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:
  19             continue
  20         typedefSet.add(typedefName)
  21
  22 for typedefName in sorted(typedefSet):
  23     print(b"checking: " + typedefName)
  24     a = subprocess.Popen(["git", "grep", "-wn", typedefName], stdout=subprocess.PIPE)
  25     foundLine2 = b""
  26     cnt = 0
  27     with a.stdout as txt2:
  28         for line2 in txt2:
  29             cnt = cnt + 1
  30             foundLine2 += line2
  31             if cnt > 2:
  32                 break
  33     a.kill()
  34     if cnt == 1:
  35         print(b"remove: " + foundLine2)
  36     elif cnt == 2:
  37         print(b"inline: " + foundLine2)
  38