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Querify fn_abi_of_{fn_ptr,instance}.

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Eduard-Mihai Burtescu 2021-09-02 00:29:15 +03:00
parent e9b68304ef
commit c1837ef1c5
19 changed files with 152 additions and 93 deletions
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21
compiler/rustc_middle/src/query/mod.rs
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@ -1128,6 +1128,27 @@ rustc_queries! {
desc { "computing layout of `{}`", key.value }
}
/// Compute a `FnAbi` suitable for indirect calls, i.e. to `fn` pointers.
///
/// NB: this doesn't handle virtual calls - those should use `fn_abi_of_instance`
/// instead, where the instance is an `InstanceDef::Virtual`.
query fn_abi_of_fn_ptr(
key: ty::ParamEnvAnd<'tcx, (ty::PolyFnSig<'tcx>, &'tcx ty::List<Ty<'tcx>>)>
) -> Result<&'tcx abi::call::FnAbi<'tcx, Ty<'tcx>>, ty::layout::FnAbiError<'tcx>> {
desc { "computing call ABI of `{}` function pointers", key.value.0 }
}
/// Compute a `FnAbi` suitable for declaring/defining an `fn` instance, and for
/// direct calls to an `fn`.
///
/// NB: that includes virtual calls, which are represented by "direct calls"
/// to an `InstanceDef::Virtual` instance (of `<dyn Trait as Trait>::fn`).
query fn_abi_of_instance(
key: ty::ParamEnvAnd<'tcx, (ty::Instance<'tcx>, &'tcx ty::List<Ty<'tcx>>)>
) -> Result<&'tcx abi::call::FnAbi<'tcx, Ty<'tcx>>, ty::layout::FnAbiError<'tcx>> {
desc { "computing call ABI of `{}`", key.value.0 }
}
query dylib_dependency_formats(_: CrateNum)
-> &'tcx [(CrateNum, LinkagePreference)] {
desc { "dylib dependency formats of crate" }