use std::sync::Arc;use std::time::Duration; use crate::Editor;use collections::HashMap;use gpui::AsyncApp;use gpui::{App, Entity, Task};use itertools::Itertools;use language::Buffer;use language::Language;use lsp::LanguageServerId;use lsp::LanguageServerName;use multi_buffer::Anchor;use project::LanguageServerToQuery;use project::LocationLink;use project::Project;use project::TaskSourceKind;use project::lsp_store::lsp_ext_command::GetLspRunnables;use smol::future::FutureExt as _;use task::ResolvedTask;use task::TaskContext;use text::BufferId;use ui::SharedString;use util::ResultExt as _; pub(crate) fn find_specific_language_server_in_selection<F>(    editor: &Editor,    cx: &mut App,    filter_language: F,    language_server_name: LanguageServerName,) -> Option<(Anchor, Arc<Language>, LanguageServerId, Entity<Buffer>)>where    F: Fn(&Language) -> bool,{    let project = editor.project.clone()?;    editor        .selections        .disjoint_anchors_arc()        .iter()        .filter_map(|selection| Some((selection.head(), selection.head().text_anchor.buffer_id?)))        .unique_by(|(_, buffer_id)| *buffer_id)        .find_map(|(trigger_anchor, buffer_id)| {            let buffer = editor.buffer().read(cx).buffer(buffer_id)?;            let language = buffer.read(cx).language_at(trigger_anchor.text_anchor)?;            if filter_language(&language) {                let server_id = buffer.update(cx, |buffer, cx| {                    project                        .read(cx)                        .language_server_id_for_name(buffer, &language_server_name, cx)                })?;                Some((trigger_anchor, language, server_id, buffer))            } else {                None            }        })} async fn lsp_task_context(    project: &Entity<Project>,    buffer: &Entity<Buffer>,    cx: &mut AsyncApp,) -> Option<TaskContext> {    let (worktree_store, environment) = project.read_with(cx, |project, _| {        (project.worktree_store(), project.environment().clone())    });     let worktree_abs_path = cx.update(|cx| {        let worktree_id = buffer.read(cx).file().map(|f| f.worktree_id(cx));         worktree_id            .and_then(|worktree_id| worktree_store.read(cx).worktree_for_id(worktree_id, cx))            .and_then(|worktree| worktree.read(cx).root_dir())    });     let project_env = environment        .update(cx, |environment, cx| {            environment.buffer_environment(buffer, &worktree_store, cx)        })        .await;     Some(TaskContext {        cwd: worktree_abs_path.map(|p| p.to_path_buf()),        project_env: project_env.unwrap_or_default(),        ..TaskContext::default()    })} pub fn lsp_tasks(    project: Entity<Project>,    task_sources: &HashMap<LanguageServerName, Vec<BufferId>>,    for_position: Option<text::Anchor>,    cx: &mut App,) -> Task<Vec<(TaskSourceKind, Vec<(Option<LocationLink>, ResolvedTask)>)>> {    let lsp_task_sources = task_sources        .iter()        .filter_map(|(name, buffer_ids)| {            let buffers = buffer_ids                .iter()                .filter(|&&buffer_id| match for_position {                    Some(for_position) => for_position.buffer_id == Some(buffer_id),                    None => true,                })                .filter_map(|&buffer_id| project.read(cx).buffer_for_id(buffer_id, cx))                .collect::<Vec<_>>();             let server_id = buffers.iter().find_map(|buffer| {                project.read_with(cx, |project, cx| {                    project.language_server_id_for_name(buffer.read(cx), name, cx)                })            });            server_id.zip(Some(buffers))        })        .collect::<Vec<_>>();     cx.spawn(async move |cx| {        cx.spawn(async move |cx| {            let mut lsp_tasks = HashMap::default();            for (server_id, buffers) in lsp_task_sources {                let mut new_lsp_tasks = Vec::new();                for buffer in buffers {                    let source_kind = match buffer.update(cx, |buffer, _| {                        buffer.language().map(|language| language.name())                    }) {                        Some(language_name) => TaskSourceKind::Lsp {                            server: server_id,                            language_name: SharedString::from(language_name),                        },                        None => continue,                    };                    let id_base = source_kind.to_id_base();                    let lsp_buffer_context = lsp_task_context(&project, &buffer, cx)                        .await                        .unwrap_or_default();                     let runnables_task = project.update(cx, |project, cx| {                        let buffer_id = buffer.read(cx).remote_id();                        project.request_lsp(                            buffer,                            LanguageServerToQuery::Other(server_id),                            GetLspRunnables {                                buffer_id,                                position: for_position,                            },                            cx,                        )                    });                    if let Some(new_runnables) = runnables_task.await.log_err() {                        new_lsp_tasks.extend(new_runnables.runnables.into_iter().filter_map(                            |(location, runnable)| {                                let resolved_task =                                    runnable.resolve_task(&id_base, &lsp_buffer_context)?;                                Some((location, resolved_task))                            },                        ));                    }                    lsp_tasks                        .entry(source_kind)                        .or_insert_with(Vec::new)                        .append(&mut new_lsp_tasks);                }            }            lsp_tasks.into_iter().collect()        })        .race({            // `lsp::DEFAULT_LSP_REQUEST_TIMEOUT` is larger than we want for the modal to open fast            let timer = cx.background_executor().timer(Duration::from_millis(200));            async move {                timer.await;                log::info!("Timed out waiting for LSP tasks");                Vec::new()            }        })        .await    })}