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Support for Ellipsis and ... - #528
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I don't think that this is needed (see below) since we'll get a parse error if ellipsis is used incorrectly.
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Did a quick pass (see my comments), but looks mostly good. It's a bit sad how many changes such as simple feature requires... but they are all straightforward, so it's not a big deal. The lexer and parser could be rewritten at some point to be rule-based, but it's a bit pointless do it now as there are way more urgent things to work on. |
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Good suggestions. I've taken them along. |
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Looks good to me! Thanks for implementing this! |
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Added Python 3 specific support for ellipsis. See test cases for examples.
I have some doubt about the way I introduced the
ellipsisclass, which is the type of...andEllipsis. I've added it as a class tobuiltins.py, however, that makes code likea = ellipsis()legal, which it is not. I don't know how to haveellipsisas a class, while at the same time hiding it.Fixes #524.