// Method to compare two types pointers for type equality
// We cannot just compare the pointers as there can be duplicate type instances
// for cloned and constructed types.
static bool AreTypesEquivalentInternal(TypeInfo pType1, TypeInfo pType2)
{
if (!pType1.IsInstantiatedTypeInfo() && !pType2.IsInstantiatedTypeInfo())
return pType1.Equals(pType2);
if (pType1.IsGenericType && pType2.IsGenericType)
{
if (!pType1.GetGenericTypeDefinition().Equals(pType2.GetGenericTypeDefinition()))
return false;
Type[] args1 = pType1.GenericTypeArguments;
Type[] args2 = pType2.GenericTypeArguments;
Debug.Assert(args1.Length == args2.Length);
for (int i = 0; i < args1.Length; i++)
{
if (!AreTypesEquivalentInternal(args1[i].GetTypeInfo(), args2[i].GetTypeInfo()))
return false;
}
return true;
}
if (pType1.IsArray && pType2.IsArray)
{
if (pType1.GetArrayRank() != pType2.GetArrayRank())
return false;
return AreTypesEquivalentInternal(pType1.GetElementType().GetTypeInfo(), pType2.GetElementType().GetTypeInfo());
}
if (pType1.IsPointer && pType2.IsPointer)
{
return AreTypesEquivalentInternal(pType1.GetElementType().GetTypeInfo(), pType2.GetElementType().GetTypeInfo());
}
return false;
}