80de5ef9c1
2018-11-26 Iain Buclaw <ibuclaw@gdcproject.org> * update-copyright.py (TestsuiteFilter): Skip .d tests. (LibPhobosFilter): Add filter for upstream D sources. (GCCCopyright): Add D Language Foundation as external author. (GCCCmdLine): Add libphobos. From-SVN: r266491
778 lines
27 KiB
Python
Executable File
778 lines
27 KiB
Python
Executable File
#!/usr/bin/python
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#
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# Copyright (C) 2013-2018 Free Software Foundation, Inc.
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#
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# This script is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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# This script adjusts the copyright notices at the top of source files
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# so that they have the form:
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#
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# Copyright XXXX-YYYY Free Software Foundation, Inc.
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#
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# It doesn't change code that is known to be maintained elsewhere or
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# that carries a non-FSF copyright.
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#
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# The script also doesn't change testsuite files, except those in
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# libstdc++-v3. This is because libstdc++-v3 has a conformance testsuite,
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# while most tests in other directories are just things that failed at some
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# point in the past.
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#
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# Pass --this-year to the script if you want it to add the current year
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# to all applicable notices. Pass --quilt if you are using quilt and
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# want files to be added to the quilt before being changed.
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#
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# By default the script will update all directories for which the
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# output has been vetted. You can instead pass the names of individual
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# directories, including those that haven't been approved. So:
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#
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# update-copyright.py --this-year
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#
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# is the command that would be used at the beginning of a year to update
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# all copyright notices (and possibly at other times to check whether
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# new files have been added with old years). On the other hand:
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#
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# update-copyright.py --this-year libitm
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#
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# would run the script on just libitm/.
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#
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# Note that things like --version output strings must be updated before
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# this script is run. There's already a separate procedure for that.
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import os
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import re
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import sys
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import time
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import subprocess
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class Errors:
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def __init__ (self):
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self.num_errors = 0
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def report (self, filename, string):
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if filename:
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string = filename + ': ' + string
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sys.stderr.write (string + '\n')
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self.num_errors += 1
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def ok (self):
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return self.num_errors == 0
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class GenericFilter:
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def __init__ (self):
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self.skip_files = set()
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self.skip_dirs = set()
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self.skip_extensions = set()
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self.fossilised_files = set()
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self.own_files = set()
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self.skip_files |= set ([
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# Skip licence files.
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'COPYING',
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'COPYING.LIB',
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'COPYING3',
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'COPYING3.LIB',
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'LICENSE',
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'fdl.texi',
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'gpl_v3.texi',
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'fdl-1.3.xml',
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'gpl-3.0.xml',
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# Skip auto- and libtool-related files
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'aclocal.m4',
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'compile',
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'config.guess',
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'config.sub',
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'depcomp',
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'install-sh',
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'libtool.m4',
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'ltmain.sh',
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'ltoptions.m4',
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'ltsugar.m4',
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'ltversion.m4',
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'lt~obsolete.m4',
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'missing',
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'mkdep',
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'mkinstalldirs',
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'move-if-change',
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'shlibpath.m4',
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'symlink-tree',
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'ylwrap',
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# Skip FSF mission statement, etc.
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'gnu.texi',
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'funding.texi',
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'appendix_free.xml',
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# Skip imported texinfo files.
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'texinfo.tex',
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])
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def get_line_filter (self, dir, filename):
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if filename.startswith ('ChangeLog'):
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# Ignore references to copyright in changelog entries.
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return re.compile ('\t')
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return None
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def skip_file (self, dir, filename):
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if filename in self.skip_files:
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return True
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(base, extension) = os.path.splitext (os.path.join (dir, filename))
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if extension in self.skip_extensions:
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return True
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if extension == '.in':
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# Skip .in files produced by automake.
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if os.path.exists (base + '.am'):
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return True
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# Skip files produced by autogen
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if (os.path.exists (base + '.def')
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and os.path.exists (base + '.tpl')):
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return True
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# Skip configure files produced by autoconf
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if filename == 'configure':
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if os.path.exists (base + '.ac'):
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return True
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if os.path.exists (base + '.in'):
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return True
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return False
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def skip_dir (self, dir, subdir):
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return subdir in self.skip_dirs
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def is_fossilised_file (self, dir, filename):
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if filename in self.fossilised_files:
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return True
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# Only touch current current ChangeLogs.
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if filename != 'ChangeLog' and filename.find ('ChangeLog') >= 0:
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return True
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return False
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def by_package_author (self, dir, filename):
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return filename in self.own_files
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class Copyright:
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def __init__ (self, errors):
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self.errors = errors
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# Characters in a range of years. Include '.' for typos.
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ranges = '[0-9](?:[-0-9.,\s]|\s+and\s+)*[0-9]'
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# Non-whitespace characters in a copyright holder's name.
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name = '[\w.,-]'
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# Matches one year.
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self.year_re = re.compile ('[0-9]+')
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# Matches part of a year or copyright holder.
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self.continuation_re = re.compile (ranges + '|' + name)
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# Matches a full copyright notice:
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self.copyright_re = re.compile (
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# 1: 'Copyright (C)', etc.
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'([Cc]opyright'
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'|[Cc]opyright\s+\([Cc]\)'
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'|[Cc]opyright\s+%s'
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'|[Cc]opyright\s+©'
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'|[Cc]opyright\s+@copyright{}'
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'|copyright = u\''
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'|@set\s+copyright[\w-]+)'
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# 2: the years. Include the whitespace in the year, so that
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# we can remove any excess.
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'(\s*(?:' + ranges + ',?'
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'|@value\{[^{}]*\})\s*)'
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# 3: 'by ', if used
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'(by\s+)?'
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# 4: the copyright holder. Don't allow multiple consecutive
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# spaces, so that right-margin gloss doesn't get caught
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# (e.g. gnat_ugn.texi).
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'(' + name + '(?:\s?' + name + ')*)?')
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# A regexp for notices that might have slipped by. Just matching
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# 'copyright' is too noisy, and 'copyright.*[0-9]' falls foul of
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# HTML header markers, so check for 'copyright' and two digits.
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self.other_copyright_re = re.compile ('copyright.*[0-9][0-9]',
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re.IGNORECASE)
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self.comment_re = re.compile('#+|[*]+|;+|%+|//+|@c |dnl ')
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self.holders = { '@copying': '@copying' }
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self.holder_prefixes = set()
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# True to 'quilt add' files before changing them.
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self.use_quilt = False
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# If set, force all notices to include this year.
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self.max_year = None
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# Goes after the year(s). Could be ', '.
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self.separator = ' '
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def add_package_author (self, holder, canon_form = None):
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if not canon_form:
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canon_form = holder
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self.holders[holder] = canon_form
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index = holder.find (' ')
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while index >= 0:
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self.holder_prefixes.add (holder[:index])
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index = holder.find (' ', index + 1)
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def add_external_author (self, holder):
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self.holders[holder] = None
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class BadYear():
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def __init__ (self, year):
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self.year = year
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def __str__ (self):
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return 'unrecognised year: ' + self.year
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def parse_year (self, string):
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year = int (string)
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if len (string) == 2:
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if year > 70:
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return year + 1900
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elif len (string) == 4:
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return year
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raise self.BadYear (string)
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def year_range (self, years):
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year_list = [self.parse_year (year)
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for year in self.year_re.findall (years)]
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assert len (year_list) > 0
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return (min (year_list), max (year_list))
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def set_use_quilt (self, use_quilt):
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self.use_quilt = use_quilt
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def include_year (self, year):
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assert not self.max_year
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self.max_year = year
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def canonicalise_years (self, dir, filename, filter, years):
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# Leave texinfo variables alone.
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if years.startswith ('@value'):
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return years
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(min_year, max_year) = self.year_range (years)
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# Update the upper bound, if enabled.
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if self.max_year and not filter.is_fossilised_file (dir, filename):
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max_year = max (max_year, self.max_year)
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# Use a range.
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if min_year == max_year:
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return '%d' % min_year
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else:
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return '%d-%d' % (min_year, max_year)
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def strip_continuation (self, line):
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line = line.lstrip()
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match = self.comment_re.match (line)
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if match:
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line = line[match.end():].lstrip()
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return line
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def is_complete (self, match):
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holder = match.group (4)
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return (holder
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and (holder not in self.holder_prefixes
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or holder in self.holders))
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def update_copyright (self, dir, filename, filter, file, line, match):
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orig_line = line
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next_line = None
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pathname = os.path.join (dir, filename)
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intro = match.group (1)
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if intro.startswith ('@set'):
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# Texinfo year variables should always be on one line
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after_years = line[match.end (2):].strip()
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if after_years != '':
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self.errors.report (pathname,
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'trailing characters in @set: '
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+ after_years)
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return (False, orig_line, next_line)
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else:
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# If it looks like the copyright is incomplete, add the next line.
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while not self.is_complete (match):
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try:
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next_line = file.next()
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except StopIteration:
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break
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# If the next line doesn't look like a proper continuation,
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# assume that what we've got is complete.
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continuation = self.strip_continuation (next_line)
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if not self.continuation_re.match (continuation):
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break
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# Merge the lines for matching purposes.
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orig_line += next_line
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line = line.rstrip() + ' ' + continuation
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next_line = None
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# Rematch with the longer line, at the original position.
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match = self.copyright_re.match (line, match.start())
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assert match
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holder = match.group (4)
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# Use the filter to test cases where markup is getting in the way.
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if filter.by_package_author (dir, filename):
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assert holder not in self.holders
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elif not holder:
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self.errors.report (pathname, 'missing copyright holder')
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return (False, orig_line, next_line)
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elif holder not in self.holders:
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self.errors.report (pathname,
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'unrecognised copyright holder: ' + holder)
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return (False, orig_line, next_line)
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else:
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# See whether the copyright is associated with the package
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# author.
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canon_form = self.holders[holder]
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if not canon_form:
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return (False, orig_line, next_line)
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# Make sure the author is given in a consistent way.
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line = (line[:match.start (4)]
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+ canon_form
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+ line[match.end (4):])
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# Remove any 'by'
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line = line[:match.start (3)] + line[match.end (3):]
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# Update the copyright years.
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years = match.group (2).strip()
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try:
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canon_form = self.canonicalise_years (dir, filename, filter, years)
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except self.BadYear as e:
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self.errors.report (pathname, str (e))
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return (False, orig_line, next_line)
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line = (line[:match.start (2)]
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+ ('' if intro.startswith ('copyright = ') else ' ')
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+ canon_form + self.separator
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+ line[match.end (2):])
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# Use the standard (C) form.
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if intro.endswith ('right'):
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intro += ' (C)'
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elif intro.endswith ('(c)'):
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intro = intro[:-3] + '(C)'
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line = line[:match.start (1)] + intro + line[match.end (1):]
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# Strip trailing whitespace
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line = line.rstrip() + '\n'
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return (line != orig_line, line, next_line)
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def process_file (self, dir, filename, filter):
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pathname = os.path.join (dir, filename)
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if filename.endswith ('.tmp'):
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# Looks like something we tried to create before.
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try:
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os.remove (pathname)
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except OSError:
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pass
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return
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lines = []
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changed = False
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line_filter = filter.get_line_filter (dir, filename)
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mode = None
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with open (pathname, 'r') as file:
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prev = None
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mode = os.fstat (file.fileno()).st_mode
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for line in file:
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while line:
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next_line = None
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# Leave filtered-out lines alone.
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if not (line_filter and line_filter.match (line)):
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match = self.copyright_re.search (line)
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if match:
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res = self.update_copyright (dir, filename, filter,
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file, line, match)
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(this_changed, line, next_line) = res
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changed = changed or this_changed
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# Check for copyright lines that might have slipped by.
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elif self.other_copyright_re.search (line):
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self.errors.report (pathname,
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'unrecognised copyright: %s'
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% line.strip())
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lines.append (line)
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line = next_line
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# If something changed, write the new file out.
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if changed and self.errors.ok():
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tmp_pathname = pathname + '.tmp'
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with open (tmp_pathname, 'w') as file:
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for line in lines:
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file.write (line)
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os.fchmod (file.fileno(), mode)
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if self.use_quilt:
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subprocess.call (['quilt', 'add', pathname])
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os.rename (tmp_pathname, pathname)
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def process_tree (self, tree, filter):
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for (dir, subdirs, filenames) in os.walk (tree):
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# Don't recurse through directories that should be skipped.
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for i in xrange (len (subdirs) - 1, -1, -1):
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if filter.skip_dir (dir, subdirs[i]):
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del subdirs[i]
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# Handle the files in this directory.
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for filename in filenames:
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if filter.skip_file (dir, filename):
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sys.stdout.write ('Skipping %s\n'
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% os.path.join (dir, filename))
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else:
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self.process_file (dir, filename, filter)
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class CmdLine:
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def __init__ (self, copyright = Copyright):
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self.errors = Errors()
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self.copyright = copyright (self.errors)
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self.dirs = []
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self.default_dirs = []
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self.chosen_dirs = []
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self.option_handlers = dict()
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self.option_help = []
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self.add_option ('--help', 'Print this help', self.o_help)
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self.add_option ('--quilt', '"quilt add" files before changing them',
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self.o_quilt)
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self.add_option ('--this-year', 'Add the current year to every notice',
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self.o_this_year)
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def add_option (self, name, help, handler):
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self.option_help.append ((name, help))
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self.option_handlers[name] = handler
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def add_dir (self, dir, filter = GenericFilter()):
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self.dirs.append ((dir, filter))
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def o_help (self, option = None):
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sys.stdout.write ('Usage: %s [options] dir1 dir2...\n\n'
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'Options:\n' % sys.argv[0])
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format = '%-15s %s\n'
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for (what, help) in self.option_help:
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sys.stdout.write (format % (what, help))
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sys.stdout.write ('\nDirectories:\n')
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format = '%-25s'
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i = 0
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for (dir, filter) in self.dirs:
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i += 1
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if i % 3 == 0 or i == len (self.dirs):
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sys.stdout.write (dir + '\n')
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else:
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sys.stdout.write (format % dir)
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sys.exit (0)
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def o_quilt (self, option):
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self.copyright.set_use_quilt (True)
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def o_this_year (self, option):
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self.copyright.include_year (time.localtime().tm_year)
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def main (self):
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for arg in sys.argv[1:]:
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if arg[:1] != '-':
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self.chosen_dirs.append (arg)
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elif arg in self.option_handlers:
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self.option_handlers[arg] (arg)
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else:
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self.errors.report (None, 'unrecognised option: ' + arg)
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if self.errors.ok():
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if len (self.chosen_dirs) == 0:
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self.chosen_dirs = self.default_dirs
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if len (self.chosen_dirs) == 0:
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self.o_help()
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else:
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for chosen_dir in self.chosen_dirs:
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canon_dir = os.path.join (chosen_dir, '')
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count = 0
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for (dir, filter) in self.dirs:
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if (dir + os.sep).startswith (canon_dir):
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count += 1
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self.copyright.process_tree (dir, filter)
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if count == 0:
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self.errors.report (None, 'unrecognised directory: '
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+ chosen_dir)
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sys.exit (0 if self.errors.ok() else 1)
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#----------------------------------------------------------------------------
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class TopLevelFilter (GenericFilter):
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def skip_dir (self, dir, subdir):
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return True
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class ConfigFilter (GenericFilter):
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def __init__ (self):
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GenericFilter.__init__ (self)
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def skip_file (self, dir, filename):
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if filename.endswith ('.m4'):
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pathname = os.path.join (dir, filename)
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with open (pathname) as file:
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# Skip files imported from gettext.
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if file.readline().find ('gettext-') >= 0:
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return True
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return GenericFilter.skip_file (self, dir, filename)
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class GCCFilter (GenericFilter):
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def __init__ (self):
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GenericFilter.__init__ (self)
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self.skip_files |= set ([
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# Not part of GCC
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'math-68881.h',
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])
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self.skip_dirs |= set ([
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# Better not create a merge nightmare for the GNAT folks.
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'ada',
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# Handled separately.
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'testsuite',
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])
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self.skip_extensions |= set ([
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# Maintained by the translation project.
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'.po',
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# Automatically-generated.
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'.pot',
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])
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self.fossilised_files |= set ([
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# Old news won't be updated.
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'ONEWS',
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])
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class TestsuiteFilter (GenericFilter):
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def __init__ (self):
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GenericFilter.__init__ (self)
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self.skip_extensions |= set ([
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# Don't change the tests, which could be woend by anyone.
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'.c',
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'.C',
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'.cc',
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'.d',
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'.h',
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'.hs',
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'.f',
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'.f90',
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'.go',
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'.inc',
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'.java',
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])
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def skip_file (self, dir, filename):
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# g++.niklas/README contains historical copyright information
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# and isn't updated.
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if filename == 'README' and os.path.basename (dir) == 'g++.niklas':
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return True
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# Similarly params/README.
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if filename == 'README' and os.path.basename (dir) == 'params':
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return True
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if filename == 'pdt_5.f03' and os.path.basename (dir) == 'gfortran.dg':
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return True
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return GenericFilter.skip_file (self, dir, filename)
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class LibCppFilter (GenericFilter):
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def __init__ (self):
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GenericFilter.__init__ (self)
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self.skip_extensions |= set ([
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# Maintained by the translation project.
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'.po',
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# Automatically-generated.
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'.pot',
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])
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class LibGCCFilter (GenericFilter):
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def __init__ (self):
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GenericFilter.__init__ (self)
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self.skip_dirs |= set ([
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# Imported from GLIBC.
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'soft-fp',
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])
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class LibPhobosFilter (GenericFilter):
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def __init__ (self):
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GenericFilter.__init__ (self)
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self.skip_files |= set ([
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# Source module imported from upstream.
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'object.d',
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])
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self.skip_dirs |= set ([
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# Contains sources imported from upstream.
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'core',
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'etc',
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'gc',
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'gcstub',
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'rt',
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'std',
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])
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class LibStdCxxFilter (GenericFilter):
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def __init__ (self):
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GenericFilter.__init__ (self)
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self.skip_files |= set ([
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# Contains no copyright of its own, but quotes the GPL.
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'intro.xml',
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])
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self.skip_dirs |= set ([
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# Contains automatically-generated sources.
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'html',
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# The testsuite data files shouldn't be changed.
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'data',
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# Contains imported images
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'images',
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])
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self.own_files |= set ([
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# Contains markup around the copyright owner.
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'spine.xml',
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])
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def get_line_filter (self, dir, filename):
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if filename == 'boost_concept_check.h':
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return re.compile ('// \(C\) Copyright Jeremy Siek')
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return GenericFilter.get_line_filter (self, dir, filename)
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class GCCCopyright (Copyright):
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def __init__ (self, errors):
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Copyright.__init__ (self, errors)
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canon_fsf = 'Free Software Foundation, Inc.'
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self.add_package_author ('Free Software Foundation', canon_fsf)
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self.add_package_author ('Free Software Foundation.', canon_fsf)
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self.add_package_author ('Free Software Foundation Inc.', canon_fsf)
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self.add_package_author ('Free Software Foundation, Inc', canon_fsf)
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self.add_package_author ('Free Software Foundation, Inc.', canon_fsf)
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self.add_package_author ('The Free Software Foundation', canon_fsf)
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self.add_package_author ('The Free Software Foundation, Inc.', canon_fsf)
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self.add_package_author ('Software Foundation, Inc.', canon_fsf)
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self.add_external_author ('ARM')
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self.add_external_author ('AdaCore')
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self.add_external_author ('Ami Tavory and Vladimir Dreizin, IBM-HRL.')
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self.add_external_author ('Cavium Networks.')
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self.add_external_author ('Faraday Technology Corp.')
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self.add_external_author ('Florida State University')
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self.add_external_author ('Greg Colvin and Beman Dawes.')
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self.add_external_author ('Hewlett-Packard Company')
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self.add_external_author ('Intel Corporation')
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self.add_external_author ('Information Technology Industry Council.')
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self.add_external_author ('James Theiler, Brian Gough')
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self.add_external_author ('Makoto Matsumoto and Takuji Nishimura,')
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self.add_external_author ('National Research Council of Canada.')
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self.add_external_author ('NVIDIA Corporation')
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self.add_external_author ('Peter Dimov and Multi Media Ltd.')
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self.add_external_author ('Peter Dimov')
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self.add_external_author ('Pipeline Associates, Inc.')
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self.add_external_author ('Regents of the University of California.')
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self.add_external_author ('Silicon Graphics Computer Systems, Inc.')
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self.add_external_author ('Silicon Graphics')
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self.add_external_author ('Stephen L. Moshier')
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self.add_external_author ('Sun Microsystems, Inc. All rights reserved.')
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self.add_external_author ('The D Language Foundation, All Rights Reserved')
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self.add_external_author ('The Go Authors. All rights reserved.')
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self.add_external_author ('The Go Authors. All rights reserved.')
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self.add_external_author ('The Go Authors.')
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self.add_external_author ('The Regents of the University of California.')
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self.add_external_author ('Unicode, Inc.')
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self.add_external_author ('University of Toronto.')
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class GCCCmdLine (CmdLine):
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def __init__ (self):
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CmdLine.__init__ (self, GCCCopyright)
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self.add_dir ('.', TopLevelFilter())
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# boehm-gc is imported from upstream.
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self.add_dir ('config', ConfigFilter())
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# contrib isn't really part of GCC.
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self.add_dir ('fixincludes')
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self.add_dir ('gcc', GCCFilter())
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self.add_dir (os.path.join ('gcc', 'testsuite'), TestsuiteFilter())
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self.add_dir ('gnattools')
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self.add_dir ('gotools')
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self.add_dir ('include')
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# intl is imported from upstream.
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self.add_dir ('libada')
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self.add_dir ('libatomic')
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self.add_dir ('libbacktrace')
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self.add_dir ('libcc1')
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self.add_dir ('libcpp', LibCppFilter())
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self.add_dir ('libdecnumber')
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# libffi is imported from upstream.
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self.add_dir ('libgcc', LibGCCFilter())
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self.add_dir ('libgfortran')
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# libgo is imported from upstream.
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self.add_dir ('libgomp')
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self.add_dir ('libhsail-rt')
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self.add_dir ('libiberty')
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self.add_dir ('libitm')
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self.add_dir ('libobjc')
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# liboffloadmic is imported from upstream.
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self.add_dir ('libphobos', LibPhobosFilter())
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self.add_dir ('libquadmath')
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# libsanitizer is imported from upstream.
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self.add_dir ('libssp')
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self.add_dir ('libstdc++-v3', LibStdCxxFilter())
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self.add_dir ('libvtv')
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self.add_dir ('lto-plugin')
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# maintainer-scripts maintainer-scripts
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# zlib is imported from upstream.
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self.default_dirs = [
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'gcc',
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'include',
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'libada',
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'libatomic',
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'libbacktrace',
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'libcc1',
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'libcpp',
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'libdecnumber',
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'libgcc',
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'libgfortran',
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'libgomp',
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'libhsail-rt',
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'libiberty',
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'libitm',
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'libobjc',
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'libphobos',
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'libssp',
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'libstdc++-v3',
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'libvtv',
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'lto-plugin',
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]
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GCCCmdLine().main()
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