From 79c7f927fc97b392b0829e25c2f17c29af0156c4 Mon Sep 17 00:00:00 2001
From: Jake Bailey <5341706+jakebailey@users.noreply.github.com>
Date: Fri, 8 Nov 2019 14:30:18 -0800
Subject: [PATCH] Log parse exceptions instead of just throwing them away
 (#1777)

(cherry picked from commit 1c9f8fe51c1e2fd5e0e562dfd20a324ca7c88cda)
---
 src/Analysis/Ast/Impl/Modules/PythonModule.cs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/Analysis/Ast/Impl/Modules/PythonModule.cs b/src/Analysis/Ast/Impl/Modules/PythonModule.cs
index ecd422062..9f92e1f94 100644
--- a/src/Analysis/Ast/Impl/Modules/PythonModule.cs
+++ b/src/Analysis/Ast/Impl/Modules/PythonModule.cs
@@ -340,7 +340,16 @@ private void Parse() {
             _linkedParseCts = CancellationTokenSource.CreateLinkedTokenSource(_disposeToken.CancellationToken, _parseCts.Token);
 
             ContentState = State.Parsing;
-            _parsingTask = Task.Run(() => Parse(_linkedParseCts.Token), _linkedParseCts.Token);
+            _parsingTask = Task.Run(() => ParseAndLogExceptions(_linkedParseCts.Token), _linkedParseCts.Token);
+        }
+
+        private void ParseAndLogExceptions(CancellationToken cancellationToken) {
+            try {
+                Parse(cancellationToken);
+            } catch (Exception ex) when (!(ex is OperationCanceledException)) {
+                Log?.Log(TraceEventType.Warning, $"Exception while parsing {FilePath}: {ex}");
+                throw;
+            }
         }
 
         private void Parse(CancellationToken cancellationToken) {