MemberInfo GetSetter()
{
Debug.Assert(Context.CurrentProperty != null, "Context.CurrentProperty != null");
const BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance;
var propertyType = Context.CurrentProperty.PropertyType;
var fields = InstanceType.GetFields(bindingFlags);
foreach (var field in fields)
{
var attrs = field.GetCustomAttributes(typeof(SetValueAttribute), true);
if (attrs.Length > 0 && field.FieldType.IsSameOrParentOf(propertyType))
{
return(field);
}
}
var props = InstanceType.GetProperties(bindingFlags);
foreach (var prop in props)
{
var attrs = prop.GetCustomAttributes(typeof(SetValueAttribute), true);
if (attrs.Length > 0 && prop.PropertyType.IsSameOrParentOf(propertyType))
{
return(prop);
}
}
foreach (var field in fields)
{
if (field.Name == "Value" && field.FieldType.IsSameOrParentOf(propertyType))
{
return(field);
}
}
foreach (var prop in props)
{
if (prop.Name == "Value" && prop.PropertyType.IsSameOrParentOf(propertyType))
{
return(prop);
}
}
var method = InstanceType.GetMethod(false, "SetValue", bindingFlags);
if (method != null && method.ReturnType == typeof(void))
{
return(method);
}
throw new TypeBuilderException(string.Format(
"The '{0}' type does not have appropriate setter. See '{1}' member '{2}' of '{3}' type.",
InstanceType.FullName, propertyType.FullName, Context.CurrentProperty.Name, Context.Type.FullName));
}
public override void Emit(ILRunner pRunner)
{
MethodDefinition def = MetadataCache.GetMethod(this);
foreach (var a in Arguments)
{
a.Emit(pRunner);
}
if (def.Name == "ToString")
{
Type[] types = new Type[Arguments.Count];
for (int i = 0; i < Arguments.Count; i++)
{
types[i] = Arguments[i].Type.ToSystemType();
}
var m = InstanceType.GetMethod(Value, types);
pRunner.Emitter.Emit(OpCodes.Callvirt, m);
}
else
{
if (TypeParameters.Count == 0)
{
pRunner.Emitter.Emit(OpCodes.Call, def.CallSite);
}
else
{
Type[] types = new Type[TypeParameters.Count];
for (int i = 0; i < TypeParameters.Count; i++)
{
types[i] = SmallType.FromString("", TypeParameters[i]).ToSystemType();
if (types[i] == null)
{
var t = pRunner.CurrentMethod.TypeHints;
for (int j = 0; j < t.Count; j++)
{
if (TypeParameters[i].Equals(t[j].Name, StringComparison.OrdinalIgnoreCase))
{
types[i] = t[j].ToSystemType();
}
}
}
}
var cs = def.CallSite.MakeGenericMethod(types);
pRunner.Emitter.Emit(OpCodes.Call, cs);
}
}
if (def.ReturnTypes.Length > 0)
{
//TODO Should move to some sort of visitor? This will fail eventually if I allow struct functions
if (Parent.GetType() == typeof(BlockSyntax) || !string.IsNullOrEmpty(Namespace) && Parent.Parent.GetType() == typeof(BlockSyntax))
{
pRunner.Emitter.Emit(OpCodes.Pop);
}
}
}
public void Invoke(string methodName, params string[] parameters)
{
MethodInfo method;
if (!Methods.TryGetValue(methodName, out method))
{
try
{
method = InstanceType.GetMethod(methodName);
}
catch (AmbiguousMatchException ex)
{
throw new Exception("Invoked methods can't have multiple overloads: " + methodName, ex);
}
Methods[methodName] = method;
}
var methodParametersInfo = method.GetParameters();
if (methodParametersInfo.Length != parameters.Length)
{
throw new Exception(string.Format("Wrong number of parameters. Method: {0}, Expected: {1}, Received: {2}", methodName, methodParametersInfo.Length, parameters.Length));
}
var parameterValues = new List <object>();
for (int index = 0; index < parameters.Length; index++)
{
try
{
parameterValues.Add(JsonConvert.DeserializeObject(parameters[index], methodParametersInfo[index].ParameterType));
}
catch (Exception ex)
{
RoqueTrace.Source.Trace(TraceEventType.Error, "Error deserializing parameter: {0}. Method: {1}, Parameter: {2}, Expected Type: {3}",
ex.Message, method.Name, methodParametersInfo[index].Name, methodParametersInfo[index].ParameterType.FullName, ex);
throw;
}
}
try
{
method.Invoke(Instance, parameterValues.ToArray());
}
catch (TargetInvocationException ex)
{
var jobException = ex.InnerException;
RoqueTrace.Source.Trace(TraceEventType.Error, "Error invoking job target: {0}\n\n{1}", jobException.Message, jobException);
var jobExceptionType = jobException.GetType();
if (jobException is ShouldRetryException)
{
throw jobException;
}
var invokedMethod = (Instance == null ? method : Instance.GetType().GetMethod(methodName));
var retryOn = invokedMethod.GetCustomAttributes(typeof(RetryOnAttribute), true)
.OfType <RetryOnAttribute>()
.FirstOrDefault(attr => attr.ExceptionType.IsAssignableFrom(jobExceptionType));
if (retryOn == null)
{
retryOn = invokedMethod.DeclaringType.GetCustomAttributes(typeof(RetryOnAttribute), true)
.OfType <RetryOnAttribute>()
.FirstOrDefault(attr => attr.ExceptionType.IsAssignableFrom(jobExceptionType));
}
if (retryOn != null && !(retryOn is DontRetryOnAttribute))
{
throw retryOn.CreateException(jobException);
}
throw;
}
}
