ccd_to_cppprop.py

#!/usr/bin/env python

import json
import sys
import re
import subprocess

incdirs = set()

with open("compile_commands.json") as fp:
    cc = json.load(fp)
    for comp in cc:
        for inc in re.findall(r"-I(/\S+)", comp[u'command']):
            incdirs.add(inc)

clangout = subprocess.check_output("clang++ -E -x c++ - -v < /dev/null 2>&1", shell=True)
for line in clangout:
    for inc in re.findall(r" (/Appl.*include)", line):
        incdirs.add(inc)

with open(".vscode/c_cpp_properties.json") as fp:
    props = json.load(fp)
    for idx, conf in enumerate(props[u'configurations']):
        if conf[u'name'] == u'Mac':
            props[u'configurations'][idx]['includePath'] = list(incdirs)

with open(".vscode/c_cpp_properties.json", 'w') as fp:
    json.dump(props, fp, indent=True)