| #!/usr/bin/python |
| |
| # Copyright (C) 2006-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| # |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in |
| # the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the author nor the names of any contributors may be used |
| # to endorse or promote products derived from this software without |
| # specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| # OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| |
| # This parses C code using regexes (yes, thats horrible) and makes sure |
| # that calling conventions to the function psf_binheader_writef are |
| # correct. |
| |
| |
| |
| import re, string, sys |
| |
| _whitespace_re = re.compile ("\s+", re.MULTILINE) |
| |
| def find_binheader_writefs (data): |
| lst = re.findall ('psf_binheader_writef\s*\(\s*[a-zA-Z_]+\s*,\s*\"[^;]+;', data, re.MULTILINE) |
| return [_whitespace_re.sub (" ", x) for x in lst] |
| |
| def find_format_string (s): |
| fmt = re.search ('"([^"]+)"', s) |
| if not fmt: |
| print "Bad format in :\n\n\t%s\n\n" % s |
| sys.exit (1) |
| fmt = fmt.groups () |
| if len (fmt) != 1: |
| print "Bad format in :\n\n\t%s\n\n" % s |
| sys.exit (1) |
| return _whitespace_re.sub ("", fmt [0]) |
| |
| def get_param_list (data): |
| dlist = re.search ("\((.+)\)\s*;", data) |
| dlist = dlist.groups ()[0] |
| dlist = string.split (dlist, ",") |
| dlist = [string.strip (x) for x in dlist] |
| return dlist [2:] |
| |
| def handle_file (fname): |
| errors = 0 |
| data = open (fname, "r").read () |
| |
| writefs = find_binheader_writefs (data) |
| for item in writefs: |
| fmt = find_format_string (item) |
| params = get_param_list (item) |
| param_index = 0 |
| |
| # print item |
| |
| for ch in fmt: |
| if ch in 'Eet ': |
| continue |
| |
| # print " param [%d] %c : %s" % (param_index, ch, params [param_index]) |
| |
| if ch != 'b': |
| param_index += 1 |
| continue |
| |
| # print item |
| # print " param [%d] %c : %s <-> %s" % (param_index, ch, params [param_index], params [param_index + 1]) |
| |
| if string.find (params [param_index + 1], "sizeof") < 0 \ |
| and string.find (params [param_index + 1], "make_size_t") < 0 \ |
| and string.find (params [param_index + 1], "strlen") < 0: |
| if errors == 0: print |
| print "\n%s :" % fname |
| print " param [%d] %c : %s <-> %s" % (param_index, ch, params [param_index], params [param_index + 1]) |
| print " %s" % item |
| errors += 1 |
| param_index += 2 |
| |
| return errors |
| |
| #=============================================================================== |
| |
| if len (sys.argv) > 1: |
| print "\n binheader_writef_check :", |
| sys.stdout.flush () |
| errors = 0 |
| for fname in sys.argv [1:]: |
| errors += handle_file (fname) |
| if errors > 0: |
| print "\nErrors : %d\n" % errors |
| sys.exit (1) |
| |
| print "ok\n" |
| |