Rollup of 9 pull requests #129772
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Rollup of 9 pull requests #129772
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Add an explanatory sentence and some sample code to help readers understand why this struct exists.
minor: Add a doc comment for OpQueue Add an explanatory sentence and some sample code to help readers understand why this struct exists.
…ebold internal: Be more resilient to bad language item definitions in binop inference Fixes rust-lang#16287 Fixes rust-lang#16286 There's one more in `write_fn_trait_method_resolution`, but I'm not sure if it won't cause further problems in `infer_closures`.
fix: Panic while canonicalizing erroneous projection type Fixes rust-lang#17866 The root cause of rust-lang#17866 is quite horrifyng 😨 ```rust trait T { type A; } type Foo = <S as T>::A; // note that S isn't defined fn main() { Foo {} } ``` While inferencing alias type `Foo = <S as T>::A`; https://github.com/rust-lang/rust-analyzer/blob/78c2bdce860dbd996a8083224d01a96660dd6a15/crates/hir-ty/src/infer.rs#L1388-L1398 the error type `S` in it is substituted by inference var in L1396 above as below; https://github.com/rust-lang/rust-analyzer/blob/78c2bdce860dbd996a8083224d01a96660dd6a15/crates/hir-ty/src/infer/unify.rs#L866-L869 This new inference var's index is `1`, as the type inferecing procedure here previously inserted another inference var into same `InferenceTable`. But after that, the projection type made from the above then passed to the following function; https://github.com/rust-lang/rust-analyzer/blob/78c2bdce860dbd996a8083224d01a96660dd6a15/crates/hir-ty/src/traits.rs#L88-L96 here, a whole new `InferenceTable` is made, without any inference var and in the L94, this table calls; https://github.com/rust-lang/rust-analyzer/blob/78c2bdce860dbd996a8083224d01a96660dd6a15/crates/hir-ty/src/infer/unify.rs#L364-L370 And while registering `AliasEq` `obligation`, this obligation contains inference var `?1` made from the previous table, but this table has only one inference var `?0` made at L365. So, the chalk panics when we try to canonicalize that obligation to register it, because the obligation contains an inference var `?1` that the canonicalizing table doesn't have. Currently, we are calling `InferenceTable::new()` to do some normalizing, unifying or coercing things to some targets that might contain inference var that the new table doesn't have. I think that this is quite dangerous footgun because the inference var is just an index that does not contain the information which table does it made from, so sometimes this "foreign" index might cause panic like this case, or point at the wrong variable. This PR mitigates such behaviour simply by inserting sufficient number of inference vars to new table to avoid such problem. This strategy doesn't harm current r-a's intention because the inference vars that passed into new tables are just "unresolved" variables in current r-a, so this is just making sure that such "unresolved" variables exist in the new table
fix: Panic while hovering associated function with type annotation on generic param that not inherited from its container type Fixes rust-lang#17871 We call `generic_args_sans_defaults` here; https://github.com/rust-lang/rust-analyzer/blob/64a140527b383e3a2fe95908881624fc5374c60c/crates/hir-ty/src/display.rs#L1021-L1034 but the following substitution inside that function panic in rust-lang#17871; https://github.com/rust-lang/rust-analyzer/blob/64a140527b383e3a2fe95908881624fc5374c60c/crates/hir-ty/src/display.rs#L1468 it's because the `Binders.binder` inside `default_parameters` has a same length with the generics of the function we are hovering on, but the generics of it is split into two, `fn_params` and `parent_params`. Because of this, it may panic if the function has one or more default parameters and both `fn_params` and `parent_params` are non-empty, like the case in the title of this PR. So, we must call `generic_args_sans_default` first and then split it into `fn_params` and `parent_params`
…kril internal: Properly check the edition for edition dependent syntax kinds This puts the current edition in a bunch of places, most of which I annoted with FIXMEs asside from the ones in ide-assists because I couldnt bother with those
Assuming it isn't cancelled. Closes rust-lang#17902. The only place CommandHandle::join is used is when the flycheck command finishes, so this commit changes the behavior of the method itself.
…zyCell/Lock This doesn't get rid of the once_cell dependency, unfortunately, since we have dependencies that use it, but it's a nice to do cleanup. And when our deps will eventually get rid of once_cell we will get rid of it for free.
This speeds up short identifiers search significantly, while unlikely to have an effect on long identifiers (the analysis takes much longer than some character comparison). Tested by finding all references to `eq()` (from `PartialEq`) in the rust-analyzer repo. Total time went down from 100s to 10s (a 10x reduction!).
internal: Replace once_cell with std's recently stabilized OnceCell/Lock and LazyCell/Lock This doesn't get rid of the once_cell dependency, unfortunately, since we have dependencies that use it, but it's a nice to do cleanup. And when our deps will eventually get rid of once_cell we will get rid of it for free.
…s, r=Veykril Test for word boundary in `FindUsages` This speeds up short identifiers search significantly, while unlikely to have an effect on long identifiers (the analysis takes much longer than some character comparison). Tested by finding all references to `eq()` (from `PartialEq`) in the rust-analyzer repo. Total time went down from 100s to 10s (a 10x reduction!). Feel free to close this if you consider this a non-issue, as most short identifiers are local.
Allow flycheck process to exit gracefully Assuming it isn't cancelled. Closes rust-lang#17902. The only place CommandHandle::join() is used is when the flycheck command finishes, so this commit changes the behavior of the method itself. The only reason I can see for the existing behavior is if the command is somehow holding onto a build lock longer than it should, this would force it to be released. But it would be a pretty heavy-handed way to solve that issue. I'm not aware of this occurring in practice.
Implement lifetime inferring
This PR touches a lot of parts. But the main changes are changing `hir_expand::Name` to be raw edition-dependently and only when necessary (unrelated to how the user originally wrote the identifier), and changing `is_keyword()` and `is_raw_identifier()` to be edition-aware (this was done in rust-lang#17896, but the FIXMEs were fixed here). It is possible that I missed some cases, but most IDE parts should properly escape (or not escape) identifiers now. The rules of thumb are: - If we show the identifier to the user, its rawness should be determined by the edition of the edited crate. This is nice for IDE features, but really important for changes we insert to the source code. - For tests, I chose `Edition::CURRENT` (so we only have to (maybe) update tests when an edition becomes stable, to avoid churn). - For debugging tools (helper methods and logs), I used `Edition::LATEST`.
…-keyword, r=Veykril fix: Properly account for editions in names This PR touches a lot of parts. But the main changes are changing `hir_expand::Name` to be raw edition-dependently and only when necessary (unrelated to how the user originally wrote the identifier), and changing `is_keyword()` and `is_raw_identifier()` to be edition-aware (this was done in rust-lang#17896, but the FIXMEs were fixed here). It is possible that I missed some cases, but most IDE parts should properly escape (or not escape) identifiers now. The rules of thumb are: - If we show the identifier to the user, its rawness should be determined by the edition of the edited crate. This is nice for IDE features, but really important for changes we insert to the source code. - For tests, I chose `Edition::CURRENT` (so we only have to (maybe) update tests when an edition becomes stable, to avoid churn). - For debugging tools (helper methods and logs), I used `Edition::LATEST`. Reviewing notes: This is a really big PR but most of it is mechanical translation. I changed `Name` displayers to require an edition, and followed the compiler errors. Most methods just propagate the edition requirement. The interesting cases are mostly in `ide-assists`, as sometimes the correct crate to fetch the edition from requires awareness (there may be two). `ide-completions` and `ide-diagnostics` were solved pretty easily by introducing an edition field to their context. `ide` contains many features, for most of them it was propagated to the top level function and there the edition was fetched based on the file. I also fixed all FIXMEs from rust-lang#17896. Some required introducing an edition parameter (usually not for many methods after the changes to `Name`), some were changed to a new method `is_any_identifier()` because they really want any possible keyword. Fixes rust-lang#17895. Fixes rust-lang#17774.
…r=davidbarsky Add scip/lsif flag to exclude vendored libaries rust-lang#17809 changed StaticIndex to include vendored libraries. This PR adds a flag to disable that behavior. At work, our monorepo has too many rust targets to index all at once, so we split them up into several shards. Since all of our libraries are vendored, if rust-analyzer includes them, sharding no longer has much benefit, because every shard will have to index the entire transitive dependency graphs of all of its targets. We get around the issue presented in rust-lang#17809 because some other shard will index the libraries directly.
…, r=lnicola Remove rust-analyzer.workspace.discoverProjectRunner The functionality for this vscode config option was removed in rust-lang#17395, so it doesn't do anything anymore.
Pin `rowan` to `0.15.15` To prevent rust-lang#17914, I think that it would be safer pinning this before we fix it correctly
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…kingjubilee Rollup of 9 pull requests Successful merges: - rust-lang#120221 (Don't make statement nonterminals match pattern nonterminals) - rust-lang#129123 (rustdoc-json: Add test for `Self` type) - rust-lang#129642 (Bump backtrace to 0.3.74~ish) - rust-lang#129675 (allow BufReader::peek to be called on unsized types) - rust-lang#129723 (Simplify some extern providers) - rust-lang#129724 (Remove `Option<!>` return types.) - rust-lang#129725 (Stop using `ty::GenericPredicates` for non-predicates_of queries) - rust-lang#129733 (Subtree update of `rust-analyzer`) - rust-lang#129751 (interpret/visitor: make memory order iteration slightly more efficient) r? `@ghost` `@rustbot` modify labels: rollup
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…kingjubilee Rollup of 9 pull requests Successful merges: - rust-lang#120221 (Don't make statement nonterminals match pattern nonterminals) - rust-lang#129123 (rustdoc-json: Add test for `Self` type) - rust-lang#129642 (Bump backtrace to 0.3.74~ish) - rust-lang#129675 (allow BufReader::peek to be called on unsized types) - rust-lang#129723 (Simplify some extern providers) - rust-lang#129724 (Remove `Option<!>` return types.) - rust-lang#129725 (Stop using `ty::GenericPredicates` for non-predicates_of queries) - rust-lang#129733 (Subtree update of `rust-analyzer`) - rust-lang#129751 (interpret/visitor: make memory order iteration slightly more efficient) r? `@ghost` `@rustbot` modify labels: rollup
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…kingjubilee Rollup of 9 pull requests Successful merges: - rust-lang#120221 (Don't make statement nonterminals match pattern nonterminals) - rust-lang#129123 (rustdoc-json: Add test for `Self` type) - rust-lang#129642 (Bump backtrace to 0.3.74~ish) - rust-lang#129675 (allow BufReader::peek to be called on unsized types) - rust-lang#129723 (Simplify some extern providers) - rust-lang#129724 (Remove `Option<!>` return types.) - rust-lang#129725 (Stop using `ty::GenericPredicates` for non-predicates_of queries) - rust-lang#129733 (Subtree update of `rust-analyzer`) - rust-lang#129751 (interpret/visitor: make memory order iteration slightly more efficient) r? `@ghost` `@rustbot` modify labels: rollup
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partially merged already in #129809 |
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Successful merges:
Selftype #129123 (rustdoc-json: Add test forSelftype)Option<!>return types. #129724 (RemoveOption<!>return types.)ty::GenericPredicatesfor non-predicates_of queries #129725 (Stop usingty::GenericPredicatesfor non-predicates_of queries)rust-analyzer#129733 (Subtree update ofrust-analyzer)r? @ghost
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