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); |
161 | XPUSHs(sv_2mortal(newSVpv(name, 0))); |
162 | PUTBACK; |
163 | |
5e0ab564 |
164 | methodname = sv_2mortal(newSVpvs("isa")); |
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); |
9a7034eb |
208 | XS(XS_Internals_hash_seed); |
008fb0c0 |
209 | XS(XS_Internals_rehash_seed); |
05619474 |
210 | XS(XS_Internals_HvREHASH); |
e1234d8e |
211 | XS(XS_Internals_inc_sub_generation); |
80305961 |
212 | XS(XS_re_is_regexp); |
192b9cd1 |
213 | XS(XS_re_regname); |
214 | XS(XS_re_regnames); |
80305961 |
215 | XS(XS_re_regnames_count); |
192b9cd1 |
216 | XS(XS_Tie_Hash_NamedCapture_FETCH); |
217 | XS(XS_Tie_Hash_NamedCapture_STORE); |
218 | XS(XS_Tie_Hash_NamedCapture_DELETE); |
219 | XS(XS_Tie_Hash_NamedCapture_CLEAR); |
220 | XS(XS_Tie_Hash_NamedCapture_EXISTS); |
86aa3d53 |
221 | XS(XS_Tie_Hash_NamedCapture_FIRSTK); |
222 | XS(XS_Tie_Hash_NamedCapture_NEXTK); |
192b9cd1 |
223 | XS(XS_Tie_Hash_NamedCapture_SCALAR); |
224 | XS(XS_Tie_Hash_NamedCapture_flags); |
0cb96387 |
225 | |
226 | void |
227 | Perl_boot_core_UNIVERSAL(pTHX) |
228 | { |
97aff369 |
229 | dVAR; |
157e3fc8 |
230 | static const char file[] = __FILE__; |
0cb96387 |
231 | |
232 | newXS("UNIVERSAL::isa", XS_UNIVERSAL_isa, file); |
233 | newXS("UNIVERSAL::can", XS_UNIVERSAL_can, file); |
cbc021f9 |
234 | newXS("UNIVERSAL::DOES", XS_UNIVERSAL_DOES, file); |
0cb96387 |
235 | newXS("UNIVERSAL::VERSION", XS_UNIVERSAL_VERSION, file); |
439cb1c4 |
236 | { |
ad63d80f |
237 | /* register the overloading (type 'A') magic */ |
238 | PL_amagic_generation++; |
439cb1c4 |
239 | /* Make it findable via fetchmethod */ |
be2ebcad |
240 | newXS("version::()", XS_version_noop, file); |
439cb1c4 |
241 | newXS("version::new", XS_version_new, file); |
242 | newXS("version::(\"\"", XS_version_stringify, file); |
243 | newXS("version::stringify", XS_version_stringify, file); |
244 | newXS("version::(0+", XS_version_numify, file); |
245 | newXS("version::numify", XS_version_numify, file); |
9137345a |
246 | newXS("version::normal", XS_version_normal, file); |
439cb1c4 |
247 | newXS("version::(cmp", XS_version_vcmp, file); |
248 | newXS("version::(<=>", XS_version_vcmp, file); |
249 | newXS("version::vcmp", XS_version_vcmp, file); |
250 | newXS("version::(bool", XS_version_boolean, file); |
251 | newXS("version::boolean", XS_version_boolean, file); |
252 | newXS("version::(nomethod", XS_version_noop, file); |
253 | newXS("version::noop", XS_version_noop, file); |
c8d69e4a |
254 | newXS("version::is_alpha", XS_version_is_alpha, file); |
137d6fc0 |
255 | newXS("version::qv", XS_version_qv, file); |
439cb1c4 |
256 | } |
8800c35a |
257 | newXS("utf8::is_utf8", XS_utf8_is_utf8, file); |
1b026014 |
258 | newXS("utf8::valid", XS_utf8_valid, file); |
259 | newXS("utf8::encode", XS_utf8_encode, file); |
260 | newXS("utf8::decode", XS_utf8_decode, file); |
261 | newXS("utf8::upgrade", XS_utf8_upgrade, file); |
262 | newXS("utf8::downgrade", XS_utf8_downgrade, file); |
263 | newXS("utf8::native_to_unicode", XS_utf8_native_to_unicode, file); |
264 | newXS("utf8::unicode_to_native", XS_utf8_unicode_to_native, file); |
29569577 |
265 | newXSproto("Internals::SvREADONLY",XS_Internals_SvREADONLY, file, "\\[$%@];$"); |
266 | newXSproto("Internals::SvREFCNT",XS_Internals_SvREFCNT, file, "\\[$%@];$"); |
dfd4ef2f |
267 | newXSproto("Internals::hv_clear_placeholders", |
f044d0d1 |
268 | XS_Internals_hv_clear_placehold, file, "\\%"); |
9d569fce |
269 | newXSproto("PerlIO::get_layers", |
270 | XS_PerlIO_get_layers, file, "*;@"); |
9a7034eb |
271 | newXSproto("Internals::hash_seed",XS_Internals_hash_seed, file, ""); |
008fb0c0 |
272 | newXSproto("Internals::rehash_seed",XS_Internals_rehash_seed, file, ""); |
05619474 |
273 | newXSproto("Internals::HvREHASH", XS_Internals_HvREHASH, file, "\\%"); |
80305961 |
274 | newXSproto("re::is_regexp", XS_re_is_regexp, file, "$"); |
28d8d7f4 |
275 | newXSproto("re::regname", XS_re_regname, file, ";$$"); |
276 | newXSproto("re::regnames", XS_re_regnames, file, ";$"); |
28d8d7f4 |
277 | newXSproto("re::regnames_count", XS_re_regnames_count, file, ""); |
192b9cd1 |
278 | newXS("Tie::Hash::NamedCapture::FETCH", XS_Tie_Hash_NamedCapture_FETCH, file); |
279 | newXS("Tie::Hash::NamedCapture::STORE", XS_Tie_Hash_NamedCapture_STORE, file); |
280 | newXS("Tie::Hash::NamedCapture::DELETE", XS_Tie_Hash_NamedCapture_DELETE, file); |
281 | newXS("Tie::Hash::NamedCapture::CLEAR", XS_Tie_Hash_NamedCapture_CLEAR, file); |
282 | newXS("Tie::Hash::NamedCapture::EXISTS", XS_Tie_Hash_NamedCapture_EXISTS, file); |
86aa3d53 |
283 | newXS("Tie::Hash::NamedCapture::FIRSTKEY", XS_Tie_Hash_NamedCapture_FIRSTK, file); |
284 | newXS("Tie::Hash::NamedCapture::NEXTKEY", XS_Tie_Hash_NamedCapture_NEXTK, file); |
192b9cd1 |
285 | newXS("Tie::Hash::NamedCapture::SCALAR", XS_Tie_Hash_NamedCapture_SCALAR, file); |
286 | newXS("Tie::Hash::NamedCapture::flags", XS_Tie_Hash_NamedCapture_flags, file); |
0cb96387 |
287 | } |
288 | |
55497cff |
289 | |
6d4a7be2 |
290 | XS(XS_UNIVERSAL_isa) |
291 | { |
97aff369 |
292 | dVAR; |
6d4a7be2 |
293 | dXSARGS; |
58c0efa5 |
294 | PERL_UNUSED_ARG(cv); |
6d4a7be2 |
295 | |
296 | if (items != 2) |
cea2e8a9 |
297 | Perl_croak(aTHX_ "Usage: UNIVERSAL::isa(reference, kind)"); |
c4420975 |
298 | else { |
299 | SV * const sv = ST(0); |
300 | const char *name; |
6d4a7be2 |
301 | |
c4420975 |
302 | SvGETMAGIC(sv); |
d3f7f2b2 |
303 | |
c4420975 |
304 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
305 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) |
306 | XSRETURN_UNDEF; |
f8f70380 |
307 | |
c4420975 |
308 | name = SvPV_nolen_const(ST(1)); |
6d4a7be2 |
309 | |
c4420975 |
310 | ST(0) = boolSV(sv_derived_from(sv, name)); |
311 | XSRETURN(1); |
312 | } |
6d4a7be2 |
313 | } |
314 | |
6d4a7be2 |
315 | XS(XS_UNIVERSAL_can) |
316 | { |
97aff369 |
317 | dVAR; |
6d4a7be2 |
318 | dXSARGS; |
319 | SV *sv; |
6867be6d |
320 | const char *name; |
6d4a7be2 |
321 | SV *rv; |
6f08146e |
322 | HV *pkg = NULL; |
58c0efa5 |
323 | PERL_UNUSED_ARG(cv); |
6d4a7be2 |
324 | |
325 | if (items != 2) |
cea2e8a9 |
326 | Perl_croak(aTHX_ "Usage: UNIVERSAL::can(object-ref, method)"); |
6d4a7be2 |
327 | |
328 | sv = ST(0); |
f8f70380 |
329 | |
5b295bef |
330 | SvGETMAGIC(sv); |
d3f7f2b2 |
331 | |
253ecd6d |
332 | if (!SvOK(sv) || !(SvROK(sv) || (SvPOK(sv) && SvCUR(sv)) |
333 | || (SvGMAGICAL(sv) && SvPOKp(sv) && SvCUR(sv)))) |
f8f70380 |
334 | XSRETURN_UNDEF; |
335 | |
0510663f |
336 | name = SvPV_nolen_const(ST(1)); |
3280af22 |
337 | rv = &PL_sv_undef; |
6d4a7be2 |
338 | |
46e4b22b |
339 | if (SvROK(sv)) { |
6f08146e |
340 | sv = (SV*)SvRV(sv); |
46e4b22b |
341 | if (SvOBJECT(sv)) |
6f08146e |
342 | pkg = SvSTASH(sv); |
343 | } |
344 | else { |
da51bb9b |
345 | pkg = gv_stashsv(sv, 0); |
6f08146e |
346 | } |
347 | |
348 | if (pkg) { |
c4420975 |
349 | GV * const gv = gv_fetchmethod_autoload(pkg, name, FALSE); |
dc848c6f |
350 | if (gv && isGV(gv)) |
351 | rv = sv_2mortal(newRV((SV*)GvCV(gv))); |
6d4a7be2 |
352 | } |
353 | |
354 | ST(0) = rv; |
355 | XSRETURN(1); |
356 | } |
357 | |
cbc021f9 |
358 | XS(XS_UNIVERSAL_DOES) |
359 | { |
360 | dVAR; |
361 | dXSARGS; |
58c0efa5 |
362 | PERL_UNUSED_ARG(cv); |
cbc021f9 |
363 | |
364 | if (items != 2) |
26be3db7 |
365 | Perl_croak(aTHX_ "Usage: invocant->DOES(kind)"); |
cbc021f9 |
366 | else { |
367 | SV * const sv = ST(0); |
368 | const char *name; |
369 | |
370 | name = SvPV_nolen_const(ST(1)); |
371 | if (sv_does( sv, name )) |
372 | XSRETURN_YES; |
373 | |
374 | XSRETURN_NO; |
375 | } |
376 | } |
377 | |
6d4a7be2 |
378 | XS(XS_UNIVERSAL_VERSION) |
379 | { |
97aff369 |
380 | dVAR; |
6d4a7be2 |
381 | dXSARGS; |
382 | HV *pkg; |
383 | GV **gvp; |
384 | GV *gv; |
385 | SV *sv; |
e1ec3a88 |
386 | const char *undef; |
58c0efa5 |
387 | PERL_UNUSED_ARG(cv); |
6d4a7be2 |
388 | |
1571675a |
389 | if (SvROK(ST(0))) { |
6d4a7be2 |
390 | sv = (SV*)SvRV(ST(0)); |
1571675a |
391 | if (!SvOBJECT(sv)) |
cea2e8a9 |
392 | Perl_croak(aTHX_ "Cannot find version of an unblessed reference"); |
6d4a7be2 |
393 | pkg = SvSTASH(sv); |
394 | } |
395 | else { |
da51bb9b |
396 | pkg = gv_stashsv(ST(0), 0); |
6d4a7be2 |
397 | } |
398 | |
4608196e |
399 | gvp = pkg ? (GV**)hv_fetchs(pkg, "VERSION", FALSE) : NULL; |
6d4a7be2 |
400 | |
0008872a |
401 | if (gvp && isGV(gv = *gvp) && (sv = GvSV(gv)) && SvOK(sv)) { |
c4420975 |
402 | SV * const nsv = sv_newmortal(); |
6d4a7be2 |
403 | sv_setsv(nsv, sv); |
404 | sv = nsv; |
137d6fc0 |
405 | if ( !sv_derived_from(sv, "version")) |
ac0e6a2f |
406 | upg_version(sv, FALSE); |
c445ea15 |
407 | undef = NULL; |
6d4a7be2 |
408 | } |
409 | else { |
3280af22 |
410 | sv = (SV*)&PL_sv_undef; |
6d4a7be2 |
411 | undef = "(undef)"; |
412 | } |
413 | |
1571675a |
414 | if (items > 1) { |
1571675a |
415 | SV *req = ST(1); |
416 | |
62658f4d |
417 | if (undef) { |
bfcb3514 |
418 | if (pkg) { |
c4420975 |
419 | const char * const name = HvNAME_get(pkg); |
a3b680e6 |
420 | Perl_croak(aTHX_ |
bfcb3514 |
421 | "%s does not define $%s::VERSION--version check failed", |
422 | name, name); |
423 | } else { |
a3b680e6 |
424 | Perl_croak(aTHX_ |
425 | "%s defines neither package nor VERSION--version check failed", |
0510663f |
426 | SvPVx_nolen_const(ST(0)) ); |
62658f4d |
427 | } |
428 | } |
ad63d80f |
429 | |
137d6fc0 |
430 | if ( !sv_derived_from(req, "version")) { |
431 | /* req may very well be R/O, so create a new object */ |
ac0e6a2f |
432 | req = sv_2mortal( new_version(req) ); |
137d6fc0 |
433 | } |
1571675a |
434 | |
ac0e6a2f |
435 | if ( vcmp( req, sv ) > 0 ) { |
436 | if ( hv_exists((HV*)SvRV(req), "qv", 2 ) ) { |
437 | Perl_croak(aTHX_ "%s version %"SVf" required--" |
438 | "this is only version %"SVf"", HvNAME_get(pkg), |
be2597df |
439 | SVfARG(vnormal(req)), |
be2597df |
440 | SVfARG(vnormal(sv))); |
ac0e6a2f |
441 | } else { |
442 | Perl_croak(aTHX_ "%s version %"SVf" required--" |
443 | "this is only version %"SVf"", HvNAME_get(pkg), |
8cb289bd |
444 | SVfARG(vstringify(req)), |
445 | SVfARG(vstringify(sv))); |
ac0e6a2f |
446 | } |
447 | } |
448 | |
2d8e6c8d |
449 | } |
6d4a7be2 |
450 | |
2b140d5b |
451 | if ( SvOK(sv) && sv_derived_from(sv, "version") ) { |
8cb289bd |
452 | ST(0) = vstringify(sv); |
13f8f398 |
453 | } else { |
454 | ST(0) = sv; |
b38a9dc5 |
455 | } |
6d4a7be2 |
456 | |
457 | XSRETURN(1); |
458 | } |
459 | |
439cb1c4 |
460 | XS(XS_version_new) |
461 | { |
97aff369 |
462 | dVAR; |
439cb1c4 |
463 | dXSARGS; |
58c0efa5 |
464 | PERL_UNUSED_ARG(cv); |
129318bd |
465 | if (items > 3) |
439cb1c4 |
466 | Perl_croak(aTHX_ "Usage: version::new(class, version)"); |
467 | SP -= items; |
468 | { |
137d6fc0 |
469 | SV *vs = ST(1); |
470 | SV *rv; |
c4420975 |
471 | const char * const classname = |
472 | sv_isobject(ST(0)) /* get the class if called as an object method */ |
473 | ? HvNAME(SvSTASH(SvRV(ST(0)))) |
474 | : (char *)SvPV_nolen(ST(0)); |
9137345a |
475 | |
92dcf8ce |
476 | if ( items == 1 || vs == &PL_sv_undef ) { /* no param or explicit undef */ |
477 | /* create empty object */ |
478 | vs = sv_newmortal(); |
479 | sv_setpvn(vs,"",0); |
9137345a |
480 | } |
481 | else if ( items == 3 ) { |
482 | vs = sv_newmortal(); |
cfd0369c |
483 | Perl_sv_setpvf(aTHX_ vs,"v%s",SvPV_nolen_const(ST(2))); |
129318bd |
484 | } |
439cb1c4 |
485 | |
137d6fc0 |
486 | rv = new_version(vs); |
0723351e |
487 | if ( strcmp(classname,"version") != 0 ) /* inherited new() */ |
da51bb9b |
488 | sv_bless(rv, gv_stashpv(classname, GV_ADD)); |
137d6fc0 |
489 | |
490 | PUSHs(sv_2mortal(rv)); |
439cb1c4 |
491 | PUTBACK; |
492 | return; |
493 | } |
494 | } |
495 | |
496 | XS(XS_version_stringify) |
497 | { |
97aff369 |
498 | dVAR; |
41be1fbd |
499 | dXSARGS; |
58c0efa5 |
500 | PERL_UNUSED_ARG(cv); |
41be1fbd |
501 | if (items < 1) |
502 | Perl_croak(aTHX_ "Usage: version::stringify(lobj, ...)"); |
503 | SP -= items; |
504 | { |
7452cf6a |
505 | SV * lobj; |
41be1fbd |
506 | |
507 | if (sv_derived_from(ST(0), "version")) { |
9137345a |
508 | lobj = SvRV(ST(0)); |
41be1fbd |
509 | } |
510 | else |
511 | Perl_croak(aTHX_ "lobj is not of type version"); |
512 | |
137d6fc0 |
513 | PUSHs(sv_2mortal(vstringify(lobj))); |
41be1fbd |
514 | |
515 | PUTBACK; |
516 | return; |
517 | } |
439cb1c4 |
518 | } |
519 | |
520 | XS(XS_version_numify) |
521 | { |
97aff369 |
522 | dVAR; |
41be1fbd |
523 | dXSARGS; |
58c0efa5 |
524 | PERL_UNUSED_ARG(cv); |
41be1fbd |
525 | if (items < 1) |
526 | Perl_croak(aTHX_ "Usage: version::numify(lobj, ...)"); |
527 | SP -= items; |
528 | { |
7452cf6a |
529 | SV * lobj; |
41be1fbd |
530 | |
531 | if (sv_derived_from(ST(0), "version")) { |
9137345a |
532 | lobj = SvRV(ST(0)); |
41be1fbd |
533 | } |
534 | else |
535 | Perl_croak(aTHX_ "lobj is not of type version"); |
536 | |
137d6fc0 |
537 | PUSHs(sv_2mortal(vnumify(lobj))); |
41be1fbd |
538 | |
539 | PUTBACK; |
540 | return; |
541 | } |
439cb1c4 |
542 | } |
543 | |
9137345a |
544 | XS(XS_version_normal) |
545 | { |
97aff369 |
546 | dVAR; |
9137345a |
547 | dXSARGS; |
58c0efa5 |
548 | PERL_UNUSED_ARG(cv); |
9137345a |
549 | if (items < 1) |
550 | Perl_croak(aTHX_ "Usage: version::normal(lobj, ...)"); |
551 | SP -= items; |
552 | { |
7452cf6a |
553 | SV * lobj; |
9137345a |
554 | |
555 | if (sv_derived_from(ST(0), "version")) { |
556 | lobj = SvRV(ST(0)); |
557 | } |
558 | else |
559 | Perl_croak(aTHX_ "lobj is not of type version"); |
560 | |
561 | PUSHs(sv_2mortal(vnormal(lobj))); |
562 | |
563 | PUTBACK; |
564 | return; |
565 | } |
566 | } |
567 | |
439cb1c4 |
568 | XS(XS_version_vcmp) |
569 | { |
97aff369 |
570 | dVAR; |
41be1fbd |
571 | dXSARGS; |
58c0efa5 |
572 | PERL_UNUSED_ARG(cv); |
41be1fbd |
573 | if (items < 1) |
574 | Perl_croak(aTHX_ "Usage: version::vcmp(lobj, ...)"); |
575 | SP -= items; |
576 | { |
7452cf6a |
577 | SV * lobj; |
41be1fbd |
578 | |
579 | if (sv_derived_from(ST(0), "version")) { |
9137345a |
580 | lobj = SvRV(ST(0)); |
41be1fbd |
581 | } |
582 | else |
583 | Perl_croak(aTHX_ "lobj is not of type version"); |
584 | |
585 | { |
586 | SV *rs; |
587 | SV *rvs; |
588 | SV * robj = ST(1); |
7452cf6a |
589 | const IV swap = (IV)SvIV(ST(2)); |
41be1fbd |
590 | |
591 | if ( ! sv_derived_from(robj, "version") ) |
592 | { |
593 | robj = new_version(robj); |
594 | } |
595 | rvs = SvRV(robj); |
596 | |
597 | if ( swap ) |
598 | { |
599 | rs = newSViv(vcmp(rvs,lobj)); |
600 | } |
601 | else |
602 | { |
603 | rs = newSViv(vcmp(lobj,rvs)); |
604 | } |
605 | |
137d6fc0 |
606 | PUSHs(sv_2mortal(rs)); |
41be1fbd |
607 | } |
608 | |
609 | PUTBACK; |
610 | return; |
611 | } |
439cb1c4 |
612 | } |
613 | |
614 | XS(XS_version_boolean) |
615 | { |
97aff369 |
616 | dVAR; |
617 | dXSARGS; |
58c0efa5 |
618 | PERL_UNUSED_ARG(cv); |
97aff369 |
619 | if (items < 1) |
620 | Perl_croak(aTHX_ "Usage: version::boolean(lobj, ...)"); |
621 | SP -= items; |
c4420975 |
622 | if (sv_derived_from(ST(0), "version")) { |
623 | SV * const lobj = SvRV(ST(0)); |
396482e1 |
624 | SV * const rs = newSViv( vcmp(lobj,new_version(newSVpvs("0"))) ); |
c4420975 |
625 | PUSHs(sv_2mortal(rs)); |
626 | PUTBACK; |
627 | return; |
628 | } |
629 | else |
630 | Perl_croak(aTHX_ "lobj is not of type version"); |
439cb1c4 |
631 | } |
632 | |
633 | XS(XS_version_noop) |
634 | { |
97aff369 |
635 | dVAR; |
2dfd8427 |
636 | dXSARGS; |
58c0efa5 |
637 | PERL_UNUSED_ARG(cv); |
2dfd8427 |
638 | if (items < 1) |
639 | Perl_croak(aTHX_ "Usage: version::noop(lobj, ...)"); |
640 | if (sv_derived_from(ST(0), "version")) |
641 | Perl_croak(aTHX_ "operation not supported with version object"); |
642 | else |
643 | Perl_croak(aTHX_ "lobj is not of type version"); |
644 | #ifndef HASATTRIBUTE_NORETURN |
645 | XSRETURN_EMPTY; |
646 | #endif |
439cb1c4 |
647 | } |
648 | |
c8d69e4a |
649 | XS(XS_version_is_alpha) |
650 | { |
97aff369 |
651 | dVAR; |
c8d69e4a |
652 | dXSARGS; |
58c0efa5 |
653 | PERL_UNUSED_ARG(cv); |
c8d69e4a |
654 | if (items != 1) |
655 | Perl_croak(aTHX_ "Usage: version::is_alpha(lobj)"); |
656 | SP -= items; |
c4420975 |
657 | if (sv_derived_from(ST(0), "version")) { |
658 | SV * const lobj = ST(0); |
659 | if ( hv_exists((HV*)SvRV(lobj), "alpha", 5 ) ) |
660 | XSRETURN_YES; |
661 | else |
662 | XSRETURN_NO; |
c8d69e4a |
663 | PUTBACK; |
664 | return; |
665 | } |
c4420975 |
666 | else |
667 | Perl_croak(aTHX_ "lobj is not of type version"); |
c8d69e4a |
668 | } |
669 | |
137d6fc0 |
670 | XS(XS_version_qv) |
671 | { |
97aff369 |
672 | dVAR; |
137d6fc0 |
673 | dXSARGS; |
58c0efa5 |
674 | PERL_UNUSED_ARG(cv); |
137d6fc0 |
675 | if (items != 1) |
676 | Perl_croak(aTHX_ "Usage: version::qv(ver)"); |
677 | SP -= items; |
678 | { |
679 | SV * ver = ST(0); |
c4420975 |
680 | if ( !SvVOK(ver) ) { /* only need to do with if not already v-string */ |
ac0e6a2f |
681 | SV * const rv = sv_newmortal(); |
682 | sv_setsv(rv,ver); /* make a duplicate */ |
683 | upg_version(rv, TRUE); |
684 | PUSHs(rv); |
137d6fc0 |
685 | } |
686 | else |
687 | { |
688 | PUSHs(sv_2mortal(new_version(ver))); |
689 | } |
690 | |
691 | PUTBACK; |
692 | return; |
693 | } |
694 | } |
695 | |
8800c35a |
696 | XS(XS_utf8_is_utf8) |
697 | { |
97aff369 |
698 | dVAR; |
41be1fbd |
699 | dXSARGS; |
58c0efa5 |
700 | PERL_UNUSED_ARG(cv); |
41be1fbd |
701 | if (items != 1) |
702 | Perl_croak(aTHX_ "Usage: utf8::is_utf8(sv)"); |
c4420975 |
703 | else { |
704 | const SV * const sv = ST(0); |
705 | if (SvUTF8(sv)) |
706 | XSRETURN_YES; |
707 | else |
708 | XSRETURN_NO; |
41be1fbd |
709 | } |
710 | XSRETURN_EMPTY; |
8800c35a |
711 | } |
712 | |
1b026014 |
713 | XS(XS_utf8_valid) |
714 | { |
97aff369 |
715 | dVAR; |
41be1fbd |
716 | dXSARGS; |
58c0efa5 |
717 | PERL_UNUSED_ARG(cv); |
41be1fbd |
718 | if (items != 1) |
719 | Perl_croak(aTHX_ "Usage: utf8::valid(sv)"); |
c4420975 |
720 | else { |
721 | SV * const sv = ST(0); |
722 | STRLEN len; |
723 | const char * const s = SvPV_const(sv,len); |
724 | if (!SvUTF8(sv) || is_utf8_string((const U8*)s,len)) |
725 | XSRETURN_YES; |
726 | else |
727 | XSRETURN_NO; |
728 | } |
41be1fbd |
729 | XSRETURN_EMPTY; |
1b026014 |
730 | } |
731 | |
732 | XS(XS_utf8_encode) |
733 | { |
97aff369 |
734 | dVAR; |
1b026014 |
735 | dXSARGS; |
58c0efa5 |
736 | PERL_UNUSED_ARG(cv); |
1b026014 |
737 | if (items != 1) |
738 | Perl_croak(aTHX_ "Usage: utf8::encode(sv)"); |
c4420975 |
739 | sv_utf8_encode(ST(0)); |
1b026014 |
740 | XSRETURN_EMPTY; |
741 | } |
742 | |
743 | XS(XS_utf8_decode) |
744 | { |
97aff369 |
745 | dVAR; |
1b026014 |
746 | dXSARGS; |
58c0efa5 |
747 | PERL_UNUSED_ARG(cv); |
1b026014 |
748 | if (items != 1) |
749 | Perl_croak(aTHX_ "Usage: utf8::decode(sv)"); |
c4420975 |
750 | else { |
751 | SV * const sv = ST(0); |
6867be6d |
752 | const bool RETVAL = sv_utf8_decode(sv); |
1b026014 |
753 | ST(0) = boolSV(RETVAL); |
754 | sv_2mortal(ST(0)); |
755 | } |
756 | XSRETURN(1); |
757 | } |
758 | |
759 | XS(XS_utf8_upgrade) |
760 | { |
97aff369 |
761 | dVAR; |
1b026014 |
762 | dXSARGS; |
58c0efa5 |
763 | PERL_UNUSED_ARG(cv); |
1b026014 |
764 | if (items != 1) |
765 | Perl_croak(aTHX_ "Usage: utf8::upgrade(sv)"); |
c4420975 |
766 | else { |
767 | SV * const sv = ST(0); |
1b026014 |
768 | STRLEN RETVAL; |
769 | dXSTARG; |
770 | |
771 | RETVAL = sv_utf8_upgrade(sv); |
772 | XSprePUSH; PUSHi((IV)RETVAL); |
773 | } |
774 | XSRETURN(1); |
775 | } |
776 | |
777 | XS(XS_utf8_downgrade) |
778 | { |
97aff369 |
779 | dVAR; |
1b026014 |
780 | dXSARGS; |
58c0efa5 |
781 | PERL_UNUSED_ARG(cv); |
1b026014 |
782 | if (items < 1 || items > 2) |
783 | Perl_croak(aTHX_ "Usage: utf8::downgrade(sv, failok=0)"); |
c4420975 |
784 | else { |
785 | SV * const sv = ST(0); |
6867be6d |
786 | const bool failok = (items < 2) ? 0 : (int)SvIV(ST(1)); |
787 | const bool RETVAL = sv_utf8_downgrade(sv, failok); |
1b026014 |
788 | |
1b026014 |
789 | ST(0) = boolSV(RETVAL); |
790 | sv_2mortal(ST(0)); |
791 | } |
792 | XSRETURN(1); |
793 | } |
794 | |
795 | XS(XS_utf8_native_to_unicode) |
796 | { |
97aff369 |
797 | dVAR; |
1b026014 |
798 | dXSARGS; |
6867be6d |
799 | const UV uv = SvUV(ST(0)); |
58c0efa5 |
800 | PERL_UNUSED_ARG(cv); |
b7953727 |
801 | |
802 | if (items > 1) |
803 | Perl_croak(aTHX_ "Usage: utf8::native_to_unicode(sv)"); |
804 | |
1b026014 |
805 | ST(0) = sv_2mortal(newSViv(NATIVE_TO_UNI(uv))); |
806 | XSRETURN(1); |
807 | } |
808 | |
809 | XS(XS_utf8_unicode_to_native) |
810 | { |
97aff369 |
811 | dVAR; |
1b026014 |
812 | dXSARGS; |
6867be6d |
813 | const UV uv = SvUV(ST(0)); |
58c0efa5 |
814 | PERL_UNUSED_ARG(cv); |
b7953727 |
815 | |
816 | if (items > 1) |
817 | Perl_croak(aTHX_ "Usage: utf8::unicode_to_native(sv)"); |
818 | |
1b026014 |
819 | ST(0) = sv_2mortal(newSViv(UNI_TO_NATIVE(uv))); |
820 | XSRETURN(1); |
821 | } |
822 | |
14a976d6 |
823 | XS(XS_Internals_SvREADONLY) /* This is dangerous stuff. */ |
29569577 |
824 | { |
97aff369 |
825 | dVAR; |
29569577 |
826 | dXSARGS; |
c4420975 |
827 | SV * const sv = SvRV(ST(0)); |
58c0efa5 |
828 | PERL_UNUSED_ARG(cv); |
6867be6d |
829 | |
29569577 |
830 | if (items == 1) { |
831 | if (SvREADONLY(sv)) |
832 | XSRETURN_YES; |
833 | else |
834 | XSRETURN_NO; |
835 | } |
836 | else if (items == 2) { |
837 | if (SvTRUE(ST(1))) { |
838 | SvREADONLY_on(sv); |
839 | XSRETURN_YES; |
840 | } |
841 | else { |
14a976d6 |
842 | /* I hope you really know what you are doing. */ |
29569577 |
843 | SvREADONLY_off(sv); |
844 | XSRETURN_NO; |
845 | } |
846 | } |
14a976d6 |
847 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 |
848 | } |
849 | |
14a976d6 |
850 | XS(XS_Internals_SvREFCNT) /* This is dangerous stuff. */ |
29569577 |
851 | { |
97aff369 |
852 | dVAR; |
29569577 |
853 | dXSARGS; |
c4420975 |
854 | SV * const sv = SvRV(ST(0)); |
58c0efa5 |
855 | PERL_UNUSED_ARG(cv); |
6867be6d |
856 | |
29569577 |
857 | if (items == 1) |
14a976d6 |
858 | XSRETURN_IV(SvREFCNT(sv) - 1); /* Minus the ref created for us. */ |
29569577 |
859 | else if (items == 2) { |
14a976d6 |
860 | /* I hope you really know what you are doing. */ |
29569577 |
861 | SvREFCNT(sv) = SvIV(ST(1)); |
862 | XSRETURN_IV(SvREFCNT(sv)); |
863 | } |
14a976d6 |
864 | XSRETURN_UNDEF; /* Can't happen. */ |
29569577 |
865 | } |
866 | |
f044d0d1 |
867 | XS(XS_Internals_hv_clear_placehold) |
dfd4ef2f |
868 | { |
97aff369 |
869 | dVAR; |
dfd4ef2f |
870 | dXSARGS; |
58c0efa5 |
871 | PERL_UNUSED_ARG(cv); |
6867be6d |
872 | |
3540d4ce |
873 | if (items != 1) |
874 | Perl_croak(aTHX_ "Usage: UNIVERSAL::hv_clear_placeholders(hv)"); |
c4420975 |
875 | else { |
876 | HV * const hv = (HV *) SvRV(ST(0)); |
877 | hv_clear_placeholders(hv); |
878 | XSRETURN(0); |
879 | } |
dfd4ef2f |
880 | } |
39f7a870 |
881 | |
882 | XS(XS_PerlIO_get_layers) |
883 | { |
97aff369 |
884 | dVAR; |
39f7a870 |
885 | dXSARGS; |
58c0efa5 |
886 | PERL_UNUSED_ARG(cv); |
39f7a870 |
887 | if (items < 1 || items % 2 == 0) |
888 | Perl_croak(aTHX_ "Usage: PerlIO_get_layers(filehandle[,args])"); |
5fef3b4a |
889 | #ifdef USE_PERLIO |
39f7a870 |
890 | { |
891 | SV * sv; |
892 | GV * gv; |
893 | IO * io; |
894 | bool input = TRUE; |
895 | bool details = FALSE; |
896 | |
897 | if (items > 1) { |
c4420975 |
898 | SV * const *svp; |
39f7a870 |
899 | for (svp = MARK + 2; svp <= SP; svp += 2) { |
c4420975 |
900 | SV * const * const varp = svp; |
901 | SV * const * const valp = svp + 1; |
39f7a870 |
902 | STRLEN klen; |
c4420975 |
903 | const char * const key = SvPV_const(*varp, klen); |
39f7a870 |
904 | |
905 | switch (*key) { |
906 | case 'i': |
907 | if (klen == 5 && memEQ(key, "input", 5)) { |
908 | input = SvTRUE(*valp); |
909 | break; |
910 | } |
911 | goto fail; |
912 | case 'o': |
913 | if (klen == 6 && memEQ(key, "output", 6)) { |
914 | input = !SvTRUE(*valp); |
915 | break; |
916 | } |
917 | goto fail; |
918 | case 'd': |
919 | if (klen == 7 && memEQ(key, "details", 7)) { |
920 | details = SvTRUE(*valp); |
921 | break; |
922 | } |
923 | goto fail; |
924 | default: |
925 | fail: |
926 | Perl_croak(aTHX_ |
927 | "get_layers: unknown argument '%s'", |
928 | key); |
929 | } |
930 | } |
931 | |
932 | SP -= (items - 1); |
933 | } |
934 | |
935 | sv = POPs; |
936 | gv = (GV*)sv; |
937 | |
938 | if (!isGV(sv)) { |
939 | if (SvROK(sv) && isGV(SvRV(sv))) |
940 | gv = (GV*)SvRV(sv); |
671d49be |
941 | else if (SvPOKp(sv)) |
f776e3cd |
942 | gv = gv_fetchsv(sv, 0, SVt_PVIO); |
39f7a870 |
943 | } |
944 | |
945 | if (gv && (io = GvIO(gv))) { |
946 | dTARGET; |
c4420975 |
947 | AV* const av = PerlIO_get_layers(aTHX_ input ? |
39f7a870 |
948 | IoIFP(io) : IoOFP(io)); |
949 | I32 i; |
c4420975 |
950 | const I32 last = av_len(av); |
39f7a870 |
951 | I32 nitem = 0; |
952 | |
953 | for (i = last; i >= 0; i -= 3) { |
c4420975 |
954 | SV * const * const namsvp = av_fetch(av, i - 2, FALSE); |
955 | SV * const * const argsvp = av_fetch(av, i - 1, FALSE); |
956 | SV * const * const flgsvp = av_fetch(av, i, FALSE); |
39f7a870 |
957 | |
c4420975 |
958 | const bool namok = namsvp && *namsvp && SvPOK(*namsvp); |
959 | const bool argok = argsvp && *argsvp && SvPOK(*argsvp); |
960 | const bool flgok = flgsvp && *flgsvp && SvIOK(*flgsvp); |
39f7a870 |
961 | |
962 | if (details) { |
ec3bab8e |
963 | XPUSHs(namok |
964 | ? newSVpvn(SvPVX_const(*namsvp), SvCUR(*namsvp)) |
965 | : &PL_sv_undef); |
966 | XPUSHs(argok |
967 | ? newSVpvn(SvPVX_const(*argsvp), SvCUR(*argsvp)) |
968 | : &PL_sv_undef); |
39f7a870 |
969 | if (flgok) |
970 | XPUSHi(SvIVX(*flgsvp)); |
971 | else |
972 | XPUSHs(&PL_sv_undef); |
973 | nitem += 3; |
974 | } |
975 | else { |
976 | if (namok && argok) |
977 | XPUSHs(Perl_newSVpvf(aTHX_ "%"SVf"(%"SVf")", |
be2597df |
978 | SVfARG(*namsvp), |
979 | SVfARG(*argsvp))); |
39f7a870 |
980 | else if (namok) |
95b63a38 |
981 | XPUSHs(Perl_newSVpvf(aTHX_ "%"SVf, |
be2597df |
982 | SVfARG(*namsvp))); |
39f7a870 |
983 | else |
984 | XPUSHs(&PL_sv_undef); |
985 | nitem++; |
986 | if (flgok) { |
c4420975 |
987 | const IV flags = SvIVX(*flgsvp); |
39f7a870 |
988 | |
989 | if (flags & PERLIO_F_UTF8) { |
396482e1 |
990 | XPUSHs(newSVpvs("utf8")); |
39f7a870 |
991 | nitem++; |
992 | } |
993 | } |
994 | } |
995 | } |
996 | |
997 | SvREFCNT_dec(av); |
998 | |
999 | XSRETURN(nitem); |
1000 | } |
1001 | } |
5fef3b4a |
1002 | #endif |
39f7a870 |
1003 | |
1004 | XSRETURN(0); |
1005 | } |
1006 | |
9a7034eb |
1007 | XS(XS_Internals_hash_seed) |
c910b28a |
1008 | { |
97aff369 |
1009 | dVAR; |
c85d3f85 |
1010 | /* Using dXSARGS would also have dITEM and dSP, |
1011 | * which define 2 unused local variables. */ |
557b887a |
1012 | dAXMARK; |
53c1dcc0 |
1013 | PERL_UNUSED_ARG(cv); |
ad73156c |
1014 | PERL_UNUSED_VAR(mark); |
81eaca17 |
1015 | XSRETURN_UV(PERL_HASH_SEED); |
c910b28a |
1016 | } |
1017 | |
008fb0c0 |
1018 | XS(XS_Internals_rehash_seed) |
8e90d776 |
1019 | { |
97aff369 |
1020 | dVAR; |
8e90d776 |
1021 | /* Using dXSARGS would also have dITEM and dSP, |
1022 | * which define 2 unused local variables. */ |
557b887a |
1023 | dAXMARK; |
53c1dcc0 |
1024 | PERL_UNUSED_ARG(cv); |
ad73156c |
1025 | PERL_UNUSED_VAR(mark); |
008fb0c0 |
1026 | XSRETURN_UV(PL_rehash_seed); |
8e90d776 |
1027 | } |
1028 | |
05619474 |
1029 | XS(XS_Internals_HvREHASH) /* Subject to change */ |
1030 | { |
97aff369 |
1031 | dVAR; |
05619474 |
1032 | dXSARGS; |
58c0efa5 |
1033 | PERL_UNUSED_ARG(cv); |
05619474 |
1034 | if (SvROK(ST(0))) { |
c4420975 |
1035 | const HV * const hv = (HV *) SvRV(ST(0)); |
05619474 |
1036 | if (items == 1 && SvTYPE(hv) == SVt_PVHV) { |
1037 | if (HvREHASH(hv)) |
1038 | XSRETURN_YES; |
1039 | else |
1040 | XSRETURN_NO; |
1041 | } |
1042 | } |
1043 | Perl_croak(aTHX_ "Internals::HvREHASH $hashref"); |
1044 | } |
241d1a3b |
1045 | |
80305961 |
1046 | XS(XS_re_is_regexp) |
1047 | { |
1048 | dVAR; |
1049 | dXSARGS; |
f7e71195 |
1050 | PERL_UNUSED_VAR(cv); |
1051 | |
80305961 |
1052 | if (items != 1) |
1053 | Perl_croak(aTHX_ "Usage: %s(%s)", "re::is_regexp", "sv"); |
f7e71195 |
1054 | |
80305961 |
1055 | SP -= items; |
f7e71195 |
1056 | |
1057 | if (SvRXOK(ST(0))) { |
1058 | XSRETURN_YES; |
1059 | } else { |
1060 | XSRETURN_NO; |
80305961 |
1061 | } |
1062 | } |
1063 | |
192b9cd1 |
1064 | XS(XS_re_regnames_count) |
80305961 |
1065 | { |
192b9cd1 |
1066 | REGEXP *rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1067 | SV * ret; |
80305961 |
1068 | dVAR; |
1069 | dXSARGS; |
48fc4736 |
1070 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1071 | |
1072 | if (items != 0) |
1073 | Perl_croak(aTHX_ "Usage: %s(%s)", "re::regnames_count", ""); |
1074 | |
1075 | SP -= items; |
1076 | |
1077 | if (!rx) |
1078 | XSRETURN_UNDEF; |
1079 | |
1080 | ret = CALLREG_NAMED_BUFF_COUNT(rx); |
1081 | |
1082 | SPAGAIN; |
1083 | |
1084 | if (ret) { |
1085 | XPUSHs(ret); |
1086 | PUTBACK; |
1087 | return; |
1088 | } else { |
1089 | XSRETURN_UNDEF; |
1090 | } |
1091 | } |
1092 | |
1093 | XS(XS_re_regname) |
1094 | { |
1095 | dVAR; |
1096 | dXSARGS; |
1097 | REGEXP * rx; |
1098 | U32 flags; |
1099 | SV * ret; |
48fc4736 |
1100 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1101 | |
28d8d7f4 |
1102 | if (items < 1 || items > 2) |
192b9cd1 |
1103 | Perl_croak(aTHX_ "Usage: %s(%s)", "re::regname", "name[, all ]"); |
1104 | |
80305961 |
1105 | SP -= items; |
80305961 |
1106 | |
192b9cd1 |
1107 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1108 | |
1109 | if (!rx) |
1110 | XSRETURN_UNDEF; |
1111 | |
1112 | if (items == 2 && SvTRUE(ST(1))) { |
f1b875a0 |
1113 | flags = RXapif_ALL; |
192b9cd1 |
1114 | } else { |
f1b875a0 |
1115 | flags = RXapif_ONE; |
80305961 |
1116 | } |
f1b875a0 |
1117 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(0), (flags | RXapif_REGNAME)); |
192b9cd1 |
1118 | |
1119 | if (ret) { |
1120 | if (SvROK(ret)) |
1121 | XPUSHs(ret); |
1122 | else |
1123 | XPUSHs(SvREFCNT_inc(ret)); |
1124 | XSRETURN(1); |
1125 | } |
1126 | XSRETURN_UNDEF; |
80305961 |
1127 | } |
1128 | |
192b9cd1 |
1129 | |
80305961 |
1130 | XS(XS_re_regnames) |
1131 | { |
192b9cd1 |
1132 | dVAR; |
80305961 |
1133 | dXSARGS; |
192b9cd1 |
1134 | REGEXP * rx; |
1135 | U32 flags; |
1136 | SV *ret; |
1137 | AV *av; |
1138 | I32 length; |
1139 | I32 i; |
1140 | SV **entry; |
48fc4736 |
1141 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1142 | |
1143 | if (items > 1) |
1144 | Perl_croak(aTHX_ "Usage: %s(%s)", "re::regnames", "[all]"); |
1145 | |
1146 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1147 | |
1148 | if (!rx) |
1149 | XSRETURN_UNDEF; |
1150 | |
1151 | if (items == 1 && SvTRUE(ST(0))) { |
f1b875a0 |
1152 | flags = RXapif_ALL; |
192b9cd1 |
1153 | } else { |
f1b875a0 |
1154 | flags = RXapif_ONE; |
192b9cd1 |
1155 | } |
1156 | |
80305961 |
1157 | SP -= items; |
80305961 |
1158 | |
f1b875a0 |
1159 | ret = CALLREG_NAMED_BUFF_ALL(rx, (flags | RXapif_REGNAMES)); |
192b9cd1 |
1160 | |
1161 | SPAGAIN; |
1162 | |
1163 | SP -= items; |
1164 | |
1165 | if (!ret) |
1166 | XSRETURN_UNDEF; |
1167 | |
1168 | av = (AV*)SvRV(ret); |
1169 | length = av_len(av); |
1170 | |
1171 | for (i = 0; i <= length; i++) { |
1172 | entry = av_fetch(av, i, FALSE); |
1173 | |
1174 | if (!entry) |
1175 | Perl_croak(aTHX_ "NULL array element in re::regnames()"); |
1176 | |
1177 | XPUSHs(*entry); |
80305961 |
1178 | } |
192b9cd1 |
1179 | PUTBACK; |
1180 | return; |
80305961 |
1181 | } |
1182 | |
192b9cd1 |
1183 | XS(XS_Tie_Hash_NamedCapture_FETCH) |
80305961 |
1184 | { |
192b9cd1 |
1185 | dVAR; |
80305961 |
1186 | dXSARGS; |
192b9cd1 |
1187 | REGEXP * rx; |
1188 | U32 flags; |
1189 | SV * ret; |
48fc4736 |
1190 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1191 | |
1192 | if (items != 2) |
1193 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::STORE($key, $flags)"); |
1194 | |
1195 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1196 | |
1197 | if (!rx) |
1198 | XSRETURN_UNDEF; |
1199 | |
80305961 |
1200 | SP -= items; |
192b9cd1 |
1201 | |
1202 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1203 | ret = CALLREG_NAMED_BUFF_FETCH(rx, ST(1), flags); |
1204 | |
1205 | SPAGAIN; |
1206 | |
1207 | if (ret) { |
1208 | if (SvROK(ret)) |
1209 | XPUSHs(ret); |
1210 | else |
1211 | XPUSHs(SvREFCNT_inc(ret)); |
1212 | PUTBACK; |
1213 | return; |
1214 | } |
1215 | XSRETURN_UNDEF; |
1216 | } |
1217 | |
1218 | XS(XS_Tie_Hash_NamedCapture_STORE) |
1219 | { |
1220 | dVAR; |
1221 | dXSARGS; |
1222 | REGEXP * rx; |
1223 | U32 flags; |
48fc4736 |
1224 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1225 | |
1226 | if (items != 3) |
1227 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::STORE($key, $value, $flags)"); |
1228 | |
1229 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1230 | |
1231 | if (!rx) { |
1232 | if (!PL_localizing) |
1233 | Perl_croak(aTHX_ PL_no_modify); |
1234 | else |
28d8d7f4 |
1235 | XSRETURN_UNDEF; |
80305961 |
1236 | } |
192b9cd1 |
1237 | |
1238 | SP -= items; |
1239 | |
1240 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1241 | CALLREG_NAMED_BUFF_STORE(rx,ST(1), ST(2), flags); |
80305961 |
1242 | } |
1243 | |
192b9cd1 |
1244 | XS(XS_Tie_Hash_NamedCapture_DELETE) |
1245 | { |
1246 | dVAR; |
1247 | dXSARGS; |
1248 | REGEXP * rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1249 | U32 flags; |
48fc4736 |
1250 | PERL_UNUSED_ARG(cv); |
80305961 |
1251 | |
192b9cd1 |
1252 | if (items != 2) |
1253 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::DELETE($key, $flags)"); |
1254 | |
1255 | if (!rx) |
1256 | Perl_croak(aTHX_ PL_no_modify); |
1257 | |
1258 | SP -= items; |
1259 | |
1260 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1261 | CALLREG_NAMED_BUFF_DELETE(rx, ST(1), flags); |
1262 | } |
1263 | |
1264 | XS(XS_Tie_Hash_NamedCapture_CLEAR) |
80305961 |
1265 | { |
192b9cd1 |
1266 | dVAR; |
80305961 |
1267 | dXSARGS; |
192b9cd1 |
1268 | REGEXP * rx; |
1269 | U32 flags; |
48fc4736 |
1270 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1271 | |
1272 | if (items != 1) |
1273 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::CLEAR($flags)"); |
1274 | |
1275 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1276 | |
1277 | if (!rx) |
1278 | Perl_croak(aTHX_ PL_no_modify); |
1279 | |
80305961 |
1280 | SP -= items; |
80305961 |
1281 | |
192b9cd1 |
1282 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1283 | CALLREG_NAMED_BUFF_CLEAR(rx, flags); |
1284 | } |
1285 | |
1286 | XS(XS_Tie_Hash_NamedCapture_EXISTS) |
1287 | { |
1288 | dVAR; |
1289 | dXSARGS; |
1290 | REGEXP * rx; |
1291 | U32 flags; |
1292 | SV * ret; |
48fc4736 |
1293 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1294 | |
1295 | if (items != 2) |
1296 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::EXISTS($key, $flags)"); |
1297 | |
1298 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1299 | |
1300 | if (!rx) |
28d8d7f4 |
1301 | XSRETURN_UNDEF; |
192b9cd1 |
1302 | |
1303 | SP -= items; |
1304 | |
1305 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1306 | ret = CALLREG_NAMED_BUFF_EXISTS(rx, ST(1), flags); |
1307 | |
1308 | SPAGAIN; |
1309 | |
1310 | XPUSHs(ret); |
80305961 |
1311 | PUTBACK; |
1312 | return; |
80305961 |
1313 | } |
1314 | |
86aa3d53 |
1315 | XS(XS_Tie_Hash_NamedCapture_FIRSTK) |
192b9cd1 |
1316 | { |
1317 | dVAR; |
1318 | dXSARGS; |
1319 | REGEXP * rx; |
1320 | U32 flags; |
1321 | SV * ret; |
48fc4736 |
1322 | PERL_UNUSED_ARG(cv); |
80305961 |
1323 | |
192b9cd1 |
1324 | if (items != 1) |
1325 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::FIRSTKEY()"); |
1326 | |
1327 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1328 | |
1329 | if (!rx) |
1330 | XSRETURN_UNDEF; |
1331 | |
1332 | SP -= items; |
1333 | |
1334 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1335 | ret = CALLREG_NAMED_BUFF_FIRSTKEY(rx, flags); |
1336 | |
1337 | SPAGAIN; |
1338 | |
1339 | if (ret) { |
1340 | XPUSHs(SvREFCNT_inc(ret)); |
1341 | PUTBACK; |
1342 | } else { |
1343 | XSRETURN_UNDEF; |
1344 | } |
1345 | |
1346 | } |
1347 | |
86aa3d53 |
1348 | XS(XS_Tie_Hash_NamedCapture_NEXTK) |
80305961 |
1349 | { |
192b9cd1 |
1350 | dVAR; |
80305961 |
1351 | dXSARGS; |
192b9cd1 |
1352 | REGEXP * rx; |
1353 | U32 flags; |
1354 | SV * ret; |
48fc4736 |
1355 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1356 | |
1357 | if (items != 2) |
1358 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::NEXTKEY($lastkey)"); |
1359 | |
1360 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1361 | |
1362 | if (!rx) |
1363 | XSRETURN_UNDEF; |
80305961 |
1364 | |
80305961 |
1365 | SP -= items; |
192b9cd1 |
1366 | |
1367 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1368 | ret = CALLREG_NAMED_BUFF_NEXTKEY(rx, ST(1), flags); |
1369 | |
1370 | SPAGAIN; |
1371 | |
1372 | if (ret) { |
1373 | XPUSHs(ret); |
80305961 |
1374 | } else { |
1375 | XSRETURN_UNDEF; |
1376 | } |
1377 | PUTBACK; |
192b9cd1 |
1378 | } |
1379 | |
1380 | XS(XS_Tie_Hash_NamedCapture_SCALAR) |
1381 | { |
1382 | dVAR; |
1383 | dXSARGS; |
1384 | REGEXP * rx; |
1385 | U32 flags; |
1386 | SV * ret; |
48fc4736 |
1387 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1388 | |
1389 | if (items != 1) |
1390 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::SCALAR()"); |
1391 | |
1392 | rx = PL_curpm ? PM_GETRE(PL_curpm) : NULL; |
1393 | |
1394 | if (!rx) |
1395 | XSRETURN_UNDEF; |
1396 | |
1397 | SP -= items; |
1398 | |
1399 | flags = (U32)INT2PTR(IV,SvIV(SvRV((SV*)ST(0)))); |
1400 | ret = CALLREG_NAMED_BUFF_SCALAR(rx, flags); |
1401 | |
1402 | SPAGAIN; |
1403 | |
1404 | if (ret) { |
1405 | XPUSHs(ret); |
1406 | PUTBACK; |
1407 | return; |
1408 | } else { |
1409 | XSRETURN_UNDEF; |
1410 | } |
1411 | } |
1412 | |
1413 | XS(XS_Tie_Hash_NamedCapture_flags) |
1414 | { |
1415 | dVAR; |
1416 | dXSARGS; |
48fc4736 |
1417 | PERL_UNUSED_ARG(cv); |
192b9cd1 |
1418 | |
1419 | if (items != 0) |
1420 | Perl_croak(aTHX_ "Usage: Tie::Hash::NamedCapture::flags()"); |
1421 | |
f1b875a0 |
1422 | XPUSHs(sv_2mortal(newSVuv(RXapif_ONE))); |
1423 | XPUSHs(sv_2mortal(newSVuv(RXapif_ALL))); |
192b9cd1 |
1424 | PUTBACK; |
1425 | return; |
80305961 |
1426 | } |
1427 | |
1428 | |
241d1a3b |
1429 | /* |
1430 | * Local variables: |
1431 | * c-indentation-style: bsd |
1432 | * c-basic-offset: 4 |
1433 | * indent-tabs-mode: t |
1434 | * End: |
1435 | * |
37442d52 |
1436 | * ex: set ts=8 sts=4 sw=4 noet: |
1437 | */ |