public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
ctx.LoadValue(valueFrom);
ctx.CastToObject(type);
ctx.LoadReaderWriter();
ctx.LoadValue(ctx.MapMetaKeyToCompiledKey(key));
if (type == ctx.MapType(typeof(object))) ctx.LoadNullRef();
else ctx.LoadValue(type);
ctx.LoadValue((int)options);
ctx.EmitCall(ctx.MapType(typeof(BclHelpers)).GetMethod("ReadNetObject"));
ctx.CastFromObject(type);
}
public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
ctx.LoadValue(valueFrom);
ctx.CastToObject(type);
ctx.LoadReaderWriter();
ctx.LoadValue(key);
if (type == typeof(object))
{
ctx.LoadNullRef();
}
else
{
ctx.LoadValue(type);
}
ctx.LoadValue((int)options);
ctx.EmitCall(typeof(BclHelpers).GetMethod("ReadNetObject"));
ctx.CastFromObject(type);
}
void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
if (!EmitDedicatedMethod(ctx, valueFrom, true))
{
ctx.LoadValue(valueFrom);
if (type.IsValueType) ctx.CastToObject(type);
ctx.LoadValue(key);
ctx.LoadReaderWriter();
ctx.EmitCall(typeof(ProtoReader).GetMethod("ReadObject"));
ctx.CastFromObject(type);
}
}
void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
if (!EmitDedicatedMethod(ctx, valueFrom, true))
{
ctx.LoadValue(valueFrom);
if (type.IsValueType) ctx.CastToObject(type);
ctx.LoadValue(ctx.MapMetaKeyToCompiledKey(key)); // re-map for formality, but would expect identical, else dedicated method
ctx.LoadReaderWriter();
ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("ReadObject"));
ctx.CastFromObject(type);
}
}
public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local incoming)
{
bool issueReferenceDirectives = !baseTupleAsReference && asReference;
Compiler.CodeLabel @end = ctx.DefineLabel();
using (Compiler.Local tupleKey = new Compiler.Local(ctx, typeof(int)))
using (Compiler.Local oldTuple = new Compiler.Local(ctx, typeof(object)))
using (Compiler.Local objValue = ctx.GetLocalWithValue(ExpectedType, incoming))
{
Compiler.Local[] locals = new Compiler.Local[members.Length];
try
{
if (issueReferenceDirectives)
{
//int tupleKey = 0;
ctx.LoadValue(0);
ctx.StoreValue(tupleKey);
//object oldTuple = null;
ctx.LoadNullRef();
ctx.StoreValue(oldTuple);
//tupleKey = (int)source.ReadUInt32();
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadUInt32"));
//ctx.CastToObject(typeof (int));
ctx.StoreValue(tupleKey);
Compiler.CodeLabel @objectNotFound = ctx.DefineLabel();
ctx.LoadValue(tupleKey);
ctx.LoadValue(0);
ctx.BranchIfEqual(@objectNotFound, true);
//// return source.NetCache.GetKeyedObject(tupleKey);
ctx.LoadReaderWriter();
ctx.LoadValue(typeof (ProtoReader).GetProperty("NetCache"));
ctx.LoadValue(tupleKey);
ctx.EmitCall(typeof (NetObjectCache).GetMethod("GetKeyedObject"));
ctx.CastFromObject(ExpectedType);
ctx.StoreValue(objValue);
ctx.Branch(@end, false);
ctx.MarkLabel(@objectNotFound);
ctx.EmitCtor(typeof (object));
ctx.StoreValue(oldTuple);
// tupleKey = source.NetCache.AddObjectKey(oldTuple, out dummy);
using (Compiler.Local dummy = new Compiler.Local(ctx, typeof (bool)))
{
ctx.LoadReaderWriter();
ctx.LoadValue(typeof (ProtoReader).GetProperty("NetCache"));
ctx.LoadValue(oldTuple);
ctx.LoadAddress(dummy, typeof (bool));
ctx.EmitCall(typeof (NetObjectCache).GetMethod("AddObjectKey", new Type[] { typeof(object), typeof(bool).MakeByRefType() }));
ctx.StoreValue(tupleKey);
}
}
for (int i = 0; i < locals.Length; i++)
{
Type type = GetMemberType(i);
bool store = true;
locals[i] = new Compiler.Local(ctx, type);
if (!ExpectedType.IsValueType)
{
// value-types always read the old value
if (type.IsValueType)
{
switch (Helpers.GetTypeCode(type))
{
case ProtoTypeCode.Boolean:
case ProtoTypeCode.Byte:
case ProtoTypeCode.Int16:
case ProtoTypeCode.Int32:
case ProtoTypeCode.SByte:
case ProtoTypeCode.UInt16:
case ProtoTypeCode.UInt32:
ctx.LoadValue(0);
break;
case ProtoTypeCode.Int64:
case ProtoTypeCode.UInt64:
ctx.LoadValue(0L);
break;
case ProtoTypeCode.Single:
ctx.LoadValue(0.0F);
break;
case ProtoTypeCode.Double:
ctx.LoadValue(0.0D);
break;
case ProtoTypeCode.Decimal:
ctx.LoadValue(0M);
break;
case ProtoTypeCode.Guid:
ctx.LoadValue(Guid.Empty);
break;
default:
ctx.LoadAddress(locals[i], type);
ctx.EmitCtor(type);
store = false;
break;
}
}
else
{
ctx.LoadNullRef();
}
if (store)
{
ctx.StoreValue(locals[i]);
}
}
}
Compiler.CodeLabel skipOld = ExpectedType.IsValueType
? new Compiler.CodeLabel()
: ctx.DefineLabel();
if (!ExpectedType.IsValueType)
{
ctx.LoadAddress(objValue, ExpectedType);
ctx.BranchIfFalse(skipOld, false);
}
for (int i = 0; i < members.Length; i++)
{
ctx.LoadAddress(objValue, ExpectedType);
switch (members[i].MemberType)
{
case MemberTypes.Field:
ctx.LoadValue((FieldInfo) members[i]);
break;
case MemberTypes.Property:
ctx.LoadValue((PropertyInfo) members[i]);
break;
}
ctx.StoreValue(locals[i]);
}
if (!ExpectedType.IsValueType) ctx.MarkLabel(skipOld);
using (Compiler.Local fieldNumber = new Compiler.Local(ctx, typeof (int)))
using (Compiler.Local j = new Compiler.Local(ctx, typeof (int)))
{
// j = 0
ctx.LoadValue(0);
ctx.StoreValue(j);
Compiler.CodeLabel @continue = ctx.DefineLabel(),
processField = ctx.DefineLabel(),
notRecognised = ctx.DefineLabel(),
@endWhileLoop = ctx.DefineLabel();
ctx.Branch(@continue, false);
Compiler.CodeLabel[] handlers = new Compiler.CodeLabel[members.Length];
for (int i = 0; i < members.Length; i++)
{
handlers[i] = ctx.DefineLabel();
}
ctx.MarkLabel(processField);
ctx.LoadValue(fieldNumber);
ctx.LoadValue(1);
ctx.Subtract(); // jump-table is zero-based
ctx.Switch(handlers);
// and the default:
ctx.Branch(notRecognised, false);
for (int i = 0; i < handlers.Length; i++)
{
ctx.MarkLabel(handlers[i]);
IProtoSerializer tail = tails[i];
Compiler.Local oldValIfNeeded = tail.RequiresOldValue ? locals[i] : null;
ctx.ReadNullCheckedTail(locals[i].Type, tail, oldValIfNeeded);
if (tail.ReturnsValue)
{
if (locals[i].Type.IsValueType)
{
ctx.StoreValue(locals[i]);
}
else
{
Compiler.CodeLabel hasValue = ctx.DefineLabel(), allDone = ctx.DefineLabel();
ctx.CopyValue();
ctx.BranchIfTrue(hasValue, true); // interpret null as "don't assign"
ctx.DiscardValue();
ctx.Branch(allDone, true);
ctx.MarkLabel(hasValue);
ctx.StoreValue(locals[i]);
ctx.MarkLabel(allDone);
}
}
ctx.Branch(@continue, false);
}
ctx.MarkLabel(notRecognised);
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("SkipField"));
ctx.MarkLabel(@continue);
// j < values.Length
ctx.LoadValue(j);
ctx.LoadValue(members.Length);
ctx.BranchIfGreaterOrEqual(@endWhileLoop, false);
//j++
ctx.LoadValue(j);
ctx.LoadValue(1);
ctx.Add();
ctx.StoreValue(j);
// source.ReadNextFieldHack() > 0
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadNextFieldHack"));
ctx.LoadValue(0);
ctx.BranchIfLessOrEqual(@endWhileLoop, true);
// field = source.ReadFieldHeader();
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadFieldHeader"));
ctx.StoreValue(fieldNumber);
ctx.Branch(processField, false);
ctx.MarkLabel(@endWhileLoop);
}
for (int i = 0; i < locals.Length; i++)
{
ctx.LoadValue(locals[i]);
}
ctx.EmitCtor(ctor);
ctx.StoreValue(objValue);
if (issueReferenceDirectives)
{
//source.NetCache.UpdateKeyedObject(tupleKey, oldTuple, result);
ctx.LoadReaderWriter();
ctx.LoadValue(typeof (ProtoReader).GetProperty("NetCache"));
ctx.LoadValue(tupleKey);
ctx.LoadValue(oldTuple);
ctx.LoadValue(objValue);
ctx.CastToObject(ExpectedType);
ctx.EmitCall(typeof (NetObjectCache).GetMethod("UpdateKeyedObject"));
}
if (forceIssueFakeHeader)
{
//source.ReadEndGroupFieldHeaderHack();
ctx.LoadReaderWriter();
ctx.EmitCall(typeof (ProtoReader).GetMethod("ReadEndGroupFieldHeaderHack"));
}
ctx.MarkLabel(@end);
ctx.LoadValue(objValue);
}
finally
{
for (int i = 0; i < locals.Length; i++)
{
if (locals[i] != null)
locals[i].Dispose(); // release for re-use
}
}
}
}