private static void EmitUnpackMembersFromArray(SerializerEmitter emitter, TracingILGenerator unpackerIL, SerializingMember[] entries, LocalBuilder result, LocalVariableHolder localHolder)
{
LocalBuilder itemsCount = localHolder.ItemsCount;
LocalBuilder local = unpackerIL.DeclareLocal(typeof(int), "unpacked");
Emittion.EmitGetUnpackerItemsCountAsInt32(unpackerIL, 1, localHolder);
unpackerIL.EmitAnyStloc(itemsCount);
for (int i = 0; i < entries.Length; i++)
{
Label endOfDeserialization = unpackerIL.DefineLabel("END_IF");
Label target = unpackerIL.DefineLabel("ELSE");
unpackerIL.EmitAnyLdloc(local);
unpackerIL.EmitAnyLdloc(itemsCount);
unpackerIL.EmitBlt(target);
if (entries[i].Member != null)
{
Emittion.EmitNilImplication(unpackerIL, 1, entries[i].Contract.Name, entries[i].Contract.NilImplication, endOfDeserialization, localHolder);
}
unpackerIL.EmitBr(endOfDeserialization);
unpackerIL.MarkLabel(target);
if (entries[i].Member == null)
{
Emittion.EmitGeneralRead(unpackerIL, 1);
}
else if (UnpackHelpers.IsReadOnlyAppendableCollectionMember(entries[i].Member))
{
Emittion.EmitDeserializeCollectionValue(emitter, unpackerIL, 1, result, entries[i].Member, entries[i].Member.GetMemberValueType(), entries[i].Contract.NilImplication, localHolder);
}
else
{
Emittion.EmitDeserializeValue(emitter, unpackerIL, 1, result, entries[i], localHolder);
}
unpackerIL.EmitAnyLdloc(local);
unpackerIL.EmitLdc_I4_1();
unpackerIL.EmitAdd();
unpackerIL.EmitAnyStloc(local);
unpackerIL.MarkLabel(endOfDeserialization);
}
}
private static void EmitUnpackMembersFromArray(SerializerEmitter emitter, TracingILGenerator unpackerIL, SerializingMember[] entries, LocalBuilder result, LocalVariableHolder localHolder)
{
/*
* int unpacked = 0;
* int itemsCount = unpacker.ItemsCount;
*
* :
* if( unpacked == itemsCount )
* {
* HandleNilImplication(...);
* }
* else
* {
* #if PRIMITIVE
* if( !unpacker.ReadT( out local1 ) )
* {
* throw SerializationExceptions.NewUnexpectedEndOfStreamMethod();
* }
* #else
* if( !unpacker.Read() )
* {
* throw SerializationExceptions.NewUnexpectedEndOfStreamMethod();
* }
*
* local1 = this._serializer1.Unpack
* #endif
* unpacked++;
* }
* :
*/
// TODO: Supports ExtensionObject like round-tripping.
var itemsCount = localHolder.ItemsCount;
var unpacked = unpackerIL.DeclareLocal(typeof(int), "unpacked");
Emittion.EmitGetUnpackerItemsCountAsInt32(unpackerIL, 1, localHolder);
unpackerIL.EmitAnyStloc(itemsCount);
for (int i = 0; i < entries.Length; i++)
{
var endIf0 = unpackerIL.DefineLabel("END_IF");
var else0 = unpackerIL.DefineLabel("ELSE");
unpackerIL.EmitAnyLdloc(unpacked);
unpackerIL.EmitAnyLdloc(itemsCount);
unpackerIL.EmitBlt(else0);
// Tail missing member handling.
if (entries[i].Member != null)
{
// Respect nil implication.
Emittion.EmitNilImplication(unpackerIL, 1, entries[i].Contract.Name, entries[i].Contract.NilImplication, endIf0, localHolder);
}
unpackerIL.EmitBr(endIf0);
unpackerIL.MarkLabel(else0);
if (entries[i].Member == null)
{
Emittion.EmitGeneralRead(unpackerIL, 1);
// Ignore undefined member -- Nop.
}
else if (UnpackHelpers.IsReadOnlyAppendableCollectionMember(entries[i].Member))
{
Emittion.EmitDeserializeCollectionValue(
emitter,
unpackerIL,
1,
result,
entries[i].Member,
entries[i].Member.GetMemberValueType(),
entries[i].Contract.NilImplication,
localHolder
);
}
else
{
Emittion.EmitDeserializeValue(
emitter,
unpackerIL,
1,
result,
entries[i],
localHolder
);
}
unpackerIL.EmitAnyLdloc(unpacked);
unpackerIL.EmitLdc_I4_1();
unpackerIL.EmitAdd();
unpackerIL.EmitAnyStloc(unpacked);
unpackerIL.MarkLabel(endIf0);
}
}