4 package MethodHandlers;
9 our ($Declarator, $Offset);
12 $Offset += Devel::Declare::toke_move_past_token($Offset);
16 $Offset += Devel::Declare::toke_skipspace($Offset);
21 if (my $len = Devel::Declare::toke_scan_word($Offset, 1)) {
22 my $linestr = Devel::Declare::get_linestr();
23 my $name = substr($linestr, $Offset, $len);
24 substr($linestr, $Offset, $len) = '';
25 Devel::Declare::set_linestr($linestr);
34 my $linestr = Devel::Declare::get_linestr();
35 if (substr($linestr, $Offset, 1) eq '(') {
36 my $length = Devel::Declare::toke_scan_str($Offset);
37 my $proto = Devel::Declare::get_lex_stuff();
38 Devel::Declare::clear_lex_stuff();
39 $linestr = Devel::Declare::get_linestr();
40 substr($linestr, $Offset, $length) = '';
41 Devel::Declare::set_linestr($linestr);
48 my $pack = Devel::Declare::get_curstash_name;
49 Devel::Declare::shadow_sub("${pack}::${Declarator}", $_[0]);
52 # undef -> my ($self) = shift;
53 # '' -> my ($self) = @_;
54 # '$foo' -> my ($self, $foo) = @_;
56 sub make_proto_unwrap {
58 my $inject = 'my ($self';
60 $inject .= ", $proto" if length($proto);
61 $inject .= ') = @_; ';
63 $inject .= ') = shift;';
71 my $linestr = Devel::Declare::get_linestr;
72 if (substr($linestr, $Offset, 1) eq '{') {
73 substr($linestr, $Offset+1, 0) = $inject;
74 Devel::Declare::set_linestr($linestr);
79 local ($Declarator, $Offset) = @_;
81 my $name = strip_name;
82 my $proto = strip_proto;
84 make_proto_unwrap($proto)
87 $name = join('::', Devel::Declare::get_curstash_name(), $name)
88 unless ($name =~ /::/);
89 shadow(sub (&) { no strict 'refs'; *{$name} = shift; });
91 shadow(sub (&) { shift });
97 $^H{DD_METHODHANDLERS} = Scope::Guard->new(sub {
98 my $linestr = Devel::Declare::get_linestr;
99 my $offset = Devel::Declare::get_linestr_offset;
100 substr($linestr, $offset, 0) = ';';
101 Devel::Declare::set_linestr($linestr);
106 my ($test_method1, $test_method2, @test_list);
114 Devel::Declare->setup_for(
116 { method => { const => \&MethodHandlers::parser } }
121 my $class = ref $self || $self;
122 return bless({ @_ }, $class);
128 return (ref $self).': Foo: '.$foo;
131 method upgrade(){ # no spaces to make case pathological
132 bless($self, 'DeclareTest2');
135 method DeclareTest2::bar () {
136 return 'DeclareTest2: bar';
139 $test_method1 = method {
140 return join(', ', $self->{attr}, $_[1]);
143 $test_method2 = method ($what) {
144 return join(', ', ref $self, $what);
147 method main () { return "main"; };
149 @test_list = (method { 1 }, sub { 2 }, method () { 3 }, sub { 4 });
153 use Test::More 'no_plan';
155 my $o = DeclareTest->new(attr => "value");
157 isa_ok($o, 'DeclareTest');
159 is($o->{attr}, 'value', '@_ args ok');
161 is($o->foo('yay'), 'DeclareTest: Foo: yay', 'method with argument ok');
163 is($o->main, 'main', 'declaration of package named method ok');
167 isa_ok($o, 'DeclareTest2');
169 is($o->bar, 'DeclareTest2: bar', 'absolute method declaration ok');
171 is($o->$test_method1('no', 'yes'), 'value, yes', 'anon method with @_ ok');
173 is($o->$test_method2('this'), 'DeclareTest2, this', 'anon method with proto ok');
175 is_deeply([ map { $_->() } @test_list ], [ 1, 2, 3, 4], 'binding ok');