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Merge pull request #2267 from dead10ck/fix-write-fail

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Write path fixes
pull/1/head
Blaž Hrastnik 2 years ago committed by GitHub
parent 8c9bb23650 756253b43f
commit 78c0cdc519
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GPG Key ID: 4AEE18F83AFDEB23
23 changed files with 995 additions and 298 deletions
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3
docs/CONTRIBUTING.md
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@ -35,7 +35,8 @@ to `cargo install` anything either).
Integration tests for helix-term can be run with `cargo integration-test`. Code
contributors are strongly encouraged to write integration tests for their code.
Existing tests can be used as examples. Helpers can be found in
[helpers.rs][helpers.rs]
[helpers.rs][helpers.rs]. The log level can be set with the `HELIX_LOG_LEVEL`
environment variable, e.g. `HELIX_LOG_LEVEL=debug cargo integration-test`.
## Minimum Stable Rust Version (MSRV) Policy

1
helix-core/src/auto_pairs.rs
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@ -7,7 +7,6 @@ use std::collections::HashMap;
use smallvec::SmallVec;
// Heavily based on https://github.com/codemirror/closebrackets/
pub const DEFAULT_PAIRS: &[(char, char)] = &[
('(', ')'),
('{', '}'),

6
helix-core/src/syntax.rs
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@ -61,6 +61,12 @@ pub struct Configuration {
pub language: Vec<LanguageConfiguration>,
}
impl Default for Configuration {
fn default() -> Self {
crate::config::default_syntax_loader()
}
}
// largely based on tree-sitter/cli/src/loader.rs
#[derive(Debug, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case", deny_unknown_fields)]

208
helix-term/src/application.rs
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@ -1,12 +1,19 @@
use arc_swap::{access::Map, ArcSwap};
use futures_util::Stream;
use helix_core::{
config::{default_syntax_loader, user_syntax_loader},
diagnostic::{DiagnosticTag, NumberOrString},
path::get_relative_path,
pos_at_coords, syntax, Selection,
};
use helix_lsp::{lsp, util::lsp_pos_to_pos, LspProgressMap};
use helix_view::{align_view, editor::ConfigEvent, theme, tree::Layout, Align, Editor};
use helix_view::{
align_view,
document::DocumentSavedEventResult,
editor::{ConfigEvent, EditorEvent},
theme,
tree::Layout,
Align, Editor,
};
use serde_json::json;
use crate::{
@ -19,7 +26,7 @@ use crate::{
ui::{self, overlay::overlayed},
};
use log::{error, warn};
use log::{debug, error, warn};
use std::{
io::{stdin, stdout, Write},
sync::Arc,
@ -102,7 +109,11 @@ fn restore_term() -> Result<(), Error> {
}
impl Application {
pub fn new(args: Args, config: Config) -> Result<Self, Error> {
pub fn new(
args: Args,
config: Config,
syn_loader_conf: syntax::Configuration,
) -> Result<Self, Error> {
#[cfg(feature = "integration")]
setup_integration_logging();
@ -129,14 +140,6 @@ impl Application {
})
.unwrap_or_else(|| theme_loader.default_theme(true_color));
let syn_loader_conf = user_syntax_loader().unwrap_or_else(|err| {
eprintln!("Bad language config: {}", err);
eprintln!("Press <ENTER> to continue with default language config");
use std::io::Read;
// This waits for an enter press.
let _ = std::io::stdin().read(&mut []);
default_syntax_loader()
});
let syn_loader = std::sync::Arc::new(syntax::Loader::new(syn_loader_conf));
let mut compositor = Compositor::new().context("build compositor")?;
@ -245,6 +248,10 @@ impl Application {
Ok(app)
}
#[cfg(feature = "integration")]
fn render(&mut self) {}
#[cfg(not(feature = "integration"))]
fn render(&mut self) {
let compositor = &mut self.compositor;
@ -275,9 +282,6 @@ impl Application {
where
S: Stream<Item = crossterm::Result<crossterm::event::Event>> + Unpin,
{
#[cfg(feature = "integration")]
let mut idle_handled = false;
loop {
if self.editor.should_close() {
return false;
@ -294,26 +298,6 @@ impl Application {
Some(signal) = self.signals.next() => {
self.handle_signals(signal).await;
}
Some((id, call)) = self.editor.language_servers.incoming.next() => {
self.handle_language_server_message(call, id).await;
// limit render calls for fast language server messages
let last = self.editor.language_servers.incoming.is_empty();
if last || self.last_render.elapsed() > LSP_DEADLINE {
self.render();
self.last_render = Instant::now();
}
}
Some(payload) = self.editor.debugger_events.next() => {
let needs_render = self.editor.handle_debugger_message(payload).await;
if needs_render {
self.render();
}
}
Some(config_event) = self.editor.config_events.1.recv() => {
self.handle_config_events(config_event);
self.render();
}
Some(callback) = self.jobs.futures.next() => {
self.jobs.handle_callback(&mut self.editor, &mut self.compositor, callback);
self.render();
@ -322,26 +306,22 @@ impl Application {
self.jobs.handle_callback(&mut self.editor, &mut self.compositor, callback);
self.render();
}
_ = &mut self.editor.idle_timer => {
// idle timeout
self.editor.clear_idle_timer();
self.handle_idle_timeout();
event = self.editor.wait_event() => {
let _idle_handled = self.handle_editor_event(event).await;
#[cfg(feature = "integration")]
{
idle_handled = true;
if _idle_handled {
return true;
}
}
}
}
// for integration tests only, reset the idle timer after every
// event to make a signal when test events are done processing
// event to signal when test events are done processing
#[cfg(feature = "integration")]
{
if idle_handled {
return true;
}
self.editor.reset_idle_timer();
}
}
@ -446,6 +426,111 @@ impl Application {
}
}
pub fn handle_document_write(&mut self, doc_save_event: DocumentSavedEventResult) {
let doc_save_event = match doc_save_event {
Ok(event) => event,
Err(err) => {
self.editor.set_error(err.to_string());
return;
}
};
let doc = match self.editor.document_mut(doc_save_event.doc_id) {
None => {
warn!(
"received document saved event for non-existent doc id: {}",
doc_save_event.doc_id
);
return;
}
Some(doc) => doc,
};
debug!(
"document {:?} saved with revision {}",
doc.path(),
doc_save_event.revision
);
doc.set_last_saved_revision(doc_save_event.revision);
let lines = doc_save_event.text.len_lines();
let bytes = doc_save_event.text.len_bytes();
if doc.path() != Some(&doc_save_event.path) {
if let Err(err) = doc.set_path(Some(&doc_save_event.path)) {
log::error!(
"error setting path for doc '{:?}': {}",
doc.path(),
err.to_string(),
);
self.editor.set_error(err.to_string());
return;
}
let loader = self.editor.syn_loader.clone();
// borrowing the same doc again to get around the borrow checker
let doc = doc_mut!(self.editor, &doc_save_event.doc_id);
let id = doc.id();
doc.detect_language(loader);
let _ = self.editor.refresh_language_server(id);
}
// TODO: fix being overwritten by lsp
self.editor.set_status(format!(
"'{}' written, {}L {}B",
get_relative_path(&doc_save_event.path).to_string_lossy(),
lines,
bytes
));
}
#[inline(always)]
pub async fn handle_editor_event(&mut self, event: EditorEvent) -> bool {
log::debug!("received editor event: {:?}", event);
match event {
EditorEvent::DocumentSaved(event) => {
self.handle_document_write(event);
self.render();
}
EditorEvent::ConfigEvent(event) => {
self.handle_config_events(event);
self.render();
}
EditorEvent::LanguageServerMessage((id, call)) => {
self.handle_language_server_message(call, id).await;
// limit render calls for fast language server messages
let last = self.editor.language_servers.incoming.is_empty();
if last || self.last_render.elapsed() > LSP_DEADLINE {
self.render();
self.last_render = Instant::now();
}
}
EditorEvent::DebuggerEvent(payload) => {
let needs_render = self.editor.handle_debugger_message(payload).await;
if needs_render {
self.render();
}
}
EditorEvent::IdleTimer => {
self.editor.clear_idle_timer();
self.handle_idle_timeout();
#[cfg(feature = "integration")]
{
return true;
}
}
}
false
}
pub fn handle_terminal_events(&mut self, event: Result<CrosstermEvent, crossterm::ErrorKind>) {
let mut cx = crate::compositor::Context {
editor: &mut self.editor,
@ -866,11 +951,10 @@ impl Application {
self.event_loop(input_stream).await;
let err = self.close().await.err();
let close_errs = self.close().await;
restore_term()?;
if let Some(err) = err {
for err in close_errs {
self.editor.exit_code = 1;
eprintln!("Error: {}", err);
}
@ -878,13 +962,33 @@ impl Application {
Ok(self.editor.exit_code)
}
pub async fn close(&mut self) -> anyhow::Result<()> {
self.jobs.finish().await?;
pub async fn close(&mut self) -> Vec<anyhow::Error> {
// [NOTE] we intentionally do not return early for errors because we
// want to try to run as much cleanup as we can, regardless of
// errors along the way
let mut errs = Vec::new();
if let Err(err) = self
.jobs
.finish(&mut self.editor, Some(&mut self.compositor))
.await
{
log::error!("Error executing job: {}", err);
errs.push(err);
};
if let Err(err) = self.editor.flush_writes().await {
log::error!("Error writing: {}", err);
errs.push(err);
}
if self.editor.close_language_servers(None).await.is_err() {
log::error!("Timed out waiting for language servers to shutdown");
};
errs.push(anyhow::format_err!(
"Timed out waiting for language servers to shutdown"
));
}
Ok(())
errs
}
}

63
helix-term/src/commands.rs
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@ -47,12 +47,13 @@ use movement::Movement;
use crate::{
args,
compositor::{self, Component, Compositor},
job::Callback,
keymap::ReverseKeymap,
ui::{self, overlay::overlayed, FilePicker, Picker, Popup, Prompt, PromptEvent},
};
use crate::job::{self, Job, Jobs};
use futures_util::{FutureExt, StreamExt};
use crate::job::{self, Jobs};
use futures_util::StreamExt;
use std::{collections::HashMap, fmt, future::Future};
use std::{collections::HashSet, num::NonZeroUsize};
@ -107,10 +108,11 @@ impl<'a> Context<'a> {
let callback = Box::pin(async move {
let json = call.await?;
let response = serde_json::from_value(json)?;
let call: job::Callback =
Box::new(move |editor: &mut Editor, compositor: &mut Compositor| {
let call: job::Callback = Callback::EditorCompositor(Box::new(
move |editor: &mut Editor, compositor: &mut Compositor| {
callback(editor, compositor, response)
});
},
));
Ok(call)
});
self.jobs.callback(callback);
@ -1925,8 +1927,8 @@ fn global_search(cx: &mut Context) {
let show_picker = async move {
let all_matches: Vec<FileResult> =
UnboundedReceiverStream::new(all_matches_rx).collect().await;
let call: job::Callback =
Box::new(move |editor: &mut Editor, compositor: &mut Compositor| {
let call: job::Callback = Callback::EditorCompositor(Box::new(
move |editor: &mut Editor, compositor: &mut Compositor| {
if all_matches.is_empty() {
editor.set_status("No matches found");
return;
@ -1962,7 +1964,8 @@ fn global_search(cx: &mut Context) {
},
);
compositor.push(Box::new(overlayed(picker)));
});
},
));
Ok(call)
};
cx.jobs.callback(show_picker);
@ -2504,13 +2507,6 @@ fn insert_at_line_end(cx: &mut Context) {
doc.set_selection(view.id, selection);
}
/// Sometimes when applying formatting changes we want to mark the buffer as unmodified, for
/// example because we just applied the same changes while saving.
enum Modified {
SetUnmodified,
LeaveModified,
}
// Creates an LspCallback that waits for formatting changes to be computed. When they're done,
// it applies them, but only if the doc hasn't changed.
//
@ -2519,11 +2515,12 @@ enum Modified {
async fn make_format_callback(
doc_id: DocumentId,
doc_version: i32,
modified: Modified,
format: impl Future<Output = Result<Transaction, FormatterError>> + Send + 'static,
write: Option<(Option<PathBuf>, bool)>,
) -> anyhow::Result<job::Callback> {
let format = format.await?;
let call: job::Callback = Box::new(move |editor, _compositor| {
let format = format.await;
let call: job::Callback = Callback::Editor(Box::new(move |editor| {
if !editor.documents.contains_key(&doc_id) {
return;
}
@ -2531,22 +2528,30 @@ async fn make_format_callback(
let scrolloff = editor.config().scrolloff;
let doc = doc_mut!(editor, &doc_id);
let view = view_mut!(editor);
if doc.version() == doc_version {
apply_transaction(&format, doc, view);
doc.append_changes_to_history(view.id);
doc.detect_indent_and_line_ending();
view.ensure_cursor_in_view(doc, scrolloff);
if let Modified::SetUnmodified = modified {
doc.reset_modified();
if let Ok(format) = format {
if doc.version() == doc_version {
apply_transaction(&format, doc, view);
doc.append_changes_to_history(view.id);
doc.detect_indent_and_line_ending();
view.ensure_cursor_in_view(doc, scrolloff);
} else {
log::info!("discarded formatting changes because the document changed");
}
} else {
log::info!("discarded formatting changes because the document changed");
}
});
if let Some((path, force)) = write {
let id = doc.id();
if let Err(err) = editor.save(id, path, force) {
editor.set_error(format!("Error saving: {}", err));
}
}
}));
Ok(call)
}
#[derive(PartialEq)]
#[derive(PartialEq, Eq)]
pub enum Open {
Below,
Above,

35
helix-term/src/commands/dap.rs
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@ -118,11 +118,14 @@ fn dap_callback<T, F>(
let callback = Box::pin(async move {
let json = call.await?;
let response = serde_json::from_value(json)?;
let call: Callback = Box::new(move |editor: &mut Editor, compositor: &mut Compositor| {
callback(editor, compositor, response)
});
let call: Callback = Callback::EditorCompositor(Box::new(
move |editor: &mut Editor, compositor: &mut Compositor| {
callback(editor, compositor, response)
},
));
Ok(call)
});
jobs.callback(callback);
}
@ -274,10 +277,11 @@ pub fn dap_launch(cx: &mut Context) {
let completions = template.completion.clone();
let name = template.name.clone();
let callback = Box::pin(async move {
let call: Callback = Box::new(move |_editor, compositor| {
let prompt = debug_parameter_prompt(completions, name, Vec::new());
compositor.push(Box::new(prompt));
});
let call: Callback =
Callback::EditorCompositor(Box::new(move |_editor, compositor| {
let prompt = debug_parameter_prompt(completions, name, Vec::new());
compositor.push(Box::new(prompt));
}));
Ok(call)
});
cx.jobs.callback(callback);
@ -332,10 +336,11 @@ fn debug_parameter_prompt(
let config_name = config_name.clone();
let params = params.clone();
let callback = Box::pin(async move {
let call: Callback = Box::new(move |_editor, compositor| {
let prompt = debug_parameter_prompt(completions, config_name, params);
compositor.push(Box::new(prompt));
});
let call: Callback =
Callback::EditorCompositor(Box::new(move |_editor, compositor| {
let prompt = debug_parameter_prompt(completions, config_name, params);
compositor.push(Box::new(prompt));
}));
Ok(call)
});
cx.jobs.callback(callback);
@ -582,7 +587,7 @@ pub fn dap_edit_condition(cx: &mut Context) {
None => return,
};
let callback = Box::pin(async move {
let call: Callback = Box::new(move |editor, compositor| {
let call: Callback = Callback::EditorCompositor(Box::new(move |editor, compositor| {
let mut prompt = Prompt::new(
"condition:".into(),
None,
@ -610,7 +615,7 @@ pub fn dap_edit_condition(cx: &mut Context) {
prompt.insert_str(&condition, editor)
}
compositor.push(Box::new(prompt));
});
}));
Ok(call)
});
cx.jobs.callback(callback);
@ -624,7 +629,7 @@ pub fn dap_edit_log(cx: &mut Context) {
None => return,
};
let callback = Box::pin(async move {
let call: Callback = Box::new(move |editor, compositor| {
let call: Callback = Callback::EditorCompositor(Box::new(move |editor, compositor| {
let mut prompt = Prompt::new(
"log-message:".into(),
None,
@ -651,7 +656,7 @@ pub fn dap_edit_log(cx: &mut Context) {
prompt.insert_str(&log_message, editor);
}
compositor.push(Box::new(prompt));
});
}));
Ok(call)
});
cx.jobs.callback(callback);

152
helix-term/src/commands/typed.rs
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@ -1,5 +1,7 @@
use std::ops::Deref;
use crate::job::Job;
use super::*;
use helix_view::{
@ -19,6 +21,8 @@ pub struct TypableCommand {
}
fn quit(cx: &mut compositor::Context, args: &[Cow<str>], event: PromptEvent) -> anyhow::Result<()> {
log::debug!("quitting...");
if event != PromptEvent::Validate {
return Ok(());
}
@ -30,6 +34,7 @@ fn quit(cx: &mut compositor::Context, args: &[Cow<str>], event: PromptEvent) ->
buffers_remaining_impl(cx.editor)?
}
cx.block_try_flush_writes()?;
cx.editor.close(view!(cx.editor).id);
Ok(())
@ -70,14 +75,16 @@ fn open(cx: &mut compositor::Context, args: &[Cow<str>], event: PromptEvent) ->
}
fn buffer_close_by_ids_impl(
editor: &mut Editor,
cx: &mut compositor::Context,
doc_ids: &[DocumentId],
force: bool,
) -> anyhow::Result<()> {
cx.block_try_flush_writes()?;
let (modified_ids, modified_names): (Vec<_>, Vec<_>) = doc_ids
.iter()
.filter_map(|&doc_id| {
if let Err(CloseError::BufferModified(name)) = editor.close_document(doc_id, force) {
if let Err(CloseError::BufferModified(name)) = cx.editor.close_document(doc_id, force) {
Some((doc_id, name))
} else {
None
@ -86,11 +93,11 @@ fn buffer_close_by_ids_impl(
.unzip();
if let Some(first) = modified_ids.first() {
let current = doc!(editor);
let current = doc!(cx.editor);
// If the current document is unmodified, and there are modified
// documents, switch focus to the first modified doc.
if !modified_ids.contains(&current.id()) {
editor.switch(*first, Action::Replace);
cx.editor.switch(*first, Action::Replace);
}
bail!(
"{} unsaved buffer(s) remaining: {:?}",
@ -149,7 +156,7 @@ fn buffer_close(
}
let document_ids = buffer_gather_paths_impl(cx.editor, args);
buffer_close_by_ids_impl(cx.editor, &document_ids, false)
buffer_close_by_ids_impl(cx, &document_ids, false)
}
fn force_buffer_close(
@ -162,7 +169,7 @@ fn force_buffer_close(
}
let document_ids = buffer_gather_paths_impl(cx.editor, args);
buffer_close_by_ids_impl(cx.editor, &document_ids, true)
buffer_close_by_ids_impl(cx, &document_ids, true)
}
fn buffer_gather_others_impl(editor: &mut Editor) -> Vec<DocumentId> {
@ -184,7 +191,7 @@ fn buffer_close_others(
}
let document_ids = buffer_gather_others_impl(cx.editor);
buffer_close_by_ids_impl(cx.editor, &document_ids, false)
buffer_close_by_ids_impl(cx, &document_ids, false)
}
fn force_buffer_close_others(
@ -197,7 +204,7 @@ fn force_buffer_close_others(
}
let document_ids = buffer_gather_others_impl(cx.editor);
buffer_close_by_ids_impl(cx.editor, &document_ids, true)
buffer_close_by_ids_impl(cx, &document_ids, true)
}
fn buffer_gather_all_impl(editor: &mut Editor) -> Vec<DocumentId> {
@ -214,7 +221,7 @@ fn buffer_close_all(
}
let document_ids = buffer_gather_all_impl(cx.editor);
buffer_close_by_ids_impl(cx.editor, &document_ids, false)
buffer_close_by_ids_impl(cx, &document_ids, false)
}
fn force_buffer_close_all(
@ -227,7 +234,7 @@ fn force_buffer_close_all(
}
let document_ids = buffer_gather_all_impl(cx.editor);
buffer_close_by_ids_impl(cx.editor, &document_ids, true)
buffer_close_by_ids_impl(cx, &document_ids, true)
}
fn buffer_next(
@ -261,39 +268,29 @@ fn write_impl(
path: Option<&Cow<str>>,
force: bool,
) -> anyhow::Result<()> {
let auto_format = cx.editor.config().auto_format;
let editor_auto_fmt = cx.editor.config().auto_format;
let jobs = &mut cx.jobs;
let doc = doc_mut!(cx.editor);
let path = path.map(AsRef::as_ref);
if let Some(ref path) = path {
doc.set_path(Some(path.as_ref().as_ref()))
.context("invalid filepath")?;
}
if doc.path().is_none() {
bail!("cannot write a buffer without a filename");
}
let fmt = if auto_format {
let fmt = if editor_auto_fmt {
doc.auto_format().map(|fmt| {
let shared = fmt.shared();
let callback = make_format_callback(
doc.id(),
doc.version(),
Modified::SetUnmodified,
shared.clone(),
fmt,
Some((path.map(Into::into), force)),
);
jobs.callback(callback);
shared
jobs.add(Job::with_callback(callback).wait_before_exiting());
})
} else {
None
};
let future = doc.format_and_save(fmt, force);
cx.jobs.add(Job::new(future).wait_before_exiting());
if path.is_some() {
if fmt.is_none() {
let id = doc.id();
doc.detect_language(cx.editor.syn_loader.clone());
let _ = cx.editor.refresh_language_server(id);
cx.editor.save(id, path, force)?;
}
Ok(())
@ -348,8 +345,7 @@ fn format(
let doc = doc!(cx.editor);
if let Some(format) = doc.format() {
let callback =
make_format_callback(doc.id(), doc.version(), Modified::LeaveModified, format);
let callback = make_format_callback(doc.id(), doc.version(), format, None);
cx.jobs.callback(callback);
}
@ -520,7 +516,7 @@ fn write_quit(
}
write_impl(cx, args.first(), false)?;
helix_lsp::block_on(cx.jobs.finish())?;
cx.block_try_flush_writes()?;
quit(cx, &[], event)
}
@ -534,6 +530,7 @@ fn force_write_quit(
}
write_impl(cx, args.first(), true)?;
cx.block_try_flush_writes()?;
force_quit(cx, &[], event)
}
@ -573,40 +570,50 @@ fn write_all_impl(
return Ok(());
}
let mut errors = String::new();
let mut errors: Vec<&'static str> = Vec::new();
let auto_format = cx.editor.config().auto_format;
let jobs = &mut cx.jobs;
// save all documents
for doc in &mut cx.editor.documents.values_mut() {
if doc.path().is_none() {
errors.push_str("cannot write a buffer without a filename\n");
continue;
}
let saves: Vec<_> = cx
.editor
.documents
.values()
.filter_map(|doc| {
if doc.path().is_none() {
errors.push("cannot write a buffer without a filename\n");
return None;
}
if !doc.is_modified() {
continue;
}
if !doc.is_modified() {
return None;
}
let fmt = if auto_format {
doc.auto_format().map(|fmt| {
let shared = fmt.shared();
let callback = make_format_callback(
doc.id(),
doc.version(),
Modified::SetUnmodified,
shared.clone(),
);
jobs.callback(callback);
shared
})
} else {
let fmt = if auto_format {
doc.auto_format().map(|fmt| {
let callback =
make_format_callback(doc.id(), doc.version(), fmt, Some((None, force)));
jobs.add(Job::with_callback(callback).wait_before_exiting());
})
} else {
None
};
if fmt.is_none() {
return Some(doc.id());
}
None
};
let future = doc.format_and_save(fmt, force);
jobs.add(Job::new(future).wait_before_exiting());
})
.collect();
// manually call save for the rest of docs that don't have a formatter
for id in saves {
cx.editor.save::<PathBuf>(id, None, force)?;
}
if quit {
cx.block_try_flush_writes()?;
if !force {
buffers_remaining_impl(cx.editor)?;
}
@ -618,7 +625,11 @@ fn write_all_impl(
}
}
bail!(errors)
if !errors.is_empty() && !force {
bail!("{:?}", errors);
}
Ok(())
}
fn write_all(
@ -680,6 +691,7 @@ fn quit_all(
return Ok(());
}
cx.block_try_flush_writes()?;
quit_all_impl(cx.editor, false)
}
@ -708,8 +720,9 @@ fn cquit(
.first()
.and_then(|code| code.parse::<i32>().ok())
.unwrap_or(1);
cx.editor.exit_code = exit_code;
cx.editor.exit_code = exit_code;
cx.block_try_flush_writes()?;
quit_all_impl(cx.editor, false)
}
@ -1064,12 +1077,13 @@ fn tree_sitter_scopes(
let contents = format!("```json\n{:?}\n````", scopes);
let callback = async move {
let call: job::Callback =
Box::new(move |editor: &mut Editor, compositor: &mut Compositor| {
let call: job::Callback = Callback::EditorCompositor(Box::new(
move |editor: &mut Editor, compositor: &mut Compositor| {
let contents = ui::Markdown::new(contents, editor.syn_loader.clone());
let popup = Popup::new("hover", contents).auto_close(true);
compositor.replace_or_push("hover", popup);
});
},
));
Ok(call)
};
@ -1492,12 +1506,13 @@ fn tree_sitter_subtree(
contents.push_str("\n```");
let callback = async move {
let call: job::Callback =
Box::new(move |editor: &mut Editor, compositor: &mut Compositor| {
let call: job::Callback = Callback::EditorCompositor(Box::new(
move |editor: &mut Editor, compositor: &mut Compositor| {
let contents = ui::Markdown::new(contents, editor.syn_loader.clone());
let popup = Popup::new("hover", contents).auto_close(true);
compositor.replace_or_push("hover", popup);
});
},
));
Ok(call)
};
@ -1605,8 +1620,8 @@ fn run_shell_command(
if !output.is_empty() {
let callback = async move {
let call: job::Callback =
Box::new(move |editor: &mut Editor, compositor: &mut Compositor| {
let call: job::Callback = Callback::EditorCompositor(Box::new(
move |editor: &mut Editor, compositor: &mut Compositor| {
let contents = ui::Markdown::new(
format!("```sh\n{}\n```", output),
editor.syn_loader.clone(),
@ -1615,7 +1630,8 @@ fn run_shell_command(
helix_core::Position::new(editor.cursor().0.unwrap_or_default().row, 2),
));
compositor.replace_or_push("shell", popup);
});
},
));
Ok(call)
};

10
helix-term/src/compositor.rs
Unescape Escape View File

@ -27,6 +27,16 @@ pub struct Context<'a> {
pub jobs: &'a mut Jobs,
}
impl<'a> Context<'a> {
/// Waits on all pending jobs, and then tries to flush all pending write
/// operations for all documents.
pub fn block_try_flush_writes(&mut self) -> anyhow::Result<()> {
tokio::task::block_in_place(|| helix_lsp::block_on(self.jobs.finish(self.editor, None)))?;
tokio::task::block_in_place(|| helix_lsp::block_on(self.editor.flush_writes()))?;
Ok(())
}
}
pub trait Component: Any + AnyComponent {
/// Process input events, return true if handled.
fn handle_event(&mut self, _event: &Event, _ctx: &mut Context) -> EventResult {

36
helix-term/src/job.rs
Unescape Escape View File

@ -5,7 +5,11 @@ use crate::compositor::Compositor;
use futures_util::future::{BoxFuture, Future, FutureExt};
use futures_util::stream::{FuturesUnordered, StreamExt};
pub type Callback = Box<dyn FnOnce(&mut Editor, &mut Compositor) + Send>;
pub enum Callback {
EditorCompositor(Box<dyn FnOnce(&mut Editor, &mut Compositor) + Send>),
Editor(Box<dyn FnOnce(&mut Editor) + Send>),
}
pub type JobFuture = BoxFuture<'static, anyhow::Result<Option<Callback>>>;
pub struct Job {
@ -68,9 +72,10 @@ impl Jobs {
) {
match call {
Ok(None) => {}
Ok(Some(call)) => {
call(editor, compositor);
}
Ok(Some(call)) => match call {
Callback::EditorCompositor(call) => call(editor, compositor),
Callback::Editor(call) => call(editor),
},
Err(e) => {
editor.set_error(format!("Async job failed: {}", e));
}
@ -93,13 +98,32 @@ impl Jobs {
}
/// Blocks until all the jobs that need to be waited on are done.
pub async fn finish(&mut self) -> anyhow::Result<()> {
pub async fn finish(
&mut self,
editor: &mut Editor,
mut compositor: Option<&mut Compositor>,
) -> anyhow::Result<()> {
log::debug!("waiting on jobs...");
let mut wait_futures = std::mem::take(&mut self.wait_futures);
while let (Some(job), tail) = wait_futures.into_future().await {
match job {
Ok(_) => {
Ok(callback) => {
wait_futures = tail;
if let Some(callback) = callback {
// clippy doesn't realize this is an error without the derefs
#[allow(clippy::needless_option_as_deref)]
match callback {
Callback::EditorCompositor(call) if compositor.is_some() => {
call(editor, compositor.as_deref_mut().unwrap())
}
Callback::Editor(call) => call(editor),
// skip callbacks for which we don't have the necessary references
_ => (),
}
}
}
Err(e) => {
self.wait_futures = tail;

12
helix-term/src/main.rs
Unescape Escape View File

@ -139,8 +139,18 @@ FLAGS:
Err(err) => return Err(Error::new(err)),
};
let syn_loader_conf = helix_core::config::user_syntax_loader().unwrap_or_else(|err| {
eprintln!("Bad language config: {}", err);
eprintln!("Press <ENTER> to continue with default language config");
use std::io::Read;
// This waits for an enter press.
let _ = std::io::stdin().read(&mut []);
helix_core::config::default_syntax_loader()
});
// TODO: use the thread local executor to spawn the application task separately from the work pool
let mut app = Application::new(args, config).context("unable to create new application")?;
let mut app = Application::new(args, config, syn_loader_conf)
.context("unable to create new application")?;
let exit_code = app.run(&mut EventStream::new()).await?;

10
helix-term/src/ui/editor.rs
Unescape Escape View File

@ -1,7 +1,8 @@
use crate::{
commands,
compositor::{Component, Context, Event, EventResult},
job, key,
job::{self, Callback},
key,
keymap::{KeymapResult, Keymaps},
ui::{Completion, ProgressSpinners},
};
@ -944,9 +945,10 @@ impl EditorView {
// TODO: Use an on_mode_change hook to remove signature help
cxt.jobs.callback(async {
let call: job::Callback = Box::new(|_editor, compositor| {
compositor.remove(SignatureHelp::ID);
});
let call: job::Callback =
Callback::EditorCompositor(Box::new(|_editor, compositor| {
compositor.remove(SignatureHelp::ID);
}));
Ok(call)
});
}

6
helix-term/src/ui/mod.rs
Unescape Escape View File

@ -14,7 +14,7 @@ mod statusline;
mod text;
use crate::compositor::{Component, Compositor};
use crate::job;
use crate::job::{self, Callback};
pub use completion::Completion;
pub use editor::EditorView;
pub use markdown::Markdown;
@ -121,7 +121,7 @@ pub fn regex_prompt(
if event == PromptEvent::Validate {
let callback = async move {
let call: job::Callback = Box::new(
let call: job::Callback = Callback::EditorCompositor(Box::new(
move |_editor: &mut Editor, compositor: &mut Compositor| {
let contents = Text::new(format!("{}", err));
let size = compositor.size();
@ -135,7 +135,7 @@ pub fn regex_prompt(
compositor.replace_or_push("invalid-regex", popup);
},
);
));
Ok(call)
};

1
helix-term/tests/integration.rs
Unescape Escape View File

@ -22,5 +22,6 @@ mod test {
mod commands;
mod movement;
mod prompt;
mod splits;
mod write;
}

1
helix-term/tests/test/auto_indent.rs
Unescape Escape View File

@ -8,6 +8,7 @@ async fn auto_indent_c() -> anyhow::Result<()> {
..Default::default()
},
Config::default(),
helpers::test_syntax_conf(None),
// switches to append mode?
(
helpers::platform_line("void foo() {#[|}]#").as_ref(),

1
helix-term/tests/test/auto_pairs.rs
Unescape Escape View File

@ -13,6 +13,7 @@ async fn auto_pairs_basic() -> anyhow::Result<()> {
},
..Default::default()
},
helpers::test_syntax_conf(None),
("#[\n|]#", "i(<esc>", "(#[|\n]#"),
)
.await?;

36
helix-term/tests/test/commands.rs
Unescape Escape View File

@ -1,21 +1,25 @@
use std::{
io::{Read, Write},
ops::RangeInclusive,
};
use std::ops::RangeInclusive;
use helix_core::diagnostic::Severity;
use helix_term::application::Application;
use super::*;
#[tokio::test]
#[tokio::test(flavor = "multi_thread")]
async fn test_write_quit_fail() -> anyhow::Result<()> {
let file = helpers::new_readonly_tempfile()?;
let mut app = helpers::AppBuilder::new()
.with_file(file.path(), None)
.build()?;
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
&mut app,
Some("ihello<esc>:wq<ret>"),
Some(&|app| {
let mut docs: Vec<_> = app.editor.documents().collect();
assert_eq!(1, docs.len());
let doc = docs.pop().unwrap();
assert_eq!(Some(file.path()), doc.path().map(PathBuf::as_path));
assert_eq!(&Severity::Error, app.editor.get_status().unwrap().1);
}),
false,
@ -25,11 +29,10 @@ async fn test_write_quit_fail() -> anyhow::Result<()> {
Ok(())
}
#[tokio::test]
#[ignore]
#[tokio::test(flavor = "multi_thread")]
async fn test_buffer_close_concurrent() -> anyhow::Result<()> {
test_key_sequences(
&mut Application::new(Args::default(), Config::default())?,
&mut helpers::AppBuilder::new().build()?,
vec![
(
None,
@ -69,8 +72,12 @@ async fn test_buffer_close_concurrent() -> anyhow::Result<()> {
command.push_str(":buffer<minus>close<ret>");
let mut app = helpers::AppBuilder::new()
.with_file(file.path(), None)
.build()?;
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
&mut app,
Some(&command),
Some(&|app| {
assert!(!app.editor.is_err(), "error: {:?}", app.editor.get_status());
@ -82,12 +89,7 @@ async fn test_buffer_close_concurrent() -> anyhow::Result<()> {
)
.await?;
file.as_file_mut().flush()?;
file.as_file_mut().sync_all()?;
let mut file_content = String::new();
file.as_file_mut().read_to_string(&mut file_content)?;
assert_eq!(RANGE.end().to_string(), file_content);
helpers::assert_file_has_content(file.as_file_mut(), &RANGE.end().to_string())?;
Ok(())
}

136
helix-term/tests/test/helpers.rs
Unescape Escape View File

@ -1,10 +1,15 @@
use std::{io::Write, path::PathBuf, time::Duration};
use std::{
fs::File,
io::{Read, Write},
path::PathBuf,
time::Duration,
};
use anyhow::bail;
use crossterm::event::{Event, KeyEvent};
use helix_core::{test, Selection, Transaction};
use helix_core::{diagnostic::Severity, test, Selection, Transaction};
use helix_term::{application::Application, args::Args, config::Config};
use helix_view::{doc, input::parse_macro};
use helix_view::{doc, input::parse_macro, Editor};
use tempfile::NamedTempFile;
use tokio_stream::wrappers::UnboundedReceiverStream;
@ -56,7 +61,9 @@ pub async fn test_key_sequences(
for (i, (in_keys, test_fn)) in inputs.into_iter().enumerate() {
if let Some(in_keys) = in_keys {
for key_event in parse_macro(in_keys)?.into_iter() {
tx.send(Ok(Event::Key(KeyEvent::from(key_event))))?;
let key = Event::Key(KeyEvent::from(key_event));
log::trace!("sending key: {:?}", key);
tx.send(Ok(key))?;
}
}
@ -70,7 +77,7 @@ pub async fn test_key_sequences(
// verify if it exited on the last iteration if it should have and
// the inverse
if i == num_inputs - 1 && app_exited != should_exit {
bail!("expected app to exit: {} != {}", app_exited, should_exit);
bail!("expected app to exit: {} != {}", should_exit, app_exited);
}
if let Some(test) = test_fn {
@ -87,7 +94,17 @@ pub async fn test_key_sequences(
tokio::time::timeout(TIMEOUT, event_loop).await?;
}
app.close().await?;
let errs = app.close().await;
if !errs.is_empty() {
log::error!("Errors closing app");
for err in errs {
log::error!("{}", err);
}
bail!("Error closing app");
}
Ok(())
}
@ -101,7 +118,7 @@ pub async fn test_key_sequence_with_input_text<T: Into<TestCase>>(
let test_case = test_case.into();
let mut app = match app {
Some(app) => app,
None => Application::new(Args::default(), Config::default())?,
None => Application::new(Args::default(), Config::default(), test_syntax_conf(None))?,
};
let (view, doc) = helix_view::current!(app.editor);
@ -125,16 +142,30 @@ pub async fn test_key_sequence_with_input_text<T: Into<TestCase>>(
.await
}
/// Generates language configs that merge in overrides, like a user language
/// config. The argument string must be a raw TOML document.
pub fn test_syntax_conf(overrides: Option<String>) -> helix_core::syntax::Configuration {
let mut lang = helix_loader::config::default_lang_config();
if let Some(overrides) = overrides {
let override_toml = toml::from_str(&overrides).unwrap();
lang = helix_loader::merge_toml_values(lang, override_toml, 3);
}
lang.try_into().unwrap()
}
/// Use this for very simple test cases where there is one input
/// document, selection, and sequence of key presses, and you just
/// want to verify the resulting document and selection.
pub async fn test_with_config<T: Into<TestCase>>(
args: Args,
config: Config,
syn_conf: helix_core::syntax::Configuration,
test_case: T,
) -> anyhow::Result<()> {
let test_case = test_case.into();
let app = Application::new(args, config)?;
let app = Application::new(args, config, syn_conf)?;
test_key_sequence_with_input_text(
Some(app),
@ -155,7 +186,13 @@ pub async fn test_with_config<T: Into<TestCase>>(
}
pub async fn test<T: Into<TestCase>>(test_case: T) -> anyhow::Result<()> {
test_with_config(Args::default(), Config::default(), test_case).await
test_with_config(
Args::default(),
Config::default(),
test_syntax_conf(None),
test_case,
)
.await
}
pub fn temp_file_with_contents<S: AsRef<str>>(
@ -200,14 +237,75 @@ pub fn new_readonly_tempfile() -> anyhow::Result<NamedTempFile> {
Ok(file)
}
/// Creates a new Application with default config that opens the given file
/// path
pub fn app_with_file<P: Into<PathBuf>>(path: P) -> anyhow::Result<Application> {
Application::new(
Args {
files: vec![(path.into(), helix_core::Position::default())],
..Default::default()
},
Config::default(),
)
#[derive(Default)]
pub struct AppBuilder {
args: Args,
config: Config,
syn_conf: helix_core::syntax::Configuration,
input: Option<(String, Selection)>,
}
impl AppBuilder {
pub fn new() -> Self {
AppBuilder::default()
}
pub fn with_file<P: Into<PathBuf>>(
mut self,
path: P,
pos: Option<helix_core::Position>,
) -> Self {
self.args.files.push((path.into(), pos.unwrap_or_default()));
self
}
pub fn with_config(mut self, config: Config) -> Self {
self.config = config;
self
}
pub fn with_input_text<S: Into<String>>(mut self, input_text: S) -> Self {
self.input = Some(test::print(&input_text.into()));
self
}
pub fn with_lang_config(mut self, syn_conf: helix_core::syntax::Configuration) -> Self {
self.syn_conf = syn_conf;
self
}
pub fn build(self) -> anyhow::Result<Application> {
let mut app = Application::new(self.args, self.config, self.syn_conf)?;
if let Some((text, selection)) = self.input {
let (view, doc) = helix_view::current!(app.editor);
let sel = doc.selection(view.id).clone();
let trans = Transaction::change_by_selection(doc.text(), &sel, |_| {
(0, doc.text().len_chars(), Some((text.clone()).into()))
})
.with_selection(selection);
// replace the initial text with the input text
doc.apply(&trans, view.id);
}
Ok(app)
}
}
pub fn assert_file_has_content(file: &mut File, content: &str) -> anyhow::Result<()> {
file.flush()?;
file.sync_all()?;
let mut file_content = String::new();
file.read_to_string(&mut file_content)?;
assert_eq!(content, file_content);
Ok(())
}
pub fn assert_status_not_error(editor: &Editor) {
if let Some((_, sev)) = editor.get_status() {
assert_ne!(&Severity::Error, sev);
}
}

8
helix-term/tests/test/movement.rs
Unescape Escape View File

@ -70,7 +70,9 @@ async fn insert_to_normal_mode_cursor_position() -> anyhow::Result<()> {
async fn cursor_position_newly_opened_file() -> anyhow::Result<()> {
let test = |content: &str, expected_sel: Selection| -> anyhow::Result<()> {
let file = helpers::temp_file_with_contents(content)?;
let mut app = helpers::app_with_file(file.path())?;
let mut app = helpers::AppBuilder::new()
.with_file(file.path(), None)
.build()?;
let (view, doc) = helix_view::current!(app.editor);
let sel = doc.selection(view.id).clone();
@ -115,6 +117,7 @@ async fn select_mode_tree_sitter_next_function_is_union_of_objects() -> anyhow::
..Default::default()
},
Config::default(),
helpers::test_syntax_conf(None),
(
helpers::platform_line(indoc! {"\
#[/|]#// Increments
@ -146,6 +149,7 @@ async fn select_mode_tree_sitter_prev_function_unselects_object() -> anyhow::Res
..Default::default()
},
Config::default(),
helpers::test_syntax_conf(None),
(
helpers::platform_line(indoc! {"\
/// Increments
@ -178,6 +182,7 @@ async fn select_mode_tree_sitter_prev_function_goes_backwards_to_object() -> any
..Default::default()
},
Config::default(),
helpers::test_syntax_conf(None),
(
helpers::platform_line(indoc! {"\
/// Increments
@ -208,6 +213,7 @@ async fn select_mode_tree_sitter_prev_function_goes_backwards_to_object() -> any
..Default::default()
},
Config::default(),
helpers::test_syntax_conf(None),
(
helpers::platform_line(indoc! {"\
/// Increments

4
helix-term/tests/test/prompt.rs
Unescape Escape View File

@ -1,11 +1,9 @@
use super::*;
use helix_term::application::Application;
#[tokio::test]
async fn test_history_completion() -> anyhow::Result<()> {
test_key_sequence(
&mut Application::new(Args::default(), Config::default())?,
&mut AppBuilder::new().build()?,
Some(":asdf<ret>:theme d<C-n><tab>"),
Some(&|app| {
assert!(!app.editor.is_err());

129
helix-term/tests/test/splits.rs
Unescape Escape View File

@ -0,0 +1,129 @@
use super::*;
#[tokio::test(flavor = "multi_thread")]
async fn test_split_write_quit_all() -> anyhow::Result<()> {
let mut file1 = tempfile::NamedTempFile::new()?;
let mut file2 = tempfile::NamedTempFile::new()?;
let mut file3 = tempfile::NamedTempFile::new()?;
let mut app = helpers::AppBuilder::new()
.with_file(file1.path(), None)
.build()?;
test_key_sequences(
&mut app,
vec![
(
Some(&format!(
"ihello1<esc>:sp<ret>:o {}<ret>ihello2<esc>:sp<ret>:o {}<ret>ihello3<esc>",
file2.path().to_string_lossy(),
file3.path().to_string_lossy()
)),
Some(&|app| {
let docs: Vec<_> = app.editor.documents().collect();
assert_eq!(3, docs.len());
let doc1 = docs
.iter()
.find(|doc| doc.path().unwrap() == file1.path())
.unwrap();
assert_eq!("hello1", doc1.text().to_string());
let doc2 = docs
.iter()
.find(|doc| doc.path().unwrap() == file2.path())
.unwrap();
assert_eq!("hello2", doc2.text().to_string());
let doc3 = docs
.iter()
.find(|doc| doc.path().unwrap() == file3.path())
.unwrap();
assert_eq!("hello3", doc3.text().to_string());
helpers::assert_status_not_error(&app.editor);
assert_eq!(3, app.editor.tree.views().count());
}),
),
(
Some(":wqa<ret>"),
Some(&|app| {
helpers::assert_status_not_error(&app.editor);
assert_eq!(0, app.editor.tree.views().count());
}),
),
],
true,
)
.await?;
helpers::assert_file_has_content(file1.as_file_mut(), "hello1")?;
helpers::assert_file_has_content(file2.as_file_mut(), "hello2")?;
helpers::assert_file_has_content(file3.as_file_mut(), "hello3")?;
Ok(())
}
#[tokio::test(flavor = "multi_thread")]
async fn test_split_write_quit_same_file() -> anyhow::Result<()> {
let mut file = tempfile::NamedTempFile::new()?;
let mut app = helpers::AppBuilder::new()
.with_file(file.path(), None)
.build()?;
test_key_sequences(
&mut app,
vec![
(
Some("O<esc>ihello<esc>:sp<ret>ogoodbye<esc>"),
Some(&|app| {
assert_eq!(2, app.editor.tree.views().count());
helpers::assert_status_not_error(&app.editor);
let mut docs: Vec<_> = app.editor.documents().collect();
assert_eq!(1, docs.len());
let doc = docs.pop().unwrap();
assert_eq!(
helpers::platform_line("hello\ngoodbye"),
doc.text().to_string()
);
assert!(doc.is_modified());
}),
),
(
Some(":wq<ret>"),
Some(&|app| {
helpers::assert_status_not_error(&app.editor);
assert_eq!(1, app.editor.tree.views().count());
let mut docs: Vec<_> = app.editor.documents().collect();
assert_eq!(1, docs.len());
let doc = docs.pop().unwrap();
assert_eq!(
helpers::platform_line("hello\ngoodbye"),
doc.text().to_string()
);
assert!(!doc.is_modified());
}),
),
],
false,
)
.await?;
helpers::assert_file_has_content(
file.as_file_mut(),
&helpers::platform_line("hello\ngoodbye"),
)?;
Ok(())
}

152
helix-term/tests/test/write.rs
Unescape Escape View File

@ -4,7 +4,6 @@ use std::{
};
use helix_core::diagnostic::Severity;
use helix_term::application::Application;
use helix_view::doc;
use super::*;
@ -12,9 +11,12 @@ use super::*;
#[tokio::test]
async fn test_write() -> anyhow::Result<()> {
let mut file = tempfile::NamedTempFile::new()?;
let mut app = helpers::AppBuilder::new()
.with_file(file.path(), None)
.build()?;
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
&mut app,
Some("ithe gostak distims the doshes<ret><esc>:w<ret>"),
None,
false,
@ -35,12 +37,15 @@ async fn test_write() -> anyhow::Result<()> {
Ok(())
}
#[tokio::test]
#[tokio::test(flavor = "multi_thread")]
async fn test_write_quit() -> anyhow::Result<()> {
let mut file = tempfile::NamedTempFile::new()?;
let mut app = helpers::AppBuilder::new()
.with_file(file.path(), None)
.build()?;
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
&mut app,
Some("ithe gostak distims the doshes<ret><esc>:wq<ret>"),
None,
true,
@ -61,25 +66,21 @@ async fn test_write_quit() -> anyhow::Result<()> {
Ok(())
}
#[tokio::test]
#[ignore]
#[tokio::test(flavor = "multi_thread")]
async fn test_write_concurrent() -> anyhow::Result<()> {
let mut file = tempfile::NamedTempFile::new()?;
let mut command = String::new();
const RANGE: RangeInclusive<i32> = 1..=5000;
let mut app = helpers::AppBuilder::new()
.with_file(file.path(), None)
.build()?;
for i in RANGE {
let cmd = format!("%c{}<esc>:w<ret>", i);
command.push_str(&cmd);
}
test_key_sequence(
&mut helpers::app_with_file(file.path())?,
Some(&command),
None,
false,
)
.await?;
test_key_sequence(&mut app, Some(&command), None, false).await?;
file.as_file_mut().flush()?;
file.as_file_mut().sync_all()?;
@ -92,12 +93,14 @@ async fn test_write_concurrent() -> anyhow::Result<()> {
}
#[tokio::test]
#[ignore]
async fn test_write_fail_mod_flag() -> anyhow::Result<()> {
let file = helpers::new_readonly_tempfile()?;
let mut app = helpers::AppBuilder::new()
.with_file(file.path(), None)
.build()?;
test_key_sequences(
&mut helpers::app_with_file(file.path())?,
&mut app,
vec![
(
None,
@ -131,12 +134,127 @@ async fn test_write_fail_mod_flag() -> anyhow::Result<()> {
}
#[tokio::test]
#[ignore]
async fn test_write_scratch_to_new_path() -> anyhow::Result<()> {
let mut file = tempfile::NamedTempFile::new()?;
test_key_sequence(
&mut AppBuilder::new().build()?,
Some(format!("ihello<esc>:w {}<ret>", file.path().to_string_lossy()).as_ref()),
Some(&|app| {
assert!(!app.editor.is_err());
let mut docs: Vec<_> = app.editor.documents().collect();
assert_eq!(1, docs.len());
let doc = docs.pop().unwrap();
assert_eq!(Some(&file.path().to_path_buf()), doc.path());
}),
false,
)
.await?;
helpers::assert_file_has_content(file.as_file_mut(), &helpers::platform_line("hello"))?;
Ok(())
}
#[tokio::test]
async fn test_write_scratch_no_path_fails() -> anyhow::Result<()> {
helpers::test_key_sequence_with_input_text(
None,
("#[\n|]#", "ihello<esc>:w<ret>", "hello#[\n|]#"),
&|app| {
assert!(app.editor.is_err());
let mut docs: Vec<_> = app.editor.documents().collect();
assert_eq!(1, docs.len());
let doc = docs.pop().unwrap();
assert_eq!(None, doc.path());
},
false,
)
.await?;
Ok(())
}
#[tokio::test]
async fn test_write_auto_format_fails_still_writes() -> anyhow::Result<()> {
let mut file = tempfile::Builder::new().suffix(".rs").tempfile()?;
let lang_conf = indoc! {r#"
[[language]]
name = "rust"
formatter = { command = "bash", args = [ "-c", "exit 1" ] }
"#};
let mut app = helpers::AppBuilder::new()
.with_file(file.path(), None)
.with_input_text("#[l|]#et foo = 0;\n")
.with_lang_config(helpers::test_syntax_conf(Some(lang_conf.into())))
.build()?;
test_key_sequences(&mut app, vec![(Some(":w<ret>"), None)], false).await?;
// file still saves
helpers::assert_file_has_content(file.as_file_mut(), "let foo = 0;\n")?;
Ok(())
}
#[tokio::test]
async fn test_write_new_path() -> anyhow::Result<()> {
let mut file1 = tempfile::NamedTempFile::new().unwrap();
let mut file2 = tempfile::NamedTempFile::new().unwrap();
let mut app = helpers::AppBuilder::new()
.with_file(file1.path(), None)
.build()?;
test_key_sequences(
&mut app,
vec![
(
Some("ii can eat glass, it will not hurt me<ret><esc>:w<ret>"),
Some(&|app| {
let doc = doc!(app.editor);
assert!(!app.editor.is_err());
assert_eq!(file1.path(), doc.path().unwrap());
}),
),
(
Some(&format!(":w {}<ret>", file2.path().to_string_lossy())),
Some(&|app| {
let doc = doc!(app.editor);
assert!(!app.editor.is_err());
assert_eq!(file2.path(), doc.path().unwrap());
assert!(app.editor.document_by_path(file1.path()).is_none());
}),
),
],
false,
)
.await?;
helpers::assert_file_has_content(
file1.as_file_mut(),
&helpers::platform_line("i can eat glass, it will not hurt me\n"),
)?;
helpers::assert_file_has_content(
file2.as_file_mut(),
&helpers::platform_line("i can eat glass, it will not hurt me\n"),
)?;
Ok(())
}
#[tokio::test]
async fn test_write_fail_new_path() -> anyhow::Result<()> {
let file = helpers::new_readonly_tempfile()?;
test_key_sequences(
&mut Application::new(Args::default(), Config::default())?,
&mut AppBuilder::new().build()?,
vec![
(
None,

143
helix-view/src/document.rs
Unescape Escape View File

@ -83,6 +83,18 @@ impl Serialize for Mode {
}
}
/// A snapshot of the text of a document that we want to write out to disk
#[derive(Debug, Clone)]
pub struct DocumentSavedEvent {
pub revision: usize,
pub doc_id: DocumentId,
pub path: PathBuf,
pub text: Rope,
}
pub type DocumentSavedEventResult = Result<DocumentSavedEvent, anyhow::Error>;
pub type DocumentSavedEventFuture = BoxFuture<'static, DocumentSavedEventResult>;
pub struct Document {
pub(crate) id: DocumentId,
text: Rope,
@ -492,45 +504,61 @@ impl Document {
Some(fut.boxed())
}
pub fn save(&mut self, force: bool) -> impl Future<Output = Result<(), anyhow::Error>> {
self.save_impl::<futures_util::future::Ready<_>>(None, force)
}
pub fn format_and_save(
pub fn save<P: Into<PathBuf>>(
&mut self,
formatting: Option<impl Future<Output = Result<Transaction, FormatterError>>>,
path: Option<P>,
force: bool,
) -> impl Future<Output = anyhow::Result<()>> {
self.save_impl(formatting, force)
) -> Result<
impl Future<Output = Result<DocumentSavedEvent, anyhow::Error>> + 'static + Send,
anyhow::Error,
> {
let path = path.map(|path| path.into());
self.save_impl(path, force)
// futures_util::future::Ready<_>,
}
// 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
/// The `Document`'s text is encoded according to its encoding and written to the file located
/// at its `path()`.
///
/// If `formatting` is present, it supplies some changes that we apply to the text before saving.
fn save_impl<F: Future<Output = Result<Transaction, FormatterError>>>(
fn save_impl(
&mut self,
formatting: Option<F>,
path: Option<PathBuf>,
force: bool,
) -> impl Future<Output = Result<(), anyhow::Error>> {
) -> Result<
impl Future<Output = Result<DocumentSavedEvent, anyhow::Error>> + 'static + Send,
anyhow::Error,
> {
log::debug!(
"submitting save of doc '{:?}'",
self.path().map(|path| path.to_string_lossy())
);
// we clone and move text + path into the future so that we asynchronously save the current
// state without blocking any further edits.
let text = self.text().clone();
let mut text = self.text().clone();
let path = self.path.clone().expect("Can't save with no path set!");
let identifier = self.identifier();
let path = match path {
Some(path) => helix_core::path::get_canonicalized_path(&path)?,
None => {
if self.path.is_none() {
bail!("Can't save with no path set!");
}
self.path.as_ref().unwrap().clone()
}
};
let identifier = self.path().map(|_| self.identifier());
let language_server = self.language_server.clone();
// mark changes up to now as saved
self.reset_modified();
let current_rev = self.get_current_revision();
let doc_id = self.id();
let encoding = self.encoding;
// We encode the file according to the `Document`'s encoding.
async move {
let future = async move {
use tokio::fs::File;
if let Some(parent) = path.parent() {
// TODO: display a prompt asking the user if the directories should be created
@ -543,39 +571,34 @@ impl Document {
}
}
if let Some(fmt) = formatting {
match fmt.await {
Ok(transaction) => {
let success = transaction.changes().apply(&mut text);
if !success {
// This shouldn't happen, because the transaction changes were generated
// from the same text we're saving.
log::error!("failed to apply format changes before saving");
}
}
Err(err) => {
// formatting failed: report error, and save file without modifications
log::error!("{}", err);
}
}
}
let mut file = File::create(path).await?;
let mut file = File::create(&path).await?;
to_writer(&mut file, encoding, &text).await?;
let event = DocumentSavedEvent {
revision: current_rev,
doc_id,
path,
text: text.clone(),
};
if let Some(language_server) = language_server {
if !language_server.is_initialized() {
return Ok(());
return Ok(event);
}
if let Some(notification) =
language_server.text_document_did_save(identifier, &text)
{
notification.await?;
if let Some(identifier) = identifier {
if let Some(notification) =
language_server.text_document_did_save(identifier, &text)
{
notification.await?;
}
}
}
Ok(())
}
Ok(event)
};
Ok(future)
}
/// Detect the programming language based on the file type.
@ -930,6 +953,12 @@ impl Document {
let history = self.history.take();
let current_revision = history.current_revision();
self.history.set(history);
log::debug!(
"id {} modified - last saved: {}, current: {}",
self.id,
self.last_saved_revision,
current_revision
);
current_revision != self.last_saved_revision || !self.changes.is_empty()
}
@ -941,6 +970,30 @@ impl Document {
self.last_saved_revision = current_revision;
}
/// Set the document's latest saved revision to the given one.
pub fn set_last_saved_revision(&mut self, rev: usize) {
log::debug!(
"doc {} revision updated {} -> {}",
self.id,
self.last_saved_revision,
rev
);
self.last_saved_revision = rev;
}
/// Get the document's latest saved revision.
pub fn get_last_saved_revision(&mut self) -> usize {
self.last_saved_revision
}
/// Get the current revision number
pub fn get_current_revision(&mut self) -> usize {
let history = self.history.take();
let current_revision = history.current_revision();
self.history.set(history);
current_revision
}
/// Corresponding language scope name. Usually `source.<lang>`.
pub fn language_scope(&self) -> Option<&str> {
self.language

140
helix-view/src/editor.rs
Unescape Escape View File

@ -1,6 +1,6 @@
use crate::{
clipboard::{get_clipboard_provider, ClipboardProvider},
document::Mode,
document::{DocumentSavedEventFuture, DocumentSavedEventResult, Mode},
graphics::{CursorKind, Rect},
info::Info,
input::KeyEvent,
@ -9,8 +9,9 @@ use crate::{
Document, DocumentId, View, ViewId,
};
use futures_util::future;
use futures_util::stream::select_all::SelectAll;
use futures_util::{future, StreamExt};
use helix_lsp::Call;
use tokio_stream::wrappers::UnboundedReceiverStream;
use std::{
@ -28,7 +29,7 @@ use tokio::{
time::{sleep, Duration, Instant, Sleep},
};
use anyhow::Error;
use anyhow::{anyhow, bail, Error};
pub use helix_core::diagnostic::Severity;
pub use helix_core::register::Registers;
@ -65,7 +66,7 @@ where
)
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case", default, deny_unknown_fields)]
pub struct FilePickerConfig {
/// IgnoreOptions
@ -172,7 +173,7 @@ pub struct Config {
pub color_modes: bool,
}
#[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
#[derive(Debug, Default, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(default, rename_all = "kebab-case", deny_unknown_fields)]
pub struct TerminalConfig {
pub command: String,
@ -225,7 +226,7 @@ pub fn get_terminal_provider() -> Option<TerminalConfig> {
None
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(default, rename_all = "kebab-case", deny_unknown_fields)]
pub struct LspConfig {
/// Display LSP progress messages below statusline
@ -246,7 +247,7 @@ impl Default for LspConfig {
}
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case", default, deny_unknown_fields)]
pub struct SearchConfig {
/// Smart case: Case insensitive searching unless pattern contains upper case characters. Defaults to true.
@ -255,7 +256,7 @@ pub struct SearchConfig {
pub wrap_around: bool,
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case", default, deny_unknown_fields)]
pub struct StatusLineConfig {
pub left: Vec<StatusLineElement>,
@ -279,7 +280,7 @@ impl Default for StatusLineConfig {
}
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case", default, deny_unknown_fields)]
pub struct ModeConfig {
pub normal: String,
@ -458,7 +459,7 @@ impl std::str::FromStr for GutterType {
}
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(default)]
pub struct WhitespaceConfig {
pub render: WhitespaceRender,
@ -643,12 +644,21 @@ pub struct Breakpoint {
pub log_message: Option<String>,
}
use futures_util::stream::{Flatten, Once};
pub struct Editor {
/// Current editing mode.
pub mode: Mode,
pub tree: Tree,
pub next_document_id: DocumentId,
pub documents: BTreeMap<DocumentId, Document>,
// We Flatten<> to resolve the inner DocumentSavedEventFuture. For that we need a stream of streams, hence the Once<>.
// https://stackoverflow.com/a/66875668
pub saves: HashMap<DocumentId, UnboundedSender<Once<DocumentSavedEventFuture>>>,
pub save_queue: SelectAll<Flatten<UnboundedReceiverStream<Once<DocumentSavedEventFuture>>>>,
pub write_count: usize,
pub count: Option<std::num::NonZeroUsize>,
pub selected_register: Option<char>,
pub registers: Registers,
@ -688,6 +698,15 @@ pub struct Editor {
pub config_events: (UnboundedSender<ConfigEvent>, UnboundedReceiver<ConfigEvent>),
}
#[derive(Debug)]
pub enum EditorEvent {
DocumentSaved(DocumentSavedEventResult),
ConfigEvent(ConfigEvent),
LanguageServerMessage((usize, Call)),
DebuggerEvent(dap::Payload),
IdleTimer,
}
#[derive(Debug, Clone)]
pub enum ConfigEvent {
Refresh,
@ -719,6 +738,8 @@ pub enum CloseError {
DoesNotExist,
/// Buffer is modified
BufferModified(String),
/// Document failed to save
SaveError(anyhow::Error),
}
impl Editor {
@ -739,6 +760,9 @@ impl Editor {
tree: Tree::new(area),
next_document_id: DocumentId::default(),
documents: BTreeMap::new(),
saves: HashMap::new(),
save_queue: SelectAll::new(),
write_count: 0,
count: None,
selected_register: None,
macro_recording: None,
@ -804,12 +828,16 @@ impl Editor {
#[inline]
pub fn set_status<T: Into<Cow<'static, str>>>(&mut self, status: T) {
self.status_msg = Some((status.into(), Severity::Info));
let status = status.into();
log::debug!("editor status: {}", status);
self.status_msg = Some((status, Severity::Info));
}
#[inline]
pub fn set_error<T: Into<Cow<'static, str>>>(&mut self, error: T) {
self.status_msg = Some((error.into(), Severity::Error));
let error = error.into();
log::error!("editor error: {}", error);
self.status_msg = Some((error, Severity::Error));
}
#[inline]
@ -1034,6 +1062,13 @@ impl Editor {
DocumentId(unsafe { NonZeroUsize::new_unchecked(self.next_document_id.0.get() + 1) });
doc.id = id;
self.documents.insert(id, doc);
let (save_sender, save_receiver) = tokio::sync::mpsc::unbounded_channel();
self.saves.insert(id, save_sender);
let stream = UnboundedReceiverStream::new(save_receiver).flatten();
self.save_queue.push(stream);
id
}
@ -1080,16 +1115,19 @@ impl Editor {
}
pub fn close_document(&mut self, doc_id: DocumentId, force: bool) -> Result<(), CloseError> {
let doc = match self.documents.get(&doc_id) {
let doc = match self.documents.get_mut(&doc_id) {
Some(doc) => doc,
None => return Err(CloseError::DoesNotExist),
};
if !force && doc.is_modified() {
return Err(CloseError::BufferModified(doc.display_name().into_owned()));
}
// This will also disallow any follow-up writes
self.saves.remove(&doc_id);
if let Some(language_server) = doc.language_server() {
// TODO: track error
tokio::spawn(language_server.text_document_did_close(doc.identifier()));
}
@ -1152,6 +1190,32 @@ impl Editor {
Ok(())
}
pub fn save<P: Into<PathBuf>>(
&mut self,
doc_id: DocumentId,
path: Option<P>,
force: bool,
) -> anyhow::Result<()> {
// convert a channel of futures to pipe into main queue one by one
// via stream.then() ? then push into main future
let path = path.map(|path| path.into());
let doc = doc_mut!(self, &doc_id);
let future = doc.save(path, force)?;
use futures_util::stream;
self.saves
.get(&doc_id)
.ok_or_else(|| anyhow::format_err!("saves are closed for this document!"))?
.send(stream::once(Box::pin(future)))
.map_err(|err| anyhow!("failed to send save event: {}", err))?;
self.write_count += 1;
Ok(())
}
pub fn resize(&mut self, area: Rect) {
if self.tree.resize(area) {
self._refresh();
@ -1252,14 +1316,14 @@ impl Editor {
}
}
/// Closes language servers with timeout. The default timeout is 500 ms, use
/// Closes language servers with timeout. The default timeout is 10000 ms, use
/// `timeout` parameter to override this.
pub async fn close_language_servers(
&self,
timeout: Option<u64>,
) -> Result<(), tokio::time::error::Elapsed> {
tokio::time::timeout(
Duration::from_millis(timeout.unwrap_or(500)),
Duration::from_millis(timeout.unwrap_or(3000)),
future::join_all(
self.language_servers
.iter_clients()
@ -1269,4 +1333,48 @@ impl Editor {
.await
.map(|_| ())
}
pub async fn wait_event(&mut self) -> EditorEvent {
tokio::select! {
biased;
Some(event) = self.save_queue.next() => {
self.write_count -= 1;
EditorEvent::DocumentSaved(event)
}
Some(config_event) = self.config_events.1.recv() => {
EditorEvent::ConfigEvent(config_event)
}
Some(message) = self.language_servers.incoming.next() => {
EditorEvent::LanguageServerMessage(message)
}
Some(event) = self.debugger_events.next() => {
EditorEvent::DebuggerEvent(event)
}
_ = &mut self.idle_timer => {
EditorEvent::IdleTimer
}
}
}
pub async fn flush_writes(&mut self) -> anyhow::Result<()> {
while self.write_count > 0 {
if let Some(save_event) = self.save_queue.next().await {
self.write_count -= 1;
let save_event = match save_event {
Ok(event) => event,
Err(err) => {
self.set_error(err.to_string());
bail!(err);
}
};
let doc = doc_mut!(self, &save_event.doc_id);
doc.set_last_saved_revision(save_event.revision);
}
}
Ok(())
}
}

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