srcanamdw/codescanner/scripts/CommonFunctions.py
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0:509e4801c378 1:22878952f6e2
       
     1 # #################################################################
       
     2 # Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 # All rights reserved.
       
     4 # 
       
     5 # Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
       
     6 # 
       
     7 # * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
       
     8 # * 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.
       
     9 # * 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.
       
    10 # 
       
    11 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
       
    12 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 
       
    13 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
       
    14 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
       
    15 # 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.#
       
    16 #
       
    17 # CommonFunctions.py
       
    18 #
       
    19 # Some commonly used functions.
       
    20 #
       
    21 # #################################################################
       
    22 
       
    23 KReStringLeavingLine = "(\w*[a-z]\w*L(C*|D|P))\s*\(|ELeave|User::Leave|tream\s+<<|tream\s+>>"
       
    24 
       
    25 KReLeavingLine = re.compile(KReStringLeavingLine, re.VERBOSE)
       
    26 
       
    27 def isNonAlpha(char):
       
    28 	if (char >= 'A'):
       
    29 		if (char <= 'Z'):
       
    30 			return 0
       
    31 	if (char >= 'a'):
       
    32 		if (char <= 'z'):
       
    33 			return 0
       
    34 	if (char >= '0'):
       
    35 		if (char <= '9'):
       
    36 			return 0
       
    37 	return 1
       
    38 
       
    39 def TrimVariableName(var):
       
    40 	while (len(var) > 0) and (isNonAlpha(var[0])):
       
    41 		var = var[1:len(var)]
       
    42 	while (len(var) > 0) and (isNonAlpha(var[len(var)-1])):
       
    43 		var = var[0:len(var)-1]
       
    44 
       
    45 	if (len(var) > 0):
       
    46 		spaceIndex = var.find(" ")
       
    47 		if (spaceIndex <> -1):
       
    48 			cutVar = var[spaceIndex:]
       
    49 			return TrimVariableName(cutVar)
       
    50 	return var
       
    51 
       
    52 def GetBracketDepth(lines, currentline):
       
    53 	i = scanner.iCurrentMethodStart
       
    54 	bracketdepth = 0
       
    55 	while (i < currentline):
       
    56 		thisline = lines[i]
       
    57 		commentBegin = thisline.find("//")
       
    58 		if (commentBegin != -1):
       
    59 			thisline = thisline[:commentBegin]
       
    60 		bracketdepth += thisline.count("{")
       
    61 		bracketdepth -= thisline.count("}")
       
    62 		i = i + 1
       
    63 
       
    64 	return bracketdepth	
       
    65 
       
    66 varDeclaration = re.compile("""
       
    67 	\s*					# whitespace
       
    68 	([A-Z]\w*)			# variable type
       
    69 	\s*             	# whitespace
       
    70 	(<.*>)?				# optional class in angle brackets
       
    71 	\s*[\*&\s]\s*		# optional "*" or "&" plus at least one whitespace char
       
    72 	(\w+)				# variable name
       
    73 	\s*             	# whitespace
       
    74 	[;\(=]				# ";" or "(" or "="
       
    75 	""", re.VERBOSE)
       
    76 
       
    77 def GetLocalVariableType(lines, currentline, varname):
       
    78 	# skip non-local object
       
    79 	if (len(varname) > 2):
       
    80 		if (varname[0] == 'i'):
       
    81 			return ""
       
    82 
       
    83 	# lookup type of local variable or function parameter
       
    84 	if (scanner.iCurrentMethodStart <> -1):
       
    85 		i = scanner.iCurrentMethodStart
       
    86 		while (i < currentline):
       
    87 			line = lines[i]
       
    88 			if (line.find(varname) <> -1):
       
    89 				# look up variable declaration
       
    90 				m = varDeclaration.search(line)
       
    91 				if m:
       
    92 					# return variable type
       
    93 					return m.group(1)
       
    94 			i = i + 1
       
    95 	return ""