protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (Compiler.Local oldValue = ctx.GetLocalWithValue(expectedType, valueFrom))
using (Compiler.Local token = new Compiler.Local(ctx, ctx.MapType(typeof(SubItemToken))))
using (Compiler.Local field = new Compiler.Local(ctx, ctx.MapType(typeof(int))))
{
ctx.LoadReaderWriter();
ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("StartSubItem"));
ctx.StoreValue(token);
Compiler.CodeLabel next = ctx.DefineLabel(), processField = ctx.DefineLabel(), end = ctx.DefineLabel();
ctx.MarkLabel(next);
ctx.EmitBasicRead("ReadFieldHeader", ctx.MapType(typeof(int)));
ctx.CopyValue();
ctx.StoreValue(field);
ctx.LoadValue(Tag); // = 1 - process
ctx.BranchIfEqual(processField, true);
ctx.LoadValue(field);
ctx.LoadValue(1); // < 1 - exit
ctx.BranchIfLess(end, false);
// default: skip
ctx.LoadReaderWriter();
ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("SkipField"));
ctx.Branch(next, true);
// process
ctx.MarkLabel(processField);
if (Tail.RequiresOldValue)
{
if (Helpers.IsValueType(expectedType))
{
ctx.LoadAddress(oldValue, expectedType);
ctx.EmitCall(expectedType.GetMethod("GetValueOrDefault", Helpers.EmptyTypes));
}
else
{
ctx.LoadValue(oldValue);
}
}
Tail.EmitRead(ctx, null);
// note we demanded always returns a value
if (Helpers.IsValueType(expectedType))
{
ctx.EmitCtor(expectedType, Tail.ExpectedType); // re-nullable<T> it
}
ctx.StoreValue(oldValue);
ctx.Branch(next, false);
// outro
ctx.MarkLabel(end);
ctx.LoadValue(token);
ctx.LoadReaderWriter();
ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("EndSubItem"));
ctx.LoadValue(oldValue); // load the old value
}
}
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
if (setSpecified == null)
{
Tail.EmitRead(ctx, valueFrom);
return;
}
using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom))
{
Tail.EmitRead(ctx, loc);
ctx.LoadAddress(loc, ExpectedType);
ctx.LoadValue(1); // true
ctx.EmitCall(setSpecified);
}
}
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom))
{
ctx.LoadAddress(loc, ExpectedType);
if (Tail.RequiresOldValue)
{
ctx.CopyValue();
ctx.LoadValue(field);
}
// value is either now on the stack or not needed
ctx.ReadNullCheckedTail(field.FieldType, Tail, null);
// stack is now the return value
ctx.StoreValue(field);
}
}
protected override void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
if (getSpecified == null)
{
Tail.EmitWrite(ctx, valueFrom);
return;
}
using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom))
{
ctx.LoadAddress(loc, ExpectedType);
ctx.EmitCall(getSpecified);
Compiler.CodeLabel done = ctx.DefineLabel();
ctx.BranchIfFalse(done, false);
Tail.EmitWrite(ctx, loc);
ctx.MarkLabel(done);
}
}
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom))
{
ctx.LoadAddress(loc, ExpectedType);
if (Tail.RequiresOldValue)
{
ctx.CopyValue();
ctx.LoadValue(field);
}
// value is either now on the stack or not needed
ctx.ReadNullCheckedTail(field.FieldType, Tail, null);
if (Tail.ReturnsValue)
{
if (field.FieldType.IsValueType)
{
// stack is now the return value
ctx.StoreValue(field);
}
else
{
Compiler.CodeLabel hasValue = ctx.DefineLabel(), allDone = ctx.DefineLabel();
ctx.CopyValue();
ctx.BranchIfTrue(hasValue, true); // interpret null as "don't assign"
// no value, discard
ctx.DiscardValue();
ctx.DiscardValue();
ctx.Branch(allDone, true);
ctx.MarkLabel(hasValue);
ctx.StoreValue(field);
ctx.MarkLabel(allDone);
}
}
else
{
ctx.DiscardValue();
}
}
}
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom))
{
if (Tail.RequiresOldValue)
{
ctx.LoadAddress(loc, ExpectedType);
ctx.LoadValue(field);
}
// value is either now on the stack or not needed
ctx.ReadNullCheckedTail(field.FieldType, Tail, null);
if (Tail.ReturnsValue)
{
using (Compiler.Local newVal = new Compiler.Local(ctx, field.FieldType))
{
ctx.StoreValue(newVal);
if (Helpers.IsValueType(field.FieldType))
{
ctx.LoadAddress(loc, ExpectedType);
ctx.LoadValue(newVal);
ctx.StoreValue(field);
}
else
{
Compiler.CodeLabel allDone = ctx.DefineLabel();
ctx.LoadValue(newVal);
ctx.BranchIfFalse(allDone, true); // interpret null as "don't assign"
ctx.LoadAddress(loc, ExpectedType);
ctx.LoadValue(newVal);
ctx.StoreValue(field);
ctx.MarkLabel(allDone);
}
}
}
}
}
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
bool writeValue;
SanityCheck(ctx.Model, property, Tail, out writeValue, ctx.NonPublic, ctx.AllowInternal(property));
if (ExpectedType.IsValueType && valueFrom == null)
{
throw new InvalidOperationException("Attempt to mutate struct on the head of the stack; changes would be lost");
}
using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom))
{
if (Tail.RequiresOldValue)
{
ctx.LoadAddress(loc, ExpectedType); // stack is: old-addr
ctx.LoadValue(property); // stack is: old-value
}
Type propertyType = property.PropertyType;
ctx.ReadNullCheckedTail(propertyType, Tail, null); // stack is [new-value]
if (writeValue)
{
using (Compiler.Local newVal = new Compiler.Local(ctx, property.PropertyType))
{
ctx.StoreValue(newVal); // stack is empty
Compiler.CodeLabel allDone = new Compiler.CodeLabel(); // <=== default structs
if (!propertyType.IsValueType)
{ // if the tail returns a null, intepret that as *no assign*
allDone = ctx.DefineLabel();
ctx.LoadValue(newVal); // stack is: new-value
ctx.BranchIfFalse(@allDone, true); // stack is empty
}
// assign the value
ctx.LoadAddress(loc, ExpectedType); // parent-addr
ctx.LoadValue(newVal); // parent-obj|new-value
if (shadowSetter == null)
{
ctx.StoreValue(property); // empty
}
else
{
ctx.EmitCall(shadowSetter); // empty
}
if (!propertyType.IsValueType)
{
ctx.MarkLabel(allDone);
}
}
}
else
{ // don't want return value; drop it if anything there
// stack is [new-value]
if (Tail.ReturnsValue) { ctx.DiscardValue(); }
}
}
}
public void EmitRead(Compiler.CompilerContext ctx, Compiler.Local incoming)
{
using (Compiler.Local objValue = ctx.GetLocalWithValue(ExpectedType, incoming))
{
Compiler.Local[] locals = new Compiler.Local[members.Length];
try
{
for (int i = 0; i < locals.Length; i++)
{
Type type = GetMemberType(i);
bool store = true;
locals[i] = new Compiler.Local(ctx, type);
if (!Helpers.IsValueType(ExpectedType))
{
// value-types always read the old value
if (Helpers.IsValueType(type))
{
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 = Helpers.IsValueType(ExpectedType)
? new Compiler.CodeLabel()
: ctx.DefineLabel();
if (!Helpers.IsValueType(ExpectedType))
{
ctx.LoadAddress(objValue, ExpectedType);
ctx.BranchIfFalse(skipOld, false);
}
for (int i = 0; i < members.Length; i++)
{
ctx.LoadAddress(objValue, ExpectedType);
if (members[i] is FieldInfo)
{
ctx.LoadValue((FieldInfo)members[i]);
}
else if (members[i] is PropertyInfo)
{
ctx.LoadValue((PropertyInfo)members[i]);
}
ctx.StoreValue(locals[i]);
}
if (!Helpers.IsValueType(ExpectedType)) ctx.MarkLabel(skipOld);
using (Compiler.Local fieldNumber = new Compiler.Local(ctx, ctx.MapType(typeof(int))))
{
Compiler.CodeLabel @continue = ctx.DefineLabel(),
processField = ctx.DefineLabel(),
notRecognised = 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 (Helpers.IsValueType(locals[i].Type))
{
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(ctx.MapType(typeof(ProtoReader)).GetMethod("SkipField"));
ctx.MarkLabel(@continue);
ctx.EmitBasicRead("ReadFieldHeader", ctx.MapType(typeof(int)));
ctx.CopyValue();
ctx.StoreValue(fieldNumber);
ctx.LoadValue(0);
ctx.BranchIfGreater(processField, false);
}
for (int i = 0; i < locals.Length; i++)
{
ctx.LoadValue(locals[i]);
}
ctx.EmitCtor(ctor);
ctx.StoreValue(objValue);
}
finally
{
for (int i = 0; i < locals.Length; i++)
{
if (locals[i] != null)
locals[i].Dispose(); // release for re-use
}
}
}
}
public void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (Compiler.Local loc = ctx.GetLocalWithValue(ctor.DeclaringType, valueFrom))
{
for (int i = 0; i < tails.Length; i++)
{
Type type = GetMemberType(i);
ctx.LoadAddress(loc, ExpectedType);
if (members[i] is FieldInfo)
{
ctx.LoadValue((FieldInfo)members[i]);
}
else if (members[i] is PropertyInfo)
{
ctx.LoadValue((PropertyInfo)members[i]);
}
ctx.WriteNullCheckedTail(type, tails[i], null);
}
}
}
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
}
}
}
}
protected override void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using(Compiler.Local valOrNull = ctx.GetLocalWithValue(expectedType, valueFrom))
using(Compiler.Local token = new Compiler.Local(ctx, ctx.MapType(typeof(SubItemToken))))
{
ctx.LoadNullRef();
ctx.LoadReaderWriter();
ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("StartSubItem"));
ctx.StoreValue(token);
if (Helpers.IsValueType(expectedType))
{
ctx.LoadAddress(valOrNull, expectedType);
ctx.LoadValue(expectedType.GetProperty("HasValue"));
}
else
{
ctx.LoadValue(valOrNull);
}
Compiler.CodeLabel @end = ctx.DefineLabel();
ctx.BranchIfFalse(@end, false);
if (Helpers.IsValueType(expectedType))
{
ctx.LoadAddress(valOrNull, expectedType);
ctx.EmitCall(expectedType.GetMethod("GetValueOrDefault", Helpers.EmptyTypes));
}
else
{
ctx.LoadValue(valOrNull);
}
Tail.EmitWrite(ctx, null);
ctx.MarkLabel(@end);
ctx.LoadValue(token);
ctx.LoadReaderWriter();
ctx.EmitCall(ctx.MapType(typeof(ProtoWriter)).GetMethod("EndSubItem"));
}
}
void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
Type type = ExpectedType;
if (Helpers.IsValueType(type))
{ // note that for structs, we've already asserted that a custom ToString
// exists; no need to handle the box/callvirt scenario
// force it to a variable if needed, so we can take the address
using (Compiler.Local loc = ctx.GetLocalWithValue(type, valueFrom))
{
ctx.LoadAddress(loc, type);
ctx.EmitCall(GetCustomToString(type));
}
}
else {
ctx.EmitCall(ctx.MapType(typeof(object)).GetMethod("ToString"));
}
ctx.EmitBasicWrite("WriteString", valueFrom);
}
void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
Type expected = ExpectedType;
using (Compiler.Local loc = ctx.GetLocalWithValue(expected, valueFrom))
{
// pre-callbacks
EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.BeforeSerialize);
Compiler.CodeLabel startFields = ctx.DefineLabel();
// inheritance
if (CanHaveInheritance)
{
for (int i = 0; i < serializers.Length; i++)
{
IProtoSerializer ser = serializers[i];
if (ser.ExpectedType != forType)
{
Compiler.CodeLabel ifMatch = ctx.DefineLabel(), nextTest = ctx.DefineLabel();
ctx.LoadValue(loc);
ctx.TryCast(ser.ExpectedType);
ctx.CopyValue();
ctx.BranchIfTrue(ifMatch, true);
ctx.DiscardValue();
ctx.Branch(nextTest, true);
ctx.MarkLabel(ifMatch);
ser.EmitWrite(ctx, null);
ctx.Branch(startFields, false);
ctx.MarkLabel(nextTest);
}
}
if (constructType != null && constructType != forType)
{
using(Compiler.Local actualType = new Compiler.Local(ctx, typeof(Type)))
{
// would have jumped to "fields" if an expected sub-type, so two options:
// a: *exactly* that type, b: an *unexpected* type
ctx.LoadValue(loc);
ctx.EmitCall(typeof(object).GetMethod("GetType"));
ctx.CopyValue();
ctx.StoreValue(actualType);
ctx.LoadValue(forType);
ctx.BranchIfEqual(startFields, true);
ctx.LoadValue(actualType);
ctx.LoadValue(constructType);
ctx.BranchIfEqual(startFields, true);
}
}
else
{
// would have jumped to "fields" if an expected sub-type, so two options:
// a: *exactly* that type, b: an *unexpected* type
ctx.LoadValue(loc);
ctx.EmitCall(typeof(object).GetMethod("GetType"));
ctx.LoadValue(forType);
ctx.BranchIfEqual(startFields, true);
}
// unexpected, then... note that this *might* be a proxy, which
// is handled by ThrowUnexpectedSubtype
ctx.LoadValue(forType);
ctx.LoadValue(loc);
ctx.EmitCall(typeof(object).GetMethod("GetType"));
ctx.EmitCall(typeof(TypeModel).GetMethod("ThrowUnexpectedSubtype",
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static));
}
// fields
ctx.MarkLabel(startFields);
for (int i = 0; i < serializers.Length; i++)
{
IProtoSerializer ser = serializers[i];
if (ser.ExpectedType == forType) ser.EmitWrite(ctx, loc);
}
// extension data
if (isExtensible)
{
ctx.LoadValue(loc);
ctx.LoadReaderWriter();
ctx.EmitCall(typeof(ProtoWriter).GetMethod("AppendExtensionData"));
}
// post-callbacks
EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.AfterSerialize);
}
}
void IProtoSerializer.EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
Type expected = ExpectedType;
Helpers.DebugAssert(valueFrom != null);
using (Compiler.Local loc = ctx.GetLocalWithValue(expected, valueFrom))
using (Compiler.Local fieldNumber = new Compiler.Local(ctx, typeof(int)))
{
// pre-callbacks
if (HasCallbacks(TypeModel.CallbackType.BeforeDeserialize))
{
Compiler.CodeLabel callbacksDone = ctx.DefineLabel();
ctx.LoadValue(loc);
ctx.BranchIfFalse(callbacksDone, false);
EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.BeforeDeserialize);
ctx.MarkLabel(callbacksDone);
}
Compiler.CodeLabel @continue = ctx.DefineLabel(), processField = ctx.DefineLabel();
ctx.Branch(@continue, false);
ctx.MarkLabel(processField);
foreach (BasicList.Group group in BasicList.GetContiguousGroups(fieldNumbers, serializers))
{
Compiler.CodeLabel tryNextField = ctx.DefineLabel();
int groupItemCount = group.Items.Count;
if (groupItemCount == 1)
{
// discreet group; use an equality test
ctx.LoadValue(fieldNumber);
ctx.LoadValue(group.First);
Compiler.CodeLabel processThisField = ctx.DefineLabel();
ctx.BranchIfEqual(processThisField, true);
ctx.Branch(tryNextField, false);
WriteFieldHandler(ctx, expected, loc, processThisField, @continue, (IProtoSerializer)group.Items[0]);
}
else
{ // implement as a jump-table-based switch
ctx.LoadValue(fieldNumber);
ctx.LoadValue(group.First);
ctx.Subtract(); // jump-tables are zero-based
Compiler.CodeLabel[] jmp = new Compiler.CodeLabel[groupItemCount];
for (int i = 0; i < groupItemCount; i++) {
jmp[i] = ctx.DefineLabel();
}
ctx.Switch(jmp);
// write the default...
ctx.Branch(tryNextField, false);
for (int i = 0; i < groupItemCount; i++)
{
WriteFieldHandler(ctx, expected, loc, jmp[i], @continue, (IProtoSerializer)group.Items[i]);
}
}
ctx.MarkLabel(tryNextField);
}
EmitCreateIfNull(ctx, expected, loc);
ctx.LoadReaderWriter();
if (isExtensible)
{
ctx.LoadValue(loc);
ctx.EmitCall(typeof(ProtoReader).GetMethod("AppendExtensionData"));
}
else
{
ctx.EmitCall(typeof(ProtoReader).GetMethod("SkipField"));
}
ctx.MarkLabel(@continue);
ctx.EmitBasicRead("ReadFieldHeader", typeof(int));
ctx.CopyValue();
ctx.StoreValue(fieldNumber);
ctx.LoadValue(0);
ctx.BranchIfGreater(processField, false);
EmitCreateIfNull(ctx, expected, loc);
// post-callbacks
EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.AfterDeserialize);
}
}
void IProtoSerializer.EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
TypeCode typeCode = GetTypeCode();
if (map == null)
{
ctx.LoadValue(valueFrom);
ctx.ConvertToInt32(typeCode);
ctx.EmitBasicWrite("WriteInt32", null);
}
else
{
using (Compiler.Local loc = ctx.GetLocalWithValue(ExpectedType, valueFrom))
{
Compiler.CodeLabel @continue = ctx.DefineLabel();
for (int i = 0; i < map.Length; i++)
{
Compiler.CodeLabel tryNextValue = ctx.DefineLabel(), processThisValue = ctx.DefineLabel();
ctx.LoadValue(loc);
WriteEnumValue(ctx, typeCode, map[i].Value);
ctx.BranchIfEqual(processThisValue, true);
ctx.Branch(tryNextValue, true);
ctx.MarkLabel(processThisValue);
ctx.LoadValue(map[i].WireValue);
ctx.EmitBasicWrite("WriteInt32", null);
ctx.Branch(@continue, false);
ctx.MarkLabel(tryNextValue);
}
ctx.LoadReaderWriter();
ctx.LoadValue(loc);
ctx.CastToObject(ExpectedType);
ctx.EmitCall(typeof(ProtoWriter).GetMethod("ThrowEnumException"));
ctx.MarkLabel(@continue);
}
}
}
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (Compiler.Local oldList = AppendToCollection ? ctx.GetLocalWithValue(ExpectedType, valueFrom) : null)
using(Compiler.Local builder = new Compiler.Local(ctx, builderFactory.ReturnType))
{
ctx.EmitCall(builderFactory);
ctx.StoreValue(builder);
if(AppendToCollection)
{
Compiler.CodeLabel done = ctx.DefineLabel();
if(!ExpectedType.IsValueType)
{
ctx.LoadValue(oldList);
ctx.BranchIfFalse(done, false); // old value null; nothing to add
}
PropertyInfo prop = Helpers.GetProperty(ExpectedType, "Length", false);
if(prop == null) prop = Helpers.GetProperty(ExpectedType, "Count", false);
#if !NO_GENERICS
if (prop == null) prop = Helpers.GetProperty(ResolveIReadOnlyCollection(ExpectedType, Tail.ExpectedType), "Count", false);
#endif
ctx.LoadAddress(oldList, oldList.Type);
ctx.EmitCall(Helpers.GetGetMethod(prop, false, false));
ctx.BranchIfFalse(done, false); // old list is empty; nothing to add
Type voidType = ctx.MapType(typeof(void));
if(addRange != null)
{
ctx.LoadValue(builder);
ctx.LoadValue(oldList);
ctx.EmitCall(addRange);
if (addRange.ReturnType != null && add.ReturnType != voidType) ctx.DiscardValue();
}
else
{
// loop and call Add repeatedly
MethodInfo moveNext, current, getEnumerator = GetEnumeratorInfo(ctx.Model, out moveNext, out current);
Helpers.DebugAssert(moveNext != null);
Helpers.DebugAssert(current != null);
Helpers.DebugAssert(getEnumerator != null);
Type enumeratorType = getEnumerator.ReturnType;
using (Compiler.Local iter = new Compiler.Local(ctx, enumeratorType))
{
ctx.LoadAddress(oldList, ExpectedType);
ctx.EmitCall(getEnumerator);
ctx.StoreValue(iter);
using (ctx.Using(iter))
{
Compiler.CodeLabel body = ctx.DefineLabel(), next = ctx.DefineLabel();
ctx.Branch(next, false);
ctx.MarkLabel(body);
ctx.LoadAddress(builder, builder.Type);
ctx.LoadAddress(iter, enumeratorType);
ctx.EmitCall(current);
ctx.EmitCall(add);
if (add.ReturnType != null && add.ReturnType != voidType) ctx.DiscardValue();
ctx.MarkLabel(@next);
ctx.LoadAddress(iter, enumeratorType);
ctx.EmitCall(moveNext);
ctx.BranchIfTrue(body, false);
}
}
}
ctx.MarkLabel(done);
}
EmitReadList(ctx, builder, Tail, add, packedWireType, false);
ctx.LoadAddress(builder, builder.Type);
ctx.EmitCall(finish);
if(ExpectedType != finish.ReturnType)
{
ctx.Cast(ExpectedType);
}
}
}
public void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
Compiler.CodeLabel @end = ctx.DefineLabel();
using (Compiler.Local value = ctx.GetLocalWithValue(ctor.DeclaringType, valueFrom))
{
if (!baseTupleAsReference && asReference)
{
using (Compiler.Local existing = new Compiler.Local(ctx, typeof(bool)))
using (Compiler.Local tupleKey = new Compiler.Local(ctx, typeof(int)))
{
//int tupleKey = dest.NetCache.AddObjectKey(value, out existing);
ctx.LoadReaderWriter();
ctx.LoadValue(typeof(ProtoWriter).GetProperty("NetCache"));
ctx.LoadValue(value);
ctx.CastToObject(ctor.DeclaringType); // HACK : doesn't seem to get boxed from ctx.GetLocalWithValue
ctx.LoadAddress(existing, typeof(bool));
ctx.EmitCall(typeof(NetObjectCache).GetMethod("AddObjectKey", new Type[] { typeof(object), typeof(bool).MakeByRefType() }));
ctx.StoreValue(tupleKey);
//ProtoWriter.WriteUInt32(existing ? (uint) tupleKey : 0, dest);
Compiler.CodeLabel @continueBranch = ctx.DefineLabel();
ctx.LoadValue(0);
ctx.LoadValue(existing);
ctx.BranchIfFalse(@continueBranch, true);
ctx.DiscardValue();
ctx.LoadValue(tupleKey);
//ctx.CastToObject(typeof(uint));
ctx.MarkLabel(@continueBranch);
ctx.LoadReaderWriter();
ctx.EmitCall(typeof(ProtoWriter).GetMethod("WriteUInt32"));
//if (existing) { return; }
ctx.LoadValue(existing);
ctx.BranchIfTrue(@end, false);
}
}
for (int i = 0; i < tails.Length; i++)
{
Type type = GetMemberType(i);
ctx.LoadAddress(value, ExpectedType);
switch(members[i].MemberType)
{
case MemberTypes.Field:
ctx.LoadValue((FieldInfo)members[i]);
break;
case MemberTypes.Property:
ctx.LoadValue((PropertyInfo)members[i]);
break;
}
ctx.WriteNullCheckedTail(type, tails[i], null);
}
}
if (forceIssueFakeHeader)
{
ctx.LoadReaderWriter();
ctx.EmitCall(typeof(ProtoWriter).GetMethod("WriteEndGroupFieldHeaderHack"));
}
ctx.MarkLabel(@end);
}