# # 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]