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changelog: none
This commit is contained in:
bors 2021-07-15 08:37:36 +00:00
commit 54a20a02ec
14 changed files with 40 additions and 50 deletions
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2
CHANGELOG.md
View file

@ -592,7 +592,7 @@ Released 2021-02-11
* Previously deprecated [`str_to_string`] and [`string_to_string`] have been un-deprecated
as `restriction` lints [#6333](https://github.com/rust-lang/rust-clippy/pull/6333)
* Deprecate `panic_params` lint. This is now available in rustc as `non_fmt_panic`
* Deprecate `panic_params` lint. This is now available in rustc as `non_fmt_panics`
[#6351](https://github.com/rust-lang/rust-clippy/pull/6351)
* Move [`map_err_ignore`] to `restriction`
[#6416](https://github.com/rust-lang/rust-clippy/pull/6416)

17
clippy_lints/src/doc.rs
View file

@ -26,6 +26,7 @@ use rustc_span::source_map::{BytePos, FilePathMapping, MultiSpan, SourceMap, Spa
use rustc_span::{sym, FileName, Pos};
use std::io;
use std::ops::Range;
use std::thread;
use url::Url;
declare_clippy_lint! {
@ -584,17 +585,17 @@ fn get_current_span(spans: &[(usize, Span)], idx: usize) -> (usize, Span) {
}
fn check_code(cx: &LateContext<'_>, text: &str, edition: Edition, span: Span) {
fn has_needless_main(code: &str, edition: Edition) -> bool {
fn has_needless_main(code: String, edition: Edition) -> bool {
rustc_driver::catch_fatal_errors(|| {
rustc_span::with_session_globals(edition, || {
let filename = FileName::anon_source_code(code);
rustc_span::create_session_globals_then(edition, || {
let filename = FileName::anon_source_code(&code);
let sm = Lrc::new(SourceMap::new(FilePathMapping::empty()));
let emitter = EmitterWriter::new(box io::sink(), None, false, false, false, None, false);
let handler = Handler::with_emitter(false, None, box emitter);
let sess = ParseSess::with_span_handler(handler, sm);
let mut parser = match maybe_new_parser_from_source_str(&sess, filename, code.into()) {
let mut parser = match maybe_new_parser_from_source_str(&sess, filename, code) {
Ok(p) => p,
Err(errs) => {
for mut err in errs {
@ -649,7 +650,13 @@ fn check_code(cx: &LateContext<'_>, text: &str, edition: Edition, span: Span) {
.unwrap_or_default()
}
if has_needless_main(text, edition) {
// Because of the global session, we need to create a new session in a different thread with
// the edition we need.
let text = text.to_owned();
if thread::spawn(move || has_needless_main(text, edition))
.join()
.expect("thread::spawn failed")
{
span_lint(cx, NEEDLESS_DOCTEST_MAIN, span, "needless `fn main` in doctest");
}
}

2
clippy_lints/src/implicit_hasher.rs
View file

@ -1,5 +1,3 @@
#![allow(rustc::default_hash_types)]
use std::borrow::Cow;
use std::collections::BTreeMap;

2
clippy_lints/src/lib.rs
View file

@ -2177,7 +2177,7 @@ pub fn register_renamed(ls: &mut rustc_lint::LintStore) {
ls.register_renamed("clippy::unused_label", "unused_labels");
ls.register_renamed("clippy::drop_bounds", "drop_bounds");
ls.register_renamed("clippy::temporary_cstring_as_ptr", "temporary_cstring_as_ptr");
ls.register_renamed("clippy::panic_params", "non_fmt_panic");
ls.register_renamed("clippy::panic_params", "non_fmt_panics");
ls.register_renamed("clippy::unknown_clippy_lints", "unknown_lints");
}

9
clippy_lints/src/misc.rs
View file

@ -662,14 +662,7 @@ fn in_attributes_expansion(expr: &Expr<'_>) -> bool {
use rustc_span::hygiene::MacroKind;
if expr.span.from_expansion() {
let data = expr.span.ctxt().outer_expn_data();
matches!(
data.kind,
ExpnKind::Macro {
kind: MacroKind::Attr,
name: _,
proc_macro: _
}
)
matches!(data.kind, ExpnKind::Macro(MacroKind::Attr, _))
} else {
false
}

4
clippy_lints/src/mut_key.rs
View file

@ -120,8 +120,8 @@ fn is_mutable_type<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, span: Span) -> bo
},
Tuple(..) => ty.tuple_fields().any(|ty| is_mutable_type(cx, ty, span)),
Adt(..) => {
cx.tcx.layout_of(cx.param_env.and(ty)).is_ok()
&& !ty.has_escaping_bound_vars()
!ty.has_escaping_bound_vars()
&& cx.tcx.layout_of(cx.param_env.and(ty)).is_ok()
&& !ty.is_freeze(cx.tcx.at(span), cx.param_env)
},
_ => false,

7
clippy_lints/src/unit_types/unit_cmp.rs
View file

@ -8,12 +8,7 @@ use super::UNIT_CMP;
pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>) {
if expr.span.from_expansion() {
if let Some(callee) = expr.span.source_callee() {
if let ExpnKind::Macro {
kind: MacroKind::Bang,
name: symbol,
proc_macro: _,
} = callee.kind
{
if let ExpnKind::Macro(MacroKind::Bang, symbol) = callee.kind {
if let ExprKind::Binary(ref cmp, left, _) = expr.kind {
let op = cmp.node;
if op.is_comparison() && cx.typeck_results().expr_ty(left).is_unit() {

4
clippy_lints/src/utils/internal_lints/metadata_collector.rs
View file

@ -520,7 +520,9 @@ fn get_lint_group_and_level_or_lint(
lint_name: &str,
item: &'hir Item<'_>,
) -> Option<(String, &'static str)> {
let result = cx.lint_store.check_lint_name(lint_name, Some(sym::clippy));
let result = cx
.lint_store
.check_lint_name(cx.sess(), lint_name, Some(sym::clippy), &[]);
if let CheckLintNameResult::Tool(Ok(lint_lst)) = result {
if let Some(group) = get_lint_group(cx, lint_lst[0]) {
if EXCLUDED_LINT_GROUPS.contains(&group.as_str()) {

4
clippy_utils/src/higher.rs
View file

@ -285,7 +285,7 @@ impl FormatExpn<'tcx> {
if let Some(init) = local.init;
if let ExprKind::Call(_, [format_args]) = init.kind;
let expn_data = expr.span.ctxt().outer_expn_data();
if let ExpnKind::Macro { name: sym::format, .. } = expn_data.kind;
if let ExpnKind::Macro(_, sym::format) = expn_data.kind;
if let Some(format_args) = FormatArgsExpn::parse(format_args);
then {
Some(FormatExpn {
@ -320,7 +320,7 @@ impl FormatArgsExpn<'tcx> {
/// Parses an expanded `format_args!` or `format_args_nl!` invocation
pub fn parse(expr: &'tcx Expr<'tcx>) -> Option<Self> {
if_chain! {
if let ExpnKind::Macro { name, .. } = expr.span.ctxt().outer_expn_data().kind;
if let ExpnKind::Macro(_, name) = expr.span.ctxt().outer_expn_data().kind;
let name = name.as_str();
if name.ends_with("format_args") || name.ends_with("format_args_nl");
if let ExprKind::Call(_, args) = expr.kind;

16
clippy_utils/src/lib.rs
View file

@ -483,7 +483,7 @@ pub fn path_to_res(cx: &LateContext<'_>, path: &[&str]) -> Res {
_ => return Res::Err,
};
let tcx = cx.tcx;
let crates = tcx.crates();
let crates = tcx.crates(());
let krate = try_res!(crates.iter().find(|&&num| tcx.crate_name(num).as_str() == krate));
let first = try_res!(item_child_by_name(tcx, krate.as_def_id(), first));
let last = path
@ -953,12 +953,7 @@ pub fn is_expn_of(mut span: Span, name: &str) -> Option<Span> {
let data = span.ctxt().outer_expn_data();
let new_span = data.call_site;
if let ExpnKind::Macro {
kind: MacroKind::Bang,
name: mac_name,
proc_macro: _,
} = data.kind
{
if let ExpnKind::Macro(MacroKind::Bang, mac_name) = data.kind {
if mac_name.as_str() == name {
return Some(new_span);
}
@ -986,12 +981,7 @@ pub fn is_direct_expn_of(span: Span, name: &str) -> Option<Span> {
let data = span.ctxt().outer_expn_data();
let new_span = data.call_site;
if let ExpnKind::Macro {
kind: MacroKind::Bang,
name: mac_name,
proc_macro: _,
} = data.kind
{
if let ExpnKind::Macro(MacroKind::Bang, mac_name) = data.kind {
if mac_name.as_str() == name {
return Some(new_span);
}

15
clippy_utils/src/ty.rs
View file

@ -14,6 +14,7 @@ use rustc_middle::ty::{self, AdtDef, IntTy, Ty, TypeFoldable, UintTy};
use rustc_span::sym;
use rustc_span::symbol::{Ident, Symbol};
use rustc_span::DUMMY_SP;
use rustc_trait_selection::infer::InferCtxtExt;
use rustc_trait_selection::traits::query::normalize::AtExt;
use crate::{match_def_path, must_use_attr};
@ -112,6 +113,7 @@ pub fn has_iter_method(cx: &LateContext<'_>, probably_ref_ty: Ty<'_>) -> Option<
}
/// Checks whether a type implements a trait.
/// The function returns false in case the type contains an inference variable.
/// See also `get_trait_def_id`.
pub fn implements_trait<'tcx>(
cx: &LateContext<'tcx>,
@ -119,16 +121,19 @@ pub fn implements_trait<'tcx>(
trait_id: DefId,
ty_params: &[GenericArg<'tcx>],
) -> bool {
// Do not check on infer_types to avoid panic in evaluate_obligation.
if ty.has_infer_types() {
return false;
}
// Clippy shouldn't have infer types
assert!(!ty.needs_infer());
let ty = cx.tcx.erase_regions(ty);
if ty.has_escaping_bound_vars() {
return false;
}
let ty_params = cx.tcx.mk_substs(ty_params.iter());
cx.tcx.type_implements_trait((trait_id, ty, ty_params, cx.param_env))
cx.tcx.infer_ctxt().enter(|infcx| {
infcx
.type_implements_trait(trait_id, ty, ty_params, cx.param_env)
.must_apply_modulo_regions()
})
}
/// Checks whether this type implements `Drop`.

2
rust-toolchain
View file

@ -1,3 +1,3 @@
[toolchain]
channel = "nightly-2021-07-01"
channel = "nightly-2021-07-15"
components = ["llvm-tools-preview", "rustc-dev", "rust-src"]

2
tests/ui/assertions_on_constants.rs
View file

@ -1,4 +1,4 @@
#![allow(non_fmt_panic)]
#![allow(non_fmt_panics)]
macro_rules! assert_const {
($len:expr) => {

4
tests/ui/deprecated.stderr
View file

@ -60,11 +60,11 @@ error: lint `clippy::temporary_cstring_as_ptr` has been renamed to `temporary_cs
LL | #[warn(clippy::temporary_cstring_as_ptr)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `temporary_cstring_as_ptr`
error: lint `clippy::panic_params` has been renamed to `non_fmt_panic`
error: lint `clippy::panic_params` has been renamed to `non_fmt_panics`
--> $DIR/deprecated.rs:11:8
|
LL | #[warn(clippy::panic_params)]
| ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `non_fmt_panic`
| ^^^^^^^^^^^^^^^^^^^^ help: use the new name: `non_fmt_panics`
error: lint `clippy::unknown_clippy_lints` has been renamed to `unknown_lints`
--> $DIR/deprecated.rs:12:8