compilerplugins/clang/countusersofdefaultparams.py

   1 #!/usr/bin/python
   2
   3 import sys
   4 import re
   5 import io
   6
   7 definitionToSourceLocationMap = dict()
   8 callDict = dict()
   9
  10 # clang does not always use exactly the same numbers in the type-parameter vars it generates
  11 # so I need to substitute them to ensure we can match correctly.
  12 normalizeTypeParamsRegex1 = re.compile(r"type-parameter-\d+-\d+")
  13 normalizeTypeParamsRegex2 = re.compile(r"typename enable_if<.*")
  14 def normalizeTypeParams( line ):
  15     line = normalizeTypeParamsRegex1.sub("type-parameter-?-?", line)
  16     return normalizeTypeParamsRegex2.sub("type-parameter-?-?", line)
  17
  18 with io.open("workdir/loplugin.countusersofdefaultparams.log", "rb", buffering=1024*1024) as txt:
  19     for line in txt:
  20         tokens = line.strip().split("\t")
  21         if tokens[0] == "defn:":
  22             access = tokens[1]
  23             returnType = tokens[2]
  24             nameAndParams = tokens[3]
  25             sourceLocation = tokens[4]
  26             funcInfo = normalizeTypeParams(returnType) + " " + normalizeTypeParams(nameAndParams)
  27             definitionToSourceLocationMap[funcInfo] = sourceLocation
  28             if not funcInfo in callDict:
  29                 callDict[funcInfo] = set()
  30         elif tokens[0] == "call:":
  31             returnType = tokens[1]
  32             nameAndParams = tokens[2]
  33             sourceLocationOfCall = tokens[3]
  34             funcInfo = normalizeTypeParams(returnType) + " " + normalizeTypeParams(nameAndParams)
  35             if not funcInfo in callDict:
  36                 callDict[funcInfo] = set()
  37             callDict[funcInfo].add(sourceLocationOfCall)
  38
  39 # Invert the definitionToSourceLocationMap.
  40 sourceLocationToDefinitionMap = {}
  41 for k, v in definitionToSourceLocationMap.iteritems():
  42     sourceLocationToDefinitionMap[v] = sourceLocationToDefinitionMap.get(v, [])
  43     sourceLocationToDefinitionMap[v].append(k)
  44
  45
  46 tmp1list = list()
  47 for k,v in callDict.iteritems():
  48     if len(v) >= 1:
  49         continue
  50     # created by macros
  51     if k.endswith("::RegisterInterface(class SfxModule *)"):
  52         continue
  53     if k.endswith("::RegisterChildWindow(_Bool,class SfxModule *,enum SfxChildWindowFlags)"):
  54         continue
  55     if k.endswith("::RegisterChildWindowContext(unsigned short,class SfxModule *)"):
  56         continue
  57     if k.endswith("::RegisterControl(unsigned short,class SfxModule *)"):
  58         continue
  59     if k.endswith("::RegisterFactory(unsigned short)"):
  60         continue
  61     # windows-only stuff
  62     if "ShutdownIcon::OpenURL" in k:
  63         continue
  64     # template magic
  65     if k.startswith("void VclPtr::VclPtr(const VclPtr<type-parameter-?-?> &,typename UpCast<"):
  66         continue
  67     if k in definitionToSourceLocationMap:
  68         tmp1list.append((k, definitionToSourceLocationMap[k]))
  69
  70 # sort the results using a "natural order" so sequences like [item1,item2,item10] sort nicely
  71 def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
  72     return [int(text) if text.isdigit() else text.lower()
  73             for text in re.split(_nsre, s)]
  74
  75 # sort results by name and line number
  76 tmp1list.sort(key=lambda v: natural_sort_key(v[1]))
  77
  78 # print out the results
  79 with open("loplugin.countusersofdefaultparams.report", "wt") as f:
  80     for t in tmp1list:
  81         f.write(t[1] + "\n")
  82         f.write("    " + t[0] + "\n")
  83
  84