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1 | package Devel::REPL::Plugin::CompletionDriver::Globals; |
2 | use Devel::REPL::Plugin; |
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3 | use namespace::autoclean; |
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4 | |
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5 | sub BEFORE_PLUGIN { |
6 | my $self = shift; |
7 | $self->load_plugin('Completion'); |
8 | } |
9 | |
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10 | around complete => sub { |
11 | my $orig = shift; |
12 | my ($self, $text, $document) = @_; |
13 | |
14 | my $last = $self->last_ppi_element($document); |
15 | |
16 | return $orig->(@_) |
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17 | unless $last->isa('PPI::Token::Symbol') |
18 | || $last->isa('PPI::Token::Word'); |
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19 | |
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20 | my $sigil = $last =~ s/^[\$\@\%\&\*]// ? $1 : undef; |
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21 | my $re = qr/^\Q$last/; |
22 | |
23 | my @package_fragments = split qr/::|'/, $last; |
24 | |
25 | # split drops the last fragment if it's empty |
26 | push @package_fragments, '' if $last =~ /(?:'|::)$/; |
27 | |
28 | # the beginning of the variable, or an incomplete package name |
29 | my $incomplete = pop @package_fragments; |
30 | |
31 | # recurse for the complete package fragments |
32 | my $stash = \%::; |
33 | for (@package_fragments) { |
34 | $stash = $stash->{"$_\::"}; |
35 | } |
36 | |
37 | # collect any variables from this stash |
38 | my @found = grep { /$re/ } |
39 | map { join '::', @package_fragments, $_ } |
40 | keys %$stash; |
41 | |
42 | # check to see if it's an incomplete package name, and add its variables |
43 | # so Devel<TAB> is completed correctly |
44 | for my $key (keys %$stash) { |
45 | next unless $key =~ /::$/; # only look at deeper packages |
46 | next unless $key =~ /^\Q$incomplete/; # only look at matching packages |
47 | push @found, |
48 | map { join '::', @package_fragments, $_ } |
49 | map { "$key$_" } # $key already has trailing :: |
50 | keys %{ $stash->{$key} }; |
51 | } |
52 | |
53 | return $orig->(@_), @found; |
54 | }; |
55 | |
56 | 1; |
57 | |
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58 | __END__ |
59 | |
60 | =head1 NAME |
61 | |
62 | Devel::REPL::Plugin::CompletionDriver::Globals - Complete global variables, packages, namespaced functions |
63 | |
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64 | =head1 AUTHOR |
65 | |
66 | Shawn M Moore, C<< <sartak at gmail dot com> >> |
67 | |
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68 | =cut |
69 | |