On Mon, Dec 09, 2024 at 01:37:06PM +0100, Paolo Bonzini wrote: > Date: Mon, 9 Dec 2024 13:37:06 +0100 > From: Paolo Bonzini <pbonz...@redhat.com> > Subject: [PATCH 15/26] rust: qom: split ObjectType from ObjectImpl trait > X-Mailer: git-send-email 2.47.1 > > Define a separate trait for fields that also applies to classes that are > defined by C code. This makes it possible to add metadata to core classes, > which has multiple uses: > > - it makes it possible to access the parent struct's TYPE_* for types > that are defined in Rust code, and to avoid repeating it in every subclass > > - implementors of ObjectType will be allowed to implement the IsA<> trait and > therefore to perform typesafe casts from one class to another. > > - in the future, an ObjectType could be created with Foo::new() in a type-safe > manner, without having to pass a TYPE_* constant. > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > --- > rust/hw/char/pl011/src/device.rs | 17 ++++++++++++----- > rust/qemu-api/src/definitions.rs | 9 ++++++--- > rust/qemu-api/src/device_class.rs | 11 ++++++----- > rust/qemu-api/src/prelude.rs | 2 ++ > rust/qemu-api/src/sysbus.rs | 10 ++++++++-- > rust/qemu-api/tests/tests.rs | 12 +++++++++--- > 6 files changed, 43 insertions(+), 18 deletions(-)
Reviewed-by: Zhao Liu <zhao1....@intel.com>
