bin/find-unused-typedefs.py

   1 #!/usr/bin/python3
   2
   3 import subprocess
   4
   5 # find typedefs, excluding the externals folder
   6 a = subprocess.Popen("git grep -P 'typedef\\s+.+\\s+\\w+;' -- \"[!e][!x][!t]*\"", stdout=subprocess.PIPE, shell=True)
   7
   8 # parse out the typedef names
   9 typedefSet = set()
  10 with a.stdout as txt:
  11     for line in txt:
  12         idx2 = line.rfind(b";")
  13         idx1 = line.rfind(b" ", 0, idx2)
  14         typedefName = line[idx1+1 : idx2]
  15         if typedefName.startswith(b"*"):
  16            typedefName = typedefName[1:]
  17         # ignore anything less than 5 characters, it's probably a parsing error
  18         if len(typedefName) < 5: continue
  19         typedefSet.add(typedefName)
  20
  21 for typedefName in sorted(typedefSet):
  22     print(b"checking: " + typedefName)
  23     a = subprocess.Popen(["git", "grep", "-wn", typedefName], stdout=subprocess.PIPE)
  24     foundLine2 = b""
  25     cnt = 0
  26     with a.stdout as txt2:
  27         for line2 in txt2:
  28             cnt = cnt + 1
  29             foundLine2 += line2
  30             if cnt > 2: break
  31     a.kill()
  32     if cnt == 1:
  33         print(b"remove: " + foundLine2)
  34     elif cnt == 2:
  35         print(b"inline: " + foundLine2)
  36