From 27235698f5c73b12539e4765e8dccfec8e27c533 Mon Sep 17 00:00:00 2001
From: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
Date: Tue, 28 Aug 2018 04:07:31 +0300
Subject: resolve: Introduce "may appear after" abstraction for macro path
 resolutions

---
 src/libsyntax_pos/hygiene.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/libsyntax_pos')

diff --git a/src/libsyntax_pos/hygiene.rs b/src/libsyntax_pos/hygiene.rs
index 7e985cf52f5..f053cb10d06 100644
--- a/src/libsyntax_pos/hygiene.rs
+++ b/src/libsyntax_pos/hygiene.rs
@@ -100,6 +100,11 @@ impl Mark {
         Mark(raw)
     }
 
+    #[inline]
+    pub fn parent(self) -> Mark {
+        HygieneData::with(|data| data.marks[self.0 as usize].parent)
+    }
+
     #[inline]
     pub fn expn_info(self) -> Option<ExpnInfo> {
         HygieneData::with(|data| data.marks[self.0 as usize].expn_info.clone())
-- 
cgit 1.4.1-3-g733a5