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authorbobtwinkles <srkoser+GitHub@gmail.com>2018-04-21 18:15:54 -0400
committerbobtwinkles <srkoser+GitHub@gmail.com>2018-04-23 23:59:58 -0400
commit263b36b071ba8b52cd4f79ca36494b05d4762430 (patch)
tree8b3471fd52750a0ae4c0fea9138d9fc081f60199 /src/libproc_macro
parentd2dc21df02a6f24b0c5629d3c3ebc7c9b85d20da (diff)
downloadrust-263b36b071ba8b52cd4f79ca36494b05d4762430.tar.gz
rust-263b36b071ba8b52cd4f79ca36494b05d4762430.zip
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
Diffstat (limited to 'src/libproc_macro')
-rw-r--r--src/libproc_macro/lib.rs2
1 files changed, 1 insertions, 1 deletions
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<Span> {
-        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