Created
September 28, 2018 17:33
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import json | |
import sys | |
import os.path | |
from shutil import copyfile | |
from tempfile import mkstemp | |
import re | |
import subprocess | |
# These are simply removed from the overall command. | |
banned_sub_commands = ['\/nologo ', '\/showIncludes ', 'C:\\\\src\\\\goma\\\\goma-win64\/gomacc.exe '] | |
# Banned sub_dirs | |
# banned_sub_dirs = ["third_party"] | |
# These are the projects we want | |
_poi = [".*components.*"] | |
projects_of_interest = [re.compile(p) for p in _poi] | |
def bail(message): | |
print(message) | |
sys.exit(-1) | |
def main(): | |
# First of all lets generate the compile_commands file | |
proc = subprocess.Popen('ninja -C ./out/Default build_all -t compdb cxx cc', stdout=subprocess.PIPE) | |
lines = proc.stdout | |
values = [] | |
new_values = [] | |
try: | |
values=json.load(lines) | |
except ValueError: | |
bail("Problem loading JSON!") | |
# Go over all values. | |
for value in values: | |
# Remove banned sub commands | |
command = value["command"] | |
for banned_sub_command in banned_sub_commands: | |
command = re.sub(banned_sub_command,'',command) | |
value["command"] = command | |
# Correct the slashes in the main part of the command | |
for key in ["command", "file"]: | |
# Separate the string | |
parts = value[key].split() | |
parts[0] = re.sub("\/",'\\\\', parts[0]) | |
value[key] = " ".join(parts) | |
# Only keep values of interest. | |
if any(pattern.match(value["file"]) for pattern in projects_of_interest): | |
new_values.append(value) | |
with open("compile_commands.json", 'w+') as out_file: | |
json.dump(new_values, out_file, indent=4, separators=(',', ': ')) | |
if __name__ == "__main__": | |
main() |
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