bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/parser/src/grammar/patterns.rs')
-rw-r--r--crates/parser/src/grammar/patterns.rs34
1 files changed, 30 insertions, 4 deletions
diff --git a/crates/parser/src/grammar/patterns.rs b/crates/parser/src/grammar/patterns.rs
index 4cbf103061..7e21a808da 100644
--- a/crates/parser/src/grammar/patterns.rs
+++ b/crates/parser/src/grammar/patterns.rs
@@ -75,6 +75,16 @@ fn pattern_single_r(p: &mut Parser<'_>, recovery_set: TokenSet) {
// Some(1..) => ()
// }
//
+ // match () {
+ // S { a: 0 } => (),
+ // S { a: 1.. } => (),
+ // }
+ //
+ // match () {
+ // [0] => (),
+ // [1..] => (),
+ // }
+ //
// match (10 as u8, 5 as u8) {
// (0, _) => (),
// (1.., _) => ()
@@ -88,11 +98,27 @@ fn pattern_single_r(p: &mut Parser<'_>, recovery_set: TokenSet) {
let m = lhs.precede(p);
p.bump(range_op);
- // `0 .. =>` or `let 0 .. =` or `Some(0 .. )`
- // ^ ^ ^
- if p.at(T![=]) | p.at(T![')']) | p.at(T![,]) {
+ // testing if we're at one of the following positions:
+ // `0 .. =>`
+ // ^
+ // `let 0 .. =`
+ // ^
+ // `let 0..: _ =`
+ // ^
+ // (1.., _)
+ // ^
+ // `Some(0 .. )`
+ // ^
+ // `S { t: 0.. }`
+ // ^
+ // `[0..]`
+ // ^
+ if matches!(p.current(), T![=] | T![,] | T![:] | T![')'] | T!['}'] | T![']']) {
// test half_open_range_pat
- // fn f() { let 0 .. = 1u32; }
+ // fn f() {
+ // let 0 .. = 1u32;
+ // let 0..: _ = 1u32;
+ // }
} else {
atom_pat(p, recovery_set);
}