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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 { |
6f68f022 |
10 | my ($self, $into, $name, $spec, $quote_opts) = @_; |
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11 | die "Must have an is" unless my $is = $spec->{is}; |
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12 | local $self->{captures} = {}; |
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13 | my $body = do { |
14 | if ($is eq 'ro') { |
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15 | $self->_generate_get($name, $spec) |
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16 | } elsif ($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}, $quote_opts||{} |
6f68f022 |
25 | ; |
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26 | } |
27 | |
28 | sub _generate_get { |
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29 | my ($self, $name, $spec) = @_; |
30 | my $simple = $self->_generate_simple_get('$_[0]', $name); |
31 | my ($lazy, $default, $builder) = @{$spec}{qw(lazy default builder)}; |
32 | return $simple unless $lazy and ($default or $builder); |
649ac264 |
33 | 'do { '.$self->_generate_use_default( |
34 | '$_[0]', $name, $spec, |
46389f86 |
35 | $self->_generate_simple_has('$_[0]', $name), |
36 | ).'; '.$simple.' }'; |
37 | } |
38 | |
39 | sub _generate_simple_has { |
40 | my ($self, $me, $name) = @_; |
41 | "exists ${me}->{${\perlstring $name}}"; |
42 | } |
43 | |
649ac264 |
44 | sub generate_get_default { |
45 | my $self = shift; |
46 | local $self->{captures} = {}; |
47 | my $code = $self->_generate_get_default(@_); |
48 | return ($code, $self->{captures}); |
49 | } |
50 | |
51 | sub _generate_use_default { |
52 | my ($self, $me, $name, $spec, $test) = @_; |
46389f86 |
53 | $self->_generate_simple_set( |
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54 | $me, $name, $self->_generate_get_default($me, $name, $spec) |
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55 | ).' unless '.$test; |
a16d301e |
56 | } |
57 | |
649ac264 |
58 | sub _generate_get_default { |
59 | my ($self, $me, $name, $spec) = @_; |
60 | $spec->{default} |
61 | ? $self->_generate_call_code($name, 'default', $me, $spec->{default}) |
62 | : "${me}->${\$spec->{builder}}" |
63 | } |
64 | |
a16d301e |
65 | sub generate_simple_get { |
66 | shift->_generate_simple_get(@_); |
67 | } |
68 | |
69 | sub _generate_simple_get { |
70 | my ($self, $me, $name) = @_; |
71 | my $name_str = perlstring $name; |
72 | "${me}->{${name_str}}"; |
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73 | } |
74 | |
75 | sub _generate_set { |
a16d301e |
76 | my ($self, $name, $value, $spec) = @_; |
46389f86 |
77 | my $simple = $self->_generate_simple_set('$_[0]', $name, $value); |
6d377074 |
78 | my ($trigger, $isa_check) = @{$spec}{qw(trigger isa)}; |
79 | return $simple unless $trigger or $isa_check; |
80 | my $code = 'do {'; |
81 | if ($isa_check) { |
82 | $code .= ' '.$self->_generate_isa_check($name, '$_[1]', $isa_check).';'; |
83 | } |
84 | if ($trigger) { |
a16d301e |
85 | my $fire = $self->_generate_trigger($name, '$_[0]', '$value', $trigger); |
6d377074 |
86 | $code .= |
87 | ' my $value = '.$simple.'; '.$fire.'; ' |
88 | .'$value'; |
89 | } else { |
90 | $code .= ' '.$simple; |
a16d301e |
91 | } |
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92 | $code .= ' }'; |
93 | return $code; |
a16d301e |
94 | } |
95 | |
96 | sub generate_trigger { |
97 | my $self = shift; |
98 | local $self->{captures} = {}; |
99 | my $code = $self->_generate_trigger(@_); |
100 | return ($code, $self->{captures}); |
101 | } |
102 | |
103 | sub _generate_trigger { |
104 | my ($self, $name, $obj, $value, $trigger) = @_; |
6d377074 |
105 | $self->_generate_call_code($name, 'trigger', "${obj}, ${value}", $trigger); |
106 | } |
107 | |
108 | sub generate_isa_check { |
109 | my $self = shift; |
110 | local $self->{captures} = {}; |
111 | my $code = $self->_generate_isa_check(@_); |
112 | return ($code, $self->{captures}); |
113 | } |
114 | |
115 | sub _generate_isa_check { |
116 | my ($self, $name, $value, $check) = @_; |
117 | $self->_generate_call_code($name, 'isa_check', $value, $check); |
118 | } |
119 | |
120 | sub _generate_call_code { |
121 | my ($self, $name, $type, $values, $sub) = @_; |
122 | if (my $quoted = quoted_from_sub($sub)) { |
625d6219 |
123 | my $code = $quoted->[1]; |
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124 | my $at_ = 'local @_ = ('.$values.');'; |
8c6626cf |
125 | if (my $captures = $quoted->[2]) { |
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126 | my $cap_name = qq{\$${type}_captures_for_${name}}; |
8c6626cf |
127 | $self->{captures}->{$cap_name} = \$captures; |
128 | return "do {\n".' '.$at_."\n" |
17a8e3f0 |
129 | .Sub::Quote::capture_unroll($cap_name, $captures, 6) |
130 | ." ${code}\n }"; |
8c6626cf |
131 | } |
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132 | return 'do { local @_ = ('.$values.'); '.$code.' }'; |
625d6219 |
133 | } |
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134 | my $cap_name = qq{\$${type}_for_${name}}; |
135 | $self->{captures}->{$cap_name} = \$sub; |
136 | return "${cap_name}->(${values})"; |
a16d301e |
137 | } |
138 | |
649ac264 |
139 | sub generate_simple_set { |
140 | my $self = shift; |
141 | local $self->{captures} = {}; |
142 | my $code = $self->_generate_simple_set(@_); |
143 | return ($code, $self->{captures}); |
144 | } |
145 | |
a16d301e |
146 | sub _generate_simple_set { |
46389f86 |
147 | my ($self, $me, $name, $value) = @_; |
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148 | my $name_str = perlstring $name; |
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149 | "${me}->{${name_str}} = ${value}"; |
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150 | } |
151 | |
152 | sub _generate_getset { |
a16d301e |
153 | my ($self, $name, $spec) = @_; |
154 | q{(@_ > 1 ? }.$self->_generate_set($name, q{$_[1]}, $spec) |
155 | .' : '.$self->_generate_get($name).')'; |
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156 | } |
157 | |
158 | 1; |