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 |
810e6113 |
40 | S_isa_lookup(pTHX_ HV *stash, const char * const name, const HV* const name_stash) |
6d4a7be2 |
41 | { |
97aff369 |
42 | dVAR; |
e1a479c5 |
43 | AV* stash_linear_isa; |
44 | SV** svp; |
bfcb3514 |
45 | const char *hvname; |
e1a479c5 |
46 | I32 items; |
6d4a7be2 |
47 | |
301daebc |
48 | /* A stash/class can go by many names (ie. User == main::User), so |
49 | we compare the stash itself just in case */ |
34692224 |
50 | if (name_stash && ((const HV *)stash == name_stash)) |
a9ec700e |
51 | return TRUE; |
6d4a7be2 |
52 | |
bfcb3514 |
53 | hvname = HvNAME_get(stash); |
54 | |
55 | if (strEQ(hvname, name)) |
a9ec700e |
56 | return TRUE; |
6d4a7be2 |
57 | |
a1d407e8 |
58 | if (strEQ(name, "UNIVERSAL")) |
a9ec700e |
59 | return TRUE; |
a1d407e8 |
60 | |
e1a479c5 |
61 | stash_linear_isa = mro_get_linear_isa(stash); |
62 | svp = AvARRAY(stash_linear_isa) + 1; |
63 | items = AvFILLp(stash_linear_isa); |
64 | while (items--) { |
65 | SV* const basename_sv = *svp++; |
810e6113 |
66 | HV* const basestash = gv_stashsv(basename_sv, 0); |
dd69841b |
67 | if (!basestash) { |
b0c482e3 |
68 | if (ckWARN(WARN_SYNTAX)) |
e1a479c5 |
69 | Perl_warner(aTHX_ packWARN(WARN_SYNTAX), |
70 | "Can't locate package %"SVf" for the parents of %s", |
71 | SVfARG(basename_sv), hvname); |
72 | continue; |
46e4b22b |
73 | } |
e1a479c5 |
74 | if(name_stash == basestash || strEQ(name, SvPVX(basename_sv))) |
75 | return TRUE; |
6d4a7be2 |
76 | } |
77 | |
a9ec700e |
78 | return FALSE; |
6d4a7be2 |
79 | } |
80 | |
954c1994 |
81 | /* |
ccfc67b7 |
82 | =head1 SV Manipulation Functions |
83 | |
954c1994 |
84 | =for apidoc sv_derived_from |
85 | |
6885da0e |
86 | Returns a boolean indicating whether the SV is derived from the specified class |
87 | I<at the C level>. To check derivation at the Perl level, call C<isa()> as a |
88 | normal Perl method. |
954c1994 |
89 | |
90 | =cut |
91 | */ |
92 | |
55497cff |
93 | bool |
864dbfa3 |
94 | Perl_sv_derived_from(pTHX_ SV *sv, const char *name) |
55497cff |
95 | { |
97aff369 |
96 | dVAR; |
0b6f4f5c |
97 | HV *stash; |
46e4b22b |
98 | |
5b295bef |
99 | SvGETMAGIC(sv); |
55497cff |
100 | |
101 | if (SvROK(sv)) { |
0b6f4f5c |
102 | const char *type; |
55497cff |
103 | sv = SvRV(sv); |
104 | type = sv_reftype(sv,0); |
0b6f4f5c |
105 | if (type && strEQ(type,name)) |
106 | return TRUE; |
107 | stash = SvOBJECT(sv) ? SvSTASH(sv) : NULL; |
55497cff |
108 | } |
109 | else { |
da51bb9b |
110 | stash = gv_stashsv(sv, 0); |
55497cff |
111 | } |
46e4b22b |
112 | |
0b6f4f5c |
113 | if (stash) { |
da51bb9b |
114 | HV * const name_stash = gv_stashpv(name, 0); |
810e6113 |
115 | return isa_lookup(stash, name, name_stash); |
0b6f4f5c |
116 | } |
117 | else |
118 | return FALSE; |
301daebc |
119 | |
55497cff |
120 | } |
121 | |
cbc021f9 |
122 | /* |
123 | =for apidoc sv_does |
124 | |
125 | Returns a boolean indicating whether the SV performs a specific, named role. |
126 | The SV can be a Perl object or the name of a Perl class. |
127 | |
128 | =cut |
129 | */ |
130 | |
1b026014 |
131 | #include "XSUB.h" |
132 | |
cbc021f9 |
133 | bool |
134 | Perl_sv_does(pTHX_ SV *sv, const char *name) |
135 | { |
136 | const char *classname; |
137 | bool does_it; |
59e7186f |
138 | SV *methodname; |
cbc021f9 |
139 | |
140 | dSP; |
141 | ENTER; |
142 | SAVETMPS; |
143 | |
144 | SvGETMAGIC(sv); |
145 | |
146 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
147 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) |
148 | return FALSE; |
149 | |
150 | if (sv_isobject(sv)) { |
151 | classname = sv_reftype(SvRV(sv),TRUE); |
152 | } else { |
94707740 |
153 | classname = SvPV_nolen(sv); |
cbc021f9 |
154 | } |
155 | |
156 | if (strEQ(name,classname)) |
157 | return TRUE; |
158 | |
159 | PUSHMARK(SP); |
160 | XPUSHs(sv); |
6e449a3a |
161 | mXPUSHs(newSVpv(name, 0)); |
cbc021f9 |
162 | PUTBACK; |
163 | |
84bafc02 |
164 | methodname = newSVpvs_flags("isa", SVs_TEMP); |
59e7186f |
165 | /* ugly hack: use the SvSCREAM flag so S_method_common |
166 | * can figure out we're calling DOES() and not isa(), |
167 | * and report eventual errors correctly. --rgs */ |
168 | SvSCREAM_on(methodname); |
169 | call_sv(methodname, G_SCALAR | G_METHOD); |
cbc021f9 |
170 | SPAGAIN; |
171 | |
172 | does_it = SvTRUE( TOPs ); |
173 | FREETMPS; |
174 | LEAVE; |
175 | |
176 | return does_it; |
177 | } |
178 | |
27da23d5 |
179 | PERL_XS_EXPORT_C void XS_UNIVERSAL_isa(pTHX_ CV *cv); |
180 | PERL_XS_EXPORT_C void XS_UNIVERSAL_can(pTHX_ CV *cv); |
cbc021f9 |
181 | PERL_XS_EXPORT_C void XS_UNIVERSAL_DOES(pTHX_ CV *cv); |
27da23d5 |
182 | PERL_XS_EXPORT_C void XS_UNIVERSAL_VERSION(pTHX_ CV *cv); |
439cb1c4 |
183 | XS(XS_version_new); |
184 | XS(XS_version_stringify); |
185 | XS(XS_version_numify); |
9137345a |
186 | XS(XS_version_normal); |
439cb1c4 |
187 | XS(XS_version_vcmp); |
188 | XS(XS_version_boolean); |
2dfd8427 |
189 | #ifdef HASATTRIBUTE_NORETURN |
190 | XS(XS_version_noop) __attribute__noreturn__; |
191 | #else |
439cb1c4 |
192 | XS(XS_version_noop); |
2dfd8427 |
193 | #endif |
c8d69e4a |
194 | XS(XS_version_is_alpha); |
137d6fc0 |
195 | XS(XS_version_qv); |
8800c35a |
196 | XS(XS_utf8_is_utf8); |
1b026014 |
197 | XS(XS_utf8_valid); |
198 | XS(XS_utf8_encode); |
199 | XS(XS_utf8_decode); |
200 | XS(XS_utf8_upgrade); |
201 | XS(XS_utf8_downgrade); |
202 | XS(XS_utf8_unicode_to_native); |
203 | XS(XS_utf8_native_to_unicode); |
29569577 |
204 | XS(XS_Internals_SvREADONLY); |
205 | XS(XS_Internals_SvREFCNT); |
f044d0d1 |
206 | XS(XS_Internals_hv_clear_placehold); |
39f7a870 |
207 | XS(XS_PerlIO_get_layers); |
f63535fc |
208 | XS(XS_Regexp_DESTROY); |
9a7034eb |
209 | XS(XS_Internals_hash_seed); |
008fb0c0 |
210 | XS(XS_Internals_rehash_seed); |
05619474 |
211 | XS(XS_Internals_HvREHASH); |
e1234d8e |
212 | XS(XS_Internals_inc_sub_generation); |
80305961 |
213 | XS(XS_re_is_regexp); |
192b9cd1 |
214 | XS(XS_re_regname); |
215 | XS(XS_re_regnames); |
80305961 |
216 | XS(XS_re_regnames_count); |
192c1e27 |
217 | XS(XS_re_regexp_pattern); |
192b9cd1 |
218 | XS(XS_Tie_Hash_NamedCapture_FETCH); |
219 | XS(XS_Tie_Hash_NamedCapture_STORE); |
220 | XS(XS_Tie_Hash_NamedCapture_DELETE); |
221 | XS(XS_Tie_Hash_NamedCapture_CLEAR); |
222 | XS(XS_Tie_Hash_NamedCapture_EXISTS); |
86aa3d53 |
223 | XS(XS_Tie_Hash_NamedCapture_FIRSTK); |
224 | XS(XS_Tie_Hash_NamedCapture_NEXTK); |
192b9cd1 |
225 | XS(XS_Tie_Hash_NamedCapture_SCALAR); |
226 | XS(XS_Tie_Hash_NamedCapture_flags); |
0cb96387 |
227 | |
228 | void |
229 | Perl_boot_core_UNIVERSAL(pTHX) |
230 | { |
97aff369 |
231 | dVAR; |
157e3fc8 |
232 | static const char file[] = __FILE__; |
0cb96387 |
233 | |
234 | newXS("UNIVERSAL::isa", XS_UNIVERSAL_isa, file); |
235 | newXS("UNIVERSAL::can", XS_UNIVERSAL_can, file); |
cbc021f9 |
236 | newXS("UNIVERSAL::DOES", XS_UNIVERSAL_DOES, file); |
0cb96387 |
237 | newXS("UNIVERSAL::VERSION", XS_UNIVERSAL_VERSION, file); |
439cb1c4 |
238 | { |
ad63d80f |
239 | /* register the overloading (type 'A') magic */ |
240 | PL_amagic_generation++; |
439cb1c4 |
241 | /* Make it findable via fetchmethod */ |
be2ebcad |
242 | newXS("version::()", XS_version_noop, file); |
439cb1c4 |
243 | newXS("version::new", XS_version_new, file); |
244 | newXS("version::(\"\"", XS_version_stringify, file); |
245 | newXS("version::stringify", XS_version_stringify, file); |
246 | newXS("version::(0+", XS_version_numify, file); |
247 | newXS("version::numify", XS_version_numify, file); |
9137345a |
248 | newXS("version::normal", XS_version_normal, file); |
439cb1c4 |
249 | newXS("version::(cmp", XS_version_vcmp, file); |
250 | newXS("version::(<=>", XS_version_vcmp, file); |
251 | newXS("version::vcmp", XS_version_vcmp, file); |
252 | newXS("version::(bool", XS_version_boolean, file); |
253 | newXS("version::boolean", XS_version_boolean, file); |
254 | newXS("version::(nomethod", XS_version_noop, file); |
255 | newXS("version::noop", XS_version_noop, file); |
c8d69e4a |
256 | newXS("version::is_alpha", XS_version_is_alpha, file); |
137d6fc0 |
257 | newXS("version::qv", XS_version_qv, file); |
439cb1c4 |
258 | } |
8800c35a |
259 | newXS("utf8::is_utf8", XS_utf8_is_utf8, file); |
1b026014 |
260 | newXS("utf8::valid", XS_utf8_valid, file); |
261 | newXS("utf8::encode", XS_utf8_encode, file); |
262 | newXS("utf8::decode", XS_utf8_decode, file); |
263 | newXS("utf8::upgrade", XS_utf8_upgrade, file); |
264 | newXS("utf8::downgrade", XS_utf8_downgrade, file); |
265 | newXS("utf8::native_to_unicode", XS_utf8_native_to_unicode, file); |
266 | newXS("utf8::unicode_to_native", XS_utf8_unicode_to_native, file); |
29569577 |
267 | newXSproto("Internals::SvREADONLY",XS_Internals_SvREADONLY, file, "\\[$%@];$"); |
268 | newXSproto("Internals::SvREFCNT",XS_Internals_SvREFCNT, file, "\\[$%@];$"); |
dfd4ef2f |
269 | newXSproto("Internals::hv_clear_placeholders", |
f044d0d1 |
270 | XS_Internals_hv_clear_placehold, file, "\\%"); |
9d569fce |
271 | newXSproto("PerlIO::get_layers", |
272 | XS_PerlIO_get_layers, file, "*;@"); |
f63535fc |
273 | newXS("Regexp::DESTROY", XS_Regexp_DESTROY, file); |
9a7034eb |
274 | newXSproto("Internals::hash_seed",XS_Internals_hash_seed, file, ""); |
008fb0c0 |
275 | newXSproto("Internals::rehash_seed",XS_Internals_rehash_seed, file, ""); |
05619474 |
276 | newXSproto("Internals::HvREHASH", XS_Internals_HvREHASH, file, "\\%"); |
80305961 |
277 | newXSproto("re::is_regexp", XS_re_is_regexp, file, "$"); |
28d8d7f4 |
278 | newXSproto("re::regname", XS_re_regname, file, ";$$"); |
279 | newXSproto("re::regnames", XS_re_regnames, file, ";$"); |
28d8d7f4 |
280 | newXSproto("re::regnames_count", XS_re_regnames_count, file, ""); |
192c1e27 |
281 | newXSproto("re::regexp_pattern", XS_re_regexp_pattern, file, "$"); |
192b9cd1 |
282 | newXS("Tie::Hash::NamedCapture::FETCH", XS_Tie_Hash_NamedCapture_FETCH, file); |
283 | newXS("Tie::Hash::NamedCapture::STORE", XS_Tie_Hash_NamedCapture_STORE, file); |
284 | newXS("Tie::Hash::NamedCapture::DELETE", XS_Tie_Hash_NamedCapture_DELETE, file); |
285 | newXS("Tie::Hash::NamedCapture::CLEAR", XS_Tie_Hash_NamedCapture_CLEAR, file); |
286 | newXS("Tie::Hash::NamedCapture::EXISTS", XS_Tie_Hash_NamedCapture_EXISTS, file); |
86aa3d53 |
287 | newXS("Tie::Hash::NamedCapture::FIRSTKEY", XS_Tie_Hash_NamedCapture_FIRSTK, file); |
288 | newXS("Tie::Hash::NamedCapture::NEXTKEY", XS_Tie_Hash_NamedCapture_NEXTK, file); |
192b9cd1 |
289 | newXS("Tie::Hash::NamedCapture::SCALAR", XS_Tie_Hash_NamedCapture_SCALAR, file); |
290 | newXS("Tie::Hash::NamedCapture::flags", XS_Tie_Hash_NamedCapture_flags, file); |
0cb96387 |
291 | } |
292 | |
55497cff |
293 | |
6d4a7be2 |
294 | XS(XS_UNIVERSAL_isa) |
295 | { |
97aff369 |
296 | dVAR; |
6d4a7be2 |
297 | dXSARGS; |
58c0efa5 |
298 | PERL_UNUSED_ARG(cv); |
6d4a7be2 |
299 | |
300 | if (items != 2) |
cea2e8a9 |
301 | Perl_croak(aTHX_ "Usage: UNIVERSAL::isa(reference, kind)"); |
c4420975 |
302 | else { |
303 | SV * const sv = ST(0); |
304 | const char *name; |
6d4a7be2 |
305 | |
c4420975 |
306 | SvGETMAGIC(sv); |
d3f7f2b2 |
307 | |
c4420975 |
308 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
309 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) |
310 | XSRETURN_UNDEF; |
f8f70380 |
311 | |
c4420975 |
312 | name = SvPV_nolen_const(ST(1)); |
6d4a7be2 |
313 | |
c4420975 |
314 | ST(0) = boolSV(sv_derived_from(sv, name)); |
315 | XSRETURN(1); |
316 | } |
6d4a7be2 |
317 | } |
318 | |
6d4a7be2 |
319 | XS(XS_UNIVERSAL_can) |
320 | { |
97aff369 |
321 | dVAR; |
6d4a7be2 |
322 | dXSARGS; |
323 | SV *sv; |
6867be6d |
324 | const char *name; |
6d4a7be2 |
325 | SV *rv; |
6f08146e |
326 | HV *pkg = NULL; |
58c0efa5 |
327 | PERL_UNUSED_ARG(cv); |
6d4a7be2 |
328 | |
329 | if (items != 2) |
cea2e8a9 |
330 | Perl_croak(aTHX_ "Usage: UNIVERSAL::can(object-ref, method)"); |
6d4a7be2 |
331 | |
332 | sv = ST(0); |
f8f70380 |
333 | |
5b295bef |
334 | SvGETMAGIC(sv); |
d3f7f2b2 |
335 | |
253ecd6d |
336 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
337 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) |
f8f70380 |
338 | XSRETURN_UNDEF; |
339 | |
0510663f |
340 | name = SvPV_nolen_const(ST(1)); |
3280af22 |
341 | rv = &PL_sv_undef; |
6d4a7be2 |
342 | |
46e4b22b |
343 | if (SvROK(sv)) { |
6f08146e |
344 | sv = (SV*)SvRV(sv); |
46e4b22b |
345 | if (SvOBJECT(sv)) |
6f08146e |
346 | pkg = SvSTASH(sv); |
347 | } |
348 | else { |
da51bb9b |
349 | pkg = gv_stashsv(sv, 0); |
6f08146e |
350 | } |
351 | |
352 | if (pkg) { |
c4420975 |
353 | GV * const gv = gv_fetchmethod_autoload(pkg, name, FALSE); |
dc848c6f |
354 | if (gv && isGV(gv)) |
355 | rv = sv_2mortal(newRV((SV*)GvCV(gv))); |
6d4a7be2 |
356 | } |
357 | |
358 | ST(0) = rv; |
359 | XSRETURN(1); |
360 | } |
361 | |
cbc021f9 |
362 | XS(XS_UNIVERSAL_DOES) |
363 | { |
364 | dVAR; |
365 | dXSARGS; |
58c0efa5 |
366 | PERL_UNUSED_ARG(cv); |
cbc021f9 |
367 | |
368 | if (items != 2) |
26be3db7 |
369 | Perl_croak(aTHX_ "Usage: invocant->DOES(kind)"); |
cbc021f9 |
370 | else { |
371 | SV * const sv = ST(0); |
372 | const char *name; |
373 | |
374 | name = SvPV_nolen_const(ST(1)); |
375 | if (sv_does( sv, name )) |
376 | XSRETURN_YES; |
377 | |
378 | XSRETURN_NO; |
379 | } |
380 | } |
381 | |
6d4a7be2 |
382 | XS(XS_UNIVERSAL_VERSION) |
383 | { |
97aff369 |
384 | dVAR; |
6d4a7be2 |
385 | dXSARGS; |
386 | HV *pkg; |
387 | GV **gvp; |
388 | GV *gv; |
389 | SV *sv; |
e1ec3a88 |
390 | const char *undef; |
58c0efa5 |
391 | PERL_UNUSED_ARG(cv); |
6d4a7be2 |
392 | |
1571675a |
393 | if (SvROK(ST(0))) { |
6d4a7be2 |
394 | sv = (SV*)SvRV(ST(0)); |
1571675a |
395 | if (!SvOBJECT(sv)) |
cea2e8a9 |
396 | Perl_croak(aTHX_ "Cannot find version of an unblessed reference"); |
6d4a7be2 |
397 | pkg = SvSTASH(sv); |
398 | } |
399 | else { |
da51bb9b |
400 | pkg = gv_stashsv(ST(0), 0); |
6d4a7be2 |
401 | } |
402 | |
4608196e |
403 | gvp = pkg ? (GV**)hv_fetchs(pkg, "VERSION", FALSE) : NULL; |
6d4a7be2 |
404 | |
0008872a |
405 | if (gvp && isGV(gv = *gvp) && (sv = GvSV(gv)) && SvOK(sv)) { |
c4420975 |
406 | SV * const nsv = sv_newmortal(); |
6d4a7be2 |
407 | sv_setsv(nsv, sv); |
408 | sv = nsv; |
137d6fc0 |
409 | if ( !sv_derived_from(sv, "version")) |
ac0e6a2f |
410 | upg_version(sv, FALSE); |
c445ea15 |
411 | undef = NULL; |
6d4a7be2 |
412 | } |
413 | else { |
3280af22 |
414 | sv = (SV*)&PL_sv_undef; |
6d4a7be2 |
415 | undef = "(undef)"; |
416 | } |
417 | |
1571675a |
418 | if (items > 1) { |
1571675a |
419 | SV *req = ST(1); |
420 | |
62658f4d |
421 | if (undef) { |
bfcb3514 |
422 | if (pkg) { |
c4420975 |
423 | const char * const name = HvNAME_get(pkg); |
a3b680e6 |
424 | Perl_croak(aTHX_ |
bfcb3514 |
425 | "%s does not define $%s::VERSION--version check failed", |
426 | name, name); |
427 | } else { |
a3b680e6 |
428 | Perl_croak(aTHX_ |
429 | "%s defines neither package nor VERSION--version check failed", |
0510663f |
430 | SvPVx_nolen_const(ST(0)) ); |
62658f4d |
431 | } |
432 | } |
ad63d80f |
433 | |
137d6fc0 |
434 | if ( !sv_derived_from(req, "version")) { |
435 | /* req may very well be R/O, so create a new object */ |
ac0e6a2f |
436 | req = sv_2mortal( new_version(req) ); |
137d6fc0 |
437 | } |
1571675a |
438 | |
ac0e6a2f |
439 | if ( vcmp( req, sv ) > 0 ) { |
440 | if ( hv_exists((HV*)SvRV(req), "qv", 2 ) ) { |
441 | Perl_croak(aTHX_ "%s version %"SVf" required--" |
442 | "this is only version %"SVf"", HvNAME_get(pkg), |
be2597df |
443 | SVfARG(vnormal(req)), |
be2597df |
444 | SVfARG(vnormal(sv))); |
ac0e6a2f |
445 | } else { |
446 | Perl_croak(aTHX_ "%s version %"SVf" required--" |
447 | "this is only version %"SVf"", HvNAME_get(pkg), |
8cb289bd |
448 | SVfARG(vstringify(req)), |
449 | SVfARG(vstringify(sv))); |
ac0e6a2f |
450 | } |
451 | } |
452 | |
2d8e6c8d |
453 | } |
6d4a7be2 |
454 | |
2b140d5b |
455 | if ( SvOK(sv) && sv_derived_from(sv, "version") ) { |
8cb289bd |
456 | ST(0) = vstringify(sv); |
13f8f398 |
457 | } else { |
458 | ST(0) = sv; |
b38a9dc5 |
459 | } |
6d4a7be2 |
460 | |
461 | XSRETURN(1); |
462 | } |
463 | |
439cb1c4 |
464 | XS(XS_version_new) |
465 | { |
97aff369 |
466 | dVAR; |
439cb1c4 |
467 | dXSARGS; |
58c0efa5 |
468 | PERL_UNUSED_ARG(cv); |
129318bd |
469 | if (items > 3) |
439cb1c4 |
470 | Perl_croak(aTHX_ "Usage: version::new(class, version)"); |
471 | SP -= items; |
472 | { |
137d6fc0 |
473 | SV *vs = ST(1); |
474 | SV *rv; |
c4420975 |
475 | const char * const classname = |
476 | sv_isobject(ST(0)) /* get the class if called as an object method */ |
477 | ? HvNAME(SvSTASH(SvRV(ST(0)))) |
478 | : (char *)SvPV_nolen(ST(0)); |
9137345a |
479 | |
92dcf8ce |
480 | if ( items == 1 || vs == &PL_sv_undef ) { /* no param or explicit undef */ |
481 | /* create empty object */ |
482 | vs = sv_newmortal(); |
483 | sv_setpvn(vs,"",0); |
9137345a |
484 | } |
485 | else if ( items == 3 ) { |
486 | vs = sv_newmortal(); |
cfd0369c |
487 | Perl_sv_setpvf(aTHX_ vs,"v%s",SvPV_nolen_const(ST(2))); |
129318bd |
488 | } |
439cb1c4 |
489 | |
137d6fc0 |
490 | rv = new_version(vs); |
0723351e |
491 | if ( strcmp(classname,"version") != 0 ) /* inherited new() */ |
da51bb9b |
492 | sv_bless(rv, gv_stashpv(classname, GV_ADD)); |
137d6fc0 |
493 | |
6e449a3a |
494 | mPUSHs(rv); |
439cb1c4 |
495 | PUTBACK; |
496 | return; |
497 | } |
498 | } |
499 | |
500 | XS(XS_version_stringify) |
501 | { |
97aff369 |
502 | dVAR; |
41be1fbd |
503 | dXSARGS; |
58c0efa5 |
504 | PERL_UNUSED_ARG(cv); |
41be1fbd |
505 | if (items < 1) |
506 | Perl_croak(aTHX_ "Usage: version::stringify(lobj, ...)"); |
507 | SP -= items; |
508 | { |
7452cf6a |
509 | SV * lobj; |
41be1fbd |
510 | |
511 | if (sv_derived_from(ST(0), "version")) { |
9137345a |
512 | lobj = SvRV(ST(0)); |
41be1fbd |
513 | } |
514 | else |
515 | Perl_croak(aTHX_ "lobj is not of type version"); |
516 | |
6e449a3a |
517 | mPUSHs(vstringify(lobj)); |
41be1fbd |
518 | |
519 | PUTBACK; |
520 | return; |
521 | } |
439cb1c4 |
522 | } |
523 | |
524 | XS(XS_version_numify) |
525 | { |
97aff369 |
526 | dVAR; |
41be1fbd |
527 | dXSARGS; |
58c0efa5 |
528 | PERL_UNUSED_ARG(cv); |
41be1fbd |
529 | if (items < 1) |
530 | Perl_croak(aTHX_ "Usage: version::numify(lobj, ...)"); |
531 | SP -= items; |
532 | { |
7452cf6a |
533 | SV * lobj; |
41be1fbd |
534 | |
535 | if (sv_derived_from(ST(0), "version")) { |
9137345a |
536 | lobj = SvRV(ST(0)); |
41be1fbd |
537 | } |
538 | else |
539 | Perl_croak(aTHX_ "lobj is not of type version"); |
540 | |
6e449a3a |
541 | mPUSHs(vnumify(lobj)); |
41be1fbd |
542 | |
543 | PUTBACK; |
544 | return; |
545 | } |
439cb1c4 |
546 | } |
547 | |
9137345a |
548 | XS(XS_version_normal) |
549 | { |
97aff369 |
550 | dVAR; |
9137345a |
551 | dXSARGS; |
58c0efa5 |
552 | PERL_UNUSED_ARG(cv); |
9137345a |
553 | if (items < 1) |
554 | Perl_croak(aTHX_ "Usage: version::normal(lobj, ...)"); |
555 | SP -= items; |
556 | { |
7452cf6a |
557 | SV * lobj; |
9137345a |
558 | |
559 | if (sv_derived_from(ST(0), "version")) { |
560 | lobj = SvRV(ST(0)); |
561 | } |
562 | else |
563 | Perl_croak(aTHX_ "lobj is not of type version"); |
564 | |
6e449a3a |
565 | mPUSHs(vnormal(lobj)); |
9137345a |
566 | |
567 | PUTBACK; |
568 | return; |
569 | } |
570 | } |
571 | |
439cb1c4 |
572 | XS(XS_version_vcmp) |
573 | { |
97aff369 |
574 | dVAR; |
41be1fbd |
575 | dXSARGS; |
58c0efa5 |
576 | PERL_UNUSED_ARG(cv); |
41be1fbd |
577 | if (items < 1) |
578 | Perl_croak(aTHX_ "Usage: version::vcmp(lobj, ...)"); |
579 | SP -= items; |
580 | { |
7452cf6a |
581 | SV * lobj; |
41be1fbd |
582 | |
583 | if (sv_derived_from(ST(0), "version")) { |
9137345a |
584 | lobj = SvRV(ST(0)); |
41be1fbd |
585 | } |
586 | else |
587 | Perl_croak(aTHX_ "lobj is not of type version"); |
588 | |
589 | { |
590 | SV *rs; |
591 | SV *rvs; |
592 | SV * robj = ST(1); |
7452cf6a |
593 | const IV swap = (IV)SvIV(ST(2)); |
41be1fbd |
594 | |
595 | if ( ! sv_derived_from(robj, "version") ) |
596 | { |
597 | robj = new_version(robj); |
598 | } |
599 | rvs = SvRV(robj); |
600 | |
601 | if ( swap ) |
602 | { |
603 | rs = newSViv(vcmp(rvs,lobj)); |
604 | } |
605 | else |
606 | { |
607 | rs = newSViv(vcmp(lobj,rvs)); |
608 | } |
609 | |
6e449a3a |
610 | mPUSHs(rs); |
41be1fbd |
611 | } |
612 | |
613 | PUTBACK; |
614 | return; |
615 | } |
439cb1c4 |
616 | } |
617 | |
618 | XS(XS_version_boolean) |
619 | { |
97aff369 |
620 | dVAR; |
621 | dXSARGS; |
58c0efa5 |
622 | PERL_UNUSED_ARG(cv); |
97aff369 |
623 | if (items < 1) |
624 | Perl_croak(aTHX_ "Usage: version::boolean(lobj, ...)"); |
625 | SP -= items; |
c4420975 |
626 | if (sv_derived_from(ST(0), "version")) { |
627 | SV * const lobj = SvRV(ST(0)); |
396482e1 |
628 | SV * const rs = newSViv( vcmp(lobj,new_version(newSVpvs("0"))) ); |
6e449a3a |
629 | mPUSHs(rs); |
c4420975 |
630 | PUTBACK; |
631 | return; |
632 | } |
633 | else |
634 | Perl_croak(aTHX_ "lobj is not of type version"); |
439cb1c4 |
635 | } |
636 | |
637 | XS(XS_version_noop) |
638 | { |
97aff369 |
639 | dVAR; |
2dfd8427 |
640 | dXSARGS; |
58c0efa5 |
641 | PERL_UNUSED_ARG(cv); |
2dfd8427 |
642 | if (items < 1) |
643 | Perl_croak(aTHX_ "Usage: version::noop(lobj, ...)"); |
644 | if (sv_derived_from(ST(0), "version")) |
645 | Perl_croak(aTHX_ "operation not supported with version object"); |
646 | else |
647 | Perl_croak(aTHX_ "lobj is not of type version"); |
648 | #ifndef HASATTRIBUTE_NORETURN |
649 | XSRETURN_EMPTY; |
650 | #endif |
439cb1c4 |
651 | } |
652 | |
c8d69e4a |
653 | XS(XS_version_is_alpha) |
654 | { |
97aff369 |
655 | dVAR; |
c8d69e4a |
656 | dXSARGS; |
58c0efa5 |
657 | PERL_UNUSED_ARG(cv); |
c8d69e4a |
658 | if (items != 1) |
659 | Perl_croak(aTHX_ "Usage: version::is_alpha(lobj)"); |
660 | SP -= items; |
c4420975 |
661 | if (sv_derived_from(ST(0), "version")) { |
662 | SV * const lobj = ST(0); |
663 | if ( hv_exists((HV*)SvRV(lobj), "alpha", 5 ) ) |
664 | XSRETURN_YES; |
665 | else |
666 | XSRETURN_NO; |
c8d69e4a |
667 | PUTBACK; |
668 | return; |
669 | } |
c4420975 |
670 | else |
671 | Perl_croak(aTHX_ "lobj is not of type version"); |
c8d69e4a |
672 | } |
673 | |
137d6fc0 |
674 | XS(XS_version_qv) |
675 | { |
97aff369 |
676 | dVAR; |
137d6fc0 |
677 | dXSARGS; |
58c0efa5 |
678 | PERL_UNUSED_ARG(cv); |
137d6fc0 |
679 | if (items != 1) |
680 | Perl_croak(aTHX_ "Usage: version::qv(ver)"); |
681 | SP -= items; |
682 | { |
683 | SV * ver = ST(0); |
c4420975 |
684 | if ( !SvVOK(ver) ) { /* only need to do with if not already v-string */ |
ac0e6a2f |
685 | SV * const rv = sv_newmortal(); |
686 | sv_setsv(rv,ver); /* make a duplicate */ |
687 | upg_version(rv, TRUE); |
688 | PUSHs(rv); |
137d6fc0 |
689 | } |
690 | else |
691 | { |
6e449a3a |
692 | mPUSHs(new_version(ver)); |
137d6fc0 |
693 | } |
694 | |
695 | PUTBACK; |
696 | return; |
697 | } |
698 | } |
699 | |
8800c35a |
700 | XS(XS_utf8_is_utf8) |
701 | { |
97aff369 |
702 | dVAR; |
41be1fbd |
703 | dXSARGS; |
58c0efa5 |
704 | PERL_UNUSED_ARG(cv); |
41be1fbd |
705 | if (items != 1) |
706 | Perl_croak(aTHX_ "Usage: utf8::is_utf8(sv)"); |
c4420975 |
707 | else { |
708 | const SV * const sv = ST(0); |
709 | if (SvUTF8(sv)) |
710 | XSRETURN_YES; |
711 | else |
712 | XSRETURN_NO; |
41be1fbd |
713 | } |
714 | XSRETURN_EMPTY; |
8800c35a |
715 | } |
716 | |
1b026014 |
717 | XS(XS_utf8_valid) |
718 | { |
97aff369 |
719 | dVAR; |
41be1fbd |
720 | dXSARGS; |
58c0efa5 |
721 | PERL_UNUSED_ARG(cv); |
41be1fbd |
722 | if (items != 1) |
723 | Perl_croak(aTHX_ "Usage: utf8::valid(sv)"); |
c4420975 |
724 | else { |
725 | SV * const sv = ST(0); |
726 | STRLEN len; |
727 | const char * const s = SvPV_const(sv,len); |
728 | if (!SvUTF8(sv) || is_utf8_string((const U8*)s,len)) |
729 | XSRETURN_YES; |
730 | else |
731 | XSRETURN_NO; |
732 | } |
41be1fbd |
733 | XSRETURN_EMPTY; |
1b026014 |
734 | } |
735 | |
736 | XS(XS_utf8_encode) |
737 | { |
97aff369 |
738 | dVAR; |
1b026014 |
739 | dXSARGS; |
58c0efa5 |
740 | PERL_UNUSED_ARG(cv); |
1b026014 |
741 | if (items != 1) |
742 | Perl_croak(aTHX_ "Usage: utf8::encode(sv)"); |
c4420975 |
743 | sv_utf8_encode(ST(0)); |
1b026014 |
744 | XSRETURN_EMPTY; |
745 | } |
746 | |
747 | XS(XS_utf8_decode) |
748 | { |
97aff369 |
749 | dVAR; |
1b026014 |
750 | dXSARGS; |
58c0efa5 |
751 | PERL_UNUSED_ARG(cv); |
1b026014 |
752 | if (items != 1) |
753 | Perl_croak(aTHX_ "Usage: utf8::decode(sv)"); |
c4420975 |
754 | else { |
755 | SV * const sv = ST(0); |
6867be6d |
756 | const bool RETVAL = sv_utf8_decode(sv); |
1b026014 |
757 | ST(0) = boolSV(RETVAL); |
758 | sv_2mortal(ST(0)); |
759 | } |
760 | XSRETURN(1); |
761 | } |
762 | |
763 | XS(XS_utf8_upgrade) |
764 | { |
97aff369 |
765 | dVAR; |
1b026014 |
766 | dXSARGS; |
58c0efa5 |
767 | PERL_UNUSED_ARG(cv); |
1b026014 |
768 | if (items != 1) |
769 | Perl_croak(aTHX_ "Usage: utf8::upgrade(sv)"); |
c4420975 |
770 | else { |
771 | SV * const sv = ST(0); |
1b026014 |
772 | STRLEN RETVAL; |
773 | dXSTARG; |
774 | |
775 | RETVAL = sv_utf8_upgrade(sv); |
776 | XSprePUSH; PUSHi((IV)RETVAL); |
777 | } |
778 | XSRETURN(1); |
779 | } |
780 | |
781 | XS(XS_utf8_downgrade) |
782 | { |
97aff369 |
783 | dVAR; |
1b026014 |
784 | dXSARGS; |
58c0efa5 |
785 | PERL_UNUSED_ARG(cv); |
1b026014 |
786 | if (items < 1 || items > 2) |
787 | Perl_croak(aTHX_ "Usage: utf8::downgrade(sv, failok=0)"); |
c4420975 |
788 | else { |
789 | SV * const sv = ST(0); |
6867be6d |
790 | const bool failok = (items < 2) ? 0 : (int)SvIV(ST(1)); |
791 | const bool RETVAL = sv_utf8_downgrade(sv, failok); |
1b026014 |
792 | |
1b026014 |
793 | ST(0) = boolSV(RETVAL); |
794 | sv_2mortal(ST(0)); |
795 | } |
796 | XSRETURN(1); |
797 | } |
798 | |
799 | XS(XS_utf8_native_to_unicode) |
800 | { |
97aff369 |
801 | dVAR; |
1b026014 |
802 | dXSARGS; |
6867be6d |
803 | const UV uv = SvUV(ST(0)); |
58c0efa5 |
804 | PERL_UNUSED_ARG(cv); |
b7953727 |
805 | |
806 | if (items > 1) |
807 | Perl_croak(aTHX_ "Usage: utf8::native_to_unicode(sv)"); |
808 | |
1b026014 |
809 | ST(0) = sv_2mortal(newSViv(NATIVE_TO_UNI(uv))); |
810 | XSRETURN(1); |
811 | } |
812 | |
813 | XS(XS_utf8_unicode_to_native) |
814 | { |
97aff369 |
815 | dVAR; |
1b026014 |
816 | dXSARGS; |
6867be6d |
817 | const UV uv = SvUV(ST(0)); |
58c0efa5 |
818 | PERL_UNUSED_ARG(cv); |
b7953727 |
819 | |
820 | if (items > 1) |
821 | Perl_croak(aTHX_ "Usage: utf8::unicode_to_native(sv)"); |
822 | |
1b026014 |
823 | ST(0) = sv_2mortal(newSViv(UNI_TO_NATIVE(uv))); |
824 | XSRETURN(1); |
825 | } |
826 | |
14a976d6 |
827 | XS(XS_Internals_SvREADONLY) /* This is dangerous stuff. */ |
29569577 |
828 | { |
97aff369 |
829 | dVAR; |
29569577 |
830 | dXSARGS; |
c4420975 |
831 | SV * const sv = SvRV(ST(0)); |
58c0efa5 |
832 | PERL_UNUSED_ARG(cv); |
6867be6d |
833 | |
29569577 |
834 | if (items == 1) { |
835 | if (SvREADONLY(sv)) |
836 | XSRETURN_YES; |
837 | else |
838 | XSRETURN_NO; |
839 | } |
840 | else if (items == 2) { |
841 | if (SvTRUE(ST(1))) { |
842 | SvREADONLY_on(sv); |
843 | XSRETURN_YES; |
844 | } |
845 | else { |
14a976d6 |
846 | /* I hope you really know what you are doing. */ |
29569577 |
847 | SvREADONLY_off(sv); |
848 | XSRETURN_NO; |
849 | } |
850 | } |
14a976d6 |
851 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 |
852 | } |
853 | |
14a976d6 |
854 | XS(XS_Internals_SvREFCNT) /* This is dangerous stuff. */ |
29569577 |
855 | { |
97aff369 |
856 | dVAR; |
29569577 |
857 | dXSARGS; |
c4420975 |
858 | SV * const sv = SvRV(ST(0)); |
58c0efa5 |
859 | PERL_UNUSED_ARG(cv); |
6867be6d |
860 | |
29569577 |
861 | if (items == 1) |
14a976d6 |
862 | XSRETURN_IV(SvREFCNT(sv) - 1); /* Minus the ref created for us. */ |
29569577 |
863 | else if (items == 2) { |
14a976d6 |
864 | /* I hope you really know what you are doing. */ |
29569577 |
865 | SvREFCNT(sv) = SvIV(ST(1)); |
866 | XSRETURN_IV(SvREFCNT(sv)); |
867 | } |
14a976d6 |
868 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 |
869 | } |
870 | |
f044d0d1 |
871 | XS(XS_Internals_hv_clear_placehold) |
dfd4ef2f |
872 | { |
97aff369 |
873 | dVAR; |
dfd4ef2f |
874 | dXSARGS; |
58c0efa5 |
875 | PERL_UNUSED_ARG(cv); |
6867be6d |
876 | |
3540d4ce |
877 | if (items != 1) |
878 | Perl_croak(aTHX_ "Usage: UNIVERSAL::hv_clear_placeholders(hv)"); |
c4420975 |
879 | else { |
880 | HV * const hv = (HV *) SvRV(ST(0)); |
881 | hv_clear_placeholders(hv); |
882 | XSRETURN(0); |
883 | } |
dfd4ef2f |
884 | } |
39f7a870 |
885 | |
f63535fc |
886 | XS(XS_Regexp_DESTROY) |
887 | { |
888 | PERL_UNUSED_CONTEXT; |
889 | PERL_UNUSED_ARG(cv); |
890 | } |
891 | |
39f7a870 |
892 | XS(XS_PerlIO_get_layers) |
893 | { |
97aff369 |
894 | dVAR; |
39f7a870 |
895 | dXSARGS; |
58c0efa5 |
896 | PERL_UNUSED_ARG(cv); |
39f7a870 |
897 | if (items < 1 || items % 2 == 0) |
898 | Perl_croak(aTHX_ "Usage: PerlIO_get_layers(filehandle[,args])"); |
5fef3b4a |
899 | #ifdef USE_PERLIO |
39f7a870 |
900 | { |
901 | SV * sv; |
902 | GV * gv; |
903 | IO * io; |
904 | bool input = TRUE; |
905 | bool details = FALSE; |
906 | |
907 | if (items > 1) { |
c4420975 |
908 | SV * const *svp; |
39f7a870 |
909 | for (svp = MARK + 2; svp <= SP; svp += 2) { |
c4420975 |
910 | SV * const * const varp = svp; |
911 | SV * const * const valp = svp + 1; |
39f7a870 |
912 | STRLEN klen; |
c4420975 |
913 | const char * const key = SvPV_const(*varp, klen); |
39f7a870 |
914 | |
915 | switch (*key) { |
916 | case 'i': |
917 | if (klen == 5 && memEQ(key, "input", 5)) { |
918 | input = SvTRUE(*valp); |
919 | break; |
920 | } |
921 | goto fail; |
922 | case 'o': |
923 | if (klen == 6 && memEQ(key, "output", 6)) { |
924 | input = !SvTRUE(*valp); |
925 | break; |
926 | } |
927 | goto fail; |
928 | case 'd': |
929 | if (klen == 7 && memEQ(key, "details", 7)) { |
930 | details = SvTRUE(*valp); |
931 | break; |
932 | } |
933 | goto fail; |
934 | default: |
935 | fail: |
936 | Perl_croak(aTHX_ |
937 | "get_layers: unknown argument '%s'", |
938 | key); |
939 | } |
940 | } |
941 | |
942 | SP -= (items - 1); |
943 | } |
944 | |
945 | sv = POPs; |
946 | gv = (GV*)sv; |
947 | |
948 | if (!isGV(sv)) { |
949 | if (SvROK(sv) && isGV(SvRV(sv))) |
950 | gv = (GV*)SvRV(sv); |
671d49be |
951 | else if (SvPOKp(sv)) |
f776e3cd |
952 | gv = gv_fetchsv(sv, 0, SVt_PVIO); |
39f7a870 |
953 | } |
954 | |
955 | if (gv && (io = GvIO(gv))) { |
c4420975 |
956 | AV* const av = PerlIO_get_layers(aTHX_ input ? |
39f7a870 |
957 | IoIFP(io) : IoOFP(io)); |
958 | I32 i; |
c4420975 |
959 | const I32 last = av_len(av); |
39f7a870 |
960 | I32 nitem = 0; |
961 | |
962 | for (i = last; i >= 0; i -= 3) { |
c4420975 |
963 | SV * const * const namsvp = av_fetch(av, i - 2, FALSE); |
964 | SV * const * const argsvp = av_fetch(av, i - 1, FALSE); |
965 | SV * const * const flgsvp = av_fetch(av, i, FALSE); |
39f7a870 |
966 | |
c4420975 |
967 | const bool namok = namsvp && *namsvp && SvPOK(*namsvp); |
968 | const bool argok = argsvp && *argsvp && SvPOK(*argsvp); |
969 | const bool flgok = flgsvp && *flgsvp && SvIOK(*flgsvp); |
39f7a870 |
970 | |
971 | if (details) { |
ec3bab8e |
972 | XPUSHs(namok |
1eb9e81d |
973 | ? sv_2mortal(newSVpvn(SvPVX_const(*namsvp), SvCUR(*namsvp))) |
ec3bab8e |
974 | : &PL_sv_undef); |
975 | XPUSHs(argok |
1eb9e81d |
976 | ? sv_2mortal(newSVpvn(SvPVX_const(*argsvp), SvCUR(*argsvp))) |
ec3bab8e |
977 | : &PL_sv_undef); |
39f7a870 |
978 | if (flgok) |
1eb9e81d |
979 | mXPUSHi(SvIVX(*flgsvp)); |
39f7a870 |
980 | else |
981 | XPUSHs(&PL_sv_undef); |
982 | nitem += 3; |
983 | } |
984 | else { |
985 | if (namok && argok) |
1eb9e81d |
986 | XPUSHs(sv_2mortal(Perl_newSVpvf(aTHX_ "%"SVf"(%"SVf")", |
be2597df |
987 | SVfARG(*namsvp), |
1eb9e81d |
988 | SVfARG(*argsvp)))); |
39f7a870 |
989 | else if (namok) |
1eb9e81d |
990 | XPUSHs(sv_2mortal(Perl_newSVpvf(aTHX_ "%"SVf, |
991 | SVfARG(*namsvp)))); |
39f7a870 |
992 | else |
993 | XPUSHs(&PL_sv_undef); |
994 | nitem++; |
995 | if (flgok) { |
c4420975 |
996 | const IV flags = SvIVX(*flgsvp); |
39f7a870 |
997 | |
998 | if (flags & PERLIO_F_UTF8) { |
84bafc02 |
999 | XPUSHs(newSVpvs_flags("utf8", SVs_TEMP)); |
39f7a870 |
1000 | nitem++; |
1001 | } |
1002 | } |
1003 | } |
1004 | } |
1005 | |
1006 | SvREFCNT_dec(av); |
1007 | |
1008 | XSRETURN(nitem); |
1009 | } |
1010 | } |
5fef3b4a |
1011 | #endif |
39f7a870 |
1012 | |
1013 | XSRETURN(0); |
1014 | } |
1015 | |
9a7034eb |
1016 | XS(XS_Internals_hash_seed) |
c910b28a |
1017 | { |
97aff369 |
1018 | dVAR; |
c85d3f85 |
1019 | /* Using dXSARGS would also have dITEM and dSP, |
1020 | * which define 2 unused local variables. */ |
557b887a |
1021 | dAXMARK; |
53c1dcc0 |
1022 | PERL_UNUSED_ARG(cv); |
ad73156c |
1023 | PERL_UNUSED_VAR(mark); |
81eaca17 |
1024 | XSRETURN_UV(PERL_HASH_SEED); |
c910b28a |
1025 | } |
1026 | |
008fb0c0 |
1027 | XS(XS_Internals_rehash_seed) |
8e90d776 |
1028 | { |
97aff369 |
1029 | dVAR; |
8e90d776 |
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); |
008fb0c0 |
1035 | XSRETURN_UV(PL_rehash_seed); |
8e90d776 |
1036 | } |
1037 | |
05619474 |
1038 | XS(XS_Internals_HvREHASH) /* Subject to change */ |
1039 | { |
97aff369 |
1040 | dVAR; |
05619474 |
1041 | dXSARGS; |
58c0efa5 |
1042 | PERL_UNUSED_ARG(cv); |
05619474 |
1043 | if (SvROK(ST(0))) { |
c4420975 |
1044 | const HV * const hv = (HV *) SvRV(ST(0)); |
05619474 |
1045 | if (items == 1 && SvTYPE(hv) == SVt_PVHV) { |
1046 | if (HvREHASH(hv)) |
1047 | XSRETURN_YES; |
1048 | else |
1049 | XSRETURN_NO; |
1050 | } |
1051 | } |
1052 | Perl_croak(aTHX_ "Internals::HvREHASH $hashref"); |
1053 | } |
241d1a3b |
1054 | |
80305961 |
1055 | XS(XS_re_is_regexp) |
1056 | { |
1057 | dVAR; |
1058 | dXSARGS; |
f7e71195 |
1059 | PERL_UNUSED_VAR(cv); |
1060 | |
80305961 |
1061 | if (items != 1) |
1062 | Perl_croak(aTHX_ "Usage: %s(%s)", "re::is_regexp", "sv"); |
f7e71195 |
1063 | |
80305961 |
1064 | SP -= items; |
f7e71195 |
1065 | |
1066 | if (SvRXOK(ST(0))) { |
1067 | XSRETURN_YES; |
1068 | } else { |
1069 | XSRETURN_NO; |
80305961 |
1070 | } |
1071 | } |
1072 | |
192b9cd1 |
1073 | XS(XS_re_regnames_count) |
80305961 |
1074 | { |
192b9cd1 |
1075 | REGEXP *rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1076 | SV * ret; |
80305961 |
1077 | dVAR; |
1078 | dXSARGS; |
48fc4736 |
1079 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1080 | |
1081 | if (items != 0) |
1082 | Perl_croak(aTHX_ "Usage: %s(%s)", "re::regnames_count", ""); |
1083 | |
1084 | SP -= items; |
1085 | |
1086 | if (!rx) |
1087 | XSRETURN_UNDEF; |
1088 | |
1089 | ret = CALLREG_NAMED_BUFF_COUNT(rx); |
1090 | |
1091 | SPAGAIN; |
1092 | |
1093 | if (ret) { |
1094 | XPUSHs(ret); |
1095 | PUTBACK; |
1096 | return; |
1097 | } else { |
1098 | XSRETURN_UNDEF; |
1099 | } |
1100 | } |
1101 | |
1102 | XS(XS_re_regname) |
1103 | { |
1104 | dVAR; |
1105 | dXSARGS; |
1106 | REGEXP * rx; |
1107 | U32 flags; |
1108 | SV * ret; |
48fc4736 |
1109 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1110 | |
28d8d7f4 |
1111 | if (items < 1 || items > 2) |
192b9cd1 |
1112 | Perl_croak(aTHX_ "Usage: %s(%s)", "re::regname", "name[, all ]"); |
1113 | |
80305961 |
1114 | SP -= items; |
80305961 |
1115 | |
192b9cd1 |
1116 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1117 | |
1118 | if (!rx) |
1119 | XSRETURN_UNDEF; |
1120 | |
1121 | if (items == 2 && SvTRUE(ST(1))) { |
f1b875a0 |
1122 | flags = RXapif_ALL; |
192b9cd1 |
1123 | } else { |
f1b875a0 |
1124 | flags = RXapif_ONE; |
80305961 |
1125 | } |
f1b875a0 |
1126 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(0), (flags | RXapif_REGNAME)); |
192b9cd1 |
1127 | |
1128 | if (ret) { |
1129 | if (SvROK(ret)) |
1130 | XPUSHs(ret); |
1131 | else |
1132 | XPUSHs(SvREFCNT_inc(ret)); |
1133 | XSRETURN(1); |
1134 | } |
1135 | XSRETURN_UNDEF; |
80305961 |
1136 | } |
1137 | |
192b9cd1 |
1138 | |
80305961 |
1139 | XS(XS_re_regnames) |
1140 | { |
192b9cd1 |
1141 | dVAR; |
80305961 |
1142 | dXSARGS; |
192b9cd1 |
1143 | REGEXP * rx; |
1144 | U32 flags; |
1145 | SV *ret; |
1146 | AV *av; |
1147 | I32 length; |
1148 | I32 i; |
1149 | SV **entry; |
48fc4736 |
1150 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1151 | |
1152 | if (items > 1) |
1153 | Perl_croak(aTHX_ "Usage: %s(%s)", "re::regnames", "[all]"); |
1154 | |
1155 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1156 | |
1157 | if (!rx) |
1158 | XSRETURN_UNDEF; |
1159 | |
1160 | if (items == 1 && SvTRUE(ST(0))) { |
f1b875a0 |
1161 | flags = RXapif_ALL; |
192b9cd1 |
1162 | } else { |
f1b875a0 |
1163 | flags = RXapif_ONE; |
192b9cd1 |
1164 | } |
1165 | |
80305961 |
1166 | SP -= items; |
80305961 |
1167 | |
f1b875a0 |
1168 | ret = CALLREG_NAMED_BUFF_ALL(rx, (flags | RXapif_REGNAMES)); |
192b9cd1 |
1169 | |
1170 | SPAGAIN; |
1171 | |
1172 | SP -= items; |
1173 | |
1174 | if (!ret) |
1175 | XSRETURN_UNDEF; |
1176 | |
1177 | av = (AV*)SvRV(ret); |
1178 | length = av_len(av); |
1179 | |
1180 | for (i = 0; i <= length; i++) { |
1181 | entry = av_fetch(av, i, FALSE); |
1182 | |
1183 | if (!entry) |
1184 | Perl_croak(aTHX_ "NULL array element in re::regnames()"); |
1185 | |
1186 | XPUSHs(*entry); |
80305961 |
1187 | } |
192b9cd1 |
1188 | PUTBACK; |
1189 | return; |
80305961 |
1190 | } |
1191 | |
192c1e27 |
1192 | XS(XS_re_regexp_pattern) |
1193 | { |
1194 | dVAR; |
1195 | dXSARGS; |
1196 | REGEXP *re; |
1197 | PERL_UNUSED_ARG(cv); |
1198 | |
1199 | if (items != 1) |
1200 | Perl_croak(aTHX_ "Usage: %s(%s)", "re::regexp_pattern", "sv"); |
1201 | |
1202 | SP -= items; |
1203 | |
1204 | /* |
1205 | Checks if a reference is a regex or not. If the parameter is |
1206 | not a ref, or is not the result of a qr// then returns false |
1207 | in scalar context and an empty list in list context. |
1208 | Otherwise in list context it returns the pattern and the |
1209 | modifiers, in scalar context it returns the pattern just as it |
1210 | would if the qr// was stringified normally, regardless as |
1211 | to the class of the variable and any strigification overloads |
1212 | on the object. |
1213 | */ |
1214 | |
1215 | if ((re = SvRX(ST(0)))) /* assign deliberate */ |
1216 | { |
1217 | /* Housten, we have a regex! */ |
1218 | SV *pattern; |
1219 | STRLEN left = 0; |
1220 | char reflags[6]; |
1221 | |
1222 | if ( GIMME_V == G_ARRAY ) { |
1223 | /* |
1224 | we are in list context so stringify |
1225 | the modifiers that apply. We ignore "negative |
1226 | modifiers" in this scenario. |
1227 | */ |
1228 | |
1229 | const char *fptr = INT_PAT_MODS; |
1230 | char ch; |
1231 | U16 match_flags = (U16)((RX_EXTFLAGS(re) & PMf_COMPILETIME) |
1232 | >> RXf_PMf_STD_PMMOD_SHIFT); |
1233 | |
1234 | while((ch = *fptr++)) { |
1235 | if(match_flags & 1) { |
1236 | reflags[left++] = ch; |
1237 | } |
1238 | match_flags >>= 1; |
1239 | } |
1240 | |
1241 | pattern = sv_2mortal(newSVpvn(RX_PRECOMP(re),RX_PRELEN(re))); |
1242 | if (RX_UTF8(re)) |
1243 | SvUTF8_on(pattern); |
1244 | |
1245 | /* return the pattern and the modifiers */ |
1246 | XPUSHs(pattern); |
1247 | XPUSHs(sv_2mortal(newSVpvn(reflags,left))); |
1248 | XSRETURN(2); |
1249 | } else { |
1250 | /* Scalar, so use the string that Perl would return */ |
1251 | /* return the pattern in (?msix:..) format */ |
1252 | #if PERL_VERSION >= 11 |
1253 | pattern = sv_2mortal(newSVsv((SV*)re)); |
1254 | #else |
1255 | pattern = sv_2mortal(newSVpvn(RX_WRAPPED(re),RX_WRAPLEN(re))); |
1256 | if (RX_UTF8(re)) |
1257 | SvUTF8_on(pattern); |
1258 | #endif |
1259 | XPUSHs(pattern); |
1260 | XSRETURN(1); |
1261 | } |
1262 | } else { |
1263 | /* It ain't a regexp folks */ |
1264 | if ( GIMME_V == G_ARRAY ) { |
1265 | /* return the empty list */ |
1266 | XSRETURN_UNDEF; |
1267 | } else { |
1268 | /* Because of the (?:..) wrapping involved in a |
1269 | stringified pattern it is impossible to get a |
1270 | result for a real regexp that would evaluate to |
1271 | false. Therefore we can return PL_sv_no to signify |
1272 | that the object is not a regex, this means that one |
1273 | can say |
1274 | |
1275 | if (regex($might_be_a_regex) eq '(?:foo)') { } |
1276 | |
1277 | and not worry about undefined values. |
1278 | */ |
1279 | XSRETURN_NO; |
1280 | } |
1281 | } |
1282 | /* NOT-REACHED */ |
1283 | } |
1284 | |
192b9cd1 |
1285 | XS(XS_Tie_Hash_NamedCapture_FETCH) |
80305961 |
1286 | { |
192b9cd1 |
1287 | dVAR; |
80305961 |
1288 | dXSARGS; |
192b9cd1 |
1289 | REGEXP * rx; |
1290 | U32 flags; |
1291 | SV * ret; |
48fc4736 |
1292 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1293 | |
1294 | if (items != 2) |
1295 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::STORE($key, $flags)"); |
1296 | |
1297 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1298 | |
1299 | if (!rx) |
1300 | XSRETURN_UNDEF; |
1301 | |
80305961 |
1302 | SP -= items; |
192b9cd1 |
1303 | |
1304 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1305 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(1), flags); |
1306 | |
1307 | SPAGAIN; |
1308 | |
1309 | if (ret) { |
1310 | if (SvROK(ret)) |
1311 | XPUSHs(ret); |
1312 | else |
1313 | XPUSHs(SvREFCNT_inc(ret)); |
1314 | PUTBACK; |
1315 | return; |
1316 | } |
1317 | XSRETURN_UNDEF; |
1318 | } |
1319 | |
1320 | XS(XS_Tie_Hash_NamedCapture_STORE) |
1321 | { |
1322 | dVAR; |
1323 | dXSARGS; |
1324 | REGEXP * rx; |
1325 | U32 flags; |
48fc4736 |
1326 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1327 | |
1328 | if (items != 3) |
1329 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::STORE($key, $value, $flags)"); |
1330 | |
1331 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1332 | |
1333 | if (!rx) { |
1334 | if (!PL_localizing) |
1335 | Perl_croak(aTHX_ PL_no_modify); |
1336 | else |
28d8d7f4 |
1337 | XSRETURN_UNDEF; |
80305961 |
1338 | } |
192b9cd1 |
1339 | |
1340 | SP -= items; |
1341 | |
1342 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1343 | CALLREG_NAMED_BUFF_STORE(rx,ST(1), ST(2), flags); |
80305961 |
1344 | } |
1345 | |
192b9cd1 |
1346 | XS(XS_Tie_Hash_NamedCapture_DELETE) |
1347 | { |
1348 | dVAR; |
1349 | dXSARGS; |
1350 | REGEXP * rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1351 | U32 flags; |
48fc4736 |
1352 | PERL_UNUSED_ARG(cv); |
80305961 |
1353 | |
192b9cd1 |
1354 | if (items != 2) |
1355 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::DELETE($key, $flags)"); |
1356 | |
1357 | if (!rx) |
1358 | Perl_croak(aTHX_ PL_no_modify); |
1359 | |
1360 | SP -= items; |
1361 | |
1362 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1363 | CALLREG_NAMED_BUFF_DELETE(rx, ST(1), flags); |
1364 | } |
1365 | |
1366 | XS(XS_Tie_Hash_NamedCapture_CLEAR) |
80305961 |
1367 | { |
192b9cd1 |
1368 | dVAR; |
80305961 |
1369 | dXSARGS; |
192b9cd1 |
1370 | REGEXP * rx; |
1371 | U32 flags; |
48fc4736 |
1372 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1373 | |
1374 | if (items != 1) |
1375 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::CLEAR($flags)"); |
1376 | |
1377 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1378 | |
1379 | if (!rx) |
1380 | Perl_croak(aTHX_ PL_no_modify); |
1381 | |
80305961 |
1382 | SP -= items; |
80305961 |
1383 | |
192b9cd1 |
1384 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1385 | CALLREG_NAMED_BUFF_CLEAR(rx, flags); |
1386 | } |
1387 | |
1388 | XS(XS_Tie_Hash_NamedCapture_EXISTS) |
1389 | { |
1390 | dVAR; |
1391 | dXSARGS; |
1392 | REGEXP * rx; |
1393 | U32 flags; |
1394 | SV * ret; |
48fc4736 |
1395 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1396 | |
1397 | if (items != 2) |
1398 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::EXISTS($key, $flags)"); |
1399 | |
1400 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1401 | |
1402 | if (!rx) |
28d8d7f4 |
1403 | XSRETURN_UNDEF; |
192b9cd1 |
1404 | |
1405 | SP -= items; |
1406 | |
1407 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1408 | ret = CALLREG_NAMED_BUFF_EXISTS(rx, ST(1), flags); |
1409 | |
1410 | SPAGAIN; |
1411 | |
1412 | XPUSHs(ret); |
80305961 |
1413 | PUTBACK; |
1414 | return; |
80305961 |
1415 | } |
1416 | |
86aa3d53 |
1417 | XS(XS_Tie_Hash_NamedCapture_FIRSTK) |
192b9cd1 |
1418 | { |
1419 | dVAR; |
1420 | dXSARGS; |
1421 | REGEXP * rx; |
1422 | U32 flags; |
1423 | SV * ret; |
48fc4736 |
1424 | PERL_UNUSED_ARG(cv); |
80305961 |
1425 | |
192b9cd1 |
1426 | if (items != 1) |
1427 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::FIRSTKEY()"); |
1428 | |
1429 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1430 | |
1431 | if (!rx) |
1432 | XSRETURN_UNDEF; |
1433 | |
1434 | SP -= items; |
1435 | |
1436 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1437 | ret = CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags); |
1438 | |
1439 | SPAGAIN; |
1440 | |
1441 | if (ret) { |
1442 | XPUSHs(SvREFCNT_inc(ret)); |
1443 | PUTBACK; |
1444 | } else { |
1445 | XSRETURN_UNDEF; |
1446 | } |
1447 | |
1448 | } |
1449 | |
86aa3d53 |
1450 | XS(XS_Tie_Hash_NamedCapture_NEXTK) |
80305961 |
1451 | { |
192b9cd1 |
1452 | dVAR; |
80305961 |
1453 | dXSARGS; |
192b9cd1 |
1454 | REGEXP * rx; |
1455 | U32 flags; |
1456 | SV * ret; |
48fc4736 |
1457 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1458 | |
1459 | if (items != 2) |
1460 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::NEXTKEY($lastkey)"); |
1461 | |
1462 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1463 | |
1464 | if (!rx) |
1465 | XSRETURN_UNDEF; |
80305961 |
1466 | |
80305961 |
1467 | SP -= items; |
192b9cd1 |
1468 | |
1469 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1470 | ret = CALLREG_NAMED_BUFF_NEXTKEY(rx, ST(1), flags); |
1471 | |
1472 | SPAGAIN; |
1473 | |
1474 | if (ret) { |
1475 | XPUSHs(ret); |
80305961 |
1476 | } else { |
1477 | XSRETURN_UNDEF; |
1478 | } |
1479 | PUTBACK; |
192b9cd1 |
1480 | } |
1481 | |
1482 | XS(XS_Tie_Hash_NamedCapture_SCALAR) |
1483 | { |
1484 | dVAR; |
1485 | dXSARGS; |
1486 | REGEXP * rx; |
1487 | U32 flags; |
1488 | SV * ret; |
48fc4736 |
1489 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1490 | |
1491 | if (items != 1) |
1492 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::SCALAR()"); |
1493 | |
1494 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1495 | |
1496 | if (!rx) |
1497 | XSRETURN_UNDEF; |
1498 | |
1499 | SP -= items; |
1500 | |
1501 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1502 | ret = CALLREG_NAMED_BUFF_SCALAR(rx, flags); |
1503 | |
1504 | SPAGAIN; |
1505 | |
1506 | if (ret) { |
1507 | XPUSHs(ret); |
1508 | PUTBACK; |
1509 | return; |
1510 | } else { |
1511 | XSRETURN_UNDEF; |
1512 | } |
1513 | } |
1514 | |
1515 | XS(XS_Tie_Hash_NamedCapture_flags) |
1516 | { |
1517 | dVAR; |
1518 | dXSARGS; |
48fc4736 |
1519 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1520 | |
1521 | if (items != 0) |
1522 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::flags()"); |
1523 | |
6e449a3a |
1524 | mXPUSHu(RXapif_ONE); |
1525 | mXPUSHu(RXapif_ALL); |
192b9cd1 |
1526 | PUTBACK; |
1527 | return; |
80305961 |
1528 | } |
1529 | |
1530 | |
241d1a3b |
1531 | /* |
1532 | * Local variables: |
1533 | * c-indentation-style: bsd |
1534 | * c-basic-offset: 4 |
1535 | * indent-tabs-mode: t |
1536 | * End: |
1537 | * |
37442d52 |
1538 | * ex: set ts=8 sts=4 sw=4 noet: |
1539 | */ |