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Timofey Solonin
7800220ff7
As was discussed #2737, I utilized the `indexsource` request to look up the operators and fetch the cursorInfo per operator. In the implementation I refrained from using `usr` to look up the operator because SourceKit [doesn't support](https://github.com/apple/swift/blob/5add16804272b4df917da15c46eb6f28d826d656/tools/SourceKit/lib/SwiftLang/SwiftSourceDocInfo.cpp#L1799) fetching cursorInfo by `usr` when it comes from C (but it can still be fetched by offset). I also made [an alternative implementation](https://github.com/realm/SwiftLint/compare/master...biboran:fix-unused-imports-for-operators-alternative) which uses the `indexsource` request instead of the `editor.open`. It seems to work with the unit tests but I am not 100% sure it doesn't introduce a regression since there is no oss-check for analyzer rules. I also updated [the example](https://github.com/biboran/synthax-bug-example) to better reflect the original issue in case you want to test the changes manually