86 lines
2.5 KiB
Perl
86 lines
2.5 KiB
Perl
package Perl::PrereqScanner::NotQuiteLite::Parser::PackageVariant;
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use strict;
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use warnings;
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use Perl::PrereqScanner::NotQuiteLite::Util;
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sub register {{
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use => {
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'Package::Variant' => 'parse_package_variant_args',
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},
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}}
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sub parse_package_variant_args {
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my ($class, $c, $used_module, $raw_tokens) = @_;
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my $tokens = convert_string_tokens($raw_tokens);
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while(my $token = shift @$tokens) {
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if (ref $token and $token->[0] eq 'importing') {
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shift @$tokens if @$tokens && $tokens->[0][1] eq 'COMMA';
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my $next_token = shift @$tokens or last;
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if (!ref $next_token) {
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my $module = $next_token;
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if (is_module_name($module)) {
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$c->add($module);
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if ($c->has_callback_for(use => $module)) {
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$c->run_callback_for('use', $module, [["use", "KEYWORD"], [$module, "WORD"], [";", ";"]]);
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}
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}
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}
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elsif ($next_token->[1] eq '[]') {
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my $modules = convert_string_token_list($next_token->[0]);
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while(my $module = shift @$modules) {
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next unless is_module_name($module);
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$c->add($module);
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if ($c->has_callback_for(use => $module)) {
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$c->run_callback_for('use', $module, [["use", "KEYWORD"], [$module, "WORD"], [";", ";"]]);
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}
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}
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} elsif ($next_token->[1] eq '{}') {
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my $hash_tokens = convert_string_token_list($next_token->[0]);
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while(my $module = shift @$hash_tokens) {
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my $arg = shift @$hash_tokens;
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my @args = $arg->[1] eq '[]' ? @{$arg->[0]} : $arg;
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$c->add($module);
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if ($c->has_callback_for(use => $module)) {
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$c->run_callback_for('use', $module, [["use", "KEYWORD"], [$module, "WORD"], @args, [";", ";"]]);
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}
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}
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}
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}
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elsif (ref $token && !ref $token->[0] && $token->[1] eq 'WORD') {
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shift @$tokens if @$tokens && $tokens->[0][1] eq 'COMMA';
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shift @$tokens if @$tokens;
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}
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shift @$tokens if @$tokens && ref $tokens->[0] && $tokens->[0][1] eq 'COMMA';
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}
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}
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1;
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__END__
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=encoding utf-8
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=head1 NAME
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Perl::PrereqScanner::NotQuiteLite::Parser::PackageVariant
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=head1 DESCRIPTION
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This parser is to deal with modules loaded by L<Package::Variant>.
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=head1 AUTHOR
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Kenichi Ishigaki, E<lt>ishigaki@cpan.orgE<gt>
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=head1 COPYRIGHT AND LICENSE
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This software is copyright (c) 2018 by Kenichi Ishigaki.
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This is free software; you can redistribute it and/or modify it under
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the same terms as the Perl 5 programming language system itself.
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=cut
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