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 { |
6f68f022 |
10 | my ($self, $into, $name, $spec, $quote_opts) = @_; |
51a3b106 |
11 | die "Must have an is" unless my $is = $spec->{is}; |
a16d301e |
12 | local $self->{captures} = {}; |
51a3b106 |
13 | my $body = do { |
14 | if ($is eq 'ro') { |
46389f86 |
15 | $self->_generate_get($name, $spec) |
51a3b106 |
16 | } elsif ($is eq 'rw') { |
a16d301e |
17 | $self->_generate_getset($name, $spec) |
51a3b106 |
18 | } else { |
19 | die "Unknown is ${is}"; |
20 | } |
21 | }; |
6f68f022 |
22 | quote_sub |
23 | "${into}::${name}" => ' '.$body."\n", |
a16d301e |
24 | $self->{captures}, $quote_opts||{} |
6f68f022 |
25 | ; |
51a3b106 |
26 | } |
27 | |
3a9a65a4 |
28 | sub is_simple_attribute { |
29 | my ($self, $name, $spec) = @_; |
30 | return !grep $spec->{$_}, qw(lazy default builder isa trigger); |
31 | } |
32 | |
51a3b106 |
33 | sub _generate_get { |
46389f86 |
34 | my ($self, $name, $spec) = @_; |
35 | my $simple = $self->_generate_simple_get('$_[0]', $name); |
36 | my ($lazy, $default, $builder) = @{$spec}{qw(lazy default builder)}; |
37 | return $simple unless $lazy and ($default or $builder); |
649ac264 |
38 | 'do { '.$self->_generate_use_default( |
39 | '$_[0]', $name, $spec, |
46389f86 |
40 | $self->_generate_simple_has('$_[0]', $name), |
41 | ).'; '.$simple.' }'; |
42 | } |
43 | |
44 | sub _generate_simple_has { |
45 | my ($self, $me, $name) = @_; |
46 | "exists ${me}->{${\perlstring $name}}"; |
47 | } |
48 | |
649ac264 |
49 | sub generate_get_default { |
50 | my $self = shift; |
51 | local $self->{captures} = {}; |
52 | my $code = $self->_generate_get_default(@_); |
53 | return ($code, $self->{captures}); |
54 | } |
55 | |
56 | sub _generate_use_default { |
57 | my ($self, $me, $name, $spec, $test) = @_; |
46389f86 |
58 | $self->_generate_simple_set( |
649ac264 |
59 | $me, $name, $self->_generate_get_default($me, $name, $spec) |
46389f86 |
60 | ).' unless '.$test; |
a16d301e |
61 | } |
62 | |
649ac264 |
63 | sub _generate_get_default { |
64 | my ($self, $me, $name, $spec) = @_; |
65 | $spec->{default} |
66 | ? $self->_generate_call_code($name, 'default', $me, $spec->{default}) |
67 | : "${me}->${\$spec->{builder}}" |
68 | } |
69 | |
a16d301e |
70 | sub generate_simple_get { |
71 | shift->_generate_simple_get(@_); |
72 | } |
73 | |
74 | sub _generate_simple_get { |
75 | my ($self, $me, $name) = @_; |
76 | my $name_str = perlstring $name; |
77 | "${me}->{${name_str}}"; |
51a3b106 |
78 | } |
79 | |
80 | sub _generate_set { |
a16d301e |
81 | my ($self, $name, $value, $spec) = @_; |
46389f86 |
82 | my $simple = $self->_generate_simple_set('$_[0]', $name, $value); |
6d377074 |
83 | my ($trigger, $isa_check) = @{$spec}{qw(trigger isa)}; |
84 | return $simple unless $trigger or $isa_check; |
85 | my $code = 'do {'; |
86 | if ($isa_check) { |
87 | $code .= ' '.$self->_generate_isa_check($name, '$_[1]', $isa_check).';'; |
88 | } |
89 | if ($trigger) { |
a16d301e |
90 | my $fire = $self->_generate_trigger($name, '$_[0]', '$value', $trigger); |
6d377074 |
91 | $code .= |
92 | ' my $value = '.$simple.'; '.$fire.'; ' |
93 | .'$value'; |
94 | } else { |
95 | $code .= ' '.$simple; |
a16d301e |
96 | } |
6d377074 |
97 | $code .= ' }'; |
98 | return $code; |
a16d301e |
99 | } |
100 | |
101 | sub generate_trigger { |
102 | my $self = shift; |
103 | local $self->{captures} = {}; |
104 | my $code = $self->_generate_trigger(@_); |
105 | return ($code, $self->{captures}); |
106 | } |
107 | |
108 | sub _generate_trigger { |
109 | my ($self, $name, $obj, $value, $trigger) = @_; |
6d377074 |
110 | $self->_generate_call_code($name, 'trigger', "${obj}, ${value}", $trigger); |
111 | } |
112 | |
113 | sub generate_isa_check { |
114 | my $self = shift; |
115 | local $self->{captures} = {}; |
116 | my $code = $self->_generate_isa_check(@_); |
117 | return ($code, $self->{captures}); |
118 | } |
119 | |
120 | sub _generate_isa_check { |
121 | my ($self, $name, $value, $check) = @_; |
122 | $self->_generate_call_code($name, 'isa_check', $value, $check); |
123 | } |
124 | |
125 | sub _generate_call_code { |
126 | my ($self, $name, $type, $values, $sub) = @_; |
127 | if (my $quoted = quoted_from_sub($sub)) { |
625d6219 |
128 | my $code = $quoted->[1]; |
6d377074 |
129 | my $at_ = 'local @_ = ('.$values.');'; |
8c6626cf |
130 | if (my $captures = $quoted->[2]) { |
6d377074 |
131 | my $cap_name = qq{\$${type}_captures_for_${name}}; |
8c6626cf |
132 | $self->{captures}->{$cap_name} = \$captures; |
133 | return "do {\n".' '.$at_."\n" |
17a8e3f0 |
134 | .Sub::Quote::capture_unroll($cap_name, $captures, 6) |
135 | ." ${code}\n }"; |
8c6626cf |
136 | } |
6d377074 |
137 | return 'do { local @_ = ('.$values.'); '.$code.' }'; |
625d6219 |
138 | } |
6d377074 |
139 | my $cap_name = qq{\$${type}_for_${name}}; |
140 | $self->{captures}->{$cap_name} = \$sub; |
141 | return "${cap_name}->(${values})"; |
a16d301e |
142 | } |
143 | |
3a9a65a4 |
144 | sub generate_populate_set { |
145 | my $self = shift; |
146 | local $self->{captures} = {}; |
147 | my $code = $self->_generate_populate_set(@_); |
148 | return ($code, $self->{captures}); |
149 | } |
150 | |
151 | sub _generate_populate_set { |
152 | my ($self, $me, $name, $spec, $source, $test) = @_; |
153 | if (!$spec->{lazy} and |
154 | ($spec->{default} or $spec->{builder})) { |
155 | my $get_indent = ' ' x ($spec->{isa} ? 6 : 4); |
156 | my $get_value = |
157 | "(\n${get_indent} ${test}\n${get_indent} ? ${source}\n${get_indent} : " |
158 | .$self->_generate_get_default( |
159 | '$new', $_, $spec |
160 | ) |
161 | ."\n${get_indent})"; |
162 | ($spec->{isa} |
163 | ? " {\n my \$value = ".$get_value.";\n " |
164 | .$self->_generate_isa_check( |
165 | $name, '$value', $spec->{isa} |
166 | ).";\n" |
167 | .' '.$self->_generate_simple_set($me, $name, '$value').";\n" |
168 | ." }\n" |
169 | : ' '.$self->_generate_simple_set($me, $name, $get_value).";\n" |
170 | ) |
171 | .($spec->{trigger} |
172 | ? ' ' |
173 | .$self->_generate_trigger( |
174 | $name, $me, $self->_generate_simple_get($me, $name), |
175 | $spec->{trigger} |
176 | )." if ${test};\n" |
177 | : '' |
178 | ); |
179 | } else { |
180 | " if (${test}) {\n" |
181 | .($spec->{isa} |
182 | ? " " |
183 | .$self->_generate_isa_check( |
184 | $name, $source, $spec->{isa} |
185 | ).";\n" |
186 | : "" |
187 | ) |
188 | ." ".$self->_generate_simple_set($me, $name, $source).";\n" |
189 | .($spec->{trigger} |
190 | ? " " |
191 | .$self->_generate_trigger( |
192 | $name, $me, $self->_generate_simple_get($me, $name), |
193 | $spec->{trigger} |
194 | ).";\n" |
195 | : "" |
196 | ) |
197 | ." }\n"; |
198 | } |
199 | } |
200 | |
201 | sub generate_multi_set { |
202 | my ($self, $me, $to_set, $from) = @_; |
203 | "\@{${me}}{qw(${\join ' ', @$to_set})} = $from"; |
204 | } |
205 | |
649ac264 |
206 | sub generate_simple_set { |
207 | my $self = shift; |
208 | local $self->{captures} = {}; |
209 | my $code = $self->_generate_simple_set(@_); |
210 | return ($code, $self->{captures}); |
211 | } |
212 | |
a16d301e |
213 | sub _generate_simple_set { |
46389f86 |
214 | my ($self, $me, $name, $value) = @_; |
a16d301e |
215 | my $name_str = perlstring $name; |
46389f86 |
216 | "${me}->{${name_str}} = ${value}"; |
51a3b106 |
217 | } |
218 | |
219 | sub _generate_getset { |
a16d301e |
220 | my ($self, $name, $spec) = @_; |
221 | q{(@_ > 1 ? }.$self->_generate_set($name, q{$_[1]}, $spec) |
222 | .' : '.$self->_generate_get($name).')'; |
51a3b106 |
223 | } |
224 | |
225 | 1; |