private void InstantiateCollection(TypeDefinition typeDef, MethodDefinition[] constructors, PropertyDefinition propDef) {
var constructor = constructors.First();
if (constructors.Length > 1) {
constructor = constructors.SingleOrDefault(s => !s.HasParameters && !s.IsStatic);
if (constructor == null) {
this.Log.Error("Type " + typeDef.FullName + " does not have a parameterless constructor for instantiating collections in");
}
}
var insertIdx = constructor.Body.Instructions.Count - 1;
constructor.Body.Instructions.Insert(insertIdx++, Instruction.Create(OpCodes.Nop));
constructor.Body.Instructions.Insert(insertIdx++, Instruction.Create(OpCodes.Ldarg_0));
constructor.Body.Instructions.Insert(
insertIdx++,
Instruction.Create(
OpCodes.Newobj,
MakeGeneric(
typeDef.Module.Import(
typeDef.Module.Import(typeof(List<>))
.MakeGenericInstanceType(propDef.PropertyType)
.Resolve()
.GetConstructors()
.First(c => !c.HasParameters)),
((GenericInstanceType)propDef.PropertyType).GenericArguments.First())));
constructor.Body.Instructions.Insert(insertIdx, Instruction.Create(OpCodes.Call, propDef.SetMethod));
}