Only store a LocalDefId in hir::Item.

Items are guaranteed to be HIR owner.
This commit is contained in:
Camille GILLOT 2021-01-30 17:47:51 +01:00
parent bd3cd5dbed
commit cebbba081e
86 changed files with 483 additions and 565 deletions

View file

@ -135,16 +135,15 @@ impl Clean<ExternalCrate> for CrateNum {
.filter_map(|&id| {
let item = cx.tcx.hir().item(id);
match item.kind {
hir::ItemKind::Mod(_) => as_primitive(Res::Def(
DefKind::Mod,
cx.tcx.hir().local_def_id(id.id).to_def_id(),
)),
hir::ItemKind::Mod(_) => {
as_primitive(Res::Def(DefKind::Mod, id.def_id.to_def_id()))
}
hir::ItemKind::Use(ref path, hir::UseKind::Single)
if item.vis.node.is_pub() =>
{
as_primitive(path.res).map(|(_, prim)| {
// Pretend the primitive is local.
(cx.tcx.hir().local_def_id(id.id).to_def_id(), prim)
(id.def_id.to_def_id(), prim)
})
}
_ => None,
@ -187,16 +186,13 @@ impl Clean<ExternalCrate> for CrateNum {
.filter_map(|&id| {
let item = cx.tcx.hir().item(id);
match item.kind {
hir::ItemKind::Mod(_) => as_keyword(Res::Def(
DefKind::Mod,
cx.tcx.hir().local_def_id(id.id).to_def_id(),
)),
hir::ItemKind::Mod(_) => {
as_keyword(Res::Def(DefKind::Mod, id.def_id.to_def_id()))
}
hir::ItemKind::Use(ref path, hir::UseKind::Single)
if item.vis.node.is_pub() =>
{
as_keyword(path.res).map(|(_, prim)| {
(cx.tcx.hir().local_def_id(id.id).to_def_id(), prim)
})
as_keyword(path.res).map(|(_, prim)| (id.def_id.to_def_id(), prim))
}
_ => None,
}
@ -912,7 +908,7 @@ fn clean_fn_or_proc_macro(
}
None => {
let mut func = (sig, generics, body_id).clean(cx);
let def_id = cx.tcx.hir().local_def_id(item.hir_id).to_def_id();
let def_id = item.def_id.to_def_id();
func.header.constness =
if is_const_fn(cx.tcx, def_id) && is_unstable_const_fn(cx.tcx, def_id).is_none() {
hir::Constness::Const
@ -1950,8 +1946,8 @@ impl Clean<Vec<Item>> for (&hir::Item<'_>, Option<Symbol>) {
use hir::ItemKind;
let (item, renamed) = self;
let def_id = cx.tcx.hir().local_def_id(item.hir_id).to_def_id();
let mut name = renamed.unwrap_or_else(|| cx.tcx.hir().name(item.hir_id));
let def_id = item.def_id.to_def_id();
let mut name = renamed.unwrap_or_else(|| cx.tcx.hir().name(item.hir_id()));
cx.with_param_env(def_id, || {
let kind = match item.kind {
ItemKind::Static(ty, mutability, body_id) => {
@ -1999,7 +1995,7 @@ impl Clean<Vec<Item>> for (&hir::Item<'_>, Option<Symbol>) {
fields: variant_data.fields().clean(cx),
fields_stripped: false,
}),
ItemKind::Impl(ref impl_) => return clean_impl(impl_, item.hir_id, cx),
ItemKind::Impl(ref impl_) => return clean_impl(impl_, item.hir_id(), cx),
// proc macros can have a name set by attributes
ItemKind::Fn(ref sig, ref generics, body_id) => {
clean_fn_or_proc_macro(item, sig, generics, body_id, &mut name, cx)
@ -2107,8 +2103,7 @@ fn clean_extern_crate(
cx: &DocContext<'_>,
) -> Vec<Item> {
// this is the ID of the `extern crate` statement
let def_id = cx.tcx.hir().local_def_id(krate.hir_id);
let cnum = cx.tcx.extern_mod_stmt_cnum(def_id).unwrap_or(LOCAL_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 please_inline = krate.vis.node.is_pub()
@ -2127,7 +2122,7 @@ fn clean_extern_crate(
if let Some(items) = inline::try_inline(
cx,
cx.tcx.parent_module(krate.hir_id).to_def_id(),
cx.tcx.parent_module(krate.hir_id()).to_def_id(),
res,
name,
Some(krate.attrs),
@ -2196,7 +2191,6 @@ fn clean_use_statement(
// Also check whether imports were asked to be inlined, in case we're trying to re-export a
// crate in Rust 2018+
let def_id = cx.tcx.hir().local_def_id(import.hir_id).to_def_id();
let path = path.clean(cx);
let inner = if kind == hir::UseKind::Glob {
if !denied {
@ -2221,14 +2215,14 @@ fn clean_use_statement(
if let Some(mut items) = inline::try_inline(
cx,
cx.tcx.parent_module(import.hir_id).to_def_id(),
cx.tcx.parent_module(import.hir_id()).to_def_id(),
path.res,
name,
Some(import.attrs),
&mut visited,
) {
items.push(Item::from_def_id_and_parts(
def_id,
import.def_id.to_def_id(),
None,
ImportItem(Import::new_simple(name, resolve_use_source(cx, path), false)),
cx,
@ -2239,7 +2233,7 @@ fn clean_use_statement(
Import::new_simple(name, resolve_use_source(cx, path), true)
};
vec![Item::from_def_id_and_parts(def_id, None, ImportItem(inner), cx)]
vec![Item::from_def_id_and_parts(import.def_id.to_def_id(), None, ImportItem(inner), cx)]
}
impl Clean<Item> for (&hir::ForeignItem<'_>, Option<Symbol>) {

View file

@ -1050,7 +1050,7 @@ impl<'a, 'hir, 'tcx> intravisit::Visitor<'hir> for HirCollector<'a, 'hir, 'tcx>
item.ident.to_string()
};
self.visit_testable(name, &item.attrs, item.hir_id, item.span, |this| {
self.visit_testable(name, &item.attrs, item.hir_id(), item.span, |this| {
intravisit::walk_item(this, item);
});
}

View file

@ -270,8 +270,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
let name = renamed.unwrap_or(item.ident.name);
if item.vis.node.is_pub() {
let def_id = self.cx.tcx.hir().local_def_id(item.hir_id);
self.store_path(def_id.to_def_id());
self.store_path(item.def_id.to_def_id());
}
match item.kind {
@ -305,7 +304,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
});
let ident = if is_glob { None } else { Some(name) };
if self.maybe_inline_local(
item.hir_id,
item.hir_id(),
path.res,
ident,
is_glob,
@ -322,7 +321,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> {
om.mods.push(self.visit_mod_contents(
item.span,
&item.vis,
item.hir_id,
item.hir_id(),
m,
Some(name),
));

View file

@ -38,7 +38,7 @@ impl<'tcx> LateLintPass<'tcx> for CopyIterator {
..
}) = item.kind
{
let ty = cx.tcx.type_of(cx.tcx.hir().local_def_id(item.hir_id));
let ty = cx.tcx.type_of(item.def_id);
if is_copy(cx, ty) && match_path(&trait_ref.path, &paths::ITERATOR) {
span_lint_and_note(

View file

@ -169,7 +169,7 @@ impl<'tcx> LateLintPass<'tcx> for Derive {
..
}) = item.kind
{
let ty = cx.tcx.type_of(cx.tcx.hir().local_def_id(item.hir_id));
let ty = cx.tcx.type_of(item.def_id);
let is_automatically_derived = is_automatically_derived(&*item.attrs);
check_hash_peq(cx, item.span, trait_ref, ty, is_automatically_derived);

View file

@ -216,18 +216,17 @@ impl<'tcx> LateLintPass<'tcx> for DocMarkdown {
let headers = check_attrs(cx, &self.valid_idents, &item.attrs);
match item.kind {
hir::ItemKind::Fn(ref sig, _, body_id) => {
if !(is_entrypoint_fn(cx, cx.tcx.hir().local_def_id(item.hir_id).to_def_id())
if !(is_entrypoint_fn(cx, item.def_id.to_def_id())
|| in_external_macro(cx.tcx.sess, item.span))
{
let body = cx.tcx.hir().body(body_id);
let impl_item_def_id = cx.tcx.hir().local_def_id(item.hir_id);
let mut fpu = FindPanicUnwrap {
cx,
typeck_results: cx.tcx.typeck(impl_item_def_id),
typeck_results: cx.tcx.typeck(item.def_id),
panic_span: None,
};
fpu.visit_expr(&body.value);
lint_for_missing_headers(cx, item.hir_id, item.span, sig, headers, Some(body_id), fpu.panic_span);
lint_for_missing_headers(cx, item.hir_id(), item.span, sig, headers, Some(body_id), fpu.panic_span);
}
},
hir::ItemKind::Impl(ref impl_) => {

View file

@ -49,9 +49,8 @@ impl<'tcx> LateLintPass<'tcx> for EmptyEnum {
return;
}
let did = cx.tcx.hir().local_def_id(item.hir_id);
if let ItemKind::Enum(..) = item.kind {
let ty = cx.tcx.type_of(did);
let ty = cx.tcx.type_of(item.def_id);
let adt = ty.ty_adt_def().expect("already checked whether this is an enum");
if adt.variants.is_empty() {
span_lint_and_help(

View file

@ -72,7 +72,7 @@ impl LateLintPass<'_> for ExhaustiveItems {
fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) {
if_chain! {
if let ItemKind::Enum(..) | ItemKind::Struct(..) = item.kind;
if cx.access_levels.is_exported(item.hir_id);
if cx.access_levels.is_exported(item.hir_id());
if !item.attrs.iter().any(|a| a.has_name(sym::non_exhaustive));
then {
let (lint, msg) = if let ItemKind::Struct(ref v, ..) = item.kind {

View file

@ -52,10 +52,9 @@ declare_lint_pass!(FallibleImplFrom => [FALLIBLE_IMPL_FROM]);
impl<'tcx> LateLintPass<'tcx> for FallibleImplFrom {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) {
// check for `impl From<???> for ..`
let impl_def_id = cx.tcx.hir().local_def_id(item.hir_id);
if_chain! {
if let hir::ItemKind::Impl(impl_) = &item.kind;
if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(impl_def_id);
if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(item.def_id);
if cx.tcx.is_diagnostic_item(sym::from_trait, impl_trait_ref.def_id);
then {
lint_impl_body(cx, item.span, impl_.items);

View file

@ -60,10 +60,9 @@ impl LateLintPass<'_> for FromOverInto {
return;
}
let impl_def_id = cx.tcx.hir().local_def_id(item.hir_id);
if_chain! {
if let hir::ItemKind::Impl{ .. } = &item.kind;
if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(impl_def_id);
if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(item.def_id);
if match_def_path(cx, impl_trait_ref.def_id, &INTO);
then {

View file

@ -283,13 +283,13 @@ 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);
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 is_public = cx.access_levels.is_exported(item.hir_id());
let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
if is_public {
check_result_unit_err(cx, &sig.decl, item.span, fn_header_span);
}
if let Some(attr) = attr {
check_needless_must_use(cx, &sig.decl, item.hir_id, item.span, fn_header_span, attr);
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() {
@ -298,7 +298,7 @@ impl<'tcx> LateLintPass<'tcx> for Functions {
&sig.decl,
cx.tcx.hir().body(*body_id),
item.span,
item.hir_id,
item.hir_id(),
item.span.with_hi(sig.decl.output.span().hi()),
"this function could have a `#[must_use]` attribute",
);

View file

@ -59,20 +59,15 @@ impl<'tcx> LateLintPass<'tcx> for MultipleInherentImpl {
// but filter out implementations that have generic params (type or lifetime)
// or are derived from a macro
if !in_macro(item.span) && generics.params.is_empty() {
self.impls.insert(item.hir_id.owner.to_def_id(), item.span);
self.impls.insert(item.def_id.to_def_id(), item.span);
}
}
}
fn check_crate_post(&mut self, cx: &LateContext<'tcx>, krate: &'tcx Crate<'_>) {
if let Some(item) = krate.items.values().next() {
if !krate.items.is_empty() {
// Retrieve all inherent implementations from the crate, grouped by type
for impls in cx
.tcx
.crate_inherent_impls(item.hir_id.owner.to_def_id().krate)
.inherent_impls
.values()
{
for impls in cx.tcx.crate_inherent_impls(def_id::LOCAL_CRATE).inherent_impls.values() {
// Filter out implementations that have generic params (type or lifetime)
let mut impl_spans = impls.iter().filter_map(|impl_def| self.impls.get(impl_def));
if let Some(initial_span) = impl_spans.next() {

View file

@ -62,9 +62,8 @@ impl<'tcx> LateLintPass<'tcx> for LargeEnumVariant {
if in_external_macro(cx.tcx.sess, item.span) {
return;
}
let did = cx.tcx.hir().local_def_id(item.hir_id);
if let ItemKind::Enum(ref def, _) = item.kind {
let ty = cx.tcx.type_of(did);
let ty = cx.tcx.type_of(item.def_id);
let adt = ty.ty_adt_def().expect("already checked whether this is an enum");
let mut largest_variant: Option<(_, _)> = None;

View file

@ -177,10 +177,9 @@ fn check_trait_items(cx: &LateContext<'_>, visited_trait: &Item<'_>, trait_items
}
}
if cx.access_levels.is_exported(visited_trait.hir_id) && trait_items.iter().any(|i| is_named_self(cx, i, "len")) {
if cx.access_levels.is_exported(visited_trait.hir_id()) && trait_items.iter().any(|i| is_named_self(cx, i, "len")) {
let mut current_and_super_traits = FxHashSet::default();
let visited_trait_def_id = cx.tcx.hir().local_def_id(visited_trait.hir_id);
fill_trait_set(visited_trait_def_id.to_def_id(), &mut current_and_super_traits, cx);
fill_trait_set(visited_trait.def_id.to_def_id(), &mut current_and_super_traits, cx);
let is_empty_method_found = current_and_super_traits
.iter()
@ -230,8 +229,7 @@ fn check_impl_items(cx: &LateContext<'_>, item: &Item<'_>, impl_items: &[ImplIte
if let Some(i) = impl_items.iter().find(|i| is_named_self(cx, i, "len")) {
if cx.access_levels.is_exported(i.id.hir_id) {
let def_id = cx.tcx.hir().local_def_id(item.hir_id);
let ty = cx.tcx.type_of(def_id);
let ty = cx.tcx.type_of(item.def_id);
span_lint(
cx,

View file

@ -1687,8 +1687,7 @@ impl<'tcx> LateLintPass<'tcx> for Methods {
let name = impl_item.ident.name.as_str();
let parent = cx.tcx.hir().get_parent_item(impl_item.hir_id);
let item = cx.tcx.hir().expect_item(parent);
let def_id = cx.tcx.hir().local_def_id(item.hir_id);
let self_ty = cx.tcx.type_of(def_id);
let self_ty = cx.tcx.type_of(item.def_id);
// if this impl block implements a trait, lint in trait definition instead
if let hir::ItemKind::Impl(hir::Impl { of_trait: Some(_), .. }) = item.kind {

View file

@ -135,8 +135,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
hir::ItemKind::Fn(..) => {
// ignore main()
if it.ident.name == sym::main {
let def_id = it.hir_id.owner;
let def_key = cx.tcx.hir().def_key(def_id);
let def_key = cx.tcx.hir().def_key(it.def_id);
if def_key.parent == Some(hir::def_id::CRATE_DEF_INDEX) {
return;
}
@ -159,8 +158,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
| hir::ItemKind::Use(..) => return,
};
let def_id = cx.tcx.hir().local_def_id(it.hir_id);
let (article, desc) = cx.tcx.article_and_description(def_id.to_def_id());
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);
}

View file

@ -87,7 +87,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline {
return;
}
if !cx.access_levels.is_exported(it.hir_id) {
if !cx.access_levels.is_exported(it.hir_id()) {
return;
}
match it.kind {

View file

@ -57,7 +57,7 @@ declare_lint_pass!(MutableKeyType => [ MUTABLE_KEY_TYPE ]);
impl<'tcx> LateLintPass<'tcx> for MutableKeyType {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) {
if let hir::ItemKind::Fn(ref sig, ..) = item.kind {
check_sig(cx, item.hir_id, &sig.decl);
check_sig(cx, item.hir_id(), &sig.decl);
}
}

View file

@ -5,11 +5,12 @@
use crate::utils::{is_automatically_derived, snippet_opt, span_lint_and_then};
use if_chain::if_chain;
use rustc_errors::Applicability;
use rustc_hir::{BindingAnnotation, BorrowKind, Expr, ExprKind, HirId, Item, Mutability, Pat, PatKind};
use rustc_hir::{BindingAnnotation, BorrowKind, Expr, ExprKind, Item, Mutability, Pat, PatKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty;
use rustc_middle::ty::adjustment::{Adjust, Adjustment};
use rustc_session::{declare_tool_lint, impl_lint_pass};
use rustc_span::def_id::LocalDefId;
declare_clippy_lint! {
/// **What it does:** Checks for address of operations (`&`) that are going to
@ -35,7 +36,7 @@ declare_clippy_lint! {
#[derive(Default)]
pub struct NeedlessBorrow {
derived_item: Option<HirId>,
derived_item: Option<LocalDefId>,
}
impl_lint_pass!(NeedlessBorrow => [NEEDLESS_BORROW]);
@ -117,13 +118,13 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessBorrow {
fn check_item(&mut self, _: &LateContext<'tcx>, item: &'tcx Item<'_>) {
if is_automatically_derived(item.attrs) {
debug_assert!(self.derived_item.is_none());
self.derived_item = Some(item.hir_id);
self.derived_item = Some(item.def_id);
}
}
fn check_item_post(&mut self, _: &LateContext<'tcx>, item: &'tcx Item<'_>) {
if let Some(id) = self.derived_item {
if item.hir_id == id {
if item.def_id == id {
self.derived_item = None;
}
}

View file

@ -124,7 +124,7 @@ declare_lint_pass!(Ptr => [PTR_ARG, CMP_NULL, MUT_FROM_REF]);
impl<'tcx> LateLintPass<'tcx> for Ptr {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
if let ItemKind::Fn(ref sig, _, body_id) = item.kind {
check_fn(cx, &sig.decl, item.hir_id, Some(body_id));
check_fn(cx, &sig.decl, item.hir_id(), Some(body_id));
}
}

View file

@ -42,11 +42,10 @@ impl_lint_pass!(RedundantPubCrate => [REDUNDANT_PUB_CRATE]);
impl<'tcx> LateLintPass<'tcx> for RedundantPubCrate {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) {
if let VisibilityKind::Crate { .. } = item.vis.node {
if !cx.access_levels.is_exported(item.hir_id) {
if !cx.access_levels.is_exported(item.hir_id()) {
if let Some(false) = self.is_exported.last() {
let span = item.span.with_hi(item.ident.span.hi());
let def_id = cx.tcx.hir().local_def_id(item.hir_id);
let descr = cx.tcx.def_kind(def_id).descr(def_id.to_def_id());
let descr = cx.tcx.def_kind(item.def_id).descr(item.def_id.to_def_id());
span_lint_and_then(
cx,
REDUNDANT_PUB_CRATE,
@ -66,7 +65,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantPubCrate {
}
if let ItemKind::Mod { .. } = item.kind {
self.is_exported.push(cx.access_levels.is_exported(item.hir_id));
self.is_exported.push(cx.access_levels.is_exported(item.hir_id()));
}
}

View file

@ -1106,7 +1106,9 @@ fn is_empty_block(expr: &Expr<'_>) -> bool {
expr.kind,
ExprKind::Block(
Block {
stmts: &[], expr: None, ..
stmts: &[],
expr: None,
..
},
_,
)
@ -2565,7 +2567,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitHasher {
}
}
if !cx.access_levels.is_exported(item.hir_id) {
if !cx.access_levels.is_exported(item.hir_id()) {
return;
}

View file

@ -196,8 +196,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf {
item_path,
cx,
};
let impl_def_id = cx.tcx.hir().local_def_id(item.hir_id);
let impl_trait_ref = cx.tcx.impl_trait_ref(impl_def_id);
let impl_trait_ref = cx.tcx.impl_trait_ref(item.def_id);
if let Some(impl_trait_ref) = impl_trait_ref {
for impl_item_ref in impl_.items {

View file

@ -370,7 +370,7 @@ fn print_expr(cx: &LateContext<'_>, expr: &hir::Expr<'_>, indent: usize) {
}
fn print_item(cx: &LateContext<'_>, item: &hir::Item<'_>) {
let did = cx.tcx.hir().local_def_id(item.hir_id);
let did = item.def_id;
println!("item `{}`", item.ident.name);
match item.vis.node {
hir::VisibilityKind::Public => println!("public"),
@ -383,8 +383,7 @@ fn print_item(cx: &LateContext<'_>, item: &hir::Item<'_>) {
}
match item.kind {
hir::ItemKind::ExternCrate(ref _renamed_from) => {
let def_id = cx.tcx.hir().local_def_id(item.hir_id);
if let Some(crate_id) = cx.tcx.extern_mod_stmt_cnum(def_id) {
if let Some(crate_id) = cx.tcx.extern_mod_stmt_cnum(did) {
let source = cx.tcx.used_crate_source(crate_id);
if let Some(ref src) = source.dylib {
println!("extern crate dylib source: {:?}", src.0);

View file

@ -113,7 +113,7 @@ impl LateLintPass<'_> for WildcardImports {
if_chain! {
if let ItemKind::Use(use_path, UseKind::Glob) = &item.kind;
if self.warn_on_all || !self.check_exceptions(item, use_path.segments);
let used_imports = cx.tcx.names_imported_by_glob_use(item.hir_id.owner);
let used_imports = cx.tcx.names_imported_by_glob_use(item.def_id);
if !used_imports.is_empty(); // Already handled by `unused_imports`
then {
let mut applicability = Applicability::MachineApplicable;