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Merge pull request #2261 from zed-industries/async-language-loading

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Allow waiting for language to be loaded in LanguageRegistry APIs
This commit is contained in:
Antonio Scandurra 2023-03-10 15:27:08 +01:00 committed by GitHub
commit d39c761de5
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GPG Key ID: 4AEE18F83AFDEB23
14 changed files with 352 additions and 218 deletions
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1
Cargo.lock generated
View File

@ -3157,6 +3157,7 @@ dependencies = [
name = "journal"
version = "0.1.0"
dependencies = [
"anyhow",
"chrono",
"dirs 4.0.0",
"editor",

4
crates/client/src/telemetry.rs
View File

@ -224,7 +224,7 @@ impl Telemetry {
.header("Content-Type", "application/json")
.body(json_bytes.into())?;
this.http_client.send(request).await?;
Ok(())
anyhow::Ok(())
}
.log_err(),
)
@ -320,7 +320,7 @@ impl Telemetry {
.header("Content-Type", "application/json")
.body(json_bytes.into())?;
this.http_client.send(request).await?;
Ok(())
anyhow::Ok(())
}
.log_err(),
)

2
crates/collab_ui/src/contact_finder.rs
View File

@ -68,7 +68,7 @@ impl PickerDelegate for ContactFinder {
this.potential_contacts = potential_contacts.into();
cx.notify();
});
Ok(())
anyhow::Ok(())
}
.log_err()
.await;

11
crates/editor/src/hover_popover.rs
View File

@ -1,3 +1,4 @@
use futures::FutureExt;
use gpui::{
actions,
elements::{Flex, MouseEventHandler, Padding, Text},
@ -327,12 +328,10 @@ impl InfoPopover {
MouseEventHandler::<InfoPopover>::new(0, cx, |_, cx| {
let mut flex = Flex::new(Axis::Vertical).scrollable::<HoverBlock, _>(1, None, cx);
flex.extend(self.contents.iter().map(|content| {
let project = self.project.read(cx);
if let Some(language) = content
.language
.clone()
.and_then(|language| project.languages().language_for_name(&language))
{
let languages = self.project.read(cx).languages();
if let Some(language) = content.language.clone().and_then(|language| {
languages.language_for_name(&language).now_or_never()?.ok()
}) {
let runs = language
.highlight_text(&content.text.as_str().into(), 0..content.text.len());

33
crates/feedback/src/feedback_editor.rs
View File

@ -20,6 +20,7 @@ use postage::prelude::Stream;
use project::Project;
use serde::Serialize;
use util::ResultExt;
use workspace::{
item::{Item, ItemHandle},
searchable::{SearchableItem, SearchableItemHandle},
@ -200,24 +201,28 @@ impl FeedbackEditor {
impl FeedbackEditor {
pub fn deploy(
system_specs: SystemSpecs,
workspace: &mut Workspace,
_: &mut Workspace,
app_state: Arc<AppState>,
cx: &mut ViewContext<Workspace>,
) {
workspace
.with_local_workspace(&app_state, cx, |workspace, cx| {
let project = workspace.project().clone();
let markdown_language = project.read(cx).languages().language_for_name("Markdown");
let buffer = project
.update(cx, |project, cx| {
project.create_buffer("", markdown_language, cx)
let markdown = app_state.languages.language_for_name("Markdown");
cx.spawn(|workspace, mut cx| async move {
let markdown = markdown.await.log_err();
workspace
.update(&mut cx, |workspace, cx| {
workspace.with_local_workspace(&app_state, cx, |workspace, cx| {
let project = workspace.project().clone();
let buffer = project
.update(cx, |project, cx| project.create_buffer("", markdown, cx))
.expect("creating buffers on a local workspace always succeeds");
let feedback_editor = cx
.add_view(|cx| FeedbackEditor::new(system_specs, project, buffer, cx));
workspace.add_item(Box::new(feedback_editor), cx);
})
.expect("creating buffers on a local workspace always succeeds");
let feedback_editor =
cx.add_view(|cx| FeedbackEditor::new(system_specs, project, buffer, cx));
workspace.add_item(Box::new(feedback_editor), cx);
})
.detach();
})
.await;
})
.detach();
}
}

1
crates/journal/Cargo.toml
View File

@ -13,6 +13,7 @@ editor = { path = "../editor" }
gpui = { path = "../gpui" }
util = { path = "../util" }
workspace = { path = "../workspace" }
anyhow = "1.0"
chrono = "0.4"
dirs = "4.0"
log = { version = "0.4.16", features = ["kv_unstable_serde"] }

2
crates/journal/src/journal.rs
View File

@ -73,7 +73,7 @@ pub fn new_journal_entry(app_state: Arc<AppState>, cx: &mut MutableAppContext) {
}
}
Ok(())
anyhow::Ok(())
}
.log_err()
})

54
crates/language/src/buffer_tests.rs
View File

@ -80,31 +80,49 @@ fn test_select_language() {
// matching file extension
assert_eq!(
registry.language_for_path("zed/lib.rs").map(|l| l.name()),
registry
.language_for_path("zed/lib.rs")
.now_or_never()
.and_then(|l| Some(l.ok()?.name())),
Some("Rust".into())
);
assert_eq!(
registry.language_for_path("zed/lib.mk").map(|l| l.name()),
registry
.language_for_path("zed/lib.mk")
.now_or_never()
.and_then(|l| Some(l.ok()?.name())),
Some("Make".into())
);
// matching filename
assert_eq!(
registry.language_for_path("zed/Makefile").map(|l| l.name()),
registry
.language_for_path("zed/Makefile")
.now_or_never()
.and_then(|l| Some(l.ok()?.name())),
Some("Make".into())
);
// matching suffix that is not the full file extension or filename
assert_eq!(
registry.language_for_path("zed/cars").map(|l| l.name()),
registry
.language_for_path("zed/cars")
.now_or_never()
.and_then(|l| Some(l.ok()?.name())),
None
);
assert_eq!(
registry.language_for_path("zed/a.cars").map(|l| l.name()),
registry
.language_for_path("zed/a.cars")
.now_or_never()
.and_then(|l| Some(l.ok()?.name())),
None
);
assert_eq!(
registry.language_for_path("zed/sumk").map(|l| l.name()),
registry
.language_for_path("zed/sumk")
.now_or_never()
.and_then(|l| Some(l.ok()?.name())),
None
);
}
@ -666,14 +684,14 @@ fn test_enclosing_bracket_ranges(cx: &mut MutableAppContext) {
indoc! {"
mod x {
moˇd y {
}
}
let foo = 1;"},
vec![indoc! {"
mod x «{»
mod y {
}
«}»
let foo = 1;"}],
@ -683,7 +701,7 @@ fn test_enclosing_bracket_ranges(cx: &mut MutableAppContext) {
indoc! {"
mod x {
mod y ˇ{
}
}
let foo = 1;"},
@ -691,14 +709,14 @@ fn test_enclosing_bracket_ranges(cx: &mut MutableAppContext) {
indoc! {"
mod x «{»
mod y {
}
«}»
let foo = 1;"},
indoc! {"
mod x {
mod y «{»
«}»
}
let foo = 1;"},
@ -709,7 +727,7 @@ fn test_enclosing_bracket_ranges(cx: &mut MutableAppContext) {
indoc! {"
mod x {
mod y {
}ˇ
}
let foo = 1;"},
@ -717,14 +735,14 @@ fn test_enclosing_bracket_ranges(cx: &mut MutableAppContext) {
indoc! {"
mod x «{»
mod y {
}
«}»
let foo = 1;"},
indoc! {"
mod x {
mod y «{»
«}»
}
let foo = 1;"},
@ -735,14 +753,14 @@ fn test_enclosing_bracket_ranges(cx: &mut MutableAppContext) {
indoc! {"
mod x {
mod y {
}
ˇ}
let foo = 1;"},
vec![indoc! {"
mod x «{»
mod y {
}
«}»
let foo = 1;"}],
@ -752,7 +770,7 @@ fn test_enclosing_bracket_ranges(cx: &mut MutableAppContext) {
indoc! {"
mod x {
mod y {
}
}
let fˇoo = 1;"},
@ -764,7 +782,7 @@ fn test_enclosing_bracket_ranges(cx: &mut MutableAppContext) {
indoc! {"
mod x {
mod y {
}
}
let foo = 1;ˇ"},

51
crates/language/src/language.rs
View File

@ -13,8 +13,9 @@ use async_trait::async_trait;
use client::http::HttpClient;
use collections::HashMap;
use futures::{
channel::oneshot,
future::{BoxFuture, Shared},
FutureExt, TryFutureExt,
FutureExt, TryFutureExt as _,
};
use gpui::{executor::Background, MutableAppContext, Task};
use highlight_map::HighlightMap;
@ -43,7 +44,7 @@ use syntax_map::SyntaxSnapshot;
use theme::{SyntaxTheme, Theme};
use tree_sitter::{self, Query};
use unicase::UniCase;
use util::ResultExt;
use util::{ResultExt, TryFutureExt as _, UnwrapFuture};
#[cfg(any(test, feature = "test-support"))]
use futures::channel::mpsc;
@ -484,7 +485,7 @@ impl LanguageRegistry {
let (lsp_binary_statuses_tx, lsp_binary_statuses_rx) = async_broadcast::broadcast(16);
Self {
language_server_download_dir: None,
languages: Default::default(),
languages: RwLock::new(vec![PLAIN_TEXT.clone()]),
available_languages: Default::default(),
lsp_binary_statuses_tx,
lsp_binary_statuses_rx,
@ -568,12 +569,18 @@ impl LanguageRegistry {
self.language_server_download_dir = Some(path.into());
}
pub fn language_for_name(self: &Arc<Self>, name: &str) -> Option<Arc<Language>> {
pub fn language_for_name(
self: &Arc<Self>,
name: &str,
) -> UnwrapFuture<oneshot::Receiver<Result<Arc<Language>>>> {
let name = UniCase::new(name);
self.get_or_load_language(|config| UniCase::new(config.name.as_ref()) == name)
}
pub fn language_for_name_or_extension(self: &Arc<Self>, string: &str) -> Option<Arc<Language>> {
pub fn language_for_name_or_extension(
self: &Arc<Self>,
string: &str,
) -> UnwrapFuture<oneshot::Receiver<Result<Arc<Language>>>> {
let string = UniCase::new(string);
self.get_or_load_language(|config| {
UniCase::new(config.name.as_ref()) == string
@ -584,7 +591,10 @@ impl LanguageRegistry {
})
}
pub fn language_for_path(self: &Arc<Self>, path: impl AsRef<Path>) -> Option<Arc<Language>> {
pub fn language_for_path(
self: &Arc<Self>,
path: impl AsRef<Path>,
) -> UnwrapFuture<oneshot::Receiver<Result<Arc<Language>>>> {
let path = path.as_ref();
let filename = path.file_name().and_then(|name| name.to_str());
let extension = path.extension().and_then(|name| name.to_str());
@ -600,17 +610,17 @@ impl LanguageRegistry {
fn get_or_load_language(
self: &Arc<Self>,
callback: impl Fn(&LanguageConfig) -> bool,
) -> Option<Arc<Language>> {
) -> UnwrapFuture<oneshot::Receiver<Result<Arc<Language>>>> {
let (tx, rx) = oneshot::channel();
if let Some(language) = self
.languages
.read()
.iter()
.find(|language| callback(&language.config))
{
return Some(language.clone());
}
if let Some(executor) = self.executor.clone() {
let _ = tx.send(Ok(language.clone()));
} else if let Some(executor) = self.executor.clone() {
let mut available_languages = self.available_languages.write();
if let Some(ix) = available_languages.iter().position(|l| callback(&l.config)) {
@ -625,18 +635,29 @@ impl LanguageRegistry {
.with_lsp_adapter(language.lsp_adapter)
.await;
match language.with_queries(queries) {
Ok(language) => this.add(Arc::new(language)),
Ok(language) => {
let language = Arc::new(language);
this.add(language.clone());
let _ = tx.send(Ok(language));
}
Err(err) => {
log::error!("failed to load language {}: {}", name, err);
return;
let _ = tx.send(Err(anyhow!(
"failed to load language {}: {}",
name,
err
)));
}
};
})
.detach();
} else {
let _ = tx.send(Err(anyhow!("language not found")));
}
} else {
let _ = tx.send(Err(anyhow!("executor does not exist")));
}
None
rx.unwrap()
}
pub fn to_vec(&self) -> Vec<Arc<Language>> {

30
crates/language/src/syntax_map.rs
View File

@ -1,5 +1,6 @@
use crate::{Grammar, InjectionConfig, Language, LanguageRegistry};
use collections::HashMap;
use futures::FutureExt;
use lazy_static::lazy_static;
use parking_lot::Mutex;
use std::{
@ -382,11 +383,11 @@ impl SyntaxSnapshot {
cursor.next(text);
while let Some(layer) = cursor.item() {
let SyntaxLayerContent::Pending { language_name } = &layer.content else { unreachable!() };
if {
let language_registry = &registry;
language_registry.language_for_name_or_extension(language_name)
}
.is_some()
if registry
.language_for_name_or_extension(language_name)
.now_or_never()
.and_then(|language| language.ok())
.is_some()
{
resolved_injection_ranges.push(layer.range.to_offset(text));
}
@ -1116,7 +1117,10 @@ fn get_injections(
combined_injection_ranges.clear();
for pattern in &config.patterns {
if let (Some(language_name), true) = (pattern.language.as_ref(), pattern.combined) {
if let Some(language) = language_registry.language_for_name_or_extension(language_name)
if let Some(language) = language_registry
.language_for_name_or_extension(language_name)
.now_or_never()
.and_then(|language| language.ok())
{
combined_injection_ranges.insert(language, Vec::new());
}
@ -1162,10 +1166,10 @@ fn get_injections(
};
if let Some(language_name) = language_name {
let language = {
let language_name: &str = &language_name;
language_registry.language_for_name_or_extension(language_name)
};
let language = language_registry
.language_for_name_or_extension(&language_name)
.now_or_never()
.and_then(|language| language.ok());
let range = text.anchor_before(step_range.start)..text.anchor_after(step_range.end);
if let Some(language) = language {
if combined {
@ -2522,7 +2526,11 @@ mod tests {
registry.add(Arc::new(html_lang()));
registry.add(Arc::new(erb_lang()));
registry.add(Arc::new(markdown_lang()));
let language = registry.language_for_name(language_name).unwrap();
let language = registry
.language_for_name(language_name)
.now_or_never()
.unwrap()
.unwrap();
let mut buffer = Buffer::new(0, 0, Default::default());
let mut mutated_syntax_map = SyntaxMap::new();

191
crates/lsp/src/lsp.rs
View File

@ -160,15 +160,13 @@ impl LanguageServer {
server: Option<Child>,
root_path: &Path,
cx: AsyncAppContext,
mut on_unhandled_notification: F,
on_unhandled_notification: F,
) -> Self
where
Stdin: AsyncWrite + Unpin + Send + 'static,
Stdout: AsyncRead + Unpin + Send + 'static,
F: FnMut(AnyNotification) + 'static + Send,
{
let mut stdin = BufWriter::new(stdin);
let mut stdout = BufReader::new(stdout);
let (outbound_tx, outbound_rx) = channel::unbounded::<Vec<u8>>();
let notification_handlers =
Arc::new(Mutex::new(HashMap::<_, NotificationHandler>::default()));
@ -177,89 +175,19 @@ impl LanguageServer {
let input_task = cx.spawn(|cx| {
let notification_handlers = notification_handlers.clone();
let response_handlers = response_handlers.clone();
async move {
let _clear_response_handlers = util::defer({
let response_handlers = response_handlers.clone();
move || {
response_handlers.lock().take();
}
});
let mut buffer = Vec::new();
loop {
buffer.clear();
stdout.read_until(b'\n', &mut buffer).await?;
stdout.read_until(b'\n', &mut buffer).await?;
let message_len: usize = std::str::from_utf8(&buffer)?
.strip_prefix(CONTENT_LEN_HEADER)
.ok_or_else(|| anyhow!("invalid header"))?
.trim_end()
.parse()?;
buffer.resize(message_len, 0);
stdout.read_exact(&mut buffer).await?;
log::trace!("incoming message:{}", String::from_utf8_lossy(&buffer));
if let Ok(msg) = serde_json::from_slice::<AnyNotification>(&buffer) {
if let Some(handler) = notification_handlers.lock().get_mut(msg.method) {
handler(msg.id, msg.params.get(), cx.clone());
} else {
on_unhandled_notification(msg);
}
} else if let Ok(AnyResponse {
id, error, result, ..
}) = serde_json::from_slice(&buffer)
{
if let Some(handler) = response_handlers
.lock()
.as_mut()
.and_then(|handlers| handlers.remove(&id))
{
if let Some(error) = error {
handler(Err(error));
} else if let Some(result) = result {
handler(Ok(result.get()));
} else {
handler(Ok("null"));
}
}
} else {
warn!(
"Failed to deserialize message:\n{}",
std::str::from_utf8(&buffer)?
);
}
// Don't starve the main thread when receiving lots of messages at once.
smol::future::yield_now().await;
}
}
Self::handle_input(
stdout,
on_unhandled_notification,
notification_handlers,
response_handlers,
cx,
)
.log_err()
});
let (output_done_tx, output_done_rx) = barrier::channel();
let output_task = cx.background().spawn({
let response_handlers = response_handlers.clone();
async move {
let _clear_response_handlers = util::defer({
let response_handlers = response_handlers.clone();
move || {
response_handlers.lock().take();
}
});
let mut content_len_buffer = Vec::new();
while let Ok(message) = outbound_rx.recv().await {
log::trace!("outgoing message:{}", String::from_utf8_lossy(&message));
content_len_buffer.clear();
write!(content_len_buffer, "{}", message.len()).unwrap();
stdin.write_all(CONTENT_LEN_HEADER.as_bytes()).await?;
stdin.write_all(&content_len_buffer).await?;
stdin.write_all("\r\n\r\n".as_bytes()).await?;
stdin.write_all(&message).await?;
stdin.flush().await?;
}
drop(output_done_tx);
Ok(())
}
.log_err()
Self::handle_output(stdin, outbound_rx, output_done_tx, response_handlers).log_err()
});
Self {
@ -278,6 +206,105 @@ impl LanguageServer {
}
}
async fn handle_input<Stdout, F>(
stdout: Stdout,
mut on_unhandled_notification: F,
notification_handlers: Arc<Mutex<HashMap<&'static str, NotificationHandler>>>,
response_handlers: Arc<Mutex<Option<HashMap<usize, ResponseHandler>>>>,
cx: AsyncAppContext,
) -> anyhow::Result<()>
where
Stdout: AsyncRead + Unpin + Send + 'static,
F: FnMut(AnyNotification) + 'static + Send,
{
let mut stdout = BufReader::new(stdout);
let _clear_response_handlers = util::defer({
let response_handlers = response_handlers.clone();
move || {
response_handlers.lock().take();
}
});
let mut buffer = Vec::new();
loop {
buffer.clear();
stdout.read_until(b'\n', &mut buffer).await?;
stdout.read_until(b'\n', &mut buffer).await?;
let message_len: usize = std::str::from_utf8(&buffer)?
.strip_prefix(CONTENT_LEN_HEADER)
.ok_or_else(|| anyhow!("invalid header"))?
.trim_end()
.parse()?;
buffer.resize(message_len, 0);
stdout.read_exact(&mut buffer).await?;
log::trace!("incoming message:{}", String::from_utf8_lossy(&buffer));
if let Ok(msg) = serde_json::from_slice::<AnyNotification>(&buffer) {
if let Some(handler) = notification_handlers.lock().get_mut(msg.method) {
handler(msg.id, msg.params.get(), cx.clone());
} else {
on_unhandled_notification(msg);
}
} else if let Ok(AnyResponse {
id, error, result, ..
}) = serde_json::from_slice(&buffer)
{
if let Some(handler) = response_handlers
.lock()
.as_mut()
.and_then(|handlers| handlers.remove(&id))
{
if let Some(error) = error {
handler(Err(error));
} else if let Some(result) = result {
handler(Ok(result.get()));
} else {
handler(Ok("null"));
}
}
} else {
warn!(
"Failed to deserialize message:\n{}",
std::str::from_utf8(&buffer)?
);
}
// Don't starve the main thread when receiving lots of messages at once.
smol::future::yield_now().await;
}
}
async fn handle_output<Stdin>(
stdin: Stdin,
outbound_rx: channel::Receiver<Vec<u8>>,
output_done_tx: barrier::Sender,
response_handlers: Arc<Mutex<Option<HashMap<usize, ResponseHandler>>>>,
) -> anyhow::Result<()>
where
Stdin: AsyncWrite + Unpin + Send + 'static,
{
let mut stdin = BufWriter::new(stdin);
let _clear_response_handlers = util::defer({
let response_handlers = response_handlers.clone();
move || {
response_handlers.lock().take();
}
});
let mut content_len_buffer = Vec::new();
while let Ok(message) = outbound_rx.recv().await {
log::trace!("outgoing message:{}", String::from_utf8_lossy(&message));
content_len_buffer.clear();
write!(content_len_buffer, "{}", message.len()).unwrap();
stdin.write_all(CONTENT_LEN_HEADER.as_bytes()).await?;
stdin.write_all(&content_len_buffer).await?;
stdin.write_all("\r\n\r\n".as_bytes()).await?;
stdin.write_all(&message).await?;
stdin.flush().await?;
}
drop(output_done_tx);
Ok(())
}
/// Initializes a language server.
/// Note that `options` is used directly to construct [`InitializeParams`],
/// which is why it is owned.
@ -389,7 +416,7 @@ impl LanguageServer {
output_done.recv().await;
log::debug!("language server shutdown finished");
drop(tasks);
Ok(())
anyhow::Ok(())
}
.log_err(),
)

24
crates/project/src/project.rs
View File

@ -1838,7 +1838,11 @@ impl Project {
) -> Option<()> {
// If the buffer has a language, set it and start the language server if we haven't already.
let full_path = buffer.read(cx).file()?.full_path(cx);
let new_language = self.languages.language_for_path(&full_path)?;
let new_language = self
.languages
.language_for_path(&full_path)
.now_or_never()?
.ok()?;
buffer.update(cx, |buffer, cx| {
if buffer.language().map_or(true, |old_language| {
!Arc::ptr_eq(old_language, &new_language)
@ -2248,8 +2252,14 @@ impl Project {
})
.collect();
for (worktree_id, worktree_abs_path, full_path) in language_server_lookup_info {
let language = self.languages.language_for_path(&full_path)?;
self.restart_language_server(worktree_id, worktree_abs_path, language, cx);
if let Some(language) = self
.languages
.language_for_path(&full_path)
.now_or_never()
.and_then(|language| language.ok())
{
self.restart_language_server(worktree_id, worktree_abs_path, language, cx);
}
}
None
@ -3278,12 +3288,14 @@ impl Project {
path: path.into(),
};
let signature = this.symbol_signature(&project_path);
let adapter_language = adapter_language.clone();
let language = this
.languages
.language_for_path(&project_path.path)
.unwrap_or(adapter_language.clone());
.unwrap_or_else(move |_| adapter_language);
let language_server_name = adapter.name.clone();
Some(async move {
let language = language.await;
let label = language
.label_for_symbol(&lsp_symbol.name, lsp_symbol.kind)
.await;
@ -5831,7 +5843,7 @@ impl Project {
})?;
}
Ok(())
anyhow::Ok(())
}
.log_err(),
)
@ -6060,7 +6072,7 @@ impl Project {
worktree_id,
path: PathBuf::from(serialized_symbol.path).into(),
};
let language = languages.language_for_path(&path.path);
let language = languages.language_for_path(&path.path).await.log_err();
Ok(Symbol {
language_server_name: LanguageServerName(
serialized_symbol.language_server_name.into(),

40
crates/util/src/util.rs
View File

@ -124,11 +124,15 @@ pub trait TryFutureExt {
fn warn_on_err(self) -> LogErrorFuture<Self>
where
Self: Sized;
fn unwrap(self) -> UnwrapFuture<Self>
where
Self: Sized;
}
impl<F, T> TryFutureExt for F
impl<F, T, E> TryFutureExt for F
where
F: Future<Output = anyhow::Result<T>>,
F: Future<Output = Result<T, E>>,
E: std::fmt::Debug,
{
fn log_err(self) -> LogErrorFuture<Self>
where
@ -143,17 +147,25 @@ where
{
LogErrorFuture(self, log::Level::Warn)
}
fn unwrap(self) -> UnwrapFuture<Self>
where
Self: Sized,
{
UnwrapFuture(self)
}
}
pub struct LogErrorFuture<F>(F, log::Level);
impl<F, T> Future for LogErrorFuture<F>
impl<F, T, E> Future for LogErrorFuture<F>
where
F: Future<Output = anyhow::Result<T>>,
F: Future<Output = Result<T, E>>,
E: std::fmt::Debug,
{
type Output = Option<T>;
fn poll(self: std::pin::Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
let level = self.1;
let inner = unsafe { Pin::new_unchecked(&mut self.get_unchecked_mut().0) };
match inner.poll(cx) {
@ -169,6 +181,24 @@ where
}
}
pub struct UnwrapFuture<F>(F);
impl<F, T, E> Future for UnwrapFuture<F>
where
F: Future<Output = Result<T, E>>,
E: std::fmt::Debug,
{
type Output = T;
fn poll(self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
let inner = unsafe { Pin::new_unchecked(&mut self.get_unchecked_mut().0) };
match inner.poll(cx) {
Poll::Ready(result) => Poll::Ready(result.unwrap()),
Poll::Pending => Poll::Pending,
}
}
}
struct Defer<F: FnOnce()>(Option<F>);
impl<F: FnOnce()> Drop for Defer<F> {

126
crates/zed/src/zed.rs
View File

@ -167,9 +167,8 @@ pub fn init(app_state: &Arc<AppState>, cx: &mut gpui::MutableAppContext) {
});
cx.add_action({
let app_state = app_state.clone();
move |workspace: &mut Workspace, _: &OpenLicenses, cx: &mut ViewContext<Workspace>| {
move |_: &mut Workspace, _: &OpenLicenses, cx: &mut ViewContext<Workspace>| {
open_bundled_file(
workspace,
app_state.clone(),
"licenses.md",
"Open Source License Attribution",
@ -192,9 +191,8 @@ pub fn init(app_state: &Arc<AppState>, cx: &mut gpui::MutableAppContext) {
});
cx.add_action({
let app_state = app_state.clone();
move |workspace: &mut Workspace, _: &OpenDefaultKeymap, cx: &mut ViewContext<Workspace>| {
move |_: &mut Workspace, _: &OpenDefaultKeymap, cx: &mut ViewContext<Workspace>| {
open_bundled_file(
workspace,
app_state.clone(),
"keymaps/default.json",
"Default Key Bindings",
@ -205,11 +203,8 @@ pub fn init(app_state: &Arc<AppState>, cx: &mut gpui::MutableAppContext) {
});
cx.add_action({
let app_state = app_state.clone();
move |workspace: &mut Workspace,
_: &OpenDefaultSettings,
cx: &mut ViewContext<Workspace>| {
move |_: &mut Workspace, _: &OpenDefaultSettings, cx: &mut ViewContext<Workspace>| {
open_bundled_file(
workspace,
app_state.clone(),
"settings/default.json",
"Default Settings",
@ -218,32 +213,41 @@ pub fn init(app_state: &Arc<AppState>, cx: &mut gpui::MutableAppContext) {
);
}
});
cx.add_action(
|workspace: &mut Workspace, _: &DebugElements, cx: &mut ViewContext<Workspace>| {
cx.add_action({
let app_state = app_state.clone();
move |_: &mut Workspace, _: &DebugElements, cx: &mut ViewContext<Workspace>| {
let app_state = app_state.clone();
let markdown = app_state.languages.language_for_name("JSON");
let content = to_string_pretty(&cx.debug_elements()).unwrap();
let project = workspace.project().clone();
let json_language = project
.read(cx)
.languages()
.language_for_name("JSON")
.unwrap();
if project.read(cx).is_remote() {
cx.propagate_action();
} else if let Some(buffer) = project
.update(cx, |project, cx| {
project.create_buffer(&content, Some(json_language), cx)
})
.log_err()
{
workspace.add_item(
Box::new(
cx.add_view(|cx| Editor::for_buffer(buffer, Some(project.clone()), cx)),
),
cx,
);
}
},
);
cx.spawn(|workspace, mut cx| async move {
let markdown = markdown.await.log_err();
workspace
.update(&mut cx, |workspace, cx| {
workspace.with_local_workspace(&app_state, cx, move |workspace, cx| {
let project = workspace.project().clone();
let buffer = project
.update(cx, |project, cx| {
project.create_buffer(&content, markdown, cx)
})
.expect("creating buffers on a local workspace always succeeds");
let buffer = cx.add_model(|cx| {
MultiBuffer::singleton(buffer, cx)
.with_title("Debug Elements".into())
});
workspace.add_item(
Box::new(cx.add_view(|cx| {
Editor::for_multibuffer(buffer, Some(project.clone()), cx)
})),
cx,
);
})
})
.await;
})
.detach();
}
});
cx.add_action(
|workspace: &mut Workspace,
_: &project_panel::ToggleFocus,
@ -628,6 +632,7 @@ fn open_telemetry_log_file(
start_offset += newline_offset + 1;
}
let log_suffix = &log[start_offset..];
let json = app_state.languages.language_for_name("JSON").await.log_err();
workspace.update(&mut cx, |workspace, cx| {
let project = workspace.project().clone();
@ -635,7 +640,7 @@ fn open_telemetry_log_file(
.update(cx, |project, cx| project.create_buffer("", None, cx))
.expect("creating buffers on a local workspace always succeeds");
buffer.update(cx, |buffer, cx| {
buffer.set_language(app_state.languages.language_for_name("JSON"), cx);
buffer.set_language(json, cx);
buffer.edit(
[(
0..0,
@ -668,35 +673,42 @@ fn open_telemetry_log_file(
}
fn open_bundled_file(
workspace: &mut Workspace,
app_state: Arc<AppState>,
asset_path: &'static str,
title: &'static str,
language: &'static str,
cx: &mut ViewContext<Workspace>,
) {
workspace
.with_local_workspace(&app_state, cx, |workspace, cx| {
let project = workspace.project().clone();
let buffer = project.update(cx, |project, cx| {
let text = Assets::get(asset_path)
.map(|f| f.data)
.unwrap_or_else(|| Cow::Borrowed(b"File not found"));
let text = str::from_utf8(text.as_ref()).unwrap();
project
.create_buffer(text, project.languages().language_for_name(language), cx)
.expect("creating buffers on a local workspace always succeeds")
});
let buffer =
cx.add_model(|cx| MultiBuffer::singleton(buffer, cx).with_title(title.into()));
workspace.add_item(
Box::new(
cx.add_view(|cx| Editor::for_multibuffer(buffer, Some(project.clone()), cx)),
),
cx,
);
})
.detach();
let language = app_state.languages.language_for_name(language);
cx.spawn(|workspace, mut cx| async move {
let language = language.await.log_err();
workspace
.update(&mut cx, |workspace, cx| {
workspace.with_local_workspace(&app_state, cx, |workspace, cx| {
let project = workspace.project();
let buffer = project.update(cx, |project, cx| {
let text = Assets::get(asset_path)
.map(|f| f.data)
.unwrap_or_else(|| Cow::Borrowed(b"File not found"));
let text = str::from_utf8(text.as_ref()).unwrap();
project
.create_buffer(text, language, cx)
.expect("creating buffers on a local workspace always succeeds")
});
let buffer = cx.add_model(|cx| {
MultiBuffer::singleton(buffer, cx).with_title(title.into())
});
workspace.add_item(
Box::new(cx.add_view(|cx| {
Editor::for_multibuffer(buffer, Some(project.clone()), cx)
})),
cx,
);
})
})
.await;
})
.detach();
}
fn schema_file_match(path: &Path) -> &Path {