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