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Remove movable array, improve client code

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ivan770 2021-03-16 16:57:14 +02:00
parent 7d60458495
commit a154ef7ca1
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3 changed files with 14 additions and 30 deletions
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36
crates/ide/src/move_item.rs
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@ -33,26 +33,6 @@ pub(crate) fn move_item(
}
fn find_ancestors(item: SyntaxElement, direction: Direction) -> Option<TextEdit> {
let movable = [
SyntaxKind::MATCH_ARM,
// https://github.com/intellij-rust/intellij-rust/blob/master/src/main/kotlin/org/rust/ide/actions/mover/RsStatementUpDownMover.kt
SyntaxKind::LET_STMT,
SyntaxKind::EXPR_STMT,
SyntaxKind::MATCH_EXPR,
// https://github.com/intellij-rust/intellij-rust/blob/master/src/main/kotlin/org/rust/ide/actions/mover/RsItemUpDownMover.kt
SyntaxKind::TRAIT,
SyntaxKind::IMPL,
SyntaxKind::MACRO_CALL,
SyntaxKind::MACRO_DEF,
SyntaxKind::STRUCT,
SyntaxKind::ENUM,
SyntaxKind::MODULE,
SyntaxKind::USE,
SyntaxKind::FN,
SyntaxKind::CONST,
SyntaxKind::TYPE_ALIAS,
];
let root = match item {
NodeOrToken::Node(node) => node,
NodeOrToken::Token(token) => token.parent(),
@ -60,17 +40,18 @@ fn find_ancestors(item: SyntaxElement, direction: Direction) -> Option<TextEdit>
let ancestor = once(root.clone())
.chain(root.ancestors())
.filter(|ancestor| movable.contains(&ancestor.kind()))
.max_by_key(|ancestor| kind_priority(ancestor.kind()))?;
.filter_map(|ancestor| kind_priority(ancestor.kind()).map(|priority| (priority, ancestor)))
.max_by_key(|(priority, _)| *priority)
.map(|(_, ancestor)| ancestor)?;
move_in_direction(&ancestor, direction)
}
fn kind_priority(kind: SyntaxKind) -> i32 {
fn kind_priority(kind: SyntaxKind) -> Option<i32> {
match kind {
SyntaxKind::MATCH_ARM => 4,
SyntaxKind::MATCH_ARM => Some(4),
SyntaxKind::LET_STMT | SyntaxKind::EXPR_STMT | SyntaxKind::MATCH_EXPR => 3,
SyntaxKind::LET_STMT | SyntaxKind::EXPR_STMT | SyntaxKind::MATCH_EXPR => Some(3),
SyntaxKind::TRAIT
| SyntaxKind::IMPL
@ -82,10 +63,9 @@ fn kind_priority(kind: SyntaxKind) -> i32 {
| SyntaxKind::USE
| SyntaxKind::FN
| SyntaxKind::CONST
| SyntaxKind::TYPE_ALIAS => 2,
| SyntaxKind::TYPE_ALIAS => Some(2),
// Placeholder for items, that are non-movable, and filtered even before kind_priority call
_ => 1,
_ => None,
}
}