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      1 #!/usr/local/bin/python
      2 # -*- coding: iso-8859-1 -*-
      3 
      4 # Id
      5 
      6 # Copyright (c) 2004 Kungliga Tekniska Hgskolan
      7 # (Royal Institute of Technology, Stockholm, Sweden). 
      8 # All rights reserved. 
      9 # 
     10 # Redistribution and use in source and binary forms, with or without 
     11 # modification, are permitted provided that the following conditions 
     12 # are met: 
     13 # 
     14 # 1. Redistributions of source code must retain the above copyright 
     15 #    notice, this list of conditions and the following disclaimer. 
     16 # 
     17 # 2. Redistributions in binary form must reproduce the above copyright 
     18 #    notice, this list of conditions and the following disclaimer in the 
     19 #    documentation and/or other materials provided with the distribution. 
     20 # 
     21 # 3. Neither the name of the Institute nor the names of its contributors 
     22 #    may be used to endorse or promote products derived from this software 
     23 #    without specific prior written permission. 
     24 # 
     25 # THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
     26 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
     27 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
     28 # ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
     29 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
     30 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
     31 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
     32 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
     33 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
     34 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
     35 # SUCH DAMAGE. 
     36 
     37 import re
     38 import string
     39 import sys
     40 
     41 import generate
     42 import rfc3454
     43 import rfc4518
     44 import stringprep
     45 
     46 if len(sys.argv) != 3:
     47     print("usage: %s rfc3454.txt out-dir" % sys.argv[0])
     48     sys.exit(1)
     49 
     50 tables = rfc3454.read(sys.argv[1])
     51 t2 = rfc4518.read()
     52 
     53 for x in t2.keys():
     54     tables[x] = t2[x]
     55 
     56 error_list = stringprep.get_errorlist()
     57 
     58 errorlist_h = generate.Header('%s/errorlist_table.h' % sys.argv[2])
     59 
     60 errorlist_c = generate.Implementation('%s/errorlist_table.c' % sys.argv[2])
     61 
     62 errorlist_h.file.write(
     63 '''
     64 #include "windlocl.h"
     65 
     66 struct error_entry {
     67   uint32_t start;
     68   unsigned len;
     69   wind_profile_flags flags;
     70 };
     71 
     72 extern const struct error_entry _wind_errorlist_table[];
     73 
     74 extern const size_t _wind_errorlist_table_size;
     75 
     76 ''')
     77 
     78 errorlist_c.file.write(
     79 '''
     80 #include "errorlist_table.h"
     81 #include <stdlib.h>
     82 
     83 const struct error_entry _wind_errorlist_table[] = {
     84 ''')
     85 
     86 trans=[]
     87 
     88 for t in error_list.keys():
     89     for l in tables[t]:
     90         m = re.search('^ *([0-9A-F]+)-([0-9A-F]+); *(.*) *$', l)
     91         if m:
     92             start = int(m.group(1), 0x10)
     93             end   = int(m.group(2), 0x10)
     94             desc  = m.group(3)
     95             trans.append([start, end - start + 1, desc, [t]])
     96         else:
     97             m = re.search('^ *([0-9A-F]+); *(.*) *$', l)
     98             if m:
     99                 trans.append([int(m.group(1), 0x10), 1, m.group(2), [t]])
    100 
    101 trans = stringprep.sort_merge_trans(trans)
    102 
    103 for x in trans:
    104     (start, length, description, tables) = x
    105     symbols = stringprep.symbols(error_list, tables)
    106     if len(symbols) == 0:
    107         print("no symbol for %s" % description)
    108         sys.exit(1)
    109     errorlist_c.file.write("  {0x%x, 0x%x, %s}, /* %s: %s */\n"
    110                 % (start, length, symbols, ",".join(tables), description))
    111 
    112 errorlist_c.file.write(
    113 '''};
    114 
    115 ''')
    116 
    117 errorlist_c.file.write(
    118     "const size_t _wind_errorlist_table_size = %u;\n" % len(trans))
    119 
    120 errorlist_h.close()
    121 errorlist_c.close()
    122