public static IEnumerable <CodeInstruction> ConvertToOurInstructions(IEnumerable instructions, List <object> originalInstructions, Dictionary <object, Dictionary <string, object> > unassignedValues)
{
var result = new List <CodeInstruction>();
var newInstructions = instructions.Cast <object>().ToList();
var index = -1;
foreach (var op in newInstructions)
{
index++;
var elementTo = new CodeInstruction(OpCodes.Nop, null);
Traverse.IterateFields(op, elementTo, (trvFrom, trvDest) => trvDest.SetValue(trvFrom.GetValue()));
if (unassignedValues.TryGetValue(op, out var fields))
{
var addExceptionInfo = ShouldAddExceptionInfo(op, index, originalInstructions, newInstructions, unassignedValues);
var trv = Traverse.Create(elementTo);
foreach (var field in fields)
{
if (addExceptionInfo || field.Key != nameof(CodeInstruction.blocks))
{
trv.Field(field.Key).SetValue(field.Value);
}
}
}
yield return(elementTo);
}
}
private static object ConvertBlock(object originalBlock, Type type)
{
var block = Activator.CreateInstance(type);
Traverse.IterateFields(originalBlock, block, (trvFrom, trvDest) => trvDest.SetValue(trvFrom.GetValue()));
return(block);
}
public static IEnumerable ConvertInstructions(Type type, IEnumerable enumerable)
{
var enumerableAssembly = type.GetGenericTypeDefinition().Assembly;
var genericListType = enumerableAssembly.GetType(typeof(List <>).FullName);
var elementType = type.GetGenericArguments()[0];
var listType = enumerableAssembly.GetType(genericListType.MakeGenericType(new Type[] { elementType }).FullName);
var list = Activator.CreateInstance(listType);
var listAdd = list.GetType().GetMethod("Add");
foreach (var op in enumerable)
{
var elementTo = Activator.CreateInstance(elementType, new object[] { OpCodes.Nop, null });
Traverse.IterateFields(op, elementTo, (trvFrom, trvDest) => trvDest.SetValue(trvFrom.GetValue()));
listAdd.Invoke(list, new object[] { elementTo });
}
return(list as IEnumerable);
}
/// <summary>Makes a deep copy of any object</summary>
/// <param name="source">The original object</param>
/// <param name="resultType">The type of the instance that should be created</param>
/// <param name="processor">Optional value transformation function (taking a field name and src/dst traverse objects)</param>
/// <param name="pathRoot">The optional path root to start with</param>
/// <returns>The copy of the original object</returns>
///
public static object MakeDeepCopy(object source, Type resultType, Func <string, Traverse, Traverse, object> processor = null, string pathRoot = "")
{
if (source == null)
{
return(null);
}
var type = source.GetType();
if (type.IsPrimitive)
{
return(source);
}
if (type.IsEnum)
{
return(Enum.ToObject(resultType, (int)source));
}
if (type.IsGenericType && resultType.IsGenericType)
{
var addOperation = FirstMethod(resultType, m => m.Name == "Add" && m.GetParameters().Count() == 1);
if (addOperation != null)
{
var addableResult = Activator.CreateInstance(resultType);
var addInvoker = MethodInvoker.GetHandler(addOperation);
var newElementType = resultType.GetGenericArguments()[0];
var i = 0;
foreach (var element in source as IEnumerable)
{
var iStr = (i++).ToString();
var path = pathRoot.Length > 0 ? pathRoot + "." + iStr : iStr;
var newElement = MakeDeepCopy(element, newElementType, processor, path);
addInvoker(addableResult, new object[] { newElement });
}
return(addableResult);
}
// TODO: add dictionaries support
// maybe use methods in Dictionary<KeyValuePair<TKey,TVal>>
}
if (type.IsArray && resultType.IsArray)
{
var elementType = resultType.GetElementType();
var length = ((Array)source).Length;
var arrayResult = Activator.CreateInstance(resultType, new object[] { length }) as object[];
var originalArray = source as object[];
for (var i = 0; i < length; i++)
{
var iStr = i.ToString();
var path = pathRoot.Length > 0 ? pathRoot + "." + iStr : iStr;
arrayResult[i] = MakeDeepCopy(originalArray[i], elementType, processor, path);
}
return(arrayResult);
}
var ns = type.Namespace;
if (ns == "System" || (ns?.StartsWith("System.") ?? false))
{
return(source);
}
var result = CreateInstance(resultType);
Traverse.IterateFields(source, result, (name, src, dst) =>
{
var path = pathRoot.Length > 0 ? pathRoot + "." + name : name;
var value = processor != null ? processor(path, src, dst) : src.GetValue();
dst.SetValue(MakeDeepCopy(value, dst.GetValueType(), processor, path));
});
return(result);
}
