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53 lines
1000 B
53 lines
1000 B
4 months ago
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import unittest
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import textwrap
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import antlr3
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import testbase
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class T(testbase.ANTLRTest):
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def testRewrite(self):
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self.compileGrammar()
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input = textwrap.dedent(
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'''\
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method foo() {
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i = 3;
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k = i;
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i = k*4;
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}
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method bar() {
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j = i*2;
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}
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''')
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cStream = antlr3.StringStream(input)
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lexer = self.getLexer(cStream)
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tStream = antlr3.TokenRewriteStream(lexer)
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parser = self.getParser(tStream)
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parser.program()
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expectedOutput = textwrap.dedent('''\
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public class Wrapper {
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public void foo() {
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int k;
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int i;
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i = 3;
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k = i;
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i = k*4;
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}
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public void bar() {
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int j;
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j = i*2;
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}
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}
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''')
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self.assertEqual(str(tStream), expectedOutput)
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if __name__ == '__main__':
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unittest.main()
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