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Add support for become expr/tail calls

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Maybe Waffle 2023-06-07 16:30:31 +00:00
parent 3bb8d3a32f
commit e146139957
16 changed files with 144 additions and 6 deletions
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8
crates/syntax/src/ast/prec.rs
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@ -130,8 +130,8 @@ impl Expr {
//
ContinueExpr(_) => (0, 0),
ClosureExpr(_) | ReturnExpr(_) | YieldExpr(_) | YeetExpr(_) | BreakExpr(_)
| OffsetOfExpr(_) | FormatArgsExpr(_) | AsmExpr(_) => (0, 1),
ClosureExpr(_) | ReturnExpr(_) | BecomeExpr(_) | YieldExpr(_) | YeetExpr(_)
| BreakExpr(_) | OffsetOfExpr(_) | FormatArgsExpr(_) | AsmExpr(_) => (0, 1),
RangeExpr(_) => (5, 5),
@ -288,6 +288,7 @@ impl Expr {
PrefixExpr(e) => e.op_token(),
RefExpr(e) => e.amp_token(),
ReturnExpr(e) => e.return_token(),
BecomeExpr(e) => e.become_token(),
TryExpr(e) => e.question_mark_token(),
YieldExpr(e) => e.yield_token(),
YeetExpr(e) => e.do_token(),
@ -316,7 +317,8 @@ impl Expr {
// For BinExpr and RangeExpr this is technically wrong -- the child can be on the left...
BinExpr(_) | RangeExpr(_) | BreakExpr(_) | ContinueExpr(_) | PrefixExpr(_)
| RefExpr(_) | ReturnExpr(_) | YieldExpr(_) | YeetExpr(_) | LetExpr(_) => self
| RefExpr(_) | ReturnExpr(_) | BecomeExpr(_) | YieldExpr(_) | YeetExpr(_)
| LetExpr(_) => self
.syntax()
.parent()
.and_then(Expr::cast)