move get_method_map into Package
[gitmo/Class-MOP.git] / xs / MOP.xs
1 #include "mop.h"
2
3 SV *mop_method_metaclass;
4 SV *mop_associated_metaclass;
5 SV *mop_wrap;
6
7 static bool
8 find_method (const char *key, STRLEN keylen, SV *val, void *ud)
9 {
10     bool *found_method = (bool *)ud;
11     PERL_UNUSED_ARG(key);
12     PERL_UNUSED_ARG(keylen);
13     PERL_UNUSED_ARG(val);
14     *found_method = TRUE;
15     return FALSE;
16 }
17
18 EXTERN_C XS(boot_Class__MOP__Package);
19 EXTERN_C XS(boot_Class__MOP__Attribute);
20 EXTERN_C XS(boot_Class__MOP__Method);
21
22 MODULE = Class::MOP   PACKAGE = Class::MOP
23
24 PROTOTYPES: DISABLE
25
26 BOOT:
27     mop_prehash_keys();
28
29     mop_method_metaclass     = newSVpvs("method_metaclass");
30     mop_wrap                 = newSVpvs("wrap");
31     mop_associated_metaclass = newSVpvs("associated_metaclass");
32
33     MOP_CALL_BOOT (boot_Class__MOP__Package);
34     MOP_CALL_BOOT (boot_Class__MOP__Attribute);
35     MOP_CALL_BOOT (boot_Class__MOP__Method);
36
37 # use prototype here to be compatible with get_code_info from Sub::Identify
38 void
39 get_code_info(coderef)
40     SV *coderef
41     PROTOTYPE: $
42     PREINIT:
43         char *pkg  = NULL;
44         char *name = NULL;
45     PPCODE:
46         if (mop_get_code_info(coderef, &pkg, &name)) {
47             EXTEND(SP, 2);
48             mPUSHs(newSVpv(pkg, 0));
49             mPUSHs(newSVpv(name, 0));
50         }
51
52 # This is some pretty grotty logic. It _should_ be parallel to the
53 # pure Perl version in lib/Class/MOP.pm, so if you want to understand
54 # it we suggest you start there.
55 void
56 is_class_loaded(klass=&PL_sv_undef)
57     SV *klass
58     PREINIT:
59         HV *stash;
60         bool found_method = FALSE;
61     PPCODE:
62         if (!SvPOK(klass) || !SvCUR(klass)) {
63             XSRETURN_NO;
64         }
65
66         stash = gv_stashsv(klass, 0);
67         if (!stash) {
68             XSRETURN_NO;
69         }
70
71         if (hv_exists_ent (stash, KEY_FOR(VERSION), HASH_FOR(VERSION))) {
72             HE *version = hv_fetch_ent(stash, KEY_FOR(VERSION), 0, HASH_FOR(VERSION));
73             SV *version_sv;
74             if (version && HeVAL(version) && (version_sv = GvSV(HeVAL(version)))) {
75                 if (SvROK(version_sv)) {
76                     SV *version_sv_ref = SvRV(version_sv);
77
78                     if (SvOK(version_sv_ref)) {
79                         XSRETURN_YES;
80                     }
81                 }
82                 else if (SvOK(version_sv)) {
83                     XSRETURN_YES;
84                 }
85             }
86         }
87
88         if (hv_exists_ent (stash, KEY_FOR(ISA), HASH_FOR(ISA))) {
89             HE *isa = hv_fetch_ent(stash, KEY_FOR(ISA), 0, HASH_FOR(ISA));
90             if (isa && HeVAL(isa) && GvAV(HeVAL(isa)) && av_len(GvAV(HeVAL(isa))) != -1) {
91                 XSRETURN_YES;
92             }
93         }
94
95         mop_get_package_symbols(stash, TYPE_FILTER_CODE, find_method, &found_method);
96         if (found_method) {
97             XSRETURN_YES;
98         }
99
100         XSRETURN_NO;