/// <summary>
/// Walk over a type to create a value.
/// </summary>
/// <param name="visitor">The type visitor object.</param>
/// <param name="type">The type.</param>
/// <typeparam name="T">The return type.</typeparam>
/// <returns>A value.</returns>
internal static T ApplyTypeVisitor <T>(ITypeVisitor <T> visitor, Type type)
{
if (type == BoolType)
{
return(visitor.VisitBool());
}
if (type == ByteType)
{
return(visitor.VisitByte());
}
if (type == ShortType)
{
return(visitor.VisitShort());
}
if (type == UshortType)
{
return(visitor.VisitUshort());
}
if (type == IntType)
{
return(visitor.VisitInt());
}
if (type == UintType)
{
return(visitor.VisitUint());
}
if (type == LongType)
{
return(visitor.VisitLong());
}
if (type == UlongType)
{
return(visitor.VisitUlong());
}
if (type == BigIntType)
{
return(visitor.VisitBigInteger());
}
if (type == StringType)
{
return(visitor.VisitString());
}
if (IsFixedIntegerType(type))
{
return(visitor.VisitFixedInteger(type));
}
if (IsOptionType(type))
{
var t = type.GetGenericArguments()[0];
return(visitor.VisitOption(ty => ApplyTypeVisitor(visitor, ty), type, t));
}
if (IsTupleType(type))
{
var tleft = type.GetGenericArguments()[0];
var tright = type.GetGenericArguments()[1];
return(visitor.VisitTuple(ty => ApplyTypeVisitor(visitor, ty), type, tleft, tright));
}
if (IsValueTupleType(type))
{
var tleft = type.GetGenericArguments()[0];
var tright = type.GetGenericArguments()[1];
return(visitor.VisitValueTuple(ty => ApplyTypeVisitor(visitor, ty), type, tleft, tright));
}
if (IsIListType(type))
{
var t = type.GetGenericArguments()[0];
return(visitor.VisitList(ty => ApplyTypeVisitor(visitor, ty), type, t));
}
if (IsIDictionaryType(type))
{
var args = type.GetGenericArguments();
var tkey = args[0];
var tvalue = args[1];
return(visitor.VisitDictionary(ty => ApplyTypeVisitor(visitor, ty), type, tkey, tvalue));
}
if (IsListType(type) || IsDictionaryType(type))
{
throw new InvalidOperationException($"Unsupported object field type: {type}");
}
// some class or struct
var dict = new SortedDictionary <string, Type>();
foreach (var field in GetAllFields(type))
{
dict[field.Name] = field.FieldType;
}
foreach (var property in GetAllProperties(type))
{
dict[property.Name] = property.PropertyType;
}
return(visitor.VisitObject(t => ApplyTypeVisitor(visitor, t), type, dict));
}