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Infer range types

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oxalica 2019-11-29 03:10:16 +08:00
parent 8b278b1ab6
commit 4992d2bf79
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7 changed files with 209 additions and 4 deletions
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28
crates/ra_hir_def/src/expr.rs
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@ -130,6 +130,24 @@ pub enum Expr {
rhs: ExprId,
op: Option<BinaryOp>,
},
RangeFull,
RangeFrom {
lhs: ExprId,
},
RangeTo {
rhs: ExprId,
},
Range {
lhs: ExprId,
rhs: ExprId,
},
RangeToInclusive {
rhs: ExprId,
},
RangeInclusive {
lhs: ExprId,
rhs: ExprId,
},
Index {
base: ExprId,
index: ExprId,
@ -284,7 +302,9 @@ impl Expr {
Expr::Lambda { body, .. } => {
f(*body);
}
Expr::BinaryOp { lhs, rhs, .. } => {
Expr::BinaryOp { lhs, rhs, .. }
| Expr::Range { lhs, rhs }
| Expr::RangeInclusive { lhs, rhs } => {
f(*lhs);
f(*rhs);
}
@ -292,7 +312,11 @@ impl Expr {
f(*base);
f(*index);
}
Expr::Field { expr, .. }
Expr::RangeFull => {}
Expr::RangeFrom { lhs: expr }
| Expr::RangeTo { rhs: expr }
| Expr::RangeToInclusive { rhs: expr }
| Expr::Field { expr, .. }
| Expr::Await { expr }
| Expr::Try { expr }
| Expr::Cast { expr, .. }