5 package MethodHandlers;
10 our ($Declarator, $Offset);
13 $Offset += Devel::Declare::toke_move_past_token($Offset);
17 $Offset += Devel::Declare::toke_skipspace($Offset);
22 if (my $len = Devel::Declare::toke_scan_word($Offset, 1)) {
23 my $linestr = Devel::Declare::get_linestr();
24 my $name = substr($linestr, $Offset, $len);
25 substr($linestr, $Offset, $len) = '';
26 Devel::Declare::set_linestr($linestr);
35 my $linestr = Devel::Declare::get_linestr();
36 if (substr($linestr, $Offset, 1) eq '(') {
37 my $length = Devel::Declare::toke_scan_str($Offset);
38 my $proto = Devel::Declare::get_lex_stuff();
39 Devel::Declare::clear_lex_stuff();
40 $linestr = Devel::Declare::get_linestr();
41 substr($linestr, $Offset, $length) = '';
42 Devel::Declare::set_linestr($linestr);
49 my $pack = Devel::Declare::get_curstash_name;
50 Devel::Declare::shadow_sub("${pack}::${Declarator}", $_[0]);
53 # undef -> my ($self) = shift;
54 # '' -> my ($self) = @_;
55 # '$foo' -> my ($self, $foo) = @_;
57 sub make_proto_unwrap {
59 my $inject = 'my ($self';
61 $inject .= ", $proto" if length($proto);
62 $inject .= ') = @_; ';
64 $inject .= ') = shift;';
72 my $linestr = Devel::Declare::get_linestr;
73 if (substr($linestr, $Offset, 1) eq '{') {
74 substr($linestr, $Offset+1, 0) = $inject;
75 Devel::Declare::set_linestr($linestr);
79 sub scope_injector_call {
80 return ' BEGIN { MethodHandlers::inject_scope }; ';
84 local ($Declarator, $Offset) = @_;
86 my $name = strip_name;
87 my $proto = strip_proto;
88 my $inject = make_proto_unwrap($proto);
90 $inject = scope_injector_call().$inject;
92 inject_if_block($inject);
94 $name = join('::', Devel::Declare::get_curstash_name(), $name)
95 unless ($name =~ /::/);
96 shadow(sub (&) { no strict 'refs'; *{$name} = shift; });
98 shadow(sub (&) { shift });
104 $^H{DD_METHODHANDLERS} = Scope::Guard->new(sub {
105 my $linestr = Devel::Declare::get_linestr;
106 my $offset = Devel::Declare::get_linestr_offset;
107 substr($linestr, $offset, 0) = ';';
108 Devel::Declare::set_linestr($linestr);
113 my ($test_method1, $test_method2, @test_list);
121 Devel::Declare->setup_for(
123 { method => { const => \&MethodHandlers::parser } }
128 my $class = ref $self || $self;
129 return bless({ @_ }, $class);
133 return (ref $self).': Foo: '.$foo;
136 method upgrade(){ # no spaces to make case pathological
137 bless($self, 'DeclareTest2');
140 method DeclareTest2::bar () {
141 return 'DeclareTest2: bar';
144 $test_method1 = method {
145 return join(', ', $self->{attr}, $_[1]);
148 $test_method2 = method ($what) {
149 return join(', ', ref $self, $what);
152 method main () { return "main"; }
154 @test_list = (method { 1 }, sub { 2 }, method () { 3 }, sub { 4 });
158 use Test::More 'no_plan';
160 my $o = DeclareTest->new(attr => "value");
162 isa_ok($o, 'DeclareTest');
164 is($o->{attr}, 'value', '@_ args ok');
166 is($o->foo('yay'), 'DeclareTest: Foo: yay', 'method with argument ok');
168 is($o->main, 'main', 'declaration of package named method ok');
172 isa_ok($o, 'DeclareTest2');
174 is($o->bar, 'DeclareTest2: bar', 'absolute method declaration ok');
176 is($o->$test_method1('no', 'yes'), 'value, yes', 'anon method with @_ ok');
178 is($o->$test_method2('this'), 'DeclareTest2, this', 'anon method with proto ok');
180 is_deeply([ map { $_->() } @test_list ], [ 1, 2, 3, 4], 'binding ok');