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Auto merge of #120931 - chenyukang:yukang-cleanup-hashmap, r=michaelwoerister

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Clean up potential_query_instability with FxIndexMap and UnordMap

From https://github.com/rust-lang/rust/pull/120485#issuecomment-1916437191

r? `@michaelwoerister`
This commit is contained in:
bors 2024-02-15 12:36:37 +00:00
commit fa9f77ff35
30 changed files with 122 additions and 139 deletions
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22
compiler/rustc_lint/src/context.rs
View file

@ -18,8 +18,9 @@ use self::TargetLint::*;
use crate::levels::LintLevelsBuilder;
use crate::passes::{EarlyLintPassObject, LateLintPassObject};
use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::fx::FxIndexMap;
use rustc_data_structures::sync;
use rustc_data_structures::unord::UnordMap;
use rustc_errors::{DecorateLint, DiagnosticBuilder, DiagnosticMessage, MultiSpan};
use rustc_feature::Features;
use rustc_hir as hir;
@ -69,10 +70,10 @@ pub struct LintStore {
pub late_module_passes: Vec<Box<LateLintPassFactory>>,
/// Lints indexed by name.
by_name: FxHashMap<String, TargetLint>,
by_name: UnordMap<String, TargetLint>,
/// Map of registered lint groups to what lints they expand to.
lint_groups: FxHashMap<&'static str, LintGroup>,
lint_groups: FxIndexMap<&'static str, LintGroup>,
}
impl LintStoreMarker for LintStore {}
@ -152,8 +153,6 @@ impl LintStore {
pub fn get_lint_groups<'t>(
&'t self,
) -> impl Iterator<Item = (&'static str, Vec<LintId>, bool)> + 't {
// This function is not used in a way which observes the order of lints.
#[allow(rustc::potential_query_instability)]
self.lint_groups
.iter()
.filter(|(_, LintGroup { depr, .. })| {
@ -326,9 +325,11 @@ impl LintStore {
/// True if this symbol represents a lint group name.
pub fn is_lint_group(&self, lint_name: Symbol) -> bool {
#[allow(rustc::potential_query_instability)]
let lint_groups = self.lint_groups.keys().collect::<Vec<_>>();
debug!("is_lint_group(lint_name={:?}, lint_groups={:?})", lint_name, lint_groups);
debug!(
"is_lint_group(lint_name={:?}, lint_groups={:?})",
lint_name,
self.lint_groups.keys().collect::<Vec<_>>()
);
let lint_name_str = lint_name.as_str();
self.lint_groups.contains_key(lint_name_str) || {
let warnings_name_str = crate::WARNINGS.name_lower();
@ -372,12 +373,9 @@ impl LintStore {
None => {
// 1. The tool is currently running, so this lint really doesn't exist.
// FIXME: should this handle tools that never register a lint, like rustfmt?
#[allow(rustc::potential_query_instability)]
let lints = self.by_name.keys().collect::<Vec<_>>();
debug!("lints={:?}", lints);
debug!("lints={:?}", self.by_name);
let tool_prefix = format!("{tool_name}::");
#[allow(rustc::potential_query_instability)]
return if self.by_name.keys().any(|lint| lint.starts_with(&tool_prefix)) {
self.no_lint_suggestion(&complete_name, tool_name.as_str())
} else {

1
compiler/rustc_lint/src/non_ascii_idents.rs
View file

@ -179,7 +179,6 @@ impl EarlyLintPass for NonAsciiIdents {
#[allow(rustc::potential_query_instability)]
let mut symbols: Vec<_> = symbols.iter().collect();
symbols.sort_by_key(|k| k.1);
for (symbol, &sp) in symbols.iter() {
let symbol_str = symbol.as_str();
if symbol_str.is_ascii() {