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