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#!/usr/bin/env python3
"""
Fixes compilation database used by run-clang-tidy.py on Windows.
"""
import getopt
import json
import os
import re
import shlex
import sys
def print_help():
print("\n"
"Fix compilation database used by run-clang-tidy.py on Windows.\n"
"\n"
" --help prints this message\n"
" --compile-db=<path> specify the path to compilation database.\n"
" Defaults to build/compile_commands.json\n")
def main(argv):
compile_db = "build/compile_commands.json"
try:
opts, args = getopt.getopt(argv, "", ["help", "compile-db="])
except getopt.GetoptError:
print_help()
return
for opt, arg in opts:
if opt == "--help":
print_help()
return
if opt == "--compile-db":
compile_db = arg
starts_with_drive_letter = re.compile("^/(\\w)/(.*)$")
data = None
with open(compile_db, 'r', encoding="utf-8") as fs:
data = json.load(fs)
for j in range(len(data)):
directory = data[j]["directory"]
command = shlex.split(data[j]["command"])
i = 0
while i < len(command):
if command[i].startswith("@"):
rsp_path = os.path.join(directory, command[i][1:])
with open(rsp_path, 'r', encoding="utf-8") as rsp:
newflags = shlex.split(rsp.read())
command = command[:i] + newflags + command[i + 1:]
i = i + len(newflags)
else:
match_result = starts_with_drive_letter.match(command[i])
if match_result:
command[i] = "{}:/{}".format(match_result.group(1),
match_result.group(2))
i = i + 1
data[j]["command"] = " ".join([shlex.quote(s) for s in command])
with open(compile_db, 'w', encoding="utf-8") as fs:
json.dump(data, fs, indent=2)
if __name__ == "__main__":
main(sys.argv[1:])
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