This PR adds new config option to language config called
`word_boundaries` that controls which characters should be recognised as
word boundary for a given language. This will improve our UX for
languages such as PHP and Tailwind.

Release Notes:

- Improved completions for PHP
[#1820](https://github.com/zed-industries/community/issues/1820)

---------

Co-authored-by: Julia Risley <julia@zed.dev>
This commit is contained in:
Piotr Osiewicz 2023-08-22 10:35:20 +02:00 committed by GitHub
parent a836f9c23d
commit d27cebd977
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
12 changed files with 120 additions and 59 deletions

View file

@ -2667,7 +2667,6 @@ impl Editor {
false
});
}
fn completion_query(buffer: &MultiBufferSnapshot, position: impl ToOffset) -> Option<String> {
let offset = position.to_offset(buffer);
let (word_range, kind) = buffer.surrounding_word(offset);

View file

@ -1028,7 +1028,7 @@ impl SearchableItem for Editor {
if let Some((_, _, excerpt_buffer)) = buffer.as_singleton() {
ranges.extend(
query
.search(excerpt_buffer.as_rope())
.search(excerpt_buffer, None)
.await
.into_iter()
.map(|range| {
@ -1038,17 +1038,22 @@ impl SearchableItem for Editor {
} else {
for excerpt in buffer.excerpt_boundaries_in_range(0..buffer.len()) {
let excerpt_range = excerpt.range.context.to_offset(&excerpt.buffer);
let rope = excerpt.buffer.as_rope().slice(excerpt_range.clone());
ranges.extend(query.search(&rope).await.into_iter().map(|range| {
let start = excerpt
.buffer
.anchor_after(excerpt_range.start + range.start);
let end = excerpt
.buffer
.anchor_before(excerpt_range.start + range.end);
buffer.anchor_in_excerpt(excerpt.id.clone(), start)
..buffer.anchor_in_excerpt(excerpt.id.clone(), end)
}));
ranges.extend(
query
.search(&excerpt.buffer, Some(excerpt_range.clone()))
.await
.into_iter()
.map(|range| {
let start = excerpt
.buffer
.anchor_after(excerpt_range.start + range.start);
let end = excerpt
.buffer
.anchor_before(excerpt_range.start + range.end);
buffer.anchor_in_excerpt(excerpt.id.clone(), start)
..buffer.anchor_in_excerpt(excerpt.id.clone(), end)
}),
);
}
}
ranges

View file

@ -176,14 +176,21 @@ pub fn line_end(
}
pub fn previous_word_start(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
let raw_point = point.to_point(map);
let language = map.buffer_snapshot.language_at(raw_point);
find_preceding_boundary(map, point, |left, right| {
(char_kind(left) != char_kind(right) && !right.is_whitespace()) || left == '\n'
(char_kind(language, left) != char_kind(language, right) && !right.is_whitespace())
|| left == '\n'
})
}
pub fn previous_subword_start(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
let raw_point = point.to_point(map);
let language = map.buffer_snapshot.language_at(raw_point);
find_preceding_boundary(map, point, |left, right| {
let is_word_start = char_kind(left) != char_kind(right) && !right.is_whitespace();
let is_word_start =
char_kind(language, left) != char_kind(language, right) && !right.is_whitespace();
let is_subword_start =
left == '_' && right != '_' || left.is_lowercase() && right.is_uppercase();
is_word_start || is_subword_start || left == '\n'
@ -191,14 +198,20 @@ pub fn previous_subword_start(map: &DisplaySnapshot, point: DisplayPoint) -> Dis
}
pub fn next_word_end(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
let raw_point = point.to_point(map);
let language = map.buffer_snapshot.language_at(raw_point);
find_boundary(map, point, |left, right| {
(char_kind(left) != char_kind(right) && !left.is_whitespace()) || right == '\n'
(char_kind(language, left) != char_kind(language, right) && !left.is_whitespace())
|| right == '\n'
})
}
pub fn next_subword_end(map: &DisplaySnapshot, point: DisplayPoint) -> DisplayPoint {
let raw_point = point.to_point(map);
let language = map.buffer_snapshot.language_at(raw_point);
find_boundary(map, point, |left, right| {
let is_word_end = (char_kind(left) != char_kind(right)) && !left.is_whitespace();
let is_word_end =
(char_kind(language, left) != char_kind(language, right)) && !left.is_whitespace();
let is_subword_end =
left != '_' && right == '_' || left.is_lowercase() && right.is_uppercase();
is_word_end || is_subword_end || right == '\n'
@ -385,10 +398,15 @@ pub fn find_boundary_in_line(
}
pub fn is_inside_word(map: &DisplaySnapshot, point: DisplayPoint) -> bool {
let raw_point = point.to_point(map);
let language = map.buffer_snapshot.language_at(raw_point);
let ix = map.clip_point(point, Bias::Left).to_offset(map, Bias::Left);
let text = &map.buffer_snapshot;
let next_char_kind = text.chars_at(ix).next().map(char_kind);
let prev_char_kind = text.reversed_chars_at(ix).next().map(char_kind);
let next_char_kind = text.chars_at(ix).next().map(|c| char_kind(language, c));
let prev_char_kind = text
.reversed_chars_at(ix)
.next()
.map(|c| char_kind(language, c));
prev_char_kind.zip(next_char_kind) == Some((CharKind::Word, CharKind::Word))
}

View file

@ -1865,13 +1865,16 @@ impl MultiBufferSnapshot {
let mut end = start;
let mut next_chars = self.chars_at(start).peekable();
let mut prev_chars = self.reversed_chars_at(start).peekable();
let language = self.language_at(start);
let kind = |c| char_kind(language, c);
let word_kind = cmp::max(
prev_chars.peek().copied().map(char_kind),
next_chars.peek().copied().map(char_kind),
prev_chars.peek().copied().map(kind),
next_chars.peek().copied().map(kind),
);
for ch in prev_chars {
if Some(char_kind(ch)) == word_kind && ch != '\n' {
if Some(kind(ch)) == word_kind && ch != '\n' {
start -= ch.len_utf8();
} else {
break;
@ -1879,7 +1882,7 @@ impl MultiBufferSnapshot {
}
for ch in next_chars {
if Some(char_kind(ch)) == word_kind && ch != '\n' {
if Some(kind(ch)) == word_kind && ch != '\n' {
end += ch.len_utf8();
} else {
break;