// error-pattern:cargo-clippy #![feature(binary_heap_into_iter_sorted)] #![feature(box_patterns)] #![feature(control_flow_enum)] #![feature(drain_filter)] #![feature(iter_intersperse)] #![feature(let_else)] #![feature(once_cell)] #![feature(rustc_private)] #![feature(stmt_expr_attributes)] #![recursion_limit = "512"] #![cfg_attr(feature = "deny-warnings", deny(warnings))] #![allow(clippy::missing_docs_in_private_items, clippy::must_use_candidate)] #![warn(trivial_casts, trivial_numeric_casts)] // warn on lints, that are included in `rust-lang/rust`s bootstrap #![warn(rust_2018_idioms, unused_lifetimes)] // warn on rustc internal lints #![warn(rustc::internal)] // FIXME: switch to something more ergonomic here, once available. // (Currently there is no way to opt into sysroot crates without `extern crate`.) extern crate rustc_ast; extern crate rustc_ast_pretty; extern crate rustc_data_structures; extern crate rustc_driver; extern crate rustc_errors; extern crate rustc_hir; extern crate rustc_hir_pretty; extern crate rustc_index; extern crate rustc_infer; extern crate rustc_lexer; extern crate rustc_lint; extern crate rustc_middle; extern crate rustc_mir_dataflow; extern crate rustc_parse; extern crate rustc_parse_format; extern crate rustc_session; extern crate rustc_span; extern crate rustc_target; extern crate rustc_trait_selection; extern crate rustc_typeck; #[macro_use] extern crate clippy_utils; use clippy_utils::parse_msrv; use rustc_data_structures::fx::FxHashSet; use rustc_lint::LintId; use rustc_session::Session; /// Macro used to declare a Clippy lint. /// /// Every lint declaration consists of 4 parts: /// /// 1. The documentation, which is used for the website /// 2. The `LINT_NAME`. See [lint naming][lint_naming] on lint naming conventions. /// 3. The `lint_level`, which is a mapping from *one* of our lint groups to `Allow`, `Warn` or /// `Deny`. The lint level here has nothing to do with what lint groups the lint is a part of. /// 4. The `description` that contains a short explanation on what's wrong with code where the /// lint is triggered. /// /// Currently the categories `style`, `correctness`, `suspicious`, `complexity` and `perf` are /// enabled by default. As said in the README.md of this repository, if the lint level mapping /// changes, please update README.md. /// /// # Example /// /// ``` /// #![feature(rustc_private)] /// extern crate rustc_session; /// use rustc_session::declare_tool_lint; /// use clippy_lints::declare_clippy_lint; /// /// declare_clippy_lint! { /// /// ### What it does /// /// Checks for ... (describe what the lint matches). /// /// /// /// ### Why is this bad? /// /// Supply the reason for linting the code. /// /// /// /// ### Example /// /// ```rust /// /// // Bad /// /// Insert a short example of code that triggers the lint /// /// /// /// // Good /// /// Insert a short example of improved code that doesn't trigger the lint /// /// ``` /// pub LINT_NAME, /// pedantic, /// "description" /// } /// ``` /// [lint_naming]: https://rust-lang.github.io/rfcs/0344-conventions-galore.html#lints #[macro_export] macro_rules! declare_clippy_lint { { $(#[$attr:meta])* pub $name:tt, style, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Warn, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, correctness, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Deny, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, suspicious, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Warn, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, complexity, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Warn, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, perf, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Warn, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, pedantic, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, restriction, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, cargo, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, nursery, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, internal, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true } }; { $(#[$attr:meta])* pub $name:tt, internal_warn, $description:tt } => { declare_tool_lint! { $(#[$attr])* pub clippy::$name, Warn, $description, report_in_external_macro: true } }; } #[cfg(feature = "internal")] mod deprecated_lints; #[cfg_attr(feature = "internal", allow(clippy::missing_clippy_version_attribute))] mod utils; // begin lints modules, do not remove this comment, it’s used in `update_lints` mod absurd_extreme_comparisons; mod approx_const; mod arithmetic; mod as_conversions; mod asm_syntax; mod assertions_on_constants; mod assign_ops; mod async_yields_async; mod attrs; mod await_holding_invalid; mod bit_mask; mod blacklisted_name; mod blocks_in_if_conditions; mod bool_assert_comparison; mod booleans; mod borrow_as_ptr; mod bytecount; mod cargo_common_metadata; mod case_sensitive_file_extension_comparisons; mod casts; mod checked_conversions; mod cognitive_complexity; mod collapsible_if; mod collapsible_match; mod comparison_chain; mod copies; mod copy_iterator; mod create_dir; mod dbg_macro; mod default; mod default_numeric_fallback; mod dereference; mod derivable_impls; mod derive; mod disallowed_methods; mod disallowed_script_idents; mod disallowed_types; mod doc; mod double_comparison; mod double_parens; mod drop_forget_ref; mod duration_subsec; mod else_if_without_else; mod empty_enum; mod entry; mod enum_clike; mod enum_variants; mod eq_op; mod equatable_if_let; mod erasing_op; mod escape; mod eta_reduction; mod eval_order_dependence; mod excessive_bools; mod exhaustive_items; mod exit; mod explicit_write; mod fallible_impl_from; mod feature_name; mod float_equality_without_abs; mod float_literal; mod floating_point_arithmetic; mod format; mod format_args; mod formatting; mod from_over_into; mod from_str_radix_10; mod functions; mod future_not_send; mod get_last_with_len; mod identity_op; mod if_let_mutex; mod if_not_else; mod if_then_some_else_none; mod implicit_hasher; mod implicit_return; mod implicit_saturating_sub; mod inconsistent_struct_constructor; mod index_refutable_slice; mod indexing_slicing; mod infinite_iter; mod inherent_impl; mod inherent_to_string; mod init_numbered_fields; mod inline_fn_without_body; mod int_plus_one; mod integer_division; mod invalid_upcast_comparisons; mod items_after_statements; mod iter_not_returning_iterator; mod large_const_arrays; mod large_enum_variant; mod large_stack_arrays; mod len_zero; mod let_if_seq; mod let_underscore; mod lifetimes; mod literal_representation; mod loops; mod macro_use; mod main_recursion; mod manual_assert; mod manual_async_fn; mod manual_bits; mod manual_map; mod manual_non_exhaustive; mod manual_ok_or; mod manual_strip; mod manual_unwrap_or; mod map_clone; mod map_err_ignore; mod map_unit_fn; mod match_on_vec_items; mod match_result_ok; mod match_str_case_mismatch; mod matches; mod mem_forget; mod mem_replace; mod methods; mod minmax; mod misc; mod misc_early; mod missing_const_for_fn; mod missing_doc; mod missing_enforced_import_rename; mod missing_inline; mod module_style; mod modulo_arithmetic; mod multiple_crate_versions; mod mut_key; mod mut_mut; mod mut_mutex_lock; mod mut_reference; mod mutable_debug_assertion; mod mutex_atomic; mod needless_arbitrary_self_type; mod needless_bitwise_bool; mod needless_bool; mod needless_borrowed_ref; mod needless_continue; mod needless_for_each; mod needless_late_init; mod needless_option_as_deref; mod needless_pass_by_value; mod needless_question_mark; mod needless_update; mod neg_cmp_op_on_partial_ord; mod neg_multiply; mod new_without_default; mod no_effect; mod non_copy_const; mod non_expressive_names; mod non_octal_unix_permissions; mod non_send_fields_in_send_ty; mod nonstandard_macro_braces; mod octal_escapes; mod open_options; mod option_env_unwrap; mod option_if_let_else; mod overflow_check_conditional; mod panic_in_result_fn; mod panic_unimplemented; mod partialeq_ne_impl; mod pass_by_ref_or_value; mod path_buf_push_overwrite; mod pattern_type_mismatch; mod precedence; mod ptr; mod ptr_eq; mod ptr_offset_with_cast; mod question_mark; mod ranges; mod redundant_clone; mod redundant_closure_call; mod redundant_else; mod redundant_field_names; mod redundant_pub_crate; mod redundant_slicing; mod redundant_static_lifetimes; mod ref_option_ref; mod reference; mod regex; mod repeat_once; mod return_self_not_must_use; mod returns; mod same_name_method; mod self_assignment; mod self_named_constructors; mod semicolon_if_nothing_returned; mod serde_api; mod shadow; mod single_char_lifetime_names; mod single_component_path_imports; mod size_of_in_element_count; mod slow_vector_initialization; mod stable_sort_primitive; mod strings; mod strlen_on_c_strings; mod suspicious_operation_groupings; mod suspicious_trait_impl; mod swap; mod tabs_in_doc_comments; mod temporary_assignment; mod to_digit_is_some; mod to_string_in_display; mod trailing_empty_array; mod trait_bounds; mod transmute; mod transmuting_null; mod try_err; mod types; mod undocumented_unsafe_blocks; mod undropped_manually_drops; mod unicode; mod uninit_vec; mod unit_hash; mod unit_return_expecting_ord; mod unit_types; mod unnamed_address; mod unnecessary_self_imports; mod unnecessary_sort_by; mod unnecessary_wraps; mod unnested_or_patterns; mod unsafe_removed_from_name; mod unused_async; mod unused_io_amount; mod unused_self; mod unused_unit; mod unwrap; mod unwrap_in_result; mod upper_case_acronyms; mod use_self; mod useless_conversion; mod vec; mod vec_init_then_push; mod vec_resize_to_zero; mod verbose_file_reads; mod wildcard_dependencies; mod wildcard_imports; mod write; mod zero_div_zero; mod zero_sized_map_values; // end lints modules, do not remove this comment, it’s used in `update_lints` pub use crate::utils::conf::Conf; use crate::utils::conf::TryConf; /// Register all pre expansion lints /// /// Pre-expansion lints run before any macro expansion has happened. /// /// Note that due to the architecture of the compiler, currently `cfg_attr` attributes on crate /// level (i.e `#![cfg_attr(...)]`) will still be expanded even when using a pre-expansion pass. /// /// Used in `./src/driver.rs`. pub fn register_pre_expansion_lints(store: &mut rustc_lint::LintStore, sess: &Session, conf: &Conf) { // NOTE: Do not add any more pre-expansion passes. These should be removed eventually. let msrv = conf.msrv.as_ref().and_then(|s| { parse_msrv(s, None, None).or_else(|| { sess.err(&format!( "error reading Clippy's configuration file. `{}` is not a valid Rust version", s )); None }) }); store.register_pre_expansion_pass(|| Box::new(write::Write::default())); store.register_pre_expansion_pass(move || Box::new(attrs::EarlyAttributes { msrv })); store.register_pre_expansion_pass(|| Box::new(dbg_macro::DbgMacro)); } #[doc(hidden)] pub fn read_conf(sess: &Session) -> Conf { let file_name = match utils::conf::lookup_conf_file() { Ok(Some(path)) => path, Ok(None) => return Conf::default(), Err(error) => { sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)) .emit(); return Conf::default(); }, }; let TryConf { conf, errors } = utils::conf::read(&file_name); // all conf errors are non-fatal, we just use the default conf in case of error for error in errors { sess.struct_err(&format!( "error reading Clippy's configuration file `{}`: {}", file_name.display(), error )) .emit(); } conf } /// Register all lints and lint groups with the rustc plugin registry /// /// Used in `./src/driver.rs`. #[allow(clippy::too_many_lines)] pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: &Conf) { register_removed_non_tool_lints(store); include!("lib.deprecated.rs"); include!("lib.register_lints.rs"); include!("lib.register_restriction.rs"); include!("lib.register_pedantic.rs"); #[cfg(feature = "internal")] include!("lib.register_internal.rs"); include!("lib.register_all.rs"); include!("lib.register_style.rs"); include!("lib.register_complexity.rs"); include!("lib.register_correctness.rs"); include!("lib.register_suspicious.rs"); include!("lib.register_perf.rs"); include!("lib.register_cargo.rs"); include!("lib.register_nursery.rs"); #[cfg(feature = "internal")] { if std::env::var("ENABLE_METADATA_COLLECTION").eq(&Ok("1".to_string())) { store.register_late_pass(|| Box::new(utils::internal_lints::metadata_collector::MetadataCollector::new())); return; } } // all the internal lints #[cfg(feature = "internal")] { store.register_early_pass(|| Box::new(utils::internal_lints::ClippyLintsInternal)); store.register_early_pass(|| Box::new(utils::internal_lints::ProduceIce)); store.register_late_pass(|| Box::new(utils::inspector::DeepCodeInspector)); store.register_late_pass(|| Box::new(utils::internal_lints::CollapsibleCalls)); store.register_late_pass(|| Box::new(utils::internal_lints::CompilerLintFunctions::new())); store.register_late_pass(|| Box::new(utils::internal_lints::IfChainStyle)); store.register_late_pass(|| Box::new(utils::internal_lints::InvalidPaths)); store.register_late_pass(|| Box::new(utils::internal_lints::InterningDefinedSymbol::default())); store.register_late_pass(|| Box::new(utils::internal_lints::LintWithoutLintPass::default())); store.register_late_pass(|| Box::new(utils::internal_lints::MatchTypeOnDiagItem)); store.register_late_pass(|| Box::new(utils::internal_lints::OuterExpnDataPass)); } store.register_late_pass(|| Box::new(utils::author::Author)); store.register_late_pass(|| Box::new(await_holding_invalid::AwaitHolding)); store.register_late_pass(|| Box::new(serde_api::SerdeApi)); let vec_box_size_threshold = conf.vec_box_size_threshold; let type_complexity_threshold = conf.type_complexity_threshold; let avoid_breaking_exported_api = conf.avoid_breaking_exported_api; store.register_late_pass(move || { Box::new(types::Types::new( vec_box_size_threshold, type_complexity_threshold, avoid_breaking_exported_api, )) }); store.register_late_pass(|| Box::new(booleans::NonminimalBool)); store.register_late_pass(|| Box::new(needless_bitwise_bool::NeedlessBitwiseBool)); store.register_late_pass(|| Box::new(eq_op::EqOp)); store.register_late_pass(|| Box::new(enum_clike::UnportableVariant)); store.register_late_pass(|| Box::new(float_literal::FloatLiteral)); let verbose_bit_mask_threshold = conf.verbose_bit_mask_threshold; store.register_late_pass(move || Box::new(bit_mask::BitMask::new(verbose_bit_mask_threshold))); store.register_late_pass(|| Box::new(ptr::Ptr)); store.register_late_pass(|| Box::new(ptr_eq::PtrEq)); store.register_late_pass(|| Box::new(needless_bool::NeedlessBool)); store.register_late_pass(|| Box::new(needless_option_as_deref::OptionNeedlessDeref)); store.register_late_pass(|| Box::new(needless_bool::BoolComparison)); store.register_late_pass(|| Box::new(needless_for_each::NeedlessForEach)); store.register_late_pass(|| Box::new(misc::MiscLints)); store.register_late_pass(|| Box::new(eta_reduction::EtaReduction)); store.register_late_pass(|| Box::new(identity_op::IdentityOp)); store.register_late_pass(|| Box::new(erasing_op::ErasingOp)); store.register_late_pass(|| Box::new(mut_mut::MutMut)); store.register_late_pass(|| Box::new(mut_reference::UnnecessaryMutPassed)); store.register_late_pass(|| Box::new(len_zero::LenZero)); store.register_late_pass(|| Box::new(attrs::Attributes)); store.register_late_pass(|| Box::new(blocks_in_if_conditions::BlocksInIfConditions)); store.register_late_pass(|| Box::new(collapsible_match::CollapsibleMatch)); store.register_late_pass(|| Box::new(unicode::Unicode)); store.register_late_pass(|| Box::new(uninit_vec::UninitVec)); store.register_late_pass(|| Box::new(unit_hash::UnitHash)); store.register_late_pass(|| Box::new(unit_return_expecting_ord::UnitReturnExpectingOrd)); store.register_late_pass(|| Box::new(strings::StringAdd)); store.register_late_pass(|| Box::new(implicit_return::ImplicitReturn)); store.register_late_pass(|| Box::new(implicit_saturating_sub::ImplicitSaturatingSub)); store.register_late_pass(|| Box::new(default_numeric_fallback::DefaultNumericFallback)); store.register_late_pass(|| Box::new(inconsistent_struct_constructor::InconsistentStructConstructor)); store.register_late_pass(|| Box::new(non_octal_unix_permissions::NonOctalUnixPermissions)); store.register_early_pass(|| Box::new(unnecessary_self_imports::UnnecessarySelfImports)); let msrv = conf.msrv.as_ref().and_then(|s| { parse_msrv(s, None, None).or_else(|| { sess.err(&format!( "error reading Clippy's configuration file. `{}` is not a valid Rust version", s )); None }) }); let avoid_breaking_exported_api = conf.avoid_breaking_exported_api; store.register_late_pass(move || Box::new(approx_const::ApproxConstant::new(msrv))); store.register_late_pass(move || Box::new(methods::Methods::new(avoid_breaking_exported_api, msrv))); store.register_late_pass(move || Box::new(matches::Matches::new(msrv))); store.register_early_pass(move || Box::new(manual_non_exhaustive::ManualNonExhaustive::new(msrv))); store.register_late_pass(move || Box::new(manual_strip::ManualStrip::new(msrv))); store.register_early_pass(move || Box::new(redundant_static_lifetimes::RedundantStaticLifetimes::new(msrv))); store.register_early_pass(move || Box::new(redundant_field_names::RedundantFieldNames::new(msrv))); store.register_late_pass(move || Box::new(checked_conversions::CheckedConversions::new(msrv))); store.register_late_pass(move || Box::new(mem_replace::MemReplace::new(msrv))); store.register_late_pass(move || Box::new(ranges::Ranges::new(msrv))); store.register_late_pass(move || Box::new(from_over_into::FromOverInto::new(msrv))); store.register_late_pass(move || Box::new(use_self::UseSelf::new(msrv))); store.register_late_pass(move || Box::new(missing_const_for_fn::MissingConstForFn::new(msrv))); store.register_late_pass(move || Box::new(needless_question_mark::NeedlessQuestionMark)); store.register_late_pass(move || Box::new(casts::Casts::new(msrv))); store.register_early_pass(move || Box::new(unnested_or_patterns::UnnestedOrPatterns::new(msrv))); store.register_late_pass(move || Box::new(map_clone::MapClone::new(msrv))); store.register_late_pass(|| Box::new(size_of_in_element_count::SizeOfInElementCount)); store.register_late_pass(|| Box::new(same_name_method::SameNameMethod)); let max_suggested_slice_pattern_length = conf.max_suggested_slice_pattern_length; store.register_late_pass(move || { Box::new(index_refutable_slice::IndexRefutableSlice::new( max_suggested_slice_pattern_length, msrv, )) }); store.register_late_pass(|| Box::new(map_err_ignore::MapErrIgnore)); store.register_late_pass(|| Box::new(shadow::Shadow::default())); store.register_late_pass(|| Box::new(unit_types::UnitTypes)); store.register_late_pass(|| Box::new(loops::Loops)); store.register_late_pass(|| Box::new(main_recursion::MainRecursion::default())); store.register_late_pass(|| Box::new(lifetimes::Lifetimes)); store.register_late_pass(|| Box::new(entry::HashMapPass)); store.register_late_pass(|| Box::new(minmax::MinMaxPass)); store.register_late_pass(|| Box::new(open_options::OpenOptions)); store.register_late_pass(|| Box::new(zero_div_zero::ZeroDiv)); store.register_late_pass(|| Box::new(mutex_atomic::Mutex)); store.register_late_pass(|| Box::new(needless_update::NeedlessUpdate)); store.register_late_pass(|| Box::new(needless_borrowed_ref::NeedlessBorrowedRef)); store.register_late_pass(|| Box::new(no_effect::NoEffect)); store.register_late_pass(|| Box::new(temporary_assignment::TemporaryAssignment)); store.register_late_pass(|| Box::new(transmute::Transmute)); let cognitive_complexity_threshold = conf.cognitive_complexity_threshold; store.register_late_pass(move || { Box::new(cognitive_complexity::CognitiveComplexity::new( cognitive_complexity_threshold, )) }); let too_large_for_stack = conf.too_large_for_stack; store.register_late_pass(move || Box::new(escape::BoxedLocal { too_large_for_stack })); store.register_late_pass(move || Box::new(vec::UselessVec { too_large_for_stack })); store.register_late_pass(|| Box::new(panic_unimplemented::PanicUnimplemented)); store.register_late_pass(|| Box::new(strings::StringLitAsBytes)); store.register_late_pass(|| Box::new(derive::Derive)); store.register_late_pass(|| Box::new(derivable_impls::DerivableImpls)); store.register_late_pass(|| Box::new(get_last_with_len::GetLastWithLen)); store.register_late_pass(|| Box::new(drop_forget_ref::DropForgetRef)); store.register_late_pass(|| Box::new(empty_enum::EmptyEnum)); store.register_late_pass(|| Box::new(absurd_extreme_comparisons::AbsurdExtremeComparisons)); store.register_late_pass(|| Box::new(invalid_upcast_comparisons::InvalidUpcastComparisons)); store.register_late_pass(|| Box::new(regex::Regex)); store.register_late_pass(|| Box::new(copies::CopyAndPaste)); store.register_late_pass(|| Box::new(copy_iterator::CopyIterator)); store.register_late_pass(|| Box::new(format::UselessFormat)); store.register_late_pass(|| Box::new(swap::Swap)); store.register_late_pass(|| Box::new(overflow_check_conditional::OverflowCheckConditional)); store.register_late_pass(|| Box::new(new_without_default::NewWithoutDefault::default())); let blacklisted_names = conf.blacklisted_names.iter().cloned().collect::>(); store.register_late_pass(move || Box::new(blacklisted_name::BlacklistedName::new(blacklisted_names.clone()))); let too_many_arguments_threshold = conf.too_many_arguments_threshold; let too_many_lines_threshold = conf.too_many_lines_threshold; store.register_late_pass(move || { Box::new(functions::Functions::new( too_many_arguments_threshold, too_many_lines_threshold, )) }); let doc_valid_idents = conf.doc_valid_idents.iter().cloned().collect::>(); store.register_late_pass(move || Box::new(doc::DocMarkdown::new(doc_valid_idents.clone()))); store.register_late_pass(|| Box::new(neg_multiply::NegMultiply)); store.register_late_pass(|| Box::new(mem_forget::MemForget)); store.register_late_pass(|| Box::new(arithmetic::Arithmetic::default())); store.register_late_pass(|| Box::new(assign_ops::AssignOps)); store.register_late_pass(|| Box::new(let_if_seq::LetIfSeq)); store.register_late_pass(|| Box::new(eval_order_dependence::EvalOrderDependence)); store.register_late_pass(|| Box::new(missing_doc::MissingDoc::new())); store.register_late_pass(|| Box::new(missing_inline::MissingInline)); store.register_late_pass(move || Box::new(exhaustive_items::ExhaustiveItems)); store.register_late_pass(|| Box::new(match_result_ok::MatchResultOk)); store.register_late_pass(|| Box::new(partialeq_ne_impl::PartialEqNeImpl)); store.register_late_pass(|| Box::new(unused_io_amount::UnusedIoAmount)); let enum_variant_size_threshold = conf.enum_variant_size_threshold; store.register_late_pass(move || Box::new(large_enum_variant::LargeEnumVariant::new(enum_variant_size_threshold))); store.register_late_pass(|| Box::new(explicit_write::ExplicitWrite)); store.register_late_pass(|| Box::new(needless_pass_by_value::NeedlessPassByValue)); let pass_by_ref_or_value = pass_by_ref_or_value::PassByRefOrValue::new( conf.trivial_copy_size_limit, conf.pass_by_value_size_limit, conf.avoid_breaking_exported_api, &sess.target, ); store.register_late_pass(move || Box::new(pass_by_ref_or_value)); store.register_late_pass(|| Box::new(ref_option_ref::RefOptionRef)); store.register_late_pass(|| Box::new(try_err::TryErr)); store.register_late_pass(|| Box::new(bytecount::ByteCount)); store.register_late_pass(|| Box::new(infinite_iter::InfiniteIter)); store.register_late_pass(|| Box::new(inline_fn_without_body::InlineFnWithoutBody)); store.register_late_pass(|| Box::new(useless_conversion::UselessConversion::default())); store.register_late_pass(|| Box::new(implicit_hasher::ImplicitHasher)); store.register_late_pass(|| Box::new(fallible_impl_from::FallibleImplFrom)); store.register_late_pass(|| Box::new(double_comparison::DoubleComparisons)); store.register_late_pass(|| Box::new(question_mark::QuestionMark)); store.register_early_pass(|| Box::new(suspicious_operation_groupings::SuspiciousOperationGroupings)); store.register_late_pass(|| Box::new(suspicious_trait_impl::SuspiciousImpl)); store.register_late_pass(|| Box::new(map_unit_fn::MapUnit)); store.register_late_pass(|| Box::new(inherent_impl::MultipleInherentImpl)); store.register_late_pass(|| Box::new(neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd)); store.register_late_pass(|| Box::new(unwrap::Unwrap)); store.register_late_pass(|| Box::new(duration_subsec::DurationSubsec)); store.register_late_pass(|| Box::new(indexing_slicing::IndexingSlicing)); store.register_late_pass(|| Box::new(non_copy_const::NonCopyConst)); store.register_late_pass(|| Box::new(ptr_offset_with_cast::PtrOffsetWithCast)); store.register_late_pass(|| Box::new(redundant_clone::RedundantClone)); store.register_late_pass(|| Box::new(slow_vector_initialization::SlowVectorInit)); store.register_late_pass(|| Box::new(unnecessary_sort_by::UnnecessarySortBy)); store.register_late_pass(move || Box::new(unnecessary_wraps::UnnecessaryWraps::new(avoid_breaking_exported_api))); store.register_late_pass(|| Box::new(assertions_on_constants::AssertionsOnConstants)); store.register_late_pass(|| Box::new(transmuting_null::TransmutingNull)); store.register_late_pass(|| Box::new(path_buf_push_overwrite::PathBufPushOverwrite)); store.register_late_pass(|| Box::new(integer_division::IntegerDivision)); store.register_late_pass(|| Box::new(inherent_to_string::InherentToString)); let max_trait_bounds = conf.max_trait_bounds; store.register_late_pass(move || Box::new(trait_bounds::TraitBounds::new(max_trait_bounds))); store.register_late_pass(|| Box::new(comparison_chain::ComparisonChain)); store.register_late_pass(|| Box::new(mut_key::MutableKeyType)); store.register_late_pass(|| Box::new(modulo_arithmetic::ModuloArithmetic)); store.register_early_pass(|| Box::new(reference::DerefAddrOf)); store.register_early_pass(|| Box::new(double_parens::DoubleParens)); store.register_late_pass(|| Box::new(to_string_in_display::ToStringInDisplay::new())); store.register_early_pass(|| Box::new(unsafe_removed_from_name::UnsafeNameRemoval)); store.register_early_pass(|| Box::new(else_if_without_else::ElseIfWithoutElse)); store.register_early_pass(|| Box::new(int_plus_one::IntPlusOne)); store.register_early_pass(|| Box::new(formatting::Formatting)); store.register_early_pass(|| Box::new(misc_early::MiscEarlyLints)); store.register_early_pass(|| Box::new(redundant_closure_call::RedundantClosureCall)); store.register_late_pass(|| Box::new(redundant_closure_call::RedundantClosureCall)); store.register_early_pass(|| Box::new(unused_unit::UnusedUnit)); store.register_late_pass(|| Box::new(returns::Return)); store.register_early_pass(|| Box::new(collapsible_if::CollapsibleIf)); store.register_early_pass(|| Box::new(items_after_statements::ItemsAfterStatements)); store.register_early_pass(|| Box::new(precedence::Precedence)); store.register_early_pass(|| Box::new(needless_continue::NeedlessContinue)); store.register_early_pass(|| Box::new(redundant_else::RedundantElse)); store.register_late_pass(|| Box::new(create_dir::CreateDir)); store.register_early_pass(|| Box::new(needless_arbitrary_self_type::NeedlessArbitrarySelfType)); let cargo_ignore_publish = conf.cargo_ignore_publish; store.register_late_pass(move || Box::new(cargo_common_metadata::CargoCommonMetadata::new(cargo_ignore_publish))); store.register_late_pass(|| Box::new(multiple_crate_versions::MultipleCrateVersions)); store.register_late_pass(|| Box::new(wildcard_dependencies::WildcardDependencies)); let literal_representation_lint_fraction_readability = conf.unreadable_literal_lint_fractions; store.register_early_pass(move || { Box::new(literal_representation::LiteralDigitGrouping::new( literal_representation_lint_fraction_readability, )) }); let literal_representation_threshold = conf.literal_representation_threshold; store.register_early_pass(move || { Box::new(literal_representation::DecimalLiteralRepresentation::new( literal_representation_threshold, )) }); let enum_variant_name_threshold = conf.enum_variant_name_threshold; store.register_late_pass(move || { Box::new(enum_variants::EnumVariantNames::new( enum_variant_name_threshold, avoid_breaking_exported_api, )) }); store.register_early_pass(|| Box::new(tabs_in_doc_comments::TabsInDocComments)); let upper_case_acronyms_aggressive = conf.upper_case_acronyms_aggressive; store.register_late_pass(move || { Box::new(upper_case_acronyms::UpperCaseAcronyms::new( avoid_breaking_exported_api, upper_case_acronyms_aggressive, )) }); store.register_late_pass(|| Box::new(default::Default::default())); store.register_late_pass(|| Box::new(unused_self::UnusedSelf)); store.register_late_pass(|| Box::new(mutable_debug_assertion::DebugAssertWithMutCall)); store.register_late_pass(|| Box::new(exit::Exit)); store.register_late_pass(|| Box::new(to_digit_is_some::ToDigitIsSome)); let array_size_threshold = conf.array_size_threshold; store.register_late_pass(move || Box::new(large_stack_arrays::LargeStackArrays::new(array_size_threshold))); store.register_late_pass(move || Box::new(large_const_arrays::LargeConstArrays::new(array_size_threshold))); store.register_late_pass(|| Box::new(floating_point_arithmetic::FloatingPointArithmetic)); store.register_early_pass(|| Box::new(as_conversions::AsConversions)); store.register_late_pass(|| Box::new(let_underscore::LetUnderscore)); store.register_early_pass(|| Box::new(single_component_path_imports::SingleComponentPathImports)); let max_fn_params_bools = conf.max_fn_params_bools; let max_struct_bools = conf.max_struct_bools; store.register_early_pass(move || { Box::new(excessive_bools::ExcessiveBools::new( max_struct_bools, max_fn_params_bools, )) }); store.register_early_pass(|| Box::new(option_env_unwrap::OptionEnvUnwrap)); let warn_on_all_wildcard_imports = conf.warn_on_all_wildcard_imports; store.register_late_pass(move || Box::new(wildcard_imports::WildcardImports::new(warn_on_all_wildcard_imports))); store.register_late_pass(|| Box::new(verbose_file_reads::VerboseFileReads)); store.register_late_pass(|| Box::new(redundant_pub_crate::RedundantPubCrate::default())); store.register_late_pass(|| Box::new(unnamed_address::UnnamedAddress)); store.register_late_pass(|| Box::new(dereference::Dereferencing::default())); store.register_late_pass(|| Box::new(option_if_let_else::OptionIfLetElse)); store.register_late_pass(|| Box::new(future_not_send::FutureNotSend)); store.register_late_pass(|| Box::new(if_let_mutex::IfLetMutex)); store.register_late_pass(|| Box::new(if_not_else::IfNotElse)); store.register_late_pass(|| Box::new(equatable_if_let::PatternEquality)); store.register_late_pass(|| Box::new(mut_mutex_lock::MutMutexLock)); store.register_late_pass(|| Box::new(match_on_vec_items::MatchOnVecItems)); store.register_late_pass(|| Box::new(manual_async_fn::ManualAsyncFn)); store.register_late_pass(|| Box::new(vec_resize_to_zero::VecResizeToZero)); store.register_late_pass(|| Box::new(panic_in_result_fn::PanicInResultFn)); let single_char_binding_names_threshold = conf.single_char_binding_names_threshold; store.register_early_pass(move || { Box::new(non_expressive_names::NonExpressiveNames { single_char_binding_names_threshold, }) }); let macro_matcher = conf.standard_macro_braces.iter().cloned().collect::>(); store.register_early_pass(move || Box::new(nonstandard_macro_braces::MacroBraces::new(¯o_matcher))); store.register_late_pass(|| Box::new(macro_use::MacroUseImports::default())); store.register_late_pass(|| Box::new(pattern_type_mismatch::PatternTypeMismatch)); store.register_late_pass(|| Box::new(stable_sort_primitive::StableSortPrimitive)); store.register_late_pass(|| Box::new(repeat_once::RepeatOnce)); store.register_late_pass(|| Box::new(unwrap_in_result::UnwrapInResult)); store.register_late_pass(|| Box::new(self_assignment::SelfAssignment)); store.register_late_pass(|| Box::new(manual_unwrap_or::ManualUnwrapOr)); store.register_late_pass(|| Box::new(manual_ok_or::ManualOkOr)); store.register_late_pass(|| Box::new(float_equality_without_abs::FloatEqualityWithoutAbs)); store.register_late_pass(|| Box::new(semicolon_if_nothing_returned::SemicolonIfNothingReturned)); store.register_late_pass(|| Box::new(async_yields_async::AsyncYieldsAsync)); let disallowed_methods = conf.disallowed_methods.clone(); store.register_late_pass(move || Box::new(disallowed_methods::DisallowedMethods::new(disallowed_methods.clone()))); store.register_early_pass(|| Box::new(asm_syntax::InlineAsmX86AttSyntax)); store.register_early_pass(|| Box::new(asm_syntax::InlineAsmX86IntelSyntax)); store.register_late_pass(|| Box::new(undropped_manually_drops::UndroppedManuallyDrops)); store.register_late_pass(|| Box::new(strings::StrToString)); store.register_late_pass(|| Box::new(strings::StringToString)); store.register_late_pass(|| Box::new(zero_sized_map_values::ZeroSizedMapValues)); store.register_late_pass(|| Box::new(vec_init_then_push::VecInitThenPush::default())); store.register_late_pass(|| { Box::new(case_sensitive_file_extension_comparisons::CaseSensitiveFileExtensionComparisons) }); store.register_late_pass(|| Box::new(redundant_slicing::RedundantSlicing)); store.register_late_pass(|| Box::new(from_str_radix_10::FromStrRadix10)); store.register_late_pass(|| Box::new(manual_map::ManualMap)); store.register_late_pass(move || Box::new(if_then_some_else_none::IfThenSomeElseNone::new(msrv))); store.register_late_pass(|| Box::new(bool_assert_comparison::BoolAssertComparison)); store.register_early_pass(move || Box::new(module_style::ModStyle)); store.register_late_pass(|| Box::new(unused_async::UnusedAsync)); let disallowed_types = conf.disallowed_types.clone(); store.register_late_pass(move || Box::new(disallowed_types::DisallowedTypes::new(disallowed_types.clone()))); let import_renames = conf.enforced_import_renames.clone(); store.register_late_pass(move || { Box::new(missing_enforced_import_rename::ImportRename::new( import_renames.clone(), )) }); let scripts = conf.allowed_scripts.clone(); store.register_early_pass(move || Box::new(disallowed_script_idents::DisallowedScriptIdents::new(&scripts))); store.register_late_pass(|| Box::new(strlen_on_c_strings::StrlenOnCStrings)); store.register_late_pass(move || Box::new(self_named_constructors::SelfNamedConstructors)); store.register_late_pass(move || Box::new(feature_name::FeatureName)); store.register_late_pass(move || Box::new(iter_not_returning_iterator::IterNotReturningIterator)); store.register_late_pass(move || Box::new(manual_assert::ManualAssert)); let enable_raw_pointer_heuristic_for_send = conf.enable_raw_pointer_heuristic_for_send; store.register_late_pass(move || { Box::new(non_send_fields_in_send_ty::NonSendFieldInSendTy::new( enable_raw_pointer_heuristic_for_send, )) }); store.register_late_pass(move || Box::new(undocumented_unsafe_blocks::UndocumentedUnsafeBlocks::default())); store.register_late_pass(|| Box::new(match_str_case_mismatch::MatchStrCaseMismatch)); store.register_late_pass(move || Box::new(format_args::FormatArgs)); store.register_late_pass(|| Box::new(trailing_empty_array::TrailingEmptyArray)); store.register_early_pass(|| Box::new(octal_escapes::OctalEscapes)); store.register_late_pass(|| Box::new(needless_late_init::NeedlessLateInit)); store.register_late_pass(|| Box::new(return_self_not_must_use::ReturnSelfNotMustUse)); store.register_late_pass(|| Box::new(init_numbered_fields::NumberedFields)); store.register_early_pass(|| Box::new(single_char_lifetime_names::SingleCharLifetimeNames)); store.register_late_pass(move || Box::new(borrow_as_ptr::BorrowAsPtr::new(msrv))); store.register_late_pass(move || Box::new(manual_bits::ManualBits::new(msrv))); // add lints here, do not remove this comment, it's used in `new_lint` } #[rustfmt::skip] fn register_removed_non_tool_lints(store: &mut rustc_lint::LintStore) { store.register_removed( "should_assert_eq", "`assert!()` will be more flexible with RFC 2011", ); store.register_removed( "extend_from_slice", "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice", ); store.register_removed( "range_step_by_zero", "`iterator.step_by(0)` panics nowadays", ); store.register_removed( "unstable_as_slice", "`Vec::as_slice` has been stabilized in 1.7", ); store.register_removed( "unstable_as_mut_slice", "`Vec::as_mut_slice` has been stabilized in 1.7", ); store.register_removed( "misaligned_transmute", "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr", ); store.register_removed( "assign_ops", "using compound assignment operators (e.g., `+=`) is harmless", ); store.register_removed( "if_let_redundant_pattern_matching", "this lint has been changed to redundant_pattern_matching", ); store.register_removed( "unsafe_vector_initialization", "the replacement suggested by this lint had substantially different behavior", ); store.register_removed( "reverse_range_loop", "this lint is now included in reversed_empty_ranges", ); } /// Register renamed lints. /// /// Used in `./src/driver.rs`. pub fn register_renamed(ls: &mut rustc_lint::LintStore) { // NOTE: when renaming a lint, add a corresponding test to tests/ui/rename.rs ls.register_renamed("clippy::stutter", "clippy::module_name_repetitions"); ls.register_renamed("clippy::new_without_default_derive", "clippy::new_without_default"); ls.register_renamed("clippy::cyclomatic_complexity", "clippy::cognitive_complexity"); ls.register_renamed("clippy::const_static_lifetime", "clippy::redundant_static_lifetimes"); ls.register_renamed("clippy::option_and_then_some", "clippy::bind_instead_of_map"); ls.register_renamed("clippy::box_vec", "clippy::box_collection"); ls.register_renamed("clippy::block_in_if_condition_expr", "clippy::blocks_in_if_conditions"); ls.register_renamed("clippy::block_in_if_condition_stmt", "clippy::blocks_in_if_conditions"); ls.register_renamed("clippy::option_map_unwrap_or", "clippy::map_unwrap_or"); ls.register_renamed("clippy::option_map_unwrap_or_else", "clippy::map_unwrap_or"); ls.register_renamed("clippy::result_map_unwrap_or_else", "clippy::map_unwrap_or"); ls.register_renamed("clippy::option_unwrap_used", "clippy::unwrap_used"); ls.register_renamed("clippy::result_unwrap_used", "clippy::unwrap_used"); ls.register_renamed("clippy::option_expect_used", "clippy::expect_used"); ls.register_renamed("clippy::result_expect_used", "clippy::expect_used"); ls.register_renamed("clippy::for_loop_over_option", "clippy::for_loops_over_fallibles"); ls.register_renamed("clippy::for_loop_over_result", "clippy::for_loops_over_fallibles"); ls.register_renamed("clippy::identity_conversion", "clippy::useless_conversion"); ls.register_renamed("clippy::zero_width_space", "clippy::invisible_characters"); ls.register_renamed("clippy::single_char_push_str", "clippy::single_char_add_str"); ls.register_renamed("clippy::if_let_some_result", "clippy::match_result_ok"); ls.register_renamed("clippy::disallowed_type", "clippy::disallowed_types"); ls.register_renamed("clippy::disallowed_method", "clippy::disallowed_methods"); ls.register_renamed("clippy::ref_in_deref", "clippy::needless_borrow"); // uplifted lints ls.register_renamed("clippy::invalid_ref", "invalid_value"); ls.register_renamed("clippy::into_iter_on_array", "array_into_iter"); ls.register_renamed("clippy::unused_label", "unused_labels"); ls.register_renamed("clippy::drop_bounds", "drop_bounds"); ls.register_renamed("clippy::temporary_cstring_as_ptr", "temporary_cstring_as_ptr"); ls.register_renamed("clippy::panic_params", "non_fmt_panics"); ls.register_renamed("clippy::unknown_clippy_lints", "unknown_lints"); ls.register_renamed("clippy::invalid_atomic_ordering", "invalid_atomic_ordering"); ls.register_renamed("clippy::mem_discriminant_non_enum", "enum_intrinsics_non_enums"); } // only exists to let the dogfood integration test works. // Don't run clippy as an executable directly #[allow(dead_code)] fn main() { panic!("Please use the cargo-clippy executable"); }