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use rustc_errors::{IntoDiagnosticArg, MultiSpan};
use rustc_macros::{LintDiagnostic, SessionDiagnostic, SessionSubdiagnostic};
use rustc_middle::ty::Ty;
use rustc_span::Span;
use crate::diagnostics::RegionName;
#[derive(SessionDiagnostic)]
#[diag(borrowck::move_unsized, code = "E0161")]
pub(crate) struct MoveUnsized<'tcx> {
pub ty: Ty<'tcx>,
#[primary_span]
#[label]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(borrowck::higher_ranked_lifetime_error)]
pub(crate) struct HigherRankedLifetimeError {
#[subdiagnostic]
pub cause: Option<HigherRankedErrorCause>,
#[primary_span]
pub span: Span,
}
#[derive(SessionSubdiagnostic)]
pub(crate) enum HigherRankedErrorCause {
#[note(borrowck::could_not_prove)]
CouldNotProve { predicate: String },
#[note(borrowck::could_not_normalize)]
CouldNotNormalize { value: String },
}
#[derive(SessionDiagnostic)]
#[diag(borrowck::higher_ranked_subtype_error)]
pub(crate) struct HigherRankedSubtypeError {
#[primary_span]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(borrowck::generic_does_not_live_long_enough)]
pub(crate) struct GenericDoesNotLiveLongEnough {
pub kind: String,
#[primary_span]
pub span: Span,
}
#[derive(LintDiagnostic)]
#[diag(borrowck::var_does_not_need_mut)]
pub(crate) struct VarNeedNotMut {
#[suggestion_short(applicability = "machine-applicable", code = "")]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(borrowck::const_not_used_in_type_alias)]
pub(crate) struct ConstNotUsedTraitAlias {
pub ct: String,
#[primary_span]
pub span: Span,
}
#[derive(SessionDiagnostic)]
#[diag(borrowck::var_cannot_escape_closure)]
#[note]
#[note(borrowck::cannot_escape)]
pub(crate) struct FnMutError {
#[primary_span]
pub span: Span,
#[subdiagnostic]
pub ty_err: FnMutReturnTypeErr,
}
#[derive(SessionSubdiagnostic)]
pub(crate) enum VarHereDenote {
#[label(borrowck::var_here_captured)]
Captured {
#[primary_span]
span: Span,
},
#[label(borrowck::var_here_defined)]
Defined {
#[primary_span]
span: Span,
},
#[label(borrowck::closure_inferred_mut)]
FnMutInferred {
#[primary_span]
span: Span,
},
}
#[derive(SessionSubdiagnostic)]
pub(crate) enum FnMutReturnTypeErr {
#[label(borrowck::returned_closure_escaped)]
ReturnClosure {
#[primary_span]
span: Span,
},
#[label(borrowck::returned_async_block_escaped)]
ReturnAsyncBlock {
#[primary_span]
span: Span,
},
#[label(borrowck::returned_ref_escaped)]
ReturnRef {
#[primary_span]
span: Span,
},
}
#[derive(SessionDiagnostic)]
#[diag(borrowck::lifetime_constraints_error)]
pub(crate) struct LifetimeOutliveErr {
#[primary_span]
pub span: Span,
}
#[derive(SessionSubdiagnostic)]
pub(crate) enum LifetimeReturnCategoryErr<'a> {
#[label(borrowck::returned_lifetime_wrong)]
WrongReturn {
#[primary_span]
span: Span,
mir_def_name: &'a str,
outlived_fr_name: RegionName,
fr_name: &'a RegionName,
},
#[label(borrowck::returned_lifetime_short)]
ShortReturn {
#[primary_span]
span: Span,
category_desc: &'static str,
free_region_name: &'a RegionName,
outlived_fr_name: RegionName,
},
}
impl IntoDiagnosticArg for &RegionName {
fn into_diagnostic_arg(self) -> rustc_errors::DiagnosticArgValue<'static> {
format!("{}", self).into_diagnostic_arg()
}
}
impl IntoDiagnosticArg for RegionName {
fn into_diagnostic_arg(self) -> rustc_errors::DiagnosticArgValue<'static> {
format!("{}", self).into_diagnostic_arg()
}
}
#[derive(SessionSubdiagnostic)]
pub(crate) enum RequireStaticErr {
#[note(borrowck::used_impl_require_static)]
UsedImpl {
#[primary_span]
multi_span: MultiSpan,
},
}
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