Migrate clippy_lints to new MSRV API

Author: Alexendoo

clippy_lints/src/almost_complete_range.rs

@@ -1,6 +1,6 @@
 use clippy_config::Conf;
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::msrvs::{self, Msrv};
+use clippy_utils::msrvs::{self, MsrvStack};
 use clippy_utils::source::{trim_span, walk_span_to_context};
 use rustc_ast::ast::{Expr, ExprKind, LitKind, Pat, PatKind, RangeEnd, RangeLimits};
 use rustc_errors::Applicability;
@@ -31,12 +31,12 @@ declare_clippy_lint! {
 impl_lint_pass!(AlmostCompleteRange => [ALMOST_COMPLETE_RANGE]);
 
 pub struct AlmostCompleteRange {
-    msrv: Msrv,
+    msrv: MsrvStack,
 }
 impl AlmostCompleteRange {
     pub fn new(conf: &'static Conf) -> Self {
         Self {
-            msrv: conf.msrv.clone(),
+            msrv: MsrvStack::new(conf.msrv),
         }
     }
 }
@@ -96,7 +96,7 @@ impl EarlyLintPass for AlmostCompleteRange {
         }
     }
 
-    extract_msrv_attr!(EarlyContext);
+    extract_msrv_attr!();
 }
 
 fn is_incomplete_range(start: &Expr, end: &Expr) -> bool {

clippy_lints/src/approx_const.rs

@@ -69,9 +69,7 @@ pub struct ApproxConstant {
 
 impl ApproxConstant {
     pub fn new(conf: &'static Conf) -> Self {
-        Self {
-            msrv: conf.msrv.clone(),
-        }
+        Self { msrv: conf.msrv }
     }
 }
 
@@ -89,16 +87,14 @@ impl LateLintPass<'_> for ApproxConstant {
             _ => (),
         }
     }
-
-    extract_msrv_attr!(LateContext);
 }
 
 impl ApproxConstant {
     fn check_known_consts(&self, cx: &LateContext<'_>, span: Span, s: symbol::Symbol, module: &str) {
         let s = s.as_str();
         if s.parse::<f64>().is_ok() {
             for &(constant, name, min_digits, msrv) in &KNOWN_CONSTS {
-                if is_approx_const(constant, s, min_digits) && msrv.is_none_or(|msrv| self.msrv.meets(msrv)) {
+                if is_approx_const(constant, s, min_digits) && msrv.is_none_or(|msrv| self.msrv.meets(cx, msrv)) {
                     span_lint_and_help(
                         cx,
                         APPROX_CONSTANT,

clippy_lints/src/assigning_clones.rs

@@ -59,9 +59,7 @@ pub struct AssigningClones {
 
 impl AssigningClones {
     pub fn new(conf: &'static Conf) -> Self {
-        Self {
-            msrv: conf.msrv.clone(),
-        }
+        Self { msrv: conf.msrv }
     }
 }
 
@@ -90,7 +88,7 @@ impl<'tcx> LateLintPass<'tcx> for AssigningClones {
                 sym::clone if is_diag_trait_item(cx, fn_id, sym::Clone) => CloneTrait::Clone,
                 _ if fn_name.as_str() == "to_owned"
                     && is_diag_trait_item(cx, fn_id, sym::ToOwned)
-                    && self.msrv.meets(msrvs::CLONE_INTO) =>
+                    && self.msrv.meets(cx, msrvs::CLONE_INTO) =>
                 {
                     CloneTrait::ToOwned
                 },
@@ -143,8 +141,6 @@ impl<'tcx> LateLintPass<'tcx> for AssigningClones {
             );
         }
     }
-
-    extract_msrv_attr!(LateContext);
 }
 
 /// Checks if the data being cloned borrows from the place that is being assigned to:

clippy_lints/src/attrs/deprecated_cfg_attr.rs

@@ -1,12 +1,12 @@
 use super::{Attribute, DEPRECATED_CFG_ATTR, DEPRECATED_CLIPPY_CFG_ATTR, unnecessary_clippy_cfg};
 use clippy_utils::diagnostics::span_lint_and_sugg;
-use clippy_utils::msrvs::{self, Msrv};
+use clippy_utils::msrvs::{self, MsrvStack};
 use rustc_ast::AttrStyle;
 use rustc_errors::Applicability;
 use rustc_lint::EarlyContext;
 use rustc_span::sym;
 
-pub(super) fn check(cx: &EarlyContext<'_>, attr: &Attribute, msrv: &Msrv) {
+pub(super) fn check(cx: &EarlyContext<'_>, attr: &Attribute, msrv: &MsrvStack) {
     // check cfg_attr
     if attr.has_name(sym::cfg_attr)
         && let Some(items) = attr.meta_item_list()

clippy_lints/src/attrs/mod.rs

@@ -14,7 +14,7 @@ mod useless_attribute;
 mod utils;
 
 use clippy_config::Conf;
-use clippy_utils::msrvs::{self, Msrv};
+use clippy_utils::msrvs::{self, Msrv, MsrvStack};
 use rustc_ast::{self as ast, Attribute, MetaItemInner, MetaItemKind};
 use rustc_hir::{ImplItem, Item, TraitItem};
 use rustc_lint::{EarlyContext, EarlyLintPass, LateContext, LateLintPass};
@@ -459,9 +459,7 @@ impl_lint_pass!(Attributes => [
 
 impl Attributes {
     pub fn new(conf: &'static Conf) -> Self {
-        Self {
-            msrv: conf.msrv.clone(),
-        }
+        Self { msrv: conf.msrv }
     }
 }
 
@@ -471,7 +469,7 @@ impl<'tcx> LateLintPass<'tcx> for Attributes {
         if is_relevant_item(cx, item) {
             inline_always::check(cx, item.span, item.ident.name, attrs);
         }
-        repr_attributes::check(cx, item.span, attrs, &self.msrv);
+        repr_attributes::check(cx, item.span, attrs, self.msrv);
     }
 
     fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'_>) {
@@ -485,18 +483,16 @@ impl<'tcx> LateLintPass<'tcx> for Attributes {
             inline_always::check(cx, item.span, item.ident.name, cx.tcx.hir().attrs(item.hir_id()));
         }
     }
-
-    extract_msrv_attr!(LateContext);
 }
 
 pub struct EarlyAttributes {
-    msrv: Msrv,
+    msrv: MsrvStack,
 }
 
 impl EarlyAttributes {
     pub fn new(conf: &'static Conf) -> Self {
         Self {
-            msrv: conf.msrv.clone(),
+            msrv: MsrvStack::new(conf.msrv),
         }
     }
 }
@@ -515,17 +511,17 @@ impl EarlyLintPass for EarlyAttributes {
         non_minimal_cfg::check(cx, attr);
     }
 
-    extract_msrv_attr!(EarlyContext);
+    extract_msrv_attr!();
 }
 
 pub struct PostExpansionEarlyAttributes {
-    msrv: Msrv,
+    msrv: MsrvStack,
 }
 
 impl PostExpansionEarlyAttributes {
     pub fn new(conf: &'static Conf) -> Self {
         Self {
-            msrv: conf.msrv.clone(),
+            msrv: MsrvStack::new(conf.msrv),
         }
     }
 }
@@ -589,5 +585,5 @@ impl EarlyLintPass for PostExpansionEarlyAttributes {
         duplicated_attributes::check(cx, &item.attrs);
     }
 
-    extract_msrv_attr!(EarlyContext);
+    extract_msrv_attr!();
 }

clippy_lints/src/attrs/repr_attributes.rs

@@ -4,17 +4,11 @@ use rustc_lint::LateContext;
 use rustc_span::Span;
 
 use clippy_utils::diagnostics::span_lint_and_then;
-use clippy_utils::msrvs;
+use clippy_utils::msrvs::{self, Msrv};
 
 use super::REPR_PACKED_WITHOUT_ABI;
 
-pub(super) fn check(cx: &LateContext<'_>, item_span: Span, attrs: &[Attribute], msrv: &msrvs::Msrv) {
-    if msrv.meets(msrvs::REPR_RUST) {
-        check_packed(cx, item_span, attrs);
-    }
-}
-
-fn check_packed(cx: &LateContext<'_>, item_span: Span, attrs: &[Attribute]) {
+pub(super) fn check(cx: &LateContext<'_>, item_span: Span, attrs: &[Attribute], msrv: Msrv) {
     if let Some(reprs) = find_attr!(attrs, AttributeKind::Repr(r) => r) {
         let packed_span = reprs
             .iter()
@@ -25,6 +19,7 @@ fn check_packed(cx: &LateContext<'_>, item_span: Span, attrs: &[Attribute]) {
             && !reprs
                 .iter()
                 .any(|(x, _)| *x == ReprAttr::ReprC || *x == ReprAttr::ReprRust)
+            && msrv.meets(cx, msrvs::REPR_RUST)
         {
             span_lint_and_then(
                 cx,

clippy_lints/src/booleans.rs

@@ -85,9 +85,7 @@ pub struct NonminimalBool {
 
 impl NonminimalBool {
     pub fn new(conf: &'static Conf) -> Self {
-        Self {
-            msrv: conf.msrv.clone(),
-        }
+        Self { msrv: conf.msrv }
     }
 }
 
@@ -103,7 +101,7 @@ impl<'tcx> LateLintPass<'tcx> for NonminimalBool {
         _: Span,
         _: LocalDefId,
     ) {
-        NonminimalBoolVisitor { cx, msrv: &self.msrv }.visit_body(body);
+        NonminimalBoolVisitor { cx, msrv: self.msrv }.visit_body(body);
     }
 
     fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) {
@@ -120,8 +118,6 @@ impl<'tcx> LateLintPass<'tcx> for NonminimalBool {
             _ => {},
         }
     }
-
-    extract_msrv_attr!(LateContext);
 }
 
 fn inverted_bin_op_eq_str(op: BinOpKind) -> Option<&'static str> {
@@ -198,7 +194,7 @@ fn check_inverted_bool_in_condition(
     );
 }
 
-fn check_simplify_not(cx: &LateContext<'_>, msrv: &Msrv, expr: &Expr<'_>) {
+fn check_simplify_not(cx: &LateContext<'_>, msrv: Msrv, expr: &Expr<'_>) {
     if let ExprKind::Unary(UnOp::Not, inner) = &expr.kind
         && !expr.span.from_expansion()
         && !inner.span.from_expansion()
@@ -234,7 +230,7 @@ fn check_simplify_not(cx: &LateContext<'_>, msrv: &Msrv, expr: &Expr<'_>) {
 
 struct NonminimalBoolVisitor<'a, 'tcx> {
     cx: &'a LateContext<'tcx>,
-    msrv: &'a Msrv,
+    msrv: Msrv,
 }
 
 use quine_mc_cluskey::Bool;
@@ -327,7 +323,7 @@ impl<'v> Hir2Qmm<'_, '_, 'v> {
 struct SuggestContext<'a, 'tcx, 'v> {
     terminals: &'v [&'v Expr<'v>],
     cx: &'a LateContext<'tcx>,
-    msrv: &'a Msrv,
+    msrv: Msrv,
     output: String,
 }
 
@@ -398,7 +394,7 @@ impl SuggestContext<'_, '_, '_> {
     }
 }
 
-fn simplify_not(cx: &LateContext<'_>, curr_msrv: &Msrv, expr: &Expr<'_>) -> Option<String> {
+fn simplify_not(cx: &LateContext<'_>, curr_msrv: Msrv, expr: &Expr<'_>) -> Option<String> {
     match &expr.kind {
         ExprKind::Binary(binop, lhs, rhs) => {
             if !implements_ord(cx, lhs) {
@@ -440,7 +436,9 @@ fn simplify_not(cx: &LateContext<'_>, curr_msrv: &Msrv, expr: &Expr<'_>) -> Opti
                 .iter()
                 .copied()
                 .flat_map(|(msrv, a, b)| vec![(msrv, a, b), (msrv, b, a)])
-                .find(|&(msrv, a, _)| msrv.is_none_or(|msrv| curr_msrv.meets(msrv)) && a == path.ident.name.as_str())
+                .find(|&(msrv, a, _)| {
+                    a == path.ident.name.as_str() && msrv.is_none_or(|msrv| curr_msrv.meets(cx, msrv))
+                })
                 .and_then(|(_, _, neg_method)| {
                     let negated_args = args
                         .iter()
@@ -469,7 +467,7 @@ fn simplify_not(cx: &LateContext<'_>, curr_msrv: &Msrv, expr: &Expr<'_>) -> Opti
     }
 }
 
-fn suggest(cx: &LateContext<'_>, msrv: &Msrv, suggestion: &Bool, terminals: &[&Expr<'_>]) -> String {
+fn suggest(cx: &LateContext<'_>, msrv: Msrv, suggestion: &Bool, terminals: &[&Expr<'_>]) -> String {
     let mut suggest_context = SuggestContext {
         terminals,
         cx,

clippy_lints/src/casts/borrow_as_ptr.rs

@@ -16,7 +16,7 @@ pub(super) fn check<'tcx>(
     expr: &'tcx Expr<'_>,
     cast_expr: &'tcx Expr<'_>,
     cast_to: &'tcx Ty<'_>,
-    msrv: &Msrv,
+    msrv: Msrv,
 ) -> bool {
     if matches!(cast_to.kind, TyKind::Ptr(_))
         && let ExprKind::AddrOf(BorrowKind::Ref, mutability, e) = cast_expr.kind
@@ -34,7 +34,7 @@ pub(super) fn check<'tcx>(
             return false;
         }
 
-        let (suggestion, span) = if msrv.meets(msrvs::RAW_REF_OP) {
+        let (suggestion, span) = if msrv.meets(cx, msrvs::RAW_REF_OP) {
             let operator_kind = match mutability {
                 Mutability::Not => "const",
                 Mutability::Mut => "mut",

clippy_lints/src/casts/cast_abs_to_unsigned.rs

@@ -14,13 +14,13 @@ pub(super) fn check(
     cast_expr: &Expr<'_>,
     cast_from: Ty<'_>,
     cast_to: Ty<'_>,
-    msrv: &Msrv,
+    msrv: Msrv,
 ) {
-    if msrv.meets(msrvs::UNSIGNED_ABS)
-        && let ty::Int(from) = cast_from.kind()
+    if let ty::Int(from) = cast_from.kind()
         && let ty::Uint(to) = cast_to.kind()
         && let ExprKind::MethodCall(method_path, receiver, [], _) = cast_expr.kind
         && method_path.ident.name.as_str() == "abs"
+        && msrv.meets(cx, msrvs::UNSIGNED_ABS)
     {
         let span = if from.bit_width() == to.bit_width() {
             expr.span

clippy_lints/src/casts/cast_lossless.rs

@@ -19,7 +19,7 @@ pub(super) fn check(
     cast_from: Ty<'_>,
     cast_to: Ty<'_>,
     cast_to_hir: &rustc_hir::Ty<'_>,
-    msrv: &Msrv,
+    msrv: Msrv,
 ) {
     if !should_lint(cx, cast_from, cast_to, msrv) {
         return;
@@ -70,7 +70,7 @@ pub(super) fn check(
     );
 }
 
-fn should_lint(cx: &LateContext<'_>, cast_from: Ty<'_>, cast_to: Ty<'_>, msrv: &Msrv) -> bool {
+fn should_lint(cx: &LateContext<'_>, cast_from: Ty<'_>, cast_to: Ty<'_>, msrv: Msrv) -> bool {
     // Do not suggest using From in consts/statics until it is valid to do so (see #2267).
     if is_in_const_context(cx) {
         return false;
@@ -96,7 +96,7 @@ fn should_lint(cx: &LateContext<'_>, cast_from: Ty<'_>, cast_to: Ty<'_>, msrv: &
             };
             !is_isize_or_usize(cast_from) && from_nbits < to_nbits
         },
-        (false, true) if matches!(cast_from.kind(), ty::Bool) && msrv.meets(msrvs::FROM_BOOL) => true,
+        (false, true) if matches!(cast_from.kind(), ty::Bool) && msrv.meets(cx, msrvs::FROM_BOOL) => true,
         (_, _) => {
             matches!(cast_from.kind(), ty::Float(FloatTy::F32)) && matches!(cast_to.kind(), ty::Float(FloatTy::F64))
         },

clippy_lints/src/casts/cast_slice_different_sizes.rs

@@ -9,12 +9,7 @@ use rustc_middle::ty::{self, Ty, TypeAndMut};
 
 use super::CAST_SLICE_DIFFERENT_SIZES;
 
-pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>, msrv: &Msrv) {
-    // suggestion is invalid if `ptr::slice_from_raw_parts` does not exist
-    if !msrv.meets(msrvs::PTR_SLICE_RAW_PARTS) {
-        return;
-    }
-
+pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>, msrv: Msrv) {
     // if this cast is the child of another cast expression then don't emit something for it, the full
     // chain will be analyzed
     if is_child_of_cast(cx, expr) {
@@ -30,7 +25,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'tcx>, msrv: &Msrv
         if let (Ok(from_layout), Ok(to_layout)) = (cx.layout_of(start_ty.ty), cx.layout_of(end_ty.ty)) {
             let from_size = from_layout.size.bytes();
             let to_size = to_layout.size.bytes();
-            if from_size != to_size && from_size != 0 && to_size != 0 {
+            if from_size != to_size && from_size != 0 && to_size != 0 && msrv.meets(cx, msrvs::PTR_SLICE_RAW_PARTS) {
                 span_lint_and_then(
                     cx,
                     CAST_SLICE_DIFFERENT_SIZES,