use base qw(Moo::Object);
use Sub::Quote;
use B 'perlstring';
+use Scalar::Util 'blessed';
+use overload ();
BEGIN {
our $CAN_HAZ_XS =
!$ENV{MOO_XS_DISABLE}
sub generate_method {
my ($self, $into, $name, $spec, $quote_opts) = @_;
+ $name =~ s/^\+//;
die "Must have an is" unless my $is = $spec->{is};
if ($is eq 'ro') {
$spec->{reader} = $name unless exists $spec->{reader};
} elsif ($is eq 'rw') {
$spec->{accessor} = $name unless exists $spec->{accessor};
} elsif ($is eq 'lazy') {
- $spec->{init_arg} = undef unless exists $spec->{init_arg};
$spec->{reader} = $name unless exists $spec->{reader};
$spec->{lazy} = 1;
$spec->{builder} ||= '_build_'.$name unless $spec->{default};
+ } elsif ($is eq 'rwp') {
+ $spec->{reader} = $name unless exists $spec->{reader};
+ $spec->{writer} = "_set_${name}" unless exists $spec->{writer};
} elsif ($is ne 'bare') {
die "Unknown is ${is}";
}
+ $spec->{builder} = '_build_'.$name if ($spec->{builder}||0) eq 1;
+ if (($spec->{predicate}||0) eq 1) {
+ $spec->{predicate} = $name =~ /^_/ ? "_has${name}" : "has_${name}";
+ }
+ if (($spec->{clearer}||0) eq 1) {
+ $spec->{clearer} = $name =~ /^_/ ? "_clear${name}" : "clear_${name}";
+ }
+ if (($spec->{trigger}||0) eq 1) {
+ $spec->{trigger} = quote_sub('shift->_trigger_'.$name.'(@_)');
+ }
+
+ for my $setting (qw( default coerce )) {
+ next if !exists $spec->{$setting};
+ my $value = $spec->{$setting};
+ my $invalid = "Invalid $setting '" . overload::StrVal($value)
+ . "' for $into->$name - not a coderef";
+ die "$invalid or code-convertible object"
+ unless ref $value and (ref $value eq 'CODE' or blessed($value));
+ die "$invalid and could not be converted to a coderef: $@"
+ if !eval { \&$value };
+ }
+
my %methods;
if (my $reader = $spec->{reader}) {
if (our $CAN_HAZ_XS && $self->is_simple_get($name, $spec)) {
$methods{$reader} = $self->_generate_xs(
- getters => $into, $reader, $name
+ getters => $into, $reader, $name, $spec
);
} else {
$self->{captures} = {};
&& $self->is_simple_set($name, $spec)
) {
$methods{$accessor} = $self->_generate_xs(
- accessors => $into, $accessor, $name
+ accessors => $into, $accessor, $name, $spec
);
} else {
$self->{captures} = {};
&& $self->is_simple_set($name, $spec)
) {
$methods{$writer} = $self->_generate_xs(
- setters => $into, $writer, $name
+ setters => $into, $writer, $name, $spec
);
} else {
$self->{captures} = {};
if (my $pred = $spec->{predicate}) {
$methods{$pred} =
quote_sub "${into}::${pred}" =>
- ' '.$self->_generate_simple_has('$_[0]', $name)."\n"
+ ' '.$self->_generate_simple_has('$_[0]', $name, $spec)."\n"
;
}
if (my $cl = $spec->{clearer}) {
$methods{$cl} =
quote_sub "${into}::${cl}" =>
- " delete \$_[0]->{${\perlstring $name}}\n"
+ $self->_generate_simple_clear('$_[0]', $name, $spec)."\n"
;
}
if (my $hspec = $spec->{handles}) {
sub _generate_get {
my ($self, $name, $spec) = @_;
- my $simple = $self->_generate_simple_get('$_[0]', $name);
+ my $simple = $self->_generate_simple_get('$_[0]', $name, $spec);
if ($self->is_simple_get($name, $spec)) {
$simple;
} else {
'do { '.$self->_generate_use_default(
'$_[0]', $name, $spec,
- $self->_generate_simple_has('$_[0]', $name),
- ).'; '.$simple.' }';
+ $self->_generate_simple_has('$_[0]', $name, $spec),
+ ).'; '
+ .($spec->{isa}
+ ?($self->_generate_isa_check($name, $simple, $spec->{isa}).'; ')
+ :''
+ )
+ .$simple.' }';
}
}
"exists ${me}->{${\perlstring $name}}";
}
+sub _generate_simple_clear {
+ my ($self, $me, $name) = @_;
+ " delete ${me}->{${\perlstring $name}}\n"
+}
+
sub generate_get_default {
my $self = shift;
$self->{captures} = {};
sub _generate_use_default {
my ($self, $me, $name, $spec, $test) = @_;
+ my $get_value = $self->_generate_get_default($me, $name, $spec);
+ if ($spec->{coerce}) {
+ $get_value = $self->_generate_coerce(
+ $name, $get_value,
+ $spec->{coerce}
+ )
+ }
$self->_generate_simple_set(
- $me, $name, $spec, $self->_generate_get_default($me, $name, $spec)
+ $me, $name, $spec, $get_value
).' unless '.$test;
}
if ($coerce) {
$code .=
" \$value = "
- .$self->_generate_coerce($name, '$self', '$value', $coerce).";\n";
+ .$self->_generate_coerce($name, '$value', $coerce).";\n";
}
if ($isa_check) {
$code .=
}
sub _generate_coerce {
- my ($self, $name, $obj, $value, $coerce) = @_;
+ my ($self, $name, $value, $coerce) = @_;
$self->_generate_call_code($name, 'coerce', "${value}", $coerce);
}
.$get_default
."\n${get_indent})"
: $get_default;
- if ( $spec->{coerce} ) {
- $get_value = $self->_generate_coerce(
- $name, $me, $get_value,
- $spec->{coerce}
- )
+ if ($spec->{coerce}) {
+ $get_value = $self->_generate_coerce(
+ $name, $get_value,
+ $spec->{coerce}
+ )
}
($spec->{isa}
? " {\n my \$value = ".$get_value.";\n "
.($spec->{trigger}
? ' '
.$self->_generate_trigger(
- $name, $me, $self->_generate_simple_get($me, $name),
+ $name, $me, $self->_generate_simple_get($me, $name, $spec),
$spec->{trigger}
)." if ${test};\n"
: ''
.($spec->{coerce}
? " $source = "
.$self->_generate_coerce(
- $name, $me, $source,
+ $name, $source,
$spec->{coerce}
).";\n"
: ""
.($spec->{trigger}
? " "
.$self->_generate_trigger(
- $name, $me, $self->_generate_simple_get($me, $name),
+ $name, $me, $self->_generate_simple_get($me, $name, $spec),
$spec->{trigger}
).";\n"
: ""
}
}
-sub generate_multi_set {
- my ($self, $me, $to_set, $from) = @_;
- "\@{${me}}{qw(${\join ' ', @$to_set})} = $from";
+sub _generate_core_set {
+ my ($self, $me, $name, $spec, $value) = @_;
+ my $name_str = perlstring $name;
+ "${me}->{${name_str}} = ${value}";
}
sub _generate_simple_set {
my ($self, $me, $name, $spec, $value) = @_;
my $name_str = perlstring $name;
- my $simple = "${me}->{${name_str}} = ${value}";
if ($spec->{weak_ref}) {
+ $value = '$preserve = '.$value;
+ my $simple = $self->_generate_core_set($me, $name, $spec, $value);
require Scalar::Util;
# Perl < 5.8.3 can't weaken refs to readonly vars
#
# but requires XS and is just too damn crazy
# so simply throw a better exception
- Moo::_Utils::lt_5_8_3() ? <<"EOC" : "Scalar::Util::weaken(${simple})";
+ my $weak_simple = "my \$preserve; Scalar::Util::weaken(${simple})";
+ Moo::_Utils::lt_5_8_3() ? <<"EOC" : $weak_simple;
+ my \$preserve;
eval { Scalar::Util::weaken($simple); 1 } or do {
if( \$@ =~ /Modification of a read-only value attempted/) {
require Carp;
};
EOC
} else {
- $simple;
+ $self->_generate_core_set($me, $name, $spec, $value);
}
}
my ($self, $type, $into, $name, $slot) = @_;
Class::XSAccessor->import(
class => $into,
- $type => { $name => $slot }
+ $type => { $name => $slot },
+ replace => 1,
);
$into->can($name);
}
+sub default_construction_string { '{}' }
+
1;
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