use Carp 'confess';
use Scalar::Util 'blessed';
+use Sub::Name 'subname';
our $VERSION = '0.91';
$VERSION = eval $VERSION;
} => $class;
}
+
+sub method_metaclass { $_[0]->{'method_metaclass'} }
+sub wrapped_method_metaclass { $_[0]->{'wrapped_method_metaclass'} }
+
+sub _method_map { $_[0]->{'methods'} }
+
+
sub version {
my $self = shift;
${$self->get_package_symbol({ sigil => '$', type => 'SCALAR', name => 'VERSION' })};
return;
}
+## Methods
+
+sub wrap_method_body {
+ my ( $self, %args ) = @_;
+
+ ('CODE' eq ref $args{body})
+ || confess "Your code block must be a CODE reference";
+
+ $self->method_metaclass->wrap(
+ package_name => $self->name,
+ %args,
+ );
+}
+
+sub add_method {
+ my ($self, $method_name, $method) = @_;
+ (defined $method_name && $method_name)
+ || confess "You must define a method name";
+
+ my $body;
+ if (blessed($method)) {
+ $body = $method->body;
+ if ($method->package_name ne $self->name) {
+ $method = $method->clone(
+ package_name => $self->name,
+ name => $method_name,
+ ) if $method->can('clone');
+ }
+
+ $method->attach_to_class($self);
+ $self->_method_map->{$method_name} = $method;
+ }
+ else {
+ # If a raw code reference is supplied, its method object is not created.
+ # The method object won't be created until required.
+ $body = $method;
+ }
+
+
+ my ( $current_package, $current_name ) = Class::MOP::get_code_info($body);
+
+ if ( !defined $current_name || $current_name eq '__ANON__' ) {
+ my $full_method_name = ($self->name . '::' . $method_name);
+ subname($full_method_name => $body);
+ }
+
+ $self->add_package_symbol(
+ { sigil => '&', type => 'CODE', name => $method_name },
+ $body,
+ );
+}
+
+sub _code_is_mine {
+ my ( $self, $code ) = @_;
+
+ my ( $code_package, $code_name ) = Class::MOP::get_code_info($code);
+
+ return $code_package && $code_package eq $self->name
+ || ( $code_package eq 'constant' && $code_name eq '__ANON__' );
+}
+
+sub has_method {
+ my ($self, $method_name) = @_;
+ (defined $method_name && $method_name)
+ || confess "You must define a method name";
+
+ return defined($self->get_method($method_name));
+}
+
+sub get_method {
+ my ($self, $method_name) = @_;
+ (defined $method_name && $method_name)
+ || confess "You must define a method name";
+
+ my $method_map = $self->_method_map;
+ my $method_object = $method_map->{$method_name};
+ my $code = $self->get_package_symbol({
+ name => $method_name,
+ sigil => '&',
+ type => 'CODE',
+ });
+
+ unless ( $method_object && $method_object->body == ( $code || 0 ) ) {
+ if ( $code && $self->_code_is_mine($code) ) {
+ $method_object = $method_map->{$method_name}
+ = $self->wrap_method_body(
+ body => $code,
+ name => $method_name,
+ associated_metaclass => $self,
+ );
+ }
+ else {
+ delete $method_map->{$method_name};
+ return undef;
+ }
+ }
+
+ return $method_object;
+}
+
+sub remove_method {
+ my ($self, $method_name) = @_;
+ (defined $method_name && $method_name)
+ || confess "You must define a method name";
+
+ my $removed_method = delete $self->get_method_map->{$method_name};
+
+ $self->remove_package_symbol(
+ { sigil => '&', type => 'CODE', name => $method_name }
+ );
+
+ $removed_method->detach_from_class if $removed_method;
+
+ $self->update_package_cache_flag; # still valid, since we just removed the method from the map
+
+ return $removed_method;
+}
+
+sub get_method_list {
+ my $self = shift;
+ return grep { $self->has_method($_) } keys %{ $self->namespace };
+}
+
+
1;
__END__
use Scalar::Util 'blessed', 'reftype';
use Carp 'confess';
-use Sub::Name 'subname';
our $VERSION = '0.91';
$VERSION = eval $VERSION;
\%{$_[0]->{'package'} . '::'}
}
-sub method_metaclass { $_[0]->{'method_metaclass'} }
-sub wrapped_method_metaclass { $_[0]->{'wrapped_method_metaclass'} }
-
-sub _method_map { $_[0]->{'methods'} }
-
# utility methods
{
}
}
-## Methods
-
-sub wrap_method_body {
- my ( $self, %args ) = @_;
-
- ('CODE' eq ref $args{body})
- || confess "Your code block must be a CODE reference";
-
- $self->method_metaclass->wrap(
- package_name => $self->name,
- %args,
- );
-}
-
-sub add_method {
- my ($self, $method_name, $method) = @_;
- (defined $method_name && $method_name)
- || confess "You must define a method name";
-
- my $body;
- if (blessed($method)) {
- $body = $method->body;
- if ($method->package_name ne $self->name) {
- $method = $method->clone(
- package_name => $self->name,
- name => $method_name
- ) if $method->can('clone');
- }
-
- $method->attach_to_class($self);
- $self->_method_map->{$method_name} = $method;
- }
- else {
- # If a raw code reference is supplied, its method object is not created.
- # The method object won't be created until required.
- $body = $method;
- }
-
-
- my ( $current_package, $current_name ) = Class::MOP::get_code_info($body);
-
- if ( !defined $current_name || $current_name eq '__ANON__' ) {
- my $full_method_name = ($self->name . '::' . $method_name);
- subname($full_method_name => $body);
- }
-
- $self->add_package_symbol(
- { sigil => '&', type => 'CODE', name => $method_name },
- $body,
- );
-}
-
-sub _code_is_mine {
- my ( $self, $code ) = @_;
-
- my ( $code_package, $code_name ) = Class::MOP::get_code_info($code);
-
- return $code_package && $code_package eq $self->name
- || ( $code_package eq 'constant' && $code_name eq '__ANON__' );
-}
-
-sub has_method {
- my ($self, $method_name) = @_;
- (defined $method_name && $method_name)
- || confess "You must define a method name";
-
- return defined($self->get_method($method_name));
-}
-
-sub get_method {
- my ($self, $method_name) = @_;
- (defined $method_name && $method_name)
- || confess "You must define a method name";
-
- my $method_map = $self->_method_map;
- my $method_object = $method_map->{$method_name};
- my $code = $self->get_package_symbol({
- name => $method_name,
- sigil => '&',
- type => 'CODE',
- });
-
- unless ( $method_object && $method_object->body == ( $code || 0 ) ) {
- if ( $code && $self->_code_is_mine($code) ) {
- $method_object = $method_map->{$method_name}
- = $self->wrap_method_body(
- body => $code,
- name => $method_name,
- associated_metaclass => $self,
- );
- }
- else {
- delete $method_map->{$method_name};
- return undef;
- }
- }
-
- return $method_object;
-}
-
-sub remove_method {
- my ($self, $method_name) = @_;
- (defined $method_name && $method_name)
- || confess "You must define a method name";
-
- my $removed_method = delete $self->get_method_map->{$method_name};
-
- $self->remove_package_symbol(
- { sigil => '&', type => 'CODE', name => $method_name }
- );
-
- $removed_method->detach_from_class if $removed_method;
-
- $self->update_package_cache_flag; # still valid, since we just removed the method from the map
-
- return $removed_method;
-}
-
-sub get_method_list {
- my $self = shift;
- return grep { $self->has_method($_) } keys %{ $self->namespace };
-}
1;
add_package_symbol get_package_symbol has_package_symbol remove_package_symbol
list_all_package_symbols get_all_package_symbols remove_package_glob
- method_metaclass wrapped_method_metaclass
-
- _method_map
- _code_is_mine
- has_method get_method add_method remove_method wrap_method_body
- get_method_list get_method_map
-
_deconstruct_variable_name
);
_instantiate_module
version authority identifier create
+
+ method_metaclass wrapped_method_metaclass
+
+ _method_map
+ _code_is_mine
+ has_method get_method add_method remove_method wrap_method_body
+ get_method_list get_method_map
);
my @class_mop_class_methods = qw(
}
EXTERN_C XS(boot_Class__MOP__Package);
+EXTERN_C XS(boot_Class__MOP__Module);
EXTERN_C XS(boot_Class__MOP__Attribute);
EXTERN_C XS(boot_Class__MOP__Method);
mop_associated_metaclass = newSVpvs("associated_metaclass");
MOP_CALL_BOOT (boot_Class__MOP__Package);
+ MOP_CALL_BOOT (boot_Class__MOP__Module);
MOP_CALL_BOOT (boot_Class__MOP__Attribute);
MOP_CALL_BOOT (boot_Class__MOP__Method);
--- /dev/null
+#include "mop.h"
+
+static void
+mop_update_method_map(pTHX_ SV *const self, SV *const class_name, HV *const stash, HV *const map)
+{
+ const char *const class_name_pv = HvNAME(stash); /* must be HvNAME(stash), not SvPV_nolen_const(class_name) */
+ SV *method_metaclass_name;
+ char *method_name;
+ I32 method_name_len;
+ SV *coderef;
+ HV *symbols;
+ dSP;
+
+ symbols = mop_get_all_package_symbols(stash, TYPE_FILTER_CODE);
+ sv_2mortal((SV*)symbols);
+ (void)hv_iterinit(symbols);
+ while ( (coderef = hv_iternextsv(symbols, &method_name, &method_name_len)) ) {
+ CV *cv = (CV *)SvRV(coderef);
+ char *cvpkg_name;
+ char *cv_name;
+ SV *method_slot;
+ SV *method_object;
+
+ if (!mop_get_code_info(coderef, &cvpkg_name, &cv_name)) {
+ continue;
+ }
+
+ /* this checks to see that the subroutine is actually from our package */
+ if ( !(strEQ(cvpkg_name, "constant") && strEQ(cv_name, "__ANON__")) ) {
+ if ( strNE(cvpkg_name, class_name_pv) ) {
+ continue;
+ }
+ }
+
+ method_slot = *hv_fetch(map, method_name, method_name_len, TRUE);
+ if ( SvOK(method_slot) ) {
+ SV *const body = mop_call0(aTHX_ method_slot, KEY_FOR(body)); /* $method_object->body() */
+ if ( SvROK(body) && ((CV *) SvRV(body)) == cv ) {
+ continue;
+ }
+ }
+
+ method_metaclass_name = mop_call0(aTHX_ self, mop_method_metaclass); /* $self->method_metaclass() */
+
+ /*
+ $method_object = $method_metaclass->wrap(
+ $cv,
+ associated_metaclass => $self,
+ package_name => $class_name,
+ name => $method_name
+ );
+ */
+ ENTER;
+ SAVETMPS;
+
+ PUSHMARK(SP);
+ EXTEND(SP, 8);
+ PUSHs(method_metaclass_name); /* invocant */
+ mPUSHs(newRV_inc((SV *)cv));
+ PUSHs(mop_associated_metaclass);
+ PUSHs(self);
+ PUSHs(KEY_FOR(package_name));
+ PUSHs(class_name);
+ PUSHs(KEY_FOR(name));
+ mPUSHs(newSVpv(method_name, method_name_len));
+ PUTBACK;
+
+ call_sv(mop_wrap, G_SCALAR | G_METHOD);
+ SPAGAIN;
+ method_object = POPs;
+ PUTBACK;
+ /* $map->{$method_name} = $method_object */
+ sv_setsv(method_slot, method_object);
+
+ FREETMPS;
+ LEAVE;
+ }
+}
+
+MODULE = Class::MOP::Module PACKAGE = Class::MOP::Module
+
+PROTOTYPES: DISABLE
+
+void
+get_all_package_symbols(self, filter=TYPE_FILTER_NONE)
+ SV *self
+ type_filter_t filter
+ PREINIT:
+ HV *stash = NULL;
+ HV *symbols = NULL;
+ register HE *he;
+ PPCODE:
+ if ( ! SvROK(self) ) {
+ die("Cannot call get_all_package_symbols as a class method");
+ }
+
+ if (GIMME_V == G_VOID) {
+ XSRETURN_EMPTY;
+ }
+
+ PUTBACK;
+
+ if ( (he = hv_fetch_ent((HV *)SvRV(self), KEY_FOR(package), 0, HASH_FOR(package))) ) {
+ stash = gv_stashsv(HeVAL(he), 0);
+ }
+
+
+ if (!stash) {
+ XSRETURN_UNDEF;
+ }
+
+ symbols = mop_get_all_package_symbols(stash, filter);
+ PUSHs(sv_2mortal(newRV_noinc((SV *)symbols)));
+
+void
+get_method_map(self)
+ SV *self
+ PREINIT:
+ HV *const obj = (HV *)SvRV(self);
+ SV *const class_name = HeVAL( hv_fetch_ent(obj, KEY_FOR(package), 0, HASH_FOR(package)) );
+ HV *const stash = gv_stashsv(class_name, 0);
+ UV current;
+ SV *cache_flag;
+ SV *map_ref;
+ PPCODE:
+ if (!stash) {
+ mXPUSHs(newRV_noinc((SV *)newHV()));
+ return;
+ }
+
+ current = mop_check_package_cache_flag(aTHX_ stash);
+ cache_flag = HeVAL( hv_fetch_ent(obj, KEY_FOR(package_cache_flag), TRUE, HASH_FOR(package_cache_flag)));
+ map_ref = HeVAL( hv_fetch_ent(obj, KEY_FOR(methods), TRUE, HASH_FOR(methods)));
+
+ /* $self->{methods} does not yet exist (or got deleted) */
+ if ( !SvROK(map_ref) || SvTYPE(SvRV(map_ref)) != SVt_PVHV ) {
+ SV *new_map_ref = newRV_noinc((SV *)newHV());
+ sv_2mortal(new_map_ref);
+ sv_setsv(map_ref, new_map_ref);
+ }
+
+ if ( !SvOK(cache_flag) || SvUV(cache_flag) != current ) {
+ mop_update_method_map(aTHX_ self, class_name, stash, (HV *)SvRV(map_ref));
+ sv_setuv(cache_flag, mop_check_package_cache_flag(aTHX_ stash)); /* update_cache_flag() */
+ }
+
+ XPUSHs(map_ref);
#include "mop.h"
-static void
-mop_update_method_map(pTHX_ SV *const self, SV *const class_name, HV *const stash, HV *const map)
-{
- const char *const class_name_pv = HvNAME(stash); /* must be HvNAME(stash), not SvPV_nolen_const(class_name) */
- SV *method_metaclass_name;
- char *method_name;
- I32 method_name_len;
- SV *coderef;
- HV *symbols;
- dSP;
-
- symbols = mop_get_all_package_symbols(stash, TYPE_FILTER_CODE);
- sv_2mortal((SV*)symbols);
- (void)hv_iterinit(symbols);
- while ( (coderef = hv_iternextsv(symbols, &method_name, &method_name_len)) ) {
- CV *cv = (CV *)SvRV(coderef);
- char *cvpkg_name;
- char *cv_name;
- SV *method_slot;
- SV *method_object;
-
- if (!mop_get_code_info(coderef, &cvpkg_name, &cv_name)) {
- continue;
- }
-
- /* this checks to see that the subroutine is actually from our package */
- if ( !(strEQ(cvpkg_name, "constant") && strEQ(cv_name, "__ANON__")) ) {
- if ( strNE(cvpkg_name, class_name_pv) ) {
- continue;
- }
- }
-
- method_slot = *hv_fetch(map, method_name, method_name_len, TRUE);
- if ( SvOK(method_slot) ) {
- SV *const body = mop_call0(aTHX_ method_slot, KEY_FOR(body)); /* $method_object->body() */
- if ( SvROK(body) && ((CV *) SvRV(body)) == cv ) {
- continue;
- }
- }
-
- method_metaclass_name = mop_call0(aTHX_ self, mop_method_metaclass); /* $self->method_metaclass() */
-
- /*
- $method_object = $method_metaclass->wrap(
- $cv,
- associated_metaclass => $self,
- package_name => $class_name,
- name => $method_name
- );
- */
- ENTER;
- SAVETMPS;
-
- PUSHMARK(SP);
- EXTEND(SP, 8);
- PUSHs(method_metaclass_name); /* invocant */
- mPUSHs(newRV_inc((SV *)cv));
- PUSHs(mop_associated_metaclass);
- PUSHs(self);
- PUSHs(KEY_FOR(package_name));
- PUSHs(class_name);
- PUSHs(KEY_FOR(name));
- mPUSHs(newSVpv(method_name, method_name_len));
- PUTBACK;
-
- call_sv(mop_wrap, G_SCALAR | G_METHOD);
- SPAGAIN;
- method_object = POPs;
- PUTBACK;
- /* $map->{$method_name} = $method_object */
- sv_setsv(method_slot, method_object);
-
- FREETMPS;
- LEAVE;
- }
-}
-
MODULE = Class::MOP::Package PACKAGE = Class::MOP::Package
PROTOTYPES: DISABLE
-void
-get_all_package_symbols(self, filter=TYPE_FILTER_NONE)
- SV *self
- type_filter_t filter
- PREINIT:
- HV *stash = NULL;
- HV *symbols = NULL;
- register HE *he;
- PPCODE:
- if ( ! SvROK(self) ) {
- die("Cannot call get_all_package_symbols as a class method");
- }
-
- if (GIMME_V == G_VOID) {
- XSRETURN_EMPTY;
- }
-
- PUTBACK;
-
- if ( (he = hv_fetch_ent((HV *)SvRV(self), KEY_FOR(package), 0, HASH_FOR(package))) ) {
- stash = gv_stashsv(HeVAL(he), 0);
- }
-
-
- if (!stash) {
- XSRETURN_UNDEF;
- }
-
- symbols = mop_get_all_package_symbols(stash, filter);
- PUSHs(sv_2mortal(newRV_noinc((SV *)symbols)));
-
-void
-get_method_map(self)
- SV *self
- PREINIT:
- HV *const obj = (HV *)SvRV(self);
- SV *const class_name = HeVAL( hv_fetch_ent(obj, KEY_FOR(package), 0, HASH_FOR(package)) );
- HV *const stash = gv_stashsv(class_name, 0);
- UV current;
- SV *cache_flag;
- SV *map_ref;
- PPCODE:
- if (!stash) {
- mXPUSHs(newRV_noinc((SV *)newHV()));
- return;
- }
-
- current = mop_check_package_cache_flag(aTHX_ stash);
- cache_flag = HeVAL( hv_fetch_ent(obj, KEY_FOR(package_cache_flag), TRUE, HASH_FOR(package_cache_flag)));
- map_ref = HeVAL( hv_fetch_ent(obj, KEY_FOR(methods), TRUE, HASH_FOR(methods)));
-
- /* $self->{methods} does not yet exist (or got deleted) */
- if ( !SvROK(map_ref) || SvTYPE(SvRV(map_ref)) != SVt_PVHV ) {
- SV *new_map_ref = newRV_noinc((SV *)newHV());
- sv_2mortal(new_map_ref);
- sv_setsv(map_ref, new_map_ref);
- }
-
- if ( !SvOK(cache_flag) || SvUV(cache_flag) != current ) {
- mop_update_method_map(aTHX_ self, class_name, stash, (HV *)SvRV(map_ref));
- sv_setuv(cache_flag, mop_check_package_cache_flag(aTHX_ stash)); /* update_cache_flag() */
- }
-
- XPUSHs(map_ref);
-
BOOT:
INSTALL_SIMPLE_READER_WITH_KEY(Package, name, package);
projects / gitmo/Class-MOP.git / commitdiff