public static string GetLexeme(this TokenCode value)
{
FieldInfo fieldInfo = value.GetType().GetField(value.ToString());
if (fieldInfo == null)
{
return(null);
}
var attribute = (LexemeAttribute)fieldInfo.GetCustomAttribute(typeof(LexemeAttribute));
return(attribute.Text);
}
public static Token expect(TokenCode code)
{
Token token = get();
if (token.code == code)
{
forget(); return(token);
}
// Else error: token 'code' expected but not found
error(token, "not-found", code.ToString());
return(null);
}