4 mop_call_xs (pTHX_ XSPROTO(subaddr), CV *cv, SV **mark)
12 #if PERL_VERSION >= 10
14 mop_check_package_cache_flag (pTHX_ HV *stash)
16 assert(SvTYPE(stash) == SVt_PVHV);
18 /* here we're trying to implement a c version of mro::get_pkg_gen($stash),
19 * however the perl core doesn't make it easy for us. It doesn't provide an
20 * api that just does what we want.
22 * However, we know that the information we want is, inside the core,
23 * available using HvMROMETA(stash)->pkg_gen. Unfortunately, although the
24 * HvMROMETA macro is public, it is implemented using Perl_mro_meta_init,
25 * which is not public and only available inside the core, as the mro
26 * interface as well as the structure returned by mro_meta_init isn't
27 * considered to be stable yet.
29 * Perl_mro_meta_init isn't declared static, so we could just define it
30 * ourselfs if perls headers don't do that for us, except that won't work
31 * on platforms where symbols need to be explicitly exported when linking
34 * So our, hopefully temporary, solution is to be even more evil and
35 * basically reimplement HvMROMETA in a very fragile way that'll blow up
36 * when the relevant parts of the mro implementation in core change.
42 return HvAUX(stash)->xhv_mro_meta
43 ? HvAUX(stash)->xhv_mro_meta->pkg_gen
47 #else /* pre 5.10.0 */
50 mop_check_package_cache_flag (pTHX_ HV *stash)
52 PERL_UNUSED_ARG(stash);
53 assert(SvTYPE(stash) == SVt_PVHV);
55 return PL_sub_generation;
60 mop_call0 (pTHX_ SV *const self, SV *const method)
69 call_sv(method, G_SCALAR | G_METHOD);
79 mop_get_code_info (SV *coderef, char **pkg, char **name)
83 if (!SvOK(coderef) || !SvROK(coderef) || SvTYPE(SvRV(coderef)) != SVt_PVCV) {
87 coderef = SvRV(coderef);
89 /* sub is still being compiled */
94 /* I think this only gets triggered with a mangled coderef, but if
95 we hit it without the guard, we segfault. The slightly odd return
96 value strikes me as an improvement (mst)
99 if ( isGV_with_GP(CvGV(coderef)) ) {
101 *pkg = HvNAME( GvSTASH(gv) ? GvSTASH(gv) : CvSTASH(coderef) );
102 *name = GvNAME( CvGV(coderef) );
104 *pkg = "__UNKNOWN__";
112 mop_get_package_symbols (HV *stash, type_filter_t filter, get_package_symbols_cb_t cb, void *ud)
116 (void)hv_iterinit(stash);
118 if (filter == TYPE_FILTER_NONE) {
119 while ( (he = hv_iternext(stash)) ) {
121 const char *key = HePV(he, keylen);
122 if (!cb(key, keylen, HeVAL(he), ud)) {
129 while ( (he = hv_iternext(stash)) ) {
130 GV * const gv = (GV*)HeVAL(he);
132 const char * const key = HePV(he, keylen);
137 case TYPE_FILTER_CODE: sv = (SV *)GvCVu(gv); break;
138 case TYPE_FILTER_ARRAY: sv = (SV *)GvAV(gv); break;
139 case TYPE_FILTER_IO: sv = (SV *)GvIO(gv); break;
140 case TYPE_FILTER_HASH: sv = (SV *)GvHV(gv); break;
141 case TYPE_FILTER_SCALAR: sv = (SV *)GvSV(gv); break;
143 croak("Unknown type");
146 /* expand the gv into a real typeglob if it
147 * contains stub functions or constants and we
148 * were asked to return CODE references */
149 else if (filter == TYPE_FILTER_CODE) {
150 gv_init(gv, stash, key, keylen, GV_ADDMULTI);
155 if (!cb(key, keylen, sv, ud)) {
163 collect_all_symbols (const char *key, STRLEN keylen, SV *val, void *ud)
167 if (!hv_store (hash, key, keylen, newRV_inc(val), 0)) {
168 croak("failed to store symbol ref");
175 mop_get_all_package_symbols (HV *stash, type_filter_t filter)
178 mop_get_package_symbols (stash, filter, collect_all_symbols, ret);
182 #define DECLARE_KEY(name) { #name, #name, NULL, 0 }
183 #define DECLARE_KEY_WITH_VALUE(name, value) { #name, value, NULL, 0 }
185 /* the order of these has to match with those in mop.h */
191 } prehashed_keys[key_last] = {
193 DECLARE_KEY(package),
194 DECLARE_KEY(package_name),
196 DECLARE_KEY_WITH_VALUE(package_cache_flag, "_package_cache_flag"),
197 DECLARE_KEY(methods),
198 DECLARE_KEY(VERSION),
203 mop_prehashed_key_for (mop_prehashed_key_t key)
205 return prehashed_keys[key].key;
209 mop_prehashed_hash_for (mop_prehashed_key_t key)
211 return prehashed_keys[key].hash;
218 for (i = 0; i < key_last; i++) {
219 const char *value = prehashed_keys[i].value;
220 prehashed_keys[i].key = newSVpv(value, strlen(value));
221 PERL_HASH(prehashed_keys[i].hash, value, strlen(value));
225 XS(mop_xs_simple_reader)
233 mop_prehashed_key_t key = (mop_prehashed_key_t)CvXSUBANY(cv).any_i32;
237 croak("expected exactly one argument");
243 croak("can't call %s as a class method", prehashed_keys[key].name);
246 if (SvTYPE(SvRV(self)) != SVt_PVHV) {
247 croak("object is not a hashref");
250 if ((he = hv_fetch_ent((HV *)SvRV(self), prehashed_keys[key].key, 0, prehashed_keys[key].hash))) {
254 ST(0) = &PL_sv_undef;