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Simplify error output

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This commit is contained in:
Esteban Küber
2017-03-27 17:15:16 -07:00
parent 57009caabd
commit c963d613a2
2 changed files with 9 additions and 18 deletions
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17
src/libsyntax/parse/parser.rs
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@@ -4708,26 +4708,21 @@ impl<'a> Parser<'a> {
if let Err(mut bang_err) = bang_err {
// Given this code `pub path(`, it seems like this is not setting the
// visibility of a macro invocation, but rather a mistyped method declaration.
// Keep the macro diagnostic, but also provide a hint that `fn` might be
// missing. Don't complain about the missing `!` as a separate diagnostic, add
// label in the appropriate place as part of one unified diagnostic.
// Create a diagnostic pointing out that `fn` is missing.
//
// x | pub path(&self) {
// | ^^^- - expected `!` here for a macro invocation
// | |
// | did you mean to write `fn` here for a method declaration?
// | ^ missing `fn` for method declaration
err.cancel();
bang_err.cancel();
err.span_label(self.span, &"expected `!` here for a macro invocation");
// pub path(
// ^^ `sp` below will point to this
let sp = mk_sp(prev_span.hi, self.prev_span.lo);
err.span_label(sp,
&"did you mean to write `fn` here for a method declaration?");
err = self.diagnostic()
.struct_span_err(sp, "missing `fn` for method declaration");
err.span_label(sp, &"missing `fn`");
}
return Err(err);
} else if let Err(bang_err) = bang_err {
return Err(bang_err);
}
// eat a matched-delimiter token tree: