mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Auto merge of #13278 - Alexendoo:misc-cleanup, r=y21

Browse Source 
Misc cleanup

changelog: none
This commit is contained in:
bors 2024-08-19 17:42:25 +00:00
commit ba6bc81277
44 changed files with 89 additions and 245 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
clippy_lints/src/attrs/mod.rs
View File

@ -1,5 +1,3 @@
//! checks for attributes
mod allow_attributes;
mod allow_attributes_without_reason;
mod blanket_clippy_restriction_lints;

2
clippy_lints/src/cargo/common_metadata.rs
View File

@ -1,5 +1,3 @@
//! lint on missing cargo common metadata
use cargo_metadata::Metadata;
use clippy_utils::diagnostics::span_lint;
use rustc_lint::LateContext;

2
clippy_lints/src/cargo/multiple_crate_versions.rs
View File

@ -1,5 +1,3 @@
//! lint on multiple versions of a crate being used
use cargo_metadata::{DependencyKind, Metadata, Node, Package, PackageId};
use clippy_utils::diagnostics::span_lint;
use itertools::Itertools;

6
clippy_lints/src/casts/cast_possible_truncation.rs
View File

@ -4,7 +4,7 @@
use clippy_utils::source::snippet;
use clippy_utils::sugg::Sugg;
use clippy_utils::ty::{get_discriminant_value, is_isize_or_usize};
use rustc_errors::{Applicability, Diag, SuggestionStyle};
use rustc_errors::{Applicability, Diag};
use rustc_hir::def::{DefKind, Res};
use rustc_hir::{BinOpKind, Expr, ExprKind};
use rustc_lint::LateContext;
@ -190,12 +190,10 @@ fn offer_suggestion(
format!("{cast_to_snip}::try_from({})", Sugg::hir(cx, cast_expr, ".."))
};
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
expr.span,
"... or use `try_from` and handle the error accordingly",
suggestion,
Applicability::Unspecified,
// always show the suggestion in a separate line
SuggestionStyle::ShowAlways,
);
}

5
clippy_lints/src/casts/fn_to_numeric_cast_any.rs
View File

@ -1,6 +1,6 @@
use clippy_utils::diagnostics::span_lint_and_then;
use clippy_utils::source::snippet_with_applicability;
use rustc_errors::{Applicability, SuggestionStyle};
use rustc_errors::Applicability;
use rustc_hir::Expr;
use rustc_lint::LateContext;
use rustc_middle::ty::{self, Ty};
@ -24,12 +24,11 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_expr: &Expr<'_>,
expr.span,
format!("casting function pointer `{from_snippet}` to `{cast_to}`"),
|diag| {
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
expr.span,
"did you mean to invoke the function?",
format!("{from_snippet}() as {cast_to}"),
applicability,
SuggestionStyle::ShowAlways,
);
},
);

2
clippy_lints/src/checked_conversions.rs
View File

@ -1,5 +1,3 @@
//! lint on manually implemented checked conversions that could be transformed into `try_from`
use clippy_config::msrvs::{self, Msrv};
use clippy_config::Conf;
use clippy_utils::diagnostics::span_lint_and_sugg;

2
clippy_lints/src/cognitive_complexity.rs
View File

@ -1,5 +1,3 @@
//! calculate cognitive complexity and warn about overly complex functions
use clippy_config::Conf;
use clippy_utils::diagnostics::span_lint_and_help;
use clippy_utils::source::{IntoSpan, SpanRangeExt};

14
clippy_lints/src/collapsible_if.rs
View File

@ -1,17 +1,3 @@
//! Checks for if expressions that contain only an if expression.
//!
//! For example, the lint would catch:
//!
//! ```rust,ignore
//! if x {
//! if y {
//! println!("Hello world");
//! }
//! }
//! ```
//!
//! This lint is **warn** by default
use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then};
use clippy_utils::source::{snippet, snippet_block, snippet_block_with_applicability};
use clippy_utils::sugg::Sugg;

37
clippy_lints/src/collection_is_never_read.rs
View File

@ -1,5 +1,5 @@
use clippy_utils::diagnostics::span_lint;
use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item};
use clippy_utils::ty::{get_type_diagnostic_name, is_type_lang_item};
use clippy_utils::visitors::{for_each_expr, Visitable};
use clippy_utils::{get_enclosing_block, path_to_local_id};
use core::ops::ControlFlow;
@ -7,7 +7,6 @@
use rustc_lint::{LateContext, LateLintPass};
use rustc_session::declare_lint_pass;
use rustc_span::symbol::sym;
use rustc_span::Symbol;
declare_clippy_lint! {
/// ### What it does
@ -44,24 +43,11 @@
}
declare_lint_pass!(CollectionIsNeverRead => [COLLECTION_IS_NEVER_READ]);
// Add `String` here when it is added to diagnostic items
static COLLECTIONS: [Symbol; 9] = [
sym::BTreeMap,
sym::BTreeSet,
sym::BinaryHeap,
sym::HashMap,
sym::HashSet,
sym::LinkedList,
sym::Option,
sym::Vec,
sym::VecDeque,
];
impl<'tcx> LateLintPass<'tcx> for CollectionIsNeverRead {
fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx LetStmt<'tcx>) {
// Look for local variables whose type is a container. Search surrounding block for read access.
if let PatKind::Binding(_, local_id, _, _) = local.pat.kind
&& match_acceptable_type(cx, local, &COLLECTIONS)
&& match_acceptable_type(cx, local)
&& let Some(enclosing_block) = get_enclosing_block(cx, local.hir_id)
&& has_no_read_access(cx, local_id, enclosing_block)
{
@ -70,11 +56,22 @@ fn check_local(&mut self, cx: &LateContext<'tcx>, local: &'tcx LetStmt<'tcx>) {
}
}
fn match_acceptable_type(cx: &LateContext<'_>, local: &LetStmt<'_>, collections: &[Symbol]) -> bool {
fn match_acceptable_type(cx: &LateContext<'_>, local: &LetStmt<'_>) -> bool {
let ty = cx.typeck_results().pat_ty(local.pat);
collections.iter().any(|&sym| is_type_diagnostic_item(cx, ty, sym))
// String type is a lang item but not a diagnostic item for now so we need a separate check
|| is_type_lang_item(cx, ty, LangItem::String)
matches!(
get_type_diagnostic_name(cx, ty),
Some(
sym::BTreeMap
| sym::BTreeSet
| sym::BinaryHeap
| sym::HashMap
| sym::HashSet
| sym::LinkedList
| sym::Option
| sym::Vec
| sym::VecDeque
)
) || is_type_lang_item(cx, ty, LangItem::String)
}
fn has_no_read_access<'tcx, T: Visitable<'tcx>>(cx: &LateContext<'tcx>, id: HirId, block: T) -> bool {

5
clippy_lints/src/create_dir.rs
View File

@ -1,6 +1,6 @@
use clippy_utils::diagnostics::span_lint_and_then;
use clippy_utils::source::snippet_with_applicability;
use rustc_errors::{Applicability, SuggestionStyle};
use rustc_errors::Applicability;
use rustc_hir::{Expr, ExprKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_session::declare_lint_pass;
@ -46,7 +46,7 @@ fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) {
"calling `std::fs::create_dir` where there may be a better way",
|diag| {
let mut app = Applicability::MaybeIncorrect;
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
expr.span,
"consider calling `std::fs::create_dir_all` instead",
format!(
@ -54,7 +54,6 @@ fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) {
snippet_with_applicability(cx, arg.span, "..", &mut app)
),
app,
SuggestionStyle::ShowAlways,
);
},
);

11
clippy_lints/src/doc/lazy_continuation.rs
View File

@ -1,6 +1,6 @@
use clippy_utils::diagnostics::span_lint_and_then;
use itertools::Itertools;
use rustc_errors::{Applicability, SuggestionStyle};
use rustc_errors::Applicability;
use rustc_lint::LateContext;
use rustc_span::{BytePos, Span};
use std::ops::Range;
@ -59,12 +59,11 @@ pub(super) fn check(
&& (doc_comment == "///" || doc_comment == "//!")
{
// suggest filling in a blank line
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
line_break_span.shrink_to_lo(),
"if this should be its own paragraph, add a blank doc comment line",
format!("\n{doc_comment}"),
Applicability::MaybeIncorrect,
SuggestionStyle::ShowAlways,
);
if ccount > 0 || blockquote_level > 0 {
diag.help("if this not intended to be a quote at all, escape it with `\\>`");
@ -79,12 +78,11 @@ pub(super) fn check(
if ccount == 0 && blockquote_level == 0 {
// simpler suggestion style for indentation
let indent = list_indentation - lcount;
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
span.shrink_to_hi(),
"indent this line",
std::iter::repeat(" ").take(indent).join(""),
Applicability::MaybeIncorrect,
SuggestionStyle::ShowAlways,
);
diag.help("if this is supposed to be its own paragraph, add a blank line");
return;
@ -107,12 +105,11 @@ pub(super) fn check(
suggested.push_str(text);
}
}
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
span,
"add markers to start of line",
suggested,
Applicability::MachineApplicable,
SuggestionStyle::ShowAlways,
);
diag.help("if this not intended to be a quote at all, escape it with `\\>`");
});

15
clippy_lints/src/doc/markdown.rs
View File

@ -1,7 +1,7 @@
use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then};
use clippy_utils::source::snippet_with_applicability;
use rustc_data_structures::fx::FxHashSet;
use rustc_errors::{Applicability, SuggestionStyle};
use rustc_errors::Applicability;
use rustc_lint::LateContext;
use rustc_span::{BytePos, Pos, Span};
use url::Url;
@ -137,24 +137,15 @@ fn has_hyphen(s: &str) -> bool {
}
if has_underscore(word) || word.contains("::") || is_camel_case(word) || word.ends_with("()") {
let mut applicability = Applicability::MachineApplicable;
span_lint_and_then(
cx,
DOC_MARKDOWN,
span,
"item in documentation is missing backticks",
|diag| {
let mut applicability = Applicability::MachineApplicable;
let snippet = snippet_with_applicability(cx, span, "..", &mut applicability);
diag.span_suggestion_with_style(
span,
"try",
format!("`{snippet}`"),
applicability,
// always show the suggestion in a separate line, since the
// inline presentation adds another pair of backticks
SuggestionStyle::ShowAlways,
);
diag.span_suggestion_verbose(span, "try", format!("`{snippet}`"), applicability);
},
);
}

2
clippy_lints/src/else_if_without_else.rs
View File

@ -1,5 +1,3 @@
//! Lint on if expressions with an else if, but without a final else branch.
use clippy_utils::diagnostics::span_lint_and_then;
use rustc_ast::ast::{Expr, ExprKind};
use rustc_lint::{EarlyContext, EarlyLintPass, LintContext};

2
clippy_lints/src/empty_enum.rs
View File

@ -1,5 +1,3 @@
//! lint when there is an enum with no variants
use clippy_utils::diagnostics::span_lint_and_help;
use rustc_hir::{Item, ItemKind};
use rustc_lint::{LateContext, LateLintPass};

3
clippy_lints/src/enum_clike.rs
View File

@ -1,6 +1,3 @@
//! lint on C-like enums that are `repr(isize/usize)` and have values that
//! don't fit into an `i32`
use clippy_utils::consts::{mir_to_const, Constant};
use clippy_utils::diagnostics::span_lint;
use rustc_hir::{Item, ItemKind};

4
clippy_lints/src/eta_reduction.rs
View File

@ -1,7 +1,7 @@
use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then};
use clippy_utils::higher::VecArgs;
use clippy_utils::source::snippet_opt;
use clippy_utils::ty::type_diagnostic_name;
use clippy_utils::ty::get_type_diagnostic_name;
use clippy_utils::usage::{local_used_after_expr, local_used_in};
use clippy_utils::{get_path_from_caller_to_method_type, is_adjusted, path_to_local, path_to_local_id};
use rustc_errors::Applicability;
@ -139,7 +139,7 @@ fn check_clousure<'tcx>(cx: &LateContext<'tcx>, outer_receiver: Option<&Expr<'tc
{
let callee_ty_raw = typeck.expr_ty(callee);
let callee_ty = callee_ty_raw.peel_refs();
if matches!(type_diagnostic_name(cx, callee_ty), Some(sym::Arc | sym::Rc))
if matches!(get_type_diagnostic_name(cx, callee_ty), Some(sym::Arc | sym::Rc))
|| !check_inputs(typeck, body.params, None, args)
{
return;

8
clippy_lints/src/float_literal.rs
View File

@ -1,7 +1,7 @@
use clippy_utils::diagnostics::span_lint_and_then;
use clippy_utils::numeric_literal;
use rustc_ast::ast::{self, LitFloatType, LitKind};
use rustc_errors::{Applicability, SuggestionStyle};
use rustc_errors::Applicability;
use rustc_hir as hir;
use rustc_lint::{LateContext, LateLintPass};
use rustc_middle::ty::{self, FloatTy};
@ -117,12 +117,11 @@ fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) {
if type_suffix.is_none() {
float_str.push_str(".0");
}
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
expr.span,
"consider changing the type or replacing it with",
numeric_literal::format(&float_str, type_suffix, true),
Applicability::MachineApplicable,
SuggestionStyle::ShowAlways,
);
},
);
@ -134,12 +133,11 @@ fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) {
expr.span,
"float has excessive precision",
|diag| {
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
expr.span,
"consider changing the type or truncating it to",
numeric_literal::format(&float_str, type_suffix, true),
Applicability::MachineApplicable,
SuggestionStyle::ShowAlways,
);
},
);

11
clippy_lints/src/functions/impl_trait_in_params.rs
View File

@ -1,6 +1,7 @@
use clippy_utils::diagnostics::span_lint_and_then;
use clippy_utils::is_in_test;
use rustc_errors::Applicability;
use rustc_hir as hir;
use rustc_hir::intravisit::FnKind;
use rustc_hir::{Body, GenericParam, Generics, HirId, ImplItem, ImplItemKind, TraitItem, TraitItemKind};
@ -18,20 +19,18 @@ fn report(cx: &LateContext<'_>, param: &GenericParam<'_>, generics: &Generics<'_
|diag| {
if let Some(gen_span) = generics.span_for_param_suggestion() {
// If there's already a generic param with the same bound, do not lint **this** suggestion.
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
gen_span,
"add a type parameter",
format!(", {{ /* Generic name */ }}: {}", &param.name.ident().as_str()[5..]),
rustc_errors::Applicability::HasPlaceholders,
rustc_errors::SuggestionStyle::ShowAlways,
Applicability::HasPlaceholders,
);
} else {
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
generics.span,
"add a type parameter",
format!("<{{ /* Generic name */ }}: {}>", &param.name.ident().as_str()[5..]),
rustc_errors::Applicability::HasPlaceholders,
rustc_errors::SuggestionStyle::ShowAlways,
Applicability::HasPlaceholders,
);
}
},

8
clippy_lints/src/functions/must_use.rs
View File

@ -8,7 +8,7 @@
use rustc_lint::{LateContext, LintContext};
use rustc_middle::lint::in_external_macro;
use rustc_middle::ty::{self, Ty};
use rustc_span::{sym, Span, Symbol};
use rustc_span::{sym, Span};
use clippy_utils::attrs::is_proc_macro;
use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_then};
@ -193,17 +193,13 @@ fn is_mutable_pat(cx: &LateContext<'_>, pat: &hir::Pat<'_>, tys: &mut DefIdSet)
}
}
static KNOWN_WRAPPER_TYS: &[Symbol] = &[sym::Rc, sym::Arc];
fn is_mutable_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, tys: &mut DefIdSet) -> bool {
match *ty.kind() {
// primitive types are never mutable
ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Str => false,
ty::Adt(adt, args) => {
tys.insert(adt.did()) && !ty.is_freeze(cx.tcx, cx.param_env)
|| KNOWN_WRAPPER_TYS
.iter()
.any(|&sym| cx.tcx.is_diagnostic_item(sym, adt.did()))
|| matches!(cx.tcx.get_diagnostic_name(adt.did()), Some(sym::Rc | sym::Arc))
&& args.types().any(|ty| is_mutable_ty(cx, ty, tys))
},
ty::Tuple(args) => args.iter().any(|ty| is_mutable_ty(cx, ty, tys)),

3
clippy_lints/src/if_not_else.rs
View File

@ -1,6 +1,3 @@
//! lint on if branches that could be swapped so no `!` operation is necessary
//! on the condition
use clippy_utils::consts::{ConstEvalCtxt, Constant};
use clippy_utils::diagnostics::span_lint_and_help;
use clippy_utils::is_else_clause;

13
clippy_lints/src/implicit_return.rs
View File

@ -3,7 +3,7 @@
use clippy_utils::visitors::for_each_expr_without_closures;
use clippy_utils::{get_async_fn_body, is_async_fn, is_from_proc_macro};
use core::ops::ControlFlow;
use rustc_errors::{Applicability, SuggestionStyle};
use rustc_errors::Applicability;
use rustc_hir::intravisit::FnKind;
use rustc_hir::{Block, Body, Expr, ExprKind, FnDecl, FnRetTy, HirId};
use rustc_lint::{LateContext, LateLintPass, LintContext};
@ -54,13 +54,7 @@ fn lint_return(cx: &LateContext<'_>, emission_place: HirId, span: Span) {
|diag| {
let mut app = Applicability::MachineApplicable;
let snip = snippet_with_applicability(cx, span, "..", &mut app);
diag.span_suggestion_with_style(
span,
"add `return` as shown",
format!("return {snip}"),
app,
SuggestionStyle::ShowAlways,
);
diag.span_suggestion_verbose(span, "add `return` as shown", format!("return {snip}"), app);
},
);
}
@ -75,12 +69,11 @@ fn lint_break(cx: &LateContext<'_>, emission_place: HirId, break_span: Span, exp
|diag| {
let mut app = Applicability::MachineApplicable;
let snip = snippet_with_context(cx, expr_span, break_span.ctxt(), "..", &mut app).0;
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
break_span,
"change `break` to `return` as shown",
format!("return {snip}"),
app,
SuggestionStyle::ShowAlways,
);
},
);

2
clippy_lints/src/indexing_slicing.rs
View File

@ -1,5 +1,3 @@
//! lint on indexing and slicing operations
use clippy_config::Conf;
use clippy_utils::consts::{ConstEvalCtxt, Constant};
use clippy_utils::diagnostics::{span_lint, span_lint_and_then};

33
clippy_lints/src/infinite_iter.rs
View File

@ -1,10 +1,10 @@
use clippy_utils::diagnostics::span_lint;
use clippy_utils::higher;
use clippy_utils::ty::{implements_trait, is_type_diagnostic_item};
use clippy_utils::ty::{get_type_diagnostic_name, implements_trait};
use rustc_hir::{BorrowKind, Closure, Expr, ExprKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_session::declare_lint_pass;
use rustc_span::symbol::{sym, Symbol};
use rustc_span::symbol::sym;
declare_clippy_lint! {
/// ### What it does
@ -210,18 +210,6 @@ fn is_infinite(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness {
("product", 0),
];
/// the paths of types that are known to be infinitely allocating
const INFINITE_COLLECTORS: &[Symbol] = &[
sym::BinaryHeap,
sym::BTreeMap,
sym::BTreeSet,
sym::HashMap,
sym::HashSet,
sym::LinkedList,
sym::Vec,
sym::VecDeque,
];
fn complete_infinite_iter(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness {
match expr.kind {
ExprKind::MethodCall(method, receiver, args, _) => {
@ -248,10 +236,19 @@ fn complete_infinite_iter(cx: &LateContext<'_>, expr: &Expr<'_>) -> Finiteness {
}
} else if method.ident.name == sym!(collect) {
let ty = cx.typeck_results().expr_ty(expr);
if INFINITE_COLLECTORS
.iter()
.any(|diag_item| is_type_diagnostic_item(cx, ty, *diag_item))
{
if matches!(
get_type_diagnostic_name(cx, ty),
Some(
sym::BinaryHeap
| sym::BTreeMap
| sym::BTreeSet
| sym::HashMap
| sym::HashSet
| sym::LinkedList
| sym::Vec
| sym::VecDeque,
)
) {
return is_infinite(cx, receiver);
}
}

2
clippy_lints/src/inherent_impl.rs
View File

@ -1,5 +1,3 @@
//! lint on inherent implementations
use clippy_utils::diagnostics::span_lint_and_then;
use clippy_utils::is_lint_allowed;
use rustc_data_structures::fx::FxHashMap;

2
clippy_lints/src/inline_fn_without_body.rs
View File

@ -1,5 +1,3 @@
//! checks for `#[inline]` on trait methods without bodies
use clippy_utils::diagnostics::span_lint_and_then;
use clippy_utils::sugg::DiagExt;
use rustc_errors::Applicability;

2
clippy_lints/src/int_plus_one.rs
View File

@ -1,5 +1,3 @@
//! lint on blocks unnecessarily using >= with a + 1 or - 1
use clippy_utils::diagnostics::span_lint_and_sugg;
use clippy_utils::source::snippet_opt;
use rustc_ast::ast::{BinOpKind, Expr, ExprKind, LitKind};

2
clippy_lints/src/item_name_repetitions.rs
View File

@ -1,5 +1,3 @@
//! lint on enum variants that are prefixed or suffixed by the same characters
use clippy_config::Conf;
use clippy_utils::diagnostics::{span_lint, span_lint_and_help, span_lint_hir};
use clippy_utils::is_bool;

2
clippy_lints/src/items_after_statements.rs
View File

@ -1,5 +1,3 @@
//! lint when items are used after statements
use clippy_utils::diagnostics::span_lint_hir;
use rustc_hir::{Block, ItemKind, StmtKind};
use rustc_lint::{LateContext, LateLintPass, LintContext};

2
clippy_lints/src/large_enum_variant.rs
View File

@ -1,5 +1,3 @@
//! lint when there is a large size difference between variants on an enum
use clippy_config::Conf;
use clippy_utils::diagnostics::span_lint_and_then;
use clippy_utils::source::snippet_with_applicability;

5
clippy_lints/src/legacy_numeric_constants.rs
View File

@ -3,7 +3,7 @@
use clippy_utils::diagnostics::{span_lint_and_then, span_lint_hir_and_then};
use clippy_utils::{get_parent_expr, is_from_proc_macro};
use hir::def_id::DefId;
use rustc_errors::{Applicability, SuggestionStyle};
use rustc_errors::Applicability;
use rustc_hir as hir;
use rustc_hir::{ExprKind, Item, ItemKind, QPath, UseKind};
use rustc_lint::{LateContext, LateLintPass, LintContext};
@ -143,12 +143,11 @@ fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx rustc_hir::Expr<'tc
&& !is_from_proc_macro(cx, expr)
{
span_lint_hir_and_then(cx, LEGACY_NUMERIC_CONSTANTS, expr.hir_id, span, msg, |diag| {
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
span,
"use the associated constant instead",
sugg,
Applicability::MaybeIncorrect,
SuggestionStyle::ShowAlways,
);
});
}

3
clippy_lints/src/literal_representation.rs
View File

@ -1,6 +1,3 @@
//! Lints concerned with the grouping of digits with underscores in integral or
//! floating-point literal expressions.
use clippy_config::Conf;
use clippy_utils::diagnostics::span_lint_and_then;
use clippy_utils::numeric_literal::{NumericLiteral, Radix};

34
clippy_lints/src/manual_retain.rs
View File

@ -2,14 +2,14 @@
use clippy_config::Conf;
use clippy_utils::diagnostics::span_lint_and_sugg;
use clippy_utils::source::snippet;
use clippy_utils::ty::{is_type_diagnostic_item, is_type_lang_item};
use clippy_utils::ty::{get_type_diagnostic_name, is_type_lang_item};
use clippy_utils::{match_def_path, paths, SpanlessEq};
use rustc_errors::Applicability;
use rustc_hir as hir;
use rustc_hir::def_id::DefId;
use rustc_hir::ExprKind::Assign;
use rustc_lint::{LateContext, LateLintPass};
use rustc_session::{impl_lint_pass, RustcVersion};
use rustc_session::impl_lint_pass;
use rustc_span::symbol::sym;
use rustc_span::Span;
@ -20,16 +20,6 @@
&paths::SLICE_INTO,
&paths::VEC_DEQUE_ITER,
];
const ACCEPTABLE_TYPES: [(rustc_span::Symbol, Option<RustcVersion>); 7] = [
(sym::BinaryHeap, Some(msrvs::BINARY_HEAP_RETAIN)),
(sym::BTreeSet, Some(msrvs::BTREE_SET_RETAIN)),
(sym::BTreeMap, Some(msrvs::BTREE_MAP_RETAIN)),
(sym::HashSet, Some(msrvs::HASH_SET_RETAIN)),
(sym::HashMap, Some(msrvs::HASH_MAP_RETAIN)),
(sym::Vec, None),
(sym::VecDeque, None),
];
const MAP_TYPES: [rustc_span::Symbol; 2] = [sym::BTreeMap, sym::HashMap];
declare_clippy_lint! {
/// ### What it does
@ -264,16 +254,22 @@ fn match_acceptable_def_path(cx: &LateContext<'_>, collect_def_id: DefId) -> boo
}
fn match_acceptable_type(cx: &LateContext<'_>, expr: &hir::Expr<'_>, msrv: &Msrv) -> bool {
let expr_ty = cx.typeck_results().expr_ty(expr).peel_refs();
ACCEPTABLE_TYPES.iter().any(|(ty, acceptable_msrv)| {
is_type_diagnostic_item(cx, expr_ty, *ty)
&& acceptable_msrv.map_or(true, |acceptable_msrv| msrv.meets(acceptable_msrv))
})
let ty = cx.typeck_results().expr_ty(expr).peel_refs();
let required = match get_type_diagnostic_name(cx, ty) {
Some(sym::BinaryHeap) => msrvs::BINARY_HEAP_RETAIN,
Some(sym::BTreeSet) => msrvs::BTREE_SET_RETAIN,
Some(sym::BTreeMap) => msrvs::BTREE_MAP_RETAIN,
Some(sym::HashSet) => msrvs::HASH_SET_RETAIN,
Some(sym::HashMap) => msrvs::HASH_MAP_RETAIN,
Some(sym::Vec | sym::VecDeque) => return true,
_ => return false,
};
msrv.meets(required)
}
fn match_map_type(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool {
let expr_ty = cx.typeck_results().expr_ty(expr).peel_refs();
MAP_TYPES.iter().any(|ty| is_type_diagnostic_item(cx, expr_ty, *ty))
let ty = cx.typeck_results().expr_ty(expr).peel_refs();
matches!(get_type_diagnostic_name(cx, ty), Some(sym::BTreeMap | sym::HashMap))
}
fn make_span_lint_and_sugg(cx: &LateContext<'_>, span: Span, sugg: String) {

3
clippy_lints/src/methods/get_unwrap.rs
View File

@ -74,7 +74,7 @@ pub(super) fn check<'tcx>(
"&"
};
diag.span_suggestion_with_style(
diag.span_suggestion_verbose(
span,
"using `[]` is clearer and more concise",
format!(
@ -82,7 +82,6 @@ pub(super) fn check<'tcx>(
snippet_with_applicability(cx, recv.span, "..", &mut applicability)
),
applicability,
rustc_errors::SuggestionStyle::ShowAlways,
);
},
);

2
clippy_lints/src/methods/is_digit_ascii_radix.rs
View File

@ -1,5 +1,3 @@
//! Lint for `c.is_digit(10)`
use super::IS_DIGIT_ASCII_RADIX;
use clippy_config::msrvs::{self, Msrv};
use clippy_utils::consts::{ConstEvalCtxt, FullInt};

9
clippy_lints/src/methods/needless_collect.rs
View File

@ -2,7 +2,7 @@
use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_hir_and_then};
use clippy_utils::source::{snippet, snippet_with_applicability};
use clippy_utils::sugg::Sugg;
use clippy_utils::ty::{is_type_diagnostic_item, make_normalized_projection, make_projection};
use clippy_utils::ty::{get_type_diagnostic_name, make_normalized_projection, make_projection};
use clippy_utils::{
can_move_expr_to_closure, fn_def_id, get_enclosing_block, higher, is_trait_method, path_to_local, path_to_local_id,
CaptureKind,
@ -88,9 +88,10 @@ pub(super) fn check<'tcx>(
Node::LetStmt(l) => {
if let PatKind::Binding(BindingMode::NONE | BindingMode::MUT, id, _, None) = l.pat.kind
&& let ty = cx.typeck_results().expr_ty(collect_expr)
&& [sym::Vec, sym::VecDeque, sym::BinaryHeap, sym::LinkedList]
.into_iter()
.any(|item| is_type_diagnostic_item(cx, ty, item))
&& matches!(
get_type_diagnostic_name(cx, ty),
Some(sym::Vec | sym::VecDeque | sym::BinaryHeap | sym::LinkedList)
)
&& let iter_ty = cx.typeck_results().expr_ty(iter_expr)
&& let Some(block) = get_enclosing_block(cx, l.hir_id)
&& let Some(iter_calls) = detect_iter_and_into_iters(block, id, cx, get_captured_ids(cx, iter_ty))

14
clippy_lints/src/mut_key.rs
View File

@ -125,14 +125,12 @@ fn check_sig(&mut self, cx: &LateContext<'tcx>, fn_def_id: LocalDefId, decl: &hi
// generics (because the compiler cannot ensure immutability for unknown types).
fn check_ty_(&mut self, cx: &LateContext<'tcx>, span: Span, ty: Ty<'tcx>) {
let ty = ty.peel_refs();
if let ty::Adt(def, args) = ty.kind() {
let is_keyed_type = [sym::HashMap, sym::BTreeMap, sym::HashSet, sym::BTreeSet]
.iter()
.any(|diag_item| cx.tcx.is_diagnostic_item(*diag_item, def.did()));
if !is_keyed_type {
return;
}
if let ty::Adt(def, args) = ty.kind()
&& matches!(
cx.tcx.get_diagnostic_name(def.did()),
Some(sym::HashMap | sym::BTreeMap | sym::HashSet | sym::BTreeSet)
)
{
let subst_ty = args.type_at(0);
if self.interior_mut.is_interior_mut_ty(cx, subst_ty) {
span_lint(cx, MUTABLE_KEY_TYPE, span, "mutable key type");

4
clippy_lints/src/mutex_atomic.rs
View File

@ -1,7 +1,3 @@
//! Checks for usage of mutex where an atomic value could be used
//!
//! This lint is **allow** by default
use clippy_utils::diagnostics::span_lint;
use clippy_utils::ty::is_type_diagnostic_item;
use rustc_hir::Expr;

4
clippy_lints/src/needless_bool.rs
View File

@ -1,7 +1,3 @@
//! Checks for needless boolean results of if-else expressions
//!
//! This lint is **warn** by default
use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg};
use clippy_utils::source::snippet_with_applicability;
use clippy_utils::sugg::Sugg;

35
clippy_lints/src/needless_continue.rs
View File

@ -1,38 +1,3 @@
//! Checks for continue statements in loops that are redundant.
//!
//! For example, the lint would catch
//!
//! ```rust
//! let mut a = 1;
//! let x = true;
//!
//! while a < 5 {
//! a = 6;
//! if x {
//! // ...
//! } else {
//! continue;
//! }
//! println!("Hello, world");
//! }
//! ```
//!
//! And suggest something like this:
//!
//! ```rust
//! let mut a = 1;
//! let x = true;
//!
//! while a < 5 {
//! a = 6;
//! if x {
//! // ...
//! println!("Hello, world");
//! }
//! }
//! ```
//!
//! This lint is **warn** by default.
use clippy_utils::diagnostics::span_lint_and_help;
use clippy_utils::source::{indent_of, snippet, snippet_block};
use rustc_ast::ast;

4
clippy_lints/src/non_copy_const.rs
View File

@ -1,7 +1,3 @@
//! Checks for usage of const which the type is not `Freeze` (`Cell`-free).
//!
//! This lint is **warn** by default.
use std::ptr;
use clippy_config::Conf;

2
clippy_lints/src/ptr.rs
View File

@ -1,5 +1,3 @@
//! Checks for usage of `&Vec[_]` and `&String`.
use clippy_utils::diagnostics::{span_lint, span_lint_and_sugg, span_lint_and_then, span_lint_hir_and_then};
use clippy_utils::source::SpanRangeExt;
use clippy_utils::ty::expr_sig;

3
clippy_lints/src/size_of_in_element_count.rs
View File

@ -1,6 +1,3 @@
//! Lint on use of `size_of` or `size_of_val` of T in an expression
//! expecting a count of T
use clippy_utils::diagnostics::span_lint_and_help;
use rustc_hir::{BinOpKind, Expr, ExprKind};
use rustc_lint::{LateContext, LateLintPass};

3
clippy_lints/src/utils/author.rs
View File

@ -1,6 +1,3 @@
//! A group of attributes that can be attached to Rust code in order
//! to generate a clippy lint detecting said code automatically.
use clippy_utils::{get_attr, higher};
use rustc_ast::ast::{LitFloatType, LitKind};
use rustc_ast::LitIntType;

5
clippy_utils/src/ty.rs
View File

@ -455,11 +455,6 @@ pub fn is_type_lang_item(cx: &LateContext<'_>, ty: Ty<'_>, lang_item: LangItem)
}
}
/// Gets the diagnostic name of the type, if it has one
pub fn type_diagnostic_name(cx: &LateContext<'_>, ty: Ty<'_>) -> Option<Symbol> {
ty.ty_adt_def().and_then(|adt| cx.tcx.get_diagnostic_name(adt.did()))
}
/// Return `true` if the passed `typ` is `isize` or `usize`.
pub fn is_isize_or_usize(typ: Ty<'_>) -> bool {
matches!(typ.kind(), ty::Int(IntTy::Isize) | ty::Uint(UintTy::Usize))