git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@23814 ec53bebd-3082-4978-b11e-865c3cabbd6b
		
			
				
	
	
		
			86 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
#
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# Copyright (c) 2008 Kungliga Tekniska Högskolan
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# (Royal Institute of Technology, Stockholm, Sweden). 
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# All rights reserved. 
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#
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# Redistribution and use in source and binary forms, with or without 
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# modification, are permitted provided that the following conditions 
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# are met: 
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#
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# 1. Redistributions of source code must retain the above copyright 
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#    notice, this list of conditions and the following disclaimer. 
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#
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# 2. Redistributions in binary form must reproduce the above copyright 
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#    notice, this list of conditions and the following disclaimer in the 
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#    documentation and/or other materials provided with the distribution. 
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#
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# 3. Neither the name of the Institute nor the names of its contributors 
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#    may be used to endorse or promote products derived from this software 
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#    without specific prior written permission. 
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#
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# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
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# ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
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# SUCH DAMAGE. 
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import sys
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tokens = [ 'SYMBOL' ]
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literals = ['{','}',';', ':']
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t_SYMBOL    = r'[a-zA-Z_][a-zA-Z0-9_\.]*'
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t_ignore = " \t\n"
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def t_error(t):
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    print "Illegal character '%s'" % t.value[0]
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    t.lexer.skip(1)
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import ply.lex as lex
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lex.lex()
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namespace = "global"
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symbols = []
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def p_syms(p):
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    'syms : SYMBOL "{" elements "}"'
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    print "# %s" % p[1]
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def p_elements(p):
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    '''elements : element
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             | element elements'''
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def p_element(p):
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    '''element : SYMBOL ":"
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               | SYMBOL ";"'''
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    global namespace
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    if p[2] == ':':
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        namespace = p[1]
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    else:
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        symbols.append([namespace, p[1]])
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def p_error(p):
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    if p:
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        print "Syntax error at '%s'" % p.value
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    else:
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        print "Syntax error at EOF"
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import ply.yacc as yacc
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yacc.yacc()
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lines = sys.stdin.readlines()
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for line in lines:
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    yacc.parse(line)
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for symbol in symbols:
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    if symbol[0] == "global":
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        print "%s" % symbol[1]
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