ((3 & -1) == 3))
760ac839 916# endif
917#endif
918
99abf803 919#ifdef HAS_QUAD
920
921# ifdef UQUAD_MAX
922# define PERL_UQUAD_MAX ((UV)UQUAD_MAX)
760ac839 923# else
99abf803 924# define PERL_UQUAD_MAX (~(UV)0)
760ac839 925# endif
760ac839 926
99abf803 927# define PERL_UQUAD_MIN ((UV)0)
27d4fb96 928
27d4fb96 929# ifdef QUAD_MAX
99abf803 930# define PERL_QUAD_MAX ((IV)QUAD_MAX)
27d4fb96 931# else
99abf803 932# define PERL_QUAD_MAX ((IV) (PERL_UQUAD_MAX >> 1))
27d4fb96 933# endif
934
935# ifdef QUAD_MIN
99abf803 936# define PERL_QUAD_MIN ((IV)QUAD_MIN)
27d4fb96 937# else
a6e633de 938# define PERL_QUAD_MIN (-PERL_QUAD_MAX - ((3 & -1) == 3))
27d4fb96 939# endif
940
79072805 941#endif
942
ee0007ab 943typedef MEM_SIZE STRLEN;
450a55e4 944
79072805 945typedef struct op OP;
946typedef struct cop COP;
947typedef struct unop UNOP;
948typedef struct binop BINOP;
949typedef struct listop LISTOP;
950typedef struct logop LOGOP;
951typedef struct condop CONDOP;
952typedef struct pmop PMOP;
953typedef struct svop SVOP;
954typedef struct gvop GVOP;
955typedef struct pvop PVOP;
79072805 956typedef struct loop LOOP;
957
958typedef struct Outrec Outrec;
93a17b20 959typedef struct interpreter PerlInterpreter;
3e3baf6d 960#ifndef __BORLANDC__
961typedef struct ff FF; /* XXX not defined anywhere, should go? */
962#endif
79072805 963typedef struct sv SV;
964typedef struct av AV;
965typedef struct hv HV;
966typedef struct cv CV;
378cc40b 967typedef struct regexp REGEXP;
79072805 968typedef struct gp GP;
0c30d9ec 969typedef struct gv GV;
8990e307 970typedef struct io IO;
c09156bb 971typedef struct context PERL_CONTEXT;
79072805 972typedef struct block BLOCK;
973
974typedef struct magic MAGIC;
ed6116ce 975typedef struct xrv XRV;
79072805 976typedef struct xpv XPV;
977typedef struct xpviv XPVIV;
ff68c719 978typedef struct xpvuv XPVUV;
79072805 979typedef struct xpvnv XPVNV;
980typedef struct xpvmg XPVMG;
981typedef struct xpvlv XPVLV;
982typedef struct xpvav XPVAV;
983typedef struct xpvhv XPVHV;
984typedef struct xpvgv XPVGV;
985typedef struct xpvcv XPVCV;
986typedef struct xpvbm XPVBM;
987typedef struct xpvfm XPVFM;
8990e307 988typedef struct xpvio XPVIO;
79072805 989typedef struct mgvtbl MGVTBL;
990typedef union any ANY;
8d063cd8 991
378cc40b 992#include "handy.h"
a0d0e21e 993
16d20bd9 994typedef I32 (*filter_t) _((int, SV *, int));
995#define FILTER_READ(idx, sv, len) filter_read(idx, sv, len)
996#define FILTER_DATA(idx) (AvARRAY(rsfp_filters)[idx])
93965878 997#define FILTER_ISREADER(idx) (idx >= AvFILLp(rsfp_filters))
16d20bd9 998
748a9306 999#ifdef DOSISH
4633a7c4 1000# if defined(OS2)
1001# include "os2ish.h"
1002# else
748a9306 1003# include "dosish.h"
4633a7c4 1004# endif
a0d0e21e 1005#else
748a9306 1006# if defined(VMS)
1007# include "vmsish.h"
1008# else
0c30d9ec 1009# if defined(PLAN9)
1010# include "./plan9/plan9ish.h"
1011# else
1012# include "unixish.h"
1013# endif
748a9306 1014# endif
32f822de 1015#endif
1016
ac4c12e7 1017#ifndef FUNC_NAME_TO_PTR
1018#define FUNC_NAME_TO_PTR(name) name
1019#endif
1020
32f822de 1021/*
dd96f567 1022 * USE_THREADS needs to be after unixish.h as <pthread.h> includes
1023 * <sys/signal.h> which defines NSIG - which will stop inclusion of <signal.h>
32f822de 1024 * this results in many functions being undeclared which bothers C++
1025 * May make sense to have threads after "*ish.h" anyway
1026 */
1027
1028#ifdef USE_THREADS
1029# ifdef FAKE_THREADS
1030# include "fakethr.h"
1031# else
1032# ifdef WIN32
1033# include <win32thread.h>
1034# else
dd96f567 1035# ifdef OS2
1036# include "os2thread.h"
1037# else
1038# include <pthread.h>
c6ee37c5 1039typedef pthread_t perl_os_thread;
32f822de 1040typedef pthread_mutex_t perl_mutex;
1041typedef pthread_cond_t perl_cond;
1042typedef pthread_key_t perl_key;
dd96f567 1043# endif /* OS2 */
32f822de 1044# endif /* WIN32 */
1045# endif /* FAKE_THREADS */
1046#endif /* USE_THREADS */
1047
1048
3fc1aec6 1049
68dc0745 1050#ifdef VMS
1051# define STATUS_NATIVE statusvalue_vms
1052# define STATUS_NATIVE_EXPORT \
1053 ((I32)statusvalue_vms == -1 ? 44 : statusvalue_vms)
1054# define STATUS_NATIVE_SET(n) \
1055 STMT_START { \
1056 statusvalue_vms = (n); \
1057 if ((I32)statusvalue_vms == -1) \
1058 statusvalue = -1; \
1059 else if (statusvalue_vms & STS$M_SUCCESS) \
1060 statusvalue = 0; \
1061 else if ((statusvalue_vms & STS$M_SEVERITY) == 0) \
1062 statusvalue = 1 << 8; \
1063 else \
1064 statusvalue = (statusvalue_vms & STS$M_SEVERITY) << 8; \
1065 } STMT_END
1066# define STATUS_POSIX statusvalue
1067# ifdef VMSISH_STATUS
1068# define STATUS_CURRENT (VMSISH_STATUS ? STATUS_NATIVE : STATUS_POSIX)
1069# else
1070# define STATUS_CURRENT STATUS_POSIX
1071# endif
1072# define STATUS_POSIX_SET(n) \
1073 STMT_START { \
1074 statusvalue = (n); \
1075 if (statusvalue != -1) { \
1076 statusvalue &= 0xFFFF; \
1077 statusvalue_vms = statusvalue ? 44 : 1; \
1078 } \
1079 else statusvalue_vms = -1; \
1080 } STMT_END
1081# define STATUS_ALL_SUCCESS (statusvalue = 0, statusvalue_vms = 1)
1082# define STATUS_ALL_FAILURE (statusvalue = 1, statusvalue_vms = 44)
1083#else
1084# define STATUS_NATIVE STATUS_POSIX
1085# define STATUS_NATIVE_EXPORT STATUS_POSIX
1086# define STATUS_NATIVE_SET STATUS_POSIX_SET
1087# define STATUS_POSIX statusvalue
1088# define STATUS_POSIX_SET(n) \
1089 STMT_START { \
1090 statusvalue = (n); \
1091 if (statusvalue != -1) \
1092 statusvalue &= 0xFFFF; \
1093 } STMT_END
1094# define STATUS_CURRENT STATUS_POSIX
1095# define STATUS_ALL_SUCCESS (statusvalue = 0)
1096# define STATUS_ALL_FAILURE (statusvalue = 1)
1097#endif
1098
3fc1aec6 1099/* Some unistd.h's give a prototype for pause() even though
1100 HAS_PAUSE ends up undefined. This causes the #define
1101 below to be rejected by the compmiler. Sigh.
1102*/
1103#ifdef HAS_PAUSE
1104#define Pause pause
1105#else
1106#define Pause() sleep((32767<<16)+32767)
748a9306 1107#endif
1108
1109#ifndef IOCPARM_LEN
1110# ifdef IOCPARM_MASK
1111 /* on BSDish systes we're safe */
1112# define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK)
1113# else
1114 /* otherwise guess at what's safe */
1115# define IOCPARM_LEN(x) 256
1116# endif
a0d0e21e 1117#endif
1118
79072805 1119union any {
1120 void* any_ptr;
1121 I32 any_i32;
a0d0e21e 1122 IV any_iv;
85e6fe83 1123 long any_long;
565764a8 1124 void (CPERLscope(*any_dptr)) _((void*));
79072805 1125};
1126
11343788 1127#ifdef USE_THREADS
52e1cb5e 1128#define ARGSproto struct perl_thread *thr
11343788 1129#else
1130#define ARGSproto void
1131#endif /* USE_THREADS */
1132
5aabfad6 1133/* Work around some cygwin32 problems with importing global symbols */
1134#if defined(CYGWIN32) && defined(DLLIMPORT)
1135# include "cw32imp.h"
1136#endif
1137
378cc40b 1138#include "regexp.h"
79072805 1139#include "sv.h"
378cc40b 1140#include "util.h"
8d063cd8 1141#include "form.h"
79072805 1142#include "gv.h"
1143#include "cv.h"
1144#include "opcode.h"
1145#include "op.h"
1146#include "cop.h"
1147#include "av.h"
1148#include "hv.h"
1149#include "mg.h"
1150#include "scope.h"
d613ef02 1151#include "bytecode.h"
1152#include "byterun.h"
8d063cd8 1153
7fae4e64 1154/* Current curly descriptor */
1155typedef struct curcur CURCUR;
1156struct curcur {
1157 int parenfloor; /* how far back to strip paren data */
1158 int cur; /* how many instances of scan we've matched */
1159 int min; /* the minimal number of scans to match */
1160 int max; /* the maximal number of scans to match */
1161 int minmod; /* whether to work our way up or down */
1162 regnode * scan; /* the thing to match */
1163 regnode * next; /* what has to match after it */
1164 char * lastloc; /* where we started matching this scan */
1165 CURCUR * oldcc; /* current curly before we started this one */
1166};
1167
1168typedef struct _sublex_info SUBLEXINFO;
1169struct _sublex_info {
1170 I32 super_state; /* lexer state to save */
1171 I32 sub_inwhat; /* "lex_inwhat" to use */
1172 OP *sub_op; /* "lex_op" to use */
1173};
1174
76e3520e 1175#ifdef PERL_OBJECT
1176struct magic_state {
1177 SV* mgs_sv;
1178 U32 mgs_flags;
1179};
1180typedef struct magic_state MGS;
1181
1182typedef struct {
1183 I32 len_min;
1184 I32 len_delta;
1185 I32 pos_min;
1186 I32 pos_delta;
1187 SV *last_found;
1188 I32 last_end; /* min value, <0 unless valid. */
1189 I32 last_start_min;
1190 I32 last_start_max;
1191 SV **longest; /* Either &l_fixed, or &l_float. */
1192 SV *longest_fixed;
1193 I32 offset_fixed;
1194 SV *longest_float;
1195 I32 offset_float_min;
1196 I32 offset_float_max;
1197 I32 flags;
1198} scan_data_t;
1199
1200typedef I32 CHECKPOINT;
1201#endif /* PERL_OBJECT */
1202
4633a7c4 1203/* work around some libPW problems */
1204#ifdef DOINIT
1205EXT char Error[1];
1206#endif
1207
450a55e4 1208#if defined(iAPX286) || defined(M_I286) || defined(I80286)
a687059c 1209# define I286
1210#endif
1211
fe14fcc3 1212#if defined(htonl) && !defined(HAS_HTONL)
1213#define HAS_HTONL
ae986130 1214#endif
fe14fcc3 1215#if defined(htons) && !defined(HAS_HTONS)
1216#define HAS_HTONS
ae986130 1217#endif
fe14fcc3 1218#if defined(ntohl) && !defined(HAS_NTOHL)
1219#define HAS_NTOHL
ae986130 1220#endif
fe14fcc3 1221#if defined(ntohs) && !defined(HAS_NTOHS)
1222#define HAS_NTOHS
ae986130 1223#endif
fe14fcc3 1224#ifndef HAS_HTONL
d9d8d8de 1225#if (BYTEORDER & 0xffff) != 0x4321
fe14fcc3 1226#define HAS_HTONS
1227#define HAS_HTONL
1228#define HAS_NTOHS
1229#define HAS_NTOHL
a687059c 1230#define MYSWAP
1231#define htons my_swap
1232#define htonl my_htonl
1233#define ntohs my_swap
1234#define ntohl my_ntohl
1235#endif
1236#else
d9d8d8de 1237#if (BYTEORDER & 0xffff) == 0x4321
fe14fcc3 1238#undef HAS_HTONS
1239#undef HAS_HTONL
1240#undef HAS_NTOHS
1241#undef HAS_NTOHL
a687059c 1242#endif
1243#endif
1244
988174c1 1245/*
1246 * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'.
1247 * -DWS
1248 */
1249#if BYTEORDER != 0x1234
1250# define HAS_VTOHL
1251# define HAS_VTOHS
1252# define HAS_HTOVL
1253# define HAS_HTOVS
1254# if BYTEORDER == 0x4321
1255# define vtohl(x) ((((x)&0xFF)<<24) \
1256 +(((x)>>24)&0xFF) \
1257 +(((x)&0x0000FF00)<<8) \
1258 +(((x)&0x00FF0000)>>8) )
1259# define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF))
1260# define htovl(x) vtohl(x)
1261# define htovs(x) vtohs(x)
1262# endif
1263 /* otherwise default to functions in util.c */
1264#endif
1265
0f85fab0 1266#ifdef CASTNEGFLOAT
79072805 1267#define U_S(what) ((U16)(what))
0f85fab0 1268#define U_I(what) ((unsigned int)(what))
79072805 1269#define U_L(what) ((U32)(what))
0f85fab0 1270#else
32f822de 1271EXTERN_C U32 cast_ulong _((double));
232e078e 1272#define U_S(what) ((U16)cast_ulong((double)(what)))
1273#define U_I(what) ((unsigned int)cast_ulong((double)(what)))
1274#define U_L(what) (cast_ulong((double)(what)))
ee0007ab 1275#endif
1276
ed6116ce 1277#ifdef CASTI32
1278#define I_32(what) ((I32)(what))
a0d0e21e 1279#define I_V(what) ((IV)(what))
5d94fbed 1280#define U_V(what) ((UV)(what))
ed6116ce 1281#else
32f822de 1282START_EXTERN_C
a0d0e21e 1283I32 cast_i32 _((double));
a0d0e21e 1284IV cast_iv _((double));
5d94fbed 1285UV cast_uv _((double));
32f822de 1286END_EXTERN_C
a6e633de 1287#define I_32(what) (cast_i32((double)(what)))
1288#define I_V(what) (cast_iv((double)(what)))
5d94fbed 1289#define U_V(what) (cast_uv((double)(what)))
ed6116ce 1290#endif
1291
79072805 1292struct Outrec {
1293 I32 o_lines;
d9d8d8de 1294 char *o_str;
79072805 1295 U32 o_len;
8d063cd8 1296};
1297
352d5a3a 1298#ifndef MAXSYSFD
1299# define MAXSYSFD 2
1300#endif
ee0007ab 1301
f82b3d41 1302#ifndef TMPPATH
1303# define TMPPATH "/tmp/perl-eXXXXXX"
a0d0e21e 1304#endif
79072805 1305
1306#ifndef __cplusplus
a0d0e21e 1307Uid_t getuid _((void));
1308Uid_t geteuid _((void));
1309Gid_t getgid _((void));
1310Gid_t getegid _((void));
79072805 1311#endif
8d063cd8 1312
1313#ifdef DEBUGGING
0c30d9ec 1314#ifndef Perl_debug_log
760ac839 1315#define Perl_debug_log PerlIO_stderr()
0c30d9ec 1316#endif
d96024cf 1317#define YYDEBUG 1
79072805 1318#define DEB(a) a
1319#define DEBUG(a) if (debug) a
1320#define DEBUG_p(a) if (debug & 1) a
1321#define DEBUG_s(a) if (debug & 2) a
1322#define DEBUG_l(a) if (debug & 4) a
1323#define DEBUG_t(a) if (debug & 8) a
1324#define DEBUG_o(a) if (debug & 16) a
1325#define DEBUG_c(a) if (debug & 32) a
1326#define DEBUG_P(a) if (debug & 64) a
0c30d9ec 1327#define DEBUG_m(a) if (curinterp && debug & 128) a
79072805 1328#define DEBUG_f(a) if (debug & 256) a
1329#define DEBUG_r(a) if (debug & 512) a
1330#define DEBUG_x(a) if (debug & 1024) a
1331#define DEBUG_u(a) if (debug & 2048) a
1332#define DEBUG_L(a) if (debug & 4096) a
1333#define DEBUG_H(a) if (debug & 8192) a
1334#define DEBUG_X(a) if (debug & 16384) a
8990e307 1335#define DEBUG_D(a) if (debug & 32768) a
79072805 1336#else
1337#define DEB(a)
1338#define DEBUG(a)
1339#define DEBUG_p(a)
1340#define DEBUG_s(a)
1341#define DEBUG_l(a)
1342#define DEBUG_t(a)
1343#define DEBUG_o(a)
1344#define DEBUG_c(a)
1345#define DEBUG_P(a)
1346#define DEBUG_m(a)
1347#define DEBUG_f(a)
1348#define DEBUG_r(a)
1349#define DEBUG_x(a)
1350#define DEBUG_u(a)
1351#define DEBUG_L(a)
1352#define DEBUG_H(a)
1353#define DEBUG_X(a)
8990e307 1354#define DEBUG_D(a)
8d063cd8 1355#endif
fe14fcc3 1356#define YYMAXDEPTH 300
8d063cd8 1357
a6e633de 1358#ifndef assert /* <assert.h> might have been included somehow */
79072805 1359#define assert(what) DEB( { \
1360 if (!(what)) { \
463ee0b2 1361 croak("Assertion failed: file \"%s\", line %d", \
79072805 1362 __FILE__, __LINE__); \
6ad3d225 1363 PerlProc_exit(1); \
79072805 1364 }})
a6e633de 1365#endif
8d063cd8 1366
450a55e4 1367struct ufuncs {
a0d0e21e 1368 I32 (*uf_val)_((IV, SV*));
1369 I32 (*uf_set)_((IV, SV*));
1370 IV uf_index;
450a55e4 1371};
1372
fe14fcc3 1373/* Fix these up for __STDC__ */
68dc0745 1374#ifndef DONT_DECLARE_STD
a0d0e21e 1375char *mktemp _((char*));
1376double atof _((const char*));
1377#endif
79072805 1378
352d5a3a 1379#ifndef STANDARD_C
fe14fcc3 1380/* All of these are in stdlib.h or time.h for ANSI C */
85e6fe83 1381Time_t time();
8d063cd8 1382struct tm *gmtime(), *localtime();
93a17b20 1383char *strchr(), *strrchr();
378cc40b 1384char *strcpy(), *strcat();
352d5a3a 1385#endif /* ! STANDARD_C */
8d063cd8 1386
79072805 1387
1388#ifdef I_MATH
1389# include <math.h>
1390#else
32f822de 1391START_EXTERN_C
a0d0e21e 1392 double exp _((double));
a0d0e21e 1393 double log _((double));
c635e13b 1394 double log10 _((double));
a0d0e21e 1395 double sqrt _((double));
c635e13b 1396 double frexp _((double,int*));
1397 double ldexp _((double,int));
a0d0e21e 1398 double modf _((double,double*));
1399 double sin _((double));
1400 double cos _((double));
1401 double atan2 _((double,double));
1402 double pow _((double,double));
32f822de 1403END_EXTERN_C
79072805 1404#endif
1405
a0d0e21e 1406#ifndef __cplusplus
26618a56 1407# ifdef __NeXT__ /* or whatever catches all NeXTs */
3fc1aec6 1408char *crypt (); /* Maybe more hosts will need the unprototyped version */
26618a56 1409# else
1410# if !defined(WIN32) || !defined(HAVE_DES_FCRYPT)
a0d0e21e 1411char *crypt _((const char*, const char*));
26618a56 1412# endif /* !WIN32 && !HAVE_CRYPT_SOURCE */
1413# endif /* !__NeXT__ */
1414# ifndef DONT_DECLARE_STD
1415# ifndef getenv
a0d0e21e 1416char *getenv _((const char*));
26618a56 1417# endif /* !getenv */
a0d0e21e 1418Off_t lseek _((int,Off_t,int));
26618a56 1419# endif /* !DONT_DECLARE_STD */
a0d0e21e 1420char *getlogin _((void));
26618a56 1421#endif /* !__cplusplus */
79072805 1422
16d20bd9 1423#ifdef UNLINK_ALL_VERSIONS /* Currently only makes sense for VMS */
378cc40b 1424#define UNLINK unlnk
a0d0e21e 1425I32 unlnk _((char*));
8d063cd8 1426#else
1427#define UNLINK unlink
1428#endif
a687059c 1429
fe14fcc3 1430#ifndef HAS_SETREUID
85e6fe83 1431# ifdef HAS_SETRESUID
1432# define setreuid(r,e) setresuid(r,e,(Uid_t)-1)
1433# define HAS_SETREUID
1434# endif
a687059c 1435#endif
fe14fcc3 1436#ifndef HAS_SETREGID
85e6fe83 1437# ifdef HAS_SETRESGID
1438# define setregid(r,e) setresgid(r,e,(Gid_t)-1)
1439# define HAS_SETREGID
1440# endif
a687059c 1441#endif
ee0007ab 1442
ff68c719 1443typedef Signal_t (*Sighandler_t) _((int));
1444
1445#ifdef HAS_SIGACTION
1446typedef struct sigaction Sigsave_t;
1447#else
1448typedef Sighandler_t Sigsave_t;
1449#endif
1450
ee0007ab 1451#define SCAN_DEF 0
1452#define SCAN_TR 1
1453#define SCAN_REPL 2
79072805 1454
1455#ifdef DEBUGGING
4633a7c4 1456# ifndef register
a0d0e21e 1457# define register
1458# endif
1459# define PAD_SV(po) pad_sv(po)
2ddcc7aa 1460# define RUNOPS_DEFAULT runops_debug
79072805 1461#else
a0d0e21e 1462# define PAD_SV(po) curpad[po]
2ddcc7aa 1463# define RUNOPS_DEFAULT runops_standard
79072805 1464#endif
1465
18f739ee 1466#ifdef MYMALLOC
1467# define MALLOC_INIT MUTEX_INIT(&malloc_mutex)
1468# define MALLOC_TERM MUTEX_DESTROY(&malloc_mutex)
1469#else
1470# define MALLOC_INIT
1471# define MALLOC_TERM
1472#endif
1473
b6d9d515 1474
44a0ac01 1475/*
1476 * These need prototyping here because <proto.h> isn't
1477 * included until after runops is initialised.
1478 */
1479
76e3520e 1480#ifndef PERL_OBJECT
49f531da 1481typedef int runops_proc_t _((void));
44a0ac01 1482int runops_standard _((void));
1483#ifdef DEBUGGING
1484int runops_debug _((void));
1485#endif
76e3520e 1486#endif /* PERL_OBJECT */
44a0ac01 1487
940cb80d 1488/* _ (for $_) must be first in the following list (DEFSV requires it) */
54b9620d 1489#define THREADSV_NAMES "_123456789&`'+/.,\\\";^-%=|~:\001\005!@"
a863c7d1 1490
0c30d9ec 1491/* VMS doesn't use environ array and NeXT has problems with crt0.o globals */
1492#if !defined(VMS) && !(defined(NeXT) && defined(__DYNAMIC__))
16de4a3e 1493#if !defined(DONT_DECLARE_STD) \
1494 || (defined(__svr4__) && defined(__GNUC__) && defined(sun)) \
1495 || defined(__sgi) || defined(__DGUX)
79072805 1496extern char ** environ; /* environment variables supplied via exec */
a0d0e21e 1497#endif
0c30d9ec 1498#else
1499# if defined(NeXT) && defined(__DYNAMIC__)
1500
1501# include <mach-o/dyld.h>
1502EXT char *** environ_pointer;
1503# define environ (*environ_pointer)
1504# endif
1505#endif /* environ processing */
1506
79072805 1507
1508/* for tmp use in stupid debuggers */
1509EXT int * di;
1510EXT short * ds;
1511EXT char * dc;
1512
1513/* handy constants */
3e3baf6d 1514EXTCONST char warn_uninit[]
a0d0e21e 1515 INIT("Use of uninitialized value");
3e3baf6d 1516EXTCONST char warn_nosemi[]
463ee0b2 1517 INIT("Semicolon seems to be missing");
3e3baf6d 1518EXTCONST char warn_reserved[]
463ee0b2 1519 INIT("Unquoted string \"%s\" may clash with future reserved word");
3e3baf6d 1520EXTCONST char warn_nl[]
93a17b20 1521 INIT("Unsuccessful %s on filename containing newline");
3e3baf6d 1522EXTCONST char no_wrongref[]
a0d0e21e 1523 INIT("Can't use %s ref as %s ref");
3e3baf6d 1524EXTCONST char no_symref[]
748a9306 1525 INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
3e3baf6d 1526EXTCONST char no_usym[]
8990e307 1527 INIT("Can't use an undefined value as %s reference");
3e3baf6d 1528EXTCONST char no_aelem[]
93a17b20 1529 INIT("Modification of non-creatable array value attempted, subscript %d");
3e3baf6d 1530EXTCONST char no_helem[]
93a17b20 1531 INIT("Modification of non-creatable hash value attempted, subscript \"%s\"");
3e3baf6d 1532EXTCONST char no_modify[]
93a17b20 1533 INIT("Modification of a read-only value attempted");
3e3baf6d 1534EXTCONST char no_mem[]
93a17b20 1535 INIT("Out of memory!\n");
3e3baf6d 1536EXTCONST char no_security[]
463ee0b2 1537 INIT("Insecure dependency in %s%s");
3e3baf6d 1538EXTCONST char no_sock_func[]
93a17b20 1539 INIT("Unsupported socket function \"%s\" called");
3e3baf6d 1540EXTCONST char no_dir_func[]
93a17b20 1541 INIT("Unsupported directory function \"%s\" called");
3e3baf6d 1542EXTCONST char no_func[]
93a17b20 1543 INIT("The %s function is unimplemented");
3e3baf6d 1544EXTCONST char no_myglob[]
748a9306 1545 INIT("\"my\" variable %s can't be in a package");
93a17b20 1546
79072805 1547#ifdef DOINIT
8e07c86e 1548EXT char *sig_name[] = { SIG_NAME };
1549EXT int sig_num[] = { SIG_NUM };
0c30d9ec 1550EXT SV * psig_ptr[sizeof(sig_num)/sizeof(*sig_num)];
1551EXT SV * psig_name[sizeof(sig_num)/sizeof(*sig_num)];
79072805 1552#else
1553EXT char *sig_name[];
8e07c86e 1554EXT int sig_num[];
0c30d9ec 1555EXT SV * psig_ptr[];
1556EXT SV * psig_name[];
79072805 1557#endif
1558
bbce6d69 1559/* fast case folding tables */
1560
79072805 1561#ifdef DOINIT
36477c24 1562EXTCONST unsigned char fold[] = {
79072805 1563 0, 1, 2, 3, 4, 5, 6, 7,
1564 8, 9, 10, 11, 12, 13, 14, 15,
1565 16, 17, 18, 19, 20, 21, 22, 23,
1566 24, 25, 26, 27, 28, 29, 30, 31,
1567 32, 33, 34, 35, 36, 37, 38, 39,
1568 40, 41, 42, 43, 44, 45, 46, 47,
1569 48, 49, 50, 51, 52, 53, 54, 55,
1570 56, 57, 58, 59, 60, 61, 62, 63,
1571 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1572 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1573 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1574 'x', 'y', 'z', 91, 92, 93, 94, 95,
1575 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1576 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1577 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1578 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1579 128, 129, 130, 131, 132, 133, 134, 135,
1580 136, 137, 138, 139, 140, 141, 142, 143,
1581 144, 145, 146, 147, 148, 149, 150, 151,
1582 152, 153, 154, 155, 156, 157, 158, 159,
1583 160, 161, 162, 163, 164, 165, 166, 167,
1584 168, 169, 170, 171, 172, 173, 174, 175,
1585 176, 177, 178, 179, 180, 181, 182, 183,
1586 184, 185, 186, 187, 188, 189, 190, 191,
1587 192, 193, 194, 195, 196, 197, 198, 199,
1588 200, 201, 202, 203, 204, 205, 206, 207,
1589 208, 209, 210, 211, 212, 213, 214, 215,
1590 216, 217, 218, 219, 220, 221, 222, 223,
1591 224, 225, 226, 227, 228, 229, 230, 231,
1592 232, 233, 234, 235, 236, 237, 238, 239,
1593 240, 241, 242, 243, 244, 245, 246, 247,
1594 248, 249, 250, 251, 252, 253, 254, 255
1595};
1596#else
71be2cbc 1597EXTCONST unsigned char fold[];
79072805 1598#endif
1599
1600#ifdef DOINIT
bbce6d69 1601EXT unsigned char fold_locale[] = {
79072805 1602 0, 1, 2, 3, 4, 5, 6, 7,
1603 8, 9, 10, 11, 12, 13, 14, 15,
1604 16, 17, 18, 19, 20, 21, 22, 23,
1605 24, 25, 26, 27, 28, 29, 30, 31,
1606 32, 33, 34, 35, 36, 37, 38, 39,
1607 40, 41, 42, 43, 44, 45, 46, 47,
1608 48, 49, 50, 51, 52, 53, 54, 55,
1609 56, 57, 58, 59, 60, 61, 62, 63,
1610 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g',
1611 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
1612 'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
1613 'x', 'y', 'z', 91, 92, 93, 94, 95,
1614 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G',
1615 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
1616 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
1617 'X', 'Y', 'Z', 123, 124, 125, 126, 127,
1618 128, 129, 130, 131, 132, 133, 134, 135,
1619 136, 137, 138, 139, 140, 141, 142, 143,
1620 144, 145, 146, 147, 148, 149, 150, 151,
1621 152, 153, 154, 155, 156, 157, 158, 159,
1622 160, 161, 162, 163, 164, 165, 166, 167,
1623 168, 169, 170, 171, 172, 173, 174, 175,
1624 176, 177, 178, 179, 180, 181, 182, 183,
1625 184, 185, 186, 187, 188, 189, 190, 191,
1626 192, 193, 194, 195, 196, 197, 198, 199,
1627 200, 201, 202, 203, 204, 205, 206, 207,
1628 208, 209, 210, 211, 212, 213, 214, 215,
1629 216, 217, 218, 219, 220, 221, 222, 223,
1630 224, 225, 226, 227, 228, 229, 230, 231,
1631 232, 233, 234, 235, 236, 237, 238, 239,
1632 240, 241, 242, 243, 244, 245, 246, 247,
1633 248, 249, 250, 251, 252, 253, 254, 255
1634};
1635#else
bbce6d69 1636EXT unsigned char fold_locale[];
79072805 1637#endif
1638
1639#ifdef DOINIT
71be2cbc 1640EXTCONST unsigned char freq[] = { /* letter frequencies for mixed English/C */
79072805 1641 1, 2, 84, 151, 154, 155, 156, 157,
1642 165, 246, 250, 3, 158, 7, 18, 29,
1643 40, 51, 62, 73, 85, 96, 107, 118,
1644 129, 140, 147, 148, 149, 150, 152, 153,
1645 255, 182, 224, 205, 174, 176, 180, 217,
1646 233, 232, 236, 187, 235, 228, 234, 226,
1647 222, 219, 211, 195, 188, 193, 185, 184,
1648 191, 183, 201, 229, 181, 220, 194, 162,
1649 163, 208, 186, 202, 200, 218, 198, 179,
1650 178, 214, 166, 170, 207, 199, 209, 206,
1651 204, 160, 212, 216, 215, 192, 175, 173,
1652 243, 172, 161, 190, 203, 189, 164, 230,
1653 167, 248, 227, 244, 242, 255, 241, 231,
1654 240, 253, 169, 210, 245, 237, 249, 247,
1655 239, 168, 252, 251, 254, 238, 223, 221,
1656 213, 225, 177, 197, 171, 196, 159, 4,
1657 5, 6, 8, 9, 10, 11, 12, 13,
1658 14, 15, 16, 17, 19, 20, 21, 22,
1659 23, 24, 25, 26, 27, 28, 30, 31,
1660 32, 33, 34, 35, 36, 37, 38, 39,
1661 41, 42, 43, 44, 45, 46, 47, 48,
1662 49, 50, 52, 53, 54, 55, 56, 57,
1663 58, 59, 60, 61, 63, 64, 65, 66,
1664 67, 68, 69, 70, 71, 72, 74, 75,
1665 76, 77, 78, 79, 80, 81, 82, 83,
1666 86, 87, 88, 89, 90, 91, 92, 93,
1667 94, 95, 97, 98, 99, 100, 101, 102,
1668 103, 104, 105, 106, 108, 109, 110, 111,
1669 112, 113, 114, 115, 116, 117, 119, 120,
1670 121, 122, 123, 124, 125, 126, 127, 128,
1671 130, 131, 132, 133, 134, 135, 136, 137,
1672 138, 139, 141, 142, 143, 144, 145, 146
1673};
1674#else
71be2cbc 1675EXTCONST unsigned char freq[];
79072805 1676#endif
1677
8990e307 1678#ifdef DEBUGGING
1679#ifdef DOINIT
71be2cbc 1680EXTCONST char* block_type[] = {
8990e307 1681 "NULL",
1682 "SUB",
1683 "EVAL",
1684 "LOOP",
1685 "SUBST",
1686 "BLOCK",
1687};
1688#else
71be2cbc 1689EXTCONST char* block_type[];
8990e307 1690#endif
1691#endif
1692
79072805 1693/*****************************************************************************/
1694/* This lexer/parser stuff is currently global since yacc is hard to reenter */
1695/*****************************************************************************/
8990e307 1696/* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */
79072805 1697
a0d0e21e 1698#include "perly.h"
1699
fb73857a 1700#define LEX_NOTPARSING 11 /* borrowed from toke.c */
1701
79072805 1702typedef enum {
1703 XOPERATOR,
1704 XTERM,
79072805 1705 XREF,
8990e307 1706 XSTATE,
a0d0e21e 1707 XBLOCK,
1708 XTERMBLOCK
79072805 1709} expectation;
1710
85e6fe83 1711
1712 /* Note: the lowest 8 bits are reserved for
1713 stuffing into op->op_private */
1714#define HINT_INTEGER 0x00000001
1715#define HINT_STRICT_REFS 0x00000002
1716
1717#define HINT_BLOCK_SCOPE 0x00000100
1718#define HINT_STRICT_SUBS 0x00000200
1719#define HINT_STRICT_VARS 0x00000400
bbce6d69 1720#define HINT_LOCALE 0x00000800
85e6fe83 1721
d4cce5f1 1722/* Various states of an input record separator SV (rs, nrs) */
1723#define RsSNARF(sv) (! SvOK(sv))
1724#define RsSIMPLE(sv) (SvOK(sv) && SvCUR(sv))
1725#define RsPARA(sv) (SvOK(sv) && ! SvCUR(sv))
79072805 1726
22239a37 1727/* Set up PERLVAR macros for populating structs */
1728#define PERLVAR(var,type) type var;
1729#define PERLVARI(var,type,init) type var;
3fe35a81 1730#define PERLVARIC(var,type,init) type var;
22239a37 1731
76e3520e 1732#ifdef PERL_OBJECT
1733extern "C" CPerlObj* perl_alloc _((IPerlMem*, IPerlEnv*, IPerlStdIO*, IPerlLIO*, IPerlDir*, IPerlSock*, IPerlProc*));
1734
1735typedef int (CPerlObj::*runops_proc_t) _((void));
1736#undef EXT
1737#define EXT
1738#undef EXTCONST
1739#define EXTCONST
1740#undef INIT
1741#define INIT(x)
1742
1743class CPerlObj {
1744public:
1745 CPerlObj(IPerlMem*, IPerlEnv*, IPerlStdIO*, IPerlLIO*, IPerlDir*, IPerlSock*, IPerlProc*);
1746 void Init(void);
1747 void* operator new(size_t nSize, IPerlMem *pvtbl);
1748#endif /* PERL_OBJECT */
1749
22239a37 1750#ifdef PERL_GLOBAL_STRUCT
1751struct perl_vars {
1752#include "perlvars.h"
1753};
1754
1755#ifdef PERL_CORE
1756EXT struct perl_vars Perl_Vars;
1757EXT struct perl_vars *Perl_VarsPtr INIT(&Perl_Vars);
1758#else
1759#if !defined(__GNUC__) || !defined(WIN32)
1760EXT
1761#endif
1762struct perl_vars *Perl_VarsPtr;
1763#define Perl_Vars (*((Perl_VarsPtr) ? Perl_VarsPtr : (Perl_VarsPtr = Perl_GetVars())))
1764#endif
1765#endif /* PERL_GLOBAL_STRUCT */
1766
8990e307 1767#ifdef MULTIPLICITY
d4cce5f1 1768/* If we have multiple interpreters define a struct
1769 holding variables which must be per-interpreter
1770 If we don't have threads anything that would have
1771 be per-thread is per-interpreter.
1772*/
1773
79072805 1774struct interpreter {
d4cce5f1 1775#ifndef USE_THREADS
1776#include "thrdvar.h"
1777#endif
1778#include "intrpvar.h"
49f531da 1779};
d4cce5f1 1780
79072805 1781#else
49f531da 1782struct interpreter {
1783 char broiled;
1784};
79072805 1785#endif
1786
d4cce5f1 1787#ifdef USE_THREADS
1788/* If we have threads define a struct with all the variables
1789 * that have to be per-thread
49f531da 1790 */
8023c3ce 1791
79072805 1792
49f531da 1793struct perl_thread {
49f531da 1794#include "thrdvar.h"
79072805 1795};
d4cce5f1 1796
22fae026 1797typedef struct perl_thread *Thread;
1798
1799#else
1800typedef void *Thread;
22239a37 1801#endif
1802
1803/* Done with PERLVAR macros for now ... */
d4cce5f1 1804#undef PERLVAR
1805#undef PERLVARI
3fe35a81 1806#undef PERLVARIC
79072805 1807
22239a37 1808#include "thread.h"
79072805 1809#include "pp.h"
79072805 1810#include "proto.h"
1811
a0d0e21e 1812#ifdef EMBED
1813#define Perl_sv_setptrobj(rv,ptr,name) Perl_sv_setref_iv(rv,name,(IV)ptr)
1814#define Perl_sv_setptrref(rv,ptr) Perl_sv_setref_iv(rv,Nullch,(IV)ptr)
1815#else
1816#define sv_setptrobj(rv,ptr,name) sv_setref_iv(rv,name,(IV)ptr)
1817#define sv_setptrref(rv,ptr) sv_setref_iv(rv,Nullch,(IV)ptr)
1818#endif
1819
d4cce5f1 1820/* The following must follow proto.h as #defines mess up syntax */
1821
1822#include "embedvar.h"
1823
1824/* Now include all the 'global' variables
1825 * If we don't have threads or multiple interpreters
1826 * these include variables that would have been their struct-s
1827 */
1828
1829#define PERLVAR(var,type) EXT type var;
1830#define PERLVARI(var,type,init) EXT type var INIT(init);
3fe35a81 1831#define PERLVARIC(var,type,init) EXTCONST type var INIT(init);
d4cce5f1 1832
22239a37 1833#ifndef PERL_GLOBAL_STRUCT
d4cce5f1 1834#include "perlvars.h"
22239a37 1835#endif
d4cce5f1 1836
1837#ifndef MULTIPLICITY
d4cce5f1 1838
1839#ifndef USE_THREADS
1840#include "thrdvar.h"
1841#endif
1842
22239a37 1843#include "intrpvar.h"
1844#endif
1845
76e3520e 1846#ifdef PERL_OBJECT
76e3520e 1847};
1848
1849#include "objpp.h"
1850#ifdef DOINIT
1851#include "INTERN.h"
1852#else
1853#include "EXTERN.h"
1854#endif
1855#endif /* PERL_OBJECT */
1856
22239a37 1857
d4cce5f1 1858#undef PERLVAR
1859#undef PERLVARI
0f3f18a6 1860#undef PERLVARIC
79072805 1861
a835ef8a 1862#if defined(HASATTRIBUTE) && defined(WIN32)
1863/*
1864 * This provides a layer of functions and macros to ensure extensions will
1865 * get to use the same RTL functions as the core.
1866 * It has to go here or #define of printf messes up __attribute__
1867 * stuff in proto.h
1868 */
76e3520e 1869#ifndef PERL_OBJECT
a835ef8a 1870# include <win32iop.h>
76e3520e 1871#endif /* PERL_OBJECT */
a835ef8a 1872#endif /* WIN32 */
1873
79072805 1874#ifdef DOINIT
bbce6d69 1875
4633a7c4 1876EXT MGVTBL vtbl_sv = {magic_get,
463ee0b2 1877 magic_set,
1878 magic_len,
1879 0, 0};
fb73857a 1880EXT MGVTBL vtbl_env = {0, magic_set_all_env,
1881 0, magic_clear_all_env,
66b1d557 1882 0};
4633a7c4 1883EXT MGVTBL vtbl_envelem = {0, magic_setenv,
85e6fe83 1884 0, magic_clearenv,
1885 0};
4633a7c4 1886EXT MGVTBL vtbl_sig = {0, 0, 0, 0, 0};
0c30d9ec 1887EXT MGVTBL vtbl_sigelem = {magic_getsig,
1888 magic_setsig,
1889 0, magic_clearsig,
1890 0};
93965878 1891EXT MGVTBL vtbl_pack = {0, 0, magic_sizepack, magic_wipepack,
a0d0e21e 1892 0};
4633a7c4 1893EXT MGVTBL vtbl_packelem = {magic_getpack,
463ee0b2 1894 magic_setpack,
1895 0, magic_clearpack,
1896 0};
4633a7c4 1897EXT MGVTBL vtbl_dbline = {0, magic_setdbline,
463ee0b2 1898 0, 0, 0};
4633a7c4 1899EXT MGVTBL vtbl_isa = {0, magic_setisa,
fb73857a 1900 0, magic_setisa,
1901 0};
4633a7c4 1902EXT MGVTBL vtbl_isaelem = {0, magic_setisa,
463ee0b2 1903 0, 0, 0};
4633a7c4 1904EXT MGVTBL vtbl_arylen = {magic_getarylen,
463ee0b2 1905 magic_setarylen,
1906 0, 0, 0};
4633a7c4 1907EXT MGVTBL vtbl_glob = {magic_getglob,
463ee0b2 1908 magic_setglob,
1909 0, 0, 0};
4633a7c4 1910EXT MGVTBL vtbl_mglob = {0, magic_setmglob,
463ee0b2 1911 0, 0, 0};
99abf803 1912EXT MGVTBL vtbl_nkeys = {0, magic_setnkeys,
1913 0, 0, 0};
4633a7c4 1914EXT MGVTBL vtbl_taint = {magic_gettaint,magic_settaint,
463ee0b2 1915 0, 0, 0};
4633a7c4 1916EXT MGVTBL vtbl_substr = {0, magic_setsubstr,
463ee0b2 1917 0, 0, 0};
4633a7c4 1918EXT MGVTBL vtbl_vec = {0, magic_setvec,
463ee0b2 1919 0, 0, 0};
4633a7c4 1920EXT MGVTBL vtbl_pos = {magic_getpos,
a0d0e21e 1921 magic_setpos,
1922 0, 0, 0};
4633a7c4 1923EXT MGVTBL vtbl_bm = {0, magic_setbm,
463ee0b2 1924 0, 0, 0};
55497cff 1925EXT MGVTBL vtbl_fm = {0, magic_setfm,
1926 0, 0, 0};
4633a7c4 1927EXT MGVTBL vtbl_uvar = {magic_getuvar,
463ee0b2 1928 magic_setuvar,
1929 0, 0, 0};
f93b4edd 1930#ifdef USE_THREADS
1931EXT MGVTBL vtbl_mutex = {0, 0, 0, 0, magic_mutexfree};
1932#endif /* USE_THREADS */
68dc0745 1933EXT MGVTBL vtbl_defelem = {magic_getdefelem,magic_setdefelem,
1934 0, 0, magic_freedefelem};
a0d0e21e 1935
c277df42 1936EXT MGVTBL vtbl_regexp = {0,0,0,0, magic_freeregexp};
1937
36477c24 1938#ifdef USE_LOCALE_COLLATE
bbce6d69 1939EXT MGVTBL vtbl_collxfrm = {0,
1940 magic_setcollxfrm,
1941 0, 0, 0};
1942#endif
a0d0e21e 1943
1944#ifdef OVERLOAD
4633a7c4 1945EXT MGVTBL vtbl_amagic = {0, magic_setamagic,
748a9306 1946 0, 0, magic_setamagic};
4633a7c4 1947EXT MGVTBL vtbl_amagicelem = {0, magic_setamagic,
748a9306 1948 0, 0, magic_setamagic};
a0d0e21e 1949#endif /* OVERLOAD */
1950
bbce6d69 1951#else /* !DOINIT */
1952
79072805 1953EXT MGVTBL vtbl_sv;
1954EXT MGVTBL vtbl_env;
1955EXT MGVTBL vtbl_envelem;
1956EXT MGVTBL vtbl_sig;
1957EXT MGVTBL vtbl_sigelem;
463ee0b2 1958EXT MGVTBL vtbl_pack;
1959EXT MGVTBL vtbl_packelem;
79072805 1960EXT MGVTBL vtbl_dbline;
463ee0b2 1961EXT MGVTBL vtbl_isa;
1962EXT MGVTBL vtbl_isaelem;
79072805 1963EXT MGVTBL vtbl_arylen;
1964EXT MGVTBL vtbl_glob;
93a17b20 1965EXT MGVTBL vtbl_mglob;
99abf803 1966EXT MGVTBL vtbl_nkeys;
463ee0b2 1967EXT MGVTBL vtbl_taint;
79072805 1968EXT MGVTBL vtbl_substr;
1969EXT MGVTBL vtbl_vec;
a0d0e21e 1970EXT MGVTBL vtbl_pos;
79072805 1971EXT MGVTBL vtbl_bm;
55497cff 1972EXT MGVTBL vtbl_fm;
79072805 1973EXT MGVTBL vtbl_uvar;
a0d0e21e 1974
f93b4edd 1975#ifdef USE_THREADS
1976EXT MGVTBL vtbl_mutex;
1977#endif /* USE_THREADS */
1978
68dc0745 1979EXT MGVTBL vtbl_defelem;
c277df42 1980EXT MGVTBL vtbl_regexp;
a0d0e21e 1981
36477c24 1982#ifdef USE_LOCALE_COLLATE
bbce6d69 1983EXT MGVTBL vtbl_collxfrm;
1984#endif
a0d0e21e 1985
1986#ifdef OVERLOAD
1987EXT MGVTBL vtbl_amagic;
1988EXT MGVTBL vtbl_amagicelem;
1989#endif /* OVERLOAD */
1990
bbce6d69 1991#endif /* !DOINIT */
85e6fe83 1992
a0d0e21e 1993#ifdef OVERLOAD
c0315cdf 1994
a6006777 1995#define NofAMmeth 58
a0d0e21e 1996#ifdef DOINIT
a6006777 1997EXTCONST char * AMG_names[NofAMmeth] = {
1998 "fallback", "abs", /* "fallback" should be the first. */
1999 "bool", "nomethod",
2000 "\"\"", "0+",
2001 "+", "+=",
2002 "-", "-=",
2003 "*", "*=",
2004 "/", "/=",
2005 "%", "%=",
2006 "**", "**=",
2007 "<<", "<<=",
2008 ">>", ">>=",
2009 "&", "&=",
2010 "|", "|=",
2011 "^", "^=",
2012 "<", "<=",
2013 ">", ">=",
2014 "==", "!=",
2015 "<=>", "cmp",
2016 "lt", "le",
2017 "gt", "ge",
2018 "eq", "ne",
2019 "!", "~",
2020 "++", "--",
2021 "atan2", "cos",
2022 "sin", "exp",
2023 "log", "sqrt",
2024 "x", "x=",
2025 ".", ".=",
2026 "=", "neg"
a0d0e21e 2027};
2028#else
a6006777 2029EXTCONST char * AMG_names[NofAMmeth];
a0d0e21e 2030#endif /* def INITAMAGIC */
2031
a6006777 2032struct am_table {
a0d0e21e 2033 long was_ok_sub;
2034 long was_ok_am;
a6006777 2035 U32 flags;
2036 CV* table[NofAMmeth];
a0d0e21e 2037 long fallback;
2038};
a6006777 2039struct am_table_short {
2040 long was_ok_sub;
2041 long was_ok_am;
2042 U32 flags;
2043};
a0d0e21e 2044typedef struct am_table AMT;
a6006777 2045typedef struct am_table_short AMTS;
a0d0e21e 2046
2047#define AMGfallNEVER 1
2048#define AMGfallNO 2
2049#define AMGfallYES 3
2050
a6006777 2051#define AMTf_AMAGIC 1
2052#define AMT_AMAGIC(amt) ((amt)->flags & AMTf_AMAGIC)
2053#define AMT_AMAGIC_on(amt) ((amt)->flags |= AMTf_AMAGIC)
2054#define AMT_AMAGIC_off(amt) ((amt)->flags &= ~AMTf_AMAGIC)
2055
a0d0e21e 2056enum {
2057 fallback_amg, abs_amg,
2058 bool__amg, nomethod_amg,
2059 string_amg, numer_amg,
2060 add_amg, add_ass_amg,
2061 subtr_amg, subtr_ass_amg,
2062 mult_amg, mult_ass_amg,
2063 div_amg, div_ass_amg,
76e3520e 2064 modulo_amg, modulo_ass_amg,
a0d0e21e 2065 pow_amg, pow_ass_amg,
2066 lshift_amg, lshift_ass_amg,
2067 rshift_amg, rshift_ass_amg,
748a9306 2068 band_amg, band_ass_amg,
2069 bor_amg, bor_ass_amg,
2070 bxor_amg, bxor_ass_amg,
a0d0e21e 2071 lt_amg, le_amg,
2072 gt_amg, ge_amg,
2073 eq_amg, ne_amg,
2074 ncmp_amg, scmp_amg,
2075 slt_amg, sle_amg,
2076 sgt_amg, sge_amg,
2077 seq_amg, sne_amg,
a0d0e21e 2078 not_amg, compl_amg,
2079 inc_amg, dec_amg,
2080 atan2_amg, cos_amg,
2081 sin_amg, exp_amg,
2082 log_amg, sqrt_amg,
2083 repeat_amg, repeat_ass_amg,
748a9306 2084 concat_amg, concat_ass_amg,
2085 copy_amg, neg_amg
a0d0e21e 2086};
c0315cdf 2087
2088/*
2089 * some compilers like to redefine cos et alia as faster
2090 * (and less accurate?) versions called F_cos et cetera (Quidquid
2091 * latine dictum sit, altum viditur.) This trick collides with
2092 * the Perl overloading (amg). The following #defines fool both.
2093 */
2094
2095#ifdef _FASTMATH
2096# ifdef atan2
2097# define F_atan2_amg atan2_amg
2098# endif
2099# ifdef cos
2100# define F_cos_amg cos_amg
2101# endif
2102# ifdef exp
2103# define F_exp_amg exp_amg
2104# endif
2105# ifdef log
2106# define F_log_amg log_amg
2107# endif
2108# ifdef pow
2109# define F_pow_amg pow_amg
2110# endif
2111# ifdef sin
2112# define F_sin_amg sin_amg
2113# endif
2114# ifdef sqrt
2115# define F_sqrt_amg sqrt_amg
2116# endif
2117#endif /* _FASTMATH */
2118
a0d0e21e 2119#endif /* OVERLOAD */
2120
84902520 2121#define PERLDB_ALL 0xff
2122#define PERLDBf_SUB 0x01 /* Debug sub enter/exit. */
2123#define PERLDBf_LINE 0x02 /* Keep line #. */
2124#define PERLDBf_NOOPT 0x04 /* Switch off optimizations. */
2125#define PERLDBf_INTER 0x08 /* Preserve more data for
2126 later inspections. */
2127#define PERLDBf_SUBLINE 0x10 /* Keep subr source lines. */
2128#define PERLDBf_SINGLE 0x20 /* Start with single-step on. */
2129
2130#define PERLDB_SUB (perldb && (perldb & PERLDBf_SUB))
2131#define PERLDB_LINE (perldb && (perldb & PERLDBf_LINE))
2132#define PERLDB_NOOPT (perldb && (perldb & PERLDBf_NOOPT))
2133#define PERLDB_INTER (perldb && (perldb & PERLDBf_INTER))
2134#define PERLDB_SUBLINE (perldb && (perldb & PERLDBf_SUBLINE))
2135#define PERLDB_SINGLE (perldb && (perldb & PERLDBf_SINGLE))
2136
bbce6d69 2137
36477c24 2138#ifdef USE_LOCALE_NUMERIC
bbce6d69 2139
36477c24 2140#define SET_NUMERIC_STANDARD() \
2141 STMT_START { \
2142 if (! numeric_standard) \
2143 perl_set_numeric_standard(); \
2144 } STMT_END
2145
2146#define SET_NUMERIC_LOCAL() \
2147 STMT_START { \
2148 if (! numeric_local) \
2149 perl_set_numeric_local(); \
2150 } STMT_END
bbce6d69 2151
36477c24 2152#else /* !USE_LOCALE_NUMERIC */
bbce6d69 2153
36477c24 2154#define SET_NUMERIC_STANDARD() /**/
2155#define SET_NUMERIC_LOCAL() /**/
bbce6d69 2156
36477c24 2157#endif /* !USE_LOCALE_NUMERIC */
a0d0e21e 2158
760ac839 2159#if !defined(PERLIO_IS_STDIO) && defined(HAS_ATTRIBUTE)
2160/*
2161 * Now we have __attribute__ out of the way
2162 * Remap printf
2163 */
2164#define printf PerlIO_stdoutf
2165#endif
2166
a868473f 2167#ifndef PERL_SCRIPT_MODE
2168#define PERL_SCRIPT_MODE "r"
2169#endif
2170
fba3b22e 2171/*
2172 * nice_chunk and nice_chunk size need to be set
2173 * and queried under the protection of sv_mutex
2174 */
2175#define offer_nice_chunk(chunk, chunk_size) do { \
940cb80d 2176 LOCK_SV_MUTEX; \
fba3b22e 2177 if (!nice_chunk) { \
2178 nice_chunk = (char*)(chunk); \
2179 nice_chunk_size = (chunk_size); \
2180 } \
940cb80d 2181 UNLOCK_SV_MUTEX; \
fba3b22e 2182 } while (0)
2183
49f531da 2184
85e6fe83 2185#endif /* Include guard */
a6e633de 2186
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