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Rollup merge of rust-lang#130553 - GnomedDev:remove-clippy-paths, r=c…
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…ompiler-errors

[Clippy] Get rid of most `std` `match_def_path` usage, swap to diagnostic items.

Part of rust-lang/rust-clippy#5393.

This was going to remove all `std` paths, but `SeekFrom` has issues being cleanly replaced with a diagnostic item as the paths are for variants, which currently cannot be diagnostic items.

This also, as a last step, categories the paths to help with future path removals.
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matthiaskrgr authored Sep 19, 2024
2 parents 767ae2b + 13d5732 commit 569153a
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Showing 42 changed files with 203 additions and 163 deletions.
46 changes: 46 additions & 0 deletions compiler/rustc_span/src/symbol.rs
Original file line number Diff line number Diff line change
Expand Up @@ -342,6 +342,7 @@ symbols! {
Upvars,
Vec,
VecDeque,
Waker,
Wrapper,
Wrapping,
Yield,
Expand Down Expand Up @@ -501,6 +502,7 @@ symbols! {
black_box,
block,
bool,
bool_then,
borrowck_graphviz_format,
borrowck_graphviz_postflow,
box_new,
Expand All @@ -512,6 +514,8 @@ symbols! {
breakpoint,
bridge,
bswap,
btreemap_contains_key,
btreemap_insert,
btreeset_iter,
builtin_syntax,
c,
Expand Down Expand Up @@ -680,6 +684,7 @@ symbols! {
crt_dash_static: "crt-static",
csky_target_feature,
cstr_type,
cstring_as_c_str,
cstring_type,
ctlz,
ctlz_nonzero,
Expand Down Expand Up @@ -835,6 +840,7 @@ symbols! {
f16_nan,
f16c_target_feature,
f32,
f32_epsilon,
f32_legacy_const_digits,
f32_legacy_const_epsilon,
f32_legacy_const_infinity,
Expand All @@ -851,6 +857,7 @@ symbols! {
f32_legacy_const_radix,
f32_nan,
f64,
f64_epsilon,
f64_legacy_const_digits,
f64_legacy_const_epsilon,
f64_legacy_const_infinity,
Expand Down Expand Up @@ -888,6 +895,7 @@ symbols! {
field,
field_init_shorthand,
file,
file_options,
float,
float_to_int_unchecked,
floorf128,
Expand Down Expand Up @@ -973,7 +981,17 @@ symbols! {
half_open_range_patterns,
half_open_range_patterns_in_slices,
hash,
hashmap_contains_key,
hashmap_drain_ty,
hashmap_insert,
hashmap_iter_mut_ty,
hashmap_iter_ty,
hashmap_keys_ty,
hashmap_values_mut_ty,
hashmap_values_ty,
hashset_drain_ty,
hashset_iter,
hashset_iter_ty,
hexagon_target_feature,
hidden,
homogeneous_aggregate,
Expand Down Expand Up @@ -1052,6 +1070,7 @@ symbols! {
inline_const,
inline_const_pat,
inout,
instant_now,
instruction_set,
integer_: "integer", // underscore to avoid clashing with the function `sym::integer` below
integral,
Expand Down Expand Up @@ -1352,17 +1371,22 @@ symbols! {
on,
on_unimplemented,
opaque,
open_options_new,
ops,
opt_out_copy,
optimize,
optimize_attribute,
optin_builtin_traits,
option,
option_env,
option_expect,
option_unwrap,
options,
or,
or_patterns,
ord_cmp_method,
os_str_to_os_string,
os_string_as_os_str,
other,
out,
overflow_checks,
Expand Down Expand Up @@ -1416,10 +1440,14 @@ symbols! {
pat_param,
patchable_function_entry,
path,
path_main_separator,
path_to_pathbuf,
pathbuf_as_path,
pattern_complexity,
pattern_parentheses,
pattern_type,
pattern_types,
permissions_from_mode,
phantom_data,
pic,
pie,
Expand Down Expand Up @@ -1571,6 +1599,7 @@ symbols! {
residual,
result,
result_ffi_guarantees,
result_ok_method,
resume,
return_position_impl_trait_in_trait,
return_type_notation,
Expand Down Expand Up @@ -1823,6 +1852,7 @@ symbols! {
slice,
slice_from_raw_parts,
slice_from_raw_parts_mut,
slice_into_vec,
slice_iter,
slice_len_fn,
slice_patterns,
Expand Down Expand Up @@ -1857,16 +1887,25 @@ symbols! {
store,
str,
str_chars,
str_ends_with,
str_from_utf8,
str_from_utf8_mut,
str_from_utf8_unchecked,
str_from_utf8_unchecked_mut,
str_len,
str_split_whitespace,
str_starts_with,
str_trim,
str_trim_end,
str_trim_start,
strict_provenance,
string_as_mut_str,
string_as_str,
string_deref_patterns,
string_from_utf8,
string_insert_str,
string_new,
string_push_str,
stringify,
struct_field_attributes,
struct_inherit,
Expand Down Expand Up @@ -2071,7 +2110,14 @@ symbols! {
var,
variant_count,
vec,
vec_as_mut_slice,
vec_as_slice,
vec_from_elem,
vec_is_empty,
vec_macro,
vec_new,
vec_pop,
vec_with_capacity,
vecdeque_iter,
version,
vfp2,
Expand Down
2 changes: 2 additions & 0 deletions library/alloc/src/collections/btree/map.rs
Original file line number Diff line number Diff line change
Expand Up @@ -916,6 +916,7 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> {
/// assert_eq!(map.contains_key(&2), false);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "btreemap_contains_key")]
pub fn contains_key<Q: ?Sized>(&self, key: &Q) -> bool
where
K: Borrow<Q> + Ord,
Expand Down Expand Up @@ -981,6 +982,7 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> {
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_confusables("push", "put", "set")]
#[cfg_attr(not(test), rustc_diagnostic_item = "btreemap_insert")]
pub fn insert(&mut self, key: K, value: V) -> Option<V>
where
K: Ord,
Expand Down
1 change: 1 addition & 0 deletions library/alloc/src/ffi/c_str.rs
Original file line number Diff line number Diff line change
Expand Up @@ -576,6 +576,7 @@ impl CString {
#[inline]
#[must_use]
#[stable(feature = "as_c_str", since = "1.20.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "cstring_as_c_str")]
pub fn as_c_str(&self) -> &CStr {
&*self
}
Expand Down
1 change: 1 addition & 0 deletions library/alloc/src/slice.rs
Original file line number Diff line number Diff line change
Expand Up @@ -496,6 +496,7 @@ impl<T> [T] {
#[rustc_allow_incoherent_impl]
#[stable(feature = "rust1", since = "1.0.0")]
#[inline]
#[cfg_attr(not(test), rustc_diagnostic_item = "slice_into_vec")]
pub fn into_vec<A: Allocator>(self: Box<Self, A>) -> Vec<T, A> {
// N.B., see the `hack` module in this file for more details.
hack::into_vec(self)
Expand Down
6 changes: 6 additions & 0 deletions library/alloc/src/string.rs
Original file line number Diff line number Diff line change
Expand Up @@ -440,6 +440,7 @@ impl String {
/// ```
#[inline]
#[rustc_const_stable(feature = "const_string_new", since = "1.39.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "string_new")]
#[stable(feature = "rust1", since = "1.0.0")]
#[must_use]
pub const fn new() -> String {
Expand Down Expand Up @@ -571,6 +572,7 @@ impl String {
/// [`into_bytes`]: String::into_bytes
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "string_from_utf8")]
pub fn from_utf8(vec: Vec<u8>) -> Result<String, FromUtf8Error> {
match str::from_utf8(&vec) {
Ok(..) => Ok(String { vec }),
Expand Down Expand Up @@ -1073,6 +1075,7 @@ impl String {
#[inline]
#[must_use]
#[stable(feature = "string_as_str", since = "1.7.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "string_as_str")]
pub fn as_str(&self) -> &str {
self
}
Expand All @@ -1092,6 +1095,7 @@ impl String {
#[inline]
#[must_use]
#[stable(feature = "string_as_str", since = "1.7.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "string_as_mut_str")]
pub fn as_mut_str(&mut self) -> &mut str {
self
}
Expand All @@ -1111,6 +1115,7 @@ impl String {
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_confusables("append", "push")]
#[cfg_attr(not(test), rustc_diagnostic_item = "string_push_str")]
pub fn push_str(&mut self, string: &str) {
self.vec.extend_from_slice(string.as_bytes())
}
Expand Down Expand Up @@ -1745,6 +1750,7 @@ impl String {
#[cfg(not(no_global_oom_handling))]
#[inline]
#[stable(feature = "insert_str", since = "1.16.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "string_insert_str")]
pub fn insert_str(&mut self, idx: usize, string: &str) {
assert!(self.is_char_boundary(idx));

Expand Down
7 changes: 7 additions & 0 deletions library/alloc/src/vec/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -416,6 +416,7 @@ impl<T> Vec<T> {
/// ```
#[inline]
#[rustc_const_stable(feature = "const_vec_new", since = "1.39.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "vec_new")]
#[stable(feature = "rust1", since = "1.0.0")]
#[must_use]
pub const fn new() -> Self {
Expand Down Expand Up @@ -476,6 +477,7 @@ impl<T> Vec<T> {
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
#[must_use]
#[cfg_attr(not(test), rustc_diagnostic_item = "vec_with_capacity")]
pub fn with_capacity(capacity: usize) -> Self {
Self::with_capacity_in(capacity, Global)
}
Expand Down Expand Up @@ -1545,6 +1547,7 @@ impl<T, A: Allocator> Vec<T, A> {
/// ```
#[inline]
#[stable(feature = "vec_as_slice", since = "1.7.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "vec_as_slice")]
pub fn as_slice(&self) -> &[T] {
self
}
Expand All @@ -1562,6 +1565,7 @@ impl<T, A: Allocator> Vec<T, A> {
/// ```
#[inline]
#[stable(feature = "vec_as_slice", since = "1.7.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "vec_as_mut_slice")]
pub fn as_mut_slice(&mut self) -> &mut [T] {
self
}
Expand Down Expand Up @@ -2380,6 +2384,7 @@ impl<T, A: Allocator> Vec<T, A> {
/// Takes *O*(1) time.
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "vec_pop")]
pub fn pop(&mut self) -> Option<T> {
if self.len == 0 {
None
Expand Down Expand Up @@ -2573,6 +2578,7 @@ impl<T, A: Allocator> Vec<T, A> {
/// assert!(!v.is_empty());
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "vec_is_empty")]
pub fn is_empty(&self) -> bool {
self.len() == 0
}
Expand Down Expand Up @@ -3044,6 +3050,7 @@ impl<T: PartialEq, A: Allocator> Vec<T, A> {
#[doc(hidden)]
#[cfg(not(no_global_oom_handling))]
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "vec_from_elem")]
pub fn from_elem<T: Clone>(elem: T, n: usize) -> Vec<T> {
<T as SpecFromElem>::from_elem(elem, n, Global)
}
Expand Down
1 change: 1 addition & 0 deletions library/core/src/bool.rs
Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@ impl bool {
/// assert_eq!(a, 1);
/// ```
#[stable(feature = "lazy_bool_to_option", since = "1.50.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "bool_then")]
#[inline]
pub fn then<T, F: FnOnce() -> T>(self, f: F) -> Option<T> {
if self { Some(f()) } else { None }
Expand Down
1 change: 1 addition & 0 deletions library/core/src/num/f32.rs
Original file line number Diff line number Diff line change
Expand Up @@ -415,6 +415,7 @@ impl f32 {
/// [Machine epsilon]: https://en.wikipedia.org/wiki/Machine_epsilon
/// [`MANTISSA_DIGITS`]: f32::MANTISSA_DIGITS
#[stable(feature = "assoc_int_consts", since = "1.43.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "f32_epsilon")]
pub const EPSILON: f32 = 1.19209290e-07_f32;

/// Smallest finite `f32` value.
Expand Down
1 change: 1 addition & 0 deletions library/core/src/num/f64.rs
Original file line number Diff line number Diff line change
Expand Up @@ -414,6 +414,7 @@ impl f64 {
/// [Machine epsilon]: https://en.wikipedia.org/wiki/Machine_epsilon
/// [`MANTISSA_DIGITS`]: f64::MANTISSA_DIGITS
#[stable(feature = "assoc_int_consts", since = "1.43.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "f64_epsilon")]
pub const EPSILON: f64 = 2.2204460492503131e-16_f64;

/// Smallest finite `f64` value.
Expand Down
2 changes: 2 additions & 0 deletions library/core/src/option.rs
Original file line number Diff line number Diff line change
Expand Up @@ -923,6 +923,7 @@ impl<T> Option<T> {
#[inline]
#[track_caller]
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "option_expect")]
#[rustc_const_unstable(feature = "const_option", issue = "67441")]
pub const fn expect(self, msg: &str) -> T {
match self {
Expand Down Expand Up @@ -960,6 +961,7 @@ impl<T> Option<T> {
#[inline(always)]
#[track_caller]
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "option_unwrap")]
#[rustc_const_unstable(feature = "const_option", issue = "67441")]
pub const fn unwrap(self) -> T {
match self {
Expand Down
1 change: 1 addition & 0 deletions library/core/src/result.rs
Original file line number Diff line number Diff line change
Expand Up @@ -653,6 +653,7 @@ impl<T, E> Result<T, E> {
/// ```
#[inline]
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "result_ok_method")]
pub fn ok(self) -> Option<T> {
match self {
Ok(x) => Some(x),
Expand Down
3 changes: 3 additions & 0 deletions library/core/src/str/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -134,6 +134,7 @@ impl str {
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_const_stable(feature = "const_str_len", since = "1.39.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "str_len")]
#[must_use]
#[inline]
pub const fn len(&self) -> usize {
Expand Down Expand Up @@ -1157,6 +1158,7 @@ impl str {
/// assert!(bananas.starts_with(&['a', 'b', 'c', 'd']));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "str_starts_with")]
pub fn starts_with<P: Pattern>(&self, pat: P) -> bool {
pat.is_prefix_of(self)
}
Expand All @@ -1181,6 +1183,7 @@ impl str {
/// assert!(!bananas.ends_with("nana"));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "str_ends_with")]
pub fn ends_with<P: Pattern>(&self, pat: P) -> bool
where
for<'a> P::Searcher<'a>: ReverseSearcher<'a>,
Expand Down
1 change: 1 addition & 0 deletions library/core/src/task/wake.rs
Original file line number Diff line number Diff line change
Expand Up @@ -414,6 +414,7 @@ impl<'a> ContextBuilder<'a> {
/// [`Wake`]: ../../alloc/task/trait.Wake.html
#[repr(transparent)]
#[stable(feature = "futures_api", since = "1.36.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "Waker")]
pub struct Waker {
waker: RawWaker,
}
Expand Down
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