public IntPtrConstructorMethodInvoker(MetadataReader reader, MethodHandle methodHandle)
{
// Since we control the definition of System.IntPtr, we only do enough analysis of the signature to disambiguate the constructors we support.
_id = IntPtrConstructorId.None;
Method method = methodHandle.GetMethod(reader);
HandleCollection parameterTypeSignatureHandles = method.Signature.GetMethodSignature(reader).Parameters;
if (parameterTypeSignatureHandles.Count == 1)
{
HandleCollection.Enumerator enumerator = parameterTypeSignatureHandles.GetEnumerator();
enumerator.MoveNext();
Handle parameterTypeHandle = enumerator.Current;
// If any parameter is a pointer type, bail as we don't support Invokes on pointers.
if (parameterTypeHandle.HandleType != HandleType.TypeDefinition)
{
throw new PlatformNotSupportedException(SR.PlatformNotSupported_PointerArguments);
}
TypeDefinition typeDefinition = parameterTypeHandle.ToTypeDefinitionHandle(reader).GetTypeDefinition(reader);
String name = typeDefinition.Name.GetString(reader);
switch (name)
{
case "Int32":
_id = IntPtrConstructorId.Int32;
break;
case "Int64":
_id = IntPtrConstructorId.Int64;
break;
case "UInt32":
_id = IntPtrConstructorId.UInt32;
break;
case "UInt64":
_id = IntPtrConstructorId.UInt64;
break;
default:
break;
}
}
}
