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Refactor tt::Delimiter

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This commit is contained in:
Edwin Cheng 2019-12-13 21:53:34 +08:00
parent 16cf6bcf4b
commit 98f98cbb54
8 changed files with 42 additions and 44 deletions
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10
crates/ra_mbe/src/subtree_source.rs
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@ -114,12 +114,12 @@ impl<'a> TokenSource for SubtreeTokenSource<'a> {
}
}
fn convert_delim(d: tt::Delimiter, closing: bool) -> TtToken {
fn convert_delim(d: Option<tt::Delimiter>, closing: bool) -> TtToken {
let (kinds, texts) = match d {
tt::Delimiter::Parenthesis => ([T!['('], T![')']], "()"),
tt::Delimiter::Brace => ([T!['{'], T!['}']], "{}"),
tt::Delimiter::Bracket => ([T!['['], T![']']], "[]"),
tt::Delimiter::None => ([L_DOLLAR, R_DOLLAR], ""),
Some(tt::Delimiter::Parenthesis) => ([T!['('], T![')']], "()"),
Some(tt::Delimiter::Brace) => ([T!['{'], T!['}']], "{}"),
Some(tt::Delimiter::Bracket) => ([T!['['], T![']']], "[]"),
None => ([L_DOLLAR, R_DOLLAR], ""),
};
let idx = closing as usize;