Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | |
| 3 | # Copyright (C) 2006-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| 4 | # |
| 5 | # All rights reserved. |
| 6 | # |
| 7 | # Redistribution and use in source and binary forms, with or without |
| 8 | # modification, are permitted provided that the following conditions are |
| 9 | # met: |
| 10 | # |
| 11 | # * Redistributions of source code must retain the above copyright |
| 12 | # notice, this list of conditions and the following disclaimer. |
| 13 | # * Redistributions in binary form must reproduce the above copyright |
| 14 | # notice, this list of conditions and the following disclaimer in |
| 15 | # the documentation and/or other materials provided with the |
| 16 | # distribution. |
| 17 | # * Neither the author nor the names of any contributors may be used |
| 18 | # to endorse or promote products derived from this software without |
| 19 | # specific prior written permission. |
| 20 | # |
| 21 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 22 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 23 | # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 24 | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| 25 | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 26 | # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 27 | # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 28 | # OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 29 | # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 30 | # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 31 | # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 32 | |
| 33 | |
| 34 | # This parses C code using regexes (yes, thats horrible) and makes sure |
| 35 | # that calling conventions to the function psf_binheader_writef are |
| 36 | # correct. |
| 37 | |
| 38 | |
| 39 | |
| 40 | import re, string, sys |
| 41 | |
| 42 | _whitespace_re = re.compile ("\s+", re.MULTILINE) |
| 43 | |
| 44 | def find_binheader_writefs (data): |
| 45 | lst = re.findall ('psf_binheader_writef\s*\(\s*[a-zA-Z_]+\s*,\s*\"[^;]+;', data, re.MULTILINE) |
| 46 | return [_whitespace_re.sub (" ", x) for x in lst] |
| 47 | |
| 48 | def find_format_string (s): |
| 49 | fmt = re.search ('"([^"]+)"', s) |
| 50 | if not fmt: |
| 51 | print "Bad format in :\n\n\t%s\n\n" % s |
| 52 | sys.exit (1) |
| 53 | fmt = fmt.groups () |
| 54 | if len (fmt) != 1: |
| 55 | print "Bad format in :\n\n\t%s\n\n" % s |
| 56 | sys.exit (1) |
| 57 | return _whitespace_re.sub ("", fmt [0]) |
| 58 | |
| 59 | def get_param_list (data): |
| 60 | dlist = re.search ("\((.+)\)\s*;", data) |
| 61 | dlist = dlist.groups ()[0] |
| 62 | dlist = string.split (dlist, ",") |
| 63 | dlist = [string.strip (x) for x in dlist] |
| 64 | return dlist [2:] |
| 65 | |
| 66 | def handle_file (fname): |
| 67 | errors = 0 |
| 68 | data = open (fname, "r").read () |
| 69 | |
| 70 | writefs = find_binheader_writefs (data) |
| 71 | for item in writefs: |
| 72 | fmt = find_format_string (item) |
| 73 | params = get_param_list (item) |
| 74 | param_index = 0 |
| 75 | |
| 76 | # print item |
| 77 | |
| 78 | for ch in fmt: |
| 79 | if ch in 'Eet ': |
| 80 | continue |
| 81 | |
| 82 | # print " param [%d] %c : %s" % (param_index, ch, params [param_index]) |
| 83 | |
| 84 | if ch != 'b': |
| 85 | param_index += 1 |
| 86 | continue |
| 87 | |
| 88 | # print item |
| 89 | # print " param [%d] %c : %s <-> %s" % (param_index, ch, params [param_index], params [param_index + 1]) |
| 90 | |
| 91 | if string.find (params [param_index + 1], "sizeof") < 0 \ |
| 92 | and string.find (params [param_index + 1], "make_size_t") < 0 \ |
| 93 | and string.find (params [param_index + 1], "strlen") < 0: |
| 94 | if errors == 0: print |
| 95 | print "\n%s :" % fname |
| 96 | print " param [%d] %c : %s <-> %s" % (param_index, ch, params [param_index], params [param_index + 1]) |
| 97 | print " %s" % item |
| 98 | errors += 1 |
| 99 | param_index += 2 |
| 100 | |
| 101 | return errors |
| 102 | |
| 103 | #=============================================================================== |
| 104 | |
| 105 | if len (sys.argv) > 1: |
| 106 | print "\n binheader_writef_check :", |
| 107 | sys.stdout.flush () |
| 108 | errors = 0 |
| 109 | for fname in sys.argv [1:]: |
| 110 | errors += handle_file (fname) |
| 111 | if errors > 0: |
| 112 | print "\nErrors : %d\n" % errors |
| 113 | sys.exit (1) |
| 114 | |
| 115 | print "ok\n" |
| 116 | |