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1 | package Object::Remote::FatNode; |
2 | |
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3 | #TODO If a file does not end in a new line by itself |
4 | #then fat node fails |
5 | |
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6 | use strictures 1; |
7 | use Config; |
8 | use B qw(perlstring); |
9 | |
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10 | my @exclude_mods = qw(XSLoader.pm DynaLoader.pm); |
11 | |
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12 | sub stripspace { |
13 | my ($text) = @_; |
14 | $text =~ /^(\s+)/ && $text =~ s/^$1//mg; |
15 | $text; |
16 | } |
17 | |
18 | my %maybe_libs = map +($_ => 1), grep defined, (values %Config, '.'); |
19 | |
20 | my @extra_libs = grep not(ref($_) or $maybe_libs{$_}), @INC; |
21 | |
22 | my $extra_libs = join '', map " -I$_\n", @extra_libs; |
23 | |
24 | my $command = qq( |
25 | $^X |
26 | $extra_libs |
27 | -mObject::Remote |
28 | -mObject::Remote::Connector::STDIO |
29 | -mCPS::Future |
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30 | -mMRO::Compat |
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31 | -mClass::C3 |
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32 | -mClass::C3::next |
33 | -mAlgorithm::C3 |
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34 | -mObject::Remote::ModuleLoader |
35 | -mObject::Remote::Node |
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36 | -mMethod::Generate::BuildAll |
37 | -mMethod::Generate::DemolishAll |
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38 | -mJSON::PP |
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39 | -e 'print join "\\n", \%INC' |
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40 | ); |
41 | |
42 | $command =~ s/\n/ /g; |
43 | |
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44 | chomp(my @inc = qx($command)); |
45 | |
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46 | my %exclude = map { $_ => 1 } @exclude_mods; |
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47 | my %mods = reverse @inc; |
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48 | |
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49 | foreach(keys(%mods)) { |
50 | if ($exclude{ $mods{$_} }) { |
51 | delete($mods{$_}); |
52 | } |
53 | } |
54 | |
55 | sub filter_not_core { |
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56 | not ( |
57 | /^\Q$Config{privlibexp}/ or /^\Q$Config{archlibexp}/ |
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58 | ) |
59 | } |
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60 | |
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61 | my @file_names = keys %mods; |
62 | my @before_inc = grep { filter_not_core() } @file_names; |
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63 | my @after_inc; |
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64 | |
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65 | my $env_pass = ''; |
66 | if (defined($ENV{OBJECT_REMOTE_LOG_LEVEL})) { |
67 | my $level = $ENV{OBJECT_REMOTE_LOG_LEVEL}; |
68 | return unless $level =~ /^\w+$/; |
69 | $env_pass = '$ENV{OBJECT_REMOTE_LOG_LEVEL} = "' . $level . "\";\n"; |
70 | } |
71 | |
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72 | my $start = stripspace <<'END_START'; |
73 | # This chunk of stuff was generated by Object::Remote::FatNode. To find |
74 | # the original file's code, look for the end of this BEGIN block or the |
75 | # string 'FATPACK' |
76 | BEGIN { |
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77 | my (%fatpacked,%fatpacked_extra); |
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78 | END_START |
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79 | |
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80 | $start .= 'my %exclude = map { $_ => 1 } (\'' . join("','", @exclude_mods) . "');\n"; |
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81 | |
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82 | my $end = stripspace <<'END_END'; |
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83 | s/^ //mg for values %fatpacked, values %fatpacked_extra; |
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84 | |
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85 | sub load_from_hash { |
86 | if (my $fat = $_[0]->{$_[1]}) { |
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87 | if ($exclude{$_[1]}) { |
88 | warn "Will not pre-load '$_[1]'"; |
89 | return undef; |
90 | } |
91 | |
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92 | #warn "Handling $_[1]"; |
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93 | open my $fh, '<', \$fat; |
94 | return $fh; |
95 | } |
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96 | |
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97 | #Uncomment this to find brokenness |
98 | #warn "Missing $_[1]"; |
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99 | return; |
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100 | } |
101 | |
102 | unshift @INC, sub { load_from_hash(\%fatpacked, $_[1]) }; |
103 | push @INC, sub { load_from_hash(\%fatpacked_extra, $_[1]) }; |
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104 | |
105 | } # END OF FATPACK CODE |
106 | |
107 | use strictures 1; |
108 | use Object::Remote::Node; |
109 | Object::Remote::Node->run; |
110 | END_END |
111 | |
112 | my %files = map +($mods{$_} => scalar do { local (@ARGV, $/) = ($_); <> }), |
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113 | @before_inc, @after_inc; |
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114 | |
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115 | sub generate_fatpack_hash { |
116 | my ($hash_name, $orig) = @_; |
117 | (my $stub = $orig) =~ s/\.pm$//; |
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118 | my $name = uc join '_', split '/', $stub; |
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119 | my $data = $files{$orig} or die $orig; $data =~ s/^/ /mg; |
120 | return '$'.$hash_name.'{'.perlstring($orig).qq!} = <<'${name}';\n! |
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121 | .qq!${data}${name}\n!; |
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122 | } |
123 | |
124 | my @segments = ( |
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125 | map(generate_fatpack_hash('fatpacked', $_), sort map $mods{$_}, @before_inc), |
126 | map(generate_fatpack_hash('fatpacked_extra', $_), sort map $mods{$_}, @after_inc), |
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127 | ); |
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128 | |
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129 | our $DATA = join "\n", $start, $env_pass, @segments, $end; |
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130 | |
131 | 1; |