A little more work on getclass and classname

luprex/cpp/core/source.cpp

@@ -29,18 +29,42 @@ LuaDefine(makeclass, "classname", "create a class if it doesn't already exist")
     return LS.result();
 }
 
-LuaDefine(getclass, "x", "get a class table") {
-    LuaArg classname;
+LuaDefine(getclass, "x",
+    "|Get the class table of X."
+    "|"
+    "|The object passed in can be:"
+    "|"
+    "|  * A valid class table."
+    "|  * A valid, existing class name."
+    "|  * A tangible that has a class."
+    "|  * A normal table with a class metatable."
+    "|"
+    "|On success, returns the class table."
+    "|On failure, throws an error."
+    ) {
+    LuaArg input;
     LuaRet classtab;
-    LuaDefStack LS(L, classname, classtab);
-    eng::string err = LS.getclass(classtab, classname);
-    if (err != "") {
+    LuaDefStack LS(L, input, classtab);
+    eng::string err = LS.getclass(classtab, input);
+    if (!err.empty()) {
         luaL_error(L, "%s", err.c_str());
     }
     return LS.result();
 }
 
-LuaDefine(classname, "x", "get a class name") {
+LuaDefine(classname, "x",
+    "|Get the class name of X."
+    "|"
+    "|The object passed in can be:"
+    "|"
+    "|  * A valid class table."
+    "|  * A valid, existing class name."
+    "|  * A tangible that has a class."
+    "|  * A normal table with a class metatable."
+    "|"
+    "|If the object is none of these, returns empty string."
+    "|This function does not throw errors."
+    ) {
     LuaArg table;
     LuaRet result;
     LuaDefStack LS(L, table, result);