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Change index_refutable_slice to use FxIndexMap

This will prevent unstable order when HirIds are pertubated.
This commit is contained in:
Gary Guo 2022-01-08 01:56:13 +00:00
parent a832f5f7bc
commit 0d4bb0b295

View file

@ -4,7 +4,7 @@ use clippy_utils::higher::IfLet;
use clippy_utils::ty::is_copy; use clippy_utils::ty::is_copy;
use clippy_utils::{is_expn_of, is_lint_allowed, meets_msrv, msrvs, path_to_local}; use clippy_utils::{is_expn_of, is_lint_allowed, meets_msrv, msrvs, path_to_local};
use if_chain::if_chain; use if_chain::if_chain;
use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::fx::{FxHashSet, FxIndexMap};
use rustc_errors::Applicability; use rustc_errors::Applicability;
use rustc_hir as hir; use rustc_hir as hir;
use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::intravisit::{self, Visitor};
@ -92,9 +92,9 @@ impl<'tcx> LateLintPass<'tcx> for IndexRefutableSlice {
extract_msrv_attr!(LateContext); extract_msrv_attr!(LateContext);
} }
fn find_slice_values(cx: &LateContext<'_>, pat: &hir::Pat<'_>) -> FxHashMap<hir::HirId, SliceLintInformation> { fn find_slice_values(cx: &LateContext<'_>, pat: &hir::Pat<'_>) -> FxIndexMap<hir::HirId, SliceLintInformation> {
let mut removed_pat: FxHashSet<hir::HirId> = FxHashSet::default(); let mut removed_pat: FxHashSet<hir::HirId> = FxHashSet::default();
let mut slices: FxHashMap<hir::HirId, SliceLintInformation> = FxHashMap::default(); let mut slices: FxIndexMap<hir::HirId, SliceLintInformation> = FxIndexMap::default();
pat.walk_always(|pat| { pat.walk_always(|pat| {
if let hir::PatKind::Binding(binding, value_hir_id, ident, sub_pat) = pat.kind { if let hir::PatKind::Binding(binding, value_hir_id, ident, sub_pat) = pat.kind {
// We'll just ignore mut and ref mut for simplicity sake right now // We'll just ignore mut and ref mut for simplicity sake right now
@ -208,10 +208,10 @@ impl SliceLintInformation {
fn filter_lintable_slices<'a, 'tcx>( fn filter_lintable_slices<'a, 'tcx>(
cx: &'a LateContext<'tcx>, cx: &'a LateContext<'tcx>,
slice_lint_info: FxHashMap<hir::HirId, SliceLintInformation>, slice_lint_info: FxIndexMap<hir::HirId, SliceLintInformation>,
max_suggested_slice: u64, max_suggested_slice: u64,
scope: &'tcx hir::Expr<'tcx>, scope: &'tcx hir::Expr<'tcx>,
) -> FxHashMap<hir::HirId, SliceLintInformation> { ) -> FxIndexMap<hir::HirId, SliceLintInformation> {
let mut visitor = SliceIndexLintingVisitor { let mut visitor = SliceIndexLintingVisitor {
cx, cx,
slice_lint_info, slice_lint_info,
@ -225,7 +225,7 @@ fn filter_lintable_slices<'a, 'tcx>(
struct SliceIndexLintingVisitor<'a, 'tcx> { struct SliceIndexLintingVisitor<'a, 'tcx> {
cx: &'a LateContext<'tcx>, cx: &'a LateContext<'tcx>,
slice_lint_info: FxHashMap<hir::HirId, SliceLintInformation>, slice_lint_info: FxIndexMap<hir::HirId, SliceLintInformation>,
max_suggested_slice: u64, max_suggested_slice: u64,
} }