6477: Add infer_function_return_type assist r=matklad a=Veykril
This adds an assist to insert a functions return type if it hasn't been specified yet by inferring it from the functions tail expression. This assist only becomes active if the cursor is on the tail expression. See https://github.com/rust-analyzer/rust-analyzer/issues/6303#issuecomment-714657326
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
Folks report a ton of hard-to-diagnose issues, the solution for which
is "unset RUST_SRC_PATH". Let's just ignore RUST_SRC_PATH when it
won't work anyway!
6456: Support record variants in extract_struct_from_enum_variant r=matklad a=Veykril
As requested :)
This also prevents the assist from being disabled if a definition in the value namespace exists with the same name as our new struct since that won't cause a collision
#4468
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6458: Qualify trait impl created by add_custom_impl assist r=matklad a=Veykril
When we find at least one trait with the same name as the derive accessible from the current module we now generate a qualified path to that trait in the generated impl.
If we don't find any we just do what was done before and emit the trait name in the generated impl.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
This also seizes the opportunity to move integer literal parsing to
the syntax crate, were it logically belongs.
Note though that this is still done in an ad hoc manner -- we probably
should split kitchen sink ast::Literal into a separate APIs for
strings, ints, etc
6287: Don't replace entire module and file nodes when inserting imports r=matklad a=Veykril
This change minifies the resulting diff of import insertions by inserting or replacing the produced use tree directly through an `action` return value instead replacing the entire container node. This action has to be applied by the caller now. This unfortunately pulls the `AssistBuilder` into scope of `insert_use` back again but I tried to at least keep it away from the `insert_use` fn itself.
I'm open to more/better ideas regarding this :)
Fixes#6196
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6401: Only show `self` ident when showing parameter self hints r=matklad a=Veykril
This just hints all self parameters with the `self` token, this is therefor equal to how all other parameters are displayed, but given the self param special in how its defined in a function signature it might make sense to keep the `&`/`&mut` parts as well as emitting those tokens for explict `Self` types that are taken by ref like `self: &Rc<Self>`?
Fixes#6400
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6435: Test Fixture ExplicitRoot + ModuleResolutionRelativePathOutsideRoot. r=matklad a=rickvanprim
Updates `module_resolution_relative_path_outside_root` test to check valid paths outside of the root, by moving the root to a subpath so that paths outside of it are possible. If this would be more appropriate as a new test, or if the original check for an invalid path should be left, I'm happy to update.
Co-authored-by: James Leitch <rickvanprim@gmail.com>
6430: Move completions rendering into a separate module r=popzxc a=popzxc
This PR extracts rendering-related things from `Completions` structure to the new `render` module.
`render` module declares a `Render` structure (which is a generic renderer interface), `RenderContext` (interface for data/methods not required for completions generating, but required for rendering), and a bunch of smaller `*Render` structures which encapsulate logic behind rendering a certain item.
This is just a step in full separation direction, since the following this are still to be done:
- Move some data from `CompletionContext` to the `RenderContext`;
- Forbid any kind of rendering outside of `render` module;
- Extract score computing into a separate module.
This PR is already pretty big, so not to make it even harder to review I decided to split this process into several subsequent PRs.
Co-authored-by: Igor Aleksanov <popzxc@yandex.ru>
6445: Fix coalescing of prime_caches updates r=jonas-schievink a=jonas-schievink
The previous implementation could try to create a progress bar when one
was already registered.
bors r+ 🤖
Co-authored-by: Jonas Schievink <jonas.schievink@ferrous-systems.com>
6365: Do insertion lookahead in algo::diff r=matklad a=Veykril
This is the last blocker for #6287 after this I can update that PR to properly fix things through using `SyntaxRewriter`.
This PR also shuffles tests around a bit and adds some more.
Ideally this is just a hack until we implement a "proper" diff algorithm that approximates a minimal diff. Maybe something like [gumtree](https://github.com/GumTreeDiff/gumtree)?
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6393: Remove repetitive inlay hints (take 2) r=matklad a=lnicola
6399: Keep generic annotations when qualifying things r=matklad a=Veykril
The `qualify_path` assists currently eats up already annotated generics in all but one cases which can be annoying if one already pre-fills generics of a type before it's been qualified.
Co-authored-by: Matthew Sanetra <matthewsanetra@gmail.com>
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6441: Coalesce prime_caches updates r=matklad a=jonas-schievink
This reduces the number of progress bar updates we send to the client by collapsing subsequent updates into one. This doesn't work as well as I'd hoped (which is that we end up sending *no* updates, or only `start` and `end`, when the cache is already fresh), but it does reduce the number considerably: instead of ~720 updates on the rust-analyzer codebase, we now only send ~60.
It uses the same approach that is already in use for coalescing VFS events.
Hopefully this is enough to fix https://github.com/rust-analyzer/rust-analyzer/issues/6413.
Co-authored-by: Jonas Schievink <jonas.schievink@ferrous-systems.com>
It's very useful when `pub` is equivalent to "this is crate's public
API", let's enforce this!
Ideally, we should enforce it for local `cargo test`, and only during
CI, but that needs https://github.com/rust-lang/cargo/issues/5034.
6416: Respond with JSON-RPC error if we failed to deserialize request r=matklad a=matklad
bors r+
🤖
Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>
Historically, we intentinally violated JSON-RPC spec here by hard
crashing. The idea was to poke both the clients and servers to fix
stuff.
However, this is confusing for server implementors, and falls down in
one important place -- protocol extension are not always backwards
compatible, which causes crashes simply due to version mismatch. We
had once such case with our own extension, and one for semantic
tokens.
So let's be less adventerous and just err on the err side!
6387: do not use associated types placeholder for inlay hint r=flodiebold a=bnjjj
close#6191
Co-authored-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>
6384: add doctest runnables on struct r=lnicola a=bnjjj
I will check for how to do the same on trait implementation on another PR.
#6356
Co-authored-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>
6376: Avoid impls_fnonce to return true when the trait solving is ambiguous r=flodiebold a=GrayJack
This PR should fix#6375
This adds a variation of `method_resolution::implements_trait` called `method_resolution::implements_trait_unique`, that only returns true when the trait solving is unique, and also change `impls_fnonce` to use the later instead.
I also added a test just to be sure.
Co-authored-by: GrayJack <gr41.j4ck@gmail.com>
6351: Organized completions r=popzxc a=popzxc
This PR continues the work on refactoring of the `completions` crate.
In this episode:
- Actual completions methods are encapsulated into `completions` module, so they aren't mixed with the rest of the code.
- Name duplication was removed (`complete_attribute` => `completions::attribute`, `completion_context` => `context`).
- `Completions` structure was moved from `item` module to the `completions`.
- `presentation` module was removed, as it was basically a module with `impl` for `Completions`.
- Code approaches were a bit unified here and there.
Co-authored-by: Igor Aleksanov <popzxc@yandex.ru>
6367: Handle #![cfg] in crate root r=jonas-schievink a=jonas-schievink
Now we correctly skip analysis of winapi on non-Windows platforms.
bors r+ 🤖
Co-authored-by: Jonas Schievink <jonas.schievink@ferrous-systems.com>
6333: Don't interpret type path as part of visibility. r=matklad a=ArifRoktim
This closes#5902.
I only check that the next token isn't equal to `T![:]`, instead of the next two not being equal to `T![::]`. Is that ok?
Co-authored-by: Arif Roktim <arifrroktim@gmail.com>
6350: Make IncorrectDiagnostic match rustc by copying rustc's code. r=popzxc a=ArifRoktim
This closes#6343 and closes#6345.
The old algorithm which used a `DetectedCase` enum, didn't match how rustc thinks of cases. Some inputs can be interpreted as more than 1 case depending on the situation. For example, to rustc:
- `ABCD`: Can be both camel case and upper snake case
- `X86_64`: Can be both camel case and upper snake case
I could've made `detect_case` return a collection of `DetectedCase` and then modified the other code as such, but I think using the same code rustc uses is simpler and a surefire way to achieve the same diagnostics as rustc.
Co-authored-by: Arif Roktim <arifrroktim@gmail.com>
6331: correct hover text for items with doc attribute with raw strings r=matklad a=JoshMcguigan
Fixes#6300 by improving the handling of raw string literals in attribute style doc comments.
This still has a bug where it could consume too many `"` at the start or end of the comment text, just as the original code had. Not sure if we want to fix that as part of this PR or not? If so, I think I'd prefer to add a unit test for either the `as_simple_key_value` function (I'm not exactly sure where this would belong / how to set this up) or create a `fn(&SmolStr) -> &SmolStr` to unit test by factoring out the `trim` operations from `as_simple_key_value`. Thoughts on this?
6342: Shorter dependency chain r=matklad a=popzxc
Continuing implementing suggestions from the `Completion refactoring` zulip thread.
This PR does the following:
- Removes dependency of `completions` on `assists` by moving required functionality into `ide_db`.
- Moves completely `call_info` crate into `ide_db` as it looks like it fits perfect there.
- Adds a bunch of new tests and docs.
- Adds the re-export of `base_db` to the `ide_db` and removes direct dependency on `base_db` from other crates.
The last point is controversial, I guess, but I noticed that in places where `ide_db` is used, `base_db` is also *always* used. Thus I think the dependency on the `base_db` is implied by the fact of `ide_db` interfaces, and thus it makes sense to just provide `base_db` out of the box.
Co-authored-by: Josh Mcguigan <joshmcg88@gmail.com>
Co-authored-by: Igor Aleksanov <popzxc@yandex.ru>
6251: Semantic Highlight: Add Callable modifier for variables r=matklad a=GrayJack
This PR added the `HighlightModifier::Callable` variant and assigned it to variables and parameters that are fn pointers, closures and implements FnOnce trait.
This allows to colorize these variables/parameters when used in call expression.
6310: Rewrite algo::diff to support insertion and deletion r=matklad a=Veykril
This in turn also makes `algo::diff` generate finer diffs(maybe even minimal diffs?) as insertions and deletions aren't always represented as as replacements of parent nodes now.
Required for #6287 to go on.
Co-authored-by: GrayJack <gr41.j4ck@gmail.com>
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6339: Diagnose #[cfg]s in bodies r=matklad a=jonas-schievink
This PR threads diagnostics through body lowering using the `BodySourceMap`, and emits `InactiveCode` diagnostics for expressions, statements, and match arms that are `#[cfg]`d out.
Co-authored-by: Jonas Schievink <jonas.schievink@ferrous-systems.com>
6336: Improve Chalk debugging r=matklad a=flodiebold
- add panic context for the trait goal if CHALK_DEBUG is set
- print the Chalk program even if we're panicking
- log goal/solution while TLS is still set
Co-authored-by: Florian Diebold <florian.diebold@freiheit.com>
- add panic context for the trait goal if CHALK_DEBUG is set
- print the Chalk program even if we're panicking
- log goal/solution while TLS is still set
6324: Improve #[cfg] diagnostics r=jonas-schievink a=jonas-schievink
Unfortunately I ran into https://github.com/rust-analyzer/rust-analyzer/issues/4058 while testing this on https://github.com/nrf-rs/nrf-hal/, so I didn't see much of it in action yet, but it does seem to work.
Co-authored-by: Jonas Schievink <jonas.schievink@ferrous-systems.com>
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6326: hide paramater inlay hints for cloned vars if applicable r=SomeoneToIgnore a=Veykril
This causes `foo.clone()` parameters to be handled as if they were just `foo` parameters for inlay hint logic.
Fixes#6315
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
