ControllerInterface: Add RemoveDevice()

This adds RemoveDevice() to ControllerInterface, fixes ExpressionParser
and some other code to support device removals without crashing,
and adds an IsValid() method to Device, to prepare for hotplugging.

1 files changed, 1 insertions, 0 deletions

diff --git a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
index 24f92fd3c1..198a2c180b 100644
--- a/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
+++ b/Source/Core/InputCommon/ControllerInterface/ControllerInterface.h
@@ -122,6 +122,7 @@ public:
   void Reinitialize();
   void Shutdown();
   void AddDevice(std::shared_ptr<ciface::Core::Device> device);
+  void RemoveDevice(std::function<bool(const ciface::Core::Device*)> callback);
   bool IsInit() const { return m_is_init; }
   void UpdateReference(ControlReference* control,
                        const ciface::Core::DeviceQualifier& default_device) const;