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Simpler acessors for keywords

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This commit is contained in:
Aleksey Kladov 2020-04-09 23:35:05 +02:00
parent 00ec0c1066
commit 30084a56a5
14 changed files with 128 additions and 1025 deletions
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6
crates/ra_syntax/src/ast.rs
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@ -80,7 +80,7 @@ impl<N: AstNode> Iterator for AstChildren<N> {
}
mod support {
use super::{AstChildren, AstNode, AstToken, SyntaxNode};
use super::{AstChildren, AstNode, AstToken, SyntaxKind, SyntaxNode, SyntaxToken};
pub(super) fn child<N: AstNode>(parent: &SyntaxNode) -> Option<N> {
parent.children().find_map(N::cast)
@ -93,6 +93,10 @@ mod support {
pub(super) fn token<T: AstToken>(parent: &SyntaxNode) -> Option<T> {
parent.children_with_tokens().filter_map(|it| it.into_token()).find_map(T::cast)
}
pub(super) fn token2(parent: &SyntaxNode, kind: SyntaxKind) -> Option<SyntaxToken> {
parent.children_with_tokens().filter_map(|it| it.into_token()).find(|it| it.kind() == kind)
}
}
#[test]