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