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package Perl::PrereqScanner::NotQuiteLite::Parser::SyntaxCollector; |
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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 { return { |
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use => { |
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'Syntax::Collector' => 'parse_syntax_collector_args', |
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}, |
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}} |
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sub parse_syntax_collector_args { |
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my ($class, $c, $used_module, $raw_tokens) = @_; |
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my $tokens = convert_string_token_list($raw_tokens); |
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if (is_version($tokens->[0])) { |
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$c->add($used_module => shift @$tokens); |
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} |
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my $spec; |
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if (!(@$tokens % 2)) { |
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while(my ($key, $value) = splice @$tokens, 0, 2) { |
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my $keystr = ref $key ? $key->[0] : $key; |
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if ($keystr eq '-collect') { |
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$spec = $value; |
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last; |
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} |
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} |
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} else { |
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$spec = $tokens->[0]; |
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} |
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if (ref $spec) { |
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$spec = $spec->[0]; |
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} |
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return unless $spec; |
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my @features = |
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map { |
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m{^ |
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(use|no) \s+ # "use" or "no" |
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(\S+) \s+ # module name |
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([\d\._v]+) # module version |
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(?: # everything else |
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\s* (.+) |
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)? # ... perhaps |
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[;] \s* # semicolon |
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$}x |
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? [$1, $2, $3, [ defined($4) ? eval "($4)" : ()] ] |
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: die("Line q{$_} doesn't conform to 'use MODULE VERSION [ARGS];'") |
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} |
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grep { ! m/^#/ } # not a comment |
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grep { m/[A-Z0-9]/i } # at least one alphanum |
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map { s/(^\s+)|(\s+$)//; $_ } # trim |
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map { split /(\r?\n|\r)/ } # split lines |
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$spec; |
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for my $feature (@features) { |
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$c->add($feature->[1], $feature->[2]); |
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} |
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} |
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1; |
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__END__ |