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
37import re
38import string
39import sys
40
41import generate
42import rfc3454
43import rfc4518
44import stringprep
45
46if len(sys.argv) != 3:
47    print "usage: %s rfc3454.txt out-dir" % sys.argv[0]
48    sys.exit(1)
49
50tables = rfc3454.read(sys.argv[1])
51t2 = rfc4518.read()
52
53for x in t2.iterkeys():
54    tables[x] = t2[x]
55
56error_list = stringprep.get_errorlist()
57
58errorlist_h = generate.Header('%s/errorlist_table.h' % sys.argv[2])
59
60errorlist_c = generate.Implementation('%s/errorlist_table.c' % sys.argv[2])
61
62errorlist_h.file.write(
63'''
64#include "windlocl.h"
65
66struct error_entry {
67  uint32_t start;
68  unsigned len;
69  wind_profile_flags flags;
70};
71
72extern const struct error_entry _wind_errorlist_table[];
73
74extern const size_t _wind_errorlist_table_size;
75
76''')
77
78errorlist_c.file.write(
79'''
80#include <stdlib.h>
81#include "errorlist_table.h"
82
83const struct error_entry _wind_errorlist_table[] = {
84''')
85
86trans=[]
87
88for t in error_list.iterkeys():
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
101trans = stringprep.sort_merge_trans(trans)
102
103for 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
112errorlist_c.file.write(
113'''};
114
115''')
116
117errorlist_c.file.write(
118    "const size_t _wind_errorlist_table_size = %u;\n" % len(trans))
119
120errorlist_h.close()
121errorlist_c.close()
122