From 2cb29a3cdff844baab3f2725f4c4ed07173ddefe Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 26 May 2018 15:59:02 +0200
Subject: Don't print empty location, zero line/column

---
 bpkg/diagnostics.hxx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'bpkg/diagnostics.hxx')

diff --git a/bpkg/diagnostics.hxx b/bpkg/diagnostics.hxx
index 2816f3c..21bc157 100644
--- a/bpkg/diagnostics.hxx
+++ b/bpkg/diagnostics.hxx
@@ -95,10 +95,17 @@ namespace bpkg
   class location
   {
   public:
-    location () {}
+    // Zero lines or columns are not printed.
+    //
+    explicit
     location (string f, uint64_t l, uint64_t c)
         : file (move (f)), line (l), column (c) {}
 
+    location () = default;
+
+    bool
+    empty () const {return file.empty ();}
+
     string file;
     uint64_t line;
     uint64_t column;
-- 
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