Remove or downgrade unnecessary pub visibility markers.

compiler/rustc_ast_pretty/src/pp.rs

@@ -165,20 +165,20 @@ enum IndentStyle {
 }
 
 #[derive(Clone, Copy, Default, PartialEq)]
-pub struct BreakToken {
+pub(crate) struct BreakToken {
     offset: isize,
     blank_space: isize,
     pre_break: Option<char>,
 }
 
 #[derive(Clone, Copy, PartialEq)]
-pub struct BeginToken {
+pub(crate) struct BeginToken {
     indent: IndentStyle,
     breaks: Breaks,
 }
 
 #[derive(PartialEq)]
-pub enum Token {
+pub(crate) enum Token {
     // In practice a string token contains either a `&'static str` or a
     // `String`. `Cow` is overkill for this because we never modify the data,
     // but it's more convenient than rolling our own more specialized type.
@@ -250,16 +250,16 @@ impl Printer {
         }
     }
 
-    pub fn last_token(&self) -> Option<&Token> {
+    pub(crate) fn last_token(&self) -> Option<&Token> {
         self.last_token_still_buffered().or_else(|| self.last_printed.as_ref())
     }
 
-    pub fn last_token_still_buffered(&self) -> Option<&Token> {
+    pub(crate) fn last_token_still_buffered(&self) -> Option<&Token> {
         self.buf.last().map(|last| &last.token)
     }
 
     /// Be very careful with this!
-    pub fn replace_last_token_still_buffered(&mut self, token: Token) {
+    pub(crate) fn replace_last_token_still_buffered(&mut self, token: Token) {
         self.buf.last_mut().unwrap().token = token;
     }
 
@@ -313,7 +313,7 @@ impl Printer {
         }
     }
 
-    pub fn offset(&mut self, offset: isize) {
+    pub(crate) fn offset(&mut self, offset: isize) {
         if let Some(BufEntry { token: Token::Break(token), .. }) = &mut self.buf.last_mut() {
             token.offset += offset;
         }

compiler/rustc_ast_pretty/src/pp/convenience.rs

@@ -66,7 +66,7 @@ impl Printer {
         }
     }
 
-    pub fn hardbreak_tok_offset(off: isize) -> Token {
+    pub(crate) fn hardbreak_tok_offset(off: isize) -> Token {
         Token::Break(BreakToken {
             offset: off,
             blank_space: SIZE_INFINITY,

compiler/rustc_ast_pretty/src/pprust/state.rs

@@ -43,8 +43,7 @@ pub trait PpAnn {
     fn post(&self, _state: &mut State<'_>, _node: AnnNode<'_>) {}
 }
 
-#[derive(Copy, Clone)]
-pub struct NoAnn;
+struct NoAnn;
 
 impl PpAnn for NoAnn {}
 
@@ -61,11 +60,11 @@ impl<'a> Comments<'a> {
     }
 
     // FIXME: This shouldn't probably clone lmao
-    pub fn next(&self) -> Option<Comment> {
+    fn next(&self) -> Option<Comment> {
         self.comments.get(self.current).cloned()
     }
 
-    pub fn trailing_comment(
+    fn trailing_comment(
         &self,
         span: rustc_span::Span,
         next_pos: Option<BytePos>,
@@ -92,7 +91,7 @@ pub struct State<'a> {
     ann: &'a (dyn PpAnn + 'a),
 }
 
-pub(crate) const INDENT_UNIT: isize = 4;
+const INDENT_UNIT: isize = 4;
 
 /// Requires you to pass an input filename and reader so that
 /// it can scan the input text for comments to copy forward.
@@ -217,7 +216,7 @@ fn doc_comment_to_string(
     }
 }
 
-pub fn literal_to_string(lit: token::Lit) -> String {
+fn literal_to_string(lit: token::Lit) -> String {
     let token::Lit { kind, symbol, suffix } = lit;
     let mut out = match kind {
         token::Byte => format!("b'{symbol}'"),
@@ -976,13 +975,8 @@ impl<'a> State<'a> {
         State { s: pp::Printer::new(), comments: None, ann: &NoAnn }
     }
 
-    pub(crate) fn commasep_cmnt<T, F, G>(
-        &mut self,
-        b: Breaks,
-        elts: &[T],
-        mut op: F,
-        mut get_span: G,
-    ) where
+    fn commasep_cmnt<T, F, G>(&mut self, b: Breaks, elts: &[T], mut op: F, mut get_span: G)
+    where
         F: FnMut(&mut State<'_>, &T),
         G: FnMut(&T) -> rustc_span::Span,
     {
@@ -1002,7 +996,7 @@ impl<'a> State<'a> {
         self.end();
     }
 
-    pub(crate) fn commasep_exprs(&mut self, b: Breaks, exprs: &[P<ast::Expr>]) {
+    fn commasep_exprs(&mut self, b: Breaks, exprs: &[P<ast::Expr>]) {
         self.commasep_cmnt(b, exprs, |s, e| s.print_expr(e), |e| e.span)
     }
 
@@ -1153,7 +1147,7 @@ impl<'a> State<'a> {
         self.print_trait_ref(&t.trait_ref)
     }
 
-    pub(crate) fn print_stmt(&mut self, st: &ast::Stmt) {
+    fn print_stmt(&mut self, st: &ast::Stmt) {
         self.maybe_print_comment(st.span.lo());
         match &st.kind {
             ast::StmtKind::Local(loc) => {
@@ -1208,19 +1202,19 @@ impl<'a> State<'a> {
         self.maybe_print_trailing_comment(st.span, None)
     }
 
-    pub(crate) fn print_block(&mut self, blk: &ast::Block) {
+    fn print_block(&mut self, blk: &ast::Block) {
         self.print_block_with_attrs(blk, &[])
     }
 
-    pub(crate) fn print_block_unclosed_indent(&mut self, blk: &ast::Block) {
+    fn print_block_unclosed_indent(&mut self, blk: &ast::Block) {
         self.print_block_maybe_unclosed(blk, &[], false)
     }
 
-    pub(crate) fn print_block_with_attrs(&mut self, blk: &ast::Block, attrs: &[ast::Attribute]) {
+    fn print_block_with_attrs(&mut self, blk: &ast::Block, attrs: &[ast::Attribute]) {
         self.print_block_maybe_unclosed(blk, attrs, true)
     }
 
-    pub(crate) fn print_block_maybe_unclosed(
+    fn print_block_maybe_unclosed(
         &mut self,
         blk: &ast::Block,
         attrs: &[ast::Attribute],
@@ -1254,7 +1248,7 @@ impl<'a> State<'a> {
     }
 
     /// Print a `let pat = expr` expression.
-    pub(crate) fn print_let(&mut self, pat: &ast::Pat, expr: &ast::Expr) {
+    fn print_let(&mut self, pat: &ast::Pat, expr: &ast::Expr) {
         self.word("let ");
         self.print_pat(pat);
         self.space();
@@ -1263,7 +1257,7 @@ impl<'a> State<'a> {
         self.print_expr_cond_paren(expr, Self::cond_needs_par(expr) || npals())
     }
 
-    pub(crate) fn print_mac(&mut self, m: &ast::MacCall) {
+    fn print_mac(&mut self, m: &ast::MacCall) {
         self.print_mac_common(
             Some(MacHeader::Path(&m.path)),
             true,
@@ -1404,7 +1398,7 @@ impl<'a> State<'a> {
         self.pclose();
     }
 
-    pub(crate) fn print_local_decl(&mut self, loc: &ast::Local) {
+    fn print_local_decl(&mut self, loc: &ast::Local) {
         self.print_pat(&loc.pat);
         if let Some(ty) = &loc.ty {
             self.word_space(":");
@@ -1412,7 +1406,7 @@ impl<'a> State<'a> {
         }
     }
 
-    pub(crate) fn print_name(&mut self, name: Symbol) {
+    fn print_name(&mut self, name: Symbol) {
         self.word(name.to_string());
         self.ann.post(self, AnnNode::Name(&name))
     }
@@ -1436,7 +1430,7 @@ impl<'a> State<'a> {
         }
     }
 
-    pub(crate) fn print_pat(&mut self, pat: &ast::Pat) {
+    fn print_pat(&mut self, pat: &ast::Pat) {
         self.maybe_print_comment(pat.span.lo());
         self.ann.pre(self, AnnNode::Pat(pat));
         /* Pat isn't normalized, but the beauty of it
@@ -1589,7 +1583,7 @@ impl<'a> State<'a> {
         }
     }
 
-    pub(crate) fn print_asyncness(&mut self, asyncness: ast::Async) {
+    fn print_asyncness(&mut self, asyncness: ast::Async) {
         if asyncness.is_async() {
             self.word_nbsp("async");
         }
@@ -1634,11 +1628,11 @@ impl<'a> State<'a> {
         }
     }
 
-    pub(crate) fn print_lifetime(&mut self, lifetime: ast::Lifetime) {
+    fn print_lifetime(&mut self, lifetime: ast::Lifetime) {
         self.print_name(lifetime.ident.name)
     }
 
-    pub(crate) fn print_lifetime_bounds(&mut self, bounds: &ast::GenericBounds) {
+    fn print_lifetime_bounds(&mut self, bounds: &ast::GenericBounds) {
         for (i, bound) in bounds.iter().enumerate() {
             if i != 0 {
                 self.word(" + ");
@@ -1650,7 +1644,7 @@ impl<'a> State<'a> {
         }
     }
 
-    pub(crate) fn print_generic_params(&mut self, generic_params: &[ast::GenericParam]) {
+    fn print_generic_params(&mut self, generic_params: &[ast::GenericParam]) {
         if generic_params.is_empty() {
             return;
         }
@@ -1714,12 +1708,12 @@ impl<'a> State<'a> {
         }
     }
 
-    pub(crate) fn print_mt(&mut self, mt: &ast::MutTy, print_const: bool) {
+    fn print_mt(&mut self, mt: &ast::MutTy, print_const: bool) {
         self.print_mutability(mt.mutbl, print_const);
         self.print_type(&mt.ty)
     }
 
-    pub(crate) fn print_param(&mut self, input: &ast::Param, is_closure: bool) {
+    fn print_param(&mut self, input: &ast::Param, is_closure: bool) {
         self.ibox(INDENT_UNIT);
 
         self.print_outer_attributes_inline(&input.attrs);
@@ -1747,7 +1741,7 @@ impl<'a> State<'a> {
         self.end();
     }
 
-    pub(crate) fn print_fn_ret_ty(&mut self, fn_ret_ty: &ast::FnRetTy) {
+    fn print_fn_ret_ty(&mut self, fn_ret_ty: &ast::FnRetTy) {
         if let ast::FnRetTy::Ty(ty) = fn_ret_ty {
             self.space_if_not_bol();
             self.ibox(INDENT_UNIT);
@@ -1758,7 +1752,7 @@ impl<'a> State<'a> {
         }
     }
 
-    pub(crate) fn print_ty_fn(
+    fn print_ty_fn(
         &mut self,
         ext: ast::Extern,
         unsafety: ast::Unsafe,
@@ -1782,7 +1776,7 @@ impl<'a> State<'a> {
         self.end();
     }
 
-    pub(crate) fn print_fn_header_info(&mut self, header: ast::FnHeader) {
+    fn print_fn_header_info(&mut self, header: ast::FnHeader) {
         self.print_constness(header.constness);
         self.print_asyncness(header.asyncness);
         self.print_unsafety(header.unsafety);
@@ -1802,21 +1796,21 @@ impl<'a> State<'a> {
         self.word("fn")
     }
 
-    pub(crate) fn print_unsafety(&mut self, s: ast::Unsafe) {
+    fn print_unsafety(&mut self, s: ast::Unsafe) {
         match s {
             ast::Unsafe::No => {}
             ast::Unsafe::Yes(_) => self.word_nbsp("unsafe"),
         }
     }
 
-    pub(crate) fn print_constness(&mut self, s: ast::Const) {
+    fn print_constness(&mut self, s: ast::Const) {
         match s {
             ast::Const::No => {}
             ast::Const::Yes(_) => self.word_nbsp("const"),
         }
     }
 
-    pub(crate) fn print_is_auto(&mut self, s: ast::IsAuto) {
+    fn print_is_auto(&mut self, s: ast::IsAuto) {
         match s {
             ast::IsAuto::Yes => self.word_nbsp("auto"),
             ast::IsAuto::No => {}

compiler/rustc_ast_pretty/src/pprust/state/expr.rs

@@ -281,7 +281,7 @@ impl<'a> State<'a> {
         self.print_expr_maybe_paren(expr, parser::PREC_PREFIX)
     }
 
-    pub fn print_expr(&mut self, expr: &ast::Expr) {
+    pub(super) fn print_expr(&mut self, expr: &ast::Expr) {
         self.print_expr_outer_attr_style(expr, true)
     }
 
@@ -681,7 +681,7 @@ impl<'a> State<'a> {
     }
 }
 
-pub fn reconstruct_format_args_template_string(pieces: &[FormatArgsPiece]) -> String {
+fn reconstruct_format_args_template_string(pieces: &[FormatArgsPiece]) -> String {
     let mut template = "\"".to_string();
     for piece in pieces {
         match piece {

compiler/rustc_ast_pretty/src/pprust/state/item.rs

@@ -20,7 +20,7 @@ impl<'a> State<'a> {
         }
     }
 
-    pub(crate) fn print_foreign_item(&mut self, item: &ast::ForeignItem) {
+    fn print_foreign_item(&mut self, item: &ast::ForeignItem) {
         let ast::Item { id, span, ident, ref attrs, ref kind, ref vis, tokens: _ } = *item;
         self.ann.pre(self, AnnNode::SubItem(id));
         self.hardbreak_if_not_bol();
@@ -518,7 +518,7 @@ impl<'a> State<'a> {
         }
     }
 
-    pub(crate) fn print_assoc_item(&mut self, item: &ast::AssocItem) {
+    fn print_assoc_item(&mut self, item: &ast::AssocItem) {
         let ast::Item { id, span, ident, ref attrs, ref kind, ref vis, tokens: _ } = *item;
         self.ann.pre(self, AnnNode::SubItem(id));
         self.hardbreak_if_not_bol();
@@ -621,7 +621,7 @@ impl<'a> State<'a> {
         self.print_where_clause_parts(where_clause.has_where_token, &where_clause.predicates);
     }
 
-    pub(crate) fn print_where_clause_parts(
+    fn print_where_clause_parts(
         &mut self,
         has_where_token: bool,
         predicates: &[ast::WherePredicate],
@@ -668,7 +668,7 @@ impl<'a> State<'a> {
         }
     }
 
-    pub fn print_where_bound_predicate(
+    pub(crate) fn print_where_bound_predicate(
         &mut self,
         where_bound_predicate: &ast::WhereBoundPredicate,
     ) {