From 308eec217860d19ec9bbc06e277c2abfc5789df9 Mon Sep 17 00:00:00 2001
From: Karthik Nadig <kanadig@microsoft.com>
Date: Fri, 2 Mar 2018 19:28:01 -0800
Subject: [PATCH] Checks for isErrorOnEval before responding to evaluate
 requests

---
 ptvsd/wrapper.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ptvsd/wrapper.py b/ptvsd/wrapper.py
index 37c5afae..3e905071 100644
--- a/ptvsd/wrapper.py
+++ b/ptvsd/wrapper.py
@@ -777,6 +777,13 @@ class VSCodeMessageProcessor(ipcjson.SocketIO, ipcjson.IpcChannel):
         xml = untangle.parse(resp_args).xml
         xvar = xml.var
 
+        if xvar['isErrorOnEval']=='True':
+            self.send_response(
+                request,
+                result=None,
+                variablesReference=0)
+            return
+
         pyd_var = (pyd_tid, pyd_fid, 'EXPRESSION', expr)
         vsc_var = self.var_map.to_vscode(pyd_var, autogen=True)
         response = {