diff options
| -rw-r--r-- | ext/ripper/lib/ripper/lexer.rb | 2 | ||||
| -rw-r--r-- | test/ripper/test_lexer.rb | 24 |
2 files changed, 25 insertions, 1 deletions
diff --git a/ext/ripper/lib/ripper/lexer.rb b/ext/ripper/lib/ripper/lexer.rb index 669314ad92..350b513c25 100644 --- a/ext/ripper/lib/ripper/lexer.rb +++ b/ext/ripper/lib/ripper/lexer.rb @@ -67,7 +67,7 @@ class Ripper def on_heredoc_dedent(v, w) @buf.last.each do |e| - if e.event == :on_tstring_content + if Elem === e and e.event == :on_tstring_content if (n = dedent_string(e.tok, w)) > 0 e.pos[1] += n end diff --git a/test/ripper/test_lexer.rb b/test/ripper/test_lexer.rb new file mode 100644 index 0000000000..2ec66cd592 --- /dev/null +++ b/test/ripper/test_lexer.rb @@ -0,0 +1,24 @@ +# frozen_string_literal: true +begin + require_relative 'dummyparser' + require 'test/unit' + ripper_test = true + module TestRipper; end +rescue LoadError +end + +class TestRipper::Lexer < Test::Unit::TestCase + def test_nested_dedent_heredoc + bug = '[ruby-core:80977] [Bug #13536]' + str = <<~'E' + <<~"D" + #{ + <<~"B" + this must be a valid ruby + B + } + D + E + assert_equal(str, Ripper.tokenize(str).join(""), bug) + end +end |