Commit | Line | Data |
51a3b106 |
1 | package Method::Generate::Accessor; |
2 | |
3 | use strictures 1; |
b1eebd55 |
4 | use Moo::_Utils; |
5 | use base qw(Moo::Object); |
51a3b106 |
6 | use Sub::Quote; |
7 | use B 'perlstring'; |
daa05b62 |
8 | BEGIN { |
6e294299 |
9 | our $CAN_HAZ_XS = |
10 | _maybe_load_module('Class::XSAccessor') |
11 | && |
12 | (Class::XSAccessor->VERSION > 1.06) |
13 | ; |
daa05b62 |
14 | } |
51a3b106 |
15 | |
316917c9 |
16 | sub generate_method { |
6f68f022 |
17 | my ($self, $into, $name, $spec, $quote_opts) = @_; |
51a3b106 |
18 | die "Must have an is" unless my $is = $spec->{is}; |
a16d301e |
19 | local $self->{captures} = {}; |
51a3b106 |
20 | my $body = do { |
21 | if ($is eq 'ro') { |
e6f2e914 |
22 | if (our $CAN_HAZ_XS && $self->is_simple_get($name, $spec)) { |
23 | $self->_generate_xs_get($into, $name); |
24 | } else { |
25 | $self->_generate_get($name, $spec) |
26 | } |
51a3b106 |
27 | } elsif ($is eq 'rw') { |
e6f2e914 |
28 | if ( |
29 | our $CAN_HAZ_XS |
30 | && $self->is_simple_get($name, $spec) |
31 | && $self->is_simple_set($name, $spec) |
32 | ) { |
33 | $self->_generate_xs_getset($into, $name); |
34 | } else { |
35 | $self->_generate_getset($name, $spec) |
36 | } |
51a3b106 |
37 | } else { |
38 | die "Unknown is ${is}"; |
39 | } |
40 | }; |
8f333548 |
41 | if (my $pred = $spec->{predicate}) { |
42 | quote_sub "${into}::${pred}" => |
e6f2e914 |
43 | ' '.$self->_generate_simple_has('$_[0]', $name)."\n" |
8f333548 |
44 | ; |
45 | } |
46 | if (my $cl = $spec->{clearer}) { |
47 | quote_sub "${into}::${cl}" => |
48 | " delete \$_[0]->{${\perlstring $name}}\n" |
49 | ; |
50 | } |
daa05b62 |
51 | return $body if ref($body); # optimiferised |
6f68f022 |
52 | quote_sub |
53 | "${into}::${name}" => ' '.$body."\n", |
a16d301e |
54 | $self->{captures}, $quote_opts||{} |
6f68f022 |
55 | ; |
51a3b106 |
56 | } |
57 | |
3a9a65a4 |
58 | sub is_simple_attribute { |
59 | my ($self, $name, $spec) = @_; |
8f333548 |
60 | # clearer doesn't have to be listed because it doesn't |
61 | # affect whether defined/exists makes a difference |
62 | return !grep $spec->{$_}, |
63 | qw(lazy default builder isa trigger predicate); |
3a9a65a4 |
64 | } |
65 | |
daa05b62 |
66 | sub is_simple_get { |
67 | my ($self, $name, $spec) = @_; |
68 | return !($spec->{lazy} and ($spec->{default} or $spec->{builder})); |
69 | } |
70 | |
71 | sub is_simple_set { |
72 | my ($self, $name, $spec) = @_; |
73 | return !grep $spec->{$_}, qw(isa trigger); |
74 | } |
75 | |
51a3b106 |
76 | sub _generate_get { |
46389f86 |
77 | my ($self, $name, $spec) = @_; |
78 | my $simple = $self->_generate_simple_get('$_[0]', $name); |
79 | my ($lazy, $default, $builder) = @{$spec}{qw(lazy default builder)}; |
80 | return $simple unless $lazy and ($default or $builder); |
649ac264 |
81 | 'do { '.$self->_generate_use_default( |
82 | '$_[0]', $name, $spec, |
46389f86 |
83 | $self->_generate_simple_has('$_[0]', $name), |
84 | ).'; '.$simple.' }'; |
85 | } |
86 | |
87 | sub _generate_simple_has { |
88 | my ($self, $me, $name) = @_; |
89 | "exists ${me}->{${\perlstring $name}}"; |
90 | } |
91 | |
649ac264 |
92 | sub generate_get_default { |
93 | my $self = shift; |
94 | local $self->{captures} = {}; |
95 | my $code = $self->_generate_get_default(@_); |
96 | return ($code, $self->{captures}); |
97 | } |
98 | |
99 | sub _generate_use_default { |
100 | my ($self, $me, $name, $spec, $test) = @_; |
46389f86 |
101 | $self->_generate_simple_set( |
649ac264 |
102 | $me, $name, $self->_generate_get_default($me, $name, $spec) |
46389f86 |
103 | ).' unless '.$test; |
a16d301e |
104 | } |
105 | |
649ac264 |
106 | sub _generate_get_default { |
107 | my ($self, $me, $name, $spec) = @_; |
108 | $spec->{default} |
109 | ? $self->_generate_call_code($name, 'default', $me, $spec->{default}) |
110 | : "${me}->${\$spec->{builder}}" |
111 | } |
112 | |
a16d301e |
113 | sub generate_simple_get { |
114 | shift->_generate_simple_get(@_); |
115 | } |
116 | |
117 | sub _generate_simple_get { |
118 | my ($self, $me, $name) = @_; |
119 | my $name_str = perlstring $name; |
120 | "${me}->{${name_str}}"; |
51a3b106 |
121 | } |
122 | |
123 | sub _generate_set { |
a16d301e |
124 | my ($self, $name, $value, $spec) = @_; |
46389f86 |
125 | my $simple = $self->_generate_simple_set('$_[0]', $name, $value); |
6d377074 |
126 | my ($trigger, $isa_check) = @{$spec}{qw(trigger isa)}; |
127 | return $simple unless $trigger or $isa_check; |
e6f2e914 |
128 | my $code = "do {\n"; |
6d377074 |
129 | if ($isa_check) { |
e6f2e914 |
130 | $code .= |
131 | " ".$self->_generate_isa_check($name, '$_[1]', $isa_check).";\n"; |
6d377074 |
132 | } |
133 | if ($trigger) { |
a16d301e |
134 | my $fire = $self->_generate_trigger($name, '$_[0]', '$value', $trigger); |
6d377074 |
135 | $code .= |
e6f2e914 |
136 | " my \$value = ".$simple.";\n ".$fire.";\n" |
137 | ." \$value;\n"; |
6d377074 |
138 | } else { |
e6f2e914 |
139 | $code .= " ".$simple.";\n"; |
a16d301e |
140 | } |
e6f2e914 |
141 | $code .= " }"; |
6d377074 |
142 | return $code; |
a16d301e |
143 | } |
144 | |
145 | sub generate_trigger { |
146 | my $self = shift; |
147 | local $self->{captures} = {}; |
148 | my $code = $self->_generate_trigger(@_); |
149 | return ($code, $self->{captures}); |
150 | } |
151 | |
152 | sub _generate_trigger { |
153 | my ($self, $name, $obj, $value, $trigger) = @_; |
6d377074 |
154 | $self->_generate_call_code($name, 'trigger', "${obj}, ${value}", $trigger); |
155 | } |
156 | |
157 | sub generate_isa_check { |
158 | my $self = shift; |
159 | local $self->{captures} = {}; |
160 | my $code = $self->_generate_isa_check(@_); |
161 | return ($code, $self->{captures}); |
162 | } |
163 | |
164 | sub _generate_isa_check { |
165 | my ($self, $name, $value, $check) = @_; |
166 | $self->_generate_call_code($name, 'isa_check', $value, $check); |
167 | } |
168 | |
169 | sub _generate_call_code { |
170 | my ($self, $name, $type, $values, $sub) = @_; |
171 | if (my $quoted = quoted_from_sub($sub)) { |
625d6219 |
172 | my $code = $quoted->[1]; |
6d377074 |
173 | my $at_ = 'local @_ = ('.$values.');'; |
8c6626cf |
174 | if (my $captures = $quoted->[2]) { |
6d377074 |
175 | my $cap_name = qq{\$${type}_captures_for_${name}}; |
8c6626cf |
176 | $self->{captures}->{$cap_name} = \$captures; |
177 | return "do {\n".' '.$at_."\n" |
17a8e3f0 |
178 | .Sub::Quote::capture_unroll($cap_name, $captures, 6) |
179 | ." ${code}\n }"; |
8c6626cf |
180 | } |
6d377074 |
181 | return 'do { local @_ = ('.$values.'); '.$code.' }'; |
625d6219 |
182 | } |
6d377074 |
183 | my $cap_name = qq{\$${type}_for_${name}}; |
184 | $self->{captures}->{$cap_name} = \$sub; |
185 | return "${cap_name}->(${values})"; |
a16d301e |
186 | } |
187 | |
3a9a65a4 |
188 | sub generate_populate_set { |
189 | my $self = shift; |
190 | local $self->{captures} = {}; |
191 | my $code = $self->_generate_populate_set(@_); |
192 | return ($code, $self->{captures}); |
193 | } |
194 | |
195 | sub _generate_populate_set { |
196 | my ($self, $me, $name, $spec, $source, $test) = @_; |
197 | if (!$spec->{lazy} and |
198 | ($spec->{default} or $spec->{builder})) { |
199 | my $get_indent = ' ' x ($spec->{isa} ? 6 : 4); |
200 | my $get_value = |
201 | "(\n${get_indent} ${test}\n${get_indent} ? ${source}\n${get_indent} : " |
202 | .$self->_generate_get_default( |
203 | '$new', $_, $spec |
204 | ) |
205 | ."\n${get_indent})"; |
206 | ($spec->{isa} |
207 | ? " {\n my \$value = ".$get_value.";\n " |
5d349892 |
208 | .$self->_generate_isa_check( |
209 | $name, '$value', $spec->{isa} |
210 | ).";\n" |
211 | .' '.$self->_generate_simple_set($me, $name, '$value').";\n" |
212 | ." }\n" |
3a9a65a4 |
213 | : ' '.$self->_generate_simple_set($me, $name, $get_value).";\n" |
214 | ) |
215 | .($spec->{trigger} |
216 | ? ' ' |
5d349892 |
217 | .$self->_generate_trigger( |
218 | $name, $me, $self->_generate_simple_get($me, $name), |
219 | $spec->{trigger} |
220 | )." if ${test};\n" |
3a9a65a4 |
221 | : '' |
222 | ); |
223 | } else { |
224 | " if (${test}) {\n" |
225 | .($spec->{isa} |
226 | ? " " |
5d349892 |
227 | .$self->_generate_isa_check( |
228 | $name, $source, $spec->{isa} |
229 | ).";\n" |
3a9a65a4 |
230 | : "" |
231 | ) |
232 | ." ".$self->_generate_simple_set($me, $name, $source).";\n" |
233 | .($spec->{trigger} |
5d349892 |
234 | ? " " |
235 | .$self->_generate_trigger( |
236 | $name, $me, $self->_generate_simple_get($me, $name), |
237 | $spec->{trigger} |
238 | ).";\n" |
239 | : "" |
3a9a65a4 |
240 | ) |
241 | ." }\n"; |
242 | } |
243 | } |
244 | |
245 | sub generate_multi_set { |
246 | my ($self, $me, $to_set, $from) = @_; |
247 | "\@{${me}}{qw(${\join ' ', @$to_set})} = $from"; |
248 | } |
249 | |
649ac264 |
250 | sub generate_simple_set { |
251 | my $self = shift; |
252 | local $self->{captures} = {}; |
253 | my $code = $self->_generate_simple_set(@_); |
254 | return ($code, $self->{captures}); |
255 | } |
256 | |
a16d301e |
257 | sub _generate_simple_set { |
46389f86 |
258 | my ($self, $me, $name, $value) = @_; |
a16d301e |
259 | my $name_str = perlstring $name; |
46389f86 |
260 | "${me}->{${name_str}} = ${value}"; |
51a3b106 |
261 | } |
262 | |
263 | sub _generate_getset { |
a16d301e |
264 | my ($self, $name, $spec) = @_; |
e6f2e914 |
265 | q{(@_ > 1}."\n ? ".$self->_generate_set($name, q{$_[1]}, $spec) |
266 | ."\n : ".$self->_generate_get($name)."\n )"; |
51a3b106 |
267 | } |
268 | |
daa05b62 |
269 | sub _generate_xs_get { |
270 | shift->_generate_xs('getters', @_); |
271 | } |
272 | |
273 | sub _generate_xs_getset { |
274 | shift->_generate_xs('accessors', @_); |
275 | } |
276 | |
277 | sub _generate_xs { |
e6f2e914 |
278 | my ($self, $type, $into, $name) = @_; |
daa05b62 |
279 | no strict 'refs'; |
280 | Class::XSAccessor->import( |
e6f2e914 |
281 | class => $into, |
daa05b62 |
282 | $type => { $name => $name } |
283 | ); |
e6f2e914 |
284 | return $into->can($name); |
daa05b62 |
285 | } |
286 | |
51a3b106 |
287 | 1; |