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authorvsrs <[email protected]>2020-05-08 17:34:34 +0100
committervsrs <[email protected]>2020-05-08 17:34:34 +0100
commit0ef17ef1ee9fb0ce7149176d12f4d225f6d01401 (patch)
treefa2f168120f36f8dbef5dc1e85fea0c0071639c2 /crates/ra_assists/src/handlers/invert_if.rs
parent1be6320ea6cf7830195f80681fa0f43cc340da7e (diff)
parentd3eb9d8eafbebca7da95fa8a4813b92eb5080500 (diff)
Merge remote-tracking branch 'upstream/master' into uniformed_debug_lens
# Conflicts: # editors/code/src/commands/runnables.ts
Diffstat (limited to 'crates/ra_assists/src/handlers/invert_if.rs')
-rw-r--r--crates/ra_assists/src/handlers/invert_if.rs36
1 files changed, 20 insertions, 16 deletions
diff --git a/crates/ra_assists/src/handlers/invert_if.rs b/crates/ra_assists/src/handlers/invert_if.rs
index b16271443..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
6use crate::{utils::invert_boolean_expression, Assist, AssistCtx, AssistId}; 6use 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
27pub(crate) fn invert_if(ctx: AssistCtx) -> Option<Assist> { 31pub(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();
@@ -40,21 +44,21 @@ 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", if_range, |edit| { 58 edit.replace(cond_range, flip_cond.syntax().text());
51 edit.replace(cond_range, flip_cond.syntax().text()); 59 edit.replace(else_range, then_node.text());
52 edit.replace(else_range, then_node.text()); 60 edit.replace(then_range, else_node.text());
53 edit.replace(then_range, else_node.text()); 61 })
54 });
55 }
56
57 None
58} 62}
59 63
60#[cfg(test)] 64#[cfg(test)]