1#
2# Copyright (c) 2008 Kungliga Tekniska Högskolan
3# (Royal Institute of Technology, Stockholm, Sweden).
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9#
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12#
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16#
17# 3. Neither the name of the Institute nor the names of its contributors
18#    may be used to endorse or promote products derived from this software
19#    without specific prior written permission.
20#
21# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24# ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31# SUCH DAMAGE.
32
33
34import sys
35
36tokens = [ 'SYMBOL' ]
37literals = ['{','}',';', ':']
38
39t_SYMBOL    = r'[a-zA-Z_][a-zA-Z0-9_\.]*'
40t_ignore = " \t\n"
41
42def t_error(t):
43    print "Illegal character '%s'" % t.value[0]
44    t.lexer.skip(1)
45
46import ply.lex as lex
47lex.lex()
48
49namespace = "global"
50symbols = []
51
52def p_syms(p):
53    'syms : SYMBOL "{" elements "}"'
54    print "# %s" % p[1]
55
56def p_elements(p):
57    '''elements : element
58             | element elements'''
59
60def p_element(p):
61    '''element : SYMBOL ":"
62               | SYMBOL ";"'''
63    global namespace
64    if p[2] == ':':
65        namespace = p[1]
66    else:
67        symbols.append([namespace, p[1]])
68
69def p_error(p):
70    if p:
71        print "Syntax error at '%s'" % p.value
72    else:
73        print "Syntax error at EOF"
74
75import ply.yacc as yacc
76yacc.yacc()
77
78lines = sys.stdin.readlines()
79
80for line in lines:
81    yacc.parse(line)
82
83for symbol in symbols:
84    if symbol[0] == "global":
85        print "%s" % symbol[1]
86