From a5bd2e2442eb59def58f68a9df566a4229631030 Mon Sep 17 00:00:00 2001
From: Andrew Summers <oasummerso@gmail.com>
Date: Sat, 7 Mar 2020 10:15:18 -0600
Subject: [PATCH] Fix exception when short format fails.

---
 lib/dialyxir/formatter.ex | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/lib/dialyxir/formatter.ex b/lib/dialyxir/formatter.ex
index 68c70905..3bdc2edb 100644
--- a/lib/dialyxir/formatter.ex
+++ b/lib/dialyxir/formatter.ex
@@ -205,10 +205,18 @@ defmodule Dialyxir.Formatter do
   defp filter_warning(filterer, warning = {_, {file, line}, {warning_type, _}}, filter_map) do
     if Map.has_key?(Dialyxir.Warnings.warnings(), warning_type) do
       {skip?, matching_filters} =
-        filterer.filter_warning?(
-          {to_string(file), warning_type, line, format_warning(warning, :short)},
-          filter_map
-        )
+        try do
+          filterer.filter_warning?(
+            {to_string(file), warning_type, line, format_warning(warning, :short)},
+            filter_map
+          )
+        rescue
+          _ ->
+            {false, []}
+        catch
+          _ ->
+            {false, []}
+        end
 
       filter_map =
         Enum.reduce(matching_filters, filter_map, fn filter, filter_map ->