srcanamdw/codescanner/scripts/ifassignments.py
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     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 # ifassignments.py
       
    18 #
       
    19 # Checks : Assignment in an If statement.
       
    20 #
       
    21 # Reason : Assignments inside an If statement often indicate that 
       
    22 # the assignment was not intended. Even if the assignment was 
       
    23 # intended, it is clearer to separate out the assignment from the 
       
    24 # conditional. The script that detects such occurrences has a few 
       
    25 # false positives when the action statements are on the same line 
       
    26 # as the conditional check. However, this is also against the 
       
    27 # coding standards and the action should be on a separate line.
       
    28 #
       
    29 # #################################################################
       
    30 
       
    31 script = CScript("ifassignments")
       
    32 script.iReString = "^\s*if\s*\(\s*.*[A-Za-z0-9_]\s*=\s*[A-Za-z0-9_].*\)"
       
    33 script.iFileExts = ["h", "cpp", "c"]
       
    34 script.iCategory = KCategoryCodingStandards
       
    35 script.iIgnore = KIgnoreCommentsAndQuotes
       
    36 script.iSeverity = KSeverityLow
       
    37 
       
    38 scanner.AddScript(script)