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[heimdal.git] / cf / symbol-version.py
blob414f06f8f040437c4fc80f91bc20845b165fa2f7
2 # Copyright (c) 2008 Kungliga Tekniska Högskolan
3 # (Royal Institute of Technology, Stockholm, Sweden).
4 # All rights reserved.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
8 # are met:
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
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.
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.
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.
34 import sys
36 tokens = [ 'SYMBOL' ]
37 literals = ['{','}',';', ':']
39 t_SYMBOL = r'[a-zA-Z_][a-zA-Z0-9_\.]*'
40 t_ignore = " \t\n"
42 def t_error(t):
43 print "Illegal character '%s'" % t.value[0]
44 t.lexer.skip(1)
46 import ply.lex as lex
47 lex.lex()
49 namespace = "global"
50 symbols = []
52 def p_syms(p):
53 'syms : SYMBOL "{" elements "}"'
54 print "# %s" % p[1]
56 def p_elements(p):
57 '''elements : element
58 | element elements'''
60 def 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]])
69 def p_error(p):
70 if p:
71 print "Syntax error at '%s'" % p.value
72 else:
73 print "Syntax error at EOF"
75 import ply.yacc as yacc
76 yacc.yacc()
78 lines = sys.stdin.readlines()
80 for line in lines:
81 yacc.parse(line)
83 for symbol in symbols:
84 if symbol[0] == "global":
85 print "%s" % symbol[1]