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