1 // error-pattern:cargo-clippy
3 #![feature(box_syntax)]
4 #![feature(rustc_private)]
5 #![feature(slice_patterns)]
6 #![feature(stmt_expr_attributes)]
7 #![feature(range_contains)]
8 #![feature(macro_vis_matcher)]
9 #![allow(unknown_lints, indexing_slicing, shadow_reuse, missing_docs_in_private_items)]
10 #![recursion_limit = "256"]
11 #![allow(stable_features)]
12 #![feature(iterator_find_map)]
13 #![feature(macro_at_most_once_rep)]
14 #![feature(rust_2018_preview)]
16 extern crate cargo_metadata;
19 extern crate rustc_target;
20 extern crate rustc_typeck;
22 extern crate syntax_pos;
26 // for unicode nfc normalization
28 extern crate unicode_normalization;
30 // for semver check in attrs.rs
36 extern crate regex_syntax;
38 // for finding minimal boolean expressions
40 extern crate quine_mc_cluskey;
42 extern crate rustc_errors;
43 extern crate rustc_plugin;
46 extern crate matches as matches_macro;
50 extern crate serde_derive;
53 extern crate lazy_static;
55 extern crate itertools;
56 extern crate pulldown_cmark;
60 extern crate if_chain;
62 macro_rules! declare_clippy_lint {
63 { pub $name:tt, style, $description:tt } => {
64 declare_lint! { pub $name, Warn, $description }
66 { pub $name:tt, correctness, $description:tt } => {
67 declare_lint! { pub $name, Deny, $description }
69 { pub $name:tt, complexity, $description:tt } => {
70 declare_lint! { pub $name, Warn, $description }
72 { pub $name:tt, perf, $description:tt } => {
73 declare_lint! { pub $name, Warn, $description }
75 { pub $name:tt, pedantic, $description:tt } => {
76 declare_lint! { pub $name, Allow, $description }
78 { pub $name:tt, restriction, $description:tt } => {
79 declare_lint! { pub $name, Allow, $description }
81 { pub $name:tt, cargo, $description:tt } => {
82 declare_lint! { pub $name, Allow, $description }
84 { pub $name:tt, nursery, $description:tt } => {
85 declare_lint! { pub $name, Allow, $description }
87 { pub $name:tt, internal, $description:tt } => {
88 declare_lint! { pub $name, Allow, $description }
90 { pub $name:tt, internal_warn, $description:tt } => {
91 declare_lint! { pub $name, Warn, $description }
99 // begin lints modules, do not remove this comment, it’s used in `update_lints`
100 pub mod approx_const;
102 pub mod array_indexing;
106 pub mod blacklisted_name;
107 pub mod block_in_if_condition;
110 pub mod collapsible_if;
111 pub mod const_static_lifetime;
113 pub mod cyclomatic_complexity;
116 pub mod double_comparison;
117 pub mod double_parens;
118 pub mod drop_forget_ref;
119 pub mod else_if_without_else;
123 pub mod enum_glob_use;
124 pub mod enum_variants;
128 pub mod eta_reduction;
129 pub mod eval_order_dependence;
130 pub mod excessive_precision;
131 pub mod explicit_write;
132 pub mod fallible_impl_from;
136 pub mod identity_conversion;
138 pub mod if_let_redundant_pattern_matching;
140 pub mod infallible_destructuring_match;
141 pub mod infinite_iter;
142 pub mod inherent_impl;
143 pub mod inline_fn_without_body;
144 pub mod int_plus_one;
146 pub mod items_after_statements;
147 pub mod large_enum_variant;
151 pub mod literal_representation;
162 pub mod multiple_crate_versions;
164 pub mod mut_reference;
165 pub mod mutex_atomic;
166 pub mod needless_bool;
167 pub mod needless_borrow;
168 pub mod needless_borrowed_ref;
169 pub mod needless_continue;
170 pub mod needless_pass_by_value;
171 pub mod needless_update;
172 pub mod neg_multiply;
173 pub mod new_without_default;
175 pub mod non_expressive_names;
177 pub mod open_options;
178 pub mod overflow_check_conditional;
179 pub mod panic_unimplemented;
180 pub mod partialeq_ne_impl;
183 pub mod question_mark;
185 pub mod redundant_field_names;
188 pub mod replace_consts;
193 pub mod suspicious_trait_impl;
195 pub mod temporary_assignment;
199 pub mod unsafe_removed_from_name;
200 pub mod unused_io_amount;
201 pub mod unused_label;
205 pub mod zero_div_zero;
206 // end lints modules, do not remove this comment, it’s used in `update_lints`
209 pub use syntax::ast::{Name, NodeId};
212 #[cfg_attr(rustfmt, rustfmt_skip)]
213 pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
214 let conf = match utils::conf::file_from_args(reg.args()) {
216 // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
217 // do not require the file to exist
218 let file_name = if let Some(file_name) = file_name {
221 match utils::conf::lookup_conf_file() {
224 reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
230 let file_name = file_name.map(|file_name| if file_name.is_relative() {
232 .local_crate_source_file
234 .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
241 let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
243 // all conf errors are non-fatal, we just use the default conf in case of error
244 for error in errors {
245 reg.sess.struct_err(&format!("error reading Clippy's configuration file `{}`: {}", file_name.as_ref().and_then(|p| p.to_str()).unwrap_or(""), error)).emit();
250 Err((err, span)) => {
251 reg.sess.struct_span_err(span, err)
252 .span_note(span, "Clippy will use default configuration")
254 toml::from_str("").expect("we never error on empty config files")
258 let mut store = reg.sess.lint_store.borrow_mut();
259 store.register_removed(
261 "`assert!()` will be more flexible with RFC 2011",
263 store.register_removed(
265 "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
267 store.register_removed(
268 "range_step_by_zero",
269 "`iterator.step_by(0)` panics nowadays",
271 store.register_removed(
273 "`Vec::as_slice` has been stabilized in 1.7",
275 store.register_removed(
276 "unstable_as_mut_slice",
277 "`Vec::as_mut_slice` has been stabilized in 1.7",
279 store.register_removed(
281 "using `str::to_string` is common even today and specialization will likely happen soon",
283 store.register_removed(
285 "using `string::to_string` is common even today and specialization will likely happen soon",
287 store.register_removed(
288 "misaligned_transmute",
289 "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
291 // end deprecated lints, do not remove this comment, it’s used in `update_lints`
293 reg.register_late_lint_pass(box serde_api::Serde);
294 reg.register_early_lint_pass(box utils::internal_lints::Clippy);
295 reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
296 reg.register_late_lint_pass(box utils::inspector::Pass);
297 reg.register_late_lint_pass(box utils::author::Pass);
298 reg.register_late_lint_pass(box types::TypePass);
299 reg.register_late_lint_pass(box booleans::NonminimalBool);
300 reg.register_late_lint_pass(box eq_op::EqOp);
301 reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
302 reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
303 reg.register_late_lint_pass(box enum_clike::UnportableVariant);
304 reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
305 reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
306 reg.register_late_lint_pass(box ptr::PointerPass);
307 reg.register_late_lint_pass(box needless_bool::NeedlessBool);
308 reg.register_late_lint_pass(box needless_bool::BoolComparison);
309 reg.register_late_lint_pass(box approx_const::Pass);
310 reg.register_late_lint_pass(box misc::Pass);
311 reg.register_early_lint_pass(box precedence::Precedence);
312 reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
313 reg.register_late_lint_pass(box eta_reduction::EtaPass);
314 reg.register_late_lint_pass(box identity_op::IdentityOp);
315 reg.register_late_lint_pass(box erasing_op::ErasingOp);
316 reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
317 reg.register_late_lint_pass(box mut_mut::MutMut);
318 reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
319 reg.register_late_lint_pass(box len_zero::LenZero);
320 reg.register_late_lint_pass(box attrs::AttrPass);
321 reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
322 reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
323 reg.register_late_lint_pass(box unicode::Unicode);
324 reg.register_late_lint_pass(box strings::StringAdd);
325 reg.register_early_lint_pass(box returns::ReturnPass);
326 reg.register_late_lint_pass(box methods::Pass);
327 reg.register_late_lint_pass(box shadow::Pass);
328 reg.register_late_lint_pass(box types::LetPass);
329 reg.register_late_lint_pass(box types::UnitCmp);
330 reg.register_late_lint_pass(box loops::Pass);
331 reg.register_late_lint_pass(box lifetimes::LifetimePass);
332 reg.register_late_lint_pass(box entry::HashMapLint);
333 reg.register_late_lint_pass(box ranges::Pass);
334 reg.register_late_lint_pass(box types::CastPass);
335 reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
336 reg.register_late_lint_pass(box matches::MatchPass);
337 reg.register_late_lint_pass(box minmax::MinMaxPass);
338 reg.register_late_lint_pass(box open_options::NonSensical);
339 reg.register_late_lint_pass(box zero_div_zero::Pass);
340 reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
341 reg.register_late_lint_pass(box needless_update::Pass);
342 reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
343 reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
344 reg.register_late_lint_pass(box no_effect::Pass);
345 reg.register_late_lint_pass(box map_clone::Pass);
346 reg.register_late_lint_pass(box temporary_assignment::Pass);
347 reg.register_late_lint_pass(box transmute::Transmute);
348 reg.register_late_lint_pass(
349 box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
351 reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
352 reg.register_early_lint_pass(box misc_early::MiscEarly);
353 reg.register_late_lint_pass(box array_indexing::ArrayIndexing);
354 reg.register_late_lint_pass(box panic_unimplemented::Pass);
355 reg.register_late_lint_pass(box strings::StringLitAsBytes);
356 reg.register_late_lint_pass(box derive::Derive);
357 reg.register_late_lint_pass(box types::CharLitAsU8);
358 reg.register_late_lint_pass(box write::Pass);
359 reg.register_late_lint_pass(box vec::Pass);
360 reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
361 single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
363 reg.register_late_lint_pass(box drop_forget_ref::Pass);
364 reg.register_late_lint_pass(box empty_enum::EmptyEnum);
365 reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
366 reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
367 reg.register_late_lint_pass(box regex::Pass::default());
368 reg.register_late_lint_pass(box copies::CopyAndPaste);
369 reg.register_late_lint_pass(box format::Pass);
370 reg.register_early_lint_pass(box formatting::Formatting);
371 reg.register_late_lint_pass(box swap::Swap);
372 reg.register_early_lint_pass(box if_not_else::IfNotElse);
373 reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
374 reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
375 reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
376 reg.register_late_lint_pass(box unused_label::UnusedLabel);
377 reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
378 reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
379 reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
380 reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
381 reg.register_late_lint_pass(box neg_multiply::NegMultiply);
382 reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
383 reg.register_late_lint_pass(box mem_forget::MemForget);
384 reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
385 reg.register_late_lint_pass(box assign_ops::AssignOps);
386 reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
387 reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
388 reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
389 reg.register_late_lint_pass(box ok_if_let::Pass);
390 reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
391 reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
392 reg.register_early_lint_pass(box reference::Pass);
393 reg.register_early_lint_pass(box reference::DerefPass);
394 reg.register_early_lint_pass(box double_parens::DoubleParens);
395 reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
396 reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
397 reg.register_late_lint_pass(box explicit_write::Pass);
398 reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
399 reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
400 reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
401 conf.literal_representation_threshold
403 reg.register_late_lint_pass(box use_self::UseSelf);
404 reg.register_late_lint_pass(box bytecount::ByteCount);
405 reg.register_late_lint_pass(box infinite_iter::Pass);
406 reg.register_late_lint_pass(box inline_fn_without_body::Pass);
407 reg.register_late_lint_pass(box invalid_ref::InvalidRef);
408 reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
409 reg.register_late_lint_pass(box types::ImplicitHasher);
410 reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
411 reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
412 reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
413 reg.register_late_lint_pass(box types::UnitArg);
414 reg.register_late_lint_pass(box double_comparison::DoubleComparisonPass);
415 reg.register_late_lint_pass(box question_mark::QuestionMarkPass);
416 reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
417 reg.register_late_lint_pass(box redundant_field_names::RedundantFieldNames);
418 reg.register_early_lint_pass(box multiple_crate_versions::Pass);
419 reg.register_late_lint_pass(box map_unit_fn::Pass);
420 reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
421 reg.register_late_lint_pass(box inherent_impl::Pass::default());
424 reg.register_lint_group("clippy_restriction", vec![
425 arithmetic::FLOAT_ARITHMETIC,
426 arithmetic::INTEGER_ARITHMETIC,
427 array_indexing::INDEXING_SLICING,
428 assign_ops::ASSIGN_OPS,
429 else_if_without_else::ELSE_IF_WITHOUT_ELSE,
430 inherent_impl::MULTIPLE_INHERENT_IMPL,
431 literal_representation::DECIMAL_LITERAL_REPRESENTATION,
432 mem_forget::MEM_FORGET,
433 methods::CLONE_ON_REF_PTR,
434 methods::OPTION_UNWRAP_USED,
435 methods::RESULT_UNWRAP_USED,
436 methods::WRONG_PUB_SELF_CONVENTION,
437 misc::FLOAT_CMP_CONST,
438 missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
439 panic_unimplemented::UNIMPLEMENTED,
440 shadow::SHADOW_REUSE,
442 shadow::SHADOW_UNRELATED,
448 reg.register_lint_group("clippy_pedantic", vec![
449 attrs::INLINE_ALWAYS,
450 copies::MATCH_SAME_ARMS,
451 derive::EXPL_IMPL_CLONE_ON_COPY,
453 empty_enum::EMPTY_ENUM,
454 enum_glob_use::ENUM_GLOB_USE,
455 enum_variants::PUB_ENUM_VARIANT_NAMES,
456 enum_variants::STUTTER,
457 if_not_else::IF_NOT_ELSE,
458 infinite_iter::MAYBE_INFINITE_ITER,
459 items_after_statements::ITEMS_AFTER_STATEMENTS,
460 matches::SINGLE_MATCH_ELSE,
462 methods::OPTION_MAP_UNWRAP_OR,
463 methods::OPTION_MAP_UNWRAP_OR_ELSE,
464 methods::RESULT_MAP_UNWRAP_OR_ELSE,
465 misc::USED_UNDERSCORE_BINDING,
466 misc_early::UNSEPARATED_LITERAL_SUFFIX,
468 needless_continue::NEEDLESS_CONTINUE,
469 non_expressive_names::SIMILAR_NAMES,
470 replace_consts::REPLACE_CONSTS,
471 strings::STRING_ADD_ASSIGN,
472 types::CAST_POSSIBLE_TRUNCATION,
473 types::CAST_POSSIBLE_WRAP,
474 types::CAST_PRECISION_LOSS,
475 types::CAST_SIGN_LOSS,
476 types::INVALID_UPCAST_COMPARISONS,
478 unicode::NON_ASCII_LITERAL,
479 unicode::UNICODE_NOT_NFC,
483 reg.register_lint_group("clippy_internal", vec![
484 utils::internal_lints::CLIPPY_LINTS_INTERNAL,
485 utils::internal_lints::LINT_WITHOUT_LINT_PASS,
488 reg.register_lint_group("clippy", vec![
489 approx_const::APPROX_CONSTANT,
490 array_indexing::OUT_OF_BOUNDS_INDEXING,
491 assign_ops::ASSIGN_OP_PATTERN,
492 assign_ops::MISREFACTORED_ASSIGN_OP,
493 attrs::DEPRECATED_SEMVER,
494 attrs::USELESS_ATTRIBUTE,
495 bit_mask::BAD_BIT_MASK,
496 bit_mask::INEFFECTIVE_BIT_MASK,
497 bit_mask::VERBOSE_BIT_MASK,
498 blacklisted_name::BLACKLISTED_NAME,
499 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
500 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
502 booleans::NONMINIMAL_BOOL,
503 bytecount::NAIVE_BYTECOUNT,
504 collapsible_if::COLLAPSIBLE_IF,
505 const_static_lifetime::CONST_STATIC_LIFETIME,
506 copies::IF_SAME_THEN_ELSE,
507 copies::IFS_SAME_COND,
508 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
509 derive::DERIVE_HASH_XOR_EQ,
510 double_comparison::DOUBLE_COMPARISONS,
511 double_parens::DOUBLE_PARENS,
512 drop_forget_ref::DROP_COPY,
513 drop_forget_ref::DROP_REF,
514 drop_forget_ref::FORGET_COPY,
515 drop_forget_ref::FORGET_REF,
517 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
518 enum_variants::ENUM_VARIANT_NAMES,
519 enum_variants::MODULE_INCEPTION,
522 erasing_op::ERASING_OP,
524 eta_reduction::REDUNDANT_CLOSURE,
525 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
526 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
527 excessive_precision::EXCESSIVE_PRECISION,
528 explicit_write::EXPLICIT_WRITE,
529 format::USELESS_FORMAT,
530 formatting::POSSIBLE_MISSING_COMMA,
531 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
532 formatting::SUSPICIOUS_ELSE_FORMATTING,
533 functions::NOT_UNSAFE_PTR_ARG_DEREF,
534 functions::TOO_MANY_ARGUMENTS,
535 identity_conversion::IDENTITY_CONVERSION,
536 identity_op::IDENTITY_OP,
537 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
538 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
539 infinite_iter::INFINITE_ITER,
540 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
541 int_plus_one::INT_PLUS_ONE,
542 invalid_ref::INVALID_REF,
543 large_enum_variant::LARGE_ENUM_VARIANT,
544 len_zero::LEN_WITHOUT_IS_EMPTY,
546 let_if_seq::USELESS_LET_IF_SEQ,
547 lifetimes::EXTRA_UNUSED_LIFETIMES,
548 lifetimes::NEEDLESS_LIFETIMES,
549 literal_representation::INCONSISTENT_DIGIT_GROUPING,
550 literal_representation::LARGE_DIGIT_GROUPS,
551 literal_representation::UNREADABLE_LITERAL,
553 loops::EXPLICIT_COUNTER_LOOP,
554 loops::EXPLICIT_INTO_ITER_LOOP,
555 loops::EXPLICIT_ITER_LOOP,
557 loops::FOR_LOOP_OVER_OPTION,
558 loops::FOR_LOOP_OVER_RESULT,
559 loops::ITER_NEXT_LOOP,
560 loops::MANUAL_MEMCPY,
561 loops::MUT_RANGE_BOUND,
562 loops::NEEDLESS_RANGE_LOOP,
564 loops::REVERSE_RANGE_LOOP,
565 loops::UNUSED_COLLECT,
566 loops::WHILE_IMMUTABLE_CONDITION,
567 loops::WHILE_LET_LOOP,
568 loops::WHILE_LET_ON_ITERATOR,
569 map_clone::MAP_CLONE,
570 map_unit_fn::OPTION_MAP_UNIT_FN,
571 map_unit_fn::RESULT_MAP_UNIT_FN,
572 matches::MATCH_AS_REF,
574 matches::MATCH_OVERLAPPING_ARM,
575 matches::MATCH_REF_PATS,
576 matches::MATCH_WILD_ERR_ARM,
577 matches::SINGLE_MATCH,
578 methods::CHARS_LAST_CMP,
579 methods::CHARS_NEXT_CMP,
580 methods::CLONE_DOUBLE_REF,
581 methods::CLONE_ON_COPY,
582 methods::FILTER_NEXT,
584 methods::ITER_CLONED_COLLECT,
586 methods::ITER_SKIP_NEXT,
587 methods::NEW_RET_NO_SELF,
589 methods::OPTION_MAP_OR_NONE,
590 methods::OR_FUN_CALL,
591 methods::SEARCH_IS_SOME,
592 methods::SHOULD_IMPLEMENT_TRAIT,
593 methods::SINGLE_CHAR_PATTERN,
594 methods::STRING_EXTEND_CHARS,
595 methods::TEMPORARY_CSTRING_AS_PTR,
596 methods::UNNECESSARY_FOLD,
597 methods::USELESS_ASREF,
598 methods::WRONG_SELF_CONVENTION,
604 misc::REDUNDANT_PATTERN,
605 misc::SHORT_CIRCUIT_STATEMENT,
606 misc::TOPLEVEL_REF_ARG,
608 misc_early::BUILTIN_TYPE_SHADOW,
609 misc_early::DOUBLE_NEG,
610 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
611 misc_early::MIXED_CASE_HEX_LITERALS,
612 misc_early::REDUNDANT_CLOSURE_CALL,
613 misc_early::UNNEEDED_FIELD_PATTERN,
614 misc_early::ZERO_PREFIXED_LITERAL,
615 mut_reference::UNNECESSARY_MUT_PASSED,
616 mutex_atomic::MUTEX_ATOMIC,
617 needless_bool::BOOL_COMPARISON,
618 needless_bool::NEEDLESS_BOOL,
619 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
620 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
621 needless_update::NEEDLESS_UPDATE,
622 neg_multiply::NEG_MULTIPLY,
623 new_without_default::NEW_WITHOUT_DEFAULT,
624 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
625 no_effect::NO_EFFECT,
626 no_effect::UNNECESSARY_OPERATION,
627 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
628 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
629 ok_if_let::IF_LET_SOME_RESULT,
630 open_options::NONSENSICAL_OPEN_OPTIONS,
631 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
632 panic_unimplemented::PANIC_PARAMS,
633 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
634 precedence::PRECEDENCE,
638 question_mark::QUESTION_MARK,
639 ranges::ITERATOR_STEP_BY_ZERO,
640 ranges::RANGE_MINUS_ONE,
641 ranges::RANGE_ZIP_WITH_LEN,
642 redundant_field_names::REDUNDANT_FIELD_NAMES,
643 reference::DEREF_ADDROF,
644 reference::REF_IN_DEREF,
645 regex::INVALID_REGEX,
647 regex::TRIVIAL_REGEX,
648 returns::LET_AND_RETURN,
649 returns::NEEDLESS_RETURN,
650 serde_api::SERDE_API_MISUSE,
651 strings::STRING_LIT_AS_BYTES,
652 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
653 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
654 swap::ALMOST_SWAPPED,
656 temporary_assignment::TEMPORARY_ASSIGNMENT,
657 transmute::CROSSPOINTER_TRANSMUTE,
658 transmute::TRANSMUTE_BYTES_TO_STR,
659 transmute::TRANSMUTE_INT_TO_BOOL,
660 transmute::TRANSMUTE_INT_TO_CHAR,
661 transmute::TRANSMUTE_INT_TO_FLOAT,
662 transmute::TRANSMUTE_PTR_TO_PTR,
663 transmute::TRANSMUTE_PTR_TO_REF,
664 transmute::USELESS_TRANSMUTE,
665 transmute::WRONG_TRANSMUTE,
666 types::ABSURD_EXTREME_COMPARISONS,
669 types::CAST_LOSSLESS,
670 types::CAST_PTR_ALIGNMENT,
671 types::CHAR_LIT_AS_U8,
672 types::IMPLICIT_HASHER,
673 types::LET_UNIT_VALUE,
674 types::OPTION_OPTION,
675 types::TYPE_COMPLEXITY,
678 types::UNNECESSARY_CAST,
679 unicode::ZERO_WIDTH_SPACE,
680 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
681 unused_io_amount::UNUSED_IO_AMOUNT,
682 unused_label::UNUSED_LABEL,
684 write::PRINT_LITERAL,
685 write::PRINT_WITH_NEWLINE,
686 write::PRINTLN_EMPTY_STRING,
687 write::WRITE_LITERAL,
688 write::WRITE_WITH_NEWLINE,
689 write::WRITELN_EMPTY_STRING,
690 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
693 reg.register_lint_group("clippy_style", vec![
694 assign_ops::ASSIGN_OP_PATTERN,
695 bit_mask::VERBOSE_BIT_MASK,
696 blacklisted_name::BLACKLISTED_NAME,
697 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
698 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
699 collapsible_if::COLLAPSIBLE_IF,
700 const_static_lifetime::CONST_STATIC_LIFETIME,
701 enum_variants::ENUM_VARIANT_NAMES,
702 enum_variants::MODULE_INCEPTION,
704 eta_reduction::REDUNDANT_CLOSURE,
705 excessive_precision::EXCESSIVE_PRECISION,
706 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
707 formatting::SUSPICIOUS_ELSE_FORMATTING,
708 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
709 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
710 len_zero::LEN_WITHOUT_IS_EMPTY,
712 let_if_seq::USELESS_LET_IF_SEQ,
713 literal_representation::INCONSISTENT_DIGIT_GROUPING,
714 literal_representation::LARGE_DIGIT_GROUPS,
715 literal_representation::UNREADABLE_LITERAL,
717 loops::EXPLICIT_INTO_ITER_LOOP,
718 loops::EXPLICIT_ITER_LOOP,
720 loops::NEEDLESS_RANGE_LOOP,
721 loops::WHILE_LET_ON_ITERATOR,
722 map_clone::MAP_CLONE,
724 matches::MATCH_OVERLAPPING_ARM,
725 matches::MATCH_REF_PATS,
726 matches::MATCH_WILD_ERR_ARM,
727 matches::SINGLE_MATCH,
728 methods::CHARS_LAST_CMP,
730 methods::ITER_CLONED_COLLECT,
731 methods::ITER_SKIP_NEXT,
732 methods::NEW_RET_NO_SELF,
734 methods::OPTION_MAP_OR_NONE,
735 methods::SHOULD_IMPLEMENT_TRAIT,
736 methods::STRING_EXTEND_CHARS,
737 methods::UNNECESSARY_FOLD,
738 methods::WRONG_SELF_CONVENTION,
739 misc::REDUNDANT_PATTERN,
740 misc::TOPLEVEL_REF_ARG,
742 misc_early::BUILTIN_TYPE_SHADOW,
743 misc_early::DOUBLE_NEG,
744 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
745 misc_early::MIXED_CASE_HEX_LITERALS,
746 misc_early::UNNEEDED_FIELD_PATTERN,
747 mut_reference::UNNECESSARY_MUT_PASSED,
748 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
749 neg_multiply::NEG_MULTIPLY,
750 new_without_default::NEW_WITHOUT_DEFAULT,
751 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
752 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
753 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
754 ok_if_let::IF_LET_SOME_RESULT,
755 panic_unimplemented::PANIC_PARAMS,
758 question_mark::QUESTION_MARK,
759 ranges::RANGE_MINUS_ONE,
760 redundant_field_names::REDUNDANT_FIELD_NAMES,
762 regex::TRIVIAL_REGEX,
763 returns::LET_AND_RETURN,
764 returns::NEEDLESS_RETURN,
765 strings::STRING_LIT_AS_BYTES,
766 types::IMPLICIT_HASHER,
767 types::LET_UNIT_VALUE,
768 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
769 write::PRINT_LITERAL,
770 write::PRINT_WITH_NEWLINE,
771 write::PRINTLN_EMPTY_STRING,
772 write::WRITE_LITERAL,
773 write::WRITE_WITH_NEWLINE,
774 write::WRITELN_EMPTY_STRING,
777 reg.register_lint_group("clippy_complexity", vec![
778 assign_ops::MISREFACTORED_ASSIGN_OP,
779 booleans::NONMINIMAL_BOOL,
780 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
781 double_comparison::DOUBLE_COMPARISONS,
782 double_parens::DOUBLE_PARENS,
783 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
784 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
785 explicit_write::EXPLICIT_WRITE,
786 format::USELESS_FORMAT,
787 functions::TOO_MANY_ARGUMENTS,
788 identity_conversion::IDENTITY_CONVERSION,
789 identity_op::IDENTITY_OP,
790 int_plus_one::INT_PLUS_ONE,
791 lifetimes::EXTRA_UNUSED_LIFETIMES,
792 lifetimes::NEEDLESS_LIFETIMES,
793 loops::EXPLICIT_COUNTER_LOOP,
794 loops::MUT_RANGE_BOUND,
795 loops::WHILE_LET_LOOP,
796 map_unit_fn::OPTION_MAP_UNIT_FN,
797 map_unit_fn::RESULT_MAP_UNIT_FN,
798 matches::MATCH_AS_REF,
799 methods::CHARS_NEXT_CMP,
800 methods::CLONE_ON_COPY,
801 methods::FILTER_NEXT,
802 methods::SEARCH_IS_SOME,
803 methods::USELESS_ASREF,
804 misc::SHORT_CIRCUIT_STATEMENT,
805 misc_early::REDUNDANT_CLOSURE_CALL,
806 misc_early::ZERO_PREFIXED_LITERAL,
807 needless_bool::BOOL_COMPARISON,
808 needless_bool::NEEDLESS_BOOL,
809 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
810 needless_update::NEEDLESS_UPDATE,
811 no_effect::NO_EFFECT,
812 no_effect::UNNECESSARY_OPERATION,
813 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
814 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
815 precedence::PRECEDENCE,
816 ranges::RANGE_ZIP_WITH_LEN,
817 reference::DEREF_ADDROF,
818 reference::REF_IN_DEREF,
820 temporary_assignment::TEMPORARY_ASSIGNMENT,
821 transmute::CROSSPOINTER_TRANSMUTE,
822 transmute::TRANSMUTE_BYTES_TO_STR,
823 transmute::TRANSMUTE_INT_TO_BOOL,
824 transmute::TRANSMUTE_INT_TO_CHAR,
825 transmute::TRANSMUTE_INT_TO_FLOAT,
826 transmute::TRANSMUTE_PTR_TO_PTR,
827 transmute::TRANSMUTE_PTR_TO_REF,
828 transmute::USELESS_TRANSMUTE,
830 types::CAST_LOSSLESS,
831 types::CHAR_LIT_AS_U8,
832 types::OPTION_OPTION,
833 types::TYPE_COMPLEXITY,
835 types::UNNECESSARY_CAST,
836 unused_label::UNUSED_LABEL,
837 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
840 reg.register_lint_group("clippy_correctness", vec![
841 approx_const::APPROX_CONSTANT,
842 array_indexing::OUT_OF_BOUNDS_INDEXING,
843 attrs::DEPRECATED_SEMVER,
844 attrs::USELESS_ATTRIBUTE,
845 bit_mask::BAD_BIT_MASK,
846 bit_mask::INEFFECTIVE_BIT_MASK,
848 copies::IF_SAME_THEN_ELSE,
849 copies::IFS_SAME_COND,
850 derive::DERIVE_HASH_XOR_EQ,
851 drop_forget_ref::DROP_COPY,
852 drop_forget_ref::DROP_REF,
853 drop_forget_ref::FORGET_COPY,
854 drop_forget_ref::FORGET_REF,
855 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
857 erasing_op::ERASING_OP,
858 formatting::POSSIBLE_MISSING_COMMA,
859 functions::NOT_UNSAFE_PTR_ARG_DEREF,
860 infinite_iter::INFINITE_ITER,
861 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
862 invalid_ref::INVALID_REF,
863 loops::FOR_LOOP_OVER_OPTION,
864 loops::FOR_LOOP_OVER_RESULT,
865 loops::ITER_NEXT_LOOP,
867 loops::REVERSE_RANGE_LOOP,
868 loops::WHILE_IMMUTABLE_CONDITION,
869 methods::CLONE_DOUBLE_REF,
870 methods::TEMPORARY_CSTRING_AS_PTR,
875 open_options::NONSENSICAL_OPEN_OPTIONS,
877 ranges::ITERATOR_STEP_BY_ZERO,
878 regex::INVALID_REGEX,
879 serde_api::SERDE_API_MISUSE,
880 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
881 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
882 swap::ALMOST_SWAPPED,
883 transmute::WRONG_TRANSMUTE,
884 types::ABSURD_EXTREME_COMPARISONS,
885 types::CAST_PTR_ALIGNMENT,
887 unicode::ZERO_WIDTH_SPACE,
888 unused_io_amount::UNUSED_IO_AMOUNT,
891 reg.register_lint_group("clippy_perf", vec![
892 bytecount::NAIVE_BYTECOUNT,
895 large_enum_variant::LARGE_ENUM_VARIANT,
896 loops::MANUAL_MEMCPY,
897 loops::UNUSED_COLLECT,
899 methods::OR_FUN_CALL,
900 methods::SINGLE_CHAR_PATTERN,
902 mutex_atomic::MUTEX_ATOMIC,
907 reg.register_lint_group("clippy_cargo", vec![
908 multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
911 reg.register_lint_group("clippy_nursery", vec![
912 attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
913 fallible_impl_from::FALLIBLE_IMPL_FROM,
914 mutex_atomic::MUTEX_INTEGER,
915 needless_borrow::NEEDLESS_BORROW,
916 ranges::RANGE_PLUS_ONE,
920 // only exists to let the dogfood integration test works.
921 // Don't run clippy as an executable directly
922 #[allow(dead_code, print_stdout)]
924 panic!("Please use the cargo-clippy executable");