From fb6116c041a3c640a895487d5b515475c96eb5d0 Mon Sep 17 00:00:00 2001
From: Liran Zvibel <liran@gmail.com>
Date: Thu, 24 Apr 2014 21:05:00 +0300
Subject: [PATCH] ASTPrinter: Support empty goto case;

support goto case; with out an expression.

currently running dscanner --ast std/d/parser.d fails with a segfault
---
 astprinter.d | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/astprinter.d b/astprinter.d
index e1bff6d..c577de0 100644
--- a/astprinter.d
+++ b/astprinter.d
@@ -592,7 +592,9 @@ class XMLPrinter : ASTVisitor
 		{
 			output.writeln("<gotoStatement>");
 			output.writeln("<case>");
-			visit(gotoStatement.expression);
+            if (gotoStatement.expression) {
+                visit(gotoStatement.expression);
+            }
 			output.writeln("</case>");
 			output.writeln("</gotoStatement>");
 		}