mirror of
https://github.com/ilyakooo0/helix.git
synced 2024-09-12 00:07:42 +03:00
Improve error typing.
This commit is contained in:
parent
ef5e5f9296
commit
81ccca0c6a
41
Cargo.lock
generated
41
Cargo.lock
generated
@ -100,9 +100,9 @@ dependencies = [
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[[package]]
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name = "async-net"
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version = "1.4.7"
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version = "1.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ee4c3668eb091d781e97f0026b5289b457c77d407a85749a9bb4c057456c428f"
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checksum = "06de475c85affe184648202401d7622afb32f0f74e02192857d0201a16defbe5"
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dependencies = [
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"async-io",
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"blocking",
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@ -350,9 +350,9 @@ checksum = "5fc94b64bb39543b4e432f1790b6bf18e3ee3b74653c5449f63310e9a74b123c"
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[[package]]
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name = "futures-lite"
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version = "1.11.1"
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version = "1.11.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "381a7ad57b1bad34693f63f6f377e1abded7a9c85c9d3eb6771e11c60aaadab9"
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checksum = "5e6c079abfac3ab269e2927ec048dabc89d009ebfdda6b8ee86624f30c689658"
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dependencies = [
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"fastrand",
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"futures-core",
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@ -454,6 +454,7 @@ dependencies = [
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"serde_json",
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"shellexpand",
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"smol",
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"thiserror",
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"url",
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]
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@ -623,9 +624,9 @@ checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
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[[package]]
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name = "mio"
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version = "0.7.3"
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version = "0.7.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e53a6ea5f38c0a48ca42159868c6d8e1bd56c0451238856cc08d58563643bdc3"
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checksum = "f8f1c83949125de4a582aa2da15ae6324d91cf6a58a70ea407643941ff98f558"
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dependencies = [
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"libc",
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"log",
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@ -757,9 +758,9 @@ dependencies = [
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[[package]]
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name = "pin-project-lite"
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version = "0.1.10"
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version = "0.1.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e555d9e657502182ac97b539fb3dae8b79cda19e3e4f8ffb5e8de4f18df93c95"
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checksum = "c917123afa01924fc84bb20c4c03f004d9c38e5127e3c039bbf7f4b9c76a2f6b"
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[[package]]
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name = "pin-utils"
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@ -1022,6 +1023,26 @@ dependencies = [
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"unicode-width",
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]
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[[package]]
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name = "thiserror"
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version = "1.0.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "318234ffa22e0920fe9a40d7b8369b5f649d490980cf7aadcf1eb91594869b42"
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dependencies = [
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"thiserror-impl",
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]
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[[package]]
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name = "thiserror-impl"
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version = "1.0.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cae2447b6282786c3493999f40a9be2a6ad20cb8bd268b0a0dbf5a065535c0ab"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "thread_local"
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version = "1.0.1"
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@ -1139,9 +1160,9 @@ checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
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[[package]]
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name = "wepoll-sys"
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version = "3.0.0"
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version = "3.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "142bc2cba3fe88be1a8fcb55c727fa4cd5b0cf2d7438722792e22f26f04bc1e0"
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checksum = "0fcb14dea929042224824779fbc82d9fab8d2e6d3cbc0ac404de8edf489e77ff"
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dependencies = [
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"cc",
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]
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@ -20,3 +20,4 @@ serde_json = "1.0"
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serde = { version = "1.0", features = ["derive"] }
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jsonrpc-core = "15.1"
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futures-util = "0.3"
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thiserror = "1.0.21"
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242
helix-lsp/src/client.rs
Normal file
242
helix-lsp/src/client.rs
Normal file
@ -0,0 +1,242 @@
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use crate::{
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transport::{Payload, Transport},
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Error, Notification,
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};
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type Result<T> = core::result::Result<T, Error>;
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use helix_core::{State, Transaction};
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// use std::collections::HashMap;
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use jsonrpc_core as jsonrpc;
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use lsp_types as lsp;
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use serde_json::Value;
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use smol::{
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channel::{Receiver, Sender},
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io::{BufReader, BufWriter},
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// prelude::*,
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process::{Child, ChildStderr, Command, Stdio},
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Executor,
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};
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pub struct Client {
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_process: Child,
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stderr: BufReader<ChildStderr>,
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outgoing: Sender<Payload>,
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pub incoming: Receiver<Notification>,
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pub request_counter: u64,
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capabilities: Option<lsp::ServerCapabilities>,
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// TODO: handle PublishDiagnostics Version
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// diagnostics: HashMap<lsp::Url, Vec<lsp::Diagnostic>>,
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}
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impl Client {
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pub fn start(ex: &Executor, cmd: &str, args: &[String]) -> Self {
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let mut process = Command::new(cmd)
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.args(args)
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.stdin(Stdio::piped())
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.stdout(Stdio::piped())
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.stderr(Stdio::piped())
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.spawn()
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.expect("Failed to start language server");
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// smol makes sure the process is reaped on drop, but using kill_on_drop(true) maybe?
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// TODO: do we need bufreader/writer here? or do we use async wrappers on unblock?
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let writer = BufWriter::new(process.stdin.take().expect("Failed to open stdin"));
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let reader = BufReader::new(process.stdout.take().expect("Failed to open stdout"));
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let stderr = BufReader::new(process.stderr.take().expect("Failed to open stderr"));
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let (incoming, outgoing) = Transport::start(ex, reader, writer);
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Client {
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_process: process,
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stderr,
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outgoing,
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incoming,
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request_counter: 0,
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capabilities: None,
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// diagnostics: HashMap::new(),
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}
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}
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fn next_request_id(&mut self) -> jsonrpc::Id {
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let id = jsonrpc::Id::Num(self.request_counter);
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self.request_counter += 1;
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id
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}
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fn to_params(value: Value) -> Result<jsonrpc::Params> {
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use jsonrpc::Params;
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let params = match value {
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Value::Null => Params::None,
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Value::Bool(_) | Value::Number(_) | Value::String(_) => Params::Array(vec![value]),
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Value::Array(vec) => Params::Array(vec),
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Value::Object(map) => Params::Map(map),
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};
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Ok(params)
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}
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pub async fn request<R: lsp::request::Request>(
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&mut self,
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params: R::Params,
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) -> Result<R::Result>
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where
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R::Params: serde::Serialize,
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R::Result: core::fmt::Debug, // TODO: temporary
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{
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let params = serde_json::to_value(params)?;
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let request = jsonrpc::MethodCall {
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jsonrpc: Some(jsonrpc::Version::V2),
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id: self.next_request_id(),
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method: R::METHOD.to_string(),
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params: Self::to_params(params)?,
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};
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let (tx, rx) = smol::channel::bounded::<Result<Value>>(1);
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self.outgoing
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.send(Payload::Request {
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chan: tx,
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value: request,
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})
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.await
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.map_err(|e| Error::Other(e.into()))?;
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let response = rx.recv().await.map_err(|e| Error::Other(e.into()))??;
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let response = serde_json::from_value(response)?;
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// TODO: we should pass request to a sender thread via a channel
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// so it can't be interleaved
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// TODO: responses can be out of order, we need to register a single shot response channel
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Ok(response)
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}
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pub async fn notify<R: lsp::notification::Notification>(
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&mut self,
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params: R::Params,
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) -> Result<()>
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where
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R::Params: serde::Serialize,
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{
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let params = serde_json::to_value(params)?;
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let notification = jsonrpc::Notification {
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jsonrpc: Some(jsonrpc::Version::V2),
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method: R::METHOD.to_string(),
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params: Self::to_params(params)?,
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};
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self.outgoing
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.send(Payload::Notification(notification))
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.await
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.map_err(|e| Error::Other(e.into()))?;
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Ok(())
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}
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// -------------------------------------------------------------------------------------------
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// General messages
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// -------------------------------------------------------------------------------------------
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pub async fn initialize(&mut self) -> Result<()> {
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// TODO: delay any requests that are triggered prior to initialize
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#[allow(deprecated)]
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let params = lsp::InitializeParams {
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process_id: Some(u64::from(std::process::id())),
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root_path: None,
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// root_uri: Some(lsp_types::Url::parse("file://localhost/")?),
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root_uri: None, // set to project root in the future
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initialization_options: None,
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capabilities: lsp::ClientCapabilities::default(),
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trace: None,
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workspace_folders: None,
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client_info: None,
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};
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let response = self.request::<lsp::request::Initialize>(params).await?;
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self.capabilities = Some(response.capabilities);
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// next up, notify<initialized>
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self.notify::<lsp::notification::Initialized>(lsp::InitializedParams {})
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.await?;
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Ok(())
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}
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pub async fn shutdown(&mut self) -> Result<()> {
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self.request::<lsp::request::Shutdown>(()).await
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}
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pub async fn exit(&mut self) -> Result<()> {
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self.notify::<lsp::notification::Exit>(()).await
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}
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// -------------------------------------------------------------------------------------------
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// Text document
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// -------------------------------------------------------------------------------------------
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pub async fn text_document_did_open(&mut self, state: &State) -> Result<()> {
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self.notify::<lsp::notification::DidOpenTextDocument>(lsp::DidOpenTextDocumentParams {
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text_document: lsp::TextDocumentItem {
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uri: lsp::Url::from_file_path(state.path().unwrap()).unwrap(),
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language_id: "rust".to_string(), // TODO: hardcoded for now
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version: state.version,
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text: String::from(&state.doc),
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},
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})
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.await
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}
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// TODO: trigger any time history.commit_revision happens
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pub async fn text_document_did_change(
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&mut self,
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state: &State,
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transaction: &Transaction,
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) -> Result<()> {
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self.notify::<lsp::notification::DidChangeTextDocument>(lsp::DidChangeTextDocumentParams {
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text_document: lsp::VersionedTextDocumentIdentifier::new(
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lsp::Url::from_file_path(state.path().unwrap()).unwrap(),
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state.version,
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),
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content_changes: vec![lsp::TextDocumentContentChangeEvent {
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// range = None -> whole document
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range: None, //Some(Range)
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range_length: None, // u64 apparently deprecated
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text: "".to_string(),
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}], // TODO: probably need old_state here too?
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})
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.await
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}
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// TODO: impl into() TextDocumentIdentifier / VersionedTextDocumentIdentifier for State.
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pub async fn text_document_did_close(&mut self, state: &State) -> Result<()> {
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self.notify::<lsp::notification::DidCloseTextDocument>(lsp::DidCloseTextDocumentParams {
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text_document: lsp::TextDocumentIdentifier::new(
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lsp::Url::from_file_path(state.path().unwrap()).unwrap(),
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),
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})
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.await
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}
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// will_save / will_save_wait_until
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pub async fn text_document_did_save(&mut self) -> anyhow::Result<()> {
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unimplemented!()
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}
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}
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@ -1,27 +1,26 @@
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mod client;
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mod transport;
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use transport::{Payload, Transport};
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use helix_core::{State, Transaction};
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// use std::collections::HashMap;
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use jsonrpc_core as jsonrpc;
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use lsp_types as lsp;
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use serde_json::Value;
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pub use client::Client;
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pub use lsp::{Position, Url};
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use serde::{Deserialize, Serialize};
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use thiserror::Error;
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pub use lsp::Position;
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pub use lsp::Url;
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use smol::{
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channel::{Receiver, Sender},
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io::{BufReader, BufWriter},
|
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// prelude::*,
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process::{Child, ChildStderr, Command, Stdio},
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Executor,
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};
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#[derive(Error, Debug)]
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pub enum Error {
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#[error("protocol error: {0}")]
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Rpc(#[from] jsonrpc::Error),
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#[error("failed to parse: {0}")]
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Parse(#[from] serde_json::Error),
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#[error("request timed out")]
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Timeout,
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#[error(transparent)]
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Other(#[from] anyhow::Error),
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}
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pub mod util {
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use super::*;
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@ -68,209 +67,3 @@ pub fn parse(method: &str, params: jsonrpc::Params) -> Notification {
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}
|
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}
|
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}
|
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|
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pub struct Client {
|
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_process: Child,
|
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stderr: BufReader<ChildStderr>,
|
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|
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outgoing: Sender<Payload>,
|
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pub incoming: Receiver<Notification>,
|
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|
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pub request_counter: u64,
|
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|
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capabilities: Option<lsp::ServerCapabilities>,
|
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// TODO: handle PublishDiagnostics Version
|
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// diagnostics: HashMap<lsp::Url, Vec<lsp::Diagnostic>>,
|
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}
|
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|
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impl Client {
|
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pub fn start(ex: &Executor, cmd: &str, args: &[String]) -> Self {
|
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let mut process = Command::new(cmd)
|
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.args(args)
|
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.stdin(Stdio::piped())
|
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.stdout(Stdio::piped())
|
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.stderr(Stdio::piped())
|
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.spawn()
|
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.expect("Failed to start language server");
|
||||
// smol makes sure the process is reaped on drop, but using kill_on_drop(true) maybe?
|
||||
|
||||
// TODO: do we need bufreader/writer here? or do we use async wrappers on unblock?
|
||||
let writer = BufWriter::new(process.stdin.take().expect("Failed to open stdin"));
|
||||
let reader = BufReader::new(process.stdout.take().expect("Failed to open stdout"));
|
||||
let stderr = BufReader::new(process.stderr.take().expect("Failed to open stderr"));
|
||||
|
||||
let (incoming, outgoing) = Transport::start(ex, reader, writer);
|
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|
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Client {
|
||||
_process: process,
|
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stderr,
|
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|
||||
outgoing,
|
||||
incoming,
|
||||
|
||||
request_counter: 0,
|
||||
|
||||
capabilities: None,
|
||||
// diagnostics: HashMap::new(),
|
||||
}
|
||||
}
|
||||
|
||||
fn next_request_id(&mut self) -> jsonrpc::Id {
|
||||
let id = jsonrpc::Id::Num(self.request_counter);
|
||||
self.request_counter += 1;
|
||||
id
|
||||
}
|
||||
|
||||
fn to_params(value: Value) -> anyhow::Result<jsonrpc::Params> {
|
||||
use jsonrpc::Params;
|
||||
|
||||
let params = match value {
|
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Value::Null => Params::None,
|
||||
Value::Bool(_) | Value::Number(_) | Value::String(_) => Params::Array(vec![value]),
|
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Value::Array(vec) => Params::Array(vec),
|
||||
Value::Object(map) => Params::Map(map),
|
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};
|
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|
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Ok(params)
|
||||
}
|
||||
|
||||
pub async fn request<R: lsp::request::Request>(
|
||||
&mut self,
|
||||
params: R::Params,
|
||||
) -> anyhow::Result<R::Result>
|
||||
where
|
||||
R::Params: serde::Serialize,
|
||||
R::Result: core::fmt::Debug, // TODO: temporary
|
||||
{
|
||||
let params = serde_json::to_value(params)?;
|
||||
|
||||
let request = jsonrpc::MethodCall {
|
||||
jsonrpc: Some(jsonrpc::Version::V2),
|
||||
id: self.next_request_id(),
|
||||
method: R::METHOD.to_string(),
|
||||
params: Self::to_params(params)?,
|
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};
|
||||
|
||||
let (tx, rx) = smol::channel::bounded::<anyhow::Result<Value>>(1);
|
||||
|
||||
self.outgoing
|
||||
.send(Payload::Request {
|
||||
chan: tx,
|
||||
value: request,
|
||||
})
|
||||
.await?;
|
||||
|
||||
let response = rx.recv().await??;
|
||||
|
||||
let response = serde_json::from_value(response)?;
|
||||
|
||||
// TODO: we should pass request to a sender thread via a channel
|
||||
// so it can't be interleaved
|
||||
|
||||
// TODO: responses can be out of order, we need to register a single shot response channel
|
||||
|
||||
Ok(response)
|
||||
}
|
||||
|
||||
pub async fn notify<R: lsp::notification::Notification>(
|
||||
&mut self,
|
||||
params: R::Params,
|
||||
) -> anyhow::Result<()>
|
||||
where
|
||||
R::Params: serde::Serialize,
|
||||
{
|
||||
let params = serde_json::to_value(params)?;
|
||||
|
||||
let notification = jsonrpc::Notification {
|
||||
jsonrpc: Some(jsonrpc::Version::V2),
|
||||
method: R::METHOD.to_string(),
|
||||
params: Self::to_params(params)?,
|
||||
};
|
||||
|
||||
self.outgoing
|
||||
.send(Payload::Notification(notification))
|
||||
.await?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
// -------------------------------------------------------------------------------------------
|
||||
// General messages
|
||||
// -------------------------------------------------------------------------------------------
|
||||
|
||||
pub async fn initialize(&mut self) -> anyhow::Result<()> {
|
||||
// TODO: delay any requests that are triggered prior to initialize
|
||||
|
||||
#[allow(deprecated)]
|
||||
let params = lsp::InitializeParams {
|
||||
process_id: Some(u64::from(std::process::id())),
|
||||
root_path: None,
|
||||
// root_uri: Some(lsp_types::Url::parse("file://localhost/")?),
|
||||
root_uri: None, // set to project root in the future
|
||||
initialization_options: None,
|
||||
capabilities: lsp::ClientCapabilities::default(),
|
||||
trace: None,
|
||||
workspace_folders: None,
|
||||
client_info: None,
|
||||
};
|
||||
|
||||
let response = self.request::<lsp::request::Initialize>(params).await?;
|
||||
self.capabilities = Some(response.capabilities);
|
||||
|
||||
// next up, notify<initialized>
|
||||
self.notify::<lsp::notification::Initialized>(lsp::InitializedParams {})
|
||||
.await?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn shutdown(&mut self) -> anyhow::Result<()> {
|
||||
self.request::<lsp::request::Shutdown>(()).await
|
||||
}
|
||||
|
||||
pub async fn exit(&mut self) -> anyhow::Result<()> {
|
||||
self.notify::<lsp::notification::Exit>(()).await
|
||||
}
|
||||
|
||||
// -------------------------------------------------------------------------------------------
|
||||
// Text document
|
||||
// -------------------------------------------------------------------------------------------
|
||||
|
||||
pub async fn text_document_did_open(&mut self, state: &State) -> anyhow::Result<()> {
|
||||
self.notify::<lsp::notification::DidOpenTextDocument>(lsp::DidOpenTextDocumentParams {
|
||||
text_document: lsp::TextDocumentItem {
|
||||
uri: lsp::Url::from_file_path(state.path().unwrap()).unwrap(),
|
||||
language_id: "rust".to_string(), // TODO: hardcoded for now
|
||||
version: state.version,
|
||||
text: String::from(&state.doc),
|
||||
},
|
||||
})
|
||||
.await
|
||||
}
|
||||
|
||||
// TODO: trigger any time history.commit_revision happens
|
||||
pub async fn text_document_did_change(
|
||||
&mut self,
|
||||
state: &State,
|
||||
transaction: &Transaction,
|
||||
) -> anyhow::Result<()> {
|
||||
self.notify::<lsp::notification::DidChangeTextDocument>(lsp::DidChangeTextDocumentParams {
|
||||
text_document: lsp::VersionedTextDocumentIdentifier::new(
|
||||
lsp::Url::from_file_path(state.path().unwrap()).unwrap(),
|
||||
state.version,
|
||||
),
|
||||
content_changes: vec![], // TODO: probably need old_state here too?
|
||||
})
|
||||
.await
|
||||
}
|
||||
|
||||
pub async fn text_document_did_close(&mut self) -> anyhow::Result<()> {
|
||||
unimplemented!()
|
||||
}
|
||||
|
||||
// will_save / will_save_wait_until
|
||||
|
||||
pub async fn text_document_did_save(&mut self) -> anyhow::Result<()> {
|
||||
unimplemented!()
|
||||
}
|
||||
}
|
||||
|
@ -1,9 +1,10 @@
|
||||
use std::collections::HashMap;
|
||||
|
||||
use crate::{Message, Notification};
|
||||
use crate::{Error, Message, Notification};
|
||||
|
||||
type Result<T> = core::result::Result<T, Error>;
|
||||
|
||||
use jsonrpc_core as jsonrpc;
|
||||
use lsp_types as lsp;
|
||||
use serde_json::Value;
|
||||
|
||||
use smol::prelude::*;
|
||||
@ -17,7 +18,7 @@
|
||||
|
||||
pub(crate) enum Payload {
|
||||
Request {
|
||||
chan: Sender<anyhow::Result<Value>>,
|
||||
chan: Sender<Result<Value>>,
|
||||
value: jsonrpc::MethodCall,
|
||||
},
|
||||
Notification(jsonrpc::Notification),
|
||||
@ -27,7 +28,7 @@ pub(crate) struct Transport {
|
||||
incoming: Sender<Notification>, // TODO Notification | Call
|
||||
outgoing: Receiver<Payload>,
|
||||
|
||||
pending_requests: HashMap<jsonrpc::Id, Sender<anyhow::Result<Value>>>,
|
||||
pending_requests: HashMap<jsonrpc::Id, Sender<Result<Value>>>,
|
||||
headers: HashMap<String, String>,
|
||||
|
||||
writer: BufWriter<ChildStdin>,
|
||||
@ -60,7 +61,7 @@ pub fn start(
|
||||
async fn recv(
|
||||
reader: &mut (impl AsyncBufRead + Unpin),
|
||||
headers: &mut HashMap<String, String>,
|
||||
) -> Result<Message, std::io::Error> {
|
||||
) -> core::result::Result<Message, std::io::Error> {
|
||||
// read headers
|
||||
loop {
|
||||
let mut header = String::new();
|
||||
@ -74,8 +75,10 @@ async fn recv(
|
||||
|
||||
let parts: Vec<&str> = header.split(": ").collect();
|
||||
if parts.len() != 2 {
|
||||
// return Err(Error::new(ErrorKind::Other, "Failed to parse header"));
|
||||
panic!()
|
||||
return Err(std::io::Error::new(
|
||||
std::io::ErrorKind::Other,
|
||||
"Failed to parse header",
|
||||
));
|
||||
}
|
||||
headers.insert(parts[0].to_string(), parts[1].to_string());
|
||||
}
|
||||
@ -155,7 +158,13 @@ pub async fn recv_response(&mut self, output: jsonrpc::Output) -> anyhow::Result
|
||||
.expect("pending_request with id not found!");
|
||||
tx.send(Ok(result)).await?;
|
||||
}
|
||||
jsonrpc::Output::Failure(_) => panic!("recv fail"),
|
||||
jsonrpc::Output::Failure(jsonrpc::Failure { id, error, .. }) => {
|
||||
let tx = self
|
||||
.pending_requests
|
||||
.remove(&id)
|
||||
.expect("pending_request with id not found!");
|
||||
tx.send(Err(error.into())).await?;
|
||||
}
|
||||
msg => unimplemented!("{:?}", msg),
|
||||
}
|
||||
Ok(())
|
||||
|
Loading…
Reference in New Issue
Block a user