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runner.py
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Sat, Jun 1, 05:59

runner.py
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import json
import subprocess
import sys
import re
import tempfile
from command import Command
from issue_formatter import IssueFormatter
from workspace import Workspace
class Runner:
CONFIG_FILE_PATH = '/config.json'
"""Runs clang-tidy, collects and reports results."""
def __init__(self):
self._config_file_path = self.CONFIG_FILE_PATH
pass
def run(self):
config = self._decode_config()
self._print_debug(f'[clang-tidy] config: {config}')
workspace = Workspace(config.get('include_paths'))
workspace_files = workspace.calculate()
if not len(workspace_files) > 0:
return
self._print_debug(f'[clang-tidy] analyzing {len(workspace_files)} files')
plugin_config = config.get('config', {})
command = Command(plugin_config, workspace_files).build()
self._print_debug(f'[clang-tidy] command: {command}')
issues = {}
for file_ in workspace_files:
results = self._run_command([*command, file_])
issues_ = self._parse_results(results)
issues.update(issues_)
for issue in issues.values():
# cppcheck will emit issues for files outside of the workspace,
# like header files. This ensures that we only emit issues for
# files in the workspace.
if issue and workspace.should_include(issue["location"]["path"]):
print('{}\0'.format(json.dumps(issue)))
def _decode_config(self):
self._print_debug(f"Decoding config file {self._config_file_path}")
contents = ""
with open(self._config_file_path, "r") as config:
contents = config.read()
return json.loads(contents)
def _run_command(self, command):
process = subprocess.Popen(command,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
self._print_debug(stderr.decode('utf-8'))
return_vals = stdout.decode('utf-8').split('\n')
return return_vals
def _parse_results(self, results):
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)
re_log_parse = re.compile(
r'(?P<file>.*\.(cc|hh)):(?P<line>[0-9]+):(?P<column>[0-9]+): warning: (?P<detail>.*) \[(?P<type>.*)\]' # noqa
)
issues = {}
issue = None
for line in results:
clean_line = ansi_escape.sub('', line)
match = re_log_parse.match(clean_line)
if match:
if issue:
issue_ = IssueFormatter(issue).format()
issues[issue_['fingerprint']] = issue_
issue = match.groupdict()
elif issue:
if 'content' in issue:
issue['content'].append(line)
else:
issue['content'] = [line]
else:
issue = None
if issue:
issue_ = IssueFormatter(issue).format()
issues[issue_['fingerprint']] = issue_
return issues
def _print_debug(self, message):
print(message, file=sys.stderr)

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