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import argparse
import json
import os
import re
import shutil
import sys
import subprocess
import yaml
def setup_script(args):
global tidy_config_validation
sys.path.append(os.path.dirname(args.config_validation_script))
import tidy_config_validation
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument("--testing-src", required=True)
parser.add_argument("--clang-tidy-bin", required=True)
parser.add_argument("--config-validation-script", required=True)
parser.add_argument("--ymake-python", required=True)
parser.add_argument("--tidy-json", required=True)
parser.add_argument("--source-root", required=True)
parser.add_argument("--build-root", required=True)
parser.add_argument("--default-config-file", required=True)
parser.add_argument("--project-config-file", required=True)
parser.add_argument("--export-fixes", required=True)
parser.add_argument("--checks", required=False, default="")
parser.add_argument("--header-filter", required=False, default=None)
return parser.parse_known_args()
def generate_compilation_database(clang_cmd, source_root, filename, path):
compile_database = [
{
"file": filename,
"command": subprocess.list2cmdline(clang_cmd),
"directory": source_root,
}
]
compilation_database_json = os.path.join(path, "compile_commands.json")
with open(compilation_database_json, "w") as afile:
json.dump(compile_database, afile)
return compilation_database_json
def load_profile(path):
if os.path.exists(path):
files = os.listdir(path)
if len(files) == 1:
with open(os.path.join(path, files[0])) as afile:
return json.load(afile)["profile"]
elif len(files) > 1:
return {
"error": "found several profile files: {}".format(files),
}
return {
"error": "profile file is missing",
}
def load_fixes(path):
if os.path.exists(path):
with open(path, 'r') as afile:
return afile.read()
else:
return ""
def is_generated(testing_src, build_root):
return testing_src.startswith(build_root)
def generate_outputs(output_json):
output_obj = os.path.splitext(output_json)[0] + ".o"
open(output_obj, "w").close()
open(output_json, "w").close()
def filter_configs(result_config, filtered_config):
with open(result_config, 'r') as afile:
input_config = yaml.safe_load(afile)
result_config = tidy_config_validation.filter_config(input_config)
with open(filtered_config, 'w') as afile:
yaml.safe_dump(result_config, afile)
def filter_cmd(cmd):
skip = True
for x in cmd:
if not skip:
yield x
if '/wrapcc.py' in x:
skip = False
def main():
args, clang_cmd = parse_args()
if '/wrapcc.py' in str(clang_cmd):
clang_cmd = list(filter_cmd(clang_cmd))
setup_script(args)
clang_tidy_bin = args.clang_tidy_bin
output_json = args.tidy_json
generate_outputs(output_json)
if is_generated(args.testing_src, args.build_root):
return
if args.header_filter is None:
# .pb.h files will be excluded because they are not in source_root
header_filter = r"^" + re.escape(os.path.dirname(args.testing_src)) + r".*"
else:
header_filter = r"^(" + args.header_filter + r").*"
def ensure_clean_dir(path):
path = os.path.join(args.build_root, path)
if os.path.exists(path):
shutil.rmtree(path)
os.makedirs(path)
return path
profile_tmpdir = ensure_clean_dir("profile_tmpdir")
db_tmpdir = ensure_clean_dir("db_tmpdir")
fixes_file = "fixes.txt"
config_dir = ensure_clean_dir("config_dir")
result_config_file = args.default_config_file
if args.project_config_file != args.default_config_file:
result_config = os.path.join(config_dir, "result_tidy_config.yaml")
filtered_config = os.path.join(config_dir, "filtered_tidy_config.yaml")
filter_configs(args.project_config_file, filtered_config)
result_config_file = tidy_config_validation.merge_tidy_configs(
base_config_path=args.default_config_file,
additional_config_path=filtered_config,
result_config_path=result_config,
)
compile_command_path = generate_compilation_database(clang_cmd, args.source_root, args.testing_src, db_tmpdir)
cmd = [
clang_tidy_bin,
args.testing_src,
"-p",
compile_command_path,
"--warnings-as-errors",
"*",
"--config-file",
result_config_file,
"--header-filter",
header_filter,
"--use-color",
"--enable-check-profile",
"--store-check-profile={}".format(profile_tmpdir),
]
if args.export_fixes == "yes":
cmd += ["--export-fixes", fixes_file]
if args.checks:
cmd += ["--checks", args.checks]
print("cmd: {}".format(' '.join(cmd)))
res = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = res.communicate()
out = out.replace(args.source_root, "$(SOURCE_ROOT)")
profile = load_profile(profile_tmpdir)
testing_src = os.path.relpath(args.testing_src, args.source_root)
tidy_fixes = load_fixes(fixes_file)
with open(output_json, "wb") as afile:
json.dump(
{
"file": testing_src,
"exit_code": res.returncode,
"profile": profile,
"stderr": err,
"stdout": out,
"fixes": tidy_fixes,
},
afile,
)
if __name__ == "__main__":
main()
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