public void Weave(ILGenerator ilGenerator)
{
var typeofType = typeof(Type);
var typeofObject = typeof(object);
FieldBuilder contractFieldBuilder = null;
LocalBuilder typesArrayLocalBuilder = null;
LocalBuilder tempTypesArrayLocalBuilder = null;
var typeofArrayOfTypes = typeofType.MakeArrayType();
var weavingSettings = aspectWeavingSettings.WeavingSettings;
var getTypeFromHandleMethodInfo = typeofType.GetMethod("GetTypeFromHandle");
var localBuilderRepository = aspectWeavingSettings.LocalBuilderRepository;
typesArrayLocalBuilder = localBuilderRepository.Declare(() => {
return ilGenerator.DeclareLocal(typeofArrayOfTypes);
});
tempTypesArrayLocalBuilder = ilGenerator.DeclareLocal(typeofArrayOfTypes);
ilGenerator.EmitPushInteger(parameters.Length);
ilGenerator.Emit(OpCodes.Newarr, typeofType);
ilGenerator.EmitStoreLocal(tempTypesArrayLocalBuilder);
parameters.ForEach((parameter, i) => {
var isByRef = parameter.IsByRef;
if (isByRef) {
parameter = parameter.GetElementType();
}
ilGenerator.EmitLoadLocal(tempTypesArrayLocalBuilder);
ilGenerator.EmitPushInteger(i);
ilGenerator.Emit(OpCodes.Ldtoken, parameter);
ilGenerator.Emit(OpCodes.Call, getTypeFromHandleMethodInfo);
if (isByRef) {
ilGenerator.Emit(OpCodes.Callvirt, typeofType.GetMethod("MakeByRefType"));
}
ilGenerator.Emit(OpCodes.Stelem_Ref);
});
ilGenerator.EmitLoadLocal(tempTypesArrayLocalBuilder);
ilGenerator.EmitStoreLocal(typesArrayLocalBuilder);
ilGenerator.EmitLoadArg(0);
contractFieldBuilder = weavingSettings.TypeDefinition.GetFieldBuilder(weavingSettings.ContractType);
ilGenerator.Emit(OpCodes.Ldfld, contractFieldBuilder);
ilGenerator.Emit(OpCodes.Callvirt, typeofObject.GetMethod("GetType"));
ilGenerator.Emit(OpCodes.Ldstr, method.Name);
ilGenerator.EmitLoadLocal(typesArrayLocalBuilder);
ilGenerator.Emit(OpCodes.Callvirt, typeofType.GetMethod("GetMethod", new[] { typeof(string), typeof(Type[]) }));
ilGenerator.EmitStoreLocal(methodLocalBuilder);
}
public override LocalBuilder BuildArguments(ILGenerator ilGenerator)
{
LocalBuilder propertyLocalBuilder = null;
FieldBuilder contractFieldBuilder = null;
LocalBuilder aspectArgLocalBuilder = null;
ConstructorInfo ctorInterceptionArgs = null;
AbstractAspectPropertyArgsWeaver methodWeaver = null;
propertyLocalBuilder = LocalBuilderRepository.Declare(() => {
return ilGenerator.DeclareLocal(typeof(PropertyInfo));
});
ctorInterceptionArgs = ArgumentType.GetConstructors()[0];
aspectArgLocalBuilder = ilGenerator.DeclareLocal(ArgumentType);
contractFieldBuilder = WeavingSettings.TypeDefinition.GetFieldBuilder(WeavingSettings.ContractType);
methodWeaver = new AspectArgsGetPropertyWeaver(Member, propertyLocalBuilder, aspectWeavingSettings);
methodWeaver.Weave(ilGenerator);
ilGenerator.EmitLoadArg(0);
ilGenerator.Emit(OpCodes.Ldfld, contractFieldBuilder);
ilGenerator.EmitLoadLocal(propertyLocalBuilder);
ilGenerator.Emit(OpCodes.Ldsfld, BindingsDependency);
ilGenerator.Emit(OpCodes.Newobj, ctorInterceptionArgs);
ilGenerator.EmitStoreLocal(aspectArgLocalBuilder);
return aspectArgLocalBuilder;
}
public override LocalBuilder BuildArguments(ILGenerator ilGenerator)
{
var aspectArgLocalBuilder = ilGenerator.DeclareLocal(ArgumentType);
var eventArgumentContract = Member.ToEventArgumentContract();
var ctorInterceptionArgs = ArgumentType.GetConstructors().Single(ctor => ctor.GetParameters().Length != 0);
var eventBrokerProperty = eventArgumentContract.GetProperty("EventBroker");
var eventBrokerType = eventBrokerProperty.PropertyType;
var handlerType = eventBrokerType.GetGenericArguments().First();
var parameters = handlerType.GetInvokeMethod().GetParameters();
ilGenerator.EmitLoadArg(1);
ilGenerator.Emit(OpCodes.Ldind_Ref);
ilGenerator.EmitLoadArg(3);
ilGenerator.Emit(OpCodes.Callvirt, eventArgumentContract.GetProperty("Event").GetGetMethod());
ilGenerator.EmitLoadArg(3);
ilGenerator.Emit(OpCodes.Callvirt, eventArgumentContract.GetProperty("Handler").GetGetMethod());
ilGenerator.Emit(OpCodes.Ldsfld, BindingsDependency);
ilGenerator.EmitLoadArg(3);
ilGenerator.Emit(OpCodes.Callvirt, eventBrokerProperty.GetGetMethod());
parameters.ForEach(1, (arg, i) => {
var property = ArgumentType.GetProperty("Arg{0}".Fmt(i));
ilGenerator.EmitLoadArg(3);
ilGenerator.Emit(OpCodes.Callvirt, property.GetGetMethod());
});
ilGenerator.Emit(OpCodes.Newobj, ctorInterceptionArgs);
ilGenerator.EmitStoreLocal(aspectArgLocalBuilder);
return aspectArgLocalBuilder;
}
public override LocalBuilder BuildArguments(ILGenerator ilGenerator)
{
var typeDefinition = (IAspectTypeDefinition)WeavingSettings.TypeDefinition;
var aspectArgLocalBuilder = ilGenerator.DeclareLocal(ArgumentType);
var eventLocalBuilder = ilGenerator.DeclareLocal(typeof(EventInfo));
var contractFieldBuilder = typeDefinition.GetFieldBuilder(WeavingSettings.ContractType);
var eventArgumentContract = Member.ToEventArgumentContract();
var eventBrokerProperty = eventArgumentContract.GetProperty("EventBroker");
var eventBrokerType = eventBrokerProperty.PropertyType;
var handlerType = eventBrokerType.GetGenericArguments().First();
var delegateLocalBuilder = ilGenerator.DeclareLocal(handlerType);
var delegateCtor = handlerType.GetConstructor(new[] { typeof(object), typeof(IntPtr) });
var eventBrokerFieldBuilder = typeDefinition.GetEventFieldBuilder(Member.Name, eventBrokerType);
var eventBrokerFieldTypeDefinition = typeDefinition.GetEventBrokerFielTypeDefinition(Member);
var ctorInterceptionArgs = ArgumentType.GetConstructors().Single(ctor => ctor.GetParameters().Length != 0);
var parameters = handlerType.GetInvokeMethod().GetParameters();
ilGenerator.EmitLoadArg(1);
ilGenerator.Emit(OpCodes.Ldftn, eventBrokerFieldTypeDefinition.Event.EventHandlerType.GetInvokeMethod());
ilGenerator.Emit(OpCodes.Newobj, delegateCtor);
ilGenerator.EmitStoreLocal(delegateLocalBuilder);
ilGenerator.EmitLoadArg(0);
ilGenerator.Emit(OpCodes.Ldfld, contractFieldBuilder);
ilGenerator.Emit(OpCodes.Callvirt, typeof(object).GetMethod("GetType"));
ilGenerator.Emit(OpCodes.Ldstr, Member.Name);
ilGenerator.Emit(OpCodes.Callvirt, typeof(Type).GetMethod("GetEvent", new[] { typeof(string) }));
ilGenerator.EmitStoreLocal(eventLocalBuilder);
ilGenerator.EmitLoadArg(0);
ilGenerator.Emit(OpCodes.Ldfld, contractFieldBuilder);
ilGenerator.EmitLoadLocal(eventLocalBuilder);
ilGenerator.EmitLoadLocal(delegateLocalBuilder);
ilGenerator.Emit(OpCodes.Ldsfld, BindingsDependency);
ilGenerator.EmitLoadArg(0);
ilGenerator.Emit(OpCodes.Ldfld, eventBrokerFieldBuilder);
parameters.ForEach(1, (arg, i) => {
var property = ArgumentType.GetProperty("Arg{0}".Fmt(i));
ilGenerator.EmitLoadArg(1);
ilGenerator.Emit(OpCodes.Callvirt, property.GetGetMethod());
});
ilGenerator.Emit(OpCodes.Newobj, ctorInterceptionArgs);
ilGenerator.EmitStoreLocal(aspectArgLocalBuilder);
return aspectArgLocalBuilder;
}
public void Weave(ILGenerator ilGenerator)
{
var typeofException = typeof(Exception);
LocalBuilder exceptionLocalBuilder = null;
var typeofFlowBehavior = typeof(FlowBehavior);
LocalBuilder flowBehavoiurLocalBuilder = null;
var afterRethrowLabel = ilGenerator.DefineLabel();
var throwFlowBehaviorLabel = ilGenerator.DefineLabel();
var rethrowFlowBehaviorLabel = ilGenerator.DefineLabel();
var argsImplLocalBuilder = localBuilderRepository.Get(aspectArgumentType);
var jumpTable = new[] { throwFlowBehaviorLabel, rethrowFlowBehaviorLabel };
var setExceptionMethodInfo = aspectArgumentType.GetProperty("Exception").GetSetMethod();
var flowBehaviorMethodInfo = aspectArgumentType.GetProperty("FlowBehavior").GetGetMethod();
exceptionLocalBuilder = localBuilderRepository.GetOrDeclare(typeofException, () => {
return ilGenerator.DeclareLocal(typeofException);
});
flowBehavoiurLocalBuilder = localBuilderRepository.GetOrDeclare(typeofFlowBehavior, () => {
return ilGenerator.DeclareLocal(typeofFlowBehavior);
});
ilGenerator.BeginCatchBlock(typeofException);
ilGenerator.EmitStoreLocal(exceptionLocalBuilder);
ilGenerator.EmitLoadLocal(argsImplLocalBuilder);
ilGenerator.EmitLoadLocal(exceptionLocalBuilder);
ilGenerator.Emit(OpCodes.Callvirt, setExceptionMethodInfo);
catchWeavers.ForEach(weaver => weaver.Weave(ilGenerator));
ilGenerator.EmitLoadLocal(argsImplLocalBuilder);
ilGenerator.Emit(OpCodes.Callvirt, flowBehaviorMethodInfo);
ilGenerator.EmitStoreLocal(flowBehavoiurLocalBuilder);
ilGenerator.EmitLoadLocal(flowBehavoiurLocalBuilder);
ilGenerator.EmitPushInteger(1);
ilGenerator.Emit(OpCodes.Sub);
ilGenerator.Emit(OpCodes.Switch, jumpTable);
ilGenerator.Emit(OpCodes.Br_S, afterRethrowLabel);
ilGenerator.MarkLabel(throwFlowBehaviorLabel);
ilGenerator.EmitLoadLocal(exceptionLocalBuilder);
ilGenerator.Emit(OpCodes.Throw);
ilGenerator.MarkLabel(rethrowFlowBehaviorLabel);
ilGenerator.Emit(OpCodes.Rethrow);
ilGenerator.MarkLabel(afterRethrowLabel);
}
public void Weave(ILGenerator ilGenerator)
{
var typeofType = typeof(Type);
var typeofObject = typeof(object);
FieldBuilder contractFieldBuilder = null;
var weavingSettings = aspectWeavingSettings.WeavingSettings;
var getTypeFromHandleMethodInfo = typeofType.GetMethod("GetTypeFromHandle");
contractFieldBuilder = weavingSettings.TypeDefinition.GetFieldBuilder(weavingSettings.ContractType);
ilGenerator.EmitLoadArg(0);
ilGenerator.Emit(OpCodes.Ldfld, contractFieldBuilder);
ilGenerator.Emit(OpCodes.Callvirt, typeofObject.GetMethod("GetType"));
ilGenerator.Emit(OpCodes.Ldstr, property.Name);
ilGenerator.Emit(OpCodes.Ldtoken, property.PropertyType);
ilGenerator.Emit(OpCodes.Call, getTypeFromHandleMethodInfo);
ilGenerator.Emit(OpCodes.Callvirt, typeofType.GetMethod("GetProperty", new[] { typeof(string), typeof(Type) }));
ilGenerator.EmitStoreLocal(propertyLocalBuilder);
}
public override LocalBuilder BuildArguments(ILGenerator ilGenerator)
{
LocalBuilder aspectArgLocalBuilder = null;
ConstructorInfo ctorInterceptionArgs = null;
var aspectArgsType = Member.ToPropertyArgumentContract();
ctorInterceptionArgs = ArgumentType.GetConstructors()[0];
aspectArgLocalBuilder = ilGenerator.DeclareLocal(ArgumentType);
ilGenerator.EmitLoadArg(1);
ilGenerator.Emit(OpCodes.Ldind_Ref);
ilGenerator.EmitLoadArg(2);
ilGenerator.Emit(OpCodes.Callvirt, aspectArgsType.GetProperty("Property").GetGetMethod());
ilGenerator.Emit(OpCodes.Ldsfld, bindingsDependency);
ilGenerator.Emit(OpCodes.Newobj, ctorInterceptionArgs);
ilGenerator.EmitStoreLocal(aspectArgLocalBuilder);
return aspectArgLocalBuilder;
}
public override void StoreArgsIfNeeded(ILGenerator ilGenerator)
{
parameters.ForEach(param => {
LocalBuilder localBuilder;
int argPosition = param.Position + 1;
Type parameterElementType = param.ParameterType.GetElementType();
var property = aspectArgumentType.GetProperty("Arg{0}".Fmt(argPosition));
if (!byRefParamslocalBuilderMap.TryGetValue(argPosition, out localBuilder)) {
localBuilder = ilGenerator.DeclareLocal(parameterElementType);
byRefParamslocalBuilderMap.Add(argPosition, localBuilder);
}
WeaveAspectArg(ilGenerator);
ilGenerator.Emit(OpCodes.Callvirt, property.GetGetMethod());
ilGenerator.EmitStoreLocal(localBuilder);
});
}