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)]
16 #![allow(macro_use_extern_crate)]
22 macro_rules! declare_clippy_lint {
23 { pub $name:tt, style, $description:tt } => {
24 declare_lint! { pub $name, Warn, $description }
26 { pub $name:tt, correctness, $description:tt } => {
27 declare_lint! { pub $name, Deny, $description }
29 { pub $name:tt, complexity, $description:tt } => {
30 declare_lint! { pub $name, Warn, $description }
32 { pub $name:tt, perf, $description:tt } => {
33 declare_lint! { pub $name, Warn, $description }
35 { pub $name:tt, pedantic, $description:tt } => {
36 declare_lint! { pub $name, Allow, $description }
38 { pub $name:tt, restriction, $description:tt } => {
39 declare_lint! { pub $name, Allow, $description }
41 { pub $name:tt, cargo, $description:tt } => {
42 declare_lint! { pub $name, Allow, $description }
44 { pub $name:tt, nursery, $description:tt } => {
45 declare_lint! { pub $name, Allow, $description }
47 { pub $name:tt, internal, $description:tt } => {
48 declare_lint! { pub $name, Allow, $description }
50 { pub $name:tt, internal_warn, $description:tt } => {
51 declare_lint! { pub $name, Warn, $description }
59 // begin lints modules, do not remove this comment, it’s used in `update_lints`
65 pub mod blacklisted_name;
66 pub mod block_in_if_condition;
69 pub mod collapsible_if;
70 pub mod const_static_lifetime;
72 pub mod cyclomatic_complexity;
73 pub mod default_trait_access;
76 pub mod double_comparison;
77 pub mod double_parens;
78 pub mod drop_forget_ref;
79 pub mod duration_subsec;
80 pub mod else_if_without_else;
84 pub mod enum_glob_use;
85 pub mod enum_variants;
89 pub mod eta_reduction;
90 pub mod eval_order_dependence;
91 pub mod excessive_precision;
92 pub mod explicit_write;
93 pub mod fallible_impl_from;
97 pub mod identity_conversion;
99 pub mod if_let_redundant_pattern_matching;
101 pub mod indexing_slicing;
102 pub mod infallible_destructuring_match;
103 pub mod infinite_iter;
104 pub mod inherent_impl;
105 pub mod inline_fn_without_body;
106 pub mod int_plus_one;
108 pub mod items_after_statements;
109 pub mod large_enum_variant;
113 pub mod literal_representation;
124 pub mod missing_inline;
125 pub mod multiple_crate_versions;
127 pub mod mut_reference;
128 pub mod mutex_atomic;
129 pub mod needless_bool;
130 pub mod needless_borrow;
131 pub mod needless_borrowed_ref;
132 pub mod needless_continue;
133 pub mod needless_pass_by_value;
134 pub mod needless_update;
135 pub mod neg_cmp_op_on_partial_ord;
136 pub mod neg_multiply;
137 pub mod new_without_default;
139 pub mod non_copy_const;
140 pub mod non_expressive_names;
142 pub mod open_options;
143 pub mod overflow_check_conditional;
144 pub mod panic_unimplemented;
145 pub mod partialeq_ne_impl;
148 pub mod question_mark;
150 pub mod redundant_field_names;
153 pub mod replace_consts;
158 pub mod suspicious_trait_impl;
160 pub mod temporary_assignment;
162 pub mod trivially_copy_pass_by_ref;
165 pub mod unsafe_removed_from_name;
166 pub mod unused_io_amount;
167 pub mod unused_label;
172 pub mod zero_div_zero;
173 // end lints modules, do not remove this comment, it’s used in `update_lints`
176 crate use syntax::ast::{Name, NodeId};
179 #[cfg_attr(rustfmt, rustfmt_skip)]
180 pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
181 let conf = match utils::conf::file_from_args(reg.args()) {
183 // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
184 // do not require the file to exist
185 let file_name = if let Some(file_name) = file_name {
188 match utils::conf::lookup_conf_file() {
191 reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
197 let file_name = file_name.map(|file_name| if file_name.is_relative() {
199 .local_crate_source_file
201 .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
208 let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
210 // all conf errors are non-fatal, we just use the default conf in case of error
211 for error in errors {
212 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();
217 Err((err, span)) => {
218 reg.sess.struct_span_err(span, err)
219 .span_note(span, "Clippy will use default configuration")
221 toml::from_str("").expect("we never error on empty config files")
225 let mut store = reg.sess.lint_store.borrow_mut();
226 store.register_removed(
228 "`assert!()` will be more flexible with RFC 2011",
230 store.register_removed(
232 "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
234 store.register_removed(
235 "range_step_by_zero",
236 "`iterator.step_by(0)` panics nowadays",
238 store.register_removed(
240 "`Vec::as_slice` has been stabilized in 1.7",
242 store.register_removed(
243 "unstable_as_mut_slice",
244 "`Vec::as_mut_slice` has been stabilized in 1.7",
246 store.register_removed(
248 "using `str::to_string` is common even today and specialization will likely happen soon",
250 store.register_removed(
252 "using `string::to_string` is common even today and specialization will likely happen soon",
254 store.register_removed(
255 "misaligned_transmute",
256 "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
258 // end deprecated lints, do not remove this comment, it’s used in `update_lints`
260 reg.register_late_lint_pass(box serde_api::Serde);
261 reg.register_early_lint_pass(box utils::internal_lints::Clippy);
262 reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
263 reg.register_late_lint_pass(box utils::inspector::Pass);
264 reg.register_late_lint_pass(box utils::author::Pass);
265 reg.register_late_lint_pass(box types::TypePass);
266 reg.register_late_lint_pass(box booleans::NonminimalBool);
267 reg.register_late_lint_pass(box eq_op::EqOp);
268 reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
269 reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
270 reg.register_late_lint_pass(box enum_clike::UnportableVariant);
271 reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
272 reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
273 reg.register_late_lint_pass(box ptr::PointerPass);
274 reg.register_late_lint_pass(box needless_bool::NeedlessBool);
275 reg.register_late_lint_pass(box needless_bool::BoolComparison);
276 reg.register_late_lint_pass(box approx_const::Pass);
277 reg.register_late_lint_pass(box misc::Pass);
278 reg.register_early_lint_pass(box precedence::Precedence);
279 reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
280 reg.register_late_lint_pass(box eta_reduction::EtaPass);
281 reg.register_late_lint_pass(box identity_op::IdentityOp);
282 reg.register_late_lint_pass(box erasing_op::ErasingOp);
283 reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
284 reg.register_late_lint_pass(box mut_mut::MutMut);
285 reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
286 reg.register_late_lint_pass(box len_zero::LenZero);
287 reg.register_late_lint_pass(box attrs::AttrPass);
288 reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
289 reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
290 reg.register_late_lint_pass(box unicode::Unicode);
291 reg.register_late_lint_pass(box strings::StringAdd);
292 reg.register_early_lint_pass(box returns::ReturnPass);
293 reg.register_late_lint_pass(box methods::Pass);
294 reg.register_late_lint_pass(box shadow::Pass);
295 reg.register_late_lint_pass(box types::LetPass);
296 reg.register_late_lint_pass(box types::UnitCmp);
297 reg.register_late_lint_pass(box loops::Pass);
298 reg.register_late_lint_pass(box lifetimes::LifetimePass);
299 reg.register_late_lint_pass(box entry::HashMapLint);
300 reg.register_late_lint_pass(box ranges::Pass);
301 reg.register_late_lint_pass(box types::CastPass);
302 reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
303 reg.register_late_lint_pass(box matches::MatchPass);
304 reg.register_late_lint_pass(box minmax::MinMaxPass);
305 reg.register_late_lint_pass(box open_options::NonSensical);
306 reg.register_late_lint_pass(box zero_div_zero::Pass);
307 reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
308 reg.register_late_lint_pass(box needless_update::Pass);
309 reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
310 reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
311 reg.register_late_lint_pass(box no_effect::Pass);
312 reg.register_late_lint_pass(box map_clone::Pass);
313 reg.register_late_lint_pass(box temporary_assignment::Pass);
314 reg.register_late_lint_pass(box transmute::Transmute);
315 reg.register_late_lint_pass(
316 box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
318 reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
319 reg.register_early_lint_pass(box misc_early::MiscEarly);
320 reg.register_late_lint_pass(box panic_unimplemented::Pass);
321 reg.register_late_lint_pass(box strings::StringLitAsBytes);
322 reg.register_late_lint_pass(box derive::Derive);
323 reg.register_late_lint_pass(box types::CharLitAsU8);
324 reg.register_late_lint_pass(box write::Pass);
325 reg.register_late_lint_pass(box vec::Pass);
326 reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
327 single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
329 reg.register_late_lint_pass(box drop_forget_ref::Pass);
330 reg.register_late_lint_pass(box empty_enum::EmptyEnum);
331 reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
332 reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
333 reg.register_late_lint_pass(box regex::Pass::default());
334 reg.register_late_lint_pass(box copies::CopyAndPaste);
335 reg.register_late_lint_pass(box format::Pass);
336 reg.register_early_lint_pass(box formatting::Formatting);
337 reg.register_late_lint_pass(box swap::Swap);
338 reg.register_early_lint_pass(box if_not_else::IfNotElse);
339 reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
340 reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
341 reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
342 reg.register_late_lint_pass(box unused_label::UnusedLabel);
343 reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
344 reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
345 reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
346 reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
347 reg.register_late_lint_pass(box neg_multiply::NegMultiply);
348 reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
349 reg.register_late_lint_pass(box mem_forget::MemForget);
350 reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
351 reg.register_late_lint_pass(box assign_ops::AssignOps);
352 reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
353 reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
354 reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
355 reg.register_late_lint_pass(box missing_inline::MissingInline);
356 reg.register_late_lint_pass(box ok_if_let::Pass);
357 reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
358 reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
359 reg.register_early_lint_pass(box reference::Pass);
360 reg.register_early_lint_pass(box reference::DerefPass);
361 reg.register_early_lint_pass(box double_parens::DoubleParens);
362 reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
363 reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
364 reg.register_late_lint_pass(box explicit_write::Pass);
365 reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
366 reg.register_late_lint_pass(box trivially_copy_pass_by_ref::TriviallyCopyPassByRef::new(
367 conf.trivial_copy_size_limit,
370 reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
371 reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
372 conf.literal_representation_threshold
374 reg.register_late_lint_pass(box use_self::UseSelf);
375 reg.register_late_lint_pass(box bytecount::ByteCount);
376 reg.register_late_lint_pass(box infinite_iter::Pass);
377 reg.register_late_lint_pass(box inline_fn_without_body::Pass);
378 reg.register_late_lint_pass(box invalid_ref::InvalidRef);
379 reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
380 reg.register_late_lint_pass(box types::ImplicitHasher);
381 reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
382 reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
383 reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
384 reg.register_late_lint_pass(box types::UnitArg);
385 reg.register_late_lint_pass(box double_comparison::DoubleComparisonPass);
386 reg.register_late_lint_pass(box question_mark::QuestionMarkPass);
387 reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
388 reg.register_late_lint_pass(box redundant_field_names::RedundantFieldNames);
389 reg.register_early_lint_pass(box multiple_crate_versions::Pass);
390 reg.register_late_lint_pass(box map_unit_fn::Pass);
391 reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
392 reg.register_late_lint_pass(box inherent_impl::Pass::default());
393 reg.register_late_lint_pass(box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd);
394 reg.register_late_lint_pass(box unwrap::Pass);
395 reg.register_late_lint_pass(box duration_subsec::DurationSubsec);
396 reg.register_late_lint_pass(box default_trait_access::DefaultTraitAccess);
397 reg.register_late_lint_pass(box indexing_slicing::IndexingSlicing);
398 reg.register_late_lint_pass(box non_copy_const::NonCopyConst);
400 reg.register_lint_group("clippy_restriction", vec![
401 arithmetic::FLOAT_ARITHMETIC,
402 arithmetic::INTEGER_ARITHMETIC,
403 assign_ops::ASSIGN_OPS,
404 else_if_without_else::ELSE_IF_WITHOUT_ELSE,
405 inherent_impl::MULTIPLE_INHERENT_IMPL,
406 literal_representation::DECIMAL_LITERAL_REPRESENTATION,
407 mem_forget::MEM_FORGET,
408 methods::CLONE_ON_REF_PTR,
409 methods::OPTION_UNWRAP_USED,
410 methods::RESULT_UNWRAP_USED,
411 methods::WRONG_PUB_SELF_CONVENTION,
412 misc::FLOAT_CMP_CONST,
413 missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
414 missing_inline::MISSING_INLINE_IN_PUBLIC_ITEMS,
415 panic_unimplemented::UNIMPLEMENTED,
416 shadow::SHADOW_REUSE,
418 shadow::SHADOW_UNRELATED,
424 reg.register_lint_group("clippy_pedantic", vec![
425 attrs::INLINE_ALWAYS,
426 copies::MATCH_SAME_ARMS,
427 default_trait_access::DEFAULT_TRAIT_ACCESS,
428 derive::EXPL_IMPL_CLONE_ON_COPY,
430 empty_enum::EMPTY_ENUM,
431 enum_glob_use::ENUM_GLOB_USE,
432 enum_variants::PUB_ENUM_VARIANT_NAMES,
433 enum_variants::STUTTER,
434 if_not_else::IF_NOT_ELSE,
435 indexing_slicing::INDEXING_SLICING,
436 infinite_iter::MAYBE_INFINITE_ITER,
437 items_after_statements::ITEMS_AFTER_STATEMENTS,
438 matches::SINGLE_MATCH_ELSE,
440 methods::OPTION_MAP_UNWRAP_OR,
441 methods::OPTION_MAP_UNWRAP_OR_ELSE,
442 methods::RESULT_MAP_UNWRAP_OR_ELSE,
443 misc::USED_UNDERSCORE_BINDING,
444 misc_early::UNSEPARATED_LITERAL_SUFFIX,
446 needless_continue::NEEDLESS_CONTINUE,
447 non_expressive_names::SIMILAR_NAMES,
448 replace_consts::REPLACE_CONSTS,
449 strings::STRING_ADD_ASSIGN,
450 types::CAST_POSSIBLE_TRUNCATION,
451 types::CAST_POSSIBLE_WRAP,
452 types::CAST_PRECISION_LOSS,
453 types::CAST_SIGN_LOSS,
454 types::INVALID_UPCAST_COMPARISONS,
456 unicode::NON_ASCII_LITERAL,
457 unicode::UNICODE_NOT_NFC,
461 reg.register_lint_group("clippy_internal", vec![
462 utils::internal_lints::CLIPPY_LINTS_INTERNAL,
463 utils::internal_lints::LINT_WITHOUT_LINT_PASS,
466 reg.register_lint_group("clippy", vec![
467 approx_const::APPROX_CONSTANT,
468 assign_ops::ASSIGN_OP_PATTERN,
469 assign_ops::MISREFACTORED_ASSIGN_OP,
470 attrs::DEPRECATED_SEMVER,
471 attrs::USELESS_ATTRIBUTE,
472 bit_mask::BAD_BIT_MASK,
473 bit_mask::INEFFECTIVE_BIT_MASK,
474 bit_mask::VERBOSE_BIT_MASK,
475 blacklisted_name::BLACKLISTED_NAME,
476 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
477 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
479 booleans::NONMINIMAL_BOOL,
480 bytecount::NAIVE_BYTECOUNT,
481 collapsible_if::COLLAPSIBLE_IF,
482 const_static_lifetime::CONST_STATIC_LIFETIME,
483 copies::IF_SAME_THEN_ELSE,
484 copies::IFS_SAME_COND,
485 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
486 derive::DERIVE_HASH_XOR_EQ,
487 double_comparison::DOUBLE_COMPARISONS,
488 double_parens::DOUBLE_PARENS,
489 drop_forget_ref::DROP_COPY,
490 drop_forget_ref::DROP_REF,
491 drop_forget_ref::FORGET_COPY,
492 drop_forget_ref::FORGET_REF,
493 duration_subsec::DURATION_SUBSEC,
495 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
496 enum_variants::ENUM_VARIANT_NAMES,
497 enum_variants::MODULE_INCEPTION,
500 erasing_op::ERASING_OP,
502 eta_reduction::REDUNDANT_CLOSURE,
503 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
504 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
505 excessive_precision::EXCESSIVE_PRECISION,
506 explicit_write::EXPLICIT_WRITE,
507 format::USELESS_FORMAT,
508 formatting::POSSIBLE_MISSING_COMMA,
509 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
510 formatting::SUSPICIOUS_ELSE_FORMATTING,
511 functions::NOT_UNSAFE_PTR_ARG_DEREF,
512 functions::TOO_MANY_ARGUMENTS,
513 identity_conversion::IDENTITY_CONVERSION,
514 identity_op::IDENTITY_OP,
515 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
516 indexing_slicing::OUT_OF_BOUNDS_INDEXING,
517 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
518 infinite_iter::INFINITE_ITER,
519 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
520 int_plus_one::INT_PLUS_ONE,
521 invalid_ref::INVALID_REF,
522 large_enum_variant::LARGE_ENUM_VARIANT,
523 len_zero::LEN_WITHOUT_IS_EMPTY,
525 let_if_seq::USELESS_LET_IF_SEQ,
526 lifetimes::EXTRA_UNUSED_LIFETIMES,
527 lifetimes::NEEDLESS_LIFETIMES,
528 literal_representation::INCONSISTENT_DIGIT_GROUPING,
529 literal_representation::LARGE_DIGIT_GROUPS,
530 literal_representation::UNREADABLE_LITERAL,
532 loops::EXPLICIT_COUNTER_LOOP,
533 loops::EXPLICIT_INTO_ITER_LOOP,
534 loops::EXPLICIT_ITER_LOOP,
536 loops::FOR_LOOP_OVER_OPTION,
537 loops::FOR_LOOP_OVER_RESULT,
538 loops::ITER_NEXT_LOOP,
539 loops::MANUAL_MEMCPY,
540 loops::MUT_RANGE_BOUND,
541 loops::NEEDLESS_RANGE_LOOP,
543 loops::REVERSE_RANGE_LOOP,
544 loops::UNUSED_COLLECT,
545 loops::WHILE_IMMUTABLE_CONDITION,
546 loops::WHILE_LET_LOOP,
547 loops::WHILE_LET_ON_ITERATOR,
548 map_clone::MAP_CLONE,
549 map_unit_fn::OPTION_MAP_UNIT_FN,
550 map_unit_fn::RESULT_MAP_UNIT_FN,
551 matches::MATCH_AS_REF,
553 matches::MATCH_OVERLAPPING_ARM,
554 matches::MATCH_REF_PATS,
555 matches::MATCH_WILD_ERR_ARM,
556 matches::SINGLE_MATCH,
557 methods::CHARS_LAST_CMP,
558 methods::CHARS_NEXT_CMP,
559 methods::CLONE_DOUBLE_REF,
560 methods::CLONE_ON_COPY,
561 methods::EXPECT_FUN_CALL,
562 methods::FILTER_NEXT,
564 methods::ITER_CLONED_COLLECT,
566 methods::ITER_SKIP_NEXT,
567 methods::NEW_RET_NO_SELF,
569 methods::OPTION_MAP_OR_NONE,
570 methods::OR_FUN_CALL,
571 methods::SEARCH_IS_SOME,
572 methods::SHOULD_IMPLEMENT_TRAIT,
573 methods::SINGLE_CHAR_PATTERN,
574 methods::STRING_EXTEND_CHARS,
575 methods::TEMPORARY_CSTRING_AS_PTR,
576 methods::UNNECESSARY_FOLD,
577 methods::USELESS_ASREF,
578 methods::WRONG_SELF_CONVENTION,
584 misc::REDUNDANT_PATTERN,
585 misc::SHORT_CIRCUIT_STATEMENT,
586 misc::TOPLEVEL_REF_ARG,
588 misc_early::BUILTIN_TYPE_SHADOW,
589 misc_early::DOUBLE_NEG,
590 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
591 misc_early::MIXED_CASE_HEX_LITERALS,
592 misc_early::REDUNDANT_CLOSURE_CALL,
593 misc_early::UNNEEDED_FIELD_PATTERN,
594 misc_early::ZERO_PREFIXED_LITERAL,
595 mut_reference::UNNECESSARY_MUT_PASSED,
596 mutex_atomic::MUTEX_ATOMIC,
597 needless_bool::BOOL_COMPARISON,
598 needless_bool::NEEDLESS_BOOL,
599 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
600 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
601 needless_update::NEEDLESS_UPDATE,
602 neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
603 neg_multiply::NEG_MULTIPLY,
604 new_without_default::NEW_WITHOUT_DEFAULT,
605 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
606 no_effect::NO_EFFECT,
607 no_effect::UNNECESSARY_OPERATION,
608 non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
609 non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
610 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
611 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
612 ok_if_let::IF_LET_SOME_RESULT,
613 open_options::NONSENSICAL_OPEN_OPTIONS,
614 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
615 panic_unimplemented::PANIC_PARAMS,
616 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
617 precedence::PRECEDENCE,
621 question_mark::QUESTION_MARK,
622 ranges::ITERATOR_STEP_BY_ZERO,
623 ranges::RANGE_MINUS_ONE,
624 ranges::RANGE_ZIP_WITH_LEN,
625 redundant_field_names::REDUNDANT_FIELD_NAMES,
626 reference::DEREF_ADDROF,
627 reference::REF_IN_DEREF,
628 regex::INVALID_REGEX,
630 regex::TRIVIAL_REGEX,
631 returns::LET_AND_RETURN,
632 returns::NEEDLESS_RETURN,
633 serde_api::SERDE_API_MISUSE,
634 strings::STRING_LIT_AS_BYTES,
635 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
636 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
637 swap::ALMOST_SWAPPED,
639 temporary_assignment::TEMPORARY_ASSIGNMENT,
640 transmute::CROSSPOINTER_TRANSMUTE,
641 transmute::TRANSMUTE_BYTES_TO_STR,
642 transmute::TRANSMUTE_INT_TO_BOOL,
643 transmute::TRANSMUTE_INT_TO_CHAR,
644 transmute::TRANSMUTE_INT_TO_FLOAT,
645 transmute::TRANSMUTE_PTR_TO_PTR,
646 transmute::TRANSMUTE_PTR_TO_REF,
647 transmute::USELESS_TRANSMUTE,
648 transmute::WRONG_TRANSMUTE,
649 trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
650 types::ABSURD_EXTREME_COMPARISONS,
653 types::CAST_LOSSLESS,
654 types::CAST_PTR_ALIGNMENT,
655 types::CHAR_LIT_AS_U8,
656 types::FN_TO_NUMERIC_CAST,
657 types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
658 types::IMPLICIT_HASHER,
659 types::LET_UNIT_VALUE,
660 types::OPTION_OPTION,
661 types::TYPE_COMPLEXITY,
664 types::UNNECESSARY_CAST,
665 unicode::ZERO_WIDTH_SPACE,
666 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
667 unused_io_amount::UNUSED_IO_AMOUNT,
668 unused_label::UNUSED_LABEL,
670 write::PRINT_LITERAL,
671 write::PRINT_WITH_NEWLINE,
672 write::PRINTLN_EMPTY_STRING,
673 write::WRITE_LITERAL,
674 write::WRITE_WITH_NEWLINE,
675 write::WRITELN_EMPTY_STRING,
676 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
679 reg.register_lint_group("clippy_style", vec![
680 assign_ops::ASSIGN_OP_PATTERN,
681 bit_mask::VERBOSE_BIT_MASK,
682 blacklisted_name::BLACKLISTED_NAME,
683 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
684 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
685 collapsible_if::COLLAPSIBLE_IF,
686 const_static_lifetime::CONST_STATIC_LIFETIME,
687 enum_variants::ENUM_VARIANT_NAMES,
688 enum_variants::MODULE_INCEPTION,
690 eta_reduction::REDUNDANT_CLOSURE,
691 excessive_precision::EXCESSIVE_PRECISION,
692 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
693 formatting::SUSPICIOUS_ELSE_FORMATTING,
694 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
695 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
696 len_zero::LEN_WITHOUT_IS_EMPTY,
698 let_if_seq::USELESS_LET_IF_SEQ,
699 literal_representation::INCONSISTENT_DIGIT_GROUPING,
700 literal_representation::LARGE_DIGIT_GROUPS,
701 literal_representation::UNREADABLE_LITERAL,
703 loops::EXPLICIT_INTO_ITER_LOOP,
704 loops::EXPLICIT_ITER_LOOP,
706 loops::NEEDLESS_RANGE_LOOP,
707 loops::WHILE_LET_ON_ITERATOR,
708 map_clone::MAP_CLONE,
710 matches::MATCH_OVERLAPPING_ARM,
711 matches::MATCH_REF_PATS,
712 matches::MATCH_WILD_ERR_ARM,
713 matches::SINGLE_MATCH,
714 methods::CHARS_LAST_CMP,
716 methods::ITER_CLONED_COLLECT,
717 methods::ITER_SKIP_NEXT,
718 methods::NEW_RET_NO_SELF,
720 methods::OPTION_MAP_OR_NONE,
721 methods::SHOULD_IMPLEMENT_TRAIT,
722 methods::STRING_EXTEND_CHARS,
723 methods::UNNECESSARY_FOLD,
724 methods::WRONG_SELF_CONVENTION,
725 misc::REDUNDANT_PATTERN,
726 misc::TOPLEVEL_REF_ARG,
728 misc_early::BUILTIN_TYPE_SHADOW,
729 misc_early::DOUBLE_NEG,
730 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
731 misc_early::MIXED_CASE_HEX_LITERALS,
732 misc_early::UNNEEDED_FIELD_PATTERN,
733 mut_reference::UNNECESSARY_MUT_PASSED,
734 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
735 neg_multiply::NEG_MULTIPLY,
736 new_without_default::NEW_WITHOUT_DEFAULT,
737 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
738 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
739 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
740 ok_if_let::IF_LET_SOME_RESULT,
741 panic_unimplemented::PANIC_PARAMS,
744 question_mark::QUESTION_MARK,
745 ranges::RANGE_MINUS_ONE,
746 redundant_field_names::REDUNDANT_FIELD_NAMES,
748 regex::TRIVIAL_REGEX,
749 returns::LET_AND_RETURN,
750 returns::NEEDLESS_RETURN,
751 strings::STRING_LIT_AS_BYTES,
752 types::FN_TO_NUMERIC_CAST,
753 types::IMPLICIT_HASHER,
754 types::LET_UNIT_VALUE,
755 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
756 write::PRINT_LITERAL,
757 write::PRINT_WITH_NEWLINE,
758 write::PRINTLN_EMPTY_STRING,
759 write::WRITE_LITERAL,
760 write::WRITE_WITH_NEWLINE,
761 write::WRITELN_EMPTY_STRING,
764 reg.register_lint_group("clippy_complexity", vec![
765 assign_ops::MISREFACTORED_ASSIGN_OP,
766 booleans::NONMINIMAL_BOOL,
767 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
768 double_comparison::DOUBLE_COMPARISONS,
769 double_parens::DOUBLE_PARENS,
770 duration_subsec::DURATION_SUBSEC,
771 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
772 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
773 explicit_write::EXPLICIT_WRITE,
774 format::USELESS_FORMAT,
775 functions::TOO_MANY_ARGUMENTS,
776 identity_conversion::IDENTITY_CONVERSION,
777 identity_op::IDENTITY_OP,
778 int_plus_one::INT_PLUS_ONE,
779 lifetimes::EXTRA_UNUSED_LIFETIMES,
780 lifetimes::NEEDLESS_LIFETIMES,
781 loops::EXPLICIT_COUNTER_LOOP,
782 loops::MUT_RANGE_BOUND,
783 loops::WHILE_LET_LOOP,
784 map_unit_fn::OPTION_MAP_UNIT_FN,
785 map_unit_fn::RESULT_MAP_UNIT_FN,
786 matches::MATCH_AS_REF,
787 methods::CHARS_NEXT_CMP,
788 methods::CLONE_ON_COPY,
789 methods::FILTER_NEXT,
790 methods::SEARCH_IS_SOME,
791 methods::USELESS_ASREF,
792 misc::SHORT_CIRCUIT_STATEMENT,
793 misc_early::REDUNDANT_CLOSURE_CALL,
794 misc_early::ZERO_PREFIXED_LITERAL,
795 needless_bool::BOOL_COMPARISON,
796 needless_bool::NEEDLESS_BOOL,
797 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
798 needless_update::NEEDLESS_UPDATE,
799 neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
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,
807 reference::REF_IN_DEREF,
809 temporary_assignment::TEMPORARY_ASSIGNMENT,
810 transmute::CROSSPOINTER_TRANSMUTE,
811 transmute::TRANSMUTE_BYTES_TO_STR,
812 transmute::TRANSMUTE_INT_TO_BOOL,
813 transmute::TRANSMUTE_INT_TO_CHAR,
814 transmute::TRANSMUTE_INT_TO_FLOAT,
815 transmute::TRANSMUTE_PTR_TO_PTR,
816 transmute::TRANSMUTE_PTR_TO_REF,
817 transmute::USELESS_TRANSMUTE,
819 types::CAST_LOSSLESS,
820 types::CHAR_LIT_AS_U8,
821 types::OPTION_OPTION,
822 types::TYPE_COMPLEXITY,
824 types::UNNECESSARY_CAST,
825 unused_label::UNUSED_LABEL,
826 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
829 reg.register_lint_group("clippy_correctness", vec![
830 approx_const::APPROX_CONSTANT,
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 indexing_slicing::OUT_OF_BOUNDS_INDEXING,
849 infinite_iter::INFINITE_ITER,
850 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
851 invalid_ref::INVALID_REF,
852 loops::FOR_LOOP_OVER_OPTION,
853 loops::FOR_LOOP_OVER_RESULT,
854 loops::ITER_NEXT_LOOP,
856 loops::REVERSE_RANGE_LOOP,
857 loops::WHILE_IMMUTABLE_CONDITION,
858 methods::CLONE_DOUBLE_REF,
859 methods::TEMPORARY_CSTRING_AS_PTR,
864 non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
865 non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
866 open_options::NONSENSICAL_OPEN_OPTIONS,
868 ranges::ITERATOR_STEP_BY_ZERO,
869 regex::INVALID_REGEX,
870 serde_api::SERDE_API_MISUSE,
871 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
872 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
873 swap::ALMOST_SWAPPED,
874 transmute::WRONG_TRANSMUTE,
875 types::ABSURD_EXTREME_COMPARISONS,
876 types::CAST_PTR_ALIGNMENT,
877 types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
879 unicode::ZERO_WIDTH_SPACE,
880 unused_io_amount::UNUSED_IO_AMOUNT,
883 reg.register_lint_group("clippy_perf", vec![
884 bytecount::NAIVE_BYTECOUNT,
887 large_enum_variant::LARGE_ENUM_VARIANT,
888 loops::MANUAL_MEMCPY,
889 loops::UNUSED_COLLECT,
890 methods::EXPECT_FUN_CALL,
892 methods::OR_FUN_CALL,
893 methods::SINGLE_CHAR_PATTERN,
895 mutex_atomic::MUTEX_ATOMIC,
896 trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
901 reg.register_lint_group("clippy_cargo", vec![
902 multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
905 reg.register_lint_group("clippy_nursery", vec![
906 attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
907 fallible_impl_from::FALLIBLE_IMPL_FROM,
908 mutex_atomic::MUTEX_INTEGER,
909 needless_borrow::NEEDLESS_BORROW,
910 ranges::RANGE_PLUS_ONE,
911 unwrap::PANICKING_UNWRAP,
912 unwrap::UNNECESSARY_UNWRAP,
916 // only exists to let the dogfood integration test works.
917 // Don't run clippy as an executable directly
918 #[allow(dead_code, print_stdout)]
920 panic!("Please use the cargo-clippy executable");