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bitcoin/test/lint/lint-assertions.py

53 lines
1.5 KiB

#!/usr/bin/env python3
#
# Copyright (c) 2018-2022 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
#
# Check for assertions with obvious side effects.
import sys
import subprocess
def git_grep(params: [], error_msg: ""):
try:
output = subprocess.check_output(["git", "grep", *params], text=True, encoding="utf8")
print(error_msg)
print(output)
return 1
except subprocess.CalledProcessError as ex1:
if ex1.returncode > 1:
raise ex1
return 0
def main():
# PRE31-C (SEI CERT C Coding Standard):
# "Assertions should not contain assignments, increment, or decrement operators."
exit_code = git_grep([
"-E",
r"[^_]assert\(.*(\+\+|\-\-|[^=!<>]=[^=!<>]).*\);",
"--",
"*.cpp",
"*.h",
], "Assertions should not have side effects:")
# Aborting the whole process is undesirable for RPC code. So nonfatal
# checks should be used over assert. See: src/util/check.h
# src/rpc/server.cpp is excluded from this check since it's mostly meta-code.
exit_code |= git_grep([
"-nE",
r"\<(A|a)ss(ume|ert) *\(.*\);",
"--",
"src/rpc/",
"src/wallet/rpc*",
":(exclude)src/rpc/server.cpp",
], "CHECK_NONFATAL(condition) or NONFATAL_UNREACHABLE should be used instead of assert for RPC code.")
sys.exit(exit_code)
if __name__ == "__main__":
main()