[ruby/rdoc] Fix polynominal backtracking
Fix https://github.com/ruby/rdoc/pull/995 https://github.com/ruby/rdoc/commit/adfa7db5b9
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@ -2134,7 +2134,7 @@ class RDoc::Parser::Ruby < RDoc::Parser
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if :on_nl == tk[:kind] or (:on_kw == tk[:kind] && 'def' == tk[:text]) then
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if :on_nl == tk[:kind] or (:on_kw == tk[:kind] && 'def' == tk[:text]) then
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return
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return
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elsif :on_comment == tk[:kind] or :on_embdoc == tk[:kind] then
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elsif :on_comment == tk[:kind] or :on_embdoc == tk[:kind] then
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return unless tk[:text] =~ /\s*:?([\w-]+):\s*(.*)/
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return unless tk[:text] =~ /:?\b([\w-]+):\s*(.*)/
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directive = $1.downcase
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directive = $1.downcase
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@ -3350,6 +3350,13 @@ end
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assert_equal :on_const, parser.get_tk[:kind]
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assert_equal :on_const, parser.get_tk[:kind]
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end
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end
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def test_read_directive_linear_performance
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pre = ->(i) {util_parser '# ' + '0'*i + '=000:'}
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assert_linear_performance((1..5).map{|i|10**i}, pre: pre) do |parser|
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assert_nil parser.read_directive []
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end
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end
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def test_read_documentation_modifiers
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def test_read_documentation_modifiers
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c = RDoc::Context.new
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c = RDoc::Context.new
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