Add code

ScriptConverter/Parser/SourcePosition.cs

@@ -0,0 +1,35 @@
+using System.Globalization;
+using JetBrains.Annotations;
+
+namespace ScriptConverter.Parser
+{
+    public struct SourcePosition
+    {
+        public readonly int Line;
+        public readonly int Column;
+
+        public SourcePosition(int line, int column = -1)
+        {
+            Line = line;
+            Column = column;
+        }
+
+        [Pure]
+        public override string ToString()
+        {
+            if (Column <= 0)
+                return Line.ToString("G", CultureInfo.InvariantCulture);
+
+            return string.Format(CultureInfo.InvariantCulture, "{0:G}:{1:G}", Line, Column);
+        }
+
+        [Pure]
+        public string ToRangeString(SourcePosition end)
+        {
+            if (Line == end.Line && Column == end.Column)
+                return ToString();
+
+            return string.Format(CultureInfo.InvariantCulture, "{0}-{1}", this, end);
+        }
+    }
+}