style: Remove style validators
Style validators provide a subset of the style verifier functionality and are only exposed through the "hg m5format" command. This functionality seems to be both redundant and unused. Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> --HG-- extra : rebase_source : f4847ac3ddc86f6684565b65a942e04979972a7b
This commit is contained in:
Andreas Sandberg
parent
a05efc77be
commit
74f62c784d
101
util/hgstyle.py
101
util/hgstyle.py
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@ -50,8 +50,6 @@ current_dir = os.path.dirname(__file__)
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sys.path.insert(0, current_dir)
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from style.verifiers import all_verifiers
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from style.validators import all_validators
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from style.file_types import lang_type
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from style.style import MercurialUI, check_ignores
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from style.region import *
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@ -85,35 +83,6 @@ def modregions(wctx, fname):
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return mod_regions
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def validate(filename, verbose, exit_code):
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lang = lang_type(filename)
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if lang not in ('C', 'C++'):
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return
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def bad():
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if exit_code is not None:
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sys.exit(exit_code)
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try:
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f = file(filename, 'r')
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except OSError:
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if verbose > 0:
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print 'could not open file %s' % filename
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bad()
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return None
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vals = [ v(filename, verbose=(verbose > 1), language=lang)
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for v in all_validators ]
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for i, line in enumerate(f):
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line = line.rstrip('\n')
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for v in vals:
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v.validate_line(i, line)
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return vals
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def _modified_regions(repo, patterns, **kwargs):
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opt_all = kwargs.get('all', False)
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opt_no_ignore = kwargs.get('no_ignore', False)
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@ -198,37 +167,6 @@ def do_check_style(hgui, repo, *pats, **opts):
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return False
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def do_check_format(hgui, repo, *pats, **opts):
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"""check files for gem5 code formatting violations
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Without an argument, checks all modified and added files for gem5
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code formatting violations. A list of files can be specified to
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limit the checker to a subset of the repository. The style rules
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are normally applied on a diff of the repository state (i.e.,
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added files are checked in their entirety while only modifications
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of modified files are checked).
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The --all option can be specified to include clean files and check
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modified files in their entirety.
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"""
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ui = MercurialUI(hgui, hgui.verbose)
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verbose = 0
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for fname, mod_regions in _modified_regions(repo, pats, **opts):
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vals = validate(joinpath(repo.root, fname), verbose, None)
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if vals is None:
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return True
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elif any([not v for v in vals]):
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print "%s:" % fname
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for v in vals:
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v.dump()
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result = ui.prompt("invalid formatting\n(i)gnore or (a)bort?",
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'ai', 'a')
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if result == 'a':
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return True
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return False
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def check_hook(hooktype):
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if hooktype not in ('pretxncommit', 'pre-qrefresh'):
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raise AttributeError, \
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@ -247,17 +185,6 @@ def check_style(ui, repo, hooktype, **kwargs):
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traceback.print_exc()
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return True
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def check_format(ui, repo, hooktype, **kwargs):
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check_hook(hooktype)
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args = {}
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try:
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return do_check_format(ui, repo, **args)
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except Exception, e:
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import traceback
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traceback.print_exc()
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return True
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try:
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from mercurial.i18n import _
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except ImportError:
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@ -287,31 +214,9 @@ cmdtable = {
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'^m5style' : (
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do_check_style, all_opts + _common_region_options + commands.walkopts,
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_('hg m5style [-a] [FILE]...')),
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'^m5format' :
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( do_check_format, [
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] + _common_region_options + commands.walkopts,
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_('hg m5format [FILE]...')),
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}
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if __name__ == '__main__':
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import argparse
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parser = argparse.ArgumentParser(
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description="Check a file for style violations")
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parser.add_argument("--verbose", "-v", action="count",
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help="Produce verbose output")
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parser.add_argument("file", metavar="FILE", nargs="+",
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type=str,
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help="Source file to inspect")
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args = parser.parse_args()
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for filename in args.file:
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vals = validate(filename, verbose=args.verbose,
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exit_code=1)
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if args.verbose > 0 and vals is not None:
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for v in vals:
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v.dump()
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print >> sys.stderr, "This file cannot be used from the command line. Use"
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print >> sys.stderr, "style.py instead."
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sys.exit(1)
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@ -1,212 +0,0 @@
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#!/usr/bin/env python
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#
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# Copyright (c) 2014, 2016 ARM Limited
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# All rights reserved
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#
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# The license below extends only to copyright in the software and shall
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# not be construed as granting a license to any other intellectual
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# property including but not limited to intellectual property relating
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# to a hardware implementation of the functionality of the software
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# licensed hereunder. You may use the software subject to the license
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# terms below provided that you ensure that this notice is replicated
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# unmodified and in its entirety in all distributions of the software,
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# modified or unmodified, in source code or in binary form.
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#
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# Copyright (c) 2006 The Regents of The University of Michigan
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# Copyright (c) 2007,2011 The Hewlett-Packard Development Company
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# Copyright (c) 2016 Advanced Micro Devices, Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Nathan Binkert
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# Steve Reinhardt
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# Andreas Sandberg
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from abc import ABCMeta, abstractmethod
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import inspect
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import re
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import sys
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import style
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tabsize = 8
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lead = re.compile(r'^([ \t]+)')
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trail = re.compile(r'([ \t]+)$')
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any_control = re.compile(r'\b(if|while|for)([ \t]*)\(')
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class Validator(object):
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"""Base class for style validators
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Validators analyze source files for common style violations and
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produce source code style violation statistics. Unlike style
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verifiers (see verifiers.py), they do not try to fix any style
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violations violations.
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Deprecation warning: These classes are currently only used by the
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"hg m5format" command and not by any style hooks. New style
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checkers should inherit from Verifier instead of Validator.
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"""
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__metaclass__ = ABCMeta
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def __init__(self, file_name, verbose=False, language=None):
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self.file_name = file_name
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self.verbose = verbose
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self.bad = 0
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self.language = language
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def fail_line(self, line_no, line, message):
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print '%s:%d>' % (self.file_name, line_no + 1), message
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if self.verbose:
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print line
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self.bad += 1
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def __nonzero__(self):
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return self.bad == 0
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@classmethod
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def supported_lang(cls, language):
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return True
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@abstractmethod
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def validate_line(self, line_no, line):
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pass
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@abstractmethod
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def dump(self):
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pass
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class SimpleValidator(Validator):
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supported_langs = set()
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def __init__(self, fail_message, dump_message, file_name, **kwargs):
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super(SimpleValidator, self).__init__(file_name, **kwargs)
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self.fail_message = fail_message
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self.dump_message = dump_message
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@classmethod
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def supported_lang(cls, language):
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return not cls.cupported_langs or language in cls.supported_langs
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def validate_line(self, line_no, line):
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if not self.simple_validate_line(line):
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self.fail_line(line_no, line, self.fail_message)
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return False
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else:
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return True
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@abstractmethod
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def simple_validate_line(self, line):
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pass
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def dump(self):
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print self.dump_message % {
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"bad" : self.bad
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}
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class LineLength(Validator):
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def __init__(self, *args, **kwargs):
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super(LineLength, self).__init__(*args, **kwargs)
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self.toolong80 = 0
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def validate_line(self, line_no, line):
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llen = style.normalized_len(line)
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if llen == 80:
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self.toolong80 += 1
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if llen > 79:
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self.fail_line(line_no, line, 'line too long (%d chars)' % llen)
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return False
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else:
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return True
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def dump(self):
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print "%d violations of lines over 79 chars. " \
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"%d of which are 80 chars exactly." % (self.bad, self.toolong80)
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class ControlSpacing(Validator):
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supported_langs = set(('C', 'C++'))
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def validate_line(self, line_no, line):
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match = any_control.search(line)
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if match and match.group(2) != " ":
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stats.badcontrol += 1
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self.fail_line(line_no, line,
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'improper spacing after %s' % match.group(1))
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return False
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else:
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return True
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def dump(self):
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print "%d bad parens after if/while/for." % (self.bad, )
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class CarriageReturn(SimpleValidator):
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def __init__(self, *args, **kwargs):
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super(CarriageReturn, self).__init__(
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"carriage return found",
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"%(bad)d carriage returns found.",
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*args, **kwargs)
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def simple_validate_line(self, line):
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return line.find('\r') == -1
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class TabIndent(SimpleValidator):
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lead = re.compile(r'^([ \t]+)')
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def __init__(self, *args, **kwargs):
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super(TabIndent, self).__init__(
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"using tabs to indent",
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"%(bad)d cases of tabs to indent.",
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*args, **kwargs)
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def simple_validate_line(self, line):
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match = TabIndent.lead.search(line)
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return not (match and match.group(1).find('\t') != -1)
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class TrailingWhitespace(SimpleValidator):
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trail = re.compile(r'([ \t]+)$')
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def __init__(self, *args, **kwargs):
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super(TrailingWhitespace, self).__init__(
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"trailing whitespace",
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"%(bad)d cases of whitespace at the end of a line.",
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*args, **kwargs)
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def simple_validate_line(self, line):
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return not TrailingWhitespace.trail.search(line)
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def is_validator(cls):
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"""Determine if a class is a Validator that can be instantiated"""
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return inspect.isclass(cls) and issubclass(cls, Validator) and \
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not inspect.isabstract(cls)
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# list of all verifier classes
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all_validators = [ v for n, v in \
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inspect.getmembers(sys.modules[__name__], is_validator) ]
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