From ad085640bc9c1f9e511a1d823041507deea67771 Mon Sep 17 00:00:00 2001
From: Thibault Jeandet <tjeandet@broadinstitute.org>
Date: Tue, 21 Feb 2017 09:25:09 -0500
Subject: [PATCH] update grammar file to match Cromwell supported WDL version

---
 grammar.hgr | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/grammar.hgr b/grammar.hgr
index 1bbbc63..063c06a 100644
--- a/grammar.hgr
+++ b/grammar.hgr
@@ -130,7 +130,11 @@ grammar {
       r'>=' -> :gteq
       r'>' -> :gt
       r'!' -> :not
-
+      enum {
+        python: r'\?'
+        java: "\\?"
+        javascript: "\\?"
+      } -> :qmark
       # Literals
       enum {
         python: r'"([^\\\"\n]|\\[\\"\'nrbtfav\?]|\\[0-7]{1,3}|\\x[0-9a-fA-F]+|\\[uU]([0-9a-fA-F]{4})([0-9a-fA-F]{4})?)*"'