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fix: make drop inlay hint more readable

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This commit is contained in:
Young-Flash 2023-12-05 22:56:51 +08:00
parent e402c494b7
commit afc4075c7c
1 changed files with 18 additions and 4 deletions
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22
crates/ide/src/inlay_hints/implicit_drop.rs
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@ -62,7 +62,11 @@ pub(super) fn hints(
match_ast! { match_ast! {
match expr { match expr {
ast::BlockExpr(x) => x.stmt_list().and_then(|x| x.r_curly_token()).map(|x| x.text_range()).unwrap_or_else(|| expr.text_range()), ast::BlockExpr(x) => x.stmt_list().and_then(|x| x.r_curly_token()).map(|x| x.text_range()).unwrap_or_else(|| expr.text_range()),
_ => expr.text_range(), // make the inlay hint appear after the semicolon if there is
_ => {
let nearest_semicolon = nearest_token_after_node(expr, syntax::SyntaxKind::SEMICOLON);
nearest_semicolon.map(|x| x.text_range()).unwrap_or_else(|| expr.text_range())
},
} }
} }
} }
@ -95,7 +99,7 @@ pub(super) fn hints(
label.append_str(")"); label.append_str(")");
acc.push(InlayHint { acc.push(InlayHint {
range, range,
position: InlayHintPosition::Before, position: InlayHintPosition::After,
pad_left: true, pad_left: true,
pad_right: true, pad_right: true,
kind: InlayKind::Drop, kind: InlayKind::Drop,
@ -109,6 +113,16 @@ pub(super) fn hints(
Some(()) Some(())
} }
fn nearest_token_after_node(
node: &syntax::SyntaxNode,
token_type: syntax::SyntaxKind,
) -> Option<syntax::SyntaxToken> {
node.siblings_with_tokens(syntax::Direction::Next)
.filter_map(|it| it.as_token().map(|it| it.clone()))
.filter(|it| it.kind() == token_type)
.next()
}
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
use crate::{ use crate::{
@ -129,7 +143,7 @@ mod tests {
let x = X; let x = X;
if 2 == 5 { if 2 == 5 {
return; return;
//^^^^^^ drop(x) //^ drop(x)
} }
} }
//^ drop(x) //^ drop(x)
@ -176,7 +190,7 @@ mod tests {
let x = X; let x = X;
let t_opt = Some(2); let t_opt = Some(2);
let t = t_opt?; let t = t_opt?;
//^^^^^^ drop(x) //^ drop(x)
Some(()) Some(())
} }
//^ drop(x) //^ drop(x)