public object GetAsObject(LuaState luaState, int stackPos) { if (LuaLib.LuaType(luaState, stackPos) == LuaTypes.Table) { if (LuaLib.LuaLGetMetafield(luaState, stackPos, "__index")) { if (LuaLib.LuaLCheckMetatable(luaState, -1)) { LuaLib.LuaInsert(luaState, stackPos); LuaLib.LuaRemove(luaState, stackPos + 1); } else { LuaLib.LuaSetTop(luaState, -2); } } } object obj = translator.GetObject(luaState, stackPos); return(obj); }
internal ExtractValue CheckLuaType(LuaState luaState, int stackPos, Type paramType) { var luatype = LuaLib.LuaType(luaState, stackPos); if (paramType.IsByRef) { paramType = paramType.GetElementType(); } var underlyingType = Nullable.GetUnderlyingType(paramType); if (underlyingType != null) { paramType = underlyingType; // Silently convert nullable types to their non null requics } var extractKey = GetExtractDictionaryKey(paramType); bool netParamIsNumeric = paramType == typeof(int) || paramType == typeof(uint) || paramType == typeof(long) || paramType == typeof(ulong) || paramType == typeof(short) || paramType == typeof(ushort) || paramType == typeof(float) || paramType == typeof(double) || paramType == typeof(decimal) || paramType == typeof(byte); // If it is a nullable if (underlyingType != null) { // null can always be assigned to nullable if (luatype == LuaTypes.Nil) { // Return the correct extractor anyways if (netParamIsNumeric || paramType == typeof(bool)) { return(extractValues [extractKey]); } return(extractNetObject); } } if (paramType.Equals(typeof(object))) { return(extractValues [extractKey]); } //CP: Added support for generic parameters if (paramType.IsGenericParameter) { if (luatype == LuaTypes.Boolean) { return(extractValues [GetExtractDictionaryKey(typeof(bool))]); } else if (luatype == LuaTypes.String) { return(extractValues[GetExtractDictionaryKey(typeof(string))]); } else if (luatype == LuaTypes.Table) { return(extractValues [GetExtractDictionaryKey(typeof(LuaTable))]); } else if (luatype == LuaTypes.UserData) { return(extractValues [GetExtractDictionaryKey(typeof(object))]); } else if (luatype == LuaTypes.Function) { return(extractValues [GetExtractDictionaryKey(typeof(LuaFunction))]); } else if (luatype == LuaTypes.Number) { return(extractValues [GetExtractDictionaryKey(typeof(double))]); } } bool netParamIsString = paramType == typeof(string) || paramType == typeof(char []); if (netParamIsNumeric) { if (LuaLib.LuaIsNumber(luaState, stackPos) && !netParamIsString) { return(extractValues [extractKey]); } } else if (paramType == typeof(bool)) { if (LuaLib.LuaIsBoolean(luaState, stackPos)) { return(extractValues [extractKey]); } } else if (netParamIsString) { if (LuaLib.LuaNetIsStringStrict(luaState, stackPos)) { return(extractValues [extractKey]); } else if (luatype == LuaTypes.Nil) { return(extractNetObject); // kevinh - silently convert nil to a null string pointer } } else if (paramType == typeof(LuaTable)) { if (luatype == LuaTypes.Table || luatype == LuaTypes.Nil) { return(extractValues [extractKey]); } } else if (paramType == typeof(LuaUserData)) { if (luatype == LuaTypes.UserData || luatype == LuaTypes.Nil) { return(extractValues [extractKey]); } } else if (paramType == typeof(LuaFunction)) { if (luatype == LuaTypes.Function || luatype == LuaTypes.Nil) { return(extractValues [extractKey]); } } else if (typeof(Delegate).IsAssignableFrom(paramType) && luatype == LuaTypes.Function) { return(new ExtractValue(new DelegateGenerator(translator, paramType).ExtractGenerated)); } else if (paramType.IsInterface() && luatype == LuaTypes.Table) { return(new ExtractValue(new ClassGenerator(translator, paramType).ExtractGenerated)); } else if ((paramType.IsInterface() || paramType.IsClass()) && luatype == LuaTypes.Nil) { // kevinh - allow nil to be silently converted to null - extractNetObject will return null when the item ain't found return(extractNetObject); } else if (LuaLib.LuaType(luaState, stackPos) == LuaTypes.Table) { if (LuaLib.LuaLGetMetafield(luaState, stackPos, "__index")) { object obj = translator.GetNetObject(luaState, -1); LuaLib.LuaSetTop(luaState, -2); if (obj != null && paramType.IsAssignableFrom(obj.GetType())) { return(extractNetObject); } } else { return(null); } } else { object obj = translator.GetNetObject(luaState, stackPos); if (obj != null && paramType.IsAssignableFrom(obj.GetType())) { return(extractNetObject); } } return(null); }