Expand ItemDecorator extensions in all contexts #12258
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The old method of building up a list of items and threading it through all of the decorators was unwieldy and not really scalable as non-deriving ItemDecorators become possible. The API is now that the decorator gets an immutable reference to the item it's attached to, and a callback that it can pass new items to. If we want to add syntax extensions that can modify the item they're attached to, we can add that later, but I think it'll have to be separate from ItemDecorator to avoid strange ordering issues.
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Closes #4913. |
Now that fold_item can return multiple items, this is pretty trivial. It also recursively expands generated items so ItemDecorators can generate items that are tagged with ItemDecorators! Closes rust-lang#4913
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…kril feat: escape format specifier(close: rust-lang#12258) solve rust-lang/rust-analyzer#12258
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…xendoo [`similar_names`]: don't raise if the first character is different A lot of cases of the "noise" cases of `similar_names` come from two idents with a different first letter, which is easy enough to differentiate visually but causes this lint to be raised. Do not raise the lint in these cases, as long as the first character does not have a lookalike. Helps with rust-lang/rust-clippy#10926 (does not fix) This is per-commit reviewable, the first commit is just refactoring. changelog: [`similar_names`]: don't raise if the first character is different
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Now that fold_item can return multiple items, this is pretty trivial. It
also recursively expands generated items so ItemDecorators can generate
items that are tagged with ItemDecorators!
Closes #4913
NB: This depends on #12234.