scripts/check_sparse.py

   1 #! /usr/bin/env python3
   2
   3 # Invoke sparse based on the contents of compile_commands.json
   4
   5 import json
   6 import subprocess
   7 import sys
   8 import shlex
   9
  10 def extract_cflags(shcmd):
  11     cflags = shlex.split(shcmd)
  12     return [x for x in cflags
  13             if x.startswith('-D') or x.startswith('-I') or x.startswith('-W')
  14                or x.startswith('-std=')]
  15
  16 cflags = sys.argv[1:-1]
  17 with open(sys.argv[-1], 'r') as fd:
  18     compile_commands = json.load(fd)
  19
  20 for cmd in compile_commands:
  21     cmd = ['sparse'] + cflags + extract_cflags(cmd['command']) + [cmd['file']]
  22     print(' '.join((shlex.quote(x) for x in cmd)))
  23     r = subprocess.run(cmd)
  24     if r.returncode != 0:
  25         sys.exit(r.returncode)