Improve Game and HalfMoves memory management

src/game_tab/Game.cpp

@@ -22,6 +22,12 @@ Game::Game(HalfMove *m, std::string initial_fen): result("*") {
   board = chessarbiter::FENParser::Parse(initial_fen).board;
 }
 
+Game::~Game() {
+  if (moves != NULL) {
+    delete moves;
+  }
+}
+
 std::string Game::GetBoard() { return (board); }
 
 std::string Game::GetTag(std::string tagname) { return (tags[tagname]); }

src/game_tab/Game.hpp

@@ -18,7 +18,7 @@ public:
   Game();
   Game(std::string fen);
   Game(HalfMove *m, std::string initial_fen);
-
+  ~Game();
   std::string GetBoard();
   std::string GetTag(std::string tagname);
   void SetTag(std::string tagname, std::string value);

src/game_tab/GameTab.cpp

@@ -30,6 +30,10 @@ GameTab::GameTab(wxFrame *parent, Game *game)
   Bind(GAME_CHANGE, &GameTab::OnGameChange, this, wxID_ANY);
 }
 
+GameTab::~GameTab() {
+  delete game;
+}
+
 void GameTab::OnGameChange(wxCommandEvent &event) {
   board_panel->Notify();
   editor_panel->Notify();

src/game_tab/GameTab.hpp

@@ -17,12 +17,14 @@ class GameTab : public wxPanel, public TabInfos {
   GameTabRightPanel *editor_panel;
   GameTabLeftPanel *board_panel;
   Game *game;
+
   void RefreshLabel();
   void OnRefreshTabTitle(wxCommandEvent &event);
   void OnGameChange(wxCommandEvent &event);
 
 public:
   GameTab(wxFrame *parent, Game *game);
+  ~GameTab();
   void ApplyPreferences();
   void *GetGame() { return (game); }
   void *GetBase() { return (NULL); };

src/game_tab/HalfMove.cpp

@@ -10,6 +10,9 @@ HalfMove::HalfMove(std::string move, std::string fen) : fen(fen), capture(' ') {
 }
 
 HalfMove::~HalfMove() {
+  if (mainline != NULL) {
+    delete mainline;
+  }
   for (HalfMove *m : variations) {
     delete m;
   }

src/ochess.hpp

@@ -11,6 +11,7 @@
 #include <wx/filefn.h> // Check file exists etc
 #include <wx/log.h>
 #include "gui.h"
+#include <memory>
 
 #define MAINWIN ((MainWindow *)wxGetApp().GetTopWindow())