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Rename any_parent_is_automatically_derived to in_automatically_derived. Only check for the attribute on an impl block.

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This commit is contained in:
Jason Newcomb 2024-06-09 15:46:39 -04:00
parent 3ed690f07a
commit d8fb164a7c
4 changed files with 25 additions and 14 deletions
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19
clippy_utils/src/lib.rs
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@ -103,8 +103,9 @@ use rustc_hir::LangItem::{OptionNone, OptionSome, ResultErr, ResultOk};
use rustc_hir::{
self as hir, def, Arm, ArrayLen, BindingMode, Block, BlockCheckMode, Body, ByRef, Closure, ConstContext,
Destination, Expr, ExprField, ExprKind, FnDecl, FnRetTy, GenericArgs, HirId, Impl, ImplItem, ImplItemKind,
ImplItemRef, Item, ItemKind, LangItem, LetStmt, MatchSource, Mutability, Node, OwnerId, Param, Pat, PatKind, Path,
PathSegment, PrimTy, QPath, Stmt, StmtKind, TraitItem, TraitItemKind, TraitItemRef, TraitRef, TyKind, UnOp,
ImplItemRef, Item, ItemKind, LangItem, LetStmt, MatchSource, Mutability, Node, OwnerId, OwnerNode, Param, Pat,
PatKind, Path, PathSegment, PrimTy, QPath, Stmt, StmtKind, TraitItem, TraitItemKind, TraitItemRef, TraitRef,
TyKind, UnOp,
};
use rustc_lexer::{tokenize, TokenKind};
use rustc_lint::{LateContext, Level, Lint, LintContext};
@ -1924,8 +1925,18 @@ pub fn any_parent_has_attr(tcx: TyCtxt<'_>, node: HirId, symbol: Symbol) -> bool
false
}
pub fn any_parent_is_automatically_derived(tcx: TyCtxt<'_>, node: HirId) -> bool {
any_parent_has_attr(tcx, node, sym::automatically_derived)
/// Checks if the given HIR node is inside an `impl` block with the `automatically_derived`
/// attribute.
pub fn in_automatically_derived(tcx: TyCtxt<'_>, id: HirId) -> bool {
tcx.hir()
.parent_owner_iter(id)
.filter(|(_, node)| matches!(node, OwnerNode::Item(item) if matches!(item.kind, ItemKind::Impl(_))))
.any(|(id, _)| {
has_attr(
tcx.hir().attrs(tcx.local_def_id_to_hir_id(id.def_id)),
sym::automatically_derived,
)
})
}
/// Matches a function call with the given path and returns the arguments.