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