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-rw-r--r--helix-core/src/auto_pairs.rs335
-rw-r--r--helix-core/src/diagnostic.rs15
-rw-r--r--helix-core/src/indent.rs143
-rw-r--r--helix-core/src/lib.rs34
-rw-r--r--helix-core/src/match_brackets.rs2
-rw-r--r--helix-core/src/movement.rs52
-rw-r--r--helix-core/src/object.rs29
-rw-r--r--helix-core/src/selection.rs93
-rw-r--r--helix-core/src/syntax.rs16
9 files changed, 518 insertions, 201 deletions
diff --git a/helix-core/src/auto_pairs.rs b/helix-core/src/auto_pairs.rs
index c037afef..1b3de6ea 100644
--- a/helix-core/src/auto_pairs.rs
+++ b/helix-core/src/auto_pairs.rs
@@ -1,7 +1,7 @@
//! When typing the opening character of one of the possible pairs defined below,
//! this module provides the functionality to insert the paired closing character.
-use crate::{Range, Rope, Selection, Tendril, Transaction};
+use crate::{movement::Direction, Range, Rope, Selection, Tendril, Transaction};
use log::debug;
use smallvec::SmallVec;
@@ -30,7 +30,6 @@ const CLOSE_BEFORE: &str = ")]}'\":;,> \n\r\u{000B}\u{000C}\u{0085}\u{2028}\u{20
// [TODO]
// * delete implementation where it erases the whole bracket (|) -> |
-// * do not reduce to cursors; use whole selections, and surround with pair
// * change to multi character pairs to handle cases like placing the cursor in the
// middle of triple quotes, and more exotic pairs like Jinja's {% %}
@@ -38,20 +37,18 @@ const CLOSE_BEFORE: &str = ")]}'\":;,> \n\r\u{000B}\u{000C}\u{0085}\u{2028}\u{20
pub fn hook(doc: &Rope, selection: &Selection, ch: char) -> Option<Transaction> {
debug!("autopairs hook selection: {:#?}", selection);
- let cursors = selection.clone().cursors(doc.slice(..));
-
for &(open, close) in PAIRS {
if open == ch {
if open == close {
- return Some(handle_same(doc, &cursors, open, CLOSE_BEFORE, OPEN_BEFORE));
+ return Some(handle_same(doc, selection, open, CLOSE_BEFORE, OPEN_BEFORE));
} else {
- return Some(handle_open(doc, &cursors, open, close, CLOSE_BEFORE));
+ return Some(handle_open(doc, selection, open, close, CLOSE_BEFORE));
}
}
if close == ch {
// && char_at pos == close
- return Some(handle_close(doc, &cursors, open, close));
+ return Some(handle_close(doc, selection, open, close));
}
}
@@ -66,6 +63,36 @@ fn prev_char(doc: &Rope, pos: usize) -> Option<char> {
doc.get_char(pos - 1)
}
+/// calculate what the resulting range should be for an auto pair insertion
+fn get_next_range(
+ start_range: &Range,
+ offset: usize,
+ typed_char: char,
+ len_inserted: usize,
+) -> Range {
+ let end_head = start_range.head + offset + typed_char.len_utf8();
+
+ let end_anchor = match (start_range.len(), start_range.direction()) {
+ // if we have a zero width cursor, it shifts to the same number
+ (0, _) => end_head,
+
+ // if we are inserting for a regular one-width cursor, the anchor
+ // moves with the head
+ (1, Direction::Forward) => end_head - 1,
+ (1, Direction::Backward) => end_head + 1,
+
+ // if we are appending, the anchor stays where it is; only offset
+ // for multiple range insertions
+ (_, Direction::Forward) => start_range.anchor + offset,
+
+ // when we are inserting in front of a selection, we need to move
+ // the anchor over by however many characters were inserted overall
+ (_, Direction::Backward) => start_range.anchor + offset + len_inserted,
+ };
+
+ Range::new(end_anchor, end_head)
+}
+
fn handle_open(
doc: &Rope,
selection: &Selection,
@@ -74,36 +101,32 @@ fn handle_open(
close_before: &str,
) -> Transaction {
let mut end_ranges = SmallVec::with_capacity(selection.len());
-
let mut offs = 0;
let transaction = Transaction::change_by_selection(doc, selection, |start_range| {
- let start_head = start_range.head;
-
- let next = doc.get_char(start_head);
- let end_head = start_head + offs + open.len_utf8();
-
- let end_anchor = if start_range.is_empty() {
- end_head
- } else {
- start_range.anchor + offs
- };
-
- end_ranges.push(Range::new(end_anchor, end_head));
+ let cursor = start_range.cursor(doc.slice(..));
+ let next_char = doc.get_char(cursor);
+ let len_inserted;
- match next {
+ let change = match next_char {
Some(ch) if !close_before.contains(ch) => {
- offs += open.len_utf8();
- (start_head, start_head, Some(Tendril::from_char(open)))
+ len_inserted = open.len_utf8();
+ (cursor, cursor, Some(Tendril::from_char(open)))
}
// None | Some(ch) if close_before.contains(ch) => {}
_ => {
// insert open & close
let pair = Tendril::from_iter([open, close]);
- offs += open.len_utf8() + close.len_utf8();
- (start_head, start_head, Some(pair))
+ len_inserted = open.len_utf8() + close.len_utf8();
+ (cursor, cursor, Some(pair))
}
- }
+ };
+
+ let next_range = get_next_range(start_range, offs, open, len_inserted);
+ end_ranges.push(next_range);
+ offs += len_inserted;
+
+ change
});
let t = transaction.with_selection(Selection::new(end_ranges, selection.primary_index()));
@@ -117,28 +140,28 @@ fn handle_close(doc: &Rope, selection: &Selection, _open: char, close: char) ->
let mut offs = 0;
let transaction = Transaction::change_by_selection(doc, selection, |start_range| {
- let start_head = start_range.head;
- let next = doc.get_char(start_head);
- let end_head = start_head + offs + close.len_utf8();
+ let cursor = start_range.cursor(doc.slice(..));
+ let next_char = doc.get_char(cursor);
+ let mut len_inserted = 0;
- let end_anchor = if start_range.is_empty() {
- end_head
+ let change = if next_char == Some(close) {
+ // return transaction that moves past close
+ (cursor, cursor, None) // no-op
} else {
- start_range.anchor + offs
+ len_inserted += close.len_utf8();
+ (cursor, cursor, Some(Tendril::from_char(close)))
};
- end_ranges.push(Range::new(end_anchor, end_head));
+ let next_range = get_next_range(start_range, offs, close, len_inserted);
+ end_ranges.push(next_range);
+ offs += len_inserted;
- if next == Some(close) {
- // return transaction that moves past close
- (start_head, start_head, None) // no-op
- } else {
- offs += close.len_utf8();
- (start_head, start_head, Some(Tendril::from_char(close)))
- }
+ change
});
- transaction.with_selection(Selection::new(end_ranges, selection.primary_index()))
+ let t = transaction.with_selection(Selection::new(end_ranges, selection.primary_index()));
+ debug!("auto pair transaction: {:#?}", t);
+ t
}
/// handle cases where open and close is the same, or in triples ("""docstring""")
@@ -154,42 +177,41 @@ fn handle_same(
let mut offs = 0;
let transaction = Transaction::change_by_selection(doc, selection, |start_range| {
- let start_head = start_range.head;
- let end_head = start_head + offs + token.len_utf8();
+ let cursor = start_range.cursor(doc.slice(..));
+ let mut len_inserted = 0;
- // if selection, retain anchor, if cursor, move over
- let end_anchor = if start_range.is_empty() {
- end_head
- } else {
- start_range.anchor + offs
- };
+ let next_char = doc.get_char(cursor);
+ let prev_char = prev_char(doc, cursor);
- end_ranges.push(Range::new(end_anchor, end_head));
-
- let next = doc.get_char(start_head);
- let prev = prev_char(doc, start_head);
-
- if next == Some(token) {
+ let change = if next_char == Some(token) {
// return transaction that moves past close
- (start_head, start_head, None) // no-op
+ (cursor, cursor, None) // no-op
} else {
let mut pair = Tendril::with_capacity(2 * token.len_utf8() as u32);
pair.push_char(token);
// for equal pairs, don't insert both open and close if either
// side has a non-pair char
- if (next.is_none() || close_before.contains(next.unwrap()))
- && (prev.is_none() || open_before.contains(prev.unwrap()))
+ if (next_char.is_none() || close_before.contains(next_char.unwrap()))
+ && (prev_char.is_none() || open_before.contains(prev_char.unwrap()))
{
pair.push_char(token);
}
- offs += pair.len();
- (start_head, start_head, Some(pair))
- }
+ len_inserted += pair.len();
+ (cursor, cursor, Some(pair))
+ };
+
+ let next_range = get_next_range(start_range, offs, token, len_inserted);
+ end_ranges.push(next_range);
+ offs += len_inserted;
+
+ change
});
- transaction.with_selection(Selection::new(end_ranges, selection.primary_index()))
+ let t = transaction.with_selection(Selection::new(end_ranges, selection.primary_index()));
+ debug!("auto pair transaction: {:#?}", t);
+ t
}
#[cfg(test)]
@@ -252,7 +274,20 @@ mod test {
&Selection::single(1, 0),
PAIRS,
|open, close| format!("{}{}", open, close),
- &Selection::single(1, 1),
+ &Selection::single(2, 1),
+ );
+ }
+
+ /// [] -> append ( -> ([])
+ #[test]
+ fn test_append_blank() {
+ test_hooks_with_pairs(
+ // this is what happens when you have a totally blank document and then append
+ &Rope::from("\n\n"),
+ &Selection::single(0, 2),
+ PAIRS,
+ |open, close| format!("\n{}{}\n", open, close),
+ &Selection::single(0, 3),
);
}
@@ -276,26 +311,50 @@ mod test {
)
},
&Selection::new(
- smallvec!(Range::point(1), Range::point(4), Range::point(7),),
+ smallvec!(Range::new(2, 1), Range::new(5, 4), Range::new(8, 7),),
0,
),
);
}
- // [TODO] broken until it works with selections
/// fo[o] -> append ( -> fo[o(])
- #[ignore]
#[test]
fn test_append() {
test_hooks_with_pairs(
- &Rope::from("foo"),
+ &Rope::from("foo\n"),
&Selection::single(2, 4),
- PAIRS,
- |open, close| format!("foo{}{}", open, close),
+ differing_pairs(),
+ |open, close| format!("foo{}{}\n", open, close),
&Selection::single(2, 5),
);
}
+ /// fo[o] fo[o(])
+ /// fo[o] -> append ( -> fo[o(])
+ /// fo[o] fo[o(])
+ #[test]
+ fn test_append_multi() {
+ test_hooks_with_pairs(
+ &Rope::from("foo\nfoo\nfoo\n"),
+ &Selection::new(
+ smallvec!(Range::new(2, 4), Range::new(6, 8), Range::new(10, 12)),
+ 0,
+ ),
+ differing_pairs(),
+ |open, close| {
+ format!(
+ "foo{open}{close}\nfoo{open}{close}\nfoo{open}{close}\n",
+ open = open,
+ close = close
+ )
+ },
+ &Selection::new(
+ smallvec!(Range::new(2, 5), Range::new(8, 11), Range::new(14, 17)),
+ 0,
+ ),
+ );
+ }
+
/// ([]) -> insert ) -> ()[]
#[test]
fn test_insert_close_inside_pair() {
@@ -307,7 +366,23 @@ mod test {
&Selection::single(2, 1),
*close,
&doc,
- &Selection::point(2),
+ &Selection::single(3, 2),
+ );
+ }
+ }
+
+ /// [(]) -> append ) -> [()]
+ #[test]
+ fn test_append_close_inside_pair() {
+ for (open, close) in PAIRS {
+ let doc = Rope::from(format!("{}{}\n", open, close));
+
+ test_hooks(
+ &doc,
+ &Selection::single(0, 2),
+ *close,
+ &doc,
+ &Selection::single(0, 3),
);
}
}
@@ -323,8 +398,33 @@ mod test {
);
let expected_sel = Selection::new(
- // smallvec!(Range::new(3, 2), Range::new(6, 5), Range::new(9, 8),),
- smallvec!(Range::point(2), Range::point(5), Range::point(8),),
+ smallvec!(Range::new(3, 2), Range::new(6, 5), Range::new(9, 8),),
+ 0,
+ );
+
+ for (open, close) in PAIRS {
+ let doc = Rope::from(format!(
+ "{open}{close}\n{open}{close}\n{open}{close}\n",
+ open = open,
+ close = close
+ ));
+
+ test_hooks(&doc, &sel, *close, &doc, &expected_sel);
+ }
+ }
+
+ /// [(]) [()]
+ /// [(]) -> append ) -> [()]
+ /// [(]) [()]
+ #[test]
+ fn test_append_close_inside_pair_multi_cursor() {
+ let sel = Selection::new(
+ smallvec!(Range::new(0, 2), Range::new(3, 5), Range::new(6, 8),),
+ 0,
+ );
+
+ let expected_sel = Selection::new(
+ smallvec!(Range::new(0, 3), Range::new(3, 6), Range::new(6, 9),),
0,
);
@@ -343,7 +443,7 @@ mod test {
#[test]
fn test_insert_open_inside_pair() {
let sel = Selection::single(2, 1);
- let expected_sel = Selection::point(2);
+ let expected_sel = Selection::single(3, 2);
for (open, close) in differing_pairs() {
let doc = Rope::from(format!("{}{}", open, close));
@@ -357,11 +457,49 @@ mod test {
}
}
+ /// [word(]) -> append ( -> [word((]))
+ #[test]
+ fn test_append_open_inside_pair() {
+ let sel = Selection::single(0, 6);
+ let expected_sel = Selection::single(0, 7);
+
+ for (open, close) in differing_pairs() {
+ let doc = Rope::from(format!("word{}{}", open, close));
+ let expected_doc = Rope::from(format!(
+ "word{open}{open}{close}{close}",
+ open = open,
+ close = close
+ ));
+
+ test_hooks(&doc, &sel, *open, &expected_doc, &expected_sel);
+ }
+ }
+
/// ([]) -> insert " -> ("[]")
#[test]
fn test_insert_nested_open_inside_pair() {
let sel = Selection::single(2, 1);
- let expected_sel = Selection::point(2);
+ let expected_sel = Selection::single(3, 2);
+
+ for (outer_open, outer_close) in differing_pairs() {
+ let doc = Rope::from(format!("{}{}", outer_open, outer_close,));
+
+ for (inner_open, inner_close) in matching_pairs() {
+ let expected_doc = Rope::from(format!(
+ "{}{}{}{}",
+ outer_open, inner_open, inner_close, outer_close
+ ));
+
+ test_hooks(&doc, &sel, *inner_open, &expected_doc, &expected_sel);
+ }
+ }
+ }
+
+ /// [(]) -> append " -> [("]")
+ #[test]
+ fn test_append_nested_open_inside_pair() {
+ let sel = Selection::single(0, 2);
+ let expected_sel = Selection::single(0, 3);
for (outer_open, outer_close) in differing_pairs() {
let doc = Rope::from(format!("{}{}", outer_open, outer_close,));
@@ -385,21 +523,44 @@ mod test {
&Selection::single(1, 0),
PAIRS,
|open, _| format!("{}word", open),
- &Selection::point(1),
+ &Selection::single(2, 1),
)
}
- // [TODO] broken until it works with selections
/// [wor]d -> insert ( -> ([wor]d
#[test]
- #[ignore]
fn test_insert_open_with_selection() {
test_hooks_with_pairs(
&Rope::from("word"),
- &Selection::single(0, 4),
+ &Selection::single(3, 0),
PAIRS,
|open, _| format!("{}word", open),
- &Selection::single(1, 5),
+ &Selection::single(4, 1),
+ )
+ }
+
+ /// [wor]d -> append ) -> [wor)]d
+ #[test]
+ fn test_append_close_inside_non_pair_with_selection() {
+ let sel = Selection::single(0, 4);
+ let expected_sel = Selection::single(0, 5);
+
+ for (_, close) in PAIRS {
+ let doc = Rope::from("word");
+ let expected_doc = Rope::from(format!("wor{}d", close));
+ test_hooks(&doc, &sel, *close, &expected_doc, &expected_sel);
+ }
+ }
+
+ /// foo[ wor]d -> insert ( -> foo([) wor]d
+ #[test]
+ fn test_insert_open_trailing_word_with_selection() {
+ test_hooks_with_pairs(
+ &Rope::from("foo word"),
+ &Selection::single(7, 3),
+ differing_pairs(),
+ |open, close| format!("foo{}{} word", open, close),
+ &Selection::single(9, 4),
)
}
@@ -413,7 +574,7 @@ mod test {
fn test_insert_open_after_non_pair() {
let doc = Rope::from("word");
let sel = Selection::single(5, 4);
- let expected_sel = Selection::point(5);
+ let expected_sel = Selection::single(6, 5);
test_hooks_with_pairs(
&doc,
@@ -431,4 +592,18 @@ mod test {
&expected_sel,
);
}
+
+ /// appending with only a cursor should stay a cursor
+ ///
+ /// [] -> append to end "foo -> "foo[]"
+ #[test]
+ fn test_append_single_cursor() {
+ test_hooks_with_pairs(
+ &Rope::from("\n"),
+ &Selection::single(0, 1),
+ PAIRS,
+ |open, close| format!("{}{}\n", open, close),
+ &Selection::single(1, 2),
+ );
+ }
}
diff --git a/helix-core/src/diagnostic.rs b/helix-core/src/diagnostic.rs
index 4fcf51c9..210ad639 100644
--- a/helix-core/src/diagnostic.rs
+++ b/helix-core/src/diagnostic.rs
@@ -1,12 +1,19 @@
//! LSP diagnostic utility types.
+use serde::{Deserialize, Serialize};
/// Describes the severity level of a [`Diagnostic`].
-#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+#[derive(Debug, Clone, Copy, Eq, PartialEq, PartialOrd, Ord, Deserialize, Serialize)]
pub enum Severity {
- Error,
- Warning,
- Info,
Hint,
+ Info,
+ Warning,
+ Error,
+}
+
+impl Default for Severity {
+ fn default() -> Self {
+ Self::Hint
+ }
}
/// A range of `char`s within the text.
diff --git a/helix-core/src/indent.rs b/helix-core/src/indent.rs
index b6f5081a..1fc2b8a5 100644
--- a/helix-core/src/indent.rs
+++ b/helix-core/src/indent.rs
@@ -1,6 +1,5 @@
use crate::{
chars::{char_is_line_ending, char_is_whitespace},
- find_first_non_whitespace_char,
syntax::{IndentQuery, LanguageConfiguration, Syntax},
tree_sitter::Node,
Rope, RopeSlice,
@@ -174,8 +173,7 @@ pub fn auto_detect_indent_style(document_text: &Rope) -> Option<IndentStyle> {
/// To determine indentation of a newly inserted line, figure out the indentation at the last col
/// of the previous line.
-#[allow(dead_code)]
-fn indent_level_for_line(line: RopeSlice, tab_width: usize) -> usize {
+pub fn indent_level_for_line(line: RopeSlice, tab_width: usize) -> usize {
let mut len = 0;
for ch in line.chars() {
match ch {
@@ -210,10 +208,15 @@ fn get_highest_syntax_node_at_bytepos(syntax: &Syntax, pos: usize) -> Option<Nod
Some(node)
}
-fn calculate_indentation(query: &IndentQuery, node: Option<Node>, newline: bool) -> usize {
- // NOTE: can't use contains() on query because of comparing Vec<String> and &str
- // https://doc.rust-lang.org/std/vec/struct.Vec.html#method.contains
-
+/// Calculate the indentation at a given treesitter node.
+/// If newline is false, then any "indent" nodes on the line are ignored ("outdent" still applies).
+/// This is because the indentation is only increased starting at the second line of the node.
+fn calculate_indentation(
+ query: &IndentQuery,
+ node: Option<Node>,
+ line: usize,
+ newline: bool,
+) -> usize {
let mut increment: isize = 0;
let mut node = match node {
@@ -221,70 +224,45 @@ fn calculate_indentation(query: &IndentQuery, node: Option<Node>, newline: bool)
None => return 0,
};
- let mut prev_start = node.start_position().row;
-
- // if we're calculating indentation for a brand new line then the current node will become the
- // parent node. We need to take it's indentation level into account too.
- let node_kind = node.kind();
- if newline && query.indent.contains(node_kind) {
- increment += 1;
- }
-
- while let Some(parent) = node.parent() {
- let parent_kind = parent.kind();
- let start = parent.start_position().row;
-
- // detect deeply nested indents in the same line
- // .map(|a| { <-- ({ is two scopes
- // let len = 1; <-- indents one level
- // }) <-- }) is two scopes
- let starts_same_line = start == prev_start;
-
- if query.outdent.contains(node.kind()) && !starts_same_line {
- // we outdent by skipping the rules for the current level and jumping up
- // node = parent;
- increment -= 1;
- // continue;
+ let mut current_line = line;
+ let mut consider_indent = newline;
+ let mut increment_from_line: isize = 0;
+
+ loop {
+ let node_kind = node.kind();
+ let start = node.start_position().row;
+ if current_line != start {
+ // Indent/dedent by at most one per line:
+ // .map(|a| { <-- ({ is two scopes
+ // let len = 1; <-- indents one level
+ // }) <-- }) is two scopes
+ if consider_indent || increment_from_line < 0 {
+ increment += increment_from_line.signum();
+ }
+ increment_from_line = 0;
+ current_line = start;
+ consider_indent = true;
}
- if query.indent.contains(parent_kind) // && not_first_or_last_sibling
- && !starts_same_line
- {
- // println!("is_scope {}", parent_kind);
- prev_start = start;
- increment += 1
+ if query.outdent.contains(node_kind) {
+ increment_from_line -= 1;
+ }
+ if query.indent.contains(node_kind) {
+ increment_from_line += 1;
}
- // if last_scope && increment > 0 && ...{ ignore }
-
- node = parent;
+ if let Some(parent) = node.parent() {
+ node = parent;
+ } else {
+ break;
+ }
+ }
+ if consider_indent || increment_from_line < 0 {
+ increment += increment_from_line.signum();
}
-
increment.max(0) as usize
}
-#[allow(dead_code)]
-fn suggested_indent_for_line(
- language_config: &LanguageConfiguration,
- syntax: Option<&Syntax>,
- text: RopeSlice,
- line_num: usize,
- _tab_width: usize,
-) -> usize {
- if let Some(start) = find_first_non_whitespace_char(text.line(line_num)) {
- return suggested_indent_for_pos(
- Some(language_config),
- syntax,
- text,
- start + text.line_to_char(line_num),
- false,
- );
- };
-
- // if the line is blank, indent should be zero
- 0
-}
-
// TODO: two usecases: if we are triggering this for a new, blank line:
// - it should return 0 when mass indenting stuff
// - it should look up the wrapper node and count it too when we press o/O
@@ -293,23 +271,20 @@ pub fn suggested_indent_for_pos(
syntax: Option<&Syntax>,
text: RopeSlice,
pos: usize,
+ line: usize,
new_line: bool,
-) -> usize {
+) -> Option<usize> {
if let (Some(query), Some(syntax)) = (
language_config.and_then(|config| config.indent_query()),
syntax,
) {
let byte_start = text.char_to_byte(pos);
let node = get_highest_syntax_node_at_bytepos(syntax, byte_start);
-
- // let config = load indentation query config from Syntax(should contain language_config)
-
// TODO: special case for comments
// TODO: if preserve_leading_whitespace
- calculate_indentation(query, node, new_line)
+ Some(calculate_indentation(query, node, line, new_line))
} else {
- // TODO: heuristics for non-tree sitter grammars
- 0
+ None
}
}
@@ -442,6 +417,7 @@ where
);
let doc = Rope::from(doc);
+ use crate::diagnostic::Severity;
use crate::syntax::{
Configuration, IndentationConfiguration, LanguageConfiguration, Loader,
};
@@ -459,6 +435,8 @@ where
roots: vec![],
comment_token: None,
auto_format: false,
+ diagnostic_severity: Severity::Warning,
+ tree_sitter_library: None,
language_server: None,
indent: Some(IndentationConfiguration {
tab_width: 4,
@@ -482,14 +460,23 @@ where
for i in 0..doc.len_lines() {
let line = text.line(i);
- let indent = indent_level_for_line(line, tab_width);
- assert_eq!(
- suggested_indent_for_line(&language_config, Some(&syntax), text, i, tab_width),
- indent,
- "line {}: {}",
- i,
- line
- );
+ if let Some(pos) = crate::find_first_non_whitespace_char(line) {
+ let indent = indent_level_for_line(line, tab_width);
+ assert_eq!(
+ suggested_indent_for_pos(
+ Some(&language_config),
+ Some(&syntax),
+ text,
+ text.line_to_char(i) + pos,
+ i,
+ false
+ ),
+ Some(indent),
+ "line {}: \"{}\"",
+ i,
+ line
+ );
+ }
}
}
}
diff --git a/helix-core/src/lib.rs b/helix-core/src/lib.rs
index 92a59f31..7fd23b97 100644
--- a/helix-core/src/lib.rs
+++ b/helix-core/src/lib.rs
@@ -1,3 +1,5 @@
+pub use encoding_rs as encoding;
+
pub mod auto_pairs;
pub mod chars;
pub mod comment;
@@ -37,8 +39,14 @@ pub fn find_first_non_whitespace_char(line: RopeSlice) -> Option<usize> {
line.chars().position(|ch| !ch.is_whitespace())
}
-/// Find `.git` root.
-pub fn find_root(root: Option<&str>) -> Option<std::path::PathBuf> {
+/// Find project root.
+///
+/// Order of detection:
+/// * Top-most folder containing a root marker in current git repository
+/// * Git repostory root if no marker detected
+/// * Top-most folder containing a root marker if not git repository detected
+/// * Current working directory as fallback
+pub fn find_root(root: Option<&str>, root_markers: &[String]) -> Option<std::path::PathBuf> {
let current_dir = std::env::current_dir().expect("unable to determine current directory");
let root = match root {
@@ -50,16 +58,30 @@ pub fn find_root(root: Option<&str>) -> Option<std::path::PathBuf> {
current_dir.join(root)
}
}
- None => current_dir,
+ None => current_dir.clone(),
};
+ let mut top_marker = None;
for ancestor in root.ancestors() {
- // TODO: also use defined roots if git isn't found
+ for marker in root_markers {
+ if ancestor.join(marker).exists() {
+ top_marker = Some(ancestor);
+ break;
+ }
+ }
+ // don't go higher than repo
if ancestor.join(".git").is_dir() {
- return Some(ancestor.to_path_buf());
+ // Use workspace if detected from marker
+ return Some(top_marker.unwrap_or(ancestor).to_path_buf());
}
}
- None
+
+ // In absence of git repo, use workspace if detected
+ if top_marker.is_some() {
+ top_marker.map(|a| a.to_path_buf())
+ } else {
+ Some(current_dir)
+ }
}
pub fn runtime_dir() -> std::path::PathBuf {
diff --git a/helix-core/src/match_brackets.rs b/helix-core/src/match_brackets.rs
index cd554005..0189dedd 100644
--- a/helix-core/src/match_brackets.rs
+++ b/helix-core/src/match_brackets.rs
@@ -11,7 +11,7 @@ const PAIRS: &[(char, char)] = &[
('\"', '\"'),
];
-// limit matching pairs to only ( ) { } [ ] < >
+// limit matching pairs to only ( ) { } [ ] < > ' ' " "
// Returns the position of the matching bracket under cursor.
//
diff --git a/helix-core/src/movement.rs b/helix-core/src/movement.rs
index 01a8f890..47fe6827 100644
--- a/helix-core/src/movement.rs
+++ b/helix-core/src/movement.rs
@@ -307,8 +307,6 @@ fn reached_target(target: WordMotionTarget, prev_ch: char, next_ch: char) -> boo
#[cfg(test)]
mod test {
- use std::array::{self, IntoIter};
-
use ropey::Rope;
use super::*;
@@ -360,7 +358,7 @@ mod test {
((Direction::Backward, 999usize), (0, 0)), // |This is a simple alphabetic line
];
- for ((direction, amount), coordinates) in IntoIter::new(moves_and_expected_coordinates) {
+ for ((direction, amount), coordinates) in moves_and_expected_coordinates {
range = move_horizontally(slice, range, direction, amount, Movement::Move);
assert_eq!(coords_at_pos(slice, range.head), coordinates.into())
}
@@ -374,7 +372,7 @@ mod test {
let mut range = Range::point(position);
- let moves_and_expected_coordinates = IntoIter::new([
+ let moves_and_expected_coordinates = [
((Direction::Forward, 11usize), (1, 1)), // Multiline\nt|ext sample\n...
((Direction::Backward, 1usize), (1, 0)), // Multiline\n|text sample\n...
((Direction::Backward, 5usize), (0, 5)), // Multi|line\ntext sample\n...
@@ -384,7 +382,7 @@ mod test {
((Direction::Backward, 0usize), (0, 3)), // Mul|tiline\ntext sample\n...
((Direction::Forward, 999usize), (5, 0)), // ...and whitespaced\n|
((Direction::Forward, 999usize), (5, 0)), // ...and whitespaced\n|
- ]);
+ ];
for ((direction, amount), coordinates) in moves_and_expected_coordinates {
range = move_horizontally(slice, range, direction, amount, Movement::Move);
@@ -402,11 +400,11 @@ mod test {
let mut range = Range::point(position);
let original_anchor = range.anchor;
- let moves = IntoIter::new([
+ let moves = [
(Direction::Forward, 1usize),
(Direction::Forward, 5usize),
(Direction::Backward, 3usize),
- ]);
+ ];
for (direction, amount) in moves {
range = move_horizontally(slice, range, direction, amount, Movement::Extend);
@@ -420,7 +418,7 @@ mod test {
let slice = text.slice(..);
let position = pos_at_coords(slice, (0, 0).into(), true);
let mut range = Range::point(position);
- let moves_and_expected_coordinates = IntoIter::new([
+ let moves_and_expected_coordinates = [
((Direction::Forward, 1usize), (1, 0)),
((Direction::Forward, 2usize), (3, 0)),
((Direction::Forward, 1usize), (4, 0)),
@@ -430,7 +428,7 @@ mod test {
((Direction::Backward, 0usize), (4, 0)),
((Direction::Forward, 5), (5, 0)),
((Direction::Forward, 999usize), (5, 0)),
- ]);
+ ];
for ((direction, amount), coordinates) in moves_and_expected_coordinates {
range = move_vertically(slice, range, direction, amount, Movement::Move);
@@ -450,7 +448,7 @@ mod test {
H,
V,
}
- let moves_and_expected_coordinates = IntoIter::new([
+ let moves_and_expected_coordinates = [
// Places cursor at the end of line
((Axis::H, Direction::Forward, 8usize), (0, 8)),
// First descent preserves column as the target line is wider
@@ -463,7 +461,7 @@ mod test {
((Axis::V, Direction::Backward, 999usize), (0, 8)),
((Axis::V, Direction::Forward, 4usize), (4, 8)),
((Axis::V, Direction::Forward, 999usize), (5, 0)),
- ]);
+ ];
for ((axis, direction, amount), coordinates) in moves_and_expected_coordinates {
range = match axis {
@@ -489,7 +487,7 @@ mod test {
H,
V,
}
- let moves_and_expected_coordinates = IntoIter::new([
+ let moves_and_expected_coordinates = [
// Places cursor at the fourth kana.
((Axis::H, Direction::Forward, 4), (0, 4)),
// Descent places cursor at the 4th character.
@@ -498,7 +496,7 @@ mod test {
((Axis::H, Direction::Backward, 1usize), (1, 3)),
// Jumping back up 1 line.
((Axis::V, Direction::Backward, 1usize), (0, 3)),
- ]);
+ ];
for ((axis, direction, amount), coordinates) in moves_and_expected_coordinates {
range = match axis {
@@ -530,7 +528,7 @@ mod test {
#[test]
fn test_behaviour_when_moving_to_start_of_next_words() {
- let tests = array::IntoIter::new([
+ let tests = [
("Basic forward motion stops at the first space",
vec![(1, Range::new(0, 0), Range::new(0, 6))]),
(" Starting from a boundary advances the anchor",
@@ -604,7 +602,7 @@ mod test {
vec![
(1, Range::new(0, 0), Range::new(0, 6)),
]),
- ]);
+ ];
for (sample, scenario) in tests {
for (count, begin, expected_end) in scenario.into_iter() {
@@ -616,7 +614,7 @@ mod test {
#[test]
fn test_behaviour_when_moving_to_start_of_next_long_words() {
- let tests = array::IntoIter::new([
+ let tests = [
("Basic forward motion stops at the first space",
vec![(1, Range::new(0, 0), Range::new(0, 6))]),
(" Starting from a boundary advances the anchor",
@@ -688,7 +686,7 @@ mod test {
vec![
(1, Range::new(0, 0), Range::new(0, 8)),
]),
- ]);
+ ];
for (sample, scenario) in tests {
for (count, begin, expected_end) in scenario.into_iter() {
@@ -700,7 +698,7 @@ mod test {
#[test]
fn test_behaviour_when_moving_to_start_of_previous_words() {
- let tests = array::IntoIter::new([
+ let tests = [
("Basic backward motion from the middle of a word",
vec![(1, Range::new(3, 3), Range::new(4, 0))]),
@@ -773,7 +771,7 @@ mod test {
vec![
(1, Range::new(0, 6), Range::new(6, 0)),
]),
- ]);
+ ];
for (sample, scenario) in tests {
for (count, begin, expected_end) in scenario.into_iter() {
@@ -785,7 +783,7 @@ mod test {
#[test]
fn test_behaviour_when_moving_to_start_of_previous_long_words() {
- let tests = array::IntoIter::new([
+ let tests = [
(
"Basic backward motion from the middle of a word",
vec![(1, Range::new(3, 3), Range::new(4, 0))],
@@ -870,7 +868,7 @@ mod test {
vec![
(1, Range::new(0, 8), Range::new(8, 0)),
]),
- ]);
+ ];
for (sample, scenario) in tests {
for (count, begin, expected_end) in scenario.into_iter() {
@@ -882,7 +880,7 @@ mod test {
#[test]
fn test_behaviour_when_moving_to_end_of_next_words() {
- let tests = array::IntoIter::new([
+ let tests = [
("Basic forward motion from the start of a word to the end of it",
vec![(1, Range::new(0, 0), Range::new(0, 5))]),
("Basic forward motion from the end of a word to the end of the next",
@@ -954,7 +952,7 @@ mod test {
vec![
(1, Range::new(0, 0), Range::new(0, 5)),
]),
- ]);
+ ];
for (sample, scenario) in tests {
for (count, begin, expected_end) in scenario.into_iter() {
@@ -966,7 +964,7 @@ mod test {
#[test]
fn test_behaviour_when_moving_to_end_of_previous_words() {
- let tests = array::IntoIter::new([
+ let tests = [
("Basic backward motion from the middle of a word",
vec![(1, Range::new(9, 9), Range::new(10, 5))]),
("Starting from after boundary retreats the anchor",
@@ -1036,7 +1034,7 @@ mod test {
vec![
(1, Range::new(0, 10), Range::new(10, 4)),
]),
- ]);
+ ];
for (sample, scenario) in tests {
for (count, begin, expected_end) in scenario.into_iter() {
@@ -1048,7 +1046,7 @@ mod test {
#[test]
fn test_behaviour_when_moving_to_end_of_next_long_words() {
- let tests = array::IntoIter::new([
+ let tests = [
("Basic forward motion from the start of a word to the end of it",
vec![(1, Range::new(0, 0), Range::new(0, 5))]),
("Basic forward motion from the end of a word to the end of the next",
@@ -1118,7 +1116,7 @@ mod test {
vec![
(1, Range::new(0, 0), Range::new(0, 7)),
]),
- ]);
+ ];
for (sample, scenario) in tests {
for (count, begin, expected_end) in scenario.into_iter() {
diff --git a/helix-core/src/object.rs b/helix-core/src/object.rs
index 717c5994..21fa24fb 100644
--- a/helix-core/src/object.rs
+++ b/helix-core/src/object.rs
@@ -1,7 +1,5 @@
use crate::{Range, RopeSlice, Selection, Syntax};
-// TODO: to contract_selection we'd need to store the previous ranges before expand.
-// Maybe just contract to the first child node?
pub fn expand_selection(syntax: &Syntax, text: RopeSlice, selection: &Selection) -> Selection {
let tree = syntax.tree();
@@ -34,3 +32,30 @@ pub fn expand_selection(syntax: &Syntax, text: RopeSlice, selection: &Selection)
}
})
}
+
+pub fn shrink_selection(syntax: &Syntax, text: RopeSlice, selection: &Selection) -> Selection {
+ let tree = syntax.tree();
+
+ selection.clone().transform(|range| {
+ let from = text.char_to_byte(range.from());
+ let to = text.char_to_byte(range.to());
+
+ let descendant = match tree.root_node().descendant_for_byte_range(from, to) {
+ // find first child, if not possible, fallback to the node that contains selection
+ Some(descendant) => match descendant.child(0) {
+ Some(child) => child,
+ None => descendant,
+ },
+ None => return range,
+ };
+
+ let from = text.byte_to_char(descendant.start_byte());
+ let to = text.byte_to_char(descendant.end_byte());
+
+ if range.head < range.anchor {
+ Range::new(to, from)
+ } else {
+ Range::new(from, to)
+ }
+ })
+}
diff --git a/helix-core/src/selection.rs b/helix-core/src/selection.rs
index 116a1c7c..1515c4fc 100644
--- a/helix-core/src/selection.rs
+++ b/helix-core/src/selection.rs
@@ -7,6 +7,7 @@ use crate::{
ensure_grapheme_boundary_next, ensure_grapheme_boundary_prev, next_grapheme_boundary,
prev_grapheme_boundary,
},
+ movement::Direction,
Assoc, ChangeSet, RopeSlice,
};
use smallvec::{smallvec, SmallVec};
@@ -82,6 +83,13 @@ impl Range {
std::cmp::max(self.anchor, self.head)
}
+ /// Total length of the range.
+ #[inline]
+ #[must_use]
+ pub fn len(&self) -> usize {
+ self.to() - self.from()
+ }
+
/// The (inclusive) range of lines that the range overlaps.
#[inline]
#[must_use]
@@ -102,6 +110,27 @@ impl Range {
self.anchor == self.head
}
+ /// `Direction::Backward` when head < anchor.
+ /// `Direction::Backward` otherwise.
+ #[inline]
+ #[must_use]
+ pub fn direction(&self) -> Direction {
+ if self.head < self.anchor {
+ Direction::Backward
+ } else {
+ Direction::Forward
+ }
+ }
+
+ // flips the direction of the selection
+ pub fn flip(&self) -> Self {
+ Self {
+ anchor: self.head,
+ head: self.anchor,
+ horiz: self.horiz,
+ }
+ }
+
/// Check two ranges for overlap.
#[must_use]
pub fn overlaps(&self, other: &Self) -> bool {
@@ -111,6 +140,11 @@ impl Range {
self.from() == other.from() || (self.to() > other.from() && other.to() > self.from())
}
+ #[inline]
+ pub fn contains_range(&self, other: &Self) -> bool {
+ self.from() <= other.from() && self.to() >= other.to()
+ }
+
pub fn contains(&self, pos: usize) -> bool {
self.from() <= pos && pos < self.to()
}
@@ -515,6 +549,39 @@ impl Selection {
pub fn len(&self) -> usize {
self.ranges.len()
}
+
+ // returns true if self ⊇ other
+ pub fn contains(&self, other: &Selection) -> bool {
+ // can't contain other if it is larger
+ if other.len() > self.len() {
+ return false;
+ }
+
+ let (mut iter_self, mut iter_other) = (self.iter(), other.iter());
+ let (mut ele_self, mut ele_other) = (iter_self.next(), iter_other.next());
+
+ loop {
+ match (ele_self, ele_other) {
+ (Some(ra), Some(rb)) => {
+ if !ra.contains_range(rb) {
+ // `self` doesn't contain next element from `other`, advance `self`, we need to match all from `other`
+ ele_self = iter_self.next();
+ } else {
+ // matched element from `other`, advance `other`
+ ele_other = iter_other.next();
+ };
+ }
+ (None, Some(_)) => {
+ // exhausted `self`, we can't match the reminder of `other`
+ return false;
+ }
+ (_, None) => {
+ // no elements from `other` left to match, `self` contains `other`
+ return true;
+ }
+ }
+ }
+ }
}
impl<'a> IntoIterator for &'a Selection {
@@ -953,4 +1020,30 @@ mod test {
&["", "abcd", "efg", "rs", "xyz"]
);
}
+ #[test]
+ fn test_selection_contains() {
+ fn contains(a: Vec<(usize, usize)>, b: Vec<(usize, usize)>) -> bool {
+ let sela = Selection::new(a.iter().map(|a| Range::new(a.0, a.1)).collect(), 0);
+ let selb = Selection::new(b.iter().map(|b| Range::new(b.0, b.1)).collect(), 0);
+ sela.contains(&selb)
+ }
+
+ // exact match
+ assert!(contains(vec!((1, 1)), vec!((1, 1))));
+
+ // larger set contains smaller
+ assert!(contains(vec!((1, 1), (2, 2), (3, 3)), vec!((2, 2))));
+
+ // multiple matches
+ assert!(contains(vec!((1, 1), (2, 2)), vec!((1, 1), (2, 2))));
+
+ // smaller set can't contain bigger
+ assert!(!contains(vec!((1, 1)), vec!((1, 1), (2, 2))));
+
+ assert!(contains(
+ vec!((1, 1), (2, 4), (5, 6), (7, 9), (10, 13)),
+ vec!((3, 4), (7, 9))
+ ));
+ assert!(!contains(vec!((1, 1), (5, 6)), vec!((1, 6))));
+ }
}
diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs
index ef35fc75..5d37c219 100644
--- a/helix-core/src/syntax.rs
+++ b/helix-core/src/syntax.rs
@@ -1,5 +1,6 @@
use crate::{
chars::char_is_line_ending,
+ diagnostic::Severity,
regex::Regex,
transaction::{ChangeSet, Operation},
Rope, RopeSlice, Tendril,
@@ -63,6 +64,10 @@ pub struct LanguageConfiguration {
#[serde(default)]
pub auto_format: bool,
+ #[serde(default)]
+ pub diagnostic_severity: Severity,
+
+ pub tree_sitter_library: Option<String>, // tree-sitter library name, defaults to language_id
// content_regex
#[serde(default, skip_serializing, deserialize_with = "deserialize_regex")]
@@ -189,9 +194,14 @@ impl LanguageConfiguration {
if highlights_query.is_empty() {
None
} else {
- let language = get_language(&crate::RUNTIME_DIR, &self.language_id)
- .map_err(|e| log::info!("{}", e))
- .ok()?;
+ let language = get_language(
+ &crate::RUNTIME_DIR,
+ self.tree_sitter_library
+ .as_deref()
+ .unwrap_or(&self.language_id),
+ )
+ .map_err(|e| log::info!("{}", e))
+ .ok()?;
let config = HighlightConfiguration::new(
language,
&highlights_query,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-17 14:18:02 +0000