From bcafef8d01413c26281e1d6767683a89c74ac449 Mon Sep 17 00:00:00 2001
From: Zachary Snow <zach@zachjs.com>
Date: Mon, 30 Mar 2020 19:27:44 -0400
Subject: [PATCH] allow empty list_of_parameter_assignments

---
 src/Language/SystemVerilog/Parser/Parse.y | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Language/SystemVerilog/Parser/Parse.y b/src/Language/SystemVerilog/Parser/Parse.y
index c731960..da9f720 100644
--- a/src/Language/SystemVerilog/Parser/Parse.y
+++ b/src/Language/SystemVerilog/Parser/Parse.y
@@ -942,7 +942,8 @@ PortBinding :: { PortBinding }
   | ".*"                             { ("*", Nothing) }
 
 ParamBindings :: { [ParamBinding] }
-  : "#" "(" ParamBindingsInside ")" { $3 }
+  : "#" "("                     ")" { [] }
+  | "#" "(" ParamBindingsInside ")" { $3 }
 ParamBindingsInside :: { [ParamBinding] }
   : ParamBinding                         { [$1] }
   | ParamBinding "," ParamBindingsInside { $1 : $3}