--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srcanamdw/codescanner/scripts/multipleinheritance.py	Thu Feb 18 12:29:02 2010 +0530
@@ -0,0 +1,83 @@
+# #################################################################
+# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+# All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+# 
+# * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+# * Neither the name of Nokia Corporation nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.#
+#
+# multipleinheritance.py
+#
+# Checks : Non M-class multiple inheritance.
+#
+# Reason : It is bad Symbian OS practice to derive from two classes 
+# that have implemented functions. Complex behaviour that was not 
+# intended can result.
+#
+# #################################################################
+
+script = CScript("multipleinheritance")
+script.iReString = r"""
+	^\s*
+	class
+	\s+
+	(\w+::)?
+	(\w+)
+	\s*
+	:
+	(.*)"""
+script.iFileExts = ["h", "cpp"]
+script.iCategory = KCategoryWrongFunctionality
+script.iIgnore = KIgnoreCommentsAndQuotes
+script.iSeverity = KSeverityMedium
+
+def classcompare(lines, currentline, rematch, filename):
+	m = rematch.search(lines[currentline])
+	if m:
+		className = m.group(2)
+		if className[0] <> "C" or (len(className) == 1) or not className[1].isupper():
+			return 0
+
+		inheritanceString = m.group(3)
+		i = currentline + 1
+		while (inheritanceString.find("{") == -1) and i < len(lines):
+			if (inheritanceString.find(";") <> -1):
+				return 0
+			inheritanceString += lines[i]
+			i += 1
+		
+		inheritancelist = inheritanceString.split(",")
+
+		reclass = re.compile("[\s:]*(public|protected|private)?\s*([\w:]+)")
+		classlist = []
+		for inheritance in inheritancelist:
+			match = reclass.search(inheritance)
+			if match:
+				inheritclass = match.group(2)
+				colonpos = inheritclass.rfind(":")
+				if (colonpos <> -1):
+					inheritclass = inheritclass[colonpos + 1:]
+				classlist.append(inheritclass)
+
+		ccount = 0
+		for classname in classlist:
+			if (len(classname) > 2) and classname[0] == "C" and classname[1].isupper():
+				ccount += 1
+				
+		if ccount > 1:
+			return 1
+		else:
+			return 0
+	else:
+		return 0
+
+script.iCompare = classcompare
+scanner.AddScript(script)