1
2 /* ppport.h -- Perl/Pollution/Portability Version 2.011
3 *
4 * Automatically Created by Devel::PPPort on Fri Feb 25 09:38:30 2005
5 *
6 * Do NOT edit this file directly! -- Edit PPPort.pm instead.
7 *
8 * Version 2.x, Copyright (C) 2001, Paul Marquess.
9 * Version 1.x, Copyright (C) 1999, Kenneth Albanowski.
10 * This code may be used and distributed under the same license as any
11 * version of Perl.
12 *
13 * This version of ppport.h is designed to support operation with Perl
14 * installations back to 5.004, and has been tested up to 5.8.1.
15 *
16 * If this version of ppport.h is failing during the compilation of this
17 * module, please check if a newer version of Devel::PPPort is available
18 * on CPAN before sending a bug report.
19 *
20 * If you are using the latest version of Devel::PPPort and it is failing
21 * during compilation of this module, please send a report to perlbug@perl.com
22 *
23 * Include all following information:
24 *
25 * 1. The complete output from running "perl -V"
26 *
27 * 2. This file.
28 *
29 * 3. The name & version of the module you were trying to build.
30 *
31 * 4. A full log of the build that failed.
32 *
33 * 5. Any other information that you think could be relevant.
34 *
35 *
36 * For the latest version of this code, please retreive the Devel::PPPort
37 * module from CPAN.
38 *
39 */
40
41 /*
42 * In order for a Perl extension module to be as portable as possible
43 * across differing versions of Perl itself, certain steps need to be taken.
44 * Including this header is the first major one, then using dTHR is all the
45 * appropriate places and using a PL_ prefix to refer to global Perl
46 * variables is the second.
47 *
48 */
49
50
51 /* If you use one of a few functions that were not present in earlier
52 * versions of Perl, please add a define before the inclusion of ppport.h
53 * for a static include, or use the GLOBAL request in a single module to
54 * produce a global definition that can be referenced from the other
55 * modules.
56 *
57 * Function: Static define: Extern define:
58 * newCONSTSUB() NEED_newCONSTSUB NEED_newCONSTSUB_GLOBAL
59 *
60 */
61
62
63 /* To verify whether ppport.h is needed for your module, and whether any
64 * special defines should be used, ppport.h can be run through Perl to check
65 * your source code. Simply say:
66 *
67 * perl -x ppport.h *.c *.h *.xs foo/bar*.c [etc]
68 *
69 * The result will be a list of patches suggesting changes that should at
70 * least be acceptable, if not necessarily the most efficient solution, or a
71 * fix for all possible problems. It won't catch where dTHR is needed, and
72 * doesn't attempt to account for global macro or function definitions,
73 * nested includes, typemaps, etc.
74 *
75 * In order to test for the need of dTHR, please try your module under a
76 * recent version of Perl that has threading compiled-in.
77 *
78 */
79
80
81 /*
82 #!/usr/bin/perl
83 @ARGV = ("*.xs") if !@ARGV;
84 %badmacros = %funcs = %macros = (); $replace = 0;
85 foreach (<DATA>) {
86 $funcs{$1} = 1 if /Provide:\s+(\S+)/;
87 $macros{$1} = 1 if /^#\s*define\s+([a-zA-Z0-9_]+)/;
88 $replace = $1 if /Replace:\s+(\d+)/;
89 $badmacros{$2}=$1 if $replace and /^#\s*define\s+([a-zA-Z0-9_]+).*?\s+([a-zA-Z0-9_]+)/;
90 $badmacros{$1}=$2 if /Replace (\S+) with (\S+)/;
91 }
92 foreach $filename (map(glob($_),@ARGV)) {
93 unless (open(IN, "<$filename")) {
94 warn "Unable to read from $file: $!\n";
95 next;
96 }
97 print "Scanning $filename...\n";
98 $c = ""; while (<IN>) { $c .= $_; } close(IN);
99 $need_include = 0; %add_func = (); $changes = 0;
100 $has_include = ($c =~ /#.*include.*ppport/m);
101
102 foreach $func (keys %funcs) {
103 if ($c =~ /#.*define.*\bNEED_$func(_GLOBAL)?\b/m) {
104 if ($c !~ /\b$func\b/m) {
105 print "If $func isn't needed, you don't need to request it.\n" if
106 $changes += ($c =~ s/^.*#.*define.*\bNEED_$func\b.*\n//m);
107 } else {
108 print "Uses $func\n";
109 $need_include = 1;
110 }
111 } else {
112 if ($c =~ /\b$func\b/m) {
113 $add_func{$func} =1 ;
114 print "Uses $func\n";
115 $need_include = 1;
116 }
117 }
118 }
119
120 if (not $need_include) {
121 foreach $macro (keys %macros) {
122 if ($c =~ /\b$macro\b/m) {
123 print "Uses $macro\n";
124 $need_include = 1;
125 }
126 }
127 }
128
129 foreach $badmacro (keys %badmacros) {
130 if ($c =~ /\b$badmacro\b/m) {
131 $changes += ($c =~ s/\b$badmacro\b/$badmacros{$badmacro}/gm);
132 print "Uses $badmacros{$badmacro} (instead of $badmacro)\n";
133 $need_include = 1;
134 }
135 }
136
137 if (scalar(keys %add_func) or $need_include != $has_include) {
138 if (!$has_include) {
139 $inc = join('',map("#define NEED_$_\n", sort keys %add_func)).
140 "#include \"ppport.h\"\n";
141 $c = "$inc$c" unless $c =~ s/#.*include.*XSUB.*\n/$&$inc/m;
142 } elsif (keys %add_func) {
143 $inc = join('',map("#define NEED_$_\n", sort keys %add_func));
144 $c = "$inc$c" unless $c =~ s/^.*#.*include.*ppport.*$/$inc$&/m;
145 }
146 if (!$need_include) {
147 print "Doesn't seem to need ppport.h.\n";
148 $c =~ s/^.*#.*include.*ppport.*\n//m;
149 }
150 $changes++;
151 }
152
153 if ($changes) {
154 open(OUT,">/tmp/ppport.h.$$");
155 print OUT $c;
156 close(OUT);
157 open(DIFF, "diff -u $filename /tmp/ppport.h.$$|");
158 while (<DIFF>) { s!/tmp/ppport\.h\.$$!$filename.patched!; print STDOUT; }
159 close(DIFF);
160 unlink("/tmp/ppport.h.$$");
161 } else {
162 print "Looks OK\n";
163 }
164 }
165 __DATA__
166 */
167
168 #ifndef _P_P_PORTABILITY_H_
169 #define _P_P_PORTABILITY_H_
170
171 #ifndef PERL_REVISION
172 # ifndef __PATCHLEVEL_H_INCLUDED__
173 # define PERL_PATCHLEVEL_H_IMPLICIT
174 # include <patchlevel.h>
175 # endif
176 # if !(defined(PERL_VERSION) || (defined(SUBVERSION) && defined(PATCHLEVEL)))
177 # include <could_not_find_Perl_patchlevel.h>
178 # endif
179 # ifndef PERL_REVISION
180 # define PERL_REVISION (5)
181 /* Replace: 1 */
182 # define PERL_VERSION PATCHLEVEL
183 # define PERL_SUBVERSION SUBVERSION
184 /* Replace PERL_PATCHLEVEL with PERL_VERSION */
185 /* Replace: 0 */
186 # endif
187 #endif
188
189 #define PERL_BCDVERSION ((PERL_REVISION * 0x1000000L) + (PERL_VERSION * 0x1000L) + PERL_SUBVERSION)
190
191 /* It is very unlikely that anyone will try to use this with Perl 6
192 (or greater), but who knows.
193 */
194 #if PERL_REVISION != 5
195 # error ppport.h only works with Perl version 5
196 #endif /* PERL_REVISION != 5 */
197
198 #ifndef ERRSV
199 # define ERRSV perl_get_sv("@",FALSE)
200 #endif
201
202 #if (PERL_VERSION < 4) || ((PERL_VERSION == 4) && (PERL_SUBVERSION <= 5))
203 /* Replace: 1 */
204 # define PL_Sv Sv
205 # define PL_compiling compiling
206 # define PL_copline copline
207 # define PL_curcop curcop
208 # define PL_curstash curstash
209 # define PL_defgv defgv
210 # define PL_dirty dirty
211 # define PL_dowarn dowarn
212 # define PL_hints hints
213 # define PL_na na
214 # define PL_perldb perldb
215 # define PL_rsfp_filters rsfp_filters
216 # define PL_rsfpv rsfp
217 # define PL_stdingv stdingv
218 # define PL_sv_no sv_no
219 # define PL_sv_undef sv_undef
220 # define PL_sv_yes sv_yes
221 /* Replace: 0 */
222 #endif
223
224 #ifdef HASATTRIBUTE
225 # if (defined(__GNUC__) && defined(__cplusplus)) || defined(__INTEL_COMPILER)
226 # define PERL_UNUSED_DECL
227 # else
228 # define PERL_UNUSED_DECL __attribute__((unused))
229 # endif
230 #else
231 # define PERL_UNUSED_DECL
232 #endif
233
234 #ifndef dNOOP
235 # define NOOP (void)0
236 # define dNOOP extern int Perl___notused PERL_UNUSED_DECL
237 #endif
238
239 #ifndef dTHR
240 # define dTHR dNOOP
241 #endif
242
243 #ifndef dTHX
244 # define dTHX dNOOP
245 # define dTHXa(x) dNOOP
246 # define dTHXoa(x) dNOOP
247 #endif
248
249 #ifndef pTHX
250 # define pTHX void
251 # define pTHX_
252 # define aTHX
253 # define aTHX_
254 #endif
255
256 #ifndef dAX
257 # define dAX I32 ax = MARK - PL_stack_base + 1
258 #endif
259 #ifndef dITEMS
260 # define dITEMS I32 items = SP - MARK
261 #endif
262
263 /* IV could also be a quad (say, a long long), but Perls
264 * capable of those should have IVSIZE already. */
265 #if !defined(IVSIZE) && defined(LONGSIZE)
266 # define IVSIZE LONGSIZE
267 #endif
268 #ifndef IVSIZE
269 # define IVSIZE 4 /* A bold guess, but the best we can make. */
270 #endif
271
272 #ifndef UVSIZE
273 # define UVSIZE IVSIZE
274 #endif
275
276 #ifndef NVTYPE
277 # if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE)
278 # define NVTYPE long double
279 # else
280 # define NVTYPE double
281 # endif
282 typedef NVTYPE NV;
283 #endif
284
285 #ifndef INT2PTR
286
287 #if (IVSIZE == PTRSIZE) && (UVSIZE == PTRSIZE)
288 # define PTRV UV
289 # define INT2PTR(any,d) (any)(d)
290 #else
291 # if PTRSIZE == LONGSIZE
292 # define PTRV unsigned long
293 # else
294 # define PTRV unsigned
295 # endif
296 # define INT2PTR(any,d) (any)(PTRV)(d)
297 #endif
298 #define NUM2PTR(any,d) (any)(PTRV)(d)
299 #define PTR2IV(p) INT2PTR(IV,p)
300 #define PTR2UV(p) INT2PTR(UV,p)
301 #define PTR2NV(p) NUM2PTR(NV,p)
302 #if PTRSIZE == LONGSIZE
303 # define PTR2ul(p) (unsigned long)(p)
304 #else
305 # define PTR2ul(p) INT2PTR(unsigned long,p)
306 #endif
307
308 #endif /* !INT2PTR */
309
310 #ifndef boolSV
311 # define boolSV(b) ((b) ? &PL_sv_yes : &PL_sv_no)
312 #endif
313
314 #ifndef gv_stashpvn
315 # define gv_stashpvn(str,len,flags) gv_stashpv(str,flags)
316 #endif
317
318 #ifndef newSVpvn
319 # define newSVpvn(data,len) ((len) ? newSVpv ((data), (len)) : newSVpv ("", 0))
320 #endif
321
322 #ifndef newRV_inc
323 /* Replace: 1 */
324 # define newRV_inc(sv) newRV(sv)
325 /* Replace: 0 */
326 #endif
327
328 /* DEFSV appears first in 5.004_56 */
329 #ifndef DEFSV
330 # define DEFSV GvSV(PL_defgv)
331 #endif
332
333 #ifndef SAVE_DEFSV
334 # define SAVE_DEFSV SAVESPTR(GvSV(PL_defgv))
335 #endif
336
337 #ifndef newRV_noinc
338 # ifdef __GNUC__
339 # define newRV_noinc(sv) \
340 ({ \
341 SV *nsv = (SV*)newRV(sv); \
342 SvREFCNT_dec(sv); \
343 nsv; \
344 })
345 # else
346 # if defined(USE_THREADS)
newRV_noinc(SV * sv)347 static SV * newRV_noinc (SV * sv)
348 {
349 SV *nsv = (SV*)newRV(sv);
350 SvREFCNT_dec(sv);
351 return nsv;
352 }
353 # else
354 # define newRV_noinc(sv) \
355 (PL_Sv=(SV*)newRV(sv), SvREFCNT_dec(sv), (SV*)PL_Sv)
356 # endif
357 # endif
358 #endif
359
360 /* Provide: newCONSTSUB */
361
362 /* newCONSTSUB from IO.xs is in the core starting with 5.004_63 */
363 #if (PERL_VERSION < 4) || ((PERL_VERSION == 4) && (PERL_SUBVERSION < 63))
364
365 #if defined(NEED_newCONSTSUB)
366 static
367 #else
368 extern void newCONSTSUB(HV * stash, char * name, SV *sv);
369 #endif
370
371 #if defined(NEED_newCONSTSUB) || defined(NEED_newCONSTSUB_GLOBAL)
372 void
newCONSTSUB(stash,name,sv)373 newCONSTSUB(stash,name,sv)
374 HV *stash;
375 char *name;
376 SV *sv;
377 {
378 U32 oldhints = PL_hints;
379 HV *old_cop_stash = PL_curcop->cop_stash;
380 HV *old_curstash = PL_curstash;
381 line_t oldline = PL_curcop->cop_line;
382 PL_curcop->cop_line = PL_copline;
383
384 PL_hints &= ~HINT_BLOCK_SCOPE;
385 if (stash)
386 PL_curstash = PL_curcop->cop_stash = stash;
387
388 newSUB(
389
390 #if (PERL_VERSION < 3) || ((PERL_VERSION == 3) && (PERL_SUBVERSION < 22))
391 /* before 5.003_22 */
392 start_subparse(),
393 #else
394 # if (PERL_VERSION == 3) && (PERL_SUBVERSION == 22)
395 /* 5.003_22 */
396 start_subparse(0),
397 # else
398 /* 5.003_23 onwards */
399 start_subparse(FALSE, 0),
400 # endif
401 #endif
402
403 newSVOP(OP_CONST, 0, newSVpv(name,0)),
404 newSVOP(OP_CONST, 0, &PL_sv_no), /* SvPV(&PL_sv_no) == "" -- GMB */
405 newSTATEOP(0, Nullch, newSVOP(OP_CONST, 0, sv))
406 );
407
408 PL_hints = oldhints;
409 PL_curcop->cop_stash = old_cop_stash;
410 PL_curstash = old_curstash;
411 PL_curcop->cop_line = oldline;
412 }
413 #endif
414
415 #endif /* newCONSTSUB */
416
417 #ifndef START_MY_CXT
418
419 /*
420 * Boilerplate macros for initializing and accessing interpreter-local
421 * data from C. All statics in extensions should be reworked to use
422 * this, if you want to make the extension thread-safe. See ext/re/re.xs
423 * for an example of the use of these macros.
424 *
425 * Code that uses these macros is responsible for the following:
426 * 1. #define MY_CXT_KEY to a unique string, e.g. "DynaLoader_guts"
427 * 2. Declare a typedef named my_cxt_t that is a structure that contains
428 * all the data that needs to be interpreter-local.
429 * 3. Use the START_MY_CXT macro after the declaration of my_cxt_t.
430 * 4. Use the MY_CXT_INIT macro such that it is called exactly once
431 * (typically put in the BOOT: section).
432 * 5. Use the members of the my_cxt_t structure everywhere as
433 * MY_CXT.member.
434 * 6. Use the dMY_CXT macro (a declaration) in all the functions that
435 * access MY_CXT.
436 */
437
438 #if defined(MULTIPLICITY) || defined(PERL_OBJECT) || \
439 defined(PERL_CAPI) || defined(PERL_IMPLICIT_CONTEXT)
440
441 /* This must appear in all extensions that define a my_cxt_t structure,
442 * right after the definition (i.e. at file scope). The non-threads
443 * case below uses it to declare the data as static. */
444 #define START_MY_CXT
445
446 #if (PERL_VERSION < 4 || (PERL_VERSION == 4 && PERL_SUBVERSION < 68 ))
447 /* Fetches the SV that keeps the per-interpreter data. */
448 #define dMY_CXT_SV \
449 SV *my_cxt_sv = perl_get_sv(MY_CXT_KEY, FALSE)
450 #else /* >= perl5.004_68 */
451 #define dMY_CXT_SV \
452 SV *my_cxt_sv = *hv_fetch(PL_modglobal, MY_CXT_KEY, \
453 sizeof(MY_CXT_KEY)-1, TRUE)
454 #endif /* < perl5.004_68 */
455
456 /* This declaration should be used within all functions that use the
457 * interpreter-local data. */
458 #define dMY_CXT \
459 dMY_CXT_SV; \
460 my_cxt_t *my_cxtp = INT2PTR(my_cxt_t*,SvUV(my_cxt_sv))
461
462 /* Creates and zeroes the per-interpreter data.
463 * (We allocate my_cxtp in a Perl SV so that it will be released when
464 * the interpreter goes away.) */
465 #define MY_CXT_INIT \
466 dMY_CXT_SV; \
467 /* newSV() allocates one more than needed */ \
468 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1));\
469 Zero(my_cxtp, 1, my_cxt_t); \
470 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
471
472 /* This macro must be used to access members of the my_cxt_t structure.
473 * e.g. MYCXT.some_data */
474 #define MY_CXT (*my_cxtp)
475
476 /* Judicious use of these macros can reduce the number of times dMY_CXT
477 * is used. Use is similar to pTHX, aTHX etc. */
478 #define pMY_CXT my_cxt_t *my_cxtp
479 #define pMY_CXT_ pMY_CXT,
480 #define _pMY_CXT ,pMY_CXT
481 #define aMY_CXT my_cxtp
482 #define aMY_CXT_ aMY_CXT,
483 #define _aMY_CXT ,aMY_CXT
484
485 #else /* single interpreter */
486
487 #define START_MY_CXT static my_cxt_t my_cxt;
488 #define dMY_CXT_SV dNOOP
489 #define dMY_CXT dNOOP
490 #define MY_CXT_INIT NOOP
491 #define MY_CXT my_cxt
492
493 #define pMY_CXT void
494 #define pMY_CXT_
495 #define _pMY_CXT
496 #define aMY_CXT
497 #define aMY_CXT_
498 #define _aMY_CXT
499
500 #endif
501
502 #endif /* START_MY_CXT */
503
504 #ifndef IVdf
505 # if IVSIZE == LONGSIZE
506 # define IVdf "ld"
507 # define UVuf "lu"
508 # define UVof "lo"
509 # define UVxf "lx"
510 # define UVXf "lX"
511 # else
512 # if IVSIZE == INTSIZE
513 # define IVdf "d"
514 # define UVuf "u"
515 # define UVof "o"
516 # define UVxf "x"
517 # define UVXf "X"
518 # endif
519 # endif
520 #endif
521
522 #ifndef NVef
523 # if defined(USE_LONG_DOUBLE) && defined(HAS_LONG_DOUBLE) && \
524 defined(PERL_PRIfldbl) /* Not very likely, but let's try anyway. */
525 # define NVef PERL_PRIeldbl
526 # define NVff PERL_PRIfldbl
527 # define NVgf PERL_PRIgldbl
528 # else
529 # define NVef "e"
530 # define NVff "f"
531 # define NVgf "g"
532 # endif
533 #endif
534
535 #ifndef AvFILLp /* Older perls (<=5.003) lack AvFILLp */
536 # define AvFILLp AvFILL
537 #endif
538
539 #ifdef SvPVbyte
540 # if PERL_REVISION == 5 && PERL_VERSION < 7
541 /* SvPVbyte does not work in perl-5.6.1, borrowed version for 5.7.3 */
542 # undef SvPVbyte
543 # define SvPVbyte(sv, lp) \
544 ((SvFLAGS(sv) & (SVf_POK|SVf_UTF8)) == (SVf_POK) \
545 ? ((lp = SvCUR(sv)), SvPVX(sv)) : my_sv_2pvbyte(aTHX_ sv, &lp))
546 static char *
my_sv_2pvbyte(pTHX_ register SV * sv,STRLEN * lp)547 my_sv_2pvbyte(pTHX_ register SV *sv, STRLEN *lp)
548 {
549 sv_utf8_downgrade(sv,0);
550 return SvPV(sv,*lp);
551 }
552 # endif
553 #else
554 # define SvPVbyte SvPV
555 #endif
556
557 #ifndef SvPV_nolen
558 # define SvPV_nolen(sv) \
559 ((SvFLAGS(sv) & (SVf_POK)) == SVf_POK \
560 ? SvPVX(sv) : sv_2pv_nolen(sv))
561 static char *
sv_2pv_nolen(pTHX_ register SV * sv)562 sv_2pv_nolen(pTHX_ register SV *sv)
563 {
564 STRLEN n_a;
565 return sv_2pv(sv, &n_a);
566 }
567 #endif
568
569 #ifndef get_cv
570 # define get_cv(name,create) perl_get_cv(name,create)
571 #endif
572
573 #ifndef get_sv
574 # define get_sv(name,create) perl_get_sv(name,create)
575 #endif
576
577 #ifndef get_av
578 # define get_av(name,create) perl_get_av(name,create)
579 #endif
580
581 #ifndef get_hv
582 # define get_hv(name,create) perl_get_hv(name,create)
583 #endif
584
585 #ifndef call_argv
586 # define call_argv perl_call_argv
587 #endif
588
589 #ifndef call_method
590 # define call_method perl_call_method
591 #endif
592
593 #ifndef call_pv
594 # define call_pv perl_call_pv
595 #endif
596
597 #ifndef call_sv
598 # define call_sv perl_call_sv
599 #endif
600
601 #ifndef eval_pv
602 # define eval_pv perl_eval_pv
603 #endif
604
605 #ifndef eval_sv
606 # define eval_sv perl_eval_sv
607 #endif
608
609 #ifndef PERL_SCAN_GREATER_THAN_UV_MAX
610 # define PERL_SCAN_GREATER_THAN_UV_MAX 0x02
611 #endif
612
613 #ifndef PERL_SCAN_SILENT_ILLDIGIT
614 # define PERL_SCAN_SILENT_ILLDIGIT 0x04
615 #endif
616
617 #ifndef PERL_SCAN_ALLOW_UNDERSCORES
618 # define PERL_SCAN_ALLOW_UNDERSCORES 0x01
619 #endif
620
621 #ifndef PERL_SCAN_DISALLOW_PREFIX
622 # define PERL_SCAN_DISALLOW_PREFIX 0x02
623 #endif
624
625 #if (PERL_VERSION > 6) || ((PERL_VERSION == 6) && (PERL_SUBVERSION >= 1))
626 #define I32_CAST
627 #else
628 #define I32_CAST (I32*)
629 #endif
630
631 #ifndef grok_hex
_grok_hex(char * string,STRLEN * len,I32 * flags,NV * result)632 static UV _grok_hex (char *string, STRLEN *len, I32 *flags, NV *result) {
633 NV r = scan_hex(string, *len, I32_CAST len);
634 if (r > UV_MAX) {
635 *flags |= PERL_SCAN_GREATER_THAN_UV_MAX;
636 if (result) *result = r;
637 return UV_MAX;
638 }
639 return (UV)r;
640 }
641
642 # define grok_hex(string, len, flags, result) \
643 _grok_hex((string), (len), (flags), (result))
644 #endif
645
646 #ifndef grok_oct
_grok_oct(char * string,STRLEN * len,I32 * flags,NV * result)647 static UV _grok_oct (char *string, STRLEN *len, I32 *flags, NV *result) {
648 NV r = scan_oct(string, *len, I32_CAST len);
649 if (r > UV_MAX) {
650 *flags |= PERL_SCAN_GREATER_THAN_UV_MAX;
651 if (result) *result = r;
652 return UV_MAX;
653 }
654 return (UV)r;
655 }
656
657 # define grok_oct(string, len, flags, result) \
658 _grok_oct((string), (len), (flags), (result))
659 #endif
660
661 #if !defined(grok_bin) && defined(scan_bin)
_grok_bin(char * string,STRLEN * len,I32 * flags,NV * result)662 static UV _grok_bin (char *string, STRLEN *len, I32 *flags, NV *result) {
663 NV r = scan_bin(string, *len, I32_CAST len);
664 if (r > UV_MAX) {
665 *flags |= PERL_SCAN_GREATER_THAN_UV_MAX;
666 if (result) *result = r;
667 return UV_MAX;
668 }
669 return (UV)r;
670 }
671
672 # define grok_bin(string, len, flags, result) \
673 _grok_bin((string), (len), (flags), (result))
674 #endif
675
676 #ifndef IN_LOCALE
677 # define IN_LOCALE \
678 (PL_curcop == &PL_compiling ? IN_LOCALE_COMPILETIME : IN_LOCALE_RUNTIME)
679 #endif
680
681 #ifndef IN_LOCALE_RUNTIME
682 # define IN_LOCALE_RUNTIME (PL_curcop->op_private & HINT_LOCALE)
683 #endif
684
685 #ifndef IN_LOCALE_COMPILETIME
686 # define IN_LOCALE_COMPILETIME (PL_hints & HINT_LOCALE)
687 #endif
688
689
690 #ifndef IS_NUMBER_IN_UV
691 # define IS_NUMBER_IN_UV 0x01
692 # define IS_NUMBER_GREATER_THAN_UV_MAX 0x02
693 # define IS_NUMBER_NOT_INT 0x04
694 # define IS_NUMBER_NEG 0x08
695 # define IS_NUMBER_INFINITY 0x10
696 # define IS_NUMBER_NAN 0x20
697 #endif
698
699 #ifndef grok_numeric_radix
700 # define GROK_NUMERIC_RADIX(sp, send) grok_numeric_radix(aTHX_ sp, send)
701
702 #define grok_numeric_radix Perl_grok_numeric_radix
703
704 bool
Perl_grok_numeric_radix(pTHX_ const char ** sp,const char * send)705 Perl_grok_numeric_radix(pTHX_ const char **sp, const char *send)
706 {
707 #ifdef USE_LOCALE_NUMERIC
708 #if (PERL_VERSION > 6) || ((PERL_VERSION == 6) && (PERL_SUBVERSION >= 1))
709 if (PL_numeric_radix_sv && IN_LOCALE) {
710 STRLEN len;
711 char* radix = SvPV(PL_numeric_radix_sv, len);
712 if (*sp + len <= send && memEQ(*sp, radix, len)) {
713 *sp += len;
714 return TRUE;
715 }
716 }
717 #else
718 /* pre5.6.0 perls don't have PL_numeric_radix_sv so the radix
719 * must manually be requested from locale.h */
720 #include <locale.h>
721 struct lconv *lc = localeconv();
722 char *radix = lc->decimal_point;
723 if (radix && IN_LOCALE) {
724 STRLEN len = strlen(radix);
725 if (*sp + len <= send && memEQ(*sp, radix, len)) {
726 *sp += len;
727 return TRUE;
728 }
729 }
730 #endif /* PERL_VERSION */
731 #endif /* USE_LOCALE_NUMERIC */
732 /* always try "." if numeric radix didn't match because
733 * we may have data from different locales mixed */
734 if (*sp < send && **sp == '.') {
735 ++*sp;
736 return TRUE;
737 }
738 return FALSE;
739 }
740 #endif /* grok_numeric_radix */
741
742 #ifndef grok_number
743
744 #define grok_number Perl_grok_number
745
746 int
Perl_grok_number(pTHX_ const char * pv,STRLEN len,UV * valuep)747 Perl_grok_number(pTHX_ const char *pv, STRLEN len, UV *valuep)
748 {
749 const char *s = pv;
750 const char *send = pv + len;
751 const UV max_div_10 = UV_MAX / 10;
752 const char max_mod_10 = UV_MAX % 10;
753 int numtype = 0;
754 int sawinf = 0;
755 int sawnan = 0;
756
757 while (s < send && isSPACE(*s))
758 s++;
759 if (s == send) {
760 return 0;
761 } else if (*s == '-') {
762 s++;
763 numtype = IS_NUMBER_NEG;
764 }
765 else if (*s == '+')
766 s++;
767
768 if (s == send)
769 return 0;
770
771 /* next must be digit or the radix separator or beginning of infinity */
772 if (isDIGIT(*s)) {
773 /* UVs are at least 32 bits, so the first 9 decimal digits cannot
774 overflow. */
775 UV value = *s - '0';
776 /* This construction seems to be more optimiser friendly.
777 (without it gcc does the isDIGIT test and the *s - '0' separately)
778 With it gcc on arm is managing 6 instructions (6 cycles) per digit.
779 In theory the optimiser could deduce how far to unroll the loop
780 before checking for overflow. */
781 if (++s < send) {
782 int digit = *s - '0';
783 if (digit >= 0 && digit <= 9) {
784 value = value * 10 + digit;
785 if (++s < send) {
786 digit = *s - '0';
787 if (digit >= 0 && digit <= 9) {
788 value = value * 10 + digit;
789 if (++s < send) {
790 digit = *s - '0';
791 if (digit >= 0 && digit <= 9) {
792 value = value * 10 + digit;
793 if (++s < send) {
794 digit = *s - '0';
795 if (digit >= 0 && digit <= 9) {
796 value = value * 10 + digit;
797 if (++s < send) {
798 digit = *s - '0';
799 if (digit >= 0 && digit <= 9) {
800 value = value * 10 + digit;
801 if (++s < send) {
802 digit = *s - '0';
803 if (digit >= 0 && digit <= 9) {
804 value = value * 10 + digit;
805 if (++s < send) {
806 digit = *s - '0';
807 if (digit >= 0 && digit <= 9) {
808 value = value * 10 + digit;
809 if (++s < send) {
810 digit = *s - '0';
811 if (digit >= 0 && digit <= 9) {
812 value = value * 10 + digit;
813 if (++s < send) {
814 /* Now got 9 digits, so need to check
815 each time for overflow. */
816 digit = *s - '0';
817 while (digit >= 0 && digit <= 9
818 && (value < max_div_10
819 || (value == max_div_10
820 && digit <= max_mod_10))) {
821 value = value * 10 + digit;
822 if (++s < send)
823 digit = *s - '0';
824 else
825 break;
826 }
827 if (digit >= 0 && digit <= 9
828 && (s < send)) {
829 /* value overflowed.
830 skip the remaining digits, don't
831 worry about setting *valuep. */
832 do {
833 s++;
834 } while (s < send && isDIGIT(*s));
835 numtype |=
836 IS_NUMBER_GREATER_THAN_UV_MAX;
837 goto skip_value;
838 }
839 }
840 }
841 }
842 }
843 }
844 }
845 }
846 }
847 }
848 }
849 }
850 }
851 }
852 }
853 }
854 }
855 }
856 numtype |= IS_NUMBER_IN_UV;
857 if (valuep)
858 *valuep = value;
859
860 skip_value:
861 if (GROK_NUMERIC_RADIX(&s, send)) {
862 numtype |= IS_NUMBER_NOT_INT;
863 while (s < send && isDIGIT(*s)) /* optional digits after the radix */
864 s++;
865 }
866 }
867 else if (GROK_NUMERIC_RADIX(&s, send)) {
868 numtype |= IS_NUMBER_NOT_INT | IS_NUMBER_IN_UV; /* valuep assigned below */
869 /* no digits before the radix means we need digits after it */
870 if (s < send && isDIGIT(*s)) {
871 do {
872 s++;
873 } while (s < send && isDIGIT(*s));
874 if (valuep) {
875 /* integer approximation is valid - it's 0. */
876 *valuep = 0;
877 }
878 }
879 else
880 return 0;
881 } else if (*s == 'I' || *s == 'i') {
882 s++; if (s == send || (*s != 'N' && *s != 'n')) return 0;
883 s++; if (s == send || (*s != 'F' && *s != 'f')) return 0;
884 s++; if (s < send && (*s == 'I' || *s == 'i')) {
885 s++; if (s == send || (*s != 'N' && *s != 'n')) return 0;
886 s++; if (s == send || (*s != 'I' && *s != 'i')) return 0;
887 s++; if (s == send || (*s != 'T' && *s != 't')) return 0;
888 s++; if (s == send || (*s != 'Y' && *s != 'y')) return 0;
889 s++;
890 }
891 sawinf = 1;
892 } else if (*s == 'N' || *s == 'n') {
893 /* XXX TODO: There are signaling NaNs and quiet NaNs. */
894 s++; if (s == send || (*s != 'A' && *s != 'a')) return 0;
895 s++; if (s == send || (*s != 'N' && *s != 'n')) return 0;
896 s++;
897 sawnan = 1;
898 } else
899 return 0;
900
901 if (sawinf) {
902 numtype &= IS_NUMBER_NEG; /* Keep track of sign */
903 numtype |= IS_NUMBER_INFINITY | IS_NUMBER_NOT_INT;
904 } else if (sawnan) {
905 numtype &= IS_NUMBER_NEG; /* Keep track of sign */
906 numtype |= IS_NUMBER_NAN | IS_NUMBER_NOT_INT;
907 } else if (s < send) {
908 /* we can have an optional exponent part */
909 if (*s == 'e' || *s == 'E') {
910 /* The only flag we keep is sign. Blow away any "it's UV" */
911 numtype &= IS_NUMBER_NEG;
912 numtype |= IS_NUMBER_NOT_INT;
913 s++;
914 if (s < send && (*s == '-' || *s == '+'))
915 s++;
916 if (s < send && isDIGIT(*s)) {
917 do {
918 s++;
919 } while (s < send && isDIGIT(*s));
920 }
921 else
922 return 0;
923 }
924 }
925 while (s < send && isSPACE(*s))
926 s++;
927 if (s >= send)
928 return numtype;
929 if (len == 10 && memEQ(pv, "0 but true", 10)) {
930 if (valuep)
931 *valuep = 0;
932 return IS_NUMBER_IN_UV;
933 }
934 return 0;
935 }
936 #endif /* grok_number */
937
938 #ifndef PERL_MAGIC_sv
939 # define PERL_MAGIC_sv '\0'
940 #endif
941
942 #ifndef PERL_MAGIC_overload
943 # define PERL_MAGIC_overload 'A'
944 #endif
945
946 #ifndef PERL_MAGIC_overload_elem
947 # define PERL_MAGIC_overload_elem 'a'
948 #endif
949
950 #ifndef PERL_MAGIC_overload_table
951 # define PERL_MAGIC_overload_table 'c'
952 #endif
953
954 #ifndef PERL_MAGIC_bm
955 # define PERL_MAGIC_bm 'B'
956 #endif
957
958 #ifndef PERL_MAGIC_regdata
959 # define PERL_MAGIC_regdata 'D'
960 #endif
961
962 #ifndef PERL_MAGIC_regdatum
963 # define PERL_MAGIC_regdatum 'd'
964 #endif
965
966 #ifndef PERL_MAGIC_env
967 # define PERL_MAGIC_env 'E'
968 #endif
969
970 #ifndef PERL_MAGIC_envelem
971 # define PERL_MAGIC_envelem 'e'
972 #endif
973
974 #ifndef PERL_MAGIC_fm
975 # define PERL_MAGIC_fm 'f'
976 #endif
977
978 #ifndef PERL_MAGIC_regex_global
979 # define PERL_MAGIC_regex_global 'g'
980 #endif
981
982 #ifndef PERL_MAGIC_isa
983 # define PERL_MAGIC_isa 'I'
984 #endif
985
986 #ifndef PERL_MAGIC_isaelem
987 # define PERL_MAGIC_isaelem 'i'
988 #endif
989
990 #ifndef PERL_MAGIC_nkeys
991 # define PERL_MAGIC_nkeys 'k'
992 #endif
993
994 #ifndef PERL_MAGIC_dbfile
995 # define PERL_MAGIC_dbfile 'L'
996 #endif
997
998 #ifndef PERL_MAGIC_dbline
999 # define PERL_MAGIC_dbline 'l'
1000 #endif
1001
1002 #ifndef PERL_MAGIC_mutex
1003 # define PERL_MAGIC_mutex 'm'
1004 #endif
1005
1006 #ifndef PERL_MAGIC_shared
1007 # define PERL_MAGIC_shared 'N'
1008 #endif
1009
1010 #ifndef PERL_MAGIC_shared_scalar
1011 # define PERL_MAGIC_shared_scalar 'n'
1012 #endif
1013
1014 #ifndef PERL_MAGIC_collxfrm
1015 # define PERL_MAGIC_collxfrm 'o'
1016 #endif
1017
1018 #ifndef PERL_MAGIC_tied
1019 # define PERL_MAGIC_tied 'P'
1020 #endif
1021
1022 #ifndef PERL_MAGIC_tiedelem
1023 # define PERL_MAGIC_tiedelem 'p'
1024 #endif
1025
1026 #ifndef PERL_MAGIC_tiedscalar
1027 # define PERL_MAGIC_tiedscalar 'q'
1028 #endif
1029
1030 #ifndef PERL_MAGIC_qr
1031 # define PERL_MAGIC_qr 'r'
1032 #endif
1033
1034 #ifndef PERL_MAGIC_sig
1035 # define PERL_MAGIC_sig 'S'
1036 #endif
1037
1038 #ifndef PERL_MAGIC_sigelem
1039 # define PERL_MAGIC_sigelem 's'
1040 #endif
1041
1042 #ifndef PERL_MAGIC_taint
1043 # define PERL_MAGIC_taint 't'
1044 #endif
1045
1046 #ifndef PERL_MAGIC_uvar
1047 # define PERL_MAGIC_uvar 'U'
1048 #endif
1049
1050 #ifndef PERL_MAGIC_uvar_elem
1051 # define PERL_MAGIC_uvar_elem 'u'
1052 #endif
1053
1054 #ifndef PERL_MAGIC_vstring
1055 # define PERL_MAGIC_vstring 'V'
1056 #endif
1057
1058 #ifndef PERL_MAGIC_vec
1059 # define PERL_MAGIC_vec 'v'
1060 #endif
1061
1062 #ifndef PERL_MAGIC_utf8
1063 # define PERL_MAGIC_utf8 'w'
1064 #endif
1065
1066 #ifndef PERL_MAGIC_substr
1067 # define PERL_MAGIC_substr 'x'
1068 #endif
1069
1070 #ifndef PERL_MAGIC_defelem
1071 # define PERL_MAGIC_defelem 'y'
1072 #endif
1073
1074 #ifndef PERL_MAGIC_glob
1075 # define PERL_MAGIC_glob '*'
1076 #endif
1077
1078 #ifndef PERL_MAGIC_arylen
1079 # define PERL_MAGIC_arylen '#'
1080 #endif
1081
1082 #ifndef PERL_MAGIC_pos
1083 # define PERL_MAGIC_pos '.'
1084 #endif
1085
1086 #ifndef PERL_MAGIC_backref
1087 # define PERL_MAGIC_backref '<'
1088 #endif
1089
1090 #ifndef PERL_MAGIC_ext
1091 # define PERL_MAGIC_ext '~'
1092 #endif
1093
1094 #endif /* _P_P_PORTABILITY_H_ */
1095
1096 /* End of File ppport.h */
1097