[parsers] Newick tree format (used in bioinformatics)

L. Grondin · L. Grondin · commit 343cb993dd32 · 2012-12-07T13:26:28.000+01:00
diff --git a/parsers/Newick.pm b/parsers/Newick.pm
@@ -0,0 +1,12 @@
+#| Newick tree format. L<https://en.wikipedia.org/wiki/Newick_format>
+grammar Newick {
+    rule TOP { <node> ';' }
+    token node {
+        <name>
+        | '(' ~ ')' <node>+ % ',' <name>?
+    }
+    token name { <.ident>+ }
+}
+
+# vim: ft=perl6
+
