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Merge bitcoin/bitcoin#24856: lint: Converting lint-assertions.sh to lint-assertions.py

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172c2333f03aecb4c347c791537e13c296adbde2 Porting lint-assertions.sh to lint-assertions.py (hiago)

Pull request description:

  This PR is converting `test/lint/lint-assertions.sh` to `test/lint/lint-assertions.py`. It's an item of #24783.

ACKs for top commit:
  laanwj:
    Tested ACK 172c2333f03aecb4c347c791537e13c296adbde2

Tree-SHA512: 94d5b03acfeaf2303fad95d489d6c3aa7bd655889ddaa807cc97e0613b8eb8f5ef094feee2a98d974606890deb554e76490a5c523d64eb5bc55afa6a43221aae
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laanwj 2022-04-25 19:41:15 +02:00 committed by pasta
parent e9f5b4b735
commit 3c44399d55
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2 changed files with 52 additions and 34 deletions
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52
test/lint/lint-assertions.py Executable file
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@ -0,0 +1,52 @@
#!/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], universal_newlines=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:")
# Macro CHECK_NONFATAL(condition) should be used instead of assert for RPC code, where it
# is undesirable to crash the whole program. 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)ssert *\(.*\);",
"--",
"src/rpc/",
"src/wallet/rpc*",
":(exclude)src/rpc/server.cpp"
], "CHECK_NONFATAL(condition) should be used instead of assert for RPC code.")
sys.exit(exit_code)
if __name__ == "__main__":
main()

34
test/lint/lint-assertions.sh
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@ -1,34 +0,0 @@
#!/usr/bin/env bash
#
# Copyright (c) 2018-2020 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.
export LC_ALL=C
EXIT_CODE=0
# PRE31-C (SEI CERT C Coding Standard):
# "Assertions should not contain assignments, increment, or decrement operators."
OUTPUT=$(git grep -E '[^_]assert\(.*(\+\+|\-\-|[^=!<>]=[^=!<>]).*\);' -- "*.cpp" "*.h")
if [[ ${OUTPUT} != "" ]]; then
echo "Assertions should not have side effects:"
echo
echo "${OUTPUT}"
EXIT_CODE=1
fi
# Macro CHECK_NONFATAL(condition) should be used instead of assert for RPC code, where it
# is undesirable to crash the whole program. See: src/util/check.h
# src/rpc/server.cpp is excluded from this check since it's mostly meta-code.
OUTPUT=$(git grep -nE '\<(A|a)ssert *\(.*\);' -- "src/rpc/" "src/wallet/rpc*" ":(exclude)src/rpc/server.cpp")
if [[ ${OUTPUT} != "" ]]; then
echo "CHECK_NONFATAL(condition) should be used instead of assert for RPC code."
echo
echo "${OUTPUT}"
EXIT_CODE=1
fi
exit ${EXIT_CODE}