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;
116 pub mod double_comparison;
117 pub mod double_parens;
118 pub mod drop_forget_ref;
119 pub mod else_if_without_else;
123 pub mod enum_glob_use;
124 pub mod enum_variants;
128 pub mod eta_reduction;
129 pub mod eval_order_dependence;
130 pub mod excessive_precision;
131 pub mod explicit_write;
132 pub mod fallible_impl_from;
136 pub mod identity_conversion;
138 pub mod if_let_redundant_pattern_matching;
140 pub mod infallible_destructuring_match;
141 pub mod infinite_iter;
142 pub mod inherent_impl;
143 pub mod inline_fn_without_body;
144 pub mod int_plus_one;
146 pub mod items_after_statements;
147 pub mod large_enum_variant;
151 pub mod literal_representation;
162 pub mod multiple_crate_versions;
164 pub mod mut_reference;
165 pub mod mutex_atomic;
166 pub mod needless_bool;
167 pub mod needless_borrow;
168 pub mod needless_borrowed_ref;
169 pub mod needless_continue;
170 pub mod needless_pass_by_value;
171 pub mod needless_update;
172 pub mod neg_cmp_op_on_partial_ord;
173 pub mod neg_multiply;
174 pub mod new_without_default;
176 pub mod non_expressive_names;
178 pub mod open_options;
179 pub mod overflow_check_conditional;
180 pub mod panic_unimplemented;
181 pub mod partialeq_ne_impl;
184 pub mod question_mark;
186 pub mod redundant_field_names;
189 pub mod replace_consts;
194 pub mod suspicious_trait_impl;
196 pub mod temporary_assignment;
200 pub mod unsafe_removed_from_name;
201 pub mod unused_io_amount;
202 pub mod unused_label;
207 pub mod zero_div_zero;
208 // end lints modules, do not remove this comment, it’s used in `update_lints`
211 pub use syntax::ast::{Name, NodeId};
214 #[cfg_attr(rustfmt, rustfmt_skip)]
215 pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
216 let conf = match utils::conf::file_from_args(reg.args()) {
218 // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
219 // do not require the file to exist
220 let file_name = if let Some(file_name) = file_name {
223 match utils::conf::lookup_conf_file() {
226 reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
232 let file_name = file_name.map(|file_name| if file_name.is_relative() {
234 .local_crate_source_file
236 .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
243 let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
245 // all conf errors are non-fatal, we just use the default conf in case of error
246 for error in errors {
247 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();
252 Err((err, span)) => {
253 reg.sess.struct_span_err(span, err)
254 .span_note(span, "Clippy will use default configuration")
256 toml::from_str("").expect("we never error on empty config files")
260 let mut store = reg.sess.lint_store.borrow_mut();
261 store.register_removed(
263 "`assert!()` will be more flexible with RFC 2011",
265 store.register_removed(
267 "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
269 store.register_removed(
270 "range_step_by_zero",
271 "`iterator.step_by(0)` panics nowadays",
273 store.register_removed(
275 "`Vec::as_slice` has been stabilized in 1.7",
277 store.register_removed(
278 "unstable_as_mut_slice",
279 "`Vec::as_mut_slice` has been stabilized in 1.7",
281 store.register_removed(
283 "using `str::to_string` is common even today and specialization will likely happen soon",
285 store.register_removed(
287 "using `string::to_string` is common even today and specialization will likely happen soon",
289 store.register_removed(
290 "misaligned_transmute",
291 "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
293 // end deprecated lints, do not remove this comment, it’s used in `update_lints`
295 reg.register_late_lint_pass(box serde_api::Serde);
296 reg.register_early_lint_pass(box utils::internal_lints::Clippy);
297 reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
298 reg.register_late_lint_pass(box utils::inspector::Pass);
299 reg.register_late_lint_pass(box utils::author::Pass);
300 reg.register_late_lint_pass(box types::TypePass);
301 reg.register_late_lint_pass(box booleans::NonminimalBool);
302 reg.register_late_lint_pass(box eq_op::EqOp);
303 reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
304 reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
305 reg.register_late_lint_pass(box enum_clike::UnportableVariant);
306 reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
307 reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
308 reg.register_late_lint_pass(box ptr::PointerPass);
309 reg.register_late_lint_pass(box needless_bool::NeedlessBool);
310 reg.register_late_lint_pass(box needless_bool::BoolComparison);
311 reg.register_late_lint_pass(box approx_const::Pass);
312 reg.register_late_lint_pass(box misc::Pass);
313 reg.register_early_lint_pass(box precedence::Precedence);
314 reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
315 reg.register_late_lint_pass(box eta_reduction::EtaPass);
316 reg.register_late_lint_pass(box identity_op::IdentityOp);
317 reg.register_late_lint_pass(box erasing_op::ErasingOp);
318 reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
319 reg.register_late_lint_pass(box mut_mut::MutMut);
320 reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
321 reg.register_late_lint_pass(box len_zero::LenZero);
322 reg.register_late_lint_pass(box attrs::AttrPass);
323 reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
324 reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
325 reg.register_late_lint_pass(box unicode::Unicode);
326 reg.register_late_lint_pass(box strings::StringAdd);
327 reg.register_early_lint_pass(box returns::ReturnPass);
328 reg.register_late_lint_pass(box methods::Pass);
329 reg.register_late_lint_pass(box shadow::Pass);
330 reg.register_late_lint_pass(box types::LetPass);
331 reg.register_late_lint_pass(box types::UnitCmp);
332 reg.register_late_lint_pass(box loops::Pass);
333 reg.register_late_lint_pass(box lifetimes::LifetimePass);
334 reg.register_late_lint_pass(box entry::HashMapLint);
335 reg.register_late_lint_pass(box ranges::Pass);
336 reg.register_late_lint_pass(box types::CastPass);
337 reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
338 reg.register_late_lint_pass(box matches::MatchPass);
339 reg.register_late_lint_pass(box minmax::MinMaxPass);
340 reg.register_late_lint_pass(box open_options::NonSensical);
341 reg.register_late_lint_pass(box zero_div_zero::Pass);
342 reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
343 reg.register_late_lint_pass(box needless_update::Pass);
344 reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
345 reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
346 reg.register_late_lint_pass(box no_effect::Pass);
347 reg.register_late_lint_pass(box map_clone::Pass);
348 reg.register_late_lint_pass(box temporary_assignment::Pass);
349 reg.register_late_lint_pass(box transmute::Transmute);
350 reg.register_late_lint_pass(
351 box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
353 reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
354 reg.register_early_lint_pass(box misc_early::MiscEarly);
355 reg.register_late_lint_pass(box array_indexing::ArrayIndexing);
356 reg.register_late_lint_pass(box panic_unimplemented::Pass);
357 reg.register_late_lint_pass(box strings::StringLitAsBytes);
358 reg.register_late_lint_pass(box derive::Derive);
359 reg.register_late_lint_pass(box types::CharLitAsU8);
360 reg.register_late_lint_pass(box write::Pass);
361 reg.register_late_lint_pass(box vec::Pass);
362 reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
363 single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
365 reg.register_late_lint_pass(box drop_forget_ref::Pass);
366 reg.register_late_lint_pass(box empty_enum::EmptyEnum);
367 reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
368 reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
369 reg.register_late_lint_pass(box regex::Pass::default());
370 reg.register_late_lint_pass(box copies::CopyAndPaste);
371 reg.register_late_lint_pass(box format::Pass);
372 reg.register_early_lint_pass(box formatting::Formatting);
373 reg.register_late_lint_pass(box swap::Swap);
374 reg.register_early_lint_pass(box if_not_else::IfNotElse);
375 reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
376 reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
377 reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
378 reg.register_late_lint_pass(box unused_label::UnusedLabel);
379 reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
380 reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
381 reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
382 reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
383 reg.register_late_lint_pass(box neg_multiply::NegMultiply);
384 reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
385 reg.register_late_lint_pass(box mem_forget::MemForget);
386 reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
387 reg.register_late_lint_pass(box assign_ops::AssignOps);
388 reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
389 reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
390 reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
391 reg.register_late_lint_pass(box ok_if_let::Pass);
392 reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
393 reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
394 reg.register_early_lint_pass(box reference::Pass);
395 reg.register_early_lint_pass(box reference::DerefPass);
396 reg.register_early_lint_pass(box double_parens::DoubleParens);
397 reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
398 reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
399 reg.register_late_lint_pass(box explicit_write::Pass);
400 reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
401 reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
402 reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
403 conf.literal_representation_threshold
405 reg.register_late_lint_pass(box use_self::UseSelf);
406 reg.register_late_lint_pass(box bytecount::ByteCount);
407 reg.register_late_lint_pass(box infinite_iter::Pass);
408 reg.register_late_lint_pass(box inline_fn_without_body::Pass);
409 reg.register_late_lint_pass(box invalid_ref::InvalidRef);
410 reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
411 reg.register_late_lint_pass(box types::ImplicitHasher);
412 reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
413 reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
414 reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
415 reg.register_late_lint_pass(box types::UnitArg);
416 reg.register_late_lint_pass(box double_comparison::DoubleComparisonPass);
417 reg.register_late_lint_pass(box question_mark::QuestionMarkPass);
418 reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
419 reg.register_late_lint_pass(box redundant_field_names::RedundantFieldNames);
420 reg.register_early_lint_pass(box multiple_crate_versions::Pass);
421 reg.register_late_lint_pass(box map_unit_fn::Pass);
422 reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
423 reg.register_late_lint_pass(box inherent_impl::Pass::default());
424 reg.register_late_lint_pass(box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd);
425 reg.register_late_lint_pass(box unwrap::Pass);
428 reg.register_lint_group("clippy_restriction", vec![
429 arithmetic::FLOAT_ARITHMETIC,
430 arithmetic::INTEGER_ARITHMETIC,
431 array_indexing::INDEXING_SLICING,
432 assign_ops::ASSIGN_OPS,
433 else_if_without_else::ELSE_IF_WITHOUT_ELSE,
434 inherent_impl::MULTIPLE_INHERENT_IMPL,
435 literal_representation::DECIMAL_LITERAL_REPRESENTATION,
436 mem_forget::MEM_FORGET,
437 methods::CLONE_ON_REF_PTR,
438 methods::OPTION_UNWRAP_USED,
439 methods::RESULT_UNWRAP_USED,
440 methods::WRONG_PUB_SELF_CONVENTION,
441 misc::FLOAT_CMP_CONST,
442 missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
443 panic_unimplemented::UNIMPLEMENTED,
444 shadow::SHADOW_REUSE,
446 shadow::SHADOW_UNRELATED,
452 reg.register_lint_group("clippy_pedantic", vec![
453 attrs::INLINE_ALWAYS,
454 copies::MATCH_SAME_ARMS,
455 derive::EXPL_IMPL_CLONE_ON_COPY,
457 empty_enum::EMPTY_ENUM,
458 enum_glob_use::ENUM_GLOB_USE,
459 enum_variants::PUB_ENUM_VARIANT_NAMES,
460 enum_variants::STUTTER,
461 if_not_else::IF_NOT_ELSE,
462 infinite_iter::MAYBE_INFINITE_ITER,
463 items_after_statements::ITEMS_AFTER_STATEMENTS,
464 matches::SINGLE_MATCH_ELSE,
466 methods::OPTION_MAP_UNWRAP_OR,
467 methods::OPTION_MAP_UNWRAP_OR_ELSE,
468 methods::RESULT_MAP_UNWRAP_OR_ELSE,
469 misc::USED_UNDERSCORE_BINDING,
470 misc_early::UNSEPARATED_LITERAL_SUFFIX,
472 needless_continue::NEEDLESS_CONTINUE,
473 non_expressive_names::SIMILAR_NAMES,
474 replace_consts::REPLACE_CONSTS,
475 strings::STRING_ADD_ASSIGN,
476 types::CAST_POSSIBLE_TRUNCATION,
477 types::CAST_POSSIBLE_WRAP,
478 types::CAST_PRECISION_LOSS,
479 types::CAST_SIGN_LOSS,
480 types::INVALID_UPCAST_COMPARISONS,
482 unicode::NON_ASCII_LITERAL,
483 unicode::UNICODE_NOT_NFC,
487 reg.register_lint_group("clippy_internal", vec![
488 utils::internal_lints::CLIPPY_LINTS_INTERNAL,
489 utils::internal_lints::LINT_WITHOUT_LINT_PASS,
492 reg.register_lint_group("clippy", vec![
493 approx_const::APPROX_CONSTANT,
494 array_indexing::OUT_OF_BOUNDS_INDEXING,
495 assign_ops::ASSIGN_OP_PATTERN,
496 assign_ops::MISREFACTORED_ASSIGN_OP,
497 attrs::DEPRECATED_SEMVER,
498 attrs::USELESS_ATTRIBUTE,
499 bit_mask::BAD_BIT_MASK,
500 bit_mask::INEFFECTIVE_BIT_MASK,
501 bit_mask::VERBOSE_BIT_MASK,
502 blacklisted_name::BLACKLISTED_NAME,
503 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
504 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
506 booleans::NONMINIMAL_BOOL,
507 bytecount::NAIVE_BYTECOUNT,
508 collapsible_if::COLLAPSIBLE_IF,
509 const_static_lifetime::CONST_STATIC_LIFETIME,
510 copies::IF_SAME_THEN_ELSE,
511 copies::IFS_SAME_COND,
512 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
513 derive::DERIVE_HASH_XOR_EQ,
514 double_comparison::DOUBLE_COMPARISONS,
515 double_parens::DOUBLE_PARENS,
516 drop_forget_ref::DROP_COPY,
517 drop_forget_ref::DROP_REF,
518 drop_forget_ref::FORGET_COPY,
519 drop_forget_ref::FORGET_REF,
521 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
522 enum_variants::ENUM_VARIANT_NAMES,
523 enum_variants::MODULE_INCEPTION,
526 erasing_op::ERASING_OP,
528 eta_reduction::REDUNDANT_CLOSURE,
529 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
530 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
531 excessive_precision::EXCESSIVE_PRECISION,
532 explicit_write::EXPLICIT_WRITE,
533 format::USELESS_FORMAT,
534 formatting::POSSIBLE_MISSING_COMMA,
535 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
536 formatting::SUSPICIOUS_ELSE_FORMATTING,
537 functions::NOT_UNSAFE_PTR_ARG_DEREF,
538 functions::TOO_MANY_ARGUMENTS,
539 identity_conversion::IDENTITY_CONVERSION,
540 identity_op::IDENTITY_OP,
541 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
542 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
543 infinite_iter::INFINITE_ITER,
544 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
545 int_plus_one::INT_PLUS_ONE,
546 invalid_ref::INVALID_REF,
547 large_enum_variant::LARGE_ENUM_VARIANT,
548 len_zero::LEN_WITHOUT_IS_EMPTY,
550 let_if_seq::USELESS_LET_IF_SEQ,
551 lifetimes::EXTRA_UNUSED_LIFETIMES,
552 lifetimes::NEEDLESS_LIFETIMES,
553 literal_representation::INCONSISTENT_DIGIT_GROUPING,
554 literal_representation::LARGE_DIGIT_GROUPS,
555 literal_representation::UNREADABLE_LITERAL,
557 loops::EXPLICIT_COUNTER_LOOP,
558 loops::EXPLICIT_INTO_ITER_LOOP,
559 loops::EXPLICIT_ITER_LOOP,
561 loops::FOR_LOOP_OVER_OPTION,
562 loops::FOR_LOOP_OVER_RESULT,
563 loops::ITER_NEXT_LOOP,
564 loops::MANUAL_MEMCPY,
565 loops::MUT_RANGE_BOUND,
566 loops::NEEDLESS_RANGE_LOOP,
568 loops::REVERSE_RANGE_LOOP,
569 loops::UNUSED_COLLECT,
570 loops::WHILE_IMMUTABLE_CONDITION,
571 loops::WHILE_LET_LOOP,
572 loops::WHILE_LET_ON_ITERATOR,
573 map_clone::MAP_CLONE,
574 map_unit_fn::OPTION_MAP_UNIT_FN,
575 map_unit_fn::RESULT_MAP_UNIT_FN,
576 matches::MATCH_AS_REF,
578 matches::MATCH_OVERLAPPING_ARM,
579 matches::MATCH_REF_PATS,
580 matches::MATCH_WILD_ERR_ARM,
581 matches::SINGLE_MATCH,
582 methods::CHARS_LAST_CMP,
583 methods::CHARS_NEXT_CMP,
584 methods::CLONE_DOUBLE_REF,
585 methods::CLONE_ON_COPY,
586 methods::FILTER_NEXT,
588 methods::ITER_CLONED_COLLECT,
590 methods::ITER_SKIP_NEXT,
591 methods::NEW_RET_NO_SELF,
593 methods::OPTION_MAP_OR_NONE,
594 methods::OR_FUN_CALL,
595 methods::EXPECT_FUN_CALL,
596 methods::SEARCH_IS_SOME,
597 methods::SHOULD_IMPLEMENT_TRAIT,
598 methods::SINGLE_CHAR_PATTERN,
599 methods::STRING_EXTEND_CHARS,
600 methods::TEMPORARY_CSTRING_AS_PTR,
601 methods::UNNECESSARY_FOLD,
602 methods::USELESS_ASREF,
603 methods::WRONG_SELF_CONVENTION,
609 misc::REDUNDANT_PATTERN,
610 misc::SHORT_CIRCUIT_STATEMENT,
611 misc::TOPLEVEL_REF_ARG,
613 misc_early::BUILTIN_TYPE_SHADOW,
614 misc_early::DOUBLE_NEG,
615 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
616 misc_early::MIXED_CASE_HEX_LITERALS,
617 misc_early::REDUNDANT_CLOSURE_CALL,
618 misc_early::UNNEEDED_FIELD_PATTERN,
619 misc_early::ZERO_PREFIXED_LITERAL,
620 mut_reference::UNNECESSARY_MUT_PASSED,
621 mutex_atomic::MUTEX_ATOMIC,
622 needless_bool::BOOL_COMPARISON,
623 needless_bool::NEEDLESS_BOOL,
624 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
625 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
626 needless_update::NEEDLESS_UPDATE,
627 neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
628 neg_multiply::NEG_MULTIPLY,
629 new_without_default::NEW_WITHOUT_DEFAULT,
630 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
631 no_effect::NO_EFFECT,
632 no_effect::UNNECESSARY_OPERATION,
633 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
634 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
635 ok_if_let::IF_LET_SOME_RESULT,
636 open_options::NONSENSICAL_OPEN_OPTIONS,
637 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
638 panic_unimplemented::PANIC_PARAMS,
639 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
640 precedence::PRECEDENCE,
644 question_mark::QUESTION_MARK,
645 ranges::ITERATOR_STEP_BY_ZERO,
646 ranges::RANGE_MINUS_ONE,
647 ranges::RANGE_ZIP_WITH_LEN,
648 redundant_field_names::REDUNDANT_FIELD_NAMES,
649 reference::DEREF_ADDROF,
650 reference::REF_IN_DEREF,
651 regex::INVALID_REGEX,
653 regex::TRIVIAL_REGEX,
654 returns::LET_AND_RETURN,
655 returns::NEEDLESS_RETURN,
656 serde_api::SERDE_API_MISUSE,
657 strings::STRING_LIT_AS_BYTES,
658 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
659 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
660 swap::ALMOST_SWAPPED,
662 temporary_assignment::TEMPORARY_ASSIGNMENT,
663 transmute::CROSSPOINTER_TRANSMUTE,
664 transmute::TRANSMUTE_BYTES_TO_STR,
665 transmute::TRANSMUTE_INT_TO_BOOL,
666 transmute::TRANSMUTE_INT_TO_CHAR,
667 transmute::TRANSMUTE_INT_TO_FLOAT,
668 transmute::TRANSMUTE_PTR_TO_PTR,
669 transmute::TRANSMUTE_PTR_TO_REF,
670 transmute::USELESS_TRANSMUTE,
671 transmute::WRONG_TRANSMUTE,
672 types::ABSURD_EXTREME_COMPARISONS,
675 types::CAST_LOSSLESS,
676 types::CAST_PTR_ALIGNMENT,
677 types::CHAR_LIT_AS_U8,
678 types::FN_TO_NUMERIC_CAST,
679 types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
680 types::IMPLICIT_HASHER,
681 types::LET_UNIT_VALUE,
682 types::OPTION_OPTION,
683 types::TYPE_COMPLEXITY,
686 types::UNNECESSARY_CAST,
687 unicode::ZERO_WIDTH_SPACE,
688 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
689 unused_io_amount::UNUSED_IO_AMOUNT,
690 unused_label::UNUSED_LABEL,
692 write::PRINT_LITERAL,
693 write::PRINT_WITH_NEWLINE,
694 write::PRINTLN_EMPTY_STRING,
695 write::WRITE_LITERAL,
696 write::WRITE_WITH_NEWLINE,
697 write::WRITELN_EMPTY_STRING,
698 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
701 reg.register_lint_group("clippy_style", vec![
702 assign_ops::ASSIGN_OP_PATTERN,
703 bit_mask::VERBOSE_BIT_MASK,
704 blacklisted_name::BLACKLISTED_NAME,
705 block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
706 block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
707 collapsible_if::COLLAPSIBLE_IF,
708 const_static_lifetime::CONST_STATIC_LIFETIME,
709 enum_variants::ENUM_VARIANT_NAMES,
710 enum_variants::MODULE_INCEPTION,
712 eta_reduction::REDUNDANT_CLOSURE,
713 excessive_precision::EXCESSIVE_PRECISION,
714 formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
715 formatting::SUSPICIOUS_ELSE_FORMATTING,
716 if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
717 infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
718 len_zero::LEN_WITHOUT_IS_EMPTY,
720 let_if_seq::USELESS_LET_IF_SEQ,
721 literal_representation::INCONSISTENT_DIGIT_GROUPING,
722 literal_representation::LARGE_DIGIT_GROUPS,
723 literal_representation::UNREADABLE_LITERAL,
725 loops::EXPLICIT_INTO_ITER_LOOP,
726 loops::EXPLICIT_ITER_LOOP,
728 loops::NEEDLESS_RANGE_LOOP,
729 loops::WHILE_LET_ON_ITERATOR,
730 map_clone::MAP_CLONE,
732 matches::MATCH_OVERLAPPING_ARM,
733 matches::MATCH_REF_PATS,
734 matches::MATCH_WILD_ERR_ARM,
735 matches::SINGLE_MATCH,
736 methods::CHARS_LAST_CMP,
738 methods::ITER_CLONED_COLLECT,
739 methods::ITER_SKIP_NEXT,
740 methods::NEW_RET_NO_SELF,
742 methods::OPTION_MAP_OR_NONE,
743 methods::SHOULD_IMPLEMENT_TRAIT,
744 methods::STRING_EXTEND_CHARS,
745 methods::UNNECESSARY_FOLD,
746 methods::WRONG_SELF_CONVENTION,
747 misc::REDUNDANT_PATTERN,
748 misc::TOPLEVEL_REF_ARG,
750 misc_early::BUILTIN_TYPE_SHADOW,
751 misc_early::DOUBLE_NEG,
752 misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
753 misc_early::MIXED_CASE_HEX_LITERALS,
754 misc_early::UNNEEDED_FIELD_PATTERN,
755 mut_reference::UNNECESSARY_MUT_PASSED,
756 needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
757 neg_multiply::NEG_MULTIPLY,
758 new_without_default::NEW_WITHOUT_DEFAULT,
759 new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
760 non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
761 non_expressive_names::MANY_SINGLE_CHAR_NAMES,
762 ok_if_let::IF_LET_SOME_RESULT,
763 panic_unimplemented::PANIC_PARAMS,
766 question_mark::QUESTION_MARK,
767 ranges::RANGE_MINUS_ONE,
768 redundant_field_names::REDUNDANT_FIELD_NAMES,
770 regex::TRIVIAL_REGEX,
771 returns::LET_AND_RETURN,
772 returns::NEEDLESS_RETURN,
773 strings::STRING_LIT_AS_BYTES,
774 types::FN_TO_NUMERIC_CAST,
775 types::IMPLICIT_HASHER,
776 types::LET_UNIT_VALUE,
777 unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
778 write::PRINT_LITERAL,
779 write::PRINT_WITH_NEWLINE,
780 write::PRINTLN_EMPTY_STRING,
781 write::WRITE_LITERAL,
782 write::WRITE_WITH_NEWLINE,
783 write::WRITELN_EMPTY_STRING,
786 reg.register_lint_group("clippy_complexity", vec![
787 assign_ops::MISREFACTORED_ASSIGN_OP,
788 booleans::NONMINIMAL_BOOL,
789 cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
790 double_comparison::DOUBLE_COMPARISONS,
791 double_parens::DOUBLE_PARENS,
792 eval_order_dependence::DIVERGING_SUB_EXPRESSION,
793 eval_order_dependence::EVAL_ORDER_DEPENDENCE,
794 explicit_write::EXPLICIT_WRITE,
795 format::USELESS_FORMAT,
796 functions::TOO_MANY_ARGUMENTS,
797 identity_conversion::IDENTITY_CONVERSION,
798 identity_op::IDENTITY_OP,
799 int_plus_one::INT_PLUS_ONE,
800 lifetimes::EXTRA_UNUSED_LIFETIMES,
801 lifetimes::NEEDLESS_LIFETIMES,
802 loops::EXPLICIT_COUNTER_LOOP,
803 loops::MUT_RANGE_BOUND,
804 loops::WHILE_LET_LOOP,
805 map_unit_fn::OPTION_MAP_UNIT_FN,
806 map_unit_fn::RESULT_MAP_UNIT_FN,
807 matches::MATCH_AS_REF,
808 methods::CHARS_NEXT_CMP,
809 methods::CLONE_ON_COPY,
810 methods::FILTER_NEXT,
811 methods::SEARCH_IS_SOME,
812 methods::USELESS_ASREF,
813 misc::SHORT_CIRCUIT_STATEMENT,
814 misc_early::REDUNDANT_CLOSURE_CALL,
815 misc_early::ZERO_PREFIXED_LITERAL,
816 needless_bool::BOOL_COMPARISON,
817 needless_bool::NEEDLESS_BOOL,
818 needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
819 needless_update::NEEDLESS_UPDATE,
820 neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
821 no_effect::NO_EFFECT,
822 no_effect::UNNECESSARY_OPERATION,
823 overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
824 partialeq_ne_impl::PARTIALEQ_NE_IMPL,
825 precedence::PRECEDENCE,
826 ranges::RANGE_ZIP_WITH_LEN,
827 reference::DEREF_ADDROF,
828 reference::REF_IN_DEREF,
830 temporary_assignment::TEMPORARY_ASSIGNMENT,
831 transmute::CROSSPOINTER_TRANSMUTE,
832 transmute::TRANSMUTE_BYTES_TO_STR,
833 transmute::TRANSMUTE_INT_TO_BOOL,
834 transmute::TRANSMUTE_INT_TO_CHAR,
835 transmute::TRANSMUTE_INT_TO_FLOAT,
836 transmute::TRANSMUTE_PTR_TO_PTR,
837 transmute::TRANSMUTE_PTR_TO_REF,
838 transmute::USELESS_TRANSMUTE,
840 types::CAST_LOSSLESS,
841 types::CHAR_LIT_AS_U8,
842 types::OPTION_OPTION,
843 types::TYPE_COMPLEXITY,
845 types::UNNECESSARY_CAST,
846 unused_label::UNUSED_LABEL,
847 zero_div_zero::ZERO_DIVIDED_BY_ZERO,
850 reg.register_lint_group("clippy_correctness", vec![
851 approx_const::APPROX_CONSTANT,
852 array_indexing::OUT_OF_BOUNDS_INDEXING,
853 attrs::DEPRECATED_SEMVER,
854 attrs::USELESS_ATTRIBUTE,
855 bit_mask::BAD_BIT_MASK,
856 bit_mask::INEFFECTIVE_BIT_MASK,
858 copies::IF_SAME_THEN_ELSE,
859 copies::IFS_SAME_COND,
860 derive::DERIVE_HASH_XOR_EQ,
861 drop_forget_ref::DROP_COPY,
862 drop_forget_ref::DROP_REF,
863 drop_forget_ref::FORGET_COPY,
864 drop_forget_ref::FORGET_REF,
865 enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
867 erasing_op::ERASING_OP,
868 formatting::POSSIBLE_MISSING_COMMA,
869 functions::NOT_UNSAFE_PTR_ARG_DEREF,
870 infinite_iter::INFINITE_ITER,
871 inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
872 invalid_ref::INVALID_REF,
873 loops::FOR_LOOP_OVER_OPTION,
874 loops::FOR_LOOP_OVER_RESULT,
875 loops::ITER_NEXT_LOOP,
877 loops::REVERSE_RANGE_LOOP,
878 loops::WHILE_IMMUTABLE_CONDITION,
879 methods::CLONE_DOUBLE_REF,
880 methods::TEMPORARY_CSTRING_AS_PTR,
885 open_options::NONSENSICAL_OPEN_OPTIONS,
887 ranges::ITERATOR_STEP_BY_ZERO,
888 regex::INVALID_REGEX,
889 serde_api::SERDE_API_MISUSE,
890 suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
891 suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
892 swap::ALMOST_SWAPPED,
893 transmute::WRONG_TRANSMUTE,
894 types::ABSURD_EXTREME_COMPARISONS,
895 types::CAST_PTR_ALIGNMENT,
896 types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
898 unicode::ZERO_WIDTH_SPACE,
899 unused_io_amount::UNUSED_IO_AMOUNT,
902 reg.register_lint_group("clippy_perf", vec![
903 bytecount::NAIVE_BYTECOUNT,
906 large_enum_variant::LARGE_ENUM_VARIANT,
907 loops::MANUAL_MEMCPY,
908 loops::UNUSED_COLLECT,
910 methods::OR_FUN_CALL,
911 methods::EXPECT_FUN_CALL,
912 methods::SINGLE_CHAR_PATTERN,
914 mutex_atomic::MUTEX_ATOMIC,
919 reg.register_lint_group("clippy_cargo", vec![
920 multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
923 reg.register_lint_group("clippy_nursery", vec![
924 attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
925 fallible_impl_from::FALLIBLE_IMPL_FROM,
926 mutex_atomic::MUTEX_INTEGER,
927 needless_borrow::NEEDLESS_BORROW,
928 ranges::RANGE_PLUS_ONE,
929 unwrap::UNNECESSARY_UNWRAP,
933 // only exists to let the dogfood integration test works.
934 // Don't run clippy as an executable directly
935 #[allow(dead_code, print_stdout)]
937 panic!("Please use the cargo-clippy executable");