Add a lint target for clang-tidy

... using the already-committed configuration file and the
version of clang-tidy that was imported from the toolchain.

1 files changed, 53 insertions, 0 deletions

diff --git a/lint/run_clang_tidy.py b/lint/run_clang_tidy.py
new file mode 100755
index 00000000..3fb8a595
--- /dev/null
+++ b/lint/run_clang_tidy.py
@@ -0,0 +1,53 @@
+#!/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
+
+
+def dump_meta(src, cmd):
+    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, cmd):
+    dump_meta(src, cmd)
+    config = os.environ.get("CONFIG")
+    shutil.copyfile(os.path.join(config, ".clang-tidy"), ".clang-tidy")
+    extra = ["-Wno-unused-command-line-argument"]
+    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-tidy"),
+        src,
+    ]
+    print("Running cmd %r with db %r" % (new_cmd, db), file=sys.stderr)
+    return subprocess.run(new_cmd).returncode
+
+
+if __name__ == "__main__":
+    sys.exit(run_lint(sys.argv[1], sys.argv[2:]))