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-rw-r--r--crates/libeditor/src/extend_selection.rs20
-rw-r--r--crates/libeditor/tests/test.rs35
-rw-r--r--crates/libsyntax2/Cargo.toml2
-rw-r--r--crates/libsyntax2/src/ast/generated.rs18
4 files changed, 53 insertions, 22 deletions
diff --git a/crates/libeditor/src/extend_selection.rs b/crates/libeditor/src/extend_selection.rs
index 171e40692..32873f491 100644
--- a/crates/libeditor/src/extend_selection.rs
+++ b/crates/libeditor/src/extend_selection.rs
@@ -17,18 +17,14 @@ pub(crate) fn extend(root: SyntaxNodeRef, range: TextRange) -> Option<TextRange>
17 return Some(leaf.range()); 17 return Some(leaf.range());
18 } 18 }
19 let ws = leaves.next()?; 19 let ws = leaves.next()?;
20// let ws_suffix = file.text().slice( 20 let ws_text = ws.leaf_text().unwrap();
21// TextRange::from_to(offset, ws.range().end()) 21 let range = TextRange::from_to(offset, ws.range().end()) - ws.range().start();
22// ); 22 let ws_suffix = &ws_text.as_str()[range];
23// if ws.text().contains("\n") && !ws_suffix.contains("\n") { 23 if ws_text.contains("\n") && !ws_suffix.contains("\n") {
24// if let Some(line_end) = file.text() 24 if let Some(node) = ws.next_sibling() {
25// .slice(TextSuffix::from(ws.range().end())) 25 return Some(node.range());
26// .find("\n") 26 }
27// { 27 }
28// let range = TextRange::from_len(ws.range().end(), line_end);
29// return Some(find_covering_node(file.root(), range).range());
30// }
31// }
32 return Some(ws.range()); 28 return Some(ws.range());
33 }; 29 };
34 let node = find_covering_node(root, range); 30 let node = find_covering_node(root, range);
diff --git a/crates/libeditor/tests/test.rs b/crates/libeditor/tests/test.rs
index a2e26003a..f8365949e 100644
--- a/crates/libeditor/tests/test.rs
+++ b/crates/libeditor/tests/test.rs
@@ -12,15 +12,32 @@ use libeditor::{
12 12
13#[test] 13#[test]
14fn test_extend_selection() { 14fn test_extend_selection() {
15 let file = file(r#"fn foo() { 15 fn do_check(before: &str, afters: &[&str]) {
16 1 + 1 16 let (cursor, before) = extract_cursor(before);
17} 17 let file = file(&before);
18"#); 18 let mut range = TextRange::offset_len(cursor, 0.into());
19 let range = TextRange::offset_len(18.into(), 0.into()); 19 for &after in afters {
20 let range = extend_selection(&file, range).unwrap(); 20 range = extend_selection(&file, range)
21 assert_eq!(range, TextRange::from_to(17.into(), 18.into())); 21 .unwrap();
22 let range = extend_selection(&file, range).unwrap(); 22 let actual = &before[range];
23 assert_eq!(range, TextRange::from_to(15.into(), 20.into())); 23 assert_eq!(after, actual);
24 }
25 }
26
27 do_check(
28 r#"fn foo() { <|>1 + 1 }"#,
29 &["1", "1 + 1", "{ 1 + 1 }"],
30 );
31
32 do_check(
33 r#"
34impl S {
35<|> fn foo() {
36
37 }
38}"#,
39 &["fn foo() {\n\n }"]
40 );
24} 41}
25 42
26#[test] 43#[test]
diff --git a/crates/libsyntax2/Cargo.toml b/crates/libsyntax2/Cargo.toml
index b55cdf481..e8810046a 100644
--- a/crates/libsyntax2/Cargo.toml
+++ b/crates/libsyntax2/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
6 6
7[dependencies] 7[dependencies]
8unicode-xid = "0.1.0" 8unicode-xid = "0.1.0"
9text_unit = "0.1.2" 9text_unit = "0.1.3"
10itertools = "0.7.8" 10itertools = "0.7.8"
11drop_bomb = "0.1.4" 11drop_bomb = "0.1.4"
12parking_lot = "0.6.0" 12parking_lot = "0.6.0"
diff --git a/crates/libsyntax2/src/ast/generated.rs b/crates/libsyntax2/src/ast/generated.rs
index 610b5198c..0651da26d 100644
--- a/crates/libsyntax2/src/ast/generated.rs
+++ b/crates/libsyntax2/src/ast/generated.rs
@@ -641,3 +641,21 @@ impl<'a> AstNode<'a> for TypeRef<'a> {
641 641
642impl<'a> TypeRef<'a> {} 642impl<'a> TypeRef<'a> {}
643 643
644// Whitespace
645#[derive(Debug, Clone, Copy)]
646pub struct Whitespace<'a> {
647 syntax: SyntaxNodeRef<'a>,
648}
649
650impl<'a> AstNode<'a> for Whitespace<'a> {
651 fn cast(syntax: SyntaxNodeRef<'a>) -> Option<Self> {
652 match syntax.kind() {
653 WHITESPACE => Some(Whitespace { syntax }),
654 _ => None,
655 }
656 }
657 fn syntax(self) -> SyntaxNodeRef<'a> { self.syntax }
658}
659
660impl<'a> Whitespace<'a> {}
661