From 4acf2a1df1c149c66c1ba6903b5708c7c1adaa66 Mon Sep 17 00:00:00 2001
From: David Schulz <david.schulz@qt.io>
Date: Wed, 23 Jan 2019 13:00:49 +0100
Subject: [PATCH] LSP: clear message buffer after everything was parsed

...otherwise it grows endlessly

Change-Id: I5e59a8ac07677d422fe55b3fb760ab3d148fc358
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
---
 src/plugins/languageclient/baseclient.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/plugins/languageclient/baseclient.cpp b/src/plugins/languageclient/baseclient.cpp
index fa057f62641..b4a8eef5259 100644
--- a/src/plugins/languageclient/baseclient.cpp
+++ b/src/plugins/languageclient/baseclient.cpp
@@ -800,6 +800,11 @@ void BaseClient::parseData(const QByteArray &data)
         }
         m_currentMessage = BaseMessage();
     }
+    if (m_buffer.atEnd()) {
+        m_buffer.close();
+        m_buffer.setData(nullptr);
+        m_buffer.open(QIODevice::ReadWrite | QIODevice::Append);
+    }
 }
 
 StdIOClient::StdIOClient(const QString &executable, const QString &arguments)