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lib.rs
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// error-pattern:cargo-clippy
#![feature(box_syntax)]
#![feature(box_patterns)]
#![feature(never_type)]
#![feature(rustc_private)]
#![feature(slice_patterns)]
#![feature(stmt_expr_attributes)]
#![allow(clippy::missing_docs_in_private_items, clippy::must_use_candidate)]
#![recursion_limit = "512"]
#![warn(rust_2018_idioms, trivial_casts, trivial_numeric_casts)]
#![deny(rustc::internal)]
#![cfg_attr(feature = "deny-warnings", deny(warnings))]
#![feature(crate_visibility_modifier)]
#![feature(concat_idents)]
// FIXME: switch to something more ergonomic here, once available.
// (Currently there is no way to opt into sysroot crates without `extern crate`.)
#[allow(unused_extern_crates)]
extern crate fmt_macros;
#[allow(unused_extern_crates)]
extern crate rustc;
#[allow(unused_extern_crates)]
extern crate rustc_data_structures;
#[allow(unused_extern_crates)]
extern crate rustc_driver;
#[allow(unused_extern_crates)]
extern crate rustc_errors;
#[allow(unused_extern_crates)]
extern crate rustc_index;
#[allow(unused_extern_crates)]
extern crate rustc_mir;
#[allow(unused_extern_crates)]
extern crate rustc_target;
#[allow(unused_extern_crates)]
extern crate rustc_typeck;
#[allow(unused_extern_crates)]
extern crate syntax;
#[allow(unused_extern_crates)]
extern crate syntax_expand;
#[allow(unused_extern_crates)]
extern crate syntax_pos;
use rustc::lint::{self, LintId};
use rustc::session::Session;
use rustc_data_structures::fx::FxHashSet;
use toml;
/// Macro used to declare a Clippy lint.
///
/// Every lint declaration consists of 4 parts:
///
/// 1. The documentation, which is used for the website
/// 2. The `LINT_NAME`. See [lint naming][lint_naming] on lint naming conventions.
/// 3. The `lint_level`, which is a mapping from *one* of our lint groups to `Allow`, `Warn` or
/// `Deny`. The lint level here has nothing to do with what lint groups the lint is a part of.
/// 4. The `description` that contains a short explanation on what's wrong with code where the
/// lint is triggered.
///
/// Currently the categories `style`, `correctness`, `complexity` and `perf` are enabled by default.
/// As said in the README.md of this repository, if the lint level mapping changes, please update
/// README.md.
///
/// # Example
///
/// ```
/// # #![feature(rustc_private)]
/// # #[allow(unused_extern_crates)]
/// # extern crate rustc;
/// # #[macro_use]
/// # use clippy_lints::declare_clippy_lint;
/// use rustc::declare_tool_lint;
///
/// declare_clippy_lint! {
/// /// **What it does:** Checks for ... (describe what the lint matches).
/// ///
/// /// **Why is this bad?** Supply the reason for linting the code.
/// ///
/// /// **Known problems:** None. (Or describe where it could go wrong.)
/// ///
/// /// **Example:**
/// ///
/// /// ```rust
/// /// // Bad
/// /// Insert a short example of code that triggers the lint
/// ///
/// /// // Good
/// /// Insert a short example of improved code that doesn't trigger the lint
/// /// ```
/// pub LINT_NAME,
/// pedantic,
/// "description"
/// }
/// ```
/// [lint_naming]: https://rust-lang.github.io/rfcs/0344-conventions-galore.html#lints
#[macro_export]
macro_rules! declare_clippy_lint {
{ $(#[$attr:meta])* pub $name:tt, style, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Warn, $description, report_in_external_macro: true
}
};
{ $(#[$attr:meta])* pub $name:tt, correctness, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Deny, $description, report_in_external_macro: true
}
};
{ $(#[$attr:meta])* pub $name:tt, complexity, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Warn, $description, report_in_external_macro: true
}
};
{ $(#[$attr:meta])* pub $name:tt, perf, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Warn, $description, report_in_external_macro: true
}
};
{ $(#[$attr:meta])* pub $name:tt, pedantic, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true
}
};
{ $(#[$attr:meta])* pub $name:tt, restriction, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true
}
};
{ $(#[$attr:meta])* pub $name:tt, cargo, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true
}
};
{ $(#[$attr:meta])* pub $name:tt, nursery, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true
}
};
{ $(#[$attr:meta])* pub $name:tt, internal, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Allow, $description, report_in_external_macro: true
}
};
{ $(#[$attr:meta])* pub $name:tt, internal_warn, $description:tt } => {
declare_tool_lint! {
$(#[$attr])* pub clippy::$name, Warn, $description, report_in_external_macro: true
}
};
}
mod consts;
#[macro_use]
mod utils;
// begin lints modules, do not remove this comment, it’s used in `update_lints`
pub mod approx_const;
pub mod arithmetic;
pub mod assertions_on_constants;
pub mod assign_ops;
pub mod attrs;
pub mod bit_mask;
pub mod blacklisted_name;
pub mod block_in_if_condition;
pub mod booleans;
pub mod bytecount;
pub mod cargo_common_metadata;
pub mod checked_conversions;
pub mod cognitive_complexity;
pub mod collapsible_if;
pub mod comparison_chain;
pub mod copies;
pub mod copy_iterator;
pub mod dbg_macro;
pub mod default_trait_access;
pub mod derive;
pub mod doc;
pub mod double_comparison;
pub mod double_parens;
pub mod drop_bounds;
pub mod drop_forget_ref;
pub mod duration_subsec;
pub mod else_if_without_else;
pub mod empty_enum;
pub mod entry;
pub mod enum_clike;
pub mod enum_glob_use;
pub mod enum_variants;
pub mod eq_op;
pub mod erasing_op;
pub mod escape;
pub mod eta_reduction;
pub mod eval_order_dependence;
pub mod excessive_precision;
pub mod explicit_write;
pub mod fallible_impl_from;
pub mod format;
pub mod formatting;
pub mod functions;
pub mod get_last_with_len;
pub mod identity_conversion;
pub mod identity_op;
pub mod if_not_else;
pub mod implicit_return;
pub mod indexing_slicing;
pub mod infallible_destructuring_match;
pub mod infinite_iter;
pub mod inherent_impl;
pub mod inherent_to_string;
pub mod inline_fn_without_body;
pub mod int_plus_one;
pub mod integer_division;
pub mod items_after_statements;
pub mod large_enum_variant;
pub mod len_zero;
pub mod let_if_seq;
pub mod lifetimes;
pub mod literal_representation;
pub mod loops;
pub mod main_recursion;
pub mod map_clone;
pub mod map_unit_fn;
pub mod matches;
pub mod mem_discriminant;
pub mod mem_forget;
pub mod mem_replace;
pub mod methods;
pub mod minmax;
pub mod misc;
pub mod misc_early;
pub mod missing_const_for_fn;
pub mod missing_doc;
pub mod missing_inline;
pub mod mul_add;
pub mod multiple_crate_versions;
pub mod mut_mut;
pub mod mut_reference;
pub mod mutable_debug_assertion;
pub mod mutex_atomic;
pub mod needless_bool;
pub mod needless_borrow;
pub mod needless_borrowed_ref;
pub mod needless_continue;
pub mod needless_pass_by_value;
pub mod needless_update;
pub mod neg_cmp_op_on_partial_ord;
pub mod neg_multiply;
pub mod new_without_default;
pub mod no_effect;
pub mod non_copy_const;
pub mod non_expressive_names;
pub mod ok_if_let;
pub mod open_options;
pub mod overflow_check_conditional;
pub mod panic_unimplemented;
pub mod partialeq_ne_impl;
pub mod path_buf_push_overwrite;
pub mod precedence;
pub mod ptr;
pub mod ptr_offset_with_cast;
pub mod question_mark;
pub mod ranges;
pub mod redundant_clone;
pub mod redundant_field_names;
pub mod redundant_pattern_matching;
pub mod redundant_static_lifetimes;
pub mod reference;
pub mod regex;
pub mod replace_consts;
pub mod returns;
pub mod serde_api;
pub mod shadow;
pub mod slow_vector_initialization;
pub mod strings;
pub mod suspicious_trait_impl;
pub mod swap;
pub mod temporary_assignment;
pub mod trait_bounds;
pub mod transmute;
pub mod transmuting_null;
pub mod trivially_copy_pass_by_ref;
pub mod try_err;
pub mod types;
pub mod unicode;
pub mod unsafe_removed_from_name;
pub mod unused_io_amount;
pub mod unused_label;
pub mod unused_self;
pub mod unwrap;
pub mod use_self;
pub mod vec;
pub mod wildcard_dependencies;
pub mod write;
pub mod zero_div_zero;
// end lints modules, do not remove this comment, it’s used in `update_lints`
pub use crate::utils::conf::Conf;
mod reexport {
crate use syntax::ast::Name;
}
/// Register all pre expansion lints
///
/// Pre-expansion lints run before any macro expansion has happened.
///
/// Note that due to the architecture of the compiler, currently `cfg_attr` attributes on crate
/// level (i.e `#![cfg_attr(...)]`) will still be expanded even when using a pre-expansion pass.
///
/// Used in `./src/driver.rs`.
pub fn register_pre_expansion_lints(store: &mut rustc::lint::LintStore, conf: &Conf) {
store.register_pre_expansion_pass(|| box write::Write);
store.register_pre_expansion_pass(|| box redundant_field_names::RedundantFieldNames);
let single_char_binding_names_threshold = conf.single_char_binding_names_threshold;
store.register_pre_expansion_pass(move || box non_expressive_names::NonExpressiveNames {
single_char_binding_names_threshold,
});
store.register_pre_expansion_pass(|| box attrs::DeprecatedCfgAttribute);
store.register_pre_expansion_pass(|| box dbg_macro::DbgMacro);
}
#[doc(hidden)]
pub fn read_conf(args: &[syntax::ast::NestedMetaItem], sess: &Session) -> Conf {
match utils::conf::file_from_args(args) {
Ok(file_name) => {
// if the user specified a file, it must exist, otherwise default to `clippy.toml` but
// do not require the file to exist
let file_name = if let Some(file_name) = file_name {
Some(file_name)
} else {
match utils::conf::lookup_conf_file() {
Ok(path) => path,
Err(error) => {
sess.struct_err(&format!("error finding Clippy's configuration file: {}", error))
.emit();
None
},
}
};
let file_name = file_name.map(|file_name| {
if file_name.is_relative() {
sess.local_crate_source_file
.as_ref()
.and_then(|file| std::path::Path::new(&file).parent().map(std::path::Path::to_path_buf))
.unwrap_or_default()
.join(file_name)
} else {
file_name
}
});
let (conf, errors) = utils::conf::read(file_name.as_ref().map(std::convert::AsRef::as_ref));
// all conf errors are non-fatal, we just use the default conf in case of error
for error in errors {
sess.struct_err(&format!(
"error reading Clippy's configuration file `{}`: {}",
file_name.as_ref().and_then(|p| p.to_str()).unwrap_or(""),
error
))
.emit();
}
conf
},
Err((err, span)) => {
sess.struct_span_err(span, err)
.span_note(span, "Clippy will use default configuration")
.emit();
toml::from_str("").expect("we never error on empty config files")
},
}
}
/// Register all lints and lint groups with the rustc plugin registry
///
/// Used in `./src/driver.rs`.
#[allow(clippy::too_many_lines)]
#[rustfmt::skip]
pub fn register_plugins(store: &mut lint::LintStore, sess: &Session, conf: &Conf) {
register_removed_non_tool_lints(store);
// begin deprecated lints, do not remove this comment, it’s used in `update_lints`
store.register_removed(
"clippy::should_assert_eq",
"`assert!()` will be more flexible with RFC 2011",
);
store.register_removed(
"clippy::extend_from_slice",
"`.extend_from_slice(_)` is a faster way to extend a Vec by a slice",
);
store.register_removed(
"clippy::range_step_by_zero",
"`iterator.step_by(0)` panics nowadays",
);
store.register_removed(
"clippy::unstable_as_slice",
"`Vec::as_slice` has been stabilized in 1.7",
);
store.register_removed(
"clippy::unstable_as_mut_slice",
"`Vec::as_mut_slice` has been stabilized in 1.7",
);
store.register_removed(
"clippy::str_to_string",
"using `str::to_string` is common even today and specialization will likely happen soon",
);
store.register_removed(
"clippy::string_to_string",
"using `string::to_string` is common even today and specialization will likely happen soon",
);
store.register_removed(
"clippy::misaligned_transmute",
"this lint has been split into cast_ptr_alignment and transmute_ptr_to_ptr",
);
store.register_removed(
"clippy::assign_ops",
"using compound assignment operators (e.g., `+=`) is harmless",
);
store.register_removed(
"clippy::if_let_redundant_pattern_matching",
"this lint has been changed to redundant_pattern_matching",
);
store.register_removed(
"clippy::unsafe_vector_initialization",
"the replacement suggested by this lint had substantially different behavior",
);
store.register_removed(
"clippy::invalid_ref",
"superseded by rustc lint `invalid_value`",
);
store.register_removed(
"clippy::unused_collect",
"`collect` has been marked as #[must_use] in rustc and that covers all cases of this lint",
);
// end deprecated lints, do not remove this comment, it’s used in `update_lints`
// begin register lints, do not remove this comment, it’s used in `update_lints`
store.register_lints(&[
&approx_const::APPROX_CONSTANT,
&arithmetic::FLOAT_ARITHMETIC,
&arithmetic::INTEGER_ARITHMETIC,
&assertions_on_constants::ASSERTIONS_ON_CONSTANTS,
&assign_ops::ASSIGN_OP_PATTERN,
&assign_ops::MISREFACTORED_ASSIGN_OP,
&attrs::DEPRECATED_CFG_ATTR,
&attrs::DEPRECATED_SEMVER,
&attrs::EMPTY_LINE_AFTER_OUTER_ATTR,
&attrs::INLINE_ALWAYS,
&attrs::UNKNOWN_CLIPPY_LINTS,
&attrs::USELESS_ATTRIBUTE,
&bit_mask::BAD_BIT_MASK,
&bit_mask::INEFFECTIVE_BIT_MASK,
&bit_mask::VERBOSE_BIT_MASK,
&blacklisted_name::BLACKLISTED_NAME,
&block_in_if_condition::BLOCK_IN_IF_CONDITION_EXPR,
&block_in_if_condition::BLOCK_IN_IF_CONDITION_STMT,
&booleans::LOGIC_BUG,
&booleans::NONMINIMAL_BOOL,
&bytecount::NAIVE_BYTECOUNT,
&cargo_common_metadata::CARGO_COMMON_METADATA,
&checked_conversions::CHECKED_CONVERSIONS,
&cognitive_complexity::COGNITIVE_COMPLEXITY,
&collapsible_if::COLLAPSIBLE_IF,
&comparison_chain::COMPARISON_CHAIN,
&copies::IFS_SAME_COND,
&copies::IF_SAME_THEN_ELSE,
&copies::MATCH_SAME_ARMS,
©_iterator::COPY_ITERATOR,
&dbg_macro::DBG_MACRO,
&default_trait_access::DEFAULT_TRAIT_ACCESS,
&derive::DERIVE_HASH_XOR_EQ,
&derive::EXPL_IMPL_CLONE_ON_COPY,
&doc::DOC_MARKDOWN,
&doc::MISSING_SAFETY_DOC,
&doc::NEEDLESS_DOCTEST_MAIN,
&double_comparison::DOUBLE_COMPARISONS,
&double_parens::DOUBLE_PARENS,
&drop_bounds::DROP_BOUNDS,
&drop_forget_ref::DROP_COPY,
&drop_forget_ref::DROP_REF,
&drop_forget_ref::FORGET_COPY,
&drop_forget_ref::FORGET_REF,
&duration_subsec::DURATION_SUBSEC,
&else_if_without_else::ELSE_IF_WITHOUT_ELSE,
&empty_enum::EMPTY_ENUM,
&entry::MAP_ENTRY,
&enum_clike::ENUM_CLIKE_UNPORTABLE_VARIANT,
&enum_glob_use::ENUM_GLOB_USE,
&enum_variants::ENUM_VARIANT_NAMES,
&enum_variants::MODULE_INCEPTION,
&enum_variants::MODULE_NAME_REPETITIONS,
&enum_variants::PUB_ENUM_VARIANT_NAMES,
&eq_op::EQ_OP,
&eq_op::OP_REF,
&erasing_op::ERASING_OP,
&escape::BOXED_LOCAL,
&eta_reduction::REDUNDANT_CLOSURE,
&eta_reduction::REDUNDANT_CLOSURE_FOR_METHOD_CALLS,
&eval_order_dependence::DIVERGING_SUB_EXPRESSION,
&eval_order_dependence::EVAL_ORDER_DEPENDENCE,
&excessive_precision::EXCESSIVE_PRECISION,
&explicit_write::EXPLICIT_WRITE,
&fallible_impl_from::FALLIBLE_IMPL_FROM,
&format::USELESS_FORMAT,
&formatting::POSSIBLE_MISSING_COMMA,
&formatting::SUSPICIOUS_ASSIGNMENT_FORMATTING,
&formatting::SUSPICIOUS_ELSE_FORMATTING,
&formatting::SUSPICIOUS_UNARY_OP_FORMATTING,
&functions::DOUBLE_MUST_USE,
&functions::MUST_USE_CANDIDATE,
&functions::MUST_USE_UNIT,
&functions::NOT_UNSAFE_PTR_ARG_DEREF,
&functions::TOO_MANY_ARGUMENTS,
&functions::TOO_MANY_LINES,
&get_last_with_len::GET_LAST_WITH_LEN,
&identity_conversion::IDENTITY_CONVERSION,
&identity_op::IDENTITY_OP,
&if_not_else::IF_NOT_ELSE,
&implicit_return::IMPLICIT_RETURN,
&indexing_slicing::INDEXING_SLICING,
&indexing_slicing::OUT_OF_BOUNDS_INDEXING,
&infallible_destructuring_match::INFALLIBLE_DESTRUCTURING_MATCH,
&infinite_iter::INFINITE_ITER,
&infinite_iter::MAYBE_INFINITE_ITER,
&inherent_impl::MULTIPLE_INHERENT_IMPL,
&inherent_to_string::INHERENT_TO_STRING,
&inherent_to_string::INHERENT_TO_STRING_SHADOW_DISPLAY,
&inline_fn_without_body::INLINE_FN_WITHOUT_BODY,
&int_plus_one::INT_PLUS_ONE,
&integer_division::INTEGER_DIVISION,
&items_after_statements::ITEMS_AFTER_STATEMENTS,
&large_enum_variant::LARGE_ENUM_VARIANT,
&len_zero::LEN_WITHOUT_IS_EMPTY,
&len_zero::LEN_ZERO,
&let_if_seq::USELESS_LET_IF_SEQ,
&lifetimes::EXTRA_UNUSED_LIFETIMES,
&lifetimes::NEEDLESS_LIFETIMES,
&literal_representation::DECIMAL_LITERAL_REPRESENTATION,
&literal_representation::INCONSISTENT_DIGIT_GROUPING,
&literal_representation::LARGE_DIGIT_GROUPS,
&literal_representation::MISTYPED_LITERAL_SUFFIXES,
&literal_representation::UNREADABLE_LITERAL,
&loops::EMPTY_LOOP,
&loops::EXPLICIT_COUNTER_LOOP,
&loops::EXPLICIT_INTO_ITER_LOOP,
&loops::EXPLICIT_ITER_LOOP,
&loops::FOR_KV_MAP,
&loops::FOR_LOOP_OVER_OPTION,
&loops::FOR_LOOP_OVER_RESULT,
&loops::ITER_NEXT_LOOP,
&loops::MANUAL_MEMCPY,
&loops::MUT_RANGE_BOUND,
&loops::NEEDLESS_COLLECT,
&loops::NEEDLESS_RANGE_LOOP,
&loops::NEVER_LOOP,
&loops::REVERSE_RANGE_LOOP,
&loops::WHILE_IMMUTABLE_CONDITION,
&loops::WHILE_LET_LOOP,
&loops::WHILE_LET_ON_ITERATOR,
&main_recursion::MAIN_RECURSION,
&map_clone::MAP_CLONE,
&map_unit_fn::OPTION_MAP_UNIT_FN,
&map_unit_fn::RESULT_MAP_UNIT_FN,
&matches::MATCH_AS_REF,
&matches::MATCH_BOOL,
&matches::MATCH_OVERLAPPING_ARM,
&matches::MATCH_REF_PATS,
&matches::MATCH_WILD_ERR_ARM,
&matches::SINGLE_MATCH,
&matches::SINGLE_MATCH_ELSE,
&matches::WILDCARD_ENUM_MATCH_ARM,
&mem_discriminant::MEM_DISCRIMINANT_NON_ENUM,
&mem_forget::MEM_FORGET,
&mem_replace::MEM_REPLACE_OPTION_WITH_NONE,
&mem_replace::MEM_REPLACE_WITH_UNINIT,
&methods::CHARS_LAST_CMP,
&methods::CHARS_NEXT_CMP,
&methods::CLONE_DOUBLE_REF,
&methods::CLONE_ON_COPY,
&methods::CLONE_ON_REF_PTR,
&methods::EXPECT_FUN_CALL,
&methods::FILTER_MAP,
&methods::FILTER_MAP_NEXT,
&methods::FILTER_NEXT,
&methods::FIND_MAP,
&methods::FLAT_MAP_IDENTITY,
&methods::GET_UNWRAP,
&methods::INEFFICIENT_TO_STRING,
&methods::INTO_ITER_ON_ARRAY,
&methods::INTO_ITER_ON_REF,
&methods::ITER_CLONED_COLLECT,
&methods::ITER_NTH,
&methods::ITER_SKIP_NEXT,
&methods::MANUAL_SATURATING_ARITHMETIC,
&methods::MAP_FLATTEN,
&methods::NEW_RET_NO_SELF,
&methods::OK_EXPECT,
&methods::OPTION_AND_THEN_SOME,
&methods::OPTION_EXPECT_USED,
&methods::OPTION_MAP_OR_NONE,
&methods::OPTION_MAP_UNWRAP_OR,
&methods::OPTION_MAP_UNWRAP_OR_ELSE,
&methods::OPTION_UNWRAP_USED,
&methods::OR_FUN_CALL,
&methods::RESULT_EXPECT_USED,
&methods::RESULT_MAP_UNWRAP_OR_ELSE,
&methods::RESULT_UNWRAP_USED,
&methods::SEARCH_IS_SOME,
&methods::SHOULD_IMPLEMENT_TRAIT,
&methods::SINGLE_CHAR_PATTERN,
&methods::STRING_EXTEND_CHARS,
&methods::SUSPICIOUS_MAP,
&methods::TEMPORARY_CSTRING_AS_PTR,
&methods::UNINIT_ASSUMED_INIT,
&methods::UNNECESSARY_FILTER_MAP,
&methods::UNNECESSARY_FOLD,
&methods::USELESS_ASREF,
&methods::WRONG_PUB_SELF_CONVENTION,
&methods::WRONG_SELF_CONVENTION,
&minmax::MIN_MAX,
&misc::CMP_NAN,
&misc::CMP_OWNED,
&misc::FLOAT_CMP,
&misc::FLOAT_CMP_CONST,
&misc::MODULO_ONE,
&misc::SHORT_CIRCUIT_STATEMENT,
&misc::TOPLEVEL_REF_ARG,
&misc::USED_UNDERSCORE_BINDING,
&misc::ZERO_PTR,
&misc_early::BUILTIN_TYPE_SHADOW,
&misc_early::DOUBLE_NEG,
&misc_early::DUPLICATE_UNDERSCORE_ARGUMENT,
&misc_early::MIXED_CASE_HEX_LITERALS,
&misc_early::REDUNDANT_CLOSURE_CALL,
&misc_early::REDUNDANT_PATTERN,
&misc_early::UNNEEDED_FIELD_PATTERN,
&misc_early::UNNEEDED_WILDCARD_PATTERN,
&misc_early::UNSEPARATED_LITERAL_SUFFIX,
&misc_early::ZERO_PREFIXED_LITERAL,
&missing_const_for_fn::MISSING_CONST_FOR_FN,
&missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS,
&missing_inline::MISSING_INLINE_IN_PUBLIC_ITEMS,
&mul_add::MANUAL_MUL_ADD,
&multiple_crate_versions::MULTIPLE_CRATE_VERSIONS,
&mut_mut::MUT_MUT,
&mut_reference::UNNECESSARY_MUT_PASSED,
&mutable_debug_assertion::DEBUG_ASSERT_WITH_MUT_CALL,
&mutex_atomic::MUTEX_ATOMIC,
&mutex_atomic::MUTEX_INTEGER,
&needless_bool::BOOL_COMPARISON,
&needless_bool::NEEDLESS_BOOL,
&needless_borrow::NEEDLESS_BORROW,
&needless_borrowed_ref::NEEDLESS_BORROWED_REFERENCE,
&needless_continue::NEEDLESS_CONTINUE,
&needless_pass_by_value::NEEDLESS_PASS_BY_VALUE,
&needless_update::NEEDLESS_UPDATE,
&neg_cmp_op_on_partial_ord::NEG_CMP_OP_ON_PARTIAL_ORD,
&neg_multiply::NEG_MULTIPLY,
&new_without_default::NEW_WITHOUT_DEFAULT,
&no_effect::NO_EFFECT,
&no_effect::UNNECESSARY_OPERATION,
&non_copy_const::BORROW_INTERIOR_MUTABLE_CONST,
&non_copy_const::DECLARE_INTERIOR_MUTABLE_CONST,
&non_expressive_names::JUST_UNDERSCORES_AND_DIGITS,
&non_expressive_names::MANY_SINGLE_CHAR_NAMES,
&non_expressive_names::SIMILAR_NAMES,
&ok_if_let::IF_LET_SOME_RESULT,
&open_options::NONSENSICAL_OPEN_OPTIONS,
&overflow_check_conditional::OVERFLOW_CHECK_CONDITIONAL,
&panic_unimplemented::PANIC,
&panic_unimplemented::PANIC_PARAMS,
&panic_unimplemented::TODO,
&panic_unimplemented::UNIMPLEMENTED,
&panic_unimplemented::UNREACHABLE,
&partialeq_ne_impl::PARTIALEQ_NE_IMPL,
&path_buf_push_overwrite::PATH_BUF_PUSH_OVERWRITE,
&precedence::PRECEDENCE,
&ptr::CMP_NULL,
&ptr::MUT_FROM_REF,
&ptr::PTR_ARG,
&ptr_offset_with_cast::PTR_OFFSET_WITH_CAST,
&question_mark::QUESTION_MARK,
&ranges::ITERATOR_STEP_BY_ZERO,
&ranges::RANGE_MINUS_ONE,
&ranges::RANGE_PLUS_ONE,
&ranges::RANGE_ZIP_WITH_LEN,
&redundant_clone::REDUNDANT_CLONE,
&redundant_field_names::REDUNDANT_FIELD_NAMES,
&redundant_pattern_matching::REDUNDANT_PATTERN_MATCHING,
&redundant_static_lifetimes::REDUNDANT_STATIC_LIFETIMES,
&reference::DEREF_ADDROF,
&reference::REF_IN_DEREF,
®ex::INVALID_REGEX,
®ex::REGEX_MACRO,
®ex::TRIVIAL_REGEX,
&replace_consts::REPLACE_CONSTS,
&returns::LET_AND_RETURN,
&returns::NEEDLESS_RETURN,
&returns::UNUSED_UNIT,
&serde_api::SERDE_API_MISUSE,
&shadow::SHADOW_REUSE,
&shadow::SHADOW_SAME,
&shadow::SHADOW_UNRELATED,
&slow_vector_initialization::SLOW_VECTOR_INITIALIZATION,
&strings::STRING_ADD,
&strings::STRING_ADD_ASSIGN,
&strings::STRING_LIT_AS_BYTES,
&suspicious_trait_impl::SUSPICIOUS_ARITHMETIC_IMPL,
&suspicious_trait_impl::SUSPICIOUS_OP_ASSIGN_IMPL,
&swap::ALMOST_SWAPPED,
&swap::MANUAL_SWAP,
&temporary_assignment::TEMPORARY_ASSIGNMENT,
&trait_bounds::TYPE_REPETITION_IN_BOUNDS,
&transmute::CROSSPOINTER_TRANSMUTE,
&transmute::TRANSMUTE_BYTES_TO_STR,
&transmute::TRANSMUTE_INT_TO_BOOL,
&transmute::TRANSMUTE_INT_TO_CHAR,
&transmute::TRANSMUTE_INT_TO_FLOAT,
&transmute::TRANSMUTE_PTR_TO_PTR,
&transmute::TRANSMUTE_PTR_TO_REF,
&transmute::UNSOUND_COLLECTION_TRANSMUTE,
&transmute::USELESS_TRANSMUTE,
&transmute::WRONG_TRANSMUTE,
&transmuting_null::TRANSMUTING_NULL,
&trivially_copy_pass_by_ref::TRIVIALLY_COPY_PASS_BY_REF,
&try_err::TRY_ERR,
&types::ABSURD_EXTREME_COMPARISONS,
&types::BORROWED_BOX,
&types::BOX_VEC,
&types::CAST_LOSSLESS,
&types::CAST_POSSIBLE_TRUNCATION,
&types::CAST_POSSIBLE_WRAP,
&types::CAST_PRECISION_LOSS,
&types::CAST_PTR_ALIGNMENT,
&types::CAST_REF_TO_MUT,
&types::CAST_SIGN_LOSS,
&types::CHAR_LIT_AS_U8,
&types::FN_TO_NUMERIC_CAST,
&types::FN_TO_NUMERIC_CAST_WITH_TRUNCATION,
&types::IMPLICIT_HASHER,
&types::INVALID_UPCAST_COMPARISONS,
&types::LET_UNIT_VALUE,
&types::LINKEDLIST,
&types::OPTION_OPTION,
&types::TYPE_COMPLEXITY,
&types::UNIT_ARG,
&types::UNIT_CMP,
&types::UNNECESSARY_CAST,
&types::VEC_BOX,
&unicode::NON_ASCII_LITERAL,
&unicode::UNICODE_NOT_NFC,
&unicode::ZERO_WIDTH_SPACE,
&unsafe_removed_from_name::UNSAFE_REMOVED_FROM_NAME,
&unused_io_amount::UNUSED_IO_AMOUNT,
&unused_label::UNUSED_LABEL,
&unused_self::UNUSED_SELF,
&unwrap::PANICKING_UNWRAP,
&unwrap::UNNECESSARY_UNWRAP,
&use_self::USE_SELF,
&vec::USELESS_VEC,
&wildcard_dependencies::WILDCARD_DEPENDENCIES,
&write::PRINTLN_EMPTY_STRING,
&write::PRINT_LITERAL,
&write::PRINT_STDOUT,
&write::PRINT_WITH_NEWLINE,
&write::USE_DEBUG,
&write::WRITELN_EMPTY_STRING,
&write::WRITE_LITERAL,
&write::WRITE_WITH_NEWLINE,
&zero_div_zero::ZERO_DIVIDED_BY_ZERO,
]);
// end register lints, do not remove this comment, it’s used in `update_lints`
store.register_late_pass(|| box serde_api::SerdeAPI);
store.register_late_pass(|| box utils::internal_lints::CompilerLintFunctions::new());
store.register_late_pass(|| box utils::internal_lints::LintWithoutLintPass::default());
store.register_late_pass(|| box utils::internal_lints::OuterExpnDataPass);
store.register_late_pass(|| box utils::inspector::DeepCodeInspector);
store.register_late_pass(|| box utils::author::Author);
store.register_late_pass(|| box types::Types);
store.register_late_pass(|| box booleans::NonminimalBool);
store.register_late_pass(|| box eq_op::EqOp);
store.register_late_pass(|| box enum_glob_use::EnumGlobUse);
store.register_late_pass(|| box enum_clike::UnportableVariant);
store.register_late_pass(|| box excessive_precision::ExcessivePrecision);
let verbose_bit_mask_threshold = conf.verbose_bit_mask_threshold;
store.register_late_pass(move || box bit_mask::BitMask::new(verbose_bit_mask_threshold));
store.register_late_pass(|| box ptr::Ptr);
store.register_late_pass(|| box needless_bool::NeedlessBool);
store.register_late_pass(|| box needless_bool::BoolComparison);
store.register_late_pass(|| box approx_const::ApproxConstant);
store.register_late_pass(|| box misc::MiscLints);
store.register_late_pass(|| box eta_reduction::EtaReduction);
store.register_late_pass(|| box identity_op::IdentityOp);
store.register_late_pass(|| box erasing_op::ErasingOp);
store.register_late_pass(|| box mut_mut::MutMut);
store.register_late_pass(|| box mut_reference::UnnecessaryMutPassed);
store.register_late_pass(|| box len_zero::LenZero);
store.register_late_pass(|| box attrs::Attributes);
store.register_late_pass(|| box block_in_if_condition::BlockInIfCondition);
store.register_late_pass(|| box unicode::Unicode);
store.register_late_pass(|| box strings::StringAdd);
store.register_late_pass(|| box implicit_return::ImplicitReturn);
store.register_late_pass(|| box methods::Methods);
store.register_late_pass(|| box map_clone::MapClone);
store.register_late_pass(|| box shadow::Shadow);
store.register_late_pass(|| box types::LetUnitValue);
store.register_late_pass(|| box types::UnitCmp);
store.register_late_pass(|| box loops::Loops);
store.register_late_pass(|| box main_recursion::MainRecursion::default());
store.register_late_pass(|| box lifetimes::Lifetimes);
store.register_late_pass(|| box entry::HashMapPass);
store.register_late_pass(|| box ranges::Ranges);
store.register_late_pass(|| box types::Casts);
let type_complexity_threshold = conf.type_complexity_threshold;
store.register_late_pass(move || box types::TypeComplexity::new(type_complexity_threshold));
store.register_late_pass(|| box matches::Matches);
store.register_late_pass(|| box minmax::MinMaxPass);
store.register_late_pass(|| box open_options::OpenOptions);
store.register_late_pass(|| box zero_div_zero::ZeroDiv);
store.register_late_pass(|| box mutex_atomic::Mutex);
store.register_late_pass(|| box needless_update::NeedlessUpdate);
store.register_late_pass(|| box needless_borrow::NeedlessBorrow::default());
store.register_late_pass(|| box needless_borrowed_ref::NeedlessBorrowedRef);
store.register_late_pass(|| box no_effect::NoEffect);
store.register_late_pass(|| box temporary_assignment::TemporaryAssignment);
store.register_late_pass(|| box transmute::Transmute);
let cognitive_complexity_threshold = conf.cognitive_complexity_threshold;
store.register_late_pass(move || box cognitive_complexity::CognitiveComplexity::new(cognitive_complexity_threshold));
let too_large_for_stack = conf.too_large_for_stack;
store.register_late_pass(move || box escape::BoxedLocal{too_large_for_stack});
store.register_late_pass(|| box panic_unimplemented::PanicUnimplemented);
store.register_late_pass(|| box strings::StringLitAsBytes);
store.register_late_pass(|| box derive::Derive);
store.register_late_pass(|| box types::CharLitAsU8);
store.register_late_pass(|| box vec::UselessVec);
store.register_late_pass(|| box drop_bounds::DropBounds);
store.register_late_pass(|| box get_last_with_len::GetLastWithLen);
store.register_late_pass(|| box drop_forget_ref::DropForgetRef);
store.register_late_pass(|| box empty_enum::EmptyEnum);
store.register_late_pass(|| box types::AbsurdExtremeComparisons);
store.register_late_pass(|| box types::InvalidUpcastComparisons);
store.register_late_pass(|| box regex::Regex::default());
store.register_late_pass(|| box copies::CopyAndPaste);
store.register_late_pass(|| box copy_iterator::CopyIterator);
store.register_late_pass(|| box format::UselessFormat);
store.register_late_pass(|| box swap::Swap);
store.register_late_pass(|| box overflow_check_conditional::OverflowCheckConditional);
store.register_late_pass(|| box unused_label::UnusedLabel);
store.register_late_pass(|| box new_without_default::NewWithoutDefault::default());
let blacklisted_names = conf.blacklisted_names.iter().cloned().collect::<FxHashSet<_>>();
store.register_late_pass(move || box blacklisted_name::BlacklistedName::new(blacklisted_names.clone()));
let too_many_arguments_threshold1 = conf.too_many_arguments_threshold;
let too_many_lines_threshold2 = conf.too_many_lines_threshold;
store.register_late_pass(move || box functions::Functions::new(too_many_arguments_threshold1, too_many_lines_threshold2));
let doc_valid_idents = conf.doc_valid_idents.iter().cloned().collect::<FxHashSet<_>>();
store.register_late_pass(move || box doc::DocMarkdown::new(doc_valid_idents.clone()));
store.register_late_pass(|| box neg_multiply::NegMultiply);
store.register_late_pass(|| box mem_discriminant::MemDiscriminant);
store.register_late_pass(|| box mem_forget::MemForget);
store.register_late_pass(|| box mem_replace::MemReplace);
store.register_late_pass(|| box arithmetic::Arithmetic::default());
store.register_late_pass(|| box assign_ops::AssignOps);
store.register_late_pass(|| box let_if_seq::LetIfSeq);
store.register_late_pass(|| box eval_order_dependence::EvalOrderDependence);
store.register_late_pass(|| box missing_doc::MissingDoc::new());
store.register_late_pass(|| box missing_inline::MissingInline);
store.register_late_pass(|| box ok_if_let::OkIfLet);
store.register_late_pass(|| box redundant_pattern_matching::RedundantPatternMatching);
store.register_late_pass(|| box partialeq_ne_impl::PartialEqNeImpl);
store.register_late_pass(|| box unused_io_amount::UnusedIoAmount);
let enum_variant_size_threshold = conf.enum_variant_size_threshold;
store.register_late_pass(move || box large_enum_variant::LargeEnumVariant::new(enum_variant_size_threshold));
store.register_late_pass(|| box explicit_write::ExplicitWrite);
store.register_late_pass(|| box needless_pass_by_value::NeedlessPassByValue);
let trivially_copy_pass_by_ref = trivially_copy_pass_by_ref::TriviallyCopyPassByRef::new(
conf.trivial_copy_size_limit,
&sess.target,
);
store.register_late_pass(move || box trivially_copy_pass_by_ref);
store.register_late_pass(|| box try_err::TryErr);
store.register_late_pass(|| box use_self::UseSelf);
store.register_late_pass(|| box bytecount::ByteCount);
store.register_late_pass(|| box infinite_iter::InfiniteIter);
store.register_late_pass(|| box inline_fn_without_body::InlineFnWithoutBody);
store.register_late_pass(|| box identity_conversion::IdentityConversion::default());
store.register_late_pass(|| box types::ImplicitHasher);
store.register_late_pass(|| box fallible_impl_from::FallibleImplFrom);
store.register_late_pass(|| box replace_consts::ReplaceConsts);
store.register_late_pass(|| box types::UnitArg);
store.register_late_pass(|| box double_comparison::DoubleComparisons);
store.register_late_pass(|| box question_mark::QuestionMark);
store.register_late_pass(|| box suspicious_trait_impl::SuspiciousImpl);
store.register_late_pass(|| box map_unit_fn::MapUnit);
store.register_late_pass(|| box infallible_destructuring_match::InfallibleDestructingMatch);
store.register_late_pass(|| box inherent_impl::MultipleInherentImpl::default());
store.register_late_pass(|| box neg_cmp_op_on_partial_ord::NoNegCompOpForPartialOrd);
store.register_late_pass(|| box unwrap::Unwrap);
store.register_late_pass(|| box duration_subsec::DurationSubsec);
store.register_late_pass(|| box default_trait_access::DefaultTraitAccess);
store.register_late_pass(|| box indexing_slicing::IndexingSlicing);
store.register_late_pass(|| box non_copy_const::NonCopyConst);
store.register_late_pass(|| box ptr_offset_with_cast::PtrOffsetWithCast);
store.register_late_pass(|| box redundant_clone::RedundantClone);
store.register_late_pass(|| box slow_vector_initialization::SlowVectorInit);
store.register_late_pass(|| box types::RefToMut);
store.register_late_pass(|| box assertions_on_constants::AssertionsOnConstants);
store.register_late_pass(|| box missing_const_for_fn::MissingConstForFn);
store.register_late_pass(|| box transmuting_null::TransmutingNull);
store.register_late_pass(|| box path_buf_push_overwrite::PathBufPushOverwrite);
store.register_late_pass(|| box checked_conversions::CheckedConversions);
store.register_late_pass(|| box integer_division::IntegerDivision);
store.register_late_pass(|| box inherent_to_string::InherentToString);
store.register_late_pass(|| box trait_bounds::TraitBounds);
store.register_late_pass(|| box comparison_chain::ComparisonChain);
store.register_late_pass(|| box mul_add::MulAddCheck);
store.register_early_pass(|| box reference::DerefAddrOf);
store.register_early_pass(|| box reference::RefInDeref);
store.register_early_pass(|| box double_parens::DoubleParens);
store.register_early_pass(|| box unsafe_removed_from_name::UnsafeNameRemoval);
store.register_early_pass(|| box if_not_else::IfNotElse);
store.register_early_pass(|| box else_if_without_else::ElseIfWithoutElse);
store.register_early_pass(|| box int_plus_one::IntPlusOne);
store.register_early_pass(|| box formatting::Formatting);
store.register_early_pass(|| box misc_early::MiscEarlyLints);
store.register_early_pass(|| box returns::Return);
store.register_early_pass(|| box collapsible_if::CollapsibleIf);
store.register_early_pass(|| box items_after_statements::ItemsAfterStatements);
store.register_early_pass(|| box precedence::Precedence);
store.register_early_pass(|| box needless_continue::NeedlessContinue);
store.register_early_pass(|| box redundant_static_lifetimes::RedundantStaticLifetimes);
store.register_early_pass(|| box cargo_common_metadata::CargoCommonMetadata);
store.register_early_pass(|| box multiple_crate_versions::MultipleCrateVersions);
store.register_early_pass(|| box wildcard_dependencies::WildcardDependencies);
store.register_early_pass(|| box literal_representation::LiteralDigitGrouping);
let literal_representation_threshold = conf.literal_representation_threshold;
store.register_early_pass(move || box literal_representation::DecimalLiteralRepresentation::new(literal_representation_threshold));
store.register_early_pass(|| box utils::internal_lints::ClippyLintsInternal);
let enum_variant_name_threshold = conf.enum_variant_name_threshold;
store.register_early_pass(move || box enum_variants::EnumVariantNames::new(enum_variant_name_threshold));
store.register_late_pass(|| box unused_self::UnusedSelf);
store.register_late_pass(|| box mutable_debug_assertion::DebugAssertWithMutCall);
store.register_group(true, "clippy::restriction", Some("clippy_restriction"), vec![
LintId::of(&arithmetic::FLOAT_ARITHMETIC),
LintId::of(&arithmetic::INTEGER_ARITHMETIC),
LintId::of(&dbg_macro::DBG_MACRO),
LintId::of(&else_if_without_else::ELSE_IF_WITHOUT_ELSE),
LintId::of(&implicit_return::IMPLICIT_RETURN),
LintId::of(&indexing_slicing::INDEXING_SLICING),
LintId::of(&inherent_impl::MULTIPLE_INHERENT_IMPL),
LintId::of(&integer_division::INTEGER_DIVISION),
LintId::of(&literal_representation::DECIMAL_LITERAL_REPRESENTATION),
LintId::of(&matches::WILDCARD_ENUM_MATCH_ARM),
LintId::of(&mem_forget::MEM_FORGET),
LintId::of(&methods::CLONE_ON_REF_PTR),
LintId::of(&methods::GET_UNWRAP),
LintId::of(&methods::OPTION_EXPECT_USED),
LintId::of(&methods::OPTION_UNWRAP_USED),
LintId::of(&methods::RESULT_EXPECT_USED),
LintId::of(&methods::RESULT_UNWRAP_USED),
LintId::of(&methods::WRONG_PUB_SELF_CONVENTION),
LintId::of(&misc::FLOAT_CMP_CONST),
LintId::of(&missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS),
LintId::of(&missing_inline::MISSING_INLINE_IN_PUBLIC_ITEMS),
LintId::of(&panic_unimplemented::PANIC),
LintId::of(&panic_unimplemented::TODO),
LintId::of(&panic_unimplemented::UNIMPLEMENTED),
LintId::of(&panic_unimplemented::UNREACHABLE),
LintId::of(&shadow::SHADOW_REUSE),
LintId::of(&shadow::SHADOW_SAME),
LintId::of(&strings::STRING_ADD),
LintId::of(&write::PRINT_STDOUT),
LintId::of(&write::USE_DEBUG),
]);
store.register_group(true, "clippy::pedantic", Some("clippy_pedantic"), vec![
LintId::of(&attrs::INLINE_ALWAYS),
LintId::of(&checked_conversions::CHECKED_CONVERSIONS),
LintId::of(&copies::MATCH_SAME_ARMS),
LintId::of(©_iterator::COPY_ITERATOR),
LintId::of(&default_trait_access::DEFAULT_TRAIT_ACCESS),
LintId::of(&derive::EXPL_IMPL_CLONE_ON_COPY),
LintId::of(&doc::DOC_MARKDOWN),
LintId::of(&empty_enum::EMPTY_ENUM),
LintId::of(&enum_glob_use::ENUM_GLOB_USE),
LintId::of(&enum_variants::MODULE_NAME_REPETITIONS),
LintId::of(&enum_variants::PUB_ENUM_VARIANT_NAMES),
LintId::of(&eta_reduction::REDUNDANT_CLOSURE_FOR_METHOD_CALLS),
LintId::of(&functions::MUST_USE_CANDIDATE),
LintId::of(&functions::TOO_MANY_LINES),
LintId::of(&if_not_else::IF_NOT_ELSE),
LintId::of(&infinite_iter::MAYBE_INFINITE_ITER),
LintId::of(&items_after_statements::ITEMS_AFTER_STATEMENTS),
LintId::of(&literal_representation::LARGE_DIGIT_GROUPS),
LintId::of(&loops::EXPLICIT_INTO_ITER_LOOP),
LintId::of(&loops::EXPLICIT_ITER_LOOP),
LintId::of(&matches::SINGLE_MATCH_ELSE),
LintId::of(&methods::FILTER_MAP),
LintId::of(&methods::FILTER_MAP_NEXT),