[rustc.git] / compiler / rustc_lint / src / passes.rs

use crate::context::{EarlyContext, LateContext};

use rustc_ast as ast;
use rustc_data_structures::sync;
use rustc_hir as hir;
use rustc_session::lint::builtin::HardwiredLints;
use rustc_session::lint::LintPass;
use rustc_span::symbol::{Ident, Symbol};
use rustc_span::Span;

#[macro_export]
macro_rules! late_lint_methods {
    ($macro:path, $args:tt, [$hir:tt]) => (
        $macro!($args, [$hir], [
            fn check_param(a: &$hir hir::Param<$hir>);
            fn check_body(a: &$hir hir::Body<$hir>);
            fn check_body_post(a: &$hir hir::Body<$hir>);
            fn check_name(a: Span, b: Symbol);
            fn check_crate(a: &$hir hir::Crate<$hir>);
            fn check_crate_post(a: &$hir hir::Crate<$hir>);
            fn check_mod(a: &$hir hir::Mod<$hir>, b: Span, c: hir::HirId);
            fn check_mod_post(a: &$hir hir::Mod<$hir>, b: Span, c: hir::HirId);
            fn check_foreign_item(a: &$hir hir::ForeignItem<$hir>);
            fn check_foreign_item_post(a: &$hir hir::ForeignItem<$hir>);
            fn check_item(a: &$hir hir::Item<$hir>);
            fn check_item_post(a: &$hir hir::Item<$hir>);
            fn check_local(a: &$hir hir::Local<$hir>);
            fn check_block(a: &$hir hir::Block<$hir>);
            fn check_block_post(a: &$hir hir::Block<$hir>);
            fn check_stmt(a: &$hir hir::Stmt<$hir>);
            fn check_arm(a: &$hir hir::Arm<$hir>);
            fn check_pat(a: &$hir hir::Pat<$hir>);
            fn check_expr(a: &$hir hir::Expr<$hir>);
            fn check_expr_post(a: &$hir hir::Expr<$hir>);
            fn check_ty(a: &$hir hir::Ty<$hir>);
            fn check_generic_arg(a: &$hir hir::GenericArg<$hir>);
            fn check_generic_param(a: &$hir hir::GenericParam<$hir>);
            fn check_generics(a: &$hir hir::Generics<$hir>);
            fn check_where_predicate(a: &$hir hir::WherePredicate<$hir>);
            fn check_poly_trait_ref(a: &$hir hir::PolyTraitRef<$hir>, b: hir::TraitBoundModifier);
            fn check_fn(
                a: rustc_hir::intravisit::FnKind<$hir>,
                b: &$hir hir::FnDecl<$hir>,
                c: &$hir hir::Body<$hir>,
                d: Span,
                e: hir::HirId);
            fn check_fn_post(
                a: rustc_hir::intravisit::FnKind<$hir>,
                b: &$hir hir::FnDecl<$hir>,
                c: &$hir hir::Body<$hir>,
                d: Span,
                e: hir::HirId
            );
            fn check_trait_item(a: &$hir hir::TraitItem<$hir>);
            fn check_trait_item_post(a: &$hir hir::TraitItem<$hir>);
            fn check_impl_item(a: &$hir hir::ImplItem<$hir>);
            fn check_impl_item_post(a: &$hir hir::ImplItem<$hir>);
            fn check_struct_def(a: &$hir hir::VariantData<$hir>);
            fn check_struct_def_post(a: &$hir hir::VariantData<$hir>);
            fn check_field_def(a: &$hir hir::FieldDef<$hir>);
            fn check_variant(a: &$hir hir::Variant<$hir>);
            fn check_variant_post(a: &$hir hir::Variant<$hir>);
            fn check_lifetime(a: &$hir hir::Lifetime);
            fn check_path(a: &$hir hir::Path<$hir>, b: hir::HirId);
            fn check_attribute(a: &$hir ast::Attribute);

            /// Called when entering a syntax node that can have lint attributes such
            /// as `#[allow(...)]`. Called with *all* the attributes of that node.
            fn enter_lint_attrs(a: &$hir [ast::Attribute]);

            /// Counterpart to `enter_lint_attrs`.
            fn exit_lint_attrs(a: &$hir [ast::Attribute]);
        ]);
    )
}

/// Trait for types providing lint checks.
///
/// Each `check` method checks a single syntax node, and should not
/// invoke methods recursively (unlike `Visitor`). By default they
/// do nothing.
//
// FIXME: eliminate the duplication with `Visitor`. But this also
// contains a few lint-specific methods with no equivalent in `Visitor`.

macro_rules! expand_lint_pass_methods {
    ($context:ty, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),*);)*]) => (
        $(#[inline(always)] fn $name(&mut self, _: $context, $(_: $arg),*) {})*
    )
}

macro_rules! declare_late_lint_pass {
    ([], [$hir:tt], [$($methods:tt)*]) => (
        pub trait LateLintPass<$hir>: LintPass {
            expand_lint_pass_methods!(&LateContext<$hir>, [$($methods)*]);
        }
    )
}

late_lint_methods!(declare_late_lint_pass, [], ['tcx]);

impl LateLintPass<'_> for HardwiredLints {}

#[macro_export]
macro_rules! expand_combined_late_lint_pass_method {
    ([$($passes:ident),*], $self: ident, $name: ident, $params:tt) => ({
        $($self.$passes.$name $params;)*
    })
}

#[macro_export]
macro_rules! expand_combined_late_lint_pass_methods {
    ($passes:tt, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),*);)*]) => (
        $(fn $name(&mut self, context: &LateContext<'tcx>, $($param: $arg),*) {
            expand_combined_late_lint_pass_method!($passes, self, $name, (context, $($param),*));
        })*
    )
}

#[macro_export]
macro_rules! declare_combined_late_lint_pass {
    ([$v:vis $name:ident, [$($passes:ident: $constructor:expr,)*]], [$hir:tt], $methods:tt) => (
        #[allow(non_snake_case)]
        $v struct $name {
            $($passes: $passes,)*
        }

        impl $name {
            $v fn new() -> Self {
                Self {
                    $($passes: $constructor,)*
                }
            }

            $v fn get_lints() -> LintArray {
                let mut lints = Vec::new();
                $(lints.extend_from_slice(&$passes::get_lints());)*
                lints
            }
        }

        impl<'tcx> LateLintPass<'tcx> for $name {
            expand_combined_late_lint_pass_methods!([$($passes),*], $methods);
        }

        #[allow(rustc::lint_pass_impl_without_macro)]
        impl LintPass for $name {
            fn name(&self) -> &'static str {
                panic!()
            }
        }
    )
}

#[macro_export]
macro_rules! early_lint_methods {
    ($macro:path, $args:tt) => (
        $macro!($args, [
            fn check_param(a: &ast::Param);
            fn check_ident(a: Ident);
            fn check_crate(a: &ast::Crate);
            fn check_crate_post(a: &ast::Crate);
            fn check_foreign_item(a: &ast::ForeignItem);
            fn check_foreign_item_post(a: &ast::ForeignItem);
            fn check_item(a: &ast::Item);
            fn check_item_post(a: &ast::Item);
            fn check_local(a: &ast::Local);
            fn check_block(a: &ast::Block);
            fn check_block_post(a: &ast::Block);
            fn check_stmt(a: &ast::Stmt);
            fn check_arm(a: &ast::Arm);
            fn check_pat(a: &ast::Pat);
            fn check_anon_const(a: &ast::AnonConst);
            fn check_pat_post(a: &ast::Pat);
            fn check_expr(a: &ast::Expr);
            fn check_expr_post(a: &ast::Expr);
            fn check_ty(a: &ast::Ty);
            fn check_generic_arg(a: &ast::GenericArg);
            fn check_generic_param(a: &ast::GenericParam);
            fn check_generics(a: &ast::Generics);
            fn check_where_predicate(a: &ast::WherePredicate);
            fn check_poly_trait_ref(a: &ast::PolyTraitRef,
                                    b: &ast::TraitBoundModifier);
            fn check_fn(a: rustc_ast::visit::FnKind<'_>, c: Span, d_: ast::NodeId);
            fn check_fn_post(
                a: rustc_ast::visit::FnKind<'_>,
                c: Span,
                d: ast::NodeId
            );
            fn check_trait_item(a: &ast::AssocItem);
            fn check_trait_item_post(a: &ast::AssocItem);
            fn check_impl_item(a: &ast::AssocItem);
            fn check_impl_item_post(a: &ast::AssocItem);
            fn check_struct_def(a: &ast::VariantData);
            fn check_struct_def_post(a: &ast::VariantData);
            fn check_field_def(a: &ast::FieldDef);
            fn check_variant(a: &ast::Variant);
            fn check_variant_post(a: &ast::Variant);
            fn check_lifetime(a: &ast::Lifetime);
            fn check_path(a: &ast::Path, b: ast::NodeId);
            fn check_attribute(a: &ast::Attribute);
            fn check_mac_def(a: &ast::MacroDef, b: ast::NodeId);
            fn check_mac(a: &ast::MacCall);

            /// Called when entering a syntax node that can have lint attributes such
            /// as `#[allow(...)]`. Called with *all* the attributes of that node.
            fn enter_lint_attrs(a: &[ast::Attribute]);

            /// Counterpart to `enter_lint_attrs`.
            fn exit_lint_attrs(a: &[ast::Attribute]);
        ]);
    )
}

macro_rules! expand_early_lint_pass_methods {
    ($context:ty, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),*);)*]) => (
        $(#[inline(always)] fn $name(&mut self, _: $context, $(_: $arg),*) {})*
    )
}

macro_rules! declare_early_lint_pass {
    ([], [$($methods:tt)*]) => (
        pub trait EarlyLintPass: LintPass {
            expand_early_lint_pass_methods!(&EarlyContext<'_>, [$($methods)*]);
        }
    )
}

early_lint_methods!(declare_early_lint_pass, []);

#[macro_export]
macro_rules! expand_combined_early_lint_pass_method {
    ([$($passes:ident),*], $self: ident, $name: ident, $params:tt) => ({
        $($self.$passes.$name $params;)*
    })
}

#[macro_export]
macro_rules! expand_combined_early_lint_pass_methods {
    ($passes:tt, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),*);)*]) => (
        $(fn $name(&mut self, context: &EarlyContext<'_>, $($param: $arg),*) {
            expand_combined_early_lint_pass_method!($passes, self, $name, (context, $($param),*));
        })*
    )
}

#[macro_export]
macro_rules! declare_combined_early_lint_pass {
    ([$v:vis $name:ident, [$($passes:ident: $constructor:expr,)*]], $methods:tt) => (
        #[allow(non_snake_case)]
        $v struct $name {
            $($passes: $passes,)*
        }

        impl $name {
            $v fn new() -> Self {
                Self {
                    $($passes: $constructor,)*
                }
            }

            $v fn get_lints() -> LintArray {
                let mut lints = Vec::new();
                $(lints.extend_from_slice(&$passes::get_lints());)*
                lints
            }
        }

        impl EarlyLintPass for $name {
            expand_combined_early_lint_pass_methods!([$($passes),*], $methods);
        }

        #[allow(rustc::lint_pass_impl_without_macro)]
        impl LintPass for $name {
            fn name(&self) -> &'static str {
                panic!()
            }
        }
    )
}

/// A lint pass boxed up as a trait object.
pub type EarlyLintPassObject = Box<dyn EarlyLintPass + sync::Send + sync::Sync + 'static>;
pub type LateLintPassObject =
    Box<dyn for<'tcx> LateLintPass<'tcx> + sync::Send + sync::Sync + 'static>;
Commit	Line	Data
dfeec247 XL	1	use crate::context::{EarlyContext, LateContext};
dfeec247 XL	2
3dfed10e	3	use rustc_ast as ast;
dfeec247 XL	4	use rustc_data_structures::sync;
	5	use rustc_hir as hir;
	6	use rustc_session::lint::builtin::HardwiredLints;
	7	use rustc_session::lint::LintPass;
f9f354fc	8	use rustc_span::symbol::{Ident, Symbol};
dfeec247	9	use rustc_span::Span;
dfeec247 XL	10
	11	#[macro_export]
	12	macro_rules! late_lint_methods {
	13	($macro:path, $args:tt, [$hir:tt]) => (
	14	$macro!($args, [$hir], [
	15	fn check_param(a: &$hir hir::Param<$hir>);
	16	fn check_body(a: &$hir hir::Body<$hir>);
	17	fn check_body_post(a: &$hir hir::Body<$hir>);
f9f354fc	18	fn check_name(a: Span, b: Symbol);
dfeec247 XL	19	fn check_crate(a: &$hir hir::Crate<$hir>);
	20	fn check_crate_post(a: &$hir hir::Crate<$hir>);
	21	fn check_mod(a: &$hir hir::Mod<$hir>, b: Span, c: hir::HirId);
	22	fn check_mod_post(a: &$hir hir::Mod<$hir>, b: Span, c: hir::HirId);
	23	fn check_foreign_item(a: &$hir hir::ForeignItem<$hir>);
	24	fn check_foreign_item_post(a: &$hir hir::ForeignItem<$hir>);
	25	fn check_item(a: &$hir hir::Item<$hir>);
	26	fn check_item_post(a: &$hir hir::Item<$hir>);
	27	fn check_local(a: &$hir hir::Local<$hir>);
	28	fn check_block(a: &$hir hir::Block<$hir>);
	29	fn check_block_post(a: &$hir hir::Block<$hir>);
	30	fn check_stmt(a: &$hir hir::Stmt<$hir>);
	31	fn check_arm(a: &$hir hir::Arm<$hir>);
	32	fn check_pat(a: &$hir hir::Pat<$hir>);
	33	fn check_expr(a: &$hir hir::Expr<$hir>);
	34	fn check_expr_post(a: &$hir hir::Expr<$hir>);
	35	fn check_ty(a: &$hir hir::Ty<$hir>);
29967ef6	36	fn check_generic_arg(a: &$hir hir::GenericArg<$hir>);
dfeec247 XL	37	fn check_generic_param(a: &$hir hir::GenericParam<$hir>);
	38	fn check_generics(a: &$hir hir::Generics<$hir>);
	39	fn check_where_predicate(a: &$hir hir::WherePredicate<$hir>);
	40	fn check_poly_trait_ref(a: &$hir hir::PolyTraitRef<$hir>, b: hir::TraitBoundModifier);
	41	fn check_fn(
	42	a: rustc_hir::intravisit::FnKind<$hir>,
	43	b: &$hir hir::FnDecl<$hir>,
	44	c: &$hir hir::Body<$hir>,
	45	d: Span,
	46	e: hir::HirId);
	47	fn check_fn_post(
	48	a: rustc_hir::intravisit::FnKind<$hir>,
	49	b: &$hir hir::FnDecl<$hir>,
	50	c: &$hir hir::Body<$hir>,
	51	d: Span,
	52	e: hir::HirId
	53	);
	54	fn check_trait_item(a: &$hir hir::TraitItem<$hir>);
	55	fn check_trait_item_post(a: &$hir hir::TraitItem<$hir>);
	56	fn check_impl_item(a: &$hir hir::ImplItem<$hir>);
	57	fn check_impl_item_post(a: &$hir hir::ImplItem<$hir>);
	58	fn check_struct_def(a: &$hir hir::VariantData<$hir>);
	59	fn check_struct_def_post(a: &$hir hir::VariantData<$hir>);
6a06907d	60	fn check_field_def(a: &$hir hir::FieldDef<$hir>);
dfeec247 XL	61	fn check_variant(a: &$hir hir::Variant<$hir>);
	62	fn check_variant_post(a: &$hir hir::Variant<$hir>);
	63	fn check_lifetime(a: &$hir hir::Lifetime);
	64	fn check_path(a: &$hir hir::Path<$hir>, b: hir::HirId);
	65	fn check_attribute(a: &$hir ast::Attribute);
	66
	67	/// Called when entering a syntax node that can have lint attributes such
	68	/// as `#[allow(...)]`. Called with all the attributes of that node.
	69	fn enter_lint_attrs(a: &$hir [ast::Attribute]);
	70
	71	/// Counterpart to `enter_lint_attrs`.
	72	fn exit_lint_attrs(a: &$hir [ast::Attribute]);
	73	]);
	74	)
	75	}
	76
	77	/// Trait for types providing lint checks.
	78	///
	79	/// Each `check` method checks a single syntax node, and should not
	80	/// invoke methods recursively (unlike `Visitor`). By default they
	81	/// do nothing.
	82	//
	83	// FIXME: eliminate the duplication with `Visitor`. But this also
	84	// contains a few lint-specific methods with no equivalent in `Visitor`.
	85
	86	macro_rules! expand_lint_pass_methods {
	87	($context:ty, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),);)]) => (
	88	$(#[inline(always)] fn $name(&mut self, _: $context, $(_: $arg),) {})
	89	)
	90	}
	91
	92	macro_rules! declare_late_lint_pass {
	93	([], [$hir:tt], [$($methods:tt)*]) => (
f035d41b XL	94	pub trait LateLintPass<$hir>: LintPass {
f035d41b XL	95	expand_lint_pass_methods!(&LateContext<$hir>, [$($methods)*]);
dfeec247 XL	96	}
	97	)
	98	}
	99
	100	late_lint_methods!(declare_late_lint_pass, [], ['tcx]);
	101
f035d41b	102	impl LateLintPass<'_> for HardwiredLints {}
dfeec247 XL	103
	104	#[macro_export]
	105	macro_rules! expand_combined_late_lint_pass_method {
	106	([$($passes:ident),*], $self: ident, $name: ident, $params:tt) => ({
	107	$($self.$passes.$name $params;)*
	108	})
	109	}
	110
	111	#[macro_export]
	112	macro_rules! expand_combined_late_lint_pass_methods {
	113	($passes:tt, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),);)]) => (
f035d41b	114	$(fn $name(&mut self, context: &LateContext<'tcx>, $($param: $arg),*) {
dfeec247 XL	115	expand_combined_late_lint_pass_method!($passes, self, $name, (context, $($param),*));
	116	})*
	117	)
	118	}
	119
	120	#[macro_export]
	121	macro_rules! declare_combined_late_lint_pass {
	122	([$v:vis $name:ident, [$($passes:ident: $constructor:expr,)*]], [$hir:tt], $methods:tt) => (
	123	#[allow(non_snake_case)]
	124	$v struct $name {
	125	$($passes: $passes,)*
	126	}
	127
	128	impl $name {
	129	$v fn new() -> Self {
	130	Self {
	131	$($passes: $constructor,)*
	132	}
	133	}
	134
	135	$v fn get_lints() -> LintArray {
	136	let mut lints = Vec::new();
	137	$(lints.extend_from_slice(&$passes::get_lints());)*
	138	lints
	139	}
	140	}
	141
f035d41b	142	impl<'tcx> LateLintPass<'tcx> for $name {
dfeec247 XL	143	expand_combined_late_lint_pass_methods!([$($passes),*], $methods);
	144	}
	145
	146	#[allow(rustc::lint_pass_impl_without_macro)]
	147	impl LintPass for $name {
	148	fn name(&self) -> &'static str {
	149	panic!()
	150	}
	151	}
	152	)
	153	}
	154
	155	#[macro_export]
	156	macro_rules! early_lint_methods {
	157	($macro:path, $args:tt) => (
	158	$macro!($args, [
	159	fn check_param(a: &ast::Param);
f9f354fc	160	fn check_ident(a: Ident);
dfeec247 XL	161	fn check_crate(a: &ast::Crate);
dfeec247 XL	162	fn check_crate_post(a: &ast::Crate);
dfeec247 XL	163	fn check_foreign_item(a: &ast::ForeignItem);
	164	fn check_foreign_item_post(a: &ast::ForeignItem);
	165	fn check_item(a: &ast::Item);
	166	fn check_item_post(a: &ast::Item);
	167	fn check_local(a: &ast::Local);
	168	fn check_block(a: &ast::Block);
	169	fn check_block_post(a: &ast::Block);
	170	fn check_stmt(a: &ast::Stmt);
	171	fn check_arm(a: &ast::Arm);
	172	fn check_pat(a: &ast::Pat);
ba9703b0	173	fn check_anon_const(a: &ast::AnonConst);
dfeec247 XL	174	fn check_pat_post(a: &ast::Pat);
	175	fn check_expr(a: &ast::Expr);
	176	fn check_expr_post(a: &ast::Expr);
	177	fn check_ty(a: &ast::Ty);
29967ef6	178	fn check_generic_arg(a: &ast::GenericArg);
dfeec247 XL	179	fn check_generic_param(a: &ast::GenericParam);
	180	fn check_generics(a: &ast::Generics);
	181	fn check_where_predicate(a: &ast::WherePredicate);
	182	fn check_poly_trait_ref(a: &ast::PolyTraitRef,
	183	b: &ast::TraitBoundModifier);
74b04a01	184	fn check_fn(a: rustc_ast::visit::FnKind<'_>, c: Span, d_: ast::NodeId);
dfeec247	185	fn check_fn_post(
74b04a01	186	a: rustc_ast::visit::FnKind<'_>,
dfeec247 XL	187	c: Span,
	188	d: ast::NodeId
	189	);
	190	fn check_trait_item(a: &ast::AssocItem);
	191	fn check_trait_item_post(a: &ast::AssocItem);
	192	fn check_impl_item(a: &ast::AssocItem);
	193	fn check_impl_item_post(a: &ast::AssocItem);
	194	fn check_struct_def(a: &ast::VariantData);
	195	fn check_struct_def_post(a: &ast::VariantData);
6a06907d	196	fn check_field_def(a: &ast::FieldDef);
dfeec247 XL	197	fn check_variant(a: &ast::Variant);
	198	fn check_variant_post(a: &ast::Variant);
	199	fn check_lifetime(a: &ast::Lifetime);
	200	fn check_path(a: &ast::Path, b: ast::NodeId);
	201	fn check_attribute(a: &ast::Attribute);
	202	fn check_mac_def(a: &ast::MacroDef, b: ast::NodeId);
ba9703b0	203	fn check_mac(a: &ast::MacCall);
dfeec247 XL	204
	205	/// Called when entering a syntax node that can have lint attributes such
	206	/// as `#[allow(...)]`. Called with all the attributes of that node.
	207	fn enter_lint_attrs(a: &[ast::Attribute]);
	208
	209	/// Counterpart to `enter_lint_attrs`.
	210	fn exit_lint_attrs(a: &[ast::Attribute]);
	211	]);
	212	)
	213	}
	214
	215	macro_rules! expand_early_lint_pass_methods {
	216	($context:ty, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),);)]) => (
	217	$(#[inline(always)] fn $name(&mut self, _: $context, $(_: $arg),) {})
	218	)
	219	}
	220
	221	macro_rules! declare_early_lint_pass {
	222	([], [$($methods:tt)*]) => (
	223	pub trait EarlyLintPass: LintPass {
	224	expand_early_lint_pass_methods!(&EarlyContext<'_>, [$($methods)*]);
	225	}
	226	)
	227	}
	228
	229	early_lint_methods!(declare_early_lint_pass, []);
	230
	231	#[macro_export]
	232	macro_rules! expand_combined_early_lint_pass_method {
	233	([$($passes:ident),*], $self: ident, $name: ident, $params:tt) => ({
	234	$($self.$passes.$name $params;)*
	235	})
	236	}
	237
	238	#[macro_export]
	239	macro_rules! expand_combined_early_lint_pass_methods {
	240	($passes:tt, [$($(#[$attr:meta])* fn $name:ident($($param:ident: $arg:ty),);)]) => (
	241	$(fn $name(&mut self, context: &EarlyContext<'_>, $($param: $arg),*) {
	242	expand_combined_early_lint_pass_method!($passes, self, $name, (context, $($param),*));
	243	})*
	244	)
	245	}
	246
	247	#[macro_export]
	248	macro_rules! declare_combined_early_lint_pass {
	249	([$v:vis $name:ident, [$($passes:ident: $constructor:expr,)*]], $methods:tt) => (
	250	#[allow(non_snake_case)]
	251	$v struct $name {
	252	$($passes: $passes,)*
	253	}
	254
	255	impl $name {
	256	$v fn new() -> Self {
	257	Self {
	258	$($passes: $constructor,)*
	259	}
	260	}
	261
	262	$v fn get_lints() -> LintArray {
	263	let mut lints = Vec::new();
	264	$(lints.extend_from_slice(&$passes::get_lints());)*
	265	lints
	266	}
	267	}
268
269	impl EarlyLintPass for $name {
270	expand_combined_early_lint_pass_methods!([$($passes),*], $methods);
271	}
272
273	#[allow(rustc::lint_pass_impl_without_macro)]
274	impl LintPass for $name {
275	fn name(&self) -> &'static str {
276	panic!()
277	}
278	}
279	)
280	}
281
282	/// A lint pass boxed up as a trait object.
283	pub type EarlyLintPassObject = Box<dyn EarlyLintPass + sync::Send + sync::Sync + 'static>;
284	pub type LateLintPassObject =
f035d41b	285	Box<dyn for<'tcx> LateLintPass<'tcx> + sync::Send + sync::Sync + 'static>;