Commit | Line | Data |
---|---|---|
d6376244 JH |
1 | /* universal.c |
2 | * | |
b5f8cc5c | 3 | * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
1129b882 | 4 | * 2005, 2006, 2007, 2008 by Larry Wall and others |
d6376244 JH |
5 | * |
6 | * You may distribute under the terms of either the GNU General Public | |
7 | * License or the Artistic License, as specified in the README file. | |
8 | * | |
9 | */ | |
10 | ||
d31a8517 | 11 | /* |
4ac71550 TC |
12 | * '"The roots of those mountains must be roots indeed; there must be |
13 | * great secrets buried there which have not been discovered since the | |
14 | * beginning."' --Gandalf, relating Gollum's history | |
15 | * | |
16 | * [p.54 of _The Lord of the Rings_, I/ii: "The Shadow of the Past"] | |
d31a8517 AT |
17 | */ |
18 | ||
166f8a29 DM |
19 | /* This file contains the code that implements the functions in Perl's |
20 | * UNIVERSAL package, such as UNIVERSAL->can(). | |
192b9cd1 AB |
21 | * |
22 | * It is also used to store XS functions that need to be present in | |
23 | * miniperl for a lack of a better place to put them. It might be | |
24 | * clever to move them to seperate XS files which would then be pulled | |
25 | * in by some to-be-written build process. | |
166f8a29 DM |
26 | */ |
27 | ||
6d4a7be2 | 28 | #include "EXTERN.h" |
864dbfa3 | 29 | #define PERL_IN_UNIVERSAL_C |
6d4a7be2 | 30 | #include "perl.h" |
6d4a7be2 | 31 | |
39f7a870 JH |
32 | #ifdef USE_PERLIO |
33 | #include "perliol.h" /* For the PERLIO_F_XXX */ | |
34 | #endif | |
35 | ||
aea32303 NC |
36 | static HV * |
37 | S_get_isa_hash(pTHX_ HV *const stash) | |
00bf72ff NC |
38 | { |
39 | dVAR; | |
40 | struct mro_meta *const meta = HvMROMETA(stash); | |
41 | ||
42 | PERL_ARGS_ASSERT_GET_ISA_HASH; | |
43 | ||
44 | if (!meta->isa) { | |
45 | AV *const isa = mro_get_linear_isa(stash); | |
46 | if (!meta->isa) { | |
47 | HV *const isa_hash = newHV(); | |
48 | /* Linearisation didn't build it for us, so do it here. */ | |
49 | SV *const *svp = AvARRAY(isa); | |
50 | SV *const *const svp_end = svp + AvFILLp(isa) + 1; | |
51 | const HEK *const canon_name = HvNAME_HEK(stash); | |
52 | ||
53 | while (svp < svp_end) { | |
54 | (void) hv_store_ent(isa_hash, *svp++, &PL_sv_undef, 0); | |
55 | } | |
56 | ||
57 | (void) hv_common(isa_hash, NULL, HEK_KEY(canon_name), | |
58 | HEK_LEN(canon_name), HEK_FLAGS(canon_name), | |
59 | HV_FETCH_ISSTORE, &PL_sv_undef, | |
60 | HEK_HASH(canon_name)); | |
61 | (void) hv_store(isa_hash, "UNIVERSAL", 9, &PL_sv_undef, 0); | |
62 | ||
63 | SvREADONLY_on(isa_hash); | |
64 | ||
65 | meta->isa = isa_hash; | |
66 | } | |
67 | } | |
68 | return meta->isa; | |
69 | } | |
70 | ||
6d4a7be2 | 71 | /* |
72 | * Contributed by Graham Barr <Graham.Barr@tiuk.ti.com> | |
73 | * The main guts of traverse_isa was actually copied from gv_fetchmeth | |
74 | */ | |
75 | ||
a9ec700e | 76 | STATIC bool |
515a4f72 | 77 | S_isa_lookup(pTHX_ HV *stash, const char * const name) |
6d4a7be2 | 78 | { |
97aff369 | 79 | dVAR; |
a49ba3fc | 80 | const struct mro_meta *const meta = HvMROMETA(stash); |
aea32303 | 81 | HV *const isa = meta->isa ? meta->isa : S_get_isa_hash(aTHX_ stash); |
a49ba3fc NC |
82 | STRLEN len = strlen(name); |
83 | const HV *our_stash; | |
6d4a7be2 | 84 | |
7918f24d NC |
85 | PERL_ARGS_ASSERT_ISA_LOOKUP; |
86 | ||
a49ba3fc NC |
87 | if (hv_common(isa, NULL, name, len, 0 /* No "UTF-8" flag possible with only |
88 | a char * argument*/, | |
89 | HV_FETCH_ISEXISTS, NULL, 0)) { | |
90 | /* Direct name lookup worked. */ | |
a9ec700e | 91 | return TRUE; |
a49ba3fc | 92 | } |
6d4a7be2 | 93 | |
a49ba3fc NC |
94 | /* A stash/class can go by many names (ie. User == main::User), so |
95 | we use the name in the stash itself, which is canonical. */ | |
96 | our_stash = gv_stashpvn(name, len, 0); | |
97 | ||
98 | if (our_stash) { | |
99 | HEK *const canon_name = HvNAME_HEK(our_stash); | |
a1d407e8 | 100 | |
a49ba3fc NC |
101 | if (hv_common(isa, NULL, HEK_KEY(canon_name), HEK_LEN(canon_name), |
102 | HEK_FLAGS(canon_name), | |
103 | HV_FETCH_ISEXISTS, NULL, HEK_HASH(canon_name))) { | |
e1a479c5 | 104 | return TRUE; |
a49ba3fc | 105 | } |
6d4a7be2 | 106 | } |
107 | ||
a9ec700e | 108 | return FALSE; |
6d4a7be2 | 109 | } |
110 | ||
954c1994 | 111 | /* |
ccfc67b7 JH |
112 | =head1 SV Manipulation Functions |
113 | ||
954c1994 GS |
114 | =for apidoc sv_derived_from |
115 | ||
6885da0e | 116 | Returns a boolean indicating whether the SV is derived from the specified class |
117 | I<at the C level>. To check derivation at the Perl level, call C<isa()> as a | |
118 | normal Perl method. | |
954c1994 GS |
119 | |
120 | =cut | |
121 | */ | |
122 | ||
55497cff | 123 | bool |
15f169a1 | 124 | Perl_sv_derived_from(pTHX_ SV *sv, const char *const name) |
55497cff | 125 | { |
97aff369 | 126 | dVAR; |
0b6f4f5c | 127 | HV *stash; |
46e4b22b | 128 | |
7918f24d NC |
129 | PERL_ARGS_ASSERT_SV_DERIVED_FROM; |
130 | ||
5b295bef | 131 | SvGETMAGIC(sv); |
55497cff | 132 | |
133 | if (SvROK(sv)) { | |
0b6f4f5c | 134 | const char *type; |
55497cff | 135 | sv = SvRV(sv); |
136 | type = sv_reftype(sv,0); | |
0b6f4f5c AL |
137 | if (type && strEQ(type,name)) |
138 | return TRUE; | |
139 | stash = SvOBJECT(sv) ? SvSTASH(sv) : NULL; | |
55497cff | 140 | } |
141 | else { | |
da51bb9b | 142 | stash = gv_stashsv(sv, 0); |
55497cff | 143 | } |
46e4b22b | 144 | |
4a9e32d8 | 145 | return stash ? isa_lookup(stash, name) : FALSE; |
55497cff | 146 | } |
147 | ||
cbc021f9 | 148 | /* |
149 | =for apidoc sv_does | |
150 | ||
151 | Returns a boolean indicating whether the SV performs a specific, named role. | |
152 | The SV can be a Perl object or the name of a Perl class. | |
153 | ||
154 | =cut | |
155 | */ | |
156 | ||
1b026014 NIS |
157 | #include "XSUB.h" |
158 | ||
cbc021f9 | 159 | bool |
15f169a1 | 160 | Perl_sv_does(pTHX_ SV *sv, const char *const name) |
cbc021f9 | 161 | { |
162 | const char *classname; | |
163 | bool does_it; | |
59e7186f | 164 | SV *methodname; |
cbc021f9 | 165 | dSP; |
7918f24d NC |
166 | |
167 | PERL_ARGS_ASSERT_SV_DOES; | |
168 | ||
cbc021f9 | 169 | ENTER; |
170 | SAVETMPS; | |
171 | ||
172 | SvGETMAGIC(sv); | |
173 | ||
174 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) | |
175 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) | |
176 | return FALSE; | |
177 | ||
178 | if (sv_isobject(sv)) { | |
179 | classname = sv_reftype(SvRV(sv),TRUE); | |
180 | } else { | |
94707740 | 181 | classname = SvPV_nolen(sv); |
cbc021f9 | 182 | } |
183 | ||
184 | if (strEQ(name,classname)) | |
185 | return TRUE; | |
186 | ||
187 | PUSHMARK(SP); | |
188 | XPUSHs(sv); | |
6e449a3a | 189 | mXPUSHs(newSVpv(name, 0)); |
cbc021f9 | 190 | PUTBACK; |
191 | ||
84bafc02 | 192 | methodname = newSVpvs_flags("isa", SVs_TEMP); |
59e7186f RGS |
193 | /* ugly hack: use the SvSCREAM flag so S_method_common |
194 | * can figure out we're calling DOES() and not isa(), | |
195 | * and report eventual errors correctly. --rgs */ | |
196 | SvSCREAM_on(methodname); | |
197 | call_sv(methodname, G_SCALAR | G_METHOD); | |
cbc021f9 | 198 | SPAGAIN; |
199 | ||
200 | does_it = SvTRUE( TOPs ); | |
201 | FREETMPS; | |
202 | LEAVE; | |
203 | ||
204 | return does_it; | |
205 | } | |
206 | ||
27da23d5 JH |
207 | PERL_XS_EXPORT_C void XS_UNIVERSAL_isa(pTHX_ CV *cv); |
208 | PERL_XS_EXPORT_C void XS_UNIVERSAL_can(pTHX_ CV *cv); | |
cbc021f9 | 209 | PERL_XS_EXPORT_C void XS_UNIVERSAL_DOES(pTHX_ CV *cv); |
27da23d5 | 210 | PERL_XS_EXPORT_C void XS_UNIVERSAL_VERSION(pTHX_ CV *cv); |
439cb1c4 JP |
211 | XS(XS_version_new); |
212 | XS(XS_version_stringify); | |
213 | XS(XS_version_numify); | |
9137345a | 214 | XS(XS_version_normal); |
439cb1c4 JP |
215 | XS(XS_version_vcmp); |
216 | XS(XS_version_boolean); | |
2dfd8427 AL |
217 | #ifdef HASATTRIBUTE_NORETURN |
218 | XS(XS_version_noop) __attribute__noreturn__; | |
219 | #else | |
439cb1c4 | 220 | XS(XS_version_noop); |
2dfd8427 | 221 | #endif |
c8d69e4a | 222 | XS(XS_version_is_alpha); |
137d6fc0 | 223 | XS(XS_version_qv); |
8800c35a | 224 | XS(XS_utf8_is_utf8); |
1b026014 NIS |
225 | XS(XS_utf8_valid); |
226 | XS(XS_utf8_encode); | |
227 | XS(XS_utf8_decode); | |
228 | XS(XS_utf8_upgrade); | |
229 | XS(XS_utf8_downgrade); | |
230 | XS(XS_utf8_unicode_to_native); | |
231 | XS(XS_utf8_native_to_unicode); | |
29569577 JH |
232 | XS(XS_Internals_SvREADONLY); |
233 | XS(XS_Internals_SvREFCNT); | |
f044d0d1 | 234 | XS(XS_Internals_hv_clear_placehold); |
39f7a870 | 235 | XS(XS_PerlIO_get_layers); |
9a7034eb | 236 | XS(XS_Internals_hash_seed); |
008fb0c0 | 237 | XS(XS_Internals_rehash_seed); |
05619474 | 238 | XS(XS_Internals_HvREHASH); |
80305961 | 239 | XS(XS_re_is_regexp); |
192b9cd1 AB |
240 | XS(XS_re_regname); |
241 | XS(XS_re_regnames); | |
80305961 | 242 | XS(XS_re_regnames_count); |
192c1e27 | 243 | XS(XS_re_regexp_pattern); |
192b9cd1 AB |
244 | XS(XS_Tie_Hash_NamedCapture_FETCH); |
245 | XS(XS_Tie_Hash_NamedCapture_STORE); | |
246 | XS(XS_Tie_Hash_NamedCapture_DELETE); | |
247 | XS(XS_Tie_Hash_NamedCapture_CLEAR); | |
248 | XS(XS_Tie_Hash_NamedCapture_EXISTS); | |
86aa3d53 CB |
249 | XS(XS_Tie_Hash_NamedCapture_FIRSTK); |
250 | XS(XS_Tie_Hash_NamedCapture_NEXTK); | |
192b9cd1 AB |
251 | XS(XS_Tie_Hash_NamedCapture_SCALAR); |
252 | XS(XS_Tie_Hash_NamedCapture_flags); | |
0cb96387 GS |
253 | |
254 | void | |
255 | Perl_boot_core_UNIVERSAL(pTHX) | |
256 | { | |
97aff369 | 257 | dVAR; |
157e3fc8 | 258 | static const char file[] = __FILE__; |
0cb96387 GS |
259 | |
260 | newXS("UNIVERSAL::isa", XS_UNIVERSAL_isa, file); | |
261 | newXS("UNIVERSAL::can", XS_UNIVERSAL_can, file); | |
cbc021f9 | 262 | newXS("UNIVERSAL::DOES", XS_UNIVERSAL_DOES, file); |
0cb96387 | 263 | newXS("UNIVERSAL::VERSION", XS_UNIVERSAL_VERSION, file); |
439cb1c4 | 264 | { |
ad63d80f JP |
265 | /* register the overloading (type 'A') magic */ |
266 | PL_amagic_generation++; | |
439cb1c4 | 267 | /* Make it findable via fetchmethod */ |
be2ebcad | 268 | newXS("version::()", XS_version_noop, file); |
439cb1c4 JP |
269 | newXS("version::new", XS_version_new, file); |
270 | newXS("version::(\"\"", XS_version_stringify, file); | |
271 | newXS("version::stringify", XS_version_stringify, file); | |
272 | newXS("version::(0+", XS_version_numify, file); | |
273 | newXS("version::numify", XS_version_numify, file); | |
9137345a | 274 | newXS("version::normal", XS_version_normal, file); |
439cb1c4 JP |
275 | newXS("version::(cmp", XS_version_vcmp, file); |
276 | newXS("version::(<=>", XS_version_vcmp, file); | |
277 | newXS("version::vcmp", XS_version_vcmp, file); | |
278 | newXS("version::(bool", XS_version_boolean, file); | |
279 | newXS("version::boolean", XS_version_boolean, file); | |
280 | newXS("version::(nomethod", XS_version_noop, file); | |
281 | newXS("version::noop", XS_version_noop, file); | |
c8d69e4a | 282 | newXS("version::is_alpha", XS_version_is_alpha, file); |
137d6fc0 | 283 | newXS("version::qv", XS_version_qv, file); |
439cb1c4 | 284 | } |
8800c35a | 285 | newXS("utf8::is_utf8", XS_utf8_is_utf8, file); |
1b026014 NIS |
286 | newXS("utf8::valid", XS_utf8_valid, file); |
287 | newXS("utf8::encode", XS_utf8_encode, file); | |
288 | newXS("utf8::decode", XS_utf8_decode, file); | |
289 | newXS("utf8::upgrade", XS_utf8_upgrade, file); | |
290 | newXS("utf8::downgrade", XS_utf8_downgrade, file); | |
291 | newXS("utf8::native_to_unicode", XS_utf8_native_to_unicode, file); | |
292 | newXS("utf8::unicode_to_native", XS_utf8_unicode_to_native, file); | |
29569577 JH |
293 | newXSproto("Internals::SvREADONLY",XS_Internals_SvREADONLY, file, "\\[$%@];$"); |
294 | newXSproto("Internals::SvREFCNT",XS_Internals_SvREFCNT, file, "\\[$%@];$"); | |
dfd4ef2f | 295 | newXSproto("Internals::hv_clear_placeholders", |
f044d0d1 | 296 | XS_Internals_hv_clear_placehold, file, "\\%"); |
9d569fce JH |
297 | newXSproto("PerlIO::get_layers", |
298 | XS_PerlIO_get_layers, file, "*;@"); | |
85a79b09 | 299 | /* Providing a Regexp::DESTROY fixes #21347. See test in t/op/ref.t */ |
d5cecc0e NC |
300 | CvFILE(newCONSTSUB(get_hv("Regexp::", GV_ADD), "DESTROY", NULL)) |
301 | = (char *)file; | |
9a7034eb | 302 | newXSproto("Internals::hash_seed",XS_Internals_hash_seed, file, ""); |
008fb0c0 | 303 | newXSproto("Internals::rehash_seed",XS_Internals_rehash_seed, file, ""); |
05619474 | 304 | newXSproto("Internals::HvREHASH", XS_Internals_HvREHASH, file, "\\%"); |
80305961 | 305 | newXSproto("re::is_regexp", XS_re_is_regexp, file, "$"); |
28d8d7f4 YO |
306 | newXSproto("re::regname", XS_re_regname, file, ";$$"); |
307 | newXSproto("re::regnames", XS_re_regnames, file, ";$"); | |
28d8d7f4 | 308 | newXSproto("re::regnames_count", XS_re_regnames_count, file, ""); |
192c1e27 | 309 | newXSproto("re::regexp_pattern", XS_re_regexp_pattern, file, "$"); |
192b9cd1 AB |
310 | newXS("Tie::Hash::NamedCapture::FETCH", XS_Tie_Hash_NamedCapture_FETCH, file); |
311 | newXS("Tie::Hash::NamedCapture::STORE", XS_Tie_Hash_NamedCapture_STORE, file); | |
312 | newXS("Tie::Hash::NamedCapture::DELETE", XS_Tie_Hash_NamedCapture_DELETE, file); | |
313 | newXS("Tie::Hash::NamedCapture::CLEAR", XS_Tie_Hash_NamedCapture_CLEAR, file); | |
314 | newXS("Tie::Hash::NamedCapture::EXISTS", XS_Tie_Hash_NamedCapture_EXISTS, file); | |
86aa3d53 CB |
315 | newXS("Tie::Hash::NamedCapture::FIRSTKEY", XS_Tie_Hash_NamedCapture_FIRSTK, file); |
316 | newXS("Tie::Hash::NamedCapture::NEXTKEY", XS_Tie_Hash_NamedCapture_NEXTK, file); | |
192b9cd1 AB |
317 | newXS("Tie::Hash::NamedCapture::SCALAR", XS_Tie_Hash_NamedCapture_SCALAR, file); |
318 | newXS("Tie::Hash::NamedCapture::flags", XS_Tie_Hash_NamedCapture_flags, file); | |
0cb96387 GS |
319 | } |
320 | ||
afa74d42 NC |
321 | /* |
322 | =for apidoc croak_xs_usage | |
323 | ||
324 | A specialised variant of C<croak()> for emitting the usage message for xsubs | |
325 | ||
326 | croak_xs_usage(cv, "eee_yow"); | |
327 | ||
328 | works out the package name and subroutine name from C<cv>, and then calls | |
329 | C<croak()>. Hence if C<cv> is C<&ouch::awk>, it would call C<croak> as: | |
330 | ||
331 | Perl_croak(aTHX_ "Usage %s::%s(%s)", "ouch" "awk", "eee_yow"); | |
332 | ||
333 | =cut | |
334 | */ | |
335 | ||
336 | void | |
337 | Perl_croak_xs_usage(pTHX_ const CV *const cv, const char *const params) | |
338 | { | |
339 | const GV *const gv = CvGV(cv); | |
340 | ||
341 | PERL_ARGS_ASSERT_CROAK_XS_USAGE; | |
342 | ||
343 | if (gv) { | |
344 | const char *const gvname = GvNAME(gv); | |
345 | const HV *const stash = GvSTASH(gv); | |
346 | const char *const hvname = stash ? HvNAME_get(stash) : NULL; | |
347 | ||
348 | if (hvname) | |
349 | Perl_croak(aTHX_ "Usage: %s::%s(%s)", hvname, gvname, params); | |
350 | else | |
351 | Perl_croak(aTHX_ "Usage: %s(%s)", gvname, params); | |
352 | } else { | |
353 | /* Pants. I don't think that it should be possible to get here. */ | |
93c51217 | 354 | Perl_croak(aTHX_ "Usage: CODE(0x%"UVxf")(%s)", PTR2UV(cv), params); |
afa74d42 NC |
355 | } |
356 | } | |
55497cff | 357 | |
6d4a7be2 | 358 | XS(XS_UNIVERSAL_isa) |
359 | { | |
97aff369 | 360 | dVAR; |
6d4a7be2 | 361 | dXSARGS; |
6d4a7be2 | 362 | |
363 | if (items != 2) | |
afa74d42 | 364 | croak_xs_usage(cv, "reference, kind"); |
c4420975 AL |
365 | else { |
366 | SV * const sv = ST(0); | |
367 | const char *name; | |
6d4a7be2 | 368 | |
c4420975 | 369 | SvGETMAGIC(sv); |
d3f7f2b2 | 370 | |
c4420975 AL |
371 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
372 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) | |
373 | XSRETURN_UNDEF; | |
f8f70380 | 374 | |
c4420975 | 375 | name = SvPV_nolen_const(ST(1)); |
6d4a7be2 | 376 | |
c4420975 AL |
377 | ST(0) = boolSV(sv_derived_from(sv, name)); |
378 | XSRETURN(1); | |
379 | } | |
6d4a7be2 | 380 | } |
381 | ||
6d4a7be2 | 382 | XS(XS_UNIVERSAL_can) |
383 | { | |
97aff369 | 384 | dVAR; |
6d4a7be2 | 385 | dXSARGS; |
386 | SV *sv; | |
6867be6d | 387 | const char *name; |
6d4a7be2 | 388 | SV *rv; |
6f08146e | 389 | HV *pkg = NULL; |
6d4a7be2 | 390 | |
391 | if (items != 2) | |
afa74d42 | 392 | croak_xs_usage(cv, "object-ref, method"); |
6d4a7be2 | 393 | |
394 | sv = ST(0); | |
f8f70380 | 395 | |
5b295bef | 396 | SvGETMAGIC(sv); |
d3f7f2b2 | 397 | |
253ecd6d RGS |
398 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
399 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) | |
f8f70380 GS |
400 | XSRETURN_UNDEF; |
401 | ||
0510663f | 402 | name = SvPV_nolen_const(ST(1)); |
3280af22 | 403 | rv = &PL_sv_undef; |
6d4a7be2 | 404 | |
46e4b22b | 405 | if (SvROK(sv)) { |
daba3364 | 406 | sv = MUTABLE_SV(SvRV(sv)); |
46e4b22b | 407 | if (SvOBJECT(sv)) |
6f08146e NIS |
408 | pkg = SvSTASH(sv); |
409 | } | |
410 | else { | |
da51bb9b | 411 | pkg = gv_stashsv(sv, 0); |
6f08146e NIS |
412 | } |
413 | ||
414 | if (pkg) { | |
c4420975 | 415 | GV * const gv = gv_fetchmethod_autoload(pkg, name, FALSE); |
dc848c6f | 416 | if (gv && isGV(gv)) |
daba3364 | 417 | rv = sv_2mortal(newRV(MUTABLE_SV(GvCV(gv)))); |
6d4a7be2 | 418 | } |
419 | ||
420 | ST(0) = rv; | |
421 | XSRETURN(1); | |
422 | } | |
423 | ||
cbc021f9 | 424 | XS(XS_UNIVERSAL_DOES) |
425 | { | |
426 | dVAR; | |
427 | dXSARGS; | |
58c0efa5 | 428 | PERL_UNUSED_ARG(cv); |
cbc021f9 | 429 | |
430 | if (items != 2) | |
26be3db7 | 431 | Perl_croak(aTHX_ "Usage: invocant->DOES(kind)"); |
cbc021f9 | 432 | else { |
433 | SV * const sv = ST(0); | |
434 | const char *name; | |
435 | ||
436 | name = SvPV_nolen_const(ST(1)); | |
437 | if (sv_does( sv, name )) | |
438 | XSRETURN_YES; | |
439 | ||
440 | XSRETURN_NO; | |
441 | } | |
442 | } | |
443 | ||
6d4a7be2 | 444 | XS(XS_UNIVERSAL_VERSION) |
445 | { | |
97aff369 | 446 | dVAR; |
6d4a7be2 | 447 | dXSARGS; |
448 | HV *pkg; | |
449 | GV **gvp; | |
450 | GV *gv; | |
451 | SV *sv; | |
e1ec3a88 | 452 | const char *undef; |
58c0efa5 | 453 | PERL_UNUSED_ARG(cv); |
6d4a7be2 | 454 | |
1571675a | 455 | if (SvROK(ST(0))) { |
daba3364 | 456 | sv = MUTABLE_SV(SvRV(ST(0))); |
1571675a | 457 | if (!SvOBJECT(sv)) |
cea2e8a9 | 458 | Perl_croak(aTHX_ "Cannot find version of an unblessed reference"); |
6d4a7be2 | 459 | pkg = SvSTASH(sv); |
460 | } | |
461 | else { | |
da51bb9b | 462 | pkg = gv_stashsv(ST(0), 0); |
6d4a7be2 | 463 | } |
464 | ||
4608196e | 465 | gvp = pkg ? (GV**)hv_fetchs(pkg, "VERSION", FALSE) : NULL; |
6d4a7be2 | 466 | |
0008872a | 467 | if (gvp && isGV(gv = *gvp) && (sv = GvSV(gv)) && SvOK(sv)) { |
c4420975 | 468 | SV * const nsv = sv_newmortal(); |
6d4a7be2 | 469 | sv_setsv(nsv, sv); |
470 | sv = nsv; | |
137d6fc0 | 471 | if ( !sv_derived_from(sv, "version")) |
ac0e6a2f | 472 | upg_version(sv, FALSE); |
c445ea15 | 473 | undef = NULL; |
6d4a7be2 | 474 | } |
475 | else { | |
daba3364 | 476 | sv = &PL_sv_undef; |
6d4a7be2 | 477 | undef = "(undef)"; |
478 | } | |
479 | ||
1571675a | 480 | if (items > 1) { |
1571675a GS |
481 | SV *req = ST(1); |
482 | ||
62658f4d | 483 | if (undef) { |
bfcb3514 | 484 | if (pkg) { |
c4420975 | 485 | const char * const name = HvNAME_get(pkg); |
a3b680e6 | 486 | Perl_croak(aTHX_ |
bfcb3514 NC |
487 | "%s does not define $%s::VERSION--version check failed", |
488 | name, name); | |
489 | } else { | |
a3b680e6 AL |
490 | Perl_croak(aTHX_ |
491 | "%s defines neither package nor VERSION--version check failed", | |
0510663f | 492 | SvPVx_nolen_const(ST(0)) ); |
62658f4d PM |
493 | } |
494 | } | |
ad63d80f | 495 | |
137d6fc0 JP |
496 | if ( !sv_derived_from(req, "version")) { |
497 | /* req may very well be R/O, so create a new object */ | |
ac0e6a2f | 498 | req = sv_2mortal( new_version(req) ); |
137d6fc0 | 499 | } |
1571675a | 500 | |
ac0e6a2f | 501 | if ( vcmp( req, sv ) > 0 ) { |
ef8f7699 | 502 | if ( hv_exists(MUTABLE_HV(SvRV(req)), "qv", 2 ) ) { |
ac0e6a2f RGS |
503 | Perl_croak(aTHX_ "%s version %"SVf" required--" |
504 | "this is only version %"SVf"", HvNAME_get(pkg), | |
be2597df | 505 | SVfARG(vnormal(req)), |
be2597df | 506 | SVfARG(vnormal(sv))); |
ac0e6a2f RGS |
507 | } else { |
508 | Perl_croak(aTHX_ "%s version %"SVf" required--" | |
509 | "this is only version %"SVf"", HvNAME_get(pkg), | |
8cb289bd RGS |
510 | SVfARG(vstringify(req)), |
511 | SVfARG(vstringify(sv))); | |
ac0e6a2f RGS |
512 | } |
513 | } | |
514 | ||
2d8e6c8d | 515 | } |
6d4a7be2 | 516 | |
2b140d5b | 517 | if ( SvOK(sv) && sv_derived_from(sv, "version") ) { |
8cb289bd | 518 | ST(0) = vstringify(sv); |
13f8f398 JP |
519 | } else { |
520 | ST(0) = sv; | |
b38a9dc5 | 521 | } |
6d4a7be2 | 522 | |
523 | XSRETURN(1); | |
524 | } | |
525 | ||
439cb1c4 JP |
526 | XS(XS_version_new) |
527 | { | |
97aff369 | 528 | dVAR; |
439cb1c4 | 529 | dXSARGS; |
129318bd | 530 | if (items > 3) |
afa74d42 | 531 | croak_xs_usage(cv, "class, version"); |
439cb1c4 JP |
532 | SP -= items; |
533 | { | |
137d6fc0 JP |
534 | SV *vs = ST(1); |
535 | SV *rv; | |
c4420975 AL |
536 | const char * const classname = |
537 | sv_isobject(ST(0)) /* get the class if called as an object method */ | |
538 | ? HvNAME(SvSTASH(SvRV(ST(0)))) | |
539 | : (char *)SvPV_nolen(ST(0)); | |
9137345a | 540 | |
92dcf8ce JP |
541 | if ( items == 1 || vs == &PL_sv_undef ) { /* no param or explicit undef */ |
542 | /* create empty object */ | |
543 | vs = sv_newmortal(); | |
76f68e9b | 544 | sv_setpvs(vs,""); |
9137345a JP |
545 | } |
546 | else if ( items == 3 ) { | |
547 | vs = sv_newmortal(); | |
cfd0369c | 548 | Perl_sv_setpvf(aTHX_ vs,"v%s",SvPV_nolen_const(ST(2))); |
129318bd | 549 | } |
439cb1c4 | 550 | |
137d6fc0 | 551 | rv = new_version(vs); |
0723351e | 552 | if ( strcmp(classname,"version") != 0 ) /* inherited new() */ |
da51bb9b | 553 | sv_bless(rv, gv_stashpv(classname, GV_ADD)); |
137d6fc0 | 554 | |
6e449a3a | 555 | mPUSHs(rv); |
439cb1c4 JP |
556 | PUTBACK; |
557 | return; | |
558 | } | |
559 | } | |
560 | ||
561 | XS(XS_version_stringify) | |
562 | { | |
97aff369 | 563 | dVAR; |
41be1fbd JH |
564 | dXSARGS; |
565 | if (items < 1) | |
afa74d42 | 566 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd JH |
567 | SP -= items; |
568 | { | |
7452cf6a | 569 | SV * lobj; |
41be1fbd JH |
570 | |
571 | if (sv_derived_from(ST(0), "version")) { | |
9137345a | 572 | lobj = SvRV(ST(0)); |
41be1fbd JH |
573 | } |
574 | else | |
575 | Perl_croak(aTHX_ "lobj is not of type version"); | |
576 | ||
6e449a3a | 577 | mPUSHs(vstringify(lobj)); |
41be1fbd JH |
578 | |
579 | PUTBACK; | |
580 | return; | |
581 | } | |
439cb1c4 JP |
582 | } |
583 | ||
584 | XS(XS_version_numify) | |
585 | { | |
97aff369 | 586 | dVAR; |
41be1fbd JH |
587 | dXSARGS; |
588 | if (items < 1) | |
afa74d42 | 589 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd JH |
590 | SP -= items; |
591 | { | |
7452cf6a | 592 | SV * lobj; |
41be1fbd JH |
593 | |
594 | if (sv_derived_from(ST(0), "version")) { | |
9137345a | 595 | lobj = SvRV(ST(0)); |
41be1fbd JH |
596 | } |
597 | else | |
598 | Perl_croak(aTHX_ "lobj is not of type version"); | |
599 | ||
6e449a3a | 600 | mPUSHs(vnumify(lobj)); |
41be1fbd JH |
601 | |
602 | PUTBACK; | |
603 | return; | |
604 | } | |
439cb1c4 JP |
605 | } |
606 | ||
9137345a JP |
607 | XS(XS_version_normal) |
608 | { | |
97aff369 | 609 | dVAR; |
9137345a JP |
610 | dXSARGS; |
611 | if (items < 1) | |
afa74d42 | 612 | croak_xs_usage(cv, "lobj, ..."); |
9137345a JP |
613 | SP -= items; |
614 | { | |
7452cf6a | 615 | SV * lobj; |
9137345a JP |
616 | |
617 | if (sv_derived_from(ST(0), "version")) { | |
618 | lobj = SvRV(ST(0)); | |
619 | } | |
620 | else | |
621 | Perl_croak(aTHX_ "lobj is not of type version"); | |
622 | ||
6e449a3a | 623 | mPUSHs(vnormal(lobj)); |
9137345a JP |
624 | |
625 | PUTBACK; | |
626 | return; | |
627 | } | |
628 | } | |
629 | ||
439cb1c4 JP |
630 | XS(XS_version_vcmp) |
631 | { | |
97aff369 | 632 | dVAR; |
41be1fbd JH |
633 | dXSARGS; |
634 | if (items < 1) | |
afa74d42 | 635 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd JH |
636 | SP -= items; |
637 | { | |
7452cf6a | 638 | SV * lobj; |
41be1fbd JH |
639 | |
640 | if (sv_derived_from(ST(0), "version")) { | |
9137345a | 641 | lobj = SvRV(ST(0)); |
41be1fbd JH |
642 | } |
643 | else | |
644 | Perl_croak(aTHX_ "lobj is not of type version"); | |
645 | ||
646 | { | |
647 | SV *rs; | |
648 | SV *rvs; | |
649 | SV * robj = ST(1); | |
7452cf6a | 650 | const IV swap = (IV)SvIV(ST(2)); |
41be1fbd JH |
651 | |
652 | if ( ! sv_derived_from(robj, "version") ) | |
653 | { | |
654 | robj = new_version(robj); | |
655 | } | |
656 | rvs = SvRV(robj); | |
657 | ||
658 | if ( swap ) | |
659 | { | |
660 | rs = newSViv(vcmp(rvs,lobj)); | |
661 | } | |
662 | else | |
663 | { | |
664 | rs = newSViv(vcmp(lobj,rvs)); | |
665 | } | |
666 | ||
6e449a3a | 667 | mPUSHs(rs); |
41be1fbd JH |
668 | } |
669 | ||
670 | PUTBACK; | |
671 | return; | |
672 | } | |
439cb1c4 JP |
673 | } |
674 | ||
675 | XS(XS_version_boolean) | |
676 | { | |
97aff369 JH |
677 | dVAR; |
678 | dXSARGS; | |
679 | if (items < 1) | |
afa74d42 | 680 | croak_xs_usage(cv, "lobj, ..."); |
97aff369 | 681 | SP -= items; |
c4420975 AL |
682 | if (sv_derived_from(ST(0), "version")) { |
683 | SV * const lobj = SvRV(ST(0)); | |
396482e1 | 684 | SV * const rs = newSViv( vcmp(lobj,new_version(newSVpvs("0"))) ); |
6e449a3a | 685 | mPUSHs(rs); |
c4420975 AL |
686 | PUTBACK; |
687 | return; | |
688 | } | |
689 | else | |
690 | Perl_croak(aTHX_ "lobj is not of type version"); | |
439cb1c4 JP |
691 | } |
692 | ||
693 | XS(XS_version_noop) | |
694 | { | |
97aff369 | 695 | dVAR; |
2dfd8427 AL |
696 | dXSARGS; |
697 | if (items < 1) | |
afa74d42 | 698 | croak_xs_usage(cv, "lobj, ..."); |
2dfd8427 AL |
699 | if (sv_derived_from(ST(0), "version")) |
700 | Perl_croak(aTHX_ "operation not supported with version object"); | |
701 | else | |
702 | Perl_croak(aTHX_ "lobj is not of type version"); | |
703 | #ifndef HASATTRIBUTE_NORETURN | |
704 | XSRETURN_EMPTY; | |
705 | #endif | |
439cb1c4 JP |
706 | } |
707 | ||
c8d69e4a JP |
708 | XS(XS_version_is_alpha) |
709 | { | |
97aff369 | 710 | dVAR; |
c8d69e4a JP |
711 | dXSARGS; |
712 | if (items != 1) | |
afa74d42 | 713 | croak_xs_usage(cv, "lobj"); |
c8d69e4a | 714 | SP -= items; |
c4420975 AL |
715 | if (sv_derived_from(ST(0), "version")) { |
716 | SV * const lobj = ST(0); | |
ef8f7699 | 717 | if ( hv_exists(MUTABLE_HV(SvRV(lobj)), "alpha", 5 ) ) |
c4420975 AL |
718 | XSRETURN_YES; |
719 | else | |
720 | XSRETURN_NO; | |
c8d69e4a JP |
721 | PUTBACK; |
722 | return; | |
723 | } | |
c4420975 AL |
724 | else |
725 | Perl_croak(aTHX_ "lobj is not of type version"); | |
c8d69e4a JP |
726 | } |
727 | ||
137d6fc0 JP |
728 | XS(XS_version_qv) |
729 | { | |
97aff369 | 730 | dVAR; |
137d6fc0 JP |
731 | dXSARGS; |
732 | if (items != 1) | |
afa74d42 | 733 | croak_xs_usage(cv, "ver"); |
137d6fc0 JP |
734 | SP -= items; |
735 | { | |
736 | SV * ver = ST(0); | |
c4420975 | 737 | if ( !SvVOK(ver) ) { /* only need to do with if not already v-string */ |
ac0e6a2f RGS |
738 | SV * const rv = sv_newmortal(); |
739 | sv_setsv(rv,ver); /* make a duplicate */ | |
740 | upg_version(rv, TRUE); | |
741 | PUSHs(rv); | |
137d6fc0 JP |
742 | } |
743 | else | |
744 | { | |
6e449a3a | 745 | mPUSHs(new_version(ver)); |
137d6fc0 JP |
746 | } |
747 | ||
748 | PUTBACK; | |
749 | return; | |
750 | } | |
751 | } | |
752 | ||
8800c35a JH |
753 | XS(XS_utf8_is_utf8) |
754 | { | |
97aff369 | 755 | dVAR; |
41be1fbd JH |
756 | dXSARGS; |
757 | if (items != 1) | |
afa74d42 | 758 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
759 | else { |
760 | const SV * const sv = ST(0); | |
761 | if (SvUTF8(sv)) | |
762 | XSRETURN_YES; | |
763 | else | |
764 | XSRETURN_NO; | |
41be1fbd JH |
765 | } |
766 | XSRETURN_EMPTY; | |
8800c35a JH |
767 | } |
768 | ||
1b026014 NIS |
769 | XS(XS_utf8_valid) |
770 | { | |
97aff369 | 771 | dVAR; |
41be1fbd JH |
772 | dXSARGS; |
773 | if (items != 1) | |
afa74d42 | 774 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
775 | else { |
776 | SV * const sv = ST(0); | |
777 | STRLEN len; | |
778 | const char * const s = SvPV_const(sv,len); | |
779 | if (!SvUTF8(sv) || is_utf8_string((const U8*)s,len)) | |
780 | XSRETURN_YES; | |
781 | else | |
782 | XSRETURN_NO; | |
783 | } | |
41be1fbd | 784 | XSRETURN_EMPTY; |
1b026014 NIS |
785 | } |
786 | ||
787 | XS(XS_utf8_encode) | |
788 | { | |
97aff369 | 789 | dVAR; |
1b026014 NIS |
790 | dXSARGS; |
791 | if (items != 1) | |
afa74d42 | 792 | croak_xs_usage(cv, "sv"); |
c4420975 | 793 | sv_utf8_encode(ST(0)); |
1b026014 NIS |
794 | XSRETURN_EMPTY; |
795 | } | |
796 | ||
797 | XS(XS_utf8_decode) | |
798 | { | |
97aff369 | 799 | dVAR; |
1b026014 NIS |
800 | dXSARGS; |
801 | if (items != 1) | |
afa74d42 | 802 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
803 | else { |
804 | SV * const sv = ST(0); | |
6867be6d | 805 | const bool RETVAL = sv_utf8_decode(sv); |
1b026014 NIS |
806 | ST(0) = boolSV(RETVAL); |
807 | sv_2mortal(ST(0)); | |
808 | } | |
809 | XSRETURN(1); | |
810 | } | |
811 | ||
812 | XS(XS_utf8_upgrade) | |
813 | { | |
97aff369 | 814 | dVAR; |
1b026014 NIS |
815 | dXSARGS; |
816 | if (items != 1) | |
afa74d42 | 817 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
818 | else { |
819 | SV * const sv = ST(0); | |
1b026014 NIS |
820 | STRLEN RETVAL; |
821 | dXSTARG; | |
822 | ||
823 | RETVAL = sv_utf8_upgrade(sv); | |
824 | XSprePUSH; PUSHi((IV)RETVAL); | |
825 | } | |
826 | XSRETURN(1); | |
827 | } | |
828 | ||
829 | XS(XS_utf8_downgrade) | |
830 | { | |
97aff369 | 831 | dVAR; |
1b026014 NIS |
832 | dXSARGS; |
833 | if (items < 1 || items > 2) | |
afa74d42 | 834 | croak_xs_usage(cv, "sv, failok=0"); |
c4420975 AL |
835 | else { |
836 | SV * const sv = ST(0); | |
6867be6d AL |
837 | const bool failok = (items < 2) ? 0 : (int)SvIV(ST(1)); |
838 | const bool RETVAL = sv_utf8_downgrade(sv, failok); | |
1b026014 | 839 | |
1b026014 NIS |
840 | ST(0) = boolSV(RETVAL); |
841 | sv_2mortal(ST(0)); | |
842 | } | |
843 | XSRETURN(1); | |
844 | } | |
845 | ||
846 | XS(XS_utf8_native_to_unicode) | |
847 | { | |
97aff369 | 848 | dVAR; |
1b026014 | 849 | dXSARGS; |
6867be6d | 850 | const UV uv = SvUV(ST(0)); |
b7953727 JH |
851 | |
852 | if (items > 1) | |
afa74d42 | 853 | croak_xs_usage(cv, "sv"); |
b7953727 | 854 | |
1b026014 NIS |
855 | ST(0) = sv_2mortal(newSViv(NATIVE_TO_UNI(uv))); |
856 | XSRETURN(1); | |
857 | } | |
858 | ||
859 | XS(XS_utf8_unicode_to_native) | |
860 | { | |
97aff369 | 861 | dVAR; |
1b026014 | 862 | dXSARGS; |
6867be6d | 863 | const UV uv = SvUV(ST(0)); |
b7953727 JH |
864 | |
865 | if (items > 1) | |
afa74d42 | 866 | croak_xs_usage(cv, "sv"); |
b7953727 | 867 | |
1b026014 NIS |
868 | ST(0) = sv_2mortal(newSViv(UNI_TO_NATIVE(uv))); |
869 | XSRETURN(1); | |
870 | } | |
871 | ||
14a976d6 | 872 | XS(XS_Internals_SvREADONLY) /* This is dangerous stuff. */ |
29569577 | 873 | { |
97aff369 | 874 | dVAR; |
29569577 | 875 | dXSARGS; |
c4420975 | 876 | SV * const sv = SvRV(ST(0)); |
58c0efa5 | 877 | PERL_UNUSED_ARG(cv); |
6867be6d | 878 | |
29569577 JH |
879 | if (items == 1) { |
880 | if (SvREADONLY(sv)) | |
881 | XSRETURN_YES; | |
882 | else | |
883 | XSRETURN_NO; | |
884 | } | |
885 | else if (items == 2) { | |
886 | if (SvTRUE(ST(1))) { | |
887 | SvREADONLY_on(sv); | |
888 | XSRETURN_YES; | |
889 | } | |
890 | else { | |
14a976d6 | 891 | /* I hope you really know what you are doing. */ |
29569577 JH |
892 | SvREADONLY_off(sv); |
893 | XSRETURN_NO; | |
894 | } | |
895 | } | |
14a976d6 | 896 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 JH |
897 | } |
898 | ||
14a976d6 | 899 | XS(XS_Internals_SvREFCNT) /* This is dangerous stuff. */ |
29569577 | 900 | { |
97aff369 | 901 | dVAR; |
29569577 | 902 | dXSARGS; |
c4420975 | 903 | SV * const sv = SvRV(ST(0)); |
58c0efa5 | 904 | PERL_UNUSED_ARG(cv); |
6867be6d | 905 | |
29569577 | 906 | if (items == 1) |
14a976d6 | 907 | XSRETURN_IV(SvREFCNT(sv) - 1); /* Minus the ref created for us. */ |
29569577 | 908 | else if (items == 2) { |
14a976d6 | 909 | /* I hope you really know what you are doing. */ |
29569577 JH |
910 | SvREFCNT(sv) = SvIV(ST(1)); |
911 | XSRETURN_IV(SvREFCNT(sv)); | |
912 | } | |
14a976d6 | 913 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 JH |
914 | } |
915 | ||
f044d0d1 | 916 | XS(XS_Internals_hv_clear_placehold) |
dfd4ef2f | 917 | { |
97aff369 | 918 | dVAR; |
dfd4ef2f | 919 | dXSARGS; |
6867be6d | 920 | |
3540d4ce | 921 | if (items != 1) |
afa74d42 | 922 | croak_xs_usage(cv, "hv"); |
c4420975 | 923 | else { |
ef8f7699 | 924 | HV * const hv = MUTABLE_HV(SvRV(ST(0))); |
c4420975 AL |
925 | hv_clear_placeholders(hv); |
926 | XSRETURN(0); | |
927 | } | |
dfd4ef2f | 928 | } |
39f7a870 JH |
929 | |
930 | XS(XS_PerlIO_get_layers) | |
931 | { | |
97aff369 | 932 | dVAR; |
39f7a870 JH |
933 | dXSARGS; |
934 | if (items < 1 || items % 2 == 0) | |
afa74d42 | 935 | croak_xs_usage(cv, "filehandle[,args]"); |
5fef3b4a | 936 | #ifdef USE_PERLIO |
39f7a870 JH |
937 | { |
938 | SV * sv; | |
939 | GV * gv; | |
940 | IO * io; | |
941 | bool input = TRUE; | |
942 | bool details = FALSE; | |
943 | ||
944 | if (items > 1) { | |
c4420975 | 945 | SV * const *svp; |
39f7a870 | 946 | for (svp = MARK + 2; svp <= SP; svp += 2) { |
c4420975 AL |
947 | SV * const * const varp = svp; |
948 | SV * const * const valp = svp + 1; | |
39f7a870 | 949 | STRLEN klen; |
c4420975 | 950 | const char * const key = SvPV_const(*varp, klen); |
39f7a870 JH |
951 | |
952 | switch (*key) { | |
953 | case 'i': | |
954 | if (klen == 5 && memEQ(key, "input", 5)) { | |
955 | input = SvTRUE(*valp); | |
956 | break; | |
957 | } | |
958 | goto fail; | |
959 | case 'o': | |
960 | if (klen == 6 && memEQ(key, "output", 6)) { | |
961 | input = !SvTRUE(*valp); | |
962 | break; | |
963 | } | |
964 | goto fail; | |
965 | case 'd': | |
966 | if (klen == 7 && memEQ(key, "details", 7)) { | |
967 | details = SvTRUE(*valp); | |
968 | break; | |
969 | } | |
970 | goto fail; | |
971 | default: | |
972 | fail: | |
973 | Perl_croak(aTHX_ | |
974 | "get_layers: unknown argument '%s'", | |
975 | key); | |
976 | } | |
977 | } | |
978 | ||
979 | SP -= (items - 1); | |
980 | } | |
981 | ||
982 | sv = POPs; | |
159b6efe | 983 | gv = MUTABLE_GV(sv); |
39f7a870 JH |
984 | |
985 | if (!isGV(sv)) { | |
986 | if (SvROK(sv) && isGV(SvRV(sv))) | |
159b6efe | 987 | gv = MUTABLE_GV(SvRV(sv)); |
671d49be | 988 | else if (SvPOKp(sv)) |
f776e3cd | 989 | gv = gv_fetchsv(sv, 0, SVt_PVIO); |
39f7a870 JH |
990 | } |
991 | ||
992 | if (gv && (io = GvIO(gv))) { | |
c4420975 | 993 | AV* const av = PerlIO_get_layers(aTHX_ input ? |
39f7a870 JH |
994 | IoIFP(io) : IoOFP(io)); |
995 | I32 i; | |
c4420975 | 996 | const I32 last = av_len(av); |
39f7a870 JH |
997 | I32 nitem = 0; |
998 | ||
999 | for (i = last; i >= 0; i -= 3) { | |
c4420975 AL |
1000 | SV * const * const namsvp = av_fetch(av, i - 2, FALSE); |
1001 | SV * const * const argsvp = av_fetch(av, i - 1, FALSE); | |
1002 | SV * const * const flgsvp = av_fetch(av, i, FALSE); | |
39f7a870 | 1003 | |
c4420975 AL |
1004 | const bool namok = namsvp && *namsvp && SvPOK(*namsvp); |
1005 | const bool argok = argsvp && *argsvp && SvPOK(*argsvp); | |
1006 | const bool flgok = flgsvp && *flgsvp && SvIOK(*flgsvp); | |
39f7a870 JH |
1007 | |
1008 | if (details) { | |
92e45a3e NC |
1009 | /* Indents of 5? Yuck. */ |
1010 | /* We know that PerlIO_get_layers creates a new SV for | |
1011 | the name and flags, so we can just take a reference | |
1012 | and "steal" it when we free the AV below. */ | |
ec3bab8e | 1013 | XPUSHs(namok |
92e45a3e | 1014 | ? sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp)) |
ec3bab8e NC |
1015 | : &PL_sv_undef); |
1016 | XPUSHs(argok | |
92e45a3e NC |
1017 | ? newSVpvn_flags(SvPVX_const(*argsvp), |
1018 | SvCUR(*argsvp), | |
1019 | (SvUTF8(*argsvp) ? SVf_UTF8 : 0) | |
1020 | | SVs_TEMP) | |
1021 | : &PL_sv_undef); | |
96ccaf53 | 1022 | XPUSHs(flgok |
92e45a3e | 1023 | ? sv_2mortal(SvREFCNT_inc_simple_NN(*flgsvp)) |
ec3bab8e | 1024 | : &PL_sv_undef); |
39f7a870 JH |
1025 | nitem += 3; |
1026 | } | |
1027 | else { | |
1028 | if (namok && argok) | |
1eb9e81d | 1029 | XPUSHs(sv_2mortal(Perl_newSVpvf(aTHX_ "%"SVf"(%"SVf")", |
be2597df | 1030 | SVfARG(*namsvp), |
1eb9e81d | 1031 | SVfARG(*argsvp)))); |
39f7a870 | 1032 | else if (namok) |
92e45a3e | 1033 | XPUSHs(sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp))); |
39f7a870 JH |
1034 | else |
1035 | XPUSHs(&PL_sv_undef); | |
1036 | nitem++; | |
1037 | if (flgok) { | |
c4420975 | 1038 | const IV flags = SvIVX(*flgsvp); |
39f7a870 JH |
1039 | |
1040 | if (flags & PERLIO_F_UTF8) { | |
84bafc02 | 1041 | XPUSHs(newSVpvs_flags("utf8", SVs_TEMP)); |
39f7a870 JH |
1042 | nitem++; |
1043 | } | |
1044 | } | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | SvREFCNT_dec(av); | |
1049 | ||
1050 | XSRETURN(nitem); | |
1051 | } | |
1052 | } | |
5fef3b4a | 1053 | #endif |
39f7a870 JH |
1054 | |
1055 | XSRETURN(0); | |
1056 | } | |
1057 | ||
9a7034eb | 1058 | XS(XS_Internals_hash_seed) |
c910b28a | 1059 | { |
97aff369 | 1060 | dVAR; |
c85d3f85 NC |
1061 | /* Using dXSARGS would also have dITEM and dSP, |
1062 | * which define 2 unused local variables. */ | |
557b887a | 1063 | dAXMARK; |
53c1dcc0 | 1064 | PERL_UNUSED_ARG(cv); |
ad73156c | 1065 | PERL_UNUSED_VAR(mark); |
81eaca17 | 1066 | XSRETURN_UV(PERL_HASH_SEED); |
c910b28a JH |
1067 | } |
1068 | ||
008fb0c0 | 1069 | XS(XS_Internals_rehash_seed) |
8e90d776 | 1070 | { |
97aff369 | 1071 | dVAR; |
8e90d776 NC |
1072 | /* Using dXSARGS would also have dITEM and dSP, |
1073 | * which define 2 unused local variables. */ | |
557b887a | 1074 | dAXMARK; |
53c1dcc0 | 1075 | PERL_UNUSED_ARG(cv); |
ad73156c | 1076 | PERL_UNUSED_VAR(mark); |
008fb0c0 | 1077 | XSRETURN_UV(PL_rehash_seed); |
8e90d776 NC |
1078 | } |
1079 | ||
05619474 NC |
1080 | XS(XS_Internals_HvREHASH) /* Subject to change */ |
1081 | { | |
97aff369 | 1082 | dVAR; |
05619474 | 1083 | dXSARGS; |
93c51217 | 1084 | PERL_UNUSED_ARG(cv); |
05619474 | 1085 | if (SvROK(ST(0))) { |
ef8f7699 | 1086 | const HV * const hv = (const HV *) SvRV(ST(0)); |
05619474 NC |
1087 | if (items == 1 && SvTYPE(hv) == SVt_PVHV) { |
1088 | if (HvREHASH(hv)) | |
1089 | XSRETURN_YES; | |
1090 | else | |
1091 | XSRETURN_NO; | |
1092 | } | |
1093 | } | |
1094 | Perl_croak(aTHX_ "Internals::HvREHASH $hashref"); | |
1095 | } | |
241d1a3b | 1096 | |
80305961 YO |
1097 | XS(XS_re_is_regexp) |
1098 | { | |
1099 | dVAR; | |
1100 | dXSARGS; | |
f7e71195 AB |
1101 | PERL_UNUSED_VAR(cv); |
1102 | ||
80305961 | 1103 | if (items != 1) |
afa74d42 | 1104 | croak_xs_usage(cv, "sv"); |
f7e71195 | 1105 | |
80305961 | 1106 | SP -= items; |
f7e71195 AB |
1107 | |
1108 | if (SvRXOK(ST(0))) { | |
1109 | XSRETURN_YES; | |
1110 | } else { | |
1111 | XSRETURN_NO; | |
80305961 YO |
1112 | } |
1113 | } | |
1114 | ||
192b9cd1 | 1115 | XS(XS_re_regnames_count) |
80305961 | 1116 | { |
192b9cd1 AB |
1117 | REGEXP *rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1118 | SV * ret; | |
80305961 YO |
1119 | dVAR; |
1120 | dXSARGS; | |
192b9cd1 AB |
1121 | |
1122 | if (items != 0) | |
afa74d42 | 1123 | croak_xs_usage(cv, ""); |
192b9cd1 AB |
1124 | |
1125 | SP -= items; | |
1126 | ||
1127 | if (!rx) | |
1128 | XSRETURN_UNDEF; | |
1129 | ||
1130 | ret = CALLREG_NAMED_BUFF_COUNT(rx); | |
1131 | ||
1132 | SPAGAIN; | |
1133 | ||
1134 | if (ret) { | |
ec83ea38 | 1135 | mXPUSHs(ret); |
192b9cd1 AB |
1136 | PUTBACK; |
1137 | return; | |
1138 | } else { | |
1139 | XSRETURN_UNDEF; | |
1140 | } | |
1141 | } | |
1142 | ||
1143 | XS(XS_re_regname) | |
1144 | { | |
1145 | dVAR; | |
1146 | dXSARGS; | |
1147 | REGEXP * rx; | |
1148 | U32 flags; | |
1149 | SV * ret; | |
1150 | ||
28d8d7f4 | 1151 | if (items < 1 || items > 2) |
afa74d42 | 1152 | croak_xs_usage(cv, "name[, all ]"); |
192b9cd1 | 1153 | |
80305961 | 1154 | SP -= items; |
80305961 | 1155 | |
192b9cd1 AB |
1156 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1157 | ||
1158 | if (!rx) | |
1159 | XSRETURN_UNDEF; | |
1160 | ||
1161 | if (items == 2 && SvTRUE(ST(1))) { | |
f1b875a0 | 1162 | flags = RXapif_ALL; |
192b9cd1 | 1163 | } else { |
f1b875a0 | 1164 | flags = RXapif_ONE; |
80305961 | 1165 | } |
f1b875a0 | 1166 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(0), (flags | RXapif_REGNAME)); |
192b9cd1 AB |
1167 | |
1168 | if (ret) { | |
ec83ea38 | 1169 | mXPUSHs(ret); |
192b9cd1 AB |
1170 | XSRETURN(1); |
1171 | } | |
1172 | XSRETURN_UNDEF; | |
80305961 YO |
1173 | } |
1174 | ||
192b9cd1 | 1175 | |
80305961 YO |
1176 | XS(XS_re_regnames) |
1177 | { | |
192b9cd1 | 1178 | dVAR; |
80305961 | 1179 | dXSARGS; |
192b9cd1 AB |
1180 | REGEXP * rx; |
1181 | U32 flags; | |
1182 | SV *ret; | |
1183 | AV *av; | |
1184 | I32 length; | |
1185 | I32 i; | |
1186 | SV **entry; | |
1187 | ||
1188 | if (items > 1) | |
afa74d42 | 1189 | croak_xs_usage(cv, "[all]"); |
192b9cd1 AB |
1190 | |
1191 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1192 | ||
1193 | if (!rx) | |
1194 | XSRETURN_UNDEF; | |
1195 | ||
1196 | if (items == 1 && SvTRUE(ST(0))) { | |
f1b875a0 | 1197 | flags = RXapif_ALL; |
192b9cd1 | 1198 | } else { |
f1b875a0 | 1199 | flags = RXapif_ONE; |
192b9cd1 AB |
1200 | } |
1201 | ||
80305961 | 1202 | SP -= items; |
80305961 | 1203 | |
f1b875a0 | 1204 | ret = CALLREG_NAMED_BUFF_ALL(rx, (flags | RXapif_REGNAMES)); |
192b9cd1 AB |
1205 | |
1206 | SPAGAIN; | |
1207 | ||
1208 | SP -= items; | |
1209 | ||
1210 | if (!ret) | |
1211 | XSRETURN_UNDEF; | |
1212 | ||
502c6561 | 1213 | av = MUTABLE_AV(SvRV(ret)); |
192b9cd1 AB |
1214 | length = av_len(av); |
1215 | ||
1216 | for (i = 0; i <= length; i++) { | |
1217 | entry = av_fetch(av, i, FALSE); | |
1218 | ||
1219 | if (!entry) | |
1220 | Perl_croak(aTHX_ "NULL array element in re::regnames()"); | |
1221 | ||
ec83ea38 | 1222 | mXPUSHs(SvREFCNT_inc_simple_NN(*entry)); |
80305961 | 1223 | } |
ec83ea38 MHM |
1224 | |
1225 | SvREFCNT_dec(ret); | |
1226 | ||
192b9cd1 AB |
1227 | PUTBACK; |
1228 | return; | |
80305961 YO |
1229 | } |
1230 | ||
192c1e27 JH |
1231 | XS(XS_re_regexp_pattern) |
1232 | { | |
1233 | dVAR; | |
1234 | dXSARGS; | |
1235 | REGEXP *re; | |
192c1e27 JH |
1236 | |
1237 | if (items != 1) | |
afa74d42 | 1238 | croak_xs_usage(cv, "sv"); |
192c1e27 JH |
1239 | |
1240 | SP -= items; | |
1241 | ||
1242 | /* | |
1243 | Checks if a reference is a regex or not. If the parameter is | |
1244 | not a ref, or is not the result of a qr// then returns false | |
1245 | in scalar context and an empty list in list context. | |
1246 | Otherwise in list context it returns the pattern and the | |
1247 | modifiers, in scalar context it returns the pattern just as it | |
1248 | would if the qr// was stringified normally, regardless as | |
1249 | to the class of the variable and any strigification overloads | |
1250 | on the object. | |
1251 | */ | |
1252 | ||
1253 | if ((re = SvRX(ST(0)))) /* assign deliberate */ | |
1254 | { | |
1255 | /* Housten, we have a regex! */ | |
1256 | SV *pattern; | |
1257 | STRLEN left = 0; | |
1258 | char reflags[6]; | |
1259 | ||
1260 | if ( GIMME_V == G_ARRAY ) { | |
1261 | /* | |
1262 | we are in list context so stringify | |
1263 | the modifiers that apply. We ignore "negative | |
1264 | modifiers" in this scenario. | |
1265 | */ | |
1266 | ||
1267 | const char *fptr = INT_PAT_MODS; | |
1268 | char ch; | |
1269 | U16 match_flags = (U16)((RX_EXTFLAGS(re) & PMf_COMPILETIME) | |
1270 | >> RXf_PMf_STD_PMMOD_SHIFT); | |
1271 | ||
1272 | while((ch = *fptr++)) { | |
1273 | if(match_flags & 1) { | |
1274 | reflags[left++] = ch; | |
1275 | } | |
1276 | match_flags >>= 1; | |
1277 | } | |
1278 | ||
fb632ce3 NC |
1279 | pattern = newSVpvn_flags(RX_PRECOMP(re),RX_PRELEN(re), |
1280 | (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP); | |
192c1e27 JH |
1281 | |
1282 | /* return the pattern and the modifiers */ | |
1283 | XPUSHs(pattern); | |
fb632ce3 | 1284 | XPUSHs(newSVpvn_flags(reflags, left, SVs_TEMP)); |
192c1e27 JH |
1285 | XSRETURN(2); |
1286 | } else { | |
1287 | /* Scalar, so use the string that Perl would return */ | |
1288 | /* return the pattern in (?msix:..) format */ | |
1289 | #if PERL_VERSION >= 11 | |
daba3364 | 1290 | pattern = sv_2mortal(newSVsv(MUTABLE_SV(re))); |
192c1e27 | 1291 | #else |
fb632ce3 NC |
1292 | pattern = newSVpvn_flags(RX_WRAPPED(re), RX_WRAPLEN(re), |
1293 | (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP); | |
192c1e27 JH |
1294 | #endif |
1295 | XPUSHs(pattern); | |
1296 | XSRETURN(1); | |
1297 | } | |
1298 | } else { | |
1299 | /* It ain't a regexp folks */ | |
1300 | if ( GIMME_V == G_ARRAY ) { | |
1301 | /* return the empty list */ | |
1302 | XSRETURN_UNDEF; | |
1303 | } else { | |
1304 | /* Because of the (?:..) wrapping involved in a | |
1305 | stringified pattern it is impossible to get a | |
1306 | result for a real regexp that would evaluate to | |
1307 | false. Therefore we can return PL_sv_no to signify | |
1308 | that the object is not a regex, this means that one | |
1309 | can say | |
1310 | ||
1311 | if (regex($might_be_a_regex) eq '(?:foo)') { } | |
1312 | ||
1313 | and not worry about undefined values. | |
1314 | */ | |
1315 | XSRETURN_NO; | |
1316 | } | |
1317 | } | |
1318 | /* NOT-REACHED */ | |
1319 | } | |
1320 | ||
192b9cd1 | 1321 | XS(XS_Tie_Hash_NamedCapture_FETCH) |
80305961 | 1322 | { |
192b9cd1 | 1323 | dVAR; |
80305961 | 1324 | dXSARGS; |
192b9cd1 AB |
1325 | REGEXP * rx; |
1326 | U32 flags; | |
1327 | SV * ret; | |
1328 | ||
1329 | if (items != 2) | |
afa74d42 | 1330 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 AB |
1331 | |
1332 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1333 | ||
1334 | if (!rx) | |
1335 | XSRETURN_UNDEF; | |
1336 | ||
80305961 | 1337 | SP -= items; |
192b9cd1 | 1338 | |
daba3364 | 1339 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1340 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(1), flags); |
1341 | ||
1342 | SPAGAIN; | |
1343 | ||
1344 | if (ret) { | |
ec83ea38 | 1345 | mXPUSHs(ret); |
192b9cd1 AB |
1346 | PUTBACK; |
1347 | return; | |
1348 | } | |
1349 | XSRETURN_UNDEF; | |
1350 | } | |
1351 | ||
1352 | XS(XS_Tie_Hash_NamedCapture_STORE) | |
1353 | { | |
1354 | dVAR; | |
1355 | dXSARGS; | |
1356 | REGEXP * rx; | |
1357 | U32 flags; | |
1358 | ||
1359 | if (items != 3) | |
afa74d42 | 1360 | croak_xs_usage(cv, "$key, $value, $flags"); |
192b9cd1 AB |
1361 | |
1362 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1363 | ||
1364 | if (!rx) { | |
1365 | if (!PL_localizing) | |
f1f66076 | 1366 | Perl_croak(aTHX_ "%s", PL_no_modify); |
192b9cd1 | 1367 | else |
28d8d7f4 | 1368 | XSRETURN_UNDEF; |
80305961 | 1369 | } |
192b9cd1 AB |
1370 | |
1371 | SP -= items; | |
1372 | ||
daba3364 | 1373 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 | 1374 | CALLREG_NAMED_BUFF_STORE(rx,ST(1), ST(2), flags); |
80305961 YO |
1375 | } |
1376 | ||
192b9cd1 AB |
1377 | XS(XS_Tie_Hash_NamedCapture_DELETE) |
1378 | { | |
1379 | dVAR; | |
1380 | dXSARGS; | |
1381 | REGEXP * rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1382 | U32 flags; | |
80305961 | 1383 | |
192b9cd1 | 1384 | if (items != 2) |
afa74d42 | 1385 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 AB |
1386 | |
1387 | if (!rx) | |
f1f66076 | 1388 | Perl_croak(aTHX_ "%s", PL_no_modify); |
192b9cd1 AB |
1389 | |
1390 | SP -= items; | |
1391 | ||
daba3364 | 1392 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1393 | CALLREG_NAMED_BUFF_DELETE(rx, ST(1), flags); |
1394 | } | |
1395 | ||
1396 | XS(XS_Tie_Hash_NamedCapture_CLEAR) | |
80305961 | 1397 | { |
192b9cd1 | 1398 | dVAR; |
80305961 | 1399 | dXSARGS; |
192b9cd1 AB |
1400 | REGEXP * rx; |
1401 | U32 flags; | |
1402 | ||
1403 | if (items != 1) | |
afa74d42 | 1404 | croak_xs_usage(cv, "$flags"); |
192b9cd1 AB |
1405 | |
1406 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1407 | ||
1408 | if (!rx) | |
f1f66076 | 1409 | Perl_croak(aTHX_ "%s", PL_no_modify); |
192b9cd1 | 1410 | |
80305961 | 1411 | SP -= items; |
80305961 | 1412 | |
daba3364 | 1413 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1414 | CALLREG_NAMED_BUFF_CLEAR(rx, flags); |
1415 | } | |
1416 | ||
1417 | XS(XS_Tie_Hash_NamedCapture_EXISTS) | |
1418 | { | |
1419 | dVAR; | |
1420 | dXSARGS; | |
1421 | REGEXP * rx; | |
1422 | U32 flags; | |
1423 | SV * ret; | |
1424 | ||
1425 | if (items != 2) | |
afa74d42 | 1426 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 AB |
1427 | |
1428 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1429 | ||
1430 | if (!rx) | |
28d8d7f4 | 1431 | XSRETURN_UNDEF; |
192b9cd1 AB |
1432 | |
1433 | SP -= items; | |
1434 | ||
daba3364 | 1435 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1436 | ret = CALLREG_NAMED_BUFF_EXISTS(rx, ST(1), flags); |
1437 | ||
1438 | SPAGAIN; | |
1439 | ||
1440 | XPUSHs(ret); | |
80305961 YO |
1441 | PUTBACK; |
1442 | return; | |
80305961 YO |
1443 | } |
1444 | ||
86aa3d53 | 1445 | XS(XS_Tie_Hash_NamedCapture_FIRSTK) |
192b9cd1 AB |
1446 | { |
1447 | dVAR; | |
1448 | dXSARGS; | |
1449 | REGEXP * rx; | |
1450 | U32 flags; | |
1451 | SV * ret; | |
80305961 | 1452 | |
192b9cd1 | 1453 | if (items != 1) |
afa74d42 | 1454 | croak_xs_usage(cv, ""); |
192b9cd1 AB |
1455 | |
1456 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1457 | ||
1458 | if (!rx) | |
1459 | XSRETURN_UNDEF; | |
1460 | ||
1461 | SP -= items; | |
1462 | ||
daba3364 | 1463 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1464 | ret = CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags); |
1465 | ||
1466 | SPAGAIN; | |
1467 | ||
1468 | if (ret) { | |
ec83ea38 | 1469 | mXPUSHs(ret); |
192b9cd1 AB |
1470 | PUTBACK; |
1471 | } else { | |
1472 | XSRETURN_UNDEF; | |
1473 | } | |
1474 | ||
1475 | } | |
1476 | ||
86aa3d53 | 1477 | XS(XS_Tie_Hash_NamedCapture_NEXTK) |
80305961 | 1478 | { |
192b9cd1 | 1479 | dVAR; |
80305961 | 1480 | dXSARGS; |
192b9cd1 AB |
1481 | REGEXP * rx; |
1482 | U32 flags; | |
1483 | SV * ret; | |
1484 | ||
1485 | if (items != 2) | |
afa74d42 | 1486 | croak_xs_usage(cv, "$lastkey"); |
192b9cd1 AB |
1487 | |
1488 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1489 | ||
1490 | if (!rx) | |
1491 | XSRETURN_UNDEF; | |
80305961 | 1492 | |
80305961 | 1493 | SP -= items; |
192b9cd1 | 1494 | |
daba3364 | 1495 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1496 | ret = CALLREG_NAMED_BUFF_NEXTKEY(rx, ST(1), flags); |
1497 | ||
1498 | SPAGAIN; | |
1499 | ||
1500 | if (ret) { | |
ec83ea38 | 1501 | mXPUSHs(ret); |
80305961 YO |
1502 | } else { |
1503 | XSRETURN_UNDEF; | |
1504 | } | |
1505 | PUTBACK; | |
192b9cd1 AB |
1506 | } |
1507 | ||
1508 | XS(XS_Tie_Hash_NamedCapture_SCALAR) | |
1509 | { | |
1510 | dVAR; | |
1511 | dXSARGS; | |
1512 | REGEXP * rx; | |
1513 | U32 flags; | |
1514 | SV * ret; | |
1515 | ||
1516 | if (items != 1) | |
afa74d42 | 1517 | croak_xs_usage(cv, ""); |
192b9cd1 AB |
1518 | |
1519 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1520 | ||
1521 | if (!rx) | |
1522 | XSRETURN_UNDEF; | |
1523 | ||
1524 | SP -= items; | |
1525 | ||
daba3364 | 1526 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1527 | ret = CALLREG_NAMED_BUFF_SCALAR(rx, flags); |
1528 | ||
1529 | SPAGAIN; | |
1530 | ||
1531 | if (ret) { | |
ec83ea38 | 1532 | mXPUSHs(ret); |
192b9cd1 AB |
1533 | PUTBACK; |
1534 | return; | |
1535 | } else { | |
1536 | XSRETURN_UNDEF; | |
1537 | } | |
1538 | } | |
1539 | ||
1540 | XS(XS_Tie_Hash_NamedCapture_flags) | |
1541 | { | |
1542 | dVAR; | |
1543 | dXSARGS; | |
1544 | ||
1545 | if (items != 0) | |
afa74d42 | 1546 | croak_xs_usage(cv, ""); |
192b9cd1 | 1547 | |
6e449a3a MHM |
1548 | mXPUSHu(RXapif_ONE); |
1549 | mXPUSHu(RXapif_ALL); | |
192b9cd1 AB |
1550 | PUTBACK; |
1551 | return; | |
80305961 YO |
1552 | } |
1553 | ||
1554 | ||
241d1a3b NC |
1555 | /* |
1556 | * Local variables: | |
1557 | * c-indentation-style: bsd | |
1558 | * c-basic-offset: 4 | |
1559 | * indent-tabs-mode: t | |
1560 | * End: | |
1561 | * | |
37442d52 RGS |
1562 | * ex: set ts=8 sts=4 sw=4 noet: |
1563 | */ |