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_parens;
  90 pub mod drop_forget_ref;
  91 pub mod empty_enum;
  92 pub mod entry;
  93 pub mod enum_clike;
  94 pub mod enum_glob_use;
  95 pub mod enum_variants;
  96 pub mod eq_op;
  97 pub mod erasing_op;
  98 pub mod escape;
  99 pub mod eta_reduction;
 100 pub mod eval_order_dependence;
 101 pub mod explicit_write;
 102 pub mod fallible_impl_from;
 103 pub mod format;
 104 pub mod formatting;
 105 pub mod functions;
 106 pub mod identity_conversion;
 107 pub mod identity_op;
 108 pub mod if_let_redundant_pattern_matching;
 109 pub mod if_not_else;
 110 pub mod infinite_iter;
 111 pub mod int_plus_one;
 112 pub mod invalid_ref;
 113 pub mod is_unit_expr;
 114 pub mod items_after_statements;
 115 pub mod large_enum_variant;
 116 pub mod len_zero;
 117 pub mod let_if_seq;
 118 pub mod lifetimes;
 119 pub mod literal_representation;
 120 pub mod loops;
 121 pub mod map_clone;
 122 pub mod matches;
 123 pub mod mem_forget;
 124 pub mod methods;
 125 pub mod minmax;
 126 pub mod misc;
 127 pub mod misc_early;
 128 pub mod missing_doc;
 129 pub mod mut_mut;
 130 pub mod mut_reference;
 131 pub mod mutex_atomic;
 132 pub mod needless_bool;
 133 pub mod needless_borrow;
 134 pub mod needless_borrowed_ref;
 135 pub mod needless_continue;
 136 pub mod needless_pass_by_value;
 137 pub mod needless_update;
 138 pub mod neg_multiply;
 139 pub mod new_without_default;
 140 pub mod no_effect;
 141 pub mod non_expressive_names;
 142 pub mod ok_if_let;
 143 pub mod open_options;
 144 pub mod overflow_check_conditional;
 145 pub mod panic;
 146 pub mod partialeq_ne_impl;
 147 pub mod precedence;
 148 pub mod print;
 149 pub mod ptr;
 150 pub mod ranges;
 151 pub mod reference;
 152 pub mod regex;
 153 pub mod replace_consts;
 154 pub mod returns;
 155 pub mod serde_api;
 156 pub mod shadow;
 157 pub mod strings;
 158 pub mod swap;
 159 pub mod temporary_assignment;
 160 pub mod transmute;
 161 pub mod types;
 162 pub mod unicode;
 163 pub mod unsafe_removed_from_name;
 164 pub mod unused_io_amount;
 165 pub mod unused_label;
 166 pub mod use_self;
 167 pub mod vec;
 168 pub mod zero_div_zero;
 169 // end lints modules, do not remove this comment, it’s used in `update_lints`
 170
 171 mod reexport {
 172     pub use syntax::ast::{Name, NodeId};
 173 }
 174
 175 #[cfg_attr(rustfmt, rustfmt_skip)]
 176 pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
 177     let conf = match utils::conf::file_from_args(reg.args()) {
 178         Ok(file_name) => {
 179             // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
 180             // do not require the file to exist
 181             let file_name = if let Some(file_name) = file_name {
 182                 Some(file_name)
 183             } else {
 184                 match utils::conf::lookup_conf_file() {
 185                     Ok(path) => path,
 186                     Err(error) => {
 187                         reg.sess.struct_err(&format!("error finding Clippy's configuration file: {}", error)).emit();
 188                         None
 189                     }
 190                 }
 191             };
 192
 193             let file_name = file_name.map(|file_name| if file_name.is_relative() {
 194                 reg.sess
 195                     .local_crate_source_file
 196                     .as_ref()
 197                     .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
 198                     .unwrap_or_default()
 199                     .join(file_name)
 200             } else {
 201                 file_name
 202             });
 203
 204             let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
 205
 206             // all conf errors are non-fatal, we just use the default conf in case of error
 207             for error in errors {
 208                 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();
 209             }
 210
 211             conf
 212         }
 213         Err((err, span)) => {
 214             reg.sess.struct_span_err(span, err)
 215                     .span_note(span, "Clippy will use default configuration")
 216                     .emit();
 217             toml::from_str("").expect("we never error on empty config files")
 218         }
 219     };
 220
 221     let mut store = reg.sess.lint_store.borrow_mut();
 222     store.register_removed(
 223         "should_assert_eq",
 224         "`assert!()` will be more flexible with RFC 2011",
 225     );
 226     store.register_removed(
 227         "extend_from_slice",
 228         "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
 229     );
 230     store.register_removed(
 231         "range_step_by_zero",
 232         "`iterator.step_by(0)` panics nowadays",
 233     );
 234     store.register_removed(
 235         "unstable_as_slice",
 236         "`Vec::as_slice` has been stabilized in 1.7",
 237     );
 238     store.register_removed(
 239         "unstable_as_mut_slice",
 240         "`Vec::as_mut_slice` has been stabilized in 1.7",
 241     );
 242     store.register_removed(
 243         "str_to_string",
 244         "using `str::to_string` is common even today and specialization will likely happen soon",
 245     );
 246     store.register_removed(
 247         "string_to_string",
 248         "using `string::to_string` is common even today and specialization will likely happen soon",
 249     );
 250     // end deprecated lints, do not remove this comment, it’s used in `update_lints`
 251
 252     reg.register_late_lint_pass(box serde_api::Serde);
 253     reg.register_early_lint_pass(box utils::internal_lints::Clippy);
 254     reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
 255     reg.register_late_lint_pass(box utils::inspector::Pass);
 256     reg.register_late_lint_pass(box utils::author::Pass);
 257     reg.register_late_lint_pass(box types::TypePass);
 258     reg.register_late_lint_pass(box booleans::NonminimalBool);
 259     reg.register_late_lint_pass(box eq_op::EqOp);
 260     reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
 261     reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
 262     reg.register_late_lint_pass(box enum_clike::UnportableVariant);
 263     reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
 264     reg.register_late_lint_pass(box ptr::PointerPass);
 265     reg.register_late_lint_pass(box needless_bool::NeedlessBool);
 266     reg.register_late_lint_pass(box needless_bool::BoolComparison);
 267     reg.register_late_lint_pass(box approx_const::Pass);
 268     reg.register_late_lint_pass(box misc::Pass);
 269     reg.register_early_lint_pass(box precedence::Precedence);
 270     reg.register_early_lint_pass(box is_unit_expr::UnitExpr);
 271     reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
 272     reg.register_late_lint_pass(box eta_reduction::EtaPass);
 273     reg.register_late_lint_pass(box identity_op::IdentityOp);
 274     reg.register_late_lint_pass(box erasing_op::ErasingOp);
 275     reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
 276     reg.register_late_lint_pass(box mut_mut::MutMut);
 277     reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
 278     reg.register_late_lint_pass(box len_zero::LenZero);
 279     reg.register_late_lint_pass(box attrs::AttrPass);
 280     reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
 281     reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
 282     reg.register_late_lint_pass(box unicode::Unicode);
 283     reg.register_late_lint_pass(box strings::StringAdd);
 284     reg.register_early_lint_pass(box returns::ReturnPass);
 285     reg.register_late_lint_pass(box methods::Pass);
 286     reg.register_late_lint_pass(box shadow::Pass);
 287     reg.register_late_lint_pass(box types::LetPass);
 288     reg.register_late_lint_pass(box types::UnitCmp);
 289     reg.register_late_lint_pass(box loops::Pass);
 290     reg.register_late_lint_pass(box lifetimes::LifetimePass);
 291     reg.register_late_lint_pass(box entry::HashMapLint);
 292     reg.register_late_lint_pass(box ranges::Pass);
 293     reg.register_late_lint_pass(box types::CastPass);
 294     reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
 295     reg.register_late_lint_pass(box matches::MatchPass);
 296     reg.register_late_lint_pass(box minmax::MinMaxPass);
 297     reg.register_late_lint_pass(box open_options::NonSensical);
 298     reg.register_late_lint_pass(box zero_div_zero::Pass);
 299     reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
 300     reg.register_late_lint_pass(box needless_update::Pass);
 301     reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
 302     reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
 303     reg.register_late_lint_pass(box no_effect::Pass);
 304     reg.register_late_lint_pass(box map_clone::Pass);
 305     reg.register_late_lint_pass(box temporary_assignment::Pass);
 306     reg.register_late_lint_pass(box transmute::Transmute);
 307     reg.register_late_lint_pass(
 308         box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
 309     );
 310     reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
 311     reg.register_early_lint_pass(box misc_early::MiscEarly);
 312     reg.register_late_lint_pass(box array_indexing::ArrayIndexing);
 313     reg.register_late_lint_pass(box panic::Pass);
 314     reg.register_late_lint_pass(box strings::StringLitAsBytes);
 315     reg.register_late_lint_pass(box derive::Derive);
 316     reg.register_late_lint_pass(box types::CharLitAsU8);
 317     reg.register_late_lint_pass(box print::Pass);
 318     reg.register_late_lint_pass(box vec::Pass);
 319     reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
 320         single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
 321     });
 322     reg.register_late_lint_pass(box drop_forget_ref::Pass);
 323     reg.register_late_lint_pass(box empty_enum::EmptyEnum);
 324     reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
 325     reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
 326     reg.register_late_lint_pass(box regex::Pass::default());
 327     reg.register_late_lint_pass(box copies::CopyAndPaste);
 328     reg.register_late_lint_pass(box format::Pass);
 329     reg.register_early_lint_pass(box formatting::Formatting);
 330     reg.register_late_lint_pass(box swap::Swap);
 331     reg.register_early_lint_pass(box if_not_else::IfNotElse);
 332     reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
 333     reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
 334     reg.register_late_lint_pass(box unused_label::UnusedLabel);
 335     reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
 336     reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
 337     reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
 338     reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
 339     reg.register_late_lint_pass(box neg_multiply::NegMultiply);
 340     reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
 341     reg.register_late_lint_pass(box mem_forget::MemForget);
 342     reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
 343     reg.register_late_lint_pass(box assign_ops::AssignOps);
 344     reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
 345     reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
 346     reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
 347     reg.register_late_lint_pass(box ok_if_let::Pass);
 348     reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
 349     reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
 350     reg.register_early_lint_pass(box reference::Pass);
 351     reg.register_early_lint_pass(box double_parens::DoubleParens);
 352     reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
 353     reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
 354     reg.register_late_lint_pass(box explicit_write::Pass);
 355     reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
 356     reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
 357     reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
 358             conf.literal_representation_threshold
 359     ));
 360     reg.register_late_lint_pass(box use_self::UseSelf);
 361     reg.register_late_lint_pass(box bytecount::ByteCount);
 362     reg.register_late_lint_pass(box infinite_iter::Pass);
 363     reg.register_late_lint_pass(box invalid_ref::InvalidRef);
 364     reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
 365     reg.register_late_lint_pass(box types::ImplicitHasher);
 366     reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
 367     reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
 368     reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
 369
 370     reg.register_lint_group("clippy_restrictions", vec![
 371         arithmetic::FLOAT_ARITHMETIC,
 372         arithmetic::INTEGER_ARITHMETIC,
 373         array_indexing::INDEXING_SLICING,
 374         assign_ops::ASSIGN_OPS,
 375         misc::FLOAT_CMP_CONST,
 376     ]);
 377
 378     reg.register_lint_group("clippy_pedantic", vec![
 379         booleans::NONMINIMAL_BOOL,
 380         empty_enum::EMPTY_ENUM,
 381         enum_glob_use::ENUM_GLOB_USE,
 382         enum_variants::PUB_ENUM_VARIANT_NAMES,
 383         enum_variants::STUTTER,
 384         fallible_impl_from::FALLIBLE_IMPL_FROM,
 385         if_not_else::IF_NOT_ELSE,
 386         infinite_iter::MAYBE_INFINITE_ITER,
 387         int_plus_one::INT_PLUS_ONE,
 388         items_after_statements::ITEMS_AFTER_STATEMENTS,
 389         matches::SINGLE_MATCH_ELSE,
 390         mem_forget::MEM_FORGET,
 391         methods::FILTER_MAP,
 392         methods::OPTION_MAP_UNWRAP_OR,
 393         methods::OPTION_MAP_UNWRAP_OR_ELSE,
 394         methods::OPTION_UNWRAP_USED,
 395         methods::RESULT_MAP_UNWRAP_OR_ELSE,
 396         methods::RESULT_UNWRAP_USED,
 397         methods::WRONG_PUB_SELF_CONVENTION,
 398         misc::USED_UNDERSCORE_BINDING,
 399         misc_early::UNSEPARATED_LITERAL_SUFFIX,
 400         missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
 401         mut_mut::MUT_MUT,
 402         mutex_atomic::MUTEX_INTEGER,
 403         non_expressive_names::SIMILAR_NAMES,
 404         print::PRINT_STDOUT,
 405         print::USE_DEBUG,
 406         ranges::RANGE_PLUS_ONE,
 407         replace_consts::REPLACE_CONSTS,
 408         shadow::SHADOW_REUSE,
 409         shadow::SHADOW_SAME,
 410         shadow::SHADOW_UNRELATED,
 411         strings::STRING_ADD,
 412         strings::STRING_ADD_ASSIGN,
 413         types::CAST_POSSIBLE_TRUNCATION,
 414         types::CAST_POSSIBLE_WRAP,
 415         types::CAST_PRECISION_LOSS,
 416         types::CAST_SIGN_LOSS,
 417         types::INVALID_UPCAST_COMPARISONS,
 418         unicode::NON_ASCII_LITERAL,
 419         unicode::UNICODE_NOT_NFC,
 420         use_self::USE_SELF,
 421     ]);
 422
 423     reg.register_lint_group("clippy_internal", vec![
 424         utils::internal_lints::CLIPPY_LINTS_INTERNAL,
 425         utils::internal_lints::LINT_WITHOUT_LINT_PASS,
 426     ]);
 427
 428     reg.register_lint_group("clippy", vec![
 429         approx_const::APPROX_CONSTANT,
 430         array_indexing::OUT_OF_BOUNDS_INDEXING,
 431         assign_ops::ASSIGN_OP_PATTERN,
 432         assign_ops::MISREFACTORED_ASSIGN_OP,
 433         attrs::DEPRECATED_SEMVER,
 434         attrs::INLINE_ALWAYS,
 435         attrs::USELESS_ATTRIBUTE,
 436         bit_mask::BAD_BIT_MASK,
 437         bit_mask::INEFFECTIVE_BIT_MASK,
 438         bit_mask::VERBOSE_BIT_MASK,
 439         blacklisted_name::BLACKLISTED_NAME,
 440         block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
 441         block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
 442         booleans::LOGIC_BUG,
 443         bytecount::NAIVE_BYTECOUNT,
 444         collapsible_if::COLLAPSIBLE_IF,
 445         const_static_lifetime::CONST_STATIC_LIFETIME,
 446         copies::IF_SAME_THEN_ELSE,
 447         copies::IFS_SAME_COND,
 448         copies::MATCH_SAME_ARMS,
 449         cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
 450         derive::DERIVE_HASH_XOR_EQ,
 451         derive::EXPL_IMPL_CLONE_ON_COPY,
 452         doc::DOC_MARKDOWN,
 453         double_parens::DOUBLE_PARENS,
 454         drop_forget_ref::DROP_COPY,
 455         drop_forget_ref::DROP_REF,
 456         drop_forget_ref::FORGET_COPY,
 457         drop_forget_ref::FORGET_REF,
 458         entry::MAP_ENTRY,
 459         enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
 460         enum_variants::ENUM_VARIANT_NAMES,
 461         enum_variants::MODULE_INCEPTION,
 462         eq_op::EQ_OP,
 463         eq_op::OP_REF,
 464         erasing_op::ERASING_OP,
 465         escape::BOXED_LOCAL,
 466         eta_reduction::REDUNDANT_CLOSURE,
 467         eval_order_dependence::DIVERGING_SUB_EXPRESSION,
 468         eval_order_dependence::EVAL_ORDER_DEPENDENCE,
 469         explicit_write::EXPLICIT_WRITE,
 470         format::USELESS_FORMAT,
 471         formatting::POSSIBLE_MISSING_COMMA,
 472         formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
 473         formatting::SUSPICIOUS_ELSE_FORMATTING,
 474         functions::NOT_UNSAFE_PTR_ARG_DEREF,
 475         functions::TOO_MANY_ARGUMENTS,
 476         identity_conversion::IDENTITY_CONVERSION,
 477         identity_op::IDENTITY_OP,
 478         if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
 479         infinite_iter::INFINITE_ITER,
 480         invalid_ref::INVALID_REF,
 481         is_unit_expr::UNIT_EXPR,
 482         large_enum_variant::LARGE_ENUM_VARIANT,
 483         len_zero::LEN_WITHOUT_IS_EMPTY,
 484         len_zero::LEN_ZERO,
 485         let_if_seq::USELESS_LET_IF_SEQ,
 486         lifetimes::NEEDLESS_LIFETIMES,
 487         lifetimes::UNUSED_LIFETIMES,
 488         literal_representation::INCONSISTENT_DIGIT_GROUPING,
 489         literal_representation::LARGE_DIGIT_GROUPS,
 490         literal_representation::UNREADABLE_LITERAL,
 491         literal_representation::BAD_LITERAL_REPRESENTATION,
 492         loops::EMPTY_LOOP,
 493         loops::EXPLICIT_COUNTER_LOOP,
 494         loops::EXPLICIT_INTO_ITER_LOOP,
 495         loops::EXPLICIT_ITER_LOOP,
 496         loops::FOR_KV_MAP,
 497         loops::FOR_LOOP_OVER_OPTION,
 498         loops::FOR_LOOP_OVER_RESULT,
 499         loops::ITER_NEXT_LOOP,
 500         loops::MANUAL_MEMCPY,
 501         loops::MUT_RANGE_BOUND,
 502         loops::NEEDLESS_RANGE_LOOP,
 503         loops::NEVER_LOOP,
 504         loops::REVERSE_RANGE_LOOP,
 505         loops::UNUSED_COLLECT,
 506         loops::WHILE_LET_LOOP,
 507         loops::WHILE_LET_ON_ITERATOR,
 508         map_clone::MAP_CLONE,
 509         matches::MATCH_AS_REF,
 510         matches::MATCH_BOOL,
 511         matches::MATCH_OVERLAPPING_ARM,
 512         matches::MATCH_REF_PATS,
 513         matches::MATCH_WILD_ERR_ARM,
 514         matches::SINGLE_MATCH,
 515         methods::CHARS_LAST_CMP,
 516         methods::CHARS_NEXT_CMP,
 517         methods::CLONE_DOUBLE_REF,
 518         methods::CLONE_ON_COPY,
 519         methods::CLONE_ON_REF_PTR,
 520         methods::FILTER_NEXT,
 521         methods::GET_UNWRAP,
 522         methods::ITER_CLONED_COLLECT,
 523         methods::ITER_NTH,
 524         methods::ITER_SKIP_NEXT,
 525         methods::NEW_RET_NO_SELF,
 526         methods::OK_EXPECT,
 527         methods::OPTION_MAP_OR_NONE,
 528         methods::OR_FUN_CALL,
 529         methods::SEARCH_IS_SOME,
 530         methods::SHOULD_IMPLEMENT_TRAIT,
 531         methods::SINGLE_CHAR_PATTERN,
 532         methods::STRING_EXTEND_CHARS,
 533         methods::TEMPORARY_CSTRING_AS_PTR,
 534         methods::USELESS_ASREF,
 535         methods::WRONG_SELF_CONVENTION,
 536         minmax::MIN_MAX,
 537         misc::CMP_NAN,
 538         misc::CMP_OWNED,
 539         misc::FLOAT_CMP,
 540         misc::MODULO_ONE,
 541         misc::REDUNDANT_PATTERN,
 542         misc::SHORT_CIRCUIT_STATEMENT,
 543         misc::TOPLEVEL_REF_ARG,
 544         misc::ZERO_PTR,
 545         misc_early::BUILTIN_TYPE_SHADOW,
 546         misc_early::DOUBLE_NEG,
 547         misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
 548         misc_early::MIXED_CASE_HEX_LITERALS,
 549         misc_early::REDUNDANT_CLOSURE_CALL,
 550         misc_early::UNNEEDED_FIELD_PATTERN,
 551         misc_early::ZERO_PREFIXED_LITERAL,
 552         mut_reference::UNNECESSARY_MUT_PASSED,
 553         mutex_atomic::MUTEX_ATOMIC,
 554         needless_bool::BOOL_COMPARISON,
 555         needless_bool::NEEDLESS_BOOL,
 556         needless_borrow::NEEDLESS_BORROW,
 557         needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
 558         needless_continue::NEEDLESS_CONTINUE,
 559         needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
 560         needless_update::NEEDLESS_UPDATE,
 561         neg_multiply::NEG_MULTIPLY,
 562         new_without_default::NEW_WITHOUT_DEFAULT,
 563         new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
 564         no_effect::NO_EFFECT,
 565         no_effect::UNNECESSARY_OPERATION,
 566         non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
 567         non_expressive_names::MANY_SINGLE_CHAR_NAMES,
 568         ok_if_let::IF_LET_SOME_RESULT,
 569         open_options::NONSENSICAL_OPEN_OPTIONS,
 570         overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
 571         panic::PANIC_PARAMS,
 572         partialeq_ne_impl::PARTIALEQ_NE_IMPL,
 573         precedence::PRECEDENCE,
 574         print::PRINT_WITH_NEWLINE,
 575         print::PRINTLN_EMPTY_STRING,
 576         ptr::CMP_NULL,
 577         ptr::MUT_FROM_REF,
 578         ptr::PTR_ARG,
 579         ranges::ITERATOR_STEP_BY_ZERO,
 580         ranges::RANGE_MINUS_ONE,
 581         ranges::RANGE_ZIP_WITH_LEN,
 582         reference::DEREF_ADDROF,
 583         regex::INVALID_REGEX,
 584         regex::REGEX_MACRO,
 585         regex::TRIVIAL_REGEX,
 586         returns::LET_AND_RETURN,
 587         returns::NEEDLESS_RETURN,
 588         serde_api::SERDE_API_MISUSE,
 589         strings::STRING_LIT_AS_BYTES,
 590         swap::ALMOST_SWAPPED,
 591         swap::MANUAL_SWAP,
 592         temporary_assignment::TEMPORARY_ASSIGNMENT,
 593         transmute::CROSSPOINTER_TRANSMUTE,
 594         transmute::TRANSMUTE_BYTES_TO_STR,
 595         transmute::TRANSMUTE_INT_TO_BOOL,
 596         transmute::TRANSMUTE_INT_TO_CHAR,
 597         transmute::TRANSMUTE_INT_TO_FLOAT,
 598         transmute::TRANSMUTE_PTR_TO_REF,
 599         transmute::USELESS_TRANSMUTE,
 600         transmute::WRONG_TRANSMUTE,
 601         types::ABSURD_EXTREME_COMPARISONS,
 602         types::BORROWED_BOX,
 603         types::BOX_VEC,
 604         types::CAST_LOSSLESS,
 605         types::CHAR_LIT_AS_U8,
 606         types::IMPLICIT_HASHER,
 607         types::LET_UNIT_VALUE,
 608         types::LINKEDLIST,
 609         types::TYPE_COMPLEXITY,
 610         types::UNIT_CMP,
 611         types::UNNECESSARY_CAST,
 612         unicode::ZERO_WIDTH_SPACE,
 613         unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
 614         unused_io_amount::UNUSED_IO_AMOUNT,
 615         unused_label::UNUSED_LABEL,
 616         vec::USELESS_VEC,
 617         zero_div_zero::ZERO_DIVIDED_BY_ZERO,
 618     ]);
 619 }
 620
 621 // only exists to let the dogfood integration test works.
 622 // Don't run clippy as an executable directly
 623 #[allow(dead_code, print_stdout)]
 624 fn main() {
 625     panic!("Please use the cargo-clippy executable");
 626 }