diff options
Diffstat (limited to 'crates/ra_assists/src')
-rw-r--r-- | crates/ra_assists/src/handlers/unwrap_block.rs | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/crates/ra_assists/src/handlers/unwrap_block.rs b/crates/ra_assists/src/handlers/unwrap_block.rs index c48ecaae8..1fb13f481 100644 --- a/crates/ra_assists/src/handlers/unwrap_block.rs +++ b/crates/ra_assists/src/handlers/unwrap_block.rs | |||
@@ -1,5 +1,11 @@ | |||
1 | use ra_fmt::unwrap_trivial_block; | 1 | use ra_fmt::unwrap_trivial_block; |
2 | use ra_syntax::{ast, AstNode, TextRange, T}; | 2 | use ra_syntax::{ |
3 | ast::{ | ||
4 | self, | ||
5 | edit::{AstNodeEdit, IndentLevel}, | ||
6 | }, | ||
7 | AstNode, TextRange, T, | ||
8 | }; | ||
3 | 9 | ||
4 | use crate::{AssistContext, AssistId, Assists}; | 10 | use crate::{AssistContext, AssistId, Assists}; |
5 | 11 | ||
@@ -21,15 +27,21 @@ use crate::{AssistContext, AssistId, Assists}; | |||
21 | // } | 27 | // } |
22 | // ``` | 28 | // ``` |
23 | pub(crate) fn unwrap_block(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { | 29 | pub(crate) fn unwrap_block(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { |
24 | let l_curly_token = ctx.find_token_at_offset(T!['{'])?; | ||
25 | let block = ast::BlockExpr::cast(l_curly_token.parent())?; | ||
26 | let parent = block.syntax().parent()?; | ||
27 | let assist_id = AssistId("unwrap_block"); | 30 | let assist_id = AssistId("unwrap_block"); |
28 | let assist_label = "Unwrap block"; | 31 | let assist_label = "Unwrap block"; |
32 | |||
33 | let l_curly_token = ctx.find_token_at_offset(T!['{'])?; | ||
34 | let mut block = ast::BlockExpr::cast(l_curly_token.parent())?; | ||
35 | let mut parent = block.syntax().parent()?; | ||
36 | if ast::MatchArm::can_cast(parent.kind()) { | ||
37 | parent = parent.ancestors().find(|it| ast::MatchExpr::can_cast(it.kind()))? | ||
38 | } | ||
39 | |||
29 | let parent = ast::Expr::cast(parent)?; | 40 | let parent = ast::Expr::cast(parent)?; |
30 | 41 | ||
31 | match parent.clone() { | 42 | match parent.clone() { |
32 | ast::Expr::ForExpr(_) | ast::Expr::WhileExpr(_) | ast::Expr::LoopExpr(_) => (), | 43 | ast::Expr::ForExpr(_) | ast::Expr::WhileExpr(_) | ast::Expr::LoopExpr(_) => (), |
44 | ast::Expr::MatchExpr(_) => block = block.dedent(IndentLevel(1)), | ||
33 | ast::Expr::IfExpr(if_expr) => { | 45 | ast::Expr::IfExpr(if_expr) => { |
34 | let then_branch = if_expr.then_branch()?; | 46 | let then_branch = if_expr.then_branch()?; |
35 | if then_branch == block { | 47 | if then_branch == block { |
@@ -460,6 +472,30 @@ mod tests { | |||
460 | } | 472 | } |
461 | 473 | ||
462 | #[test] | 474 | #[test] |
475 | fn unwrap_match_arm() { | ||
476 | check_assist( | ||
477 | unwrap_block, | ||
478 | r#" | ||
479 | fn main() { | ||
480 | match rel_path { | ||
481 | Ok(rel_path) => {<|> | ||
482 | let rel_path = RelativePathBuf::from_path(rel_path).ok()?; | ||
483 | Some((*id, rel_path)) | ||
484 | } | ||
485 | Err(_) => None, | ||
486 | } | ||
487 | } | ||
488 | "#, | ||
489 | r#" | ||
490 | fn main() { | ||
491 | let rel_path = RelativePathBuf::from_path(rel_path).ok()?; | ||
492 | Some((*id, rel_path)) | ||
493 | } | ||
494 | "#, | ||
495 | ); | ||
496 | } | ||
497 | |||
498 | #[test] | ||
463 | fn simple_if_in_while_bad_cursor_position() { | 499 | fn simple_if_in_while_bad_cursor_position() { |
464 | check_assist_not_applicable( | 500 | check_assist_not_applicable( |
465 | unwrap_block, | 501 | unwrap_block, |