Don't ICE on macros with -Z show-span

sfackler · sfackler · commit b865c1f28ca2 · 2014-09-09T22:39:13.000-07:00
Closes #17115
diff --git a/src/librustc/front/show_span.rs b/src/librustc/front/show_span.rs
@@ -28,6 +28,10 @@ impl<'a> Visitor<()> for ShowSpanVisitor<'a> {
         self.sess.span_note(e.span, "expression");
         visit::walk_expr(self, e, ());
     }
+
+    fn visit_mac(&mut self, macro: &ast::Mac, e: ()) {
+        visit::walk_mac(self, macro, e);
+    }
 }
 
 pub fn run(sess: &Session, krate: &ast::Crate) {

Original file line number	Diff line number	Diff line change
`@@ -28,6 +28,10 @@ impl<'a> Visitor<()> for ShowSpanVisitor<'a> {`
`28`	`28`	`self.sess.span_note(e.span, "expression");`
`29`	`29`	`visit::walk_expr(self, e, ());`
`30`	`30`	`}`
	`31`	`+`
	`32`	`+ fn visit_mac(&mut self, macro: &ast::Mac, e: ()) {`
	`33`	`+ visit::walk_mac(self, macro, e);`
	`34`	`+ }`
`31`	`35`	`}`
`32`	`36`
`33`	`37`	`pub fn run(sess: &Session, krate: &ast::Crate) {`