public override void GenerateSerializeIL(MethodGenerator g)
{
g.If(() =>
{
LoadMemberValue(g);//加载集合到堆栈上，检查是否为null
return(LogicOperator.IsNull);
}, () =>
{
SerializationMethodHelper.WriteArray(g, this.DTOMemberName);
}, () =>
{
var elementType = this.TargetType.ResolveElementType();
////写入数组
SerializationMethodHelper.WriteArray(g, this.DTOMemberName);
//写入每个项
LoadMemberValue(g);
g.ForEach(item =>
{
SerializationMethodHelper.WriteElement(g, this.DTOMemberName, elementType, () =>
{
g.Load(item);
});
});
});
}
public void If_Else()
{
DynamicMethod method = new DynamicMethod("temp", typeof(int), Type.EmptyTypes);
MethodGenerator g = new MethodGenerator(method);
var count = g.Declare <int>();
g.If(() =>
{
g.Load(true);
return(LogicOperator.IsTrue);
}, () =>
{
g.Assign(count, () =>
{
g.Load(1);
});
}, () =>
{
g.Assign(count, () =>
{
g.Load(2);
});
});
g.Load(count);
g.Return();
int result = (int)method.Invoke(null, null);
Assert.AreEqual(1, result);
}
public void If_Condition_And()
{
DynamicMethod method = new DynamicMethod("temp", typeof(int), Type.EmptyTypes);
MethodGenerator g = new MethodGenerator(method);
var a = g.Declare(5);
g.If(() => {//a<10 && a>6
g.And(() => {
g.Load(a);
g.Load(10);
return(LogicOperator.LessThan);
}, () => {
g.Load(a);
g.Load(6);
return(LogicOperator.GreaterThan);
});
return(LogicOperator.IsTrue);
}, () => {
g.Increment(a);
});
g.Load(a);
g.Return();
int result = (int)method.Invoke(null, new object[] { });
Assert.AreEqual(5, result);
}
public override void GenerateDeserializeIL(MethodGenerator g)
{
SetMember(g, () =>
{
var count = g.Declare <int>();
g.Assign(count, () =>
{
SerializationMethodHelper.ReadLength(g, this.DTOMemberName);//读取数量
});
var list = g.Declare(this.TargetType);
g.If(() =>
{
g.Load(count);
g.Load(0);
return(LogicOperator.LessThan);
}, () =>
{
//数量小于1
//list = new List<T>();
var elementType = this.TargetType.ResolveElementType();
g.Assign(list, () =>
{
g.NewObject(this.TargetType);
});
}, () =>
{
//list = new List<T>();
g.Assign(list, () =>
{
g.NewObject(this.TargetType);
});
var elementType = this.TargetType.ResolveElementType();
g.For(count, (index) =>
{
var item = g.Declare(elementType);
g.Assign(item, () =>
{
SerializationMethodHelper.ReadElement(g, this.DTOMemberName, elementType, index);
});
g.Load(list);
g.Load(item);
g.Call(this.TargetType.ResolveMethod("Add", elementType));
});
});
g.Load(list);
});
}
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 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 override void GenerateDeserializeIL(MethodGenerator g)
{
SetMember(g, () =>
{
var array = g.Declare(this.TargetType);
if (this.MemberAttribute.IsBlob)
{
g.Assign(array, () =>
{
SerializationMethodHelper.ReadBlob(g, this.DTOMemberName);//读取数量
});
}
else
{
var length = g.Declare <int>();
g.Assign(length, () =>
{
SerializationMethodHelper.ReadLength(g, this.DTOMemberName);//读取数量
});
g.If(() =>
{
g.Load(length);
g.Load(0);
return(LogicOperator.LessThan);
}, () =>
{
//数量小于1
//array = new array[];
var elementType = this.TargetType.ResolveElementType();
g.Assign(array, () =>
{
g.NewArray(elementType, () =>
{
g.Load(length);
});
});
}, () =>
{
var elementType = this.TargetType.ResolveElementType();
//int[] = new int[c];
g.Assign(array, () =>
{
g.NewArray(elementType, () =>
{
g.Load(length);
});
});
g.For(length, (index) =>
{
var item = g.Declare(elementType);
g.Assign(item, () =>
{
SerializationMethodHelper.ReadElement(g, this.DTOMemberName, elementType, index);
});
g.StoreElement(array, index, item);
});
});
}
g.Load(array);
});
}
/// <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();
}