Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide/src/folding_ranges.rs')
| -rwxr-xr-x | crates/ide/src/folding_ranges.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/crates/ide/src/folding_ranges.rs b/crates/ide/src/folding_ranges.rs index e69e959d32..c694d95d53 100755 --- a/crates/ide/src/folding_ranges.rs +++ b/crates/ide/src/folding_ranges.rs @@ -24,6 +24,7 @@ pub enum FoldKind { Array, WhereClause, ReturnType, + MatchArm, } #[derive(Debug)] @@ -117,6 +118,11 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec<Fold> { res.push(Fold { range, kind: FoldKind::WhereClause }) } }, + ast::MatchArm(match_arm) => { + if let Some(range) = fold_range_for_multiline_match_arm(match_arm) { + res.push(Fold {range, kind: FoldKind::MatchArm}) + } + }, _ => (), } } @@ -264,6 +270,16 @@ fn fold_range_for_where_clause(where_clause: ast::WhereClause) -> Option<TextRan None } +fn fold_range_for_multiline_match_arm(match_arm: ast::MatchArm) -> Option<TextRange> { + if let Some(_) = fold_kind(match_arm.expr()?.syntax().kind()) { + return None; + } + if match_arm.expr()?.syntax().text().contains_char('\n') { + return Some(match_arm.expr()?.syntax().text_range()); + } + None +} + #[cfg(test)] mod tests { use test_utils::extract_tags; @@ -299,6 +315,7 @@ mod tests { FoldKind::Array => "array", FoldKind::WhereClause => "whereclause", FoldKind::ReturnType => "returntype", + FoldKind::MatchArm => "matcharm", }; assert_eq!(kind, &attr.unwrap()); } @@ -457,6 +474,36 @@ fn main() <fold block>{ } #[test] + fn test_fold_multiline_non_block_match_arm() { + check( + r#" + fn main() <fold block>{ + match foo <fold block>{ + block => <fold block>{ + }</fold>, + matcharm => <fold matcharm>some. + call(). + chain()</fold>, + matcharm2 + => 0, + match_expr => <fold matcharm>match foo2 <fold block>{ + bar => (), + }</fold></fold>, + array_list => <fold array>[ + 1, + 2, + 3, + ]</fold>, + strustS => <fold matcharm>StructS <fold block>{ + a: 31, + }</fold></fold>, + }</fold> + }</fold> + "#, + ) + } + + #[test] fn fold_big_calls() { check( r#" |