mirror of
https://github.com/AsahiLinux/u-boot
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162 lines
5.3 KiB
Python
162 lines
5.3 KiB
Python
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# Copyright (c) 2011 The Chromium OS Authors.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# MA 02111-1307 USA
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#
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import command
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import gitutil
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import os
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import re
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import terminal
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def FindCheckPatch():
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try_list = [
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os.getcwd(),
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os.path.join(os.getcwd(), '..', '..'),
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os.path.join(gitutil.GetTopLevel(), 'tools'),
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'%s/bin' % os.getenv('HOME'),
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]
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# Look in current dir
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for path in try_list:
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fname = os.path.join(path, 'checkpatch.pl')
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if os.path.isfile(fname):
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return fname
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# Look upwwards for a Chrome OS tree
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while not os.path.ismount(path):
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fname = os.path.join(path, 'src', 'third_party', 'kernel', 'files',
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'scripts', 'checkpatch.pl')
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if os.path.isfile(fname):
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return fname
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path = os.path.dirname(path)
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print 'Could not find checkpatch.pl'
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return None
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def CheckPatch(fname, verbose=False):
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"""Run checkpatch.pl on a file.
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Returns:
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4-tuple containing:
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result: False=failure, True=ok
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problems: List of problems, each a dict:
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'type'; error or warning
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'msg': text message
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'file' : filename
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'line': line number
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lines: Number of lines
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"""
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result = False
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error_count, warning_count, lines = 0, 0, 0
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problems = []
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chk = FindCheckPatch()
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if not chk:
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raise OSError, ('Cannot find checkpatch.pl - please put it in your ' +
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'~/bin directory')
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item = {}
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stdout = command.Output(chk, '--no-tree', fname)
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#pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE)
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#stdout, stderr = pipe.communicate()
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# total: 0 errors, 0 warnings, 159 lines checked
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re_stats = re.compile('total: (\\d+) errors, (\d+) warnings, (\d+)')
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re_ok = re.compile('.*has no obvious style problems')
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re_bad = re.compile('.*has style problems, please review')
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re_error = re.compile('ERROR: (.*)')
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re_warning = re.compile('WARNING: (.*)')
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re_file = re.compile('#\d+: FILE: ([^:]*):(\d+):')
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for line in stdout.splitlines():
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if verbose:
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print line
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# A blank line indicates the end of a message
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if not line and item:
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problems.append(item)
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item = {}
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match = re_stats.match(line)
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if match:
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error_count = int(match.group(1))
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warning_count = int(match.group(2))
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lines = int(match.group(3))
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elif re_ok.match(line):
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result = True
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elif re_bad.match(line):
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result = False
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match = re_error.match(line)
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if match:
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item['msg'] = match.group(1)
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item['type'] = 'error'
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match = re_warning.match(line)
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if match:
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item['msg'] = match.group(1)
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item['type'] = 'warning'
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match = re_file.match(line)
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if match:
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item['file'] = match.group(1)
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item['line'] = int(match.group(2))
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return result, problems, error_count, warning_count, lines, stdout
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def GetWarningMsg(col, msg_type, fname, line, msg):
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'''Create a message for a given file/line
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Args:
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msg_type: Message type ('error' or 'warning')
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fname: Filename which reports the problem
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line: Line number where it was noticed
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msg: Message to report
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'''
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if msg_type == 'warning':
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msg_type = col.Color(col.YELLOW, msg_type)
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elif msg_type == 'error':
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msg_type = col.Color(col.RED, msg_type)
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return '%s: %s,%d: %s' % (msg_type, fname, line, msg)
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def CheckPatches(verbose, args):
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'''Run the checkpatch.pl script on each patch'''
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error_count = 0
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warning_count = 0
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col = terminal.Color()
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for fname in args:
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ok, problems, errors, warnings, lines, stdout = CheckPatch(fname,
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verbose)
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if not ok:
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error_count += errors
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warning_count += warnings
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print '%d errors, %d warnings for %s:' % (errors,
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warnings, fname)
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if len(problems) != error_count + warning_count:
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print "Internal error: some problems lost"
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for item in problems:
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print GetWarningMsg(col, item['type'], item['file'],
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item['line'], item['msg'])
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#print stdout
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if error_count != 0 or warning_count != 0:
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str = 'checkpatch.pl found %d error(s), %d warning(s)' % (
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error_count, warning_count)
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color = col.GREEN
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if warning_count:
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color = col.YELLOW
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if error_count:
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color = col.RED
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print col.Color(color, str)
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return False
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return True
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