Commit | Line | Data |
e7be1784 |
1 | package Devel::Declare::MethodInstaller::Simple; |
2 | |
3 | use base 'Devel::Declare::Context::Simple'; |
4 | |
5 | use Devel::Declare (); |
6 | use Sub::Name; |
7 | use strict; |
8 | use warnings; |
9 | |
f42e9bcb |
10 | our $VERSION = '0.003003'; |
11 | |
e7be1784 |
12 | sub install_methodhandler { |
5b27c9b2 |
13 | my $class = shift; |
14 | my %args = @_; |
15 | { |
16 | no strict 'refs'; |
17 | *{$args{into}.'::'.$args{name}} = sub (&) {}; |
18 | } |
19 | |
20 | my $ctx = $class->new(%args); |
21 | Devel::Declare->setup_for( |
22 | $args{into}, |
23 | { $args{name} => { const => sub { $ctx->parser(@_) } } } |
24 | ); |
e7be1784 |
25 | } |
26 | |
b0a89632 |
27 | sub strip_attrs { |
28 | my $self = shift; |
29 | $self->skipspace; |
30 | |
b0a89632 |
31 | my $linestr = Devel::Declare::get_linestr; |
32 | my $attrs = ''; |
33 | |
ab449c2e |
34 | if (substr($linestr, $self->offset, 1) eq ':') { |
35 | while (substr($linestr, $self->offset, 1) ne '{') { |
36 | if (substr($linestr, $self->offset, 1) eq ':') { |
37 | substr($linestr, $self->offset, 1) = ''; |
b0a89632 |
38 | Devel::Declare::set_linestr($linestr); |
39 | |
40 | $attrs .= ':'; |
41 | } |
42 | |
43 | $self->skipspace; |
b0a89632 |
44 | $linestr = Devel::Declare::get_linestr(); |
45 | |
ab449c2e |
46 | if (my $len = Devel::Declare::toke_scan_word($self->offset, 0)) { |
47 | my $name = substr($linestr, $self->offset, $len); |
48 | substr($linestr, $self->offset, $len) = ''; |
b0a89632 |
49 | Devel::Declare::set_linestr($linestr); |
50 | |
51 | $attrs .= " ${name}"; |
52 | |
ab449c2e |
53 | if (substr($linestr, $self->offset, 1) eq '(') { |
54 | my $length = Devel::Declare::toke_scan_str($self->offset); |
b0a89632 |
55 | my $arg = Devel::Declare::get_lex_stuff(); |
56 | Devel::Declare::clear_lex_stuff(); |
57 | $linestr = Devel::Declare::get_linestr(); |
ab449c2e |
58 | substr($linestr, $self->offset, $length) = ''; |
b0a89632 |
59 | Devel::Declare::set_linestr($linestr); |
60 | |
61 | $attrs .= "(${arg})"; |
62 | } |
63 | } |
64 | } |
65 | |
66 | $linestr = Devel::Declare::get_linestr(); |
67 | } |
68 | |
69 | return $attrs; |
70 | } |
71 | |
a664754d |
72 | sub code_for { |
73 | my ($self, $name) = @_; |
74 | |
75 | if (defined $name) { |
76 | my $pkg = $self->get_curstash_name; |
77 | $name = join( '::', $pkg, $name ) |
78 | unless( $name =~ /::/ ); |
79 | return sub (&) { |
80 | my $code = shift; |
81 | # So caller() gets the subroutine name |
82 | no strict 'refs'; |
83 | *{$name} = subname $name => $code; |
84 | return; |
85 | }; |
86 | } else { |
87 | return sub (&) { shift }; |
88 | } |
89 | } |
90 | |
91 | sub install { |
92 | my ($self, $name ) = @_; |
93 | |
94 | $self->shadow( $self->code_for($name) ); |
95 | } |
96 | |
e7be1784 |
97 | sub parser { |
5b27c9b2 |
98 | my $self = shift; |
99 | $self->init(@_); |
100 | |
101 | $self->skip_declarator; |
102 | my $name = $self->strip_name; |
103 | my $proto = $self->strip_proto; |
b0a89632 |
104 | my $attrs = $self->strip_attrs; |
5b27c9b2 |
105 | my @decl = $self->parse_proto($proto); |
106 | my $inject = $self->inject_parsed_proto(@decl); |
107 | if (defined $name) { |
108 | $inject = $self->scope_injector_call() . $inject; |
109 | } |
b0a89632 |
110 | $self->inject_if_block($inject, $attrs ? "sub ${attrs} " : ''); |
a664754d |
111 | |
112 | $self->install( $name ); |
113 | |
114 | return; |
e7be1784 |
115 | } |
5b27c9b2 |
116 | |
dc8a74f7 |
117 | sub parse_proto { '' } |
5b27c9b2 |
118 | |
e7be1784 |
119 | sub inject_parsed_proto { |
5b27c9b2 |
120 | return $_[1]; |
e7be1784 |
121 | } |
122 | |
e7be1784 |
123 | 1; |
124 | |