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HasGenericArgs syntax trait

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This commit is contained in:
Lukas Wirth 2024-07-07 11:00:28 +02:00
parent 6c8c49b01b
commit c08d419fba
26 changed files with 83 additions and 41 deletions
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7
crates/syntax/src/ast.rs
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@ -31,8 +31,8 @@ pub use self::{
operators::{ArithOp, BinaryOp, CmpOp, LogicOp, Ordering, RangeOp, UnaryOp},
token_ext::{CommentKind, CommentPlacement, CommentShape, IsString, QuoteOffsets, Radix},
traits::{
AttrDocCommentIter, DocCommentIter, HasArgList, HasAttrs, HasDocComments, HasGenericParams,
HasLoopBody, HasModuleItem, HasName, HasTypeBounds, HasVisibility,
AttrDocCommentIter, DocCommentIter, HasArgList, HasAttrs, HasDocComments, HasGenericArgs,
HasGenericParams, HasLoopBody, HasModuleItem, HasName, HasTypeBounds, HasVisibility,
},
};
@ -149,14 +149,17 @@ pub trait RangeItem {
mod support {
use super::{AstChildren, AstNode, SyntaxKind, SyntaxNode, SyntaxToken};
#[inline]
pub(super) fn child<N: AstNode>(parent: &SyntaxNode) -> Option<N> {
parent.children().find_map(N::cast)
}
#[inline]
pub(super) fn children<N: AstNode>(parent: &SyntaxNode) -> AstChildren<N> {
AstChildren::new(parent)
}
#[inline]
pub(super) fn token(parent: &SyntaxNode, kind: SyntaxKind) -> Option<SyntaxToken> {
parent.children_with_tokens().filter_map(|it| it.into_token()).find(|it| it.kind() == kind)
}