# #################################################################

# 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.#

#

# returndescriptoroutofscope.py

#

# Checks : Return descriptor out of scope.

#

# Reason : Returning a TBuf descriptor that is declared locally 

# takes it out of scope. This can cause a crash on WINSCW, although 

# not on WINS.

#

# #################################################################

script = CScript("returndescriptoroutofscope")

script.iReString = r"""

	TBuf

	\s*

	<

	[A-Za-z0-9]+

	>

	\s*

	"""

script.iFileExts = ["cpp"]

script.iCategory = KCategoryCanPanic

script.iIgnore = KIgnoreCommentsAndQuotes

script.iSeverity = KSeverityHigh

reReturnValue = re.compile("""

	return

	\s*

	""", re.VERBOSE)

reOpenCurlyBracket = re.compile("""

	{

	""", re.VERBOSE)

reCloseCurlyBracket = re.compile("""

	}

	""", re.VERBOSE)

def finddescriptor(line, descriptor):

	startindex = line.find(descriptor)

	if (startindex <> -1):

		if (line[startindex] == " "):

			if (line[startindex + len(descriptor)] == ";"):

				return 1

	return 0

def returnvaluecompare(lines, currentline, rematch, filename):

	line = lines[currentline]

	m = rematch.search(line)

	if m:

		startindex = line.find(">");

		endindex = line.find(";");

		if (startindex <> -1):

			descriptor = line[startindex+1:endindex]

			i = currentline

			bracketdepth = 1

			while (i+1 < len(lines)):

				i = i + 1

				line2 = lines[i]

				if reReturnValue.search(line2):

					if (finddescriptor(line2, descriptor)):

						return 1

				if reOpenCurlyBracket.search(line2):

					bracketdepth = bracketdepth + 1

				if reCloseCurlyBracket.search(line2):

					bracketdepth = bracketdepth - 1

					if (bracketdepth == 0):

						return 0

	return 0

script.iCompare	= returnvaluecompare

scanner.AddScript(script)