From 0ce571055abc30979c9997398cb70b168735b04a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Sun, 14 Sep 2008 18:46:26 +0000
Subject: [PATCH] This class helps me with tracing function enter/leave output.
 It is passed a static integer that it uses for indentation.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27506 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/private/shared/FunctionTracer.h | 46 +++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 headers/private/shared/FunctionTracer.h

diff --git a/headers/private/shared/FunctionTracer.h b/headers/private/shared/FunctionTracer.h
new file mode 100644
index 0000000000..3431ad771f
--- /dev/null
+++ b/headers/private/shared/FunctionTracer.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright © 2008 Stephan Aßmus <superstippi@gmx.de>
+ * All rights reserved. Distributed under the terms of the MIT/X11 license.
+ */
+#ifndef FUNCTION_TRACER_H
+#define FUNCTION_TRACER_H
+
+#include <stdio.h>
+
+#include <String.h>
+
+namespace BPrivate {
+
+class FunctionTracer {
+public:
+	FunctionTracer(const char* className, const char* functionName,
+			int32& depth)
+		: fFunctionName(),
+		  fPrepend(),
+		  fFunctionDepth(depth)
+	{
+		fFunctionDepth++;
+		fPrepend.Append(' ', fFunctionDepth * 2);
+		fFunctionName << className << "::" << functionName << "()";
+
+		printf("%s%s {\n", fPrepend.String(), fFunctionName.String());
+	}
+
+	 ~FunctionTracer()
+	{
+//		printf("%s - leave\n", fFunctionName.String());
+		printf("%s}\n", fPrepend.String());
+		fFunctionDepth--;
+	}
+
+private:
+	BString	fFunctionName;
+	BString	fPrepend;
+	int32&	fFunctionDepth;
+};
+
+}	// namespace BPrivate
+
+using BPrivate::FunctionTracer;
+
+#endif // FUNCTION_TRACER_H