ParseCommand

src/dotnet/Program.cs

@@ -54,6 +54,7 @@ namespace Microsoft.DotNet.Cli
             ["test"] = TestCommand.Run,
             ["vstest"] = VSTestCommand.Run,
             ["complete"] = CompleteCommand.Run,
+            ["parse"] = ParseCommand.Run,
         };
 
         public static int Main(string[] args)

src/dotnet/commands/dotnet-complete/ParseCommand.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Linq;
+using Microsoft.DotNet.Cli.CommandLine;
+using Microsoft.DotNet.Cli.Utils;
+
+namespace Microsoft.DotNet.Cli
+{
+    public class ParseCommand
+    {
+        public static int Run(string[] args)
+        {
+            DebugHelper.HandleDebugSwitch(ref args);
+
+            var resultOfParsingArg =
+                Parser.Instance.Parse(
+                    args.Single());
+
+            Console.WriteLine(resultOfParsingArg.Diagram());
+
+            return 0;
+        }
+    }
+}