Junjie Mao <junjie....@hotmail.com> writes:
> offset_of! was stabilized in Rust 1.77.0. Use an alternative implemenation > that was found on the Rust forums, and whose author agreed to license as > MIT for use in QEMU. > > The alternative allows only one level of field access, but apart from this > can be used just by replacing core::mem::offset_of! with > qemu_api::offset_of!. > > Using offset_of! prior Rust 1.77.0 requires the structure to have the > derive(qemu_api_macros::Offsets) attribute. > > Base on Paolo's fix series [1]. > > Make sure to remove subprojects/syn-2.0.66 if there is an existing > build. An additional feature cfg is added to > packagefiles/syn-2-rs/meson.build, which requires meson to re-checkout the > subproject. > > TODO: > > 1. For each type of error detected in the proc macro: > a. Determine the proper span in the error reports. > b. Add tests. > > v1 -> v2: > > * Rebase to [1]. > * The proc macro now generates a call to the with_offsets! macro rule > instead of generating everything by itself. > * Use quote_spanned! when reporting errors in the proc macro. > * Add qemu-api-macro as a dependency of qemu-api for cargo expand. > > [1] > https://lore.kernel.org/qemu-devel/20241021163538.136941-1-pbonz...@redhat.com > > Co-authored-by: Paolo Bonzini <pbonz...@redhat.com> > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > Signed-off-by: Junjie Mao <junjie....@hotmail.com> Just noticed Paolo has a refreshed version in his v2 series. Kindly ignore this patch. -- Best Regards Junjie Mao
