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