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Deprecate unknown_clippy_lints
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This is now handled by unknown_lints
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@flip1995
flip1995 committed Jan 16, 2021
1 parent 7b3af41 commit 7449dc9
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Showing 6 changed files with 50 additions and 91 deletions.
72 changes: 2 additions & 70 deletions clippy_lints/src/attrs.rs
View file
Expand Up @@ -10,11 +10,10 @@ use rustc_errors::Applicability;
use rustc_hir::{
Block, Expr, ExprKind, ImplItem, ImplItemKind, Item, ItemKind, StmtKind, TraitFn, TraitItem, TraitItemKind,
};
use rustc_lint::{CheckLintNameResult, EarlyContext, EarlyLintPass, LateContext, LateLintPass, LintContext};
use rustc_lint::{EarlyContext, EarlyLintPass, LateContext, LateLintPass, LintContext};
use rustc_middle::lint::in_external_macro;
use rustc_middle::ty;
use rustc_session::{declare_lint_pass, declare_tool_lint};
use rustc_span::lev_distance::find_best_match_for_name;
use rustc_span::source_map::Span;
use rustc_span::sym;
use rustc_span::symbol::{Symbol, SymbolStr};
Expand Down Expand Up @@ -156,33 +155,6 @@ declare_clippy_lint! {
"empty line after outer attribute"
}

declare_clippy_lint! {
/// **What it does:** Checks for `allow`/`warn`/`deny`/`forbid` attributes with scoped clippy
/// lints and if those lints exist in clippy. If there is an uppercase letter in the lint name
/// (not the tool name) and a lowercase version of this lint exists, it will suggest to lowercase
/// the lint name.
///
/// **Why is this bad?** A lint attribute with a mistyped lint name won't have an effect.
///
/// **Known problems:** None.
///
/// **Example:**
/// Bad:
/// ```rust
/// #![warn(if_not_els)]
/// #![deny(clippy::All)]
/// ```
///
/// Good:
/// ```rust
/// #![warn(if_not_else)]
/// #![deny(clippy::all)]
/// ```
pub UNKNOWN_CLIPPY_LINTS,
style,
"unknown_lints for scoped Clippy lints"
}

declare_clippy_lint! {
/// **What it does:** Checks for `warn`/`deny`/`forbid` attributes targeting the whole clippy::restriction category.
///
Expand Down Expand Up @@ -272,7 +244,6 @@ declare_lint_pass!(Attributes => [
INLINE_ALWAYS,
DEPRECATED_SEMVER,
USELESS_ATTRIBUTE,
UNKNOWN_CLIPPY_LINTS,
BLANKET_CLIPPY_RESTRICTION_LINTS,
]);

Expand Down Expand Up @@ -409,48 +380,9 @@ fn extract_clippy_lint(lint: &NestedMetaItem) -> Option<SymbolStr> {
}

fn check_clippy_lint_names(cx: &LateContext<'_>, ident: &str, items: &[NestedMetaItem]) {
let lint_store = cx.lints();
for lint in items {
if let Some(lint_name) = extract_clippy_lint(lint) {
if let CheckLintNameResult::Tool(Err((None, _))) = lint_store.check_lint_name(&lint_name, Some(sym::clippy))
{
span_lint_and_then(
cx,
UNKNOWN_CLIPPY_LINTS,
lint.span(),
&format!("unknown clippy lint: clippy::{}", lint_name),
|diag| {
let name_lower = lint_name.to_lowercase();
let symbols = lint_store
.get_lints()
.iter()
.map(|l| Symbol::intern(&l.name_lower()))
.collect::<Vec<_>>();
let sugg = find_best_match_for_name(
&symbols,
Symbol::intern(&format!("clippy::{}", name_lower)),
None,
);
if lint_name.chars().any(char::is_uppercase)
&& lint_store.find_lints(&format!("clippy::{}", name_lower)).is_ok()
{
diag.span_suggestion(
lint.span(),
"lowercase the lint name",
format!("clippy::{}", name_lower),
Applicability::MachineApplicable,
);
} else if let Some(sugg) = sugg {
diag.span_suggestion(
lint.span(),
"did you mean",
sugg.to_string(),
Applicability::MachineApplicable,
);
}
},
);
} else if lint_name == "restriction" && ident != "allow" {
if lint_name == "restriction" && ident != "allow" {
span_lint_and_help(
cx,
BLANKET_CLIPPY_RESTRICTION_LINTS,
Expand Down
13 changes: 13 additions & 0 deletions clippy_lints/src/deprecated_lints.rs
View file
Expand Up @@ -163,6 +163,19 @@ declare_deprecated_lint! {
}

declare_deprecated_lint! {
/// **What it does:** Nothing. This lint has been deprecated.
///
/// **Deprecation reason:** This lint has been uplifted to rustc and is now called
/// `panic_fmt`.
pub PANIC_PARAMS,
"this lint has been uplifted to rustc and is now called `panic_fmt`"
}

declare_deprecated_lint! {
/// **What it does:** Nothing. This lint has been deprecated.
///
/// **Deprecation reason:** This lint has been integrated into the `unknown_lints`
/// rustc lint.
pub UNKNOWN_CLIPPY_LINTS,
"this lint has been integrated into the `unknown_lints` rustc lint"
}
7 changes: 4 additions & 3 deletions clippy_lints/src/lib.rs
View file
Expand Up @@ -500,6 +500,10 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
"clippy::panic_params",
"this lint has been uplifted to rustc and is now called `panic_fmt`",
);
store.register_removed(
"clippy::unknown_clippy_lints",
"this lint has been integrated into the `unknown_lints` rustc lint",
);
// end deprecated lints, do not remove this comment, it’s used in `update_lints`

// begin register lints, do not remove this comment, it’s used in `update_lints`
Expand Down Expand Up @@ -541,7 +545,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
&attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
&attrs::INLINE_ALWAYS,
&attrs::MISMATCHED_TARGET_OS,
&attrs::UNKNOWN_CLIPPY_LINTS,
&attrs::USELESS_ATTRIBUTE,
&await_holding_invalid::AWAIT_HOLDING_LOCK,
&await_holding_invalid::AWAIT_HOLDING_REFCELL_REF,
Expand Down Expand Up @@ -1375,7 +1378,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
LintId::of(&attrs::DEPRECATED_CFG_ATTR),
LintId::of(&attrs::DEPRECATED_SEMVER),
LintId::of(&attrs::MISMATCHED_TARGET_OS),
LintId::of(&attrs::UNKNOWN_CLIPPY_LINTS),
LintId::of(&attrs::USELESS_ATTRIBUTE),
LintId::of(&bit_mask::BAD_BIT_MASK),
LintId::of(&bit_mask::INEFFECTIVE_BIT_MASK),
Expand Down Expand Up @@ -1650,7 +1652,6 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf:
LintId::of(&assertions_on_constants::ASSERTIONS_ON_CONSTANTS),
LintId::of(&assign_ops::ASSIGN_OP_PATTERN),
LintId::of(&attrs::BLANKET_CLIPPY_RESTRICTION_LINTS),
LintId::of(&attrs::UNKNOWN_CLIPPY_LINTS),
LintId::of(&blacklisted_name::BLACKLISTED_NAME),
LintId::of(&blocks_in_if_conditions::BLOCKS_IN_IF_CONDITIONS),
LintId::of(&collapsible_if::COLLAPSIBLE_IF),
Expand Down
1 change: 1 addition & 0 deletions tests/ui/deprecated.rs
View file
Expand Up @@ -9,5 +9,6 @@
#[warn(clippy::drop_bounds)]
#[warn(clippy::temporary_cstring_as_ptr)]
#[warn(clippy::panic_params)]
#[warn(clippy::unknown_clippy_lints)]

fn main() {}
8 changes: 7 additions & 1 deletion tests/ui/deprecated.stderr
View file
Expand Up @@ -66,11 +66,17 @@ error: lint `clippy::panic_params` has been removed: `this lint has been uplifte
LL | #[warn(clippy::panic_params)]
| ^^^^^^^^^^^^^^^^^^^^

error: lint `clippy::unknown_clippy_lints` has been removed: `this lint has been integrated into the `unknown_lints` rustc lint`
--> $DIR/deprecated.rs:12:8
|
LL | #[warn(clippy::unknown_clippy_lints)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: lint `clippy::unstable_as_slice` has been removed: ``Vec::as_slice` has been stabilized in 1.7`
--> $DIR/deprecated.rs:1:8
|
LL | #[warn(clippy::unstable_as_slice)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 12 previous errors
error: aborting due to 13 previous errors

40 changes: 23 additions & 17 deletions tests/ui/unknown_clippy_lints.stderr
View file
@@ -1,52 +1,58 @@
error: unknown clippy lint: clippy::if_not_els
error: unknown lint: `clippy::All`
--> $DIR/unknown_clippy_lints.rs:5:10
|
LL | #![allow(clippy::All)]
| ^^^^^^^^^^^ help: did you mean: `clippy::all`
|
= note: `-D unknown-lints` implied by `-D warnings`

error: unknown lint: `clippy::CMP_NAN`
--> $DIR/unknown_clippy_lints.rs:6:9
|
LL | #![warn(clippy::CMP_NAN)]
| ^^^^^^^^^^^^^^^ help: did you mean: `clippy::cmp_nan`

error: unknown lint: `clippy::if_not_els`
--> $DIR/unknown_clippy_lints.rs:9:8
|
LL | #[warn(clippy::if_not_els)]
| ^^^^^^^^^^^^^^^^^^ help: did you mean: `clippy::if_not_else`
|
= note: `-D clippy::unknown-clippy-lints` implied by `-D warnings`

error: unknown clippy lint: clippy::UNNecsaRy_cAst
error: unknown lint: `clippy::UNNecsaRy_cAst`
--> $DIR/unknown_clippy_lints.rs:10:8
|
LL | #[warn(clippy::UNNecsaRy_cAst)]
| ^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `clippy::unnecessary_cast`

error: unknown clippy lint: clippy::useles_transute
error: unknown lint: `clippy::useles_transute`
--> $DIR/unknown_clippy_lints.rs:11:8
|
LL | #[warn(clippy::useles_transute)]
| ^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `clippy::useless_transmute`

error: unknown clippy lint: clippy::dead_cod
error: unknown lint: `clippy::dead_cod`
--> $DIR/unknown_clippy_lints.rs:13:8
|
LL | #[warn(clippy::dead_cod)]
| ^^^^^^^^^^^^^^^^ help: did you mean: `clippy::drop_copy`

error: unknown clippy lint: clippy::unused_colle
error: unknown lint: `clippy::unused_colle`
--> $DIR/unknown_clippy_lints.rs:15:8
|
LL | #[warn(clippy::unused_colle)]
| ^^^^^^^^^^^^^^^^^^^^ help: did you mean: `clippy::unused_self`

error: unknown clippy lint: clippy::const_static_lifetim
error: unknown lint: `clippy::const_static_lifetim`
--> $DIR/unknown_clippy_lints.rs:17:8
|
LL | #[warn(clippy::const_static_lifetim)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: did you mean: `clippy::redundant_static_lifetimes`

error: unknown clippy lint: clippy::All
error: unknown lint: `clippy::All`
--> $DIR/unknown_clippy_lints.rs:5:10
|
LL | #![allow(clippy::All)]
| ^^^^^^^^^^^ help: lowercase the lint name: `clippy::all`

error: unknown clippy lint: clippy::CMP_NAN
--> $DIR/unknown_clippy_lints.rs:6:9
|
LL | #![warn(clippy::CMP_NAN)]
| ^^^^^^^^^^^^^^^ help: lowercase the lint name: `clippy::cmp_nan`
| ^^^^^^^^^^^ help: did you mean: `clippy::all`

error: aborting due to 8 previous errors
error: aborting due to 9 previous errors

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