@@ -1,155 +0,0 @@
-use anyhow::{anyhow, Result};
-use async_trait::async_trait;
-use futures::StreamExt;
-use gpui::AsyncAppContext;
-use language::{LanguageServerName, LspAdapter, LspAdapterDelegate};
-use lsp::LanguageServerBinary;
-use node_runtime::NodeRuntime;
-use project::project_settings::ProjectSettings;
-use serde_json::Value;
-use settings::Settings;
-use smol::fs;
-use std::{
- any::Any,
- ffi::OsString,
- path::{Path, PathBuf},
- sync::Arc,
-};
-use util::{maybe, ResultExt};
-
-const SERVER_NAME: &str = "elm-language-server";
-const SERVER_PATH: &str = "node_modules/@elm-tooling/elm-language-server/out/node/index.js";
-
-fn server_binary_arguments(server_path: &Path) -> Vec<OsString> {
- vec![server_path.into(), "--stdio".into()]
-}
-
-pub struct ElmLspAdapter {
- node: Arc<dyn NodeRuntime>,
-}
-
-impl ElmLspAdapter {
- pub fn new(node: Arc<dyn NodeRuntime>) -> Self {
- ElmLspAdapter { node }
- }
-}
-
-#[async_trait(?Send)]
-impl LspAdapter for ElmLspAdapter {
- fn name(&self) -> LanguageServerName {
- LanguageServerName(SERVER_NAME.into())
- }
-
- async fn fetch_latest_server_version(
- &self,
- _: &dyn LspAdapterDelegate,
- ) -> Result<Box<dyn 'static + Any + Send>> {
- Ok(Box::new(
- self.node
- .npm_package_latest_version("@elm-tooling/elm-language-server")
- .await?,
- ) as Box<_>)
- }
-
- async fn fetch_server_binary(
- &self,
- latest_version: Box<dyn 'static + Send + Any>,
- container_dir: PathBuf,
- _: &dyn LspAdapterDelegate,
- ) -> Result<LanguageServerBinary> {
- let latest_version = latest_version.downcast::<String>().unwrap();
- let server_path = container_dir.join(SERVER_PATH);
- let package_name = "@elm-tooling/elm-language-server";
-
- let should_install_language_server = self
- .node
- .should_install_npm_package(package_name, &server_path, &container_dir, &latest_version)
- .await;
-
- if should_install_language_server {
- self.node
- .npm_install_packages(&container_dir, &[(package_name, latest_version.as_str())])
- .await?;
- }
-
- Ok(LanguageServerBinary {
- path: self.node.binary_path().await?,
- env: None,
- arguments: server_binary_arguments(&server_path),
- })
- }
-
- async fn cached_server_binary(
- &self,
- container_dir: PathBuf,
- _: &dyn LspAdapterDelegate,
- ) -> Option<LanguageServerBinary> {
- get_cached_server_binary(container_dir, &*self.node).await
- }
-
- async fn installation_test_binary(
- &self,
- container_dir: PathBuf,
- ) -> Option<LanguageServerBinary> {
- get_cached_server_binary(container_dir, &*self.node).await
- }
-
- async fn workspace_configuration(
- self: Arc<Self>,
- _: &Arc<dyn LspAdapterDelegate>,
- cx: &mut AsyncAppContext,
- ) -> Result<Value> {
- // elm-language-server expects workspace didChangeConfiguration notification
- // params to be the same as lsp initialization_options
- let override_options = cx.update(|cx| {
- ProjectSettings::get_global(cx)
- .lsp
- .get(SERVER_NAME)
- .and_then(|s| s.initialization_options.clone())
- .unwrap_or_default()
- })?;
-
- Ok(match override_options.clone().as_object_mut() {
- Some(op) => {
- // elm-language-server requests workspace configuration
- // for the `elmLS` section, so we have to nest
- // another copy of initialization_options there
- op.insert("elmLS".into(), override_options);
- serde_json::to_value(op).unwrap_or_default()
- }
- None => override_options,
- })
- }
-}
-
-async fn get_cached_server_binary(
- container_dir: PathBuf,
- node: &dyn NodeRuntime,
-) -> Option<LanguageServerBinary> {
- maybe!(async {
- let mut last_version_dir = None;
- let mut entries = fs::read_dir(&container_dir).await?;
- while let Some(entry) = entries.next().await {
- let entry = entry?;
- if entry.file_type().await?.is_dir() {
- last_version_dir = Some(entry.path());
- }
- }
- let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?;
- let server_path = last_version_dir.join(SERVER_PATH);
- if server_path.exists() {
- Ok(LanguageServerBinary {
- path: node.binary_path().await?,
- env: None,
- arguments: server_binary_arguments(&server_path),
- })
- } else {
- Err(anyhow!(
- "missing executable in directory {:?}",
- last_version_dir
- ))
- }
- })
- .await
- .log_err()
-}