Hi On Thu, Jun 5, 2025 at 2:11 PM Paolo Bonzini <pbonz...@redhat.com> wrote:
> From: Marc-André Lureau <marcandre.lur...@redhat.com> > > Generate Rust #[cfg(...)] guards from QAPI 'if' conditions. > > Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> > Link: > https://lore.kernel.org/r/20210907121943.3498701-15-marcandre.lur...@redhat.com > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > --- > scripts/qapi/common.py | 16 ++++++++++++++++ > scripts/qapi/schema.py | 4 ++++ > 2 files changed, 20 insertions(+) > > diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py > index d7c8aa3365c..a8ea5792c11 100644 > --- a/scripts/qapi/common.py > +++ b/scripts/qapi/common.py > @@ -199,6 +199,22 @@ def guardend(name: str) -> str: > name=c_fname(name).upper()) > > > +def rsgen_ifcond(ifcond: Union[str, Dict[str, Any]]) -> str: > def rsgen_ifcond(ifcond: Optional[Union[str, Dict[str, Any]]]) -> str: to make type checking happy. + > + def cfg(ifcond: Union[str, Dict[str, Any]]): > + if isinstance(ifcond, str): > + return ifcond > + if isinstance(ifcond, list): > + return ', '.join([cfg(c) for c in ifcond]) > + oper, operands = next(iter(ifcond.items())) > + operands = cfg(operands) > + return f'{oper}({operands})' > + > + if not ifcond: > + return '' > + return '#[cfg(%s)]' % cfg(ifcond) > + > + > def gen_ifcond(ifcond: Optional[Union[str, Dict[str, Any]]], > cond_fmt: str, not_fmt: str, > all_operator: str, any_operator: str) -> str: > diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py > index cbe3b5aa91e..0fb151b5d89 100644 > --- a/scripts/qapi/schema.py > +++ b/scripts/qapi/schema.py > @@ -39,6 +39,7 @@ > docgen_ifcond, > gen_endif, > gen_if, > + rsgen_ifcond, > ) > from .error import QAPIError, QAPISemError, QAPISourceError > from .expr import check_exprs > @@ -65,6 +66,9 @@ def gen_endif(self) -> str: > def docgen(self) -> str: > return docgen_ifcond(self.ifcond) > > + def rsgen(self) -> str: > + return rsgen_ifcond(self.ifcond) > + > def is_present(self) -> bool: > return bool(self.ifcond) > > -- > 2.49.0 > >
