/// <summary>
/// Parses the type signature.
/// </summary>
private Type parseTypeSignature(TypeSignature signature)
{
try
{
if (!string.IsNullOrEmpty(signature.Postfix))
{
return(processPostfix(parseTypeSignature(signature.Arguments[0]), signature.Postfix));
}
var name = signature.Name;
var hasArgs = signature.Arguments != null && signature.Arguments.Length > 0;
if (hasArgs)
{
name += "`" + signature.Arguments.Length;
}
if (TypeAliases.ContainsKey(name))
{
return(TypeAliases[name]);
}
var type = findType(name);
return(hasArgs
? GenericHelper.MakeGenericTypeChecked(type, signature.Arguments.Select(parseTypeSignature).ToArray())
: type);
}
catch (ArgumentException ex)
{
throw new LensCompilerException(ex.Message, signature);
}
}
/// <summary>
/// Wraps a type into a specific postfix.
/// </summary>
private static Type processPostfix(Type type, string postfix)
{
if (postfix == "[]")
{
return(type.MakeArrayType());
}
if (postfix == "~")
{
return(GenericHelper.MakeGenericTypeChecked(typeof(IEnumerable <>), type));
}
if (postfix == "?")
{
return(GenericHelper.MakeGenericTypeChecked(typeof(Nullable <>), type));
}
throw new ArgumentException(string.Format("Unknown postfix '{0}'!", postfix));
}