| Ben Gruver | 324c464 | 2011-11-15 16:02:09 -0800 | [diff] [blame] | 1 | import antlr3 |
| 2 | import testbase |
| 3 | import unittest |
| 4 | |
| 5 | |
| 6 | class t032subrulePredict(testbase.ANTLRTest): |
| 7 | def setUp(self): |
| 8 | self.compileGrammar() |
| 9 | |
| 10 | |
| 11 | def parserClass(self, base): |
| 12 | class TParser(base): |
| 13 | def recover(self, input, re): |
| 14 | # no error recovery yet, just crash! |
| 15 | raise |
| 16 | |
| 17 | return TParser |
| 18 | |
| 19 | |
| 20 | def testValid1(self): |
| 21 | cStream = antlr3.StringStream( |
| 22 | 'BEGIN A END' |
| 23 | ) |
| 24 | |
| 25 | lexer = self.getLexer(cStream) |
| 26 | tStream = antlr3.CommonTokenStream(lexer) |
| 27 | parser = self.getParser(tStream) |
| 28 | events = parser.a() |
| 29 | |
| 30 | |
| 31 | @testbase.broken("DFA tries to look beyond end of rule b", Exception) |
| 32 | def testValid2(self): |
| 33 | cStream = antlr3.StringStream( |
| 34 | ' A' |
| 35 | ) |
| 36 | |
| 37 | lexer = self.getLexer(cStream) |
| 38 | tStream = antlr3.CommonTokenStream(lexer) |
| 39 | parser = self.getParser(tStream) |
| 40 | events = parser.b() |
| 41 | |
| 42 | |
| 43 | if __name__ == '__main__': |
| 44 | unittest.main() |
