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Curley tokens

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This commit is contained in:
Aleksey Kladov 2020-04-10 10:27:23 +02:00
parent 1c5d859195
commit 460c8bbdec
6 changed files with 47 additions and 131 deletions
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14
crates/ra_syntax/src/ast/extensions.rs
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@ -416,11 +416,17 @@ impl ast::RangePat {
}
impl ast::TokenTree {
pub fn left_delimiter(&self) -> Option<ast::LeftDelimiter> {
self.syntax().first_child_or_token()?.into_token().and_then(ast::LeftDelimiter::cast)
pub fn left_delimiter_token(&self) -> Option<SyntaxToken> {
self.syntax().first_child_or_token()?.into_token().filter(|it| match it.kind() {
T!['{'] | T!['('] | T!['['] => true,
_ => false,
})
}
pub fn right_delimiter(&self) -> Option<ast::RightDelimiter> {
self.syntax().last_child_or_token()?.into_token().and_then(ast::RightDelimiter::cast)
pub fn right_delimiter_token(&self) -> Option<SyntaxToken> {
self.syntax().last_child_or_token()?.into_token().filter(|it| match it.kind() {
T!['{'] | T!['('] | T!['['] => true,
_ => false,
})
}
}