From c941c5365e59127274f53b329da53c052aad0215 Mon Sep 17 00:00:00 2001
From: Rob Mensching <rob@firegiant.com>
Date: Fri, 8 Jan 2021 15:33:06 -0800
Subject: Add support for -wx switch to decompiler

---
 .../CommandLine/DecompileCommand.cs                | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/WixToolset.Core/CommandLine/DecompileCommand.cs b/src/WixToolset.Core/CommandLine/DecompileCommand.cs
index 873c85ee..393e2a4e 100644
--- a/src/WixToolset.Core/CommandLine/DecompileCommand.cs
+++ b/src/WixToolset.Core/CommandLine/DecompileCommand.cs
@@ -139,6 +139,12 @@ namespace WixToolset.Core.CommandLine
                         }
                         return true;
                     }
+
+                    if (parameter.StartsWith("wx"))
+                    {
+                        this.ParseWarningAsError(parameter, "wx".Length, parser);
+                        return true;
+                    }
                 }
                 else
                 {
@@ -211,6 +217,23 @@ namespace WixToolset.Core.CommandLine
             {
                 return String.IsNullOrEmpty(this.OutputFile) ? Path.ChangeExtension(this.DecompileFilePath, ".wxs") : this.OutputFile;
             }
+
+            private void ParseWarningAsError(string parameter, int offset, ICommandLineParser parser)
+            {
+                var paramArg = parameter.Substring(offset);
+                if (paramArg.Length == 0)
+                {
+                    this.Messaging.WarningsAsError = true;
+                }
+                else if (Int32.TryParse(paramArg, out var elevateWarning) && elevateWarning > 0)
+                {
+                    this.Messaging.SuppressWarningMessage(elevateWarning);
+                }
+                else
+                {
+                    parser.ReportErrorArgument(parameter, ErrorMessages.IllegalSuppressWarningId(paramArg));
+                }
+            }
         }
     }
 }
-- 
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