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Initial implementation of tuples in type checking

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This leaves in place a bunch of TODOs and likely many bugs - notably, I haven't tested codegen/layout at all here.
This commit is contained in:
Joshua Warner 2022-12-25 19:26:32 -08:00
parent d57cb50425
commit de828416bf
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32 changed files with 1785 additions and 112 deletions
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18
crates/compiler/can/src/operator.rs
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@ -141,7 +141,16 @@ pub fn desugar_expr<'a>(arena: &'a Bump, loc_expr: &'a Loc<Expr<'a>>) -> &'a Loc
| OpaqueRef(_)
| Crash => loc_expr,
TupleAccess(_sub_expr, _paths) => todo!("Handle TupleAccess"),
TupleAccess(sub_expr, paths) => {
let region = loc_expr.region;
let loc_sub_expr = Loc {
region,
value: **sub_expr,
};
let value = TupleAccess(&desugar_expr(arena, arena.alloc(loc_sub_expr)).value, paths);
arena.alloc(Loc { region, value })
}
RecordAccess(sub_expr, paths) => {
let region = loc_expr.region;
let loc_sub_expr = Loc {
@ -176,9 +185,10 @@ pub fn desugar_expr<'a>(arena: &'a Bump, loc_expr: &'a Loc<Expr<'a>>) -> &'a Loc
}
})),
}),
Tuple(_fields) => {
todo!("desugar_expr: Tuple");
}
Tuple(fields) => arena.alloc(Loc {
region: loc_expr.region,
value: Tuple(fields.map_items(arena, |field| desugar_expr(arena, field))),
}),
RecordUpdate { fields, update } => {
// NOTE the `update` field is always a `Var { .. }`, we only desugar it to get rid of
// any spaces before/after