Add initial support for defining language server adapters in WebAssembly-based extensions (#8645)

This PR adds **internal** ability to run arbitrary language servers via
WebAssembly extensions. The functionality isn't exposed yet - we're just
landing this in this early state because there have been a lot of
changes to the `LspAdapter` trait, and other language server logic.

## Next steps

* Currently, wasm extensions can only define how to *install* and run a
language server, they can't yet implement the other LSP adapter methods,
such as formatting completion labels and workspace symbols.
* We don't have an automatic way to install or develop these types of
extensions
* We don't have a way to package these types of extensions in our
extensions repo, to make them available via our extensions API.
* The Rust extension API crate, `zed-extension-api` has not yet been
published to crates.io, because we still consider the API a work in
progress.

Release Notes:

- N/A

---------

Co-authored-by: Marshall <marshall@zed.dev>
Co-authored-by: Nathan <nathan@zed.dev>
Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>
This commit is contained in:
Max Brunsfeld 2024-03-01 16:00:55 -08:00 committed by GitHub
parent f3f2225a8e
commit 268fa1cbaf
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
84 changed files with 3714 additions and 1973 deletions

View file

@ -1,6 +1,6 @@
use crate::{
rpc::{CLEANUP_TIMEOUT, RECONNECT_TIMEOUT},
tests::{channel_id, room_participants, RoomParticipants, TestClient, TestServer},
tests::{channel_id, room_participants, rust_lang, RoomParticipants, TestClient, TestServer},
};
use call::{room, ActiveCall, ParticipantLocation, Room};
use client::{User, RECEIVE_TIMEOUT};
@ -3785,8 +3785,7 @@ async fn test_collaborating_with_diagnostics(
.await;
let active_call_a = cx_a.read(ActiveCall::global);
// Set up a fake language server.
let mut language = Language::new(
client_a.language_registry().add(Arc::new(Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
@ -3796,9 +3795,10 @@ async fn test_collaborating_with_diagnostics(
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default()).await;
client_a.language_registry().add(Arc::new(language));
)));
let mut fake_language_servers = client_a
.language_registry()
.register_fake_lsp_adapter("Rust", Default::default());
// Share a project as client A
client_a
@ -4066,26 +4066,15 @@ async fn test_collaborating_with_lsp_progress_updates_and_diagnostics_ordering(
.create_room(&mut [(&client_a, cx_a), (&client_b, cx_b)])
.await;
// Set up a fake language server.
let mut language = Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
path_suffixes: vec!["rs".to_string()],
..Default::default()
},
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let mut fake_language_servers = language
.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
client_a.language_registry().add(rust_lang());
let mut fake_language_servers = client_a.language_registry().register_fake_lsp_adapter(
"Rust",
FakeLspAdapter {
disk_based_diagnostics_progress_token: Some("the-disk-based-token".into()),
disk_based_diagnostics_sources: vec!["the-disk-based-diagnostics-source".into()],
..Default::default()
}))
.await;
client_a.language_registry().add(Arc::new(language));
},
);
let file_names = &["one.rs", "two.rs", "three.rs", "four.rs", "five.rs"];
client_a
@ -4298,20 +4287,10 @@ async fn test_formatting_buffer(
.await;
let active_call_a = cx_a.read(ActiveCall::global);
// Set up a fake language server.
let mut language = Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
path_suffixes: vec!["rs".to_string()],
..Default::default()
},
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default()).await;
client_a.language_registry().add(Arc::new(language));
client_a.language_registry().add(rust_lang());
let mut fake_language_servers = client_a
.language_registry()
.register_fake_lsp_adapter("Rust", FakeLspAdapter::default());
// Here we insert a fake tree with a directory that exists on disk. This is needed
// because later we'll invoke a command, which requires passing a working directory
@ -4406,8 +4385,9 @@ async fn test_prettier_formatting_buffer(
.await;
let active_call_a = cx_a.read(ActiveCall::global);
// Set up a fake language server.
let mut language = Language::new(
let test_plugin = "test_plugin";
client_a.language_registry().add(Arc::new(Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
@ -4418,16 +4398,14 @@ async fn test_prettier_formatting_buffer(
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let test_plugin = "test_plugin";
let mut fake_language_servers = language
.set_fake_lsp_adapter(Arc::new(FakeLspAdapter {
)));
let mut fake_language_servers = client_a.language_registry().register_fake_lsp_adapter(
"Rust",
FakeLspAdapter {
prettier_plugins: vec![test_plugin],
..Default::default()
}))
.await;
let language = Arc::new(language);
client_a.language_registry().add(Arc::clone(&language));
},
);
// Here we insert a fake tree with a directory that exists on disk. This is needed
// because later we'll invoke a command, which requires passing a working directory
@ -4525,20 +4503,10 @@ async fn test_definition(
.await;
let active_call_a = cx_a.read(ActiveCall::global);
// Set up a fake language server.
let mut language = Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
path_suffixes: vec!["rs".to_string()],
..Default::default()
},
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default()).await;
client_a.language_registry().add(Arc::new(language));
let mut fake_language_servers = client_a
.language_registry()
.register_fake_lsp_adapter("Rust", Default::default());
client_a.language_registry().add(rust_lang());
client_a
.fs()
@ -4672,20 +4640,10 @@ async fn test_references(
.await;
let active_call_a = cx_a.read(ActiveCall::global);
// Set up a fake language server.
let mut language = Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
path_suffixes: vec!["rs".to_string()],
..Default::default()
},
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default()).await;
client_a.language_registry().add(Arc::new(language));
client_a.language_registry().add(rust_lang());
let mut fake_language_servers = client_a
.language_registry()
.register_fake_lsp_adapter("Rust", Default::default());
client_a
.fs()
@ -4872,20 +4830,10 @@ async fn test_document_highlights(
)
.await;
// Set up a fake language server.
let mut language = Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
path_suffixes: vec!["rs".to_string()],
..Default::default()
},
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default()).await;
client_a.language_registry().add(Arc::new(language));
let mut fake_language_servers = client_a
.language_registry()
.register_fake_lsp_adapter("Rust", Default::default());
client_a.language_registry().add(rust_lang());
let (project_a, worktree_id) = client_a.build_local_project("/root-1", cx_a).await;
let project_id = active_call_a
@ -4978,20 +4926,10 @@ async fn test_lsp_hover(
)
.await;
// Set up a fake language server.
let mut language = Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
path_suffixes: vec!["rs".to_string()],
..Default::default()
},
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default()).await;
client_a.language_registry().add(Arc::new(language));
client_a.language_registry().add(rust_lang());
let mut fake_language_servers = client_a
.language_registry()
.register_fake_lsp_adapter("Rust", Default::default());
let (project_a, worktree_id) = client_a.build_local_project("/root-1", cx_a).await;
let project_id = active_call_a
@ -5077,20 +5015,10 @@ async fn test_project_symbols(
.await;
let active_call_a = cx_a.read(ActiveCall::global);
// Set up a fake language server.
let mut language = Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
path_suffixes: vec!["rs".to_string()],
..Default::default()
},
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default()).await;
client_a.language_registry().add(Arc::new(language));
client_a.language_registry().add(rust_lang());
let mut fake_language_servers = client_a
.language_registry()
.register_fake_lsp_adapter("Rust", Default::default());
client_a
.fs()
@ -5189,20 +5117,10 @@ async fn test_open_buffer_while_getting_definition_pointing_to_it(
.await;
let active_call_a = cx_a.read(ActiveCall::global);
// Set up a fake language server.
let mut language = Language::new(
LanguageConfig {
name: "Rust".into(),
matcher: LanguageMatcher {
path_suffixes: vec!["rs".to_string()],
..Default::default()
},
..Default::default()
},
Some(tree_sitter_rust::language()),
);
let mut fake_language_servers = language.set_fake_lsp_adapter(Default::default()).await;
client_a.language_registry().add(Arc::new(language));
client_a.language_registry().add(rust_lang());
let mut fake_language_servers = client_a
.language_registry()
.register_fake_lsp_adapter("Rust", Default::default());
client_a
.fs()