Modernize lua read (part 2 & 3): C++ templating assurance (#7410)

* Modernize lua read (part 2 & 3): C++ templating assurance

Implement the boolean reader
Implement the string reader
Also remove unused & unimplemented script_error_handler
Add a reader with default value

1 files changed, 2 insertions, 14 deletions

diff --git a/src/script/lua_api/l_base.h b/src/script/lua_api/l_base.h
index d0160f03b..12c1a86cc 100644
--- a/src/script/lua_api/l_base.h
+++ b/src/script/lua_api/l_base.h
@@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include "common/c_types.h"
 #include "common/c_internal.h"
+#include "common/helper.h"
 #include "gamedef.h"
 
 extern "C" {
@@ -37,7 +38,7 @@ class Server;
 class Environment;
 class GUIEngine;
 
-class ModApiBase {
+class ModApiBase : protected LuaHelper {
 
 public:
 	static ScriptApiBase*   getScriptApiBase(lua_State *L);
@@ -69,17 +70,4 @@ public:
 			const char* name,
 			lua_CFunction func,
 			int top);
-
-	static bool isNaN(lua_State *L, int idx);
-
-	/**
-	 * Read a value using a template type T from Lua State L and index
-	 *
-	 * @tparam T type to read from Lua
-	 * @param L Lua state
-	 * @param index Lua Index to read
-	 * @return read value from Lua
-	 */
-	template<typename T>
-	static T readParam(lua_State *L, int index);
 };