clippy_lints/src/lib.rs

   1 // Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution.
   3 //
   4 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   5 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   7 // option. This file may not be copied, modified, or distributed
   8 // except according to those terms.
   9
  10 // error-pattern:cargo-clippy
  11
  12 #![feature(box_syntax)]
  13 #![feature(rustc_private)]
  14 #![feature(slice_patterns)]
  15 #![feature(stmt_expr_attributes)]
  16 #![feature(range_contains)]
  17 #![feature(str_escape)]
  18 #![allow(clippy::missing_docs_in_private_items)]
  19 #![recursion_limit = "256"]
  20 #![warn(rust_2018_idioms, trivial_casts, trivial_numeric_casts)]
  21 #![feature(crate_visibility_modifier)]
  22 #![feature(try_from)]
  23
  24 // FIXME: switch to something more ergonomic here, once available.
  25 // (currently there is no way to opt into sysroot crates w/o `extern crate`)
  26 #[allow(unused_extern_crates)]
  27 extern crate fmt_macros;
  28 #[allow(unused_extern_crates)]
  29 extern crate rustc;
  30 #[allow(unused_extern_crates)]
  31 extern crate rustc_data_structures;
  32 #[allow(unused_extern_crates)]
  33 extern crate rustc_errors;
  34 #[allow(unused_extern_crates)]
  35 extern crate rustc_plugin;
  36 #[allow(unused_extern_crates)]
  37 extern crate rustc_target;
  38 #[allow(unused_extern_crates)]
  39 extern crate rustc_typeck;
  40 #[allow(unused_extern_crates)]
  41 extern crate syntax;
  42 #[allow(unused_extern_crates)]
  43 extern crate syntax_pos;
  44
  45 use toml;
  46
  47 // Currently, categories "style", "correctness", "complexity" and "perf" are enabled by default,
  48 // as said in the README.md of this repository. If this changes, please update README.md.
  49 #[macro_export]
  50 macro_rules! declare_clippy_lint {
  51     { pub $name:tt, style, $description:tt } => {
  52         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  53     };
  54     { pub $name:tt, correctness, $description:tt } => {
  55         declare_tool_lint! { pub clippy::$name, Deny, $description, report_in_external_macro: true }
  56     };
  57     { pub $name:tt, complexity, $description:tt } => {
  58         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  59     };
  60     { pub $name:tt, perf, $description:tt } => {
  61         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  62     };
  63     { pub $name:tt, pedantic, $description:tt } => {
  64         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  65     };
  66     { pub $name:tt, restriction, $description:tt } => {
  67         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  68     };
  69     { pub $name:tt, cargo, $description:tt } => {
  70         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  71     };
  72     { pub $name:tt, nursery, $description:tt } => {
  73         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  74     };
  75     { pub $name:tt, internal, $description:tt } => {
  76         declare_tool_lint! { pub clippy::$name, Allow, $description, report_in_external_macro: true }
  77     };
  78     { pub $name:tt, internal_warn, $description:tt } => {
  79         declare_tool_lint! { pub clippy::$name, Warn, $description, report_in_external_macro: true }
  80     };
  81 }
  82
  83 mod consts;
  84 #[macro_use]
  85 mod utils;
  86
  87 // begin lints modules, do not remove this comment, it’s used in `update_lints`
  88 pub mod approx_const;
  89 pub mod arithmetic;
  90 pub mod assign_ops;
  91 pub mod attrs;
  92 pub mod bit_mask;
  93 pub mod blacklisted_name;
  94 pub mod block_in_if_condition;
  95 pub mod booleans;
  96 pub mod bytecount;
  97 pub mod cargo_common_metadata;
  98 pub mod collapsible_if;
  99 pub mod const_static_lifetime;
 100 pub mod copies;
 101 pub mod copy_iterator;
 102 pub mod cyclomatic_complexity;
 103 pub mod default_trait_access;
 104 pub mod derive;
 105 pub mod doc;
 106 pub mod double_comparison;
 107 pub mod double_parens;
 108 pub mod drop_forget_ref;
 109 pub mod duration_subsec;
 110 pub mod else_if_without_else;
 111 pub mod empty_enum;
 112 pub mod entry;
 113 pub mod enum_clike;
 114 pub mod enum_glob_use;
 115 pub mod enum_variants;
 116 pub mod eq_op;
 117 pub mod erasing_op;
 118 pub mod escape;
 119 pub mod eta_reduction;
 120 pub mod eval_order_dependence;
 121 pub mod excessive_precision;
 122 pub mod explicit_write;
 123 pub mod fallible_impl_from;
 124 pub mod format;
 125 pub mod formatting;
 126 pub mod functions;
 127 pub mod identity_conversion;
 128 pub mod identity_op;
 129 pub mod if_not_else;
 130 pub mod implicit_return;
 131 pub mod indexing_slicing;
 132 pub mod infallible_destructuring_match;
 133 pub mod infinite_iter;
 134 pub mod inherent_impl;
 135 pub mod inline_fn_without_body;
 136 pub mod int_plus_one;
 137 pub mod invalid_ref;
 138 pub mod items_after_statements;
 139 pub mod large_enum_variant;
 140 pub mod len_zero;
 141 pub mod let_if_seq;
 142 pub mod lifetimes;
 143 pub mod literal_representation;
 144 pub mod loops;
 145 pub mod map_clone;
 146 pub mod map_unit_fn;
 147 pub mod matches;
 148 pub mod mem_discriminant;
 149 pub mod mem_forget;
 150 pub mod mem_replace;
 151 pub mod methods;
 152 pub mod minmax;
 153 pub mod misc;
 154 pub mod misc_early;
 155 pub mod missing_doc;
 156 pub mod missing_inline;
 157 pub mod multiple_crate_versions;
 158 pub mod mut_mut;
 159 pub mod mut_reference;
 160 pub mod mutex_atomic;
 161 pub mod needless_bool;
 162 pub mod needless_borrow;
 163 pub mod needless_borrowed_ref;
 164 pub mod needless_continue;
 165 pub mod needless_pass_by_value;
 166 pub mod needless_update;
 167 pub mod neg_cmp_op_on_partial_ord;
 168 pub mod neg_multiply;
 169 pub mod new_without_default;
 170 pub mod no_effect;
 171 pub mod non_copy_const;
 172 pub mod non_expressive_names;
 173 pub mod ok_if_let;
 174 pub mod open_options;
 175 pub mod overflow_check_conditional;
 176 pub mod panic_unimplemented;
 177 pub mod partialeq_ne_impl;
 178 pub mod precedence;
 179 pub mod ptr;
 180 pub mod ptr_offset_with_cast;
 181 pub mod question_mark;
 182 pub mod ranges;
 183 pub mod redundant_clone;
 184 pub mod redundant_field_names;
 185 pub mod redundant_pattern_matching;
 186 pub mod reference;
 187 pub mod regex;
 188 pub mod replace_consts;
 189 pub mod returns;
 190 pub mod serde_api;
 191 pub mod shadow;
 192 pub mod slow_vector_initialization;
 193 pub mod strings;
 194 pub mod suspicious_trait_impl;
 195 pub mod swap;
 196 pub mod temporary_assignment;
 197 pub mod transmute;
 198 pub mod trivially_copy_pass_by_ref;
 199 pub mod types;
 200 pub mod unicode;
 201 pub mod unsafe_removed_from_name;
 202 pub mod unused_io_amount;
 203 pub mod unused_label;
 204 pub mod unwrap;
 205 pub mod use_self;
 206 pub mod vec;
 207 pub mod wildcard_dependencies;
 208 pub mod write;
 209 pub mod zero_div_zero;
 210 // end lints modules, do not remove this comment, it’s used in `update_lints`
 211
 212 pub use crate::utils::conf::Conf;
 213
 214 mod reexport {
 215     crate use crate::syntax::ast::{Name, NodeId};
 216 }
 217
 218 pub fn register_pre_expansion_lints(
 219     session: &rustc::session::Session,
 220     store: &mut rustc::lint::LintStore,
 221     conf: &Conf,
 222 ) {
 223     store.register_pre_expansion_pass(Some(session), box write::Pass);
 224     store.register_pre_expansion_pass(Some(session), box redundant_field_names::RedundantFieldNames);
 225     store.register_pre_expansion_pass(
 226         Some(session),
 227         box non_expressive_names::NonExpressiveNames {
 228             single_char_binding_names_threshold: conf.single_char_binding_names_threshold,
 229         },
 230     );
 231     store.register_pre_expansion_pass(Some(session), box attrs::CfgAttrPass);
 232 }
 233
 234 pub fn read_conf(reg: &rustc_plugin::Registry<'_>) -> Conf {
 235     match utils::conf::file_from_args(reg.args()) {
 236         Ok(file_name) => {
 237             // if the user specified a file, it must exist, otherwise default to `clippy.toml` but
 238             // do not require the file to exist
 239             let file_name = if let Some(file_name) = file_name {
 240                 Some(file_name)
 241             } else {
 242                 match utils::conf::lookup_conf_file() {
 243                     Ok(path) => path,
 244                     Err(error) => {
 245                         reg.sess
 246                             .struct_err(&format!("error finding Clippy's configuration file: {}", error))
 247                             .emit();
 248                         None
 249                     },
 250                 }
 251             };
 252
 253             let file_name = file_name.map(|file_name| {
 254                 if file_name.is_relative() {
 255                     reg.sess
 256                         .local_crate_source_file
 257                         .as_ref()
 258                         .and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
 259                         .unwrap_or_default()
 260                         .join(file_name)
 261                 } else {
 262                     file_name
 263                 }
 264             });
 265
 266             let (conf, errors) = utils::conf::read(file_name.as_ref().map(|p| p.as_ref()));
 267
 268             // all conf errors are non-fatal, we just use the default conf in case of error
 269             for error in errors {
 270                 reg.sess
 271                     .struct_err(&format!(
 272                         "error reading Clippy's configuration file `{}`: {}",
 273                         file_name.as_ref().and_then(|p| p.to_str()).unwrap_or(""),
 274                         error
 275                     ))
 276                     .emit();
 277             }
 278
 279             conf
 280         },
 281         Err((err, span)) => {
 282             reg.sess
 283                 .struct_span_err(span, err)
 284                 .span_note(span, "Clippy will use default configuration")
 285                 .emit();
 286             toml::from_str("").expect("we never error on empty config files")
 287         },
 288     }
 289 }
 290
 291 #[rustfmt::skip]
 292 pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
 293     let mut store = reg.sess.lint_store.borrow_mut();
 294     // begin deprecated lints, do not remove this comment, it’s used in `update_lints`
 295     store.register_removed(
 296         "should_assert_eq",
 297         "`assert!()` will be more flexible with RFC 2011",
 298     );
 299     store.register_removed(
 300         "extend_from_slice",
 301         "`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
 302     );
 303     store.register_removed(
 304         "range_step_by_zero",
 305         "`iterator.step_by(0)` panics nowadays",
 306     );
 307     store.register_removed(
 308         "unstable_as_slice",
 309         "`Vec::as_slice` has been stabilized in 1.7",
 310     );
 311     store.register_removed(
 312         "unstable_as_mut_slice",
 313         "`Vec::as_mut_slice` has been stabilized in 1.7",
 314     );
 315     store.register_removed(
 316         "str_to_string",
 317         "using `str::to_string` is common even today and specialization will likely happen soon",
 318     );
 319     store.register_removed(
 320         "string_to_string",
 321         "using `string::to_string` is common even today and specialization will likely happen soon",
 322     );
 323     store.register_removed(
 324         "misaligned_transmute",
 325         "this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
 326     );
 327     store.register_removed(
 328         "assign_ops",
 329         "using compound assignment operators (e.g. `+=`) is harmless",
 330     );
 331     store.register_removed(
 332         "if_let_redundant_pattern_matching",
 333         "this lint has been changed to redundant_pattern_matching",
 334     );
 335     store.register_removed(
 336         "unsafe_vector_initialization",
 337         "the replacement suggested by this lint had substantially different behavior",
 338     );
 339     // end deprecated lints, do not remove this comment, it’s used in `update_lints`
 340
 341     reg.register_late_lint_pass(box serde_api::Serde);
 342     reg.register_early_lint_pass(box utils::internal_lints::Clippy);
 343     reg.register_late_lint_pass(box utils::internal_lints::CompilerLintFunctions::new());
 344     reg.register_early_lint_pass(box utils::internal_lints::DefaultHashTypes::default());
 345     reg.register_late_lint_pass(box utils::internal_lints::LintWithoutLintPass::default());
 346     reg.register_late_lint_pass(box utils::inspector::Pass);
 347     reg.register_late_lint_pass(box utils::author::Pass);
 348     reg.register_late_lint_pass(box types::TypePass);
 349     reg.register_late_lint_pass(box booleans::NonminimalBool);
 350     reg.register_late_lint_pass(box eq_op::EqOp);
 351     reg.register_early_lint_pass(box enum_variants::EnumVariantNames::new(conf.enum_variant_name_threshold));
 352     reg.register_late_lint_pass(box enum_glob_use::EnumGlobUse);
 353     reg.register_late_lint_pass(box enum_clike::UnportableVariant);
 354     reg.register_late_lint_pass(box excessive_precision::ExcessivePrecision);
 355     reg.register_late_lint_pass(box bit_mask::BitMask::new(conf.verbose_bit_mask_threshold));
 356     reg.register_late_lint_pass(box ptr::PointerPass);
 357     reg.register_late_lint_pass(box needless_bool::NeedlessBool);
 358     reg.register_late_lint_pass(box needless_bool::BoolComparison);
 359     reg.register_late_lint_pass(box approx_const::Pass);
 360     reg.register_late_lint_pass(box misc::Pass);
 361     reg.register_early_lint_pass(box precedence::Precedence);
 362     reg.register_early_lint_pass(box needless_continue::NeedlessContinue);
 363     reg.register_late_lint_pass(box eta_reduction::EtaPass);
 364     reg.register_late_lint_pass(box identity_op::IdentityOp);
 365     reg.register_late_lint_pass(box erasing_op::ErasingOp);
 366     reg.register_early_lint_pass(box items_after_statements::ItemsAfterStatements);
 367     reg.register_late_lint_pass(box mut_mut::MutMut);
 368     reg.register_late_lint_pass(box mut_reference::UnnecessaryMutPassed);
 369     reg.register_late_lint_pass(box len_zero::LenZero);
 370     reg.register_late_lint_pass(box attrs::AttrPass);
 371     reg.register_early_lint_pass(box collapsible_if::CollapsibleIf);
 372     reg.register_late_lint_pass(box block_in_if_condition::BlockInIfCondition);
 373     reg.register_late_lint_pass(box unicode::Unicode);
 374     reg.register_late_lint_pass(box strings::StringAdd);
 375     reg.register_early_lint_pass(box returns::ReturnPass);
 376     reg.register_late_lint_pass(box implicit_return::Pass);
 377     reg.register_late_lint_pass(box methods::Pass);
 378     reg.register_late_lint_pass(box map_clone::Pass);
 379     reg.register_late_lint_pass(box shadow::Pass);
 380     reg.register_late_lint_pass(box types::LetPass);
 381     reg.register_late_lint_pass(box types::UnitCmp);
 382     reg.register_late_lint_pass(box loops::Pass);
 383     reg.register_late_lint_pass(box lifetimes::LifetimePass);
 384     reg.register_late_lint_pass(box entry::HashMapLint);
 385     reg.register_late_lint_pass(box ranges::Pass);
 386     reg.register_late_lint_pass(box types::CastPass);
 387     reg.register_late_lint_pass(box types::TypeComplexityPass::new(conf.type_complexity_threshold));
 388     reg.register_late_lint_pass(box matches::MatchPass);
 389     reg.register_late_lint_pass(box minmax::MinMaxPass);
 390     reg.register_late_lint_pass(box open_options::NonSensical);
 391     reg.register_late_lint_pass(box zero_div_zero::Pass);
 392     reg.register_late_lint_pass(box mutex_atomic::MutexAtomic);
 393     reg.register_late_lint_pass(box needless_update::Pass);
 394     reg.register_late_lint_pass(box needless_borrow::NeedlessBorrow::default());
 395     reg.register_late_lint_pass(box needless_borrowed_ref::NeedlessBorrowedRef);
 396     reg.register_late_lint_pass(box no_effect::Pass);
 397     reg.register_late_lint_pass(box temporary_assignment::Pass);
 398     reg.register_late_lint_pass(box transmute::Transmute);
 399     reg.register_late_lint_pass(
 400         box cyclomatic_complexity::CyclomaticComplexity::new(conf.cyclomatic_complexity_threshold)
 401     );
 402     reg.register_late_lint_pass(box escape::Pass{too_large_for_stack: conf.too_large_for_stack});
 403     reg.register_early_lint_pass(box misc_early::MiscEarly);
 404     reg.register_late_lint_pass(box panic_unimplemented::Pass);
 405     reg.register_late_lint_pass(box strings::StringLitAsBytes);
 406     reg.register_late_lint_pass(box derive::Derive);
 407     reg.register_late_lint_pass(box types::CharLitAsU8);
 408     reg.register_late_lint_pass(box vec::Pass);
 409     reg.register_late_lint_pass(box drop_forget_ref::Pass);
 410     reg.register_late_lint_pass(box empty_enum::EmptyEnum);
 411     reg.register_late_lint_pass(box types::AbsurdExtremeComparisons);
 412     reg.register_late_lint_pass(box types::InvalidUpcastComparisons);
 413     reg.register_late_lint_pass(box regex::Pass::default());
 414     reg.register_late_lint_pass(box copies::CopyAndPaste);
 415     reg.register_late_lint_pass(box copy_iterator::CopyIterator);
 416     reg.register_late_lint_pass(box format::Pass);
 417     reg.register_early_lint_pass(box formatting::Formatting);
 418     reg.register_late_lint_pass(box swap::Swap);
 419     reg.register_early_lint_pass(box if_not_else::IfNotElse);
 420     reg.register_early_lint_pass(box else_if_without_else::ElseIfWithoutElse);
 421     reg.register_early_lint_pass(box int_plus_one::IntPlusOne);
 422     reg.register_late_lint_pass(box overflow_check_conditional::OverflowCheckConditional);
 423     reg.register_late_lint_pass(box unused_label::UnusedLabel);
 424     reg.register_late_lint_pass(box new_without_default::NewWithoutDefault::default());
 425     reg.register_late_lint_pass(box blacklisted_name::BlackListedName::new(conf.blacklisted_names.clone()));
 426     reg.register_late_lint_pass(box functions::Functions::new(conf.too_many_arguments_threshold));
 427     reg.register_early_lint_pass(box doc::Doc::new(conf.doc_valid_idents.clone()));
 428     reg.register_late_lint_pass(box neg_multiply::NegMultiply);
 429     reg.register_early_lint_pass(box unsafe_removed_from_name::UnsafeNameRemoval);
 430     reg.register_late_lint_pass(box mem_discriminant::MemDiscriminant);
 431     reg.register_late_lint_pass(box mem_forget::MemForget);
 432     reg.register_late_lint_pass(box mem_replace::MemReplace);
 433     reg.register_late_lint_pass(box arithmetic::Arithmetic::default());
 434     reg.register_late_lint_pass(box assign_ops::AssignOps);
 435     reg.register_late_lint_pass(box let_if_seq::LetIfSeq);
 436     reg.register_late_lint_pass(box eval_order_dependence::EvalOrderDependence);
 437     reg.register_late_lint_pass(box missing_doc::MissingDoc::new());
 438     reg.register_late_lint_pass(box missing_inline::MissingInline);
 439     reg.register_late_lint_pass(box ok_if_let::Pass);
 440     reg.register_late_lint_pass(box redundant_pattern_matching::Pass);
 441     reg.register_late_lint_pass(box partialeq_ne_impl::Pass);
 442     reg.register_early_lint_pass(box reference::Pass);
 443     reg.register_early_lint_pass(box reference::DerefPass);
 444     reg.register_early_lint_pass(box double_parens::DoubleParens);
 445     reg.register_late_lint_pass(box unused_io_amount::UnusedIoAmount);
 446     reg.register_late_lint_pass(box large_enum_variant::LargeEnumVariant::new(conf.enum_variant_size_threshold));
 447     reg.register_late_lint_pass(box explicit_write::Pass);
 448     reg.register_late_lint_pass(box needless_pass_by_value::NeedlessPassByValue);
 449     reg.register_late_lint_pass(box trivially_copy_pass_by_ref::TriviallyCopyPassByRef::new(
 450             conf.trivial_copy_size_limit,
 451             &reg.sess.target,
 452     ));
 453     reg.register_early_lint_pass(box literal_representation::LiteralDigitGrouping);
 454     reg.register_early_lint_pass(box literal_representation::LiteralRepresentation::new(
 455             conf.literal_representation_threshold
 456     ));
 457     reg.register_late_lint_pass(box use_self::UseSelf);
 458     reg.register_late_lint_pass(box bytecount::ByteCount);
 459     reg.register_late_lint_pass(box infinite_iter::Pass);
 460     reg.register_late_lint_pass(box inline_fn_without_body::Pass);
 461     reg.register_late_lint_pass(box invalid_ref::InvalidRef);
 462     reg.register_late_lint_pass(box identity_conversion::IdentityConversion::default());
 463     reg.register_late_lint_pass(box types::ImplicitHasher);
 464     reg.register_early_lint_pass(box const_static_lifetime::StaticConst);
 465     reg.register_late_lint_pass(box fallible_impl_from::FallibleImplFrom);
 466     reg.register_late_lint_pass(box replace_consts::ReplaceConsts);
 467     reg.register_late_lint_pass(box types::UnitArg);
 468     reg.register_late_lint_pass(box double_comparison::Pass);
 469     reg.register_late_lint_pass(box question_mark::Pass);
 470     reg.register_late_lint_pass(box suspicious_trait_impl::SuspiciousImpl);
 471     reg.register_early_lint_pass(box cargo_common_metadata::Pass);
 472     reg.register_early_lint_pass(box multiple_crate_versions::Pass);
 473     reg.register_early_lint_pass(box wildcard_dependencies::Pass);
 474     reg.register_late_lint_pass(box map_unit_fn::Pass);
 475     reg.register_late_lint_pass(box infallible_destructuring_match::Pass);
 476     reg.register_late_lint_pass(box inherent_impl::Pass::default());
 477     reg.register_late_lint_pass(box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd);
 478     reg.register_late_lint_pass(box unwrap::Pass);
 479     reg.register_late_lint_pass(box duration_subsec::DurationSubsec);
 480     reg.register_late_lint_pass(box default_trait_access::DefaultTraitAccess);
 481     reg.register_late_lint_pass(box indexing_slicing::IndexingSlicing);
 482     reg.register_late_lint_pass(box non_copy_const::NonCopyConst);
 483     reg.register_late_lint_pass(box ptr_offset_with_cast::Pass);
 484     reg.register_late_lint_pass(box redundant_clone::RedundantClone);
 485     reg.register_late_lint_pass(box slow_vector_initialization::Pass);
 486
 487     reg.register_lint_group("clippy::restriction", Some("clippy_restriction"), vec![
 488         arithmetic::FLOAT_ARITHMETIC,
 489         arithmetic::INTEGER_ARITHMETIC,
 490         else_if_without_else::ELSE_IF_WITHOUT_ELSE,
 491         implicit_return::IMPLICIT_RETURN,
 492         indexing_slicing::INDEXING_SLICING,
 493         inherent_impl::MULTIPLE_INHERENT_IMPL,
 494         literal_representation::DECIMAL_LITERAL_REPRESENTATION,
 495         mem_forget::MEM_FORGET,
 496         methods::CLONE_ON_REF_PTR,
 497         methods::OPTION_UNWRAP_USED,
 498         methods::RESULT_UNWRAP_USED,
 499         methods::WRONG_PUB_SELF_CONVENTION,
 500         misc::FLOAT_CMP_CONST,
 501         missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
 502         missing_inline::MISSING_INLINE_IN_PUBLIC_ITEMS,
 503         panic_unimplemented::UNIMPLEMENTED,
 504         shadow::SHADOW_REUSE,
 505         shadow::SHADOW_SAME,
 506         strings::STRING_ADD,
 507         write::PRINT_STDOUT,
 508         write::USE_DEBUG,
 509     ]);
 510
 511     reg.register_lint_group("clippy::pedantic", Some("clippy_pedantic"), vec![
 512         attrs::INLINE_ALWAYS,
 513         copies::MATCH_SAME_ARMS,
 514         copy_iterator::COPY_ITERATOR,
 515         default_trait_access::DEFAULT_TRAIT_ACCESS,
 516         derive::EXPL_IMPL_CLONE_ON_COPY,
 517         doc::DOC_MARKDOWN,
 518         empty_enum::EMPTY_ENUM,
 519         enum_glob_use::ENUM_GLOB_USE,
 520         enum_variants::MODULE_NAME_REPETITIONS,
 521         enum_variants::PUB_ENUM_VARIANT_NAMES,
 522         if_not_else::IF_NOT_ELSE,
 523         infinite_iter::MAYBE_INFINITE_ITER,
 524         items_after_statements::ITEMS_AFTER_STATEMENTS,
 525         literal_representation::LARGE_DIGIT_GROUPS,
 526         loops::EXPLICIT_INTO_ITER_LOOP,
 527         loops::EXPLICIT_ITER_LOOP,
 528         matches::SINGLE_MATCH_ELSE,
 529         methods::FILTER_MAP,
 530         methods::MAP_FLATTEN,
 531         methods::OPTION_MAP_UNWRAP_OR,
 532         methods::OPTION_MAP_UNWRAP_OR_ELSE,
 533         methods::RESULT_MAP_UNWRAP_OR_ELSE,
 534         misc::USED_UNDERSCORE_BINDING,
 535         misc_early::UNSEPARATED_LITERAL_SUFFIX,
 536         mut_mut::MUT_MUT,
 537         needless_continue::NEEDLESS_CONTINUE,
 538         needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
 539         non_expressive_names::SIMILAR_NAMES,
 540         replace_consts::REPLACE_CONSTS,
 541         shadow::SHADOW_UNRELATED,
 542         strings::STRING_ADD_ASSIGN,
 543         types::CAST_POSSIBLE_TRUNCATION,
 544         types::CAST_POSSIBLE_WRAP,
 545         types::CAST_PRECISION_LOSS,
 546         types::CAST_SIGN_LOSS,
 547         types::INVALID_UPCAST_COMPARISONS,
 548         types::LINKEDLIST,
 549         unicode::NON_ASCII_LITERAL,
 550         unicode::UNICODE_NOT_NFC,
 551         use_self::USE_SELF,
 552     ]);
 553
 554     reg.register_lint_group("clippy::internal", Some("clippy_internal"), vec![
 555         utils::internal_lints::CLIPPY_LINTS_INTERNAL,
 556         utils::internal_lints::COMPILER_LINT_FUNCTIONS,
 557         utils::internal_lints::DEFAULT_HASH_TYPES,
 558         utils::internal_lints::LINT_WITHOUT_LINT_PASS,
 559     ]);
 560
 561     reg.register_lint_group("clippy::all", Some("clippy"), vec![
 562         approx_const::APPROX_CONSTANT,
 563         assign_ops::ASSIGN_OP_PATTERN,
 564         assign_ops::MISREFACTORED_ASSIGN_OP,
 565         attrs::DEPRECATED_CFG_ATTR,
 566         attrs::DEPRECATED_SEMVER,
 567         attrs::UNKNOWN_CLIPPY_LINTS,
 568         attrs::USELESS_ATTRIBUTE,
 569         bit_mask::BAD_BIT_MASK,
 570         bit_mask::INEFFECTIVE_BIT_MASK,
 571         bit_mask::VERBOSE_BIT_MASK,
 572         blacklisted_name::BLACKLISTED_NAME,
 573         block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
 574         block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
 575         booleans::LOGIC_BUG,
 576         booleans::NONMINIMAL_BOOL,
 577         bytecount::NAIVE_BYTECOUNT,
 578         collapsible_if::COLLAPSIBLE_IF,
 579         const_static_lifetime::CONST_STATIC_LIFETIME,
 580         copies::IFS_SAME_COND,
 581         copies::IF_SAME_THEN_ELSE,
 582         cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
 583         derive::DERIVE_HASH_XOR_EQ,
 584         double_comparison::DOUBLE_COMPARISONS,
 585         double_parens::DOUBLE_PARENS,
 586         drop_forget_ref::DROP_COPY,
 587         drop_forget_ref::DROP_REF,
 588         drop_forget_ref::FORGET_COPY,
 589         drop_forget_ref::FORGET_REF,
 590         duration_subsec::DURATION_SUBSEC,
 591         entry::MAP_ENTRY,
 592         enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
 593         enum_variants::ENUM_VARIANT_NAMES,
 594         enum_variants::MODULE_INCEPTION,
 595         eq_op::EQ_OP,
 596         eq_op::OP_REF,
 597         erasing_op::ERASING_OP,
 598         escape::BOXED_LOCAL,
 599         eta_reduction::REDUNDANT_CLOSURE,
 600         eval_order_dependence::DIVERGING_SUB_EXPRESSION,
 601         eval_order_dependence::EVAL_ORDER_DEPENDENCE,
 602         excessive_precision::EXCESSIVE_PRECISION,
 603         explicit_write::EXPLICIT_WRITE,
 604         format::USELESS_FORMAT,
 605         formatting::POSSIBLE_MISSING_COMMA,
 606         formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
 607         formatting::SUSPICIOUS_ELSE_FORMATTING,
 608         functions::NOT_UNSAFE_PTR_ARG_DEREF,
 609         functions::TOO_MANY_ARGUMENTS,
 610         identity_conversion::IDENTITY_CONVERSION,
 611         identity_op::IDENTITY_OP,
 612         indexing_slicing::OUT_OF_BOUNDS_INDEXING,
 613         infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
 614         infinite_iter::INFINITE_ITER,
 615         inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
 616         int_plus_one::INT_PLUS_ONE,
 617         invalid_ref::INVALID_REF,
 618         large_enum_variant::LARGE_ENUM_VARIANT,
 619         len_zero::LEN_WITHOUT_IS_EMPTY,
 620         len_zero::LEN_ZERO,
 621         let_if_seq::USELESS_LET_IF_SEQ,
 622         lifetimes::EXTRA_UNUSED_LIFETIMES,
 623         lifetimes::NEEDLESS_LIFETIMES,
 624         literal_representation::INCONSISTENT_DIGIT_GROUPING,
 625         literal_representation::MISTYPED_LITERAL_SUFFIXES,
 626         literal_representation::UNREADABLE_LITERAL,
 627         loops::EMPTY_LOOP,
 628         loops::EXPLICIT_COUNTER_LOOP,
 629         loops::FOR_KV_MAP,
 630         loops::FOR_LOOP_OVER_OPTION,
 631         loops::FOR_LOOP_OVER_RESULT,
 632         loops::ITER_NEXT_LOOP,
 633         loops::MANUAL_MEMCPY,
 634         loops::MUT_RANGE_BOUND,
 635         loops::NEEDLESS_COLLECT,
 636         loops::NEEDLESS_RANGE_LOOP,
 637         loops::NEVER_LOOP,
 638         loops::REVERSE_RANGE_LOOP,
 639         loops::UNUSED_COLLECT,
 640         loops::WHILE_IMMUTABLE_CONDITION,
 641         loops::WHILE_LET_LOOP,
 642         loops::WHILE_LET_ON_ITERATOR,
 643         map_clone::MAP_CLONE,
 644         map_unit_fn::OPTION_MAP_UNIT_FN,
 645         map_unit_fn::RESULT_MAP_UNIT_FN,
 646         matches::MATCH_AS_REF,
 647         matches::MATCH_BOOL,
 648         matches::MATCH_OVERLAPPING_ARM,
 649         matches::MATCH_REF_PATS,
 650         matches::MATCH_WILD_ERR_ARM,
 651         matches::SINGLE_MATCH,
 652         mem_discriminant::MEM_DISCRIMINANT_NON_ENUM,
 653         mem_replace::MEM_REPLACE_OPTION_WITH_NONE,
 654         methods::CHARS_LAST_CMP,
 655         methods::CHARS_NEXT_CMP,
 656         methods::CLONE_DOUBLE_REF,
 657         methods::CLONE_ON_COPY,
 658         methods::EXPECT_FUN_CALL,
 659         methods::FILTER_NEXT,
 660         methods::GET_UNWRAP,
 661         methods::INTO_ITER_ON_ARRAY,
 662         methods::INTO_ITER_ON_REF,
 663         methods::ITER_CLONED_COLLECT,
 664         methods::ITER_NTH,
 665         methods::ITER_SKIP_NEXT,
 666         methods::NEW_RET_NO_SELF,
 667         methods::OK_EXPECT,
 668         methods::OPTION_MAP_OR_NONE,
 669         methods::OR_FUN_CALL,
 670         methods::SEARCH_IS_SOME,
 671         methods::SHOULD_IMPLEMENT_TRAIT,
 672         methods::SINGLE_CHAR_PATTERN,
 673         methods::STRING_EXTEND_CHARS,
 674         methods::TEMPORARY_CSTRING_AS_PTR,
 675         methods::UNNECESSARY_FILTER_MAP,
 676         methods::UNNECESSARY_FOLD,
 677         methods::USELESS_ASREF,
 678         methods::WRONG_SELF_CONVENTION,
 679         minmax::MIN_MAX,
 680         misc::CMP_NAN,
 681         misc::CMP_OWNED,
 682         misc::FLOAT_CMP,
 683         misc::MODULO_ONE,
 684         misc::REDUNDANT_PATTERN,
 685         misc::SHORT_CIRCUIT_STATEMENT,
 686         misc::TOPLEVEL_REF_ARG,
 687         misc::ZERO_PTR,
 688         misc_early::BUILTIN_TYPE_SHADOW,
 689         misc_early::DOUBLE_NEG,
 690         misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
 691         misc_early::MIXED_CASE_HEX_LITERALS,
 692         misc_early::REDUNDANT_CLOSURE_CALL,
 693         misc_early::UNNEEDED_FIELD_PATTERN,
 694         misc_early::ZERO_PREFIXED_LITERAL,
 695         mut_reference::UNNECESSARY_MUT_PASSED,
 696         mutex_atomic::MUTEX_ATOMIC,
 697         needless_bool::BOOL_COMPARISON,
 698         needless_bool::NEEDLESS_BOOL,
 699         needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
 700         needless_update::NEEDLESS_UPDATE,
 701         neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
 702         neg_multiply::NEG_MULTIPLY,
 703         new_without_default::NEW_WITHOUT_DEFAULT,
 704         new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
 705         no_effect::NO_EFFECT,
 706         no_effect::UNNECESSARY_OPERATION,
 707         non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
 708         non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
 709         non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
 710         non_expressive_names::MANY_SINGLE_CHAR_NAMES,
 711         ok_if_let::IF_LET_SOME_RESULT,
 712         open_options::NONSENSICAL_OPEN_OPTIONS,
 713         overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
 714         panic_unimplemented::PANIC_PARAMS,
 715         partialeq_ne_impl::PARTIALEQ_NE_IMPL,
 716         precedence::PRECEDENCE,
 717         ptr::CMP_NULL,
 718         ptr::MUT_FROM_REF,
 719         ptr::PTR_ARG,
 720         ptr_offset_with_cast::PTR_OFFSET_WITH_CAST,
 721         question_mark::QUESTION_MARK,
 722         ranges::ITERATOR_STEP_BY_ZERO,
 723         ranges::RANGE_MINUS_ONE,
 724         ranges::RANGE_PLUS_ONE,
 725         ranges::RANGE_ZIP_WITH_LEN,
 726         redundant_field_names::REDUNDANT_FIELD_NAMES,
 727         redundant_pattern_matching::REDUNDANT_PATTERN_MATCHING,
 728         reference::DEREF_ADDROF,
 729         reference::REF_IN_DEREF,
 730         regex::INVALID_REGEX,
 731         regex::REGEX_MACRO,
 732         regex::TRIVIAL_REGEX,
 733         returns::LET_AND_RETURN,
 734         returns::NEEDLESS_RETURN,
 735         returns::UNUSED_UNIT,
 736         serde_api::SERDE_API_MISUSE,
 737         slow_vector_initialization::SLOW_VECTOR_INITIALIZATION,
 738         strings::STRING_LIT_AS_BYTES,
 739         suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
 740         suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
 741         swap::ALMOST_SWAPPED,
 742         swap::MANUAL_SWAP,
 743         temporary_assignment::TEMPORARY_ASSIGNMENT,
 744         transmute::CROSSPOINTER_TRANSMUTE,
 745         transmute::TRANSMUTE_BYTES_TO_STR,
 746         transmute::TRANSMUTE_INT_TO_BOOL,
 747         transmute::TRANSMUTE_INT_TO_CHAR,
 748         transmute::TRANSMUTE_INT_TO_FLOAT,
 749         transmute::TRANSMUTE_PTR_TO_PTR,
 750         transmute::TRANSMUTE_PTR_TO_REF,
 751         transmute::USELESS_TRANSMUTE,
 752         transmute::WRONG_TRANSMUTE,
 753         trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
 754         types::ABSURD_EXTREME_COMPARISONS,
 755         types::BORROWED_BOX,
 756         types::BOX_VEC,
 757         types::CAST_LOSSLESS,
 758         types::CAST_PTR_ALIGNMENT,
 759         types::CHAR_LIT_AS_U8,
 760         types::FN_TO_NUMERIC_CAST,
 761         types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
 762         types::IMPLICIT_HASHER,
 763         types::LET_UNIT_VALUE,
 764         types::OPTION_OPTION,
 765         types::TYPE_COMPLEXITY,
 766         types::UNIT_ARG,
 767         types::UNIT_CMP,
 768         types::UNNECESSARY_CAST,
 769         types::VEC_BOX,
 770         unicode::ZERO_WIDTH_SPACE,
 771         unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
 772         unused_io_amount::UNUSED_IO_AMOUNT,
 773         unused_label::UNUSED_LABEL,
 774         vec::USELESS_VEC,
 775         write::PRINTLN_EMPTY_STRING,
 776         write::PRINT_LITERAL,
 777         write::PRINT_WITH_NEWLINE,
 778         write::WRITELN_EMPTY_STRING,
 779         write::WRITE_LITERAL,
 780         write::WRITE_WITH_NEWLINE,
 781         zero_div_zero::ZERO_DIVIDED_BY_ZERO,
 782     ]);
 783
 784     reg.register_lint_group("clippy::style", Some("clippy_style"), vec![
 785         assign_ops::ASSIGN_OP_PATTERN,
 786         attrs::UNKNOWN_CLIPPY_LINTS,
 787         bit_mask::VERBOSE_BIT_MASK,
 788         blacklisted_name::BLACKLISTED_NAME,
 789         block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
 790         block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
 791         collapsible_if::COLLAPSIBLE_IF,
 792         const_static_lifetime::CONST_STATIC_LIFETIME,
 793         enum_variants::ENUM_VARIANT_NAMES,
 794         enum_variants::MODULE_INCEPTION,
 795         eq_op::OP_REF,
 796         eta_reduction::REDUNDANT_CLOSURE,
 797         excessive_precision::EXCESSIVE_PRECISION,
 798         formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
 799         formatting::SUSPICIOUS_ELSE_FORMATTING,
 800         infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
 801         len_zero::LEN_WITHOUT_IS_EMPTY,
 802         len_zero::LEN_ZERO,
 803         let_if_seq::USELESS_LET_IF_SEQ,
 804         literal_representation::INCONSISTENT_DIGIT_GROUPING,
 805         literal_representation::UNREADABLE_LITERAL,
 806         loops::EMPTY_LOOP,
 807         loops::FOR_KV_MAP,
 808         loops::NEEDLESS_RANGE_LOOP,
 809         loops::WHILE_LET_ON_ITERATOR,
 810         map_clone::MAP_CLONE,
 811         matches::MATCH_BOOL,
 812         matches::MATCH_OVERLAPPING_ARM,
 813         matches::MATCH_REF_PATS,
 814         matches::MATCH_WILD_ERR_ARM,
 815         matches::SINGLE_MATCH,
 816         mem_replace::MEM_REPLACE_OPTION_WITH_NONE,
 817         methods::CHARS_LAST_CMP,
 818         methods::GET_UNWRAP,
 819         methods::INTO_ITER_ON_REF,
 820         methods::ITER_CLONED_COLLECT,
 821         methods::ITER_SKIP_NEXT,
 822         methods::NEW_RET_NO_SELF,
 823         methods::OK_EXPECT,
 824         methods::OPTION_MAP_OR_NONE,
 825         methods::SHOULD_IMPLEMENT_TRAIT,
 826         methods::STRING_EXTEND_CHARS,
 827         methods::UNNECESSARY_FOLD,
 828         methods::WRONG_SELF_CONVENTION,
 829         misc::REDUNDANT_PATTERN,
 830         misc::TOPLEVEL_REF_ARG,
 831         misc::ZERO_PTR,
 832         misc_early::BUILTIN_TYPE_SHADOW,
 833         misc_early::DOUBLE_NEG,
 834         misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
 835         misc_early::MIXED_CASE_HEX_LITERALS,
 836         misc_early::UNNEEDED_FIELD_PATTERN,
 837         mut_reference::UNNECESSARY_MUT_PASSED,
 838         neg_multiply::NEG_MULTIPLY,
 839         new_without_default::NEW_WITHOUT_DEFAULT,
 840         new_without_default::NEW_WITHOUT_DEFAULT_DERIVE,
 841         non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
 842         non_expressive_names::MANY_SINGLE_CHAR_NAMES,
 843         ok_if_let::IF_LET_SOME_RESULT,
 844         panic_unimplemented::PANIC_PARAMS,
 845         ptr::CMP_NULL,
 846         ptr::PTR_ARG,
 847         question_mark::QUESTION_MARK,
 848         redundant_field_names::REDUNDANT_FIELD_NAMES,
 849         redundant_pattern_matching::REDUNDANT_PATTERN_MATCHING,
 850         regex::REGEX_MACRO,
 851         regex::TRIVIAL_REGEX,
 852         returns::LET_AND_RETURN,
 853         returns::NEEDLESS_RETURN,
 854         returns::UNUSED_UNIT,
 855         strings::STRING_LIT_AS_BYTES,
 856         types::FN_TO_NUMERIC_CAST,
 857         types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
 858         types::IMPLICIT_HASHER,
 859         types::LET_UNIT_VALUE,
 860         unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
 861         write::PRINTLN_EMPTY_STRING,
 862         write::PRINT_LITERAL,
 863         write::PRINT_WITH_NEWLINE,
 864         write::WRITELN_EMPTY_STRING,
 865         write::WRITE_LITERAL,
 866         write::WRITE_WITH_NEWLINE,
 867     ]);
 868
 869     reg.register_lint_group("clippy::complexity", Some("clippy_complexity"), vec![
 870         assign_ops::MISREFACTORED_ASSIGN_OP,
 871         attrs::DEPRECATED_CFG_ATTR,
 872         booleans::NONMINIMAL_BOOL,
 873         cyclomatic_complexity::CYCLOMATIC_COMPLEXITY,
 874         double_comparison::DOUBLE_COMPARISONS,
 875         double_parens::DOUBLE_PARENS,
 876         duration_subsec::DURATION_SUBSEC,
 877         eval_order_dependence::DIVERGING_SUB_EXPRESSION,
 878         eval_order_dependence::EVAL_ORDER_DEPENDENCE,
 879         explicit_write::EXPLICIT_WRITE,
 880         format::USELESS_FORMAT,
 881         functions::TOO_MANY_ARGUMENTS,
 882         identity_conversion::IDENTITY_CONVERSION,
 883         identity_op::IDENTITY_OP,
 884         int_plus_one::INT_PLUS_ONE,
 885         lifetimes::EXTRA_UNUSED_LIFETIMES,
 886         lifetimes::NEEDLESS_LIFETIMES,
 887         loops::EXPLICIT_COUNTER_LOOP,
 888         loops::MUT_RANGE_BOUND,
 889         loops::WHILE_LET_LOOP,
 890         map_unit_fn::OPTION_MAP_UNIT_FN,
 891         map_unit_fn::RESULT_MAP_UNIT_FN,
 892         matches::MATCH_AS_REF,
 893         methods::CHARS_NEXT_CMP,
 894         methods::CLONE_ON_COPY,
 895         methods::FILTER_NEXT,
 896         methods::SEARCH_IS_SOME,
 897         methods::UNNECESSARY_FILTER_MAP,
 898         methods::USELESS_ASREF,
 899         misc::SHORT_CIRCUIT_STATEMENT,
 900         misc_early::REDUNDANT_CLOSURE_CALL,
 901         misc_early::ZERO_PREFIXED_LITERAL,
 902         needless_bool::BOOL_COMPARISON,
 903         needless_bool::NEEDLESS_BOOL,
 904         needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
 905         needless_update::NEEDLESS_UPDATE,
 906         neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
 907         no_effect::NO_EFFECT,
 908         no_effect::UNNECESSARY_OPERATION,
 909         overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
 910         partialeq_ne_impl::PARTIALEQ_NE_IMPL,
 911         precedence::PRECEDENCE,
 912         ptr_offset_with_cast::PTR_OFFSET_WITH_CAST,
 913         ranges::RANGE_MINUS_ONE,
 914         ranges::RANGE_PLUS_ONE,
 915         ranges::RANGE_ZIP_WITH_LEN,
 916         reference::DEREF_ADDROF,
 917         reference::REF_IN_DEREF,
 918         swap::MANUAL_SWAP,
 919         temporary_assignment::TEMPORARY_ASSIGNMENT,
 920         transmute::CROSSPOINTER_TRANSMUTE,
 921         transmute::TRANSMUTE_BYTES_TO_STR,
 922         transmute::TRANSMUTE_INT_TO_BOOL,
 923         transmute::TRANSMUTE_INT_TO_CHAR,
 924         transmute::TRANSMUTE_INT_TO_FLOAT,
 925         transmute::TRANSMUTE_PTR_TO_PTR,
 926         transmute::TRANSMUTE_PTR_TO_REF,
 927         transmute::USELESS_TRANSMUTE,
 928         types::BORROWED_BOX,
 929         types::CAST_LOSSLESS,
 930         types::CHAR_LIT_AS_U8,
 931         types::OPTION_OPTION,
 932         types::TYPE_COMPLEXITY,
 933         types::UNIT_ARG,
 934         types::UNNECESSARY_CAST,
 935         types::VEC_BOX,
 936         unused_label::UNUSED_LABEL,
 937         zero_div_zero::ZERO_DIVIDED_BY_ZERO,
 938     ]);
 939
 940     reg.register_lint_group("clippy::correctness", Some("clippy_correctness"), vec![
 941         approx_const::APPROX_CONSTANT,
 942         attrs::DEPRECATED_SEMVER,
 943         attrs::USELESS_ATTRIBUTE,
 944         bit_mask::BAD_BIT_MASK,
 945         bit_mask::INEFFECTIVE_BIT_MASK,
 946         booleans::LOGIC_BUG,
 947         copies::IFS_SAME_COND,
 948         copies::IF_SAME_THEN_ELSE,
 949         derive::DERIVE_HASH_XOR_EQ,
 950         drop_forget_ref::DROP_COPY,
 951         drop_forget_ref::DROP_REF,
 952         drop_forget_ref::FORGET_COPY,
 953         drop_forget_ref::FORGET_REF,
 954         enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
 955         eq_op::EQ_OP,
 956         erasing_op::ERASING_OP,
 957         formatting::POSSIBLE_MISSING_COMMA,
 958         functions::NOT_UNSAFE_PTR_ARG_DEREF,
 959         indexing_slicing::OUT_OF_BOUNDS_INDEXING,
 960         infinite_iter::INFINITE_ITER,
 961         inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
 962         invalid_ref::INVALID_REF,
 963         literal_representation::MISTYPED_LITERAL_SUFFIXES,
 964         loops::FOR_LOOP_OVER_OPTION,
 965         loops::FOR_LOOP_OVER_RESULT,
 966         loops::ITER_NEXT_LOOP,
 967         loops::NEVER_LOOP,
 968         loops::REVERSE_RANGE_LOOP,
 969         loops::WHILE_IMMUTABLE_CONDITION,
 970         mem_discriminant::MEM_DISCRIMINANT_NON_ENUM,
 971         methods::CLONE_DOUBLE_REF,
 972         methods::INTO_ITER_ON_ARRAY,
 973         methods::TEMPORARY_CSTRING_AS_PTR,
 974         minmax::MIN_MAX,
 975         misc::CMP_NAN,
 976         misc::FLOAT_CMP,
 977         misc::MODULO_ONE,
 978         non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
 979         non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
 980         open_options::NONSENSICAL_OPEN_OPTIONS,
 981         ptr::MUT_FROM_REF,
 982         ranges::ITERATOR_STEP_BY_ZERO,
 983         regex::INVALID_REGEX,
 984         serde_api::SERDE_API_MISUSE,
 985         suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
 986         suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
 987         swap::ALMOST_SWAPPED,
 988         transmute::WRONG_TRANSMUTE,
 989         types::ABSURD_EXTREME_COMPARISONS,
 990         types::CAST_PTR_ALIGNMENT,
 991         types::UNIT_CMP,
 992         unicode::ZERO_WIDTH_SPACE,
 993         unused_io_amount::UNUSED_IO_AMOUNT,
 994     ]);
 995
 996     reg.register_lint_group("clippy::perf", Some("clippy_perf"), vec![
 997         bytecount::NAIVE_BYTECOUNT,
 998         entry::MAP_ENTRY,
 999         escape::BOXED_LOCAL,
1000         large_enum_variant::LARGE_ENUM_VARIANT,
1001         loops::MANUAL_MEMCPY,
1002         loops::NEEDLESS_COLLECT,
1003         loops::UNUSED_COLLECT,
1004         methods::EXPECT_FUN_CALL,
1005         methods::ITER_NTH,
1006         methods::OR_FUN_CALL,
1007         methods::SINGLE_CHAR_PATTERN,
1008         misc::CMP_OWNED,
1009         mutex_atomic::MUTEX_ATOMIC,
1010         slow_vector_initialization::SLOW_VECTOR_INITIALIZATION,
1011         trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
1012         types::BOX_VEC,
1013         vec::USELESS_VEC,
1014     ]);
1015
1016     reg.register_lint_group("clippy::cargo", Some("clippy_cargo"), vec![
1017         cargo_common_metadata::CARGO_COMMON_METADATA,
1018         multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
1019         wildcard_dependencies::WILDCARD_DEPENDENCIES,
1020     ]);
1021
1022     reg.register_lint_group("clippy::nursery", Some("clippy_nursery"), vec![
1023         attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
1024         fallible_impl_from::FALLIBLE_IMPL_FROM,
1025         mutex_atomic::MUTEX_INTEGER,
1026         needless_borrow::NEEDLESS_BORROW,
1027         redundant_clone::REDUNDANT_CLONE,
1028         unwrap::PANICKING_UNWRAP,
1029         unwrap::UNNECESSARY_UNWRAP,
1030     ]);
1031 }
1032
1033 pub fn register_renamed(ls: &mut rustc::lint::LintStore) {
1034     ls.register_renamed("clippy::stutter", "clippy::module_name_repetitions");
1035 }
1036
1037 // only exists to let the dogfood integration test works.
1038 // Don't run clippy as an executable directly
1039 #[allow(dead_code)]
1040 fn main() {
1041     panic!("Please use the cargo-clippy executable");
1042 }