Upgrade alacritty_terminal in hopes to avoid PTY poll failing
We saw stack traces in our #panic channel pop up that failed on this line:
3330614219/alacritty_terminal/src/event_loop.rs (L323-L324)
With this message:
thread 'PTY reader' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 9, kind: Uncategorized, message: "Bad file descriptor" }'
/Users/administrator/.cargo/git/checkouts/alacritty-afea874b09a502a5/3330614/alacritty_terminal/src/event_loop.rs:324
We don't know how to reproduce the error. It doesn't seem related to the number of open PTY handles,
because `openpty` itself didn't fail. We can only assume that something went wrong between
`openpty` and the setup of the polling.
Since Alacritty itself changed its polling mechanism significantly by switching
from `mio` to `polling` (https://github.com/alacritty/alacritty/pull/6846) we upgraded
with the hope that this will fix the bug.
Co-authored-by: Antonio <antonio@zed.dev>
Co-authored-by: Federico <code@fdionisi.me>
Co-authored-by: David <dammerung2718@icloud.com>
Co-authored-by: Bennet <bennetbo@gmx.de>
This commit is contained in:
Thorsten Ball
parent
f7a2118b15
commit
c4cf5f2b2c
5 changed files with 128 additions and 205 deletions
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@ -3,8 +3,6 @@ pub use alacritty_terminal;
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pub mod terminal_settings;
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use alacritty_terminal::{
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ansi::{ClearMode, Handler},
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config::{Config, Program, PtyConfig, Scrolling},
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event::{Event as AlacTermEvent, EventListener, Notify, WindowSize},
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event_loop::{EventLoop, Msg, Notifier},
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grid::{Dimensions, Scroll as AlacScroll},
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@ -13,11 +11,11 @@ use alacritty_terminal::{
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sync::FairMutex,
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term::{
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cell::Cell,
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color::Rgb,
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search::{Match, RegexIter, RegexSearch},
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RenderableCursor, TermMode,
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Config, RenderableCursor, TermMode,
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},
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tty::{self, setup_env},
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tty::{self, setup_env, ToWinsize},
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vte::ansi::{ClearMode, Handler, NamedPrivateMode, PrivateMode, Rgb},
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Term,
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};
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use anyhow::{bail, Result};
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@ -58,7 +56,6 @@ use gpui::{
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};
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use crate::mappings::{colors::to_alac_rgb, keys::to_esc_str};
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use lazy_static::lazy_static;
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actions!(
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terminal,
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@ -75,15 +72,6 @@ const DEBUG_TERMINAL_HEIGHT: Pixels = px(30.);
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const DEBUG_CELL_WIDTH: Pixels = px(5.);
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const DEBUG_LINE_HEIGHT: Pixels = px(5.);
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lazy_static! {
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// Regex Copied from alacritty's ui_config.rs and modified its declaration slightly:
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// * avoid Rust-specific escaping.
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// * use more strict regex for `file://` protocol matching: original regex has `file:` inside, but we want to avoid matching `some::file::module` strings.
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static ref URL_REGEX: RegexSearch = RegexSearch::new(r#"(ipfs:|ipns:|magnet:|mailto:|gemini://|gopher://|https://|http://|news:|file://|git://|ssh:|ftp://)[^\u{0000}-\u{001F}\u{007F}-\u{009F}<>"\s{-}\^⟨⟩`]+"#).unwrap();
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static ref WORD_REGEX: RegexSearch = RegexSearch::new(r#"[\w.\[\]:/@\-~]+"#).unwrap();
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}
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///Upward flowing events, for changing the title and such
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#[derive(Clone, Debug)]
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pub enum Event {
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@ -294,14 +282,18 @@ impl TerminalBuilder {
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alternate_scroll: AlternateScroll,
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window: AnyWindowHandle,
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) -> Result<TerminalBuilder> {
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let pty_config = {
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let pty_options = {
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let alac_shell = match shell.clone() {
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Shell::System => None,
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Shell::Program(program) => Some(Program::Just(program)),
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Shell::WithArguments { program, args } => Some(Program::WithArgs { program, args }),
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Shell::Program(program) => {
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Some(alacritty_terminal::tty::Shell::new(program, Vec::new()))
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}
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Shell::WithArguments { program, args } => {
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Some(alacritty_terminal::tty::Shell::new(program, args))
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}
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};
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PtyConfig {
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alacritty_terminal::tty::Options {
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shell: alac_shell,
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working_directory: working_directory.clone(),
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hold: false,
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@ -312,43 +304,38 @@ impl TerminalBuilder {
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env.insert("LC_ALL".to_string(), "en_US.UTF-8".to_string());
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env.insert("ZED_TERM".to_string(), true.to_string());
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let alac_scrolling = Scrolling::default();
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// alac_scrolling.set_history((BACK_BUFFER_SIZE * 2) as u32);
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let config = Config {
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pty_config: pty_config.clone(),
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env,
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scrolling: alac_scrolling,
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scrolling_history: 10000,
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..Default::default()
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};
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setup_env(&config);
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setup_env();
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//Spawn a task so the Alacritty EventLoop can communicate with us in a view context
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//TODO: Remove with a bounded sender which can be dispatched on &self
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let (events_tx, events_rx) = unbounded();
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//Set up the terminal...
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let mut term = Term::new(
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&config,
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config,
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&TerminalSize::default(),
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ZedListener(events_tx.clone()),
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);
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//Start off blinking if we need to
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if let Some(TerminalBlink::On) = blink_settings {
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term.set_mode(alacritty_terminal::ansi::Mode::BlinkingCursor)
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term.set_private_mode(PrivateMode::Named(NamedPrivateMode::BlinkingCursor));
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}
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//Alacritty defaults to alternate scrolling being on, so we just need to turn it off.
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if let AlternateScroll::Off = alternate_scroll {
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term.unset_mode(alacritty_terminal::ansi::Mode::AlternateScroll)
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term.unset_private_mode(PrivateMode::Named(NamedPrivateMode::AlternateScroll));
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}
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let term = Arc::new(FairMutex::new(term));
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//Setup the pty...
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let pty = match tty::new(
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&pty_config,
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&pty_options,
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TerminalSize::default().into(),
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window.window_id().as_u64(),
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) {
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@ -370,13 +357,16 @@ impl TerminalBuilder {
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term.clone(),
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ZedListener(events_tx.clone()),
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pty,
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pty_config.hold,
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pty_options.hold,
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false,
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);
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//Kick things off
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let pty_tx = event_loop.channel();
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let _io_thread = event_loop.spawn();
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let _io_thread = event_loop.spawn(); // DANGER
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let url_regex = RegexSearch::new(r#"(ipfs:|ipns:|magnet:|mailto:|gemini://|gopher://|https://|http://|news:|file://|git://|ssh:|ftp://)[^\u{0000}-\u{001F}\u{007F}-\u{009F}<>"\s{-}\^⟨⟩`]+"#).unwrap();
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let word_regex = RegexSearch::new(r#"[\w.\[\]:/@\-~]+"#).unwrap();
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let terminal = Terminal {
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pty_tx: Notifier(pty_tx),
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@ -396,6 +386,8 @@ impl TerminalBuilder {
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selection_phase: SelectionPhase::Ended,
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cmd_pressed: false,
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hovered_word: false,
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url_regex,
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word_regex,
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};
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Ok(TerminalBuilder {
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@ -514,7 +506,7 @@ impl Default for TerminalContent {
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selection_text: Default::default(),
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selection: Default::default(),
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cursor: RenderableCursor {
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shape: alacritty_terminal::ansi::CursorShape::Block,
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shape: alacritty_terminal::vte::ansi::CursorShape::Block,
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point: AlacPoint::new(Line(0), Column(0)),
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},
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cursor_char: Default::default(),
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@ -550,6 +542,8 @@ pub struct Terminal {
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selection_phase: SelectionPhase,
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cmd_pressed: bool,
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hovered_word: bool,
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url_regex: RegexSearch,
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word_regex: RegexSearch,
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}
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impl Terminal {
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@ -760,7 +754,7 @@ impl Terminal {
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let url_match = min_index..=max_index;
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Some((url, true, url_match))
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} else if let Some(word_match) = regex_match_at(term, point, &WORD_REGEX) {
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} else if let Some(word_match) = regex_match_at(term, point, &mut self.word_regex) {
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let maybe_url_or_path =
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term.bounds_to_string(*word_match.start(), *word_match.end());
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let original_match = word_match.clone();
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@ -777,7 +771,7 @@ impl Terminal {
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(word_match, maybe_url_or_path)
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};
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let is_url = match regex_match_at(term, point, &URL_REGEX) {
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let is_url = match regex_match_at(term, point, &mut self.url_regex) {
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Some(url_match) => {
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// `]` is a valid symbol in the `file://` URL, so the regex match will include it
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// consider that when ensuring that the URL match is the same as the original word
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@ -1275,14 +1269,14 @@ impl Terminal {
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pub fn find_matches(
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&mut self,
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searcher: RegexSearch,
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mut searcher: RegexSearch,
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cx: &mut ModelContext<Self>,
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) -> Task<Vec<RangeInclusive<AlacPoint>>> {
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let term = self.term.clone();
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cx.background_executor().spawn(async move {
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let term = term.lock();
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all_search_matches(&term, &searcher).collect()
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all_search_matches(&term, &mut searcher).collect()
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})
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}
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@ -1332,7 +1326,7 @@ impl EventEmitter<Event> for Terminal {}
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/// Based on alacritty/src/display/hint.rs > regex_match_at
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/// Retrieve the match, if the specified point is inside the content matching the regex.
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fn regex_match_at<T>(term: &Term<T>, point: AlacPoint, regex: &RegexSearch) -> Option<Match> {
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fn regex_match_at<T>(term: &Term<T>, point: AlacPoint, regex: &mut RegexSearch) -> Option<Match> {
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visible_regex_match_iter(term, regex).find(|rm| rm.contains(&point))
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}
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@ -1340,7 +1334,7 @@ fn regex_match_at<T>(term: &Term<T>, point: AlacPoint, regex: &RegexSearch) -> O
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/// Iterate over all visible regex matches.
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pub fn visible_regex_match_iter<'a, T>(
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term: &'a Term<T>,
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regex: &'a RegexSearch,
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regex: &'a mut RegexSearch,
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) -> impl Iterator<Item = Match> + 'a {
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let viewport_start = Line(-(term.grid().display_offset() as i32));
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let viewport_end = viewport_start + term.bottommost_line();
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@ -1362,7 +1356,7 @@ fn make_selection(range: &RangeInclusive<AlacPoint>) -> Selection {
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fn all_search_matches<'a, T>(
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term: &'a Term<T>,
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regex: &'a RegexSearch,
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regex: &'a mut RegexSearch,
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) -> impl Iterator<Item = Match> + 'a {
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let start = AlacPoint::new(term.grid().topmost_line(), Column(0));
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let end = AlacPoint::new(term.grid().bottommost_line(), term.grid().last_column());
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