/// <summary>
/// Visits a particular field's recursive generic arguments
/// and creates a new specialization based on the results.
/// </summary>
/// <param name="field">The field to visit.</param>
/// <returns>A visited field.</returns>
public IField Visit(IField field)
{
var parentType = field.ParentType;
var newParentType = Visit(parentType);
if (!object.Equals(
newParentType.GetRecursiveGenericDeclaration(),
parentType.GetRecursiveGenericDeclaration()))
{
throw new InvalidOperationException(
"Cannot replace parent type of field '" + field.FullName.ToString() +
"' by unrelated type '" + newParentType.FullName.ToString() + "'.");
}
if (newParentType is TypeSpecialization)
{
return(IndirectFieldSpecialization.Create(
field.GetRecursiveGenericDeclaration(),
(TypeSpecialization)newParentType));
}
else
{
return(field.GetRecursiveGenericDeclaration());
}
}
private static IndirectFieldSpecialization InitializeInstance(
IndirectFieldSpecialization field)
{
field.FieldType = field.parentTy.InstantiatingVisitor.Visit(
field.Declaration.FieldType);
field.FullName = field.Declaration.Name.Qualify(
field.parentTy.FullName);
return(field);
}
private IReadOnlyList <IField> CreateFields()
{
var declFields = Declaration.Fields;
var fields = new IField[declFields.Count];
for (int i = 0; i < fields.Length; i++)
{
fields[i] = IndirectFieldSpecialization.Create(declFields[i], this);
}
return(fields);
}