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)]
15 extern crate cargo_metadata;
18 extern crate rustc_typeck;
19 extern crate rustc_target;
21 extern crate syntax_pos;
25 // for unicode nfc normalization
27 extern crate unicode_normalization;
29 // for semver check in attrs.rs
35 extern crate regex_syntax;
37 // for finding minimal boolean expressions
39 extern crate quine_mc_cluskey;
41 extern crate rustc_errors;
42 extern crate rustc_plugin;
45 extern crate matches as matches_macro;
49 extern crate serde_derive;
52 extern crate lazy_static;
54 extern crate itertools;
55 extern crate pulldown_cmark;
59 extern crate if_chain;
61 macro_rules! declare_clippy_lint {
62 { pub $name:tt, style, $description:tt } => {
63 declare_lint! { pub $name, Warn, $description }
65 { pub $name:tt, correctness, $description:tt } => {
66 declare_lint! { pub $name, Deny, $description }
68 { pub $name:tt, complexity, $description:tt } => {
69 declare_lint! { pub $name, Warn, $description }
71 { pub $name:tt, perf, $description:tt } => {
72 declare_lint! { pub $name, Warn, $description }
74 { pub $name:tt, pedantic, $description:tt } => {
75 declare_lint! { pub $name, Allow, $description }
77 { pub $name:tt, restriction, $description:tt } => {
78 declare_lint! { pub $name, Allow, $description }
80 { pub $name:tt, cargo, $description:tt } => {
81 declare_lint! { pub $name, Allow, $description }
83 { pub $name:tt, nursery, $description:tt } => {
84 declare_lint! { pub $name, Allow, $description }
86 { pub $name:tt, internal, $description:tt } => {
87 declare_lint! { pub $name, Allow, $description }
89 { pub $name:tt, internal_warn, $description:tt } => {
90 declare_lint! { pub $name, Warn, $description }
98 // begin lints modules, do not remove this comment, it’s used in `update_lints`
101 pub mod array_indexing;
105 pub mod blacklisted_name;
106 pub mod block_in_if_condition;
109 pub mod collapsible_if;
110 pub mod const_static_lifetime;
112 pub mod cyclomatic_complexity;
115 pub mod double_comparison;
116 pub mod double_parens;
117 pub mod drop_forget_ref;
118 pub mod else_if_without_else;
122 pub mod enum_glob_use;
123 pub mod enum_variants;
127 pub mod eta_reduction;
128 pub mod eval_order_dependence;
129 pub mod excessive_precision;
130 pub mod explicit_write;
131 pub mod fallible_impl_from;
135 pub mod identity_conversion;
137 pub mod if_let_redundant_pattern_matching;
139 pub mod infallible_destructuring_match;
140 pub mod infinite_iter;
141 pub mod inline_fn_without_body;
142 pub mod int_plus_one;
144 pub mod items_after_statements;
145 pub mod large_enum_variant;
149 pub mod literal_representation;
160 pub mod multiple_crate_versions;
162 pub mod mut_reference;
163 pub mod mutex_atomic;
164 pub mod needless_bool;
165 pub mod needless_borrow;
166 pub mod needless_borrowed_ref;
167 pub mod needless_continue;
168 pub mod needless_pass_by_value;
169 pub mod needless_update;
170 pub mod neg_multiply;
171 pub mod new_without_default;
173 pub mod non_expressive_names;
175 pub mod open_options;
176 pub mod overflow_check_conditional;
177 pub mod panic_unimplemented;
178 pub mod partialeq_ne_impl;
181 pub mod question_mark;
183 pub mod redundant_field_names;
186 pub mod replace_consts;
191 pub mod suspicious_trait_impl;
193 pub mod temporary_assignment;
197 pub mod unsafe_removed_from_name;
198 pub mod unused_io_amount;
199 pub mod unused_label;
203 pub mod zero_div_zero;
204 // end lints modules, do not remove this comment, it’s used in `update_lints`
207 pub use syntax::ast::{Name, NodeId};
210 #[cfg_attr(rustfmt, rustfmt_skip)]
211 pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
212 let conf = match utils::conf::file_from_args(reg.args()) {
214 // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
215 // do not require the file to exist
216 let file_name = if let Some(file_name) = file_name {
219 match utils::conf::lookup_conf_file() {
222 reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
228 let file_name = file_name.map(|file_name| if file_name.is_relative() {
230 .local_crate_source_file
232 .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
239 let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
241 // all conf errors are non-fatal, we just use the default conf in case of error
242 for error in errors {
243 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();
248 Err((err, span)) => {
249 reg.sess.struct_span_err(span, err)
250 .span_note(span, "Clippy will use default configuration")
252 toml::from_str("").expect("we never error on empty config files")
256 let mut store = reg.sess.lint_store.borrow_mut();
257 store.register_removed(
259 "`assert!()` will be more flexible with RFC 2011",
261 store.register_removed(
263 "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
265 store.register_removed(
266 "range_step_by_zero",
267 "`iterator.step_by(0)` panics nowadays",
269 store.register_removed(
271 "`Vec::as_slice` has been stabilized in 1.7",
273 store.register_removed(
274 "unstable_as_mut_slice",
275 "`Vec::as_mut_slice` has been stabilized in 1.7",
277 store.register_removed(
279 "using `str::to_string` is common even today and specialization will likely happen soon",
281 store.register_removed(
283 "using `string::to_string` is common even today and specialization will likely happen soon",
285 store.register_removed(
286 "misaligned_transmute",
287 "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
289 // end deprecated lints, do not remove this comment, it’s used in `update_lints`
291 reg.register_late_lint_pass(box serde_api::Serde);
292 reg.register_early_lint_pass(box utils::internal_lints::Clippy);
293 reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
294 reg.register_late_lint_pass(box utils::inspector::Pass);
295 reg.register_late_lint_pass(box utils::author::Pass);
296 reg.register_late_lint_pass(box types::TypePass);
297 reg.register_late_lint_pass(box booleans::NonminimalBool);
298 reg.register_late_lint_pass(box eq_op::EqOp);
299 reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
300 reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
301 reg.register_late_lint_pass(box enum_clike::UnportableVariant);
302 reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
303 reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
304 reg.register_late_lint_pass(box ptr::PointerPass);
305 reg.register_late_lint_pass(box needless_bool::NeedlessBool);
306 reg.register_late_lint_pass(box needless_bool::BoolComparison);
307 reg.register_late_lint_pass(box approx_const::Pass);
308 reg.register_late_lint_pass(box misc::Pass);
309 reg.register_early_lint_pass(box precedence::Precedence);
310 reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
311 reg.register_late_lint_pass(box eta_reduction::EtaPass);
312 reg.register_late_lint_pass(box identity_op::IdentityOp);
313 reg.register_late_lint_pass(box erasing_op::ErasingOp);
314 reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
315 reg.register_late_lint_pass(box mut_mut::MutMut);
316 reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
317 reg.register_late_lint_pass(box len_zero::LenZero);
318 reg.register_late_lint_pass(box attrs::AttrPass);
319 reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
320 reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
321 reg.register_late_lint_pass(box unicode::Unicode);
322 reg.register_late_lint_pass(box strings::StringAdd);
323 reg.register_early_lint_pass(box returns::ReturnPass);
324 reg.register_late_lint_pass(box methods::Pass);
325 reg.register_late_lint_pass(box shadow::Pass);
326 reg.register_late_lint_pass(box types::LetPass);
327 reg.register_late_lint_pass(box types::UnitCmp);
328 reg.register_late_lint_pass(box loops::Pass);
329 reg.register_late_lint_pass(box lifetimes::LifetimePass);
330 reg.register_late_lint_pass(box entry::HashMapLint);
331 reg.register_late_lint_pass(box ranges::Pass);
332 reg.register_late_lint_pass(box types::CastPass);
333 reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
334 reg.register_late_lint_pass(box matches::MatchPass);
335 reg.register_late_lint_pass(box minmax::MinMaxPass);
336 reg.register_late_lint_pass(box open_options::NonSensical);
337 reg.register_late_lint_pass(box zero_div_zero::Pass);
338 reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
339 reg.register_late_lint_pass(box needless_update::Pass);
340 reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
341 reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
342 reg.register_late_lint_pass(box no_effect::Pass);
343 reg.register_late_lint_pass(box map_clone::Pass);
344 reg.register_late_lint_pass(box temporary_assignment::Pass);
345 reg.register_late_lint_pass(box transmute::Transmute);
346 reg.register_late_lint_pass(
347 box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
349 reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
350 reg.register_early_lint_pass(box misc_early::MiscEarly);
351 reg.register_late_lint_pass(box array_indexing::ArrayIndexing);
352 reg.register_late_lint_pass(box panic_unimplemented::Pass);
353 reg.register_late_lint_pass(box strings::StringLitAsBytes);
354 reg.register_late_lint_pass(box derive::Derive);
355 reg.register_late_lint_pass(box types::CharLitAsU8);
356 reg.register_late_lint_pass(box write::Pass);
357 reg.register_late_lint_pass(box vec::Pass);
358 reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
359 single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
361 reg.register_late_lint_pass(box drop_forget_ref::Pass);
362 reg.register_late_lint_pass(box empty_enum::EmptyEnum);
363 reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
364 reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
365 reg.register_late_lint_pass(box regex::Pass::default());
366 reg.register_late_lint_pass(box copies::CopyAndPaste);
367 reg.register_late_lint_pass(box format::Pass);
368 reg.register_early_lint_pass(box formatting::Formatting);
369 reg.register_late_lint_pass(box swap::Swap);
370 reg.register_early_lint_pass(box if_not_else::IfNotElse);
371 reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
372 reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
373 reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
374 reg.register_late_lint_pass(box unused_label::UnusedLabel);
375 reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
376 reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
377 reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
378 reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
379 reg.register_late_lint_pass(box neg_multiply::NegMultiply);
380 reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
381 reg.register_late_lint_pass(box mem_forget::MemForget);
382 reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
383 reg.register_late_lint_pass(box assign_ops::AssignOps);
384 reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
385 reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
386 reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
387 reg.register_late_lint_pass(box ok_if_let::Pass);
388 reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
389 reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
390 reg.register_early_lint_pass(box reference::Pass);
391 reg.register_early_lint_pass(box double_parens::DoubleParens);
392 reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
393 reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
394 reg.register_late_lint_pass(box explicit_write::Pass);
395 reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
396 reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
397 reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
398 conf.literal_representation_threshold
400 reg.register_late_lint_pass(box use_self::UseSelf);
401 reg.register_late_lint_pass(box bytecount::ByteCount);
402 reg.register_late_lint_pass(box infinite_iter::Pass);
403 reg.register_late_lint_pass(box inline_fn_without_body::Pass);
404 reg.register_late_lint_pass(box invalid_ref::InvalidRef);
405 reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
406 reg.register_late_lint_pass(box types::ImplicitHasher);
407 reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
408 reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
409 reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
410 reg.register_late_lint_pass(box types::UnitArg);
411 reg.register_late_lint_pass(box double_comparison::DoubleComparisonPass);
412 reg.register_late_lint_pass(box question_mark::QuestionMarkPass);
413 reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
414 reg.register_late_lint_pass(box redundant_field_names::RedundantFieldNames);
415 reg.register_early_lint_pass(box multiple_crate_versions::Pass);
416 reg.register_late_lint_pass(box map_unit_fn::Pass);
417 reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
420 reg.register_lint_group("clippy_restriction", vec![
421 arithmetic::FLOAT_ARITHMETIC,
422 arithmetic::INTEGER_ARITHMETIC,
423 array_indexing::INDEXING_SLICING,
424 assign_ops::ASSIGN_OPS,
425 else_if_without_else::ELSE_IF_WITHOUT_ELSE,
426 literal_representation::DECIMAL_LITERAL_REPRESENTATION,
427 mem_forget::MEM_FORGET,
428 methods::CLONE_ON_REF_PTR,
429 methods::OPTION_UNWRAP_USED,
430 methods::RESULT_UNWRAP_USED,
431 methods::WRONG_PUB_SELF_CONVENTION,
432 misc::FLOAT_CMP_CONST,
433 missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
434 panic_unimplemented::UNIMPLEMENTED,
435 shadow::SHADOW_REUSE,
437 shadow::SHADOW_UNRELATED,
443 reg.register_lint_group("clippy_pedantic", vec![
444 attrs::INLINE_ALWAYS,
445 copies::MATCH_SAME_ARMS,
446 derive::EXPL_IMPL_CLONE_ON_COPY,
448 empty_enum::EMPTY_ENUM,
449 enum_glob_use::ENUM_GLOB_USE,
450 enum_variants::PUB_ENUM_VARIANT_NAMES,
451 enum_variants::STUTTER,
452 if_not_else::IF_NOT_ELSE,
453 infinite_iter::MAYBE_INFINITE_ITER,
454 items_after_statements::ITEMS_AFTER_STATEMENTS,
455 matches::SINGLE_MATCH_ELSE,
457 methods::OPTION_MAP_UNWRAP_OR,
458 methods::OPTION_MAP_UNWRAP_OR_ELSE,
459 methods::RESULT_MAP_UNWRAP_OR_ELSE,
460 misc::USED_UNDERSCORE_BINDING,
461 misc_early::UNSEPARATED_LITERAL_SUFFIX,
463 needless_continue::NEEDLESS_CONTINUE,
464 non_expressive_names::SIMILAR_NAMES,
465 replace_consts::REPLACE_CONSTS,
466 strings::STRING_ADD_ASSIGN,
467 types::CAST_POSSIBLE_TRUNCATION,
468 types::CAST_POSSIBLE_WRAP,
469 types::CAST_PRECISION_LOSS,
470 types::CAST_SIGN_LOSS,
471 types::INVALID_UPCAST_COMPARISONS,
473 unicode::NON_ASCII_LITERAL,
474 unicode::UNICODE_NOT_NFC,
478 reg.register_lint_group("clippy_internal", vec![
479 utils::internal_lints::CLIPPY_LINTS_INTERNAL,
480 utils::internal_lints::LINT_WITHOUT_LINT_PASS,
483 reg.register_lint_group("clippy", vec![
484 approx_const::APPROX_CONSTANT,
485 array_indexing::OUT_OF_BOUNDS_INDEXING,
486 assign_ops::ASSIGN_OP_PATTERN,
487 assign_ops::MISREFACTORED_ASSIGN_OP,
488 attrs::DEPRECATED_SEMVER,
489 attrs::USELESS_ATTRIBUTE,
490 bit_mask::BAD_BIT_MASK,
491 bit_mask::INEFFECTIVE_BIT_MASK,
492 bit_mask::VERBOSE_BIT_MASK,
493 blacklisted_name::BLACKLISTED_NAME,
494 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
495 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
497 booleans::NONMINIMAL_BOOL,
498 bytecount::NAIVE_BYTECOUNT,
499 collapsible_if::COLLAPSIBLE_IF,
500 const_static_lifetime::CONST_STATIC_LIFETIME,
501 copies::IF_SAME_THEN_ELSE,
502 copies::IFS_SAME_COND,
503 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
504 derive::DERIVE_HASH_XOR_EQ,
505 double_comparison::DOUBLE_COMPARISONS,
506 double_parens::DOUBLE_PARENS,
507 drop_forget_ref::DROP_COPY,
508 drop_forget_ref::DROP_REF,
509 drop_forget_ref::FORGET_COPY,
510 drop_forget_ref::FORGET_REF,
512 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
513 enum_variants::ENUM_VARIANT_NAMES,
514 enum_variants::MODULE_INCEPTION,
517 erasing_op::ERASING_OP,
519 eta_reduction::REDUNDANT_CLOSURE,
520 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
521 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
522 excessive_precision::EXCESSIVE_PRECISION,
523 explicit_write::EXPLICIT_WRITE,
524 format::USELESS_FORMAT,
525 formatting::POSSIBLE_MISSING_COMMA,
526 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
527 formatting::SUSPICIOUS_ELSE_FORMATTING,
528 functions::NOT_UNSAFE_PTR_ARG_DEREF,
529 functions::TOO_MANY_ARGUMENTS,
530 identity_conversion::IDENTITY_CONVERSION,
531 identity_op::IDENTITY_OP,
532 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
533 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
534 infinite_iter::INFINITE_ITER,
535 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
536 int_plus_one::INT_PLUS_ONE,
537 invalid_ref::INVALID_REF,
538 large_enum_variant::LARGE_ENUM_VARIANT,
539 len_zero::LEN_WITHOUT_IS_EMPTY,
541 let_if_seq::USELESS_LET_IF_SEQ,
542 lifetimes::NEEDLESS_LIFETIMES,
543 lifetimes::EXTRA_UNUSED_LIFETIMES,
544 literal_representation::INCONSISTENT_DIGIT_GROUPING,
545 literal_representation::LARGE_DIGIT_GROUPS,
546 literal_representation::UNREADABLE_LITERAL,
548 loops::EXPLICIT_COUNTER_LOOP,
549 loops::EXPLICIT_INTO_ITER_LOOP,
550 loops::EXPLICIT_ITER_LOOP,
552 loops::FOR_LOOP_OVER_OPTION,
553 loops::FOR_LOOP_OVER_RESULT,
554 loops::ITER_NEXT_LOOP,
555 loops::MANUAL_MEMCPY,
556 loops::MUT_RANGE_BOUND,
557 loops::NEEDLESS_RANGE_LOOP,
559 loops::REVERSE_RANGE_LOOP,
560 loops::UNUSED_COLLECT,
561 loops::WHILE_IMMUTABLE_CONDITION,
562 loops::WHILE_LET_LOOP,
563 loops::WHILE_LET_ON_ITERATOR,
564 map_clone::MAP_CLONE,
565 map_unit_fn::OPTION_MAP_UNIT_FN,
566 map_unit_fn::RESULT_MAP_UNIT_FN,
567 matches::MATCH_AS_REF,
569 matches::MATCH_OVERLAPPING_ARM,
570 matches::MATCH_REF_PATS,
571 matches::MATCH_WILD_ERR_ARM,
572 matches::SINGLE_MATCH,
573 methods::CHARS_LAST_CMP,
574 methods::CHARS_NEXT_CMP,
575 methods::CLONE_DOUBLE_REF,
576 methods::CLONE_ON_COPY,
577 methods::FILTER_NEXT,
579 methods::ITER_CLONED_COLLECT,
581 methods::ITER_SKIP_NEXT,
582 methods::NEW_RET_NO_SELF,
584 methods::OPTION_MAP_OR_NONE,
585 methods::OR_FUN_CALL,
586 methods::SEARCH_IS_SOME,
587 methods::SHOULD_IMPLEMENT_TRAIT,
588 methods::SINGLE_CHAR_PATTERN,
589 methods::STRING_EXTEND_CHARS,
590 methods::TEMPORARY_CSTRING_AS_PTR,
591 methods::UNNECESSARY_FOLD,
592 methods::USELESS_ASREF,
593 methods::WRONG_SELF_CONVENTION,
599 misc::REDUNDANT_PATTERN,
600 misc::SHORT_CIRCUIT_STATEMENT,
601 misc::TOPLEVEL_REF_ARG,
603 misc_early::BUILTIN_TYPE_SHADOW,
604 misc_early::DOUBLE_NEG,
605 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
606 misc_early::MIXED_CASE_HEX_LITERALS,
607 misc_early::REDUNDANT_CLOSURE_CALL,
608 misc_early::UNNEEDED_FIELD_PATTERN,
609 misc_early::ZERO_PREFIXED_LITERAL,
610 mut_reference::UNNECESSARY_MUT_PASSED,
611 mutex_atomic::MUTEX_ATOMIC,
612 needless_bool::BOOL_COMPARISON,
613 needless_bool::NEEDLESS_BOOL,
614 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
615 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
616 needless_update::NEEDLESS_UPDATE,
617 neg_multiply::NEG_MULTIPLY,
618 new_without_default::NEW_WITHOUT_DEFAULT,
619 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
620 no_effect::NO_EFFECT,
621 no_effect::UNNECESSARY_OPERATION,
622 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
623 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
624 ok_if_let::IF_LET_SOME_RESULT,
625 open_options::NONSENSICAL_OPEN_OPTIONS,
626 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
627 panic_unimplemented::PANIC_PARAMS,
628 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
629 precedence::PRECEDENCE,
633 question_mark::QUESTION_MARK,
634 ranges::ITERATOR_STEP_BY_ZERO,
635 ranges::RANGE_MINUS_ONE,
636 ranges::RANGE_ZIP_WITH_LEN,
637 redundant_field_names::REDUNDANT_FIELD_NAMES,
638 reference::DEREF_ADDROF,
639 regex::INVALID_REGEX,
641 regex::TRIVIAL_REGEX,
642 returns::LET_AND_RETURN,
643 returns::NEEDLESS_RETURN,
644 serde_api::SERDE_API_MISUSE,
645 strings::STRING_LIT_AS_BYTES,
646 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
647 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
648 swap::ALMOST_SWAPPED,
650 temporary_assignment::TEMPORARY_ASSIGNMENT,
651 transmute::CROSSPOINTER_TRANSMUTE,
652 transmute::TRANSMUTE_BYTES_TO_STR,
653 transmute::TRANSMUTE_INT_TO_BOOL,
654 transmute::TRANSMUTE_INT_TO_CHAR,
655 transmute::TRANSMUTE_INT_TO_FLOAT,
656 transmute::TRANSMUTE_PTR_TO_PTR,
657 transmute::TRANSMUTE_PTR_TO_REF,
658 transmute::USELESS_TRANSMUTE,
659 transmute::WRONG_TRANSMUTE,
660 types::ABSURD_EXTREME_COMPARISONS,
663 types::CAST_LOSSLESS,
664 types::CAST_PTR_ALIGNMENT,
665 types::CHAR_LIT_AS_U8,
666 types::IMPLICIT_HASHER,
667 types::LET_UNIT_VALUE,
668 types::OPTION_OPTION,
669 types::TYPE_COMPLEXITY,
672 types::UNNECESSARY_CAST,
673 unicode::ZERO_WIDTH_SPACE,
674 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
675 unused_io_amount::UNUSED_IO_AMOUNT,
676 unused_label::UNUSED_LABEL,
678 write::PRINT_LITERAL,
679 write::PRINT_WITH_NEWLINE,
680 write::PRINTLN_EMPTY_STRING,
681 write::WRITE_LITERAL,
682 write::WRITE_WITH_NEWLINE,
683 write::WRITELN_EMPTY_STRING,
684 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
687 reg.register_lint_group("clippy_style", vec![
688 assign_ops::ASSIGN_OP_PATTERN,
689 bit_mask::VERBOSE_BIT_MASK,
690 blacklisted_name::BLACKLISTED_NAME,
691 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
692 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
693 collapsible_if::COLLAPSIBLE_IF,
694 const_static_lifetime::CONST_STATIC_LIFETIME,
695 enum_variants::ENUM_VARIANT_NAMES,
696 enum_variants::MODULE_INCEPTION,
698 eta_reduction::REDUNDANT_CLOSURE,
699 excessive_precision::EXCESSIVE_PRECISION,
700 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
701 formatting::SUSPICIOUS_ELSE_FORMATTING,
702 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
703 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
704 len_zero::LEN_WITHOUT_IS_EMPTY,
706 let_if_seq::USELESS_LET_IF_SEQ,
707 literal_representation::INCONSISTENT_DIGIT_GROUPING,
708 literal_representation::LARGE_DIGIT_GROUPS,
709 literal_representation::UNREADABLE_LITERAL,
711 loops::EXPLICIT_INTO_ITER_LOOP,
712 loops::EXPLICIT_ITER_LOOP,
714 loops::NEEDLESS_RANGE_LOOP,
715 loops::WHILE_LET_ON_ITERATOR,
716 map_clone::MAP_CLONE,
718 matches::MATCH_OVERLAPPING_ARM,
719 matches::MATCH_REF_PATS,
720 matches::MATCH_WILD_ERR_ARM,
721 matches::SINGLE_MATCH,
722 methods::CHARS_LAST_CMP,
724 methods::ITER_CLONED_COLLECT,
725 methods::ITER_SKIP_NEXT,
726 methods::NEW_RET_NO_SELF,
728 methods::OPTION_MAP_OR_NONE,
729 methods::SHOULD_IMPLEMENT_TRAIT,
730 methods::STRING_EXTEND_CHARS,
731 methods::UNNECESSARY_FOLD,
732 methods::WRONG_SELF_CONVENTION,
733 misc::REDUNDANT_PATTERN,
734 misc::TOPLEVEL_REF_ARG,
736 misc_early::BUILTIN_TYPE_SHADOW,
737 misc_early::DOUBLE_NEG,
738 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
739 misc_early::MIXED_CASE_HEX_LITERALS,
740 misc_early::UNNEEDED_FIELD_PATTERN,
741 mut_reference::UNNECESSARY_MUT_PASSED,
742 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
743 neg_multiply::NEG_MULTIPLY,
744 new_without_default::NEW_WITHOUT_DEFAULT,
745 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
746 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
747 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
748 ok_if_let::IF_LET_SOME_RESULT,
749 panic_unimplemented::PANIC_PARAMS,
752 question_mark::QUESTION_MARK,
753 ranges::RANGE_MINUS_ONE,
754 redundant_field_names::REDUNDANT_FIELD_NAMES,
756 regex::TRIVIAL_REGEX,
757 returns::LET_AND_RETURN,
758 returns::NEEDLESS_RETURN,
759 strings::STRING_LIT_AS_BYTES,
760 types::IMPLICIT_HASHER,
761 types::LET_UNIT_VALUE,
762 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
763 write::PRINT_LITERAL,
764 write::PRINT_WITH_NEWLINE,
765 write::PRINTLN_EMPTY_STRING,
766 write::WRITE_LITERAL,
767 write::WRITE_WITH_NEWLINE,
768 write::WRITELN_EMPTY_STRING,
771 reg.register_lint_group("clippy_complexity", vec![
772 assign_ops::MISREFACTORED_ASSIGN_OP,
773 booleans::NONMINIMAL_BOOL,
774 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
775 double_comparison::DOUBLE_COMPARISONS,
776 double_parens::DOUBLE_PARENS,
777 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
778 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
779 explicit_write::EXPLICIT_WRITE,
780 format::USELESS_FORMAT,
781 functions::TOO_MANY_ARGUMENTS,
782 identity_conversion::IDENTITY_CONVERSION,
783 identity_op::IDENTITY_OP,
784 int_plus_one::INT_PLUS_ONE,
785 lifetimes::NEEDLESS_LIFETIMES,
786 lifetimes::EXTRA_UNUSED_LIFETIMES,
787 loops::EXPLICIT_COUNTER_LOOP,
788 loops::MUT_RANGE_BOUND,
789 loops::WHILE_LET_LOOP,
790 map_unit_fn::OPTION_MAP_UNIT_FN,
791 map_unit_fn::RESULT_MAP_UNIT_FN,
792 matches::MATCH_AS_REF,
793 methods::CHARS_NEXT_CMP,
794 methods::CLONE_ON_COPY,
795 methods::FILTER_NEXT,
796 methods::SEARCH_IS_SOME,
797 methods::USELESS_ASREF,
798 misc::SHORT_CIRCUIT_STATEMENT,
799 misc_early::REDUNDANT_CLOSURE_CALL,
800 misc_early::ZERO_PREFIXED_LITERAL,
801 needless_bool::BOOL_COMPARISON,
802 needless_bool::NEEDLESS_BOOL,
803 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
804 needless_update::NEEDLESS_UPDATE,
805 no_effect::NO_EFFECT,
806 no_effect::UNNECESSARY_OPERATION,
807 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
808 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
809 precedence::PRECEDENCE,
810 ranges::RANGE_ZIP_WITH_LEN,
811 reference::DEREF_ADDROF,
813 temporary_assignment::TEMPORARY_ASSIGNMENT,
814 transmute::CROSSPOINTER_TRANSMUTE,
815 transmute::TRANSMUTE_BYTES_TO_STR,
816 transmute::TRANSMUTE_INT_TO_BOOL,
817 transmute::TRANSMUTE_INT_TO_CHAR,
818 transmute::TRANSMUTE_INT_TO_FLOAT,
819 transmute::TRANSMUTE_PTR_TO_PTR,
820 transmute::TRANSMUTE_PTR_TO_REF,
821 transmute::USELESS_TRANSMUTE,
823 types::CAST_LOSSLESS,
824 types::CHAR_LIT_AS_U8,
825 types::OPTION_OPTION,
826 types::TYPE_COMPLEXITY,
828 types::UNNECESSARY_CAST,
829 unused_label::UNUSED_LABEL,
830 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
833 reg.register_lint_group("clippy_correctness", vec![
834 approx_const::APPROX_CONSTANT,
835 array_indexing::OUT_OF_BOUNDS_INDEXING,
836 attrs::DEPRECATED_SEMVER,
837 attrs::USELESS_ATTRIBUTE,
838 bit_mask::BAD_BIT_MASK,
839 bit_mask::INEFFECTIVE_BIT_MASK,
841 copies::IF_SAME_THEN_ELSE,
842 copies::IFS_SAME_COND,
843 derive::DERIVE_HASH_XOR_EQ,
844 drop_forget_ref::DROP_COPY,
845 drop_forget_ref::DROP_REF,
846 drop_forget_ref::FORGET_COPY,
847 drop_forget_ref::FORGET_REF,
848 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
850 erasing_op::ERASING_OP,
851 formatting::POSSIBLE_MISSING_COMMA,
852 functions::NOT_UNSAFE_PTR_ARG_DEREF,
853 infinite_iter::INFINITE_ITER,
854 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
855 invalid_ref::INVALID_REF,
856 loops::FOR_LOOP_OVER_OPTION,
857 loops::FOR_LOOP_OVER_RESULT,
858 loops::ITER_NEXT_LOOP,
860 loops::REVERSE_RANGE_LOOP,
861 loops::WHILE_IMMUTABLE_CONDITION,
862 methods::CLONE_DOUBLE_REF,
863 methods::TEMPORARY_CSTRING_AS_PTR,
868 open_options::NONSENSICAL_OPEN_OPTIONS,
870 ranges::ITERATOR_STEP_BY_ZERO,
871 regex::INVALID_REGEX,
872 serde_api::SERDE_API_MISUSE,
873 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
874 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
875 swap::ALMOST_SWAPPED,
876 transmute::WRONG_TRANSMUTE,
877 types::ABSURD_EXTREME_COMPARISONS,
878 types::CAST_PTR_ALIGNMENT,
880 unicode::ZERO_WIDTH_SPACE,
881 unused_io_amount::UNUSED_IO_AMOUNT,
884 reg.register_lint_group("clippy_perf", vec![
885 bytecount::NAIVE_BYTECOUNT,
888 large_enum_variant::LARGE_ENUM_VARIANT,
889 loops::MANUAL_MEMCPY,
890 loops::UNUSED_COLLECT,
892 methods::OR_FUN_CALL,
893 methods::SINGLE_CHAR_PATTERN,
895 mutex_atomic::MUTEX_ATOMIC,
900 reg.register_lint_group("clippy_cargo", vec![
901 multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
904 reg.register_lint_group("clippy_nursery", vec![
905 attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
906 fallible_impl_from::FALLIBLE_IMPL_FROM,
907 mutex_atomic::MUTEX_INTEGER,
908 needless_borrow::NEEDLESS_BORROW,
909 ranges::RANGE_PLUS_ONE,
913 // only exists to let the dogfood integration test works.
914 // Don't run clippy as an executable directly
915 #[allow(dead_code, print_stdout)]
917 panic!("Please use the cargo-clippy executable");