ConfigParser: ConfigMistake

ConfigParser.cs

@@ -146,6 +146,21 @@ class ConfigParseAttributeException: ConfigException
 			(Reason==null?".":$": {Reason}.");
 	}
 }
+class ConfigMistake: ConfigException
+{
+	public ConfigValue Value;
+	public string Text;
+	public ConfigMistake(ConfigValue value, string text)
+	{
+		Value = value;
+		Text = text;
+	}
+	public override string ErrorString()
+	{
+		string name = Value.Section.SectionName != null ? $"{Value.Section.SectionName}: {Value.Key}" : Value.Key;
+		return $"{Value.Line}: {Value.FullName}: {Text}";
+	}
+}
 
 class ConfigValue
 {