Commit | Line | Data |
51a3b106 |
1 | package Method::Generate::Accessor; |
2 | |
3 | use strictures 1; |
4 | use Class::Tiny::_Utils; |
5 | use base qw(Class::Tiny::Object); |
6 | use Sub::Quote; |
7 | use B 'perlstring'; |
8 | |
316917c9 |
9 | sub generate_method { |
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10 | my ($self, $into, $name, $spec, $quote_opts) = @_; |
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11 | die "Must have an is" unless my $is = $spec->{is}; |
a16d301e |
12 | local $self->{captures} = {}; |
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13 | my $body = do { |
14 | if ($is eq 'ro') { |
a16d301e |
15 | $self->_generate_get($name) |
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16 | } elsif ($is eq 'rw') { |
a16d301e |
17 | $self->_generate_getset($name, $spec) |
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18 | } else { |
19 | die "Unknown is ${is}"; |
20 | } |
21 | }; |
6f68f022 |
22 | quote_sub |
23 | "${into}::${name}" => ' '.$body."\n", |
a16d301e |
24 | $self->{captures}, $quote_opts||{} |
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25 | ; |
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26 | } |
27 | |
28 | sub _generate_get { |
a16d301e |
29 | my ($self, $name) = @_; |
30 | $self->_generate_simple_get('$_[0]', $name); |
31 | } |
32 | |
33 | sub generate_simple_get { |
34 | shift->_generate_simple_get(@_); |
35 | } |
36 | |
37 | sub _generate_simple_get { |
38 | my ($self, $me, $name) = @_; |
39 | my $name_str = perlstring $name; |
40 | "${me}->{${name_str}}"; |
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41 | } |
42 | |
43 | sub _generate_set { |
a16d301e |
44 | my ($self, $name, $value, $spec) = @_; |
45 | my $simple = $self->_generate_simple_set($name, $value); |
46 | if (my $trigger = $spec->{trigger}) { |
47 | my $value = '$value'; |
48 | my $fire = $self->_generate_trigger($name, '$_[0]', '$value', $trigger); |
49 | return 'do { ' |
50 | .'my $value = '.$simple.'; '.$fire.'; ' |
51 | .'$value }' |
52 | ; |
53 | } |
54 | return $simple; |
55 | } |
56 | |
57 | sub generate_trigger { |
58 | my $self = shift; |
59 | local $self->{captures} = {}; |
60 | my $code = $self->_generate_trigger(@_); |
61 | return ($code, $self->{captures}); |
62 | } |
63 | |
64 | sub _generate_trigger { |
65 | my ($self, $name, $obj, $value, $trigger) = @_; |
625d6219 |
66 | if (my $quoted = quoted_from_sub($trigger)) { |
625d6219 |
67 | my $code = $quoted->[1]; |
8c6626cf |
68 | my $at_ = 'local @_ = ('.join(', ', $obj, $value).');'; |
69 | if (my $captures = $quoted->[2]) { |
70 | my $cap_name = qq{\$trigger_captures_for_${name}}; |
71 | $self->{captures}->{$cap_name} = \$captures; |
72 | return "do {\n".' '.$at_."\n" |
17a8e3f0 |
73 | .Sub::Quote::capture_unroll($cap_name, $captures, 6) |
74 | ." ${code}\n }"; |
8c6626cf |
75 | } |
625d6219 |
76 | return 'do { local @_ = ('.join(', ', $obj, $value).'); '.$code.' }'; |
77 | } |
a16d301e |
78 | my $cap_name = qq{\$trigger_for_${name}}; |
79 | $self->{captures}->{$cap_name} = \$trigger; |
625d6219 |
80 | return "${cap_name}->(${obj}, ${value})"; |
a16d301e |
81 | } |
82 | |
83 | sub _generate_simple_set { |
84 | my ($self, $name, $value) = @_; |
85 | my $name_str = perlstring $name; |
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86 | "\$_[0]->{${name_str}} = ${value}"; |
87 | } |
88 | |
89 | sub _generate_getset { |
a16d301e |
90 | my ($self, $name, $spec) = @_; |
91 | q{(@_ > 1 ? }.$self->_generate_set($name, q{$_[1]}, $spec) |
92 | .' : '.$self->_generate_get($name).')'; |
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93 | } |
94 | |
95 | 1; |