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, 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)]
15 #![warn(rust_2018_idioms)]
24 extern crate matches as matches_macro;
27 extern crate serde_derive;
30 extern crate lazy_static;
33 extern crate if_chain;
35 macro_rules! declare_clippy_lint {
36 { pub $name:tt, style, $description:tt } => {
37 declare_lint! { pub $name, Warn, $description }
39 { pub $name:tt, correctness, $description:tt } => {
40 declare_lint! { pub $name, Deny, $description }
42 { pub $name:tt, complexity, $description:tt } => {
43 declare_lint! { pub $name, Warn, $description }
45 { pub $name:tt, perf, $description:tt } => {
46 declare_lint! { pub $name, Warn, $description }
48 { pub $name:tt, pedantic, $description:tt } => {
49 declare_lint! { pub $name, Allow, $description }
51 { pub $name:tt, restriction, $description:tt } => {
52 declare_lint! { pub $name, Allow, $description }
54 { pub $name:tt, cargo, $description:tt } => {
55 declare_lint! { pub $name, Allow, $description }
57 { pub $name:tt, nursery, $description:tt } => {
58 declare_lint! { pub $name, Allow, $description }
60 { pub $name:tt, internal, $description:tt } => {
61 declare_lint! { pub $name, Allow, $description }
63 { pub $name:tt, internal_warn, $description:tt } => {
64 declare_lint! { pub $name, Warn, $description }
72 // begin lints modules, do not remove this comment, it’s used in `update_lints`
78 pub mod blacklisted_name;
79 pub mod block_in_if_condition;
82 pub mod collapsible_if;
83 pub mod const_static_lifetime;
85 pub mod cyclomatic_complexity;
86 pub mod default_trait_access;
89 pub mod double_comparison;
90 pub mod double_parens;
91 pub mod drop_forget_ref;
92 pub mod duration_subsec;
93 pub mod else_if_without_else;
97 pub mod enum_glob_use;
98 pub mod enum_variants;
102 pub mod eta_reduction;
103 pub mod eval_order_dependence;
104 pub mod excessive_precision;
105 pub mod explicit_write;
106 pub mod fallible_impl_from;
110 pub mod identity_conversion;
112 pub mod if_let_redundant_pattern_matching;
114 pub mod indexing_slicing;
115 pub mod infallible_destructuring_match;
116 pub mod infinite_iter;
117 pub mod inherent_impl;
118 pub mod inline_fn_without_body;
119 pub mod int_plus_one;
121 pub mod items_after_statements;
122 pub mod large_enum_variant;
126 pub mod literal_representation;
137 pub mod multiple_crate_versions;
139 pub mod mut_reference;
140 pub mod mutex_atomic;
141 pub mod needless_bool;
142 pub mod needless_borrow;
143 pub mod needless_borrowed_ref;
144 pub mod needless_continue;
145 pub mod needless_pass_by_value;
146 pub mod needless_update;
147 pub mod neg_cmp_op_on_partial_ord;
148 pub mod neg_multiply;
149 pub mod new_without_default;
151 pub mod non_copy_const;
152 pub mod non_expressive_names;
154 pub mod open_options;
155 pub mod overflow_check_conditional;
156 pub mod panic_unimplemented;
157 pub mod partialeq_ne_impl;
160 pub mod question_mark;
162 pub mod redundant_field_names;
165 pub mod replace_consts;
170 pub mod suspicious_trait_impl;
172 pub mod temporary_assignment;
174 pub mod trivially_copy_pass_by_ref;
177 pub mod unsafe_removed_from_name;
178 pub mod unused_io_amount;
179 pub mod unused_label;
184 pub mod zero_div_zero;
185 // end lints modules, do not remove this comment, it’s used in `update_lints`
188 crate use syntax::ast::{Name, NodeId};
191 #[cfg_attr(rustfmt, rustfmt_skip)]
192 pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
193 let conf = match utils::conf::file_from_args(reg.args()) {
195 // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
196 // do not require the file to exist
197 let file_name = if let Some(file_name) = file_name {
200 match utils::conf::lookup_conf_file() {
203 reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
209 let file_name = file_name.map(|file_name| if file_name.is_relative() {
211 .local_crate_source_file
213 .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
220 let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
222 // all conf errors are non-fatal, we just use the default conf in case of error
223 for error in errors {
224 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();
229 Err((err, span)) => {
230 reg.sess.struct_span_err(span, err)
231 .span_note(span, "Clippy will use default configuration")
233 toml::from_str("").expect("we never error on empty config files")
237 let mut store = reg.sess.lint_store.borrow_mut();
238 store.register_removed(
240 "`assert!()` will be more flexible with RFC 2011",
242 store.register_removed(
244 "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
246 store.register_removed(
247 "range_step_by_zero",
248 "`iterator.step_by(0)` panics nowadays",
250 store.register_removed(
252 "`Vec::as_slice` has been stabilized in 1.7",
254 store.register_removed(
255 "unstable_as_mut_slice",
256 "`Vec::as_mut_slice` has been stabilized in 1.7",
258 store.register_removed(
260 "using `str::to_string` is common even today and specialization will likely happen soon",
262 store.register_removed(
264 "using `string::to_string` is common even today and specialization will likely happen soon",
266 store.register_removed(
267 "misaligned_transmute",
268 "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
270 // end deprecated lints, do not remove this comment, it’s used in `update_lints`
272 reg.register_late_lint_pass(box serde_api::Serde);
273 reg.register_early_lint_pass(box utils::internal_lints::Clippy);
274 reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
275 reg.register_late_lint_pass(box utils::inspector::Pass);
276 reg.register_late_lint_pass(box utils::author::Pass);
277 reg.register_late_lint_pass(box types::TypePass);
278 reg.register_late_lint_pass(box booleans::NonminimalBool);
279 reg.register_late_lint_pass(box eq_op::EqOp);
280 reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
281 reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
282 reg.register_late_lint_pass(box enum_clike::UnportableVariant);
283 reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
284 reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
285 reg.register_late_lint_pass(box ptr::PointerPass);
286 reg.register_late_lint_pass(box needless_bool::NeedlessBool);
287 reg.register_late_lint_pass(box needless_bool::BoolComparison);
288 reg.register_late_lint_pass(box approx_const::Pass);
289 reg.register_late_lint_pass(box misc::Pass);
290 reg.register_early_lint_pass(box precedence::Precedence);
291 reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
292 reg.register_late_lint_pass(box eta_reduction::EtaPass);
293 reg.register_late_lint_pass(box identity_op::IdentityOp);
294 reg.register_late_lint_pass(box erasing_op::ErasingOp);
295 reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
296 reg.register_late_lint_pass(box mut_mut::MutMut);
297 reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
298 reg.register_late_lint_pass(box len_zero::LenZero);
299 reg.register_late_lint_pass(box attrs::AttrPass);
300 reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
301 reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
302 reg.register_late_lint_pass(box unicode::Unicode);
303 reg.register_late_lint_pass(box strings::StringAdd);
304 reg.register_early_lint_pass(box returns::ReturnPass);
305 reg.register_late_lint_pass(box methods::Pass);
306 reg.register_late_lint_pass(box shadow::Pass);
307 reg.register_late_lint_pass(box types::LetPass);
308 reg.register_late_lint_pass(box types::UnitCmp);
309 reg.register_late_lint_pass(box loops::Pass);
310 reg.register_late_lint_pass(box lifetimes::LifetimePass);
311 reg.register_late_lint_pass(box entry::HashMapLint);
312 reg.register_late_lint_pass(box ranges::Pass);
313 reg.register_late_lint_pass(box types::CastPass);
314 reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
315 reg.register_late_lint_pass(box matches::MatchPass);
316 reg.register_late_lint_pass(box minmax::MinMaxPass);
317 reg.register_late_lint_pass(box open_options::NonSensical);
318 reg.register_late_lint_pass(box zero_div_zero::Pass);
319 reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
320 reg.register_late_lint_pass(box needless_update::Pass);
321 reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
322 reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
323 reg.register_late_lint_pass(box no_effect::Pass);
324 reg.register_late_lint_pass(box map_clone::Pass);
325 reg.register_late_lint_pass(box temporary_assignment::Pass);
326 reg.register_late_lint_pass(box transmute::Transmute);
327 reg.register_late_lint_pass(
328 box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
330 reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
331 reg.register_early_lint_pass(box misc_early::MiscEarly);
332 reg.register_late_lint_pass(box panic_unimplemented::Pass);
333 reg.register_late_lint_pass(box strings::StringLitAsBytes);
334 reg.register_late_lint_pass(box derive::Derive);
335 reg.register_late_lint_pass(box types::CharLitAsU8);
336 reg.register_late_lint_pass(box write::Pass);
337 reg.register_late_lint_pass(box vec::Pass);
338 reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
339 single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
341 reg.register_late_lint_pass(box drop_forget_ref::Pass);
342 reg.register_late_lint_pass(box empty_enum::EmptyEnum);
343 reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
344 reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
345 reg.register_late_lint_pass(box regex::Pass::default());
346 reg.register_late_lint_pass(box copies::CopyAndPaste);
347 reg.register_late_lint_pass(box format::Pass);
348 reg.register_early_lint_pass(box formatting::Formatting);
349 reg.register_late_lint_pass(box swap::Swap);
350 reg.register_early_lint_pass(box if_not_else::IfNotElse);
351 reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
352 reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
353 reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
354 reg.register_late_lint_pass(box unused_label::UnusedLabel);
355 reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
356 reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
357 reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
358 reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
359 reg.register_late_lint_pass(box neg_multiply::NegMultiply);
360 reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
361 reg.register_late_lint_pass(box mem_forget::MemForget);
362 reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
363 reg.register_late_lint_pass(box assign_ops::AssignOps);
364 reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
365 reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
366 reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
367 reg.register_late_lint_pass(box ok_if_let::Pass);
368 reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
369 reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
370 reg.register_early_lint_pass(box reference::Pass);
371 reg.register_early_lint_pass(box reference::DerefPass);
372 reg.register_early_lint_pass(box double_parens::DoubleParens);
373 reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
374 reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
375 reg.register_late_lint_pass(box explicit_write::Pass);
376 reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
377 reg.register_late_lint_pass(box trivially_copy_pass_by_ref::TriviallyCopyPassByRef::new(
378 conf.trivial_copy_size_limit,
381 reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
382 reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
383 conf.literal_representation_threshold
385 reg.register_late_lint_pass(box use_self::UseSelf);
386 reg.register_late_lint_pass(box bytecount::ByteCount);
387 reg.register_late_lint_pass(box infinite_iter::Pass);
388 reg.register_late_lint_pass(box inline_fn_without_body::Pass);
389 reg.register_late_lint_pass(box invalid_ref::InvalidRef);
390 reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
391 reg.register_late_lint_pass(box types::ImplicitHasher);
392 reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
393 reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
394 reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
395 reg.register_late_lint_pass(box types::UnitArg);
396 reg.register_late_lint_pass(box double_comparison::DoubleComparisonPass);
397 reg.register_late_lint_pass(box question_mark::QuestionMarkPass);
398 reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
399 reg.register_late_lint_pass(box redundant_field_names::RedundantFieldNames);
400 reg.register_early_lint_pass(box multiple_crate_versions::Pass);
401 reg.register_late_lint_pass(box map_unit_fn::Pass);
402 reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
403 reg.register_late_lint_pass(box inherent_impl::Pass::default());
404 reg.register_late_lint_pass(box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd);
405 reg.register_late_lint_pass(box unwrap::Pass);
406 reg.register_late_lint_pass(box duration_subsec::DurationSubsec);
407 reg.register_late_lint_pass(box default_trait_access::DefaultTraitAccess);
408 reg.register_late_lint_pass(box indexing_slicing::IndexingSlicing);
409 reg.register_late_lint_pass(box non_copy_const::NonCopyConst);
411 reg.register_lint_group("clippy_restriction", vec![
412 arithmetic::FLOAT_ARITHMETIC,
413 arithmetic::INTEGER_ARITHMETIC,
414 assign_ops::ASSIGN_OPS,
415 else_if_without_else::ELSE_IF_WITHOUT_ELSE,
416 inherent_impl::MULTIPLE_INHERENT_IMPL,
417 literal_representation::DECIMAL_LITERAL_REPRESENTATION,
418 mem_forget::MEM_FORGET,
419 methods::CLONE_ON_REF_PTR,
420 methods::OPTION_UNWRAP_USED,
421 methods::RESULT_UNWRAP_USED,
422 methods::WRONG_PUB_SELF_CONVENTION,
423 misc::FLOAT_CMP_CONST,
424 missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
425 panic_unimplemented::UNIMPLEMENTED,
426 shadow::SHADOW_REUSE,
428 shadow::SHADOW_UNRELATED,
434 reg.register_lint_group("clippy_pedantic", vec![
435 attrs::INLINE_ALWAYS,
436 copies::MATCH_SAME_ARMS,
437 default_trait_access::DEFAULT_TRAIT_ACCESS,
438 derive::EXPL_IMPL_CLONE_ON_COPY,
440 empty_enum::EMPTY_ENUM,
441 enum_glob_use::ENUM_GLOB_USE,
442 enum_variants::PUB_ENUM_VARIANT_NAMES,
443 enum_variants::STUTTER,
444 if_not_else::IF_NOT_ELSE,
445 indexing_slicing::INDEXING_SLICING,
446 infinite_iter::MAYBE_INFINITE_ITER,
447 items_after_statements::ITEMS_AFTER_STATEMENTS,
448 matches::SINGLE_MATCH_ELSE,
450 methods::OPTION_MAP_UNWRAP_OR,
451 methods::OPTION_MAP_UNWRAP_OR_ELSE,
452 methods::RESULT_MAP_UNWRAP_OR_ELSE,
453 misc::USED_UNDERSCORE_BINDING,
454 misc_early::UNSEPARATED_LITERAL_SUFFIX,
456 needless_continue::NEEDLESS_CONTINUE,
457 non_expressive_names::SIMILAR_NAMES,
458 replace_consts::REPLACE_CONSTS,
459 strings::STRING_ADD_ASSIGN,
460 types::CAST_POSSIBLE_TRUNCATION,
461 types::CAST_POSSIBLE_WRAP,
462 types::CAST_PRECISION_LOSS,
463 types::CAST_SIGN_LOSS,
464 types::INVALID_UPCAST_COMPARISONS,
466 unicode::NON_ASCII_LITERAL,
467 unicode::UNICODE_NOT_NFC,
471 reg.register_lint_group("clippy_internal", vec![
472 utils::internal_lints::CLIPPY_LINTS_INTERNAL,
473 utils::internal_lints::LINT_WITHOUT_LINT_PASS,
476 reg.register_lint_group("clippy", vec![
477 approx_const::APPROX_CONSTANT,
478 assign_ops::ASSIGN_OP_PATTERN,
479 assign_ops::MISREFACTORED_ASSIGN_OP,
480 attrs::DEPRECATED_SEMVER,
481 attrs::USELESS_ATTRIBUTE,
482 bit_mask::BAD_BIT_MASK,
483 bit_mask::INEFFECTIVE_BIT_MASK,
484 bit_mask::VERBOSE_BIT_MASK,
485 blacklisted_name::BLACKLISTED_NAME,
486 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
487 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
489 booleans::NONMINIMAL_BOOL,
490 bytecount::NAIVE_BYTECOUNT,
491 collapsible_if::COLLAPSIBLE_IF,
492 const_static_lifetime::CONST_STATIC_LIFETIME,
493 copies::IF_SAME_THEN_ELSE,
494 copies::IFS_SAME_COND,
495 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
496 derive::DERIVE_HASH_XOR_EQ,
497 double_comparison::DOUBLE_COMPARISONS,
498 double_parens::DOUBLE_PARENS,
499 drop_forget_ref::DROP_COPY,
500 drop_forget_ref::DROP_REF,
501 drop_forget_ref::FORGET_COPY,
502 drop_forget_ref::FORGET_REF,
503 duration_subsec::DURATION_SUBSEC,
505 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
506 enum_variants::ENUM_VARIANT_NAMES,
507 enum_variants::MODULE_INCEPTION,
510 erasing_op::ERASING_OP,
512 eta_reduction::REDUNDANT_CLOSURE,
513 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
514 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
515 excessive_precision::EXCESSIVE_PRECISION,
516 explicit_write::EXPLICIT_WRITE,
517 format::USELESS_FORMAT,
518 formatting::POSSIBLE_MISSING_COMMA,
519 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
520 formatting::SUSPICIOUS_ELSE_FORMATTING,
521 functions::NOT_UNSAFE_PTR_ARG_DEREF,
522 functions::TOO_MANY_ARGUMENTS,
523 identity_conversion::IDENTITY_CONVERSION,
524 identity_op::IDENTITY_OP,
525 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
526 indexing_slicing::OUT_OF_BOUNDS_INDEXING,
527 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
528 infinite_iter::INFINITE_ITER,
529 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
530 int_plus_one::INT_PLUS_ONE,
531 invalid_ref::INVALID_REF,
532 large_enum_variant::LARGE_ENUM_VARIANT,
533 len_zero::LEN_WITHOUT_IS_EMPTY,
535 let_if_seq::USELESS_LET_IF_SEQ,
536 lifetimes::EXTRA_UNUSED_LIFETIMES,
537 lifetimes::NEEDLESS_LIFETIMES,
538 literal_representation::INCONSISTENT_DIGIT_GROUPING,
539 literal_representation::LARGE_DIGIT_GROUPS,
540 literal_representation::UNREADABLE_LITERAL,
542 loops::EXPLICIT_COUNTER_LOOP,
543 loops::EXPLICIT_INTO_ITER_LOOP,
544 loops::EXPLICIT_ITER_LOOP,
546 loops::FOR_LOOP_OVER_OPTION,
547 loops::FOR_LOOP_OVER_RESULT,
548 loops::ITER_NEXT_LOOP,
549 loops::MANUAL_MEMCPY,
550 loops::MUT_RANGE_BOUND,
551 loops::NEEDLESS_RANGE_LOOP,
553 loops::REVERSE_RANGE_LOOP,
554 loops::UNUSED_COLLECT,
555 loops::WHILE_IMMUTABLE_CONDITION,
556 loops::WHILE_LET_LOOP,
557 loops::WHILE_LET_ON_ITERATOR,
558 map_clone::MAP_CLONE,
559 map_unit_fn::OPTION_MAP_UNIT_FN,
560 map_unit_fn::RESULT_MAP_UNIT_FN,
561 matches::MATCH_AS_REF,
563 matches::MATCH_OVERLAPPING_ARM,
564 matches::MATCH_REF_PATS,
565 matches::MATCH_WILD_ERR_ARM,
566 matches::SINGLE_MATCH,
567 methods::CHARS_LAST_CMP,
568 methods::CHARS_NEXT_CMP,
569 methods::CLONE_DOUBLE_REF,
570 methods::CLONE_ON_COPY,
571 methods::EXPECT_FUN_CALL,
572 methods::FILTER_NEXT,
574 methods::ITER_CLONED_COLLECT,
576 methods::ITER_SKIP_NEXT,
577 methods::NEW_RET_NO_SELF,
579 methods::OPTION_MAP_OR_NONE,
580 methods::OR_FUN_CALL,
581 methods::SEARCH_IS_SOME,
582 methods::SHOULD_IMPLEMENT_TRAIT,
583 methods::SINGLE_CHAR_PATTERN,
584 methods::STRING_EXTEND_CHARS,
585 methods::TEMPORARY_CSTRING_AS_PTR,
586 methods::UNNECESSARY_FOLD,
587 methods::USELESS_ASREF,
588 methods::WRONG_SELF_CONVENTION,
594 misc::REDUNDANT_PATTERN,
595 misc::SHORT_CIRCUIT_STATEMENT,
596 misc::TOPLEVEL_REF_ARG,
598 misc_early::BUILTIN_TYPE_SHADOW,
599 misc_early::DOUBLE_NEG,
600 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
601 misc_early::MIXED_CASE_HEX_LITERALS,
602 misc_early::REDUNDANT_CLOSURE_CALL,
603 misc_early::UNNEEDED_FIELD_PATTERN,
604 misc_early::ZERO_PREFIXED_LITERAL,
605 mut_reference::UNNECESSARY_MUT_PASSED,
606 mutex_atomic::MUTEX_ATOMIC,
607 needless_bool::BOOL_COMPARISON,
608 needless_bool::NEEDLESS_BOOL,
609 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
610 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
611 needless_update::NEEDLESS_UPDATE,
612 neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
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_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
619 non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
620 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
621 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
622 ok_if_let::IF_LET_SOME_RESULT,
623 open_options::NONSENSICAL_OPEN_OPTIONS,
624 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
625 panic_unimplemented::PANIC_PARAMS,
626 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
627 precedence::PRECEDENCE,
631 question_mark::QUESTION_MARK,
632 ranges::ITERATOR_STEP_BY_ZERO,
633 ranges::RANGE_MINUS_ONE,
634 ranges::RANGE_ZIP_WITH_LEN,
635 redundant_field_names::REDUNDANT_FIELD_NAMES,
636 reference::DEREF_ADDROF,
637 reference::REF_IN_DEREF,
638 regex::INVALID_REGEX,
640 regex::TRIVIAL_REGEX,
641 returns::LET_AND_RETURN,
642 returns::NEEDLESS_RETURN,
643 serde_api::SERDE_API_MISUSE,
644 strings::STRING_LIT_AS_BYTES,
645 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
646 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
647 swap::ALMOST_SWAPPED,
649 temporary_assignment::TEMPORARY_ASSIGNMENT,
650 transmute::CROSSPOINTER_TRANSMUTE,
651 transmute::TRANSMUTE_BYTES_TO_STR,
652 transmute::TRANSMUTE_INT_TO_BOOL,
653 transmute::TRANSMUTE_INT_TO_CHAR,
654 transmute::TRANSMUTE_INT_TO_FLOAT,
655 transmute::TRANSMUTE_PTR_TO_PTR,
656 transmute::TRANSMUTE_PTR_TO_REF,
657 transmute::USELESS_TRANSMUTE,
658 transmute::WRONG_TRANSMUTE,
659 trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
660 types::ABSURD_EXTREME_COMPARISONS,
663 types::CAST_LOSSLESS,
664 types::CAST_PTR_ALIGNMENT,
665 types::CHAR_LIT_AS_U8,
666 types::FN_TO_NUMERIC_CAST,
667 types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
668 types::IMPLICIT_HASHER,
669 types::LET_UNIT_VALUE,
670 types::OPTION_OPTION,
671 types::TYPE_COMPLEXITY,
674 types::UNNECESSARY_CAST,
675 unicode::ZERO_WIDTH_SPACE,
676 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
677 unused_io_amount::UNUSED_IO_AMOUNT,
678 unused_label::UNUSED_LABEL,
680 write::PRINT_LITERAL,
681 write::PRINT_WITH_NEWLINE,
682 write::PRINTLN_EMPTY_STRING,
683 write::WRITE_LITERAL,
684 write::WRITE_WITH_NEWLINE,
685 write::WRITELN_EMPTY_STRING,
686 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
689 reg.register_lint_group("clippy_style", vec![
690 assign_ops::ASSIGN_OP_PATTERN,
691 bit_mask::VERBOSE_BIT_MASK,
692 blacklisted_name::BLACKLISTED_NAME,
693 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
694 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
695 collapsible_if::COLLAPSIBLE_IF,
696 const_static_lifetime::CONST_STATIC_LIFETIME,
697 enum_variants::ENUM_VARIANT_NAMES,
698 enum_variants::MODULE_INCEPTION,
700 eta_reduction::REDUNDANT_CLOSURE,
701 excessive_precision::EXCESSIVE_PRECISION,
702 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
703 formatting::SUSPICIOUS_ELSE_FORMATTING,
704 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
705 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
706 len_zero::LEN_WITHOUT_IS_EMPTY,
708 let_if_seq::USELESS_LET_IF_SEQ,
709 literal_representation::INCONSISTENT_DIGIT_GROUPING,
710 literal_representation::LARGE_DIGIT_GROUPS,
711 literal_representation::UNREADABLE_LITERAL,
713 loops::EXPLICIT_INTO_ITER_LOOP,
714 loops::EXPLICIT_ITER_LOOP,
716 loops::NEEDLESS_RANGE_LOOP,
717 loops::WHILE_LET_ON_ITERATOR,
718 map_clone::MAP_CLONE,
720 matches::MATCH_OVERLAPPING_ARM,
721 matches::MATCH_REF_PATS,
722 matches::MATCH_WILD_ERR_ARM,
723 matches::SINGLE_MATCH,
724 methods::CHARS_LAST_CMP,
726 methods::ITER_CLONED_COLLECT,
727 methods::ITER_SKIP_NEXT,
728 methods::NEW_RET_NO_SELF,
730 methods::OPTION_MAP_OR_NONE,
731 methods::SHOULD_IMPLEMENT_TRAIT,
732 methods::STRING_EXTEND_CHARS,
733 methods::UNNECESSARY_FOLD,
734 methods::WRONG_SELF_CONVENTION,
735 misc::REDUNDANT_PATTERN,
736 misc::TOPLEVEL_REF_ARG,
738 misc_early::BUILTIN_TYPE_SHADOW,
739 misc_early::DOUBLE_NEG,
740 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
741 misc_early::MIXED_CASE_HEX_LITERALS,
742 misc_early::UNNEEDED_FIELD_PATTERN,
743 mut_reference::UNNECESSARY_MUT_PASSED,
744 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
745 neg_multiply::NEG_MULTIPLY,
746 new_without_default::NEW_WITHOUT_DEFAULT,
747 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
748 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
749 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
750 ok_if_let::IF_LET_SOME_RESULT,
751 panic_unimplemented::PANIC_PARAMS,
754 question_mark::QUESTION_MARK,
755 ranges::RANGE_MINUS_ONE,
756 redundant_field_names::REDUNDANT_FIELD_NAMES,
758 regex::TRIVIAL_REGEX,
759 returns::LET_AND_RETURN,
760 returns::NEEDLESS_RETURN,
761 strings::STRING_LIT_AS_BYTES,
762 types::FN_TO_NUMERIC_CAST,
763 types::IMPLICIT_HASHER,
764 types::LET_UNIT_VALUE,
765 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
766 write::PRINT_LITERAL,
767 write::PRINT_WITH_NEWLINE,
768 write::PRINTLN_EMPTY_STRING,
769 write::WRITE_LITERAL,
770 write::WRITE_WITH_NEWLINE,
771 write::WRITELN_EMPTY_STRING,
774 reg.register_lint_group("clippy_complexity", vec![
775 assign_ops::MISREFACTORED_ASSIGN_OP,
776 booleans::NONMINIMAL_BOOL,
777 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
778 double_comparison::DOUBLE_COMPARISONS,
779 double_parens::DOUBLE_PARENS,
780 duration_subsec::DURATION_SUBSEC,
781 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
782 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
783 explicit_write::EXPLICIT_WRITE,
784 format::USELESS_FORMAT,
785 functions::TOO_MANY_ARGUMENTS,
786 identity_conversion::IDENTITY_CONVERSION,
787 identity_op::IDENTITY_OP,
788 int_plus_one::INT_PLUS_ONE,
789 lifetimes::EXTRA_UNUSED_LIFETIMES,
790 lifetimes::NEEDLESS_LIFETIMES,
791 loops::EXPLICIT_COUNTER_LOOP,
792 loops::MUT_RANGE_BOUND,
793 loops::WHILE_LET_LOOP,
794 map_unit_fn::OPTION_MAP_UNIT_FN,
795 map_unit_fn::RESULT_MAP_UNIT_FN,
796 matches::MATCH_AS_REF,
797 methods::CHARS_NEXT_CMP,
798 methods::CLONE_ON_COPY,
799 methods::FILTER_NEXT,
800 methods::SEARCH_IS_SOME,
801 methods::USELESS_ASREF,
802 misc::SHORT_CIRCUIT_STATEMENT,
803 misc_early::REDUNDANT_CLOSURE_CALL,
804 misc_early::ZERO_PREFIXED_LITERAL,
805 needless_bool::BOOL_COMPARISON,
806 needless_bool::NEEDLESS_BOOL,
807 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
808 needless_update::NEEDLESS_UPDATE,
809 neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
810 no_effect::NO_EFFECT,
811 no_effect::UNNECESSARY_OPERATION,
812 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
813 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
814 precedence::PRECEDENCE,
815 ranges::RANGE_ZIP_WITH_LEN,
816 reference::DEREF_ADDROF,
817 reference::REF_IN_DEREF,
819 temporary_assignment::TEMPORARY_ASSIGNMENT,
820 transmute::CROSSPOINTER_TRANSMUTE,
821 transmute::TRANSMUTE_BYTES_TO_STR,
822 transmute::TRANSMUTE_INT_TO_BOOL,
823 transmute::TRANSMUTE_INT_TO_CHAR,
824 transmute::TRANSMUTE_INT_TO_FLOAT,
825 transmute::TRANSMUTE_PTR_TO_PTR,
826 transmute::TRANSMUTE_PTR_TO_REF,
827 transmute::USELESS_TRANSMUTE,
829 types::CAST_LOSSLESS,
830 types::CHAR_LIT_AS_U8,
831 types::OPTION_OPTION,
832 types::TYPE_COMPLEXITY,
834 types::UNNECESSARY_CAST,
835 unused_label::UNUSED_LABEL,
836 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
839 reg.register_lint_group("clippy_correctness", vec![
840 approx_const::APPROX_CONSTANT,
841 attrs::DEPRECATED_SEMVER,
842 attrs::USELESS_ATTRIBUTE,
843 bit_mask::BAD_BIT_MASK,
844 bit_mask::INEFFECTIVE_BIT_MASK,
846 copies::IF_SAME_THEN_ELSE,
847 copies::IFS_SAME_COND,
848 derive::DERIVE_HASH_XOR_EQ,
849 drop_forget_ref::DROP_COPY,
850 drop_forget_ref::DROP_REF,
851 drop_forget_ref::FORGET_COPY,
852 drop_forget_ref::FORGET_REF,
853 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
855 erasing_op::ERASING_OP,
856 formatting::POSSIBLE_MISSING_COMMA,
857 functions::NOT_UNSAFE_PTR_ARG_DEREF,
858 indexing_slicing::OUT_OF_BOUNDS_INDEXING,
859 infinite_iter::INFINITE_ITER,
860 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
861 invalid_ref::INVALID_REF,
862 loops::FOR_LOOP_OVER_OPTION,
863 loops::FOR_LOOP_OVER_RESULT,
864 loops::ITER_NEXT_LOOP,
866 loops::REVERSE_RANGE_LOOP,
867 loops::WHILE_IMMUTABLE_CONDITION,
868 methods::CLONE_DOUBLE_REF,
869 methods::TEMPORARY_CSTRING_AS_PTR,
874 non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
875 non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
876 open_options::NONSENSICAL_OPEN_OPTIONS,
878 ranges::ITERATOR_STEP_BY_ZERO,
879 regex::INVALID_REGEX,
880 serde_api::SERDE_API_MISUSE,
881 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
882 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
883 swap::ALMOST_SWAPPED,
884 transmute::WRONG_TRANSMUTE,
885 types::ABSURD_EXTREME_COMPARISONS,
886 types::CAST_PTR_ALIGNMENT,
887 types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
889 unicode::ZERO_WIDTH_SPACE,
890 unused_io_amount::UNUSED_IO_AMOUNT,
893 reg.register_lint_group("clippy_perf", vec![
894 bytecount::NAIVE_BYTECOUNT,
897 large_enum_variant::LARGE_ENUM_VARIANT,
898 loops::MANUAL_MEMCPY,
899 loops::UNUSED_COLLECT,
900 methods::EXPECT_FUN_CALL,
902 methods::OR_FUN_CALL,
903 methods::SINGLE_CHAR_PATTERN,
905 mutex_atomic::MUTEX_ATOMIC,
906 trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
911 reg.register_lint_group("clippy_cargo", vec![
912 multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
915 reg.register_lint_group("clippy_nursery", vec![
916 attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
917 fallible_impl_from::FALLIBLE_IMPL_FROM,
918 mutex_atomic::MUTEX_INTEGER,
919 needless_borrow::NEEDLESS_BORROW,
920 ranges::RANGE_PLUS_ONE,
921 unwrap::PANICKING_UNWRAP,
922 unwrap::UNNECESSARY_UNWRAP,
926 // only exists to let the dogfood integration test works.
927 // Don't run clippy as an executable directly
928 #[allow(dead_code, print_stdout)]
930 panic!("Please use the cargo-clippy executable");