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#!/usr/bin/python3
import re
import io
definitionSet = set()
definitionToSourceLocationMap = dict()
definitionToTypeMap = dict()
touchedMap = dict()
excludeSet = set()
sourceLocationSet = set()
# clang does not always use exactly the same numbers in the type-parameter vars it generates
# so I need to substitute them to ensure we can match correctly.
normalizeTypeParamsRegex = re.compile(r"type-parameter-\d+-\d+")
def normalizeTypeParams( line ):
return normalizeTypeParamsRegex.sub("type-parameter-?-?", line)
with io.open("workdir/loplugin.fieldcanbelocal.log", "r", buffering=1024*1024) as txt:
for line in txt:
tokens = line.strip().split("\t")
if tokens[0] == "definition:":
fieldInfo = (normalizeTypeParams(tokens[1]), tokens[2])
fieldType = tokens[3]
srcLoc = tokens[4]
# ignore external source code
if srcLoc.startswith("external/"):
continue
# ignore build folder
if srcLoc.startswith("workdir/"):
continue
definitionSet.add(fieldInfo)
definitionToTypeMap[fieldInfo] = fieldType
definitionToSourceLocationMap[fieldInfo] = srcLoc
elif tokens[0] == "touched:":
fieldInfo = (normalizeTypeParams(tokens[1]), tokens[2])
touchedByFunction = normalizeTypeParams(tokens[3])
touchedByFunctionSrcLoc = tokens[4]
if fieldInfo in excludeSet:
continue
if touchedByFunction == "Negative":
excludeSet.add(fieldInfo)
if fieldInfo in touchedMap:
touchedMap.pop(fieldInfo)
elif fieldInfo in touchedMap:
if touchedMap[fieldInfo] != touchedByFunction:
excludeSet.add(fieldInfo)
touchedMap.pop(fieldInfo)
else:
touchedMap[fieldInfo] = touchedByFunction
else:
print( "unknown line: " + line)
outputSet = set()
for d in definitionSet:
if not d in touchedMap:
continue
fieldType = definitionToTypeMap[d]
# ignore some types that are known false+
if (fieldType.startswith("std::unique_ptr<")
or fieldType == "std::mutex"
or "Mutex" in fieldType
or "union" in fieldType
or "anonymous namespace" in fieldType
or "unnamed struct" in fieldType):
continue
# ignore some field names that are known false+
if (d[1] == "mbDisposing"
or d[1] == "bInDispose"
or d[1] == "m_bDisposing"
or d[1].startswith("m_bIn")):
continue
srcLoc = definitionToSourceLocationMap[d]
# ignore some types in the system libraries we somehow pick up
if srcLoc.startswith(".") or srcLoc.startswith("/") or srcLoc.startswith("lib/"):
continue
# part of the URE
if srcLoc.startswith("include/cppuhelper/"):
continue
# on-disk structures
if srcLoc.startswith("hwpfilter/"):
continue
if srcLoc.startswith("include/osl/"):
continue
if srcLoc.startswith("include/sal/"):
continue
if srcLoc.startswith("sw/source/filter/ww8/ww8struc.hxx"):
continue
if srcLoc.startswith("sd/source/filter/ppt/ppt97animations.hxx"):
continue
if srcLoc.startswith("lotuswordpro/"):
continue
if srcLoc.startswith("include/filter/msfilter/svdfppt.hxx"):
continue
if srcLoc.startswith("filter/source/graphicfilter/icgm/chart.hxx"):
continue
# most of this code is only compiled on windows, so we don't have decent results
if srcLoc.startswith("include/svl/svdde.hxx"):
continue
touchedByFunction = touchedMap[d]
outputSet.add((d[0] + " " + d[1] + " " + definitionToTypeMap[d], srcLoc, touchedByFunction))
# 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[1]) + [v[0]]
# sort results by name and line number
tmp1list = sorted(outputSet, key=lambda v: v_sort_key(v))
# print out the results
with open("compilerplugins/clang/fieldcanbelocal.results", "wt") as f:
for t in tmp1list:
f.write( t[1] + "\n" )
f.write( " " + t[0] + "\n" )
f.write( " " + t[2] + "\n" )
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