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Pull out buffer into its own crate

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This commit is contained in:
Antonio Scandurra 2021-10-04 16:50:12 +02:00
parent 034aed053c
commit becae9feee
27 changed files with 776 additions and 657 deletions
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27
Cargo.lock generated
View File

@ -742,6 +742,29 @@ dependencies = [
"memchr",
]
[[package]]
name = "buffer"
version = "0.1.0"
dependencies = [
"anyhow",
"arrayvec 0.7.1",
"clock",
"gpui",
"lazy_static",
"log",
"parking_lot",
"rand 0.8.3",
"seahash",
"serde 1.0.125",
"similar",
"smallvec",
"sum_tree",
"tree-sitter",
"tree-sitter-rust",
"unindent",
"zrpc",
]
[[package]]
name = "build_const"
version = "0.2.2"
@ -5912,10 +5935,10 @@ name = "zed"
version = "0.1.0"
dependencies = [
"anyhow",
"arrayvec 0.7.1",
"async-recursion",
"async-trait",
"async-tungstenite",
"buffer",
"cargo-bundle",
"clock",
"crossbeam-channel",
@ -5941,11 +5964,9 @@ dependencies = [
"rand 0.8.3",
"rsa",
"rust-embed",
"seahash",
"serde 1.0.125",
"serde_json 1.0.64",
"serde_path_to_error",
"similar",
"simplelog",
"smallvec",
"smol",

1
Cargo.toml
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@ -1,5 +1,6 @@
[workspace]
members = [
"buffer",
"clock",
"fsevent",
"fuzzy",

29
buffer/Cargo.toml Normal file
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@ -0,0 +1,29 @@
[package]
name = "buffer"
version = "0.1.0"
edition = "2018"
[features]
test-support = ["rand"]
[dependencies]
anyhow = "1.0.38"
arrayvec = "0.7.1"
clock = { path = "../clock" }
gpui = { path = "../gpui" }
lazy_static = "1.4"
log = "0.4"
parking_lot = "0.11.1"
rand = { version = "0.8.3", optional = true }
seahash = "4.1"
serde = { version = "1", features = ["derive"] }
similar = "1.3"
smallvec = { version = "1.6", features = ["union"] }
sum_tree = { path = "../sum_tree" }
tree-sitter = "0.19.5"
zrpc = { path = "../zrpc" }
[dev-dependencies]
rand = "0.8.3"
tree-sitter-rust = "0.19.0"
unindent = "0.1.7"

2
zed/src/editor/buffer/anchor.rs → buffer/src/anchor.rs
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@ -1,7 +1,7 @@
use super::{Buffer, Content};
use crate::util::Bias;
use anyhow::Result;
use std::{cmp::Ordering, ops::Range};
use sum_tree::Bias;
#[derive(Clone, Eq, PartialEq, Debug, Hash)]
pub struct Anchor {

2
zed/src/theme/highlight_map.rs → buffer/src/highlight_map.rs
View File

@ -1,4 +1,4 @@
use super::SyntaxTheme;
use crate::syntax_theme::SyntaxTheme;
use std::sync::Arc;
#[derive(Clone, Debug)]

40
buffer/src/language.rs Normal file
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@ -0,0 +1,40 @@
use crate::{HighlightMap, SyntaxTheme};
use parking_lot::Mutex;
use serde::Deserialize;
use std::str;
use tree_sitter::{Language as Grammar, Query};
pub use tree_sitter::{Parser, Tree};
#[derive(Default, Deserialize)]
pub struct LanguageConfig {
pub name: String,
pub path_suffixes: Vec<String>,
}
#[derive(Deserialize)]
pub struct BracketPair {
pub start: String,
pub end: String,
}
pub struct Language {
pub config: LanguageConfig,
pub grammar: Grammar,
pub highlight_query: Query,
pub brackets_query: Query,
pub highlight_map: Mutex<HighlightMap>,
}
impl Language {
pub fn name(&self) -> &str {
self.config.name.as_str()
}
pub fn highlight_map(&self) -> HighlightMap {
self.highlight_map.lock().clone()
}
pub fn set_theme(&self, theme: &SyntaxTheme) {
*self.highlight_map.lock() = HighlightMap::new(self.highlight_query.capture_names(), theme);
}
}

668
zed/src/editor/buffer.rs → buffer/src/lib.rs
View File

@ -1,18 +1,21 @@
mod anchor;
mod highlight_map;
mod language;
mod operation_queue;
mod point;
#[cfg(any(test, feature = "test-support"))]
pub mod random_char_iter;
pub mod rope;
mod selection;
mod syntax_theme;
use crate::{
language::{Language, Tree},
settings::{HighlightId, HighlightMap},
util::Bias,
};
pub use anchor::*;
use anyhow::{anyhow, Result};
use clock::ReplicaId;
use gpui::{AppContext, Entity, ModelContext, MutableAppContext, Task};
pub use highlight_map::{HighlightId, HighlightMap};
use language::Tree;
pub use language::{Language, LanguageConfig};
use lazy_static::lazy_static;
use operation_queue::OperationQueue;
use parking_lot::Mutex;
@ -35,7 +38,8 @@ use std::{
sync::Arc,
time::{Duration, Instant, SystemTime, UNIX_EPOCH},
};
use sum_tree::{self, FilterCursor, SumTree};
use sum_tree::{self, Bias, FilterCursor, SumTree};
pub use syntax_theme::SyntaxTheme;
use tree_sitter::{InputEdit, Parser, QueryCursor};
use zrpc::proto;
@ -90,16 +94,16 @@ impl BuildHasher for DeterministicState {
}
}
#[cfg(test)]
#[cfg(any(test, feature = "test-support"))]
type HashMap<K, V> = std::collections::HashMap<K, V, DeterministicState>;
#[cfg(test)]
#[cfg(any(test, feature = "test-support"))]
type HashSet<T> = std::collections::HashSet<T, DeterministicState>;
#[cfg(not(test))]
#[cfg(not(any(test, feature = "test-support")))]
type HashMap<K, V> = std::collections::HashMap<K, V>;
#[cfg(not(test))]
#[cfg(not(any(test, feature = "test-support")))]
type HashSet<T> = std::collections::HashSet<T>;
thread_local! {
@ -858,7 +862,7 @@ impl Buffer {
}
}
#[cfg(test)]
#[cfg(any(test, feature = "test-support"))]
pub fn is_parsing(&self) -> bool {
self.parsing_in_background
}
@ -1957,6 +1961,170 @@ impl Buffer {
}
}
#[cfg(any(test, feature = "test-support"))]
impl Buffer {
fn random_byte_range(&mut self, start_offset: usize, rng: &mut impl rand::Rng) -> Range<usize> {
let end = self.clip_offset(rng.gen_range(start_offset..=self.len()), Bias::Right);
let start = self.clip_offset(rng.gen_range(start_offset..=end), Bias::Right);
start..end
}
pub fn randomly_edit<T>(
&mut self,
rng: &mut T,
old_range_count: usize,
cx: &mut ModelContext<Self>,
) -> (Vec<Range<usize>>, String)
where
T: rand::Rng,
{
let mut old_ranges: Vec<Range<usize>> = Vec::new();
for _ in 0..old_range_count {
let last_end = old_ranges.last().map_or(0, |last_range| last_range.end + 1);
if last_end > self.len() {
break;
}
old_ranges.push(self.random_byte_range(last_end, rng));
}
let new_text_len = rng.gen_range(0..10);
let new_text: String = crate::random_char_iter::RandomCharIter::new(&mut *rng)
.take(new_text_len)
.collect();
log::info!(
"mutating buffer {} at {:?}: {:?}",
self.replica_id,
old_ranges,
new_text
);
self.edit(old_ranges.iter().cloned(), new_text.as_str(), cx);
(old_ranges, new_text)
}
pub fn randomly_mutate<T>(
&mut self,
rng: &mut T,
cx: &mut ModelContext<Self>,
) -> (Vec<Range<usize>>, String)
where
T: rand::Rng,
{
use rand::prelude::*;
let (old_ranges, new_text) = self.randomly_edit(rng, 5, cx);
// Randomly add, remove or mutate selection sets.
let replica_selection_sets = &self
.selection_sets()
.map(|(set_id, _)| *set_id)
.filter(|set_id| self.replica_id == set_id.replica_id)
.collect::<Vec<_>>();
let set_id = replica_selection_sets.choose(rng);
if set_id.is_some() && rng.gen_bool(1.0 / 6.0) {
self.remove_selection_set(*set_id.unwrap(), cx).unwrap();
} else {
let mut ranges = Vec::new();
for _ in 0..5 {
ranges.push(self.random_byte_range(0, rng));
}
let new_selections = self.selections_from_ranges(ranges).unwrap();
if set_id.is_none() || rng.gen_bool(1.0 / 5.0) {
self.add_selection_set(new_selections, cx);
} else {
self.update_selection_set(*set_id.unwrap(), new_selections, cx)
.unwrap();
}
}
(old_ranges, new_text)
}
pub fn randomly_undo_redo(&mut self, rng: &mut impl rand::Rng, cx: &mut ModelContext<Self>) {
use rand::prelude::*;
for _ in 0..rng.gen_range(1..=5) {
if let Some(transaction) = self.history.undo_stack.choose(rng).cloned() {
log::info!(
"undoing buffer {} transaction {:?}",
self.replica_id,
transaction
);
self.undo_or_redo(transaction, cx).unwrap();
}
}
}
fn selections_from_ranges<I>(&self, ranges: I) -> Result<Vec<Selection>>
where
I: IntoIterator<Item = Range<usize>>,
{
use std::sync::atomic::{self, AtomicUsize};
static NEXT_SELECTION_ID: AtomicUsize = AtomicUsize::new(0);
let mut ranges = ranges.into_iter().collect::<Vec<_>>();
ranges.sort_unstable_by_key(|range| range.start);
let mut selections = Vec::with_capacity(ranges.len());
for range in ranges {
if range.start > range.end {
selections.push(Selection {
id: NEXT_SELECTION_ID.fetch_add(1, atomic::Ordering::SeqCst),
start: self.anchor_before(range.end),
end: self.anchor_before(range.start),
reversed: true,
goal: SelectionGoal::None,
});
} else {
selections.push(Selection {
id: NEXT_SELECTION_ID.fetch_add(1, atomic::Ordering::SeqCst),
start: self.anchor_after(range.start),
end: self.anchor_before(range.end),
reversed: false,
goal: SelectionGoal::None,
});
}
}
Ok(selections)
}
pub fn selection_ranges<'a>(&'a self, set_id: SelectionSetId) -> Result<Vec<Range<usize>>> {
Ok(self
.selection_set(set_id)?
.selections
.iter()
.map(move |selection| {
let start = selection.start.to_offset(self);
let end = selection.end.to_offset(self);
if selection.reversed {
end..start
} else {
start..end
}
})
.collect())
}
pub fn all_selection_ranges<'a>(
&'a self,
) -> impl 'a + Iterator<Item = (SelectionSetId, Vec<Range<usize>>)> {
self.selections
.keys()
.map(move |set_id| (*set_id, self.selection_ranges(*set_id).unwrap()))
}
pub fn enclosing_bracket_point_ranges<T: ToOffset>(
&self,
range: Range<T>,
) -> Option<(Range<Point>, Range<Point>)> {
self.enclosing_bracket_ranges(range).map(|(start, end)| {
let point_start = start.start.to_point(self)..start.end.to_point(self);
let point_end = end.start.to_point(self)..end.end.to_point(self);
(point_start, point_end)
})
}
}
impl Clone for Buffer {
fn clone(&self) -> Self {
Self {
@ -2947,26 +3115,12 @@ impl ToPoint for usize {
#[cfg(test)]
mod tests {
use crate::random_char_iter::RandomCharIter;
use super::*;
use crate::{
fs::RealFs,
language::LanguageRegistry,
rpc,
test::temp_tree,
util::RandomCharIter,
worktree::{Worktree, WorktreeHandle as _},
};
use gpui::ModelHandle;
use rand::prelude::*;
use serde_json::json;
use std::{
cell::RefCell,
cmp::Ordering,
env, fs, mem,
path::Path,
rc::Rc,
sync::atomic::{self, AtomicUsize},
};
use std::{cell::RefCell, cmp::Ordering, env, mem, rc::Rc};
#[gpui::test]
fn test_edit(cx: &mut gpui::MutableAppContext) {
@ -3410,228 +3564,6 @@ mod tests {
});
}
#[gpui::test]
async fn test_is_dirty(mut cx: gpui::TestAppContext) {
let dir = temp_tree(json!({
"file1": "abc",
"file2": "def",
"file3": "ghi",
}));
let tree = Worktree::open_local(
rpc::Client::new(),
dir.path(),
Arc::new(RealFs),
Default::default(),
&mut cx.to_async(),
)
.await
.unwrap();
tree.flush_fs_events(&cx).await;
cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
.await;
let buffer1 = tree
.update(&mut cx, |tree, cx| tree.open_buffer("file1", cx))
.await
.unwrap();
let events = Rc::new(RefCell::new(Vec::new()));
// initially, the buffer isn't dirty.
buffer1.update(&mut cx, |buffer, cx| {
cx.subscribe(&buffer1, {
let events = events.clone();
move |_, _, event, _| events.borrow_mut().push(event.clone())
})
.detach();
assert!(!buffer.is_dirty());
assert!(events.borrow().is_empty());
buffer.edit(vec![1..2], "", cx);
});
// after the first edit, the buffer is dirty, and emits a dirtied event.
buffer1.update(&mut cx, |buffer, cx| {
assert!(buffer.text() == "ac");
assert!(buffer.is_dirty());
assert_eq!(*events.borrow(), &[Event::Edited, Event::Dirtied]);
events.borrow_mut().clear();
buffer.did_save(buffer.version(), buffer.file().unwrap().mtime(), None, cx);
});
// after saving, the buffer is not dirty, and emits a saved event.
buffer1.update(&mut cx, |buffer, cx| {
assert!(!buffer.is_dirty());
assert_eq!(*events.borrow(), &[Event::Saved]);
events.borrow_mut().clear();
buffer.edit(vec![1..1], "B", cx);
buffer.edit(vec![2..2], "D", cx);
});
// after editing again, the buffer is dirty, and emits another dirty event.
buffer1.update(&mut cx, |buffer, cx| {
assert!(buffer.text() == "aBDc");
assert!(buffer.is_dirty());
assert_eq!(
*events.borrow(),
&[Event::Edited, Event::Dirtied, Event::Edited],
);
events.borrow_mut().clear();
// TODO - currently, after restoring the buffer to its
// previously-saved state, the is still considered dirty.
buffer.edit(vec![1..3], "", cx);
assert!(buffer.text() == "ac");
assert!(buffer.is_dirty());
});
assert_eq!(*events.borrow(), &[Event::Edited]);
// When a file is deleted, the buffer is considered dirty.
let events = Rc::new(RefCell::new(Vec::new()));
let buffer2 = tree
.update(&mut cx, |tree, cx| tree.open_buffer("file2", cx))
.await
.unwrap();
buffer2.update(&mut cx, |_, cx| {
cx.subscribe(&buffer2, {
let events = events.clone();
move |_, _, event, _| events.borrow_mut().push(event.clone())
})
.detach();
});
fs::remove_file(dir.path().join("file2")).unwrap();
buffer2.condition(&cx, |b, _| b.is_dirty()).await;
assert_eq!(
*events.borrow(),
&[Event::Dirtied, Event::FileHandleChanged]
);
// When a file is already dirty when deleted, we don't emit a Dirtied event.
let events = Rc::new(RefCell::new(Vec::new()));
let buffer3 = tree
.update(&mut cx, |tree, cx| tree.open_buffer("file3", cx))
.await
.unwrap();
buffer3.update(&mut cx, |_, cx| {
cx.subscribe(&buffer3, {
let events = events.clone();
move |_, _, event, _| events.borrow_mut().push(event.clone())
})
.detach();
});
tree.flush_fs_events(&cx).await;
buffer3.update(&mut cx, |buffer, cx| {
buffer.edit(Some(0..0), "x", cx);
});
events.borrow_mut().clear();
fs::remove_file(dir.path().join("file3")).unwrap();
buffer3
.condition(&cx, |_, _| !events.borrow().is_empty())
.await;
assert_eq!(*events.borrow(), &[Event::FileHandleChanged]);
cx.read(|cx| assert!(buffer3.read(cx).is_dirty()));
}
#[gpui::test]
async fn test_file_changes_on_disk(mut cx: gpui::TestAppContext) {
let initial_contents = "aaa\nbbbbb\nc\n";
let dir = temp_tree(json!({ "the-file": initial_contents }));
let tree = Worktree::open_local(
rpc::Client::new(),
dir.path(),
Arc::new(RealFs),
Default::default(),
&mut cx.to_async(),
)
.await
.unwrap();
cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
.await;
let abs_path = dir.path().join("the-file");
let buffer = tree
.update(&mut cx, |tree, cx| {
tree.open_buffer(Path::new("the-file"), cx)
})
.await
.unwrap();
// Add a cursor at the start of each row.
let selection_set_id = buffer.update(&mut cx, |buffer, cx| {
assert!(!buffer.is_dirty());
buffer.add_selection_set(
(0..3)
.map(|row| {
let anchor = buffer.anchor_at(Point::new(row, 0), Bias::Right);
Selection {
id: row as usize,
start: anchor.clone(),
end: anchor,
reversed: false,
goal: SelectionGoal::None,
}
})
.collect::<Vec<_>>(),
cx,
)
});
// Change the file on disk, adding two new lines of text, and removing
// one line.
buffer.read_with(&cx, |buffer, _| {
assert!(!buffer.is_dirty());
assert!(!buffer.has_conflict());
});
let new_contents = "AAAA\naaa\nBB\nbbbbb\n";
fs::write(&abs_path, new_contents).unwrap();
// Because the buffer was not modified, it is reloaded from disk. Its
// contents are edited according to the diff between the old and new
// file contents.
buffer
.condition(&cx, |buffer, _| buffer.text() != initial_contents)
.await;
buffer.update(&mut cx, |buffer, _| {
assert_eq!(buffer.text(), new_contents);
assert!(!buffer.is_dirty());
assert!(!buffer.has_conflict());
let set = buffer.selection_set(selection_set_id).unwrap();
let cursor_positions = set
.selections
.iter()
.map(|selection| {
assert_eq!(selection.start, selection.end);
selection.start.to_point(&*buffer)
})
.collect::<Vec<_>>();
assert_eq!(
cursor_positions,
&[Point::new(1, 0), Point::new(3, 0), Point::new(4, 0),]
);
});
// Modify the buffer
buffer.update(&mut cx, |buffer, cx| {
buffer.edit(vec![0..0], " ", cx);
assert!(buffer.is_dirty());
});
// Change the file on disk again, adding blank lines to the beginning.
fs::write(&abs_path, "\n\n\nAAAA\naaa\nBB\nbbbbb\n").unwrap();
// Becaues the buffer is modified, it doesn't reload from disk, but is
// marked as having a conflict.
buffer
.condition(&cx, |buffer, _| buffer.has_conflict())
.await;
}
#[gpui::test]
async fn test_apply_diff(mut cx: gpui::TestAppContext) {
let text = "a\nbb\nccc\ndddd\neeeee\nffffff\n";
@ -3800,8 +3732,6 @@ mod tests {
#[gpui::test(iterations = 100)]
fn test_random_concurrent_edits(cx: &mut gpui::MutableAppContext, mut rng: StdRng) {
use crate::test::Network;
let peers = env::var("PEERS")
.map(|i| i.parse().expect("invalid `PEERS` variable"))
.unwrap_or(5);
@ -3889,13 +3819,10 @@ mod tests {
#[gpui::test]
async fn test_reparse(mut cx: gpui::TestAppContext) {
let languages = LanguageRegistry::new();
let rust_lang = languages.select_language("test.rs");
assert!(rust_lang.is_some());
let rust_lang = rust_lang();
let buffer = cx.add_model(|cx| {
let text = "fn a() {}".into();
Buffer::from_history(0, History::new(text), None, rust_lang.cloned(), cx)
Buffer::from_history(0, History::new(text), None, Some(rust_lang.clone()), cx)
});
// Wait for the initial text to parse
@ -4031,10 +3958,7 @@ mod tests {
async fn test_enclosing_bracket_ranges(mut cx: gpui::TestAppContext) {
use unindent::Unindent as _;
let languages = LanguageRegistry::new();
let rust_lang = languages.select_language("test.rs");
assert!(rust_lang.is_some());
let rust_lang = rust_lang();
let buffer = cx.add_model(|cx| {
let text = "
mod x {
@ -4045,7 +3969,7 @@ mod tests {
"
.unindent()
.into();
Buffer::from_history(0, History::new(text), None, rust_lang.cloned(), cx)
Buffer::from_history(0, History::new(text), None, Some(rust_lang.clone()), cx)
});
buffer
.condition(&cx, |buffer, _| !buffer.is_parsing())
@ -4075,158 +3999,98 @@ mod tests {
});
}
impl Buffer {
fn random_byte_range(&mut self, start_offset: usize, rng: &mut impl Rng) -> Range<usize> {
let end = self.clip_offset(rng.gen_range(start_offset..=self.len()), Bias::Right);
let start = self.clip_offset(rng.gen_range(start_offset..=end), Bias::Right);
start..end
}
#[derive(Clone)]
struct Envelope<T: Clone> {
message: T,
sender: ReplicaId,
}
pub fn randomly_edit<T>(
&mut self,
rng: &mut T,
old_range_count: usize,
cx: &mut ModelContext<Self>,
) -> (Vec<Range<usize>>, String)
where
T: Rng,
{
let mut old_ranges: Vec<Range<usize>> = Vec::new();
for _ in 0..old_range_count {
let last_end = old_ranges.last().map_or(0, |last_range| last_range.end + 1);
if last_end > self.len() {
break;
}
old_ranges.push(self.random_byte_range(last_end, rng));
}
let new_text_len = rng.gen_range(0..10);
let new_text: String = RandomCharIter::new(&mut *rng).take(new_text_len).collect();
log::info!(
"mutating buffer {} at {:?}: {:?}",
self.replica_id,
old_ranges,
new_text
);
self.edit(old_ranges.iter().cloned(), new_text.as_str(), cx);
(old_ranges, new_text)
}
struct Network<T: Clone, R: rand::Rng> {
inboxes: std::collections::BTreeMap<ReplicaId, Vec<Envelope<T>>>,
all_messages: Vec<T>,
rng: R,
}
pub fn randomly_mutate<T>(
&mut self,
rng: &mut T,
cx: &mut ModelContext<Self>,
) -> (Vec<Range<usize>>, String)
where
T: Rng,
{
let (old_ranges, new_text) = self.randomly_edit(rng, 5, cx);
// Randomly add, remove or mutate selection sets.
let replica_selection_sets = &self
.selection_sets()
.map(|(set_id, _)| *set_id)
.filter(|set_id| self.replica_id == set_id.replica_id)
.collect::<Vec<_>>();
let set_id = replica_selection_sets.choose(rng);
if set_id.is_some() && rng.gen_bool(1.0 / 6.0) {
self.remove_selection_set(*set_id.unwrap(), cx).unwrap();
} else {
let mut ranges = Vec::new();
for _ in 0..5 {
ranges.push(self.random_byte_range(0, rng));
}
let new_selections = self.selections_from_ranges(ranges).unwrap();
if set_id.is_none() || rng.gen_bool(1.0 / 5.0) {
self.add_selection_set(new_selections, cx);
} else {
self.update_selection_set(*set_id.unwrap(), new_selections, cx)
.unwrap();
}
}
(old_ranges, new_text)
}
pub fn randomly_undo_redo(&mut self, rng: &mut impl Rng, cx: &mut ModelContext<Self>) {
for _ in 0..rng.gen_range(1..=5) {
if let Some(transaction) = self.history.undo_stack.choose(rng).cloned() {
log::info!(
"undoing buffer {} transaction {:?}",
self.replica_id,
transaction
);
self.undo_or_redo(transaction, cx).unwrap();
}
impl<T: Clone, R: rand::Rng> Network<T, R> {
fn new(rng: R) -> Self {
Network {
inboxes: Default::default(),
all_messages: Vec::new(),
rng,
}
}
fn selections_from_ranges<I>(&self, ranges: I) -> Result<Vec<Selection>>
where
I: IntoIterator<Item = Range<usize>>,
{
static NEXT_SELECTION_ID: AtomicUsize = AtomicUsize::new(0);
let mut ranges = ranges.into_iter().collect::<Vec<_>>();
ranges.sort_unstable_by_key(|range| range.start);
let mut selections = Vec::with_capacity(ranges.len());
for range in ranges {
if range.start > range.end {
selections.push(Selection {
id: NEXT_SELECTION_ID.fetch_add(1, atomic::Ordering::SeqCst),
start: self.anchor_before(range.end),
end: self.anchor_before(range.start),
reversed: true,
goal: SelectionGoal::None,
});
} else {
selections.push(Selection {
id: NEXT_SELECTION_ID.fetch_add(1, atomic::Ordering::SeqCst),
start: self.anchor_after(range.start),
end: self.anchor_before(range.end),
reversed: false,
goal: SelectionGoal::None,
});
}
}
Ok(selections)
fn add_peer(&mut self, id: ReplicaId) {
self.inboxes.insert(id, Vec::new());
}
pub fn selection_ranges<'a>(&'a self, set_id: SelectionSetId) -> Result<Vec<Range<usize>>> {
Ok(self
.selection_set(set_id)?
.selections
.iter()
.map(move |selection| {
let start = selection.start.to_offset(self);
let end = selection.end.to_offset(self);
if selection.reversed {
end..start
} else {
start..end
fn is_idle(&self) -> bool {
self.inboxes.values().all(|i| i.is_empty())
}
fn broadcast(&mut self, sender: ReplicaId, messages: Vec<T>) {
for (replica, inbox) in self.inboxes.iter_mut() {
if *replica != sender {
for message in &messages {
let min_index = inbox
.iter()
.enumerate()
.rev()
.find_map(|(index, envelope)| {
if sender == envelope.sender {
Some(index + 1)
} else {
None
}
})
.unwrap_or(0);
// Insert one or more duplicates of this message *after* the previous
// message delivered by this replica.
for _ in 0..self.rng.gen_range(1..4) {
let insertion_index = self.rng.gen_range(min_index..inbox.len() + 1);
inbox.insert(
insertion_index,
Envelope {
message: message.clone(),
sender,
},
);
}
}
})
.collect())
}
}
self.all_messages.extend(messages);
}
pub fn all_selection_ranges<'a>(
&'a self,
) -> impl 'a + Iterator<Item = (SelectionSetId, Vec<Range<usize>>)> {
self.selections
.keys()
.map(move |set_id| (*set_id, self.selection_ranges(*set_id).unwrap()))
fn has_unreceived(&self, receiver: ReplicaId) -> bool {
!self.inboxes[&receiver].is_empty()
}
pub fn enclosing_bracket_point_ranges<T: ToOffset>(
&self,
range: Range<T>,
) -> Option<(Range<Point>, Range<Point>)> {
self.enclosing_bracket_ranges(range).map(|(start, end)| {
let point_start = start.start.to_point(self)..start.end.to_point(self);
let point_end = end.start.to_point(self)..end.end.to_point(self);
(point_start, point_end)
})
fn receive(&mut self, receiver: ReplicaId) -> Vec<T> {
let inbox = self.inboxes.get_mut(&receiver).unwrap();
let count = self.rng.gen_range(0..inbox.len() + 1);
inbox
.drain(0..count)
.map(|envelope| envelope.message)
.collect()
}
}
fn rust_lang() -> Arc<Language> {
let lang = tree_sitter_rust::language();
let brackets_query = r#"
("{" @open "}" @close)
"#;
Arc::new(Language {
config: LanguageConfig {
name: "Rust".to_string(),
path_suffixes: vec!["rs".to_string()],
},
grammar: tree_sitter_rust::language(),
highlight_query: tree_sitter::Query::new(lang.clone(), "").unwrap(),
brackets_query: tree_sitter::Query::new(lang.clone(), brackets_query).unwrap(),
highlight_map: Default::default(),
})
}
}

0
zed/src/editor/buffer/operation_queue.rs → buffer/src/operation_queue.rs
View File

0
zed/src/editor/buffer/point.rs → buffer/src/point.rs
View File

28
buffer/src/random_char_iter.rs Normal file
View File

@ -0,0 +1,28 @@
use rand::prelude::*;
pub struct RandomCharIter<T: Rng>(T);
impl<T: Rng> RandomCharIter<T> {
pub fn new(rng: T) -> Self {
Self(rng)
}
}
impl<T: Rng> Iterator for RandomCharIter<T> {
type Item = char;
fn next(&mut self) -> Option<Self::Item> {
match self.0.gen_range(0..100) {
// whitespace
0..=19 => [' ', '\n', '\t'].choose(&mut self.0).copied(),
// two-byte greek letters
20..=32 => char::from_u32(self.0.gen_range(('α' as u32)..('ω' as u32 + 1))),
// three-byte characters
33..=45 => ['✋', '✅', '❌', '❎', '⭐'].choose(&mut self.0).copied(),
// four-byte characters
46..=58 => ['🍐', '🏀', '🍗', '🎉'].choose(&mut self.0).copied(),
// ascii letters
_ => Some(self.0.gen_range(b'a'..b'z' + 1).into()),
}
}
}

5
zed/src/editor/buffer/rope.rs → buffer/src/rope.rs
View File

@ -1,9 +1,8 @@
use super::Point;
use crate::util::Bias;
use arrayvec::ArrayString;
use smallvec::SmallVec;
use std::{cmp, ops::Range, str};
use sum_tree::{self, SumTree};
use sum_tree::{self, Bias, SumTree};
#[cfg(test)]
const CHUNK_BASE: usize = 6;
@ -520,7 +519,7 @@ fn find_split_ix(text: &str) -> usize {
#[cfg(test)]
mod tests {
use super::*;
use crate::util::RandomCharIter;
use crate::random_char_iter::RandomCharIter;
use rand::prelude::*;
use std::env;
use Bias::{Left, Right};

44
zed/src/editor/buffer/selection.rs → buffer/src/selection.rs
View File

@ -1,7 +1,4 @@
use crate::editor::{
buffer::{Anchor, Buffer, Point, ToOffset as _, ToPoint as _},
Bias, DisplayMapSnapshot, DisplayPoint,
};
use crate::{Anchor, Buffer, Point, ToOffset as _, ToPoint as _};
use std::{cmp::Ordering, mem, ops::Range};
pub type SelectionSetId = clock::Lamport;
@ -14,11 +11,6 @@ pub enum SelectionGoal {
ColumnRange { start: u32, end: u32 },
}
pub struct SpannedRows {
pub buffer_rows: Range<u32>,
pub display_rows: Range<u32>,
}
#[derive(Clone, Debug, Eq, PartialEq)]
pub struct Selection {
pub id: usize,
@ -80,38 +72,4 @@ impl Selection {
start..end
}
}
pub fn display_range(&self, map: &DisplayMapSnapshot) -> Range<DisplayPoint> {
let start = self.start.to_display_point(map, Bias::Left);
let end = self.end.to_display_point(map, Bias::Left);
if self.reversed {
end..start
} else {
start..end
}
}
pub fn spanned_rows(
&self,
include_end_if_at_line_start: bool,
map: &DisplayMapSnapshot,
) -> SpannedRows {
let display_start = self.start.to_display_point(map, Bias::Left);
let mut display_end = self.end.to_display_point(map, Bias::Right);
if !include_end_if_at_line_start
&& display_end.row() != map.max_point().row()
&& display_start.row() != display_end.row()
&& display_end.column() == 0
{
*display_end.row_mut() -= 1;
}
let (display_start, buffer_start) = map.prev_row_boundary(display_start);
let (display_end, buffer_end) = map.next_row_boundary(display_end);
SpannedRows {
buffer_rows: buffer_start.row..buffer_end.row + 1,
display_rows: display_start.row()..display_end.row() + 1,
}
}
}

49
buffer/src/syntax_theme.rs Normal file
View File

@ -0,0 +1,49 @@
use std::collections::HashMap;
use crate::HighlightId;
use gpui::fonts::HighlightStyle;
use serde::Deserialize;
pub struct SyntaxTheme {
pub(crate) highlights: Vec<(String, HighlightStyle)>,
}
impl SyntaxTheme {
pub fn new(highlights: Vec<(String, HighlightStyle)>) -> Self {
Self { highlights }
}
pub fn highlight_style(&self, id: HighlightId) -> Option<HighlightStyle> {
self.highlights
.get(id.0 as usize)
.map(|entry| entry.1.clone())
}
#[cfg(any(test, feature = "test-support"))]
pub fn highlight_name(&self, id: HighlightId) -> Option<&str> {
self.highlights.get(id.0 as usize).map(|e| e.0.as_str())
}
}
impl<'de> Deserialize<'de> for SyntaxTheme {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
let syntax_data: HashMap<String, HighlightStyle> = Deserialize::deserialize(deserializer)?;
let mut result = Self::new(Vec::new());
for (key, style) in syntax_data {
match result
.highlights
.binary_search_by(|(needle, _)| needle.cmp(&key))
{
Ok(i) | Err(i) => {
result.highlights.insert(i, (key, style));
}
}
}
Ok(result)
}
}

12
zed/Cargo.toml
View File

@ -14,14 +14,19 @@ name = "Zed"
path = "src/main.rs"
[features]
test-support = ["tempdir", "zrpc/test-support", "gpui/test-support"]
test-support = [
"buffer/test-support",
"gpui/test-support",
"tempdir",
"zrpc/test-support",
]
[dependencies]
anyhow = "1.0.38"
async-recursion = "0.3"
async-trait = "0.1"
arrayvec = "0.7.1"
async-tungstenite = { version = "0.14", features = ["async-tls"] }
buffer = { path = "../buffer" }
clock = { path = "../clock" }
crossbeam-channel = "0.5.0"
ctor = "0.1.20"
@ -45,11 +50,9 @@ postage = { version = "0.4.1", features = ["futures-traits"] }
rand = "0.8.3"
rsa = "0.4"
rust-embed = { version = "6.2", features = ["include-exclude"] }
seahash = "4.1"
serde = { version = "1", features = ["derive"] }
serde_json = { version = "1.0.64", features = ["preserve_order"] }
serde_path_to_error = "0.1.4"
similar = "1.3"
simplelog = "0.9"
smallvec = { version = "1.6", features = ["union"] }
smol = "1.2.5"
@ -71,6 +74,7 @@ env_logger = "0.8"
serde_json = { version = "1.0.64", features = ["preserve_order"] }
tempdir = { version = "0.3.7" }
unindent = "0.1.7"
buffer = { path = "../buffer", features = ["test-support"] }
zrpc = { path = "../zrpc", features = ["test-support"] }
gpui = { path = "../gpui", features = ["test-support"] }

54
zed/src/editor.rs
View File

@ -1,10 +1,8 @@
pub mod buffer;
pub mod display_map;
mod element;
pub mod movement;
use crate::{
language::Language,
project::ProjectPath,
settings::Settings,
theme::Theme,
@ -13,7 +11,7 @@ use crate::{
worktree::Worktree,
};
use anyhow::Result;
pub use buffer::*;
use buffer::*;
use clock::ReplicaId;
pub use display_map::DisplayPoint;
use display_map::*;
@ -251,6 +249,20 @@ pub fn init(cx: &mut MutableAppContext) {
cx.add_action(Editor::fold_selected_ranges);
}
trait SelectionExt {
fn display_range(&self, map: &DisplayMapSnapshot) -> Range<DisplayPoint>;
fn spanned_rows(
&self,
include_end_if_at_line_start: bool,
map: &DisplayMapSnapshot,
) -> SpannedRows;
}
struct SpannedRows {
buffer_rows: Range<u32>,
display_rows: Range<u32>,
}
#[derive(Clone, Debug)]
pub enum SelectPhase {
Begin {
@ -2702,6 +2714,42 @@ impl workspace::ItemView for Editor {
}
}
impl SelectionExt for Selection {
fn display_range(&self, map: &DisplayMapSnapshot) -> Range<DisplayPoint> {
let start = self.start.to_display_point(map, Bias::Left);
let end = self.end.to_display_point(map, Bias::Left);
if self.reversed {
end..start
} else {
start..end
}
}
fn spanned_rows(
&self,
include_end_if_at_line_start: bool,
map: &DisplayMapSnapshot,
) -> SpannedRows {
let display_start = self.start.to_display_point(map, Bias::Left);
let mut display_end = self.end.to_display_point(map, Bias::Right);
if !include_end_if_at_line_start
&& display_end.row() != map.max_point().row()
&& display_start.row() != display_end.row()
&& display_end.column() == 0
{
*display_end.row_mut() -= 1;
}
let (display_start, buffer_start) = map.prev_row_boundary(display_start);
let (display_end, buffer_end) = map.next_row_boundary(display_end);
SpannedRows {
buffer_rows: buffer_start.row..buffer_end.row + 1,
display_rows: display_start.row()..display_end.row() + 1,
}
}
}
#[cfg(test)]
mod tests {
use super::*;

27
zed/src/editor/display_map.rs
View File

@ -2,14 +2,19 @@ mod fold_map;
mod tab_map;
mod wrap_map;
use super::{buffer, Anchor, Bias, Buffer, Point, ToOffset, ToPoint};
use fold_map::FoldMap;
use buffer::{self, Anchor, Buffer, Point, ToOffset, ToPoint};
use fold_map::{FoldMap, ToFoldPoint as _};
use gpui::{fonts::FontId, Entity, ModelContext, ModelHandle};
use std::ops::Range;
use sum_tree::Bias;
use tab_map::TabMap;
use wrap_map::WrapMap;
pub use wrap_map::{BufferRows, HighlightedChunks};
pub trait ToDisplayPoint {
fn to_display_point(&self, map: &DisplayMapSnapshot, bias: Bias) -> DisplayPoint;
}
pub struct DisplayMap {
buffer: ModelHandle<Buffer>,
fold_map: FoldMap,
@ -333,8 +338,8 @@ impl DisplayPoint {
}
}
impl Point {
pub fn to_display_point(self, map: &DisplayMapSnapshot, bias: Bias) -> DisplayPoint {
impl ToDisplayPoint for Point {
fn to_display_point(&self, map: &DisplayMapSnapshot, bias: Bias) -> DisplayPoint {
let fold_point = self.to_fold_point(&map.folds_snapshot, bias);
let tab_point = map.tabs_snapshot.to_tab_point(fold_point);
let wrap_point = map.wraps_snapshot.to_wrap_point(tab_point);
@ -342,8 +347,8 @@ impl Point {
}
}
impl Anchor {
pub fn to_display_point(&self, map: &DisplayMapSnapshot, bias: Bias) -> DisplayPoint {
impl ToDisplayPoint for Anchor {
fn to_display_point(&self, map: &DisplayMapSnapshot, bias: Bias) -> DisplayPoint {
self.to_point(&map.buffer_snapshot)
.to_display_point(map, bias)
}
@ -352,14 +357,8 @@ impl Anchor {
#[cfg(test)]
mod tests {
use super::*;
use crate::{
editor::movement,
language::{Language, LanguageConfig},
test::*,
theme::SyntaxTheme,
util::RandomCharIter,
};
use buffer::{History, SelectionGoal};
use crate::{editor::movement, test::*, util::RandomCharIter};
use buffer::{History, Language, LanguageConfig, SelectionGoal, SyntaxTheme};
use gpui::{color::Color, MutableAppContext};
use rand::{prelude::StdRng, Rng};
use std::{env, sync::Arc};

13
zed/src/editor/display_map/fold_map.rs
View File

@ -2,7 +2,7 @@ use super::{
buffer::{AnchorRangeExt, TextSummary},
Anchor, Buffer, Point, ToOffset,
};
use crate::{editor::buffer, settings::HighlightId, util::Bias};
use buffer::HighlightId;
use gpui::{AppContext, ModelHandle};
use parking_lot::Mutex;
use std::{
@ -11,7 +11,11 @@ use std::{
ops::Range,
sync::atomic::{AtomicUsize, Ordering::SeqCst},
};
use sum_tree::{self, Cursor, FilterCursor, SumTree};
use sum_tree::{self, Bias, Cursor, FilterCursor, SumTree};
pub trait ToFoldPoint {
fn to_fold_point(&self, snapshot: &Snapshot, bias: Bias) -> FoldPoint;
}
#[derive(Copy, Clone, Debug, Default, Eq, Ord, PartialOrd, PartialEq)]
pub struct FoldPoint(pub super::Point);
@ -73,8 +77,8 @@ impl FoldPoint {
}
}
impl Point {
pub fn to_fold_point(&self, snapshot: &Snapshot, bias: Bias) -> FoldPoint {
impl ToFoldPoint for Point {
fn to_fold_point(&self, snapshot: &Snapshot, bias: Bias) -> FoldPoint {
let mut cursor = snapshot.transforms.cursor::<(Point, FoldPoint)>();
cursor.seek(self, Bias::Right, &());
if cursor.item().map_or(false, |t| t.is_fold()) {
@ -544,6 +548,7 @@ impl Snapshot {
summary
}
#[cfg(test)]
pub fn len(&self) -> FoldOffset {
FoldOffset(self.transforms.summary().output.bytes)
}

6
zed/src/editor/display_map/tab_map.rs
View File

@ -1,7 +1,7 @@
use parking_lot::Mutex;
use super::fold_map::{self, FoldEdit, FoldPoint, Snapshot as FoldSnapshot};
use crate::{editor::rope, settings::HighlightId, util::Bias};
use crate::util::Bias;
use buffer::{rope, HighlightId};
use parking_lot::Mutex;
use std::{mem, ops::Range};
pub struct TabMap(Mutex<Snapshot>);

3
zed/src/editor/display_map/wrap_map.rs
View File

@ -2,7 +2,8 @@ use super::{
fold_map,
tab_map::{self, Edit as TabEdit, Snapshot as TabSnapshot, TabPoint, TextSummary},
};
use crate::{editor::Point, settings::HighlightId, util::Bias};
use crate::{editor::Point, util::Bias};
use buffer::HighlightId;
use gpui::{fonts::FontId, text_layout::LineWrapper, Entity, ModelContext, Task};
use lazy_static::lazy_static;
use smol::future::yield_now;

2
zed/src/editor/element.rs
View File

@ -2,7 +2,7 @@ use super::{
DisplayPoint, Editor, EditorMode, EditorStyle, Insert, Scroll, Select, SelectPhase, Snapshot,
MAX_LINE_LEN,
};
use crate::theme::HighlightId;
use buffer::HighlightId;
use clock::ReplicaId;
use gpui::{
color::Color,

2
zed/src/fs.rs
View File

@ -1,5 +1,5 @@
use super::editor::Rope;
use anyhow::{anyhow, Result};
use buffer::Rope;
use fsevent::EventStream;
use futures::{Stream, StreamExt};
use postage::prelude::Sink as _;

40
zed/src/language.rs
View File

@ -1,53 +1,18 @@
use crate::{settings::HighlightMap, theme::SyntaxTheme};
use buffer::{HighlightMap, Language, SyntaxTheme};
use parking_lot::Mutex;
use rust_embed::RustEmbed;
use serde::Deserialize;
use std::{path::Path, str, sync::Arc};
use tree_sitter::{Language as Grammar, Query};
use tree_sitter::Query;
pub use tree_sitter::{Parser, Tree};
#[derive(RustEmbed)]
#[folder = "languages"]
pub struct LanguageDir;
#[derive(Default, Deserialize)]
pub struct LanguageConfig {
pub name: String,
pub path_suffixes: Vec<String>,
}
#[derive(Deserialize)]
pub struct BracketPair {
pub start: String,
pub end: String,
}
pub struct Language {
pub config: LanguageConfig,
pub grammar: Grammar,
pub highlight_query: Query,
pub brackets_query: Query,
pub highlight_map: Mutex<HighlightMap>,
}
pub struct LanguageRegistry {
languages: Vec<Arc<Language>>,
}
impl Language {
pub fn name(&self) -> &str {
self.config.name.as_str()
}
pub fn highlight_map(&self) -> HighlightMap {
self.highlight_map.lock().clone()
}
pub fn set_theme(&self, theme: &SyntaxTheme) {
*self.highlight_map.lock() = HighlightMap::new(self.highlight_query.capture_names(), theme);
}
}
impl LanguageRegistry {
pub fn new() -> Self {
let grammar = tree_sitter_rust::language();
@ -104,6 +69,7 @@ impl Default for LanguageRegistry {
#[cfg(test)]
mod tests {
use super::*;
use buffer::LanguageConfig;
#[test]
fn test_select_language() {

3
zed/src/settings.rs
View File

@ -3,8 +3,7 @@ use anyhow::Result;
use gpui::font_cache::{FamilyId, FontCache};
use postage::watch;
use std::sync::Arc;
pub use theme::{HighlightId, HighlightMap, Theme, ThemeRegistry};
pub use theme::{Theme, ThemeRegistry};
#[derive(Clone)]
pub struct Settings {

81
zed/src/test.rs
View File

@ -10,7 +10,6 @@ use crate::{
AppState,
};
use anyhow::{anyhow, Result};
use clock::ReplicaId;
use futures::{future::BoxFuture, Future};
use gpui::{AsyncAppContext, Entity, ModelHandle, MutableAppContext, TestAppContext};
use parking_lot::Mutex;
@ -34,86 +33,6 @@ fn init_logger() {
env_logger::init();
}
#[derive(Clone)]
struct Envelope<T: Clone> {
message: T,
sender: ReplicaId,
}
#[cfg(test)]
pub(crate) struct Network<T: Clone, R: rand::Rng> {
inboxes: std::collections::BTreeMap<ReplicaId, Vec<Envelope<T>>>,
all_messages: Vec<T>,
rng: R,
}
#[cfg(test)]
impl<T: Clone, R: rand::Rng> Network<T, R> {
pub fn new(rng: R) -> Self {
Network {
inboxes: Default::default(),
all_messages: Vec::new(),
rng,
}
}
pub fn add_peer(&mut self, id: ReplicaId) {
self.inboxes.insert(id, Vec::new());
}
pub fn is_idle(&self) -> bool {
self.inboxes.values().all(|i| i.is_empty())
}
pub fn broadcast(&mut self, sender: ReplicaId, messages: Vec<T>) {
for (replica, inbox) in self.inboxes.iter_mut() {
if *replica != sender {
for message in &messages {
let min_index = inbox
.iter()
.enumerate()
.rev()
.find_map(|(index, envelope)| {
if sender == envelope.sender {
Some(index + 1)
} else {
None
}
})
.unwrap_or(0);
// Insert one or more duplicates of this message *after* the previous
// message delivered by this replica.
for _ in 0..self.rng.gen_range(1..4) {
let insertion_index = self.rng.gen_range(min_index..inbox.len() + 1);
inbox.insert(
insertion_index,
Envelope {
message: message.clone(),
sender,
},
);
}
}
}
}
self.all_messages.extend(messages);
}
pub fn has_unreceived(&self, receiver: ReplicaId) -> bool {
!self.inboxes[&receiver].is_empty()
}
pub fn receive(&mut self, receiver: ReplicaId) -> Vec<T> {
let inbox = self.inboxes.get_mut(&receiver).unwrap();
let count = self.rng.gen_range(0..inbox.len() + 1);
inbox
.drain(0..count)
.map(|envelope| envelope.message)
.collect()
}
}
pub fn sample_text(rows: usize, cols: usize) -> String {
let mut text = String::new();
for row in 0..rows {

51
zed/src/theme.rs
View File

@ -1,19 +1,16 @@
mod highlight_map;
mod resolution;
mod theme_registry;
use crate::editor::{EditorStyle, SelectionStyle};
use anyhow::Result;
use buffer::SyntaxTheme;
use gpui::{
color::Color,
elements::{ContainerStyle, ImageStyle, LabelStyle},
fonts::{HighlightStyle, TextStyle},
fonts::TextStyle,
Border,
};
use serde::Deserialize;
use std::collections::HashMap;
pub use highlight_map::*;
pub use theme_registry::*;
pub const DEFAULT_THEME_NAME: &'static str = "black";
@ -31,10 +28,6 @@ pub struct Theme {
pub syntax: SyntaxTheme,
}
pub struct SyntaxTheme {
highlights: Vec<(String, HighlightStyle)>,
}
#[derive(Deserialize)]
pub struct Workspace {
pub background: Color,
@ -220,23 +213,6 @@ pub struct InputEditorStyle {
pub selection: SelectionStyle,
}
impl SyntaxTheme {
pub fn new(highlights: Vec<(String, HighlightStyle)>) -> Self {
Self { highlights }
}
pub fn highlight_style(&self, id: HighlightId) -> Option<HighlightStyle> {
self.highlights
.get(id.0 as usize)
.map(|entry| entry.1.clone())
}
#[cfg(test)]
pub fn highlight_name(&self, id: HighlightId) -> Option<&str> {
self.highlights.get(id.0 as usize).map(|e| e.0.as_str())
}
}
impl InputEditorStyle {
pub fn as_editor(&self) -> EditorStyle {
EditorStyle {
@ -255,26 +231,3 @@ impl InputEditorStyle {
}
}
}
impl<'de> Deserialize<'de> for SyntaxTheme {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
let syntax_data: HashMap<String, HighlightStyle> = Deserialize::deserialize(deserializer)?;
let mut result = Self::new(Vec::new());
for (key, style) in syntax_data {
match result
.highlights
.binary_search_by(|(needle, _)| needle.cmp(&key))
{
Ok(i) | Err(i) => {
result.highlights.insert(i, (key, style));
}
}
}
Ok(result)
}
}

2
zed/src/workspace.rs
View File

@ -4,7 +4,6 @@ pub mod sidebar;
use crate::{
chat_panel::ChatPanel,
editor::Buffer,
fs::Fs,
people_panel::{JoinWorktree, LeaveWorktree, PeoplePanel, ShareWorktree, UnshareWorktree},
project::{Project, ProjectPath},
@ -17,6 +16,7 @@ use crate::{
AppState, Authenticate,
};
use anyhow::Result;
use buffer::Buffer;
use gpui::{
action,
elements::*,

242
zed/src/worktree.rs
View File

@ -2,7 +2,6 @@ mod ignore;
use self::ignore::IgnoreStack;
use crate::{
editor::{self, buffer, Buffer, History, Operation, Rope},
fs::{self, Fs},
fuzzy::CharBag,
language::LanguageRegistry,
@ -11,6 +10,7 @@ use crate::{
};
use ::ignore::gitignore::{Gitignore, GitignoreBuilder};
use anyhow::{anyhow, Result};
use buffer::{self, Buffer, History, Operation, Rope};
use clock::ReplicaId;
use futures::{Stream, StreamExt};
use gpui::{
@ -630,14 +630,14 @@ impl Worktree {
file_changed = true;
} else if !file.is_deleted() {
if buffer_is_clean {
cx.emit(editor::buffer::Event::Dirtied);
cx.emit(buffer::Event::Dirtied);
}
file.set_entry_id(None);
file_changed = true;
}
if file_changed {
cx.emit(editor::buffer::Event::FileHandleChanged);
cx.emit(buffer::Event::FileHandleChanged);
}
}
});
@ -2839,6 +2839,8 @@ mod tests {
use fs::RealFs;
use rand::prelude::*;
use serde_json::json;
use std::cell::RefCell;
use std::rc::Rc;
use std::time::UNIX_EPOCH;
use std::{env, fmt::Write, time::SystemTime};
@ -3218,6 +3220,240 @@ mod tests {
server.receive::<proto::CloseWorktree>().await.unwrap();
}
#[gpui::test]
async fn test_buffer_is_dirty(mut cx: gpui::TestAppContext) {
use std::fs;
let dir = temp_tree(json!({
"file1": "abc",
"file2": "def",
"file3": "ghi",
}));
let tree = Worktree::open_local(
rpc::Client::new(),
dir.path(),
Arc::new(RealFs),
Default::default(),
&mut cx.to_async(),
)
.await
.unwrap();
tree.flush_fs_events(&cx).await;
cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
.await;
let buffer1 = tree
.update(&mut cx, |tree, cx| tree.open_buffer("file1", cx))
.await
.unwrap();
let events = Rc::new(RefCell::new(Vec::new()));
// initially, the buffer isn't dirty.
buffer1.update(&mut cx, |buffer, cx| {
cx.subscribe(&buffer1, {
let events = events.clone();
move |_, _, event, _| events.borrow_mut().push(event.clone())
})
.detach();
assert!(!buffer.is_dirty());
assert!(events.borrow().is_empty());
buffer.edit(vec![1..2], "", cx);
});
// after the first edit, the buffer is dirty, and emits a dirtied event.
buffer1.update(&mut cx, |buffer, cx| {
assert!(buffer.text() == "ac");
assert!(buffer.is_dirty());
assert_eq!(
*events.borrow(),
&[buffer::Event::Edited, buffer::Event::Dirtied]
);
events.borrow_mut().clear();
buffer.did_save(buffer.version(), buffer.file().unwrap().mtime(), None, cx);
});
// after saving, the buffer is not dirty, and emits a saved event.
buffer1.update(&mut cx, |buffer, cx| {
assert!(!buffer.is_dirty());
assert_eq!(*events.borrow(), &[buffer::Event::Saved]);
events.borrow_mut().clear();
buffer.edit(vec![1..1], "B", cx);
buffer.edit(vec![2..2], "D", cx);
});
// after editing again, the buffer is dirty, and emits another dirty event.
buffer1.update(&mut cx, |buffer, cx| {
assert!(buffer.text() == "aBDc");
assert!(buffer.is_dirty());
assert_eq!(
*events.borrow(),
&[
buffer::Event::Edited,
buffer::Event::Dirtied,
buffer::Event::Edited
],
);
events.borrow_mut().clear();
// TODO - currently, after restoring the buffer to its
// previously-saved state, the is still considered dirty.
buffer.edit(vec![1..3], "", cx);
assert!(buffer.text() == "ac");
assert!(buffer.is_dirty());
});
assert_eq!(*events.borrow(), &[buffer::Event::Edited]);
// When a file is deleted, the buffer is considered dirty.
let events = Rc::new(RefCell::new(Vec::new()));
let buffer2 = tree
.update(&mut cx, |tree, cx| tree.open_buffer("file2", cx))
.await
.unwrap();
buffer2.update(&mut cx, |_, cx| {
cx.subscribe(&buffer2, {
let events = events.clone();
move |_, _, event, _| events.borrow_mut().push(event.clone())
})
.detach();
});
fs::remove_file(dir.path().join("file2")).unwrap();
buffer2.condition(&cx, |b, _| b.is_dirty()).await;
assert_eq!(
*events.borrow(),
&[buffer::Event::Dirtied, buffer::Event::FileHandleChanged]
);
// When a file is already dirty when deleted, we don't emit a Dirtied event.
let events = Rc::new(RefCell::new(Vec::new()));
let buffer3 = tree
.update(&mut cx, |tree, cx| tree.open_buffer("file3", cx))
.await
.unwrap();
buffer3.update(&mut cx, |_, cx| {
cx.subscribe(&buffer3, {
let events = events.clone();
move |_, _, event, _| events.borrow_mut().push(event.clone())
})
.detach();
});
tree.flush_fs_events(&cx).await;
buffer3.update(&mut cx, |buffer, cx| {
buffer.edit(Some(0..0), "x", cx);
});
events.borrow_mut().clear();
fs::remove_file(dir.path().join("file3")).unwrap();
buffer3
.condition(&cx, |_, _| !events.borrow().is_empty())
.await;
assert_eq!(*events.borrow(), &[buffer::Event::FileHandleChanged]);
cx.read(|cx| assert!(buffer3.read(cx).is_dirty()));
}
#[gpui::test]
async fn test_buffer_file_changes_on_disk(mut cx: gpui::TestAppContext) {
use buffer::{Point, Selection, SelectionGoal, ToPoint};
use std::fs;
let initial_contents = "aaa\nbbbbb\nc\n";
let dir = temp_tree(json!({ "the-file": initial_contents }));
let tree = Worktree::open_local(
rpc::Client::new(),
dir.path(),
Arc::new(RealFs),
Default::default(),
&mut cx.to_async(),
)
.await
.unwrap();
cx.read(|cx| tree.read(cx).as_local().unwrap().scan_complete())
.await;
let abs_path = dir.path().join("the-file");
let buffer = tree
.update(&mut cx, |tree, cx| {
tree.open_buffer(Path::new("the-file"), cx)
})
.await
.unwrap();
// Add a cursor at the start of each row.
let selection_set_id = buffer.update(&mut cx, |buffer, cx| {
assert!(!buffer.is_dirty());
buffer.add_selection_set(
(0..3)
.map(|row| {
let anchor = buffer.anchor_at(Point::new(row, 0), Bias::Right);
Selection {
id: row as usize,
start: anchor.clone(),
end: anchor,
reversed: false,
goal: SelectionGoal::None,
}
})
.collect::<Vec<_>>(),
cx,
)
});
// Change the file on disk, adding two new lines of text, and removing
// one line.
buffer.read_with(&cx, |buffer, _| {
assert!(!buffer.is_dirty());
assert!(!buffer.has_conflict());
});
let new_contents = "AAAA\naaa\nBB\nbbbbb\n";
fs::write(&abs_path, new_contents).unwrap();
// Because the buffer was not modified, it is reloaded from disk. Its
// contents are edited according to the diff between the old and new
// file contents.
buffer
.condition(&cx, |buffer, _| buffer.text() != initial_contents)
.await;
buffer.update(&mut cx, |buffer, _| {
assert_eq!(buffer.text(), new_contents);
assert!(!buffer.is_dirty());
assert!(!buffer.has_conflict());
let set = buffer.selection_set(selection_set_id).unwrap();
let cursor_positions = set
.selections
.iter()
.map(|selection| {
assert_eq!(selection.start, selection.end);
selection.start.to_point(&*buffer)
})
.collect::<Vec<_>>();
assert_eq!(
cursor_positions,
&[Point::new(1, 0), Point::new(3, 0), Point::new(4, 0),]
);
});
// Modify the buffer
buffer.update(&mut cx, |buffer, cx| {
buffer.edit(vec![0..0], " ", cx);
assert!(buffer.is_dirty());
});
// Change the file on disk again, adding blank lines to the beginning.
fs::write(&abs_path, "\n\n\nAAAA\naaa\nBB\nbbbbb\n").unwrap();
// Becaues the buffer is modified, it doesn't reload from disk, but is
// marked as having a conflict.
buffer
.condition(&cx, |buffer, _| buffer.has_conflict())
.await;
}
#[gpui::test(iterations = 100)]
fn test_random(mut rng: StdRng) {
let operations = env::var("OPERATIONS")