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rustc_hir: Change representation of import paths to support multiple resolutions

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This commit is contained in:
Vadim Petrochenkov 2022-11-25 17:39:38 +03:00
parent 4f8c49e950
commit 9314e5b942
5 changed files with 41 additions and 32 deletions
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4
clippy_lints/src/disallowed_types.rs
View File

@ -106,7 +106,9 @@ impl<'tcx> LateLintPass<'tcx> for DisallowedTypes {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) {
if let ItemKind::Use(path, UseKind::Single) = &item.kind {
self.check_res_emit(cx, &path.res, item.span);
for res in &path.res {
self.check_res_emit(cx, res, item.span);
}
}
}

5
clippy_lints/src/macro_use.rs
View File

@ -94,7 +94,10 @@ impl<'tcx> LateLintPass<'tcx> for MacroUseImports {
let hir_id = item.hir_id();
let attrs = cx.tcx.hir().attrs(hir_id);
if let Some(mac_attr) = attrs.iter().find(|attr| attr.has_name(sym::macro_use));
if let Res::Def(DefKind::Mod, id) = path.res;
if let Some(id) = path.res.iter().find_map(|res| match res {
Res::Def(DefKind::Mod, id) => Some(id),
_ => None,
});
if !id.is_local();
then {
for kid in cx.tcx.module_children(id).iter() {

59
clippy_lints/src/missing_enforced_import_rename.rs
View File

@ -66,35 +66,38 @@ impl LateLintPass<'_> for ImportRename {
}
fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) {
if_chain! {
if let ItemKind::Use(path, UseKind::Single) = &item.kind;
if let Res::Def(_, id) = path.res;
if let Some(name) = self.renames.get(&id);
// Remove semicolon since it is not present for nested imports
let span_without_semi = cx.sess().source_map().span_until_char(item.span, ';');
if let Some(snip) = snippet_opt(cx, span_without_semi);
if let Some(import) = match snip.split_once(" as ") {
None => Some(snip.as_str()),
Some((import, rename)) => {
if rename.trim() == name.as_str() {
None
} else {
Some(import.trim())
if let ItemKind::Use(path, UseKind::Single) = &item.kind {
for &res in &path.res {
if_chain! {
if let Res::Def(_, id) = res;
if let Some(name) = self.renames.get(&id);
// Remove semicolon since it is not present for nested imports
let span_without_semi = cx.sess().source_map().span_until_char(item.span, ';');
if let Some(snip) = snippet_opt(cx, span_without_semi);
if let Some(import) = match snip.split_once(" as ") {
None => Some(snip.as_str()),
Some((import, rename)) => {
if rename.trim() == name.as_str() {
None
} else {
Some(import.trim())
}
},
};
then {
span_lint_and_sugg(
cx,
MISSING_ENFORCED_IMPORT_RENAMES,
span_without_semi,
"this import should be renamed",
"try",
format!(
"{import} as {name}",
),
Applicability::MachineApplicable,
);
}
},
};
then {
span_lint_and_sugg(
cx,
MISSING_ENFORCED_IMPORT_RENAMES,
span_without_semi,
"this import should be renamed",
"try",
format!(
"{import} as {name}",
),
Applicability::MachineApplicable,
);
}
}
}
}

2
clippy_lints/src/redundant_pub_crate.rs
View File

@ -84,7 +84,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantPubCrate {
fn is_not_macro_export<'tcx>(item: &'tcx Item<'tcx>) -> bool {
if let ItemKind::Use(path, _) = item.kind {
if let Res::Def(DefKind::Macro(MacroKind::Bang), _) = path.res {
if path.res.iter().all(|res| matches!(res, Res::Def(DefKind::Macro(MacroKind::Bang), _))) {
return false;
}
} else if let ItemKind::Macro(..) = item.kind {

3
clippy_lints/src/wildcard_imports.rs
View File

@ -176,7 +176,8 @@ impl LateLintPass<'_> for WildcardImports {
format!("{import_source_snippet}::{imports_string}")
};
let (lint, message) = if let Res::Def(DefKind::Enum, _) = use_path.res {
// Glob imports always have a single resolution.
let (lint, message) = if let Res::Def(DefKind::Enum, _) = use_path.res[0] {
(ENUM_GLOB_USE, "usage of wildcard import for enum variants")
} else {
(WILDCARD_IMPORTS, "usage of wildcard import")