office-gobmx/compilerplugins/clang/countusersofdefaultparams.py
Noel Grandin 0acbfd466a loplugin, remove unnecessary filtering in post-processing
removing things that point to the same source location is only really
necessary for the method-based analyses, the other's dont need it, and
it can hide stuff we are interested in

Change-Id: Ib5c3b4c2ed4011c158a199fcd08096285976b831
2018-11-21 12:14:35 +02:00

79 lines
3 KiB
Python
Executable file

#!/usr/bin/python
import sys
import re
import io
definitionToSourceLocationMap = dict()
callDict = dict()
# 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.
normalizeTypeParamsRegex1 = re.compile(r"type-parameter-\d+-\d+")
normalizeTypeParamsRegex2 = re.compile(r"typename enable_if<.*")
def normalizeTypeParams( line ):
line = normalizeTypeParamsRegex1.sub("type-parameter-?-?", line)
return normalizeTypeParamsRegex2.sub("type-parameter-?-?", line)
with io.open("workdir/loplugin.countusersofdefaultparams.log", "rb", buffering=1024*1024) as txt:
for line in txt:
tokens = line.strip().split("\t")
if tokens[0] == "defn:":
access = tokens[1]
returnType = tokens[2]
nameAndParams = tokens[3]
sourceLocation = tokens[4]
funcInfo = normalizeTypeParams(returnType) + " " + normalizeTypeParams(nameAndParams)
definitionToSourceLocationMap[funcInfo] = sourceLocation
if not funcInfo in callDict:
callDict[funcInfo] = set()
elif tokens[0] == "call:":
returnType = tokens[1]
nameAndParams = tokens[2]
sourceLocationOfCall = tokens[3]
funcInfo = normalizeTypeParams(returnType) + " " + normalizeTypeParams(nameAndParams)
if not funcInfo in callDict:
callDict[funcInfo] = set()
callDict[funcInfo].add(sourceLocationOfCall)
else:
print( "unknown line: " + line)
tmp1list = list()
for k,v in callDict.iteritems():
if len(v) >= 1:
continue
# created by macros
if k.endswith("::RegisterInterface(class SfxModule *)"):
continue
if k.endswith("::RegisterChildWindow(_Bool,class SfxModule *,enum SfxChildWindowFlags)"):
continue
if k.endswith("::RegisterChildWindowContext(unsigned short,class SfxModule *)"):
continue
if k.endswith("::RegisterControl(unsigned short,class SfxModule *)"):
continue
if k.endswith("::RegisterFactory(unsigned short)"):
continue
# windows-only stuff
if "ShutdownIcon::OpenURL" in k:
continue
# template magic
if k.startswith("void VclPtr::VclPtr(const VclPtr<type-parameter-?-?> &,typename UpCast<"):
continue
if k in definitionToSourceLocationMap:
tmp1list.append((k, definitionToSourceLocationMap[k]))
# 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 results by name and line number
tmp1list.sort(key=lambda v: natural_sort_key(v[1]))
# print out the results
with open("loplugin.countusersofdefaultparams.report", "wt") as f:
for t in tmp1list:
f.write(t[1] + "\n")
f.write(" " + t[0] + "\n")