public void GenerateWriterMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
// arg0: Serializer, arg1: Stream, arg2: value
var fields = Yardımcılar.GetFieldInfos(type);
foreach (var field in fields)
{
// Note: the user defined value type is not passed as reference. could cause perf problems with big structs
var fieldType = field.FieldType;
var data = ctx.GetTypeDataForCall(fieldType);
if (data.NeedsInstanceParameter)
{
il.Emit(OpCodes.Ldarg_0);
}
il.Emit(OpCodes.Ldarg_1);
if (type.IsValueType)
{
il.Emit(OpCodes.Ldarga_S, 2);
}
else
{
il.Emit(OpCodes.Ldarg_2);
}
il.Emit(OpCodes.Ldfld, field);
il.Emit(OpCodes.Call, data.WriterMethodInfo);
}
il.Emit(OpCodes.Ret);
}
public void GenerateReaderMethod(Type type, CodeGenContext ctx, ILGenerator il)
{
// arg0: Serializer, arg1: stream, arg2: out value
if (type.IsClass)
{
// instantiate empty class
il.Emit(OpCodes.Ldarg_2);
var gtfh = typeof(Type).GetMethod("GetTypeFromHandle", BindingFlags.Public | BindingFlags.Static);
var guo = typeof(System.Runtime.Serialization.FormatterServices).GetMethod("GetUninitializedObject", BindingFlags.Public | BindingFlags.Static);
il.Emit(OpCodes.Ldtoken, type);
il.Emit(OpCodes.Call, gtfh);
il.Emit(OpCodes.Call, guo);
il.Emit(OpCodes.Castclass, type);
il.Emit(OpCodes.Stind_Ref);
}
var fields = Yardımcılar.GetFieldInfos(type);
foreach (var field in fields)
{
var fieldType = field.FieldType;
var data = ctx.GetTypeDataForCall(fieldType);
if (data.NeedsInstanceParameter)
{
il.Emit(OpCodes.Ldarg_0);
}
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldarg_2);
if (type.IsClass)
{
il.Emit(OpCodes.Ldind_Ref);
}
il.Emit(OpCodes.Ldflda, field);
il.Emit(OpCodes.Call, data.ReaderMethodInfo);
}
if (typeof(System.Runtime.Serialization.IDeserializationCallback).IsAssignableFrom(type))
{
var miOnDeserialization = typeof(System.Runtime.Serialization.IDeserializationCallback).GetMethod("OnDeserialization",
BindingFlags.Instance | BindingFlags.Public,
null, new[] { typeof(Object) }, null);
il.Emit(OpCodes.Ldarg_2);
il.Emit(OpCodes.Ldnull);
il.Emit(OpCodes.Constrained, type);
il.Emit(OpCodes.Callvirt, miOnDeserialization);
}
il.Emit(OpCodes.Ret);
}
public IEnumerable <Type> GetSubtypes(Type type)
{
var fields = Yardımcılar.GetFieldInfos(type);
foreach (var field in fields)
{
yield return(field.FieldType);
}
}