From c9ad5430d03d8c7d1be4dd7f1cc8b948bc4076d8 Mon Sep 17 00:00:00 2001
From: Jordan Woyak <jordan.woyak@gmail.com>
Date: Thu, 7 Nov 2024 11:51:11 -0600
Subject: InputCommon: Fix input expression assignment operator behavior.

---
 Source/Core/InputCommon/ControlReference/ExpressionParser.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'Source/Core/InputCommon/ControlReference/ExpressionParser.h')

diff --git a/Source/Core/InputCommon/ControlReference/ExpressionParser.h b/Source/Core/InputCommon/ControlReference/ExpressionParser.h
index af24900d52..a7dfff9feb 100644
--- a/Source/Core/InputCommon/ControlReference/ExpressionParser.h
+++ b/Source/Core/InputCommon/ControlReference/ExpressionParser.h
@@ -170,10 +170,13 @@ class Expression
 {
 public:
   virtual ~Expression() = default;
-  virtual ControlState GetValue() const = 0;
+  virtual ControlState GetValue() = 0;
   virtual void SetValue(ControlState state) = 0;
   virtual int CountNumControls() const = 0;
   virtual void UpdateReferences(ControlEnvironment& finder) = 0;
+
+  // Perform any side effects and return Expression to be SetValue'd.
+  virtual Expression* GetLValue();
 };
 
 class ParseResult
-- 
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