Move condition out of maybe_recover_from_bad_qpath.

Author: nnethercote

compiler/rustc_parse/src/parser/diagnostics.rs

@@ -1449,10 +1449,9 @@ impl<'a> Parser<'a> {
     pub(super) fn maybe_recover_from_bad_qpath<T: RecoverQPath>(
         &mut self,
         base: P<T>,
-        allow_recovery: bool,
     ) -> PResult<'a, P<T>> {
         // Do not add `::` to expected tokens.
-        if allow_recovery && self.token == token::ModSep {
+        if self.token == token::ModSep {
             if let Some(ty) = base.to_ty() {
                 return self.maybe_recover_from_bad_qpath_stage_2(ty.span, ty);
             }
@@ -1598,7 +1597,7 @@ impl<'a> Parser<'a> {
             _ => ExprKind::Await(expr),
         };
         let expr = self.mk_expr(lo.to(sp), kind, attrs);
-        self.maybe_recover_from_bad_qpath(expr, true)
+        self.maybe_recover_from_bad_qpath(expr)
     }
 
     fn recover_await_macro(&mut self) -> PResult<'a, (Span, P<Expr>, bool)> {

compiler/rustc_parse/src/parser/expr.rs

@@ -1417,7 +1417,7 @@ impl<'a> Parser<'a> {
         match self.parse_opt_lit() {
             Some(literal) => {
                 let expr = self.mk_expr(lo.to(self.prev_token.span), ExprKind::Lit(literal), attrs);
-                self.maybe_recover_from_bad_qpath(expr, true)
+                self.maybe_recover_from_bad_qpath(expr)
             }
             None => self.try_macro_suggestion(),
         }
@@ -1444,7 +1444,7 @@ impl<'a> Parser<'a> {
             ExprKind::Tup(es)
         };
         let expr = self.mk_expr(lo.to(self.prev_token.span), kind, attrs);
-        self.maybe_recover_from_bad_qpath(expr, true)
+        self.maybe_recover_from_bad_qpath(expr)
     }
 
     fn parse_array_or_repeat_expr(
@@ -1481,7 +1481,7 @@ impl<'a> Parser<'a> {
             }
         };
         let expr = self.mk_expr(lo.to(self.prev_token.span), kind, attrs);
-        self.maybe_recover_from_bad_qpath(expr, true)
+        self.maybe_recover_from_bad_qpath(expr)
     }
 
     fn parse_path_start_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
@@ -1519,7 +1519,7 @@ impl<'a> Parser<'a> {
         };
 
         let expr = self.mk_expr(lo.to(hi), kind, attrs);
-        self.maybe_recover_from_bad_qpath(expr, true)
+        self.maybe_recover_from_bad_qpath(expr)
     }
 
     /// Parse `'label: $expr`. The label is already parsed.
@@ -1604,7 +1604,7 @@ impl<'a> Parser<'a> {
         let lo = self.prev_token.span;
         let kind = ExprKind::Ret(self.parse_expr_opt()?);
         let expr = self.mk_expr(lo.to(self.prev_token.span), kind, attrs);
-        self.maybe_recover_from_bad_qpath(expr, true)
+        self.maybe_recover_from_bad_qpath(expr)
     }
 
     /// Parse `"do" "yeet" expr?`.
@@ -1619,7 +1619,7 @@ impl<'a> Parser<'a> {
         let span = lo.to(self.prev_token.span);
         self.sess.gated_spans.gate(sym::yeet_expr, span);
         let expr = self.mk_expr(span, kind, attrs);
-        self.maybe_recover_from_bad_qpath(expr, true)
+        self.maybe_recover_from_bad_qpath(expr)
     }
 
     /// Parse `"break" (('label (:? expr)?) | expr?)` with `"break"` token already eaten.
@@ -1679,7 +1679,7 @@ impl<'a> Parser<'a> {
             None
         };
         let expr = self.mk_expr(lo.to(self.prev_token.span), ExprKind::Break(label, kind), attrs);
-        self.maybe_recover_from_bad_qpath(expr, true)
+        self.maybe_recover_from_bad_qpath(expr)
     }
 
     /// Parse `"yield" expr?`.
@@ -1689,7 +1689,7 @@ impl<'a> Parser<'a> {
         let span = lo.to(self.prev_token.span);
         self.sess.gated_spans.gate(sym::generators, span);
         let expr = self.mk_expr(span, kind, attrs);
-        self.maybe_recover_from_bad_qpath(expr, true)
+        self.maybe_recover_from_bad_qpath(expr)
     }
 
     /// Returns a string literal if the next token is a string literal.

compiler/rustc_parse/src/parser/pat.rs

@@ -408,7 +408,7 @@ impl<'a> Parser<'a> {
         };
 
         let pat = self.mk_pat(lo.to(self.prev_token.span), pat);
-        let pat = self.maybe_recover_from_bad_qpath(pat, true)?;
+        let pat = self.maybe_recover_from_bad_qpath(pat)?;
         let pat = self.recover_intersection_pat(pat)?;
 
         if !allow_range_pat {

compiler/rustc_parse/src/parser/stmt.rs

@@ -180,7 +180,7 @@ impl<'a> Parser<'a> {
         } else {
             // Since none of the above applied, this is an expression statement macro.
             let e = self.mk_expr(lo.to(hi), ExprKind::MacCall(mac), AttrVec::new());
-            let e = self.maybe_recover_from_bad_qpath(e, true)?;
+            let e = self.maybe_recover_from_bad_qpath(e)?;
             let e = self.parse_dot_or_call_expr_with(e, lo, attrs.into())?;
             let e = self.parse_assoc_expr_with(0, LhsExpr::AlreadyParsed(e))?;
             StmtKind::Expr(e)

compiler/rustc_parse/src/parser/ty.rs

@@ -318,7 +318,7 @@ impl<'a> Parser<'a> {
         self.maybe_report_ambiguous_plus(allow_plus, impl_dyn_multi, &ty);
         self.maybe_recover_from_bad_type_plus(allow_plus, &ty)?;
         let ty = self.maybe_recover_from_question_mark(ty, recover_question_mark);
-        self.maybe_recover_from_bad_qpath(ty, allow_qpath_recovery)
+        if allow_qpath_recovery { self.maybe_recover_from_bad_qpath(ty) } else { Ok(ty) }
     }
 
     /// Parses either: