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#!/usr/bin/python3
import re
import io
definitionSet = set()
readFromSet = set()
writeToSet = set()
defToTypeMap = dict()
def parseFieldInfo( tokens ):
return (tokens[1].strip(), tokens[2].strip())
with io.open("workdir/loplugin.unusedvarsglobal.log", "r", buffering=16*1024*1024) as txt:
for line in txt:
try:
tokens = line.strip().split("\t")
if tokens[0] == "definition:":
srcLoc = tokens[3]
# ignore external source code
if (srcLoc.startswith("external/")):
continue
# ignore build folder
if (srcLoc.startswith("workdir/")):
continue
varname = tokens[1].strip()
vartype = tokens[2].strip()
if vartype.startswith("const "):
vartype = vartype[6:]
if vartype.startswith("class "):
vartype = vartype[6:]
if vartype.startswith("struct "):
vartype = vartype[7:]
if vartype.startswith("::"):
vartype = vartype[2:]
fieldInfo = (srcLoc, varname)
definitionSet.add(fieldInfo)
defToTypeMap[fieldInfo] = vartype
elif tokens[0] == "read:":
if len(tokens) == 3:
readFromSet.add(parseFieldInfo(tokens))
elif tokens[0] == "write:":
if len(tokens) == 3:
writeToSet.add(parseFieldInfo(tokens))
else:
print( "unknown line: " + line)
except IndexError:
print("problem with line " + line.strip())
raise
definitionSet2 = set()
for d in definitionSet:
varname = d[1]
vartype = defToTypeMap[d]
if len(varname) == 0:
continue
if varname.startswith("autoRegister"): # auto-generated CPPUNIT stuff
continue
if vartype in ["css::uno::ContextLayer", "SolarMutexGuard", "SolarMutexReleaser", "OpenGLZone"]:
continue
if vartype in ["PreDefaultWinNoOpenGLZone", "SchedulerGuard", "SkiaZone", "OpenGLVCLContextZone"]:
continue
if vartype in ["SwXDispatchProviderInterceptor::DispatchMutexLock_Impl", "SfxObjectShellLock", "OpenCLZone"]:
continue
if vartype in ["OpenCLInitialZone", "pyuno::PyThreadDetach", "SortRefUpdateSetter", "oglcanvas::TransformationPreserver"]:
continue
if vartype in ["StackHack", "osl::MutexGuard", "accessibility::SolarMethodGuard"]:
continue
if vartype in ["osl::ClearableMutexGuard", "comphelper::OExternalLockGuard", "osl::Guard< ::osl::Mutex>"]:
continue
if vartype in ["comphelper::OContextEntryGuard", "Guard<class osl::Mutex>", "basic::LibraryContainerMethodGuard"]:
continue
if vartype in ["canvas::CanvasBase::MutexType"]:
continue
definitionSet2.add(d)
# Calculate untouched
untouchedSet = set()
for d in definitionSet2:
if d in readFromSet or d in writeToSet:
continue
varname = d[1]
if len(varname) == 0:
continue
untouchedSet.add(d)
writeonlySet = set()
for d in definitionSet2:
if d in readFromSet or d in untouchedSet:
continue
varname = d[1]
vartype = defToTypeMap[d]
if "Alive" in varname:
continue
if "Keep" in varname:
continue
if vartype.endswith(" &"):
continue
writeonlySet.add(d)
readonlySet = set()
for d in definitionSet2:
if d in writeToSet or d in untouchedSet:
continue
varname = d[1]
vartype = defToTypeMap[d]
if "Dummy" in varname:
continue
if "Empty" in varname:
continue
if varname in ["aOldValue", "aNewValue"]:
continue
if "Exception" in vartype and vartype.endswith(" &"):
continue
if "exception" in vartype and vartype.endswith(" &"):
continue
# TODO for now, focus on the simple stuff
if vartype not in ["rtl::OUString", "Bool"]:
continue
readonlySet.add(d)
# sort the results using a "natural order" so sequences like [item1,item2,item10] sort nicely
def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
return [int(text) if text.isdigit() else text.lower()
for text in re.split(_nsre, s)]
# sort by both the source-line and the datatype, so the output file ordering is stable
# when we have multiple items on the same source line
def v_sort_key(v):
return natural_sort_key(v[0]) + [v[1]]
# sort results by name and line number
tmp1list = sorted(untouchedSet, key=lambda v: v_sort_key(v))
tmp2list = sorted(writeonlySet, key=lambda v: v_sort_key(v))
tmp3list = sorted(readonlySet, key=lambda v: v_sort_key(v))
# print out the results
with open("compilerplugins/clang/unusedvarsglobal.untouched.results", "wt") as f:
for t in tmp1list:
f.write( t[0] + "\n" )
f.write( " " + defToTypeMap[t] + " " + t[1] + "\n" )
with open("compilerplugins/clang/unusedvarsglobal.writeonly.results", "wt") as f:
for t in tmp2list:
f.write( t[0] + "\n" )
f.write( " " + defToTypeMap[t] + " " + t[1] + "\n" )
with open("compilerplugins/clang/unusedvarsglobal.readonly.results", "wt") as f:
for t in tmp3list:
f.write( t[0] + "\n" )
f.write( " " + defToTypeMap[t] + " " + t[1] + "\n" )
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