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authorEgor Tensin <Egor.Tensin@gmail.com>2021-04-13 17:32:05 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2021-04-13 17:32:05 +0300
commit795dd9e87e44d1c49f160cd003cdde4113ee8247 (patch)
tree8235133e9007abdb53ed7380f201058c24269031 /tools/clang-format.py
parentREADME: fix badge links (diff)
downloadcmake-common-795dd9e87e44d1c49f160cd003cdde4113ee8247.tar.gz
cmake-common-795dd9e87e44d1c49f160cd003cdde4113ee8247.zip
tools: drop the .py extension
Diffstat (limited to 'tools/clang-format.py')
-rwxr-xr-xtools/clang-format.py168
1 files changed, 0 insertions, 168 deletions
diff --git a/tools/clang-format.py b/tools/clang-format.py
deleted file mode 100755
index 81b2f93..0000000
--- a/tools/clang-format.py
+++ /dev/null
@@ -1,168 +0,0 @@
-#!/usr/bin/env python3
-
-# Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
-# This file is part of the "cmake-common" project.
-# For details, see https://github.com/egor-tensin/cmake-common.
-# Distributed under the MIT License.
-
-'''clang-format all C/C++ files in the project
-
-This script feeds every C/C++ file in the repository to clang-format, either
-printing a unified diff between the original and the formatted versions, or
-formatting the files in-place.
-'''
-
-import argparse
-from contextlib import contextmanager
-import difflib
-import logging
-import os
-import subprocess
-import sys
-
-
-@contextmanager
-def setup_logging():
- logging.basicConfig(
- format='%(asctime)s | %(levelname)s | %(message)s',
- datefmt='%Y-%m-%d %H:%M:%S',
- level=logging.INFO)
- try:
- yield
- except Exception as e:
- logging.exception(e)
- raise
-
-
-@contextmanager
-def cd(path):
- cwd = os.getcwd()
- os.chdir(path)
- try:
- yield
- finally:
- os.chdir(cwd)
-
-
-def run(cmd_line):
- logging.debug('Running executable: %s', cmd_line)
- try:
- return subprocess.run(cmd_line, check=True, universal_newlines=True,
- stderr=subprocess.STDOUT, stdout=subprocess.PIPE)
- except subprocess.CalledProcessError as e:
- logging.error('Process finished with exit code %d: %s', e.returncode, cmd_line)
- logging.error('Its output was:\n%s', e.output)
- raise
-
-
-def read_file(path):
- with open(path) as file:
- return file.read()
-
-
-class ClangFormat:
- def __init__(self, path, style):
- self.path = path
- self.style = style
-
- def _get_command_line(self, paths, in_place=False):
- cmd_line = [self.path, f'-style={self.style}']
- if in_place:
- cmd_line.append('-i')
- cmd_line.append('--')
- cmd_line += list(paths)
- return cmd_line
-
- def format_in_place(self, paths):
- run(self._get_command_line(paths, in_place=True))
-
- @staticmethod
- def _show_diff(path, formatted):
- original = read_file(path).split('\n')
- formatted = formatted.split('\n')
- original_lbl = f'{path} (original)'
- formatted_lbl = f'{path} (formatted)'
-
- diff = difflib.unified_diff(original, formatted, fromfile=original_lbl,
- tofile=formatted_lbl, lineterm='')
-
- clean = True
- for line in diff:
- clean = False
- print(line)
- return clean
-
- def show_diff(self, paths):
- clean = True
- for path in paths:
- formatted = run(self._get_command_line([path])).stdout
- clean = self._show_diff(path, formatted) and clean
- return clean
-
-
-def git_root_dir():
- cmd_line = ['git', 'rev-parse', '--show-toplevel']
- root_dir = run(cmd_line).stdout
- if root_dir[-1] != '\n':
- raise RuntimeError('git rev-parse --show-toplevel should append a newline?')
- return root_dir[:-1]
-
-
-def list_all_files():
- cmd_line = ['git', 'ls-tree', '-r', '-z', '--name-only', 'HEAD']
- repo_files = run(cmd_line).stdout
- repo_files = repo_files.split('\0')
- return repo_files
-
-
-CPP_FILE_EXTENSIONS = {'.c', '.h', '.cc', '.hh', '.cpp', '.hpp', '.cxx', '.hxx', '.cp', '.c++'}
-
-
-def list_cpp_files():
- for path in list_all_files():
- ext = os.path.splitext(path)[1]
- if ext in CPP_FILE_EXTENSIONS:
- yield path
-
-
-def process_cpp_files(args):
- clang_format = ClangFormat(args.clang_format, args.style)
- with cd(git_root_dir()):
- cpp_files = list_cpp_files()
- if args.in_place:
- clang_format.format_in_place(cpp_files)
- else:
- if not clang_format.show_diff(cpp_files):
- sys.exit(1)
-
-
-DEFAULT_CLANG_FORMAT = 'clang-format'
-DEFAULT_STYLE = 'file'
-
-
-def parse_args(argv=None):
- if argv is None:
- argv = sys.argv[1:]
-
- parser = argparse.ArgumentParser(
- description=__doc__,
- formatter_class=argparse.RawDescriptionHelpFormatter)
-
- parser.add_argument('-b', '--clang-format', default=DEFAULT_CLANG_FORMAT,
- help='clang-format executable file path')
- parser.add_argument('-s', '--style', default=DEFAULT_STYLE,
- help='clang-format -style parameter argument')
- parser.add_argument('-i', '--in-place', action='store_true',
- help='edit the files in-place')
-
- return parser.parse_args(argv)
-
-
-def main(argv=None):
- with setup_logging():
- args = parse_args(argv)
- process_cpp_files(args)
-
-
-if __name__ == '__main__':
- main()