From 263b36b071ba8b52cd4f79ca36494b05d4762430 Mon Sep 17 00:00:00 2001 From: bobtwinkles Date: Sat, 21 Apr 2018 18:15:54 -0400 Subject: Implement parent() on `syntax_pos::Span` ... and reimplement proc_macro::Span::parent using it. This function turns out to be useful in the compiler as well --- src/libproc_macro/lib.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/libproc_macro') diff --git a/src/libproc_macro/lib.rs b/src/libproc_macro/lib.rs index e171216523a..4d24353a383 100644 --- a/src/libproc_macro/lib.rs +++ b/src/libproc_macro/lib.rs @@ -270,7 +270,7 @@ impl Span { /// `self` was generated from, if any. #[unstable(feature = "proc_macro", issue = "38356")] pub fn parent(&self) -> Option { - self.0.ctxt().outer().expn_info().map(|i| Span(i.call_site)) + self.0.parent().map(|x| { Span(x) }) } /// The span for the origin source code that `self` was generated from. If -- cgit 1.4.1-3-g733a5