mirror of https://github.com/acidanthera/audk.git
199 lines
7.8 KiB
Python
199 lines
7.8 KiB
Python
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## @file
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# Detect unreferenced PCD and GUID/Protocols/PPIs.
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#
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# Copyright (c) 2019, Intel Corporation. All rights reserved.
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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'''
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DetectNotUsedItem
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'''
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import re
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import os
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import sys
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import argparse
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#
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# Globals for help information
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#
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__prog__ = 'DetectNotUsedItem'
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__version__ = '%s Version %s' % (__prog__, '0.1')
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__copyright__ = 'Copyright (c) 2019, Intel Corporation. All rights reserved.'
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__description__ = "Detect unreferenced PCD and GUID/Protocols/PPIs.\n"
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SectionList = ["LibraryClasses", "Guids", "Ppis", "Protocols", "Pcd"]
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class PROCESS(object):
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def __init__(self, DecPath, InfDirs):
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self.Dec = DecPath
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self.InfPath = InfDirs
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self.Log = []
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def ParserDscFdfInfFile(self):
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AllContentList = []
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for File in self.SearchbyExt([".dsc", ".fdf", ".inf"]):
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AllContentList += self.ParseDscFdfInfContent(File)
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return AllContentList
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# Search File by extension name
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def SearchbyExt(self, ExtList):
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FileList = []
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for path in self.InfPath:
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if type(ExtList) == type(''):
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for root, _, files in os.walk(path, topdown=True, followlinks=False):
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for filename in files:
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if filename.endswith(ExtList):
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FileList.append(os.path.join(root, filename))
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elif type(ExtList) == type([]):
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for root, _, files in os.walk(path, topdown=True, followlinks=False):
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for filename in files:
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for Ext in ExtList:
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if filename.endswith(Ext):
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FileList.append(os.path.join(root, filename))
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return FileList
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# Parse DEC file to get Line number and Name
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# return section name, the Item Name and comments line number
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def ParseDecContent(self):
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SectionRE = re.compile(r'\[(.*)\]')
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Flag = False
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Comments = {}
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Comment_Line = []
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ItemName = {}
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with open(self.Dec, 'r') as F:
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for Index, content in enumerate(F):
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NotComment = not content.strip().startswith("#")
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Section = SectionRE.findall(content)
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if Section and NotComment:
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Flag = self.IsNeedParseSection(Section[0])
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if Flag:
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Comment_Line.append(Index)
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if NotComment:
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if content != "\n" and content != "\r\n":
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ItemName[Index] = content.split('=')[0].split('|')[0].split('#')[0].strip()
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Comments[Index] = Comment_Line
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Comment_Line = []
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return ItemName, Comments
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def IsNeedParseSection(self, SectionName):
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for item in SectionList:
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if item in SectionName:
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return True
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return False
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# Parse DSC, FDF, INF File, remove comments, return Lines list
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def ParseDscFdfInfContent(self, File):
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with open(File, 'r') as F:
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lines = F.readlines()
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for Index in range(len(lines) - 1, -1, -1):
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if lines[Index].strip().startswith("#") or lines[Index] == "\n" or lines[Index] == "\r\n":
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lines.remove(lines[Index])
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elif "#" in lines[Index]:
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lines[Index] = lines[Index].split("#")[0].strip()
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else:
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lines[Index] = lines[Index].strip()
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return lines
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def DetectNotUsedItem(self):
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NotUsedItem = {}
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DecItem, DecComments = self.ParseDecContent()
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InfDscFdfContent = self.ParserDscFdfInfFile()
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for LineNum in list(DecItem.keys()):
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DecItemName = DecItem[LineNum]
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Match_reg = re.compile("(?<![a-zA-Z0-9_-])%s(?![a-zA-Z0-9_-])" % DecItemName)
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MatchFlag = False
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for Line in InfDscFdfContent:
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if Match_reg.search(Line):
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MatchFlag = True
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break
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if not MatchFlag:
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NotUsedItem[LineNum] = DecItemName
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self.Display(NotUsedItem)
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return NotUsedItem, DecComments
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def Display(self, UnuseDict):
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print("DEC File:\n%s\n%s%s" % (self.Dec, "{:<15}".format("Line Number"), "{:<0}".format("Unused Item")))
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self.Log.append(
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"DEC File:\n%s\n%s%s\n" % (self.Dec, "{:<15}".format("Line Number"), "{:<0}".format("Unused Item")))
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for num in list(sorted(UnuseDict.keys())):
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ItemName = UnuseDict[num]
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print("%s%s%s" % (" " * 3, "{:<12}".format(num + 1), "{:<1}".format(ItemName)))
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self.Log.append(("%s%s%s\n" % (" " * 3, "{:<12}".format(num + 1), "{:<1}".format(ItemName))))
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def Clean(self, UnUseDict, Comments):
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removednum = []
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for num in list(UnUseDict.keys()):
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if num in list(Comments.keys()):
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removednum += Comments[num]
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with open(self.Dec, 'r') as Dec:
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lines = Dec.readlines()
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try:
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with open(self.Dec, 'w+') as T:
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for linenum in range(len(lines)):
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if linenum in removednum:
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continue
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else:
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T.write(lines[linenum])
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print("DEC File has been clean: %s" % (self.Dec))
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except Exception as err:
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print(err)
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class Main(object):
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def mainprocess(self, Dec, Dirs, Isclean, LogPath):
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for dir in Dirs:
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if not os.path.exists(dir):
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print("Error: Invalid path for '--dirs': %s" % dir)
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sys.exit(1)
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Pa = PROCESS(Dec, Dirs)
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unuse, comment = Pa.DetectNotUsedItem()
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if Isclean:
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Pa.Clean(unuse, comment)
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self.Logging(Pa.Log, LogPath)
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def Logging(self, content, LogPath):
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if LogPath:
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try:
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if os.path.isdir(LogPath):
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FilePath = os.path.dirname(LogPath)
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if not os.path.exists(FilePath):
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os.makedirs(FilePath)
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with open(LogPath, 'w+') as log:
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for line in content:
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log.write(line)
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print("Log save to file: %s" % LogPath)
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except Exception as e:
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print("Save log Error: %s" % e)
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def main():
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parser = argparse.ArgumentParser(prog=__prog__,
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description=__description__ + __copyright__,
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conflict_handler='resolve')
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parser.add_argument('-i', '--input', metavar="", dest='InputDec', help="Input DEC file name.")
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parser.add_argument('--dirs', metavar="", action='append', dest='Dirs',
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help="The package directory. To specify more directories, please repeat this option.")
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parser.add_argument('--clean', action='store_true', default=False, dest='Clean',
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help="Clean the unreferenced items from DEC file.")
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parser.add_argument('--log', metavar="", dest="Logfile", default=False,
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help="Put log in specified file as well as on console.")
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options = parser.parse_args()
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if options.InputDec:
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if not (os.path.exists(options.InputDec) and options.InputDec.endswith(".dec")):
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print("Error: Invalid DEC file input: %s" % options.InputDec)
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if options.Dirs:
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M = Main()
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M.mainprocess(options.InputDec, options.Dirs, options.Clean, options.Logfile)
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else:
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print("Error: the following argument is required:'--dirs'.")
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else:
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print("Error: the following argument is required:'-i/--input'.")
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if __name__ == '__main__':
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main()
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