private static bool SignatureMatches (MethodReference method, MethodReference baseMethod, bool explicitInterfaceCheck)
{
string name = method.Name;
string base_name = baseMethod.Name;
if (name != base_name) {
if (!explicitInterfaceCheck)
return false;
TypeReference btype = baseMethod.DeclaringType;
string bnspace = btype.Namespace;
if (!name.StartsWith (bnspace, StringComparison.Ordinal))
return false;
if (name [bnspace.Length] != '.')
return false;
string bname = btype.Name;
if (String.CompareOrdinal (bname, 0, name, bnspace.Length + 1, bname.Length) != 0)
return false;
int dot = bnspace.Length + bname.Length + 1;
if (name [dot] != '.')
return false;
if (name.LastIndexOf (base_name, StringComparison.Ordinal) != dot + 1)
return false;
}
return method.CompareSignature (baseMethod);
}
private static bool CompareMethods(MethodReference method1, MethodReference method2, bool virtual_call)
{
if (method1 == null)
{
return(method2 == null);
}
if (method2 == null)
{
return(false);
}
// shortcut, if it's not virtual then only compare metadata tokens
if (!virtual_call)
{
return(method1.MetadataToken == method2.MetadataToken);
}
// we could be implementing an interface (skip position 0 because of .ctor and .cctor)
string m1name = method1.Name;
bool explicit_interface = (m1name.IndexOf('.') > 0);
if (!explicit_interface && (m1name != method2.Name))
{
return(false);
}
// compare parameters
if (!method1.CompareSignature(method2))
{
return(false);
}
TypeReference t2 = method2.DeclaringType;
TypeDefinition t2r = t2.Resolve();
if (!explicit_interface && (t2r != null) && !t2r.IsInterface)
{
return(true);
}
// we're calling into an interface and this could be us!
foreach (MethodReference mr in method1.Resolve().Overrides)
{
if (mr.DeclaringType.IsNamed(t2.Namespace, t2.Name))
{
return(true);
}
}
return(false);
}
static bool IsBase(MethodReference method, MethodReference mr)
{
if (mr.Name != method.Name)
{
return(false);
}
if (!mr.CompareSignature(method))
{
return(false);
}
TypeReference type = mr.DeclaringType;
foreach (TypeDefinition baseType in method.DeclaringType.AllSuperTypes())
{
if (baseType.IsNamed(type.Namespace, type.Name))
{
return(true);
}
}
return(false);
}
