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