diff options
Diffstat (limited to 'src/libsyntax/parse/parser.rs')
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index 7ddb4099e0e..a4b01f485d3 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -1824,6 +1824,14 @@ impl<'a> Parser<'a> { fn parse_arg_general(&mut self, require_name: bool) -> PResult<'a, Arg> { maybe_whole!(self, NtArg, |x| x); + if let Ok(Some(_)) = self.parse_self_arg() { + let mut err = self.struct_span_err(self.prev_span, + "unexpected `self` argument in function"); + err.span_label(self.prev_span, + "`self` is only valid as the first argument of a trait function"); + return Err(err); + } + let (pat, ty) = if require_name || self.is_named_argument() { debug!("parse_arg_general parse_pat (require_name:{})", require_name); @@ -5386,14 +5394,7 @@ impl<'a> Parser<'a> { fn parse_fn_args(&mut self, named_args: bool, allow_variadic: bool) -> PResult<'a, (Vec<Arg> , bool)> { self.expect(&token::OpenDelim(token::Paren))?; - - if let Ok(Some(_)) = self.parse_self_arg() { - let mut err = self.struct_span_err(self.prev_span - , "unexpected `self` argument in bare function"); - err.span_label(self.prev_span, "invalid argument in bare function"); - return Err(err); - } - + let sp = self.span; let mut variadic = false; let args: Vec<Option<Arg>> = |
