private void GenerateAssertPartsAreEqual(MethodGenerator g)
{
var expected = g.GetParameter(0);
var actual = g.GetParameter(1);
var assertAgs = g.GetParameter(2);
foreach (var part in _def.Parts)
{
g.BeginScope();
{
var e = g.CreateExpression(expected);
var a = g.CreateExpression(actual);
if (part.Member == null)
{
e.MakeReadOnly();
a.MakeReadOnly();
}
else
{
e.AddMember(part.Member);
a.AddMember(part.Member);
}
var context = new GenAssertAreEqualContext(g, part, e, a, g.CreateExpression(assertAgs));
part.GetCurrentBuilder()
.GenerateAssertAreEqualPart(context);
}
g.EndScope();
}
}
static FutureExtensions()
{
try
{
var prepForRemotingMethod = typeof(Exception).GetMethod("PrepForRemoting", BindingFlags.NonPublic | BindingFlags.Instance, null, Type.EmptyTypes, null);
if (prepForRemotingMethod == null)
{
_prepareForRemoting = e => e;
Trace.TraceWarning("Couldn't get internal method for preserving stack traces. Stack traces may not contain all necessary information.");
}
else
{
var dm = new DynamicMethod("Exception_PrepForRemotingWrapper", typeof(Exception), new[] { typeof(Exception) }, true);
var g = new MethodGenerator(new MsilWriter(dm));
g.Load(g.GetParameter(0));
g.Call(prepForRemotingMethod);
if (prepForRemotingMethod.ReturnType != typeof(Exception))
{
g.Load(g.GetParameter(0));
}
g.Return();
_prepareForRemoting = (Func <Exception, Exception>)dm.CreateDelegate(typeof(Func <Exception, Exception>));
}
}
catch (Exception ex)
{
_prepareForRemoting = e => e;
Trace.TraceWarning("Couldn't construct method for preserving stack traces. Stack traces may not contain all necessary information. - " + ex);
}
}
public void GenerateAssertAreEqual(ICilWriter msilWriter)
{
var g = new MethodGenerator(msilWriter);
var expected = g.GetParameter(0);
var actual = g.GetParameter(1);
var assertAreEqual = typeof(Assert).ResolveMethod("AreEqual", typeof(object), typeof(object));
var assertAreNotEqual = typeof(Assert).ResolveMethod("AreNotEqual", typeof(object), typeof(object));
if (_def.Type.IsValueType)
{
GenerateAssertPartsAreEqual(g);
}
else
{
g.If(() =>
{
g.Load(expected);
return(BinaryOperator.IsNull);
});
{
g.BeginCall(assertAreEqual);
{
g.LoadNull();
g.Load(actual);
}
g.EndCall();
}
g.Else();
{
g.BeginCall(assertAreNotEqual);
{
g.LoadNull();
g.Load(actual);
}
g.EndCall();
GenerateAssertPartsAreEqual(g);
}
g.EndIf();
}
g.Return();
}
public void GenerateFill(ICilWriter msilWriter)
{
var g = new MethodGenerator(msilWriter);
var instance = g.GetParameter(0);
g.If(() =>
{
g.Load(instance);
return(BinaryOperator.IsNull);
});
{
if (_def.Type.IsAbstract)
{
g.BeginCall(typeof(BarfErrors).ResolveMethod("RaiseAbstractConstructionError", typeof(Type)));
g.Load(_def.Type);
g.EndCall();
}
else
{
g.BeginAssign(instance);
{
g.NewObject(_def.Type);
}
g.EndAssign();
}
}
g.EndIf();
foreach (var part in _def.Parts)
{
g.BeginScope();
{
var member = g.CreateExpression(instance);
if (part.Member == null)
{
member.MakeReadOnly();
}
else
{
member.AddMember(part.Member);
}
var context = new GenFillContext(g, member, part);
var builder = PartResolver.Current.GetPartBuilder(part.Type, part, true);
builder.GenerateFillPart(context);
}
g.EndScope();
}
g.Return();
}
public GenFillContext(MethodGenerator generator, IExpression memberShortcut, PartDefinition part)
: base(generator)
{
_fillArgs = generator.CreateExpression(generator.GetParameter(1));
_members.Push(memberShortcut);
Part = part;
NextIsNull = _fillArgs
.Copy()
.AddMember("NextIsNull");
NextCollectionSize = _fillArgs
.Copy()
.AddMember("NextCollectionSize");
}
public GenSerializeContext(
MethodGenerator generator,
PartDefinition part,
IExpression instance)
: base(generator)
{
ArgumentAssert.IsNotNull(generator, "generator");
ArgumentAssert.IsNotNull(part, "part");
ArgumentAssert.IsNotNull(instance, "instance");
Writer = generator.CreateExpression(generator.GetParameter(_serializationArgsIndex)).AddMember("Writer");
Instance = instance;
Member = part.IsBaseType
? instance
.MakeReadOnly()
: instance
.Copy()
.AddMember(part.Member);
}
/// <summary>
/// Generates the body of the serialize method.
/// </summary>
/// <param name="msilWriter">The MSIL writer to write to.</param>
public void GenerateSerializeMethod(ICilWriter msilWriter)
{
var g = new MethodGenerator(msilWriter);
var instance = g.GetParameter(0);
var args = g.GetParameter(1);
if (!_def.Type.IsValueType)
{
g.If(() =>
{
g.Load(instance);
return(BinaryOperator.IsNull);
});
{
g.Load(args);
// todo - call through MemberResolver
g.Call(typeof(BarfSerializationArgs).GetMethod("WriteNullObject"));
g.Return();
}
g.EndIf();
}
IVariable typeContext;
MethodInfo beginMethod;
MethodInfo endMethod;
if (_def.IsForwardCompatible)
{
typeContext = g.DeclareLocal(typeof(BarfSerializationArgs.TypeContext));
beginMethod = typeof(BarfSerializationArgs).GetMethods(BindingFlags.Instance | BindingFlags.Public)
.Where <MethodInfo>(m => m.Name == "BeginObject")
.Where <MethodInfo>(m =>
{
var ps = m.GetParameters();
return(ps.Length == 1 && ps[0].ParameterType.IsGenericParameter);
})
.FirstOrDefault <MethodInfo>()
.MakeGenericMethod(_def.Type);
endMethod = typeof(BarfSerializationArgs).ResolveMethod("EndObject", typeof(BarfSerializationArgs.TypeContext));
}
else
{
typeContext = g.DeclareLocal(typeof(long));
beginMethod = typeof(BarfSerializationArgs)
.ResolveMethod("BeginObject", Type.EmptyTypes)
.MakeGenericMethod(_def.Type);
endMethod = typeof(BarfSerializationArgs).ResolveMethod("EndObject", typeof(long));
}
g.Load(args);
g.BeginCall(beginMethod);
if (_def.IsForwardCompatible)
{
g.Load(instance);
}
g.EndCall();
g.Store(typeContext);
foreach (var part in _def.Parts)
{
Trace.WriteLine("\tBuilding Serialize Part - " + part.FullName);
g.BeginScope();
{
var context = new GenSerializeContext(g, part, g.CreateExpression(instance));
part.GetCurrentBuilder()
.GenerateSerializePart(context);
}
g.EndScope();
}
g.Load(args);
g.BeginCall(endMethod);
{
g.Load(typeContext);
}
g.EndCall();
g.Return();
}
public void GenerateInnerDeserializeMethod(ICilWriter msilWriter)
{
var g = new MethodGenerator(msilWriter);
var instance = g.CreateExpression(g.GetParameter(0));
var args = g.CreateExpression(g.GetParameter(1));
var header = g.DeclareLocal(typeof(BarfObjectHeader));
g.BeginAssign(header);
{
g.Load(args);
g.Call(typeof(BarfDeserializationArgs)
.ResolveMethod("BeginObject")
.MakeGenericMethod(_def.Type));
}
g.EndAssign();
var version = g.CreateExpression(header).AddMember("Version");
g.If(() =>
{
g.Load(header);
g.LoadMember("IsNull");
return(BinaryOperator.IsTrue);
});
{
g.BeginAssign(instance);
g.LoadNull();
g.EndAssign();
}
g.Else();
{
g.If(() =>
{
g.Load(instance);
return(BinaryOperator.IsNull);
});
{
if (_def.Type.IsAbstract)
{
g.BeginCall(typeof(BarfErrors).ResolveMethod("RaiseAbstractConstructionError", typeof(Type)));
g.Load(_def.Type);
g.EndCall();
}
else
{
g.BeginAssign(instance);
g.NewObject(instance.Type);
g.EndAssign();
}
}
g.EndIf();
var partsByVersion = _def.Parts
.GroupBy <PartDefinition, int>(part => part.Version)
.OrderBy <IGrouping <int, PartDefinition>, int>(group => group.Key);
int count = 0;
foreach (var versionGroup in partsByVersion)
{
g.If(() =>
{
g.Load(version);
g.Load(versionGroup.Key);
return(BinaryOperator.GreaterThanOrEqualTo);
});
{
foreach (var part in versionGroup)
{
Trace.WriteLine("\tBuilding Deserialize Part - " + part.FullName);
g.BeginScope();
var context = new GenDeserializeContext(g, part, instance, args, header);
part.GetCurrentBuilder()
.GenerateDeserializePart(context);
g.EndScope();
}
}
count++;
}
for (; count > 0; --count)
{
g.EndIf();
}
if (_def.IsForwardCompatible)
{
g.If(() =>
{
g.Load(header).LoadMember("Version");
g.Load(_def.CurrentVersion);
return(BinaryOperator.GreaterThan);
});
{
g.Load(args);
g.BeginCall(typeof(BarfDeserializationArgs)
.ResolveMethod(
"CaptureFutureData",
new[] { _def.Type },
typeof(BarfObjectHeader), new GenericParameter(0).MakeByRefType()));
{
g.Load(header);
g.Load(instance, LoadOptions.AnyAsAddress);
}
g.EndCall();
}
g.EndIf();
}
}
g.EndIf();
g.Load(args).BeginCall(typeof(BarfDeserializationArgs)
.ResolveMethod("EndObject", new[] { _def.Type }, typeof(BarfObjectHeader)));
{
g.Load(header);
}
g.EndCall();
g.Return();
}