bjoernager/rust
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Introduce new-style attribute parsers for several attributes

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note: compiler compiles but librustdoc and clippy don't
This commit is contained in:
Jana Dönszelmann 2025-02-09 22:49:33 +01:00
parent dbd3b7928e
commit 7e0f5b5016
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50 changed files with 1519 additions and 1342 deletions
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1
compiler/rustc_lint/src/expect.rs
View file

@ -39,6 +39,7 @@ fn check_expectations(tcx: TyCtxt<'_>, tool_filter: Option<Symbol>) {
LintExpectationId::Stable { hir_id, attr_index, lint_index: Some(lint_index) } => {
// We are an `eval_always` query, so looking at the attribute's `AttrId` is ok.
let attr_id = tcx.hir().attrs(hir_id)[attr_index as usize].id();
(attr_id, lint_index)
}
_ => panic!("fulfilled expectations must have a lint index"),

11
compiler/rustc_lint/src/nonstandard_style.rs
View file

@ -1,4 +1,5 @@
use rustc_abi::ExternAbi;
use rustc_attr_parsing::{AttributeKind, AttributeParser, ReprAttr};
use rustc_hir::def::{DefKind, Res};
use rustc_hir::intravisit::FnKind;
use rustc_hir::{AttrArgs, AttrItem, Attribute, GenericParamKind, PatExprKind, PatKind};
@ -7,7 +8,7 @@ use rustc_session::config::CrateType;
use rustc_session::{declare_lint, declare_lint_pass};
use rustc_span::def_id::LocalDefId;
use rustc_span::{BytePos, Ident, Span, sym};
use {rustc_ast as ast, rustc_attr_parsing as attr, rustc_hir as hir};
use {rustc_ast as ast, rustc_hir as hir};
use crate::lints::{
NonCamelCaseType, NonCamelCaseTypeSub, NonSnakeCaseDiag, NonSnakeCaseDiagSub,
@ -161,10 +162,10 @@ impl NonCamelCaseTypes {
impl EarlyLintPass for NonCamelCaseTypes {
fn check_item(&mut self, cx: &EarlyContext<'_>, it: &ast::Item) {
let has_repr_c = it
.attrs
.iter()
.any(|attr| attr::find_repr_attrs(cx.sess(), attr).contains(&attr::ReprC));
let has_repr_c = matches!(
AttributeParser::parse_limited(cx.sess(), &it.attrs, sym::repr, it.span, true),
Some(Attribute::Parsed(AttributeKind::Repr(r))) if r.iter().any(|(r, _)| r == &ReprAttr::ReprC)
);
if has_repr_c {
return;