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Remove Session methods that duplicate DiagCtxt methods.

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Also add some `dcx` methods to types that wrap `TyCtxt`, for easier
access.
This commit is contained in:
Nicholas Nethercote
2023-12-18 22:21:37 +11:00
parent d51db05d7e
commit 99472c7049
298 changed files with 1806 additions and 2064 deletions
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33
compiler/rustc_ast_lowering/src/expr.rs
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@@ -249,7 +249,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
self.lower_expr_range(e.span, e1.as_deref(), e2.as_deref(), *lims)
}
ExprKind::Underscore => {
let guar = self.tcx.sess.emit_err(UnderscoreExprLhsAssign { span: e.span });
let guar = self.dcx().emit_err(UnderscoreExprLhsAssign { span: e.span });
hir::ExprKind::Err(guar)
}
ExprKind::Path(qself, path) => {
@@ -294,8 +294,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
let rest = match &se.rest {
StructRest::Base(e) => Some(self.lower_expr(e)),
StructRest::Rest(sp) => {
let guar =
self.tcx.sess.emit_err(BaseExpressionDoubleDot { span: *sp });
let guar = self.dcx().emit_err(BaseExpressionDoubleDot { span: *sp });
Some(&*self.arena.alloc(self.expr_err(*sp, guar)))
}
StructRest::None => None,
@@ -332,9 +331,9 @@ impl<'hir> LoweringContext<'_, 'hir> {
|this| this.with_new_scopes(e.span, |this| this.lower_block_expr(block)),
),
ExprKind::Yield(opt_expr) => self.lower_expr_yield(e.span, opt_expr.as_deref()),
ExprKind::Err => hir::ExprKind::Err(
self.tcx.sess.span_delayed_bug(e.span, "lowered ExprKind::Err"),
),
ExprKind::Err => {
hir::ExprKind::Err(self.dcx().span_delayed_bug(e.span, "lowered ExprKind::Err"))
}
ExprKind::Try(sub_expr) => self.lower_expr_try(e.span, sub_expr),
ExprKind::Paren(_) | ExprKind::ForLoop { .. } => {
@@ -584,13 +583,13 @@ impl<'hir> LoweringContext<'_, 'hir> {
if self.tcx.features().never_patterns {
// If the feature is off we already emitted the error after parsing.
let suggestion = span.shrink_to_hi();
self.tcx.sess.emit_err(MatchArmWithNoBody { span, suggestion });
self.dcx().emit_err(MatchArmWithNoBody { span, suggestion });
}
} else if let Some(body) = &arm.body {
self.tcx.sess.emit_err(NeverPatternWithBody { span: body.span });
self.dcx().emit_err(NeverPatternWithBody { span: body.span });
guard = None;
} else if let Some(g) = &arm.guard {
self.tcx.sess.emit_err(NeverPatternWithGuard { span: g.span });
self.dcx().emit_err(NeverPatternWithGuard { span: g.span });
guard = None;
}
@@ -902,7 +901,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
Some(hir::CoroutineKind::Coroutine)
| Some(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::Gen, _))
| None => {
return hir::ExprKind::Err(self.tcx.sess.emit_err(AwaitOnlyInAsyncFnAndBlocks {
return hir::ExprKind::Err(self.dcx().emit_err(AwaitOnlyInAsyncFnAndBlocks {
await_kw_span,
item_span: self.current_item,
}));
@@ -1129,7 +1128,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
match coroutine_kind {
Some(hir::CoroutineKind::Coroutine) => {
if decl.inputs.len() > 1 {
self.tcx.sess.emit_err(CoroutineTooManyParameters { fn_decl_span });
self.dcx().emit_err(CoroutineTooManyParameters { fn_decl_span });
}
Some(movability)
}
@@ -1142,7 +1141,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
}
None => {
if movability == Movability::Static {
self.tcx.sess.emit_err(ClosureCannotBeStatic { fn_decl_span });
self.dcx().emit_err(ClosureCannotBeStatic { fn_decl_span });
}
None
}
@@ -1181,7 +1180,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
};
if let &ClosureBinder::For { span, .. } = binder {
self.tcx.sess.emit_err(NotSupportedForLifetimeBinderAsyncClosure { span });
self.dcx().emit_err(NotSupportedForLifetimeBinderAsyncClosure { span });
}
let (binder_clause, generic_params) = self.lower_closure_binder(binder);
@@ -1192,7 +1191,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
let body = self.with_new_scopes(fn_decl_span, |this| {
// FIXME(cramertj): allow `async` non-`move` closures with arguments.
if capture_clause == CaptureBy::Ref && !decl.inputs.is_empty() {
this.tcx.sess.emit_err(AsyncNonMoveClosureNotSupported { fn_decl_span });
this.dcx().emit_err(AsyncNonMoveClosureNotSupported { fn_decl_span });
}
// Transform `async |x: u8| -> X { ... }` into
@@ -1448,7 +1447,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
);
let fields_omitted = match &se.rest {
StructRest::Base(e) => {
self.tcx.sess.emit_err(FunctionalRecordUpdateDestructuringAssignment {
self.dcx().emit_err(FunctionalRecordUpdateDestructuringAssignment {
span: e.span,
});
true
@@ -1544,7 +1543,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
(None, Some(..), Closed) => hir::LangItem::RangeToInclusive,
(Some(..), Some(..), Closed) => unreachable!(),
(start, None, Closed) => {
self.tcx.sess.emit_err(InclusiveRangeWithNoEnd { span });
self.dcx().emit_err(InclusiveRangeWithNoEnd { span });
match start {
Some(..) => hir::LangItem::RangeFrom,
None => hir::LangItem::RangeFull,
@@ -1653,7 +1652,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
Some(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::AsyncGen, _)) => true,
Some(hir::CoroutineKind::Desugared(hir::CoroutineDesugaring::Async, _)) => {
return hir::ExprKind::Err(
self.tcx.sess.emit_err(AsyncCoroutinesNotSupported { span }),
self.dcx().emit_err(AsyncCoroutinesNotSupported { span }),
);
}
Some(hir::CoroutineKind::Coroutine) | None => {