X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_parse%2Fsrc%2Fparser%2Fattr.rs;h=2f90a7c54aba6f4454aa182075d2d3b6dcf305f1;hb=7907385999b4a83d37ed31d334f3ed9ca02983a1;hp=1724bab5caa430f7d64a34ccecf0190d2260c1bb;hpb=b70b01b11250b5dc8f300d26fe1dba8b5d189999;p=rust.git

diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs
index 1724bab5caa..2f90a7c54ab 100644
--- a/compiler/rustc_parse/src/parser/attr.rs
+++ b/compiler/rustc_parse/src/parser/attr.rs
@@ -1,7 +1,7 @@
 use super::{AttrWrapper, Capturing, FnParseMode, ForceCollect, Parser, PathStyle};
 use rustc_ast as ast;
 use rustc_ast::attr;
-use rustc_ast::token::{self, Nonterminal};
+use rustc_ast::token::{self, Delimiter, Nonterminal};
 use rustc_ast_pretty::pprust;
 use rustc_errors::{error_code, Diagnostic, PResult};
 use rustc_span::{sym, BytePos, Span};
@@ -130,9 +130,9 @@ pub fn parse_attribute(
                     ast::AttrStyle::Outer
                 };
 
-                this.expect(&token::OpenDelim(token::Bracket))?;
+                this.expect(&token::OpenDelim(Delimiter::Bracket))?;
                 let item = this.parse_attr_item(false)?;
-                this.expect(&token::CloseDelim(token::Bracket))?;
+                this.expect(&token::CloseDelim(Delimiter::Bracket))?;
                 let attr_sp = lo.to(this.prev_token.span);
 
                 // Emit error if inner attribute is encountered and forbidden.
@@ -371,9 +371,10 @@ pub fn parse_cfg_attr(&mut self) -> PResult<'a, (ast::MetaItem, Vec<(ast::AttrIt
     }
 
     /// Matches the following grammar (per RFC 1559).
-    ///
-    ///     meta_item : PATH ( '=' UNSUFFIXED_LIT | '(' meta_item_inner? ')' )? ;
-    ///     meta_item_inner : (meta_item | UNSUFFIXED_LIT) (',' meta_item_inner)? ;
+    /// ```ebnf
+    /// meta_item : PATH ( '=' UNSUFFIXED_LIT | '(' meta_item_inner? ')' )? ;
+    /// meta_item_inner : (meta_item | UNSUFFIXED_LIT) (',' meta_item_inner)? ;
+    /// ```
     pub fn parse_meta_item(&mut self) -> PResult<'a, ast::MetaItem> {
         let nt_meta = match self.token.kind {
             token::Interpolated(ref nt) => match **nt {
@@ -403,7 +404,7 @@ pub fn parse_meta_item(&mut self) -> PResult<'a, ast::MetaItem> {
     crate fn parse_meta_item_kind(&mut self) -> PResult<'a, ast::MetaItemKind> {
         Ok(if self.eat(&token::Eq) {
             ast::MetaItemKind::NameValue(self.parse_unsuffixed_lit()?)
-        } else if self.check(&token::OpenDelim(token::Paren)) {
+        } else if self.check(&token::OpenDelim(Delimiter::Parenthesis)) {
             // Matches `meta_seq = ( COMMASEP(meta_item_inner) )`.
             let (list, _) = self.parse_paren_comma_seq(|p| p.parse_meta_item_inner())?;
             ast::MetaItemKind::List(list)