Commit | Line | Data |
d6376244 |
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 |
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 | /* |
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 |
17 | /* This file contains the code that implements the functions in Perl's |
18 | * UNIVERSAL package, such as UNIVERSAL->can(). |
192b9cd1 |
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 |
24 | */ |
25 | |
6d4a7be2 |
26 | #include "EXTERN.h" |
864dbfa3 |
27 | #define PERL_IN_UNIVERSAL_C |
6d4a7be2 |
28 | #include "perl.h" |
6d4a7be2 |
29 | |
39f7a870 |
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 |
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 |
48 | PERL_ARGS_ASSERT_ISA_LOOKUP; |
49 | |
a49ba3fc |
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 |
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 |
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 |
75 | =head1 SV Manipulation Functions |
76 | |
954c1994 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
174 | XS(XS_version_new); |
175 | XS(XS_version_stringify); |
176 | XS(XS_version_numify); |
9137345a |
177 | XS(XS_version_normal); |
439cb1c4 |
178 | XS(XS_version_vcmp); |
179 | XS(XS_version_boolean); |
2dfd8427 |
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 |
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 |
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 |
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 |
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 |
214 | XS(XS_Tie_Hash_NamedCapture_FIRSTK); |
215 | XS(XS_Tie_Hash_NamedCapture_NEXTK); |
192b9cd1 |
216 | XS(XS_Tie_Hash_NamedCapture_SCALAR); |
217 | XS(XS_Tie_Hash_NamedCapture_flags); |
0cb96387 |
218 | |
219 | void |
220 | Perl_boot_core_UNIVERSAL(pTHX) |
221 | { |
97aff369 |
222 | dVAR; |
157e3fc8 |
223 | static const char file[] = __FILE__; |
0cb96387 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
282 | } |
283 | |
afa74d42 |
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 |
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 |
328 | else { |
329 | SV * const sv = ST(0); |
330 | const char *name; |
6d4a7be2 |
331 | |
c4420975 |
332 | SvGETMAGIC(sv); |
d3f7f2b2 |
333 | |
c4420975 |
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 |
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 |
361 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
362 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) |
f8f70380 |
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 |
371 | pkg = SvSTASH(sv); |
372 | } |
373 | else { |
da51bb9b |
374 | pkg = gv_stashsv(sv, 0); |
6f08146e |
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 |
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 |
450 | "%s does not define $%s::VERSION--version check failed", |
451 | name, name); |
452 | } else { |
a3b680e6 |
453 | Perl_croak(aTHX_ |
454 | "%s defines neither package nor VERSION--version check failed", |
0510663f |
455 | SvPVx_nolen_const(ST(0)) ); |
62658f4d |
456 | } |
457 | } |
ad63d80f |
458 | |
137d6fc0 |
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 |
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 |
470 | } else { |
471 | Perl_croak(aTHX_ "%s version %"SVf" required--" |
472 | "this is only version %"SVf"", HvNAME_get(pkg), |
8cb289bd |
473 | SVfARG(vstringify(req)), |
474 | SVfARG(vstringify(sv))); |
ac0e6a2f |
475 | } |
476 | } |
477 | |
2d8e6c8d |
478 | } |
6d4a7be2 |
479 | |
2b140d5b |
480 | if ( SvOK(sv) && sv_derived_from(sv, "version") ) { |
8cb289bd |
481 | ST(0) = vstringify(sv); |
13f8f398 |
482 | } else { |
483 | ST(0) = sv; |
b38a9dc5 |
484 | } |
6d4a7be2 |
485 | |
486 | XSRETURN(1); |
487 | } |
488 | |
439cb1c4 |
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 |
495 | SP -= items; |
496 | { |
137d6fc0 |
497 | SV *vs = ST(1); |
498 | SV *rv; |
c4420975 |
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 |
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 |
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 |
519 | PUTBACK; |
520 | return; |
521 | } |
522 | } |
523 | |
524 | XS(XS_version_stringify) |
525 | { |
97aff369 |
526 | dVAR; |
41be1fbd |
527 | dXSARGS; |
528 | if (items < 1) |
afa74d42 |
529 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd |
530 | SP -= items; |
531 | { |
7452cf6a |
532 | SV * lobj; |
41be1fbd |
533 | |
534 | if (sv_derived_from(ST(0), "version")) { |
9137345a |
535 | lobj = SvRV(ST(0)); |
41be1fbd |
536 | } |
537 | else |
538 | Perl_croak(aTHX_ "lobj is not of type version"); |
539 | |
6e449a3a |
540 | mPUSHs(vstringify(lobj)); |
41be1fbd |
541 | |
542 | PUTBACK; |
543 | return; |
544 | } |
439cb1c4 |
545 | } |
546 | |
547 | XS(XS_version_numify) |
548 | { |
97aff369 |
549 | dVAR; |
41be1fbd |
550 | dXSARGS; |
551 | if (items < 1) |
afa74d42 |
552 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd |
553 | SP -= items; |
554 | { |
7452cf6a |
555 | SV * lobj; |
41be1fbd |
556 | |
557 | if (sv_derived_from(ST(0), "version")) { |
9137345a |
558 | lobj = SvRV(ST(0)); |
41be1fbd |
559 | } |
560 | else |
561 | Perl_croak(aTHX_ "lobj is not of type version"); |
562 | |
6e449a3a |
563 | mPUSHs(vnumify(lobj)); |
41be1fbd |
564 | |
565 | PUTBACK; |
566 | return; |
567 | } |
439cb1c4 |
568 | } |
569 | |
9137345a |
570 | XS(XS_version_normal) |
571 | { |
97aff369 |
572 | dVAR; |
9137345a |
573 | dXSARGS; |
574 | if (items < 1) |
afa74d42 |
575 | croak_xs_usage(cv, "lobj, ..."); |
9137345a |
576 | SP -= items; |
577 | { |
7452cf6a |
578 | SV * lobj; |
9137345a |
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 |
587 | |
588 | PUTBACK; |
589 | return; |
590 | } |
591 | } |
592 | |
439cb1c4 |
593 | XS(XS_version_vcmp) |
594 | { |
97aff369 |
595 | dVAR; |
41be1fbd |
596 | dXSARGS; |
597 | if (items < 1) |
afa74d42 |
598 | croak_xs_usage(cv, "lobj, ..."); |
41be1fbd |
599 | SP -= items; |
600 | { |
7452cf6a |
601 | SV * lobj; |
41be1fbd |
602 | |
603 | if (sv_derived_from(ST(0), "version")) { |
9137345a |
604 | lobj = SvRV(ST(0)); |
41be1fbd |
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 |
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 |
631 | } |
632 | |
633 | PUTBACK; |
634 | return; |
635 | } |
439cb1c4 |
636 | } |
637 | |
638 | XS(XS_version_boolean) |
639 | { |
97aff369 |
640 | dVAR; |
641 | dXSARGS; |
642 | if (items < 1) |
afa74d42 |
643 | croak_xs_usage(cv, "lobj, ..."); |
97aff369 |
644 | SP -= items; |
c4420975 |
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 |
649 | PUTBACK; |
650 | return; |
651 | } |
652 | else |
653 | Perl_croak(aTHX_ "lobj is not of type version"); |
439cb1c4 |
654 | } |
655 | |
656 | XS(XS_version_noop) |
657 | { |
97aff369 |
658 | dVAR; |
2dfd8427 |
659 | dXSARGS; |
660 | if (items < 1) |
afa74d42 |
661 | croak_xs_usage(cv, "lobj, ..."); |
2dfd8427 |
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 |
669 | } |
670 | |
c8d69e4a |
671 | XS(XS_version_is_alpha) |
672 | { |
97aff369 |
673 | dVAR; |
c8d69e4a |
674 | dXSARGS; |
675 | if (items != 1) |
afa74d42 |
676 | croak_xs_usage(cv, "lobj"); |
c8d69e4a |
677 | SP -= items; |
c4420975 |
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 |
684 | PUTBACK; |
685 | return; |
686 | } |
c4420975 |
687 | else |
688 | Perl_croak(aTHX_ "lobj is not of type version"); |
c8d69e4a |
689 | } |
690 | |
137d6fc0 |
691 | XS(XS_version_qv) |
692 | { |
97aff369 |
693 | dVAR; |
137d6fc0 |
694 | dXSARGS; |
695 | if (items != 1) |
afa74d42 |
696 | croak_xs_usage(cv, "ver"); |
137d6fc0 |
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 |
701 | SV * const rv = sv_newmortal(); |
702 | sv_setsv(rv,ver); /* make a duplicate */ |
703 | upg_version(rv, TRUE); |
704 | PUSHs(rv); |
137d6fc0 |
705 | } |
706 | else |
707 | { |
6e449a3a |
708 | mPUSHs(new_version(ver)); |
137d6fc0 |
709 | } |
710 | |
711 | PUTBACK; |
712 | return; |
713 | } |
714 | } |
715 | |
8800c35a |
716 | XS(XS_utf8_is_utf8) |
717 | { |
97aff369 |
718 | dVAR; |
41be1fbd |
719 | dXSARGS; |
720 | if (items != 1) |
afa74d42 |
721 | croak_xs_usage(cv, "sv"); |
c4420975 |
722 | else { |
723 | const SV * const sv = ST(0); |
724 | if (SvUTF8(sv)) |
725 | XSRETURN_YES; |
726 | else |
727 | XSRETURN_NO; |
41be1fbd |
728 | } |
729 | XSRETURN_EMPTY; |
8800c35a |
730 | } |
731 | |
1b026014 |
732 | XS(XS_utf8_valid) |
733 | { |
97aff369 |
734 | dVAR; |
41be1fbd |
735 | dXSARGS; |
736 | if (items != 1) |
afa74d42 |
737 | croak_xs_usage(cv, "sv"); |
c4420975 |
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 |
748 | } |
749 | |
750 | XS(XS_utf8_encode) |
751 | { |
97aff369 |
752 | dVAR; |
1b026014 |
753 | dXSARGS; |
754 | if (items != 1) |
afa74d42 |
755 | croak_xs_usage(cv, "sv"); |
c4420975 |
756 | sv_utf8_encode(ST(0)); |
1b026014 |
757 | XSRETURN_EMPTY; |
758 | } |
759 | |
760 | XS(XS_utf8_decode) |
761 | { |
97aff369 |
762 | dVAR; |
1b026014 |
763 | dXSARGS; |
764 | if (items != 1) |
afa74d42 |
765 | croak_xs_usage(cv, "sv"); |
c4420975 |
766 | else { |
767 | SV * const sv = ST(0); |
6867be6d |
768 | const bool RETVAL = sv_utf8_decode(sv); |
1b026014 |
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 |
778 | dXSARGS; |
779 | if (items != 1) |
afa74d42 |
780 | croak_xs_usage(cv, "sv"); |
c4420975 |
781 | else { |
782 | SV * const sv = ST(0); |
1b026014 |
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 |
795 | dXSARGS; |
796 | if (items < 1 || items > 2) |
afa74d42 |
797 | croak_xs_usage(cv, "sv, failok=0"); |
c4420975 |
798 | else { |
799 | SV * const sv = ST(0); |
6867be6d |
800 | const bool failok = (items < 2) ? 0 : (int)SvIV(ST(1)); |
801 | const bool RETVAL = sv_utf8_downgrade(sv, failok); |
1b026014 |
802 | |
1b026014 |
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 |
814 | |
815 | if (items > 1) |
afa74d42 |
816 | croak_xs_usage(cv, "sv"); |
b7953727 |
817 | |
1b026014 |
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 |
827 | |
828 | if (items > 1) |
afa74d42 |
829 | croak_xs_usage(cv, "sv"); |
b7953727 |
830 | |
1b026014 |
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 |
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 |
855 | SvREADONLY_off(sv); |
856 | XSRETURN_NO; |
857 | } |
858 | } |
14a976d6 |
859 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 |
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 |
873 | SvREFCNT(sv) = SvIV(ST(1)); |
874 | XSRETURN_IV(SvREFCNT(sv)); |
875 | } |
14a976d6 |
876 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 |
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 |
886 | else { |
887 | HV * const hv = (HV *) SvRV(ST(0)); |
888 | hv_clear_placeholders(hv); |
889 | XSRETURN(0); |
890 | } |
dfd4ef2f |
891 | } |
39f7a870 |
892 | |
f63535fc |
893 | XS(XS_Regexp_DESTROY) |
894 | { |
895 | PERL_UNUSED_CONTEXT; |
896 | PERL_UNUSED_ARG(cv); |
897 | } |
898 | |
39f7a870 |
899 | XS(XS_PerlIO_get_layers) |
900 | { |
97aff369 |
901 | dVAR; |
39f7a870 |
902 | dXSARGS; |
903 | if (items < 1 || items % 2 == 0) |
afa74d42 |
904 | croak_xs_usage(cv, "filehandle[,args]"); |
5fef3b4a |
905 | #ifdef USE_PERLIO |
39f7a870 |
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 |
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 |
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 |
959 | } |
960 | |
961 | if (gv && (io = GvIO(gv))) { |
c4420975 |
962 | AV* const av = PerlIO_get_layers(aTHX_ input ? |
39f7a870 |
963 | IoIFP(io) : IoOFP(io)); |
964 | I32 i; |
c4420975 |
965 | const I32 last = av_len(av); |
39f7a870 |
966 | I32 nitem = 0; |
967 | |
968 | for (i = last; i >= 0; i -= 3) { |
c4420975 |
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 |
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 |
976 | |
977 | if (details) { |
92e45a3e |
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 |
984 | : &PL_sv_undef); |
985 | XPUSHs(argok |
92e45a3e |
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 |
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 |
1003 | else |
1004 | XPUSHs(&PL_sv_undef); |
1005 | nitem++; |
1006 | if (flgok) { |
c4420975 |
1007 | const IV flags = SvIVX(*flgsvp); |
39f7a870 |
1008 | |
1009 | if (flags & PERLIO_F_UTF8) { |
84bafc02 |
1010 | XPUSHs(newSVpvs_flags("utf8", SVs_TEMP)); |
39f7a870 |
1011 | nitem++; |
1012 | } |
1013 | } |
1014 | } |
1015 | } |
1016 | |
1017 | SvREFCNT_dec(av); |
1018 | |
1019 | XSRETURN(nitem); |
1020 | } |
1021 | } |
5fef3b4a |
1022 | #endif |
39f7a870 |
1023 | |
1024 | XSRETURN(0); |
1025 | } |
1026 | |
9a7034eb |
1027 | XS(XS_Internals_hash_seed) |
c910b28a |
1028 | { |
97aff369 |
1029 | dVAR; |
c85d3f85 |
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 |
1036 | } |
1037 | |
008fb0c0 |
1038 | XS(XS_Internals_rehash_seed) |
8e90d776 |
1039 | { |
97aff369 |
1040 | dVAR; |
8e90d776 |
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 |
1047 | } |
1048 | |
05619474 |
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 |
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 |
1066 | XS(XS_re_is_regexp) |
1067 | { |
1068 | dVAR; |
1069 | dXSARGS; |
f7e71195 |
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 |
1076 | |
1077 | if (SvRXOK(ST(0))) { |
1078 | XSRETURN_YES; |
1079 | } else { |
1080 | XSRETURN_NO; |
80305961 |
1081 | } |
1082 | } |
1083 | |
192b9cd1 |
1084 | XS(XS_re_regnames_count) |
80305961 |
1085 | { |
192b9cd1 |
1086 | REGEXP *rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1087 | SV * ret; |
80305961 |
1088 | dVAR; |
1089 | dXSARGS; |
192b9cd1 |
1090 | |
1091 | if (items != 0) |
afa74d42 |
1092 | croak_xs_usage(cv, ""); |
192b9cd1 |
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 |
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 |
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 |
1136 | |
1137 | if (ret) { |
ec83ea38 |
1138 | mXPUSHs(ret); |
192b9cd1 |
1139 | XSRETURN(1); |
1140 | } |
1141 | XSRETURN_UNDEF; |
80305961 |
1142 | } |
1143 | |
192b9cd1 |
1144 | |
80305961 |
1145 | XS(XS_re_regnames) |
1146 | { |
192b9cd1 |
1147 | dVAR; |
80305961 |
1148 | dXSARGS; |
192b9cd1 |
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 |
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 |
1169 | } |
1170 | |
80305961 |
1171 | SP -= items; |
80305961 |
1172 | |
f1b875a0 |
1173 | ret = CALLREG_NAMED_BUFF_ALL(rx, (flags | RXapif_REGNAMES)); |
192b9cd1 |
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 |
1193 | |
1194 | SvREFCNT_dec(ret); |
1195 | |
192b9cd1 |
1196 | PUTBACK; |
1197 | return; |
80305961 |
1198 | } |
1199 | |
192c1e27 |
1200 | XS(XS_re_regexp_pattern) |
1201 | { |
1202 | dVAR; |
1203 | dXSARGS; |
1204 | REGEXP *re; |
192c1e27 |
1205 | |
1206 | if (items != 1) |
afa74d42 |
1207 | croak_xs_usage(cv, "sv"); |
192c1e27 |
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 |
1248 | pattern = newSVpvn_flags(RX_PRECOMP(re),RX_PRELEN(re), |
1249 | (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP); |
192c1e27 |
1250 | |
1251 | /* return the pattern and the modifiers */ |
1252 | XPUSHs(pattern); |
fb632ce3 |
1253 | XPUSHs(newSVpvn_flags(reflags, left, SVs_TEMP)); |
192c1e27 |
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 |
1261 | pattern = newSVpvn_flags(RX_WRAPPED(re), RX_WRAPLEN(re), |
1262 | (RX_UTF8(re) ? SVf_UTF8 : 0) | SVs_TEMP); |
192c1e27 |
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 |
1294 | REGEXP * rx; |
1295 | U32 flags; |
1296 | SV * ret; |
1297 | |
1298 | if (items != 2) |
afa74d42 |
1299 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 |
1300 | |
1301 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1302 | |
1303 | if (!rx) |
1304 | XSRETURN_UNDEF; |
1305 | |
80305961 |
1306 | SP -= items; |
192b9cd1 |
1307 | |
1308 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1309 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(1), flags); |
1310 | |
1311 | SPAGAIN; |
1312 | |
1313 | if (ret) { |
ec83ea38 |
1314 | mXPUSHs(ret); |
192b9cd1 |
1315 | PUTBACK; |
1316 | return; |
1317 | } |
1318 | XSRETURN_UNDEF; |
1319 | } |
1320 | |
1321 | XS(XS_Tie_Hash_NamedCapture_STORE) |
1322 | { |
1323 | dVAR; |
1324 | dXSARGS; |
1325 | REGEXP * rx; |
1326 | U32 flags; |
1327 | |
1328 | if (items != 3) |
afa74d42 |
1329 | croak_xs_usage(cv, "$key, $value, $flags"); |
192b9cd1 |
1330 | |
1331 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1332 | |
1333 | if (!rx) { |
1334 | if (!PL_localizing) |
1335 | Perl_croak(aTHX_ PL_no_modify); |
1336 | else |
28d8d7f4 |
1337 | XSRETURN_UNDEF; |
80305961 |
1338 | } |
192b9cd1 |
1339 | |
1340 | SP -= items; |
1341 | |
1342 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1343 | CALLREG_NAMED_BUFF_STORE(rx,ST(1), ST(2), flags); |
80305961 |
1344 | } |
1345 | |
192b9cd1 |
1346 | XS(XS_Tie_Hash_NamedCapture_DELETE) |
1347 | { |
1348 | dVAR; |
1349 | dXSARGS; |
1350 | REGEXP * rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1351 | U32 flags; |
80305961 |
1352 | |
192b9cd1 |
1353 | if (items != 2) |
afa74d42 |
1354 | croak_xs_usage(cv, "$key, $flags"); |
192b9cd1 |
1355 | |
1356 | if (!rx) |
1357 | Perl_croak(aTHX_ PL_no_modify); |
1358 | |
1359 | SP -= items; |
1360 | |
1361 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1362 | CALLREG_NAMED_BUFF_DELETE(rx, ST(1), flags); |
1363 | } |
1364 | |
1365 | XS(XS_Tie_Hash_NamedCapture_CLEAR) |
80305961 |
1366 | { |
192b9cd1 |
1367 | dVAR; |
80305961 |
1368 | dXSARGS; |
192b9cd1 |
1369 | REGEXP * rx; |
1370 | U32 flags; |
1371 | |
1372 | if (items != 1) |
afa74d42 |
1373 | croak_xs_usage(cv, "$flags"); |
192b9cd1 |
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 |
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, $flags"); |
192b9cd1 |
1396 | |
1397 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1398 | |
1399 | if (!rx) |
28d8d7f4 |
1400 | XSRETURN_UNDEF; |
192b9cd1 |
1401 | |
1402 | SP -= items; |
1403 | |
1404 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1405 | ret = CALLREG_NAMED_BUFF_EXISTS(rx, ST(1), flags); |
1406 | |
1407 | SPAGAIN; |
1408 | |
1409 | XPUSHs(ret); |
80305961 |
1410 | PUTBACK; |
1411 | return; |
80305961 |
1412 | } |
1413 | |
86aa3d53 |
1414 | XS(XS_Tie_Hash_NamedCapture_FIRSTK) |
192b9cd1 |
1415 | { |
1416 | dVAR; |
1417 | dXSARGS; |
1418 | REGEXP * rx; |
1419 | U32 flags; |
1420 | SV * ret; |
80305961 |
1421 | |
192b9cd1 |
1422 | if (items != 1) |
afa74d42 |
1423 | croak_xs_usage(cv, ""); |
192b9cd1 |
1424 | |
1425 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1426 | |
1427 | if (!rx) |
1428 | XSRETURN_UNDEF; |
1429 | |
1430 | SP -= items; |
1431 | |
1432 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1433 | ret = CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags); |
1434 | |
1435 | SPAGAIN; |
1436 | |
1437 | if (ret) { |
ec83ea38 |
1438 | mXPUSHs(ret); |
192b9cd1 |
1439 | PUTBACK; |
1440 | } else { |
1441 | XSRETURN_UNDEF; |
1442 | } |
1443 | |
1444 | } |
1445 | |
86aa3d53 |
1446 | XS(XS_Tie_Hash_NamedCapture_NEXTK) |
80305961 |
1447 | { |
192b9cd1 |
1448 | dVAR; |
80305961 |
1449 | dXSARGS; |
192b9cd1 |
1450 | REGEXP * rx; |
1451 | U32 flags; |
1452 | SV * ret; |
1453 | |
1454 | if (items != 2) |
afa74d42 |
1455 | croak_xs_usage(cv, "$lastkey"); |
192b9cd1 |
1456 | |
1457 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1458 | |
1459 | if (!rx) |
1460 | XSRETURN_UNDEF; |
80305961 |
1461 | |
80305961 |
1462 | SP -= items; |
192b9cd1 |
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 |
1471 | } else { |
1472 | XSRETURN_UNDEF; |
1473 | } |
1474 | PUTBACK; |
192b9cd1 |
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 |
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 |
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 |
1517 | mXPUSHu(RXapif_ONE); |
1518 | mXPUSHu(RXapif_ALL); |
192b9cd1 |
1519 | PUTBACK; |
1520 | return; |
80305961 |
1521 | } |
1522 | |
1523 | |
241d1a3b |
1524 | /* |
1525 | * Local variables: |
1526 | * c-indentation-style: bsd |
1527 | * c-basic-offset: 4 |
1528 | * indent-tabs-mode: t |
1529 | * End: |
1530 | * |
37442d52 |
1531 | * ex: set ts=8 sts=4 sw=4 noet: |
1532 | */ |