1 // error-pattern:cargo-clippy
3 #![feature(box_syntax)]
4 #![feature(custom_attribute)]
5 #![feature(rustc_private)]
6 #![feature(slice_patterns)]
7 #![feature(stmt_expr_attributes)]
8 #![feature(conservative_impl_trait)]
9 #![feature(range_contains)]
10 #![feature(macro_vis_matcher)]
11 #![allow(unknown_lints, indexing_slicing, shadow_reuse, missing_docs_in_private_items)]
12 #![recursion_limit = "256"]
13 // FIXME(mark-i-m) remove after i128 stablization merges
14 #![allow(stable_features)]
15 #![feature(i128, i128_type)]
16 #![feature(iterator_find_map)]
21 extern crate rustc_typeck;
23 extern crate syntax_pos;
27 // for unicode nfc normalization
29 extern crate unicode_normalization;
31 // for semver check in attrs.rs
37 extern crate regex_syntax;
39 // for finding minimal boolean expressions
41 extern crate quine_mc_cluskey;
43 extern crate rustc_const_math;
44 extern crate rustc_errors;
45 extern crate rustc_plugin;
48 extern crate matches as matches_macro;
52 extern crate serde_derive;
55 extern crate lazy_static;
57 extern crate itertools;
58 extern crate pulldown_cmark;
62 extern crate if_chain;
64 macro_rules! declare_clippy_lint {
65 { pub $name:tt, style, $description:tt } => {
66 declare_lint! { pub $name, Warn, $description }
68 { pub $name:tt, correctness, $description:tt } => {
69 declare_lint! { pub $name, Deny, $description }
71 { pub $name:tt, complexity, $description:tt } => {
72 declare_lint! { pub $name, Warn, $description }
74 { pub $name:tt, perf, $description:tt } => {
75 declare_lint! { pub $name, Warn, $description }
77 { pub $name:tt, pedantic, $description:tt } => {
78 declare_lint! { pub $name, Allow, $description }
80 { pub $name:tt, restriction, $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;
161 pub mod mut_reference;
162 pub mod mutex_atomic;
163 pub mod needless_bool;
164 pub mod needless_borrow;
165 pub mod needless_borrowed_ref;
166 pub mod needless_continue;
167 pub mod needless_pass_by_value;
168 pub mod needless_update;
169 pub mod neg_multiply;
170 pub mod new_without_default;
172 pub mod non_expressive_names;
174 pub mod open_options;
175 pub mod overflow_check_conditional;
177 pub mod partialeq_ne_impl;
180 pub mod question_mark;
182 pub mod redundant_field_names;
185 pub mod replace_consts;
190 pub mod suspicious_trait_impl;
192 pub mod temporary_assignment;
196 pub mod unsafe_removed_from_name;
197 pub mod unused_io_amount;
198 pub mod unused_label;
202 pub mod zero_div_zero;
203 // end lints modules, do not remove this comment, it’s used in `update_lints`
206 pub use syntax::ast::{Name, NodeId};
209 #[cfg_attr(rustfmt, rustfmt_skip)]
210 pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
211 let conf = match utils::conf::file_from_args(reg.args()) {
213 // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
214 // do not require the file to exist
215 let file_name = if let Some(file_name) = file_name {
218 match utils::conf::lookup_conf_file() {
221 reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
227 let file_name = file_name.map(|file_name| if file_name.is_relative() {
229 .local_crate_source_file
231 .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
238 let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
240 // all conf errors are non-fatal, we just use the default conf in case of error
241 for error in errors {
242 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();
247 Err((err, span)) => {
248 reg.sess.struct_span_err(span, err)
249 .span_note(span, "Clippy will use default configuration")
251 toml::from_str("").expect("we never error on empty config files")
255 let mut store = reg.sess.lint_store.borrow_mut();
256 store.register_removed(
258 "`assert!()` will be more flexible with RFC 2011",
260 store.register_removed(
262 "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
264 store.register_removed(
265 "range_step_by_zero",
266 "`iterator.step_by(0)` panics nowadays",
268 store.register_removed(
270 "`Vec::as_slice` has been stabilized in 1.7",
272 store.register_removed(
273 "unstable_as_mut_slice",
274 "`Vec::as_mut_slice` has been stabilized in 1.7",
276 store.register_removed(
278 "using `str::to_string` is common even today and specialization will likely happen soon",
280 store.register_removed(
282 "using `string::to_string` is common even today and specialization will likely happen soon",
284 store.register_removed(
285 "misaligned_transmute",
286 "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
288 // end deprecated lints, do not remove this comment, it’s used in `update_lints`
290 reg.register_late_lint_pass(box serde_api::Serde);
291 reg.register_early_lint_pass(box utils::internal_lints::Clippy);
292 reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
293 reg.register_late_lint_pass(box utils::inspector::Pass);
294 reg.register_late_lint_pass(box utils::author::Pass);
295 reg.register_late_lint_pass(box types::TypePass);
296 reg.register_late_lint_pass(box booleans::NonminimalBool);
297 reg.register_late_lint_pass(box eq_op::EqOp);
298 reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
299 reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
300 reg.register_late_lint_pass(box enum_clike::UnportableVariant);
301 reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
302 reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
303 reg.register_late_lint_pass(box ptr::PointerPass);
304 reg.register_late_lint_pass(box needless_bool::NeedlessBool);
305 reg.register_late_lint_pass(box needless_bool::BoolComparison);
306 reg.register_late_lint_pass(box approx_const::Pass);
307 reg.register_late_lint_pass(box misc::Pass);
308 reg.register_early_lint_pass(box precedence::Precedence);
309 reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
310 reg.register_late_lint_pass(box eta_reduction::EtaPass);
311 reg.register_late_lint_pass(box identity_op::IdentityOp);
312 reg.register_late_lint_pass(box erasing_op::ErasingOp);
313 reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
314 reg.register_late_lint_pass(box mut_mut::MutMut);
315 reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
316 reg.register_late_lint_pass(box len_zero::LenZero);
317 reg.register_late_lint_pass(box attrs::AttrPass);
318 reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
319 reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
320 reg.register_late_lint_pass(box unicode::Unicode);
321 reg.register_late_lint_pass(box strings::StringAdd);
322 reg.register_early_lint_pass(box returns::ReturnPass);
323 reg.register_late_lint_pass(box methods::Pass);
324 reg.register_late_lint_pass(box shadow::Pass);
325 reg.register_late_lint_pass(box types::LetPass);
326 reg.register_late_lint_pass(box types::UnitCmp);
327 reg.register_late_lint_pass(box loops::Pass);
328 reg.register_late_lint_pass(box lifetimes::LifetimePass);
329 reg.register_late_lint_pass(box entry::HashMapLint);
330 reg.register_late_lint_pass(box ranges::Pass);
331 reg.register_late_lint_pass(box types::CastPass);
332 reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
333 reg.register_late_lint_pass(box matches::MatchPass);
334 reg.register_late_lint_pass(box minmax::MinMaxPass);
335 reg.register_late_lint_pass(box open_options::NonSensical);
336 reg.register_late_lint_pass(box zero_div_zero::Pass);
337 reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
338 reg.register_late_lint_pass(box needless_update::Pass);
339 reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
340 reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
341 reg.register_late_lint_pass(box no_effect::Pass);
342 reg.register_late_lint_pass(box map_clone::Pass);
343 reg.register_late_lint_pass(box temporary_assignment::Pass);
344 reg.register_late_lint_pass(box transmute::Transmute);
345 reg.register_late_lint_pass(
346 box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
348 reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
349 reg.register_early_lint_pass(box misc_early::MiscEarly);
350 reg.register_late_lint_pass(box array_indexing::ArrayIndexing);
351 reg.register_late_lint_pass(box panic::Pass);
352 reg.register_late_lint_pass(box strings::StringLitAsBytes);
353 reg.register_late_lint_pass(box derive::Derive);
354 reg.register_late_lint_pass(box types::CharLitAsU8);
355 reg.register_late_lint_pass(box write::Pass);
356 reg.register_late_lint_pass(box vec::Pass);
357 reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
358 single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
360 reg.register_late_lint_pass(box drop_forget_ref::Pass);
361 reg.register_late_lint_pass(box empty_enum::EmptyEnum);
362 reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
363 reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
364 reg.register_late_lint_pass(box regex::Pass::default());
365 reg.register_late_lint_pass(box copies::CopyAndPaste);
366 reg.register_late_lint_pass(box format::Pass);
367 reg.register_early_lint_pass(box formatting::Formatting);
368 reg.register_late_lint_pass(box swap::Swap);
369 reg.register_early_lint_pass(box if_not_else::IfNotElse);
370 reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
371 reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
372 reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
373 reg.register_late_lint_pass(box unused_label::UnusedLabel);
374 reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
375 reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
376 reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
377 reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
378 reg.register_late_lint_pass(box neg_multiply::NegMultiply);
379 reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
380 reg.register_late_lint_pass(box mem_forget::MemForget);
381 reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
382 reg.register_late_lint_pass(box assign_ops::AssignOps);
383 reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
384 reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
385 reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
386 reg.register_late_lint_pass(box ok_if_let::Pass);
387 reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
388 reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
389 reg.register_early_lint_pass(box reference::Pass);
390 reg.register_early_lint_pass(box double_parens::DoubleParens);
391 reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
392 reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
393 reg.register_late_lint_pass(box explicit_write::Pass);
394 reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
395 reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
396 reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
397 conf.literal_representation_threshold
399 reg.register_late_lint_pass(box use_self::UseSelf);
400 reg.register_late_lint_pass(box bytecount::ByteCount);
401 reg.register_late_lint_pass(box infinite_iter::Pass);
402 reg.register_late_lint_pass(box inline_fn_without_body::Pass);
403 reg.register_late_lint_pass(box invalid_ref::InvalidRef);
404 reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
405 reg.register_late_lint_pass(box types::ImplicitHasher);
406 reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
407 reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
408 reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
409 reg.register_late_lint_pass(box types::UnitArg);
410 reg.register_late_lint_pass(box double_comparison::DoubleComparisonPass);
411 reg.register_late_lint_pass(box question_mark::QuestionMarkPass);
412 reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
413 reg.register_late_lint_pass(box redundant_field_names::RedundantFieldNames);
414 reg.register_late_lint_pass(box map_unit_fn::Pass);
415 reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
418 reg.register_lint_group("clippy_restriction", vec![
419 arithmetic::FLOAT_ARITHMETIC,
420 arithmetic::INTEGER_ARITHMETIC,
421 array_indexing::INDEXING_SLICING,
422 assign_ops::ASSIGN_OPS,
423 else_if_without_else::ELSE_IF_WITHOUT_ELSE,
424 literal_representation::DECIMAL_LITERAL_REPRESENTATION,
425 mem_forget::MEM_FORGET,
426 methods::CLONE_ON_REF_PTR,
427 methods::OPTION_UNWRAP_USED,
428 methods::RESULT_UNWRAP_USED,
429 methods::WRONG_PUB_SELF_CONVENTION,
430 misc::FLOAT_CMP_CONST,
431 missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
432 shadow::SHADOW_REUSE,
434 shadow::SHADOW_UNRELATED,
440 reg.register_lint_group("clippy_pedantic", vec![
441 attrs::INLINE_ALWAYS,
442 copies::MATCH_SAME_ARMS,
443 derive::EXPL_IMPL_CLONE_ON_COPY,
445 empty_enum::EMPTY_ENUM,
446 enum_glob_use::ENUM_GLOB_USE,
447 enum_variants::PUB_ENUM_VARIANT_NAMES,
448 enum_variants::STUTTER,
449 if_not_else::IF_NOT_ELSE,
450 infinite_iter::MAYBE_INFINITE_ITER,
451 items_after_statements::ITEMS_AFTER_STATEMENTS,
452 matches::SINGLE_MATCH_ELSE,
454 methods::OPTION_MAP_UNWRAP_OR,
455 methods::OPTION_MAP_UNWRAP_OR_ELSE,
456 methods::RESULT_MAP_UNWRAP_OR_ELSE,
457 misc::USED_UNDERSCORE_BINDING,
458 misc_early::UNSEPARATED_LITERAL_SUFFIX,
460 needless_continue::NEEDLESS_CONTINUE,
461 non_expressive_names::SIMILAR_NAMES,
462 replace_consts::REPLACE_CONSTS,
463 strings::STRING_ADD_ASSIGN,
464 types::CAST_POSSIBLE_TRUNCATION,
465 types::CAST_POSSIBLE_WRAP,
466 types::CAST_PRECISION_LOSS,
467 types::CAST_SIGN_LOSS,
468 types::INVALID_UPCAST_COMPARISONS,
470 unicode::NON_ASCII_LITERAL,
471 unicode::UNICODE_NOT_NFC,
475 reg.register_lint_group("clippy_internal", vec![
476 utils::internal_lints::CLIPPY_LINTS_INTERNAL,
477 utils::internal_lints::LINT_WITHOUT_LINT_PASS,
480 reg.register_lint_group("clippy", vec![
481 approx_const::APPROX_CONSTANT,
482 array_indexing::OUT_OF_BOUNDS_INDEXING,
483 assign_ops::ASSIGN_OP_PATTERN,
484 assign_ops::MISREFACTORED_ASSIGN_OP,
485 attrs::DEPRECATED_SEMVER,
486 attrs::USELESS_ATTRIBUTE,
487 bit_mask::BAD_BIT_MASK,
488 bit_mask::INEFFECTIVE_BIT_MASK,
489 bit_mask::VERBOSE_BIT_MASK,
490 blacklisted_name::BLACKLISTED_NAME,
491 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
492 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
494 booleans::NONMINIMAL_BOOL,
495 bytecount::NAIVE_BYTECOUNT,
496 collapsible_if::COLLAPSIBLE_IF,
497 const_static_lifetime::CONST_STATIC_LIFETIME,
498 copies::IF_SAME_THEN_ELSE,
499 copies::IFS_SAME_COND,
500 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
501 derive::DERIVE_HASH_XOR_EQ,
502 double_comparison::DOUBLE_COMPARISONS,
503 double_parens::DOUBLE_PARENS,
504 drop_forget_ref::DROP_COPY,
505 drop_forget_ref::DROP_REF,
506 drop_forget_ref::FORGET_COPY,
507 drop_forget_ref::FORGET_REF,
509 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
510 enum_variants::ENUM_VARIANT_NAMES,
511 enum_variants::MODULE_INCEPTION,
514 erasing_op::ERASING_OP,
516 eta_reduction::REDUNDANT_CLOSURE,
517 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
518 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
519 explicit_write::EXPLICIT_WRITE,
520 format::USELESS_FORMAT,
521 formatting::POSSIBLE_MISSING_COMMA,
522 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
523 formatting::SUSPICIOUS_ELSE_FORMATTING,
524 functions::NOT_UNSAFE_PTR_ARG_DEREF,
525 functions::TOO_MANY_ARGUMENTS,
526 identity_conversion::IDENTITY_CONVERSION,
527 identity_op::IDENTITY_OP,
528 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
529 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
530 infinite_iter::INFINITE_ITER,
531 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
532 int_plus_one::INT_PLUS_ONE,
533 invalid_ref::INVALID_REF,
534 large_enum_variant::LARGE_ENUM_VARIANT,
535 len_zero::LEN_WITHOUT_IS_EMPTY,
537 let_if_seq::USELESS_LET_IF_SEQ,
538 lifetimes::NEEDLESS_LIFETIMES,
539 lifetimes::UNUSED_LIFETIMES,
540 literal_representation::INCONSISTENT_DIGIT_GROUPING,
541 literal_representation::LARGE_DIGIT_GROUPS,
542 literal_representation::UNREADABLE_LITERAL,
544 loops::EXPLICIT_COUNTER_LOOP,
545 loops::EXPLICIT_INTO_ITER_LOOP,
546 loops::EXPLICIT_ITER_LOOP,
548 loops::FOR_LOOP_OVER_OPTION,
549 loops::FOR_LOOP_OVER_RESULT,
550 loops::ITER_NEXT_LOOP,
551 loops::MANUAL_MEMCPY,
552 loops::MUT_RANGE_BOUND,
553 loops::NEEDLESS_RANGE_LOOP,
555 loops::REVERSE_RANGE_LOOP,
556 loops::UNUSED_COLLECT,
557 loops::WHILE_IMMUTABLE_CONDITION,
558 loops::WHILE_LET_LOOP,
559 loops::WHILE_LET_ON_ITERATOR,
560 map_clone::MAP_CLONE,
561 map_unit_fn::OPTION_MAP_UNIT_FN,
562 map_unit_fn::RESULT_MAP_UNIT_FN,
563 matches::MATCH_AS_REF,
565 matches::MATCH_OVERLAPPING_ARM,
566 matches::MATCH_REF_PATS,
567 matches::MATCH_WILD_ERR_ARM,
568 matches::SINGLE_MATCH,
569 methods::CHARS_LAST_CMP,
570 methods::CHARS_NEXT_CMP,
571 methods::CLONE_DOUBLE_REF,
572 methods::CLONE_ON_COPY,
573 methods::FILTER_NEXT,
575 methods::ITER_CLONED_COLLECT,
577 methods::ITER_SKIP_NEXT,
578 methods::NEW_RET_NO_SELF,
580 methods::OPTION_MAP_OR_NONE,
581 methods::OR_FUN_CALL,
582 methods::SEARCH_IS_SOME,
583 methods::SHOULD_IMPLEMENT_TRAIT,
584 methods::SINGLE_CHAR_PATTERN,
585 methods::STRING_EXTEND_CHARS,
586 methods::TEMPORARY_CSTRING_AS_PTR,
587 methods::UNNECESSARY_FOLD,
588 methods::USELESS_ASREF,
589 methods::WRONG_SELF_CONVENTION,
595 misc::REDUNDANT_PATTERN,
596 misc::SHORT_CIRCUIT_STATEMENT,
597 misc::TOPLEVEL_REF_ARG,
599 misc_early::BUILTIN_TYPE_SHADOW,
600 misc_early::DOUBLE_NEG,
601 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
602 misc_early::MIXED_CASE_HEX_LITERALS,
603 misc_early::REDUNDANT_CLOSURE_CALL,
604 misc_early::UNNEEDED_FIELD_PATTERN,
605 misc_early::ZERO_PREFIXED_LITERAL,
606 mut_reference::UNNECESSARY_MUT_PASSED,
607 mutex_atomic::MUTEX_ATOMIC,
608 needless_bool::BOOL_COMPARISON,
609 needless_bool::NEEDLESS_BOOL,
610 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
611 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
612 needless_update::NEEDLESS_UPDATE,
613 neg_multiply::NEG_MULTIPLY,
614 new_without_default::NEW_WITHOUT_DEFAULT,
615 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
616 no_effect::NO_EFFECT,
617 no_effect::UNNECESSARY_OPERATION,
618 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
619 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
620 ok_if_let::IF_LET_SOME_RESULT,
621 open_options::NONSENSICAL_OPEN_OPTIONS,
622 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
624 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
625 precedence::PRECEDENCE,
629 question_mark::QUESTION_MARK,
630 ranges::ITERATOR_STEP_BY_ZERO,
631 ranges::RANGE_MINUS_ONE,
632 ranges::RANGE_ZIP_WITH_LEN,
633 redundant_field_names::REDUNDANT_FIELD_NAMES,
634 reference::DEREF_ADDROF,
635 regex::INVALID_REGEX,
637 regex::TRIVIAL_REGEX,
638 returns::LET_AND_RETURN,
639 returns::NEEDLESS_RETURN,
640 serde_api::SERDE_API_MISUSE,
641 strings::STRING_LIT_AS_BYTES,
642 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
643 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
644 swap::ALMOST_SWAPPED,
646 temporary_assignment::TEMPORARY_ASSIGNMENT,
647 transmute::CROSSPOINTER_TRANSMUTE,
648 transmute::TRANSMUTE_BYTES_TO_STR,
649 transmute::TRANSMUTE_INT_TO_BOOL,
650 transmute::TRANSMUTE_INT_TO_CHAR,
651 transmute::TRANSMUTE_INT_TO_FLOAT,
652 transmute::TRANSMUTE_PTR_TO_PTR,
653 transmute::TRANSMUTE_PTR_TO_REF,
654 transmute::USELESS_TRANSMUTE,
655 transmute::WRONG_TRANSMUTE,
656 types::ABSURD_EXTREME_COMPARISONS,
659 types::CAST_LOSSLESS,
660 types::CAST_PTR_ALIGNMENT,
661 types::CHAR_LIT_AS_U8,
662 types::IMPLICIT_HASHER,
663 types::LET_UNIT_VALUE,
664 types::OPTION_OPTION,
665 types::TYPE_COMPLEXITY,
668 types::UNNECESSARY_CAST,
669 unicode::ZERO_WIDTH_SPACE,
670 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
671 unused_io_amount::UNUSED_IO_AMOUNT,
672 unused_label::UNUSED_LABEL,
674 write::PRINT_LITERAL,
675 write::PRINT_WITH_NEWLINE,
676 write::PRINTLN_EMPTY_STRING,
677 write::WRITE_LITERAL,
678 write::WRITE_WITH_NEWLINE,
679 write::WRITELN_EMPTY_STRING,
680 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
683 reg.register_lint_group("clippy_style", vec![
684 assign_ops::ASSIGN_OP_PATTERN,
685 bit_mask::VERBOSE_BIT_MASK,
686 blacklisted_name::BLACKLISTED_NAME,
687 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
688 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
689 collapsible_if::COLLAPSIBLE_IF,
690 const_static_lifetime::CONST_STATIC_LIFETIME,
691 enum_variants::ENUM_VARIANT_NAMES,
692 enum_variants::MODULE_INCEPTION,
694 eta_reduction::REDUNDANT_CLOSURE,
695 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
696 formatting::SUSPICIOUS_ELSE_FORMATTING,
697 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
698 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
699 len_zero::LEN_WITHOUT_IS_EMPTY,
701 let_if_seq::USELESS_LET_IF_SEQ,
702 literal_representation::INCONSISTENT_DIGIT_GROUPING,
703 literal_representation::LARGE_DIGIT_GROUPS,
704 literal_representation::UNREADABLE_LITERAL,
706 loops::EXPLICIT_INTO_ITER_LOOP,
707 loops::EXPLICIT_ITER_LOOP,
709 loops::NEEDLESS_RANGE_LOOP,
710 loops::WHILE_LET_ON_ITERATOR,
711 map_clone::MAP_CLONE,
713 matches::MATCH_OVERLAPPING_ARM,
714 matches::MATCH_REF_PATS,
715 matches::MATCH_WILD_ERR_ARM,
716 matches::SINGLE_MATCH,
717 methods::CHARS_LAST_CMP,
719 methods::ITER_CLONED_COLLECT,
720 methods::ITER_SKIP_NEXT,
721 methods::NEW_RET_NO_SELF,
723 methods::OPTION_MAP_OR_NONE,
724 methods::SHOULD_IMPLEMENT_TRAIT,
725 methods::STRING_EXTEND_CHARS,
726 methods::UNNECESSARY_FOLD,
727 methods::WRONG_SELF_CONVENTION,
728 misc::REDUNDANT_PATTERN,
729 misc::TOPLEVEL_REF_ARG,
731 misc_early::BUILTIN_TYPE_SHADOW,
732 misc_early::DOUBLE_NEG,
733 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
734 misc_early::MIXED_CASE_HEX_LITERALS,
735 misc_early::UNNEEDED_FIELD_PATTERN,
736 mut_reference::UNNECESSARY_MUT_PASSED,
737 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
738 neg_multiply::NEG_MULTIPLY,
739 new_without_default::NEW_WITHOUT_DEFAULT,
740 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
741 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
742 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
743 ok_if_let::IF_LET_SOME_RESULT,
747 question_mark::QUESTION_MARK,
748 ranges::RANGE_MINUS_ONE,
749 redundant_field_names::REDUNDANT_FIELD_NAMES,
751 regex::TRIVIAL_REGEX,
752 returns::LET_AND_RETURN,
753 returns::NEEDLESS_RETURN,
754 strings::STRING_LIT_AS_BYTES,
755 types::IMPLICIT_HASHER,
756 types::LET_UNIT_VALUE,
757 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
758 write::PRINT_LITERAL,
759 write::PRINT_WITH_NEWLINE,
760 write::PRINTLN_EMPTY_STRING,
761 write::WRITE_LITERAL,
762 write::WRITE_WITH_NEWLINE,
763 write::WRITELN_EMPTY_STRING,
766 reg.register_lint_group("clippy_complexity", vec![
767 assign_ops::MISREFACTORED_ASSIGN_OP,
768 booleans::NONMINIMAL_BOOL,
769 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
770 double_comparison::DOUBLE_COMPARISONS,
771 double_parens::DOUBLE_PARENS,
772 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
773 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
774 explicit_write::EXPLICIT_WRITE,
775 format::USELESS_FORMAT,
776 functions::TOO_MANY_ARGUMENTS,
777 identity_conversion::IDENTITY_CONVERSION,
778 identity_op::IDENTITY_OP,
779 int_plus_one::INT_PLUS_ONE,
780 lifetimes::NEEDLESS_LIFETIMES,
781 lifetimes::UNUSED_LIFETIMES,
782 loops::EXPLICIT_COUNTER_LOOP,
783 loops::MUT_RANGE_BOUND,
784 loops::WHILE_LET_LOOP,
785 map_unit_fn::OPTION_MAP_UNIT_FN,
786 map_unit_fn::RESULT_MAP_UNIT_FN,
787 matches::MATCH_AS_REF,
788 methods::CHARS_NEXT_CMP,
789 methods::CLONE_ON_COPY,
790 methods::FILTER_NEXT,
791 methods::SEARCH_IS_SOME,
792 methods::USELESS_ASREF,
793 misc::SHORT_CIRCUIT_STATEMENT,
794 misc_early::REDUNDANT_CLOSURE_CALL,
795 misc_early::ZERO_PREFIXED_LITERAL,
796 needless_bool::BOOL_COMPARISON,
797 needless_bool::NEEDLESS_BOOL,
798 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
799 needless_update::NEEDLESS_UPDATE,
800 no_effect::NO_EFFECT,
801 no_effect::UNNECESSARY_OPERATION,
802 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
803 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
804 precedence::PRECEDENCE,
805 ranges::RANGE_ZIP_WITH_LEN,
806 reference::DEREF_ADDROF,
808 temporary_assignment::TEMPORARY_ASSIGNMENT,
809 transmute::CROSSPOINTER_TRANSMUTE,
810 transmute::TRANSMUTE_BYTES_TO_STR,
811 transmute::TRANSMUTE_INT_TO_BOOL,
812 transmute::TRANSMUTE_INT_TO_CHAR,
813 transmute::TRANSMUTE_INT_TO_FLOAT,
814 transmute::TRANSMUTE_PTR_TO_PTR,
815 transmute::TRANSMUTE_PTR_TO_REF,
816 transmute::USELESS_TRANSMUTE,
818 types::CAST_LOSSLESS,
819 types::CHAR_LIT_AS_U8,
820 types::OPTION_OPTION,
821 types::TYPE_COMPLEXITY,
823 types::UNNECESSARY_CAST,
824 unused_label::UNUSED_LABEL,
825 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
828 reg.register_lint_group("clippy_correctness", vec![
829 approx_const::APPROX_CONSTANT,
830 array_indexing::OUT_OF_BOUNDS_INDEXING,
831 attrs::DEPRECATED_SEMVER,
832 attrs::USELESS_ATTRIBUTE,
833 bit_mask::BAD_BIT_MASK,
834 bit_mask::INEFFECTIVE_BIT_MASK,
836 copies::IF_SAME_THEN_ELSE,
837 copies::IFS_SAME_COND,
838 derive::DERIVE_HASH_XOR_EQ,
839 drop_forget_ref::DROP_COPY,
840 drop_forget_ref::DROP_REF,
841 drop_forget_ref::FORGET_COPY,
842 drop_forget_ref::FORGET_REF,
843 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
845 erasing_op::ERASING_OP,
846 formatting::POSSIBLE_MISSING_COMMA,
847 functions::NOT_UNSAFE_PTR_ARG_DEREF,
848 infinite_iter::INFINITE_ITER,
849 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
850 invalid_ref::INVALID_REF,
851 loops::FOR_LOOP_OVER_OPTION,
852 loops::FOR_LOOP_OVER_RESULT,
853 loops::ITER_NEXT_LOOP,
855 loops::REVERSE_RANGE_LOOP,
856 loops::WHILE_IMMUTABLE_CONDITION,
857 methods::CLONE_DOUBLE_REF,
858 methods::TEMPORARY_CSTRING_AS_PTR,
863 open_options::NONSENSICAL_OPEN_OPTIONS,
865 ranges::ITERATOR_STEP_BY_ZERO,
866 regex::INVALID_REGEX,
867 serde_api::SERDE_API_MISUSE,
868 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
869 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
870 swap::ALMOST_SWAPPED,
871 transmute::WRONG_TRANSMUTE,
872 types::ABSURD_EXTREME_COMPARISONS,
873 types::CAST_PTR_ALIGNMENT,
875 unicode::ZERO_WIDTH_SPACE,
876 unused_io_amount::UNUSED_IO_AMOUNT,
879 reg.register_lint_group("clippy_perf", vec![
880 bytecount::NAIVE_BYTECOUNT,
883 large_enum_variant::LARGE_ENUM_VARIANT,
884 loops::MANUAL_MEMCPY,
885 loops::UNUSED_COLLECT,
887 methods::OR_FUN_CALL,
888 methods::SINGLE_CHAR_PATTERN,
890 mutex_atomic::MUTEX_ATOMIC,
895 reg.register_lint_group("clippy_nursery", vec![
896 attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
897 fallible_impl_from::FALLIBLE_IMPL_FROM,
898 mutex_atomic::MUTEX_INTEGER,
899 needless_borrow::NEEDLESS_BORROW,
900 ranges::RANGE_PLUS_ONE,
904 // only exists to let the dogfood integration test works.
905 // Don't run clippy as an executable directly
906 #[allow(dead_code, print_stdout)]
908 panic!("Please use the cargo-clippy executable");