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#!/usr/bin/env python3
# coding: utf8
#
# This file is part of Tartan.
# Copyright © 2019 Philip Chimento
#
# Tartan is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Tartan is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Tartan. If not, see <http://www.gnu.org/licenses/>.
# Use this script to analyze a whole project by passing it the compilation
# database file generated by Meson or CMake. An example with Meson would be:
#
# $ meson _build
# $ tartan-json _build/compile_commands.json
import argparse
import json
import os
import shlex
import subprocess
import sys
parser = argparse.ArgumentParser(
description='''Run the Tartan analyzer on a whole compilation database, in
the compile_commands.json format such as generated by Meson or CMake.''')
parser.add_argument('json', type=argparse.FileType('r'), metavar='FILE',
help='path to compile_commands.json')
parser.add_argument('-q', '--quiet', action='store_true',
help="don't print progress messages")
parser.add_argument('tartan_options', nargs=argparse.REMAINDER, metavar='...',
help='extra options to pass on to Tartan')
args = parser.parse_args()
compile_db = json.load(args.json)
had_error = False
for index, entry in enumerate(compile_db):
if not args.quiet:
full_path = os.path.normpath(os.path.join(entry['directory'],
entry['file']))
print('[{}/{}] Processing {}'.format(index + 1, len(compile_db),
full_path))
new_env = dict(os.environ)
existing_tartan_options = new_env.get('TARTAN_OPTIONS', '')
new_env['TARTAN_OPTIONS'] = (existing_tartan_options + ' ' +
' '.join(args.tartan_options))
# -Wno-unused-command-line-argument is because linker arguments will be
# ignored and produce a warning with --analyze.
invocation = (['tartan', '--analyze', '-Wno-unused-command-line-argument']
+ shlex.split(entry['command']))
result = subprocess.run(invocation, cwd=entry['directory'], env=new_env)
if result.returncode != 0:
had_error = True
sys.exit(1 if had_error else 0)
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