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| author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2020-05-01 20:24:25 +0100 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-05-01 20:24:25 +0100 |
| commit | 21588e15dfa8b117b503769119320e718bade351 (patch) | |
| tree | c10be6c66f2d6220d98c316c44bb3f9677ad1a1d /editors/code | |
| parent | 302777f0041540bf6790fde2acc3bb5b04e72427 (diff) | |
| parent | 3bb46042fb5b8ee421e350c54079cb68b4edc996 (diff) | |
Merge #4246
4246: Validate uses of self and super r=matklad a=djrenren
This change follows on the validation of the `crate` keyword in paths. It verifies the following things:
`super`:
- May only be preceded by other `super` segments
- If in a `UseItem` then all semantically preceding paths also consist only of `super`
`self`
- May only be the start of a path
Just a note, a couple times while working on this I found myself really wanting a Visitor of some sort so that I could traverse descendants while skipping sub-trees that are unimportant. Iterators don't really work for this, so as you can see I reached for recursion. Considering paths are generally small a fancy debounced visitor probably isn't important but figured I'd say something in case we had something like this lying around and I wasn't using it.
Co-authored-by: John Renner <[email protected]>
Diffstat (limited to 'editors/code')
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