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