internal void CompareMethodAgainstTypeMethods (MethodDefinition current, TypeReference targetType)
{
if (CheckedTypes.Contains (targetType.Name))
return;
foreach (MethodDefinition target in targetType.GetMethods ()) {
if (target.IsGeneratedCode ())
continue;
Pattern duplicated = GetDuplicatedCode (current, target);
if (duplicated != null && duplicated.Count > 0)
rule.Runner.Report (current, duplicated[0], Severity.High, Confidence.Normal, String.Format ("Duplicated code with {0}", target));
}
}
private static bool DoesTypeStealthilyImplementInterface (TypeDefinition type, TypeReference iface)
{
//ignore already uninteresting types below (self, enum, struct, static class)
if (type == iface || type.IsEnum || type.IsValueType || type.IsStatic ())
return false;
//if type has less methods than the interface no need to check further
if (!type.HasMethods)
return false;
IList<MethodDefinition> mdc = iface.GetMethods ().ToList ();
if (type.Methods.Count < mdc.Count)
return false;
//type already publicly says it implements the interface
if (type.Implements (iface.FullName))
return false;
foreach (MethodDefinition m in mdc) {
//if any candidate fails we can return right away
//since the interface will never be fully implemented
MethodDefinition candidate = type.GetMethod (MethodAttributes.Public, m.Name);
if (null == candidate || !candidate.IsPublic || candidate.IsStatic)
return false;
//ok interesting candidate! let's check if it matches the signature
if (!AreSameElementTypes (m.ReturnType, candidate.ReturnType))
return false;
if (!CompareParameters (m, candidate))
return false;
}
return true;
}
public static CacheType Resolve(Type type)
#endif
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
var exceptions = new List <Exception>();
var methods = new List <CacheMethod>();
foreach (var method in type.GetMethods())
{
var canBeOverride = method.IsVirtual && !method.IsFinal;
#if BuildTask
if (!canBeOverride || method.DeclaringType == method.Module.TypeSystem.Object)
{
continue;
}
#else
if (!canBeOverride || method.DeclaringType == typeof(object))
{
continue;
}
#endif
var operation = GetOperation(method);
if (operation == CacheOperation.Ignore)
{
if (method.IsAbstract)
{
exceptions.Add(new InvalidOperationException($"不支持的抽象方法{method.Name}"));
}
continue;
}
CacheMethod?cm = null;
switch (operation)
{
case CacheOperation.Get:
cm = ResolveGet(method);
if (cm == null)
{
exceptions.Add(ParameterException(type, method));
}
break;
case CacheOperation.Set:
cm = ResolveSet(method);
if (cm == null)
{
exceptions.Add(ParameterException(type, method));
}
break;
case CacheOperation.Remove:
cm = ResolveRemove(method);
if (cm == null)
{
exceptions.Add(ParameterException(type, method));
}
break;
default:
exceptions.Add(new InvalidOperationException($"{method.Name}不支持的操作{operation}"));
break;
}
if (cm != null)
{
methods.Add(cm);
}
}
if (exceptions.Count > 0)
{
throw new AggregateException(exceptions);
}
return(new CacheType(GetCacheName(type, out var defaultTtl), type, methods)
{
DefaultTtl = defaultTtl
});
private static bool OnlyContainsExternalMethods (TypeReference type)
{
bool has_methods = false;
foreach (MethodDefinition method in type.GetMethods ()) {
has_methods = true;
if (!method.IsPInvokeImpl)
return false;
}
// all methods are p/invoke
return has_methods;
}
//TODO: Perhaps we can perform this action with linq instead of
//loop + hashtable
private static IEnumerable<MethodDefinition> GetSmallestOverloaded (TypeReference type)
{
IDictionary<string, MethodDefinition> possibleOverloaded = new Dictionary<string, MethodDefinition> ();
foreach (MethodDefinition method in type.GetMethods ()) {
if (method.IsPInvokeImpl)
continue;
string name = method.Name;
if (!possibleOverloaded.ContainsKey (name))
possibleOverloaded.Add (name, method);
else {
MethodDefinition candidate = possibleOverloaded [name];
int ccount = candidate.HasParameters ? candidate.Parameters.Count : 0;
int mcount = method.HasParameters ? method.Parameters.Count : 0;
if (ccount > mcount)
possibleOverloaded [name] = method;
}
}
return possibleOverloaded.Values;
}
