gfx https://blog.hatena.ne.jp/gfx/ Islands in the byte stream (legacy) https://gfx.hatenadiary.org/ これは特筆すべき特徴だと思う。ヒアドキュメントもちゃんと処理できる。 require "ripper" require "pp" src = <<'END' def foo p [<<-"A", <<-"B"] Hello, %{"Ruby"} world! A one, two three B end END pp Ripper.lex(src) 結果: [[[1, 0], :on_kw, "def"], [[1, 3], :on_sp, " "], [[1, 4], :on_ident, "foo"], [[1, 7], :on_nl, "\n"], [[2, 0], :on_sp, " … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgfx.hatenadiary.org%2Fentry%2F20130901%2F1378020614" title=" Rubyは標準ライブラリにRuby lexer/parserがあるのがいい - Islands in the byte stream (legacy)" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2013-09-01 16:30:14 rich https://gfx.hatenadiary.org/entry/20130901/1378020614 1.0 100%