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internal: Make ascend_call_token iterative instead of recursive

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This commit is contained in:
Lukas Wirth 2022-02-11 22:12:16 +01:00
parent 1dee488a68
commit 1c77f36311
1 changed files with 7 additions and 7 deletions
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14
crates/hir_expand/src/lib.rs
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@ -710,14 +710,14 @@ fn ascend_call_token(
expansion: &ExpansionInfo,
token: InFile<SyntaxToken>,
) -> Option<InFile<SyntaxToken>> {
let (mapped, origin) = expansion.map_token_up(db, token.as_ref())?;
if origin != Origin::Call {
return None;
let mut mapping = expansion.map_token_up(db, token.as_ref())?;
while let (mapped, Origin::Call) = mapping {
match mapped.file_id.expansion_info(db) {
Some(info) => mapping = info.map_token_up(db, mapped.as_ref())?,
None => return Some(mapped),
}
}
if let Some(info) = mapped.file_id.expansion_info(db) {
return ascend_call_token(db, &info, mapped);
}
Some(mapped)
None
}
impl InFile<SyntaxToken> {