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); |
f941e658 | 224 | XS(XS_version_is_qv); |
8800c35a | 225 | XS(XS_utf8_is_utf8); |
1b026014 NIS |
226 | XS(XS_utf8_valid); |
227 | XS(XS_utf8_encode); | |
228 | XS(XS_utf8_decode); | |
229 | XS(XS_utf8_upgrade); | |
230 | XS(XS_utf8_downgrade); | |
231 | XS(XS_utf8_unicode_to_native); | |
232 | XS(XS_utf8_native_to_unicode); | |
29569577 JH |
233 | XS(XS_Internals_SvREADONLY); |
234 | XS(XS_Internals_SvREFCNT); | |
f044d0d1 | 235 | XS(XS_Internals_hv_clear_placehold); |
39f7a870 | 236 | XS(XS_PerlIO_get_layers); |
9a7034eb | 237 | XS(XS_Internals_hash_seed); |
008fb0c0 | 238 | XS(XS_Internals_rehash_seed); |
05619474 | 239 | XS(XS_Internals_HvREHASH); |
80305961 | 240 | XS(XS_re_is_regexp); |
192b9cd1 AB |
241 | XS(XS_re_regname); |
242 | XS(XS_re_regnames); | |
80305961 | 243 | XS(XS_re_regnames_count); |
192c1e27 | 244 | XS(XS_re_regexp_pattern); |
192b9cd1 AB |
245 | XS(XS_Tie_Hash_NamedCapture_FETCH); |
246 | XS(XS_Tie_Hash_NamedCapture_STORE); | |
247 | XS(XS_Tie_Hash_NamedCapture_DELETE); | |
248 | XS(XS_Tie_Hash_NamedCapture_CLEAR); | |
249 | XS(XS_Tie_Hash_NamedCapture_EXISTS); | |
86aa3d53 CB |
250 | XS(XS_Tie_Hash_NamedCapture_FIRSTK); |
251 | XS(XS_Tie_Hash_NamedCapture_NEXTK); | |
192b9cd1 AB |
252 | XS(XS_Tie_Hash_NamedCapture_SCALAR); |
253 | XS(XS_Tie_Hash_NamedCapture_flags); | |
0cb96387 GS |
254 | |
255 | void | |
256 | Perl_boot_core_UNIVERSAL(pTHX) | |
257 | { | |
97aff369 | 258 | dVAR; |
157e3fc8 | 259 | static const char file[] = __FILE__; |
0cb96387 GS |
260 | |
261 | newXS("UNIVERSAL::isa", XS_UNIVERSAL_isa, file); | |
262 | newXS("UNIVERSAL::can", XS_UNIVERSAL_can, file); | |
cbc021f9 | 263 | newXS("UNIVERSAL::DOES", XS_UNIVERSAL_DOES, file); |
0cb96387 | 264 | newXS("UNIVERSAL::VERSION", XS_UNIVERSAL_VERSION, file); |
439cb1c4 | 265 | { |
ad63d80f JP |
266 | /* register the overloading (type 'A') magic */ |
267 | PL_amagic_generation++; | |
439cb1c4 | 268 | /* Make it findable via fetchmethod */ |
be2ebcad | 269 | newXS("version::()", XS_version_noop, file); |
439cb1c4 | 270 | newXS("version::new", XS_version_new, file); |
f941e658 | 271 | newXS("version::parse", XS_version_new, file); |
439cb1c4 JP |
272 | newXS("version::(\"\"", XS_version_stringify, file); |
273 | newXS("version::stringify", XS_version_stringify, file); | |
274 | newXS("version::(0+", XS_version_numify, file); | |
275 | newXS("version::numify", XS_version_numify, file); | |
9137345a | 276 | newXS("version::normal", XS_version_normal, file); |
439cb1c4 JP |
277 | newXS("version::(cmp", XS_version_vcmp, file); |
278 | newXS("version::(<=>", XS_version_vcmp, file); | |
279 | newXS("version::vcmp", XS_version_vcmp, file); | |
280 | newXS("version::(bool", XS_version_boolean, file); | |
281 | newXS("version::boolean", XS_version_boolean, file); | |
282 | newXS("version::(nomethod", XS_version_noop, file); | |
283 | newXS("version::noop", XS_version_noop, file); | |
c8d69e4a | 284 | newXS("version::is_alpha", XS_version_is_alpha, file); |
137d6fc0 | 285 | newXS("version::qv", XS_version_qv, file); |
f941e658 JP |
286 | newXS("version::declare", XS_version_qv, file); |
287 | newXS("version::is_qv", XS_version_is_qv, file); | |
439cb1c4 | 288 | } |
8800c35a | 289 | newXS("utf8::is_utf8", XS_utf8_is_utf8, file); |
1b026014 NIS |
290 | newXS("utf8::valid", XS_utf8_valid, file); |
291 | newXS("utf8::encode", XS_utf8_encode, file); | |
292 | newXS("utf8::decode", XS_utf8_decode, file); | |
293 | newXS("utf8::upgrade", XS_utf8_upgrade, file); | |
294 | newXS("utf8::downgrade", XS_utf8_downgrade, file); | |
295 | newXS("utf8::native_to_unicode", XS_utf8_native_to_unicode, file); | |
296 | newXS("utf8::unicode_to_native", XS_utf8_unicode_to_native, file); | |
29569577 JH |
297 | newXSproto("Internals::SvREADONLY",XS_Internals_SvREADONLY, file, "\\[$%@];$"); |
298 | newXSproto("Internals::SvREFCNT",XS_Internals_SvREFCNT, file, "\\[$%@];$"); | |
dfd4ef2f | 299 | newXSproto("Internals::hv_clear_placeholders", |
f044d0d1 | 300 | XS_Internals_hv_clear_placehold, file, "\\%"); |
9d569fce JH |
301 | newXSproto("PerlIO::get_layers", |
302 | XS_PerlIO_get_layers, file, "*;@"); | |
85a79b09 | 303 | /* Providing a Regexp::DESTROY fixes #21347. See test in t/op/ref.t */ |
d5cecc0e NC |
304 | CvFILE(newCONSTSUB(get_hv("Regexp::", GV_ADD), "DESTROY", NULL)) |
305 | = (char *)file; | |
9a7034eb | 306 | newXSproto("Internals::hash_seed",XS_Internals_hash_seed, file, ""); |
008fb0c0 | 307 | newXSproto("Internals::rehash_seed",XS_Internals_rehash_seed, file, ""); |
05619474 | 308 | newXSproto("Internals::HvREHASH", XS_Internals_HvREHASH, file, "\\%"); |
80305961 | 309 | newXSproto("re::is_regexp", XS_re_is_regexp, file, "$"); |
28d8d7f4 YO |
310 | newXSproto("re::regname", XS_re_regname, file, ";$$"); |
311 | newXSproto("re::regnames", XS_re_regnames, file, ";$"); | |
28d8d7f4 | 312 | newXSproto("re::regnames_count", XS_re_regnames_count, file, ""); |
192c1e27 | 313 | newXSproto("re::regexp_pattern", XS_re_regexp_pattern, file, "$"); |
192b9cd1 AB |
314 | newXS("Tie::Hash::NamedCapture::FETCH", XS_Tie_Hash_NamedCapture_FETCH, file); |
315 | newXS("Tie::Hash::NamedCapture::STORE", XS_Tie_Hash_NamedCapture_STORE, file); | |
316 | newXS("Tie::Hash::NamedCapture::DELETE", XS_Tie_Hash_NamedCapture_DELETE, file); | |
317 | newXS("Tie::Hash::NamedCapture::CLEAR", XS_Tie_Hash_NamedCapture_CLEAR, file); | |
318 | newXS("Tie::Hash::NamedCapture::EXISTS", XS_Tie_Hash_NamedCapture_EXISTS, file); | |
86aa3d53 CB |
319 | newXS("Tie::Hash::NamedCapture::FIRSTKEY", XS_Tie_Hash_NamedCapture_FIRSTK, file); |
320 | newXS("Tie::Hash::NamedCapture::NEXTKEY", XS_Tie_Hash_NamedCapture_NEXTK, file); | |
192b9cd1 AB |
321 | newXS("Tie::Hash::NamedCapture::SCALAR", XS_Tie_Hash_NamedCapture_SCALAR, file); |
322 | newXS("Tie::Hash::NamedCapture::flags", XS_Tie_Hash_NamedCapture_flags, file); | |
0cb96387 GS |
323 | } |
324 | ||
afa74d42 NC |
325 | /* |
326 | =for apidoc croak_xs_usage | |
327 | ||
328 | A specialised variant of C<croak()> for emitting the usage message for xsubs | |
329 | ||
330 | croak_xs_usage(cv, "eee_yow"); | |
331 | ||
332 | works out the package name and subroutine name from C<cv>, and then calls | |
333 | C<croak()>. Hence if C<cv> is C<&ouch::awk>, it would call C<croak> as: | |
334 | ||
335 | Perl_croak(aTHX_ "Usage %s::%s(%s)", "ouch" "awk", "eee_yow"); | |
336 | ||
337 | =cut | |
338 | */ | |
339 | ||
340 | void | |
341 | Perl_croak_xs_usage(pTHX_ const CV *const cv, const char *const params) | |
342 | { | |
343 | const GV *const gv = CvGV(cv); | |
344 | ||
345 | PERL_ARGS_ASSERT_CROAK_XS_USAGE; | |
346 | ||
347 | if (gv) { | |
348 | const char *const gvname = GvNAME(gv); | |
349 | const HV *const stash = GvSTASH(gv); | |
350 | const char *const hvname = stash ? HvNAME_get(stash) : NULL; | |
351 | ||
352 | if (hvname) | |
353 | Perl_croak(aTHX_ "Usage: %s::%s(%s)", hvname, gvname, params); | |
354 | else | |
355 | Perl_croak(aTHX_ "Usage: %s(%s)", gvname, params); | |
356 | } else { | |
357 | /* Pants. I don't think that it should be possible to get here. */ | |
93c51217 | 358 | Perl_croak(aTHX_ "Usage: CODE(0x%"UVxf")(%s)", PTR2UV(cv), params); |
afa74d42 NC |
359 | } |
360 | } | |
55497cff | 361 | |
6d4a7be2 | 362 | XS(XS_UNIVERSAL_isa) |
363 | { | |
97aff369 | 364 | dVAR; |
6d4a7be2 | 365 | dXSARGS; |
6d4a7be2 | 366 | |
367 | if (items != 2) | |
afa74d42 | 368 | croak_xs_usage(cv, "reference, kind"); |
c4420975 AL |
369 | else { |
370 | SV * const sv = ST(0); | |
371 | const char *name; | |
6d4a7be2 | 372 | |
c4420975 | 373 | SvGETMAGIC(sv); |
d3f7f2b2 | 374 | |
c4420975 AL |
375 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
376 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) | |
377 | XSRETURN_UNDEF; | |
f8f70380 | 378 | |
c4420975 | 379 | name = SvPV_nolen_const(ST(1)); |
6d4a7be2 | 380 | |
c4420975 AL |
381 | ST(0) = boolSV(sv_derived_from(sv, name)); |
382 | XSRETURN(1); | |
383 | } | |
6d4a7be2 | 384 | } |
385 | ||
6d4a7be2 | 386 | XS(XS_UNIVERSAL_can) |
387 | { | |
97aff369 | 388 | dVAR; |
6d4a7be2 | 389 | dXSARGS; |
390 | SV *sv; | |
6867be6d | 391 | const char *name; |
6d4a7be2 | 392 | SV *rv; |
6f08146e | 393 | HV *pkg = NULL; |
6d4a7be2 | 394 | |
395 | if (items != 2) | |
afa74d42 | 396 | croak_xs_usage(cv, "object-ref, method"); |
6d4a7be2 | 397 | |
398 | sv = ST(0); | |
f8f70380 | 399 | |
5b295bef | 400 | SvGETMAGIC(sv); |
d3f7f2b2 | 401 | |
253ecd6d RGS |
402 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
403 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) | |
f8f70380 GS |
404 | XSRETURN_UNDEF; |
405 | ||
0510663f | 406 | name = SvPV_nolen_const(ST(1)); |
3280af22 | 407 | rv = &PL_sv_undef; |
6d4a7be2 | 408 | |
46e4b22b | 409 | if (SvROK(sv)) { |
daba3364 | 410 | sv = MUTABLE_SV(SvRV(sv)); |
46e4b22b | 411 | if (SvOBJECT(sv)) |
6f08146e NIS |
412 | pkg = SvSTASH(sv); |
413 | } | |
414 | else { | |
da51bb9b | 415 | pkg = gv_stashsv(sv, 0); |
6f08146e NIS |
416 | } |
417 | ||
418 | if (pkg) { | |
c4420975 | 419 | GV * const gv = gv_fetchmethod_autoload(pkg, name, FALSE); |
dc848c6f | 420 | if (gv && isGV(gv)) |
daba3364 | 421 | rv = sv_2mortal(newRV(MUTABLE_SV(GvCV(gv)))); |
6d4a7be2 | 422 | } |
423 | ||
424 | ST(0) = rv; | |
425 | XSRETURN(1); | |
426 | } | |
427 | ||
cbc021f9 | 428 | XS(XS_UNIVERSAL_DOES) |
429 | { | |
430 | dVAR; | |
431 | dXSARGS; | |
58c0efa5 | 432 | PERL_UNUSED_ARG(cv); |
cbc021f9 | 433 | |
434 | if (items != 2) | |
26be3db7 | 435 | Perl_croak(aTHX_ "Usage: invocant->DOES(kind)"); |
cbc021f9 | 436 | else { |
437 | SV * const sv = ST(0); | |
438 | const char *name; | |
439 | ||
440 | name = SvPV_nolen_const(ST(1)); | |
441 | if (sv_does( sv, name )) | |
442 | XSRETURN_YES; | |
443 | ||
444 | XSRETURN_NO; | |
445 | } | |
446 | } | |
447 | ||
6d4a7be2 | 448 | XS(XS_UNIVERSAL_VERSION) |
449 | { | |
97aff369 | 450 | dVAR; |
6d4a7be2 | 451 | dXSARGS; |
452 | HV *pkg; | |
453 | GV **gvp; | |
454 | GV *gv; | |
455 | SV *sv; | |
e1ec3a88 | 456 | const char *undef; |
58c0efa5 | 457 | PERL_UNUSED_ARG(cv); |
6d4a7be2 | 458 | |
1571675a | 459 | if (SvROK(ST(0))) { |
daba3364 | 460 | sv = MUTABLE_SV(SvRV(ST(0))); |
1571675a | 461 | if (!SvOBJECT(sv)) |
cea2e8a9 | 462 | Perl_croak(aTHX_ "Cannot find version of an unblessed reference"); |
6d4a7be2 | 463 | pkg = SvSTASH(sv); |
464 | } | |
465 | else { | |
da51bb9b | 466 | pkg = gv_stashsv(ST(0), 0); |
6d4a7be2 | 467 | } |
468 | ||
4608196e | 469 | gvp = pkg ? (GV**)hv_fetchs(pkg, "VERSION", FALSE) : NULL; |
6d4a7be2 | 470 | |
0008872a | 471 | if (gvp && isGV(gv = *gvp) && (sv = GvSV(gv)) && SvOK(sv)) { |
c4420975 | 472 | SV * const nsv = sv_newmortal(); |
6d4a7be2 | 473 | sv_setsv(nsv, sv); |
474 | sv = nsv; | |
137d6fc0 | 475 | if ( !sv_derived_from(sv, "version")) |
ac0e6a2f | 476 | upg_version(sv, FALSE); |
c445ea15 | 477 | undef = NULL; |
6d4a7be2 | 478 | } |
479 | else { | |
daba3364 | 480 | sv = &PL_sv_undef; |
6d4a7be2 | 481 | undef = "(undef)"; |
482 | } | |
483 | ||
1571675a | 484 | if (items > 1) { |
1571675a GS |
485 | SV *req = ST(1); |
486 | ||
62658f4d | 487 | if (undef) { |
bfcb3514 | 488 | if (pkg) { |
c4420975 | 489 | const char * const name = HvNAME_get(pkg); |
a3b680e6 | 490 | Perl_croak(aTHX_ |
bfcb3514 NC |
491 | "%s does not define $%s::VERSION--version check failed", |
492 | name, name); | |
493 | } else { | |
a3b680e6 AL |
494 | Perl_croak(aTHX_ |
495 | "%s defines neither package nor VERSION--version check failed", | |
0510663f | 496 | SvPVx_nolen_const(ST(0)) ); |
62658f4d PM |
497 | } |
498 | } | |
ad63d80f | 499 | |
137d6fc0 JP |
500 | if ( !sv_derived_from(req, "version")) { |
501 | /* req may very well be R/O, so create a new object */ | |
ac0e6a2f | 502 | req = sv_2mortal( new_version(req) ); |
137d6fc0 | 503 | } |
1571675a | 504 | |
ac0e6a2f | 505 | if ( vcmp( req, sv ) > 0 ) { |
ef8f7699 | 506 | if ( hv_exists(MUTABLE_HV(SvRV(req)), "qv", 2 ) ) { |
ac0e6a2f RGS |
507 | Perl_croak(aTHX_ "%s version %"SVf" required--" |
508 | "this is only version %"SVf"", HvNAME_get(pkg), | |
be2597df | 509 | SVfARG(vnormal(req)), |
be2597df | 510 | SVfARG(vnormal(sv))); |
ac0e6a2f RGS |
511 | } else { |
512 | Perl_croak(aTHX_ "%s version %"SVf" required--" | |
513 | "this is only version %"SVf"", HvNAME_get(pkg), | |
8cb289bd RGS |
514 | SVfARG(vstringify(req)), |
515 | SVfARG(vstringify(sv))); | |
ac0e6a2f RGS |
516 | } |
517 | } | |
518 | ||
2d8e6c8d | 519 | } |
6d4a7be2 | 520 | |
2b140d5b | 521 | if ( SvOK(sv) && sv_derived_from(sv, "version") ) { |
8cb289bd | 522 | ST(0) = vstringify(sv); |
13f8f398 JP |
523 | } else { |
524 | ST(0) = sv; | |
b38a9dc5 | 525 | } |
6d4a7be2 | 526 | |
527 | XSRETURN(1); | |
528 | } | |
529 | ||
439cb1c4 JP |
530 | XS(XS_version_new) |
531 | { | |
97aff369 | 532 | dVAR; |
439cb1c4 | 533 | dXSARGS; |
129318bd | 534 | if (items > 3) |
afa74d42 | 535 | croak_xs_usage(cv, "class, version"); |
439cb1c4 JP |
536 | SP -= items; |
537 | { | |
137d6fc0 JP |
538 | SV *vs = ST(1); |
539 | SV *rv; | |
c4420975 AL |
540 | const char * const classname = |
541 | sv_isobject(ST(0)) /* get the class if called as an object method */ | |
542 | ? HvNAME(SvSTASH(SvRV(ST(0)))) | |
543 | : (char *)SvPV_nolen(ST(0)); | |
9137345a | 544 | |
92dcf8ce JP |
545 | if ( items == 1 || vs == &PL_sv_undef ) { /* no param or explicit undef */ |
546 | /* create empty object */ | |
547 | vs = sv_newmortal(); | |
76f68e9b | 548 | sv_setpvs(vs,""); |
9137345a JP |
549 | } |
550 | else if ( items == 3 ) { | |
551 | vs = sv_newmortal(); | |
cfd0369c | 552 | Perl_sv_setpvf(aTHX_ vs,"v%s",SvPV_nolen_const(ST(2))); |
129318bd | 553 | } |
439cb1c4 | 554 | |
137d6fc0 | 555 | rv = new_version(vs); |
0723351e | 556 | if ( strcmp(classname,"version") != 0 ) /* inherited new() */ |
da51bb9b | 557 | sv_bless(rv, gv_stashpv(classname, GV_ADD)); |
137d6fc0 | 558 | |
6e449a3a | 559 | mPUSHs(rv); |
439cb1c4 JP |
560 | PUTBACK; |
561 | return; | |
562 | } | |
563 | } | |
564 | ||
565 | XS(XS_version_stringify) | |
566 | { | |
97aff369 | 567 | dVAR; |
41be1fbd JH |
568 | dXSARGS; |
569 | if (items < 1) | |
afa74d42 | 570 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd JH |
571 | SP -= items; |
572 | { | |
7452cf6a | 573 | SV * lobj; |
41be1fbd JH |
574 | |
575 | if (sv_derived_from(ST(0), "version")) { | |
9137345a | 576 | lobj = SvRV(ST(0)); |
41be1fbd JH |
577 | } |
578 | else | |
579 | Perl_croak(aTHX_ "lobj is not of type version"); | |
580 | ||
6e449a3a | 581 | mPUSHs(vstringify(lobj)); |
41be1fbd JH |
582 | |
583 | PUTBACK; | |
584 | return; | |
585 | } | |
439cb1c4 JP |
586 | } |
587 | ||
588 | XS(XS_version_numify) | |
589 | { | |
97aff369 | 590 | dVAR; |
41be1fbd JH |
591 | dXSARGS; |
592 | if (items < 1) | |
afa74d42 | 593 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd JH |
594 | SP -= items; |
595 | { | |
7452cf6a | 596 | SV * lobj; |
41be1fbd JH |
597 | |
598 | if (sv_derived_from(ST(0), "version")) { | |
9137345a | 599 | lobj = SvRV(ST(0)); |
41be1fbd JH |
600 | } |
601 | else | |
602 | Perl_croak(aTHX_ "lobj is not of type version"); | |
603 | ||
6e449a3a | 604 | mPUSHs(vnumify(lobj)); |
41be1fbd JH |
605 | |
606 | PUTBACK; | |
607 | return; | |
608 | } | |
439cb1c4 JP |
609 | } |
610 | ||
9137345a JP |
611 | XS(XS_version_normal) |
612 | { | |
97aff369 | 613 | dVAR; |
9137345a JP |
614 | dXSARGS; |
615 | if (items < 1) | |
afa74d42 | 616 | croak_xs_usage(cv, "lobj, ..."); |
9137345a JP |
617 | SP -= items; |
618 | { | |
7452cf6a | 619 | SV * lobj; |
9137345a JP |
620 | |
621 | if (sv_derived_from(ST(0), "version")) { | |
622 | lobj = SvRV(ST(0)); | |
623 | } | |
624 | else | |
625 | Perl_croak(aTHX_ "lobj is not of type version"); | |
626 | ||
6e449a3a | 627 | mPUSHs(vnormal(lobj)); |
9137345a JP |
628 | |
629 | PUTBACK; | |
630 | return; | |
631 | } | |
632 | } | |
633 | ||
439cb1c4 JP |
634 | XS(XS_version_vcmp) |
635 | { | |
97aff369 | 636 | dVAR; |
41be1fbd JH |
637 | dXSARGS; |
638 | if (items < 1) | |
afa74d42 | 639 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd JH |
640 | SP -= items; |
641 | { | |
7452cf6a | 642 | SV * lobj; |
41be1fbd JH |
643 | |
644 | if (sv_derived_from(ST(0), "version")) { | |
9137345a | 645 | lobj = SvRV(ST(0)); |
41be1fbd JH |
646 | } |
647 | else | |
648 | Perl_croak(aTHX_ "lobj is not of type version"); | |
649 | ||
650 | { | |
651 | SV *rs; | |
652 | SV *rvs; | |
653 | SV * robj = ST(1); | |
7452cf6a | 654 | const IV swap = (IV)SvIV(ST(2)); |
41be1fbd JH |
655 | |
656 | if ( ! sv_derived_from(robj, "version") ) | |
657 | { | |
658 | robj = new_version(robj); | |
659 | } | |
660 | rvs = SvRV(robj); | |
661 | ||
662 | if ( swap ) | |
663 | { | |
664 | rs = newSViv(vcmp(rvs,lobj)); | |
665 | } | |
666 | else | |
667 | { | |
668 | rs = newSViv(vcmp(lobj,rvs)); | |
669 | } | |
670 | ||
6e449a3a | 671 | mPUSHs(rs); |
41be1fbd JH |
672 | } |
673 | ||
674 | PUTBACK; | |
675 | return; | |
676 | } | |
439cb1c4 JP |
677 | } |
678 | ||
679 | XS(XS_version_boolean) | |
680 | { | |
97aff369 JH |
681 | dVAR; |
682 | dXSARGS; | |
683 | if (items < 1) | |
afa74d42 | 684 | croak_xs_usage(cv, "lobj, ..."); |
97aff369 | 685 | SP -= items; |
c4420975 AL |
686 | if (sv_derived_from(ST(0), "version")) { |
687 | SV * const lobj = SvRV(ST(0)); | |
396482e1 | 688 | SV * const rs = newSViv( vcmp(lobj,new_version(newSVpvs("0"))) ); |
6e449a3a | 689 | mPUSHs(rs); |
c4420975 AL |
690 | PUTBACK; |
691 | return; | |
692 | } | |
693 | else | |
694 | Perl_croak(aTHX_ "lobj is not of type version"); | |
439cb1c4 JP |
695 | } |
696 | ||
697 | XS(XS_version_noop) | |
698 | { | |
97aff369 | 699 | dVAR; |
2dfd8427 AL |
700 | dXSARGS; |
701 | if (items < 1) | |
afa74d42 | 702 | croak_xs_usage(cv, "lobj, ..."); |
2dfd8427 AL |
703 | if (sv_derived_from(ST(0), "version")) |
704 | Perl_croak(aTHX_ "operation not supported with version object"); | |
705 | else | |
706 | Perl_croak(aTHX_ "lobj is not of type version"); | |
707 | #ifndef HASATTRIBUTE_NORETURN | |
708 | XSRETURN_EMPTY; | |
709 | #endif | |
439cb1c4 JP |
710 | } |
711 | ||
c8d69e4a JP |
712 | XS(XS_version_is_alpha) |
713 | { | |
97aff369 | 714 | dVAR; |
c8d69e4a JP |
715 | dXSARGS; |
716 | if (items != 1) | |
afa74d42 | 717 | croak_xs_usage(cv, "lobj"); |
c8d69e4a | 718 | SP -= items; |
c4420975 AL |
719 | if (sv_derived_from(ST(0), "version")) { |
720 | SV * const lobj = ST(0); | |
ef8f7699 | 721 | if ( hv_exists(MUTABLE_HV(SvRV(lobj)), "alpha", 5 ) ) |
c4420975 AL |
722 | XSRETURN_YES; |
723 | else | |
724 | XSRETURN_NO; | |
c8d69e4a JP |
725 | PUTBACK; |
726 | return; | |
727 | } | |
c4420975 AL |
728 | else |
729 | Perl_croak(aTHX_ "lobj is not of type version"); | |
c8d69e4a JP |
730 | } |
731 | ||
137d6fc0 JP |
732 | XS(XS_version_qv) |
733 | { | |
97aff369 | 734 | dVAR; |
137d6fc0 | 735 | dXSARGS; |
4ed3fda4 | 736 | PERL_UNUSED_ARG(cv); |
137d6fc0 JP |
737 | SP -= items; |
738 | { | |
f941e658 JP |
739 | SV * ver = ST(0); |
740 | SV * rv; | |
741 | const char * classname = ""; | |
742 | if ( items == 2 && (ST(1)) != &PL_sv_undef ) { | |
743 | /* getting called as object or class method */ | |
744 | ver = ST(1); | |
745 | classname = | |
746 | sv_isobject(ST(0)) /* class called as an object method */ | |
747 | ? HvNAME_get(SvSTASH(SvRV(ST(0)))) | |
748 | : (char *)SvPV_nolen(ST(0)); | |
749 | } | |
750 | if ( !SvVOK(ver) ) { /* not already a v-string */ | |
751 | rv = sv_newmortal(); | |
ac0e6a2f RGS |
752 | sv_setsv(rv,ver); /* make a duplicate */ |
753 | upg_version(rv, TRUE); | |
f941e658 JP |
754 | } else { |
755 | rv = sv_2mortal(new_version(ver)); | |
137d6fc0 | 756 | } |
f941e658 JP |
757 | if ( items == 2 && strcmp(classname,"version") ) { /* inherited new() */ |
758 | sv_bless(rv, gv_stashpv(classname, GV_ADD)); | |
137d6fc0 | 759 | } |
f941e658 JP |
760 | PUSHs(rv); |
761 | } | |
762 | PUTBACK; | |
763 | return; | |
764 | } | |
137d6fc0 | 765 | |
f941e658 JP |
766 | XS(XS_version_is_qv) |
767 | { | |
768 | dVAR; | |
769 | dXSARGS; | |
770 | if (items != 1) | |
771 | croak_xs_usage(cv, "lobj"); | |
772 | SP -= items; | |
773 | if (sv_derived_from(ST(0), "version")) { | |
774 | SV * const lobj = ST(0); | |
775 | if ( hv_exists(MUTABLE_HV(SvRV(lobj)), "qv", 2 ) ) | |
776 | XSRETURN_YES; | |
777 | else | |
778 | XSRETURN_NO; | |
137d6fc0 JP |
779 | PUTBACK; |
780 | return; | |
781 | } | |
f941e658 JP |
782 | else |
783 | Perl_croak(aTHX_ "lobj is not of type version"); | |
137d6fc0 JP |
784 | } |
785 | ||
8800c35a JH |
786 | XS(XS_utf8_is_utf8) |
787 | { | |
97aff369 | 788 | dVAR; |
41be1fbd JH |
789 | dXSARGS; |
790 | if (items != 1) | |
afa74d42 | 791 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
792 | else { |
793 | const SV * const sv = ST(0); | |
794 | if (SvUTF8(sv)) | |
795 | XSRETURN_YES; | |
796 | else | |
797 | XSRETURN_NO; | |
41be1fbd JH |
798 | } |
799 | XSRETURN_EMPTY; | |
8800c35a JH |
800 | } |
801 | ||
1b026014 NIS |
802 | XS(XS_utf8_valid) |
803 | { | |
97aff369 | 804 | dVAR; |
41be1fbd JH |
805 | dXSARGS; |
806 | if (items != 1) | |
afa74d42 | 807 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
808 | else { |
809 | SV * const sv = ST(0); | |
810 | STRLEN len; | |
811 | const char * const s = SvPV_const(sv,len); | |
812 | if (!SvUTF8(sv) || is_utf8_string((const U8*)s,len)) | |
813 | XSRETURN_YES; | |
814 | else | |
815 | XSRETURN_NO; | |
816 | } | |
41be1fbd | 817 | XSRETURN_EMPTY; |
1b026014 NIS |
818 | } |
819 | ||
820 | XS(XS_utf8_encode) | |
821 | { | |
97aff369 | 822 | dVAR; |
1b026014 NIS |
823 | dXSARGS; |
824 | if (items != 1) | |
afa74d42 | 825 | croak_xs_usage(cv, "sv"); |
c4420975 | 826 | sv_utf8_encode(ST(0)); |
1b026014 NIS |
827 | XSRETURN_EMPTY; |
828 | } | |
829 | ||
830 | XS(XS_utf8_decode) | |
831 | { | |
97aff369 | 832 | dVAR; |
1b026014 NIS |
833 | dXSARGS; |
834 | if (items != 1) | |
afa74d42 | 835 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
836 | else { |
837 | SV * const sv = ST(0); | |
6867be6d | 838 | const bool RETVAL = sv_utf8_decode(sv); |
1b026014 NIS |
839 | ST(0) = boolSV(RETVAL); |
840 | sv_2mortal(ST(0)); | |
841 | } | |
842 | XSRETURN(1); | |
843 | } | |
844 | ||
845 | XS(XS_utf8_upgrade) | |
846 | { | |
97aff369 | 847 | dVAR; |
1b026014 NIS |
848 | dXSARGS; |
849 | if (items != 1) | |
afa74d42 | 850 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
851 | else { |
852 | SV * const sv = ST(0); | |
1b026014 NIS |
853 | STRLEN RETVAL; |
854 | dXSTARG; | |
855 | ||
856 | RETVAL = sv_utf8_upgrade(sv); | |
857 | XSprePUSH; PUSHi((IV)RETVAL); | |
858 | } | |
859 | XSRETURN(1); | |
860 | } | |
861 | ||
862 | XS(XS_utf8_downgrade) | |
863 | { | |
97aff369 | 864 | dVAR; |
1b026014 NIS |
865 | dXSARGS; |
866 | if (items < 1 || items > 2) | |
afa74d42 | 867 | croak_xs_usage(cv, "sv, failok=0"); |
c4420975 AL |
868 | else { |
869 | SV * const sv = ST(0); | |
6867be6d AL |
870 | const bool failok = (items < 2) ? 0 : (int)SvIV(ST(1)); |
871 | const bool RETVAL = sv_utf8_downgrade(sv, failok); | |
1b026014 | 872 | |
1b026014 NIS |
873 | ST(0) = boolSV(RETVAL); |
874 | sv_2mortal(ST(0)); | |
875 | } | |
876 | XSRETURN(1); | |
877 | } | |
878 | ||
879 | XS(XS_utf8_native_to_unicode) | |
880 | { | |
97aff369 | 881 | dVAR; |
1b026014 | 882 | dXSARGS; |
6867be6d | 883 | const UV uv = SvUV(ST(0)); |
b7953727 JH |
884 | |
885 | if (items > 1) | |
afa74d42 | 886 | croak_xs_usage(cv, "sv"); |
b7953727 | 887 | |
1b026014 NIS |
888 | ST(0) = sv_2mortal(newSViv(NATIVE_TO_UNI(uv))); |
889 | XSRETURN(1); | |
890 | } | |
891 | ||
892 | XS(XS_utf8_unicode_to_native) | |
893 | { | |
97aff369 | 894 | dVAR; |
1b026014 | 895 | dXSARGS; |
6867be6d | 896 | const UV uv = SvUV(ST(0)); |
b7953727 JH |
897 | |
898 | if (items > 1) | |
afa74d42 | 899 | croak_xs_usage(cv, "sv"); |
b7953727 | 900 | |
1b026014 NIS |
901 | ST(0) = sv_2mortal(newSViv(UNI_TO_NATIVE(uv))); |
902 | XSRETURN(1); | |
903 | } | |
904 | ||
14a976d6 | 905 | XS(XS_Internals_SvREADONLY) /* This is dangerous stuff. */ |
29569577 | 906 | { |
97aff369 | 907 | dVAR; |
29569577 | 908 | dXSARGS; |
c4420975 | 909 | SV * const sv = SvRV(ST(0)); |
58c0efa5 | 910 | PERL_UNUSED_ARG(cv); |
6867be6d | 911 | |
29569577 JH |
912 | if (items == 1) { |
913 | if (SvREADONLY(sv)) | |
914 | XSRETURN_YES; | |
915 | else | |
916 | XSRETURN_NO; | |
917 | } | |
918 | else if (items == 2) { | |
919 | if (SvTRUE(ST(1))) { | |
920 | SvREADONLY_on(sv); | |
921 | XSRETURN_YES; | |
922 | } | |
923 | else { | |
14a976d6 | 924 | /* I hope you really know what you are doing. */ |
29569577 JH |
925 | SvREADONLY_off(sv); |
926 | XSRETURN_NO; | |
927 | } | |
928 | } | |
14a976d6 | 929 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 JH |
930 | } |
931 | ||
14a976d6 | 932 | XS(XS_Internals_SvREFCNT) /* This is dangerous stuff. */ |
29569577 | 933 | { |
97aff369 | 934 | dVAR; |
29569577 | 935 | dXSARGS; |
c4420975 | 936 | SV * const sv = SvRV(ST(0)); |
58c0efa5 | 937 | PERL_UNUSED_ARG(cv); |
6867be6d | 938 | |
29569577 | 939 | if (items == 1) |
14a976d6 | 940 | XSRETURN_IV(SvREFCNT(sv) - 1); /* Minus the ref created for us. */ |
29569577 | 941 | else if (items == 2) { |
14a976d6 | 942 | /* I hope you really know what you are doing. */ |
29569577 JH |
943 | SvREFCNT(sv) = SvIV(ST(1)); |
944 | XSRETURN_IV(SvREFCNT(sv)); | |
945 | } | |
14a976d6 | 946 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 JH |
947 | } |
948 | ||
f044d0d1 | 949 | XS(XS_Internals_hv_clear_placehold) |
dfd4ef2f | 950 | { |
97aff369 | 951 | dVAR; |
dfd4ef2f | 952 | dXSARGS; |
6867be6d | 953 | |
3540d4ce | 954 | if (items != 1) |
afa74d42 | 955 | croak_xs_usage(cv, "hv"); |
c4420975 | 956 | else { |
ef8f7699 | 957 | HV * const hv = MUTABLE_HV(SvRV(ST(0))); |
c4420975 AL |
958 | hv_clear_placeholders(hv); |
959 | XSRETURN(0); | |
960 | } | |
dfd4ef2f | 961 | } |
39f7a870 JH |
962 | |
963 | XS(XS_PerlIO_get_layers) | |
964 | { | |
97aff369 | 965 | dVAR; |
39f7a870 JH |
966 | dXSARGS; |
967 | if (items < 1 || items % 2 == 0) | |
afa74d42 | 968 | croak_xs_usage(cv, "filehandle[,args]"); |
5fef3b4a | 969 | #ifdef USE_PERLIO |
39f7a870 JH |
970 | { |
971 | SV * sv; | |
972 | GV * gv; | |
973 | IO * io; | |
974 | bool input = TRUE; | |
975 | bool details = FALSE; | |
976 | ||
977 | if (items > 1) { | |
c4420975 | 978 | SV * const *svp; |
39f7a870 | 979 | for (svp = MARK + 2; svp <= SP; svp += 2) { |
c4420975 AL |
980 | SV * const * const varp = svp; |
981 | SV * const * const valp = svp + 1; | |
39f7a870 | 982 | STRLEN klen; |
c4420975 | 983 | const char * const key = SvPV_const(*varp, klen); |
39f7a870 JH |
984 | |
985 | switch (*key) { | |
986 | case 'i': | |
987 | if (klen == 5 && memEQ(key, "input", 5)) { | |
988 | input = SvTRUE(*valp); | |
989 | break; | |
990 | } | |
991 | goto fail; | |
992 | case 'o': | |
993 | if (klen == 6 && memEQ(key, "output", 6)) { | |
994 | input = !SvTRUE(*valp); | |
995 | break; | |
996 | } | |
997 | goto fail; | |
998 | case 'd': | |
999 | if (klen == 7 && memEQ(key, "details", 7)) { | |
1000 | details = SvTRUE(*valp); | |
1001 | break; | |
1002 | } | |
1003 | goto fail; | |
1004 | default: | |
1005 | fail: | |
1006 | Perl_croak(aTHX_ | |
1007 | "get_layers: unknown argument '%s'", | |
1008 | key); | |
1009 | } | |
1010 | } | |
1011 | ||
1012 | SP -= (items - 1); | |
1013 | } | |
1014 | ||
1015 | sv = POPs; | |
159b6efe | 1016 | gv = MUTABLE_GV(sv); |
39f7a870 JH |
1017 | |
1018 | if (!isGV(sv)) { | |
1019 | if (SvROK(sv) && isGV(SvRV(sv))) | |
159b6efe | 1020 | gv = MUTABLE_GV(SvRV(sv)); |
671d49be | 1021 | else if (SvPOKp(sv)) |
f776e3cd | 1022 | gv = gv_fetchsv(sv, 0, SVt_PVIO); |
39f7a870 JH |
1023 | } |
1024 | ||
1025 | if (gv && (io = GvIO(gv))) { | |
c4420975 | 1026 | AV* const av = PerlIO_get_layers(aTHX_ input ? |
39f7a870 JH |
1027 | IoIFP(io) : IoOFP(io)); |
1028 | I32 i; | |
c4420975 | 1029 | const I32 last = av_len(av); |
39f7a870 JH |
1030 | I32 nitem = 0; |
1031 | ||
1032 | for (i = last; i >= 0; i -= 3) { | |
c4420975 AL |
1033 | SV * const * const namsvp = av_fetch(av, i - 2, FALSE); |
1034 | SV * const * const argsvp = av_fetch(av, i - 1, FALSE); | |
1035 | SV * const * const flgsvp = av_fetch(av, i, FALSE); | |
39f7a870 | 1036 | |
c4420975 AL |
1037 | const bool namok = namsvp && *namsvp && SvPOK(*namsvp); |
1038 | const bool argok = argsvp && *argsvp && SvPOK(*argsvp); | |
1039 | const bool flgok = flgsvp && *flgsvp && SvIOK(*flgsvp); | |
39f7a870 JH |
1040 | |
1041 | if (details) { | |
92e45a3e NC |
1042 | /* Indents of 5? Yuck. */ |
1043 | /* We know that PerlIO_get_layers creates a new SV for | |
1044 | the name and flags, so we can just take a reference | |
1045 | and "steal" it when we free the AV below. */ | |
ec3bab8e | 1046 | XPUSHs(namok |
92e45a3e | 1047 | ? sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp)) |
ec3bab8e NC |
1048 | : &PL_sv_undef); |
1049 | XPUSHs(argok | |
92e45a3e NC |
1050 | ? newSVpvn_flags(SvPVX_const(*argsvp), |
1051 | SvCUR(*argsvp), | |
1052 | (SvUTF8(*argsvp) ? SVf_UTF8 : 0) | |
1053 | | SVs_TEMP) | |
1054 | : &PL_sv_undef); | |
96ccaf53 | 1055 | XPUSHs(flgok |
92e45a3e | 1056 | ? sv_2mortal(SvREFCNT_inc_simple_NN(*flgsvp)) |
ec3bab8e | 1057 | : &PL_sv_undef); |
39f7a870 JH |
1058 | nitem += 3; |
1059 | } | |
1060 | else { | |
1061 | if (namok && argok) | |
1eb9e81d | 1062 | XPUSHs(sv_2mortal(Perl_newSVpvf(aTHX_ "%"SVf"(%"SVf")", |
be2597df | 1063 | SVfARG(*namsvp), |
1eb9e81d | 1064 | SVfARG(*argsvp)))); |
39f7a870 | 1065 | else if (namok) |
92e45a3e | 1066 | XPUSHs(sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp))); |
39f7a870 JH |
1067 | else |
1068 | XPUSHs(&PL_sv_undef); | |
1069 | nitem++; | |
1070 | if (flgok) { | |
c4420975 | 1071 | const IV flags = SvIVX(*flgsvp); |
39f7a870 JH |
1072 | |
1073 | if (flags & PERLIO_F_UTF8) { | |
84bafc02 | 1074 | XPUSHs(newSVpvs_flags("utf8", SVs_TEMP)); |
39f7a870 JH |
1075 | nitem++; |
1076 | } | |
1077 | } | |
1078 | } | |
1079 | } | |
1080 | ||
1081 | SvREFCNT_dec(av); | |
1082 | ||
1083 | XSRETURN(nitem); | |
1084 | } | |
1085 | } | |
5fef3b4a | 1086 | #endif |
39f7a870 JH |
1087 | |
1088 | XSRETURN(0); | |
1089 | } | |
1090 | ||
9a7034eb | 1091 | XS(XS_Internals_hash_seed) |
c910b28a | 1092 | { |
97aff369 | 1093 | dVAR; |
c85d3f85 NC |
1094 | /* Using dXSARGS would also have dITEM and dSP, |
1095 | * which define 2 unused local variables. */ | |
557b887a | 1096 | dAXMARK; |
53c1dcc0 | 1097 | PERL_UNUSED_ARG(cv); |
ad73156c | 1098 | PERL_UNUSED_VAR(mark); |
81eaca17 | 1099 | XSRETURN_UV(PERL_HASH_SEED); |
c910b28a JH |
1100 | } |
1101 | ||
008fb0c0 | 1102 | XS(XS_Internals_rehash_seed) |
8e90d776 | 1103 | { |
97aff369 | 1104 | dVAR; |
8e90d776 NC |
1105 | /* Using dXSARGS would also have dITEM and dSP, |
1106 | * which define 2 unused local variables. */ | |
557b887a | 1107 | dAXMARK; |
53c1dcc0 | 1108 | PERL_UNUSED_ARG(cv); |
ad73156c | 1109 | PERL_UNUSED_VAR(mark); |
008fb0c0 | 1110 | XSRETURN_UV(PL_rehash_seed); |
8e90d776 NC |
1111 | } |
1112 | ||
05619474 NC |
1113 | XS(XS_Internals_HvREHASH) /* Subject to change */ |
1114 | { | |
97aff369 | 1115 | dVAR; |
05619474 | 1116 | dXSARGS; |
93c51217 | 1117 | PERL_UNUSED_ARG(cv); |
05619474 | 1118 | if (SvROK(ST(0))) { |
ef8f7699 | 1119 | const HV * const hv = (const HV *) SvRV(ST(0)); |
05619474 NC |
1120 | if (items == 1 && SvTYPE(hv) == SVt_PVHV) { |
1121 | if (HvREHASH(hv)) | |
1122 | XSRETURN_YES; | |
1123 | else | |
1124 | XSRETURN_NO; | |
1125 | } | |
1126 | } | |
1127 | Perl_croak(aTHX_ "Internals::HvREHASH $hashref"); | |
1128 | } | |
241d1a3b | 1129 | |
80305961 YO |
1130 | XS(XS_re_is_regexp) |
1131 | { | |
1132 | dVAR; | |
1133 | dXSARGS; | |
f7e71195 AB |
1134 | PERL_UNUSED_VAR(cv); |
1135 | ||
80305961 | 1136 | if (items != 1) |
afa74d42 | 1137 | croak_xs_usage(cv, "sv"); |
f7e71195 | 1138 | |
80305961 | 1139 | SP -= items; |
f7e71195 AB |
1140 | |
1141 | if (SvRXOK(ST(0))) { | |
1142 | XSRETURN_YES; | |
1143 | } else { | |
1144 | XSRETURN_NO; | |
80305961 YO |
1145 | } |
1146 | } | |
1147 | ||
192b9cd1 | 1148 | XS(XS_re_regnames_count) |
80305961 | 1149 | { |
192b9cd1 AB |
1150 | REGEXP *rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1151 | SV * ret; | |
80305961 YO |
1152 | dVAR; |
1153 | dXSARGS; | |
192b9cd1 AB |
1154 | |
1155 | if (items != 0) | |
afa74d42 | 1156 | croak_xs_usage(cv, ""); |
192b9cd1 AB |
1157 | |
1158 | SP -= items; | |
1159 | ||
1160 | if (!rx) | |
1161 | XSRETURN_UNDEF; | |
1162 | ||
1163 | ret = CALLREG_NAMED_BUFF_COUNT(rx); | |
1164 | ||
1165 | SPAGAIN; | |
1166 | ||
1167 | if (ret) { | |
ec83ea38 | 1168 | mXPUSHs(ret); |
192b9cd1 AB |
1169 | PUTBACK; |
1170 | return; | |
1171 | } else { | |
1172 | XSRETURN_UNDEF; | |
1173 | } | |
1174 | } | |
1175 | ||
1176 | XS(XS_re_regname) | |
1177 | { | |
1178 | dVAR; | |
1179 | dXSARGS; | |
1180 | REGEXP * rx; | |
1181 | U32 flags; | |
1182 | SV * ret; | |
1183 | ||
28d8d7f4 | 1184 | if (items < 1 || items > 2) |
afa74d42 | 1185 | croak_xs_usage(cv, "name[, all ]"); |
192b9cd1 | 1186 | |
80305961 | 1187 | SP -= items; |
80305961 | 1188 | |
192b9cd1 AB |
1189 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1190 | ||
1191 | if (!rx) | |
1192 | XSRETURN_UNDEF; | |
1193 | ||
1194 | if (items == 2 && SvTRUE(ST(1))) { | |
f1b875a0 | 1195 | flags = RXapif_ALL; |
192b9cd1 | 1196 | } else { |
f1b875a0 | 1197 | flags = RXapif_ONE; |
80305961 | 1198 | } |
f1b875a0 | 1199 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(0), (flags | RXapif_REGNAME)); |
192b9cd1 AB |
1200 | |
1201 | if (ret) { | |
ec83ea38 | 1202 | mXPUSHs(ret); |
192b9cd1 AB |
1203 | XSRETURN(1); |
1204 | } | |
1205 | XSRETURN_UNDEF; | |
80305961 YO |
1206 | } |
1207 | ||
192b9cd1 | 1208 | |
80305961 YO |
1209 | XS(XS_re_regnames) |
1210 | { | |
192b9cd1 | 1211 | dVAR; |
80305961 | 1212 | dXSARGS; |
192b9cd1 AB |
1213 | REGEXP * rx; |
1214 | U32 flags; | |
1215 | SV *ret; | |
1216 | AV *av; | |
1217 | I32 length; | |
1218 | I32 i; | |
1219 | SV **entry; | |
1220 | ||
1221 | if (items > 1) | |
afa74d42 | 1222 | croak_xs_usage(cv, "[all]"); |
192b9cd1 AB |
1223 | |
1224 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1225 | ||
1226 | if (!rx) | |
1227 | XSRETURN_UNDEF; | |
1228 | ||
1229 | if (items == 1 && SvTRUE(ST(0))) { | |
f1b875a0 | 1230 | flags = RXapif_ALL; |
192b9cd1 | 1231 | } else { |
f1b875a0 | 1232 | flags = RXapif_ONE; |
192b9cd1 AB |
1233 | } |
1234 | ||
80305961 | 1235 | SP -= items; |
80305961 | 1236 | |
f1b875a0 | 1237 | ret = CALLREG_NAMED_BUFF_ALL(rx, (flags | RXapif_REGNAMES)); |
192b9cd1 AB |
1238 | |
1239 | SPAGAIN; | |
1240 | ||
1241 | SP -= items; | |
1242 | ||
1243 | if (!ret) | |
1244 | XSRETURN_UNDEF; | |
1245 | ||
502c6561 | 1246 | av = MUTABLE_AV(SvRV(ret)); |
192b9cd1 AB |
1247 | length = av_len(av); |
1248 | ||
1249 | for (i = 0; i <= length; i++) { | |
1250 | entry = av_fetch(av, i, FALSE); | |
1251 | ||
1252 | if (!entry) | |
1253 | Perl_croak(aTHX_ "NULL array element in re::regnames()"); | |
1254 | ||
ec83ea38 | 1255 | mXPUSHs(SvREFCNT_inc_simple_NN(*entry)); |
80305961 | 1256 | } |
ec83ea38 MHM |
1257 | |
1258 | SvREFCNT_dec(ret); | |
1259 | ||
192b9cd1 AB |
1260 | PUTBACK; |
1261 | return; | |
80305961 YO |
1262 | } |
1263 | ||
192c1e27 JH |
1264 | XS(XS_re_regexp_pattern) |
1265 | { | |
1266 | dVAR; | |
1267 | dXSARGS; | |
1268 | REGEXP *re; | |
192c1e27 JH |
1269 | |
1270 | if (items != 1) | |
afa74d42 | 1271 | croak_xs_usage(cv, "sv"); |
192c1e27 JH |
1272 | |
1273 | SP -= items; | |
1274 | ||
1275 | /* | |
1276 | Checks if a reference is a regex or not. If the parameter is | |
1277 | not a ref, or is not the result of a qr// then returns false | |
1278 | in scalar context and an empty list in list context. | |
1279 | Otherwise in list context it returns the pattern and the | |
1280 | modifiers, in scalar context it returns the pattern just as it | |
1281 | would if the qr// was stringified normally, regardless as | |
1282 | to the class of the variable and any strigification overloads | |
1283 | on the object. | |
1284 | */ | |
1285 | ||
1286 | if ((re = SvRX(ST(0)))) /* assign deliberate */ | |
1287 | { | |
1288 | /* Housten, we have a regex! */ | |
1289 | SV *pattern; | |
1290 | STRLEN left = 0; | |
1291 | char reflags[6]; | |
1292 | ||
1293 | if ( GIMME_V == G_ARRAY ) { | |
1294 | /* | |
1295 | we are in list context so stringify | |
1296 | the modifiers that apply. We ignore "negative | |
1297 | modifiers" in this scenario. | |
1298 | */ | |
1299 | ||
1300 | const char *fptr = INT_PAT_MODS; | |
1301 | char ch; | |
1302 | U16 match_flags = (U16)((RX_EXTFLAGS(re) & PMf_COMPILETIME) | |
1303 | >> RXf_PMf_STD_PMMOD_SHIFT); | |
1304 | ||
1305 | while((ch = *fptr++)) { | |
1306 | if(match_flags & 1) { | |
1307 | reflags[left++] = ch; | |
1308 | } | |
1309 | match_flags >>= 1; | |
1310 | } | |
1311 | ||
fb632ce3 NC |
1312 | pattern = newSVpvn_flags(RX_PRECOMP(re),RX_PRELEN(re), |
1313 | (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP); | |
192c1e27 JH |
1314 | |
1315 | /* return the pattern and the modifiers */ | |
1316 | XPUSHs(pattern); | |
fb632ce3 | 1317 | XPUSHs(newSVpvn_flags(reflags, left, SVs_TEMP)); |
192c1e27 JH |
1318 | XSRETURN(2); |
1319 | } else { | |
1320 | /* Scalar, so use the string that Perl would return */ | |
1321 | /* return the pattern in (?msix:..) format */ | |
1322 | #if PERL_VERSION >= 11 | |
daba3364 | 1323 | pattern = sv_2mortal(newSVsv(MUTABLE_SV(re))); |
192c1e27 | 1324 | #else |
fb632ce3 NC |
1325 | pattern = newSVpvn_flags(RX_WRAPPED(re), RX_WRAPLEN(re), |
1326 | (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP); | |
192c1e27 JH |
1327 | #endif |
1328 | XPUSHs(pattern); | |
1329 | XSRETURN(1); | |
1330 | } | |
1331 | } else { | |
1332 | /* It ain't a regexp folks */ | |
1333 | if ( GIMME_V == G_ARRAY ) { | |
1334 | /* return the empty list */ | |
1335 | XSRETURN_UNDEF; | |
1336 | } else { | |
1337 | /* Because of the (?:..) wrapping involved in a | |
1338 | stringified pattern it is impossible to get a | |
1339 | result for a real regexp that would evaluate to | |
1340 | false. Therefore we can return PL_sv_no to signify | |
1341 | that the object is not a regex, this means that one | |
1342 | can say | |
1343 | ||
1344 | if (regex($might_be_a_regex) eq '(?:foo)') { } | |
1345 | ||
1346 | and not worry about undefined values. | |
1347 | */ | |
1348 | XSRETURN_NO; | |
1349 | } | |
1350 | } | |
1351 | /* NOT-REACHED */ | |
1352 | } | |
1353 | ||
192b9cd1 | 1354 | XS(XS_Tie_Hash_NamedCapture_FETCH) |
80305961 | 1355 | { |
192b9cd1 | 1356 | dVAR; |
80305961 | 1357 | dXSARGS; |
192b9cd1 AB |
1358 | REGEXP * rx; |
1359 | U32 flags; | |
1360 | SV * ret; | |
1361 | ||
1362 | if (items != 2) | |
afa74d42 | 1363 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 AB |
1364 | |
1365 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1366 | ||
1367 | if (!rx) | |
1368 | XSRETURN_UNDEF; | |
1369 | ||
80305961 | 1370 | SP -= items; |
192b9cd1 | 1371 | |
daba3364 | 1372 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1373 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(1), flags); |
1374 | ||
1375 | SPAGAIN; | |
1376 | ||
1377 | if (ret) { | |
ec83ea38 | 1378 | mXPUSHs(ret); |
192b9cd1 AB |
1379 | PUTBACK; |
1380 | return; | |
1381 | } | |
1382 | XSRETURN_UNDEF; | |
1383 | } | |
1384 | ||
1385 | XS(XS_Tie_Hash_NamedCapture_STORE) | |
1386 | { | |
1387 | dVAR; | |
1388 | dXSARGS; | |
1389 | REGEXP * rx; | |
1390 | U32 flags; | |
1391 | ||
1392 | if (items != 3) | |
afa74d42 | 1393 | croak_xs_usage(cv, "$key, $value, $flags"); |
192b9cd1 AB |
1394 | |
1395 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1396 | ||
1397 | if (!rx) { | |
1398 | if (!PL_localizing) | |
f1f66076 | 1399 | Perl_croak(aTHX_ "%s", PL_no_modify); |
192b9cd1 | 1400 | else |
28d8d7f4 | 1401 | XSRETURN_UNDEF; |
80305961 | 1402 | } |
192b9cd1 AB |
1403 | |
1404 | SP -= items; | |
1405 | ||
daba3364 | 1406 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 | 1407 | CALLREG_NAMED_BUFF_STORE(rx,ST(1), ST(2), flags); |
80305961 YO |
1408 | } |
1409 | ||
192b9cd1 AB |
1410 | XS(XS_Tie_Hash_NamedCapture_DELETE) |
1411 | { | |
1412 | dVAR; | |
1413 | dXSARGS; | |
1414 | REGEXP * rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1415 | U32 flags; | |
80305961 | 1416 | |
192b9cd1 | 1417 | if (items != 2) |
afa74d42 | 1418 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 AB |
1419 | |
1420 | if (!rx) | |
f1f66076 | 1421 | Perl_croak(aTHX_ "%s", PL_no_modify); |
192b9cd1 AB |
1422 | |
1423 | SP -= items; | |
1424 | ||
daba3364 | 1425 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1426 | CALLREG_NAMED_BUFF_DELETE(rx, ST(1), flags); |
1427 | } | |
1428 | ||
1429 | XS(XS_Tie_Hash_NamedCapture_CLEAR) | |
80305961 | 1430 | { |
192b9cd1 | 1431 | dVAR; |
80305961 | 1432 | dXSARGS; |
192b9cd1 AB |
1433 | REGEXP * rx; |
1434 | U32 flags; | |
1435 | ||
1436 | if (items != 1) | |
afa74d42 | 1437 | croak_xs_usage(cv, "$flags"); |
192b9cd1 AB |
1438 | |
1439 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1440 | ||
1441 | if (!rx) | |
f1f66076 | 1442 | Perl_croak(aTHX_ "%s", PL_no_modify); |
192b9cd1 | 1443 | |
80305961 | 1444 | SP -= items; |
80305961 | 1445 | |
daba3364 | 1446 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1447 | CALLREG_NAMED_BUFF_CLEAR(rx, flags); |
1448 | } | |
1449 | ||
1450 | XS(XS_Tie_Hash_NamedCapture_EXISTS) | |
1451 | { | |
1452 | dVAR; | |
1453 | dXSARGS; | |
1454 | REGEXP * rx; | |
1455 | U32 flags; | |
1456 | SV * ret; | |
1457 | ||
1458 | if (items != 2) | |
afa74d42 | 1459 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 AB |
1460 | |
1461 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1462 | ||
1463 | if (!rx) | |
28d8d7f4 | 1464 | XSRETURN_UNDEF; |
192b9cd1 AB |
1465 | |
1466 | SP -= items; | |
1467 | ||
daba3364 | 1468 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1469 | ret = CALLREG_NAMED_BUFF_EXISTS(rx, ST(1), flags); |
1470 | ||
1471 | SPAGAIN; | |
1472 | ||
1473 | XPUSHs(ret); | |
80305961 YO |
1474 | PUTBACK; |
1475 | return; | |
80305961 YO |
1476 | } |
1477 | ||
86aa3d53 | 1478 | XS(XS_Tie_Hash_NamedCapture_FIRSTK) |
192b9cd1 AB |
1479 | { |
1480 | dVAR; | |
1481 | dXSARGS; | |
1482 | REGEXP * rx; | |
1483 | U32 flags; | |
1484 | SV * ret; | |
80305961 | 1485 | |
192b9cd1 | 1486 | if (items != 1) |
afa74d42 | 1487 | croak_xs_usage(cv, ""); |
192b9cd1 AB |
1488 | |
1489 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1490 | ||
1491 | if (!rx) | |
1492 | XSRETURN_UNDEF; | |
1493 | ||
1494 | SP -= items; | |
1495 | ||
daba3364 | 1496 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1497 | ret = CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags); |
1498 | ||
1499 | SPAGAIN; | |
1500 | ||
1501 | if (ret) { | |
ec83ea38 | 1502 | mXPUSHs(ret); |
192b9cd1 AB |
1503 | PUTBACK; |
1504 | } else { | |
1505 | XSRETURN_UNDEF; | |
1506 | } | |
1507 | ||
1508 | } | |
1509 | ||
86aa3d53 | 1510 | XS(XS_Tie_Hash_NamedCapture_NEXTK) |
80305961 | 1511 | { |
192b9cd1 | 1512 | dVAR; |
80305961 | 1513 | dXSARGS; |
192b9cd1 AB |
1514 | REGEXP * rx; |
1515 | U32 flags; | |
1516 | SV * ret; | |
1517 | ||
1518 | if (items != 2) | |
afa74d42 | 1519 | croak_xs_usage(cv, "$lastkey"); |
192b9cd1 AB |
1520 | |
1521 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1522 | ||
1523 | if (!rx) | |
1524 | XSRETURN_UNDEF; | |
80305961 | 1525 | |
80305961 | 1526 | SP -= items; |
192b9cd1 | 1527 | |
daba3364 | 1528 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1529 | ret = CALLREG_NAMED_BUFF_NEXTKEY(rx, ST(1), flags); |
1530 | ||
1531 | SPAGAIN; | |
1532 | ||
1533 | if (ret) { | |
ec83ea38 | 1534 | mXPUSHs(ret); |
80305961 YO |
1535 | } else { |
1536 | XSRETURN_UNDEF; | |
1537 | } | |
1538 | PUTBACK; | |
192b9cd1 AB |
1539 | } |
1540 | ||
1541 | XS(XS_Tie_Hash_NamedCapture_SCALAR) | |
1542 | { | |
1543 | dVAR; | |
1544 | dXSARGS; | |
1545 | REGEXP * rx; | |
1546 | U32 flags; | |
1547 | SV * ret; | |
1548 | ||
1549 | if (items != 1) | |
afa74d42 | 1550 | croak_xs_usage(cv, ""); |
192b9cd1 AB |
1551 | |
1552 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1553 | ||
1554 | if (!rx) | |
1555 | XSRETURN_UNDEF; | |
1556 | ||
1557 | SP -= items; | |
1558 | ||
daba3364 | 1559 | flags = (U32)INT2PTR(IV,SvIV(SvRV(MUTABLE_SV(ST(0))))); |
192b9cd1 AB |
1560 | ret = CALLREG_NAMED_BUFF_SCALAR(rx, flags); |
1561 | ||
1562 | SPAGAIN; | |
1563 | ||
1564 | if (ret) { | |
ec83ea38 | 1565 | mXPUSHs(ret); |
192b9cd1 AB |
1566 | PUTBACK; |
1567 | return; | |
1568 | } else { | |
1569 | XSRETURN_UNDEF; | |
1570 | } | |
1571 | } | |
1572 | ||
1573 | XS(XS_Tie_Hash_NamedCapture_flags) | |
1574 | { | |
1575 | dVAR; | |
1576 | dXSARGS; | |
1577 | ||
1578 | if (items != 0) | |
afa74d42 | 1579 | croak_xs_usage(cv, ""); |
192b9cd1 | 1580 | |
6e449a3a MHM |
1581 | mXPUSHu(RXapif_ONE); |
1582 | mXPUSHu(RXapif_ALL); | |
192b9cd1 AB |
1583 | PUTBACK; |
1584 | return; | |
80305961 YO |
1585 | } |
1586 | ||
1587 | ||
241d1a3b NC |
1588 | /* |
1589 | * Local variables: | |
1590 | * c-indentation-style: bsd | |
1591 | * c-basic-offset: 4 | |
1592 | * indent-tabs-mode: t | |
1593 | * End: | |
1594 | * | |
37442d52 RGS |
1595 | * ex: set ts=8 sts=4 sw=4 noet: |
1596 | */ |