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git-svn-id: https://linkchecker.svn.sourceforge.net/svnroot/linkchecker/trunk/linkchecker@12 e7d03fd6-7b0d-0410-9947-9c21f3af8025
19 lines
No EOL
480 B
Python
19 lines
No EOL
480 B
Python
import PyLR
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class MyMathParser(PyLR.Parsers.MathParser):
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def addfunc(self, left, plus, right):
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print "%d + %d" % (left, right)
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return left + right
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def parenfunc(self, lp, expr, rp):
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print "handling parens"
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return expr
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def timesfunc(self, left, times, right):
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print "%d * %d" % (left, right)
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return left * right
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def _test():
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p = MyMathParser()
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p.parse("4 * (3 + 2 * 5)", 1)
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if __name__=='__main__':
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_test() |