diff options
Diffstat (limited to 'src/libsyntax/parse/parser.rs')
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index 3010c040914..29ef105eccb 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -2841,7 +2841,12 @@ impl<'a> Parser<'a> { maybe_whole!(deref self, NtTT); match self.token { token::CloseDelim(_) => { - panic!("should have been caught above"); + // An unexpected closing delimiter (i.e., there is no + // matching opening delimiter). + let token_str = self.this_token_to_string(); + let err = self.diagnostic().struct_span_err(self.span, + &format!("unexpected close delimiter: `{}`", token_str)); + Err(err) }, /* we ought to allow different depths of unquotation */ token::Dollar | token::SubstNt(..) if self.quote_depth > 0 => { |