Reduce pub exposure.

compiler/rustc_parse/src/parser/diagnostics.rs

@@ -130,14 +130,14 @@ pub enum AttemptLocalParseRecovery {
 }
 
 impl AttemptLocalParseRecovery {
-    pub fn yes(&self) -> bool {
+    pub(super) fn yes(&self) -> bool {
         match self {
             AttemptLocalParseRecovery::Yes => true,
             AttemptLocalParseRecovery::No => false,
         }
     }
 
-    pub fn no(&self) -> bool {
+    pub(super) fn no(&self) -> bool {
         match self {
             AttemptLocalParseRecovery::Yes => false,
             AttemptLocalParseRecovery::No => true,
@@ -891,7 +891,7 @@ impl<'a> Parser<'a> {
         }
     }
 
-    pub fn maybe_suggest_struct_literal(
+    pub(super) fn maybe_suggest_struct_literal(
         &mut self,
         lo: Span,
         s: BlockCheckMode,
@@ -2459,7 +2459,7 @@ impl<'a> Parser<'a> {
     /// Handle encountering a symbol in a generic argument list that is not a `,` or `>`. In this
     /// case, we emit an error and try to suggest enclosing a const argument in braces if it looks
     /// like the user has forgotten them.
-    pub fn handle_ambiguous_unbraced_const_arg(
+    pub(super) fn handle_ambiguous_unbraced_const_arg(
         &mut self,
         args: &mut ThinVec<AngleBracketedArg>,
     ) -> PResult<'a, bool> {
@@ -2500,7 +2500,7 @@ impl<'a> Parser<'a> {
     /// - Single-segment paths (i.e. standalone generic const parameters).
     /// All other expressions that can be parsed will emit an error suggesting the expression be
     /// wrapped in braces.
-    pub fn handle_unambiguous_unbraced_const_arg(&mut self) -> PResult<'a, P<Expr>> {
+    pub(super) fn handle_unambiguous_unbraced_const_arg(&mut self) -> PResult<'a, P<Expr>> {
         let start = self.token.span;
         let expr = self.parse_expr_res(Restrictions::CONST_EXPR, None).map_err(|mut err| {
             err.span_label(
@@ -2559,7 +2559,7 @@ impl<'a> Parser<'a> {
         Some(GenericArg::Const(AnonConst { id: ast::DUMMY_NODE_ID, value }))
     }
 
-    pub fn recover_const_param_declaration(
+    pub(super) fn recover_const_param_declaration(
         &mut self,
         ty_generics: Option<&Generics>,
     ) -> PResult<'a, Option<GenericArg>> {
@@ -2589,7 +2589,11 @@ impl<'a> Parser<'a> {
     /// When encountering code like `foo::< bar + 3 >` or `foo::< bar - baz >` we suggest
     /// `foo::<{ bar + 3 }>` and `foo::<{ bar - baz }>`, respectively. We only provide a suggestion
     /// if we think that the resulting expression would be well formed.
-    pub fn recover_const_arg(&mut self, start: Span, mut err: Diag<'a>) -> PResult<'a, GenericArg> {
+    pub(super) fn recover_const_arg(
+        &mut self,
+        start: Span,
+        mut err: Diag<'a>,
+    ) -> PResult<'a, GenericArg> {
         let is_op_or_dot = AssocOp::from_token(&self.token)
             .and_then(|op| {
                 if let AssocOp::Greater
@@ -2690,7 +2694,7 @@ impl<'a> Parser<'a> {
     }
 
     /// Creates a dummy const argument, and reports that the expression must be enclosed in braces
-    pub fn dummy_const_arg_needs_braces(&self, mut err: Diag<'a>, span: Span) -> GenericArg {
+    pub(super) fn dummy_const_arg_needs_braces(&self, mut err: Diag<'a>, span: Span) -> GenericArg {
         err.multipart_suggestion(
             "expressions must be enclosed in braces to be used as const generic \
              arguments",
@@ -2961,7 +2965,7 @@ impl<'a> Parser<'a> {
     /// * `=====`
     /// * `<<<<<`
     ///
-    pub fn is_vcs_conflict_marker(
+    pub(super) fn is_vcs_conflict_marker(
         &mut self,
         long_kind: &TokenKind,
         short_kind: &TokenKind,
@@ -2981,14 +2985,14 @@ impl<'a> Parser<'a> {
         None
     }
 
-    pub fn recover_vcs_conflict_marker(&mut self) {
+    pub(super) fn recover_vcs_conflict_marker(&mut self) {
         if let Err(err) = self.err_vcs_conflict_marker() {
             err.emit();
             FatalError.raise();
         }
     }
 
-    pub fn err_vcs_conflict_marker(&mut self) -> PResult<'a, ()> {
+    pub(crate) fn err_vcs_conflict_marker(&mut self) -> PResult<'a, ()> {
         let Some(start) = self.conflict_marker(&TokenKind::BinOp(token::Shl), &TokenKind::Lt)
         else {
             return Ok(());