my $self = '$_[0]';
my $key = $attribute->inlined_name;
- my $accessor = "sub {\n";
+ my $accessor =
+ '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" .
+ "sub {\n";
if ($attribute->_is_metadata eq 'rw') {
- $accessor .= 'if (@_ >= 2) {' . "\n";
+ $accessor .=
+ '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" .
+ 'if (@_ >= 2) {' . "\n";
my $value = '$_[1]';
if ($constraint) {
$accessor .= 'my $val = ';
if ($should_coerce) {
- $accessor .= 'Mouse::Util::TypeConstraints->typecast_constraints("'.$attribute->associated_class->name.'", $attribute->{find_type_constraint}, $attribute->{type_constraint}, '.$value.');';
+ $accessor .=
+ "\n".
+ '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" .
+ 'Mouse::Util::TypeConstraints->typecast_constraints("'.$attribute->associated_class->name.'", $attribute->{find_type_constraint}, $attribute->{type_constraint}, '.$value.');';
} else {
$accessor .= $value.';';
}
- $accessor .= '
- unless ($constraint->($val)) {
+ $accessor .=
+ "\n".
+ '#line ' . __LINE__ . ' "' . __FILE__ . "\"\n" .
+ 'unless ($constraint->($val)) {
$attribute->verify_type_constraint_error($name, $val, $attribute->type_constraint);
}' . "\n";
$value = '$val';
return \%method_map;
}
-my $optimized_constraints;
-sub _build_type_constraint {
- my $spec = shift;
- $optimized_constraints ||= Mouse::Util::TypeConstraints->optimized_constraints;
- my $code;
- if ($spec =~ /^([^\[]+)\[(.+)\]$/) {
- # parameterized
- my $constraint = $1;
- my $param = $2;
- my $parent;
- if ($constraint eq 'Maybe') {
- $parent = _build_type_constraint('Undef');
- } else {
- $parent = _build_type_constraint($constraint);
- }
- my $child = _build_type_constraint($param);
- if ($constraint eq 'ArrayRef') {
- my $code_str =
- "sub {\n" .
- " if (\$parent->(\$_)) {\n" .
- " foreach my \$e (@\$_) {\n" .
- " local \$_ = \$e;\n" .
- " return () unless \$child->(\$_);\n" .
- " }\n" .
- " return 1;\n" .
- " }\n" .
- " return ();\n" .
- "};\n"
- ;
- $code = eval $code_str or Carp::confess($@);
- } elsif ($constraint eq 'HashRef') {
- my $code_str =
- "sub {\n" .
- " if (\$parent->(\$_)) {\n" .
- " foreach my \$e (values %\$_) {\n" .
- " local \$_ = \$e;\n" .
- " return () unless \$child->(\$_);\n" .
- " }\n" .
- " return 1;\n" .
- " }\n" .
- " return ();\n" .
- "};\n"
- ;
- $code = eval $code_str or Carp::confess($@);
- } elsif ($constraint eq 'Maybe') {
- my $code_str =
- "sub {\n" .
- " return \$child->(\$_) || \$parent->(\$_);\n" .
- "};\n"
- ;
- $code = eval $code_str or Carp::confess($@);
- } else {
- Carp::confess("Support for parameterized types other than ArrayRef or HashRef is not implemented yet");
- }
- $optimized_constraints->{$spec} = $code;
- } else {
- $code = $optimized_constraints->{ $spec };
- if (! $code) {
- $code = sub { Scalar::Util::blessed($_[0]) && $_[0]->isa($spec) };
- $optimized_constraints->{$spec} = $code;
- }
- }
- return $code;
-}
-
sub create {
my ($self, $class, $name, %args) = @_;
;
my $type_constraint = delete $args{isa};
- $type_constraint =~ s/\s//g;
- my @type_constraints = split /\|/, $type_constraint;
-
- my $code;
- if (@type_constraints == 1) {
- $code = _build_type_constraint($type_constraints[0]);
- $args{type_constraint} = $type_constraints[0];
- } else {
- my @code_list = map {
- _build_type_constraint($_)
- } @type_constraints;
- $code = sub {
- local $_ = $_[0];
- for my $code (@code_list) {
- return 1 if $code->($_);
- }
- return 0;
- };
- $args{type_constraint} = \@type_constraints;
- }
+ $type_constraint =~ s/\s+//g;
+ my $code = Mouse::Util::TypeConstraints::find_or_create_isa_type_constraint($type_constraint);
+ $args{type_constraint} = $type_constraint =~ /\|/ ?
+ [ split (/\|/, $type_constraint ) ] :
+ $type_constraint
+ ;
$args{find_type_constraint} = $code;
}
$_[0]
}
-my $optimized_constraints;
-my $optimized_constraints_base;
-{
+BEGIN {
no warnings 'uninitialized';
%TYPE = (
Any => sub { 1 },
if ($TYPE{$name} && $TYPE_SOURCE{$name} ne $pkg) {
Carp::croak "The type constraint '$name' has already been created in $TYPE_SOURCE{$name} and cannot be created again in $pkg";
};
- my $constraint = $conf{where} || do { $TYPE{delete $conf{as} || 'Any' } };
+ my $constraint = $conf{where} || do {
+ my $as = delete $conf{as} || 'Any';
+ if (! exists $TYPE{$as}) {
+ $TYPE{$as} = _build_type_constraint($as);
+ }
+ $TYPE{$as};
+ };
$TYPE_SOURCE{$name} = $pkg;
- $TYPE{$name} = sub { local $_=$_[0]; $constraint->($_) };
+ $TYPE{$name} = sub { local $_ = $_[0]; $constraint->($_[0]) };
}
sub subtype {
if ($TYPE{$name} && $TYPE_SOURCE{$name} ne $pkg) {
Carp::croak "The type constraint '$name' has already been created in $TYPE_SOURCE{$name} and cannot be created again in $pkg";
};
- my $constraint = $conf{where} || do {
- my $as = delete $conf{as} || 'Any';
- if (! exists $TYPE{$as}) { # Perhaps it's a parameterized source?
- Mouse::Meta::Attribute::_build_type_constraint($as);
- }
- $TYPE{$as};
- };
- my $as = $conf{as} || '';
+ my $constraint = $conf{where};
+ my $as_constraint = find_or_create_isa_type_constraint($conf{as} || 'Any');
$TYPE_SOURCE{$name} = $pkg;
+ $TYPE{$name} = $constraint ?
+ sub {
+ local $_ = $_[0];
+ $as_constraint->($_[0]) && $constraint->($_[0])
+ } :
+ sub {
+ local $_ = $_[0];
+ $as_constraint->($_[0]);
+ }
+ ;
- if ($as = $TYPE{$as}) {
- $TYPE{$name} = sub { local $_=$_[0]; $as->($_) && $constraint->($_) };
- } else {
- $TYPE{$name} = sub { local $_=$_[0]; $constraint->($_) };
- }
return $name;
}
if (! $TYPE{$type}) {
# looks parameterized
if ($type =~ /^[^\[]+\[.+\]$/) {
- Mouse::Meta::Attribute::_build_type_constraint($type);
+ _build_type_constraint($type);
} else {
Carp::croak "Could not find the type constraint ($type) to coerce from"
}
);
}
+sub _build_type_constraint {
+
+ my $spec = shift;
+ my $code;
+ if ($spec =~ /^([^\[]+)\[(.+)\]$/) {
+ # parameterized
+ my $constraint = $1;
+ my $param = $2;
+ my $parent;
+ if ($constraint eq 'Maybe') {
+ $parent = _build_type_constraint('Undef');
+ } else {
+ $parent = _build_type_constraint($constraint);
+ }
+ my $child = _build_type_constraint($param);
+ if ($constraint eq 'ArrayRef') {
+ my $code_str =
+ "#line " . __LINE__ . ' "' . __FILE__ . "\"\n" .
+ "sub {\n" .
+ " if (\$parent->(\$_[0])) {\n" .
+ " foreach my \$e (\@{\$_[0]}) {\n" .
+ " return () unless \$child->(\$e);\n" .
+ " }\n" .
+ " return 1;\n" .
+ " }\n" .
+ " return ();\n" .
+ "};\n"
+ ;
+ $code = eval $code_str or Carp::confess("Failed to generate inline type constraint: $@");
+ } elsif ($constraint eq 'HashRef') {
+ my $code_str =
+ "#line " . __LINE__ . ' "' . __FILE__ . "\"\n" .
+ "sub {\n" .
+ " if (\$parent->(\$_[0])) {\n" .
+ " foreach my \$e (values \%{\$_[0]}) {\n" .
+ " return () unless \$child->(\$e);\n" .
+ " }\n" .
+ " return 1;\n" .
+ " }\n" .
+ " return ();\n" .
+ "};\n"
+ ;
+ $code = eval $code_str or Carp::confess($@);
+ } elsif ($constraint eq 'Maybe') {
+ my $code_str =
+ "#line " . __LINE__ . ' "' . __FILE__ . "\"\n" .
+ "sub {\n" .
+ " return \$child->(\$_[0]) || \$parent->(\$_[0]);\n" .
+ "};\n"
+ ;
+ $code = eval $code_str or Carp::confess($@);
+ } else {
+ Carp::confess("Support for parameterized types other than ArrayRef or HashRef is not implemented yet");
+ }
+ $TYPE{$spec} = $code;
+ } else {
+ $code = $TYPE{ $spec };
+ if (! $code) {
+ my $code_str =
+ "#line " . __LINE__ . ' "' . __FILE__ . "\"\n" .
+ "sub {\n" .
+ " Scalar::Util::blessed(\$_[0]) && \$_[0]->isa('$spec');\n" .
+ "}"
+ ;
+ $code = eval $code_str or Carp::confess($@);
+ $TYPE{$spec} = $code;
+ }
+ }
+ return $code;
+}
+
+sub find_type_constraint {
+ my $type_constraint = shift;
+ return $TYPE{$type_constraint};
+}
+
+sub find_or_create_isa_type_constraint {
+ my $type_constraint = shift;
+
+ my $code;
+
+ $type_constraint =~ s/\s+//g;
+ my @type_constraints = split /\|/, $type_constraint;
+ if (@type_constraints == 1) {
+ $code = $TYPE{$type_constraints[0]} ||
+ _build_type_constraint($type_constraints[0]);
+ } else {
+ my @code_list = map {
+ $TYPE{$_} || _build_type_constraint($_)
+ } @type_constraints;
+ $code = sub {
+ my $i = 0;
+ for my $code (@code_list) {
+ return 1 if $code->($_[0]);
+ }
+ return 0;
+ };
+ }
+ return $code;
+}
+
1;
__END__
projects / gitmo/Mouse.git / commitdiff