X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=xs-src%2FMouse.xs;h=f435464cc6f0e86274861e54b3765ef92b1f4d42;hp=143228a794e24cfa541d03e04407e867f22bbe56;hb=d67f600df9deb0deb95616f617c1aca3fd78a2e3;hpb=70425827d676b2b4130f5e78689bf017fe4c4609 diff --git a/xs-src/Mouse.xs b/xs-src/Mouse.xs index 143228a..f435464 100644 --- a/xs-src/Mouse.xs +++ b/xs-src/Mouse.xs @@ -41,6 +41,12 @@ enum mouse_xc_ix_t{ MOUSE_XC_last }; +enum mouse_modifier_t { + MOUSE_M_BEFORE, + MOUSE_M_AROUND, + MOUSE_M_AFTER, +}; + static MGVTBL mouse_xc_vtbl; /* for identity */ static void @@ -411,6 +417,47 @@ mouse_buildall(pTHX_ AV* const xc, SV* const object, SV* const args) { } } +static AV* +mouse_get_modifier_storage(pTHX_ + SV* const meta, + enum mouse_modifier_t const m, SV* const name) { + static const char* const keys[] = { + "before", + "around", + "after", + }; + SV* const key = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_method_modifiers", keys[m])); + SV* table; + SV* storage_ref; + + SvGETMAGIC(name); + if(!SvOK(name)){ + mouse_throw_error(meta, NULL, "You must define a method name for '%s' modifiers", keys[m]); + } + + table = get_slot(meta, key); + + if(!table){ + /* $meta->{$key} = {} */ + table = sv_2mortal(newRV_noinc((SV*)newHV())); + set_slot(meta, key, table); + } + + storage_ref = get_slot(table, name); + + if(!storage_ref){ + storage_ref = sv_2mortal(newRV_noinc((SV*)newAV())); + set_slot(table, name, storage_ref); + } + else{ + if(!IsArrayRef(storage_ref)){ + croak("Modifier strorage for '%s' is not an ARRAY reference", keys[m]); + } + } + + return (AV*)SvRV(storage_ref); +} + MODULE = Mouse PACKAGE = Mouse PROTOTYPES: DISABLE @@ -488,42 +535,8 @@ CODE: /* *{$package . '::' . $name} -> *gv */ gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV); - if(GvCVu(gv)){ /* delete *slot{gv} to work around "redefine" warning */ - SvREFCNT_dec(GvCV(gv)); - GvCV(gv) = NULL; - } - sv_setsv_mg((SV*)gv, code_ref); /* *gv = $code_ref */ - + mouse_install_sub(aTHX_ gv, code_ref); (void)set_slot(methods, name, code); /* $self->{methods}{$name} = $code */ - - /* name the CODE ref if it's anonymous */ - { - CV* const code_entity = (CV*)SvRV(code_ref); - if(CvANON(code_entity) - && CvGV(code_entity) /* a cv under construction has no gv */ ){ - HV* dbsub; - - /* update %DB::sub to make NYTProf happy */ - if((PL_perldb & (PERLDBf_SUBLINE|PERLDB_NAMEANON)) - && PL_DBsub && (dbsub = GvHV(PL_DBsub)) - ){ - /* see Perl_newATTRSUB() in op.c */ - SV* const subname = sv_newmortal(); - HE* orig; - - gv_efullname3(subname, CvGV(code_entity), NULL); - orig = hv_fetch_ent(dbsub, subname, FALSE, 0U); - if(orig){ - gv_efullname3(subname, gv, NULL); - (void)hv_store_ent(dbsub, subname, HeVAL(orig), 0U); - SvREFCNT_inc_simple_void_NN(HeVAL(orig)); - } - } - - CvGV(code_entity) = gv; - CvANON_off(code_entity); - } - } } MODULE = Mouse PACKAGE = Mouse::Meta::Class @@ -607,6 +620,39 @@ BOOT: INSTALL_CLASS_HOLDER(Role, method_metaclass, "Mouse::Meta::Role::Method"); +void +add_before_modifier(SV* self, SV* name, SV* modifier) +CODE: +{ + av_push(mouse_get_modifier_storage(aTHX_ self, ix, name), newSVsv(modifier)); +} +ALIAS: + add_before_method_modifier = MOUSE_M_BEFORE + add_around_method_modifier = MOUSE_M_AROUND + add_after_method_modifier = MOUSE_M_AFTER + +void +get_before_modifiers(SV* self, SV* name) +ALIAS: + get_before_method_modifiers = MOUSE_M_BEFORE + get_around_method_modifiers = MOUSE_M_AROUND + get_after_method_modifiers = MOUSE_M_AFTER +PPCODE: +{ + AV* const storage = mouse_get_modifier_storage(aTHX_ self, ix, name); + I32 const len = av_len(storage) + 1; + if(GIMME_V == G_ARRAY) { + I32 i; + EXTEND(SP, len); + for(i = 0; i < len; i++){ + PUSHs(*av_fetch(storage, i, TRUE)); + } + } + else{ + mPUSHi(len); + } +} + MODULE = Mouse PACKAGE = Mouse::Object SV*