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Michael Sloan 17c90f71bf Improve SCIP symbols 
In particular, the symbol generation before this change creates a lot
of symbols with the same name for different definitions. This change
makes progress on symbol uniqueness, but does not fix a couple cases
where it was unclear to me how to fix (see TODOs in `scip.rs`)

Behavior changes:

* `scip` command now reports symbol information omitted due to symbol
collisions. Iterating with this on a large codebase (Zed!) resulted in
the other improvements in this change.

* Generally fixes providing the path to nested definitions in
symbols. Instead of having special cases for a couple limited cases of
nesting, implements `Definition::enclosing_definition` and uses this
to walk definitions.

* Parameter variables are now treated like locals.

    - This fixes a bug where closure captures also received symbols
    scoped to the containing function.  To bring back parameter
    symbols I would want a way to filter these out, since they can
    cause symbol collisions.

    - Having symbols for them seems to be intentional in
    27e2eea54f, but no particular use is
    specified there. For the typical indexing purposes of SCIP I don't see
    why parameter symbols are useful or sensible, as function parameters
    are not referencable by anything but position. I can imagine they
    might be useful in representing diagnostics or something.

* Inherent impls are now represented as `impl#[SelfType]` - a type
named `impl` which takes a single type parameter.

* Trait impls are now represented as `impl#[SelfType][TraitType]` - a
type named `impl` which takes two type parameters.

* Associated types in traits and impls are now treated like types
instead of type parameters, and so are now suffixed with `#` instead
of wrapped with `[]`.  Treating them as type parameters seems to have
been intentional in 73d9c77f2a but it
doesn't make sense to me, so changing it.

* Static variables are now treated as terms instead of `Meta`, and so
receive `.` suffix instead of `:`.

* Attributes are now treated as `Meta` instead of `Macro`, and so
receive `:` suffix instead of `!`.

* `enclosing_symbol` is now provided for labels and generic params,
which are local symbols.

* Fixes a bug where presence of `'` causes a descriptor name to get
double wrapped in backticks, since both `fn new_descriptor` and
`scip::symbol::format_symbol` have logic for wrapping in
backticks. Solution is to simply delete the redundant logic.

* Deletes a couple tests in moniker.rs because the cases are
adequeately covered in scip.rs and the format for identifiers used in
moniker.rs is clunky with the new representation for trait impls
2024-12-25 21:51:58 -07:00
.cargo fix: Fix generated markers not being patchable in package.json 2024-06-08 12:54:43 +02:00
.github fix: Fix metrics workflow using the wrong download-artifact version 2024-12-24 18:59:49 +01:00
.vscode feat: use vscode log format for client logs 2024-07-27 21:43:35 -07:00
assets Automatically change text color in logo based on dark mode 2022-03-06 23:06:53 +11:00
bench_data Spelling 2023-04-19 09:45:55 -04:00
crates Improve SCIP symbols 2024-12-25 21:51:58 -07:00
docs Merge pull request #18707 from ChayimFriedman2/subst 2024-12-24 14:16:16 +00:00
editors/code Merge pull request #18707 from ChayimFriedman2/subst 2024-12-24 14:16:16 +00:00
lib internal: Split serde derive feature into serde_derive usage 2024-12-20 11:55:02 +01:00
xtask internal: Split serde derive feature into serde_derive usage 2024-12-20 11:55:02 +01:00
.editorconfig Fix editorconfig glob 2024-10-19 01:10:31 +03:00
.git-blame-ignore-revs internal: Don't allocate autoderef steps when not needed 2024-08-25 13:12:07 +02:00
.gitattributes Fix .gitattributes for test_data 2022-07-24 14:05:35 +02:00
.gitignore tests: Add lsif_contains_generated_constant test 2024-10-22 11:38:54 +02:00
.typos.toml Bump typos 2024-12-13 11:45:44 +02:00
Cargo.lock Bump rustc crates 2024-12-23 11:33:26 +02:00
Cargo.toml Bump rustc crates 2024-12-23 11:33:26 +02:00
clippy.toml Lint debug prints and disallowed types with clippy 2024-02-01 17:57:27 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2024-04-18 10:24:40 +02:00
LICENSE-APACHE Drop Apache license appendices 2024-08-27 14:52:34 +03:00
LICENSE-MIT Licenses 2018-01-10 22:47:04 +03:00
PRIVACY.md Update privacy note 2021-12-23 14:04:15 +02:00
README.md Add CONTRIBUTING.md 2024-04-18 10:24:40 +02:00
rust-version Preparing for merge from rust-lang/rust 2024-12-23 11:26:54 +02:00
rustfmt.toml Shuffle hir-expand things around 2024-01-26 19:28:39 +01:00
triagebot.toml Enable triagebot transfer feature 2024-11-04 21:35:10 +02:00

README.md

rust-analyzer logo

rust-analyzer is a modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust.

Quick Start

https://rust-analyzer.github.io/manual.html#installation

Documentation

If you want to contribute to rust-analyzer check out the CONTRIBUTING.md or if you are just curious about how things work under the hood, check the ./docs/dev folder.

If you want to use rust-analyzer's language server with your editor of choice, check the manual folder. It also contains some tips & tricks to help you be more productive when using rust-analyzer.

Security and Privacy

See the corresponding sections of the manual.

Communication

For usage and troubleshooting requests, please use "IDEs and Editors" category of the Rust forum:

https://users.rust-lang.org/c/ide/14

For questions about development and implementation, join rust-analyzer working group on Zulip:

https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Frust-analyzer

Quick Links

License

rust-analyzer is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE and LICENSE-MIT for details.