1 import antlr3 2 import testbase 3 import unittest 4 5 6 class t039labels(testbase.ANTLRTest): 7 def setUp(self): 8 self.compileGrammar() 9 10 11 def lexerClass(self, base): 12 class TLexer(base): 13 def recover(self, input, re): 14 # no error recovery yet, just crash! 15 raise 16 17 return TLexer 18 19 20 def parserClass(self, base): 21 class TParser(base): 22 def recover(self, input, re): 23 # no error recovery yet, just crash! 24 raise 25 26 return TParser 27 28 29 def testValid1(self): 30 cStream = antlr3.StringStream( 31 'a, b, c, 1, 2 A FOOBAR GNU1 A BLARZ' 32 ) 33 34 lexer = self.getLexer(cStream) 35 tStream = antlr3.CommonTokenStream(lexer) 36 parser = self.getParser(tStream) 37 ids, w = parser.a() 38 39 assert len(ids) == 6, ids 40 assert ids[0].text == 'a', ids[0] 41 assert ids[1].text == 'b', ids[1] 42 assert ids[2].text == 'c', ids[2] 43 assert ids[3].text == '1', ids[3] 44 assert ids[4].text == '2', ids[4] 45 assert ids[5].text == 'A', ids[5] 46 47 assert w.text == 'GNU1', w 48 49 50 if __name__ == '__main__': 51 unittest.main() 52 53 54
