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;
114 pub mod default_trait_access;
117 pub mod double_comparison;
118 pub mod double_parens;
119 pub mod drop_forget_ref;
120 pub mod duration_subsec;
121 pub mod else_if_without_else;
125 pub mod enum_glob_use;
126 pub mod enum_variants;
130 pub mod eta_reduction;
131 pub mod eval_order_dependence;
132 pub mod excessive_precision;
133 pub mod explicit_write;
134 pub mod fallible_impl_from;
138 pub mod identity_conversion;
140 pub mod if_let_redundant_pattern_matching;
142 pub mod infallible_destructuring_match;
143 pub mod infinite_iter;
144 pub mod inherent_impl;
145 pub mod inline_fn_without_body;
146 pub mod int_plus_one;
148 pub mod items_after_statements;
149 pub mod large_enum_variant;
153 pub mod literal_representation;
164 pub mod multiple_crate_versions;
166 pub mod mut_reference;
167 pub mod mutex_atomic;
168 pub mod needless_bool;
169 pub mod needless_borrow;
170 pub mod needless_borrowed_ref;
171 pub mod needless_continue;
172 pub mod needless_pass_by_value;
173 pub mod needless_update;
174 pub mod neg_cmp_op_on_partial_ord;
175 pub mod neg_multiply;
176 pub mod new_without_default;
178 pub mod non_expressive_names;
180 pub mod open_options;
181 pub mod overflow_check_conditional;
182 pub mod panic_unimplemented;
183 pub mod partialeq_ne_impl;
186 pub mod question_mark;
188 pub mod redundant_field_names;
191 pub mod replace_consts;
196 pub mod suspicious_trait_impl;
198 pub mod temporary_assignment;
200 pub mod trivially_copy_pass_by_ref;
203 pub mod unsafe_removed_from_name;
204 pub mod unused_io_amount;
205 pub mod unused_label;
210 pub mod zero_div_zero;
211 // end lints modules, do not remove this comment, it’s used in `update_lints`
214 pub use syntax::ast::{Name, NodeId};
217 #[cfg_attr(rustfmt, rustfmt_skip)]
218 pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
219 let conf = match utils::conf::file_from_args(reg.args()) {
221 // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
222 // do not require the file to exist
223 let file_name = if let Some(file_name) = file_name {
226 match utils::conf::lookup_conf_file() {
229 reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
235 let file_name = file_name.map(|file_name| if file_name.is_relative() {
237 .local_crate_source_file
239 .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
246 let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
248 // all conf errors are non-fatal, we just use the default conf in case of error
249 for error in errors {
250 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();
255 Err((err, span)) => {
256 reg.sess.struct_span_err(span, err)
257 .span_note(span, "Clippy will use default configuration")
259 toml::from_str("").expect("we never error on empty config files")
263 let mut store = reg.sess.lint_store.borrow_mut();
264 store.register_removed(
266 "`assert!()` will be more flexible with RFC 2011",
268 store.register_removed(
270 "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
272 store.register_removed(
273 "range_step_by_zero",
274 "`iterator.step_by(0)` panics nowadays",
276 store.register_removed(
278 "`Vec::as_slice` has been stabilized in 1.7",
280 store.register_removed(
281 "unstable_as_mut_slice",
282 "`Vec::as_mut_slice` has been stabilized in 1.7",
284 store.register_removed(
286 "using `str::to_string` is common even today and specialization will likely happen soon",
288 store.register_removed(
290 "using `string::to_string` is common even today and specialization will likely happen soon",
292 store.register_removed(
293 "misaligned_transmute",
294 "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
296 // end deprecated lints, do not remove this comment, it’s used in `update_lints`
298 reg.register_late_lint_pass(box serde_api::Serde);
299 reg.register_early_lint_pass(box utils::internal_lints::Clippy);
300 reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
301 reg.register_late_lint_pass(box utils::inspector::Pass);
302 reg.register_late_lint_pass(box utils::author::Pass);
303 reg.register_late_lint_pass(box types::TypePass);
304 reg.register_late_lint_pass(box booleans::NonminimalBool);
305 reg.register_late_lint_pass(box eq_op::EqOp);
306 reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
307 reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
308 reg.register_late_lint_pass(box enum_clike::UnportableVariant);
309 reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
310 reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
311 reg.register_late_lint_pass(box ptr::PointerPass);
312 reg.register_late_lint_pass(box needless_bool::NeedlessBool);
313 reg.register_late_lint_pass(box needless_bool::BoolComparison);
314 reg.register_late_lint_pass(box approx_const::Pass);
315 reg.register_late_lint_pass(box misc::Pass);
316 reg.register_early_lint_pass(box precedence::Precedence);
317 reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
318 reg.register_late_lint_pass(box eta_reduction::EtaPass);
319 reg.register_late_lint_pass(box identity_op::IdentityOp);
320 reg.register_late_lint_pass(box erasing_op::ErasingOp);
321 reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
322 reg.register_late_lint_pass(box mut_mut::MutMut);
323 reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
324 reg.register_late_lint_pass(box len_zero::LenZero);
325 reg.register_late_lint_pass(box attrs::AttrPass);
326 reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
327 reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
328 reg.register_late_lint_pass(box unicode::Unicode);
329 reg.register_late_lint_pass(box strings::StringAdd);
330 reg.register_early_lint_pass(box returns::ReturnPass);
331 reg.register_late_lint_pass(box methods::Pass);
332 reg.register_late_lint_pass(box shadow::Pass);
333 reg.register_late_lint_pass(box types::LetPass);
334 reg.register_late_lint_pass(box types::UnitCmp);
335 reg.register_late_lint_pass(box loops::Pass);
336 reg.register_late_lint_pass(box lifetimes::LifetimePass);
337 reg.register_late_lint_pass(box entry::HashMapLint);
338 reg.register_late_lint_pass(box ranges::Pass);
339 reg.register_late_lint_pass(box types::CastPass);
340 reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
341 reg.register_late_lint_pass(box matches::MatchPass);
342 reg.register_late_lint_pass(box minmax::MinMaxPass);
343 reg.register_late_lint_pass(box open_options::NonSensical);
344 reg.register_late_lint_pass(box zero_div_zero::Pass);
345 reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
346 reg.register_late_lint_pass(box needless_update::Pass);
347 reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
348 reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
349 reg.register_late_lint_pass(box no_effect::Pass);
350 reg.register_late_lint_pass(box map_clone::Pass);
351 reg.register_late_lint_pass(box temporary_assignment::Pass);
352 reg.register_late_lint_pass(box transmute::Transmute);
353 reg.register_late_lint_pass(
354 box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
356 reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
357 reg.register_early_lint_pass(box misc_early::MiscEarly);
358 reg.register_late_lint_pass(box array_indexing::ArrayIndexing);
359 reg.register_late_lint_pass(box panic_unimplemented::Pass);
360 reg.register_late_lint_pass(box strings::StringLitAsBytes);
361 reg.register_late_lint_pass(box derive::Derive);
362 reg.register_late_lint_pass(box types::CharLitAsU8);
363 reg.register_late_lint_pass(box write::Pass);
364 reg.register_late_lint_pass(box vec::Pass);
365 reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
366 single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
368 reg.register_late_lint_pass(box drop_forget_ref::Pass);
369 reg.register_late_lint_pass(box empty_enum::EmptyEnum);
370 reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
371 reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
372 reg.register_late_lint_pass(box regex::Pass::default());
373 reg.register_late_lint_pass(box copies::CopyAndPaste);
374 reg.register_late_lint_pass(box format::Pass);
375 reg.register_early_lint_pass(box formatting::Formatting);
376 reg.register_late_lint_pass(box swap::Swap);
377 reg.register_early_lint_pass(box if_not_else::IfNotElse);
378 reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
379 reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
380 reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
381 reg.register_late_lint_pass(box unused_label::UnusedLabel);
382 reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
383 reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
384 reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
385 reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
386 reg.register_late_lint_pass(box neg_multiply::NegMultiply);
387 reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
388 reg.register_late_lint_pass(box mem_forget::MemForget);
389 reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
390 reg.register_late_lint_pass(box assign_ops::AssignOps);
391 reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
392 reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
393 reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
394 reg.register_late_lint_pass(box ok_if_let::Pass);
395 reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
396 reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
397 reg.register_early_lint_pass(box reference::Pass);
398 reg.register_early_lint_pass(box reference::DerefPass);
399 reg.register_early_lint_pass(box double_parens::DoubleParens);
400 reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
401 reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
402 reg.register_late_lint_pass(box explicit_write::Pass);
403 reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
404 reg.register_late_lint_pass(box trivially_copy_pass_by_ref::TriviallyCopyPassByRef::new(
405 conf.trivial_copy_size_limit,
408 reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
409 reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
410 conf.literal_representation_threshold
412 reg.register_late_lint_pass(box use_self::UseSelf);
413 reg.register_late_lint_pass(box bytecount::ByteCount);
414 reg.register_late_lint_pass(box infinite_iter::Pass);
415 reg.register_late_lint_pass(box inline_fn_without_body::Pass);
416 reg.register_late_lint_pass(box invalid_ref::InvalidRef);
417 reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
418 reg.register_late_lint_pass(box types::ImplicitHasher);
419 reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
420 reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
421 reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
422 reg.register_late_lint_pass(box types::UnitArg);
423 reg.register_late_lint_pass(box double_comparison::DoubleComparisonPass);
424 reg.register_late_lint_pass(box question_mark::QuestionMarkPass);
425 reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
426 reg.register_late_lint_pass(box redundant_field_names::RedundantFieldNames);
427 reg.register_early_lint_pass(box multiple_crate_versions::Pass);
428 reg.register_late_lint_pass(box map_unit_fn::Pass);
429 reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
430 reg.register_late_lint_pass(box inherent_impl::Pass::default());
431 reg.register_late_lint_pass(box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd);
432 reg.register_late_lint_pass(box unwrap::Pass);
433 reg.register_late_lint_pass(box duration_subsec::DurationSubsec);
434 reg.register_late_lint_pass(box default_trait_access::DefaultTraitAccess);
437 reg.register_lint_group("clippy_restriction", vec![
438 arithmetic::FLOAT_ARITHMETIC,
439 arithmetic::INTEGER_ARITHMETIC,
440 array_indexing::INDEXING_SLICING,
441 assign_ops::ASSIGN_OPS,
442 else_if_without_else::ELSE_IF_WITHOUT_ELSE,
443 inherent_impl::MULTIPLE_INHERENT_IMPL,
444 literal_representation::DECIMAL_LITERAL_REPRESENTATION,
445 mem_forget::MEM_FORGET,
446 methods::CLONE_ON_REF_PTR,
447 methods::OPTION_UNWRAP_USED,
448 methods::RESULT_UNWRAP_USED,
449 methods::WRONG_PUB_SELF_CONVENTION,
450 misc::FLOAT_CMP_CONST,
451 missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
452 panic_unimplemented::UNIMPLEMENTED,
453 shadow::SHADOW_REUSE,
455 shadow::SHADOW_UNRELATED,
461 reg.register_lint_group("clippy_pedantic", vec![
462 attrs::INLINE_ALWAYS,
463 copies::MATCH_SAME_ARMS,
464 derive::EXPL_IMPL_CLONE_ON_COPY,
466 empty_enum::EMPTY_ENUM,
467 enum_glob_use::ENUM_GLOB_USE,
468 enum_variants::PUB_ENUM_VARIANT_NAMES,
469 enum_variants::STUTTER,
470 if_not_else::IF_NOT_ELSE,
471 infinite_iter::MAYBE_INFINITE_ITER,
472 items_after_statements::ITEMS_AFTER_STATEMENTS,
473 matches::SINGLE_MATCH_ELSE,
475 methods::OPTION_MAP_UNWRAP_OR,
476 methods::OPTION_MAP_UNWRAP_OR_ELSE,
477 methods::RESULT_MAP_UNWRAP_OR_ELSE,
478 misc::USED_UNDERSCORE_BINDING,
479 misc_early::UNSEPARATED_LITERAL_SUFFIX,
481 needless_continue::NEEDLESS_CONTINUE,
482 non_expressive_names::SIMILAR_NAMES,
483 replace_consts::REPLACE_CONSTS,
484 strings::STRING_ADD_ASSIGN,
485 types::CAST_POSSIBLE_TRUNCATION,
486 types::CAST_POSSIBLE_WRAP,
487 types::CAST_PRECISION_LOSS,
488 types::CAST_SIGN_LOSS,
489 types::INVALID_UPCAST_COMPARISONS,
491 unicode::NON_ASCII_LITERAL,
492 unicode::UNICODE_NOT_NFC,
496 reg.register_lint_group("clippy_internal", vec![
497 utils::internal_lints::CLIPPY_LINTS_INTERNAL,
498 utils::internal_lints::LINT_WITHOUT_LINT_PASS,
501 reg.register_lint_group("clippy", vec![
502 approx_const::APPROX_CONSTANT,
503 array_indexing::OUT_OF_BOUNDS_INDEXING,
504 assign_ops::ASSIGN_OP_PATTERN,
505 assign_ops::MISREFACTORED_ASSIGN_OP,
506 attrs::DEPRECATED_SEMVER,
507 attrs::USELESS_ATTRIBUTE,
508 bit_mask::BAD_BIT_MASK,
509 bit_mask::INEFFECTIVE_BIT_MASK,
510 bit_mask::VERBOSE_BIT_MASK,
511 blacklisted_name::BLACKLISTED_NAME,
512 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
513 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
515 booleans::NONMINIMAL_BOOL,
516 bytecount::NAIVE_BYTECOUNT,
517 collapsible_if::COLLAPSIBLE_IF,
518 const_static_lifetime::CONST_STATIC_LIFETIME,
519 copies::IF_SAME_THEN_ELSE,
520 copies::IFS_SAME_COND,
521 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
522 default_trait_access::DEFAULT_TRAIT_ACCESS,
523 derive::DERIVE_HASH_XOR_EQ,
524 double_comparison::DOUBLE_COMPARISONS,
525 double_parens::DOUBLE_PARENS,
526 drop_forget_ref::DROP_COPY,
527 drop_forget_ref::DROP_REF,
528 drop_forget_ref::FORGET_COPY,
529 drop_forget_ref::FORGET_REF,
530 duration_subsec::DURATION_SUBSEC,
532 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
533 enum_variants::ENUM_VARIANT_NAMES,
534 enum_variants::MODULE_INCEPTION,
537 erasing_op::ERASING_OP,
539 eta_reduction::REDUNDANT_CLOSURE,
540 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
541 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
542 excessive_precision::EXCESSIVE_PRECISION,
543 explicit_write::EXPLICIT_WRITE,
544 format::USELESS_FORMAT,
545 formatting::POSSIBLE_MISSING_COMMA,
546 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
547 formatting::SUSPICIOUS_ELSE_FORMATTING,
548 functions::NOT_UNSAFE_PTR_ARG_DEREF,
549 functions::TOO_MANY_ARGUMENTS,
550 identity_conversion::IDENTITY_CONVERSION,
551 identity_op::IDENTITY_OP,
552 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
553 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
554 infinite_iter::INFINITE_ITER,
555 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
556 int_plus_one::INT_PLUS_ONE,
557 invalid_ref::INVALID_REF,
558 large_enum_variant::LARGE_ENUM_VARIANT,
559 len_zero::LEN_WITHOUT_IS_EMPTY,
561 let_if_seq::USELESS_LET_IF_SEQ,
562 lifetimes::EXTRA_UNUSED_LIFETIMES,
563 lifetimes::NEEDLESS_LIFETIMES,
564 literal_representation::INCONSISTENT_DIGIT_GROUPING,
565 literal_representation::LARGE_DIGIT_GROUPS,
566 literal_representation::UNREADABLE_LITERAL,
568 loops::EXPLICIT_COUNTER_LOOP,
569 loops::EXPLICIT_INTO_ITER_LOOP,
570 loops::EXPLICIT_ITER_LOOP,
572 loops::FOR_LOOP_OVER_OPTION,
573 loops::FOR_LOOP_OVER_RESULT,
574 loops::ITER_NEXT_LOOP,
575 loops::MANUAL_MEMCPY,
576 loops::MUT_RANGE_BOUND,
577 loops::NEEDLESS_RANGE_LOOP,
579 loops::REVERSE_RANGE_LOOP,
580 loops::UNUSED_COLLECT,
581 loops::WHILE_IMMUTABLE_CONDITION,
582 loops::WHILE_LET_LOOP,
583 loops::WHILE_LET_ON_ITERATOR,
584 map_clone::MAP_CLONE,
585 map_unit_fn::OPTION_MAP_UNIT_FN,
586 map_unit_fn::RESULT_MAP_UNIT_FN,
587 matches::MATCH_AS_REF,
589 matches::MATCH_OVERLAPPING_ARM,
590 matches::MATCH_REF_PATS,
591 matches::MATCH_WILD_ERR_ARM,
592 matches::SINGLE_MATCH,
593 methods::CHARS_LAST_CMP,
594 methods::CHARS_NEXT_CMP,
595 methods::CLONE_DOUBLE_REF,
596 methods::CLONE_ON_COPY,
597 methods::EXPECT_FUN_CALL,
598 methods::FILTER_NEXT,
600 methods::ITER_CLONED_COLLECT,
602 methods::ITER_SKIP_NEXT,
603 methods::NEW_RET_NO_SELF,
605 methods::OPTION_MAP_OR_NONE,
606 methods::OR_FUN_CALL,
607 methods::SEARCH_IS_SOME,
608 methods::SHOULD_IMPLEMENT_TRAIT,
609 methods::SINGLE_CHAR_PATTERN,
610 methods::STRING_EXTEND_CHARS,
611 methods::TEMPORARY_CSTRING_AS_PTR,
612 methods::UNNECESSARY_FOLD,
613 methods::USELESS_ASREF,
614 methods::WRONG_SELF_CONVENTION,
620 misc::REDUNDANT_PATTERN,
621 misc::SHORT_CIRCUIT_STATEMENT,
622 misc::TOPLEVEL_REF_ARG,
624 misc_early::BUILTIN_TYPE_SHADOW,
625 misc_early::DOUBLE_NEG,
626 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
627 misc_early::MIXED_CASE_HEX_LITERALS,
628 misc_early::REDUNDANT_CLOSURE_CALL,
629 misc_early::UNNEEDED_FIELD_PATTERN,
630 misc_early::ZERO_PREFIXED_LITERAL,
631 mut_reference::UNNECESSARY_MUT_PASSED,
632 mutex_atomic::MUTEX_ATOMIC,
633 needless_bool::BOOL_COMPARISON,
634 needless_bool::NEEDLESS_BOOL,
635 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
636 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
637 needless_update::NEEDLESS_UPDATE,
638 neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
639 neg_multiply::NEG_MULTIPLY,
640 new_without_default::NEW_WITHOUT_DEFAULT,
641 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
642 no_effect::NO_EFFECT,
643 no_effect::UNNECESSARY_OPERATION,
644 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
645 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
646 ok_if_let::IF_LET_SOME_RESULT,
647 open_options::NONSENSICAL_OPEN_OPTIONS,
648 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
649 panic_unimplemented::PANIC_PARAMS,
650 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
651 precedence::PRECEDENCE,
655 question_mark::QUESTION_MARK,
656 ranges::ITERATOR_STEP_BY_ZERO,
657 ranges::RANGE_MINUS_ONE,
658 ranges::RANGE_ZIP_WITH_LEN,
659 redundant_field_names::REDUNDANT_FIELD_NAMES,
660 reference::DEREF_ADDROF,
661 reference::REF_IN_DEREF,
662 regex::INVALID_REGEX,
664 regex::TRIVIAL_REGEX,
665 returns::LET_AND_RETURN,
666 returns::NEEDLESS_RETURN,
667 serde_api::SERDE_API_MISUSE,
668 strings::STRING_LIT_AS_BYTES,
669 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
670 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
671 swap::ALMOST_SWAPPED,
673 temporary_assignment::TEMPORARY_ASSIGNMENT,
674 transmute::CROSSPOINTER_TRANSMUTE,
675 transmute::TRANSMUTE_BYTES_TO_STR,
676 transmute::TRANSMUTE_INT_TO_BOOL,
677 transmute::TRANSMUTE_INT_TO_CHAR,
678 transmute::TRANSMUTE_INT_TO_FLOAT,
679 transmute::TRANSMUTE_PTR_TO_PTR,
680 transmute::TRANSMUTE_PTR_TO_REF,
681 transmute::USELESS_TRANSMUTE,
682 transmute::WRONG_TRANSMUTE,
683 trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
684 types::ABSURD_EXTREME_COMPARISONS,
687 types::CAST_LOSSLESS,
688 types::CAST_PTR_ALIGNMENT,
689 types::CHAR_LIT_AS_U8,
690 types::FN_TO_NUMERIC_CAST,
691 types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
692 types::IMPLICIT_HASHER,
693 types::LET_UNIT_VALUE,
694 types::OPTION_OPTION,
695 types::TYPE_COMPLEXITY,
698 types::UNNECESSARY_CAST,
699 unicode::ZERO_WIDTH_SPACE,
700 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
701 unused_io_amount::UNUSED_IO_AMOUNT,
702 unused_label::UNUSED_LABEL,
704 write::PRINT_LITERAL,
705 write::PRINT_WITH_NEWLINE,
706 write::PRINTLN_EMPTY_STRING,
707 write::WRITE_LITERAL,
708 write::WRITE_WITH_NEWLINE,
709 write::WRITELN_EMPTY_STRING,
710 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
713 reg.register_lint_group("clippy_style", vec![
714 assign_ops::ASSIGN_OP_PATTERN,
715 bit_mask::VERBOSE_BIT_MASK,
716 blacklisted_name::BLACKLISTED_NAME,
717 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
718 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
719 collapsible_if::COLLAPSIBLE_IF,
720 const_static_lifetime::CONST_STATIC_LIFETIME,
721 default_trait_access::DEFAULT_TRAIT_ACCESS,
722 enum_variants::ENUM_VARIANT_NAMES,
723 enum_variants::MODULE_INCEPTION,
725 eta_reduction::REDUNDANT_CLOSURE,
726 excessive_precision::EXCESSIVE_PRECISION,
727 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
728 formatting::SUSPICIOUS_ELSE_FORMATTING,
729 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
730 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
731 len_zero::LEN_WITHOUT_IS_EMPTY,
733 let_if_seq::USELESS_LET_IF_SEQ,
734 literal_representation::INCONSISTENT_DIGIT_GROUPING,
735 literal_representation::LARGE_DIGIT_GROUPS,
736 literal_representation::UNREADABLE_LITERAL,
738 loops::EXPLICIT_INTO_ITER_LOOP,
739 loops::EXPLICIT_ITER_LOOP,
741 loops::NEEDLESS_RANGE_LOOP,
742 loops::WHILE_LET_ON_ITERATOR,
743 map_clone::MAP_CLONE,
745 matches::MATCH_OVERLAPPING_ARM,
746 matches::MATCH_REF_PATS,
747 matches::MATCH_WILD_ERR_ARM,
748 matches::SINGLE_MATCH,
749 methods::CHARS_LAST_CMP,
751 methods::ITER_CLONED_COLLECT,
752 methods::ITER_SKIP_NEXT,
753 methods::NEW_RET_NO_SELF,
755 methods::OPTION_MAP_OR_NONE,
756 methods::SHOULD_IMPLEMENT_TRAIT,
757 methods::STRING_EXTEND_CHARS,
758 methods::UNNECESSARY_FOLD,
759 methods::WRONG_SELF_CONVENTION,
760 misc::REDUNDANT_PATTERN,
761 misc::TOPLEVEL_REF_ARG,
763 misc_early::BUILTIN_TYPE_SHADOW,
764 misc_early::DOUBLE_NEG,
765 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
766 misc_early::MIXED_CASE_HEX_LITERALS,
767 misc_early::UNNEEDED_FIELD_PATTERN,
768 mut_reference::UNNECESSARY_MUT_PASSED,
769 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
770 neg_multiply::NEG_MULTIPLY,
771 new_without_default::NEW_WITHOUT_DEFAULT,
772 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
773 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
774 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
775 ok_if_let::IF_LET_SOME_RESULT,
776 panic_unimplemented::PANIC_PARAMS,
779 question_mark::QUESTION_MARK,
780 ranges::RANGE_MINUS_ONE,
781 redundant_field_names::REDUNDANT_FIELD_NAMES,
783 regex::TRIVIAL_REGEX,
784 returns::LET_AND_RETURN,
785 returns::NEEDLESS_RETURN,
786 strings::STRING_LIT_AS_BYTES,
787 types::FN_TO_NUMERIC_CAST,
788 types::IMPLICIT_HASHER,
789 types::LET_UNIT_VALUE,
790 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
791 write::PRINT_LITERAL,
792 write::PRINT_WITH_NEWLINE,
793 write::PRINTLN_EMPTY_STRING,
794 write::WRITE_LITERAL,
795 write::WRITE_WITH_NEWLINE,
796 write::WRITELN_EMPTY_STRING,
799 reg.register_lint_group("clippy_complexity", vec![
800 assign_ops::MISREFACTORED_ASSIGN_OP,
801 booleans::NONMINIMAL_BOOL,
802 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
803 double_comparison::DOUBLE_COMPARISONS,
804 double_parens::DOUBLE_PARENS,
805 duration_subsec::DURATION_SUBSEC,
806 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
807 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
808 explicit_write::EXPLICIT_WRITE,
809 format::USELESS_FORMAT,
810 functions::TOO_MANY_ARGUMENTS,
811 identity_conversion::IDENTITY_CONVERSION,
812 identity_op::IDENTITY_OP,
813 int_plus_one::INT_PLUS_ONE,
814 lifetimes::EXTRA_UNUSED_LIFETIMES,
815 lifetimes::NEEDLESS_LIFETIMES,
816 loops::EXPLICIT_COUNTER_LOOP,
817 loops::MUT_RANGE_BOUND,
818 loops::WHILE_LET_LOOP,
819 map_unit_fn::OPTION_MAP_UNIT_FN,
820 map_unit_fn::RESULT_MAP_UNIT_FN,
821 matches::MATCH_AS_REF,
822 methods::CHARS_NEXT_CMP,
823 methods::CLONE_ON_COPY,
824 methods::FILTER_NEXT,
825 methods::SEARCH_IS_SOME,
826 methods::USELESS_ASREF,
827 misc::SHORT_CIRCUIT_STATEMENT,
828 misc_early::REDUNDANT_CLOSURE_CALL,
829 misc_early::ZERO_PREFIXED_LITERAL,
830 needless_bool::BOOL_COMPARISON,
831 needless_bool::NEEDLESS_BOOL,
832 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
833 needless_update::NEEDLESS_UPDATE,
834 neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
835 no_effect::NO_EFFECT,
836 no_effect::UNNECESSARY_OPERATION,
837 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
838 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
839 precedence::PRECEDENCE,
840 ranges::RANGE_ZIP_WITH_LEN,
841 reference::DEREF_ADDROF,
842 reference::REF_IN_DEREF,
844 temporary_assignment::TEMPORARY_ASSIGNMENT,
845 transmute::CROSSPOINTER_TRANSMUTE,
846 transmute::TRANSMUTE_BYTES_TO_STR,
847 transmute::TRANSMUTE_INT_TO_BOOL,
848 transmute::TRANSMUTE_INT_TO_CHAR,
849 transmute::TRANSMUTE_INT_TO_FLOAT,
850 transmute::TRANSMUTE_PTR_TO_PTR,
851 transmute::TRANSMUTE_PTR_TO_REF,
852 transmute::USELESS_TRANSMUTE,
854 types::CAST_LOSSLESS,
855 types::CHAR_LIT_AS_U8,
856 types::OPTION_OPTION,
857 types::TYPE_COMPLEXITY,
859 types::UNNECESSARY_CAST,
860 unused_label::UNUSED_LABEL,
861 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
864 reg.register_lint_group("clippy_correctness", vec![
865 approx_const::APPROX_CONSTANT,
866 array_indexing::OUT_OF_BOUNDS_INDEXING,
867 attrs::DEPRECATED_SEMVER,
868 attrs::USELESS_ATTRIBUTE,
869 bit_mask::BAD_BIT_MASK,
870 bit_mask::INEFFECTIVE_BIT_MASK,
872 copies::IF_SAME_THEN_ELSE,
873 copies::IFS_SAME_COND,
874 derive::DERIVE_HASH_XOR_EQ,
875 drop_forget_ref::DROP_COPY,
876 drop_forget_ref::DROP_REF,
877 drop_forget_ref::FORGET_COPY,
878 drop_forget_ref::FORGET_REF,
879 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
881 erasing_op::ERASING_OP,
882 formatting::POSSIBLE_MISSING_COMMA,
883 functions::NOT_UNSAFE_PTR_ARG_DEREF,
884 infinite_iter::INFINITE_ITER,
885 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
886 invalid_ref::INVALID_REF,
887 loops::FOR_LOOP_OVER_OPTION,
888 loops::FOR_LOOP_OVER_RESULT,
889 loops::ITER_NEXT_LOOP,
891 loops::REVERSE_RANGE_LOOP,
892 loops::WHILE_IMMUTABLE_CONDITION,
893 methods::CLONE_DOUBLE_REF,
894 methods::TEMPORARY_CSTRING_AS_PTR,
899 open_options::NONSENSICAL_OPEN_OPTIONS,
901 ranges::ITERATOR_STEP_BY_ZERO,
902 regex::INVALID_REGEX,
903 serde_api::SERDE_API_MISUSE,
904 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
905 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
906 swap::ALMOST_SWAPPED,
907 transmute::WRONG_TRANSMUTE,
908 types::ABSURD_EXTREME_COMPARISONS,
909 types::CAST_PTR_ALIGNMENT,
910 types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
912 unicode::ZERO_WIDTH_SPACE,
913 unused_io_amount::UNUSED_IO_AMOUNT,
916 reg.register_lint_group("clippy_perf", vec![
917 bytecount::NAIVE_BYTECOUNT,
920 large_enum_variant::LARGE_ENUM_VARIANT,
921 loops::MANUAL_MEMCPY,
922 loops::UNUSED_COLLECT,
923 methods::EXPECT_FUN_CALL,
925 methods::OR_FUN_CALL,
926 methods::SINGLE_CHAR_PATTERN,
928 mutex_atomic::MUTEX_ATOMIC,
929 trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
934 reg.register_lint_group("clippy_cargo", vec![
935 multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
938 reg.register_lint_group("clippy_nursery", vec![
939 attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
940 fallible_impl_from::FALLIBLE_IMPL_FROM,
941 mutex_atomic::MUTEX_INTEGER,
942 needless_borrow::NEEDLESS_BORROW,
943 ranges::RANGE_PLUS_ONE,
944 unwrap::PANICKING_UNWRAP,
945 unwrap::UNNECESSARY_UNWRAP,
949 // only exists to let the dogfood integration test works.
950 // Don't run clippy as an executable directly
951 #[allow(dead_code, print_stdout)]
953 panic!("Please use the cargo-clippy executable");