public virtual void Weave(ILGenerator ilGenerator)
{
LocalBuilder argsLocalBuilder = null;
var aspectMember = aspectRepository.GetAspectFieldByType(aspectType);
var adviceMethod = aspectMember.FieldType.GetMethod(AdviceName);
argsLocalBuilder = localBuilderRepository.Get(argumentsWeavingSettings.ArgumentType);
ilGenerator.Emit(OpCodes.Ldsfld, aspectMember);
ilGenerator.EmitLoadLocal(argsLocalBuilder);
ilGenerator.Emit(OpCodes.Callvirt, adviceMethod);
}
protected override void WeaveFunction(ILGenerator ilGenerator)
{
var setReturnValueWeaver = new SetReturnValueWeaver(topAspectInScopeArgType);
var argsImplLocalBuilder = localBuilderRepository.Get(topAspectInScopeArgType);
byRefArgumentStoreWeaver.StoreArgsIfNeeded(ilGenerator);
ilGenerator.EmitLoadLocal(argsImplLocalBuilder);
argumentsWeaver.Weave(ilGenerator);
ilGenerator.Emit(OpCodes.Callvirt, Method);
setReturnValueWeaver.Weave(ilGenerator);
byRefArgumentStoreWeaver.RestoreArgsIfNeeded(ilGenerator);
}
public void Weave(ILGenerator ilGenerator)
{
MethodInfo returnValueGetMethod = null;
LocalBuilder argsImplLocalBuilder = null;
var argumentType = argumentsWeavingSetings.ArgumentType;
var aspectArgsType = GetAspectArgsType();
argsImplLocalBuilder = localBuilderRepository.Get(argumentType);
ilGenerator.EmitLoadLocal(argsImplLocalBuilder);
returnValueGetMethod = aspectArgsType.GetProperty("ReturnValue").GetGetMethod();
ilGenerator.Emit(OpCodes.Callvirt, returnValueGetMethod);
}
protected override ILGenerator WeaveFunction(ILGenerator ilGenerator)
{
var setReturnValueWeaver = new SetReturnValueWeaver(previousAspectArgsType);
var argsImplLocalBuilder = localBuilderRepository.Get(previousAspectArgsType);
byRefArgumentStoreWeaver.StoreArgsIfNeeded(ilGenerator);
ilGenerator.EmitLoadLocal(argsImplLocalBuilder);
argumentsWeaver.Weave(ilGenerator);
ilGenerator.Emit(OpCodes.Callvirt, MethodInfoImpl);
setReturnValueWeaver.Weave(ilGenerator);
byRefArgumentStoreWeaver.RestoreArgsIfNeeded(ilGenerator);
return(ilGenerator);
}
public ILGenerator 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 onExceptionMethodInfo = aspectMember.FieldType.GetMethod("OnException");
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);
ilGenerator.Emit(OpCodes.Ldsfld, aspectMember);
ilGenerator.EmitLoadLocal(argsImplLocalBuilder);
ilGenerator.Emit(OpCodes.Callvirt, onExceptionMethodInfo);
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);
return(ilGenerator);
}
public virtual ILGenerator Weave(ILGenerator ilGenerator)
{
MethodInfo mapGenericMethod = null;
Func <int, MethodInfo> getMappingArgsMethod = null;
var argsImplLocalBuilder = localBuilderRepository.Get(aspectArgumentType);
getMappingArgsMethod = argumentsSettings.IsFunction ?
aspectWeavingSettings.AspectArgsMapper.GetMappingArgsFunction :
(Func <int, MethodInfo>)aspectWeavingSettings.AspectArgsMapper.GetMappingArgsAction;
mapGenericMethod = getMappingArgsMethod(mappingParameters.Length);
mapGenericMethod = mapGenericMethod.MakeGenericMethod(mappingParameters);
ilGenerator.EmitLoadLocal(argsImplLocalBuilder);
WeaveAspectArg(ilGenerator);
ilGenerator.Emit(OpCodes.Call, mapGenericMethod);
return(ilGenerator);
}
