diff options
| -rw-r--r-- | ext/ripper/lib/ripper/lexer.rb | 2 | ||||
| -rw-r--r-- | test/ripper/test_lexer.rb | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/ext/ripper/lib/ripper/lexer.rb b/ext/ripper/lib/ripper/lexer.rb index 8222684b65..f6051c6341 100644 --- a/ext/ripper/lib/ripper/lexer.rb +++ b/ext/ripper/lib/ripper/lexer.rb @@ -136,7 +136,7 @@ class Ripper end @buf.flatten! unless (result = @buf).empty? - result.concat(@buf) until (@buf = []; super(); @buf.empty?) + result.concat(@buf) until (@buf = []; super(); @buf.flatten!; @buf.empty?) end result end diff --git a/test/ripper/test_lexer.rb b/test/ripper/test_lexer.rb index 79cb194e5b..d0389f7c96 100644 --- a/test/ripper/test_lexer.rb +++ b/test/ripper/test_lexer.rb @@ -216,4 +216,16 @@ class TestRipper::Lexer < Test::Unit::TestCase end end end + + def test_lex_with_syntax_error_and_heredo + bug = '[Bug #17644]' + s = <<~EOF + foo + end + <<~EOS + bar + EOS + EOF + assert_equal([[5, 0], :on_heredoc_end, "EOS\n", state(:EXPR_BEG)], Ripper.lex(s).last, bug) + end end |