bjoernager/rust
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Rework supertrait lint once again

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This commit is contained in:
Michael Goulet 2023-11-18 19:29:39 +00:00
parent 06d1afe518
commit 15fbcc3636
10 changed files with 125 additions and 25 deletions
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14
compiler/rustc_lint/src/lints.rs
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@ -10,7 +10,9 @@ use rustc_errors::{
};
use rustc_hir::def_id::DefId;
use rustc_macros::{LintDiagnostic, Subdiagnostic};
use rustc_middle::ty::{inhabitedness::InhabitedPredicate, Clause, Ty, TyCtxt};
use rustc_middle::ty::{
inhabitedness::InhabitedPredicate, Clause, PolyExistentialTraitRef, Ty, TyCtxt,
};
use rustc_session::parse::ParseSess;
use rustc_span::{edition::Edition, sym, symbol::Ident, Span, Symbol};
@ -556,13 +558,17 @@ pub enum BuiltinSpecialModuleNameUsed {
#[diag(lint_supertrait_as_deref_target)]
#[help]
pub struct SupertraitAsDerefTarget<'a> {
pub t: Ty<'a>,
pub self_ty: Ty<'a>,
pub supertrait_principal: PolyExistentialTraitRef<'a>,
pub target_principal: PolyExistentialTraitRef<'a>,
#[label]
pub label: Span,
#[subdiagnostic]
pub label: Option<SupertraitAsDerefTargetLabel>,
pub label2: Option<SupertraitAsDerefTargetLabel>,
}
#[derive(Subdiagnostic)]
#[label(lint_label)]
#[label(lint_label2)]
pub struct SupertraitAsDerefTargetLabel {
#[primary_span]
pub label: Span,