2d09f30a6d
m5 style and fixing whitespace. For whitespace, any tabs in leading whitespace on a line are converted to spaces, and any trailing whitespace is removed. --HG-- extra : convert_revision : d0591663c028a388635fc71c6c1d31f700748cf6
168 lines
5 KiB
Python
Executable file
168 lines
5 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright (c) 2006 The Regents of The University of Michigan
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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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from getopt import getopt, GetoptError
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import re
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import sys
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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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good_control = re.compile(r'\b(if|while|for) [(]')
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def linelen(line):
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tabs = line.count('\t')
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if not tabs:
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return len(line)
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count = 0
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for c in line:
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if c == '\t':
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count += tabsize - count % tabsize
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else:
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count += 1
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return count
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toolong = 0
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toolong80 = 0
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leadtabs = 0
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trailwhite = 0
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badcontrol = 0
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cret = 0
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def validate(filename, verbose, code):
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global toolong, toolong80, leadtabs, trailwhite, badcontrol, cret
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def msg(lineno, line, message):
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print '%s:%d>' % (filename, lineno + 1), message
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if verbose > 2:
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print line
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def bad():
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if code is not None:
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sys.exit(code)
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cpp = filename.endswith('.cc') or filename.endswith('.hh')
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py = filename.endswith('.py')
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if py + cpp != 1:
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raise AttributeError, \
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"I don't know how to deal with the file %s" % filename
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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
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for i,line in enumerate(f):
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line = line.rstrip('\n')
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# no carriage returns
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if line.find('\r') != -1:
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cret += 1
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if verbose > 1:
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msg(i, line, 'carriage return found')
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bad()
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# lines max out at 79 chars
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llen = linelen(line)
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if llen > 79:
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toolong += 1
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if llen == 80:
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toolong80 += 1
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if verbose > 1:
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msg(i, line, 'line too long (%d chars)' % llen)
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bad()
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# no tabs used to indent
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match = lead.search(line)
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if match and match.group(1).find('\t') != -1:
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leadtabs += 1
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if verbose > 1:
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msg(i, line, 'using tabs to indent')
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bad()
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# no trailing whitespace
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if trail.search(line):
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trailwhite +=1
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if verbose > 1:
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msg(i, line, 'trailing whitespace')
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bad()
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# for c++, exactly one space betwen if/while/for and (
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if cpp:
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match = any_control.search(line)
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if match and not good_control.search(line):
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badcontrol += 1
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if verbose > 1:
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msg(i, line, 'improper spacing after %s' % match.group(1))
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bad()
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if __name__ == '__main__':
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progname = sys.argv[0]
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def usage(code=None):
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print >>sys.stderr, '''%s [-n] [-q] [-v] <filenames>''' % progname
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if code is not None:
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sys.exit(code)
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try:
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opts, args = getopt(sys.argv[1:], '-nv')
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except GetoptError:
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usage(2)
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code = 1
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verbose = 1
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for opt,arg in opts:
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if opt == '-n':
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code = None
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if opt == '-q':
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verbose -= 1
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if opt == '-v':
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verbose += 1
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for filename in args:
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validate(filename, verbose=verbose, code=code)
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if verbose > 0:
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print '''\
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%d violations of lines over 79 chars. %d of which are 80 chars exactly.
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%d cases of whitespace at the end of a line.
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%d cases of tabs to indent.
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%d bad parens after if/while/for.
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%d carriage returns found.
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''' % (toolong, toolong80, trailwhite, leadtabs, badcontrol, cret)
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