#define NEED_newSVpvn_flags_GLOBAL
#include "mouse.h"
/* keywords for methods/keys */
SV* mouse_package;
SV* mouse_namespace;
SV* mouse_methods;
SV* mouse_name;
SV* mouse_get_attribute;
SV* mouse_get_attribute_list;
SV* mouse_coerce;
#define MOUSE_xc_flags(a) SvUVX(MOUSE_av_at((a), MOUSE_XC_FLAGS))
#define MOUSE_xc_gen(a) MOUSE_av_at((a), MOUSE_XC_GEN)
#define MOUSE_xc_stash(a) ( (HV*)MOUSE_av_at((a), MOUSE_XC_STASH) )
#define MOUSE_xc_attrall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_ATTRALL) )
#define MOUSE_xc_buildall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_BUILDALL) )
#define MOUSE_xc_demolishall(a) ( (AV*)MOUSE_av_at((a), MOUSE_XC_DEMOLISHALL) )
enum mouse_xc_flags_t {
MOUSEf_XC_IS_IMMUTABLE = 0x0001,
MOUSEf_XC_IS_ANON = 0x0002,
MOUSEf_XC_HAS_BUILDARGS = 0x0004,
MOUSEf_XC_CONSTRUCTOR_IS_STRICT
= 0x0008,
MOUSEf_XC_mask = 0xFFFF /* not used */
};
/* Mouse XS Metaclass object */
enum mouse_xc_ix_t{
MOUSE_XC_FLAGS,
MOUSE_XC_GEN, /* class generation */
MOUSE_XC_STASH, /* symbol table hash */
MOUSE_XC_ATTRALL, /* all the attributes */
MOUSE_XC_BUILDALL, /* all the BUILD methods */
MOUSE_XC_DEMOLISHALL, /* all the DEMOLISH methods */
MOUSE_XC_last
};
enum mouse_modifier_t {
MOUSE_M_BEFORE,
MOUSE_M_AROUND,
MOUSE_M_AFTER,
};
static MGVTBL mouse_xc_vtbl; /* for identity */
HV*
mouse_get_namespace(pTHX_ SV* const meta) {
SV* const package = get_slot(meta, mouse_package);
if(!(package && SvOK(package))){
croak("No package name defined for metaclass");
}
return gv_stashsv(package, GV_ADDMULTI);
}
static AV*
mouse_calculate_all_attributes(pTHX_ SV* const metaclass) {
SV* const avref = mcall0s(metaclass, "_calculate_all_attributes");
if(!(SvROK(avref) && SvTYPE(SvRV(avref)) == SVt_PVAV)) {
croak("$meta->_calculate_all_attributes did not return an ARRAY reference");
}
return (AV*)SvRV(avref);
}
XS(XS_Mouse__Object_BUILDARGS); /* prototype */
static int
mouse_class_has_custom_buildargs(pTHX_ HV* const stash) {
GV* const buildargs = gv_fetchmeth_autoload(stash, "BUILDARGS", sizeof("BUILDARGS")-1, 0);
return buildargs && CvXSUB(GvCV(buildargs)) != XS_Mouse__Object_BUILDARGS;
}
static AV*
mouse_class_update_xc(pTHX_ SV* const metaclass PERL_UNUSED_DECL, AV* const xc) {
HV* const stash = MOUSE_xc_stash(xc);
AV* const linearized_isa = mro_get_linear_isa(stash);
I32 const len = AvFILLp(linearized_isa) + 1;
I32 i;
U32 flags = 0x00;
AV* const buildall = newAV();
AV* const demolishall = newAV();
AV* attrall;
ENTER;
SAVETMPS;
/* old data will be delete at the end of the perl scope */
av_delete(xc, MOUSE_XC_DEMOLISHALL, 0x00);
av_delete(xc, MOUSE_XC_BUILDALL, 0x00);
av_delete(xc, MOUSE_XC_ATTRALL, 0x00);
SvREFCNT_inc_simple_void_NN(linearized_isa);
sv_2mortal((SV*)linearized_isa);
/* update */
av_store(xc, MOUSE_XC_BUILDALL, (SV*)buildall);
av_store(xc, MOUSE_XC_DEMOLISHALL, (SV*)demolishall);
attrall = mouse_calculate_all_attributes(aTHX_ metaclass);
SvREFCNT_inc_simple_void_NN(attrall);
av_store(xc, MOUSE_XC_ATTRALL, (SV*)attrall);
if(predicate_calls(metaclass, "is_immutable")){
flags |= MOUSEf_XC_IS_IMMUTABLE;
}
if(predicate_calls(metaclass, "is_anon_class")){
flags |= MOUSEf_XC_IS_ANON;
}
if(mouse_class_has_custom_buildargs(aTHX_ stash)){
flags |= MOUSEf_XC_HAS_BUILDARGS;
}
if(predicate_calls(metaclass, "strict_constructor")){
flags |= MOUSEf_XC_CONSTRUCTOR_IS_STRICT;
}
av_store(xc, MOUSE_XC_FLAGS, newSVuv(flags));
for(i = 0; i < len; i++){
SV* const klass = MOUSE_av_at(linearized_isa, i);
HV* const st = gv_stashsv(klass, TRUE);
GV* gv;
gv = stash_fetchs(st, "BUILD", FALSE);
if(gv && GvCVu(gv)){
av_unshift(buildall, 1);
av_store(buildall, 0, newRV_inc((SV*)GvCV(gv)));
}
gv = stash_fetchs(st, "DEMOLISH", FALSE);
if(gv && GvCVu(gv)){
av_push(demolishall, newRV_inc((SV*)GvCV(gv)));
}
}
FREETMPS;
LEAVE;
sv_setuv(MOUSE_xc_gen(xc), mro_get_pkg_gen(stash));
return xc;
}
static AV*
mouse_get_xc_wo_check(pTHX_ SV* const metaclass) {
AV* xc;
MAGIC* mg;
if(!IsObject(metaclass)){
croak("Not a Mouse metaclass");
}
mg = mouse_mg_find(aTHX_ SvRV(metaclass), &mouse_xc_vtbl, 0x00);
if(!mg){
/* cache stash for performance */
HV* const stash = mouse_get_namespace(aTHX_ metaclass);
xc = newAV();
mg = sv_magicext(SvRV(metaclass), (SV*)xc, PERL_MAGIC_ext,
&mouse_xc_vtbl, NULL, 0);
SvREFCNT_dec(xc); /* refcnt++ in sv_magicext */
av_extend(xc, MOUSE_XC_last - 1);
av_store(xc, MOUSE_XC_GEN, newSVuv(0U));
av_store(xc, MOUSE_XC_STASH, (SV*)stash);
SvREFCNT_inc_simple_void_NN(stash);
}
else{
xc = (AV*)MOUSE_mg_obj(mg);
assert(xc);
assert(SvTYPE(xc) == SVt_PVAV);
}
return xc;
}
static int
mouse_xc_is_fresh(pTHX_ AV* const xc) {
HV* const stash = MOUSE_xc_stash(xc);
SV* const gen = MOUSE_xc_gen(xc);
if(SvUVX(gen) != 0U && MOUSE_xc_flags(xc) & MOUSEf_XC_IS_IMMUTABLE) {
return TRUE;
}
return SvUVX(gen) == mro_get_pkg_gen(stash);
}
STATIC_INLINE AV*
mouse_get_xc(pTHX_ SV* const metaclass) {
AV* const xc = mouse_get_xc_wo_check(aTHX_ metaclass);
return mouse_xc_is_fresh(aTHX_ xc)
? xc
: mouse_class_update_xc(aTHX_ metaclass, xc);
}
static AV*
mouse_get_xc_if_fresh(pTHX_ SV* const metaclass) {
AV* const xc = mouse_get_xc_wo_check(aTHX_ metaclass);
return mouse_xc_is_fresh(aTHX_ xc)
? xc
: NULL;
}
static HV*
mouse_buildargs(pTHX_ SV* metaclass, SV* const klass, I32 ax, I32 items) {
HV* args;
/* shift @_ */
ax++;
items--;
if(items == 1){
SV* const args_ref = ST(0);
if(!IsHashRef(args_ref)){
if(!metaclass){ metaclass = get_metaclass(klass); }
mouse_throw_error(metaclass, NULL, "Single parameters to new() must be a HASH ref");
}
args = newHVhv((HV*)SvRV(args_ref));
sv_2mortal((SV*)args);
}
else{
I32 i;
if( (items % 2) != 0 ){
if(!metaclass){ metaclass = get_metaclass(klass); }
mouse_throw_error(metaclass, NULL, "Odd number of parameters to new()");
}
args = newHV_mortal();
for(i = 0; i < items; i += 2){
(void)hv_store_ent(args, ST(i), newSVsv(ST(i+1)), 0U);
}
}
return args;
}
static void
mouse_report_unknown_args(pTHX_ SV* const meta, AV* const attrs, HV* const args) {
HV* const attr_map = newHV_mortal();
SV* const unknown = newSVpvs_flags("", SVs_TEMP);
I32 const len = AvFILLp(attrs) + 1;
I32 i;
HE* he;
for(i = 0; i < len; i++){
SV* const attr = MOUSE_av_at(attrs, i);
AV* const xa = mouse_get_xa(aTHX_ attr);
SV* const init_arg = MOUSE_xa_init_arg(xa);
if(SvOK(init_arg)){
(void)hv_store_ent(attr_map, init_arg, &PL_sv_undef, 0U);
}
}
hv_iterinit(args);
while((he = hv_iternext(args))){
SV* const key = hv_iterkeysv(he);
if(!hv_exists_ent(attr_map, key, 0U)){
sv_catpvf(unknown, "%"SVf", ", key);
}
}
if(SvCUR(unknown) > 0){
SvCUR(unknown) -= 2; /* chop "," */
}
else{
sv_setpvs(unknown, "(unknown)");
}
mouse_throw_error(meta, NULL,
"Unknown attribute passed to the constructor of %"SVf": %"SVf,
mcall0(meta, mouse_name), unknown);
}
static void
mouse_class_initialize_object(pTHX_ SV* const meta, SV* const object, HV* const args, bool const is_cloning) {
AV* const xc = mouse_get_xc(aTHX_ meta);
AV* const attrs = MOUSE_xc_attrall(xc);
I32 const len = AvFILLp(attrs) + 1;
I32 i;
AV* triggers_queue = NULL;
I32 used = 0;
assert(meta || object);
assert(args);
assert(SvTYPE(args) == SVt_PVHV);
if(mg_find((SV*)args, PERL_MAGIC_tied)){
croak("You cannot use tied HASH reference as initializing arguments");
}
/* for each attribute */
for(i = 0; i < len; i++){
SV* const attr = MOUSE_av_at(attrs, i);
AV* const xa = mouse_get_xa(aTHX_ attr);
SV* const slot = MOUSE_xa_slot(xa);
U16 const flags = (U16)MOUSE_xa_flags(xa);
SV* const init_arg = MOUSE_xa_init_arg(xa);
HE* he;
if(SvOK(init_arg) && ( he = hv_fetch_ent(args, init_arg, FALSE, 0U) ) ){
SV* value = HeVAL(he);
if(flags & MOUSEf_ATTR_HAS_TC){
value = mouse_xa_apply_type_constraint(aTHX_ xa, value, flags);
}
value = set_slot(object, slot, value);
if(flags & MOUSEf_ATTR_IS_WEAK_REF){
weaken_slot(object, slot);
}
if(flags & MOUSEf_ATTR_HAS_TRIGGER){
AV* const pair = newAV();
av_push(pair, newSVsv( mcall0s(attr, "trigger") ));
av_push(pair, newSVsv(value));
if(!triggers_queue) {
triggers_queue = newAV_mortal();
}
av_push(triggers_queue, (SV*)pair);
}
used++;
}
else { /* no init arg */
if(flags & (MOUSEf_ATTR_HAS_DEFAULT | MOUSEf_ATTR_HAS_BUILDER)){
/* skip if the object has the slot (it occurs on cloning/reblessing) */
if(!(flags & MOUSEf_ATTR_IS_LAZY) && !has_slot(object, slot)){
mouse_xa_set_default(aTHX_ xa, object);
}
}
else if(is_cloning) {
if(flags & MOUSEf_ATTR_IS_WEAK_REF){
weaken_slot(object, slot);
}
}
/* don't check "required" while cloning (or reblesseing) */
else if(flags & MOUSEf_ATTR_IS_REQUIRED) {
mouse_throw_error(attr, NULL, "Attribute (%"SVf") is required", slot);
}
}
} /* for each attribute */
if(MOUSE_xc_flags(xc) & MOUSEf_XC_CONSTRUCTOR_IS_STRICT
&& used < (I32)HvUSEDKEYS(args)){
mouse_report_unknown_args(aTHX_ meta, attrs, args);
}
if(triggers_queue){
I32 const len = AvFILLp(triggers_queue) + 1;
for(i = 0; i < len; i++){
AV* const pair = (AV*)AvARRAY(triggers_queue)[i];
SV* const trigger = AvARRAY(pair)[0];
SV* const value = AvARRAY(pair)[1];
mcall1(object, trigger, value);
}
}
if(MOUSE_xc_flags(xc) & MOUSEf_XC_IS_ANON){
(void)set_slot(object, newSVpvs_flags("__METACLASS__", SVs_TEMP), meta);
}
}
STATIC_INLINE SV*
mouse_initialize_metaclass(pTHX_ SV* const klass) {
SV* const meta = get_metaclass(klass);
if(LIKELY(SvOK(meta))){
return meta;
}
return mcall1s(newSVpvs_flags("Mouse::Meta::Class", SVs_TEMP),
"initialize", klass);
}
static void
mouse_buildall(pTHX_ AV* const xc, SV* const object, SV* const args) {
AV* const buildall = MOUSE_xc_buildall(xc);
I32 const len = AvFILLp(buildall) + 1;
I32 i;
for(i = 0; i < len; i++){
dSP;
PUSHMARK(SP);
EXTEND(SP, 2);
PUSHs(object);
PUSHs(args);
PUTBACK;
call_sv_safe(AvARRAY(buildall)[i], G_VOID);
/* discard a scalar which G_VOID returns */
SPAGAIN;
(void)POPs;
PUTBACK;
}
}
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;
must_defined(name, "a method name");
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);
}
static
XSPROTO(XS_Mouse_value_holder) {
dVAR; dXSARGS;
SV* const value = (SV*)XSANY.any_ptr;
assert(value);
PERL_UNUSED_VAR(items);
ST(0) = value;
XSRETURN(1);
}
DECL_BOOT(Mouse__Util);
DECL_BOOT(Mouse__Util__TypeConstraints);
DECL_BOOT(Mouse__Meta__Method__Accessor__XS);
DECL_BOOT(Mouse__Meta__Attribute);
MODULE = Mouse PACKAGE = Mouse
PROTOTYPES: DISABLE
BOOT:
{
mouse_package = newSVpvs_share("package");
mouse_namespace = newSVpvs_share("namespace");
mouse_methods = newSVpvs_share("methods");
mouse_name = newSVpvs_share("name");
mouse_coerce = newSVpvs_share("coerce");
mouse_get_attribute = newSVpvs_share("get_attribute");
mouse_get_attribute_list = newSVpvs_share("get_attribute_list");
CALL_BOOT(Mouse__Util);
CALL_BOOT(Mouse__Util__TypeConstraints);
CALL_BOOT(Mouse__Meta__Method__Accessor__XS);
CALL_BOOT(Mouse__Meta__Attribute);
}
MODULE = Mouse PACKAGE = Mouse::Meta::Module
BOOT:
INSTALL_SIMPLE_READER_WITH_KEY(Module, name, package);
INSTALL_SIMPLE_READER_WITH_KEY(Module, _method_map, methods);
INSTALL_SIMPLE_READER_WITH_KEY(Module, _attribute_map, attributes);
HV*
namespace(SV* self)
CODE:
{
RETVAL = mouse_get_namespace(aTHX_ self);
}
OUTPUT:
RETVAL
# ignore extra arguments for extensibility
void
add_method(SV* self, SV* name, SV* code, ...)
CODE:
{
SV* const package = get_slot(self, mouse_package); /* $self->{package} */
SV* const methods = get_slot(self, mouse_methods); /* $self->{methods} */
GV* gv;
SV* code_ref;
if(!(package && SvOK(package))){
croak("No package name defined");
}
must_defined(name, "a method name");
must_ref (code, "a CODE reference", SVt_NULL); /* any reftype is OK */
code_ref = code;
if(SvTYPE(SvRV(code_ref)) != SVt_PVCV){
SV* sv = code_ref; /* used in tryAMAGICunDEREF */
SV** sp = &sv; /* used in tryAMAGICunDEREF */
tryAMAGICunDEREF(to_cv); /* try \&{$code} */
must_ref(code, "a CODE reference", SVt_PVCV);
code_ref = sv;
}
/* *{$package . '::' . $name} -> *gv */
gv = gv_fetchpv(form("%"SVf"::%"SVf, package, name), GV_ADDMULTI, SVt_PVCV);
mouse_install_sub(aTHX_ gv, code_ref);
/* CvMETHOD_on((CV*)SvRV(code_ref)); */
(void)set_slot(methods, name, code); /* $self->{methods}{$name} = $code */
}
MODULE = Mouse PACKAGE = Mouse::Meta::Class
BOOT:
{
CV* xsub;
INSTALL_SIMPLE_READER(Class, roles);
INSTALL_SIMPLE_PREDICATE_WITH_KEY(Class, is_anon_class, anon_serial_id);
INSTALL_SIMPLE_READER(Class, is_immutable);
INSTALL_INHERITABLE_CLASS_ACCESSOR(strict_constructor);
INSTALL_CLASS_HOLDER(Class, method_metaclass, "Mouse::Meta::Method");
INSTALL_CLASS_HOLDER(Class, attribute_metaclass, "Mouse::Meta::Attribute");
INSTALL_CLASS_HOLDER(Class, constructor_class, "Mouse::Meta::Method::Constructor::XS");
INSTALL_CLASS_HOLDER(Class, destructor_class, "Mouse::Meta::Method::Destructor::XS");
xsub = newXS("Mouse::Meta::Method::Constructor::XS::_generate_constructor",
XS_Mouse_value_holder, file);
CvXSUBANY(xsub).any_ptr
= newRV_inc((SV*)get_cvs("Mouse::Object::new", GV_ADD));
xsub = newXS("Mouse::Meta::Method::Destructor::XS::_generate_destructor",
XS_Mouse_value_holder, file);
CvXSUBANY(xsub).any_ptr
= newRV_inc((SV*)get_cvs("Mouse::Object::DESTROY", GV_ADD));
}
void
linearized_isa(SV* self)
PPCODE:
{
/* MOUSE_xc_stash() is not available because the xc system depends on
linearized_isa() */
HV* const stash = mouse_get_namespace(aTHX_ self);
AV* const linearized_isa = mro_get_linear_isa(stash);
I32 const len = AvFILLp(linearized_isa) + 1;
I32 i;
EXTEND(SP, len);
for(i = 0; i < len; i++){
PUSHs(AvARRAY(linearized_isa)[i]);
}
}
void
get_all_attributes(SV* self)
PPCODE:
{
AV* const xc = mouse_get_xc(aTHX_ self);
AV* const all_attrs = MOUSE_xc_attrall(xc);
I32 const len = AvFILLp(all_attrs) + 1;
I32 i;
EXTEND(SP, len);
for(i = 0; i < len; i++){
PUSHs( MOUSE_av_at(all_attrs, i) );
}
}
void
new_object(SV* meta, ...)
CODE:
{
AV* const xc = mouse_get_xc(aTHX_ meta);
HV* const args = mouse_buildargs(aTHX_ meta, NULL, ax, items);
SV* object;
object = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
mouse_class_initialize_object(aTHX_ meta, object, args, FALSE);
mouse_buildall(aTHX_ xc, object, sv_2mortal(newRV_inc((SV*)args)));
ST(0) = object; /* because object is mortal, we should return it as is */
XSRETURN(1);
}
void
clone_object(SV* meta, SV* object, ...)
CODE:
{
AV* const xc = mouse_get_xc(aTHX_ meta);
HV* const args = mouse_buildargs(aTHX_ meta, NULL, ax + 1, items - 1);
SV* proto;
if(!mouse_is_an_instance_of(aTHX_ MOUSE_xc_stash(xc), object)) {
mouse_throw_error(meta, object,
"You must pass an instance of the metaclass (%"SVf"), not (%"SVf")",
mcall0(meta, mouse_name), object);
}
proto = mouse_instance_clone(aTHX_ object);
mouse_class_initialize_object(aTHX_ meta, proto, args, TRUE);
ST(0) = proto; /* because object is mortal, we should return it as is */
XSRETURN(1);
}
void
_initialize_object(SV* meta, SV* object, HV* args, bool is_cloning = FALSE)
CODE:
{
mouse_class_initialize_object(aTHX_ meta, object, args, is_cloning);
}
void
_invalidate_metaclass_cache(SV* meta)
CODE:
{
AV* const xc = mouse_get_xc_if_fresh(aTHX_ meta);
if(xc) {
SV* const gen = MOUSE_xc_gen(xc);
sv_setuv(gen, 0U);
}
delete_slot(meta, newSVpvs_flags("_mouse_cache_", SVs_TEMP));
}
MODULE = Mouse PACKAGE = Mouse::Meta::Role
BOOT:
INSTALL_SIMPLE_READER_WITH_KEY(Role, get_roles, roles);
INSTALL_SIMPLE_PREDICATE_WITH_KEY(Role, is_anon_role, anon_serial_id);
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, (enum mouse_modifier_t)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,
(enum mouse_modifier_t)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);
}
}
void
add_metaclass_accessor(SV* self, SV* name)
CODE:
{
SV* const klass = mcall0(self, mouse_name);
const char* fq_name = form("%"SVf"::%"SVf, klass, name);
STRLEN keylen;
const char* const key = SvPV_const(name, keylen);
mouse_simple_accessor_generate(aTHX_ fq_name, key, keylen,
XS_Mouse_inheritable_class_accessor, NULL, 0);
}
MODULE = Mouse PACKAGE = Mouse::Object
void
new(SV* klass, ...)
CODE:
{
SV* const meta = mouse_initialize_metaclass(aTHX_ klass);
AV* const xc = mouse_get_xc(aTHX_ meta);
UV const flags = MOUSE_xc_flags(xc);
SV* args;
SV* object;
/* BUILDARGS */
if(flags & MOUSEf_XC_HAS_BUILDARGS){
I32 i;
SPAGAIN;
PUSHMARK(SP);
EXTEND(SP, items);
for(i = 0; i < items; i++){
PUSHs(ST(i));
}
PUTBACK;
call_method_safes("BUILDARGS", G_SCALAR);
SPAGAIN;
args = POPs;
PUTBACK;
if(!IsHashRef(args)){
croak("BUILDARGS did not return a HASH reference");
}
}
else{
args = newRV_inc((SV*)mouse_buildargs(aTHX_ meta, klass, ax, items));
sv_2mortal(args);
}
/* new_object */
object = mouse_instance_create(aTHX_ MOUSE_xc_stash(xc));
mouse_class_initialize_object(aTHX_ meta, object, (HV*)SvRV(args), FALSE);
/* BUILDALL */
mouse_buildall(aTHX_ xc, object, args);
ST(0) = object; /* because object is mortal, we should return it as is */
XSRETURN(1);
}
void
DESTROY(SV* object)
ALIAS:
DESTROY = 0
DEMOLISHALL = 1
CODE:
{
SV* const meta = get_metaclass(object);
AV* xc;
AV* demolishall;
I32 len;
I32 i;
if(!IsObject(object)){
croak("You must not call %s as a class method",
ix == 0 ? "DESTROY" : "DEMOLISHALL");
}
if(SvOK(meta) && (xc = mouse_get_xc_if_fresh(aTHX_ meta))) {
demolishall = MOUSE_xc_demolishall(xc);
}
else { /* The metaclass is already destroyed */
AV* const linearized_isa = mro_get_linear_isa(SvSTASH(SvRV(object)));
len = AvFILLp(linearized_isa) + 1;
demolishall = newAV_mortal();
for(i = 0; i < len; i++){
SV* const klass = MOUSE_av_at(linearized_isa, i);
HV* const st = gv_stashsv(klass, TRUE);
GV* const gv = stash_fetchs(st, "DEMOLISH", FALSE);
if(gv && GvCVu(gv)){
av_push(demolishall, newRV_inc((SV*)GvCV(gv)));
}
}
}
len = AvFILLp(demolishall) + 1;
if(len > 0){
SV* const in_global_destruction = boolSV(PL_dirty);
SAVEI32(PL_statusvalue); /* local $? */
PL_statusvalue = 0;
SAVEGENERICSV(ERRSV); /* local $@ */
ERRSV = newSV(0);
EXTEND(SP, 2);
for(i = 0; i < len; i++){
SPAGAIN;
PUSHMARK(SP);
PUSHs(object);
PUSHs(in_global_destruction);
PUTBACK;
call_sv(AvARRAY(demolishall)[i], G_VOID | G_EVAL);
/* discard a scalar which G_VOID returns */
SPAGAIN;
(void)POPs;
PUTBACK;
if(sv_true(ERRSV)){
SV* const e = sv_mortalcopy(ERRSV);
LEAVE;
sv_setsv(ERRSV, e);
croak(NULL); /* rethrow */
}
}
}
}
HV*
BUILDARGS(SV* klass, ...)
CODE:
{
RETVAL = mouse_buildargs(aTHX_ NULL, klass, ax, items);
}
OUTPUT:
RETVAL
void
BUILDALL(SV* self, SV* args)
CODE:
{
SV* const meta = get_metaclass(self);
AV* const xc = mouse_get_xc(aTHX_ meta);
must_ref(args, "a HASH reference to BUILDALL", SVt_PVHV);
mouse_buildall(aTHX_ xc, self, args);
}