Add flags field to CheckCaches for which checks to run

Add header file for CheckCaches

src/debug_desync.h

@@ -0,0 +1,25 @@
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file debug_desync.h Desync debugging. */
+
+#ifndef DEBUG_DESYNC_H
+#define DEBUG_DESYNC_H
+
+#include <functional>
+
+enum CheckCachesFlags : uint32 {
+	CHECK_CACHE_NONE               =       0,
+	CHECK_CACHE_GENERAL            = 1 <<  0,
+	CHECK_CACHE_INFRA_TOTALS       = 1 <<  1,
+	CHECK_CACHE_ALL                = UINT32_MAX,
+};
+DECLARE_ENUM_AS_BIT_SET(CheckCachesFlags)
+
+extern void CheckCaches(bool force_check, std::function<void(const char *)> log = nullptr, CheckCachesFlags flags = CHECK_CACHE_ALL);
+
+#endif /* DEBUG_DESYNC_H */