llvm-capstone/llvm/utils/update_any_test_checks.py
Tobias Hieta b71edfaa4e
[NFC][Py Reformat] Reformat python files in llvm
This is the first commit in a series that will reformat
all the python files in the LLVM repository.

Reformatting is done with `black`.

See more information here:

https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style

Reviewed By: jhenderson, JDevlieghere, MatzeB

Differential Revision: https://reviews.llvm.org/D150545
2023-05-17 10:48:52 +02:00

132 lines
3.7 KiB
Python
Executable File

#!/usr/bin/env python3
"""Dispatch to update_*_test_checks.py scripts automatically in bulk
Given a list of test files, this script will invoke the correct
update_test_checks-style script, skipping any tests which have not previously
had assertions autogenerated.
"""
from __future__ import print_function
import argparse
import os
import re
import subprocess
import sys
from concurrent.futures import ThreadPoolExecutor
RE_ASSERTIONS = re.compile(
r"NOTE: Assertions have been autogenerated by ([^\s]+)( UTC_ARGS:.*)?$"
)
def find_utc_tool(search_path, utc_name):
"""
Return the path to the given UTC tool in the search path, or None if not
found.
"""
for path in search_path:
candidate = os.path.join(path, utc_name)
if os.path.isfile(candidate):
return candidate
return None
def run_utc_tool(utc_name, utc_tool, testname):
result = subprocess.run(
[utc_tool, testname], stdout=subprocess.PIPE, stderr=subprocess.PIPE
)
return (result.returncode, result.stdout, result.stderr)
def main():
from argparse import RawTextHelpFormatter
parser = argparse.ArgumentParser(
description=__doc__, formatter_class=RawTextHelpFormatter
)
parser.add_argument(
"--jobs",
"-j",
default=1,
type=int,
help="Run the given number of jobs in parallel",
)
parser.add_argument(
"--utc-dir",
nargs="*",
help="Additional directories to scan for update_*_test_checks scripts",
)
parser.add_argument("tests", nargs="+")
config = parser.parse_args()
if config.utc_dir:
utc_search_path = config.utc_dir[:]
else:
utc_search_path = []
script_name = os.path.abspath(__file__)
utc_search_path.append(os.path.join(os.path.dirname(script_name), os.path.pardir))
not_autogenerated = []
utc_tools = {}
have_error = False
with ThreadPoolExecutor(max_workers=config.jobs) as executor:
jobs = []
for testname in config.tests:
with open(testname, "r") as f:
header = f.readline().strip()
m = RE_ASSERTIONS.search(header)
if m is None:
not_autogenerated.append(testname)
continue
utc_name = m.group(1)
if utc_name not in utc_tools:
utc_tools[utc_name] = find_utc_tool(utc_search_path, utc_name)
if not utc_tools[utc_name]:
print(
f"{utc_name}: not found (used in {testname})",
file=sys.stderr,
)
have_error = True
continue
future = executor.submit(
run_utc_tool, utc_name, utc_tools[utc_name], testname
)
jobs.append((testname, future))
for testname, future in jobs:
return_code, stdout, stderr = future.result()
print(f"Update {testname}")
stdout = stdout.decode(errors="replace")
if stdout:
print(stdout, end="")
if not stdout.endswith("\n"):
print()
stderr = stderr.decode(errors="replace")
if stderr:
print(stderr, end="")
if not stderr.endswith("\n"):
print()
if return_code != 0:
print(f"Return code: {return_code}")
have_error = True
if have_error:
sys.exit(1)
if not_autogenerated:
print("Tests without autogenerated assertions:")
for testname in not_autogenerated:
print(f" {testname}")
if __name__ == "__main__":
main()