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use strict; |
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use warnings; |
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290
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use feature 'state'; |
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241
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717
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use Future; |
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use IO::Async::Loop; |
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202
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use IO::Async::Process; |
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2269
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1552
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320
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10
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use PLS::JSON; |
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11
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991
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use PLS::Parser::Index; |
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506
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122
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use PLS::Parser::Pod; |
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227
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10016
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14
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=head1 NAME |
15
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16
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PLS::Parser::PackageSymbols |
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18
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=head1 DESCRIPTION |
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20
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This package executes a Perl process to import a package and interrogate |
21
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its symbol table to find all of the symbols in the package. |
22
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23
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=cut |
24
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25
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my $package_symbols_process; |
26
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my $imported_symbols_process; |
27
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28
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{ |
29
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my ($config, @packages) = @_; |
30
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31
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0
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0
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0
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0
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return Future->done({}) unless (scalar @packages); |
32
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33
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0
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0
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0
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start_package_symbols_process($config) if (ref $package_symbols_process ne 'IO::Async::Process'); |
34
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35
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0
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0
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0
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return $package_symbols_process->stdin->write(encode_json(\@packages) . "\n")->then(sub { $package_symbols_process->stdout->read_until("\n") })->then( |
36
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sub { |
37
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0
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0
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0
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my ($json) = @_; |
38
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39
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0
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0
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0
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return Future->done(eval { decode_json $json } // {}); |
40
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}, |
41
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0
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0
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0
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sub { Future->done({}) } |
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0
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0
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42
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); |
43
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0
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0
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0
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} ## end sub get_package_symbols |
44
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0
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0
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45
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{ |
46
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my ($config, @imports) = @_; |
47
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48
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return Future->done({}) unless (scalar @imports); |
49
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0
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0
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0
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0
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50
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start_imported_package_symbols_process($config) if (ref $imported_symbols_process ne 'IO::Async::Process'); |
51
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0
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0
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0
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52
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return $imported_symbols_process->stdin->write(encode_json(\@imports) . "\n")->then(sub { $imported_symbols_process->stdout->read_until("\n") })->then( |
53
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0
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0
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0
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sub { |
54
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my ($json) = @_; |
55
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0
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0
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0
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56
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return Future->done(eval { decode_json $json } // {}); |
57
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0
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0
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0
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}, |
58
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sub { Future->done({}) } |
59
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0
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0
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0
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); |
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0
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0
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60
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} ## end sub get_imported_package_symbols |
61
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0
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0
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0
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62
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0
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0
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{ |
63
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my ($config, $code) = @_; |
64
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65
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my $perl = PLS::Parser::Pod->get_perl_exe(); |
66
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my @inc = map { "-I$_" } @{$config->{inc}}; |
67
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8
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8
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31
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my $args = PLS::Parser::Pod->get_perl_args(); |
68
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my $process = IO::Async::Process->new( |
69
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8
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304
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command => [$perl, @inc, '-e', $code, @{$args}], |
70
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8
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22
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setup => _get_setup($config), |
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0
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0
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8
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44
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71
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8
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65
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stdin => {via => 'pipe_write'}, |
72
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stdout => { |
73
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8
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74
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on_read => sub { 0 } |
74
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}, |
75
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on_finish => sub { } |
76
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); |
77
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0
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0
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0
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78
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IO::Async::Loop->new->add($process); |
79
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0
|
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|
80
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8
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27
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return $process; |
81
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} ## end sub _start_process |
82
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8
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1833
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|
83
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{ |
84
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8
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|
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53467
|
my ($config) = @_; |
85
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86
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eval { $package_symbols_process->kill('TERM') } if (ref $package_symbols_process eq 'IO::Async::Process'); |
87
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$package_symbols_process = _start_process($config, get_package_symbols_code()); |
88
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} ## end sub start_package_symbols_process |
89
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4
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4
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0
|
42
|
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90
|
|
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|
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|
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{ |
91
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4
|
50
|
|
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|
139
|
my ($config) = @_; |
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0
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0
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|
92
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4
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63
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93
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eval { $imported_symbols_process->kill('TERM') } if (ref $package_symbols_process eq 'IO::Async::Process'); |
94
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$imported_symbols_process = _start_process($config, get_imported_package_symbols_code()); |
95
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} ## end sub start_imported_package_symbols_process |
96
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97
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4
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4
|
0
|
92
|
{ |
98
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|
|
|
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|
my ($config) = @_; |
99
|
4
|
50
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|
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|
107
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4
|
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|
|
|
87
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|
100
|
4
|
|
|
|
|
79
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# Just use the first workspace folder as ROOT_PATH - we don't know |
101
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|
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|
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|
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# which folder the code will ultimately be in, and it doesn't really matter |
102
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|
|
|
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|
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# for anyone except me. |
103
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|
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|
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my ($workspace_folder) = @{PLS::Parser::Index->new->workspace_folders}; |
104
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|
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|
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|
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my $cwd = $config->{cwd} // ''; |
105
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8
|
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|
8
|
|
38
|
$cwd =~ s/\$ROOT_PATH/$workspace_folder/; |
106
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|
|
|
|
|
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my @setup; |
107
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|
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push @setup, (chdir => $cwd) if (length $cwd and -d $cwd); |
108
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|
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|
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109
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|
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return \@setup; |
110
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8
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|
|
|
25
|
} ## end sub _get_setup |
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8
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181
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111
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8
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50
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51
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112
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8
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37
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{ |
113
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8
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21
|
my $code = <<'EOF'; |
114
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8
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50
|
33
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51
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close STDERR; |
115
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116
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8
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416
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use IO::Handle; |
117
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use JSON::PP; |
118
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use B; |
119
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120
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STDOUT->autoflush(); |
121
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4
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4
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0
|
35
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122
|
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my $json = JSON::PP->new->utf8; |
123
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|
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124
|
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package PackageSymbols; |
125
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126
|
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while (my $line = <STDIN>) |
127
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|
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{ |
128
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my $packages_to_find = $json->decode($line); |
129
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|
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my %functions; |
130
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131
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|
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|
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foreach my $find_package (@{$packages_to_find}) |
132
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{ |
133
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my @module_parts = split /::/, $find_package; |
134
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my @parent_module_parts = @module_parts; |
135
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pop @parent_module_parts; |
136
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137
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my @packages; |
138
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139
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foreach my $parts (\@parent_module_parts, \@module_parts) |
140
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{ |
141
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my $package = join '::', @{$parts}; |
142
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|
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|
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next unless (length $package); |
143
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|
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144
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eval "require $package"; |
145
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next if (length $@); |
146
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147
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push @packages, $package; |
148
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149
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my @isa = add_parent_classes($package); |
150
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151
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foreach my $isa (@isa) |
152
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{ |
153
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eval "require $isa"; |
154
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next if (length $@); |
155
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push @packages, $isa; |
156
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} ## end foreach my $isa (@isa) |
157
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} ## end foreach my $parts (\@parent_module_parts...) |
158
|
|
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159
|
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|
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foreach my $package (@packages) |
160
|
|
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|
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{ |
161
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my @parts = split /::/, $package; |
162
|
|
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|
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my $ref = \%{"${package}::"}; |
163
|
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164
|
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|
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foreach my $name (keys %{$ref}) |
165
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{ |
166
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next if $name =~ /^BEGIN|UNITCHECK|INIT|CHECK|END|VERSION|import|unimport$/; |
167
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168
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my $code_ref = $package->can($name); |
169
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next if (ref $code_ref ne 'CODE'); |
170
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my $defined_in = eval { B::svref_2object($code_ref)->GV->STASH->NAME }; |
171
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next if ($defined_in ne $package and not $package->isa($defined_in)); |
172
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173
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if ($find_package->isa($package)) |
174
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{ |
175
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push @{$functions{$find_package}}, $name; |
176
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} |
177
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|
else |
178
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{ |
179
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push @{$functions{$package}}, $name; |
180
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} |
181
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} ## end foreach my $name (keys %{$ref...}) |
182
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183
|
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|
|
# Unrequire packages |
184
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|
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my $package_path = $package =~ s/::/\//gr; |
185
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|
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|
|
$package_path .= '.pm'; |
186
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|
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delete $INC{$package_path}; |
187
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|
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|
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} ## end foreach my $package (@packages...) |
188
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|
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} ## end foreach my $find_package (@...) |
189
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|
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190
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|
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print $json->encode(\%functions); |
191
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print "\n"; |
192
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|
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|
|
} ## end while (my $packages_to_find...) |
193
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|
|
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|
194
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|
|
sub add_parent_classes |
195
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|
|
|
|
|
|
{ |
196
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|
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|
|
my ($package) = @_; |
197
|
|
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|
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|
198
|
|
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|
|
my @isa = eval "\@${package}::ISA"; |
199
|
|
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|
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|
|
return unless (scalar @isa); |
200
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|
|
|
|
|
|
|
201
|
|
|
|
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|
|
foreach my $isa (@isa) |
202
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|
|
|
|
|
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{ |
203
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|
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|
|
push @isa, add_parent_classes($isa); |
204
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|
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} |
205
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206
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return @isa; |
207
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} ## end sub add_parent_classes |
208
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EOF |
209
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210
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return $code; |
211
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} ## end sub get_package_symbols_code |
212
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213
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{ |
214
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my $code = <<'EOF'; |
215
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close STDERR; |
216
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217
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use IO::Handle; |
218
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4
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60
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use JSON::PP; |
219
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220
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STDOUT->autoflush(); |
221
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222
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my $json = JSON::PP->new->utf8; |
223
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4
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4
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0
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86
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224
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package ImportedPackageSymbols; |
225
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226
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my %mtimes; |
227
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my %inc; |
228
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my %symbol_cache; |
229
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230
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while (my $line = <STDIN>) |
231
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{ |
232
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my $imports = $json->decode($line); |
233
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234
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my %functions; |
235
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236
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foreach my $import (@{$imports}) |
237
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{ |
238
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if (-f $inc{$import->{module}} and $mtimes{$import->{use}} and (stat $inc{$import->{module}})[9] == $mtimes{$import->{use}} and ref $symbol_cache{$import->{use}} eq 'HASH') |
239
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{ |
240
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foreach my $subroutine (keys %{$symbol_cache{$import->{use}}}) |
241
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{ |
242
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$functions{$import->{module}}{$subroutine} = 1; |
243
|
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|
|
} |
244
|
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|
|
next; |
245
|
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|
|
} ## end if (-f $inc{$import->{...}}) |
246
|
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|
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247
|
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|
|
my %symbol_table_before = %ImportedPackageSymbols::; |
248
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|
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|
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|
|
eval $import->{use}; |
249
|
|
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|
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|
|
my %symbol_table_after = %ImportedPackageSymbols::; |
250
|
|
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|
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|
|
delete @symbol_table_after{keys %symbol_table_before}; |
251
|
|
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|
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|
|
252
|
|
|
|
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|
|
$functions{$import->{module}} = {}; |
253
|
|
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|
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|
|
254
|
|
|
|
|
|
|
foreach my $subroutine (keys %symbol_table_after) |
255
|
|
|
|
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|
|
{ |
256
|
|
|
|
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|
|
# Constants are created as scalar refs in the symbol table |
257
|
|
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|
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|
|
next if (ref $symbol_table_after{$subroutine} ne 'SCALAR' and ref $symbol_table_after{$subroutine} ne 'GLOB' and ref \($symbol_table_after{$subroutine}) ne 'GLOB'); |
258
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|
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|
|
next if ((ref $symbol_table_after{$subroutine} eq 'GLOB' or ref \($symbol_table_after{$subroutine}) eq 'GLOB') and ref *{$symbol_table_after{$subroutine}}{CODE} ne 'CODE'); |
259
|
|
|
|
|
|
|
$functions{$import->{module}}{$subroutine} = 1; |
260
|
|
|
|
|
|
|
} ## end foreach my $subroutine (keys...) |
261
|
|
|
|
|
|
|
|
262
|
|
|
|
|
|
|
# Reset symbol table and %INC |
263
|
|
|
|
|
|
|
%ImportedPackageSymbols:: = %symbol_table_before; |
264
|
|
|
|
|
|
|
my $module_path = $import->{module} =~ s/::/\//gr; |
265
|
|
|
|
|
|
|
$module_path .= '.pm'; |
266
|
|
|
|
|
|
|
|
267
|
|
|
|
|
|
|
$mtimes{$import->{use}} = (stat $INC{$module_path})[9]; |
268
|
|
|
|
|
|
|
$inc{$import->{module}} = $INC{$module_path}; |
269
|
|
|
|
|
|
|
$symbol_cache{$import->{use}} = $functions{$import->{module}}; |
270
|
|
|
|
|
|
|
|
271
|
|
|
|
|
|
|
delete $INC{$module_path}; |
272
|
|
|
|
|
|
|
} ## end foreach my $import (@{$imports...}) |
273
|
|
|
|
|
|
|
|
274
|
|
|
|
|
|
|
foreach my $module (keys %functions) |
275
|
|
|
|
|
|
|
{ |
276
|
|
|
|
|
|
|
$functions{$module} = [keys %{$functions{$module}}]; |
277
|
|
|
|
|
|
|
} |
278
|
|
|
|
|
|
|
|
279
|
|
|
|
|
|
|
print $json->encode(\%functions); |
280
|
|
|
|
|
|
|
print "\n"; |
281
|
|
|
|
|
|
|
} ## end while (my $line = <STDIN>...) |
282
|
|
|
|
|
|
|
EOF |
283
|
|
|
|
|
|
|
|
284
|
|
|
|
|
|
|
return $code; |
285
|
|
|
|
|
|
|
} ## end sub get_imported_package_symbols_code |
286
|
|
|
|
|
|
|
|
287
|
|
|
|
|
|
|
1; |