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issue_generator_clang_tool.py
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Wed, Jul 17, 13:05

issue_generator_clang_tool.py
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#!/usr/bin/env python3
from . import print_debug, print_info
from .issue_generator import IssueGenerator
import os
import re
import copy
import json
import subprocess
class ClangToolIssueGenerator(IssueGenerator):
"""issue generator for clang tidy"""
# 7-bit C1 ANSI sequences
ANSI_ESCAPE = re.compile(r'''
\x1B # ESC
(?: # 7-bit C1 Fe (except CSI)
[@-Z\\-_]
| # or [ for CSI, followed by a control sequence
\[
[0-?]* # Parameter bytes
[ -/]* # Intermediate bytes
[@-~] # Final byte
)
''', re.VERBOSE)
def __init__(self, issues_list, tool, **kwargs):
self._tool = tool
opts = copy.copy(kwargs)
super().__init__(issues_list, **kwargs)
compiledb_path = opts.pop('compiledb_path')
arguments = opts.pop('arguments', None)
clang_tool = opts.pop('clang_tool_executable', tool)
file_list = opts.pop('file_list', None)
self._command = [clang_tool]
if 'need_compiledb' in opts and opts['need_compiledb']:
self._command.extend(['-p', compiledb_path])
if arguments is not None:
self._command.extend(arguments)
if file_list is None:
file_list = self._get_files_from_compile_db(compiledb_path)
self._define_file_list(file_list)
def _get_files_from_compile_db(self, compiledb_path): # pylint: disable=no-self-use
file_list = []
with open(os.path.join(
compiledb_path,
'compile_commands.json'), 'r') as compiledb_fh:
compiledb = json.load(compiledb_fh)
for entry in compiledb:
file_list.append(entry['file'])
return file_list
def _define_file_list(self, file_list):
for filename in file_list:
filename = os.path.relpath(filename)
need_exclude = self._issues._need_exclude(filename)
if need_exclude:
print_debug(f'[{self._tool}] exluding file: {filename}')
continue
print_info(f'[{self._tool}] adding file: {filename}')
self._files.append(filename)
def _run_command(self, command):
print_info(f'''[{self._tool}] command: {' '.join(command)}''')
popen = subprocess.Popen(command,
stdout=subprocess.PIPE,
stderr=subprocess.DEVNULL,
universal_newlines=True)
for stdout_line in iter(popen.stdout.readline, ""):
clean_line = self.ANSI_ESCAPE.sub('', stdout_line)
yield clean_line
popen.stdout.close()
return_code = popen.wait()
if return_code:
print_debug(
f"[{self._tool}] {command} ReturnCode {return_code}")

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