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-rw-r--r--compiler/rustc_parse/src/errors.rs91
1 files changed, 40 insertions, 51 deletions
diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs
index dc03d6f9521..44b4e1a3e47 100644
--- a/compiler/rustc_parse/src/errors.rs
+++ b/compiler/rustc_parse/src/errors.rs
@@ -7,8 +7,7 @@ use rustc_ast::util::parser::ExprPrecedence;
 use rustc_ast::{Path, Visibility};
 use rustc_errors::codes::*;
 use rustc_errors::{
-    Applicability, Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level, SubdiagMessageOp,
-    Subdiagnostic,
+    Applicability, Diag, DiagCtxtHandle, Diagnostic, EmissionGuarantee, Level, Subdiagnostic,
 };
 use rustc_macros::{Diagnostic, Subdiagnostic};
 use rustc_session::errors::ExprParenthesesNeeded;
@@ -30,7 +29,6 @@ pub(crate) struct AmbiguousPlus {
 #[derive(Diagnostic)]
 #[diag(parse_maybe_recover_from_bad_type_plus, code = E0178)]
 pub(crate) struct BadTypePlus {
-    pub ty: String,
     #[primary_span]
     pub span: Span,
     #[subdiagnostic]
@@ -106,6 +104,19 @@ pub(crate) struct IncorrectUseOfAwait {
     pub span: Span,
 }
 
+#[derive(Diagnostic)]
+#[diag(parse_incorrect_use_of_use)]
+pub(crate) struct IncorrectUseOfUse {
+    #[primary_span]
+    #[suggestion(
+        parse_parentheses_suggestion,
+        style = "verbose",
+        code = "",
+        applicability = "machine-applicable"
+    )]
+    pub span: Span,
+}
+
 #[derive(Subdiagnostic)]
 #[multipart_suggestion(
     parse_incorrect_use_of_await_postfix_suggestion,
@@ -772,7 +783,6 @@ pub(crate) struct LabeledLoopInBreak {
 }
 
 #[derive(Subdiagnostic)]
-
 pub(crate) enum WrapInParentheses {
     #[multipart_suggestion(
         parse_sugg_wrap_expression_in_parentheses,
@@ -798,16 +808,16 @@ pub(crate) enum WrapInParentheses {
 
 #[derive(Diagnostic)]
 #[diag(parse_array_brackets_instead_of_braces)]
-pub(crate) struct ArrayBracketsInsteadOfSpaces {
+pub(crate) struct ArrayBracketsInsteadOfBraces {
     #[primary_span]
     pub span: Span,
     #[subdiagnostic]
-    pub sub: ArrayBracketsInsteadOfSpacesSugg,
+    pub sub: ArrayBracketsInsteadOfBracesSugg,
 }
 
 #[derive(Subdiagnostic)]
 #[multipart_suggestion(parse_suggestion, applicability = "maybe-incorrect")]
-pub(crate) struct ArrayBracketsInsteadOfSpacesSugg {
+pub(crate) struct ArrayBracketsInsteadOfBracesSugg {
     #[suggestion_part(code = "[")]
     pub left: Span,
     #[suggestion_part(code = "]")]
@@ -1025,7 +1035,7 @@ pub(crate) struct SuffixedLiteralInAttribute {
 pub(crate) struct InvalidMetaItem {
     #[primary_span]
     pub span: Span,
-    pub token: Token,
+    pub descr: String,
     #[subdiagnostic]
     pub quote_ident_sugg: Option<InvalidMetaItemQuoteIdentSugg>,
 }
@@ -1261,24 +1271,6 @@ pub(crate) struct StructLiteralBodyWithoutPathSugg {
 }
 
 #[derive(Diagnostic)]
-#[diag(parse_struct_literal_needing_parens)]
-pub(crate) struct StructLiteralNeedingParens {
-    #[primary_span]
-    pub span: Span,
-    #[subdiagnostic]
-    pub sugg: StructLiteralNeedingParensSugg,
-}
-
-#[derive(Subdiagnostic)]
-#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")]
-pub(crate) struct StructLiteralNeedingParensSugg {
-    #[suggestion_part(code = "(")]
-    pub before: Span,
-    #[suggestion_part(code = ")")]
-    pub after: Span,
-}
-
-#[derive(Diagnostic)]
 #[diag(parse_unmatched_angle_brackets)]
 pub(crate) struct UnmatchedAngleBrackets {
     #[primary_span]
@@ -1501,6 +1493,14 @@ pub(crate) struct AsyncMoveOrderIncorrect {
 }
 
 #[derive(Diagnostic)]
+#[diag(parse_async_use_order_incorrect)]
+pub(crate) struct AsyncUseOrderIncorrect {
+    #[primary_span]
+    #[suggestion(style = "verbose", code = "async use", applicability = "maybe-incorrect")]
+    pub span: Span,
+}
+
+#[derive(Diagnostic)]
 #[diag(parse_double_colon_in_bound)]
 pub(crate) struct DoubleColonInBound {
     #[primary_span]
@@ -1549,11 +1549,7 @@ pub(crate) struct FnTraitMissingParen {
 }
 
 impl Subdiagnostic for FnTraitMissingParen {
-    fn add_to_diag_with<G: EmissionGuarantee, F: SubdiagMessageOp<G>>(
-        self,
-        diag: &mut Diag<'_, G>,
-        _: &F,
-    ) {
+    fn add_to_diag<G: EmissionGuarantee>(self, diag: &mut Diag<'_, G>) {
         diag.span_label(self.span, crate::fluent_generated::parse_fn_trait_missing_paren);
         diag.span_suggestion_short(
             self.span.shrink_to_hi(),
@@ -1596,9 +1592,6 @@ pub(crate) struct PathSingleColon {
 
     #[suggestion(applicability = "machine-applicable", code = ":", style = "verbose")]
     pub suggestion: Span,
-
-    #[note(parse_type_ascription_removed)]
-    pub type_ascription: bool,
 }
 
 #[derive(Diagnostic)]
@@ -1615,9 +1608,6 @@ pub(crate) struct ColonAsSemi {
     #[primary_span]
     #[suggestion(applicability = "machine-applicable", code = ";", style = "verbose")]
     pub span: Span,
-
-    #[note(parse_type_ascription_removed)]
-    pub type_ascription: bool,
 }
 
 #[derive(Diagnostic)]
@@ -1669,6 +1659,13 @@ pub(crate) struct AsyncMoveBlockIn2015 {
 }
 
 #[derive(Diagnostic)]
+#[diag(parse_async_use_block_in_2015)]
+pub(crate) struct AsyncUseBlockIn2015 {
+    #[primary_span]
+    pub span: Span,
+}
+
+#[derive(Diagnostic)]
 #[diag(parse_async_bound_modifier_in_2015)]
 pub(crate) struct AsyncBoundModifierIn2015 {
     #[primary_span]
@@ -1687,10 +1684,10 @@ pub(crate) struct SelfArgumentPointer {
 
 #[derive(Diagnostic)]
 #[diag(parse_unexpected_token_after_dot)]
-pub(crate) struct UnexpectedTokenAfterDot<'a> {
+pub(crate) struct UnexpectedTokenAfterDot {
     #[primary_span]
     pub span: Span,
-    pub actual: Cow<'a, str>,
+    pub actual: String,
 }
 
 #[derive(Diagnostic)]
@@ -2760,17 +2757,6 @@ pub(crate) enum UnexpectedExpressionInPatternSugg {
         /// The statement's block's indentation.
         indentation: String,
     },
-
-    #[multipart_suggestion(
-        parse_unexpected_expr_in_pat_inline_const_sugg,
-        applicability = "maybe-incorrect"
-    )]
-    InlineConst {
-        #[suggestion_part(code = "const {{ ")]
-        start_span: Span,
-        #[suggestion_part(code = " }}")]
-        end_span: Span,
-    },
 }
 
 #[derive(Diagnostic)]
@@ -2808,6 +2794,8 @@ pub(crate) struct ReturnTypesUseThinArrow {
 pub(crate) struct NeedPlusAfterTraitObjectLifetime {
     #[primary_span]
     pub span: Span,
+    #[suggestion(code = " + /* Trait */", applicability = "has-placeholders")]
+    pub suggestion: Span,
 }
 
 #[derive(Diagnostic)]
@@ -2923,8 +2911,9 @@ pub(crate) struct AddBoxNew {
 #[diag(parse_bad_return_type_notation_output)]
 pub(crate) struct BadReturnTypeNotationOutput {
     #[primary_span]
-    #[suggestion(code = "", applicability = "maybe-incorrect", style = "verbose")]
     pub span: Span,
+    #[suggestion(code = "", applicability = "maybe-incorrect", style = "verbose")]
+    pub suggestion: Span,
 }
 
 #[derive(Diagnostic)]