Function MessageDescriptorProto

descriptor/descriptor.go:169–180

MessageDescriptorProto returns the file descriptor proto representing the message and the message descriptor proto for the message itself. The returned proto messages must not be mutated.

(m proto.GeneratedMessage)

// the message and the message descriptor proto for the message itself.
// The returned proto messages must not be mutated.
func MessageDescriptorProto(m proto.GeneratedMessage) (*descriptorpb.FileDescriptorProto, *descriptorpb.DescriptorProto) {
	rawDesc, idxs := MessageRawDescriptor(m)
	if rawDesc == nil || idxs == nil {
		return nil, nil
	}
	fd := deriveFileDescriptor(rawDesc)
	md := fd.MessageType[idxs[0]]
	for _, i := range idxs[1:] {
		md = md.NestedType[i]
	}
	return fd, md
}