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#!/usr/bin/env python3
# Copyright 2025 Huawei Cloud Computing Technology Co., Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
import os
import shutil
import subprocess
import sys
from typing import List
def dump_meta(src: str, cmd: List[str]) -> None:
"""Dump linter action metadata for further analysis."""
OUT = os.environ.get("OUT")
if OUT:
with open(os.path.join(OUT, "config.json"), "w") as f:
json.dump({"src": src, "cmd": cmd}, f)
def run_lint(src: str, cmd: List[str]) -> int:
"""Run the lint command for the specified source file."""
dump_meta(src, cmd)
CONFIG = os.environ.get("CONFIG")
if CONFIG is None:
print("Failed to get CONFIG", file=sys.stderr)
return 1
shutil.copyfile(os.path.join(CONFIG, ".clang-format"), ".clang-format")
extra = []
if src.endswith(".tpp"):
extra = ["-x", "c++"]
db = [{
"directory": os.getcwd(),
"arguments": cmd[:1] + extra + cmd[1:],
"file": src
}]
with open("compile_commands.json", "w") as f:
json.dump(db, f)
new_cmd = [
os.path.join(CONFIG, "toolchain", "bin", "clang-format"),
"-style=file",
src,
]
OUT = os.environ.get("OUT")
if OUT is None:
print("Failed to get OUT", file=sys.stderr)
sys.exit(1)
formatted = os.path.join(OUT, "formatted")
with open(formatted, "w") as f:
print("Running cmd %r with db %r" % (new_cmd, db), file=sys.stderr)
res = subprocess.run(new_cmd, stdout=f).returncode
if res != 0:
return res
return subprocess.run(["diff", "-u", src, formatted]).returncode
if __name__ == "__main__":
sys.exit(run_lint(sys.argv[1], sys.argv[2:]))
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