private static void CreatePackArrayProceduresCore(Type targetType, SerializerEmitter emitter, CollectionTraits traits)
{
var il = emitter.GetPackToMethodILGenerator();
var localHolder = new LocalVariableHolder(il);
try
{
// Array
if (targetType.IsArray)
{
/*
* // array
* packer.PackArrayHeader( length );
* for( int i = 0; i < length; i++ )
* {
* this._serializer.PackTo( packer, collection[ i ] );
* }
*/
var length = localHolder.PackingCollectionCount;
il.EmitAnyLdarg(2);
il.EmitLdlen();
il.EmitAnyStloc(length);
il.EmitAnyLdarg(1);
il.EmitAnyLdloc(length);
il.EmitAnyCall(Metadata._Packer.PackArrayHeader);
il.EmitPop();
Emittion.EmitFor(
il,
length,
(il0, i) =>
Emittion.EmitSerializeValue(
emitter,
il0,
1,
traits.ElementType,
null,
NilImplication.MemberDefault,
il1 =>
{
il1.EmitAnyLdarg(2);
il1.EmitAnyLdloc(i);
il1.EmitLdelem(traits.ElementType);
},
localHolder
)
);
}
else if (traits.CountProperty == null)
{
/*
* array = collection.ToArray();
* packer.PackArrayHeader( length );
* for( int i = 0; i < length; i++ )
* {
* this._serializer.PackTo( packer, array[ i ] );
* }
*/
var array = localHolder.GetSerializingCollection(traits.ElementType.MakeArrayType());
EmitLoadTarget(targetType, il, 2);
il.EmitAnyCall(Metadata._Enumerable.ToArray1Method.MakeGenericMethod(traits.ElementType));
il.EmitAnyStloc(array);
var length = localHolder.PackingCollectionCount;
il.EmitAnyLdloc(array);
il.EmitLdlen();
il.EmitAnyStloc(length);
il.EmitAnyLdarg(1);
il.EmitAnyLdloc(length);
il.EmitAnyCall(Metadata._Packer.PackArrayHeader);
il.EmitPop();
Emittion.EmitFor(
il,
length,
(il0, i) =>
Emittion.EmitSerializeValue(
emitter,
il0,
1,
traits.ElementType,
null,
NilImplication.MemberDefault,
il1 =>
{
il1.EmitAnyLdloc(array);
il1.EmitAnyLdloc(i);
il1.EmitLdelem(traits.ElementType);
},
localHolder
)
);
}
else
{
/*
* // Enumerable
* packer.PackArrayHeader( collection.Count );
* foreach( var item in list )
* {
* this._serializer.PackTo( packer, array[ i ] );
* }
*/
var collection = localHolder.GetSerializingCollection(targetType);
// This instruction always ldarg, not to be ldarga
il.EmitAnyLdarg(2);
il.EmitAnyStloc(collection);
var count = localHolder.PackingCollectionCount;
EmitLoadTarget(targetType, il, 2);
il.EmitGetProperty(traits.CountProperty);
il.EmitAnyStloc(count);
il.EmitAnyLdarg(1);
il.EmitAnyLdloc(count);
il.EmitAnyCall(Metadata._Packer.PackArrayHeader);
il.EmitPop();
Emittion.EmitForEach(
il,
traits,
collection,
(il0, getCurrentEmitter) =>
Emittion.EmitSerializeValue(
emitter,
il0,
1,
traits.ElementType,
null,
NilImplication.MemberDefault,
_ => getCurrentEmitter(),
localHolder
)
);
}
il.EmitRet();
}
finally
{
il.FlushTrace();
}
}
