clippy_lints/src/lib.rs

   1 // error-pattern:cargo-clippy
   2
   3 #![feature(box_syntax)]
   4 #![feature(rustc_private)]
   5 #![feature(slice_patterns)]
   6 #![feature(stmt_expr_attributes)]
   7 #![feature(range_contains)]
   8 #![feature(str_escape)]
   9 #![allow(clippy::missing_docs_in_private_items)]
  10 #![recursion_limit = "256"]
  11 #![warn(rust_2018_idioms, trivial_casts, trivial_numeric_casts)]
  12 #![feature(crate_visibility_modifier)]
  13 #![feature(try_from)]
  14
  15 // FIXME: switch to something more ergonomic here, once available.
  16 // (currently there is no way to opt into sysroot crates w/o `extern crate`)
  17 #[allow(unused_extern_crates)]
  18 extern crate fmt_macros;
  19 #[allow(unused_extern_crates)]
  20 extern crate rustc;
  21 #[allow(unused_extern_crates)]
  22 extern crate rustc_data_structures;
  23 #[allow(unused_extern_crates)]
  24 extern crate rustc_errors;
  25 #[allow(unused_extern_crates)]
  26 extern crate rustc_mir;
  27 #[allow(unused_extern_crates)]
  28 extern crate rustc_plugin;
  29 #[allow(unused_extern_crates)]
  30 extern crate rustc_target;
  31 #[allow(unused_extern_crates)]
  32 extern crate rustc_typeck;
  33 #[allow(unused_extern_crates)]
  34 extern crate syntax;
  35 #[allow(unused_extern_crates)]
  36 extern crate syntax_pos;
  37
  38 use toml;
  39
  40 // Currently, categories "style", "correctness", "complexity" and "perf" are enabled by default,
  41 // as said in the README.md of this repository. If this changes, please update README.md.
  42 #[macro_export]
  43 macro_rules! declare_clippy_lint {
  44     { pub $name:tt, style, $description:tt } => {
  45         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  46     };
  47     { pub $name:tt, correctness, $description:tt } => {
  48         declare_tool_lint! { pub clippy::$name, Deny, $description, report_in_external_macro: true }
  49     };
  50     { pub $name:tt, complexity, $description:tt } => {
  51         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  52     };
  53     { pub $name:tt, perf, $description:tt } => {
  54         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  55     };
  56     { pub $name:tt, pedantic, $description:tt } => {
  57         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  58     };
  59     { pub $name:tt, restriction, $description:tt } => {
  60         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  61     };
  62     { pub $name:tt, cargo, $description:tt } => {
  63         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  64     };
  65     { pub $name:tt, nursery, $description:tt } => {
  66         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  67     };
  68     { pub $name:tt, internal, $description:tt } => {
  69         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  70     };
  71     { pub $name:tt, internal_warn, $description:tt } => {
  72         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  73     };
  74 }
  75
  76 mod consts;
  77 #[macro_use]
  78 mod utils;
  79
  80 // begin lints modules, do not remove this comment, it’s used in `update_lints`
  81 pub mod approx_const;
  82 pub mod arithmetic;
  83 pub mod assertions_on_constants;
  84 pub mod assign_ops;
  85 pub mod attrs;
  86 pub mod bit_mask;
  87 pub mod blacklisted_name;
  88 pub mod block_in_if_condition;
  89 pub mod booleans;
  90 pub mod bytecount;
  91 pub mod cargo_common_metadata;
  92 pub mod collapsible_if;
  93 pub mod const_static_lifetime;
  94 pub mod copies;
  95 pub mod copy_iterator;
  96 pub mod cyclomatic_complexity;
  97 pub mod default_trait_access;
  98 pub mod derive;
  99 pub mod doc;
 100 pub mod double_comparison;
 101 pub mod double_parens;
 102 pub mod drop_forget_ref;
 103 pub mod duration_subsec;
 104 pub mod else_if_without_else;
 105 pub mod empty_enum;
 106 pub mod entry;
 107 pub mod enum_clike;
 108 pub mod enum_glob_use;
 109 pub mod enum_variants;
 110 pub mod eq_op;
 111 pub mod erasing_op;
 112 pub mod escape;
 113 pub mod eta_reduction;
 114 pub mod eval_order_dependence;
 115 pub mod excessive_precision;
 116 pub mod explicit_write;
 117 pub mod fallible_impl_from;
 118 pub mod format;
 119 pub mod formatting;
 120 pub mod functions;
 121 pub mod identity_conversion;
 122 pub mod identity_op;
 123 pub mod if_not_else;
 124 pub mod implicit_return;
 125 pub mod indexing_slicing;
 126 pub mod infallible_destructuring_match;
 127 pub mod infinite_iter;
 128 pub mod inherent_impl;
 129 pub mod inline_fn_without_body;
 130 pub mod int_plus_one;
 131 pub mod invalid_ref;
 132 pub mod items_after_statements;
 133 pub mod large_enum_variant;
 134 pub mod len_zero;
 135 pub mod let_if_seq;
 136 pub mod lifetimes;
 137 pub mod literal_representation;
 138 pub mod loops;
 139 pub mod map_clone;
 140 pub mod map_unit_fn;
 141 pub mod matches;
 142 pub mod mem_discriminant;
 143 pub mod mem_forget;
 144 pub mod mem_replace;
 145 pub mod methods;
 146 pub mod minmax;
 147 pub mod misc;
 148 pub mod misc_early;
 149 pub mod missing_const_for_fn;
 150 pub mod missing_doc;
 151 pub mod missing_inline;
 152 pub mod multiple_crate_versions;
 153 pub mod mut_mut;
 154 pub mod mut_reference;
 155 pub mod mutex_atomic;
 156 pub mod needless_bool;
 157 pub mod needless_borrow;
 158 pub mod needless_borrowed_ref;
 159 pub mod needless_continue;
 160 pub mod needless_pass_by_value;
 161 pub mod needless_update;
 162 pub mod neg_cmp_op_on_partial_ord;
 163 pub mod neg_multiply;
 164 pub mod new_without_default;
 165 pub mod no_effect;
 166 pub mod non_copy_const;
 167 pub mod non_expressive_names;
 168 pub mod ok_if_let;
 169 pub mod open_options;
 170 pub mod overflow_check_conditional;
 171 pub mod panic_unimplemented;
 172 pub mod partialeq_ne_impl;
 173 pub mod precedence;
 174 pub mod ptr;
 175 pub mod ptr_offset_with_cast;
 176 pub mod question_mark;
 177 pub mod ranges;
 178 pub mod redundant_clone;
 179 pub mod redundant_field_names;
 180 pub mod redundant_pattern_matching;
 181 pub mod reference;
 182 pub mod regex;
 183 pub mod replace_consts;
 184 pub mod returns;
 185 pub mod serde_api;
 186 pub mod shadow;
 187 pub mod slow_vector_initialization;
 188 pub mod strings;
 189 pub mod suspicious_trait_impl;
 190 pub mod swap;
 191 pub mod temporary_assignment;
 192 pub mod transmute;
 193 pub mod trivially_copy_pass_by_ref;
 194 pub mod types;
 195 pub mod unicode;
 196 pub mod unsafe_removed_from_name;
 197 pub mod unused_io_amount;
 198 pub mod unused_label;
 199 pub mod unwrap;
 200 pub mod use_self;
 201 pub mod vec;
 202 pub mod wildcard_dependencies;
 203 pub mod write;
 204 pub mod zero_div_zero;
 205 // end lints modules, do not remove this comment, it’s used in `update_lints`
 206
 207 pub use crate::utils::conf::Conf;
 208
 209 mod reexport {
 210     crate use syntax::ast::{Name, NodeId};
 211 }
 212
 213 pub fn register_pre_expansion_lints(
 214     session: &rustc::session::Session,
 215     store: &mut rustc::lint::LintStore,
 216     conf: &Conf,
 217 ) {
 218     store.register_pre_expansion_pass(Some(session), true, false, box write::Pass);
 219     store.register_pre_expansion_pass(
 220         Some(session),
 221         true,
 222         false,
 223         box redundant_field_names::RedundantFieldNames,
 224     );
 225     store.register_pre_expansion_pass(
 226         Some(session),
 227         true,
 228         false,
 229         box non_expressive_names::NonExpressiveNames {
 230             single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
 231         },
 232     );
 233     store.register_pre_expansion_pass(Some(session), true, false, box attrs::CfgAttrPass);
 234 }
 235
 236 pub fn read_conf(reg: &rustc_plugin::Registry<'_>) -> Conf {
 237     match utils::conf::file_from_args(reg.args()) {
 238         Ok(file_name) => {
 239             // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
 240             // do not require the file to exist
 241             let file_name = if let Some(file_name) = file_name {
 242                 Some(file_name)
 243             } else {
 244                 match utils::conf::lookup_conf_file() {
 245                     Ok(path) => path,
 246                     Err(error) => {
 247                         reg.sess
 248                             .struct_err(&format!("error finding Clippy's configuration file: {}", error))
 249                             .emit();
 250                         None
 251                     },
 252                 }
 253             };
 254
 255             let file_name = file_name.map(|file_name| {
 256                 if file_name.is_relative() {
 257                     reg.sess
 258                         .local_crate_source_file
 259                         .as_ref()
 260                         .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
 261                         .unwrap_or_default()
 262                         .join(file_name)
 263                 } else {
 264                     file_name
 265                 }
 266             });
 267
 268             let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
 269
 270             // all conf errors are non-fatal, we just use the default conf in case of error
 271             for error in errors {
 272                 reg.sess
 273                     .struct_err(&format!(
 274                         "error reading Clippy's configuration file `{}`: {}",
 275                         file_name.as_ref().and_then(|p| p.to_str()).unwrap_or(""),
 276                         error
 277                     ))
 278                     .emit();
 279             }
 280
 281             conf
 282         },
 283         Err((err, span)) => {
 284             reg.sess
 285                 .struct_span_err(span, err)
 286                 .span_note(span, "Clippy will use default configuration")
 287                 .emit();
 288             toml::from_str("").expect("we never error on empty config files")
 289         },
 290     }
 291 }
 292
 293 #[rustfmt::skip]
 294 pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
 295     let mut store = reg.sess.lint_store.borrow_mut();
 296     // begin deprecated lints, do not remove this comment, it’s used in `update_lints`
 297     store.register_removed(
 298         "should_assert_eq",
 299         "`assert!()` will be more flexible with RFC 2011",
 300     );
 301     store.register_removed(
 302         "extend_from_slice",
 303         "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
 304     );
 305     store.register_removed(
 306         "range_step_by_zero",
 307         "`iterator.step_by(0)` panics nowadays",
 308     );
 309     store.register_removed(
 310         "unstable_as_slice",
 311         "`Vec::as_slice` has been stabilized in 1.7",
 312     );
 313     store.register_removed(
 314         "unstable_as_mut_slice",
 315         "`Vec::as_mut_slice` has been stabilized in 1.7",
 316     );
 317     store.register_removed(
 318         "str_to_string",
 319         "using `str::to_string` is common even today and specialization will likely happen soon",
 320     );
 321     store.register_removed(
 322         "string_to_string",
 323         "using `string::to_string` is common even today and specialization will likely happen soon",
 324     );
 325     store.register_removed(
 326         "misaligned_transmute",
 327         "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
 328     );
 329     store.register_removed(
 330         "assign_ops",
 331         "using compound assignment operators (e.g. `+=`) is harmless",
 332     );
 333     store.register_removed(
 334         "if_let_redundant_pattern_matching",
 335         "this lint has been changed to redundant_pattern_matching",
 336     );
 337     store.register_removed(
 338         "unsafe_vector_initialization",
 339         "the replacement suggested by this lint had substantially different behavior",
 340     );
 341     // end deprecated lints, do not remove this comment, it’s used in `update_lints`
 342
 343     reg.register_late_lint_pass(box serde_api::Serde);
 344     reg.register_early_lint_pass(box utils::internal_lints::Clippy);
 345     reg.register_late_lint_pass(box utils::internal_lints::CompilerLintFunctions::new());
 346     reg.register_early_lint_pass(box utils::internal_lints::DefaultHashTypes::default());
 347     reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
 348     reg.register_late_lint_pass(box utils::inspector::Pass);
 349     reg.register_late_lint_pass(box utils::author::Pass);
 350     reg.register_late_lint_pass(box types::TypePass);
 351     reg.register_late_lint_pass(box booleans::NonminimalBool);
 352     reg.register_late_lint_pass(box eq_op::EqOp);
 353     reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
 354     reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
 355     reg.register_late_lint_pass(box enum_clike::UnportableVariant);
 356     reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
 357     reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
 358     reg.register_late_lint_pass(box ptr::PointerPass);
 359     reg.register_late_lint_pass(box needless_bool::NeedlessBool);
 360     reg.register_late_lint_pass(box needless_bool::BoolComparison);
 361     reg.register_late_lint_pass(box approx_const::Pass);
 362     reg.register_late_lint_pass(box misc::Pass);
 363     reg.register_early_lint_pass(box precedence::Precedence);
 364     reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
 365     reg.register_late_lint_pass(box eta_reduction::EtaPass);
 366     reg.register_late_lint_pass(box identity_op::IdentityOp);
 367     reg.register_late_lint_pass(box erasing_op::ErasingOp);
 368     reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
 369     reg.register_late_lint_pass(box mut_mut::MutMut);
 370     reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
 371     reg.register_late_lint_pass(box len_zero::LenZero);
 372     reg.register_late_lint_pass(box attrs::AttrPass);
 373     reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
 374     reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
 375     reg.register_late_lint_pass(box unicode::Unicode);
 376     reg.register_late_lint_pass(box strings::StringAdd);
 377     reg.register_early_lint_pass(box returns::ReturnPass);
 378     reg.register_late_lint_pass(box implicit_return::Pass);
 379     reg.register_late_lint_pass(box methods::Pass);
 380     reg.register_late_lint_pass(box map_clone::Pass);
 381     reg.register_late_lint_pass(box shadow::Pass);
 382     reg.register_late_lint_pass(box types::LetPass);
 383     reg.register_late_lint_pass(box types::UnitCmp);
 384     reg.register_late_lint_pass(box loops::Pass);
 385     reg.register_late_lint_pass(box lifetimes::LifetimePass);
 386     reg.register_late_lint_pass(box entry::HashMapLint);
 387     reg.register_late_lint_pass(box ranges::Pass);
 388     reg.register_late_lint_pass(box types::CastPass);
 389     reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
 390     reg.register_late_lint_pass(box matches::MatchPass);
 391     reg.register_late_lint_pass(box minmax::MinMaxPass);
 392     reg.register_late_lint_pass(box open_options::NonSensical);
 393     reg.register_late_lint_pass(box zero_div_zero::Pass);
 394     reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
 395     reg.register_late_lint_pass(box needless_update::Pass);
 396     reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow::default());
 397     reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
 398     reg.register_late_lint_pass(box no_effect::Pass);
 399     reg.register_late_lint_pass(box temporary_assignment::Pass);
 400     reg.register_late_lint_pass(box transmute::Transmute);
 401     reg.register_late_lint_pass(
 402         box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
 403     );
 404     reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
 405     reg.register_early_lint_pass(box misc_early::MiscEarly);
 406     reg.register_late_lint_pass(box panic_unimplemented::Pass);
 407     reg.register_late_lint_pass(box strings::StringLitAsBytes);
 408     reg.register_late_lint_pass(box derive::Derive);
 409     reg.register_late_lint_pass(box types::CharLitAsU8);
 410     reg.register_late_lint_pass(box vec::Pass);
 411     reg.register_late_lint_pass(box drop_forget_ref::Pass);
 412     reg.register_late_lint_pass(box empty_enum::EmptyEnum);
 413     reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
 414     reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
 415     reg.register_late_lint_pass(box regex::Pass::default());
 416     reg.register_late_lint_pass(box copies::CopyAndPaste);
 417     reg.register_late_lint_pass(box copy_iterator::CopyIterator);
 418     reg.register_late_lint_pass(box format::Pass);
 419     reg.register_early_lint_pass(box formatting::Formatting);
 420     reg.register_late_lint_pass(box swap::Swap);
 421     reg.register_early_lint_pass(box if_not_else::IfNotElse);
 422     reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
 423     reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
 424     reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
 425     reg.register_late_lint_pass(box unused_label::UnusedLabel);
 426     reg.register_late_lint_pass(box new_without_default::NewWithoutDefault::default());
 427     reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(
 428             conf.blacklisted_names.iter().cloned().collect()
 429     ));
 430     reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
 431     reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents.iter().cloned().collect()));
 432     reg.register_late_lint_pass(box neg_multiply::NegMultiply);
 433     reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
 434     reg.register_late_lint_pass(box mem_discriminant::MemDiscriminant);
 435     reg.register_late_lint_pass(box mem_forget::MemForget);
 436     reg.register_late_lint_pass(box mem_replace::MemReplace);
 437     reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
 438     reg.register_late_lint_pass(box assign_ops::AssignOps);
 439     reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
 440     reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
 441     reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
 442     reg.register_late_lint_pass(box missing_inline::MissingInline);
 443     reg.register_late_lint_pass(box ok_if_let::Pass);
 444     reg.register_late_lint_pass(box redundant_pattern_matching::Pass);
 445     reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
 446     reg.register_early_lint_pass(box reference::Pass);
 447     reg.register_early_lint_pass(box reference::DerefPass);
 448     reg.register_early_lint_pass(box double_parens::DoubleParens);
 449     reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
 450     reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
 451     reg.register_late_lint_pass(box explicit_write::Pass);
 452     reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
 453     reg.register_late_lint_pass(box trivially_copy_pass_by_ref::TriviallyCopyPassByRef::new(
 454             conf.trivial_copy_size_limit,
 455             &reg.sess.target,
 456     ));
 457     reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
 458     reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
 459             conf.literal_representation_threshold
 460     ));
 461     reg.register_late_lint_pass(box use_self::UseSelf);
 462     reg.register_late_lint_pass(box bytecount::ByteCount);
 463     reg.register_late_lint_pass(box infinite_iter::Pass);
 464     reg.register_late_lint_pass(box inline_fn_without_body::Pass);
 465     reg.register_late_lint_pass(box invalid_ref::InvalidRef);
 466     reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
 467     reg.register_late_lint_pass(box types::ImplicitHasher);
 468     reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
 469     reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
 470     reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
 471     reg.register_late_lint_pass(box types::UnitArg);
 472     reg.register_late_lint_pass(box double_comparison::Pass);
 473     reg.register_late_lint_pass(box question_mark::Pass);
 474     reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
 475     reg.register_early_lint_pass(box cargo_common_metadata::Pass);
 476     reg.register_early_lint_pass(box multiple_crate_versions::Pass);
 477     reg.register_early_lint_pass(box wildcard_dependencies::Pass);
 478     reg.register_late_lint_pass(box map_unit_fn::Pass);
 479     reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
 480     reg.register_late_lint_pass(box inherent_impl::Pass::default());
 481     reg.register_late_lint_pass(box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd);
 482     reg.register_late_lint_pass(box unwrap::Pass);
 483     reg.register_late_lint_pass(box duration_subsec::DurationSubsec);
 484     reg.register_late_lint_pass(box default_trait_access::DefaultTraitAccess);
 485     reg.register_late_lint_pass(box indexing_slicing::IndexingSlicing);
 486     reg.register_late_lint_pass(box non_copy_const::NonCopyConst);
 487     reg.register_late_lint_pass(box ptr_offset_with_cast::Pass);
 488     reg.register_late_lint_pass(box redundant_clone::RedundantClone);
 489     reg.register_late_lint_pass(box slow_vector_initialization::Pass);
 490     reg.register_late_lint_pass(box types::RefToMut);
 491     reg.register_late_lint_pass(box assertions_on_constants::AssertionsOnConstants);
 492     reg.register_late_lint_pass(box missing_const_for_fn::MissingConstForFn);
 493
 494     reg.register_lint_group("clippy::restriction", Some("clippy_restriction"), vec![
 495         arithmetic::FLOAT_ARITHMETIC,
 496         arithmetic::INTEGER_ARITHMETIC,
 497         else_if_without_else::ELSE_IF_WITHOUT_ELSE,
 498         implicit_return::IMPLICIT_RETURN,
 499         indexing_slicing::INDEXING_SLICING,
 500         inherent_impl::MULTIPLE_INHERENT_IMPL,
 501         literal_representation::DECIMAL_LITERAL_REPRESENTATION,
 502         matches::WILDCARD_MATCH_ARM,
 503         mem_forget::MEM_FORGET,
 504         methods::CLONE_ON_REF_PTR,
 505         methods::OPTION_UNWRAP_USED,
 506         methods::RESULT_UNWRAP_USED,
 507         methods::WRONG_PUB_SELF_CONVENTION,
 508         misc::FLOAT_CMP_CONST,
 509         missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
 510         missing_inline::MISSING_INLINE_IN_PUBLIC_ITEMS,
 511         panic_unimplemented::UNIMPLEMENTED,
 512         shadow::SHADOW_REUSE,
 513         shadow::SHADOW_SAME,
 514         strings::STRING_ADD,
 515         write::PRINT_STDOUT,
 516         write::USE_DEBUG,
 517     ]);
 518
 519     reg.register_lint_group("clippy::pedantic", Some("clippy_pedantic"), vec![
 520         attrs::INLINE_ALWAYS,
 521         copies::MATCH_SAME_ARMS,
 522         copy_iterator::COPY_ITERATOR,
 523         default_trait_access::DEFAULT_TRAIT_ACCESS,
 524         derive::EXPL_IMPL_CLONE_ON_COPY,
 525         doc::DOC_MARKDOWN,
 526         empty_enum::EMPTY_ENUM,
 527         enum_glob_use::ENUM_GLOB_USE,
 528         enum_variants::MODULE_NAME_REPETITIONS,
 529         enum_variants::PUB_ENUM_VARIANT_NAMES,
 530         if_not_else::IF_NOT_ELSE,
 531         infinite_iter::MAYBE_INFINITE_ITER,
 532         items_after_statements::ITEMS_AFTER_STATEMENTS,
 533         literal_representation::LARGE_DIGIT_GROUPS,
 534         loops::EXPLICIT_INTO_ITER_LOOP,
 535         loops::EXPLICIT_ITER_LOOP,
 536         matches::SINGLE_MATCH_ELSE,
 537         methods::FILTER_MAP,
 538         methods::MAP_FLATTEN,
 539         methods::OPTION_MAP_UNWRAP_OR,
 540         methods::OPTION_MAP_UNWRAP_OR_ELSE,
 541         methods::RESULT_MAP_UNWRAP_OR_ELSE,
 542         misc::USED_UNDERSCORE_BINDING,
 543         misc_early::UNSEPARATED_LITERAL_SUFFIX,
 544         mut_mut::MUT_MUT,
 545         needless_continue::NEEDLESS_CONTINUE,
 546         needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
 547         non_expressive_names::SIMILAR_NAMES,
 548         replace_consts::REPLACE_CONSTS,
 549         shadow::SHADOW_UNRELATED,
 550         strings::STRING_ADD_ASSIGN,
 551         types::CAST_POSSIBLE_TRUNCATION,
 552         types::CAST_POSSIBLE_WRAP,
 553         types::CAST_PRECISION_LOSS,
 554         types::CAST_SIGN_LOSS,
 555         types::INVALID_UPCAST_COMPARISONS,
 556         types::LINKEDLIST,
 557         unicode::NON_ASCII_LITERAL,
 558         unicode::UNICODE_NOT_NFC,
 559         use_self::USE_SELF,
 560     ]);
 561
 562     reg.register_lint_group("clippy::internal", Some("clippy_internal"), vec![
 563         utils::internal_lints::CLIPPY_LINTS_INTERNAL,
 564         utils::internal_lints::COMPILER_LINT_FUNCTIONS,
 565         utils::internal_lints::DEFAULT_HASH_TYPES,
 566         utils::internal_lints::LINT_WITHOUT_LINT_PASS,
 567     ]);
 568
 569     reg.register_lint_group("clippy::all", Some("clippy"), vec![
 570         approx_const::APPROX_CONSTANT,
 571         assertions_on_constants::ASSERTIONS_ON_CONSTANTS,
 572         assign_ops::ASSIGN_OP_PATTERN,
 573         assign_ops::MISREFACTORED_ASSIGN_OP,
 574         attrs::DEPRECATED_CFG_ATTR,
 575         attrs::DEPRECATED_SEMVER,
 576         attrs::UNKNOWN_CLIPPY_LINTS,
 577         attrs::USELESS_ATTRIBUTE,
 578         bit_mask::BAD_BIT_MASK,
 579         bit_mask::INEFFECTIVE_BIT_MASK,
 580         bit_mask::VERBOSE_BIT_MASK,
 581         blacklisted_name::BLACKLISTED_NAME,
 582         block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
 583         block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
 584         booleans::LOGIC_BUG,
 585         booleans::NONMINIMAL_BOOL,
 586         bytecount::NAIVE_BYTECOUNT,
 587         collapsible_if::COLLAPSIBLE_IF,
 588         const_static_lifetime::CONST_STATIC_LIFETIME,
 589         copies::IFS_SAME_COND,
 590         copies::IF_SAME_THEN_ELSE,
 591         cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
 592         derive::DERIVE_HASH_XOR_EQ,
 593         double_comparison::DOUBLE_COMPARISONS,
 594         double_parens::DOUBLE_PARENS,
 595         drop_forget_ref::DROP_COPY,
 596         drop_forget_ref::DROP_REF,
 597         drop_forget_ref::FORGET_COPY,
 598         drop_forget_ref::FORGET_REF,
 599         duration_subsec::DURATION_SUBSEC,
 600         entry::MAP_ENTRY,
 601         enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
 602         enum_variants::ENUM_VARIANT_NAMES,
 603         enum_variants::MODULE_INCEPTION,
 604         eq_op::EQ_OP,
 605         eq_op::OP_REF,
 606         erasing_op::ERASING_OP,
 607         escape::BOXED_LOCAL,
 608         eta_reduction::REDUNDANT_CLOSURE,
 609         eval_order_dependence::DIVERGING_SUB_EXPRESSION,
 610         eval_order_dependence::EVAL_ORDER_DEPENDENCE,
 611         excessive_precision::EXCESSIVE_PRECISION,
 612         explicit_write::EXPLICIT_WRITE,
 613         format::USELESS_FORMAT,
 614         formatting::POSSIBLE_MISSING_COMMA,
 615         formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
 616         formatting::SUSPICIOUS_ELSE_FORMATTING,
 617         functions::NOT_UNSAFE_PTR_ARG_DEREF,
 618         functions::TOO_MANY_ARGUMENTS,
 619         identity_conversion::IDENTITY_CONVERSION,
 620         identity_op::IDENTITY_OP,
 621         indexing_slicing::OUT_OF_BOUNDS_INDEXING,
 622         infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
 623         infinite_iter::INFINITE_ITER,
 624         inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
 625         int_plus_one::INT_PLUS_ONE,
 626         invalid_ref::INVALID_REF,
 627         large_enum_variant::LARGE_ENUM_VARIANT,
 628         len_zero::LEN_WITHOUT_IS_EMPTY,
 629         len_zero::LEN_ZERO,
 630         let_if_seq::USELESS_LET_IF_SEQ,
 631         lifetimes::EXTRA_UNUSED_LIFETIMES,
 632         lifetimes::NEEDLESS_LIFETIMES,
 633         literal_representation::INCONSISTENT_DIGIT_GROUPING,
 634         literal_representation::MISTYPED_LITERAL_SUFFIXES,
 635         literal_representation::UNREADABLE_LITERAL,
 636         loops::EMPTY_LOOP,
 637         loops::EXPLICIT_COUNTER_LOOP,
 638         loops::FOR_KV_MAP,
 639         loops::FOR_LOOP_OVER_OPTION,
 640         loops::FOR_LOOP_OVER_RESULT,
 641         loops::ITER_NEXT_LOOP,
 642         loops::MANUAL_MEMCPY,
 643         loops::MUT_RANGE_BOUND,
 644         loops::NEEDLESS_COLLECT,
 645         loops::NEEDLESS_RANGE_LOOP,
 646         loops::NEVER_LOOP,
 647         loops::REVERSE_RANGE_LOOP,
 648         loops::UNUSED_COLLECT,
 649         loops::WHILE_IMMUTABLE_CONDITION,
 650         loops::WHILE_LET_LOOP,
 651         loops::WHILE_LET_ON_ITERATOR,
 652         map_clone::MAP_CLONE,
 653         map_unit_fn::OPTION_MAP_UNIT_FN,
 654         map_unit_fn::RESULT_MAP_UNIT_FN,
 655         matches::MATCH_AS_REF,
 656         matches::MATCH_BOOL,
 657         matches::MATCH_OVERLAPPING_ARM,
 658         matches::MATCH_REF_PATS,
 659         matches::MATCH_WILD_ERR_ARM,
 660         matches::SINGLE_MATCH,
 661         mem_discriminant::MEM_DISCRIMINANT_NON_ENUM,
 662         mem_replace::MEM_REPLACE_OPTION_WITH_NONE,
 663         methods::CHARS_LAST_CMP,
 664         methods::CHARS_NEXT_CMP,
 665         methods::CLONE_DOUBLE_REF,
 666         methods::CLONE_ON_COPY,
 667         methods::EXPECT_FUN_CALL,
 668         methods::FILTER_NEXT,
 669         methods::GET_UNWRAP,
 670         methods::INTO_ITER_ON_ARRAY,
 671         methods::INTO_ITER_ON_REF,
 672         methods::ITER_CLONED_COLLECT,
 673         methods::ITER_NTH,
 674         methods::ITER_SKIP_NEXT,
 675         methods::NEW_RET_NO_SELF,
 676         methods::OK_EXPECT,
 677         methods::OPTION_MAP_OR_NONE,
 678         methods::OR_FUN_CALL,
 679         methods::SEARCH_IS_SOME,
 680         methods::SHOULD_IMPLEMENT_TRAIT,
 681         methods::SINGLE_CHAR_PATTERN,
 682         methods::STRING_EXTEND_CHARS,
 683         methods::TEMPORARY_CSTRING_AS_PTR,
 684         methods::UNNECESSARY_FILTER_MAP,
 685         methods::UNNECESSARY_FOLD,
 686         methods::USELESS_ASREF,
 687         methods::WRONG_SELF_CONVENTION,
 688         minmax::MIN_MAX,
 689         misc::CMP_NAN,
 690         misc::CMP_OWNED,
 691         misc::FLOAT_CMP,
 692         misc::MODULO_ONE,
 693         misc::REDUNDANT_PATTERN,
 694         misc::SHORT_CIRCUIT_STATEMENT,
 695         misc::TOPLEVEL_REF_ARG,
 696         misc::ZERO_PTR,
 697         misc_early::BUILTIN_TYPE_SHADOW,
 698         misc_early::DOUBLE_NEG,
 699         misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
 700         misc_early::MIXED_CASE_HEX_LITERALS,
 701         misc_early::REDUNDANT_CLOSURE_CALL,
 702         misc_early::UNNEEDED_FIELD_PATTERN,
 703         misc_early::ZERO_PREFIXED_LITERAL,
 704         mut_reference::UNNECESSARY_MUT_PASSED,
 705         mutex_atomic::MUTEX_ATOMIC,
 706         needless_bool::BOOL_COMPARISON,
 707         needless_bool::NEEDLESS_BOOL,
 708         needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
 709         needless_update::NEEDLESS_UPDATE,
 710         neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
 711         neg_multiply::NEG_MULTIPLY,
 712         new_without_default::NEW_WITHOUT_DEFAULT,
 713         no_effect::NO_EFFECT,
 714         no_effect::UNNECESSARY_OPERATION,
 715         non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
 716         non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
 717         non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
 718         non_expressive_names::MANY_SINGLE_CHAR_NAMES,
 719         ok_if_let::IF_LET_SOME_RESULT,
 720         open_options::NONSENSICAL_OPEN_OPTIONS,
 721         overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
 722         panic_unimplemented::PANIC_PARAMS,
 723         partialeq_ne_impl::PARTIALEQ_NE_IMPL,
 724         precedence::PRECEDENCE,
 725         ptr::CMP_NULL,
 726         ptr::MUT_FROM_REF,
 727         ptr::PTR_ARG,
 728         ptr_offset_with_cast::PTR_OFFSET_WITH_CAST,
 729         question_mark::QUESTION_MARK,
 730         ranges::ITERATOR_STEP_BY_ZERO,
 731         ranges::RANGE_MINUS_ONE,
 732         ranges::RANGE_PLUS_ONE,
 733         ranges::RANGE_ZIP_WITH_LEN,
 734         redundant_field_names::REDUNDANT_FIELD_NAMES,
 735         redundant_pattern_matching::REDUNDANT_PATTERN_MATCHING,
 736         reference::DEREF_ADDROF,
 737         reference::REF_IN_DEREF,
 738         regex::INVALID_REGEX,
 739         regex::REGEX_MACRO,
 740         regex::TRIVIAL_REGEX,
 741         returns::LET_AND_RETURN,
 742         returns::NEEDLESS_RETURN,
 743         returns::UNUSED_UNIT,
 744         serde_api::SERDE_API_MISUSE,
 745         slow_vector_initialization::SLOW_VECTOR_INITIALIZATION,
 746         strings::STRING_LIT_AS_BYTES,
 747         suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
 748         suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
 749         swap::ALMOST_SWAPPED,
 750         swap::MANUAL_SWAP,
 751         temporary_assignment::TEMPORARY_ASSIGNMENT,
 752         transmute::CROSSPOINTER_TRANSMUTE,
 753         transmute::TRANSMUTE_BYTES_TO_STR,
 754         transmute::TRANSMUTE_INT_TO_BOOL,
 755         transmute::TRANSMUTE_INT_TO_CHAR,
 756         transmute::TRANSMUTE_INT_TO_FLOAT,
 757         transmute::TRANSMUTE_PTR_TO_PTR,
 758         transmute::TRANSMUTE_PTR_TO_REF,
 759         transmute::USELESS_TRANSMUTE,
 760         transmute::WRONG_TRANSMUTE,
 761         trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
 762         types::ABSURD_EXTREME_COMPARISONS,
 763         types::BORROWED_BOX,
 764         types::BOX_VEC,
 765         types::CAST_LOSSLESS,
 766         types::CAST_PTR_ALIGNMENT,
 767         types::CAST_REF_TO_MUT,
 768         types::CHAR_LIT_AS_U8,
 769         types::FN_TO_NUMERIC_CAST,
 770         types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
 771         types::IMPLICIT_HASHER,
 772         types::LET_UNIT_VALUE,
 773         types::OPTION_OPTION,
 774         types::TYPE_COMPLEXITY,
 775         types::UNIT_ARG,
 776         types::UNIT_CMP,
 777         types::UNNECESSARY_CAST,
 778         types::VEC_BOX,
 779         unicode::ZERO_WIDTH_SPACE,
 780         unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
 781         unused_io_amount::UNUSED_IO_AMOUNT,
 782         unused_label::UNUSED_LABEL,
 783         vec::USELESS_VEC,
 784         write::PRINTLN_EMPTY_STRING,
 785         write::PRINT_LITERAL,
 786         write::PRINT_WITH_NEWLINE,
 787         write::WRITELN_EMPTY_STRING,
 788         write::WRITE_LITERAL,
 789         write::WRITE_WITH_NEWLINE,
 790         zero_div_zero::ZERO_DIVIDED_BY_ZERO,
 791     ]);
 792
 793     reg.register_lint_group("clippy::style", Some("clippy_style"), vec![
 794         assertions_on_constants::ASSERTIONS_ON_CONSTANTS,
 795         assign_ops::ASSIGN_OP_PATTERN,
 796         attrs::UNKNOWN_CLIPPY_LINTS,
 797         bit_mask::VERBOSE_BIT_MASK,
 798         blacklisted_name::BLACKLISTED_NAME,
 799         block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
 800         block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
 801         collapsible_if::COLLAPSIBLE_IF,
 802         const_static_lifetime::CONST_STATIC_LIFETIME,
 803         enum_variants::ENUM_VARIANT_NAMES,
 804         enum_variants::MODULE_INCEPTION,
 805         eq_op::OP_REF,
 806         eta_reduction::REDUNDANT_CLOSURE,
 807         excessive_precision::EXCESSIVE_PRECISION,
 808         formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
 809         formatting::SUSPICIOUS_ELSE_FORMATTING,
 810         infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
 811         len_zero::LEN_WITHOUT_IS_EMPTY,
 812         len_zero::LEN_ZERO,
 813         let_if_seq::USELESS_LET_IF_SEQ,
 814         literal_representation::INCONSISTENT_DIGIT_GROUPING,
 815         literal_representation::UNREADABLE_LITERAL,
 816         loops::EMPTY_LOOP,
 817         loops::FOR_KV_MAP,
 818         loops::NEEDLESS_RANGE_LOOP,
 819         loops::WHILE_LET_ON_ITERATOR,
 820         map_clone::MAP_CLONE,
 821         matches::MATCH_BOOL,
 822         matches::MATCH_OVERLAPPING_ARM,
 823         matches::MATCH_REF_PATS,
 824         matches::MATCH_WILD_ERR_ARM,
 825         matches::SINGLE_MATCH,
 826         mem_replace::MEM_REPLACE_OPTION_WITH_NONE,
 827         methods::CHARS_LAST_CMP,
 828         methods::GET_UNWRAP,
 829         methods::INTO_ITER_ON_REF,
 830         methods::ITER_CLONED_COLLECT,
 831         methods::ITER_SKIP_NEXT,
 832         methods::NEW_RET_NO_SELF,
 833         methods::OK_EXPECT,
 834         methods::OPTION_MAP_OR_NONE,
 835         methods::SHOULD_IMPLEMENT_TRAIT,
 836         methods::STRING_EXTEND_CHARS,
 837         methods::UNNECESSARY_FOLD,
 838         methods::WRONG_SELF_CONVENTION,
 839         misc::REDUNDANT_PATTERN,
 840         misc::TOPLEVEL_REF_ARG,
 841         misc::ZERO_PTR,
 842         misc_early::BUILTIN_TYPE_SHADOW,
 843         misc_early::DOUBLE_NEG,
 844         misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
 845         misc_early::MIXED_CASE_HEX_LITERALS,
 846         misc_early::UNNEEDED_FIELD_PATTERN,
 847         mut_reference::UNNECESSARY_MUT_PASSED,
 848         neg_multiply::NEG_MULTIPLY,
 849         new_without_default::NEW_WITHOUT_DEFAULT,
 850         non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
 851         non_expressive_names::MANY_SINGLE_CHAR_NAMES,
 852         ok_if_let::IF_LET_SOME_RESULT,
 853         panic_unimplemented::PANIC_PARAMS,
 854         ptr::CMP_NULL,
 855         ptr::PTR_ARG,
 856         question_mark::QUESTION_MARK,
 857         redundant_field_names::REDUNDANT_FIELD_NAMES,
 858         redundant_pattern_matching::REDUNDANT_PATTERN_MATCHING,
 859         regex::REGEX_MACRO,
 860         regex::TRIVIAL_REGEX,
 861         returns::LET_AND_RETURN,
 862         returns::NEEDLESS_RETURN,
 863         returns::UNUSED_UNIT,
 864         strings::STRING_LIT_AS_BYTES,
 865         types::FN_TO_NUMERIC_CAST,
 866         types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
 867         types::IMPLICIT_HASHER,
 868         types::LET_UNIT_VALUE,
 869         unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
 870         write::PRINTLN_EMPTY_STRING,
 871         write::PRINT_LITERAL,
 872         write::PRINT_WITH_NEWLINE,
 873         write::WRITELN_EMPTY_STRING,
 874         write::WRITE_LITERAL,
 875         write::WRITE_WITH_NEWLINE,
 876     ]);
 877
 878     reg.register_lint_group("clippy::complexity", Some("clippy_complexity"), vec![
 879         assign_ops::MISREFACTORED_ASSIGN_OP,
 880         attrs::DEPRECATED_CFG_ATTR,
 881         booleans::NONMINIMAL_BOOL,
 882         cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
 883         double_comparison::DOUBLE_COMPARISONS,
 884         double_parens::DOUBLE_PARENS,
 885         duration_subsec::DURATION_SUBSEC,
 886         eval_order_dependence::DIVERGING_SUB_EXPRESSION,
 887         eval_order_dependence::EVAL_ORDER_DEPENDENCE,
 888         explicit_write::EXPLICIT_WRITE,
 889         format::USELESS_FORMAT,
 890         functions::TOO_MANY_ARGUMENTS,
 891         identity_conversion::IDENTITY_CONVERSION,
 892         identity_op::IDENTITY_OP,
 893         int_plus_one::INT_PLUS_ONE,
 894         lifetimes::EXTRA_UNUSED_LIFETIMES,
 895         lifetimes::NEEDLESS_LIFETIMES,
 896         loops::EXPLICIT_COUNTER_LOOP,
 897         loops::MUT_RANGE_BOUND,
 898         loops::WHILE_LET_LOOP,
 899         map_unit_fn::OPTION_MAP_UNIT_FN,
 900         map_unit_fn::RESULT_MAP_UNIT_FN,
 901         matches::MATCH_AS_REF,
 902         methods::CHARS_NEXT_CMP,
 903         methods::CLONE_ON_COPY,
 904         methods::FILTER_NEXT,
 905         methods::SEARCH_IS_SOME,
 906         methods::UNNECESSARY_FILTER_MAP,
 907         methods::USELESS_ASREF,
 908         misc::SHORT_CIRCUIT_STATEMENT,
 909         misc_early::REDUNDANT_CLOSURE_CALL,
 910         misc_early::ZERO_PREFIXED_LITERAL,
 911         needless_bool::BOOL_COMPARISON,
 912         needless_bool::NEEDLESS_BOOL,
 913         needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
 914         needless_update::NEEDLESS_UPDATE,
 915         neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
 916         no_effect::NO_EFFECT,
 917         no_effect::UNNECESSARY_OPERATION,
 918         overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
 919         partialeq_ne_impl::PARTIALEQ_NE_IMPL,
 920         precedence::PRECEDENCE,
 921         ptr_offset_with_cast::PTR_OFFSET_WITH_CAST,
 922         ranges::RANGE_MINUS_ONE,
 923         ranges::RANGE_PLUS_ONE,
 924         ranges::RANGE_ZIP_WITH_LEN,
 925         reference::DEREF_ADDROF,
 926         reference::REF_IN_DEREF,
 927         swap::MANUAL_SWAP,
 928         temporary_assignment::TEMPORARY_ASSIGNMENT,
 929         transmute::CROSSPOINTER_TRANSMUTE,
 930         transmute::TRANSMUTE_BYTES_TO_STR,
 931         transmute::TRANSMUTE_INT_TO_BOOL,
 932         transmute::TRANSMUTE_INT_TO_CHAR,
 933         transmute::TRANSMUTE_INT_TO_FLOAT,
 934         transmute::TRANSMUTE_PTR_TO_PTR,
 935         transmute::TRANSMUTE_PTR_TO_REF,
 936         transmute::USELESS_TRANSMUTE,
 937         types::BORROWED_BOX,
 938         types::CAST_LOSSLESS,
 939         types::CHAR_LIT_AS_U8,
 940         types::OPTION_OPTION,
 941         types::TYPE_COMPLEXITY,
 942         types::UNIT_ARG,
 943         types::UNNECESSARY_CAST,
 944         types::VEC_BOX,
 945         unused_label::UNUSED_LABEL,
 946         zero_div_zero::ZERO_DIVIDED_BY_ZERO,
 947     ]);
 948
 949     reg.register_lint_group("clippy::correctness", Some("clippy_correctness"), vec![
 950         approx_const::APPROX_CONSTANT,
 951         attrs::DEPRECATED_SEMVER,
 952         attrs::USELESS_ATTRIBUTE,
 953         bit_mask::BAD_BIT_MASK,
 954         bit_mask::INEFFECTIVE_BIT_MASK,
 955         booleans::LOGIC_BUG,
 956         copies::IFS_SAME_COND,
 957         copies::IF_SAME_THEN_ELSE,
 958         derive::DERIVE_HASH_XOR_EQ,
 959         drop_forget_ref::DROP_COPY,
 960         drop_forget_ref::DROP_REF,
 961         drop_forget_ref::FORGET_COPY,
 962         drop_forget_ref::FORGET_REF,
 963         enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
 964         eq_op::EQ_OP,
 965         erasing_op::ERASING_OP,
 966         formatting::POSSIBLE_MISSING_COMMA,
 967         functions::NOT_UNSAFE_PTR_ARG_DEREF,
 968         indexing_slicing::OUT_OF_BOUNDS_INDEXING,
 969         infinite_iter::INFINITE_ITER,
 970         inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
 971         invalid_ref::INVALID_REF,
 972         literal_representation::MISTYPED_LITERAL_SUFFIXES,
 973         loops::FOR_LOOP_OVER_OPTION,
 974         loops::FOR_LOOP_OVER_RESULT,
 975         loops::ITER_NEXT_LOOP,
 976         loops::NEVER_LOOP,
 977         loops::REVERSE_RANGE_LOOP,
 978         loops::WHILE_IMMUTABLE_CONDITION,
 979         mem_discriminant::MEM_DISCRIMINANT_NON_ENUM,
 980         methods::CLONE_DOUBLE_REF,
 981         methods::INTO_ITER_ON_ARRAY,
 982         methods::TEMPORARY_CSTRING_AS_PTR,
 983         minmax::MIN_MAX,
 984         misc::CMP_NAN,
 985         misc::FLOAT_CMP,
 986         misc::MODULO_ONE,
 987         non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
 988         non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
 989         open_options::NONSENSICAL_OPEN_OPTIONS,
 990         ptr::MUT_FROM_REF,
 991         ranges::ITERATOR_STEP_BY_ZERO,
 992         regex::INVALID_REGEX,
 993         serde_api::SERDE_API_MISUSE,
 994         suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
 995         suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
 996         swap::ALMOST_SWAPPED,
 997         transmute::WRONG_TRANSMUTE,
 998         types::ABSURD_EXTREME_COMPARISONS,
 999         types::CAST_PTR_ALIGNMENT,
1000         types::CAST_REF_TO_MUT,
1001         types::UNIT_CMP,
1002         unicode::ZERO_WIDTH_SPACE,
1003         unused_io_amount::UNUSED_IO_AMOUNT,
1004     ]);
1005
1006     reg.register_lint_group("clippy::perf", Some("clippy_perf"), vec![
1007         bytecount::NAIVE_BYTECOUNT,
1008         entry::MAP_ENTRY,
1009         escape::BOXED_LOCAL,
1010         large_enum_variant::LARGE_ENUM_VARIANT,
1011         loops::MANUAL_MEMCPY,
1012         loops::NEEDLESS_COLLECT,
1013         loops::UNUSED_COLLECT,
1014         methods::EXPECT_FUN_CALL,
1015         methods::ITER_NTH,
1016         methods::OR_FUN_CALL,
1017         methods::SINGLE_CHAR_PATTERN,
1018         misc::CMP_OWNED,
1019         mutex_atomic::MUTEX_ATOMIC,
1020         slow_vector_initialization::SLOW_VECTOR_INITIALIZATION,
1021         trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
1022         types::BOX_VEC,
1023         vec::USELESS_VEC,
1024     ]);
1025
1026     reg.register_lint_group("clippy::cargo", Some("clippy_cargo"), vec![
1027         cargo_common_metadata::CARGO_COMMON_METADATA,
1028         multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
1029         wildcard_dependencies::WILDCARD_DEPENDENCIES,
1030     ]);
1031
1032     reg.register_lint_group("clippy::nursery", Some("clippy_nursery"), vec![
1033         attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
1034         fallible_impl_from::FALLIBLE_IMPL_FROM,
1035         missing_const_for_fn::MISSING_CONST_FOR_FN,
1036         mutex_atomic::MUTEX_INTEGER,
1037         needless_borrow::NEEDLESS_BORROW,
1038         redundant_clone::REDUNDANT_CLONE,
1039         unwrap::PANICKING_UNWRAP,
1040         unwrap::UNNECESSARY_UNWRAP,
1041     ]);
1042 }
1043
1044 pub fn register_renamed(ls: &mut rustc::lint::LintStore) {
1045     ls.register_renamed("clippy::stutter", "clippy::module_name_repetitions");
1046     ls.register_renamed("clippy::new_without_default_derive", "clippy::new_without_default");
1047 }
1048
1049 // only exists to let the dogfood integration test works.
1050 // Don't run clippy as an executable directly
1051 #[allow(dead_code)]
1052 fn main() {
1053     panic!("Please use the cargo-clippy executable");
1054 }