Commit | Line | Data |
---|---|---|
d6376244 JH |
1 | /* universal.c |
2 | * | |
b5f8cc5c | 3 | * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
fdf8c088 | 4 | * 2005, 2006, 2007 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 AT |
11 | /* |
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 story | |
15 | */ | |
16 | ||
166f8a29 DM |
17 | /* This file contains the code that implements the functions in Perl's |
18 | * UNIVERSAL package, such as UNIVERSAL->can(). | |
192b9cd1 AB |
19 | * |
20 | * It is also used to store XS functions that need to be present in | |
21 | * miniperl for a lack of a better place to put them. It might be | |
22 | * clever to move them to seperate XS files which would then be pulled | |
23 | * in by some to-be-written build process. | |
166f8a29 DM |
24 | */ |
25 | ||
6d4a7be2 | 26 | #include "EXTERN.h" |
864dbfa3 | 27 | #define PERL_IN_UNIVERSAL_C |
6d4a7be2 | 28 | #include "perl.h" |
6d4a7be2 | 29 | |
39f7a870 JH |
30 | #ifdef USE_PERLIO |
31 | #include "perliol.h" /* For the PERLIO_F_XXX */ | |
32 | #endif | |
33 | ||
6d4a7be2 | 34 | /* |
35 | * Contributed by Graham Barr <Graham.Barr@tiuk.ti.com> | |
36 | * The main guts of traverse_isa was actually copied from gv_fetchmeth | |
37 | */ | |
38 | ||
a9ec700e | 39 | STATIC bool |
515a4f72 | 40 | S_isa_lookup(pTHX_ HV *stash, const char * const name) |
6d4a7be2 | 41 | { |
97aff369 | 42 | dVAR; |
a49ba3fc NC |
43 | const struct mro_meta *const meta = HvMROMETA(stash); |
44 | HV *const isa = meta->isa ? meta->isa : Perl_get_isa_hash(aTHX_ stash); | |
45 | STRLEN len = strlen(name); | |
46 | const HV *our_stash; | |
6d4a7be2 | 47 | |
7918f24d NC |
48 | PERL_ARGS_ASSERT_ISA_LOOKUP; |
49 | ||
a49ba3fc NC |
50 | if (hv_common(isa, NULL, name, len, 0 /* No "UTF-8" flag possible with only |
51 | a char * argument*/, | |
52 | HV_FETCH_ISEXISTS, NULL, 0)) { | |
53 | /* Direct name lookup worked. */ | |
a9ec700e | 54 | return TRUE; |
a49ba3fc | 55 | } |
6d4a7be2 | 56 | |
a49ba3fc NC |
57 | /* A stash/class can go by many names (ie. User == main::User), so |
58 | we use the name in the stash itself, which is canonical. */ | |
59 | our_stash = gv_stashpvn(name, len, 0); | |
60 | ||
61 | if (our_stash) { | |
62 | HEK *const canon_name = HvNAME_HEK(our_stash); | |
a1d407e8 | 63 | |
a49ba3fc NC |
64 | if (hv_common(isa, NULL, HEK_KEY(canon_name), HEK_LEN(canon_name), |
65 | HEK_FLAGS(canon_name), | |
66 | HV_FETCH_ISEXISTS, NULL, HEK_HASH(canon_name))) { | |
e1a479c5 | 67 | return TRUE; |
a49ba3fc | 68 | } |
6d4a7be2 | 69 | } |
70 | ||
a9ec700e | 71 | return FALSE; |
6d4a7be2 | 72 | } |
73 | ||
954c1994 | 74 | /* |
ccfc67b7 JH |
75 | =head1 SV Manipulation Functions |
76 | ||
954c1994 GS |
77 | =for apidoc sv_derived_from |
78 | ||
6885da0e | 79 | Returns a boolean indicating whether the SV is derived from the specified class |
80 | I<at the C level>. To check derivation at the Perl level, call C<isa()> as a | |
81 | normal Perl method. | |
954c1994 GS |
82 | |
83 | =cut | |
84 | */ | |
85 | ||
55497cff | 86 | bool |
15f169a1 | 87 | Perl_sv_derived_from(pTHX_ SV *sv, const char *const name) |
55497cff | 88 | { |
97aff369 | 89 | dVAR; |
0b6f4f5c | 90 | HV *stash; |
46e4b22b | 91 | |
7918f24d NC |
92 | PERL_ARGS_ASSERT_SV_DERIVED_FROM; |
93 | ||
5b295bef | 94 | SvGETMAGIC(sv); |
55497cff | 95 | |
96 | if (SvROK(sv)) { | |
0b6f4f5c | 97 | const char *type; |
55497cff | 98 | sv = SvRV(sv); |
99 | type = sv_reftype(sv,0); | |
0b6f4f5c AL |
100 | if (type && strEQ(type,name)) |
101 | return TRUE; | |
102 | stash = SvOBJECT(sv) ? SvSTASH(sv) : NULL; | |
55497cff | 103 | } |
104 | else { | |
da51bb9b | 105 | stash = gv_stashsv(sv, 0); |
55497cff | 106 | } |
46e4b22b | 107 | |
4a9e32d8 | 108 | return stash ? isa_lookup(stash, name) : FALSE; |
55497cff | 109 | } |
110 | ||
cbc021f9 | 111 | /* |
112 | =for apidoc sv_does | |
113 | ||
114 | Returns a boolean indicating whether the SV performs a specific, named role. | |
115 | The SV can be a Perl object or the name of a Perl class. | |
116 | ||
117 | =cut | |
118 | */ | |
119 | ||
1b026014 NIS |
120 | #include "XSUB.h" |
121 | ||
cbc021f9 | 122 | bool |
15f169a1 | 123 | Perl_sv_does(pTHX_ SV *sv, const char *const name) |
cbc021f9 | 124 | { |
125 | const char *classname; | |
126 | bool does_it; | |
59e7186f | 127 | SV *methodname; |
cbc021f9 | 128 | dSP; |
7918f24d NC |
129 | |
130 | PERL_ARGS_ASSERT_SV_DOES; | |
131 | ||
cbc021f9 | 132 | ENTER; |
133 | SAVETMPS; | |
134 | ||
135 | SvGETMAGIC(sv); | |
136 | ||
137 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) | |
138 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) | |
139 | return FALSE; | |
140 | ||
141 | if (sv_isobject(sv)) { | |
142 | classname = sv_reftype(SvRV(sv),TRUE); | |
143 | } else { | |
94707740 | 144 | classname = SvPV_nolen(sv); |
cbc021f9 | 145 | } |
146 | ||
147 | if (strEQ(name,classname)) | |
148 | return TRUE; | |
149 | ||
150 | PUSHMARK(SP); | |
151 | XPUSHs(sv); | |
6e449a3a | 152 | mXPUSHs(newSVpv(name, 0)); |
cbc021f9 | 153 | PUTBACK; |
154 | ||
84bafc02 | 155 | methodname = newSVpvs_flags("isa", SVs_TEMP); |
59e7186f RGS |
156 | /* ugly hack: use the SvSCREAM flag so S_method_common |
157 | * can figure out we're calling DOES() and not isa(), | |
158 | * and report eventual errors correctly. --rgs */ | |
159 | SvSCREAM_on(methodname); | |
160 | call_sv(methodname, G_SCALAR | G_METHOD); | |
cbc021f9 | 161 | SPAGAIN; |
162 | ||
163 | does_it = SvTRUE( TOPs ); | |
164 | FREETMPS; | |
165 | LEAVE; | |
166 | ||
167 | return does_it; | |
168 | } | |
169 | ||
27da23d5 JH |
170 | PERL_XS_EXPORT_C void XS_UNIVERSAL_isa(pTHX_ CV *cv); |
171 | PERL_XS_EXPORT_C void XS_UNIVERSAL_can(pTHX_ CV *cv); | |
cbc021f9 | 172 | PERL_XS_EXPORT_C void XS_UNIVERSAL_DOES(pTHX_ CV *cv); |
27da23d5 | 173 | PERL_XS_EXPORT_C void XS_UNIVERSAL_VERSION(pTHX_ CV *cv); |
439cb1c4 JP |
174 | XS(XS_version_new); |
175 | XS(XS_version_stringify); | |
176 | XS(XS_version_numify); | |
9137345a | 177 | XS(XS_version_normal); |
439cb1c4 JP |
178 | XS(XS_version_vcmp); |
179 | XS(XS_version_boolean); | |
2dfd8427 AL |
180 | #ifdef HASATTRIBUTE_NORETURN |
181 | XS(XS_version_noop) __attribute__noreturn__; | |
182 | #else | |
439cb1c4 | 183 | XS(XS_version_noop); |
2dfd8427 | 184 | #endif |
c8d69e4a | 185 | XS(XS_version_is_alpha); |
137d6fc0 | 186 | XS(XS_version_qv); |
8800c35a | 187 | XS(XS_utf8_is_utf8); |
1b026014 NIS |
188 | XS(XS_utf8_valid); |
189 | XS(XS_utf8_encode); | |
190 | XS(XS_utf8_decode); | |
191 | XS(XS_utf8_upgrade); | |
192 | XS(XS_utf8_downgrade); | |
193 | XS(XS_utf8_unicode_to_native); | |
194 | XS(XS_utf8_native_to_unicode); | |
29569577 JH |
195 | XS(XS_Internals_SvREADONLY); |
196 | XS(XS_Internals_SvREFCNT); | |
f044d0d1 | 197 | XS(XS_Internals_hv_clear_placehold); |
39f7a870 | 198 | XS(XS_PerlIO_get_layers); |
f63535fc | 199 | XS(XS_Regexp_DESTROY); |
9a7034eb | 200 | XS(XS_Internals_hash_seed); |
008fb0c0 | 201 | XS(XS_Internals_rehash_seed); |
05619474 | 202 | XS(XS_Internals_HvREHASH); |
e1234d8e | 203 | XS(XS_Internals_inc_sub_generation); |
80305961 | 204 | XS(XS_re_is_regexp); |
192b9cd1 AB |
205 | XS(XS_re_regname); |
206 | XS(XS_re_regnames); | |
80305961 | 207 | XS(XS_re_regnames_count); |
192c1e27 | 208 | XS(XS_re_regexp_pattern); |
192b9cd1 AB |
209 | XS(XS_Tie_Hash_NamedCapture_FETCH); |
210 | XS(XS_Tie_Hash_NamedCapture_STORE); | |
211 | XS(XS_Tie_Hash_NamedCapture_DELETE); | |
212 | XS(XS_Tie_Hash_NamedCapture_CLEAR); | |
213 | XS(XS_Tie_Hash_NamedCapture_EXISTS); | |
86aa3d53 CB |
214 | XS(XS_Tie_Hash_NamedCapture_FIRSTK); |
215 | XS(XS_Tie_Hash_NamedCapture_NEXTK); | |
192b9cd1 AB |
216 | XS(XS_Tie_Hash_NamedCapture_SCALAR); |
217 | XS(XS_Tie_Hash_NamedCapture_flags); | |
0cb96387 GS |
218 | |
219 | void | |
220 | Perl_boot_core_UNIVERSAL(pTHX) | |
221 | { | |
97aff369 | 222 | dVAR; |
157e3fc8 | 223 | static const char file[] = __FILE__; |
0cb96387 GS |
224 | |
225 | newXS("UNIVERSAL::isa", XS_UNIVERSAL_isa, file); | |
226 | newXS("UNIVERSAL::can", XS_UNIVERSAL_can, file); | |
cbc021f9 | 227 | newXS("UNIVERSAL::DOES", XS_UNIVERSAL_DOES, file); |
0cb96387 | 228 | newXS("UNIVERSAL::VERSION", XS_UNIVERSAL_VERSION, file); |
439cb1c4 | 229 | { |
ad63d80f JP |
230 | /* register the overloading (type 'A') magic */ |
231 | PL_amagic_generation++; | |
439cb1c4 | 232 | /* Make it findable via fetchmethod */ |
be2ebcad | 233 | newXS("version::()", XS_version_noop, file); |
439cb1c4 JP |
234 | newXS("version::new", XS_version_new, file); |
235 | newXS("version::(\"\"", XS_version_stringify, file); | |
236 | newXS("version::stringify", XS_version_stringify, file); | |
237 | newXS("version::(0+", XS_version_numify, file); | |
238 | newXS("version::numify", XS_version_numify, file); | |
9137345a | 239 | newXS("version::normal", XS_version_normal, file); |
439cb1c4 JP |
240 | newXS("version::(cmp", XS_version_vcmp, file); |
241 | newXS("version::(<=>", XS_version_vcmp, file); | |
242 | newXS("version::vcmp", XS_version_vcmp, file); | |
243 | newXS("version::(bool", XS_version_boolean, file); | |
244 | newXS("version::boolean", XS_version_boolean, file); | |
245 | newXS("version::(nomethod", XS_version_noop, file); | |
246 | newXS("version::noop", XS_version_noop, file); | |
c8d69e4a | 247 | newXS("version::is_alpha", XS_version_is_alpha, file); |
137d6fc0 | 248 | newXS("version::qv", XS_version_qv, file); |
439cb1c4 | 249 | } |
8800c35a | 250 | newXS("utf8::is_utf8", XS_utf8_is_utf8, file); |
1b026014 NIS |
251 | newXS("utf8::valid", XS_utf8_valid, file); |
252 | newXS("utf8::encode", XS_utf8_encode, file); | |
253 | newXS("utf8::decode", XS_utf8_decode, file); | |
254 | newXS("utf8::upgrade", XS_utf8_upgrade, file); | |
255 | newXS("utf8::downgrade", XS_utf8_downgrade, file); | |
256 | newXS("utf8::native_to_unicode", XS_utf8_native_to_unicode, file); | |
257 | newXS("utf8::unicode_to_native", XS_utf8_unicode_to_native, file); | |
29569577 JH |
258 | newXSproto("Internals::SvREADONLY",XS_Internals_SvREADONLY, file, "\\[$%@];$"); |
259 | newXSproto("Internals::SvREFCNT",XS_Internals_SvREFCNT, file, "\\[$%@];$"); | |
dfd4ef2f | 260 | newXSproto("Internals::hv_clear_placeholders", |
f044d0d1 | 261 | XS_Internals_hv_clear_placehold, file, "\\%"); |
9d569fce JH |
262 | newXSproto("PerlIO::get_layers", |
263 | XS_PerlIO_get_layers, file, "*;@"); | |
f63535fc | 264 | newXS("Regexp::DESTROY", XS_Regexp_DESTROY, file); |
9a7034eb | 265 | newXSproto("Internals::hash_seed",XS_Internals_hash_seed, file, ""); |
008fb0c0 | 266 | newXSproto("Internals::rehash_seed",XS_Internals_rehash_seed, file, ""); |
05619474 | 267 | newXSproto("Internals::HvREHASH", XS_Internals_HvREHASH, file, "\\%"); |
80305961 | 268 | newXSproto("re::is_regexp", XS_re_is_regexp, file, "$"); |
28d8d7f4 YO |
269 | newXSproto("re::regname", XS_re_regname, file, ";$$"); |
270 | newXSproto("re::regnames", XS_re_regnames, file, ";$"); | |
28d8d7f4 | 271 | newXSproto("re::regnames_count", XS_re_regnames_count, file, ""); |
192c1e27 | 272 | newXSproto("re::regexp_pattern", XS_re_regexp_pattern, file, "$"); |
192b9cd1 AB |
273 | newXS("Tie::Hash::NamedCapture::FETCH", XS_Tie_Hash_NamedCapture_FETCH, file); |
274 | newXS("Tie::Hash::NamedCapture::STORE", XS_Tie_Hash_NamedCapture_STORE, file); | |
275 | newXS("Tie::Hash::NamedCapture::DELETE", XS_Tie_Hash_NamedCapture_DELETE, file); | |
276 | newXS("Tie::Hash::NamedCapture::CLEAR", XS_Tie_Hash_NamedCapture_CLEAR, file); | |
277 | newXS("Tie::Hash::NamedCapture::EXISTS", XS_Tie_Hash_NamedCapture_EXISTS, file); | |
86aa3d53 CB |
278 | newXS("Tie::Hash::NamedCapture::FIRSTKEY", XS_Tie_Hash_NamedCapture_FIRSTK, file); |
279 | newXS("Tie::Hash::NamedCapture::NEXTKEY", XS_Tie_Hash_NamedCapture_NEXTK, file); | |
192b9cd1 AB |
280 | newXS("Tie::Hash::NamedCapture::SCALAR", XS_Tie_Hash_NamedCapture_SCALAR, file); |
281 | newXS("Tie::Hash::NamedCapture::flags", XS_Tie_Hash_NamedCapture_flags, file); | |
0cb96387 GS |
282 | } |
283 | ||
afa74d42 NC |
284 | /* |
285 | =for apidoc croak_xs_usage | |
286 | ||
287 | A specialised variant of C<croak()> for emitting the usage message for xsubs | |
288 | ||
289 | croak_xs_usage(cv, "eee_yow"); | |
290 | ||
291 | works out the package name and subroutine name from C<cv>, and then calls | |
292 | C<croak()>. Hence if C<cv> is C<&ouch::awk>, it would call C<croak> as: | |
293 | ||
294 | Perl_croak(aTHX_ "Usage %s::%s(%s)", "ouch" "awk", "eee_yow"); | |
295 | ||
296 | =cut | |
297 | */ | |
298 | ||
299 | void | |
300 | Perl_croak_xs_usage(pTHX_ const CV *const cv, const char *const params) | |
301 | { | |
302 | const GV *const gv = CvGV(cv); | |
303 | ||
304 | PERL_ARGS_ASSERT_CROAK_XS_USAGE; | |
305 | ||
306 | if (gv) { | |
307 | const char *const gvname = GvNAME(gv); | |
308 | const HV *const stash = GvSTASH(gv); | |
309 | const char *const hvname = stash ? HvNAME_get(stash) : NULL; | |
310 | ||
311 | if (hvname) | |
312 | Perl_croak(aTHX_ "Usage: %s::%s(%s)", hvname, gvname, params); | |
313 | else | |
314 | Perl_croak(aTHX_ "Usage: %s(%s)", gvname, params); | |
315 | } else { | |
316 | /* Pants. I don't think that it should be possible to get here. */ | |
93c51217 | 317 | Perl_croak(aTHX_ "Usage: CODE(0x%"UVxf")(%s)", PTR2UV(cv), params); |
afa74d42 NC |
318 | } |
319 | } | |
55497cff | 320 | |
6d4a7be2 | 321 | XS(XS_UNIVERSAL_isa) |
322 | { | |
97aff369 | 323 | dVAR; |
6d4a7be2 | 324 | dXSARGS; |
6d4a7be2 | 325 | |
326 | if (items != 2) | |
afa74d42 | 327 | croak_xs_usage(cv, "reference, kind"); |
c4420975 AL |
328 | else { |
329 | SV * const sv = ST(0); | |
330 | const char *name; | |
6d4a7be2 | 331 | |
c4420975 | 332 | SvGETMAGIC(sv); |
d3f7f2b2 | 333 | |
c4420975 AL |
334 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
335 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) | |
336 | XSRETURN_UNDEF; | |
f8f70380 | 337 | |
c4420975 | 338 | name = SvPV_nolen_const(ST(1)); |
6d4a7be2 | 339 | |
c4420975 AL |
340 | ST(0) = boolSV(sv_derived_from(sv, name)); |
341 | XSRETURN(1); | |
342 | } | |
6d4a7be2 | 343 | } |
344 | ||
6d4a7be2 | 345 | XS(XS_UNIVERSAL_can) |
346 | { | |
97aff369 | 347 | dVAR; |
6d4a7be2 | 348 | dXSARGS; |
349 | SV *sv; | |
6867be6d | 350 | const char *name; |
6d4a7be2 | 351 | SV *rv; |
6f08146e | 352 | HV *pkg = NULL; |
6d4a7be2 | 353 | |
354 | if (items != 2) | |
afa74d42 | 355 | croak_xs_usage(cv, "object-ref, method"); |
6d4a7be2 | 356 | |
357 | sv = ST(0); | |
f8f70380 | 358 | |
5b295bef | 359 | SvGETMAGIC(sv); |
d3f7f2b2 | 360 | |
253ecd6d RGS |
361 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
362 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) | |
f8f70380 GS |
363 | XSRETURN_UNDEF; |
364 | ||
0510663f | 365 | name = SvPV_nolen_const(ST(1)); |
3280af22 | 366 | rv = &PL_sv_undef; |
6d4a7be2 | 367 | |
46e4b22b | 368 | if (SvROK(sv)) { |
6f08146e | 369 | sv = (SV*)SvRV(sv); |
46e4b22b | 370 | if (SvOBJECT(sv)) |
6f08146e NIS |
371 | pkg = SvSTASH(sv); |
372 | } | |
373 | else { | |
da51bb9b | 374 | pkg = gv_stashsv(sv, 0); |
6f08146e NIS |
375 | } |
376 | ||
377 | if (pkg) { | |
c4420975 | 378 | GV * const gv = gv_fetchmethod_autoload(pkg, name, FALSE); |
dc848c6f | 379 | if (gv && isGV(gv)) |
380 | rv = sv_2mortal(newRV((SV*)GvCV(gv))); | |
6d4a7be2 | 381 | } |
382 | ||
383 | ST(0) = rv; | |
384 | XSRETURN(1); | |
385 | } | |
386 | ||
cbc021f9 | 387 | XS(XS_UNIVERSAL_DOES) |
388 | { | |
389 | dVAR; | |
390 | dXSARGS; | |
58c0efa5 | 391 | PERL_UNUSED_ARG(cv); |
cbc021f9 | 392 | |
393 | if (items != 2) | |
26be3db7 | 394 | Perl_croak(aTHX_ "Usage: invocant->DOES(kind)"); |
cbc021f9 | 395 | else { |
396 | SV * const sv = ST(0); | |
397 | const char *name; | |
398 | ||
399 | name = SvPV_nolen_const(ST(1)); | |
400 | if (sv_does( sv, name )) | |
401 | XSRETURN_YES; | |
402 | ||
403 | XSRETURN_NO; | |
404 | } | |
405 | } | |
406 | ||
6d4a7be2 | 407 | XS(XS_UNIVERSAL_VERSION) |
408 | { | |
97aff369 | 409 | dVAR; |
6d4a7be2 | 410 | dXSARGS; |
411 | HV *pkg; | |
412 | GV **gvp; | |
413 | GV *gv; | |
414 | SV *sv; | |
e1ec3a88 | 415 | const char *undef; |
58c0efa5 | 416 | PERL_UNUSED_ARG(cv); |
6d4a7be2 | 417 | |
1571675a | 418 | if (SvROK(ST(0))) { |
6d4a7be2 | 419 | sv = (SV*)SvRV(ST(0)); |
1571675a | 420 | if (!SvOBJECT(sv)) |
cea2e8a9 | 421 | Perl_croak(aTHX_ "Cannot find version of an unblessed reference"); |
6d4a7be2 | 422 | pkg = SvSTASH(sv); |
423 | } | |
424 | else { | |
da51bb9b | 425 | pkg = gv_stashsv(ST(0), 0); |
6d4a7be2 | 426 | } |
427 | ||
4608196e | 428 | gvp = pkg ? (GV**)hv_fetchs(pkg, "VERSION", FALSE) : NULL; |
6d4a7be2 | 429 | |
0008872a | 430 | if (gvp && isGV(gv = *gvp) && (sv = GvSV(gv)) && SvOK(sv)) { |
c4420975 | 431 | SV * const nsv = sv_newmortal(); |
6d4a7be2 | 432 | sv_setsv(nsv, sv); |
433 | sv = nsv; | |
137d6fc0 | 434 | if ( !sv_derived_from(sv, "version")) |
ac0e6a2f | 435 | upg_version(sv, FALSE); |
c445ea15 | 436 | undef = NULL; |
6d4a7be2 | 437 | } |
438 | else { | |
3280af22 | 439 | sv = (SV*)&PL_sv_undef; |
6d4a7be2 | 440 | undef = "(undef)"; |
441 | } | |
442 | ||
1571675a | 443 | if (items > 1) { |
1571675a GS |
444 | SV *req = ST(1); |
445 | ||
62658f4d | 446 | if (undef) { |
bfcb3514 | 447 | if (pkg) { |
c4420975 | 448 | const char * const name = HvNAME_get(pkg); |
a3b680e6 | 449 | Perl_croak(aTHX_ |
bfcb3514 NC |
450 | "%s does not define $%s::VERSION--version check failed", |
451 | name, name); | |
452 | } else { | |
a3b680e6 AL |
453 | Perl_croak(aTHX_ |
454 | "%s defines neither package nor VERSION--version check failed", | |
0510663f | 455 | SvPVx_nolen_const(ST(0)) ); |
62658f4d PM |
456 | } |
457 | } | |
ad63d80f | 458 | |
137d6fc0 JP |
459 | if ( !sv_derived_from(req, "version")) { |
460 | /* req may very well be R/O, so create a new object */ | |
ac0e6a2f | 461 | req = sv_2mortal( new_version(req) ); |
137d6fc0 | 462 | } |
1571675a | 463 | |
ac0e6a2f RGS |
464 | if ( vcmp( req, sv ) > 0 ) { |
465 | if ( hv_exists((HV*)SvRV(req), "qv", 2 ) ) { | |
466 | Perl_croak(aTHX_ "%s version %"SVf" required--" | |
467 | "this is only version %"SVf"", HvNAME_get(pkg), | |
be2597df | 468 | SVfARG(vnormal(req)), |
be2597df | 469 | SVfARG(vnormal(sv))); |
ac0e6a2f RGS |
470 | } else { |
471 | Perl_croak(aTHX_ "%s version %"SVf" required--" | |
472 | "this is only version %"SVf"", HvNAME_get(pkg), | |
8cb289bd RGS |
473 | SVfARG(vstringify(req)), |
474 | SVfARG(vstringify(sv))); | |
ac0e6a2f RGS |
475 | } |
476 | } | |
477 | ||
2d8e6c8d | 478 | } |
6d4a7be2 | 479 | |
2b140d5b | 480 | if ( SvOK(sv) && sv_derived_from(sv, "version") ) { |
8cb289bd | 481 | ST(0) = vstringify(sv); |
13f8f398 JP |
482 | } else { |
483 | ST(0) = sv; | |
b38a9dc5 | 484 | } |
6d4a7be2 | 485 | |
486 | XSRETURN(1); | |
487 | } | |
488 | ||
439cb1c4 JP |
489 | XS(XS_version_new) |
490 | { | |
97aff369 | 491 | dVAR; |
439cb1c4 | 492 | dXSARGS; |
129318bd | 493 | if (items > 3) |
afa74d42 | 494 | croak_xs_usage(cv, "class, version"); |
439cb1c4 JP |
495 | SP -= items; |
496 | { | |
137d6fc0 JP |
497 | SV *vs = ST(1); |
498 | SV *rv; | |
c4420975 AL |
499 | const char * const classname = |
500 | sv_isobject(ST(0)) /* get the class if called as an object method */ | |
501 | ? HvNAME(SvSTASH(SvRV(ST(0)))) | |
502 | : (char *)SvPV_nolen(ST(0)); | |
9137345a | 503 | |
92dcf8ce JP |
504 | if ( items == 1 || vs == &PL_sv_undef ) { /* no param or explicit undef */ |
505 | /* create empty object */ | |
506 | vs = sv_newmortal(); | |
507 | sv_setpvn(vs,"",0); | |
9137345a JP |
508 | } |
509 | else if ( items == 3 ) { | |
510 | vs = sv_newmortal(); | |
cfd0369c | 511 | Perl_sv_setpvf(aTHX_ vs,"v%s",SvPV_nolen_const(ST(2))); |
129318bd | 512 | } |
439cb1c4 | 513 | |
137d6fc0 | 514 | rv = new_version(vs); |
0723351e | 515 | if ( strcmp(classname,"version") != 0 ) /* inherited new() */ |
da51bb9b | 516 | sv_bless(rv, gv_stashpv(classname, GV_ADD)); |
137d6fc0 | 517 | |
6e449a3a | 518 | mPUSHs(rv); |
439cb1c4 JP |
519 | PUTBACK; |
520 | return; | |
521 | } | |
522 | } | |
523 | ||
524 | XS(XS_version_stringify) | |
525 | { | |
97aff369 | 526 | dVAR; |
41be1fbd JH |
527 | dXSARGS; |
528 | if (items < 1) | |
afa74d42 | 529 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd JH |
530 | SP -= items; |
531 | { | |
7452cf6a | 532 | SV * lobj; |
41be1fbd JH |
533 | |
534 | if (sv_derived_from(ST(0), "version")) { | |
9137345a | 535 | lobj = SvRV(ST(0)); |
41be1fbd JH |
536 | } |
537 | else | |
538 | Perl_croak(aTHX_ "lobj is not of type version"); | |
539 | ||
6e449a3a | 540 | mPUSHs(vstringify(lobj)); |
41be1fbd JH |
541 | |
542 | PUTBACK; | |
543 | return; | |
544 | } | |
439cb1c4 JP |
545 | } |
546 | ||
547 | XS(XS_version_numify) | |
548 | { | |
97aff369 | 549 | dVAR; |
41be1fbd JH |
550 | dXSARGS; |
551 | if (items < 1) | |
afa74d42 | 552 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd JH |
553 | SP -= items; |
554 | { | |
7452cf6a | 555 | SV * lobj; |
41be1fbd JH |
556 | |
557 | if (sv_derived_from(ST(0), "version")) { | |
9137345a | 558 | lobj = SvRV(ST(0)); |
41be1fbd JH |
559 | } |
560 | else | |
561 | Perl_croak(aTHX_ "lobj is not of type version"); | |
562 | ||
6e449a3a | 563 | mPUSHs(vnumify(lobj)); |
41be1fbd JH |
564 | |
565 | PUTBACK; | |
566 | return; | |
567 | } | |
439cb1c4 JP |
568 | } |
569 | ||
9137345a JP |
570 | XS(XS_version_normal) |
571 | { | |
97aff369 | 572 | dVAR; |
9137345a JP |
573 | dXSARGS; |
574 | if (items < 1) | |
afa74d42 | 575 | croak_xs_usage(cv, "lobj, ..."); |
9137345a JP |
576 | SP -= items; |
577 | { | |
7452cf6a | 578 | SV * lobj; |
9137345a JP |
579 | |
580 | if (sv_derived_from(ST(0), "version")) { | |
581 | lobj = SvRV(ST(0)); | |
582 | } | |
583 | else | |
584 | Perl_croak(aTHX_ "lobj is not of type version"); | |
585 | ||
6e449a3a | 586 | mPUSHs(vnormal(lobj)); |
9137345a JP |
587 | |
588 | PUTBACK; | |
589 | return; | |
590 | } | |
591 | } | |
592 | ||
439cb1c4 JP |
593 | XS(XS_version_vcmp) |
594 | { | |
97aff369 | 595 | dVAR; |
41be1fbd JH |
596 | dXSARGS; |
597 | if (items < 1) | |
afa74d42 | 598 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd JH |
599 | SP -= items; |
600 | { | |
7452cf6a | 601 | SV * lobj; |
41be1fbd JH |
602 | |
603 | if (sv_derived_from(ST(0), "version")) { | |
9137345a | 604 | lobj = SvRV(ST(0)); |
41be1fbd JH |
605 | } |
606 | else | |
607 | Perl_croak(aTHX_ "lobj is not of type version"); | |
608 | ||
609 | { | |
610 | SV *rs; | |
611 | SV *rvs; | |
612 | SV * robj = ST(1); | |
7452cf6a | 613 | const IV swap = (IV)SvIV(ST(2)); |
41be1fbd JH |
614 | |
615 | if ( ! sv_derived_from(robj, "version") ) | |
616 | { | |
617 | robj = new_version(robj); | |
618 | } | |
619 | rvs = SvRV(robj); | |
620 | ||
621 | if ( swap ) | |
622 | { | |
623 | rs = newSViv(vcmp(rvs,lobj)); | |
624 | } | |
625 | else | |
626 | { | |
627 | rs = newSViv(vcmp(lobj,rvs)); | |
628 | } | |
629 | ||
6e449a3a | 630 | mPUSHs(rs); |
41be1fbd JH |
631 | } |
632 | ||
633 | PUTBACK; | |
634 | return; | |
635 | } | |
439cb1c4 JP |
636 | } |
637 | ||
638 | XS(XS_version_boolean) | |
639 | { | |
97aff369 JH |
640 | dVAR; |
641 | dXSARGS; | |
642 | if (items < 1) | |
afa74d42 | 643 | croak_xs_usage(cv, "lobj, ..."); |
97aff369 | 644 | SP -= items; |
c4420975 AL |
645 | if (sv_derived_from(ST(0), "version")) { |
646 | SV * const lobj = SvRV(ST(0)); | |
396482e1 | 647 | SV * const rs = newSViv( vcmp(lobj,new_version(newSVpvs("0"))) ); |
6e449a3a | 648 | mPUSHs(rs); |
c4420975 AL |
649 | PUTBACK; |
650 | return; | |
651 | } | |
652 | else | |
653 | Perl_croak(aTHX_ "lobj is not of type version"); | |
439cb1c4 JP |
654 | } |
655 | ||
656 | XS(XS_version_noop) | |
657 | { | |
97aff369 | 658 | dVAR; |
2dfd8427 AL |
659 | dXSARGS; |
660 | if (items < 1) | |
afa74d42 | 661 | croak_xs_usage(cv, "lobj, ..."); |
2dfd8427 AL |
662 | if (sv_derived_from(ST(0), "version")) |
663 | Perl_croak(aTHX_ "operation not supported with version object"); | |
664 | else | |
665 | Perl_croak(aTHX_ "lobj is not of type version"); | |
666 | #ifndef HASATTRIBUTE_NORETURN | |
667 | XSRETURN_EMPTY; | |
668 | #endif | |
439cb1c4 JP |
669 | } |
670 | ||
c8d69e4a JP |
671 | XS(XS_version_is_alpha) |
672 | { | |
97aff369 | 673 | dVAR; |
c8d69e4a JP |
674 | dXSARGS; |
675 | if (items != 1) | |
afa74d42 | 676 | croak_xs_usage(cv, "lobj"); |
c8d69e4a | 677 | SP -= items; |
c4420975 AL |
678 | if (sv_derived_from(ST(0), "version")) { |
679 | SV * const lobj = ST(0); | |
680 | if ( hv_exists((HV*)SvRV(lobj), "alpha", 5 ) ) | |
681 | XSRETURN_YES; | |
682 | else | |
683 | XSRETURN_NO; | |
c8d69e4a JP |
684 | PUTBACK; |
685 | return; | |
686 | } | |
c4420975 AL |
687 | else |
688 | Perl_croak(aTHX_ "lobj is not of type version"); | |
c8d69e4a JP |
689 | } |
690 | ||
137d6fc0 JP |
691 | XS(XS_version_qv) |
692 | { | |
97aff369 | 693 | dVAR; |
137d6fc0 JP |
694 | dXSARGS; |
695 | if (items != 1) | |
afa74d42 | 696 | croak_xs_usage(cv, "ver"); |
137d6fc0 JP |
697 | SP -= items; |
698 | { | |
699 | SV * ver = ST(0); | |
c4420975 | 700 | if ( !SvVOK(ver) ) { /* only need to do with if not already v-string */ |
ac0e6a2f RGS |
701 | SV * const rv = sv_newmortal(); |
702 | sv_setsv(rv,ver); /* make a duplicate */ | |
703 | upg_version(rv, TRUE); | |
704 | PUSHs(rv); | |
137d6fc0 JP |
705 | } |
706 | else | |
707 | { | |
6e449a3a | 708 | mPUSHs(new_version(ver)); |
137d6fc0 JP |
709 | } |
710 | ||
711 | PUTBACK; | |
712 | return; | |
713 | } | |
714 | } | |
715 | ||
8800c35a JH |
716 | XS(XS_utf8_is_utf8) |
717 | { | |
97aff369 | 718 | dVAR; |
41be1fbd JH |
719 | dXSARGS; |
720 | if (items != 1) | |
afa74d42 | 721 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
722 | else { |
723 | const SV * const sv = ST(0); | |
724 | if (SvUTF8(sv)) | |
725 | XSRETURN_YES; | |
726 | else | |
727 | XSRETURN_NO; | |
41be1fbd JH |
728 | } |
729 | XSRETURN_EMPTY; | |
8800c35a JH |
730 | } |
731 | ||
1b026014 NIS |
732 | XS(XS_utf8_valid) |
733 | { | |
97aff369 | 734 | dVAR; |
41be1fbd JH |
735 | dXSARGS; |
736 | if (items != 1) | |
afa74d42 | 737 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
738 | else { |
739 | SV * const sv = ST(0); | |
740 | STRLEN len; | |
741 | const char * const s = SvPV_const(sv,len); | |
742 | if (!SvUTF8(sv) || is_utf8_string((const U8*)s,len)) | |
743 | XSRETURN_YES; | |
744 | else | |
745 | XSRETURN_NO; | |
746 | } | |
41be1fbd | 747 | XSRETURN_EMPTY; |
1b026014 NIS |
748 | } |
749 | ||
750 | XS(XS_utf8_encode) | |
751 | { | |
97aff369 | 752 | dVAR; |
1b026014 NIS |
753 | dXSARGS; |
754 | if (items != 1) | |
afa74d42 | 755 | croak_xs_usage(cv, "sv"); |
c4420975 | 756 | sv_utf8_encode(ST(0)); |
1b026014 NIS |
757 | XSRETURN_EMPTY; |
758 | } | |
759 | ||
760 | XS(XS_utf8_decode) | |
761 | { | |
97aff369 | 762 | dVAR; |
1b026014 NIS |
763 | dXSARGS; |
764 | if (items != 1) | |
afa74d42 | 765 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
766 | else { |
767 | SV * const sv = ST(0); | |
6867be6d | 768 | const bool RETVAL = sv_utf8_decode(sv); |
1b026014 NIS |
769 | ST(0) = boolSV(RETVAL); |
770 | sv_2mortal(ST(0)); | |
771 | } | |
772 | XSRETURN(1); | |
773 | } | |
774 | ||
775 | XS(XS_utf8_upgrade) | |
776 | { | |
97aff369 | 777 | dVAR; |
1b026014 NIS |
778 | dXSARGS; |
779 | if (items != 1) | |
afa74d42 | 780 | croak_xs_usage(cv, "sv"); |
c4420975 AL |
781 | else { |
782 | SV * const sv = ST(0); | |
1b026014 NIS |
783 | STRLEN RETVAL; |
784 | dXSTARG; | |
785 | ||
786 | RETVAL = sv_utf8_upgrade(sv); | |
787 | XSprePUSH; PUSHi((IV)RETVAL); | |
788 | } | |
789 | XSRETURN(1); | |
790 | } | |
791 | ||
792 | XS(XS_utf8_downgrade) | |
793 | { | |
97aff369 | 794 | dVAR; |
1b026014 NIS |
795 | dXSARGS; |
796 | if (items < 1 || items > 2) | |
afa74d42 | 797 | croak_xs_usage(cv, "sv, failok=0"); |
c4420975 AL |
798 | else { |
799 | SV * const sv = ST(0); | |
6867be6d AL |
800 | const bool failok = (items < 2) ? 0 : (int)SvIV(ST(1)); |
801 | const bool RETVAL = sv_utf8_downgrade(sv, failok); | |
1b026014 | 802 | |
1b026014 NIS |
803 | ST(0) = boolSV(RETVAL); |
804 | sv_2mortal(ST(0)); | |
805 | } | |
806 | XSRETURN(1); | |
807 | } | |
808 | ||
809 | XS(XS_utf8_native_to_unicode) | |
810 | { | |
97aff369 | 811 | dVAR; |
1b026014 | 812 | dXSARGS; |
6867be6d | 813 | const UV uv = SvUV(ST(0)); |
b7953727 JH |
814 | |
815 | if (items > 1) | |
afa74d42 | 816 | croak_xs_usage(cv, "sv"); |
b7953727 | 817 | |
1b026014 NIS |
818 | ST(0) = sv_2mortal(newSViv(NATIVE_TO_UNI(uv))); |
819 | XSRETURN(1); | |
820 | } | |
821 | ||
822 | XS(XS_utf8_unicode_to_native) | |
823 | { | |
97aff369 | 824 | dVAR; |
1b026014 | 825 | dXSARGS; |
6867be6d | 826 | const UV uv = SvUV(ST(0)); |
b7953727 JH |
827 | |
828 | if (items > 1) | |
afa74d42 | 829 | croak_xs_usage(cv, "sv"); |
b7953727 | 830 | |
1b026014 NIS |
831 | ST(0) = sv_2mortal(newSViv(UNI_TO_NATIVE(uv))); |
832 | XSRETURN(1); | |
833 | } | |
834 | ||
14a976d6 | 835 | XS(XS_Internals_SvREADONLY) /* This is dangerous stuff. */ |
29569577 | 836 | { |
97aff369 | 837 | dVAR; |
29569577 | 838 | dXSARGS; |
c4420975 | 839 | SV * const sv = SvRV(ST(0)); |
58c0efa5 | 840 | PERL_UNUSED_ARG(cv); |
6867be6d | 841 | |
29569577 JH |
842 | if (items == 1) { |
843 | if (SvREADONLY(sv)) | |
844 | XSRETURN_YES; | |
845 | else | |
846 | XSRETURN_NO; | |
847 | } | |
848 | else if (items == 2) { | |
849 | if (SvTRUE(ST(1))) { | |
850 | SvREADONLY_on(sv); | |
851 | XSRETURN_YES; | |
852 | } | |
853 | else { | |
14a976d6 | 854 | /* I hope you really know what you are doing. */ |
29569577 JH |
855 | SvREADONLY_off(sv); |
856 | XSRETURN_NO; | |
857 | } | |
858 | } | |
14a976d6 | 859 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 JH |
860 | } |
861 | ||
14a976d6 | 862 | XS(XS_Internals_SvREFCNT) /* This is dangerous stuff. */ |
29569577 | 863 | { |
97aff369 | 864 | dVAR; |
29569577 | 865 | dXSARGS; |
c4420975 | 866 | SV * const sv = SvRV(ST(0)); |
58c0efa5 | 867 | PERL_UNUSED_ARG(cv); |
6867be6d | 868 | |
29569577 | 869 | if (items == 1) |
14a976d6 | 870 | XSRETURN_IV(SvREFCNT(sv) - 1); /* Minus the ref created for us. */ |
29569577 | 871 | else if (items == 2) { |
14a976d6 | 872 | /* I hope you really know what you are doing. */ |
29569577 JH |
873 | SvREFCNT(sv) = SvIV(ST(1)); |
874 | XSRETURN_IV(SvREFCNT(sv)); | |
875 | } | |
14a976d6 | 876 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 JH |
877 | } |
878 | ||
f044d0d1 | 879 | XS(XS_Internals_hv_clear_placehold) |
dfd4ef2f | 880 | { |
97aff369 | 881 | dVAR; |
dfd4ef2f | 882 | dXSARGS; |
6867be6d | 883 | |
3540d4ce | 884 | if (items != 1) |
afa74d42 | 885 | croak_xs_usage(cv, "hv"); |
c4420975 AL |
886 | else { |
887 | HV * const hv = (HV *) SvRV(ST(0)); | |
888 | hv_clear_placeholders(hv); | |
889 | XSRETURN(0); | |
890 | } | |
dfd4ef2f | 891 | } |
39f7a870 | 892 | |
f63535fc NC |
893 | XS(XS_Regexp_DESTROY) |
894 | { | |
895 | PERL_UNUSED_CONTEXT; | |
896 | PERL_UNUSED_ARG(cv); | |
897 | } | |
898 | ||
39f7a870 JH |
899 | XS(XS_PerlIO_get_layers) |
900 | { | |
97aff369 | 901 | dVAR; |
39f7a870 JH |
902 | dXSARGS; |
903 | if (items < 1 || items % 2 == 0) | |
afa74d42 | 904 | croak_xs_usage(cv, "filehandle[,args]"); |
5fef3b4a | 905 | #ifdef USE_PERLIO |
39f7a870 JH |
906 | { |
907 | SV * sv; | |
908 | GV * gv; | |
909 | IO * io; | |
910 | bool input = TRUE; | |
911 | bool details = FALSE; | |
912 | ||
913 | if (items > 1) { | |
c4420975 | 914 | SV * const *svp; |
39f7a870 | 915 | for (svp = MARK + 2; svp <= SP; svp += 2) { |
c4420975 AL |
916 | SV * const * const varp = svp; |
917 | SV * const * const valp = svp + 1; | |
39f7a870 | 918 | STRLEN klen; |
c4420975 | 919 | const char * const key = SvPV_const(*varp, klen); |
39f7a870 JH |
920 | |
921 | switch (*key) { | |
922 | case 'i': | |
923 | if (klen == 5 && memEQ(key, "input", 5)) { | |
924 | input = SvTRUE(*valp); | |
925 | break; | |
926 | } | |
927 | goto fail; | |
928 | case 'o': | |
929 | if (klen == 6 && memEQ(key, "output", 6)) { | |
930 | input = !SvTRUE(*valp); | |
931 | break; | |
932 | } | |
933 | goto fail; | |
934 | case 'd': | |
935 | if (klen == 7 && memEQ(key, "details", 7)) { | |
936 | details = SvTRUE(*valp); | |
937 | break; | |
938 | } | |
939 | goto fail; | |
940 | default: | |
941 | fail: | |
942 | Perl_croak(aTHX_ | |
943 | "get_layers: unknown argument '%s'", | |
944 | key); | |
945 | } | |
946 | } | |
947 | ||
948 | SP -= (items - 1); | |
949 | } | |
950 | ||
951 | sv = POPs; | |
952 | gv = (GV*)sv; | |
953 | ||
954 | if (!isGV(sv)) { | |
955 | if (SvROK(sv) && isGV(SvRV(sv))) | |
956 | gv = (GV*)SvRV(sv); | |
671d49be | 957 | else if (SvPOKp(sv)) |
f776e3cd | 958 | gv = gv_fetchsv(sv, 0, SVt_PVIO); |
39f7a870 JH |
959 | } |
960 | ||
961 | if (gv && (io = GvIO(gv))) { | |
c4420975 | 962 | AV* const av = PerlIO_get_layers(aTHX_ input ? |
39f7a870 JH |
963 | IoIFP(io) : IoOFP(io)); |
964 | I32 i; | |
c4420975 | 965 | const I32 last = av_len(av); |
39f7a870 JH |
966 | I32 nitem = 0; |
967 | ||
968 | for (i = last; i >= 0; i -= 3) { | |
c4420975 AL |
969 | SV * const * const namsvp = av_fetch(av, i - 2, FALSE); |
970 | SV * const * const argsvp = av_fetch(av, i - 1, FALSE); | |
971 | SV * const * const flgsvp = av_fetch(av, i, FALSE); | |
39f7a870 | 972 | |
c4420975 AL |
973 | const bool namok = namsvp && *namsvp && SvPOK(*namsvp); |
974 | const bool argok = argsvp && *argsvp && SvPOK(*argsvp); | |
975 | const bool flgok = flgsvp && *flgsvp && SvIOK(*flgsvp); | |
39f7a870 JH |
976 | |
977 | if (details) { | |
92e45a3e NC |
978 | /* Indents of 5? Yuck. */ |
979 | /* We know that PerlIO_get_layers creates a new SV for | |
980 | the name and flags, so we can just take a reference | |
981 | and "steal" it when we free the AV below. */ | |
ec3bab8e | 982 | XPUSHs(namok |
92e45a3e | 983 | ? sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp)) |
ec3bab8e NC |
984 | : &PL_sv_undef); |
985 | XPUSHs(argok | |
92e45a3e NC |
986 | ? newSVpvn_flags(SvPVX_const(*argsvp), |
987 | SvCUR(*argsvp), | |
988 | (SvUTF8(*argsvp) ? SVf_UTF8 : 0) | |
989 | | SVs_TEMP) | |
990 | : &PL_sv_undef); | |
991 | XPUSHs(namok | |
992 | ? sv_2mortal(SvREFCNT_inc_simple_NN(*flgsvp)) | |
ec3bab8e | 993 | : &PL_sv_undef); |
39f7a870 JH |
994 | nitem += 3; |
995 | } | |
996 | else { | |
997 | if (namok && argok) | |
1eb9e81d | 998 | XPUSHs(sv_2mortal(Perl_newSVpvf(aTHX_ "%"SVf"(%"SVf")", |
be2597df | 999 | SVfARG(*namsvp), |
1eb9e81d | 1000 | SVfARG(*argsvp)))); |
39f7a870 | 1001 | else if (namok) |
92e45a3e | 1002 | XPUSHs(sv_2mortal(SvREFCNT_inc_simple_NN(*namsvp))); |
39f7a870 JH |
1003 | else |
1004 | XPUSHs(&PL_sv_undef); | |
1005 | nitem++; | |
1006 | if (flgok) { | |
c4420975 | 1007 | const IV flags = SvIVX(*flgsvp); |
39f7a870 JH |
1008 | |
1009 | if (flags & PERLIO_F_UTF8) { | |
84bafc02 | 1010 | XPUSHs(newSVpvs_flags("utf8", SVs_TEMP)); |
39f7a870 JH |
1011 | nitem++; |
1012 | } | |
1013 | } | |
1014 | } | |
1015 | } | |
1016 | ||
1017 | SvREFCNT_dec(av); | |
1018 | ||
1019 | XSRETURN(nitem); | |
1020 | } | |
1021 | } | |
5fef3b4a | 1022 | #endif |
39f7a870 JH |
1023 | |
1024 | XSRETURN(0); | |
1025 | } | |
1026 | ||
9a7034eb | 1027 | XS(XS_Internals_hash_seed) |
c910b28a | 1028 | { |
97aff369 | 1029 | dVAR; |
c85d3f85 NC |
1030 | /* Using dXSARGS would also have dITEM and dSP, |
1031 | * which define 2 unused local variables. */ | |
557b887a | 1032 | dAXMARK; |
53c1dcc0 | 1033 | PERL_UNUSED_ARG(cv); |
ad73156c | 1034 | PERL_UNUSED_VAR(mark); |
81eaca17 | 1035 | XSRETURN_UV(PERL_HASH_SEED); |
c910b28a JH |
1036 | } |
1037 | ||
008fb0c0 | 1038 | XS(XS_Internals_rehash_seed) |
8e90d776 | 1039 | { |
97aff369 | 1040 | dVAR; |
8e90d776 NC |
1041 | /* Using dXSARGS would also have dITEM and dSP, |
1042 | * which define 2 unused local variables. */ | |
557b887a | 1043 | dAXMARK; |
53c1dcc0 | 1044 | PERL_UNUSED_ARG(cv); |
ad73156c | 1045 | PERL_UNUSED_VAR(mark); |
008fb0c0 | 1046 | XSRETURN_UV(PL_rehash_seed); |
8e90d776 NC |
1047 | } |
1048 | ||
05619474 NC |
1049 | XS(XS_Internals_HvREHASH) /* Subject to change */ |
1050 | { | |
97aff369 | 1051 | dVAR; |
05619474 | 1052 | dXSARGS; |
93c51217 | 1053 | PERL_UNUSED_ARG(cv); |
05619474 | 1054 | if (SvROK(ST(0))) { |
c4420975 | 1055 | const HV * const hv = (HV *) SvRV(ST(0)); |
05619474 NC |
1056 | if (items == 1 && SvTYPE(hv) == SVt_PVHV) { |
1057 | if (HvREHASH(hv)) | |
1058 | XSRETURN_YES; | |
1059 | else | |
1060 | XSRETURN_NO; | |
1061 | } | |
1062 | } | |
1063 | Perl_croak(aTHX_ "Internals::HvREHASH $hashref"); | |
1064 | } | |
241d1a3b | 1065 | |
80305961 YO |
1066 | XS(XS_re_is_regexp) |
1067 | { | |
1068 | dVAR; | |
1069 | dXSARGS; | |
f7e71195 AB |
1070 | PERL_UNUSED_VAR(cv); |
1071 | ||
80305961 | 1072 | if (items != 1) |
afa74d42 | 1073 | croak_xs_usage(cv, "sv"); |
f7e71195 | 1074 | |
80305961 | 1075 | SP -= items; |
f7e71195 AB |
1076 | |
1077 | if (SvRXOK(ST(0))) { | |
1078 | XSRETURN_YES; | |
1079 | } else { | |
1080 | XSRETURN_NO; | |
80305961 YO |
1081 | } |
1082 | } | |
1083 | ||
192b9cd1 | 1084 | XS(XS_re_regnames_count) |
80305961 | 1085 | { |
192b9cd1 AB |
1086 | REGEXP *rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1087 | SV * ret; | |
80305961 YO |
1088 | dVAR; |
1089 | dXSARGS; | |
192b9cd1 AB |
1090 | |
1091 | if (items != 0) | |
afa74d42 | 1092 | croak_xs_usage(cv, ""); |
192b9cd1 AB |
1093 | |
1094 | SP -= items; | |
1095 | ||
1096 | if (!rx) | |
1097 | XSRETURN_UNDEF; | |
1098 | ||
1099 | ret = CALLREG_NAMED_BUFF_COUNT(rx); | |
1100 | ||
1101 | SPAGAIN; | |
1102 | ||
1103 | if (ret) { | |
ec83ea38 | 1104 | mXPUSHs(ret); |
192b9cd1 AB |
1105 | PUTBACK; |
1106 | return; | |
1107 | } else { | |
1108 | XSRETURN_UNDEF; | |
1109 | } | |
1110 | } | |
1111 | ||
1112 | XS(XS_re_regname) | |
1113 | { | |
1114 | dVAR; | |
1115 | dXSARGS; | |
1116 | REGEXP * rx; | |
1117 | U32 flags; | |
1118 | SV * ret; | |
1119 | ||
28d8d7f4 | 1120 | if (items < 1 || items > 2) |
afa74d42 | 1121 | croak_xs_usage(cv, "name[, all ]"); |
192b9cd1 | 1122 | |
80305961 | 1123 | SP -= items; |
80305961 | 1124 | |
192b9cd1 AB |
1125 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1126 | ||
1127 | if (!rx) | |
1128 | XSRETURN_UNDEF; | |
1129 | ||
1130 | if (items == 2 && SvTRUE(ST(1))) { | |
f1b875a0 | 1131 | flags = RXapif_ALL; |
192b9cd1 | 1132 | } else { |
f1b875a0 | 1133 | flags = RXapif_ONE; |
80305961 | 1134 | } |
f1b875a0 | 1135 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(0), (flags | RXapif_REGNAME)); |
192b9cd1 AB |
1136 | |
1137 | if (ret) { | |
ec83ea38 | 1138 | mXPUSHs(ret); |
192b9cd1 AB |
1139 | XSRETURN(1); |
1140 | } | |
1141 | XSRETURN_UNDEF; | |
80305961 YO |
1142 | } |
1143 | ||
192b9cd1 | 1144 | |
80305961 YO |
1145 | XS(XS_re_regnames) |
1146 | { | |
192b9cd1 | 1147 | dVAR; |
80305961 | 1148 | dXSARGS; |
192b9cd1 AB |
1149 | REGEXP * rx; |
1150 | U32 flags; | |
1151 | SV *ret; | |
1152 | AV *av; | |
1153 | I32 length; | |
1154 | I32 i; | |
1155 | SV **entry; | |
1156 | ||
1157 | if (items > 1) | |
afa74d42 | 1158 | croak_xs_usage(cv, "[all]"); |
192b9cd1 AB |
1159 | |
1160 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1161 | ||
1162 | if (!rx) | |
1163 | XSRETURN_UNDEF; | |
1164 | ||
1165 | if (items == 1 && SvTRUE(ST(0))) { | |
f1b875a0 | 1166 | flags = RXapif_ALL; |
192b9cd1 | 1167 | } else { |
f1b875a0 | 1168 | flags = RXapif_ONE; |
192b9cd1 AB |
1169 | } |
1170 | ||
80305961 | 1171 | SP -= items; |
80305961 | 1172 | |
f1b875a0 | 1173 | ret = CALLREG_NAMED_BUFF_ALL(rx, (flags | RXapif_REGNAMES)); |
192b9cd1 AB |
1174 | |
1175 | SPAGAIN; | |
1176 | ||
1177 | SP -= items; | |
1178 | ||
1179 | if (!ret) | |
1180 | XSRETURN_UNDEF; | |
1181 | ||
1182 | av = (AV*)SvRV(ret); | |
1183 | length = av_len(av); | |
1184 | ||
1185 | for (i = 0; i <= length; i++) { | |
1186 | entry = av_fetch(av, i, FALSE); | |
1187 | ||
1188 | if (!entry) | |
1189 | Perl_croak(aTHX_ "NULL array element in re::regnames()"); | |
1190 | ||
ec83ea38 | 1191 | mXPUSHs(SvREFCNT_inc_simple_NN(*entry)); |
80305961 | 1192 | } |
ec83ea38 MHM |
1193 | |
1194 | SvREFCNT_dec(ret); | |
1195 | ||
192b9cd1 AB |
1196 | PUTBACK; |
1197 | return; | |
80305961 YO |
1198 | } |
1199 | ||
192c1e27 JH |
1200 | XS(XS_re_regexp_pattern) |
1201 | { | |
1202 | dVAR; | |
1203 | dXSARGS; | |
1204 | REGEXP *re; | |
192c1e27 JH |
1205 | |
1206 | if (items != 1) | |
afa74d42 | 1207 | croak_xs_usage(cv, "sv"); |
192c1e27 JH |
1208 | |
1209 | SP -= items; | |
1210 | ||
1211 | /* | |
1212 | Checks if a reference is a regex or not. If the parameter is | |
1213 | not a ref, or is not the result of a qr// then returns false | |
1214 | in scalar context and an empty list in list context. | |
1215 | Otherwise in list context it returns the pattern and the | |
1216 | modifiers, in scalar context it returns the pattern just as it | |
1217 | would if the qr// was stringified normally, regardless as | |
1218 | to the class of the variable and any strigification overloads | |
1219 | on the object. | |
1220 | */ | |
1221 | ||
1222 | if ((re = SvRX(ST(0)))) /* assign deliberate */ | |
1223 | { | |
1224 | /* Housten, we have a regex! */ | |
1225 | SV *pattern; | |
1226 | STRLEN left = 0; | |
1227 | char reflags[6]; | |
1228 | ||
1229 | if ( GIMME_V == G_ARRAY ) { | |
1230 | /* | |
1231 | we are in list context so stringify | |
1232 | the modifiers that apply. We ignore "negative | |
1233 | modifiers" in this scenario. | |
1234 | */ | |
1235 | ||
1236 | const char *fptr = INT_PAT_MODS; | |
1237 | char ch; | |
1238 | U16 match_flags = (U16)((RX_EXTFLAGS(re) & PMf_COMPILETIME) | |
1239 | >> RXf_PMf_STD_PMMOD_SHIFT); | |
1240 | ||
1241 | while((ch = *fptr++)) { | |
1242 | if(match_flags & 1) { | |
1243 | reflags[left++] = ch; | |
1244 | } | |
1245 | match_flags >>= 1; | |
1246 | } | |
1247 | ||
fb632ce3 NC |
1248 | pattern = newSVpvn_flags(RX_PRECOMP(re),RX_PRELEN(re), |
1249 | (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP); | |
192c1e27 JH |
1250 | |
1251 | /* return the pattern and the modifiers */ | |
1252 | XPUSHs(pattern); | |
fb632ce3 | 1253 | XPUSHs(newSVpvn_flags(reflags, left, SVs_TEMP)); |
192c1e27 JH |
1254 | XSRETURN(2); |
1255 | } else { | |
1256 | /* Scalar, so use the string that Perl would return */ | |
1257 | /* return the pattern in (?msix:..) format */ | |
1258 | #if PERL_VERSION >= 11 | |
1259 | pattern = sv_2mortal(newSVsv((SV*)re)); | |
1260 | #else | |
fb632ce3 NC |
1261 | pattern = newSVpvn_flags(RX_WRAPPED(re), RX_WRAPLEN(re), |
1262 | (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP); | |
192c1e27 JH |
1263 | #endif |
1264 | XPUSHs(pattern); | |
1265 | XSRETURN(1); | |
1266 | } | |
1267 | } else { | |
1268 | /* It ain't a regexp folks */ | |
1269 | if ( GIMME_V == G_ARRAY ) { | |
1270 | /* return the empty list */ | |
1271 | XSRETURN_UNDEF; | |
1272 | } else { | |
1273 | /* Because of the (?:..) wrapping involved in a | |
1274 | stringified pattern it is impossible to get a | |
1275 | result for a real regexp that would evaluate to | |
1276 | false. Therefore we can return PL_sv_no to signify | |
1277 | that the object is not a regex, this means that one | |
1278 | can say | |
1279 | ||
1280 | if (regex($might_be_a_regex) eq '(?:foo)') { } | |
1281 | ||
1282 | and not worry about undefined values. | |
1283 | */ | |
1284 | XSRETURN_NO; | |
1285 | } | |
1286 | } | |
1287 | /* NOT-REACHED */ | |
1288 | } | |
1289 | ||
192b9cd1 | 1290 | XS(XS_Tie_Hash_NamedCapture_FETCH) |
80305961 | 1291 | { |
192b9cd1 | 1292 | dVAR; |
80305961 | 1293 | dXSARGS; |
192b9cd1 AB |
1294 | REGEXP * rx; |
1295 | U32 flags; | |
1296 | SV * ret; | |
1297 | ||
1298 | if (items != 2) | |
afa74d42 | 1299 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 AB |
1300 | |
1301 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1302 | ||
1303 | if (!rx) | |
1304 | XSRETURN_UNDEF; | |
1305 | ||
80305961 | 1306 | SP -= items; |
192b9cd1 AB |
1307 | |
1308 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); | |
1309 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(1), flags); | |
1310 | ||
1311 | SPAGAIN; | |
1312 | ||
1313 | if (ret) { | |
ec83ea38 | 1314 | mXPUSHs(ret); |
192b9cd1 AB |
1315 | PUTBACK; |
1316 | return; | |
1317 | } | |
1318 | XSRETURN_UNDEF; | |
1319 | } | |
1320 | ||
1321 | XS(XS_Tie_Hash_NamedCapture_STORE) | |
1322 | { | |
1323 | dVAR; | |
1324 | dXSARGS; | |
1325 | REGEXP * rx; | |
1326 | U32 flags; | |
1327 | ||
1328 | if (items != 3) | |
afa74d42 | 1329 | croak_xs_usage(cv, "$key, $value, $flags"); |
192b9cd1 AB |
1330 | |
1331 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1332 | ||
1333 | if (!rx) { | |
1334 | if (!PL_localizing) | |
1335 | Perl_croak(aTHX_ PL_no_modify); | |
1336 | else | |
28d8d7f4 | 1337 | XSRETURN_UNDEF; |
80305961 | 1338 | } |
192b9cd1 AB |
1339 | |
1340 | SP -= items; | |
1341 | ||
1342 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); | |
1343 | CALLREG_NAMED_BUFF_STORE(rx,ST(1), ST(2), flags); | |
80305961 YO |
1344 | } |
1345 | ||
192b9cd1 AB |
1346 | XS(XS_Tie_Hash_NamedCapture_DELETE) |
1347 | { | |
1348 | dVAR; | |
1349 | dXSARGS; | |
1350 | REGEXP * rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1351 | U32 flags; | |
80305961 | 1352 | |
192b9cd1 | 1353 | if (items != 2) |
afa74d42 | 1354 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 AB |
1355 | |
1356 | if (!rx) | |
1357 | Perl_croak(aTHX_ PL_no_modify); | |
1358 | ||
1359 | SP -= items; | |
1360 | ||
1361 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); | |
1362 | CALLREG_NAMED_BUFF_DELETE(rx, ST(1), flags); | |
1363 | } | |
1364 | ||
1365 | XS(XS_Tie_Hash_NamedCapture_CLEAR) | |
80305961 | 1366 | { |
192b9cd1 | 1367 | dVAR; |
80305961 | 1368 | dXSARGS; |
192b9cd1 AB |
1369 | REGEXP * rx; |
1370 | U32 flags; | |
1371 | ||
1372 | if (items != 1) | |
afa74d42 | 1373 | croak_xs_usage(cv, "$flags"); |
192b9cd1 AB |
1374 | |
1375 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1376 | ||
1377 | if (!rx) | |
1378 | Perl_croak(aTHX_ PL_no_modify); | |
1379 | ||
80305961 | 1380 | SP -= items; |
80305961 | 1381 | |
192b9cd1 AB |
1382 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1383 | CALLREG_NAMED_BUFF_CLEAR(rx, flags); | |
1384 | } | |
1385 | ||
1386 | XS(XS_Tie_Hash_NamedCapture_EXISTS) | |
1387 | { | |
1388 | dVAR; | |
1389 | dXSARGS; | |
1390 | REGEXP * rx; | |
1391 | U32 flags; | |
1392 | SV * ret; | |
1393 | ||
1394 | if (items != 2) | |
afa74d42 | 1395 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 AB |
1396 | |
1397 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1398 | ||
1399 | if (!rx) | |
28d8d7f4 | 1400 | XSRETURN_UNDEF; |
192b9cd1 AB |
1401 | |
1402 | SP -= items; | |
1403 | ||
1404 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); | |
1405 | ret = CALLREG_NAMED_BUFF_EXISTS(rx, ST(1), flags); | |
1406 | ||
1407 | SPAGAIN; | |
1408 | ||
1409 | XPUSHs(ret); | |
80305961 YO |
1410 | PUTBACK; |
1411 | return; | |
80305961 YO |
1412 | } |
1413 | ||
86aa3d53 | 1414 | XS(XS_Tie_Hash_NamedCapture_FIRSTK) |
192b9cd1 AB |
1415 | { |
1416 | dVAR; | |
1417 | dXSARGS; | |
1418 | REGEXP * rx; | |
1419 | U32 flags; | |
1420 | SV * ret; | |
80305961 | 1421 | |
192b9cd1 | 1422 | if (items != 1) |
afa74d42 | 1423 | croak_xs_usage(cv, ""); |
192b9cd1 AB |
1424 | |
1425 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1426 | ||
1427 | if (!rx) | |
1428 | XSRETURN_UNDEF; | |
1429 | ||
1430 | SP -= items; | |
1431 | ||
1432 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); | |
1433 | ret = CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags); | |
1434 | ||
1435 | SPAGAIN; | |
1436 | ||
1437 | if (ret) { | |
ec83ea38 | 1438 | mXPUSHs(ret); |
192b9cd1 AB |
1439 | PUTBACK; |
1440 | } else { | |
1441 | XSRETURN_UNDEF; | |
1442 | } | |
1443 | ||
1444 | } | |
1445 | ||
86aa3d53 | 1446 | XS(XS_Tie_Hash_NamedCapture_NEXTK) |
80305961 | 1447 | { |
192b9cd1 | 1448 | dVAR; |
80305961 | 1449 | dXSARGS; |
192b9cd1 AB |
1450 | REGEXP * rx; |
1451 | U32 flags; | |
1452 | SV * ret; | |
1453 | ||
1454 | if (items != 2) | |
afa74d42 | 1455 | croak_xs_usage(cv, "$lastkey"); |
192b9cd1 AB |
1456 | |
1457 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1458 | ||
1459 | if (!rx) | |
1460 | XSRETURN_UNDEF; | |
80305961 | 1461 | |
80305961 | 1462 | SP -= items; |
192b9cd1 AB |
1463 | |
1464 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); | |
1465 | ret = CALLREG_NAMED_BUFF_NEXTKEY(rx, ST(1), flags); | |
1466 | ||
1467 | SPAGAIN; | |
1468 | ||
1469 | if (ret) { | |
ec83ea38 | 1470 | mXPUSHs(ret); |
80305961 YO |
1471 | } else { |
1472 | XSRETURN_UNDEF; | |
1473 | } | |
1474 | PUTBACK; | |
192b9cd1 AB |
1475 | } |
1476 | ||
1477 | XS(XS_Tie_Hash_NamedCapture_SCALAR) | |
1478 | { | |
1479 | dVAR; | |
1480 | dXSARGS; | |
1481 | REGEXP * rx; | |
1482 | U32 flags; | |
1483 | SV * ret; | |
1484 | ||
1485 | if (items != 1) | |
afa74d42 | 1486 | croak_xs_usage(cv, ""); |
192b9cd1 AB |
1487 | |
1488 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; | |
1489 | ||
1490 | if (!rx) | |
1491 | XSRETURN_UNDEF; | |
1492 | ||
1493 | SP -= items; | |
1494 | ||
1495 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); | |
1496 | ret = CALLREG_NAMED_BUFF_SCALAR(rx, flags); | |
1497 | ||
1498 | SPAGAIN; | |
1499 | ||
1500 | if (ret) { | |
ec83ea38 | 1501 | mXPUSHs(ret); |
192b9cd1 AB |
1502 | PUTBACK; |
1503 | return; | |
1504 | } else { | |
1505 | XSRETURN_UNDEF; | |
1506 | } | |
1507 | } | |
1508 | ||
1509 | XS(XS_Tie_Hash_NamedCapture_flags) | |
1510 | { | |
1511 | dVAR; | |
1512 | dXSARGS; | |
1513 | ||
1514 | if (items != 0) | |
afa74d42 | 1515 | croak_xs_usage(cv, ""); |
192b9cd1 | 1516 | |
6e449a3a MHM |
1517 | mXPUSHu(RXapif_ONE); |
1518 | mXPUSHu(RXapif_ALL); | |
192b9cd1 AB |
1519 | PUTBACK; |
1520 | return; | |
80305961 YO |
1521 | } |
1522 | ||
1523 | ||
241d1a3b NC |
1524 | /* |
1525 | * Local variables: | |
1526 | * c-indentation-style: bsd | |
1527 | * c-basic-offset: 4 | |
1528 | * indent-tabs-mode: t | |
1529 | * End: | |
1530 | * | |
37442d52 RGS |
1531 | * ex: set ts=8 sts=4 sw=4 noet: |
1532 | */ |