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| author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2021-01-14 10:00:46 +0000 |
|---|---|---|
| committer | GitHub <[email protected]> | 2021-01-14 10:00:46 +0000 |
| commit | 184f4cbf5df909146b05aaa3b7f2f0b27ac36590 (patch) | |
| tree | c9d803d2fefdc31278338fc67f6df8d1bf747a12 /xtask | |
| parent | 39167b97d8a62adadecc9b67caac65ec556768cf (diff) | |
| parent | cca0dfa79ed968d41464eb7beb7aaa970e2d429f (diff) | |
Merge #7110
7110: Deduplicate macros when offering completion r=matklad a=AdnoC
Closes https://github.com/rust-analyzer/rust-analyzer/issues/7081
When iterating over the names within the `hir_def::resolver::Scope` for a module, track what macros are in the `hir_def::item_scope::ItemScope::legacy_macros` collection for the module. When iterating over names from the prelude, do not proccess the name if it had been in the `legacy_macros` collection.
This is implemented with a `FxHashSet` in the `Scope::process_names` function that is populated when iterating over `legacy_macros` and checked when iterating over the prelude.
Alternative implementation could instead query the `legacy_macros` `FxHashMap` directly when processing names in the prelude.
Also, I'd like to add a test for this, but I'm not sure where it could be added.
Co-authored-by: AdnoC <[email protected]>
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