clippy_lints/src/lib.rs

   1 // error-pattern:cargo-clippy
   2
   3 #![feature(box_syntax)]
   4 #![feature(alloc)]
   5 #![feature(custom_attribute)]
   6 #![feature(i128_type)]
   7 #![feature(i128)]
   8 #![feature(rustc_private)]
   9 #![feature(slice_patterns)]
  10 #![feature(stmt_expr_attributes)]
  11 #![feature(conservative_impl_trait)]
  12
  13 #![allow(indexing_slicing, shadow_reuse, unknown_lints, missing_docs_in_private_items)]
  14
  15 extern crate syntax;
  16 extern crate syntax_pos;
  17 #[macro_use]
  18 extern crate rustc;
  19 extern crate rustc_data_structures;
  20
  21 extern crate toml;
  22
  23 // Only for the compile time checking of paths
  24 extern crate core;
  25 extern crate alloc;
  26
  27 // for unicode nfc normalization
  28 extern crate unicode_normalization;
  29
  30 // for semver check in attrs.rs
  31 extern crate semver;
  32
  33 // for regex checking
  34 extern crate regex_syntax;
  35
  36 // for finding minimal boolean expressions
  37 extern crate quine_mc_cluskey;
  38
  39 extern crate rustc_errors;
  40 extern crate rustc_plugin;
  41 extern crate rustc_const_eval;
  42 extern crate rustc_const_math;
  43
  44 #[macro_use]
  45 extern crate matches as matches_macro;
  46
  47 #[macro_use]
  48 extern crate serde_derive;
  49 extern crate serde;
  50
  51 #[macro_use]
  52 extern crate lazy_static;
  53
  54 extern crate itertools;
  55 extern crate pulldown_cmark;
  56
  57 macro_rules! declare_restriction_lint {
  58     { pub $name:tt, $description:tt } => {
  59         declare_lint! { pub $name, Allow, $description }
  60     };
  61 }
  62
  63 pub mod consts;
  64 #[macro_use]
  65 pub mod utils;
  66
  67 // begin lints modules, do not remove this comment, it’s used in `update_lints`
  68 pub mod approx_const;
  69 pub mod arithmetic;
  70 pub mod array_indexing;
  71 pub mod assign_ops;
  72 pub mod attrs;
  73 pub mod bit_mask;
  74 pub mod blacklisted_name;
  75 pub mod block_in_if_condition;
  76 pub mod booleans;
  77 pub mod bytecount;
  78 pub mod collapsible_if;
  79 pub mod copies;
  80 pub mod cyclomatic_complexity;
  81 pub mod derive;
  82 pub mod doc;
  83 pub mod double_parens;
  84 pub mod drop_forget_ref;
  85 pub mod empty_enum;
  86 pub mod entry;
  87 pub mod enum_clike;
  88 pub mod enum_glob_use;
  89 pub mod enum_variants;
  90 pub mod eq_op;
  91 pub mod escape;
  92 pub mod eta_reduction;
  93 pub mod eval_order_dependence;
  94 pub mod format;
  95 pub mod formatting;
  96 pub mod functions;
  97 pub mod identity_op;
  98 pub mod if_let_redundant_pattern_matching;
  99 pub mod if_not_else;
 100 pub mod items_after_statements;
 101 pub mod large_enum_variant;
 102 pub mod len_zero;
 103 pub mod let_if_seq;
 104 pub mod lifetimes;
 105 pub mod literal_digit_grouping;
 106 pub mod loops;
 107 pub mod map_clone;
 108 pub mod matches;
 109 pub mod mem_forget;
 110 pub mod methods;
 111 pub mod minmax;
 112 pub mod misc;
 113 pub mod misc_early;
 114 pub mod missing_doc;
 115 pub mod mut_mut;
 116 pub mod mut_reference;
 117 pub mod mutex_atomic;
 118 pub mod needless_bool;
 119 pub mod needless_borrow;
 120 pub mod needless_borrowed_ref;
 121 pub mod needless_continue;
 122 pub mod needless_pass_by_value;
 123 pub mod needless_update;
 124 pub mod neg_multiply;
 125 pub mod new_without_default;
 126 pub mod no_effect;
 127 pub mod non_expressive_names;
 128 pub mod ok_if_let;
 129 pub mod open_options;
 130 pub mod overflow_check_conditional;
 131 pub mod panic;
 132 pub mod partialeq_ne_impl;
 133 pub mod precedence;
 134 pub mod print;
 135 pub mod ptr;
 136 pub mod ranges;
 137 pub mod reference;
 138 pub mod regex;
 139 pub mod returns;
 140 pub mod serde_api;
 141 pub mod shadow;
 142 pub mod should_assert_eq;
 143 pub mod strings;
 144 pub mod swap;
 145 pub mod temporary_assignment;
 146 pub mod transmute;
 147 pub mod types;
 148 pub mod unicode;
 149 pub mod unsafe_removed_from_name;
 150 pub mod unused_io_amount;
 151 pub mod unused_label;
 152 pub mod use_self;
 153 pub mod vec;
 154 pub mod zero_div_zero;
 155 // end lints modules, do not remove this comment, it’s used in `update_lints`
 156
 157 mod reexport {
 158     pub use syntax::ast::{Name, NodeId};
 159 }
 160
 161 #[cfg_attr(rustfmt, rustfmt_skip)]
 162 pub fn register_plugins(reg: &mut rustc_plugin::Registry) {
 163     let conf = match utils::conf::file_from_args(reg.args()) {
 164         Ok(file_name) => {
 165             // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
 166             // do not require the file to exist
 167             let file_name = if let Some(file_name) = file_name {
 168                 Some(file_name)
 169             } else {
 170                 match utils::conf::lookup_conf_file() {
 171                     Ok(path) => path,
 172                     Err(error) => {
 173                         reg.sess.struct_err(&format!("error reading Clippy's configuration file: {}", error)).emit();
 174                         None
 175                     }
 176                 }
 177             };
 178
 179             let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
 180
 181             // all conf errors are non-fatal, we just use the default conf in case of error
 182             for error in errors {
 183                 reg.sess.struct_err(&format!("error reading Clippy's configuration file: {}", error)).emit();
 184             }
 185
 186             conf
 187         }
 188         Err((err, span)) => {
 189             reg.sess.struct_span_err(span, err)
 190                     .span_note(span, "Clippy will use default configuration")
 191                     .emit();
 192             toml::from_str("").expect("we never error on empty config files")
 193         }
 194     };
 195
 196     let mut store = reg.sess.lint_store.borrow_mut();
 197     store.register_removed(
 198         "extend_from_slice",
 199         "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
 200     );
 201     store.register_removed(
 202         "range_step_by_zero",
 203         "`iterator.step_by(0)` panics nowadays",
 204     );
 205     store.register_removed(
 206         "unstable_as_slice",
 207         "`Vec::as_slice` has been stabilized in 1.7",
 208     );
 209     store.register_removed(
 210         "unstable_as_mut_slice",
 211         "`Vec::as_mut_slice` has been stabilized in 1.7",
 212     );
 213     store.register_removed(
 214         "str_to_string",
 215         "using `str::to_string` is common even today and specialization will likely happen soon",
 216     );
 217     store.register_removed(
 218         "string_to_string",
 219         "using `string::to_string` is common even today and specialization will likely happen soon",
 220     );
 221     // end deprecated lints, do not remove this comment, it’s used in `update_lints`
 222
 223     reg.register_late_lint_pass(box serde_api::Serde);
 224     reg.register_early_lint_pass(box utils::internal_lints::Clippy);
 225     reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
 226     reg.register_late_lint_pass(box utils::inspector::Pass);
 227     reg.register_late_lint_pass(box utils::author::Pass);
 228     reg.register_late_lint_pass(box types::TypePass);
 229     reg.register_late_lint_pass(box booleans::NonminimalBool);
 230     reg.register_late_lint_pass(box eq_op::EqOp);
 231     reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
 232     reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
 233     reg.register_late_lint_pass(box enum_clike::UnportableVariant);
 234     reg.register_late_lint_pass(box bit_mask::BitMask);
 235     reg.register_late_lint_pass(box ptr::PointerPass);
 236     reg.register_late_lint_pass(box needless_bool::NeedlessBool);
 237     reg.register_late_lint_pass(box needless_bool::BoolComparison);
 238     reg.register_late_lint_pass(box approx_const::Pass);
 239     reg.register_late_lint_pass(box misc::Pass);
 240     reg.register_early_lint_pass(box precedence::Precedence);
 241     reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
 242     reg.register_late_lint_pass(box eta_reduction::EtaPass);
 243     reg.register_late_lint_pass(box identity_op::IdentityOp);
 244     reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
 245     reg.register_late_lint_pass(box mut_mut::MutMut);
 246     reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
 247     reg.register_late_lint_pass(box len_zero::LenZero);
 248     reg.register_late_lint_pass(box attrs::AttrPass);
 249     reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
 250     reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
 251     reg.register_late_lint_pass(box unicode::Unicode);
 252     reg.register_late_lint_pass(box strings::StringAdd);
 253     reg.register_early_lint_pass(box returns::ReturnPass);
 254     reg.register_late_lint_pass(box methods::Pass);
 255     reg.register_late_lint_pass(box shadow::Pass);
 256     reg.register_late_lint_pass(box types::LetPass);
 257     reg.register_late_lint_pass(box types::UnitCmp);
 258     reg.register_late_lint_pass(box loops::Pass);
 259     reg.register_late_lint_pass(box lifetimes::LifetimePass);
 260     reg.register_late_lint_pass(box entry::HashMapLint);
 261     reg.register_late_lint_pass(box ranges::StepByZero);
 262     reg.register_late_lint_pass(box types::CastPass);
 263     reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
 264     reg.register_late_lint_pass(box matches::MatchPass);
 265     reg.register_late_lint_pass(box minmax::MinMaxPass);
 266     reg.register_late_lint_pass(box open_options::NonSensical);
 267     reg.register_late_lint_pass(box zero_div_zero::Pass);
 268     reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
 269     reg.register_late_lint_pass(box needless_update::Pass);
 270     reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow);
 271     reg.register_late_lint_pass(box no_effect::Pass);
 272     reg.register_late_lint_pass(box map_clone::Pass);
 273     reg.register_late_lint_pass(box temporary_assignment::Pass);
 274     reg.register_late_lint_pass(box transmute::Transmute);
 275     reg.register_late_lint_pass(
 276         box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
 277     );
 278     reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
 279     reg.register_early_lint_pass(box misc_early::MiscEarly);
 280     reg.register_late_lint_pass(box array_indexing::ArrayIndexing);
 281     reg.register_late_lint_pass(box panic::Pass);
 282     reg.register_late_lint_pass(box strings::StringLitAsBytes);
 283     reg.register_late_lint_pass(box derive::Derive);
 284     reg.register_late_lint_pass(box types::CharLitAsU8);
 285     reg.register_late_lint_pass(box print::Pass);
 286     reg.register_late_lint_pass(box vec::Pass);
 287     reg.register_early_lint_pass(box non_expressive_names::NonExpressiveNames {
 288         single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
 289     });
 290     reg.register_late_lint_pass(box drop_forget_ref::Pass);
 291     reg.register_late_lint_pass(box empty_enum::EmptyEnum);
 292     reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
 293     reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
 294     reg.register_late_lint_pass(box regex::Pass::default());
 295     reg.register_late_lint_pass(box copies::CopyAndPaste);
 296     reg.register_late_lint_pass(box format::Pass);
 297     reg.register_early_lint_pass(box formatting::Formatting);
 298     reg.register_late_lint_pass(box swap::Swap);
 299     reg.register_early_lint_pass(box if_not_else::IfNotElse);
 300     reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
 301     reg.register_late_lint_pass(box unused_label::UnusedLabel);
 302     reg.register_late_lint_pass(box new_without_default::NewWithoutDefault);
 303     reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names));
 304     reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
 305     reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents));
 306     reg.register_late_lint_pass(box neg_multiply::NegMultiply);
 307     reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
 308     reg.register_late_lint_pass(box mem_forget::MemForget);
 309     reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
 310     reg.register_late_lint_pass(box assign_ops::AssignOps);
 311     reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
 312     reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
 313     reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
 314     reg.register_late_lint_pass(box ok_if_let::Pass);
 315     reg.register_late_lint_pass(box if_let_redundant_pattern_matching::Pass);
 316     reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
 317     reg.register_early_lint_pass(box reference::Pass);
 318     reg.register_early_lint_pass(box double_parens::DoubleParens);
 319     reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
 320     reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
 321     reg.register_late_lint_pass(box should_assert_eq::ShouldAssertEq);
 322     reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
 323     reg.register_early_lint_pass(box literal_digit_grouping::LiteralDigitGrouping);
 324     reg.register_late_lint_pass(box use_self::UseSelf);
 325     reg.register_late_lint_pass(box bytecount::ByteCount);
 326
 327     reg.register_lint_group("clippy_restrictions", vec![
 328         arithmetic::FLOAT_ARITHMETIC,
 329         arithmetic::INTEGER_ARITHMETIC,
 330         array_indexing::INDEXING_SLICING,
 331         assign_ops::ASSIGN_OPS,
 332     ]);
 333
 334     reg.register_lint_group("clippy_pedantic", vec![
 335         booleans::NONMINIMAL_BOOL,
 336         empty_enum::EMPTY_ENUM,
 337         enum_glob_use::ENUM_GLOB_USE,
 338         enum_variants::PUB_ENUM_VARIANT_NAMES,
 339         enum_variants::STUTTER,
 340         if_not_else::IF_NOT_ELSE,
 341         items_after_statements::ITEMS_AFTER_STATEMENTS,
 342         matches::SINGLE_MATCH_ELSE,
 343         mem_forget::MEM_FORGET,
 344         methods::FILTER_MAP,
 345         methods::OPTION_MAP_UNWRAP_OR,
 346         methods::OPTION_MAP_UNWRAP_OR_ELSE,
 347         methods::OPTION_UNWRAP_USED,
 348         methods::RESULT_UNWRAP_USED,
 349         methods::WRONG_PUB_SELF_CONVENTION,
 350         misc::USED_UNDERSCORE_BINDING,
 351         misc_early::UNSEPARATED_LITERAL_SUFFIX,
 352         missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
 353         mut_mut::MUT_MUT,
 354         mutex_atomic::MUTEX_INTEGER,
 355         non_expressive_names::SIMILAR_NAMES,
 356         print::PRINT_STDOUT,
 357         print::USE_DEBUG,
 358         shadow::SHADOW_REUSE,
 359         shadow::SHADOW_SAME,
 360         shadow::SHADOW_UNRELATED,
 361         strings::STRING_ADD,
 362         strings::STRING_ADD_ASSIGN,
 363         types::CAST_POSSIBLE_TRUNCATION,
 364         types::CAST_POSSIBLE_WRAP,
 365         types::CAST_PRECISION_LOSS,
 366         types::CAST_SIGN_LOSS,
 367         types::INVALID_UPCAST_COMPARISONS,
 368         unicode::NON_ASCII_LITERAL,
 369         unicode::UNICODE_NOT_NFC,
 370         use_self::USE_SELF,
 371     ]);
 372
 373     reg.register_lint_group("clippy_internal", vec![
 374         utils::internal_lints::CLIPPY_LINTS_INTERNAL,
 375         utils::internal_lints::LINT_WITHOUT_LINT_PASS,
 376     ]);
 377
 378     reg.register_lint_group("clippy", vec![
 379         approx_const::APPROX_CONSTANT,
 380         array_indexing::OUT_OF_BOUNDS_INDEXING,
 381         assign_ops::ASSIGN_OP_PATTERN,
 382         assign_ops::MISREFACTORED_ASSIGN_OP,
 383         attrs::DEPRECATED_SEMVER,
 384         attrs::INLINE_ALWAYS,
 385         attrs::USELESS_ATTRIBUTE,
 386         bit_mask::BAD_BIT_MASK,
 387         bit_mask::INEFFECTIVE_BIT_MASK,
 388         bit_mask::VERBOSE_BIT_MASK,
 389         blacklisted_name::BLACKLISTED_NAME,
 390         block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
 391         block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
 392         booleans::LOGIC_BUG,
 393         bytecount::NAIVE_BYTECOUNT,
 394         collapsible_if::COLLAPSIBLE_IF,
 395         copies::IF_SAME_THEN_ELSE,
 396         copies::IFS_SAME_COND,
 397         copies::MATCH_SAME_ARMS,
 398         cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
 399         derive::DERIVE_HASH_XOR_EQ,
 400         derive::EXPL_IMPL_CLONE_ON_COPY,
 401         doc::DOC_MARKDOWN,
 402         double_parens::DOUBLE_PARENS,
 403         drop_forget_ref::DROP_COPY,
 404         drop_forget_ref::DROP_REF,
 405         drop_forget_ref::FORGET_COPY,
 406         drop_forget_ref::FORGET_REF,
 407         entry::MAP_ENTRY,
 408         enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
 409         enum_variants::ENUM_VARIANT_NAMES,
 410         enum_variants::MODULE_INCEPTION,
 411         eq_op::EQ_OP,
 412         eq_op::OP_REF,
 413         escape::BOXED_LOCAL,
 414         eta_reduction::REDUNDANT_CLOSURE,
 415         eval_order_dependence::DIVERGING_SUB_EXPRESSION,
 416         eval_order_dependence::EVAL_ORDER_DEPENDENCE,
 417         format::USELESS_FORMAT,
 418         formatting::POSSIBLE_MISSING_COMMA,
 419         formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
 420         formatting::SUSPICIOUS_ELSE_FORMATTING,
 421         functions::NOT_UNSAFE_PTR_ARG_DEREF,
 422         functions::TOO_MANY_ARGUMENTS,
 423         identity_op::IDENTITY_OP,
 424         if_let_redundant_pattern_matching::IF_LET_REDUNDANT_PATTERN_MATCHING,
 425         large_enum_variant::LARGE_ENUM_VARIANT,
 426         len_zero::LEN_WITHOUT_IS_EMPTY,
 427         len_zero::LEN_ZERO,
 428         let_if_seq::USELESS_LET_IF_SEQ,
 429         lifetimes::NEEDLESS_LIFETIMES,
 430         lifetimes::UNUSED_LIFETIMES,
 431         literal_digit_grouping::INCONSISTENT_DIGIT_GROUPING,
 432         literal_digit_grouping::LARGE_DIGIT_GROUPS,
 433         literal_digit_grouping::UNREADABLE_LITERAL,
 434         loops::EMPTY_LOOP,
 435         loops::EXPLICIT_COUNTER_LOOP,
 436         loops::EXPLICIT_INTO_ITER_LOOP,
 437         loops::EXPLICIT_ITER_LOOP,
 438         loops::FOR_KV_MAP,
 439         loops::FOR_LOOP_OVER_OPTION,
 440         loops::FOR_LOOP_OVER_RESULT,
 441         loops::ITER_NEXT_LOOP,
 442         loops::NEEDLESS_RANGE_LOOP,
 443         loops::NEVER_LOOP,
 444         loops::REVERSE_RANGE_LOOP,
 445         loops::UNUSED_COLLECT,
 446         loops::WHILE_LET_LOOP,
 447         loops::WHILE_LET_ON_ITERATOR,
 448         map_clone::MAP_CLONE,
 449         matches::MATCH_BOOL,
 450         matches::MATCH_OVERLAPPING_ARM,
 451         matches::MATCH_REF_PATS,
 452         matches::MATCH_WILD_ERR_ARM,
 453         matches::SINGLE_MATCH,
 454         methods::CHARS_NEXT_CMP,
 455         methods::CLONE_DOUBLE_REF,
 456         methods::CLONE_ON_COPY,
 457         methods::FILTER_NEXT,
 458         methods::GET_UNWRAP,
 459         methods::ITER_CLONED_COLLECT,
 460         methods::ITER_NTH,
 461         methods::ITER_SKIP_NEXT,
 462         methods::NEW_RET_NO_SELF,
 463         methods::OK_EXPECT,
 464         methods::OR_FUN_CALL,
 465         methods::SEARCH_IS_SOME,
 466         methods::SHOULD_IMPLEMENT_TRAIT,
 467         methods::SINGLE_CHAR_PATTERN,
 468         methods::STRING_EXTEND_CHARS,
 469         methods::TEMPORARY_CSTRING_AS_PTR,
 470         methods::WRONG_SELF_CONVENTION,
 471         minmax::MIN_MAX,
 472         misc::CMP_NAN,
 473         misc::CMP_OWNED,
 474         misc::FLOAT_CMP,
 475         misc::MODULO_ONE,
 476         misc::REDUNDANT_PATTERN,
 477         misc::SHORT_CIRCUIT_STATEMENT,
 478         misc::TOPLEVEL_REF_ARG,
 479         misc::ZERO_PTR,
 480         misc_early::BUILTIN_TYPE_SHADOW,
 481         misc_early::DOUBLE_NEG,
 482         misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
 483         misc_early::MIXED_CASE_HEX_LITERALS,
 484         misc_early::REDUNDANT_CLOSURE_CALL,
 485         misc_early::UNNEEDED_FIELD_PATTERN,
 486         misc_early::ZERO_PREFIXED_LITERAL,
 487         mut_reference::UNNECESSARY_MUT_PASSED,
 488         mutex_atomic::MUTEX_ATOMIC,
 489         needless_bool::BOOL_COMPARISON,
 490         needless_bool::NEEDLESS_BOOL,
 491         needless_borrow::NEEDLESS_BORROW,
 492         needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
 493         needless_continue::NEEDLESS_CONTINUE,
 494         needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
 495         needless_update::NEEDLESS_UPDATE,
 496         neg_multiply::NEG_MULTIPLY,
 497         new_without_default::NEW_WITHOUT_DEFAULT,
 498         new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
 499         no_effect::NO_EFFECT,
 500         no_effect::UNNECESSARY_OPERATION,
 501         non_expressive_names::MANY_SINGLE_CHAR_NAMES,
 502         ok_if_let::IF_LET_SOME_RESULT,
 503         open_options::NONSENSICAL_OPEN_OPTIONS,
 504         overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
 505         panic::PANIC_PARAMS,
 506         partialeq_ne_impl::PARTIALEQ_NE_IMPL,
 507         precedence::PRECEDENCE,
 508         print::PRINT_WITH_NEWLINE,
 509         ptr::CMP_NULL,
 510         ptr::MUT_FROM_REF,
 511         ptr::PTR_ARG,
 512         ranges::ITERATOR_STEP_BY_ZERO,
 513         ranges::RANGE_ZIP_WITH_LEN,
 514         reference::DEREF_ADDROF,
 515         regex::INVALID_REGEX,
 516         regex::REGEX_MACRO,
 517         regex::TRIVIAL_REGEX,
 518         returns::LET_AND_RETURN,
 519         returns::NEEDLESS_RETURN,
 520         serde_api::SERDE_API_MISUSE,
 521         should_assert_eq::SHOULD_ASSERT_EQ,
 522         strings::STRING_LIT_AS_BYTES,
 523         swap::ALMOST_SWAPPED,
 524         swap::MANUAL_SWAP,
 525         temporary_assignment::TEMPORARY_ASSIGNMENT,
 526         transmute::CROSSPOINTER_TRANSMUTE,
 527         transmute::TRANSMUTE_PTR_TO_REF,
 528         transmute::USELESS_TRANSMUTE,
 529         transmute::WRONG_TRANSMUTE,
 530         types::ABSURD_EXTREME_COMPARISONS,
 531         types::BORROWED_BOX,
 532         types::BOX_VEC,
 533         types::CHAR_LIT_AS_U8,
 534         types::LET_UNIT_VALUE,
 535         types::LINKEDLIST,
 536         types::TYPE_COMPLEXITY,
 537         types::UNIT_CMP,
 538         types::UNNECESSARY_CAST,
 539         unicode::ZERO_WIDTH_SPACE,
 540         unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
 541         unused_io_amount::UNUSED_IO_AMOUNT,
 542         unused_label::UNUSED_LABEL,
 543         vec::USELESS_VEC,
 544         zero_div_zero::ZERO_DIVIDED_BY_ZERO,
 545     ]);
 546 }
 547
 548 // only exists to let the dogfood integration test works.
 549 // Don't run clippy as an executable directly
 550 #[allow(dead_code, print_stdout)]
 551 fn main() {
 552     panic!("Please use the cargo-clippy executable");
 553 }