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#!/usr/bin/env python3
# Copyright (c) 2019 Advanced Micro Devices, Inc. All rights reserved
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
'''
GFXReconstruct check code style script
'''
import subprocess
import sys
import argparse
import os
def check_code_style(file_list, compare_base, style_script=None, style_config_dir=None):
"""
Run clang format diff on the changed source file(s)
against current branch. If branch retrieved failed,
fall back to diff against master branch.
:raises Exception: when formatting errors found
"""
git_branch = subprocess.check_output(["git", "rev-parse", "--abbrev-ref", compare_base]).strip()
if git_branch == b'':
git_branch = "master"
if not style_script:
# Look for the clang-format-diff.py script in the same directory as the calling script
style_script = os.path.join(os.path.dirname(os.path.realpath(sys.argv[0])), "clang-format-diff.py")
if not style_config_dir:
# Use the script directory's parent directory as the .clang-format file location
style_config_dir = os.path.join(os.path.dirname(style_script), os.pardir)
diff_cmd = ["git", "diff", "-U0", str(git_branch, 'utf-8'), "--"] + file_list
style_cmd = [sys.executable, style_script,"-p1","-style=file"]
try:
diff_process = subprocess.Popen(diff_cmd, stdout=subprocess.PIPE)
style_output = subprocess.check_output(style_cmd, stdin=diff_process.stdout, cwd=style_config_dir)
if style_output != b'':
raise Exception("FORMATTING ERROR!\n" + str(style_output, 'utf-8'))
except subprocess.CalledProcessError as e:
print("ERROR calling clang-format-diff.py [{}]".format(e))
sys.exit(1)
# Main entry point
if '__main__' == __name__:
# parse params and run check code style function
parser = argparse.ArgumentParser(prog='check_code_style',
description='Checks if file match the code style specification')
parser.add_argument('--sourcefile', nargs='+', dest='file_list', help="The source file(s)")
parser.add_argument('--base', dest='compare_base', metavar='BASE', action='store', default='HEAD',
help='Git branch name or commit ID to use as the base for C++ code style comparison')
args = parser.parse_args()
check_code_style(args.file_list, args.compare_base)
sys.exit(0)
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