From 7080645d20adc20a025b99ccd116575901165af5 Mon Sep 17 00:00:00 2001
From: hjk <hjk@theqtcompany.com>
Date: Thu, 14 Apr 2016 10:38:35 +0200
Subject: [PATCH] Debugger: Clean pending lookup requests when preparing a step

This avoids accumulating lookup requests when stepping quickly.
They won't produce usable output anymore.

Change-Id: I9e29ca1778019e3eab37d122386d3faf0e07edbf
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>
---
 src/plugins/debugger/qml/qmlengine.cpp | 6 ++++++
 src/plugins/debugger/qml/qmlengine.h   | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/src/plugins/debugger/qml/qmlengine.cpp b/src/plugins/debugger/qml/qmlengine.cpp
index 28464b35a88..e60af006903 100644
--- a/src/plugins/debugger/qml/qmlengine.cpp
+++ b/src/plugins/debugger/qml/qmlengine.cpp
@@ -768,6 +768,12 @@ void QmlEngine::insertBreakpoint(Breakpoint bp)
     d->breakpointsSync.insert(d->sequence, bp.id());
 }
 
+void QmlEngine::resetLocation()
+{
+    DebuggerEngine::resetLocation();
+    d->currentlyLookingUp.clear();
+}
+
 void QmlEngine::removeBreakpoint(Breakpoint bp)
 {
     const BreakpointParameters &params = bp.parameters();
diff --git a/src/plugins/debugger/qml/qmlengine.h b/src/plugins/debugger/qml/qmlengine.h
index 2ace561a565..139b48941b3 100644
--- a/src/plugins/debugger/qml/qmlengine.h
+++ b/src/plugins/debugger/qml/qmlengine.h
@@ -80,6 +80,8 @@ private:
     bool isSynchronous() const override { return false; }
     bool canDisplayTooltip() const override { return false; }
 
+    void resetLocation() override;
+
     void executeStep() override;
     void executeStepOut() override;
     void executeNext() override;