Remove hir::Item::attrs.

This commit is contained in:
Camille GILLOT 2021-01-24 13:17:54 +01:00
parent 5474f17011
commit c701872a6c
32 changed files with 104 additions and 76 deletions

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@ -242,7 +242,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
let hir_id = self.lower_node_id(i.id);
let attrs = self.lower_attrs(hir_id, &i.attrs);
let kind = self.lower_item_kind(i.span, i.id, hir_id, &mut ident, attrs, &mut vis, &i.kind);
Some(hir::Item { def_id: hir_id.expect_owner(), ident, attrs, kind, vis, span: i.span })
Some(hir::Item { def_id: hir_id.expect_owner(), ident, kind, vis, span: i.span })
}
fn lower_item_kind(
@ -556,7 +556,6 @@ impl<'hir> LoweringContext<'_, 'hir> {
this.insert_item(hir::Item {
def_id: new_id.expect_owner(),
ident,
attrs,
kind,
vis,
span,
@ -629,7 +628,6 @@ impl<'hir> LoweringContext<'_, 'hir> {
this.insert_item(hir::Item {
def_id: new_hir_id.expect_owner(),
ident,
attrs,
kind,
vis,
span: use_tree.span,

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@ -1579,7 +1579,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
let opaque_ty_item = hir::Item {
def_id: opaque_ty_id,
ident: Ident::invalid(),
attrs: Default::default(),
kind: opaque_ty_item_kind,
vis: respan(span.shrink_to_lo(), hir::VisibilityKind::Inherited),
span: opaque_ty_span,

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@ -2697,7 +2697,6 @@ impl ItemId {
pub struct Item<'hir> {
pub ident: Ident,
pub def_id: LocalDefId,
pub attrs: &'hir [Attribute],
pub kind: ItemKind<'hir>,
pub vis: Visibility<'hir>,
pub span: Span,
@ -3077,7 +3076,7 @@ mod size_asserts {
rustc_data_structures::static_assert_size!(super::QPath<'static>, 24);
rustc_data_structures::static_assert_size!(super::Ty<'static>, 72);
rustc_data_structures::static_assert_size!(super::Item<'static>, 200);
rustc_data_structures::static_assert_size!(super::Item<'static>, 184);
rustc_data_structures::static_assert_size!(super::TraitItem<'static>, 128);
rustc_data_structures::static_assert_size!(super::ImplItem<'static>, 152);
rustc_data_structures::static_assert_size!(super::ForeignItem<'static>, 136);

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@ -181,11 +181,10 @@ impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ForeignItem<'_> {
impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for Item<'_> {
fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
let Item { ident, ref attrs, def_id: _, ref kind, ref vis, span } = *self;
let Item { ident, def_id: _, ref kind, ref vis, span } = *self;
hcx.hash_hir_item_like(|hcx| {
ident.name.hash_stable(hcx, hasher);
attrs.hash_stable(hcx, hasher);
kind.hash_stable(hcx, hasher);
vis.hash_stable(hcx, hasher);
span.hash_stable(hcx, hasher);

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@ -561,7 +561,8 @@ impl<'a> State<'a> {
pub fn print_item(&mut self, item: &hir::Item<'_>) {
self.hardbreak_if_not_bol();
self.maybe_print_comment(item.span.lo());
self.print_outer_attributes(&item.attrs);
let attrs = self.attrs(item.hir_id());
self.print_outer_attributes(attrs);
self.ann.pre(self, AnnNode::Item(item));
match item.kind {
hir::ItemKind::ExternCrate(orig_name) => {
@ -646,14 +647,14 @@ impl<'a> State<'a> {
self.print_ident(item.ident);
self.nbsp();
self.bopen();
self.print_mod(_mod, &item.attrs);
self.print_mod(_mod, attrs);
self.bclose(item.span);
}
hir::ItemKind::ForeignMod { abi, items } => {
self.head("extern");
self.word_nbsp(abi.to_string());
self.bopen();
self.print_inner_attributes(item.attrs);
self.print_inner_attributes(self.attrs(item.hir_id()));
for item in items {
self.ann.nested(self, Nested::ForeignItem(item.id));
}
@ -737,7 +738,7 @@ impl<'a> State<'a> {
self.s.space();
self.bopen();
self.print_inner_attributes(&item.attrs);
self.print_inner_attributes(attrs);
for impl_item in items {
self.ann.nested(self, Nested::ImplItem(impl_item.id));
}

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@ -25,7 +25,8 @@ struct Finder<'tcx> {
impl<'v> ItemLikeVisitor<'v> for Finder<'_> {
fn visit_item(&mut self, item: &hir::Item<'_>) {
if self.tcx.sess.contains_name(&item.attrs, sym::rustc_proc_macro_decls) {
let attrs = self.tcx.hir().attrs(item.hir_id());
if self.tcx.sess.contains_name(attrs, sym::rustc_proc_macro_decls) {
self.decls = Some(item.hir_id());
}
}

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@ -1092,9 +1092,10 @@ declare_lint_pass!(InvalidNoMangleItems => [NO_MANGLE_CONST_ITEMS, NO_MANGLE_GEN
impl<'tcx> LateLintPass<'tcx> for InvalidNoMangleItems {
fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) {
let attrs = cx.tcx.hir().attrs(it.hir_id());
match it.kind {
hir::ItemKind::Fn(.., ref generics, _) => {
if let Some(no_mangle_attr) = cx.sess().find_by_name(&it.attrs, sym::no_mangle) {
if let Some(no_mangle_attr) = cx.sess().find_by_name(attrs, sym::no_mangle) {
for param in generics.params {
match param.kind {
GenericParamKind::Lifetime { .. } => {}
@ -1120,7 +1121,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidNoMangleItems {
}
}
hir::ItemKind::Const(..) => {
if cx.sess().contains_name(&it.attrs, sym::no_mangle) {
if cx.sess().contains_name(attrs, sym::no_mangle) {
// Const items do not refer to a particular location in memory, and therefore
// don't have anything to attach a symbol to
cx.struct_span_lint(NO_MANGLE_CONST_ITEMS, it.span, |lint| {
@ -1800,7 +1801,8 @@ impl<'tcx> LateLintPass<'tcx> for UnnameableTestItems {
return;
}
if let Some(attr) = cx.sess().find_by_name(&it.attrs, sym::rustc_test_marker) {
let attrs = cx.tcx.hir().attrs(it.hir_id());
if let Some(attr) = cx.sess().find_by_name(attrs, sym::rustc_test_marker) {
cx.struct_span_lint(UNNAMEABLE_TEST_ITEMS, attr.span, |lint| {
lint.build("cannot test inner items").emit()
});

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@ -283,7 +283,7 @@ fn is_doc_keyword(s: Symbol) -> bool {
impl<'tcx> LateLintPass<'tcx> for ExistingDocKeyword {
fn check_item(&mut self, cx: &LateContext<'_>, item: &rustc_hir::Item<'_>) {
for attr in item.attrs {
for attr in cx.tcx.hir().attrs(item.hir_id()) {
if !attr.has_name(sym::doc) {
continue;
}

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@ -505,8 +505,9 @@ impl NonUpperCaseGlobals {
impl<'tcx> LateLintPass<'tcx> for NonUpperCaseGlobals {
fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) {
let attrs = cx.tcx.hir().attrs(it.hir_id());
match it.kind {
hir::ItemKind::Static(..) if !cx.sess().contains_name(&it.attrs, sym::no_mangle) => {
hir::ItemKind::Static(..) if !cx.sess().contains_name(attrs, sym::no_mangle) => {
NonUpperCaseGlobals::check_upper_case(cx, "static variable", &it.ident);
}
hir::ItemKind::Const(..) => {

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@ -36,7 +36,9 @@ impl<'tcx> ItemLikeVisitor<'tcx> for Collector<'tcx> {
// First, add all of the custom #[link_args] attributes
let sess = &self.tcx.sess;
for m in it.attrs.iter().filter(|a| sess.check_name(a, sym::link_args)) {
for m in
self.tcx.hir().attrs(it.hir_id()).iter().filter(|a| sess.check_name(a, sym::link_args))
{
if let Some(linkarg) = m.value_str() {
self.add_link_args(linkarg);
}

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@ -44,7 +44,8 @@ impl ItemLikeVisitor<'tcx> for Collector<'tcx> {
// Process all of the #[link(..)]-style arguments
let sess = &self.tcx.sess;
for m in it.attrs.iter().filter(|a| sess.check_name(a, sym::link)) {
for m in self.tcx.hir().attrs(it.hir_id()).iter().filter(|a| sess.check_name(a, sym::link))
{
let items = match m.meta_item_list() {
Some(item) => item,
None => continue,

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@ -80,10 +80,11 @@ fn entry_fn(tcx: TyCtxt<'_>, cnum: CrateNum) -> Option<(LocalDefId, EntryFnType)
// Beware, this is duplicated in `librustc_builtin_macros/test_harness.rs`
// (with `ast::Item`), so make sure to keep them in sync.
fn entry_point_type(sess: &Session, item: &Item<'_>, at_root: bool) -> EntryPointType {
if sess.contains_name(&item.attrs, sym::start) {
fn entry_point_type(ctxt: &EntryContext<'_, '_>, item: &Item<'_>, at_root: bool) -> EntryPointType {
let attrs = ctxt.map.attrs(item.hir_id());
if ctxt.session.contains_name(attrs, sym::start) {
EntryPointType::Start
} else if sess.contains_name(&item.attrs, sym::main) {
} else if ctxt.session.contains_name(attrs, sym::main) {
EntryPointType::MainAttr
} else if item.ident.name == sym::main {
if at_root {
@ -103,13 +104,14 @@ fn throw_attr_err(sess: &Session, span: Span, attr: &str) {
}
fn find_item(item: &Item<'_>, ctxt: &mut EntryContext<'_, '_>, at_root: bool) {
match entry_point_type(&ctxt.session, item, at_root) {
match entry_point_type(ctxt, item, at_root) {
EntryPointType::None => (),
_ if !matches!(item.kind, ItemKind::Fn(..)) => {
if let Some(attr) = ctxt.session.find_by_name(item.attrs, sym::start) {
let attrs = ctxt.map.attrs(item.hir_id());
if let Some(attr) = ctxt.session.find_by_name(attrs, sym::start) {
throw_attr_err(&ctxt.session, attr.span, "start");
}
if let Some(attr) = ctxt.session.find_by_name(item.attrs, sym::main) {
if let Some(attr) = ctxt.session.find_by_name(attrs, sym::main) {
throw_attr_err(&ctxt.session, attr.span, "main");
}
}

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@ -751,8 +751,9 @@ impl Visitor<'tcx> for Checker<'tcx> {
// error if all involved types and traits are stable, because
// it will have no effect.
// See: https://github.com/rust-lang/rust/issues/55436
let attrs = self.tcx.hir().attrs(item.hir_id());
if let (Some((Stability { level: attr::Unstable { .. }, .. }, span)), _) =
attr::find_stability(&self.tcx.sess, &item.attrs, item.span)
attr::find_stability(&self.tcx.sess, attrs, item.span)
{
let mut c = CheckTraitImplStable { tcx: self.tcx, fully_stable: true };
c.visit_ty(self_ty);

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@ -16,7 +16,8 @@ struct RegistrarFinder<'tcx> {
impl<'v, 'tcx> ItemLikeVisitor<'v> for RegistrarFinder<'tcx> {
fn visit_item(&mut self, item: &hir::Item<'_>) {
if let hir::ItemKind::Fn(..) = item.kind {
if self.tcx.sess.contains_name(&item.attrs, sym::plugin_registrar) {
let attrs = self.tcx.hir().attrs(item.hir_id());
if self.tcx.sess.contains_name(attrs, sym::plugin_registrar) {
self.registrars.push((item.def_id, item.span));
}
}

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@ -1239,7 +1239,8 @@ fn compute_object_lifetime_defaults(tcx: TyCtxt<'_>) -> HirIdMap<Vec<ObjectLifet
let result = object_lifetime_defaults_for_item(tcx, generics);
// Debugging aid.
if tcx.sess.contains_name(&item.attrs, sym::rustc_object_lifetime_default) {
let attrs = tcx.hir().attrs(item.hir_id());
if tcx.sess.contains_name(attrs, sym::rustc_object_lifetime_default) {
let object_lifetime_default_reprs: String = result
.iter()
.map(|set| match *set {

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@ -496,6 +496,7 @@ impl<'tcx> DumpVisitor<'tcx> {
if !self.span.filter_generated(item.ident.span) {
let span = self.span_from_span(item.ident.span);
let attrs = self.tcx.hir().attrs(item.hir_id());
self.dumper.dump_def(
&access_from!(self.save_ctxt, item, item.hir_id()),
Def {
@ -508,9 +509,9 @@ impl<'tcx> DumpVisitor<'tcx> {
parent: None,
children: fields,
decl_id: None,
docs: self.save_ctxt.docs_for_attrs(&item.attrs),
docs: self.save_ctxt.docs_for_attrs(attrs),
sig: sig::item_signature(item, &self.save_ctxt),
attributes: lower_attributes(item.attrs.to_vec(), &self.save_ctxt),
attributes: lower_attributes(attrs.to_vec(), &self.save_ctxt),
},
);
}
@ -671,6 +672,7 @@ impl<'tcx> DumpVisitor<'tcx> {
let span = self.span_from_span(item.ident.span);
let children =
methods.iter().map(|i| id_from_def_id(i.id.def_id.to_def_id())).collect();
let attrs = self.tcx.hir().attrs(item.hir_id());
self.dumper.dump_def(
&access_from!(self.save_ctxt, item, item.hir_id()),
Def {
@ -683,9 +685,9 @@ impl<'tcx> DumpVisitor<'tcx> {
parent: None,
children,
decl_id: None,
docs: self.save_ctxt.docs_for_attrs(&item.attrs),
docs: self.save_ctxt.docs_for_attrs(attrs),
sig: sig::item_signature(item, &self.save_ctxt),
attributes: lower_attributes(item.attrs.to_vec(), &self.save_ctxt),
attributes: lower_attributes(attrs.to_vec(), &self.save_ctxt),
},
);
}
@ -1260,6 +1262,7 @@ impl<'tcx> Visitor<'tcx> for DumpVisitor<'tcx> {
if !self.span.filter_generated(item.ident.span) {
let span = self.span_from_span(item.ident.span);
let id = id_from_def_id(item.def_id.to_def_id());
let attrs = self.tcx.hir().attrs(item.hir_id());
self.dumper.dump_def(
&access_from!(self.save_ctxt, item, item.hir_id()),
@ -1273,9 +1276,9 @@ impl<'tcx> Visitor<'tcx> for DumpVisitor<'tcx> {
parent: None,
children: vec![],
decl_id: None,
docs: self.save_ctxt.docs_for_attrs(&item.attrs),
docs: self.save_ctxt.docs_for_attrs(attrs),
sig: sig::item_signature(item, &self.save_ctxt),
attributes: lower_attributes(item.attrs.to_vec(), &self.save_ctxt),
attributes: lower_attributes(attrs.to_vec(), &self.save_ctxt),
},
);
}

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@ -203,6 +203,7 @@ impl<'tcx> SaveContext<'tcx> {
pub fn get_item_data(&self, item: &hir::Item<'_>) -> Option<Data> {
let def_id = item.def_id.to_def_id();
let attrs = self.tcx.hir().attrs(item.hir_id());
match item.kind {
hir::ItemKind::Fn(ref sig, ref generics, _) => {
let qualname = format!("::{}", self.tcx.def_path_str(def_id));
@ -225,9 +226,9 @@ impl<'tcx> SaveContext<'tcx> {
parent: None,
children: vec![],
decl_id: None,
docs: self.docs_for_attrs(&item.attrs),
docs: self.docs_for_attrs(attrs),
sig: sig::item_signature(item, self),
attributes: lower_attributes(item.attrs.to_vec(), self),
attributes: lower_attributes(attrs.to_vec(), self),
}))
}
hir::ItemKind::Static(ref typ, ..) => {
@ -248,9 +249,9 @@ impl<'tcx> SaveContext<'tcx> {
parent: None,
children: vec![],
decl_id: None,
docs: self.docs_for_attrs(&item.attrs),
docs: self.docs_for_attrs(attrs),
sig: sig::item_signature(item, self),
attributes: lower_attributes(item.attrs.to_vec(), self),
attributes: lower_attributes(attrs.to_vec(), self),
}))
}
hir::ItemKind::Const(ref typ, _) => {
@ -270,9 +271,9 @@ impl<'tcx> SaveContext<'tcx> {
parent: None,
children: vec![],
decl_id: None,
docs: self.docs_for_attrs(&item.attrs),
docs: self.docs_for_attrs(attrs),
sig: sig::item_signature(item, self),
attributes: lower_attributes(item.attrs.to_vec(), self),
attributes: lower_attributes(attrs.to_vec(), self),
}))
}
hir::ItemKind::Mod(ref m) => {
@ -297,9 +298,9 @@ impl<'tcx> SaveContext<'tcx> {
.map(|i| id_from_def_id(i.def_id.to_def_id()))
.collect(),
decl_id: None,
docs: self.docs_for_attrs(&item.attrs),
docs: self.docs_for_attrs(attrs),
sig: sig::item_signature(item, self),
attributes: lower_attributes(item.attrs.to_vec(), self),
attributes: lower_attributes(attrs.to_vec(), self),
}))
}
hir::ItemKind::Enum(ref def, ref generics) => {
@ -318,9 +319,9 @@ impl<'tcx> SaveContext<'tcx> {
parent: None,
children: def.variants.iter().map(|v| id_from_hir_id(v.id, self)).collect(),
decl_id: None,
docs: self.docs_for_attrs(&item.attrs),
docs: self.docs_for_attrs(attrs),
sig: sig::item_signature(item, self),
attributes: lower_attributes(item.attrs.to_vec(), self),
attributes: lower_attributes(attrs.to_vec(), self),
}))
}
hir::ItemKind::Impl(hir::Impl { ref of_trait, ref self_ty, ref items, .. }) => {

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@ -1466,11 +1466,12 @@ impl intravisit::Visitor<'tcx> for UsePlacementFinder<'tcx> {
if self.span.map_or(true, |span| item.span < span) {
if !item.span.from_expansion() {
// Don't insert between attributes and an item.
if item.attrs.is_empty() {
let attrs = self.tcx.hir().attrs(item.hir_id());
if attrs.is_empty() {
self.span = Some(item.span.shrink_to_lo());
} else {
// Find the first attribute on the item.
for attr in item.attrs {
for attr in attrs {
if self.span.map_or(true, |span| attr.span < span) {
self.span = Some(attr.span.shrink_to_lo());
}

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@ -201,7 +201,8 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: LocalDefId) {
error = true;
}
for attr in it.attrs {
let attrs = tcx.hir().attrs(main_id);
for attr in attrs {
if tcx.sess.check_name(attr, sym::track_caller) {
tcx.sess
.struct_span_err(
@ -300,7 +301,8 @@ fn check_start_fn_ty(tcx: TyCtxt<'_>, start_def_id: LocalDefId) {
error = true;
}
for attr in it.attrs {
let attrs = tcx.hir().attrs(start_id);
for attr in attrs {
if tcx.sess.check_name(attr, sym::track_caller) {
tcx.sess
.struct_span_err(

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@ -863,7 +863,8 @@ fn clean_fn_or_proc_macro(
name: &mut Symbol,
cx: &mut DocContext<'_>,
) -> ItemKind {
let macro_kind = item.attrs.iter().find_map(|a| {
let attrs = cx.tcx.hir().attrs(item.hir_id());
let macro_kind = attrs.iter().find_map(|a| {
if a.has_name(sym::proc_macro) {
Some(MacroKind::Bang)
} else if a.has_name(sym::proc_macro_derive) {
@ -877,8 +878,7 @@ fn clean_fn_or_proc_macro(
match macro_kind {
Some(kind) => {
if kind == MacroKind::Derive {
*name = item
.attrs
*name = attrs
.lists(sym::proc_macro_derive)
.find_map(|mi| mi.ident())
.expect("proc-macro derives require a name")
@ -886,7 +886,7 @@ fn clean_fn_or_proc_macro(
}
let mut helpers = Vec::new();
for mi in item.attrs.lists(sym::proc_macro_derive) {
for mi in attrs.lists(sym::proc_macro_derive) {
if !mi.has_name(sym::attributes) {
continue;
}
@ -2102,8 +2102,9 @@ fn clean_extern_crate(
let cnum = cx.tcx.extern_mod_stmt_cnum(krate.def_id).unwrap_or(LOCAL_CRATE);
// this is the ID of the crate itself
let crate_def_id = DefId { krate: cnum, index: CRATE_DEF_INDEX };
let attrs = cx.tcx.hir().attrs(krate.hir_id());
let please_inline = krate.vis.node.is_pub()
&& krate.attrs.iter().any(|a| {
&& attrs.iter().any(|a| {
a.has_name(sym::doc)
&& match a.meta_item_list() {
Some(l) => attr::list_contains_name(&l, sym::inline),
@ -2121,7 +2122,7 @@ fn clean_extern_crate(
cx.tcx.parent_module(krate.hir_id()).to_def_id(),
res,
name,
Some(krate.attrs),
Some(attrs),
&mut visited,
) {
return items;
@ -2130,7 +2131,7 @@ fn clean_extern_crate(
// FIXME: using `from_def_id_and_kind` breaks `rustdoc/masked` for some reason
vec![Item {
name: Some(name),
attrs: box krate.attrs.clean(cx),
attrs: box attrs.clean(cx),
source: krate.span.clean(cx),
def_id: crate_def_id,
visibility: krate.vis.clean(cx),
@ -2152,7 +2153,8 @@ fn clean_use_statement(
return Vec::new();
}
let inline_attr = import.attrs.lists(sym::doc).get_word_attr(sym::inline);
let attrs = cx.tcx.hir().attrs(import.hir_id());
let inline_attr = attrs.lists(sym::doc).get_word_attr(sym::inline);
let pub_underscore = import.vis.node.is_pub() && name == kw::Underscore;
if pub_underscore {
@ -2174,7 +2176,7 @@ fn clean_use_statement(
// Don't inline doc(hidden) imports so they can be stripped at a later stage.
let mut denied = !import.vis.node.is_pub()
|| pub_underscore
|| import.attrs.iter().any(|a| {
|| attrs.iter().any(|a| {
a.has_name(sym::doc)
&& match a.meta_item_list() {
Some(l) => {
@ -2214,7 +2216,7 @@ fn clean_use_statement(
cx.tcx.parent_module(import.hir_id()).to_def_id(),
path.res,
name,
Some(import.attrs),
Some(attrs),
&mut visited,
) {
items.push(Item::from_def_id_and_parts(

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@ -285,10 +285,12 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
return;
}
let attrs = self.cx.tcx.hir().attrs(item.hir_id());
// If there was a private module in the current path then don't bother inlining
// anything as it will probably be stripped anyway.
if item.vis.node.is_pub() && self.inside_public_path {
let please_inline = item.attrs.iter().any(|item| match item.meta_item_list() {
let please_inline = attrs.iter().any(|item| match item.meta_item_list() {
Some(ref list) if item.has_name(sym::doc) => {
list.iter().any(|i| i.has_name(sym::inline))
}

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@ -276,14 +276,15 @@ impl<'tcx> LateLintPass<'tcx> for Attributes {
}
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
let attrs = cx.tcx.hir().attrs(item.hir_id());
if is_relevant_item(cx, item) {
check_attrs(cx, item.span, item.ident.name, &item.attrs)
check_attrs(cx, item.span, item.ident.name, attrs)
}
match item.kind {
ItemKind::ExternCrate(..) | ItemKind::Use(..) => {
let skip_unused_imports = item.attrs.iter().any(|attr| attr.has_name(sym::macro_use));
let skip_unused_imports = attrs.iter().any(|attr| attr.has_name(sym::macro_use));
for attr in item.attrs {
for attr in attrs {
if in_external_macro(cx.sess(), attr.span) {
return;
}

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@ -170,7 +170,8 @@ impl<'tcx> LateLintPass<'tcx> for Derive {
}) = item.kind
{
let ty = cx.tcx.type_of(item.def_id);
let is_automatically_derived = is_automatically_derived(&*item.attrs);
let attrs = cx.tcx.hir().attrs(item.hir_id());
let is_automatically_derived = is_automatically_derived(attrs);
check_hash_peq(cx, item.span, trait_ref, ty, is_automatically_derived);
check_ord_partial_ord(cx, item.span, trait_ref, ty, is_automatically_derived);

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@ -214,7 +214,8 @@ impl<'tcx> LateLintPass<'tcx> for DocMarkdown {
}
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) {
let headers = check_attrs(cx, &self.valid_idents, &item.attrs);
let attrs = cx.tcx.hir().attrs(item.hir_id());
let headers = check_attrs(cx, &self.valid_idents, attrs);
match item.kind {
hir::ItemKind::Fn(ref sig, _, body_id) => {
if !(is_entrypoint_fn(cx, item.def_id.to_def_id()) || in_external_macro(cx.tcx.sess, item.span)) {

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@ -73,7 +73,8 @@ impl LateLintPass<'_> for ExhaustiveItems {
if_chain! {
if let ItemKind::Enum(..) | ItemKind::Struct(..) = item.kind;
if cx.access_levels.is_exported(item.hir_id());
if !item.attrs.iter().any(|a| a.has_name(sym::non_exhaustive));
let attrs = cx.tcx.hir().attrs(item.hir_id());
if !attrs.iter().any(|a| a.has_name(sym::non_exhaustive));
then {
let (lint, msg) = if let ItemKind::Struct(ref v, ..) = item.kind {
if v.fields().iter().any(|f| !f.vis.node.is_pub()) {

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@ -280,7 +280,8 @@ impl<'tcx> LateLintPass<'tcx> for Functions {
}
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) {
let attr = must_use_attr(&item.attrs);
let attrs = cx.tcx.hir().attrs(item.hir_id());
let attr = must_use_attr(attrs);
if let hir::ItemKind::Fn(ref sig, ref _generics, ref body_id) = item.kind {
let is_public = cx.access_levels.is_exported(item.hir_id());
let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
@ -291,7 +292,7 @@ impl<'tcx> LateLintPass<'tcx> for Functions {
check_needless_must_use(cx, &sig.decl, item.hir_id(), item.span, fn_header_span, attr);
return;
}
if is_public && !is_proc_macro(cx.sess(), &item.attrs) && attr_by_name(&item.attrs, "no_mangle").is_none() {
if is_public && !is_proc_macro(cx.sess(), attrs) && attr_by_name(attrs, "no_mangle").is_none() {
check_must_use_candidate(
cx,
&sig.decl,

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@ -107,8 +107,8 @@ impl<'tcx> LateLintPass<'tcx> for MacroUseImports {
if_chain! {
if cx.sess().opts.edition >= Edition::Edition2018;
if let hir::ItemKind::Use(path, _kind) = &item.kind;
if let Some(mac_attr) = item
.attrs
let attrs = cx.tcx.hir().attrs(item.hir_id());
if let Some(mac_attr) = attrs
.iter()
.find(|attr| attr.ident().map(|s| s.to_string()) == Some("macro_use".to_string()));
if let Res::Def(DefKind::Mod, id) = path.res;

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@ -161,7 +161,8 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
let (article, desc) = cx.tcx.article_and_description(it.def_id.to_def_id());
self.check_missing_docs_attrs(cx, &it.attrs, it.span, article, desc);
let attrs = cx.tcx.hir().attrs(it.hir_id());
self.check_missing_docs_attrs(cx, attrs, it.span, article, desc);
}
fn check_trait_item(&mut self, cx: &LateContext<'tcx>, trait_item: &'tcx hir::TraitItem<'_>) {

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@ -93,7 +93,8 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline {
match it.kind {
hir::ItemKind::Fn(..) => {
let desc = "a function";
check_missing_inline_attrs(cx, &it.attrs, it.span, desc);
let attrs = cx.tcx.hir().attrs(it.hir_id());
check_missing_inline_attrs(cx, attrs, it.span, desc);
},
hir::ItemKind::Trait(ref _is_auto, ref _unsafe, ref _generics, ref _bounds, trait_items) => {
// note: we need to check if the trait is exported so we can't use

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@ -115,8 +115,9 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBorrow {
}
}
fn check_item(&mut self, _: &LateContext<'tcx>, item: &'tcx Item<'_>) {
if is_automatically_derived(item.attrs) {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
let attrs = cx.tcx.hir().attrs(item.hir_id());
if is_automatically_derived(attrs) {
debug_assert!(self.derived_item.is_none());
self.derived_item = Some(item.def_id);
}

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@ -35,7 +35,8 @@ impl<'tcx> LateLintPass<'tcx> for PartialEqNeImpl {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
if_chain! {
if let ItemKind::Impl(Impl { of_trait: Some(ref trait_ref), items: impl_items, .. }) = item.kind;
if !is_automatically_derived(&*item.attrs);
let attrs = cx.tcx.hir().attrs(item.hir_id());
if !is_automatically_derived(attrs);
if let Some(eq_trait) = cx.tcx.lang_items().eq_trait();
if trait_ref.path.res.def_id() == eq_trait;
then {

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@ -33,7 +33,7 @@ declare_lint_pass!(DeepCodeInspector => [DEEP_CODE_INSPECTION]);
impl<'tcx> LateLintPass<'tcx> for DeepCodeInspector {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) {
if !has_attr(cx.sess(), &item.attrs) {
if !has_attr(cx.sess(), cx.tcx.hir().attrs(item.hir_id())) {
return;
}
print_item(cx, item);