- """Format C code according to QMK's style.
- """
- import subprocess
- from shutil import which
-
- from argcomplete.completers import FilesCompleter
- from milc import cli
-
- from qmk.path import normpath
- from qmk.c_parse import c_source_files
-
-
- def cformat_run(files, all_files):
- """Spawn clang-format subprocess with proper arguments
- """
- # Determine which version of clang-format to use
- clang_format = ['clang-format', '-i']
- for clang_version in range(20, 6, -1):
- binary = 'clang-format-%d' % clang_version
- if which(binary):
- clang_format[0] = binary
- break
- try:
- if not files:
- cli.log.warn('No changes detected. Use "qmk cformat -a" to format all files')
- return False
- subprocess.run(clang_format + [file for file in files], check=True)
- cli.log.info('Successfully formatted the C code.')
-
- except subprocess.CalledProcessError:
- cli.log.error('Error formatting C code!')
- return False
-
-
- @cli.argument('-a', '--all-files', arg_only=True, action='store_true', help='Format all core files.')
- @cli.argument('-b', '--base-branch', default='origin/master', help='Branch to compare to diffs to.')
- @cli.argument('files', nargs='*', arg_only=True, completer=FilesCompleter('.c'), help='Filename(s) to format.')
- @cli.subcommand("Format C code according to QMK's style.", hidden=False if cli.config.user.developer else True)
- def cformat(cli):
- """Format C code according to QMK's style.
- """
- # Empty array for files
- files = []
- # Core directories for formatting
- core_dirs = ['drivers', 'quantum', 'tests', 'tmk_core', 'platforms']
- ignores = ['tmk_core/protocol/usb_hid', 'quantum/template', 'platforms/chibios']
- # Find the list of files to format
- if cli.args.files:
- files.extend(normpath(file) for file in cli.args.files)
- if cli.args.all_files:
- cli.log.warning('Filenames passed with -a, only formatting: %s', ','.join(map(str, files)))
- # If -a is specified
- elif cli.args.all_files:
- all_files = c_source_files(core_dirs)
- # The following statement checks each file to see if the file path is in the ignored directories.
- files.extend(file for file in all_files if not any(i in str(file) for i in ignores))
- # No files specified & no -a flag
- else:
- base_args = ['git', 'diff', '--name-only', cli.args.base_branch]
- out = subprocess.run(base_args + core_dirs, check=True, stdout=subprocess.PIPE)
- changed_files = filter(None, out.stdout.decode('UTF-8').split('\n'))
- filtered_files = [normpath(file) for file in changed_files if not any(i in file for i in ignores)]
- files.extend(file for file in filtered_files if file.exists() and file.suffix in ['.c', '.h', '.cpp'])
-
- # Run clang-format on the files we've found
- cformat_run(files, cli.args.all_files)
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