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]);
54 my $linestr = Devel::Declare::get_linestr;
55 substr($linestr, $Offset, 0) = $_[0];
56 Devel::Declare::set_linestr($linestr);
60 my $linestr = Devel::Declare::get_linestr;
61 if (substr($linestr, $Offset, length($_[0])) eq $_[0]) {
62 substr($linestr, $Offset, length($_[0])) = '';
63 Devel::Declare::set_linestr($linestr);
71 local ($Declarator, $Offset) = @_;
74 my $name = strip_name;
75 skipspace if defined($name);
76 my $proto = strip_proto;
77 skipspace if defined($proto);
78 my $linestr = Devel::Declare::get_linestr;
79 if (substr($linestr, $Offset, 1) eq '{') {
80 my $inject = 'my ($self';
82 $inject .= ", $proto" if length($proto);
83 $inject .= ') = @_; ';
85 $inject .= ') = shift;';
88 $inject = ' BEGIN { MethodHandlers::inject_scope }; '.$inject;
90 substr($linestr, $Offset+1, 0) = $inject;
91 Devel::Declare::set_linestr($linestr);
94 $name = join('::', $pack, $name) unless ($name =~ /::/);
95 shadow(sub (&) { no strict 'refs'; *{$name} = shift; });
97 shadow(sub (&) { shift });
103 $^H{DD_METHODHANDLERS} = Scope::Guard->new(sub {
104 my $linestr = Devel::Declare::get_linestr;
105 my $offset = Devel::Declare::get_linestr_offset;
106 substr($linestr, $offset, 0) = ';';
107 Devel::Declare::set_linestr($linestr);
112 my ($test_method1, $test_method2, @test_list);
120 Devel::Declare->setup_for(
122 { method => { const => sub { MethodHandlers::parser(__PACKAGE__, @_) } } }
127 my $class = ref $self || $self;
128 return bless({ @_ }, $class);
132 return (ref $self).': Foo: '.$foo;
135 method upgrade(){ # no spaces to make case pathological
136 bless($self, 'DeclareTest2');
139 method DeclareTest2::bar () {
140 return 'DeclareTest2: bar';
143 $test_method1 = method {
144 return join(', ', $self->{attr}, $_[1]);
147 $test_method2 = method ($what) {
148 return join(', ', ref $self, $what);
151 method main () { return "main"; }
153 @test_list = (method { 1 }, sub { 2 }, method () { 3 }, sub { 4 });
157 use Test::More 'no_plan';
159 my $o = DeclareTest->new(attr => "value");
161 isa_ok($o, 'DeclareTest');
163 is($o->{attr}, 'value', '@_ args ok');
165 is($o->foo('yay'), 'DeclareTest: Foo: yay', 'method with argument ok');
167 is($o->main, 'main', 'declaration of package named method ok');
171 isa_ok($o, 'DeclareTest2');
173 is($o->bar, 'DeclareTest2: bar', 'absolute method declaration ok');
175 is($o->$test_method1('no', 'yes'), 'value, yes', 'anon method with @_ ok');
177 is($o->$test_method2('this'), 'DeclareTest2, this', 'anon method with proto ok');
179 is_deeply([ map { $_->() } @test_list ], [ 1, 2, 3, 4], 'binding ok');