ItemTree is per-file, so there is no unique crate associated with it.
This means that it cannot know the active CfgOptions and thus couldn't
handle `cfg_attr`.
Prepare it for `cfg_attr`s by avoiding accessing attributes.
6896: Node-ify lifetimes r=jonas-schievink a=Veykril
Let's see if this passes the tests 🤞
Depends on https://github.com/rust-analyzer/ungrammar/pull/15
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
Co-authored-by: Jonas Schievink <jonas.schievink@ferrous-systems.com>
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6897: Basic support for macros 2.0 r=jonas-schievink a=jonas-schievink
This adds support for (built-in-only) macros 2.0, and removes some hacks used for builtin derives, which are declared via macros 2.0 in libcore.
First steps for https://github.com/rust-analyzer/rust-analyzer/issues/2248.
Blocked on https://github.com/rust-analyzer/ungrammar/pull/16.
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
Co-authored-by: Jonas Schievink <jonas.schievink@ferrous-systems.com>
6861: generate default implementation for an enum from an enum variant #6860 r=matklad a=bnjjj
close#6860
Co-authored-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>
6889: Resolve `macro-error` diagnostics on asm & llvm_asm r=matklad a=lf-
We currently stub these out as returning unit.
This fixes spurious RA `macro-error` diagnostics introduced somewhere around 0.2.400 in the following:
```rust
unsafe { asm!(""); llvm_asm!(""); }
```
I'd ideally like to write a unit test for this, but I'm not familiar with where the tests for `hir_expand` are.
Thanks to @edwin0cheng for help on resolving this issue.
Co-authored-by: lf- <lf-@users.noreply.github.com>
6862: Add LifetimeParam resolving to Semantics r=matklad a=Veykril
This is stuff required for the lifetime references/definitions PR. I pulled this out to make it easier to review as well as because there is one thing that still has to be addressed which can be found in the review comments.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
Since we just tried running `rustup component add`, it doesn't make sense to me
to recommend trying that again. If we're reaching this case, it's probably more
likely that rustc was installed via package manager, in which case the source
should be installed the same way (e.g. if you install the rust-src package on
Ubuntu it will install a symlink in the right place to make our sysroot
detection work).
6852: Ignore lifetime params in substitutions r=matklad a=Veykril
[`hir_ty::utils::Generics`](https://github.com/rust-analyzer/rust-analyzer/blob/master/crates/hir_ty/src/utils.rs#L153) currently only assumes type parameters but not lifetime parameters and therefor creates incorrect index and length calculations, this PR just makes the use sites ignore LifetimeGenerics for now.
This fixes the panic at least locally for me for `analysis-stats`. Funnily enough this panic prevented me from using reference search for the `args` field to fix this problem.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6818: Add Lifetimes to the HIR r=matklad a=Veykril
This doesn't handle resolve yet as I don't know yet how that will be used. I'll get to that once I start moving the lifetime reference PR to the hir.
This also adds a new `hir` name type for lifetimes and labels, `hir::LifetimeName`.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6839: Infer labeled blocks r=flodiebold a=Veykril
The test should cover all the interesting cases I believe(main part of it is copied from the loop label break test above it).
The test is indented to stay consistent with the rest of the tests in the file, I can dedent all the tests in the file in a follow up PR if desired.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6819: Add builtin attributes for use in nameres r=jonas-schievink a=jonas-schievink
These are not yet used, but have to go through nameres later in order to support procedural macro attributes
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
derive(Clone, Copy) reads better than derive(Copy, Clone).
However, we preserve the reverse ordering in the lookup text for
sorting purposes. That way, it's convenient to type just `Ord` to
derive everything.
6807: Replicate Cargo environment variables r=jonas-schievink a=jonas-schievink
These might be relied on by procedural macros, and can also be accessed via `env!`.
Required for fixing https://github.com/rust-analyzer/rust-analyzer/issues/6696. We do not yet propagate these to any proc macros though.
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6804: Bump the macro token limit r=jonas-schievink a=jonas-schievink
Should fix https://github.com/rust-analyzer/rust-analyzer/issues/6504
Not entirely sure what the previous limit was based on, but it looks like it does get hit in practice.
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6785: Fix "no value set for FileTextQuery(FileId(..))" r=jonas-schievink a=jonas-schievink
Fixes https://github.com/rust-analyzer/rust-analyzer/issues/6622
Let's hope I got it right this time, but I feel like I slowly begin to understand the main loop logic.
bors r+
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6771: Properly attach inner attributes in Attrs::new r=matklad a=Veykril
Properly attach inner and outer attributes to the things they actually belong to in the HIR. ~~I can add some tests for this if wanted once I know where to put them/how to test for this.~~ Put some tests into `hover.rs`.
So the following snippet
```rust
mod foo {
//! Hello
}
```
now shows `Hello` on hover 🎉Fixes#2148
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6761: Make config.rs a single source of truth for configuration. r=matklad a=matklad
Configuration is editor-independent. For this reason, we pick
JSON-schema as the repr of the source of truth. We do specify it using
rust-macros and some quick&dirty hackery though.
The idea for syncing truth with package.json is to just do that
manually, but there's a test to check that they are actually synced.
I'll add something like `rust-analyzer --config-schema` in a follow-up
commit.
Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>
Configuration is editor-independent. For this reason, we pick
JSON-schema as the repr of the source of truth. We do specify it using
rust-macros and some quick&dirty hackery though.
The idea for syncing truth with package.json is to just do that
manually, but there's a test to check that they are actually synced.
There's CLI to print config's json schema:
$ rust-analyzer --print-config-schema
We go with a CLI rather than LSP request/response to make it easier to
incorporate the thing into extension's static config. This is roughtly
how we put the thing in package.json.
6750: Remove documentation query, move doc handling to attributes r=matklad a=Veykril
Fixes#3182
Removes the documentation query in favor of `Attrs::docs`. Attrs already handlded doc comments partially but the alloc saving check was wrong so it only worked when other attributes existed as well. Unfortunately the `new` constructor has to do an intermediate allocation now because we need to keep the order of mixed doc attributes and doc comments.
I've also partially adjusted the `hover` module to have its tests check the changes, it still has some `HasSource` trait usage due to the `ShortLabel` trait usage, as that is only implemented on the Ast parts and not the Hir, should this ideally be implemented for the Hir types as well?(would be a follow up PR of course)
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6752: Pass `--target` when loading out dirs from check r=jonas-schievink a=jonas-schievink
bors r+
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6719: Use items can also have doc comments r=matklad a=Veykril
Prior to this change modules show more docs than they have cause they inherit the docs from documented use items inside of them.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6745: Some more proc macro cleanups r=jonas-schievink a=jonas-schievink
* Remove `ProcMacroClient::dummy` and just use `Option<ProcMacroClient>` instead
* Remember the type of proc macros (later allows us to reject using an incorrect macro type)
* Prepare a few internals for procedural attribute macros
bors r+
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6743: Don't insert blank lines between doc attributes r=Veykril a=Veykril
Fixes#6742.
Doc attributes should be concatenated via a single linebreak as written in the [rustdoc book](https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html).
Also changed the loop to use an iterator to get rid of the `docs.trim_end_matches("\n\n").to_owned()` part using `Itertools::intersperse`.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6731: Add replace_match_with_if_let assist r=matklad a=Veykril
Basically the counterpart to `replace_if_let_with_match`, I personally sometimes want to replace matches like
```rust
match foo {
pat => expr,
_ => (),
}
```
into the corresponding
```rust
if let pat = foo {
expr
}
```
which is the main reasoning behind this.
I put this into the same file as `replace_if_let_with_match` because the are complementing each other and I would probably rename the file to something like `replace_if_let_match` but I didn't do that for now because I was unsure whether git would still view this as a rename or not due to the amount of changes in the file so that the diff is still properly visible for now.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6733: Update attributes completion list r=jonas-schievink a=Veykril
Might be nice to have them grouped for readability/maintainability similar to how the [reference](https://doc.rust-lang.org/reference/attributes.html#built-in-attributes-index) does it but that would require the use of a `OnceCell` for sorting the entries back after construction.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6725: Don't respawn proc macro server on crash r=jonas-schievink a=jonas-schievink
Now the thread managing IPC will exit when the server process crashes instead of respawning it.
Closes https://github.com/rust-analyzer/rust-analyzer/issues/6707
bors r+
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6724: Fix `diagnostics` subcommand, look at all modules r=jonas-schievink a=jonas-schievink
The `diagnostics` subcommand used to only compute diagnostics for `lib.rs` / the root module of all workspace crates. This fixed it and makes it look at every module.
bors r+
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
Without arbitrary self types, the self type could never refer to the method type
parameters, so this wasn't a problem; but with arbitrary self types, it can.
This fixes the crash from #6668; but it doesn't make method resolution work for
these methods.
6700: More macro diagnostics improvements r=jonas-schievink a=jonas-schievink
This threads macro expansion errors through `eager.rs` and the `AsMacroCall` trait, improving macro diagnostics emitted during body lowering.
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6698: Attach macro expansion errors to the right file r=jonas-schievink a=jonas-schievink
Previously it attached them to the result of the macro expansion (or, if no result was produced, to the file containing the invocation). Always use the file containing the invocation.
This doesn't seem to have any observable difference, but seems better in theory.
bors r+
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6649: Accept more than just the standard rust literal suffixes in *Number::suffix r=matklad a=Veykril
I am not entirely sure whether to keep or remove the `SUFFIXES` but I figured we can always bring them back once they are needed.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6683: Emit macro diagnostics when lowering bodies r=matklad a=jonas-schievink
Changes `Expander::enter_expand` to return an `ExpandResult`, and adds any contained errors to the body diagnostic list.
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6680: Fix use merging not using the first path segment r=Veykril a=Veykril
Finally figured out why nested imports don't properly merge in some cases
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6665: Support self in reference search r=matklad a=Veykril
The approach here is simply checking the descendants of the function body for `PathExpr` then checking whether it only contains a single `self` `PathSegment`, this is to prevent us from picking up `self` tokens from local `UseTree`s.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6599: Add attribute highlight modifier to all tokens inside attributes r=matklad a=Veykril
This has the side effect that we also emit `attribute.attribute` highlights now, as in, the tokens that get the attribute semantic type also get the attribute modifier. I personally don't think it's really a problem but maybe it is to some? It's just that it was really simple to implement it this way, which is why I just went this route for now.
Fixes#6536
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6601: add let and letm postfix to turn expressions into variables r=matklad a=bnjjj
Partially resolve#6426
Co-authored-by: Benjamin Coenen <5719034+bnjjj@users.noreply.github.com>
6666: Support 'go to definition' for self r=jonas-schievink a=Veykril
Also reverts #6660, instead of showing the type it now works like it does for names by returning the declaration we are already on. This for example enables VSCode to show all references(#6665) when executing `go to definition` on the declaration.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6664: Show type of self param on hover r=jonas-schievink a=Veykril
Show the type of `self` when hovering the token in a `SelfParam`.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
6645: Publish diagnostics for macro expansion errors r=matklad a=jonas-schievink
This adds 2 new diagnostics, emitted during name resolution:
* `unresolved-proc-macro`, a weak warning that is emitted when a proc macro is supposed to be expanded, but was not provided by the build system. This usually means that proc macro support is turned off, but may also indicate setup issues when using rust-project.json. Being a weak warning, this should help set expectations when users see it, while not being too obstructive. We do not yet emit this for attribute macros though, just custom derives and `!` macros.
* `macro-error`, which is emitted when any macro (procedural or `macro_rules!`) fails to expand due to some error. This is an error-level diagnostic, but currently still marked as experimental, because there might be spurious errors and this hasn't been tested too well.
This does not yet emit diagnostics when expansion in item bodies fails, just for module-level macros.
Known bug: The "proc macro not found" diagnostic points at the whole item for custom derives, it should just point at the macro's name in the `#[derive]` list, but I haven't found an easy way to do that.
Screenshots:
Co-authored-by: Jonas Schievink <jonasschievink@gmail.com>
6650: Make completion and assists module independent r=matklad a=SomeoneToIgnore
A follow-up of https://github.com/rust-analyzer/rust-analyzer/pull/6553#discussion_r524402907
Move the common code for both assists and completion modules into a separate crate.
Co-authored-by: Kirill Bulatov <mail4score@gmail.com>
6586: Don't call a closure a function in the infer_function_return_type assist label r=lnicola a=Veykril
`Add this function's return type` becomes `Add this closure's return type` for closures. This makes it more obvious that we are indeed planning on modifying the closure and not its containing function.
Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
