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#! /usr/bin/env python
#
# Copyright (c) 2016 ARM Limited
# All rights reserved
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Andreas Sandberg
import os
import sys
from style.file_types import lang_type
from style.verifiers import all_verifiers
from style.region import all_regions
from style.style import StdioUI
from style import repo
def verify(filename, regions=all_regions, verbose=False):
ui = StdioUI()
opts = {}
base = os.path.join(os.path.dirname(__file__), "..")
verifiers = [ v(ui, opts, base=base) for v in all_verifiers ]
if verbose:
print "Verifying %s[%s]..." % (filename, regions)
for verifier in verifiers:
if verbose:
print "Applying %s (%s)" % (
verifier.test_name, verifier.__class__.__name__)
if verifier.apply(filename, regions=regions):
return False
return True
def detect_repo():
repo_classes = repo.detect_repo()
if not repo_classes:
print >> sys.stderr, "Error: Failed to detect repository type, no " \
"known repository type found."
sys.exit(1)
elif len(repo_classes) > 1:
print >> sys.stderr, "Error: Detected multiple repository types."
sys.exit(1)
else:
return repo_classes[0]()
repo_types = {
"auto" : detect_repo,
"none" : lambda : None,
"git" : repo.GitRepo,
"hg" : repo.MercurialRepo,
}
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser(
description="Check a file for gem5 style violations",
epilog="""If no files are specified, the style checker tries to
determine the list of modified and added files from the version
control system and checks those."""
)
parser.add_argument("--verbose", "-v", action="count",
help="Produce verbose output")
parser.add_argument("--modifications", "-m", action="store_true",
help="""Apply the style checker to modified regions
instead of whole files""")
parser.add_argument("--repo-type", choices=repo_types, default="auto",
help="Repository type to use to detect changes")
parser.add_argument("files", metavar="FILE", nargs="*",
type=str,
help="Source file(s) to inspect")
args = parser.parse_args()
repo = repo_types[args.repo_type]()
files = args.files
if not files and repo:
added, modified = repo.staged_files()
files = [ repo.file_path(f) for f in added + modified ]
for filename in files:
if args.modifications and repo and repo.in_repo(filename):
regions = repo.modified_regions(filename)
else:
regions = all_regions
if not verify(filename, regions=regions,
verbose=args.verbose):
sys.exit(1)
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