1 files changed, 69 insertions, 0 deletions
diff --git a/js/xpconnect/src/XPCLog.h b/js/xpconnect/src/XPCLog.h
new file mode 100644
index 0000000000..66bacf90e2
--- /dev/null
+++ b/js/xpconnect/src/XPCLog.h
@@ -0,0 +1,69 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Debug Logging support. */
+
+#ifndef xpclog_h___
+#define xpclog_h___
+
+#include "mozilla/Attributes.h"
+#include "mozilla/Logging.h"
+
+/*
+ * This uses mozilla/Logging.h. The module name used here is 'xpclog'.
+ * These environment settings should work...
+ *
+ * SET MOZ_LOG=xpclog:5
+ * SET MOZ_LOG_FILE=logfile.txt
+ *
+ * usage:
+ *   XPC_LOG_ERROR(("my comment number %d", 5))   // note the double parens
+ *
+ */
+
+#ifdef DEBUG
+#  define XPC_LOG_INTERNAL(number, _args) \
+    do {                                  \
+      if (XPC_Log_Check(number)) {        \
+        XPC_Log_print _args;              \
+      }                                   \
+    } while (0)
+
+#  define XPC_LOG_ALWAYS(_args) XPC_LOG_INTERNAL(1, _args)
+#  define XPC_LOG_ERROR(_args) XPC_LOG_INTERNAL(2, _args)
+#  define XPC_LOG_WARNING(_args) XPC_LOG_INTERNAL(3, _args)
+#  define XPC_LOG_DEBUG(_args) XPC_LOG_INTERNAL(4, _args)
+#  define XPC_LOG_FLUSH() PR_LogFlush()
+#  define XPC_LOG_INDENT() XPC_Log_Indent()
+#  define XPC_LOG_OUTDENT() XPC_Log_Outdent()
+#  define XPC_LOG_CLEAR_INDENT() XPC_Log_Clear_Indent()
+#  define XPC_LOG_FINISH() XPC_Log_Finish()
+
+extern "C" {
+
+void XPC_Log_print(const char* fmt, ...) MOZ_FORMAT_PRINTF(1, 2);
+bool XPC_Log_Check(int i);
+void XPC_Log_Indent();
+void XPC_Log_Outdent();
+void XPC_Log_Clear_Indent();
+void XPC_Log_Finish();
+
+}  // extern "C"
+
+#else
+
+#  define XPC_LOG_ALWAYS(_args) ((void)0)
+#  define XPC_LOG_ERROR(_args) ((void)0)
+#  define XPC_LOG_WARNING(_args) ((void)0)
+#  define XPC_LOG_DEBUG(_args) ((void)0)
+#  define XPC_LOG_FLUSH() ((void)0)
+#  define XPC_LOG_INDENT() ((void)0)
+#  define XPC_LOG_OUTDENT() ((void)0)
+#  define XPC_LOG_CLEAR_INDENT() ((void)0)
+#  define XPC_LOG_FINISH() ((void)0)
+#endif
+
+#endif /* xpclog_h___ */