From 7449dc96c0dd44dc5b309f24346976fea086e35d Mon Sep 17 00:00:00 2001 From: flip1995 Date: Sat, 16 Jan 2021 17:30:31 +0100 Subject: [PATCH] Deprecate unknown_clippy_lints This is now handled by unknown_lints --- clippy_lints/src/attrs.rs | 72 +--------------------------- clippy_lints/src/deprecated_lints.rs | 13 +++++ clippy_lints/src/lib.rs | 7 +-- tests/ui/deprecated.rs | 1 + tests/ui/deprecated.stderr | 8 +++- tests/ui/unknown_clippy_lints.stderr | 40 +++++++++------- 6 files changed, 50 insertions(+), 91 deletions(-) diff --git a/clippy_lints/src/attrs.rs b/clippy_lints/src/attrs.rs index 3edbe7239..7607394b2 100644 --- a/clippy_lints/src/attrs.rs +++ b/clippy_lints/src/attrs.rs @@ -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}; @@ -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. /// @@ -272,7 +244,6 @@ declare_lint_pass!(Attributes => [ INLINE_ALWAYS, DEPRECATED_SEMVER, USELESS_ATTRIBUTE, - UNKNOWN_CLIPPY_LINTS, BLANKET_CLIPPY_RESTRICTION_LINTS, ]); @@ -409,48 +380,9 @@ fn extract_clippy_lint(lint: &NestedMetaItem) -> Option { } 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::>(); - 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, diff --git a/clippy_lints/src/deprecated_lints.rs b/clippy_lints/src/deprecated_lints.rs index bec0c9f93..47b3cc3ad 100644 --- a/clippy_lints/src/deprecated_lints.rs +++ b/clippy_lints/src/deprecated_lints.rs @@ -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" +} diff --git a/clippy_lints/src/lib.rs b/clippy_lints/src/lib.rs index 35b057d7b..aaa17561f 100644 --- a/clippy_lints/src/lib.rs +++ b/clippy_lints/src/lib.rs @@ -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` @@ -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, @@ -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), @@ -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), diff --git a/tests/ui/deprecated.rs b/tests/ui/deprecated.rs index e1ee8dbca..4a538021b 100644 --- a/tests/ui/deprecated.rs +++ b/tests/ui/deprecated.rs @@ -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() {} diff --git a/tests/ui/deprecated.stderr b/tests/ui/deprecated.stderr index edbb891af..342931749 100644 --- a/tests/ui/deprecated.stderr +++ b/tests/ui/deprecated.stderr @@ -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 diff --git a/tests/ui/unknown_clippy_lints.stderr b/tests/ui/unknown_clippy_lints.stderr index 1b859043b..94a667e58 100644 --- a/tests/ui/unknown_clippy_lints.stderr +++ b/tests/ui/unknown_clippy_lints.stderr @@ -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` + | ^^^^^^^^^^^ help: did you mean: `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` - -error: aborting due to 8 previous errors +error: aborting due to 9 previous errors