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warnings2code-quality.py
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Tue, Jun 25, 09:20

warnings2code-quality.py
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#!/usr/bin/env python3
"""clang-tidy2code-quality.py: Conversion of clang-tidy output 2
code-quality"""
__author__ = "Nicolas Richart"
__credits__ = [
"Nicolas Richart <nicolas.richart@epfl.ch>",
]
__copyright__ = "Copyright (©) 2018-2021 EPFL (Ecole Polytechnique Fédérale" \
" de Lausanne) Laboratory (LSMS - Laboratoire de Simulation" \
" en Mécanique des Solides)"
__license__ = "LGPLv3"
import re
import os
import hashlib
import json
import sys
import warning_parser as warn
try:
from termcolor import colored
except ImportError:
def colored(text, color):
'''replace colored if not present'''
return text
def print_debug(message):
'''helper finction to print debug messages'''
print(f'Debug: {colored(message, "red")}',
file=sys.stderr, flush=True)
class Warnings2CodeQuality:
'''
Main class to run and convert the results of clang-tidy to the code-quality
format
'''
CLASSIFICATIONS = {
'gcc': {
'uninitialized': {
'categories': ['Bug Risk'],
'severity': 'major',
},
'sign-compare': {
'categories': ['Bug Risk'],
'severity': 'minor'
},
},
}
def __init__(self):
self._issues = {}
self._files = sys.argv[1:]
def parse(self):
'''parse warning files'''
compiler_re = re.compile(".*build.*(gcc|clang)-err\.log")
for _file in self._files:
match = compiler_re.search(_file)
if not match:
continue
compiler = match.group(1)
warnings = warn.get_warnings(_file, compiler)
self._add_issues(warnings)
@property
def list_files(self):
'''get the list of files to analyse'''
return self._files
def _get_classifiaction(self, warning):
categories = ['Clarity']
severity = 'info'
if warning.get_tool() in self.CLASSIFICATIONS:
classifications = self.CLASSIFICATIONS[warning.get_tool()]
if warning.get_category() in classifications:
cat = warning.get_category()
categories = classifications[cat]['categories']
severity = classifications[cat]['severity']
return (categories, severity)
def _add_issues(self, warnings):
for warning in warnings:
issue_ = self._format_issue(warning)
if issue_['fingerprint'] in self._issues:
continue
self._issues[issue_['fingerprint']] = issue_
def _format_issue(self, warning):
issue = {
'type': 'issue',
'check_name': warning.get_category(),
'description': warning.get_message(),
'location': {
"path": warning.get_filepath(),
"lines": {
"begin": warning.get_line(),
"end": warning.get_line(),
},
"positions": {
"begin": {
"line": warning.get_line(),
"column": warning.get_column(),
},
"end": {
"line": warning.get_line(),
"column": warning.get_column(),
},
},
},
}
issue['fingerprint'] = hashlib.md5(
'{file}:{line}:{column}:{type}'.format(
{'file': warning.get_filepath(),
'line': warning.get_line(),
'column': warning.get_column(),
'type': warning.get_category()}).encode()
).hexdigest()
issue['categories'], issue['severity'] = self._get_classifiaction(warning)
return issue
formater = Warnings2CodeQuality()
formater.parse()

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