public static ILChainIfCondition IfEqual(this ILGenerator il, ILPointer left, ILPointer right)
{
return(new ILChainIfCondition(il, () => il.AreEqual(left, right)));
}
private void GeneratePropertyCode(ILArgPointer graphArg, SerializableProperty target)
{
var extPropertyType = target.Ext;
var argsField = _context.GetArgsField(target);
var argsFieldVariable = ILPointer.Field(ILPointer.This(), argsField);
if (extPropertyType.IsValueOrNullableOfValue())
{
var isNullable = extPropertyType.Classification == TypeClassification.Nullable;
var isEnum = extPropertyType.IsEnum();
var isValueType = extPropertyType.Info.IsValueType;
var mediatorPropertyType = isEnum ? extPropertyType.GetUnderlyingEnumType() : extPropertyType.Ref;
var valueType = !isNullable && isValueType ? Members.Nullable[mediatorPropertyType].NullableType : mediatorPropertyType;
var valueLocal = _il.NewLocal(valueType);
_il.InvokeMethod(_visitorVariable, Members.VisitorTryVisitValue[valueType], argsFieldVariable, valueLocal);
if (isValueType && !isNullable)
{
var labelValueNotFound = _il.NewLabel();
labelValueNotFound.TransferLongIfFalse();
_il.Load(valueLocal
.Call(Members.Nullable[mediatorPropertyType].GetHasValue)
.Negate());
var nullableHasValueLabel = _il.NewLabel();
nullableHasValueLabel.TransferLong();
labelValueNotFound.Mark();
_il.Load(true);
nullableHasValueLabel.Mark();
}
else
{
_il.Negate();
}
var skipSetValueLabel = _il.NewLabel();
skipSetValueLabel.TransferLongIfTrue();
var valueToAdd = isValueType && !isNullable
? valueLocal.Call(Members.Nullable[mediatorPropertyType].GetValue)
: valueLocal;
_il.Set(graphArg, target.Ref, valueToAdd);
skipSetValueLabel.Mark();
}
else if (extPropertyType.Classification == TypeClassification.Dictionary)
{
var stateLocal = _il.NewLocal(typeof(ValueState));
_il.Set(stateLocal, _visitorVariable.Call(Members.VisitorTryVisit, argsFieldVariable));
var endLabel = _il.NewLabel();
endLabel.TransferLongIfTrue(stateLocal.Equal((int)ValueState.NotFound));
_il.AreEqual(stateLocal, (int)ValueState.Found);
var nullLabel = _il.NewLabel();
nullLabel.TransferLongIfFalse();
var dictionaryLocal = GenerateDictionaryEnumerateCode(target.Ref.PropertyType, target.Ref.Name);
_il.Set(graphArg, target.Ref, dictionaryLocal.Cast(target.Ref.PropertyType));
_il.InvokeMethod(_visitorVariable, Members.VisitorLeave, argsFieldVariable);
endLabel.TransferLong();
nullLabel.Mark();
_il.Set(graphArg, target.Ref, null);
endLabel.Mark();
}
else if (extPropertyType.Classification == TypeClassification.Collection)
{
_il.InvokeMethod(_visitorVariable, Members.VisitorTryVisit, argsFieldVariable);
var stateLocal = _il.NewLocal(typeof(ValueState));
_il.Set(stateLocal);
_il.AreEqual(stateLocal, (int)ValueState.NotFound);
var endLabel = _il.NewLabel();
endLabel.TransferLongIfTrue();
_il.AreEqual(stateLocal, (int)ValueState.Found);
var nullLabel = _il.NewLabel();
nullLabel.TransferLongIfFalse();
var collectionParam = GenerateCollectionContent(extPropertyType, target.Ref.Name);
_il.Set(graphArg, target.Ref, collectionParam);
_il.InvokeMethod(_visitorVariable, Members.VisitorLeave, argsFieldVariable);
endLabel.TransferLong();
nullLabel.Mark();
_il.Set(graphArg, target.Ref, null);
endLabel.Mark();
}
else
{
_il.InvokeMethod(_visitorVariable, Members.VisitorTryVisit, argsFieldVariable);
var stateLocal = _il.NewLocal(typeof(ValueState));
_il.Set(stateLocal);
_il.IfNotEqual(stateLocal, (int)ValueState.NotFound)
.Then(() => {
_il.IfEqual(stateLocal, (int)ValueState.Found)
.Then(() => {
var singleLocal = _il.NewLocal(extPropertyType.Ref);
GenerateCreateAndChildCallCode(singleLocal);
_il.Set(graphArg, target.Ref, singleLocal);
_il.InvokeMethod(_visitorVariable, Members.VisitorLeave, argsFieldVariable);
}).Else(() => {
_il.Set(graphArg, target.Ref, null);
}).End();
}).End();
}
}
public void TransferIfNull(ILPointer value)
{
_il.AreEqual(value, null);
TransferLongIfTrue();
}