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Get Editor compiling with MultiBuffer as its buffer

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There's a bunch of unimplemented methods in MultiBuffer, but everything compiles.

Co-Authored-By: Max Brunsfeld <maxbrunsfeld@gmail.com>
This commit is contained in:
Nathan Sobo 2021-12-08 19:23:04 -07:00
parent daedf179b2
commit 87d16c271e
18 changed files with 931 additions and 450 deletions
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49
crates/editor/src/display_map.rs
View file

@ -6,7 +6,10 @@ mod wrap_map;
use block_map::{BlockMap, BlockPoint};
use fold_map::{FoldMap, ToFoldPoint as _};
use gpui::{fonts::FontId, ElementBox, Entity, ModelContext, ModelHandle};
use language::{Anchor, Buffer, Point, Subscription as BufferSubscription, ToOffset, ToPoint};
use language::{
multi_buffer::{Anchor, MultiBuffer, MultiBufferSnapshot, ToOffset, ToPoint},
Point, Subscription as BufferSubscription,
};
use std::{
collections::{HashMap, HashSet},
ops::Range,
@ -26,7 +29,7 @@ pub trait ToDisplayPoint {
}
pub struct DisplayMap {
buffer: ModelHandle<Buffer>,
buffer: ModelHandle<MultiBuffer>,
buffer_subscription: BufferSubscription,
fold_map: FoldMap,
tab_map: TabMap,
@ -40,7 +43,7 @@ impl Entity for DisplayMap {
impl DisplayMap {
pub fn new(
buffer: ModelHandle<Buffer>,
buffer: ModelHandle<MultiBuffer>,
tab_size: usize,
font_id: FontId,
font_size: f32,
@ -48,7 +51,7 @@ impl DisplayMap {
cx: &mut ModelContext<Self>,
) -> Self {
let buffer_subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
let (fold_map, snapshot) = FoldMap::new(buffer.read(cx).snapshot());
let (fold_map, snapshot) = FoldMap::new(buffer.read(cx).snapshot(cx));
let (tab_map, snapshot) = TabMap::new(snapshot, tab_size);
let (wrap_map, snapshot) = WrapMap::new(snapshot, font_id, font_size, wrap_width, cx);
let block_map = BlockMap::new(buffer.clone(), snapshot);
@ -64,7 +67,7 @@ impl DisplayMap {
}
pub fn snapshot(&self, cx: &mut ModelContext<Self>) -> DisplaySnapshot {
let buffer_snapshot = self.buffer.read(cx).snapshot();
let buffer_snapshot = self.buffer.read(cx).snapshot(cx);
let edits = self.buffer_subscription.consume().into_inner();
let (folds_snapshot, edits) = self.fold_map.read(buffer_snapshot, edits);
let (tabs_snapshot, edits) = self.tab_map.sync(folds_snapshot.clone(), edits);
@ -74,7 +77,7 @@ impl DisplayMap {
let blocks_snapshot = self.block_map.read(wraps_snapshot.clone(), edits, cx);
DisplaySnapshot {
buffer_snapshot: self.buffer.read(cx).snapshot(),
buffer_snapshot: self.buffer.read(cx).snapshot(cx),
folds_snapshot,
tabs_snapshot,
wraps_snapshot,
@ -87,7 +90,7 @@ impl DisplayMap {
ranges: impl IntoIterator<Item = Range<T>>,
cx: &mut ModelContext<Self>,
) {
let snapshot = self.buffer.read(cx).snapshot();
let snapshot = self.buffer.read(cx).snapshot(cx);
let edits = self.buffer_subscription.consume().into_inner();
let (mut fold_map, snapshot, edits) = self.fold_map.write(snapshot, edits);
let (snapshot, edits) = self.tab_map.sync(snapshot, edits);
@ -108,7 +111,7 @@ impl DisplayMap {
ranges: impl IntoIterator<Item = Range<T>>,
cx: &mut ModelContext<Self>,
) {
let snapshot = self.buffer.read(cx).snapshot();
let snapshot = self.buffer.read(cx).snapshot(cx);
let edits = self.buffer_subscription.consume().into_inner();
let (mut fold_map, snapshot, edits) = self.fold_map.write(snapshot, edits);
let (snapshot, edits) = self.tab_map.sync(snapshot, edits);
@ -132,7 +135,7 @@ impl DisplayMap {
where
P: ToOffset + Clone,
{
let snapshot = self.buffer.read(cx).snapshot();
let snapshot = self.buffer.read(cx).snapshot(cx);
let edits = self.buffer_subscription.consume().into_inner();
let (snapshot, edits) = self.fold_map.read(snapshot, edits);
let (snapshot, edits) = self.tab_map.sync(snapshot, edits);
@ -151,7 +154,7 @@ impl DisplayMap {
}
pub fn remove_blocks(&mut self, ids: HashSet<BlockId>, cx: &mut ModelContext<Self>) {
let snapshot = self.buffer.read(cx).snapshot();
let snapshot = self.buffer.read(cx).snapshot(cx);
let edits = self.buffer_subscription.consume().into_inner();
let (snapshot, edits) = self.fold_map.read(snapshot, edits);
let (snapshot, edits) = self.tab_map.sync(snapshot, edits);
@ -179,7 +182,7 @@ impl DisplayMap {
}
pub struct DisplaySnapshot {
pub buffer_snapshot: language::BufferSnapshot,
pub buffer_snapshot: MultiBufferSnapshot,
folds_snapshot: fold_map::FoldSnapshot,
tabs_snapshot: tab_map::TabSnapshot,
wraps_snapshot: wrap_map::WrapSnapshot,
@ -457,7 +460,7 @@ mod tests {
use super::*;
use crate::{movement, test::*};
use gpui::{color::Color, MutableAppContext};
use language::{Language, LanguageConfig, RandomCharIter, SelectionGoal};
use language::{Buffer, Language, LanguageConfig, RandomCharIter, SelectionGoal};
use rand::{prelude::StdRng, Rng};
use std::{env, sync::Arc};
use theme::SyntaxTheme;
@ -489,10 +492,10 @@ mod tests {
log::info!("tab size: {}", tab_size);
log::info!("wrap width: {:?}", wrap_width);
let buffer = cx.add_model(|cx| {
let buffer = cx.update(|cx| {
let len = rng.gen_range(0..10);
let text = RandomCharIter::new(&mut rng).take(len).collect::<String>();
Buffer::new(0, text, cx)
MultiBuffer::build_simple(&text, cx)
});
let map = cx.add_model(|cx| {
@ -563,8 +566,10 @@ mod tests {
assert_eq!(prev_display_bound.column(), 0);
if next_display_bound < snapshot.max_point() {
assert_eq!(
buffer
.read_with(&cx, |buffer, _| buffer.chars_at(next_buffer_bound).next()),
buffer.read_with(&cx, |buffer, _| buffer
.as_snapshot()
.chars_at(next_buffer_bound)
.next()),
Some('\n')
)
}
@ -651,7 +656,7 @@ mod tests {
let wrap_width = Some(64.);
let text = "one two three four five\nsix seven eight";
let buffer = cx.add_model(|cx| Buffer::new(0, text.to_string(), cx));
let buffer = MultiBuffer::build_simple(text, cx);
let map = cx.add_model(|cx| {
DisplayMap::new(buffer.clone(), tab_size, font_id, font_size, wrap_width, cx)
});
@ -724,7 +729,7 @@ mod tests {
#[gpui::test]
fn test_text_chunks(cx: &mut gpui::MutableAppContext) {
let text = sample_text(6, 6, 'a');
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx));
let buffer = MultiBuffer::build_simple(&text, cx);
let tab_size = 4;
let family_id = cx.font_cache().load_family(&["Helvetica"]).unwrap();
let font_id = cx
@ -803,6 +808,7 @@ mod tests {
let buffer =
cx.add_model(|cx| Buffer::new(0, text, cx).with_language(Some(lang), None, cx));
buffer.condition(&cx, |buf, _| !buf.is_parsing()).await;
let buffer = cx.add_model(|cx| MultiBuffer::singleton(buffer, cx));
let tab_size = 2;
let font_cache = cx.font_cache();
@ -890,6 +896,7 @@ mod tests {
let buffer =
cx.add_model(|cx| Buffer::new(0, text, cx).with_language(Some(lang), None, cx));
buffer.condition(&cx, |buf, _| !buf.is_parsing()).await;
let buffer = cx.add_model(|cx| MultiBuffer::singleton(buffer, cx));
let font_cache = cx.font_cache();
@ -935,7 +942,7 @@ mod tests {
let text = "\n'a', 'α',\t'✋',\t'❎', '🍐'\n";
let display_text = "\n'a', 'α', '✋', '❎', '🍐'\n";
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx));
let buffer = MultiBuffer::build_simple(text, cx);
let tab_size = 4;
let font_cache = cx.font_cache();
@ -979,7 +986,7 @@ mod tests {
#[gpui::test]
fn test_tabs_with_multibyte_chars(cx: &mut gpui::MutableAppContext) {
let text = "✅\t\tα\nβ\t\n🏀β\t\tγ";
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx));
let buffer = MultiBuffer::build_simple(text, cx);
let tab_size = 4;
let font_cache = cx.font_cache();
let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
@ -1038,7 +1045,7 @@ mod tests {
#[gpui::test]
fn test_max_point(cx: &mut gpui::MutableAppContext) {
let buffer = cx.add_model(|cx| Buffer::new(0, "aaa\n\t\tbbb", cx));
let buffer = MultiBuffer::build_simple("aaa\n\t\tbbb", cx);
let tab_size = 4;
let font_cache = cx.font_cache();
let family_id = font_cache.load_family(&["Helvetica"]).unwrap();

72
crates/editor/src/display_map/block_map.rs
View file

@ -1,6 +1,9 @@
use super::wrap_map::{self, WrapEdit, WrapPoint, WrapSnapshot};
use gpui::{AppContext, ElementBox, ModelHandle};
use language::{Buffer, Chunk};
use language::{
multi_buffer::{Anchor, MultiBuffer, ToOffset, ToPoint as _},
Chunk,
};
use parking_lot::Mutex;
use std::{
cmp::{self, Ordering},
@ -12,14 +15,14 @@ use std::{
Arc,
},
};
use sum_tree::SumTree;
use text::{Anchor, Bias, Edit, Point, ToOffset, ToPoint as _};
use sum_tree::{Bias, SumTree};
use text::{Edit, Point};
use theme::SyntaxTheme;
const NEWLINES: &'static [u8] = &[b'\n'; u8::MAX as usize];
pub struct BlockMap {
buffer: ModelHandle<Buffer>,
buffer: ModelHandle<MultiBuffer>,
next_block_id: AtomicUsize,
wrap_snapshot: Mutex<WrapSnapshot>,
blocks: Vec<Arc<Block>>,
@ -109,7 +112,7 @@ pub struct BlockBufferRows<'a> {
}
impl BlockMap {
pub fn new(buffer: ModelHandle<Buffer>, wrap_snapshot: WrapSnapshot) -> Self {
pub fn new(buffer: ModelHandle<MultiBuffer>, wrap_snapshot: WrapSnapshot) -> Self {
Self {
buffer,
next_block_id: AtomicUsize::new(0),
@ -153,6 +156,7 @@ impl BlockMap {
}
let buffer = self.buffer.read(cx);
let buffer = buffer.as_snapshot();
let mut transforms = self.transforms.lock();
let mut new_transforms = SumTree::new();
let old_row_count = transforms.summary().input_rows;
@ -241,7 +245,7 @@ impl BlockMap {
let start_block_ix = match self.blocks[last_block_ix..].binary_search_by(|probe| {
probe
.position
.cmp(&start_anchor, buffer)
.cmp(&start_anchor, &buffer)
.unwrap()
.then(Ordering::Greater)
}) {
@ -255,7 +259,7 @@ impl BlockMap {
match self.blocks[start_block_ix..].binary_search_by(|probe| {
probe
.position
.cmp(&end_anchor, buffer)
.cmp(&end_anchor, &buffer)
.unwrap()
.then(Ordering::Greater)
}) {
@ -268,7 +272,7 @@ impl BlockMap {
self.blocks[start_block_ix..end_block_ix]
.iter()
.map(|block| {
let mut position = block.position.to_point(buffer);
let mut position = block.position.to_point(&buffer);
let column = wrap_snapshot.from_point(position, Bias::Left).column();
match block.disposition {
BlockDisposition::Above => position.column = 0,
@ -380,6 +384,7 @@ impl<'a> BlockMapWriter<'a> {
P: ToOffset + Clone,
{
let buffer = self.0.buffer.read(cx);
let buffer = buffer.as_snapshot();
let mut ids = Vec::new();
let mut edits = Vec::<Edit<u32>>::new();
let wrap_snapshot = &*self.0.wrap_snapshot.lock();
@ -389,7 +394,7 @@ impl<'a> BlockMapWriter<'a> {
ids.push(id);
let position = buffer.anchor_after(block.position);
let point = position.to_point(buffer);
let point = position.to_point(&buffer);
let start_row = wrap_snapshot
.from_point(Point::new(point.row, 0), Bias::Left)
.row();
@ -404,7 +409,7 @@ impl<'a> BlockMapWriter<'a> {
let block_ix = match self
.0
.blocks
.binary_search_by(|probe| probe.position.cmp(&position, buffer).unwrap())
.binary_search_by(|probe| probe.position.cmp(&position, &buffer).unwrap())
{
Ok(ix) | Err(ix) => ix,
};
@ -436,12 +441,13 @@ impl<'a> BlockMapWriter<'a> {
pub fn remove(&mut self, block_ids: HashSet<BlockId>, cx: &AppContext) {
let buffer = self.0.buffer.read(cx);
let buffer = buffer.as_snapshot();
let wrap_snapshot = &*self.0.wrap_snapshot.lock();
let mut edits = Vec::new();
let mut last_block_buffer_row = None;
self.0.blocks.retain(|block| {
if block_ids.contains(&block.id) {
let buffer_row = block.position.to_point(buffer).row;
let buffer_row = block.position.to_point(&buffer).row;
if last_block_buffer_row != Some(buffer_row) {
last_block_buffer_row = Some(buffer_row);
let start_row = wrap_snapshot
@ -877,7 +883,6 @@ mod tests {
use super::*;
use crate::display_map::{fold_map::FoldMap, tab_map::TabMap, wrap_map::WrapMap};
use gpui::{elements::Empty, Element};
use language::Buffer;
use rand::prelude::*;
use std::env;
use text::RandomCharIter;
@ -906,8 +911,9 @@ mod tests {
let text = "aaa\nbbb\nccc\nddd";
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx));
let (fold_map, folds_snapshot) = FoldMap::new(buffer.read(cx).snapshot());
let buffer = MultiBuffer::build_simple(text, cx);
let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
let (fold_map, folds_snapshot) = FoldMap::new(buffer.read(cx).snapshot(cx));
let (tab_map, tabs_snapshot) = TabMap::new(folds_snapshot.clone(), 1);
let (wrap_map, wraps_snapshot) = WrapMap::new(tabs_snapshot, font_id, 14.0, None, cx);
let mut block_map = BlockMap::new(buffer.clone(), wraps_snapshot.clone());
@ -1050,15 +1056,14 @@ mod tests {
]
);
// Insert a line break, separating two block decorations into separate
// lines.
let (buffer_snapshot, buffer_edits) = buffer.update(cx, |buffer, cx| {
let v0 = buffer.version();
// Insert a line break, separating two block decorations into separate lines.
let buffer_snapshot = buffer.update(cx, |buffer, cx| {
buffer.edit([Point::new(1, 1)..Point::new(1, 1)], "!!!\n", cx);
(buffer.snapshot(), buffer.edits_since(&v0).collect())
buffer.snapshot(cx)
});
let (folds_snapshot, fold_edits) = fold_map.read(buffer_snapshot, buffer_edits);
let (folds_snapshot, fold_edits) =
fold_map.read(buffer_snapshot, subscription.consume().into_inner());
let (tabs_snapshot, tab_edits) = tab_map.sync(folds_snapshot, fold_edits);
let (wraps_snapshot, wrap_edits) = wrap_map.update(cx, |wrap_map, cx| {
wrap_map.sync(tabs_snapshot, tab_edits, cx)
@ -1077,8 +1082,8 @@ mod tests {
let text = "one two three\nfour five six\nseven eight";
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx));
let (_, folds_snapshot) = FoldMap::new(buffer.read(cx).snapshot());
let buffer = MultiBuffer::build_simple(text, cx);
let (_, folds_snapshot) = FoldMap::new(buffer.read(cx).snapshot(cx));
let (_, tabs_snapshot) = TabMap::new(folds_snapshot.clone(), 1);
let (_, wraps_snapshot) = WrapMap::new(tabs_snapshot, font_id, 14.0, Some(60.), cx);
let mut block_map = BlockMap::new(buffer.clone(), wraps_snapshot.clone());
@ -1132,13 +1137,12 @@ mod tests {
log::info!("Wrap width: {:?}", wrap_width);
let buffer = cx.add_model(|cx| {
let len = rng.gen_range(0..10);
let text = RandomCharIter::new(&mut rng).take(len).collect::<String>();
log::info!("initial buffer text: {:?}", text);
Buffer::new(0, text, cx)
});
let mut buffer_snapshot = buffer.read(cx).snapshot();
let len = rng.gen_range(0..10);
let text = RandomCharIter::new(&mut rng).take(len).collect::<String>();
log::info!("initial buffer text: {:?}", text);
let buffer = MultiBuffer::build_simple(&text, cx);
let mut buffer_snapshot = buffer.read(cx).snapshot(cx);
let (fold_map, folds_snapshot) = FoldMap::new(buffer_snapshot.clone());
let (tab_map, tabs_snapshot) = TabMap::new(folds_snapshot.clone(), tab_size);
let (wrap_map, wraps_snapshot) =
@ -1176,7 +1180,7 @@ mod tests {
log::info!(
"inserting block {:?} {:?} with height {}",
disposition,
position.to_point(buffer),
position.to_point(&buffer.as_snapshot()),
height
);
BlockProperties {
@ -1221,12 +1225,12 @@ mod tests {
}
_ => {
buffer.update(cx, |buffer, cx| {
let v0 = buffer.version();
let edit_count = rng.gen_range(1..=5);
let subscription = buffer.subscribe();
buffer.randomly_edit(&mut rng, edit_count, cx);
log::info!("buffer text: {:?}", buffer.text());
buffer_edits.extend(buffer.edits_since(&v0));
buffer_snapshot = buffer.snapshot();
buffer_edits.extend(subscription.consume());
buffer_snapshot = buffer.snapshot(cx);
});
}
}
@ -1248,7 +1252,7 @@ mod tests {
.iter()
.cloned()
.map(|(id, block)| {
let mut position = block.position.to_point(buffer);
let mut position = block.position.to_point(&buffer.as_snapshot());
let column = wraps_snapshot.from_point(position, Bias::Left).column();
match block.disposition {
BlockDisposition::Above => {

120
crates/editor/src/display_map/fold_map.rs
View file

@ -1,5 +1,6 @@
use language::{
Anchor, AnchorRangeExt, BufferSnapshot, Chunk, Edit, Point, PointUtf16, TextSummary, ToOffset,
multi_buffer::{Anchor, AnchorRangeExt, MultiBufferChunks, MultiBufferSnapshot, ToOffset},
Chunk, Edit, Point, PointUtf16, TextSummary,
};
use parking_lot::Mutex;
use std::{
@ -189,14 +190,14 @@ impl<'a> FoldMapWriter<'a> {
}
pub struct FoldMap {
buffer: Mutex<BufferSnapshot>,
buffer: Mutex<MultiBufferSnapshot>,
transforms: Mutex<SumTree<Transform>>,
folds: SumTree<Fold>,
version: AtomicUsize,
}
impl FoldMap {
pub fn new(buffer: BufferSnapshot) -> (Self, FoldSnapshot) {
pub fn new(buffer: MultiBufferSnapshot) -> (Self, FoldSnapshot) {
let this = Self {
buffer: Mutex::new(buffer.clone()),
folds: Default::default(),
@ -224,7 +225,7 @@ impl FoldMap {
pub fn read(
&self,
buffer: BufferSnapshot,
buffer: MultiBufferSnapshot,
edits: Vec<Edit<usize>>,
) -> (FoldSnapshot, Vec<FoldEdit>) {
let edits = self.sync(buffer, edits);
@ -240,7 +241,7 @@ impl FoldMap {
pub fn write(
&mut self,
buffer: BufferSnapshot,
buffer: MultiBufferSnapshot,
edits: Vec<Edit<usize>>,
) -> (FoldMapWriter, FoldSnapshot, Vec<FoldEdit>) {
let (snapshot, edits) = self.read(buffer, edits);
@ -259,7 +260,7 @@ impl FoldMap {
fn sync(
&self,
new_buffer: BufferSnapshot,
new_buffer: MultiBufferSnapshot,
buffer_edits: Vec<text::Edit<usize>>,
) -> Vec<FoldEdit> {
if buffer_edits.is_empty() {
@ -476,7 +477,7 @@ impl FoldMap {
pub struct FoldSnapshot {
transforms: SumTree<Transform>,
folds: SumTree<Fold>,
buffer_snapshot: language::BufferSnapshot,
buffer_snapshot: MultiBufferSnapshot,
pub version: usize,
}
@ -699,7 +700,7 @@ impl FoldSnapshot {
}
fn intersecting_folds<'a, T>(
buffer: &'a text::BufferSnapshot,
buffer: &'a MultiBufferSnapshot,
folds: &'a SumTree<Fold>,
range: Range<T>,
inclusive: bool,
@ -850,9 +851,9 @@ impl Default for FoldSummary {
}
impl sum_tree::Summary for FoldSummary {
type Context = text::BufferSnapshot;
type Context = MultiBufferSnapshot;
fn add_summary(&mut self, other: &Self, buffer: &text::BufferSnapshot) {
fn add_summary(&mut self, other: &Self, buffer: &MultiBufferSnapshot) {
if other.min_start.cmp(&self.min_start, buffer).unwrap() == Ordering::Less {
self.min_start = other.min_start.clone();
}
@ -876,20 +877,20 @@ impl sum_tree::Summary for FoldSummary {
}
impl<'a> sum_tree::Dimension<'a, FoldSummary> for Fold {
fn add_summary(&mut self, summary: &'a FoldSummary, _: &text::BufferSnapshot) {
fn add_summary(&mut self, summary: &'a FoldSummary, _: &MultiBufferSnapshot) {
self.0.start = summary.start.clone();
self.0.end = summary.end.clone();
}
}
impl<'a> sum_tree::SeekTarget<'a, FoldSummary, Fold> for Fold {
fn cmp(&self, other: &Self, buffer: &text::BufferSnapshot) -> Ordering {
fn cmp(&self, other: &Self, buffer: &MultiBufferSnapshot) -> Ordering {
self.0.cmp(&other.0, buffer).unwrap()
}
}
impl<'a> sum_tree::Dimension<'a, FoldSummary> for usize {
fn add_summary(&mut self, summary: &'a FoldSummary, _: &text::BufferSnapshot) {
fn add_summary(&mut self, summary: &'a FoldSummary, _: &MultiBufferSnapshot) {
*self += summary.count;
}
}
@ -924,7 +925,7 @@ impl<'a> Iterator for FoldBufferRows<'a> {
pub struct FoldChunks<'a> {
transform_cursor: Cursor<'a, Transform, (FoldOffset, usize)>,
buffer_chunks: language::BufferChunks<'a>,
buffer_chunks: MultiBufferChunks<'a>,
buffer_chunk: Option<(usize, Chunk<'a>)>,
buffer_offset: usize,
output_offset: usize,
@ -1053,7 +1054,7 @@ pub type FoldEdit = Edit<FoldOffset>;
mod tests {
use super::*;
use crate::ToPoint;
use language::Buffer;
use language::multi_buffer::MultiBuffer;
use rand::prelude::*;
use std::{env, mem};
use text::RandomCharIter;
@ -1062,8 +1063,9 @@ mod tests {
#[gpui::test]
fn test_basic_folds(cx: &mut gpui::MutableAppContext) {
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(5, 6, 'a'), cx));
let buffer_snapshot = buffer.read(cx).snapshot();
let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
let buffer_snapshot = buffer.read(cx).snapshot(cx);
let mut map = FoldMap::new(buffer_snapshot.clone()).0;
let (mut writer, _, _) = map.write(buffer_snapshot.clone(), vec![]);
@ -1086,8 +1088,7 @@ mod tests {
]
);
let (buffer_snapshot, edits) = buffer.update(cx, |buffer, cx| {
let v0 = buffer.version();
let buffer_snapshot = buffer.update(cx, |buffer, cx| {
buffer.edit(
vec![
Point::new(0, 0)..Point::new(0, 1),
@ -1096,9 +1097,10 @@ mod tests {
"123",
cx,
);
(buffer.snapshot(), buffer.edits_since(&v0).collect())
buffer.snapshot(cx)
});
let (snapshot3, edits) = map.read(buffer_snapshot.clone(), edits);
let (snapshot3, edits) =
map.read(buffer_snapshot.clone(), subscription.consume().into_inner());
assert_eq!(snapshot3.text(), "123a…c123c…eeeee");
assert_eq!(
edits,
@ -1114,12 +1116,11 @@ mod tests {
]
);
let (buffer_snapshot, edits) = buffer.update(cx, |buffer, cx| {
let v0 = buffer.version();
let buffer_snapshot = buffer.update(cx, |buffer, cx| {
buffer.edit(vec![Point::new(2, 6)..Point::new(4, 3)], "456", cx);
(buffer.snapshot(), buffer.edits_since(&v0).collect())
buffer.snapshot(cx)
});
let (snapshot4, _) = map.read(buffer_snapshot.clone(), edits);
let (snapshot4, _) = map.read(buffer_snapshot.clone(), subscription.consume().into_inner());
assert_eq!(snapshot4.text(), "123a…c123456eee");
let (mut writer, _, _) = map.write(buffer_snapshot.clone(), vec![]);
@ -1130,8 +1131,9 @@ mod tests {
#[gpui::test]
fn test_adjacent_folds(cx: &mut gpui::MutableAppContext) {
let buffer = cx.add_model(|cx| Buffer::new(0, "abcdefghijkl", cx));
let buffer_snapshot = buffer.read(cx).snapshot();
let buffer = MultiBuffer::build_simple("abcdefghijkl", cx);
let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
let buffer_snapshot = buffer.read(cx).snapshot(cx);
{
let mut map = FoldMap::new(buffer_snapshot.clone()).0;
@ -1164,20 +1166,20 @@ mod tests {
assert_eq!(snapshot.text(), "…fghijkl");
// Edit within one of the folds.
let (buffer_snapshot, edits) = buffer.update(cx, |buffer, cx| {
let v0 = buffer.version();
let buffer_snapshot = buffer.update(cx, |buffer, cx| {
buffer.edit(vec![0..1], "12345", cx);
(buffer.snapshot(), buffer.edits_since(&v0).collect())
buffer.snapshot(cx)
});
let (snapshot, _) = map.read(buffer_snapshot.clone(), edits);
let (snapshot, _) =
map.read(buffer_snapshot.clone(), subscription.consume().into_inner());
assert_eq!(snapshot.text(), "12345…fghijkl");
}
}
#[gpui::test]
fn test_overlapping_folds(cx: &mut gpui::MutableAppContext) {
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(5, 6, 'a'), cx));
let buffer_snapshot = buffer.read(cx).snapshot();
let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
let buffer_snapshot = buffer.read(cx).snapshot(cx);
let mut map = FoldMap::new(buffer_snapshot.clone()).0;
let (mut writer, _, _) = map.write(buffer_snapshot.clone(), vec![]);
writer.fold(vec![
@ -1192,8 +1194,9 @@ mod tests {
#[gpui::test]
fn test_merging_folds_via_edit(cx: &mut gpui::MutableAppContext) {
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(5, 6, 'a'), cx));
let buffer_snapshot = buffer.read(cx).snapshot();
let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
let buffer_snapshot = buffer.read(cx).snapshot(cx);
let mut map = FoldMap::new(buffer_snapshot.clone()).0;
let (mut writer, _, _) = map.write(buffer_snapshot.clone(), vec![]);
@ -1204,19 +1207,18 @@ mod tests {
let (snapshot, _) = map.read(buffer_snapshot.clone(), vec![]);
assert_eq!(snapshot.text(), "aa…cccc\nd…eeeee");
let (buffer_snapshot, edits) = buffer.update(cx, |buffer, cx| {
let v0 = buffer.version();
let buffer_snapshot = buffer.update(cx, |buffer, cx| {
buffer.edit(Some(Point::new(2, 2)..Point::new(3, 1)), "", cx);
(buffer.snapshot(), buffer.edits_since(&v0).collect())
buffer.snapshot(cx)
});
let (snapshot, _) = map.read(buffer_snapshot.clone(), edits);
let (snapshot, _) = map.read(buffer_snapshot.clone(), subscription.consume().into_inner());
assert_eq!(snapshot.text(), "aa…eeeee");
}
#[gpui::test]
fn test_folds_in_range(cx: &mut gpui::MutableAppContext) {
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(5, 6, 'a'), cx));
let buffer_snapshot = buffer.read(cx).snapshot();
let buffer = MultiBuffer::build_simple(&sample_text(5, 6, 'a'), cx);
let buffer_snapshot = buffer.read(cx).snapshot(cx);
let mut map = FoldMap::new(buffer_snapshot.clone()).0;
let buffer = buffer.read(cx);
@ -1230,7 +1232,9 @@ mod tests {
let (snapshot, _) = map.read(buffer_snapshot.clone(), vec![]);
let fold_ranges = snapshot
.folds_in_range(Point::new(1, 0)..Point::new(1, 3))
.map(|fold| fold.start.to_point(buffer)..fold.end.to_point(buffer))
.map(|fold| {
fold.start.to_point(&buffer.as_snapshot())..fold.end.to_point(&buffer.as_snapshot())
})
.collect::<Vec<_>>();
assert_eq!(
fold_ranges,
@ -1247,12 +1251,10 @@ mod tests {
.map(|i| i.parse().expect("invalid `OPERATIONS` variable"))
.unwrap_or(10);
let buffer = cx.add_model(|cx| {
let len = rng.gen_range(0..10);
let text = RandomCharIter::new(&mut rng).take(len).collect::<String>();
Buffer::new(0, text, cx)
});
let buffer_snapshot = buffer.read(cx).snapshot();
let len = rng.gen_range(0..10);
let text = RandomCharIter::new(&mut rng).take(len).collect::<String>();
let buffer = MultiBuffer::build_simple(&text, cx);
let buffer_snapshot = buffer.read(cx).snapshot(cx);
let mut map = FoldMap::new(buffer_snapshot.clone()).0;
let (mut initial_snapshot, _) = map.read(buffer_snapshot.clone(), vec![]);
@ -1260,23 +1262,21 @@ mod tests {
for _ in 0..operations {
log::info!("text: {:?}", buffer.read(cx).text());
let buffer_edits = match rng.gen_range(0..=100) {
let mut buffer_edits = Vec::new();
match rng.gen_range(0..=100) {
0..=59 => {
snapshot_edits.extend(map.randomly_mutate(&mut rng));
vec![]
}
_ => buffer.update(cx, |buffer, cx| {
let start_version = buffer.version.clone();
let subscription = buffer.subscribe();
let edit_count = rng.gen_range(1..=5);
buffer.randomly_edit(&mut rng, edit_count, cx);
let edits = buffer
.edits_since::<Point>(&start_version)
.collect::<Vec<_>>();
let edits = subscription.consume().into_inner();
log::info!("editing {:?}", edits);
buffer.edits_since::<usize>(&start_version).collect()
buffer_edits.extend(edits);
}),
};
let buffer_snapshot = buffer.read(cx).snapshot();
let buffer_snapshot = buffer.read(cx).snapshot(cx);
let (snapshot, edits) = map.read(buffer_snapshot.clone(), buffer_edits);
snapshot_edits.push((snapshot.clone(), edits));
@ -1285,8 +1285,8 @@ mod tests {
let mut expected_buffer_rows = Vec::new();
let mut next_row = buffer_snapshot.max_point().row;
for fold_range in map.merged_fold_ranges().into_iter().rev() {
let fold_start = buffer_snapshot.point_for_offset(fold_range.start).unwrap();
let fold_end = buffer_snapshot.point_for_offset(fold_range.end).unwrap();
let fold_start = buffer_snapshot.offset_to_point(fold_range.start);
let fold_end = buffer_snapshot.offset_to_point(fold_range.end);
expected_buffer_rows.extend((fold_end.row + 1..=next_row).rev());
next_row = fold_start.row;
@ -1458,9 +1458,9 @@ mod tests {
#[gpui::test]
fn test_buffer_rows(cx: &mut gpui::MutableAppContext) {
let text = sample_text(6, 6, 'a') + "\n";
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx));
let buffer = MultiBuffer::build_simple(&text, cx);
let buffer_snapshot = buffer.read(cx).snapshot();
let buffer_snapshot = buffer.read(cx).snapshot(cx);
let mut map = FoldMap::new(buffer_snapshot.clone()).0;
let (mut writer, _, _) = map.write(buffer_snapshot.clone(), vec![]);

12
crates/editor/src/display_map/tab_map.rs
View file

@ -435,7 +435,7 @@ impl<'a> Iterator for TabChunks<'a> {
mod tests {
use super::*;
use crate::display_map::fold_map::FoldMap;
use language::Buffer;
use language::multi_buffer::MultiBuffer;
use rand::{prelude::StdRng, Rng};
use text::{RandomCharIter, Rope};
@ -449,12 +449,10 @@ mod tests {
#[gpui::test(iterations = 100)]
fn test_random(cx: &mut gpui::MutableAppContext, mut rng: StdRng) {
let tab_size = rng.gen_range(1..=4);
let buffer = cx.add_model(|cx| {
let len = rng.gen_range(0..30);
let text = RandomCharIter::new(&mut rng).take(len).collect::<String>();
Buffer::new(0, text, cx)
});
let buffer_snapshot = buffer.read(cx).snapshot();
let len = rng.gen_range(0..30);
let text = RandomCharIter::new(&mut rng).take(len).collect::<String>();
let buffer = MultiBuffer::build_simple(&text, cx);
let buffer_snapshot = buffer.read(cx).snapshot(cx);
log::info!("Buffer text: {:?}", buffer.read(cx).text());
let (mut fold_map, _) = FoldMap::new(buffer_snapshot.clone());

14
crates/editor/src/display_map/wrap_map.rs
View file

@ -974,7 +974,7 @@ mod tests {
display_map::{fold_map::FoldMap, tab_map::TabMap},
test::Observer,
};
use language::{Buffer, RandomCharIter};
use language::{multi_buffer::MultiBuffer, RandomCharIter};
use rand::prelude::*;
use std::{cmp, env};
use text::Rope;
@ -1004,12 +1004,12 @@ mod tests {
log::info!("Tab size: {}", tab_size);
log::info!("Wrap width: {:?}", wrap_width);
let buffer = cx.add_model(|cx| {
let buffer = cx.update(|cx| {
let len = rng.gen_range(0..10);
let text = RandomCharIter::new(&mut rng).take(len).collect::<String>();
Buffer::new(0, text, cx)
MultiBuffer::build_simple(&text, cx)
});
let buffer_snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
let buffer_snapshot = buffer.read_with(&cx, |buffer, cx| buffer.snapshot(cx));
let (mut fold_map, folds_snapshot) = FoldMap::new(buffer_snapshot.clone());
let (tab_map, tabs_snapshot) = TabMap::new(folds_snapshot.clone(), tab_size);
log::info!(
@ -1074,15 +1074,15 @@ mod tests {
}
_ => {
buffer.update(&mut cx, |buffer, cx| {
let v0 = buffer.version();
let subscription = buffer.subscribe();
let edit_count = rng.gen_range(1..=5);
buffer.randomly_edit(&mut rng, edit_count, cx);
buffer_edits.extend(buffer.edits_since(&v0));
buffer_edits.extend(subscription.consume());
});
}
}
let buffer_snapshot = buffer.read_with(&cx, |buffer, _| buffer.snapshot());
let buffer_snapshot = buffer.read_with(&cx, |buffer, cx| buffer.snapshot(cx));
log::info!("Unwrapped text (no folds): {:?}", buffer_snapshot.text());
let (folds_snapshot, fold_edits) = fold_map.read(buffer_snapshot, buffer_edits);
log::info!(

480
crates/editor/src/editor.rs
View file

File diff suppressed because it is too large Load diff

19
crates/editor/src/element.rs
View file

@ -19,7 +19,7 @@ use gpui::{
MutableAppContext, PaintContext, Quad, Scene, SizeConstraint, ViewContext, WeakViewHandle,
};
use json::json;
use language::{Chunk, ToPoint};
use language::{multi_buffer::ToPoint, Chunk};
use smallvec::SmallVec;
use std::{
cmp::{self, Ordering},
@ -738,13 +738,11 @@ impl Element for EditorElement {
self.update_view(cx.app, |view, cx| {
highlighted_row = view.highlighted_row();
for selection_set_id in view.active_selection_sets(cx).collect::<Vec<_>>() {
let replica_selections = view
.intersecting_selections(
selection_set_id,
DisplayPoint::new(start_row, 0)..DisplayPoint::new(end_row, 0),
cx,
)
.collect::<Vec<_>>();
let replica_selections = view.intersecting_selections(
selection_set_id,
DisplayPoint::new(start_row, 0)..DisplayPoint::new(end_row, 0),
cx,
);
for selection in &replica_selections {
if selection_set_id == view.selection_set_id {
let is_empty = selection.start == selection.end;
@ -1165,14 +1163,13 @@ fn scale_horizontal_mouse_autoscroll_delta(delta: f32) -> f32 {
mod tests {
use super::*;
use crate::{Editor, EditorSettings};
use language::Buffer;
use language::{MultiBuffer};
use util::test::sample_text;
#[gpui::test]
fn test_layout_line_numbers(cx: &mut gpui::MutableAppContext) {
let settings = EditorSettings::test(cx);
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(6, 6, 'a'), cx));
let buffer = MultiBuffer::build_simple(&sample_text(6, 6, 'a'), cx);
let (window_id, editor) = cx.add_window(Default::default(), |cx| {
Editor::for_buffer(
buffer,

38
crates/editor/src/items.rs
View file

@ -5,12 +5,15 @@ use gpui::{
MutableAppContext, RenderContext, Subscription, Task, View, ViewContext, ViewHandle,
WeakModelHandle,
};
use language::{Buffer, Diagnostic, File as _};
use language::{
multi_buffer::{MultiBuffer, ToPoint as _},
Diagnostic, File as _,
};
use postage::watch;
use project::{ProjectPath, Worktree};
use std::fmt::Write;
use std::path::Path;
use text::{Point, Selection, ToPoint};
use text::{Point, Selection};
use workspace::{
settings, EntryOpener, ItemHandle, ItemView, ItemViewHandle, Settings, StatusItemView,
WeakItemHandle,
@ -19,10 +22,10 @@ use workspace::{
pub struct BufferOpener;
#[derive(Clone)]
pub struct BufferItemHandle(pub ModelHandle<Buffer>);
pub struct BufferItemHandle(pub ModelHandle<MultiBuffer>);
#[derive(Clone)]
struct WeakBufferItemHandle(WeakModelHandle<Buffer>);
struct WeakBufferItemHandle(WeakModelHandle<MultiBuffer>);
impl EntryOpener for BufferOpener {
fn open(
@ -32,10 +35,10 @@ impl EntryOpener for BufferOpener {
cx: &mut ModelContext<Worktree>,
) -> Option<Task<Result<Box<dyn ItemHandle>>>> {
let buffer = worktree.open_buffer(project_path.path, cx);
let task = cx.spawn(|_, _| async move {
buffer
.await
.map(|buffer| Box::new(BufferItemHandle(buffer)) as Box<dyn ItemHandle>)
let task = cx.spawn(|_, mut cx| async move {
let buffer = buffer.await?;
let buffer = cx.add_model(|cx| MultiBuffer::singleton(buffer, cx));
Ok(Box::new(BufferItemHandle(buffer)) as Box<dyn ItemHandle>)
});
Some(task)
}
@ -102,7 +105,7 @@ impl ItemHandle for BufferItemHandle {
}
fn project_path(&self, cx: &AppContext) -> Option<ProjectPath> {
self.0.read(cx).file().map(|f| ProjectPath {
self.0.read(cx).file(cx).map(|f| ProjectPath {
worktree_id: f.worktree_id(),
path: f.path().clone(),
})
@ -137,7 +140,7 @@ impl ItemView for Editor {
let filename = self
.buffer()
.read(cx)
.file()
.file(cx)
.and_then(|file| file.file_name());
if let Some(name) = filename {
name.to_string_lossy().into()
@ -147,7 +150,7 @@ impl ItemView for Editor {
}
fn project_path(&self, cx: &AppContext) -> Option<ProjectPath> {
self.buffer().read(cx).file().map(|file| ProjectPath {
self.buffer().read(cx).file(cx).map(|file| ProjectPath {
worktree_id: file.worktree_id(),
path: file.path().clone(),
})
@ -174,7 +177,14 @@ impl ItemView for Editor {
path: &Path,
cx: &mut ViewContext<Self>,
) -> Task<Result<()>> {
self.buffer().update(cx, |buffer, cx| {
let buffer = self
.buffer()
.read(cx)
.as_singleton()
.expect("cannot call save_as on an excerpt list")
.clone();
buffer.update(cx, |buffer, cx| {
let handle = cx.handle();
let text = buffer.as_rope().clone();
let version = buffer.version();
@ -237,7 +247,7 @@ impl CursorPosition {
fn update_position(&mut self, editor: ViewHandle<Editor>, cx: &mut ViewContext<Self>) {
let editor = editor.read(cx);
let buffer = editor.buffer().read(cx);
let buffer = editor.buffer().read(cx).snapshot(cx);
self.selected_count = 0;
let mut last_selection: Option<Selection<usize>> = None;
@ -250,7 +260,7 @@ impl CursorPosition {
last_selection = Some(selection);
}
}
self.position = last_selection.map(|s| s.head().to_point(buffer));
self.position = last_selection.map(|s| s.head().to_point(&buffer));
cx.notify();
}

9
crates/editor/src/movement.rs
View file

@ -1,7 +1,7 @@
use super::{Bias, DisplayPoint, DisplaySnapshot, SelectionGoal, ToDisplayPoint};
use anyhow::Result;
use language::multi_buffer::ToPoint;
use std::{cmp, ops::Range};
use text::ToPoint;
pub fn left(map: &DisplaySnapshot, mut point: DisplayPoint) -> Result<DisplayPoint> {
if point.column() > 0 {
@ -244,7 +244,8 @@ fn char_kind(c: char) -> CharKind {
#[cfg(test)]
mod tests {
use super::*;
use crate::{display_map::DisplayMap, Buffer};
use crate::display_map::DisplayMap;
use language::MultiBuffer;
#[gpui::test]
fn test_prev_next_word_boundary_multibyte(cx: &mut gpui::MutableAppContext) {
@ -256,7 +257,7 @@ mod tests {
.unwrap();
let font_size = 14.0;
let buffer = cx.add_model(|cx| Buffer::new(0, "a bcΔ defγ hi—jk", cx));
let buffer = MultiBuffer::build_simple("a bcΔ defγ hi—jk", cx);
let display_map =
cx.add_model(|cx| DisplayMap::new(buffer, tab_size, font_id, font_size, None, cx));
let snapshot = display_map.update(cx, |map, cx| map.snapshot(cx));
@ -312,7 +313,7 @@ mod tests {
.select_font(family_id, &Default::default())
.unwrap();
let font_size = 14.0;
let buffer = cx.add_model(|cx| Buffer::new(0, "lorem ipsum dolor\n sit", cx));
let buffer = MultiBuffer::build_simple("lorem ipsum dolor\n sit", cx);
let display_map =
cx.add_model(|cx| DisplayMap::new(buffer, tab_size, font_id, font_size, None, cx));
let snapshot = display_map.update(cx, |map, cx| map.snapshot(cx));

2
crates/go_to_line/src/go_to_line.rs
View file

@ -67,7 +67,7 @@ impl GoToLine {
let (restore_state, cursor_point, max_point) = active_editor.update(cx, |editor, cx| {
let restore_state = Some(RestoreState {
scroll_position: editor.scroll_position(cx),
selections: editor.selections::<usize>(cx).collect(),
selections: editor.selections::<usize>(cx),
});
(

3
crates/language/src/language.rs
View file

@ -1,6 +1,6 @@
mod buffer;
mod highlight_map;
mod multi_buffer;
pub mod multi_buffer;
pub mod proto;
#[cfg(test)]
mod tests;
@ -12,6 +12,7 @@ use gpui::{executor::Background, AppContext};
use highlight_map::HighlightMap;
use lazy_static::lazy_static;
use lsp::LanguageServer;
pub use multi_buffer::MultiBuffer;
use parking_lot::Mutex;
use serde::Deserialize;
use std::{collections::HashSet, path::Path, str, sync::Arc};

422
crates/language/src/multi_buffer.rs
View file

@ -5,20 +5,25 @@ mod selection;
use self::location::*;
use crate::{
buffer::{self, Buffer, Chunk, ToOffset as _, ToPoint as _},
BufferSnapshot,
BufferSnapshot, Diagnostic, File, Language,
};
use anyhow::Result;
use clock::ReplicaId;
use collections::HashMap;
use gpui::{AppContext, Entity, ModelContext, ModelHandle};
use parking_lot::Mutex;
use std::{cmp, ops::Range};
use gpui::{AppContext, Entity, ModelContext, ModelHandle, MutableAppContext, Task};
use parking_lot::{Mutex, MutexGuard};
use std::{cmp, io, ops::Range, sync::Arc, time::SystemTime};
use sum_tree::{Bias, Cursor, SumTree};
use text::{
rope::TextDimension,
subscription::{Subscription, Topic},
AnchorRangeExt, Edit, Point, PointUtf16, TextSummary,
AnchorRangeExt as _, Edit, Point, PointUtf16, Selection, SelectionSetId, TextSummary,
};
use theme::SyntaxTheme;
pub use anchor::{Anchor, AnchorRangeExt, AnchorRangeMap, AnchorRangeSet};
pub use selection::SelectionSet;
const NEWLINES: &'static [u8] = &[b'\n'; u8::MAX as usize];
#[derive(Default)]
@ -28,11 +33,11 @@ pub struct MultiBuffer {
subscriptions: Topic,
}
pub trait ToOffset {
pub trait ToOffset: 'static {
fn to_offset<'a>(&self, snapshot: &MultiBufferSnapshot) -> usize;
}
pub trait ToPoint {
pub trait ToPoint: 'static {
fn to_point<'a>(&self, snapshot: &MultiBufferSnapshot) -> Point;
}
@ -69,7 +74,7 @@ struct ExcerptSummary {
text: TextSummary,
}
pub struct Chunks<'a> {
pub struct MultiBufferChunks<'a> {
range: Range<usize>,
cursor: Cursor<'a, Excerpt, usize>,
header_height: u8,
@ -77,20 +82,155 @@ pub struct Chunks<'a> {
theme: Option<&'a SyntaxTheme>,
}
pub struct MultiBufferBytes<'a> {
chunks: MultiBufferChunks<'a>,
}
impl MultiBuffer {
pub fn new() -> Self {
Self::default()
}
pub fn singleton(buffer: ModelHandle<Buffer>, cx: &mut ModelContext<Self>) -> Self {
let mut this = Self::new();
this.push(
ExcerptProperties {
buffer: &buffer,
range: text::Anchor::min()..text::Anchor::max(),
header_height: 0,
},
cx,
);
this
}
pub fn build_simple(text: &str, cx: &mut MutableAppContext) -> ModelHandle<Self> {
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx));
cx.add_model(|cx| Self::singleton(buffer, cx))
}
pub fn snapshot(&self, cx: &AppContext) -> MultiBufferSnapshot {
self.sync(cx);
self.snapshot.lock().clone()
}
pub fn as_snapshot(&self) -> MutexGuard<MultiBufferSnapshot> {
self.snapshot.lock()
}
pub fn as_singleton(&self) -> Option<&ModelHandle<Buffer>> {
if self.buffers.len() == 1 {
return Some(&self.buffers.values().next().unwrap().buffer);
} else {
None
}
}
pub fn subscribe(&mut self) -> Subscription {
self.subscriptions.subscribe()
}
pub fn edit<I, S, T>(&mut self, ranges_iter: I, new_text: T, cx: &mut ModelContext<Self>)
where
I: IntoIterator<Item = Range<S>>,
S: ToOffset,
T: Into<String>,
{
self.edit_internal(ranges_iter, new_text, false, cx)
}
pub fn edit_with_autoindent<I, S, T>(
&mut self,
ranges_iter: I,
new_text: T,
cx: &mut ModelContext<Self>,
) where
I: IntoIterator<Item = Range<S>>,
S: ToOffset,
T: Into<String>,
{
self.edit_internal(ranges_iter, new_text, true, cx)
}
pub fn edit_internal<I, S, T>(
&mut self,
ranges_iter: I,
new_text: T,
autoindent: bool,
cx: &mut ModelContext<Self>,
) where
I: IntoIterator<Item = Range<S>>,
S: ToOffset,
T: Into<String>,
{
todo!()
}
pub fn start_transaction(
&mut self,
selection_set_ids: impl IntoIterator<Item = SelectionSetId>,
) -> Result<()> {
todo!()
}
pub fn end_transaction(
&mut self,
selection_set_ids: impl IntoIterator<Item = SelectionSetId>,
cx: &mut ModelContext<Self>,
) -> Result<()> {
todo!()
}
pub fn undo(&mut self, cx: &mut ModelContext<Self>) {
todo!()
}
pub fn redo(&mut self, cx: &mut ModelContext<Self>) {
todo!()
}
pub fn selection_set(&self, set_id: SelectionSetId) -> Result<&SelectionSet> {
todo!()
}
pub fn add_selection_set<T: ToOffset>(
&mut self,
selections: &[Selection<T>],
cx: &mut ModelContext<Self>,
) -> SelectionSetId {
todo!()
}
pub fn remove_selection_set(
&mut self,
set_id: SelectionSetId,
cx: &mut ModelContext<Self>,
) -> Result<()> {
todo!()
}
pub fn update_selection_set<T: ToOffset>(
&mut self,
set_id: SelectionSetId,
selections: &[Selection<T>],
cx: &mut ModelContext<Self>,
) -> Result<()> {
todo!()
}
pub fn set_active_selection_set(
&mut self,
set_id: Option<SelectionSetId>,
cx: &mut ModelContext<Self>,
) -> Result<()> {
todo!()
}
pub fn selection_sets(&self) -> impl Iterator<Item = (&SelectionSetId, &SelectionSet)> {
todo!();
None.into_iter()
}
pub fn push<O>(&mut self, props: ExcerptProperties<O>, cx: &mut ModelContext<Self>) -> ExcerptId
where
O: text::ToOffset,
@ -125,6 +265,30 @@ impl MultiBuffer {
id
}
pub fn save(
&mut self,
cx: &mut ModelContext<Self>,
) -> Result<Task<Result<(clock::Global, SystemTime)>>> {
todo!()
}
pub fn file<'a>(&self, cx: &'a AppContext) -> Option<&'a dyn File> {
self.as_singleton()
.and_then(|buffer| buffer.read(cx).file())
}
pub fn is_dirty(&self) -> bool {
todo!()
}
pub fn has_conflict(&self) -> bool {
todo!()
}
pub fn is_parsing(&self, _: &AppContext) -> bool {
todo!()
}
fn sync(&self, cx: &AppContext) {
let mut snapshot = self.snapshot.lock();
let mut excerpts_to_edit = Vec::new();
@ -194,17 +358,141 @@ impl MultiBuffer {
}
}
// Methods delegating to the snapshot
impl MultiBuffer {
pub fn replica_id(&self) -> ReplicaId {
self.snapshot.lock().replica_id()
}
pub fn text(&self) -> String {
self.snapshot.lock().text()
}
pub fn text_for_range<'a, T: ToOffset>(
&'a self,
range: Range<T>,
) -> impl Iterator<Item = &'a str> {
todo!();
[].into_iter()
}
pub fn max_point(&self) -> Point {
self.snapshot.lock().max_point()
}
pub fn len(&self) -> usize {
self.snapshot.lock().len()
}
pub fn line_len(&self, row: u32) -> u32 {
self.snapshot.lock().line_len(row)
}
pub fn is_line_blank(&self, row: u32) -> bool {
self.snapshot.lock().is_line_blank(row)
}
pub fn indent_column_for_line(&self, row: u32) -> u32 {
self.snapshot.lock().indent_column_for_line(row)
}
pub fn anchor_before<T: ToOffset>(&self, position: T) -> Anchor {
self.snapshot.lock().anchor_before(position)
}
pub fn anchor_after<T: ToOffset>(&self, position: T) -> Anchor {
self.snapshot.lock().anchor_after(position)
}
pub fn anchor_at<T: ToOffset>(&self, position: T, bias: Bias) -> Anchor {
self.snapshot.lock().anchor_at(position, bias)
}
pub fn anchor_range_set<E>(
&self,
start_bias: Bias,
end_bias: Bias,
entries: E,
) -> AnchorRangeSet
where
E: IntoIterator<Item = Range<usize>>,
{
todo!()
}
pub fn clip_offset(&self, offset: usize, bias: Bias) -> usize {
self.snapshot.lock().clip_offset(offset, bias)
}
pub fn clip_point(&self, point: Point, bias: Bias) -> Point {
self.snapshot.lock().clip_point(point, bias)
}
pub fn language<'a>(&self) -> Option<&'a Arc<Language>> {
todo!()
}
pub fn parse_count(&self) -> usize {
self.snapshot.lock().parse_count()
}
pub fn diagnostics_update_count(&self) -> usize {
self.snapshot.lock().diagnostics_update_count()
}
pub fn diagnostics_in_range<'a, T, O>(
&'a self,
search_range: Range<T>,
) -> impl Iterator<Item = (Range<O>, &Diagnostic)> + 'a
where
T: 'a + ToOffset,
O: 'a,
{
todo!();
None.into_iter()
}
}
#[cfg(any(test, feature = "test-support"))]
impl MultiBuffer {
pub fn randomly_edit<R: rand::Rng>(&mut self, _: &mut R, _: usize, _: &mut ModelContext<Self>) {
todo!()
}
pub fn randomly_mutate<R: rand::Rng>(&mut self, rng: &mut R, cx: &mut ModelContext<Self>) {
todo!()
}
}
impl Entity for MultiBuffer {
type Event = ();
type Event = super::Event;
}
impl MultiBufferSnapshot {
pub fn replica_id(&self) -> ReplicaId {
todo!()
}
pub fn text(&self) -> String {
self.chunks(0..self.len(), None)
.map(|chunk| chunk.text)
.collect()
}
pub fn reversed_chars_at<'a, T: ToOffset>(
&'a self,
position: T,
) -> impl Iterator<Item = char> + 'a {
todo!();
None.into_iter()
}
pub fn chars_at<'a, T: ToOffset>(&'a self, position: T) -> impl Iterator<Item = char> + 'a {
let offset = position.to_offset(self);
self.text_for_range(offset..self.len())
.flat_map(|chunk| chunk.chars())
}
pub fn text_for_range<'a, T: ToOffset>(
&'a self,
range: Range<T>,
@ -212,6 +500,18 @@ impl MultiBufferSnapshot {
self.chunks(range, None).map(|chunk| chunk.text)
}
pub fn is_line_blank(&self, row: u32) -> bool {
self.text_for_range(Point::new(row, 0)..Point::new(row, self.line_len(row)))
.all(|chunk| chunk.matches(|c: char| !c.is_whitespace()).next().is_none())
}
pub fn contains_str_at<T>(&self, _: T, _: &str) -> bool
where
T: ToOffset,
{
todo!()
}
pub fn len(&self) -> usize {
self.excerpts.summary().text.bytes
}
@ -291,11 +591,15 @@ impl MultiBufferSnapshot {
}
}
pub fn bytes_in_range<'a, T: ToOffset>(&'a self, range: Range<T>) -> MultiBufferBytes<'a> {
todo!()
}
pub fn chunks<'a, T: ToOffset>(
&'a self,
range: Range<T>,
theme: Option<&'a SyntaxTheme>,
) -> Chunks<'a> {
) -> MultiBufferChunks<'a> {
let range = range.start.to_offset(self)..range.end.to_offset(self);
let mut cursor = self.excerpts.cursor::<usize>();
cursor.seek(&range.start, Bias::Right, &());
@ -331,7 +635,7 @@ impl MultiBufferSnapshot {
excerpt.buffer.chunks(buffer_start..buffer_end, theme)
});
Chunks {
MultiBufferChunks {
range,
cursor,
header_height,
@ -413,6 +717,10 @@ impl MultiBufferSnapshot {
}
}
pub fn indent_column_for_line(&self, row: u32) -> u32 {
todo!()
}
pub fn line_len(&self, row: u32) -> u32 {
let mut cursor = self.excerpts.cursor::<Point>();
cursor.seek(&Point::new(row, 0), Bias::Right, &());
@ -534,18 +842,62 @@ impl MultiBufferSnapshot {
summary
}
fn resolve_excerpt<'a, D: TextDimension>(
pub fn anchor_before<T: ToOffset>(&self, position: T) -> Anchor {
self.anchor_at(position, Bias::Left)
}
pub fn anchor_after<T: ToOffset>(&self, position: T) -> Anchor {
self.anchor_at(position, Bias::Right)
}
pub fn anchor_at<T: ToOffset>(&self, position: T, bias: Bias) -> Anchor {
todo!()
}
pub fn parse_count(&self) -> usize {
todo!()
}
pub fn enclosing_bracket_ranges<T: ToOffset>(
&self,
range: Range<T>,
) -> Option<(Range<usize>, Range<usize>)> {
todo!()
}
pub fn diagnostics_update_count(&self) -> usize {
todo!()
}
pub fn language<'a>(&self) -> Option<&'a Arc<Language>> {
todo!()
}
pub fn diagnostic_group<'a, O>(
&'a self,
excerpt_id: &ExcerptId,
) -> Option<(D, &'a BufferSnapshot)> {
let mut cursor = self.excerpts.cursor::<(ExcerptId, TextSummary)>();
cursor.seek(excerpt_id, Bias::Left, &());
if let Some(excerpt) = cursor.item() {
if cursor.start().0 == *excerpt_id {
return Some((D::from_text_summary(&cursor.start().1), &excerpt.buffer));
}
}
None
group_id: usize,
) -> impl Iterator<Item = (Range<O>, &Diagnostic)> + 'a
where
O: 'a,
{
todo!();
None.into_iter()
}
pub fn diagnostics_in_range<'a, T, O>(
&'a self,
search_range: Range<T>,
) -> impl Iterator<Item = (Range<O>, &Diagnostic)> + 'a
where
T: 'a + ToOffset,
O: 'a,
{
todo!();
None.into_iter()
}
pub fn range_for_syntax_ancestor<T: ToOffset>(&self, range: Range<T>) -> Option<Range<usize>> {
todo!()
}
fn buffer_snapshot_for_excerpt<'a>(
@ -672,7 +1024,17 @@ impl<'a> sum_tree::Dimension<'a, ExcerptSummary> for Location {
}
}
impl<'a> Iterator for Chunks<'a> {
impl<'a> MultiBufferChunks<'a> {
pub fn offset(&self) -> usize {
todo!()
}
pub fn seek(&mut self, offset: usize) {
todo!()
}
}
impl<'a> Iterator for MultiBufferChunks<'a> {
type Item = Chunk<'a>;
fn next(&mut self) -> Option<Self::Item> {
@ -726,6 +1088,20 @@ impl<'a> Iterator for Chunks<'a> {
}
}
impl<'a> Iterator for MultiBufferBytes<'a> {
type Item = &'a [u8];
fn next(&mut self) -> Option<Self::Item> {
todo!()
}
}
impl<'a> io::Read for MultiBufferBytes<'a> {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
todo!()
}
}
impl ToOffset for Point {
fn to_offset<'a>(&self, snapshot: &MultiBufferSnapshot) -> usize {
snapshot.point_to_offset(*self)

89
crates/language/src/multi_buffer/anchor.rs
View file

@ -1,9 +1,12 @@
use super::{location::*, ExcerptSummary, MultiBufferSnapshot, ToOffset};
use super::{location::*, ExcerptSummary, MultiBufferSnapshot, ToOffset, ToPoint};
use anyhow::{anyhow, Result};
use smallvec::SmallVec;
use std::{cmp::Ordering, ops::Range};
use std::{
cmp::Ordering,
ops::{Range, Sub},
};
use sum_tree::Bias;
use text::{rope::TextDimension, AnchorRangeExt, ToOffset as _};
use text::{rope::TextDimension, AnchorRangeExt as _, Point};
#[derive(Clone, Eq, PartialEq, Debug, Hash)]
pub struct Anchor {
@ -16,6 +19,9 @@ pub struct AnchorRangeMap<T> {
entries: SmallVec<[(ExcerptId, text::AnchorRangeMap<T>); 1]>,
}
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct AnchorRangeSet(AnchorRangeMap<()>);
impl Anchor {
pub fn min() -> Self {
Self {
@ -68,6 +74,27 @@ impl Anchor {
}
self.clone()
}
pub fn summary<'a, D>(&self, snapshot: &'a MultiBufferSnapshot) -> D
where
D: TextDimension + Ord + Sub<D, Output = D>,
{
let mut cursor = snapshot.excerpts.cursor::<ExcerptSummary>();
cursor.seek(&self.excerpt_id, Bias::Left, &());
if let Some(excerpt) = cursor.item() {
if excerpt.id == self.excerpt_id {
let mut excerpt_start = D::from_text_summary(&cursor.start().text);
excerpt_start.add_summary(&excerpt.header_summary(), &());
let excerpt_buffer_start = excerpt.range.start.summary::<D>(&excerpt.buffer);
let buffer_point = self.text_anchor.summary::<D>(&excerpt.buffer);
if buffer_point > excerpt_buffer_start {
excerpt_start.add_assign(&(buffer_point - excerpt_buffer_start));
}
return excerpt_start;
}
}
D::from_text_summary(&cursor.start().text)
}
}
impl<T> AnchorRangeMap<T> {
@ -263,18 +290,48 @@ impl<T> AnchorRangeMap<T> {
}
}
impl ToOffset for Anchor {
fn to_offset<'a>(&self, snapshot: &MultiBufferSnapshot) -> usize {
let mut cursor = snapshot.excerpts.cursor::<ExcerptSummary>();
cursor.seek(&self.excerpt_id, Bias::Left, &());
if let Some(excerpt) = cursor.item() {
if excerpt.id == self.excerpt_id {
let buffer_offset = self.text_anchor.to_offset(&excerpt.buffer);
return cursor.start().text.bytes
+ excerpt.header_height as usize
+ buffer_offset.saturating_sub(excerpt.range.start.to_offset(&excerpt.buffer));
}
}
cursor.start().text.bytes
impl AnchorRangeSet {
pub fn len(&self) -> usize {
self.0.len()
}
pub fn ranges<'a, D>(
&'a self,
content: &'a MultiBufferSnapshot,
) -> impl 'a + Iterator<Item = Range<Point>>
where
D: TextDimension,
{
self.0.ranges(content).map(|(range, _)| range)
}
}
impl ToOffset for Anchor {
fn to_offset<'a>(&self, snapshot: &MultiBufferSnapshot) -> usize {
self.summary(snapshot)
}
}
impl ToPoint for Anchor {
fn to_point<'a>(&self, snapshot: &MultiBufferSnapshot) -> Point {
self.summary(snapshot)
}
}
pub trait AnchorRangeExt {
fn cmp(&self, b: &Range<Anchor>, buffer: &MultiBufferSnapshot) -> Result<Ordering>;
fn to_offset(&self, content: &MultiBufferSnapshot) -> Range<usize>;
}
impl AnchorRangeExt for Range<Anchor> {
fn cmp(&self, other: &Range<Anchor>, buffer: &MultiBufferSnapshot) -> Result<Ordering> {
Ok(match self.start.cmp(&other.start, buffer)? {
Ordering::Equal => other.end.cmp(&self.end, buffer)?,
ord @ _ => ord,
})
}
fn to_offset(&self, content: &MultiBufferSnapshot) -> Range<usize> {
self.start.to_offset(&content)..self.end.to_offset(&content)
}
}

2
crates/language/src/tests.rs
View file

@ -376,7 +376,7 @@ fn test_autoindent_moves_selections(cx: &mut MutableAppContext) {
.selection_set(selection_set_id)
.unwrap()
.selections::<Point>(&buffer)
.map(|selection| selection.point_range(&buffer))
.map(|selection| selection.start.to_point(&buffer)..selection.end.to_point(&buffer))
.collect::<Vec<_>>();
assert_eq!(selection_ranges[0], empty(Point::new(1, 4)));

3
crates/server/src/rpc.rs
View file

@ -948,7 +948,7 @@ mod tests {
fs::{FakeFs, Fs as _},
language::{
tree_sitter_rust, Diagnostic, Language, LanguageConfig, LanguageRegistry,
LanguageServerConfig, Point,
LanguageServerConfig, MultiBuffer, Point,
},
lsp,
project::{ProjectPath, Worktree},
@ -1035,6 +1035,7 @@ mod tests {
.update(&mut cx_b, |worktree, cx| worktree.open_buffer("b.txt", cx))
.await
.unwrap();
let buffer_b = cx_b.add_model(|cx| MultiBuffer::singleton(buffer_b, cx));
buffer_b.read_with(&cx_b, |buf, _| assert_eq!(buf.text(), "b-contents"));
worktree_a.read_with(&cx_a, |tree, cx| assert!(tree.has_open_buffer("b.txt", cx)));
let buffer_a = worktree_a

9
crates/text/src/patch.rs
View file

@ -201,6 +201,15 @@ where
}
}
impl<T: Clone> IntoIterator for Patch<T> {
type Item = Edit<T>;
type IntoIter = std::vec::IntoIter<Edit<T>>;
fn into_iter(self) -> Self::IntoIter {
self.0.into_iter()
}
}
impl<'a, T: Clone> IntoIterator for &'a Patch<T> {
type Item = Edit<T>;
type IntoIter = std::iter::Cloned<std::slice::Iter<'a, Edit<T>>>;

24
crates/text/src/selection.rs
View file

@ -1,6 +1,4 @@
use crate::{
rope::TextDimension, AnchorRangeMap, Buffer, BufferSnapshot, Point, ToOffset, ToPoint,
};
use crate::{rope::TextDimension, AnchorRangeMap, BufferSnapshot, ToOffset, ToPoint};
use std::{cmp::Ordering, ops::Range, sync::Arc};
use sum_tree::Bias;
@ -75,26 +73,6 @@ impl<T: ToOffset + ToPoint + Copy + Ord> Selection<T> {
self.end = head;
}
}
pub fn point_range(&self, buffer: &Buffer) -> Range<Point> {
let start = self.start.to_point(buffer);
let end = self.end.to_point(buffer);
if self.reversed {
end..start
} else {
start..end
}
}
pub fn offset_range(&self, buffer: &Buffer) -> Range<usize> {
let start = self.start.to_offset(buffer);
let end = self.end.to_offset(buffer);
if self.reversed {
end..start
} else {
start..end
}
}
}
impl SelectionSet {

14
crates/text/src/text.rs
View file

@ -1850,13 +1850,13 @@ impl BufferSnapshot {
self.visible_text.clip_point_utf16(point, bias)
}
pub fn point_for_offset(&self, offset: usize) -> Result<Point> {
if offset <= self.len() {
Ok(self.text_summary_for_range(0..offset))
} else {
Err(anyhow!("offset out of bounds"))
}
}
// pub fn point_for_offset(&self, offset: usize) -> Result<Point> {
// if offset <= self.len() {
// Ok(self.text_summary_for_range(0..offset))
// } else {
// Err(anyhow!("offset out of bounds"))
// }
// }
pub fn edits_since<'a, D>(
&'a self,