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https://github.com/rust-lang/rust-clippy
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Parse rustc version at compile time
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parent
3e05710bee
commit
d736992ac9
1 changed files with 8 additions and 15 deletions
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@ -5,7 +5,7 @@
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use crate::msrvs::Msrv;
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use hir::LangItem;
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use rustc_attr::{Since, CURRENT_RUSTC_VERSION};
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use rustc_attr::Since;
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use rustc_const_eval::transform::check_consts::ConstCx;
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use rustc_hir as hir;
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use rustc_hir::def_id::DefId;
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@ -372,23 +372,16 @@ fn is_const_fn(tcx: TyCtxt<'_>, def_id: DefId, msrv: &Msrv) -> bool {
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// as a part of an unimplemented MSRV check https://github.com/rust-lang/rust/issues/65262.
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let const_stab_rust_version = match since {
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Since::Version(version) => RustcVersion::new(
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u32::from(version.major),
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u32::from(version.minor),
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u32::from(version.patch),
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),
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Since::Current => {
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// HACK(nilstrieb): CURRENT_RUSTC_VERSION can return versions like 1.66.0-dev.
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// `rustc-semver` doesn't accept the `-dev` version number so we have to strip it off.
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let short_version = CURRENT_RUSTC_VERSION.split('-').next().unwrap();
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RustcVersion::parse(short_version).unwrap_or_else(|err| {
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panic!("`rustc_attr::StabilityLevel::Stable::since` is ill-formatted: `{CURRENT_RUSTC_VERSION}`, {err:?}")
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})
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},
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Since::Version(version) => version,
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Since::Current => rustc_session::RustcVersion::CURRENT,
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Since::Err => return false,
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};
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msrv.meets(const_stab_rust_version)
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msrv.meets(RustcVersion::new(
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u32::from(const_stab_rust_version.major),
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u32::from(const_stab_rust_version.minor),
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u32::from(const_stab_rust_version.patch),
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))
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} else {
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// Unstable const fn with the feature enabled.
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msrv.current().is_none()
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