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resolve range patterns to the their struct types

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This commit is contained in:
Duncan Proctor 2024-10-22 06:20:16 -04:00
parent 2f6923b844
commit 271f64f94d
4 changed files with 141 additions and 8 deletions
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20
crates/hir/src/source_analyzer.rs
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@ -348,6 +348,26 @@ impl SourceAnalyzer {
}
}
pub(crate) fn resolve_range_pat(
&self,
db: &dyn HirDatabase,
range_pat: &ast::RangePat,
) -> Option<StructId> {
let path: ModPath = match (range_pat.op_kind()?, range_pat.start(), range_pat.end()) {
(RangeOp::Exclusive, None, Some(_)) => path![core::ops::RangeTo],
(RangeOp::Exclusive, Some(_), None) => path![core::ops::RangeFrom],
(RangeOp::Exclusive, Some(_), Some(_)) => path![core::ops::Range],
(RangeOp::Inclusive, None, Some(_)) => path![core::ops::RangeToInclusive],
(RangeOp::Inclusive, Some(_), Some(_)) => path![core::ops::RangeInclusive],
(RangeOp::Exclusive, None, None) => return None,
(RangeOp::Inclusive, None, None) => return None,
(RangeOp::Inclusive, Some(_), None) => return None,
};
let s = self.resolver.resolve_known_struct(db.upcast(), &path);
return s;
}
pub(crate) fn resolve_range_expr(
&self,
db: &dyn HirDatabase,