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Tidy up insertion position logic

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This commit is contained in:
Matthew Hall 2020-03-29 12:45:15 +01:00
parent b8b271d984
commit ddb9cc47d1
1 changed files with 6 additions and 20 deletions
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26
crates/ra_syntax/src/ast/edit.rs
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@ -390,26 +390,12 @@ impl ast::MatchArmList {
Some(t) => t,
None => return self.clone(),
};
let mut sib = r_curly.prev_sibling_or_token();
while let Some(s) = sib.clone() {
if let Some(tok) = s.as_token() {
if tok.kind() != WHITESPACE {
break;
}
sib = s.prev_sibling_or_token();
} else {
break;
}
}
let indent = " ".to_string() + &leading_indent(self.syntax()).unwrap_or_default();
let sib = match sib {
Some(s) => s,
None => return self.clone(),
};
let position = InsertPosition::After(sib.into());
let ws = tokens::WsBuilder::new(&format!("\n{}", indent));
let to_insert: ArrayVec<[SyntaxElement; 2]> =
[ws.ws().into(), item.syntax().clone().into()].into();
let position = InsertPosition::Before(r_curly.into());
let arm_ws = tokens::WsBuilder::new(" ");
let match_indent = &leading_indent(self.syntax()).unwrap_or_default();
let match_ws = tokens::WsBuilder::new(&format!("\n{}", match_indent));
let to_insert: ArrayVec<[SyntaxElement; 3]> =
[arm_ws.ws().into(), item.syntax().clone().into(), match_ws.ws().into()].into();
self.insert_children(position, to_insert)
}
}