1 files changed, 46 insertions, 0 deletions
diff --git a/src/inc/debugmacrosext.h b/src/inc/debugmacrosext.h
new file mode 100644
index 0000000000..e1aade65b5
--- /dev/null
+++ b/src/inc/debugmacrosext.h
@@ -0,0 +1,46 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+//*****************************************************************************
+// DebugMacrosExt.h
+//
+// Simple debugging macros that take no dependencies on CLR headers.
+// This header can be used from outside the CLR.
+//
+//*****************************************************************************
+
+#ifndef __DebugMacrosExt_h__
+#define __DebugMacrosExt_h__
+
+#if !defined(_DEBUG_IMPL) && defined(_DEBUG) && !defined(DACCESS_COMPILE)
+#define _DEBUG_IMPL 1
+#endif
+
+#ifdef _DEBUG
+// A macro to execute a statement only in _DEBUG.
+#define DEBUG_STMT(stmt) stmt
+#define INDEBUG(x)          x
+#define INDEBUG_COMMA(x)    x,
+#define COMMA_INDEBUG(x)    ,x
+#define NOT_DEBUG(x)
+#else
+#define DEBUG_STMT(stmt)
+#define INDEBUG(x)
+#define INDEBUG_COMMA(x)
+#define COMMA_INDEBUG(x)
+#define NOT_DEBUG(x)        x
+#endif
+
+
+#ifdef _DEBUG_IMPL
+#define INDEBUGIMPL(x)          x
+#define INDEBUGIMPL_COMMA(x)    x,
+#define COMMA_INDEBUGIMPL(x)    ,x
+#else
+#define INDEBUGIMPL(x)
+#define INDEBUGIMPL_COMMA(x)
+#define COMMA_INDEBUGIMPL(x)
+#endif
+
+
+#endif