compilerplugins/clang/finalclasses.py

   1 #!/usr/bin/python
   2
   3 import re
   4 import sys
   5
   6 definitionSet = set()
   7 inheritFromSet = set()
   8 definitionToFileDict = {}
   9
  10 with open("workdir/loplugin.finalclasses.log") as txt:
  11     for line in txt:
  12         tokens = line.strip().split("\t")
  13
  14         if len(tokens) == 1:
  15             pass
  16
  17         elif tokens[0] == "definition:":
  18             clazzName = tokens[1]
  19             # the 1.. is so we skip the leading /
  20             fileName  = tokens[2][1:]
  21             definitionSet.add(clazzName)
  22             definitionToFileDict[clazzName] = fileName
  23
  24         elif tokens[0] == "inherited-from:":
  25             parent = tokens[1]
  26             if (parent.startswith("class ")):
  27                 parent = parent[6:]
  28             elif (parent.startswith("struct ")):
  29                 parent = parent[7:]
  30             inheritFromSet.add(parent);
  31
  32         else:
  33             print( "unknown line: " + line)
  34
  35 tmpset = set()
  36 for clazz in sorted(definitionSet - inheritFromSet):
  37     file = definitionToFileDict[clazz]
  38     # ignore classes defined inside compilation units, the compiler knows they are final already
  39     if (".cxx" in file): continue
  40     # ignore test and external code
  41     if ("/qa/" in file): continue
  42     if (file.startswith("workdir/")): continue
  43     tmpset.add((clazz, file))
  44
  45 # sort the results using a "natural order" so sequences like [item1,item2,item10] sort nicely
  46 def natural_sort_key(s, _nsre=re.compile('([0-9]+)')):
  47     return [int(text) if text.isdigit() else text.lower()
  48             for text in re.split(_nsre, s)]
  49 def sort_set_by_natural_key(s):
  50     return sorted(s, key=lambda v: natural_sort_key(v[1]))
  51
  52 # print output, sorted by name and line number
  53 with open("compilerplugins/clang/finalclasses.results", "wt") as f:
  54     for t in sort_set_by_natural_key(tmpset):
  55         f.write(t[1] + "\n")
  56         f.write("    " + t[0] + "\n")
  57