Rollup merge of #75485 - RalfJung:pin, r=nagisa

[rust.git] / src / librustc_parse / parser / mod.rs

diff --git a/src/librustc_parse/parser/mod.rs b/src/librustc_parse/parser/mod.rs
index ededfc43669da29b587b8b2330c48a426592d816..a30131e4f7af49b75e8f8b81f78334576d26a326 100644 (file)
--- a/src/librustc_parse/parser/mod.rs
+++ b/src/librustc_parse/parser/mod.rs
@@ -13,7 +13,6 @@
 use diagnostics::Error;
 pub use path::PathStyle;
 
-use log::debug;
 use rustc_ast::ast::DUMMY_NODE_ID;
 use rustc_ast::ast::{self, AttrStyle, AttrVec, Const, CrateSugar, Extern, Unsafe};
 use rustc_ast::ast::{
@@ -27,6 +26,7 @@
 use rustc_session::parse::ParseSess;
 use rustc_span::source_map::{respan, Span, DUMMY_SP};
 use rustc_span::symbol::{kw, sym, Ident, Symbol};
+use tracing::debug;
 
 use std::{cmp, mem, slice};
 
@@ -103,6 +103,8 @@ pub struct Parser<'a> {
     /// error.
     pub(super) unclosed_delims: Vec<UnmatchedBrace>,
     last_unexpected_token_span: Option<Span>,
+    /// Span pointing at the `:` for the last type ascription the parser has seen, and whether it
+    /// looked like it could have been a mistyped path or literal `Option:Some(42)`).
     pub last_type_ascription: Option<(Span, bool /* likely path typo */)>,
     /// If present, this `Parser` is not parsing Rust code but rather a macro call.
     subparser_name: Option<&'static str>,