diff options
Diffstat (limited to 'crates/ra_assists/src/handlers/invert_if.rs')
-rw-r--r-- | crates/ra_assists/src/handlers/invert_if.rs | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/crates/ra_assists/src/handlers/invert_if.rs b/crates/ra_assists/src/handlers/invert_if.rs index 682e08512..527c7caef 100644 --- a/crates/ra_assists/src/handlers/invert_if.rs +++ b/crates/ra_assists/src/handlers/invert_if.rs | |||
@@ -3,7 +3,11 @@ use ra_syntax::{ | |||
3 | T, | 3 | T, |
4 | }; | 4 | }; |
5 | 5 | ||
6 | use crate::{utils::invert_boolean_expression, Assist, AssistCtx, AssistId}; | 6 | use crate::{ |
7 | assist_context::{AssistContext, Assists}, | ||
8 | utils::invert_boolean_expression, | ||
9 | AssistId, | ||
10 | }; | ||
7 | 11 | ||
8 | // Assist: invert_if | 12 | // Assist: invert_if |
9 | // | 13 | // |
@@ -24,7 +28,7 @@ use crate::{utils::invert_boolean_expression, Assist, AssistCtx, AssistId}; | |||
24 | // } | 28 | // } |
25 | // ``` | 29 | // ``` |
26 | 30 | ||
27 | pub(crate) fn invert_if(ctx: AssistCtx) -> Option<Assist> { | 31 | pub(crate) fn invert_if(acc: &mut Assists, ctx: &AssistContext) -> Option<()> { |
28 | let if_keyword = ctx.find_token_at_offset(T![if])?; | 32 | let if_keyword = ctx.find_token_at_offset(T![if])?; |
29 | let expr = ast::IfExpr::cast(if_keyword.parent())?; | 33 | let expr = ast::IfExpr::cast(if_keyword.parent())?; |
30 | let if_range = if_keyword.text_range(); | 34 | let if_range = if_keyword.text_range(); |
@@ -40,29 +44,28 @@ pub(crate) fn invert_if(ctx: AssistCtx) -> Option<Assist> { | |||
40 | 44 | ||
41 | let cond = expr.condition()?.expr()?; | 45 | let cond = expr.condition()?.expr()?; |
42 | let then_node = expr.then_branch()?.syntax().clone(); | 46 | let then_node = expr.then_branch()?.syntax().clone(); |
47 | let else_block = match expr.else_branch()? { | ||
48 | ast::ElseBranch::Block(it) => it, | ||
49 | ast::ElseBranch::IfExpr(_) => return None, | ||
50 | }; | ||
43 | 51 | ||
44 | if let ast::ElseBranch::Block(else_block) = expr.else_branch()? { | 52 | let cond_range = cond.syntax().text_range(); |
45 | let cond_range = cond.syntax().text_range(); | 53 | let flip_cond = invert_boolean_expression(cond); |
46 | let flip_cond = invert_boolean_expression(cond); | 54 | let else_node = else_block.syntax(); |
47 | let else_node = else_block.syntax(); | 55 | let else_range = else_node.text_range(); |
48 | let else_range = else_node.text_range(); | 56 | let then_range = then_node.text_range(); |
49 | let then_range = then_node.text_range(); | 57 | acc.add(AssistId("invert_if"), "Invert if", if_range, |edit| { |
50 | return ctx.add_assist(AssistId("invert_if"), "Invert if", |edit| { | 58 | edit.replace(cond_range, flip_cond.syntax().text()); |
51 | edit.target(if_range); | 59 | edit.replace(else_range, then_node.text()); |
52 | edit.replace(cond_range, flip_cond.syntax().text()); | 60 | edit.replace(then_range, else_node.text()); |
53 | edit.replace(else_range, then_node.text()); | 61 | }) |
54 | edit.replace(then_range, else_node.text()); | ||
55 | }); | ||
56 | } | ||
57 | |||
58 | None | ||
59 | } | 62 | } |
60 | 63 | ||
61 | #[cfg(test)] | 64 | #[cfg(test)] |
62 | mod tests { | 65 | mod tests { |
63 | use super::*; | 66 | use super::*; |
64 | 67 | ||
65 | use crate::helpers::{check_assist, check_assist_not_applicable}; | 68 | use crate::tests::{check_assist, check_assist_not_applicable}; |
66 | 69 | ||
67 | #[test] | 70 | #[test] |
68 | fn invert_if_remove_inequality() { | 71 | fn invert_if_remove_inequality() { |