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| author | bors[bot] <bors[bot]@users.noreply.github.com> | 2019-04-14 15:16:42 +0100 |
|---|---|---|
| committer | bors[bot] <bors[bot]@users.noreply.github.com> | 2019-04-14 15:16:42 +0100 |
| commit | 5d35f284f5ac70cde5d758e7c63a38eae0fb0b55 (patch) | |
| tree | 4cde8df0f4a496bb1f38b3e3479ce462fc1f7426 /crates/ra_tt | |
| parent | fcbd0269545f2b6687a64a868654c74f876b7851 (diff) | |
| parent | 6646d49f238bb92d55fcb4900830f19faa2994a5 (diff) | |
Merge #1138
1138: Add L_DOLLAR and R_DOLLAR r=matklad a=edwin0cheng
As discussion in issue https://github.com/rust-analyzer/rust-analyzer/issues/1132 and PR #1125 , this PR add 2 `Syntax::Kind` : `L_DOLLAR` and `R_DOLLAR` for representing `Delimiter::None` in mbe and proc_marco. By design, It should not affect the final syntax tree, and will be discard in `TreeSink`.
My original idea is handling these 2 tokens case by case, but i found that they will appear in every place in the parser (imagine `tt` matcher). So this PR only handle it in `Parser::do_bump` and `Parser::start`, although It will not fix the `expr` matcher executing order problem in original idea.
Co-authored-by: Edwin Cheng <[email protected]>
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