Commit | Line | Data |
565f0cbb |
1 | |
2 | package Class::MOP::Method::Generated; |
3 | |
4 | use strict; |
5 | use warnings; |
6 | |
7 | use Carp 'confess'; |
8 | |
097eeb20 |
9 | our $VERSION = '0.77_01'; |
d519662a |
10 | $VERSION = eval $VERSION; |
565f0cbb |
11 | our $AUTHORITY = 'cpan:STEVAN'; |
12 | |
13 | use base 'Class::MOP::Method'; |
14 | |
15 | sub new { |
16 | my $class = shift; |
17 | my %options = @_; |
18 | |
b38f3848 |
19 | ($options{package_name} && $options{name}) |
32202ce2 |
20 | || confess "You must supply the package_name and name parameters $Class::MOP::Method::UPGRADE_ERROR_TEXT"; |
b38f3848 |
21 | |
0bfc85b8 |
22 | my $self = $class->_new(\%options); |
565f0cbb |
23 | |
24 | $self->initialize_body; |
25 | |
26 | return $self; |
27 | } |
28 | |
e3a72dbc |
29 | sub _new { |
0bfc85b8 |
30 | my $class = shift; |
31 | my $options = @_ == 1 ? $_[0] : {@_}; |
e3a72dbc |
32 | |
0bfc85b8 |
33 | $options->{is_inline} ||= 0; |
34 | $options->{body} ||= undef; |
e3a72dbc |
35 | |
0bfc85b8 |
36 | bless $options, $class; |
e3a72dbc |
37 | } |
38 | |
565f0cbb |
39 | ## accessors |
40 | |
d9d99689 |
41 | sub is_inline { $_[0]{is_inline} } |
42 | |
43 | sub definition_context { $_[0]{definition_context} } |
565f0cbb |
44 | |
45 | sub initialize_body { |
46 | confess "No body to initialize, " . __PACKAGE__ . " is an abstract base class"; |
47 | } |
48 | |
7f8de9b4 |
49 | sub _eval_closure { |
0c6f3280 |
50 | # my ($self, $captures, $sub_body) = @_; |
51 | my $__captures = $_[1]; |
a6eef5a3 |
52 | eval join( |
0c6f3280 |
53 | "\n", |
2507ef3a |
54 | ( |
55 | map { |
56 | /^([\@\%\$])/ |
57 | or die "capture key should start with \@, \% or \$: $_"; |
58 | q[my ] |
59 | . $_ . q[ = ] |
60 | . $1 |
61 | . q[{$__captures->{'] |
62 | . $_ |
63 | . q['}};]; |
64 | } keys %$__captures |
65 | ), |
0c6f3280 |
66 | $_[2] |
67 | ); |
7f8de9b4 |
68 | } |
565f0cbb |
69 | |
12f7b801 |
70 | sub _add_line_directive { |
71 | my ( $self, %args ) = @_; |
72 | |
73 | my ( $line, $file ); |
74 | |
75 | if ( my $ctx = ( $args{context} || $self->definition_context ) ) { |
76 | $line = $ctx->{line}; |
77 | if ( my $desc = $ctx->{description} ) { |
78 | $file = "$desc defined at $ctx->{file}"; |
79 | } else { |
80 | $file = $ctx->{file}; |
81 | } |
82 | } else { |
83 | ( $line, $file ) = ( 0, "generated method (unknown origin)" ); |
84 | } |
85 | |
86 | my $code = $args{code}; |
87 | |
88 | # if it's an array of lines, join it up |
89 | # don't use newlines so that the definition context is more meaningful |
90 | $code = join(@$code, ' ') if ref $code; |
91 | |
92 | return qq{#line $line "$file"\n} . $code; |
93 | } |
94 | |
95 | sub _compile_code { |
96 | my ( $self, %args ) = @_; |
97 | |
98 | my $code = $self->_add_line_directive(%args); |
99 | |
100 | $self->_eval_closure($args{environment}, $code); |
101 | } |
102 | |
565f0cbb |
103 | 1; |
104 | |
105 | __END__ |
106 | |
107 | =pod |
108 | |
109 | =head1 NAME |
110 | |
111 | Class::MOP::Method::Generated - Abstract base class for generated methods |
112 | |
113 | =head1 DESCRIPTION |
114 | |
115 | This is a C<Class::MOP::Method> subclass which is used interally |
116 | by C<Class::MOP::Method::Accessor> and C<Class::MOP::Method::Constructor>. |
117 | |
118 | =head1 METHODS |
119 | |
120 | =over 4 |
121 | |
122 | =item B<new (%options)> |
123 | |
124 | This creates the method based on the criteria in C<%options>, |
125 | these options are: |
126 | |
127 | =over 4 |
128 | |
129 | =item I<is_inline> |
130 | |
131 | This is a boolean to indicate if the method should be generated |
132 | as a closure, or as a more optimized inline version. |
133 | |
134 | =back |
135 | |
136 | =item B<is_inline> |
137 | |
138 | This returns the boolean which was passed into C<new>. |
139 | |
140 | =item B<initialize_body> |
141 | |
142 | This is an abstract method and will throw an exception if called. |
143 | |
144 | =back |
145 | |
146 | =head1 AUTHORS |
147 | |
148 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
149 | |
150 | =head1 COPYRIGHT AND LICENSE |
151 | |
69e3ab0a |
152 | Copyright 2006-2008 by Infinity Interactive, Inc. |
565f0cbb |
153 | |
154 | L<http://www.iinteractive.com> |
155 | |
156 | This library is free software; you can redistribute it and/or modify |
157 | it under the same terms as Perl itself. |
158 | |
159 | =cut |
160 | |