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Adds word and sentence text objects along with a new vim testing system which uses cached neovim data to verify our test accuracy

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This commit is contained in:
K Simmons 2022-10-05 20:19:30 -07:00
parent e96abf1429
commit b82db3a254
945 changed files with 5678 additions and 655 deletions
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85
crates/editor/src/display_map.rs
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@ -330,34 +330,91 @@ impl DisplaySnapshot {
DisplayPoint(self.blocks_snapshot.max_point())
}
/// Returns text chunks starting at the given display row until the end of the file
pub fn text_chunks(&self, display_row: u32) -> impl Iterator<Item = &str> {
self.blocks_snapshot
.chunks(display_row..self.max_point().row() + 1, false, None)
.map(|h| h.text)
}
// Returns text chunks starting at the end of the given display row in reverse until the start of the file
pub fn reverse_text_chunks(&self, display_row: u32) -> impl Iterator<Item = &str> {
(0..=display_row).into_iter().rev().flat_map(|row| {
self.blocks_snapshot
.chunks(row..row + 1, false, None)
.map(|h| h.text)
.collect::<Vec<_>>()
.into_iter()
.rev()
})
}
pub fn chunks(&self, display_rows: Range<u32>, language_aware: bool) -> DisplayChunks<'_> {
self.blocks_snapshot
.chunks(display_rows, language_aware, Some(&self.text_highlights))
}
pub fn chars_at(&self, point: DisplayPoint) -> impl Iterator<Item = char> + '_ {
let mut column = 0;
let mut chars = self.text_chunks(point.row()).flat_map(str::chars);
while column < point.column() {
if let Some(c) = chars.next() {
column += c.len_utf8() as u32;
} else {
break;
}
}
chars
pub fn chars_at(
&self,
mut point: DisplayPoint,
) -> impl Iterator<Item = (char, DisplayPoint)> + '_ {
point = DisplayPoint(self.blocks_snapshot.clip_point(point.0, Bias::Left));
self.text_chunks(point.row())
.flat_map(str::chars)
.skip_while({
let mut column = 0;
move |char| {
let at_point = column >= point.column();
column += char.len_utf8() as u32;
!at_point
}
})
.map(move |ch| {
let result = (ch, point);
if ch == '\n' {
*point.row_mut() += 1;
*point.column_mut() = 0;
} else {
*point.column_mut() += ch.len_utf8() as u32;
}
result
})
}
pub fn reverse_chars_at(
&self,
mut point: DisplayPoint,
) -> impl Iterator<Item = (char, DisplayPoint)> + '_ {
point = DisplayPoint(self.blocks_snapshot.clip_point(point.0, Bias::Left));
self.reverse_text_chunks(point.row())
.flat_map(|chunk| chunk.chars().rev())
.skip_while({
let mut column = self.line_len(point.row());
if self.max_point().row() > point.row() {
column += 1;
}
move |char| {
let at_point = column <= point.column();
column = column.saturating_sub(char.len_utf8() as u32);
!at_point
}
})
.map(move |ch| {
if ch == '\n' {
*point.row_mut() -= 1;
*point.column_mut() = self.line_len(point.row());
} else {
*point.column_mut() = point.column().saturating_sub(ch.len_utf8() as u32);
}
(ch, point)
})
}
pub fn column_to_chars(&self, display_row: u32, target: u32) -> u32 {
let mut count = 0;
let mut column = 0;
for c in self.chars_at(DisplayPoint::new(display_row, 0)) {
for (c, _) in self.chars_at(DisplayPoint::new(display_row, 0)) {
if column >= target {
break;
}
@ -370,7 +427,7 @@ impl DisplaySnapshot {
pub fn column_from_chars(&self, display_row: u32, char_count: u32) -> u32 {
let mut column = 0;
for (count, c) in self.chars_at(DisplayPoint::new(display_row, 0)).enumerate() {
for (count, (c, _)) in self.chars_at(DisplayPoint::new(display_row, 0)).enumerate() {
if c == '\n' || count >= char_count as usize {
break;
}
@ -454,7 +511,7 @@ impl DisplaySnapshot {
pub fn line_indent(&self, display_row: u32) -> (u32, bool) {
let mut indent = 0;
let mut is_blank = true;
for c in self.chars_at(DisplayPoint::new(display_row, 0)) {
for (c, _) in self.chars_at(DisplayPoint::new(display_row, 0)) {
if c == ' ' {
indent += 1;
} else {