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1 | use strict; |
2 | use warnings; |
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3 | package Devel::REPL::Plugin::CompletionDriver::Globals; |
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4 | |
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5 | use Devel::REPL::Plugin; |
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6 | use Devel::REPL::Plugin::Completion; # die early if cannot load |
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7 | use namespace::autoclean; |
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8 | |
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9 | sub BEFORE_PLUGIN { |
10 | my $self = shift; |
11 | $self->load_plugin('Completion'); |
12 | } |
13 | |
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14 | around complete => sub { |
15 | my $orig = shift; |
16 | my ($self, $text, $document) = @_; |
17 | |
18 | my $last = $self->last_ppi_element($document); |
19 | |
20 | return $orig->(@_) |
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21 | unless $last->isa('PPI::Token::Symbol') |
22 | || $last->isa('PPI::Token::Word'); |
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23 | |
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24 | my $sigil = $last =~ s/^[\$\@\%\&\*]// ? $1 : undef; |
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25 | my $re = qr/^\Q$last/; |
26 | |
27 | my @package_fragments = split qr/::|'/, $last; |
28 | |
29 | # split drops the last fragment if it's empty |
30 | push @package_fragments, '' if $last =~ /(?:'|::)$/; |
31 | |
32 | # the beginning of the variable, or an incomplete package name |
33 | my $incomplete = pop @package_fragments; |
34 | |
35 | # recurse for the complete package fragments |
36 | my $stash = \%::; |
37 | for (@package_fragments) { |
38 | $stash = $stash->{"$_\::"}; |
39 | } |
40 | |
41 | # collect any variables from this stash |
42 | my @found = grep { /$re/ } |
43 | map { join '::', @package_fragments, $_ } |
44 | keys %$stash; |
45 | |
46 | # check to see if it's an incomplete package name, and add its variables |
47 | # so Devel<TAB> is completed correctly |
48 | for my $key (keys %$stash) { |
49 | next unless $key =~ /::$/; # only look at deeper packages |
50 | next unless $key =~ /^\Q$incomplete/; # only look at matching packages |
51 | push @found, |
52 | map { join '::', @package_fragments, $_ } |
53 | map { "$key$_" } # $key already has trailing :: |
54 | keys %{ $stash->{$key} }; |
55 | } |
56 | |
57 | return $orig->(@_), @found; |
58 | }; |
59 | |
60 | 1; |
61 | |
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62 | __END__ |
63 | |
64 | =head1 NAME |
65 | |
66 | Devel::REPL::Plugin::CompletionDriver::Globals - Complete global variables, packages, namespaced functions |
67 | |
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68 | =head1 AUTHOR |
69 | |
70 | Shawn M Moore, C<< <sartak at gmail dot com> >> |
71 | |
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72 | =cut |
73 | |