private void WriteFieldHandler(
Compiler.CompilerContext ctx, Compiler.Local loc,
Compiler.CodeLabel handler, Compiler.CodeLabel @continue, IProtoSerializer serializer)
{
ctx.MarkLabel(handler);
Type serType = serializer.ExpectedType;
if (serType == ExpectedType)
{
// emit create if null
Helpers.DebugAssert(!loc.IsNullRef());
if (!ExpectedType.IsValueType && CanCreateInstance)
{
Compiler.CodeLabel afterIf = ctx.DefineLabel();
Compiler.CodeLabel ifContent = ctx.DefineLabel();
// if != null && of correct type
ctx.LoadValue(loc);
ctx.BranchIfFalse(ifContent, false);
ctx.LoadValue(loc);
ctx.TryCast(ExpectedType);
ctx.BranchIfFalse(ifContent, false);
ctx.Branch(afterIf, false);
{
ctx.MarkLabel(ifContent);
((IProtoTypeSerializer)this).EmitCreateInstance(ctx);
if (_callbacks != null)
{
EmitInvokeCallback(ctx, _callbacks.BeforeDeserialize, true, null, ExpectedType);
}
ctx.StoreValue(loc);
}
ctx.MarkLabel(afterIf);
}
serializer.EmitRead(ctx, loc);
}
else
{
ctx.LoadValue(loc);
if (ExpectedType.IsValueType || !serializer.EmitReadReturnsValue)
{
ctx.Cast(serType);
}
else
{
ctx.TryCast(serType); // default value can be another inheritance branch
}
serializer.EmitRead(ctx, null);
}
if (serializer.EmitReadReturnsValue)
{ // update the variable
ctx.StoreValue(loc);
}
ctx.Branch(@continue, false); // "continue"
}
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)
{
bool writeValue;
SanityCheck(ctx.Model, property, Tail, out writeValue, ctx.NonPublic, ctx.AllowInternal(property));
if (Helpers.IsValueType(ExpectedType) && 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 (!Helpers.IsValueType(propertyType))
{ // 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 (!Helpers.IsValueType(propertyType))
{
ctx.MarkLabel(allDone);
}
}
}
else
{ // don't want return value; drop it if anything there
// stack is [new-value]
if (Tail.ReturnsValue)
{
ctx.DiscardValue();
}
}
}
}
private static MethodBuilder EmitBoxedSerializer(TypeBuilder type, int i, Type valueType, SerializerPair[] methodPairs)
{
MethodInfo dedicated = methodPairs[i].Deserialize;
MethodBuilder boxedSerializer = type.DefineMethod("_" + i, MethodAttributes.Static, CallingConventions.Standard,
typeof(object), new Type[] { typeof(object), typeof(ProtoReader) });
Compiler.CompilerContext ctx = new Compiler.CompilerContext(boxedSerializer.GetILGenerator(), true, methodPairs);
ctx.LoadValue(Compiler.Local.InputValue);
Compiler.CodeLabel @null = ctx.DefineLabel();
ctx.BranchIfFalse(@null, true);
ctx.LoadValue(Compiler.Local.InputValue);
ctx.CastFromObject(valueType);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(valueType);
ctx.Return();
ctx.MarkLabel(@null);
using (Compiler.Local typedVal = new Compiler.Local(ctx, valueType))
{
// create a new valueType
ctx.LoadAddress(typedVal, valueType);
ctx.EmitCtor(valueType);
ctx.LoadValue(typedVal);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(valueType);
ctx.Return();
}
return(boxedSerializer);
}
protected override void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this, _getSpecified?.Name))
{
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();
Compiler.CodeLabel notSpecified = ctx.DefineLabel();
ctx.BranchIfFalse(notSpecified, false);
{
Tail.EmitWrite(ctx, loc);
}
ctx.Branch(done, true);
ctx.MarkLabel(notSpecified);
{
ctx.G.Writer.WriteFieldHeaderCancelBegin();
}
ctx.MarkLabel(done);
}
}
}
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);
// the field could be a backing field that needs to be raised back to
// the property if we're doing a full compile
MemberInfo member = field;
ctx.CheckAccessibility(ref member);
bool writeValue = member is FieldInfo;
if (writeValue)
{
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);
}
}
}
}
else
{
// can't use result
if (Tail.ReturnsValue)
{
ctx.DiscardValue();
}
}
}
}
protected override void EmitWrite(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this))
{
using (Compiler.Local valOrNull = ctx.GetLocalWithValue(_expectedType, valueFrom))
{
if (_expectedType.IsValueType)
{
ctx.LoadAddress(valOrNull, _expectedType);
ctx.LoadValue(_expectedType.GetProperty("HasValue"));
}
else
{
ctx.LoadValue(valOrNull);
}
Compiler.CodeLabel done = ctx.DefineLabel();
Compiler.CodeLabel onNull = ctx.DefineLabel();
ctx.BranchIfFalse(onNull, false);
// if !=null
{
if (_expectedType.IsValueType)
{
ctx.LoadAddress(valOrNull, _expectedType);
ctx.EmitCall(_expectedType.GetMethod("GetValueOrDefault", Helpers.EmptyTypes));
}
else
{
ctx.LoadValue(valOrNull);
}
Tail.EmitWrite(ctx, null);
ctx.Branch(done, true);
}
// else
{
ctx.MarkLabel(onNull);
if (_throwIfNull)
{
ctx.G.ThrowNullReferenceException();
ctx.G.ForceResetUnreachableState();
}
else
{
ctx.G.Writer.WriteFieldHeaderCancelBegin();
}
}
ctx.MarkLabel(done);
}
}
}
private static MethodContext EmitBoxedSerializer(TypeBuilder type, int i, Type valueType, SerializerPair[] methodPairs, RuntimeTypeModel model, Compiler.CompilerContext.ILVersion ilVersion, string assemblyName)
{
MethodInfo dedicated = methodPairs[i].Deserialize;
string name = "_" + i.ToString();
MethodContext methodContext;
model.EmitDefineMethod(
type,
name,
MethodAttributes.Static,
CallingConventions.Standard,
model.MapType(typeof(object)),
new[]
{
new MethodContext.ParameterGenInfo(model.MapType(typeof(object)), "obj", 1),
new MethodContext.ParameterGenInfo(model.MapType(typeof(ProtoReader)), "source", 2),
},
false,
out methodContext);
Compiler.CompilerContext ctx = new Compiler.CompilerContext(methodContext, true, false, methodPairs, model, ilVersion, assemblyName, model.MapType(typeof(object)));
ctx.LoadValue(ctx.InputValue);
Compiler.CodeLabel @null = ctx.DefineLabel();
ctx.BranchIfFalse(@null, true);
Type mappedValueType = valueType;
ctx.LoadValue(ctx.InputValue);
ctx.CastFromObject(mappedValueType);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(mappedValueType);
ctx.Return();
ctx.MarkLabel(@null);
using (Compiler.Local typedVal = new Compiler.Local(ctx, mappedValueType))
{
// create a new valueType
ctx.LoadAddress(typedVal, mappedValueType);
ctx.EmitCtor(mappedValueType);
ctx.LoadValue(typedVal);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(mappedValueType);
ctx.Return();
}
return(methodContext);
}
private void WriteFieldHandler(
Compiler.CompilerContext ctx, Type expected, Compiler.Local loc,
Compiler.CodeLabel handler, Compiler.CodeLabel @continue, IProtoSerializer serializer)
{
ctx.MarkLabel(handler);
Type serType = serializer.ExpectedType;
if (serType == forType)
{
EmitCreateIfNull(ctx, loc);
serializer.EmitRead(ctx, loc);
}
else
{
//RuntimeTypeModel rtm = (RuntimeTypeModel)ctx.Model;
if (((IProtoTypeSerializer)serializer).CanCreateInstance())
{
Compiler.CodeLabel allDone = ctx.DefineLabel();
ctx.LoadValue(loc);
ctx.BranchIfFalse(allDone, false); // null is always ok
ctx.LoadValue(loc);
ctx.TryCast(serType);
ctx.BranchIfTrue(allDone, false); // not null, but of the correct type
// otherwise, need to convert it
ctx.LoadReaderWriter();
ctx.LoadValue(loc);
((IProtoTypeSerializer)serializer).EmitCreateInstance(ctx);
ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("Merge"));
ctx.Cast(expected);
ctx.StoreValue(loc); // Merge always returns a value
// nothing needs doing
ctx.MarkLabel(allDone);
}
ctx.LoadValue(loc);
ctx.Cast(serType);
serializer.EmitRead(ctx, null);
}
if (serializer.ReturnsValue)
{ // update the variable
ctx.StoreValue(loc);
}
ctx.Branch(@continue, false); // "continue"
}
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, overrideType);
if (Tail.ReturnsValue)
{
var newType = overrideType != null ? overrideType : field.FieldType;
using (Compiler.Local newVal = new Compiler.Local(ctx, newType))
{
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);
if (overrideType != null)
{
ctx.Cast(field.FieldType);
}
ctx.StoreValue(field);
ctx.MarkLabel(allDone);
}
}
}
}
}
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 (expectedType.IsValueType)
{
ctx.LoadAddress(valOrNull, expectedType);
ctx.LoadValue(expectedType.GetProperty("HasValue"));
}
else
{
ctx.LoadValue(valOrNull);
}
Compiler.CodeLabel @end = ctx.DefineLabel();
ctx.BranchIfFalse(@end, false);
if (expectedType.IsValueType)
{
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"));
}
}
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 (!Helpers.IsValueType(ExpectedType))
{
ctx.LoadValue(oldList);
ctx.BranchIfFalse(done, false); // old value null; nothing to add
}
#if COREFX
TypeInfo typeInfo = ExpectedType.GetTypeInfo();
#else
Type typeInfo = ExpectedType;
#endif
PropertyInfo prop = Helpers.GetProperty(typeInfo, "Length", false);
if (prop == null)
{
prop = Helpers.GetProperty(typeInfo, "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);
}
}
}
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, ctx.MapType(typeof(int))))
{
// pre-callbacks
if (HasCallbacks(TypeModel.CallbackType.BeforeDeserialize))
{
if (ExpectedType.IsValueType)
{
EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.BeforeDeserialize);
}
else
{ // could be null
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, loc);
ctx.LoadReaderWriter();
if (isExtensible)
{
ctx.LoadValue(loc);
ctx.EmitCall(ctx.MapType(typeof(ProtoReader)).GetMethod("AppendExtensionData"));
}
else
{
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);
EmitCreateIfNull(ctx, loc);
// post-callbacks
EmitCallbackIfNeeded(ctx, loc, TypeModel.CallbackType.AfterDeserialize);
if (valueFrom != null && !loc.IsSame(valueFrom))
{
ctx.LoadValue(loc);
ctx.Cast(valueFrom.Type);
ctx.StoreValue(valueFrom);
}
}
}
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");
}
ctx.LoadAddress(valueFrom, ExpectedType); // stack is: old-addr
if (writeValue && Tail.RequiresOldValue)
{ // need to read and write
ctx.CopyValue();
}
// stack is: [old-addr]|old-addr
if (Tail.RequiresOldValue)
{
ctx.LoadValue(property); // stack is: [old-addr]|old-value
}
Type propertyType = property.PropertyType;
ctx.ReadNullCheckedTail(propertyType, Tail, null); // stack is [old-addr]|[new-value]
if (writeValue)
{
// stack is old-addr|new-value
Compiler.CodeLabel @skip = new Compiler.CodeLabel(), allDone = new Compiler.CodeLabel(); // <=== default structs
if (!propertyType.IsValueType)
{ // if the tail returns a null, intepret that as *no assign*
ctx.CopyValue(); // old-addr|new-value|new-value
@skip = ctx.DefineLabel();
allDone = ctx.DefineLabel();
ctx.BranchIfFalse(@skip, true); // old-addr|new-value
}
if (shadowSetter == null)
{
ctx.StoreValue(property);
}
else
{
ctx.EmitCall(shadowSetter);
}
if (!propertyType.IsValueType)
{
ctx.Branch(allDone, true);
ctx.MarkLabel(@skip); // old-addr|new-value
ctx.DiscardValue();
ctx.DiscardValue();
ctx.MarkLabel(allDone);
}
}
else
{ // don't want return value; drop it if anything there
// stack is [new-value]
if (Tail.ReturnsValue)
{
ctx.DiscardValue();
}
}
}
private void WriteFieldHandler(
Compiler.CompilerContext ctx, Type expected, Compiler.Local loc,
Compiler.CodeLabel handler, Compiler.CodeLabel @continue, IProtoSerializer serializer)
{
ctx.MarkLabel(handler);
Type serType = serializer.ExpectedType;
if (serType == ExpectedType)
{
EmitCreateIfNull(ctx, loc);
serializer.EmitRead(ctx, loc);
}
else
{
//RuntimeTypeModel rtm = (RuntimeTypeModel)ctx.Model;
if (((IProtoTypeSerializer)serializer).CanCreateInstance())
{
Compiler.CodeLabel allDone = ctx.DefineLabel();
ctx.LoadValue(loc);
ctx.BranchIfFalse(allDone, false); // null is always ok
ctx.LoadValue(loc);
ctx.TryCast(serType);
ctx.BranchIfTrue(allDone, false); // not null, but of the correct type
// otherwise, need to convert it
ctx.LoadReader(false);
ctx.LoadValue(loc);
((IProtoTypeSerializer)serializer).EmitCreateInstance(ctx);
ctx.EmitCall(typeof(ProtoReader).GetMethod("Merge",
new[] { typeof(ProtoReader), typeof(object), typeof(object) }));
ctx.Cast(expected);
ctx.StoreValue(loc); // Merge always returns a value
// nothing needs doing
ctx.MarkLabel(allDone);
}
if (Helpers.IsValueType(serType))
{
Compiler.CodeLabel initValue = ctx.DefineLabel();
Compiler.CodeLabel hasValue = ctx.DefineLabel();
using (Compiler.Local emptyValue = new Compiler.Local(ctx, serType))
{
ctx.LoadValue(loc);
ctx.BranchIfFalse(initValue, false);
ctx.LoadValue(loc);
ctx.CastFromObject(serType);
ctx.Branch(hasValue, false);
ctx.MarkLabel(initValue);
ctx.InitLocal(serType, emptyValue);
ctx.LoadValue(emptyValue);
ctx.MarkLabel(hasValue);
}
}
else
{
ctx.LoadValue(loc);
ctx.Cast(serType);
}
serializer.EmitRead(ctx, null);
}
if (serializer.ReturnsValue)
{ // update the variable
if (Helpers.IsValueType(serType))
{
// but box it first in case of value type
ctx.CastToObject(serType);
}
ctx.StoreValue(loc);
}
ctx.Branch(@continue, false); // "continue"
}
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 (!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, 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 (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(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
}
}
}
}
}
private static MethodBuilder EmitBoxedSerializer(TypeBuilder type, int i, Type valueType, SerializerPair[] methodPairs, TypeModel model, Compiler.CompilerContext.ILVersion ilVersion, string assemblyName)
{
MethodInfo dedicated = methodPairs[i].Deserialize;
MethodBuilder boxedSerializer = type.DefineMethod("_" + i.ToString(), MethodAttributes.Static, CallingConventions.Standard,
model.MapType(typeof(object)), new Type[] { model.MapType(typeof(object)), model.MapType(typeof(ProtoReader)) });
Compiler.CompilerContext ctx = new Compiler.CompilerContext(boxedSerializer.GetILGenerator(), true, false, methodPairs, model, ilVersion, assemblyName, model.MapType(typeof(object)));
ctx.LoadValue(ctx.InputValue);
Compiler.CodeLabel @null = ctx.DefineLabel();
ctx.BranchIfFalse(@null, true);
Type mappedValueType = valueType;
ctx.LoadValue(ctx.InputValue);
ctx.CastFromObject(mappedValueType);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(mappedValueType);
ctx.Return();
ctx.MarkLabel(@null);
using (Compiler.Local typedVal = new Compiler.Local(ctx, mappedValueType))
{
// create a new valueType
ctx.LoadAddress(typedVal, mappedValueType);
ctx.EmitCtor(mappedValueType);
ctx.LoadValue(typedVal);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(mappedValueType);
ctx.Return();
}
return boxedSerializer;
}
private void EmitBranchIfDefaultValue(Compiler.CompilerContext ctx, Compiler.CodeLabel label)
{
Type expected = ExpectedType;
switch (Helpers.GetTypeCode(expected))
{
case ProtoTypeCode.Boolean:
if ((bool)defaultValue)
{
ctx.BranchIfTrue(label, false);
}
else
{
ctx.BranchIfFalse(label, false);
}
break;
case ProtoTypeCode.Byte:
if ((byte)defaultValue == (byte)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(byte)defaultValue);
EmitBeq(ctx, label, expected);
}
break;
case ProtoTypeCode.SByte:
if ((sbyte)defaultValue == (sbyte)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(sbyte)defaultValue);
EmitBeq(ctx, label, expected);
}
break;
case ProtoTypeCode.Int16:
if ((short)defaultValue == (short)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(short)defaultValue);
EmitBeq(ctx, label, expected);
}
break;
case ProtoTypeCode.UInt16:
if ((ushort)defaultValue == (ushort)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(ushort)defaultValue);
EmitBeq(ctx, label, expected);
}
break;
case ProtoTypeCode.Int32:
if ((int)defaultValue == (int)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)defaultValue);
EmitBeq(ctx, label, expected);
}
break;
case ProtoTypeCode.UInt32:
if ((uint)defaultValue == (uint)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(uint)defaultValue);
EmitBeq(ctx, label, expected);
}
break;
case ProtoTypeCode.Char:
if ((char)defaultValue == (char)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(char)defaultValue);
EmitBeq(ctx, label, expected);
}
break;
case ProtoTypeCode.Int64:
ctx.LoadValue((long)defaultValue);
EmitBeq(ctx, label, expected);
break;
case ProtoTypeCode.UInt64:
ctx.LoadValue((long)(ulong)defaultValue);
EmitBeq(ctx, label, expected);
break;
case ProtoTypeCode.Double:
ctx.LoadValue((double)defaultValue);
EmitBeq(ctx, label, expected);
break;
case ProtoTypeCode.Single:
ctx.LoadValue((float)defaultValue);
EmitBeq(ctx, label, expected);
break;
case ProtoTypeCode.String:
ctx.LoadValue((string)defaultValue);
EmitBeq(ctx, label, expected);
break;
case ProtoTypeCode.Decimal:
{
decimal d = (decimal)defaultValue;
ctx.LoadValue(d);
EmitBeq(ctx, label, expected);
}
break;
case ProtoTypeCode.TimeSpan:
{
TimeSpan ts = (TimeSpan)defaultValue;
if (ts == TimeSpan.Zero)
{
ctx.LoadValue(typeof(TimeSpan).GetField("Zero"));
}
else
{
ctx.LoadValue(ts.Ticks);
ctx.EmitCall(ctx.MapType(typeof(TimeSpan)).GetMethod("FromTicks"));
}
EmitBeq(ctx, label, expected);
break;
}
case ProtoTypeCode.Guid:
{
ctx.LoadValue((Guid)defaultValue);
EmitBeq(ctx, label, expected);
break;
}
case ProtoTypeCode.DateTime:
{
#if FX11
ctx.LoadValue(((DateTime)defaultValue).ToFileTime());
ctx.EmitCall(typeof(DateTime).GetMethod("FromFileTime"));
#else
ctx.LoadValue(((DateTime)defaultValue).ToBinary());
ctx.EmitCall(ctx.MapType(typeof(DateTime)).GetMethod("FromBinary"));
#endif
EmitBeq(ctx, label, expected);
break;
}
default:
throw new NotSupportedException("Type cannot be represented as a default value: " + expected.FullName);
}
}
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 (!Helpers.IsValueType(ExpectedType))
{
ctx.LoadValue(oldList);
ctx.BranchIfFalse(done, false); // old value null; nothing to add
}
ctx.LoadAddress(oldList, oldList.Type);
if (isEmpty != null)
{
ctx.EmitCall(Helpers.GetGetMethod(isEmpty, false, false));
ctx.BranchIfTrue(done, false); // old list is empty; nothing to add
}
else
{
ctx.EmitCall(Helpers.GetGetMethod(length, false, false));
ctx.BranchIfFalse(done, false); // old list is empty; nothing to add
}
Type voidType = 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(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);
}
}
}
private static MethodBuilder EmitBoxedSerializer(TypeBuilder type, int i, Type valueType, SerializerPair[] methodPairs)
{
MethodInfo dedicated = methodPairs[i].Deserialize;
MethodBuilder boxedSerializer = type.DefineMethod("_" + i, MethodAttributes.Static, CallingConventions.Standard,
typeof(object), new Type[] { typeof(object), typeof(ProtoReader) });
Compiler.CompilerContext ctx = new Compiler.CompilerContext(boxedSerializer.GetILGenerator(), true, false, methodPairs);
ctx.LoadValue(Compiler.Local.InputValue);
Compiler.CodeLabel @null = ctx.DefineLabel();
ctx.BranchIfFalse(@null, true);
ctx.LoadValue(Compiler.Local.InputValue);
ctx.CastFromObject(valueType);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(valueType);
ctx.Return();
ctx.MarkLabel(@null);
using(Compiler.Local typedVal = new Compiler.Local(ctx, valueType))
{
// create a new valueType
ctx.LoadAddress(typedVal, valueType);
ctx.EmitCtor(valueType);
ctx.LoadValue(typedVal);
ctx.LoadReaderWriter();
ctx.EmitCall(dedicated);
ctx.CastToObject(valueType);
ctx.Return();
}
return boxedSerializer;
}
private void EmitBranchIfDefaultValue(Compiler.CompilerContext ctx, Compiler.CodeLabel label)
{
switch (Type.GetTypeCode(ExpectedType))
{
case TypeCode.Boolean:
if ((bool)defaultValue)
{
ctx.BranchIfTrue(label, false);
}
else
{
ctx.BranchIfFalse(label, false);
}
break;
case TypeCode.Byte:
if ((byte)defaultValue == (byte)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(byte)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case TypeCode.SByte:
if ((sbyte)defaultValue == (sbyte)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(sbyte)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case TypeCode.Int16:
if ((short)defaultValue == (short)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(short)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case TypeCode.UInt16:
if ((ushort)defaultValue == (ushort)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(ushort)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case TypeCode.Int32:
if ((int)defaultValue == (int)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case TypeCode.UInt32:
if ((uint)defaultValue == (uint)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(uint)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case TypeCode.Char:
if ((char)defaultValue == (char)0)
{
ctx.BranchIfFalse(label, false);
}
else
{
ctx.LoadValue((int)(char)defaultValue);
EmitBeq(ctx, label, ExpectedType);
}
break;
case TypeCode.Int64:
ctx.LoadValue((long)defaultValue);
EmitBeq(ctx, label, ExpectedType);
break;
case TypeCode.UInt64:
ctx.LoadValue((long)(ulong)defaultValue);
EmitBeq(ctx, label, ExpectedType);
break;
case TypeCode.Double:
ctx.LoadValue((double)defaultValue);
EmitBeq(ctx, label, ExpectedType);
break;
case TypeCode.Single:
ctx.LoadValue((float)defaultValue);
EmitBeq(ctx, label, ExpectedType);
break;
case TypeCode.String:
ctx.LoadValue((string)defaultValue);
EmitBeq(ctx, label, ExpectedType);
break;
case TypeCode.Decimal:
{
decimal d = (decimal)defaultValue;
ctx.LoadValue(d);
EmitBeq(ctx, label, ExpectedType);
}
break;
default:
if (ExpectedType == typeof(TimeSpan))
{
TimeSpan ts = (TimeSpan)defaultValue;
if (ts == TimeSpan.Zero)
{
ctx.LoadValue(typeof(TimeSpan).GetField("Zero"));
}
else
{
ctx.LoadValue(ts.Ticks);
ctx.EmitCall(typeof(TimeSpan).GetMethod("FromTicks"));
}
EmitBeq(ctx, label, ExpectedType);
}
else
{
throw new NotSupportedException("Type cannot be represented as a default value: " + ExpectedType.FullName);
}
break;
}
}
protected override void EmitRead(Compiler.CompilerContext ctx, Compiler.Local valueFrom)
{
using (ctx.StartDebugBlockAuto(this))
{
Type voidType = ctx.MapType(typeof(void));
using (Compiler.Local value = ctx.GetLocalWithValueForEmitRead(this, valueFrom))
using (Compiler.Local builderInstance = new Compiler.Local(ctx, _builderFactory.ReturnType))
using (Compiler.Local trappedKey = new Compiler.Local(ctx, typeof(int)))
{
ctx.G.Assign(trappedKey, ctx.G.ReaderFunc.ReserveNoteObject_int());
ctx.EmitCall(_builderFactory);
ctx.StoreValue(builderInstance);
if (AppendToCollection)
{
Compiler.CodeLabel done = ctx.DefineLabel();
if (!ExpectedType.IsValueType)
{
ctx.LoadValue(value);
ctx.BranchIfFalse(done, false); // old value null; nothing to add
}
PropertyInfo prop = Helpers.GetProperty(ExpectedType, "Length", false) ?? Helpers.GetProperty(ExpectedType, "Count", false);
#if !NO_GENERICS
if (prop == null)
{
prop = Helpers.GetProperty(ResolveIReadOnlyCollection(ExpectedType, Tail.ExpectedType), "Count", false);
}
#endif
ctx.LoadAddress(value, value.Type);
ctx.EmitCall(Helpers.GetGetMethod(prop, false, false));
ctx.BranchIfFalse(done, false); // old list is empty; nothing to add
if (_addRange != null)
{
ctx.LoadValue(builderInstance);
ctx.LoadValue(value);
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(value, 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(builderInstance, builderInstance.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);
}
ListHelpers.EmitRead(
ctx.G,
null,
null,
o =>
{
using (ctx.StartDebugBlockAuto(this, "add"))
{
ctx.LoadAddress(builderInstance, builderInstance.Type);
ctx.LoadValue(o);
ctx.EmitCall(_add);
if (_add.ReturnType != null && _add.ReturnType != voidType)
{
ctx.DiscardValue();
}
}
});
ctx.LoadAddress(builderInstance, builderInstance.Type);
ctx.EmitCall(_finish);
if (ExpectedType != _finish.ReturnType)
{
ctx.Cast(ExpectedType);
}
ctx.StoreValue(value);
ctx.G.Reader.NoteReservedTrappedObject(trappedKey, value);
if (EmitReadReturnsValue)
{
ctx.LoadValue(value);
}
}
}
}
private Compiler.CompilerContext WriteSerializeDeserialize(string assemblyName, TypeBuilder type, SerializerPair[] methodPairs, SerializerPair[] rootMethodPairs, Compiler.CompilerContext.ILVersion ilVersion, ref ILGenerator il)
{
Compiler.CompilerContext ctx;
// arg0 = this, arg1 = key, arg2=obj, arg3=dest
Compiler.CodeLabel[] jumpTable;
{
var genInfo = Override(type, "Serialize");
il = genInfo.GetILGenerator();
ctx = new Compiler.CompilerContext(genInfo, false, true, methodPairs, this, ilVersion, assemblyName, MapType(typeof(object)));
jumpTable = new Compiler.CodeLabel[_types.Count];
for (int i = 0; i < jumpTable.Length; i++)
{
jumpTable[i] = ctx.DefineLabel();
}
il.Emit(OpCodes.Ldarg_1);
ctx.Switch(jumpTable);
ctx.Return();
for (int i = 0; i < jumpTable.Length; i++)
{
SerializerPair pair = methodPairs[i];
ctx.MarkLabel(jumpTable[i]);
var labelNoRoot = ctx.DefineLabel();
il.Emit(OpCodes.Ldarg_S, 4);
ctx.BranchIfFalse(labelNoRoot, true);
WriteSerializePair(il, ctx, rootMethodPairs[i]);
ctx.MarkLabel(labelNoRoot);
WriteSerializePair(il, ctx, pair);
}
}
{
var genInfo = Override(type, "Deserialize");
il = genInfo.GetILGenerator();
ctx = new Compiler.CompilerContext(genInfo, false, false, methodPairs, this, ilVersion, assemblyName, MapType(typeof(object)));
// arg0 = this, arg1 = key, arg2=obj, arg3=source
for (int i = 0; i < jumpTable.Length; i++)
{
jumpTable[i] = ctx.DefineLabel();
}
il.Emit(OpCodes.Ldarg_1);
ctx.Switch(jumpTable);
ctx.LoadNullRef();
ctx.Return();
for (int i = 0; i < jumpTable.Length; i++)
{
SerializerPair pair = methodPairs[i];
ctx.MarkLabel(jumpTable[i]);
var labelNoRoot = ctx.DefineLabel();
il.Emit(OpCodes.Ldarg_S, 4);
ctx.BranchIfFalse(labelNoRoot, true);
WriteDeserializePair(assemblyName, type, rootMethodPairs, ilVersion, il, rootMethodPairs[i], i, ctx);
ctx.MarkLabel(labelNoRoot);
WriteDeserializePair(assemblyName, type, methodPairs, ilVersion, il, pair, i, ctx);
}
}
return(ctx);
}
