src/tools/clippy/clippy_lints/src/lib.rs

   1 // error-pattern:cargo-clippy
   2
   3 #![feature(box_syntax)]
   4 #![feature(custom_attribute)]
   5 #![feature(i128_type)]
   6 #![feature(i128)]
   7 #![feature(rustc_private)]
   8 #![feature(slice_patterns)]
   9 #![feature(stmt_expr_attributes)]
  10 #![feature(conservative_impl_trait)]
  11 #![feature(inclusive_range_syntax, range_contains)]
  12 #![feature(macro_vis_matcher)]
  13 #![allow(unknown_lints, indexing_slicing, shadow_reuse, missing_docs_in_private_items)]
  14 #![recursion_limit = "256"]
  15
  16 #[macro_use]
  17 extern crate rustc;
  18 extern crate rustc_typeck;
  19 extern crate syntax;
  20 extern crate syntax_pos;
  21
  22 extern crate toml;
  23
  24 // for unicode nfc normalization
  25
  26 extern crate unicode_normalization;
  27
  28 // for semver check in attrs.rs
  29
  30 extern crate semver;
  31
  32 // for regex checking
  33
  34 extern crate regex_syntax;
  35
  36 // for finding minimal boolean expressions
  37
  38 extern crate quine_mc_cluskey;
  39
  40 extern crate rustc_const_eval;
  41 extern crate rustc_const_math;
  42 extern crate rustc_errors;
  43 extern crate rustc_plugin;
  44
  45 #[macro_use]
  46 extern crate matches as matches_macro;
  47
  48 extern crate serde;
  49 #[macro_use]
  50 extern crate serde_derive;
  51
  52 #[macro_use]
  53 extern crate lazy_static;
  54
  55 extern crate itertools;
  56 extern crate pulldown_cmark;
  57 extern crate url;
  58
  59 #[macro_use]
  60 extern crate if_chain;
  61
  62 macro_rules! declare_restriction_lint {
  63     { pub $name:tt, $description:tt } => {
  64         declare_lint! { pub $name, Allow, $description }
  65     };
  66 }
  67
  68 pub mod consts;
  69 #[macro_use]
  70 pub mod utils;
  71
  72 // begin lints modules, do not remove this comment, it’s used in `update_lints`
  73 pub mod approx_const;
  74 pub mod arithmetic;
  75 pub mod array_indexing;
  76 pub mod assign_ops;
  77 pub mod attrs;
  78 pub mod bit_mask;
  79 pub mod blacklisted_name;
  80 pub mod block_in_if_condition;
  81 pub mod booleans;
  82 pub mod bytecount;
  83 pub mod collapsible_if;
  84 pub mod const_static_lifetime;
  85 pub mod copies;
  86 pub mod cyclomatic_complexity;
  87 pub mod derive;
  88 pub mod doc;
  89 pub mod double_comparison;
  90 pub mod double_parens;
  91 pub mod drop_forget_ref;
  92 pub mod else_if_without_else;
  93 pub mod empty_enum;
  94 pub mod entry;
  95 pub mod enum_clike;
  96 pub mod enum_glob_use;
  97 pub mod enum_variants;
  98 pub mod eq_op;
  99 pub mod erasing_op;
 100 pub mod escape;
 101 pub mod eta_reduction;
 102 pub mod eval_order_dependence;
 103 pub mod explicit_write;
 104 pub mod fallible_impl_from;
 105 pub mod format;
 106 pub mod formatting;
 107 pub mod functions;
 108 pub mod identity_conversion;
 109 pub mod identity_op;
 110 pub mod if_let_redundant_pattern_matching;
 111 pub mod if_not_else;
 112 pub mod infinite_iter;
 113 pub mod inline_fn_without_body;
 114 pub mod int_plus_one;
 115 pub mod invalid_ref;
 116 pub mod items_after_statements;
 117 pub mod large_enum_variant;
 118 pub mod len_zero;
 119 pub mod let_if_seq;
 120 pub mod lifetimes;
 121 pub mod literal_representation;
 122 pub mod loops;
 123 pub mod map_clone;
 124 pub mod matches;
 125 pub mod mem_forget;
 126 pub mod methods;
 127 pub mod minmax;
 128 pub mod misc;
 129 pub mod misc_early;
 130 pub mod missing_doc;
 131 pub mod mut_mut;
 132 pub mod mut_reference;
 133 pub mod mutex_atomic;
 134 pub mod needless_bool;
 135 pub mod needless_borrow;
 136 pub mod needless_borrowed_ref;
 137 pub mod needless_continue;
 138 pub mod needless_pass_by_value;
 139 pub mod needless_update;
 140 pub mod neg_multiply;
 141 pub mod new_without_default;
 142 pub mod no_effect;
 143 pub mod non_expressive_names;
 144 pub mod ok_if_let;
 145 pub mod open_options;
 146 pub mod overflow_check_conditional;
 147 pub mod panic;
 148 pub mod partialeq_ne_impl;
 149 pub mod precedence;
 150 pub mod print;
 151 pub mod ptr;
 152 pub mod question_mark;
 153 pub mod ranges;
 154 pub mod reference;
 155 pub mod regex;
 156 pub mod replace_consts;
 157 pub mod returns;
 158 pub mod serde_api;
 159 pub mod shadow;
 160 pub mod strings;
 161 pub mod swap;
 162 pub mod temporary_assignment;
 163 pub mod transmute;
 164 pub mod types;
 165 pub mod unicode;
 166 pub mod unsafe_removed_from_name;
 167 pub mod unused_io_amount;
 168 pub mod unused_label;
 169 pub mod use_self;
 170 pub mod vec;
 171 pub mod zero_div_zero;
 172 // end lints modules, do not remove this comment, it’s used in `update_lints`
 173
 174 mod reexport {
 175     pub use syntax::ast::{Name, NodeId};
 176 }
 177
 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()) {
 181         Ok(file_name) => {
 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 {
 185                 Some(file_name)
 186             } else {
 187                 match utils::conf::lookup_conf_file() {
 188                     Ok(path) => path,
 189                     Err(error) => {
 190                         reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
 191                         None
 192                     }
 193                 }
 194             };
 195
 196             let file_name = file_name.map(|file_name| if file_name.is_relative() {
 197                 reg.sess
 198                     .local_crate_source_file
 199                     .as_ref()
 200                     .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
 201                     .unwrap_or_default()
 202                     .join(file_name)
 203             } else {
 204                 file_name
 205             });
 206
 207             let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
 208
 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();
 212             }
 213
 214             conf
 215         }
 216         Err((err, span)) => {
 217             reg.sess.struct_span_err(span, err)
 218                     .span_note(span, "Clippy will use default configuration")
 219                     .emit();
 220             toml::from_str("").expect("we never error on empty config files")
 221         }
 222     };
 223
 224     let mut store = reg.sess.lint_store.borrow_mut();
 225     store.register_removed(
 226         "should_assert_eq",
 227         "`assert!()` will be more flexible with RFC 2011",
 228     );
 229     store.register_removed(
 230         "extend_from_slice",
 231         "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
 232     );
 233     store.register_removed(
 234         "range_step_by_zero",
 235         "`iterator.step_by(0)` panics nowadays",
 236     );
 237     store.register_removed(
 238         "unstable_as_slice",
 239         "`Vec::as_slice` has been stabilized in 1.7",
 240     );
 241     store.register_removed(
 242         "unstable_as_mut_slice",
 243         "`Vec::as_mut_slice` has been stabilized in 1.7",
 244     );
 245     store.register_removed(
 246         "str_to_string",
 247         "using `str::to_string` is common even today and specialization will likely happen soon",
 248     );
 249     store.register_removed(
 250         "string_to_string",
 251         "using `string::to_string` is common even today and specialization will likely happen soon",
 252     );
 253     // end deprecated lints, do not remove this comment, it’s used in `update_lints`
 254
 255     reg.register_late_lint_pass(box serde_api::Serde);
 256     reg.register_early_lint_pass(box utils::internal_lints::Clippy);
 257     reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
 258     reg.register_late_lint_pass(box utils::inspector::Pass);
 259     reg.register_late_lint_pass(box utils::author::Pass);
 260     reg.register_late_lint_pass(box types::TypePass);
 261     reg.register_late_lint_pass(box booleans::NonminimalBool);
 262     reg.register_late_lint_pass(box eq_op::EqOp);
 263     reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
 264     reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
 265     reg.register_late_lint_pass(box enum_clike::UnportableVariant);
 266     reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
 267     reg.register_late_lint_pass(box ptr::PointerPass);
 268     reg.register_late_lint_pass(box needless_bool::NeedlessBool);
 269     reg.register_late_lint_pass(box needless_bool::BoolComparison);
 270     reg.register_late_lint_pass(box approx_const::Pass);
 271     reg.register_late_lint_pass(box misc::Pass);
 272     reg.register_early_lint_pass(box precedence::Precedence);
 273     reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
 274     reg.register_late_lint_pass(box eta_reduction::EtaPass);
 275     reg.register_late_lint_pass(box identity_op::IdentityOp);
 276     reg.register_late_lint_pass(box erasing_op::ErasingOp);
 277     reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
 278     reg.register_late_lint_pass(box mut_mut::MutMut);
 279     reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
 280     reg.register_late_lint_pass(box len_zero::LenZero);
 281     reg.register_late_lint_pass(box attrs::AttrPass);
 282     reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
 283     reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
 284     reg.register_late_lint_pass(box unicode::Unicode);
 285     reg.register_late_lint_pass(box strings::StringAdd);
 286     reg.register_early_lint_pass(box returns::ReturnPass);
 287     reg.register_late_lint_pass(box methods::Pass);
 288     reg.register_late_lint_pass(box shadow::Pass);
 289     reg.register_late_lint_pass(box types::LetPass);
 290     reg.register_late_lint_pass(box types::UnitCmp);
 291     reg.register_late_lint_pass(box loops::Pass);
 292     reg.register_late_lint_pass(box lifetimes::LifetimePass);
 293     reg.register_late_lint_pass(box entry::HashMapLint);
 294     reg.register_late_lint_pass(box ranges::Pass);
 295     reg.register_late_lint_pass(box types::CastPass);
 296     reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
 297     reg.register_late_lint_pass(box matches::MatchPass);
 298     reg.register_late_lint_pass(box minmax::MinMaxPass);
 299     reg.register_late_lint_pass(box open_options::NonSensical);
 300     reg.register_late_lint_pass(box zero_div_zero::Pass);
 301     reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
 302     reg.register_late_lint_pass(box needless_update::Pass);
 303     reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
 304     reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
 305     reg.register_late_lint_pass(box no_effect::Pass);
 306     reg.register_late_lint_pass(box map_clone::Pass);
 307     reg.register_late_lint_pass(box temporary_assignment::Pass);
 308     reg.register_late_lint_pass(box transmute::Transmute);
 309     reg.register_late_lint_pass(
 310         box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
 311     );
 312     reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
 313     reg.register_early_lint_pass(box misc_early::MiscEarly);
 314     reg.register_late_lint_pass(box array_indexing::ArrayIndexing);
 315     reg.register_late_lint_pass(box panic::Pass);
 316     reg.register_late_lint_pass(box strings::StringLitAsBytes);
 317     reg.register_late_lint_pass(box derive::Derive);
 318     reg.register_late_lint_pass(box types::CharLitAsU8);
 319     reg.register_late_lint_pass(box print::Pass);
 320     reg.register_late_lint_pass(box vec::Pass);
 321     reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
 322         single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
 323     });
 324     reg.register_late_lint_pass(box drop_forget_ref::Pass);
 325     reg.register_late_lint_pass(box empty_enum::EmptyEnum);
 326     reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
 327     reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
 328     reg.register_late_lint_pass(box regex::Pass::default());
 329     reg.register_late_lint_pass(box copies::CopyAndPaste);
 330     reg.register_late_lint_pass(box format::Pass);
 331     reg.register_early_lint_pass(box formatting::Formatting);
 332     reg.register_late_lint_pass(box swap::Swap);
 333     reg.register_early_lint_pass(box if_not_else::IfNotElse);
 334     reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
 335     reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
 336     reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
 337     reg.register_late_lint_pass(box unused_label::UnusedLabel);
 338     reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
 339     reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
 340     reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
 341     reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
 342     reg.register_late_lint_pass(box neg_multiply::NegMultiply);
 343     reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
 344     reg.register_late_lint_pass(box mem_forget::MemForget);
 345     reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
 346     reg.register_late_lint_pass(box assign_ops::AssignOps);
 347     reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
 348     reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
 349     reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
 350     reg.register_late_lint_pass(box ok_if_let::Pass);
 351     reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
 352     reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
 353     reg.register_early_lint_pass(box reference::Pass);
 354     reg.register_early_lint_pass(box double_parens::DoubleParens);
 355     reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
 356     reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
 357     reg.register_late_lint_pass(box explicit_write::Pass);
 358     reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
 359     reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
 360     reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
 361             conf.literal_representation_threshold
 362     ));
 363     reg.register_late_lint_pass(box use_self::UseSelf);
 364     reg.register_late_lint_pass(box bytecount::ByteCount);
 365     reg.register_late_lint_pass(box infinite_iter::Pass);
 366     reg.register_late_lint_pass(box inline_fn_without_body::Pass);
 367     reg.register_late_lint_pass(box invalid_ref::InvalidRef);
 368     reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
 369     reg.register_late_lint_pass(box types::ImplicitHasher);
 370     reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
 371     reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
 372     reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
 373     reg.register_late_lint_pass(box types::UnitArg);
 374     reg.register_late_lint_pass(box double_comparison::DoubleComparisonPass);
 375     reg.register_late_lint_pass(box question_mark::QuestionMarkPass);
 376
 377     reg.register_lint_group("clippy_restrictions", vec![
 378         arithmetic::FLOAT_ARITHMETIC,
 379         arithmetic::INTEGER_ARITHMETIC,
 380         array_indexing::INDEXING_SLICING,
 381         assign_ops::ASSIGN_OPS,
 382         else_if_without_else::ELSE_IF_WITHOUT_ELSE,
 383         methods::CLONE_ON_REF_PTR,
 384         misc::FLOAT_CMP_CONST,
 385     ]);
 386
 387     reg.register_lint_group("clippy_pedantic", vec![
 388         booleans::NONMINIMAL_BOOL,
 389         empty_enum::EMPTY_ENUM,
 390         enum_glob_use::ENUM_GLOB_USE,
 391         enum_variants::PUB_ENUM_VARIANT_NAMES,
 392         enum_variants::STUTTER,
 393         fallible_impl_from::FALLIBLE_IMPL_FROM,
 394         if_not_else::IF_NOT_ELSE,
 395         infinite_iter::MAYBE_INFINITE_ITER,
 396         int_plus_one::INT_PLUS_ONE,
 397         items_after_statements::ITEMS_AFTER_STATEMENTS,
 398         matches::SINGLE_MATCH_ELSE,
 399         mem_forget::MEM_FORGET,
 400         methods::FILTER_MAP,
 401         methods::OPTION_MAP_UNWRAP_OR,
 402         methods::OPTION_MAP_UNWRAP_OR_ELSE,
 403         methods::OPTION_UNWRAP_USED,
 404         methods::RESULT_MAP_UNWRAP_OR_ELSE,
 405         methods::RESULT_UNWRAP_USED,
 406         methods::WRONG_PUB_SELF_CONVENTION,
 407         misc::USED_UNDERSCORE_BINDING,
 408         misc_early::UNSEPARATED_LITERAL_SUFFIX,
 409         missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
 410         mut_mut::MUT_MUT,
 411         mutex_atomic::MUTEX_INTEGER,
 412         non_expressive_names::SIMILAR_NAMES,
 413         print::PRINT_STDOUT,
 414         print::USE_DEBUG,
 415         ranges::RANGE_PLUS_ONE,
 416         replace_consts::REPLACE_CONSTS,
 417         shadow::SHADOW_REUSE,
 418         shadow::SHADOW_SAME,
 419         shadow::SHADOW_UNRELATED,
 420         strings::STRING_ADD,
 421         strings::STRING_ADD_ASSIGN,
 422         types::CAST_POSSIBLE_TRUNCATION,
 423         types::CAST_POSSIBLE_WRAP,
 424         types::CAST_PRECISION_LOSS,
 425         types::CAST_SIGN_LOSS,
 426         types::INVALID_UPCAST_COMPARISONS,
 427         unicode::NON_ASCII_LITERAL,
 428         unicode::UNICODE_NOT_NFC,
 429         use_self::USE_SELF,
 430     ]);
 431
 432     reg.register_lint_group("clippy_internal", vec![
 433         utils::internal_lints::CLIPPY_LINTS_INTERNAL,
 434         utils::internal_lints::LINT_WITHOUT_LINT_PASS,
 435     ]);
 436
 437     reg.register_lint_group("clippy", vec![
 438         approx_const::APPROX_CONSTANT,
 439         array_indexing::OUT_OF_BOUNDS_INDEXING,
 440         assign_ops::ASSIGN_OP_PATTERN,
 441         assign_ops::MISREFACTORED_ASSIGN_OP,
 442         attrs::DEPRECATED_SEMVER,
 443         attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
 444         attrs::INLINE_ALWAYS,
 445         attrs::USELESS_ATTRIBUTE,
 446         bit_mask::BAD_BIT_MASK,
 447         bit_mask::INEFFECTIVE_BIT_MASK,
 448         bit_mask::VERBOSE_BIT_MASK,
 449         blacklisted_name::BLACKLISTED_NAME,
 450         block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
 451         block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
 452         booleans::LOGIC_BUG,
 453         bytecount::NAIVE_BYTECOUNT,
 454         collapsible_if::COLLAPSIBLE_IF,
 455         const_static_lifetime::CONST_STATIC_LIFETIME,
 456         copies::IF_SAME_THEN_ELSE,
 457         copies::IFS_SAME_COND,
 458         copies::MATCH_SAME_ARMS,
 459         cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
 460         derive::DERIVE_HASH_XOR_EQ,
 461         derive::EXPL_IMPL_CLONE_ON_COPY,
 462         doc::DOC_MARKDOWN,
 463         double_comparison::DOUBLE_COMPARISONS,
 464         double_parens::DOUBLE_PARENS,
 465         drop_forget_ref::DROP_COPY,
 466         drop_forget_ref::DROP_REF,
 467         drop_forget_ref::FORGET_COPY,
 468         drop_forget_ref::FORGET_REF,
 469         entry::MAP_ENTRY,
 470         enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
 471         enum_variants::ENUM_VARIANT_NAMES,
 472         enum_variants::MODULE_INCEPTION,
 473         eq_op::EQ_OP,
 474         eq_op::OP_REF,
 475         erasing_op::ERASING_OP,
 476         escape::BOXED_LOCAL,
 477         eta_reduction::REDUNDANT_CLOSURE,
 478         eval_order_dependence::DIVERGING_SUB_EXPRESSION,
 479         eval_order_dependence::EVAL_ORDER_DEPENDENCE,
 480         explicit_write::EXPLICIT_WRITE,
 481         format::USELESS_FORMAT,
 482         formatting::POSSIBLE_MISSING_COMMA,
 483         formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
 484         formatting::SUSPICIOUS_ELSE_FORMATTING,
 485         functions::NOT_UNSAFE_PTR_ARG_DEREF,
 486         functions::TOO_MANY_ARGUMENTS,
 487         identity_conversion::IDENTITY_CONVERSION,
 488         identity_op::IDENTITY_OP,
 489         if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
 490         infinite_iter::INFINITE_ITER,
 491         inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
 492         invalid_ref::INVALID_REF,
 493         large_enum_variant::LARGE_ENUM_VARIANT,
 494         len_zero::LEN_WITHOUT_IS_EMPTY,
 495         len_zero::LEN_ZERO,
 496         let_if_seq::USELESS_LET_IF_SEQ,
 497         lifetimes::NEEDLESS_LIFETIMES,
 498         lifetimes::UNUSED_LIFETIMES,
 499         literal_representation::DECIMAL_LITERAL_REPRESENTATION,
 500         literal_representation::INCONSISTENT_DIGIT_GROUPING,
 501         literal_representation::LARGE_DIGIT_GROUPS,
 502         literal_representation::UNREADABLE_LITERAL,
 503         loops::EMPTY_LOOP,
 504         loops::EXPLICIT_COUNTER_LOOP,
 505         loops::EXPLICIT_INTO_ITER_LOOP,
 506         loops::EXPLICIT_ITER_LOOP,
 507         loops::FOR_KV_MAP,
 508         loops::FOR_LOOP_OVER_OPTION,
 509         loops::FOR_LOOP_OVER_RESULT,
 510         loops::ITER_NEXT_LOOP,
 511         loops::MANUAL_MEMCPY,
 512         loops::MUT_RANGE_BOUND,
 513         loops::NEEDLESS_RANGE_LOOP,
 514         loops::NEVER_LOOP,
 515         loops::REVERSE_RANGE_LOOP,
 516         loops::UNUSED_COLLECT,
 517         loops::WHILE_LET_LOOP,
 518         loops::WHILE_LET_ON_ITERATOR,
 519         map_clone::MAP_CLONE,
 520         matches::MATCH_AS_REF,
 521         matches::MATCH_BOOL,
 522         matches::MATCH_OVERLAPPING_ARM,
 523         matches::MATCH_REF_PATS,
 524         matches::MATCH_WILD_ERR_ARM,
 525         matches::SINGLE_MATCH,
 526         methods::CHARS_LAST_CMP,
 527         methods::CHARS_NEXT_CMP,
 528         methods::CLONE_DOUBLE_REF,
 529         methods::CLONE_ON_COPY,
 530         methods::FILTER_NEXT,
 531         methods::GET_UNWRAP,
 532         methods::ITER_CLONED_COLLECT,
 533         methods::ITER_NTH,
 534         methods::ITER_SKIP_NEXT,
 535         methods::NEW_RET_NO_SELF,
 536         methods::OK_EXPECT,
 537         methods::OPTION_MAP_OR_NONE,
 538         methods::OR_FUN_CALL,
 539         methods::SEARCH_IS_SOME,
 540         methods::SHOULD_IMPLEMENT_TRAIT,
 541         methods::SINGLE_CHAR_PATTERN,
 542         methods::STRING_EXTEND_CHARS,
 543         methods::TEMPORARY_CSTRING_AS_PTR,
 544         methods::UNNECESSARY_FOLD,
 545         methods::USELESS_ASREF,
 546         methods::WRONG_SELF_CONVENTION,
 547         minmax::MIN_MAX,
 548         misc::CMP_NAN,
 549         misc::CMP_OWNED,
 550         misc::FLOAT_CMP,
 551         misc::MODULO_ONE,
 552         misc::REDUNDANT_PATTERN,
 553         misc::SHORT_CIRCUIT_STATEMENT,
 554         misc::TOPLEVEL_REF_ARG,
 555         misc::ZERO_PTR,
 556         misc_early::BUILTIN_TYPE_SHADOW,
 557         misc_early::DOUBLE_NEG,
 558         misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
 559         misc_early::MIXED_CASE_HEX_LITERALS,
 560         misc_early::REDUNDANT_CLOSURE_CALL,
 561         misc_early::UNNEEDED_FIELD_PATTERN,
 562         misc_early::ZERO_PREFIXED_LITERAL,
 563         mut_reference::UNNECESSARY_MUT_PASSED,
 564         mutex_atomic::MUTEX_ATOMIC,
 565         needless_bool::BOOL_COMPARISON,
 566         needless_bool::NEEDLESS_BOOL,
 567         needless_borrow::NEEDLESS_BORROW,
 568         needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
 569         needless_continue::NEEDLESS_CONTINUE,
 570         needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
 571         needless_update::NEEDLESS_UPDATE,
 572         neg_multiply::NEG_MULTIPLY,
 573         new_without_default::NEW_WITHOUT_DEFAULT,
 574         new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
 575         no_effect::NO_EFFECT,
 576         no_effect::UNNECESSARY_OPERATION,
 577         non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
 578         non_expressive_names::MANY_SINGLE_CHAR_NAMES,
 579         ok_if_let::IF_LET_SOME_RESULT,
 580         open_options::NONSENSICAL_OPEN_OPTIONS,
 581         overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
 582         panic::PANIC_PARAMS,
 583         partialeq_ne_impl::PARTIALEQ_NE_IMPL,
 584         precedence::PRECEDENCE,
 585         print::PRINT_WITH_NEWLINE,
 586         print::PRINTLN_EMPTY_STRING,
 587         ptr::CMP_NULL,
 588         ptr::MUT_FROM_REF,
 589         ptr::PTR_ARG,
 590         question_mark::QUESTION_MARK,
 591         ranges::ITERATOR_STEP_BY_ZERO,
 592         ranges::RANGE_MINUS_ONE,
 593         ranges::RANGE_ZIP_WITH_LEN,
 594         reference::DEREF_ADDROF,
 595         regex::INVALID_REGEX,
 596         regex::REGEX_MACRO,
 597         regex::TRIVIAL_REGEX,
 598         returns::LET_AND_RETURN,
 599         returns::NEEDLESS_RETURN,
 600         serde_api::SERDE_API_MISUSE,
 601         strings::STRING_LIT_AS_BYTES,
 602         swap::ALMOST_SWAPPED,
 603         swap::MANUAL_SWAP,
 604         temporary_assignment::TEMPORARY_ASSIGNMENT,
 605         transmute::CROSSPOINTER_TRANSMUTE,
 606         transmute::MISALIGNED_TRANSMUTE,
 607         transmute::TRANSMUTE_BYTES_TO_STR,
 608         transmute::TRANSMUTE_INT_TO_BOOL,
 609         transmute::TRANSMUTE_INT_TO_CHAR,
 610         transmute::TRANSMUTE_INT_TO_FLOAT,
 611         transmute::TRANSMUTE_PTR_TO_REF,
 612         transmute::USELESS_TRANSMUTE,
 613         transmute::WRONG_TRANSMUTE,
 614         types::ABSURD_EXTREME_COMPARISONS,
 615         types::BORROWED_BOX,
 616         types::BOX_VEC,
 617         types::CAST_LOSSLESS,
 618         types::CHAR_LIT_AS_U8,
 619         types::IMPLICIT_HASHER,
 620         types::LET_UNIT_VALUE,
 621         types::LINKEDLIST,
 622         types::OPTION_OPTION,
 623         types::TYPE_COMPLEXITY,
 624         types::UNIT_ARG,
 625         types::UNIT_CMP,
 626         types::UNNECESSARY_CAST,
 627         unicode::ZERO_WIDTH_SPACE,
 628         unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
 629         unused_io_amount::UNUSED_IO_AMOUNT,
 630         unused_label::UNUSED_LABEL,
 631         vec::USELESS_VEC,
 632         zero_div_zero::ZERO_DIVIDED_BY_ZERO,
 633     ]);
 634 }
 635
 636 // only exists to let the dogfood integration test works.
 637 // Don't run clippy as an executable directly
 638 #[allow(dead_code, print_stdout)]
 639 fn main() {
 640     panic!("Please use the cargo-clippy executable");
 641 }