issue_generator_clang_format.py
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	#!/usr/bin/env python3

	from . import print_debug, print_info
	from .issue_generator_clang_tool import ClangToolIssueGenerator
	import os
	import re
	import copy
	import difflib
	import subprocess


	class ClangFormatIssueGenerator(ClangToolIssueGenerator):
	"""issue generator for clang format"""

	def __init__(self, **kwargs):
	kwargs['clang_tool_executable'] = kwargs.pop('clang_format_executable',
	'clang-format')
	super().__init__('clang-format', **kwargs)

	def _get_classifiaction(self, issue):
	return (['Style'], 'info')

	def generate_issues(self):
	issue = {}
	for filename in self._files:
	with open(filename, 'r') as fh:
	unformated_file = fh.readlines()

	command = copy.copy(self._command)
	command.append(filename)
	formated_file = list(self._run_command(command))

	# diffs = difflib.unified_diff(unformated_file, formated_file, n=0)

	# print(diffs)
	# for diff in diffs:
	# print(diff, end='')

	s = difflib.SequenceMatcher(None, unformated_file, formated_file)
	for tag, i1, i2, j1, j2 in s.get_opcodes():
	if tag != 'equal':
	diff = list(
	difflib.unified_diff(
	unformated_file[i1:i2],
	formated_file[j1:j2]))
	issue = {
	'name': f'''clang-format:{tag}''',
	'description': ''.join(diff[3:]),
	'file': filename,
	'line': i1,
	'column': 1,
	'end_line': i2,
	}
	self.add_issue(issue)