implement CodeDiffTool Feature

Add Diff button to CodeWidget
Add Code Diff Tool window for recording and differencing functions. Allows finding specific functions based on when they run.

Source/Core/DolphinQt/Debugger/CodeDiffDialog.h

@@ -0,0 +1,71 @@
+// Copyright 2022 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QDialog>
+#include <string>
+#include <vector>
+#include "Common/CommonTypes.h"
+
+class CodeWidget;
+class QLabel;
+class QPushButton;
+class QTableWidget;
+
+struct Diff
+{
+  u32 addr;
+  std::string symbol;
+  u32 hits;
+  u32 total_hits;
+
+  bool operator<(const std::string& val) const { return symbol < val; }
+};
+
+class CodeDiffDialog : public QDialog
+{
+  Q_OBJECT
+
+public:
+  explicit CodeDiffDialog(CodeWidget* parent);
+  void reject() override;
+
+private:
+  void CreateWidgets();
+  void ConnectWidgets();
+  void ClearData();
+  void ClearBlockCache();
+  void OnClickItem();
+  void OnRecord(bool enabled);
+  std::vector<Diff> CalculateSymbolsFromProfile();
+  void OnInclude();
+  void OnExclude();
+  void RemoveMissingSymbolsFromIncludes(const std::vector<Diff>& symbol_diff);
+  void RemoveMatchingSymbolsFromIncludes(const std::vector<Diff>& symbol_list);
+  void Update(bool include);
+  void InfoDisp();
+
+  void OnContextMenu();
+
+  void OnGoTop();
+  void OnDelete();
+  void OnSetBLR();
+
+  void UpdateItem();
+
+  QTableWidget* m_matching_results_table;
+  QLabel* m_exclude_size_label;
+  QLabel* m_include_size_label;
+  QPushButton* m_exclude_btn;
+  QPushButton* m_include_btn;
+  QPushButton* m_record_btn;
+  QPushButton* m_reset_btn;
+  QPushButton* m_help_btn;
+  CodeWidget* m_code_widget;
+
+  std::vector<Diff> m_exclude;
+  std::vector<Diff> m_include;
+  bool m_failed_requirements = false;
+  bool m_include_active = false;
+};