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);
}