16d9d1d112
I copied and modified the unusedfields plugin to find unused variables. Change-Id: I18ed6daa202da70a2e564e4fe4760aed7ce070ba Reviewed-on: https://gerrit.libreoffice.org/c/core/+/100891 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
119 lines
4.1 KiB
Python
Executable File
119 lines
4.1 KiB
Python
Executable File
#!/usr/bin/python2
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import sys
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import re
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import io
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definitionSet = set()
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readFromSet = set()
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writeToSet = set()
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defToTypeMap = dict()
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def parseFieldInfo( tokens ):
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return (tokens[1].strip(), tokens[2].strip())
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with io.open("workdir/loplugin.unusedvarsglobal.log", "rb", buffering=1024*1024) as txt:
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for line in txt:
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try:
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tokens = line.strip().split("\t")
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if tokens[0] == "definition:":
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srcLoc = tokens[3]
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# ignore external source code
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if (srcLoc.startswith("external/")):
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continue
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# ignore build folder
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if (srcLoc.startswith("workdir/")):
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continue
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varname = tokens[1].strip()
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vartype = tokens[2].strip()
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if vartype.startswith("const "):
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vartype = vartype[6:]
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if vartype.startswith("class "):
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vartype = vartype[6:]
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if vartype.startswith("struct "):
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vartype = vartype[7:]
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if vartype.startswith("::"):
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vartype = vartype[2:]
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fieldInfo = (srcLoc, varname)
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definitionSet.add(fieldInfo)
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defToTypeMap[fieldInfo] = vartype
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elif tokens[0] == "read:":
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if len(tokens) == 3:
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readFromSet.add(parseFieldInfo(tokens))
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elif tokens[0] == "write:":
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if len(tokens) == 3:
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writeToSet.add(parseFieldInfo(tokens))
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else:
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print( "unknown line: " + line)
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except IndexError:
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print "problem with line " + line.strip()
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raise
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definitionSet2 = set()
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for d in definitionSet:
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varname = d[1]
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vartype = defToTypeMap[d]
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if len(varname) == 0:
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continue
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if varname.startswith("autoRegister"): # auto-generated CPPUNIT stuff
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continue
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if vartype in ["css::uno::ContextLayer", "SolarMutexGuard", "SolarMutexReleaser", "OpenGLZone"]:
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continue
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if vartype in ["PreDefaultWinNoOpenGLZone", "SchedulerGuard", "SkiaZone", "OpenGLVCLContextZone"]:
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continue
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if vartype in ["SwXDispatchProviderInterceptor::DispatchMutexLock_Impl", "SfxObjectShellLock", "OpenCLZone"]:
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continue
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if vartype in ["OpenCLInitialZone", "pyuno::PyThreadDetach", "SortRefUpdateSetter", "oglcanvas::TransformationPreserver"]:
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continue
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if vartype in ["StackHack"]:
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continue
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definitionSet2.add(d)
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# Calculate untouched
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untouchedSet = set()
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for d in definitionSet2:
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if d in readFromSet or d in writeToSet:
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continue
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varname = d[1]
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if len(varname) == 0:
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continue
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untouchedSet.add(d)
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writeonlySet = set()
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for d in definitionSet2:
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if d in readFromSet or d in untouchedSet:
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continue
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writeonlySet.add(d)
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readonlySet = set()
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for d in definitionSet2:
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if d in writeToSet or d in untouchedSet:
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continue
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readonlySet.add(d)
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# sort the results using a "natural order" so sequences like [item1,item2,item10] sort nicely
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def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
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return [int(text) if text.isdigit() else text.lower()
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for text in re.split(_nsre, s)]
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# sort results by name and line number
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tmp1list = sorted(untouchedSet, key=lambda v: natural_sort_key(v[0]))
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tmp2list = sorted(writeonlySet, key=lambda v: natural_sort_key(v[0]))
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tmp3list = sorted(readonlySet, key=lambda v: natural_sort_key(v[0]))
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# print out the results
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with open("compilerplugins/clang/unusedvarsglobal.untouched.results", "wt") as f:
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for t in tmp1list:
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f.write( t[0] + "\n" )
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f.write( " " + defToTypeMap[t] + " " + t[1] + "\n" )
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with open("compilerplugins/clang/unusedvarsglobal.writeonly.results", "wt") as f:
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for t in tmp2list:
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f.write( t[0] + "\n" )
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f.write( " " + defToTypeMap[t] + " " + t[1] + "\n" )
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with open("compilerplugins/clang/unusedvarsglobal.readonly.results", "wt") as f:
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for t in tmp3list:
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f.write( t[0] + "\n" )
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f.write( " " + defToTypeMap[t] + " " + t[1] + "\n" )
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