iwyu.py

#!/usr/bin/env python

import json
import subprocess
import sys
 
def run(cmd):
    stringCmd = u" ".join(cmd)
    subprocess.call(stringCmd, shell=True)
 
def runIWYU(wd, args):
    cmd = basecmd[:]
    cmd.extend(args)
    run(cmd)
 
f = open("build/compile_commands.json", "r")
tunits = json.load(f)
 
extraArg = u" ".join([u"-Xiwyu " + x for x in sys.argv[1:]])
 
basecmd = [u"include-what-you-use", u"-Xiwyu", u"--verbose=2", extraArg]
 
for tu in tunits:
    oldDriver = tu["command"].split(None)[0]
    cmd = tu["command"].replace(oldDriver, u"")
    runIWYU(tu["directory"], [cmd])