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[Clippy] Swap redundant_clone to use diagnostic items instead of paths

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GnomedDev 2024-09-18 21:21:17 +01:00
parent c891082029
commit afe7907914
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5 changed files with 7 additions and 5 deletions
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2
compiler/rustc_span/src/symbol.rs
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@ -1370,6 +1370,7 @@ symbols! {
or,
or_patterns,
ord_cmp_method,
os_str_to_os_string,
os_string_as_os_str,
other,
out,
@ -1424,6 +1425,7 @@ symbols! {
pat_param,
patchable_function_entry,
path,
path_to_pathbuf,
pathbuf_as_path,
pattern_complexity,
pattern_parentheses,

1
library/std/src/ffi/os_str.rs
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@ -919,6 +919,7 @@ impl OsStr {
#[must_use = "this returns the result of the operation, \
without modifying the original"]
#[inline]
#[cfg_attr(not(test), rustc_diagnostic_item = "os_str_to_os_string")]
pub fn to_os_string(&self) -> OsString {
OsString { inner: self.inner.to_owned() }
}

1
library/std/src/path.rs
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@ -2265,6 +2265,7 @@ impl Path {
#[must_use = "this returns the result of the operation, \
without modifying the original"]
#[stable(feature = "rust1", since = "1.0.0")]
#[cfg_attr(not(test), rustc_diagnostic_item = "path_to_pathbuf")]
pub fn to_path_buf(&self) -> PathBuf {
PathBuf::from(self.inner.to_os_string())
}

6
src/tools/clippy/clippy_lints/src/redundant_clone.rs
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@ -2,7 +2,7 @@ use clippy_utils::diagnostics::{span_lint_hir, span_lint_hir_and_then};
use clippy_utils::mir::{visit_local_usage, LocalUsage, PossibleBorrowerMap};
use clippy_utils::source::SpanRangeExt;
use clippy_utils::ty::{has_drop, is_copy, is_type_diagnostic_item, is_type_lang_item, walk_ptrs_ty_depth};
use clippy_utils::{fn_has_unsatisfiable_preds, match_def_path, paths};
use clippy_utils::fn_has_unsatisfiable_preds;
use rustc_errors::Applicability;
use rustc_hir::intravisit::FnKind;
use rustc_hir::{def_id, Body, FnDecl, LangItem};
@ -102,8 +102,8 @@ impl<'tcx> LateLintPass<'tcx> for RedundantClone {
&& is_type_lang_item(cx, arg_ty, LangItem::String));
let from_deref = !from_borrow
&& (match_def_path(cx, fn_def_id, &paths::PATH_TO_PATH_BUF)
|| match_def_path(cx, fn_def_id, &paths::OS_STR_TO_OS_STRING));
&& (cx.tcx.is_diagnostic_item(sym::path_to_pathbuf, fn_def_id)
|| cx.tcx.is_diagnostic_item(sym::os_str_to_os_string, fn_def_id));
if !from_borrow && !from_deref {
continue;

2
src/tools/clippy/clippy_utils/src/paths.rs
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@ -37,12 +37,10 @@ pub const LATE_LINT_PASS: [&str; 3] = ["rustc_lint", "passes", "LateLintPass"];
pub const LINT: [&str; 2] = ["rustc_lint_defs", "Lint"];
pub const MSRV: [&str; 3] = ["clippy_config", "msrvs", "Msrv"];
pub const OPEN_OPTIONS_NEW: [&str; 4] = ["std", "fs", "OpenOptions", "new"];
pub const OS_STR_TO_OS_STRING: [&str; 5] = ["std", "ffi", "os_str", "OsStr", "to_os_string"];
pub const PARKING_LOT_MUTEX_GUARD: [&str; 3] = ["lock_api", "mutex", "MutexGuard"];
pub const PARKING_LOT_RWLOCK_READ_GUARD: [&str; 3] = ["lock_api", "rwlock", "RwLockReadGuard"];
pub const PARKING_LOT_RWLOCK_WRITE_GUARD: [&str; 3] = ["lock_api", "rwlock", "RwLockWriteGuard"];
pub const PATH_MAIN_SEPARATOR: [&str; 3] = ["std", "path", "MAIN_SEPARATOR"];
pub const PATH_TO_PATH_BUF: [&str; 4] = ["std", "path", "Path", "to_path_buf"];
#[cfg_attr(not(unix), allow(clippy::invalid_paths))]
pub const PERMISSIONS_FROM_MODE: [&str; 6] = ["std", "os", "unix", "fs", "PermissionsExt", "from_mode"];
pub const PUSH_STR: [&str; 4] = ["alloc", "string", "String", "push_str"];