lib/wind/gen-map.py

   1 #!/usr/local/bin/python
   2 # -*- coding: iso-8859-1 -*-
   3
   4 # $Id$
   5
   6 # Copyright (c) 2004 Kungliga Tekniska Högskolan
   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 import util
  46
  47 if len(sys.argv) != 3:
  48     print "usage: %s rfc3454.txt out-dir" % sys.argv[0]
  49     sys.exit(1)
  50
  51 tables = rfc3454.read(sys.argv[1])
  52 t2 = rfc4518.read()
  53
  54 for x in t2.iterkeys():
  55     tables[x] = t2[x]
  56
  57 map_list = stringprep.get_maplist()
  58
  59 map_h = generate.Header('%s/map_table.h' % sys.argv[2])
  60
  61 map_c = generate.Implementation('%s/map_table.c' % sys.argv[2])
  62
  63 map_h.file.write(
  64 '''
  65 #include "windlocl.h"
  66
  67 struct translation {
  68   uint32_t key;
  69   unsigned short val_len;
  70   unsigned short val_offset;
  71   wind_profile_flags flags;
  72 };
  73
  74 extern const struct translation _wind_map_table[];
  75
  76 extern const size_t _wind_map_table_size;
  77
  78 extern const uint32_t _wind_map_table_val[];
  79
  80 ''')
  81
  82 map_c.file.write(
  83 '''
  84 #include "map_table.h"
  85
  86 const struct translation _wind_map_table[] = {
  87 ''')
  88
  89 trans=[]
  90
  91 for t in map_list.iterkeys():
  92     for l in tables[t]:
  93         m = re.search('^ *([0-9A-F]+)-([0-9A-F]+); *([^;]+); *(.*) *$', l)
  94         if m:
  95             start = int(m.group(1), 0x10)
  96             end   = int(m.group(2), 0x10)
  97             value = m.group(3)
  98             desc  = m.group(4)
  99             for key in xrange(start,end,1):
 100                 trans.append((key, value, desc, [t]))
 101             continue
 102         m = re.search('^ *([^;]+); *([^;]+); *(.*) *$', l)
 103         if m:
 104             key   = int(m.group(1), 0x10)
 105             value = m.group(2)
 106             desc  = m.group(3)
 107             trans.append((key, value, desc, [t]))
 108             continue
 109
 110 valTable = []
 111 offsetTable = {}
 112
 113 trans = stringprep.sort_merge_trans(trans)
 114
 115 for x in trans:
 116     if x[0] == 0xad:
 117         print "fooresult %s" % ",".join(x[3])
 118
 119 for x in trans:
 120     (key, value, description, table) = x
 121     v = value.split()
 122     i = util.subList(valTable, v)
 123     if i:
 124         offsetTable[key] = i
 125     else:
 126         offsetTable[key] = len(valTable)
 127         valTable.extend(v)
 128
 129 for x in trans:
 130     (key, value, description, tables) = x
 131     symbols = stringprep.symbols(map_list, tables)
 132     if len(symbols) == 0:
 133         print "no symbol for %s %s (%s)" % (key, description, tables)
 134         sys.exit(1)
 135     v = value.split()
 136     map_c.file.write("  {0x%x, %u, %u, %s}, /* %s: %s */\n"
 137                 % (key, len(v), offsetTable[key], symbols, ",".join(tables), description))
 138
 139 map_c.file.write(
 140 '''
 141 };
 142
 143 ''')
 144
 145 map_c.file.write(
 146     "const size_t _wind_map_table_size = %u;\n\n" % len(trans))
 147
 148 map_c.file.write(
 149     "const uint32_t _wind_map_table_val[] = {\n")
 150
 151 for x in valTable:
 152     map_c.file.write("  0x%s,\n" % x)
 153
 154 map_c.file.write(
 155     "};\n\n")
 156
 157 map_h.close()
 158 map_c.close()