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pull/5/head
Blaž Hrastnik 4 years ago
parent 3f707c19f4
commit a7869c728c
6 changed files with 115 additions and 40 deletions
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68
Cargo.lock generated
Unescape Escape View File

@ -2,24 +2,18 @@
# It is not intended for manual editing.
[[package]]
name = "aho-corasick"
version = "0.7.14"
version = "0.7.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b476ce7103678b0c6d3d395dbbae31d48ff910bd28be979ba5d48c6351131d0d"
checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
dependencies = [
"memchr",
]
[[package]]
name = "anyhow"
version = "1.0.33"
version = "1.0.34"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a1fd36ffbb1fb7c834eac128ea8d0e310c5aeb635548f9d58861e1308d46e71c"
[[package]]
name = "arc-swap"
version = "0.4.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4d25d88fd6b8041580a654f9d0c581a047baee2b3efee13275f2fc392fc75034"
checksum = "bf8dcb5b4bbaa28653b647d8c77bd4ed40183b48882e130c1f1ffb73de069fd7"
[[package]]
name = "arrayref"
@ -158,9 +152,9 @@ checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
[[package]]
name = "blake2b_simd"
version = "0.5.10"
version = "0.5.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d8fb2d74254a3a0b5cac33ac9f8ed0e44aa50378d9dbb2e5d83bd21ed1dc2c8a"
checksum = "afa748e348ad3be8263be728124b24a24f268266f6f5d58af9d75f6a40b5c587"
dependencies = [
"arrayref",
"arrayvec",
@ -279,9 +273,9 @@ dependencies = [
[[package]]
name = "crossterm"
version = "0.18.1"
version = "0.18.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cef9149b29071d44c9fb98fd9c27fcf74405bbdb761889ad6a03f36be93b0b15"
checksum = "4e86d73f2a0b407b5768d10a8c720cf5d2df49a9efc10ca09176d201ead4b7fb"
dependencies = [
"bitflags",
"crossterm_winapi",
@ -479,6 +473,7 @@ dependencies = [
"jsonrpc-core",
"log",
"lsp-types",
"once_cell",
"pathdiff",
"serde",
"serde_json",
@ -653,15 +648,15 @@ checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
[[package]]
name = "memchr"
version = "2.3.3"
version = "2.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
[[package]]
name = "mio"
version = "0.7.4"
version = "0.7.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f8f1c83949125de4a582aa2da15ae6324d91cf6a58a70ea407643941ff98f558"
checksum = "8962c171f57fcfffa53f4df1bb15ec4c8cf26a7569459c9ceb62d94aab0d9584"
dependencies = [
"libc",
"log",
@ -707,9 +702,9 @@ dependencies = [
[[package]]
name = "num-integer"
version = "0.1.43"
version = "0.1.44"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
dependencies = [
"autocfg",
"num-traits",
@ -717,9 +712,9 @@ dependencies = [
[[package]]
name = "num-traits"
version = "0.2.12"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
dependencies = [
"autocfg",
]
@ -837,9 +832,9 @@ dependencies = [
[[package]]
name = "proc-macro-hack"
version = "0.5.18"
version = "0.5.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "99c605b9a0adc77b7211c6b1f722dcb613d68d66859a44f3d485a6da332b0598"
checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
[[package]]
name = "proc-macro-nested"
@ -884,9 +879,9 @@ dependencies = [
[[package]]
name = "regex"
version = "1.4.1"
version = "1.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8963b85b8ce3074fecffde43b4b0dded83ce2f367dc8d363afc56679f3ee820b"
checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
dependencies = [
"aho-corasick",
"memchr",
@ -896,9 +891,9 @@ dependencies = [
[[package]]
name = "regex-syntax"
version = "0.6.20"
version = "0.6.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8cab7a364d15cde1e505267766a2d3c4e22a843e1a601f0fa7564c0f82ced11c"
checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
[[package]]
name = "ropey"
@ -997,11 +992,10 @@ dependencies = [
[[package]]
name = "signal-hook-registry"
version = "1.2.1"
version = "1.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a3e12110bc539e657a646068aaf5eb5b63af9d0c1f7b29c97113fad80e15f035"
checksum = "ce32ea0c6c56d5eacaeb814fbed9960547021d3edd010ded1425f180536b20ab"
dependencies = [
"arc-swap",
"libc",
]
@ -1079,18 +1073,18 @@ dependencies = [
[[package]]
name = "thiserror"
version = "1.0.21"
version = "1.0.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "318234ffa22e0920fe9a40d7b8369b5f649d490980cf7aadcf1eb91594869b42"
checksum = "0e9ae34b84616eedaaf1e9dd6026dbe00dcafa92aa0c8077cb69df1fcfe5e53e"
dependencies = [
"thiserror-impl",
]
[[package]]
name = "thiserror-impl"
version = "1.0.21"
version = "1.0.22"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cae2447b6282786c3493999f40a9be2a6ad20cb8bd268b0a0dbf5a065535c0ab"
checksum = "9ba20f23e85b10754cd195504aebf6a27e2e6cbe28c17778a0c930724628dd56"
dependencies = [
"proc-macro2",
"quote",
@ -1125,9 +1119,9 @@ checksum = "238ce071d267c5710f9d31451efec16c5ee22de34df17cc05e56cbc92e967117"
[[package]]
name = "tree-sitter"
version = "0.17.0"
version = "0.17.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70ee7370fec3aecde3862a7d64c571048f70a7298daef1815e8fc68b9de54b5c"
checksum = "d18dcb776d3affaba6db04d11d645946d34a69b3172e588af96ce9fecd20faac"
dependencies = [
"cc",
"regex",

4
helix-core/src/syntax.rs
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@ -62,6 +62,10 @@ impl LanguageConfiguration {
})
.map(Option::as_ref)
}
pub fn scope(&self) -> &str {
&self.scope
}
}
use once_cell::sync::Lazy;

1
helix-lsp/Cargo.toml
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@ -9,6 +9,7 @@ edition = "2018"
[dependencies]
helix-core = { path = "../helix-core" }
helix-view = { path = "../helix-view" }
once_cell = "1.4"
lsp-types = { version = "0.83", features = ["proposed"] }
smol = "1.2"

53
helix-lsp/src/lib.rs
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@ -4,11 +4,15 @@ mod transport;
pub use jsonrpc_core as jsonrpc;
pub use lsp_types as lsp;
pub use once_cell::sync::{Lazy, OnceCell};
pub use client::Client;
pub use lsp::{Position, Url};
use thiserror::Error;
use std::{collections::HashMap, sync::Arc};
#[derive(Error, Debug)]
pub enum Error {
#[error("protocol error: {0}")]
@ -62,3 +66,52 @@ impl Notification {
}
pub use jsonrpc::Call;
type LanguageId = String;
pub static REGISTRY: Lazy<Registry> = Lazy::new(Registry::init);
pub struct Registry {
inner: HashMap<LanguageId, OnceCell<Arc<Client>>>,
}
impl Registry {
pub fn init() -> Self {
Self {
inner: HashMap::new(),
}
}
pub fn get(&self, id: &str, ex: &smol::Executor) -> Option<Arc<Client>> {
// TODO: use get_or_try_init and propagate the error
self.inner
.get(id)
.map(|cell| {
cell.get_or_init(|| {
// TODO: lookup defaults for id (name, args)
// initialize a new client
let client = Client::start(&ex, "rust-analyzer", &[]);
// TODO: also call initialize().await()
Arc::new(client)
})
})
.cloned()
}
}
// REGISTRY = HashMap<LanguageId, Lazy/OnceCell<Arc<RwLock<Client>>>
// spawn one server per language type, need to spawn one per workspace if server doesn't support
// workspaces
//
// could also be a client per root dir
//
// storing a copy of Option<Arc<RwLock<Client>>> on Document would make the LSP client easily
// accessible during edit/save callbacks
//
// the event loop needs to process all incoming streams, maybe we can just have that be a separate
// task that's continually running and store the state on the client, then use read lock to
// retrieve data during render
// -> PROBLEM: how do you trigger an update on the editor side when data updates?
//
// -> The data updates should pull all events until we run out so we don't frequently re-render

14
helix-term/src/application.rs
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@ -636,9 +636,17 @@ impl<'a> Application<'a> {
}
}
Some(Call::MethodCall(call)) => {
// TODO: need to make Result<Value, Error>
unimplemented!("{:?}", call)
debug!("Method not found {}", call.method);
self.language_server.reply(
call.id,
// TODO: make a Into trait that can cast to Err(jsonrpc::Error)
Err(helix_lsp::jsonrpc::Error {
code: helix_lsp::jsonrpc::ErrorCode::MethodNotFound,
message: "Method not found".to_string(),
data: None,
}),
);
}
_ => unreachable!(),
}

15
helix-view/src/document.rs
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@ -25,6 +25,8 @@ pub struct Document {
/// Tree-sitter AST tree
pub syntax: Option<Syntax>,
/// Corresponding language scope name. Usually `source.<lang>`.
pub language: Option<String>,
/// Pending changes since last history commit.
pub changes: ChangeSet,
@ -64,6 +66,7 @@ impl Document {
mode: Mode::Normal,
restore_cursor: false,
syntax: None,
language: None,
changes,
old_state,
diagnostics: Vec::new(),
@ -73,6 +76,7 @@ impl Document {
}
// TODO: passing scopes here is awkward
// TODO: async fn?
pub fn load(path: PathBuf, scopes: &[String]) -> Result<Self, Error> {
use std::{env, fs::File, io::BufReader};
let _current_dir = env::current_dir()?;
@ -90,6 +94,15 @@ impl Document {
let syntax = Syntax::new(&doc.state.doc, highlight_config.clone());
doc.syntax = Some(syntax);
// TODO: maybe just keep an Arc<> pointer to the language_config?
doc.language = Some(language_config.scope().to_string());
// TODO: this ties lsp support to tree-sitter enabled languages for now. Language
// config should use Option<HighlightConfig> to let us have non-tree-sitter configs.
// TODO: circular dep: view <-> lsp
// helix_lsp::REGISTRY;
// view should probably depend on lsp
};
// canonicalize path to absolute value
@ -98,6 +111,8 @@ impl Document {
Ok(doc)
}
// TODO: do we need some way of ensuring two save operations on the same doc can't run at once?
// or is that handled by the OS/async layer
pub fn save(&self) -> impl Future<Output = Result<(), anyhow::Error>> {
// we clone and move text + path into the future so that we asynchronously save the current
// state without blocking any further edits.

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