unless defined $USE_XS;
BEGIN {
- package __CAG_ENV__;
+ package # hide from PAUSE
+ __CAG_ENV__;
die "Huh?! No minimum C::XSA version?!\n"
unless $__minimum_xsa_version;
# %$*@!?&!&#*$!!!
sub _mk_group_accessors {
my($self, $maker, $group, @fields) = @_;
- my $class = Scalar::Util::blessed $self || $self;
+ my $class = length (ref ($self) ) ? ref ($self) : $self;
no strict 'refs';
no warnings 'redefine';
$maker = $self->can($maker) unless ref $maker;
for (@fields) {
- if( $_ eq 'DESTROY' ) {
- Carp::carp("Having a data accessor named DESTROY in '$class' is unwise.");
- }
my ($name, $field) = (ref $_) ? (@$_) : ($_, $_);
+ Carp::croak("Illegal accessor name '$name'")
+ unless $name =~ /\A[A-Z_a-z][0-9A-Z_a-z]*\z/;
+
+ Carp::carp("Having a data accessor named '$name' in '$class' is unwise.")
+ if $name =~ /\A(?: DESTROY | AUTOLOAD | CLONE )\z/x;
+
my $alias = "_${name}_accessor";
- for my $meth ($name, $alias) {
+ for ($name, $alias) {
# the maker may elect to not return anything, meaning it already
# installed the coderef for us (e.g. lack of Sub::Name)
- my $cref = $self->$maker($group, $field, $meth)
+ my $cref = $self->$maker($group, $field, $_)
or next;
- my $fq_meth = "${class}::${meth}";
+ my $fq_meth = "${class}::$_";
*$fq_meth = Sub::Name::subname($fq_meth, $cref);
#unless defined &{$class."\:\:$field"}
my($self, $group, @fields) = @_;
$self->_mk_group_accessors('make_group_ro_accessor', $group, @fields);
+ return;
}
=head2 mk_group_wo_accessors
my($self, $group, @fields) = @_;
$self->_mk_group_accessors('make_group_wo_accessor', $group, @fields);
+ return;
}
=head2 get_simple
=cut
sub get_simple {
- return $_[0]->{$_[1]};
+ $_[0]->{$_[1]};
}
=head2 set_simple
=cut
sub set_simple {
- return $_[0]->{$_[1]} = $_[2];
+ $_[0]->{$_[1]} = $_[2];
}
=cut
sub get_inherited {
- my $class;
-
- if ( defined( $class = Scalar::Util::blessed $_[0] ) ) {
+ if ( length (ref ($_[0]) ) ) {
if (Scalar::Util::reftype $_[0] eq 'HASH') {
return $_[0]->{$_[1]} if exists $_[0]->{$_[1]};
+ # everything in @_ is aliased, an assignment won't work
+ splice @_, 0, 1, ref($_[0]);
}
else {
Carp::croak('Cannot get inherited value on an object instance that is not hash-based');
}
}
- else {
- $class = $_[0];
- }
+ # if we got this far there is nothing in the instance
+ # OR this is a class call
+ # in any case $_[0] contains the class name (see splice above)
no strict 'refs';
no warnings 'uninitialized';
my $cag_slot = '::__cag_'. $_[1];
- return ${$class.$cag_slot} if defined(${$class.$cag_slot});
-
- # we need to be smarter about recalculation, as @ISA (thus supers) can very well change in-flight
- my $cur_gen = mro::get_pkg_gen ($class);
- if ( $cur_gen != ${$class.'::__cag_pkg_gen__'} ) {
- @{$class.'::__cag_supers__'} = $_[0]->get_super_paths;
- ${$class.'::__cag_pkg_gen__'} = $cur_gen;
- }
+ return ${$_[0].$cag_slot} if defined(${$_[0].$cag_slot});
- for (@{$class.'::__cag_supers__'}) {
- return ${$_.$cag_slot} if defined(${$_.$cag_slot});
- };
+ do { return ${$_.$cag_slot} if defined(${$_.$cag_slot}) }
+ for $_[0]->get_super_paths;
return undef;
}
=cut
sub set_inherited {
- if (defined Scalar::Util::blessed $_[0]) {
+ if (length (ref ($_[0]) ) ) {
if (Scalar::Util::reftype $_[0] eq 'HASH') {
return $_[0]->{$_[1]} = $_[2];
} else {
Carp::croak('Cannot set inherited value on an object instance that is not hash-based');
};
- } else {
- no strict 'refs';
+ }
- return ${$_[0].'::__cag_'.$_[1]} = $_[2];
- };
+ no strict 'refs';
+ ${$_[0].'::__cag_'.$_[1]} = $_[2];
}
=head2 get_component_class
=cut
sub get_component_class {
- return $_[0]->get_inherited($_[1]);
+ $_[0]->get_inherited($_[1]);
};
=head2 set_component_class
}
};
- return $_[0]->set_inherited($_[1], $_[2]);
+ $_[0]->set_inherited($_[1], $_[2]);
};
=head1 INTERNAL METHODS
=cut
sub get_super_paths {
- return @{mro::get_linear_isa( ref($_[0]) || $_[0] )};
+ # get_linear_isa returns the class itself as the 1st element
+ # use @_ as a pre-allocated scratch array
+ (undef, @_) = @{mro::get_linear_isa( length( ref($_[0]) ) ? ref($_[0]) : $_[0] )};
+ @_;
};
=head2 make_group_accessor
$xsa_autodetected++;
}
+my $perlstring;
+if ($] < '5.008') {
+ require Data::Dumper;
+ my $d = Data::Dumper->new([])->Indent(0)->Purity(0)->Pad('')->Useqq(1)->Terse(1)->Freezer('')->Toaster('');
+ $perlstring = sub { $d->Values([shift])->Dump };
+}
+else {
+ require B;
+ $perlstring = \&B::perlstring;
+}
+
+
my $maker_templates = {
rw => {
xs_call => 'accessors',
pp_code => sub {
- my $set = "set_$_[0]";
- my $get = "get_$_[0]";
- my $field = $_[1];
- $field =~ s/'/\\'/g;
-
- "
- \@_ != 1
- ? shift->$set('$field', \@_)
- : shift->$get('$field')
- "
+ # my ($group, $fieldname) = @_;
+ my $quoted_fieldname = $perlstring->($_[1]);
+ sprintf <<'EOS', ($_[0], $quoted_fieldname) x 2;
+
+@_ > 1
+ ? shift->set_%s(%s, @_)
+ : shift->get_%s(%s)
+EOS
+
},
},
ro => {
xs_call => 'getters',
pp_code => sub {
- my $get = "get_$_[0]";
- my $field = $_[1];
- $field =~ s/'/\\'/g;
-
- "
- \@_ == 1
- ? shift->$get('$field')
- : do {
- my \$caller = caller;
- my \$class = ref \$_[0] || \$_[0];
- Carp::croak(\"'\$caller' cannot alter the value of '$field' \".
- \"(read-only attributes of class '\$class')\");
- }
- "
+ # my ($group, $fieldname) = @_;
+ my $quoted_fieldname = $perlstring->($_[1]);
+ sprintf <<'EOS', $_[0], $quoted_fieldname;
+
+@_ > 1
+ ? do {
+ my ($meth) = (caller(0))[3] =~ /([^\:]+)$/;
+ my $class = length( ref($_[0]) ) ? ref($_[0]) : $_[0];
+ Carp::croak(
+ "'$meth' cannot alter its value (read-only attribute of class $class)"
+ );
+ }
+ : shift->get_%s(%s)
+EOS
+
},
},
wo => {
xs_call => 'setters',
pp_code => sub {
- my $set = "set_$_[0]";
- my $field = $_[1];
- $field =~ s/'/\\'/g;
-
- "
- \@_ != 1
- ? shift->$set('$field', \@_)
- : do {
- my \$caller = caller;
- my \$class = ref \$_[0] || \$_[0];
- Carp::croak(\"'\$caller' cannot access the value of '$field' \".
- \"(write-only attributes of class '\$class')\");
- }
- "
+ # my ($group, $fieldname) = @_;
+ my $quoted_fieldname = $perlstring->($_[1]);
+ sprintf <<'EOS', $_[0], $quoted_fieldname;
+
+@_ > 1
+ ? shift->set_%s(%s, @_)
+ : do {
+ my ($meth) = (caller(0))[3] =~ /([^\:]+)$/;
+ my $class = length( ref($_[0]) ) ? ref($_[0]) : $_[0];
+ Carp::croak(
+ "'$meth' cannot access its value (write-only attribute of class $class)"
+ );
+ }
+EOS
+
},
},
};
# Note!!! Unusual signature
$gen_accessor = sub {
my ($type, $class, $group, $field, $methname) = @_;
- if (my $c = Scalar::Util::blessed( $class )) {
- $class = $c;
- }
+ $class = ref $class if length ref $class;
# When installing an XSA simple accessor, we need to make sure we are not
# short-circuiting a (compile or runtime) get_simple/set_simple override.
my ($expected_cref, $cached_implementation);
my $ret = $expected_cref = sub {
- my $current_class = Scalar::Util::blessed( $_[0] ) || $_[0];
+ my $current_class = length (ref ($_[0] ) ) ? ref ($_[0]) : $_[0];
# $cached_implementation will be set only if the shim got
# 'around'ed, in which case it is handy to avoid re-running