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