Commit | Line | Data |
df6dd016 |
1 | #include "mouse.h" |
2 | |
cccb83de |
3 | #define ISA_CACHE "::LINEALIZED_ISA_CACHE::" |
4 | |
5 | #ifndef no_mro_get_linear_isa |
6 | AV* |
7 | mouse_mro_get_linear_isa(pTHX_ HV* const stash){ |
8 | GV* const cachegv = *(GV**)hv_fetchs(stash, ISA_CACHE, TRUE); |
9 | AV* isa; |
10 | SV* gen; |
11 | CV* get_linear_isa; |
12 | |
13 | if(!isGV(cachegv)) |
14 | gv_init(cachegv, stash, ISA_CACHE, sizeof(ISA_CACHE)-1, TRUE); |
15 | |
16 | isa = GvAVn(cachegv); |
17 | gen = GvSVn(cachegv); |
18 | |
19 | |
20 | if(SvIOK(gen) && SvIVX(gen) == (IV)mro_get_pkg_gen(stash)){ |
21 | return isa; /* returns the cache if available */ |
22 | } |
23 | else{ |
24 | SvREADONLY_off(isa); |
25 | av_clear(isa); |
26 | } |
27 | |
28 | get_linear_isa = get_cv("Mouse::Util::get_linear_isa", TRUE); |
29 | |
30 | { |
31 | SV* avref; |
32 | dSP; |
33 | |
34 | ENTER; |
35 | SAVETMPS; |
36 | |
37 | PUSHMARK(SP); |
38 | mXPUSHp(HvNAME_get(stash), HvNAMELEN_get(stash)); |
39 | PUTBACK; |
40 | |
41 | call_sv((SV*)get_linear_isa, G_SCALAR); |
42 | |
43 | SPAGAIN; |
44 | avref = POPs; |
45 | PUTBACK; |
46 | |
47 | if(SvROK(avref) && SvTYPE(SvRV(avref)) == SVt_PVAV){ |
48 | AV* const av = (AV*)SvRV(avref); |
49 | I32 const len = AvFILLp(av) + 1; |
50 | I32 i; |
51 | |
52 | for(i = 0; i < len; i++){ |
53 | HV* const stash = gv_stashsv(AvARRAY(av)[i], FALSE); |
54 | if(stash) |
55 | av_push(isa, newSVpv(HvNAME(stash), 0)); |
56 | } |
57 | SvREADONLY_on(isa); |
58 | } |
59 | else{ |
60 | Perl_croak(aTHX_ "Mouse:Util::get_linear_isa() didn't return an ARRAY reference"); |
61 | } |
62 | |
63 | FREETMPS; |
64 | LEAVE; |
65 | } |
66 | |
67 | sv_setiv(gen, (IV)mro_get_pkg_gen(stash)); |
68 | return GvAV(cachegv); |
69 | } |
70 | #endif /* !no_mor_get_linear_isa */ |
71 | |
72 | |
df6dd016 |
73 | /* equivalent to "blessed($x) && $x->isa($klass)" */ |
74 | bool |
75 | mouse_is_instance_of(pTHX_ SV* const sv, SV* const klass){ |
76 | assert(sv); |
77 | assert(klass); |
78 | |
79 | if(IsObject(sv) && SvOK(klass)){ |
80 | bool ok; |
81 | |
82 | ENTER; |
83 | SAVETMPS; |
84 | |
85 | ok = SvTRUEx(mcall1s(sv, "isa", klass)); |
86 | |
87 | FREETMPS; |
88 | LEAVE; |
89 | |
90 | return ok; |
91 | } |
92 | |
93 | return FALSE; |
94 | } |
95 | |
96 | |
97 | bool |
98 | mouse_is_class_loaded(pTHX_ SV * const klass){ |
99 | HV *stash; |
100 | GV** gvp; |
101 | HE* he; |
102 | |
103 | if (!(SvPOKp(klass) && SvCUR(klass))) { /* XXX: SvPOK does not work with magical scalars */ |
104 | return FALSE; |
105 | } |
106 | |
107 | stash = gv_stashsv(klass, FALSE); |
108 | if (!stash) { |
109 | return FALSE; |
110 | } |
111 | |
112 | if (( gvp = (GV**)hv_fetchs(stash, "VERSION", FALSE) )) { |
113 | if(isGV(*gvp) && GvSV(*gvp) && SvOK(GvSV(*gvp))){ |
114 | return TRUE; |
115 | } |
116 | } |
117 | |
118 | if (( gvp = (GV**)hv_fetchs(stash, "ISA", FALSE) )) { |
119 | if(isGV(*gvp) && GvAV(*gvp) && av_len(GvAV(*gvp)) != -1){ |
120 | return TRUE; |
121 | } |
122 | } |
123 | |
124 | hv_iterinit(stash); |
125 | while(( he = hv_iternext(stash) )){ |
126 | GV* const gv = (GV*)HeVAL(he); |
127 | |
128 | if(isGV(gv)){ |
129 | if(GvCVu(gv)){ |
130 | return TRUE; |
131 | } |
132 | } |
133 | else if(SvOK(gv)){ |
134 | return TRUE; |
135 | } |
136 | } |
137 | return FALSE; |
138 | } |
139 | |
140 | |
141 | SV * |
142 | mouse_call0 (pTHX_ SV *const self, SV *const method) |
143 | { |
144 | dSP; |
145 | SV *ret; |
146 | |
147 | PUSHMARK(SP); |
148 | XPUSHs(self); |
149 | PUTBACK; |
150 | |
151 | call_sv(method, G_SCALAR | G_METHOD); |
152 | |
153 | SPAGAIN; |
154 | ret = POPs; |
155 | PUTBACK; |
156 | |
157 | return ret; |
158 | } |
159 | |
160 | SV * |
161 | mouse_call1 (pTHX_ SV *const self, SV *const method, SV* const arg1) |
162 | { |
163 | dSP; |
164 | SV *ret; |
165 | |
166 | PUSHMARK(SP); |
167 | EXTEND(SP, 2); |
168 | PUSHs(self); |
169 | PUSHs(arg1); |
170 | PUTBACK; |
171 | |
172 | call_sv(method, G_SCALAR | G_METHOD); |
173 | |
174 | SPAGAIN; |
175 | ret = POPs; |
176 | PUTBACK; |
177 | |
178 | return ret; |
179 | } |
180 | |
43165725 |
181 | MAGIC* |
182 | mouse_mg_find(pTHX_ SV* const sv, const MGVTBL* const vtbl, I32 const flags){ |
183 | MAGIC* mg; |
184 | |
185 | assert(sv != NULL); |
186 | for(mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic){ |
187 | if(mg->mg_virtual == vtbl){ |
188 | return mg; |
189 | } |
190 | } |
191 | |
192 | if(flags & MOUSEf_DIE_ON_FAIL){ |
193 | croak("mouse_mg_find: no MAGIC found for %"SVf, sv_2mortal(newRV_inc(sv))); |
194 | } |
195 | return NULL; |
196 | } |