1 files changed, 54 insertions, 0 deletions
diff --git a/src/coreclr/hosts/coreconsole/logger.h b/src/coreclr/hosts/coreconsole/logger.h
new file mode 100644
index 0000000000..af54205396
--- /dev/null
+++ b/src/coreclr/hosts/coreconsole/logger.h
@@ -0,0 +1,54 @@
+// 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.
+
+//
+// Logger for the CoreCLR host.
+// Relies on the SYSCRT and therefore cannot use C++ libraries.
+//
+
+class Logger {
+    bool m_isEnabled;
+    bool m_prefixRequired;
+    bool m_formatHRESULT;
+
+public:
+    Logger() : 
+        m_isEnabled(true), 
+        m_prefixRequired(true),
+        m_formatHRESULT(false) { }
+
+    ~Logger() { }
+
+    // Enables output from the logger
+    void Enable();
+
+    // Disables output from the logger
+    void Disable();
+
+  
+    Logger& operator<< (bool val);
+    Logger& operator<< (short val);
+    Logger& operator<< (unsigned short val);
+    Logger& operator<< (int val);
+    Logger& operator<< (unsigned int val);
+#ifdef _MSC_VER
+    Logger& operator<< (long val);
+    Logger& operator<< (unsigned long val);
+#endif
+    Logger& operator<< (float val);
+    Logger& operator<< (double val);
+    Logger& operator<< (long double val);
+    Logger& operator<< (const wchar_t* val);
+    Logger& operator<< (Logger& ( *pf )(Logger&));
+    static Logger& endl ( Logger& log );
+    static Logger& hresult ( Logger& log);
+
+private:
+    void EnsurePrefixIsPrinted();
+};
+
+
+
+
+