Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/parser/src/grammar/items.rs')
| -rw-r--r-- | crates/parser/src/grammar/items.rs | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/crates/parser/src/grammar/items.rs b/crates/parser/src/grammar/items.rs index c609f9383e..c5c6e04dd4 100644 --- a/crates/parser/src/grammar/items.rs +++ b/crates/parser/src/grammar/items.rs @@ -167,6 +167,25 @@ pub(super) fn opt_item(p: &mut Parser<'_>, m: Marker, is_in_extern: bool) -> Res has_mods = true; } + if p.at(T![impl]) + && p.nth(1) == T!['('] + && ((matches!(p.nth(2), T![crate] | T![super] | T![self]) && p.nth(3) == T![')']) + || p.nth(2) == T![in]) + { + // test impl_restrictions + // pub unsafe impl(crate) trait Foo {} + // impl(in super::bar) trait Bar {} + // impl () {} + // impl (i32) {} + let m = p.start(); + p.bump(T![impl]); + if !opt_visibility_inner(p, false) { + p.error("expected an impl restriction"); + } + m.complete(p, IMPL_RESTRICTION); + has_mods = true; + } + // test default_item // default impl T for Foo {} if p.at_contextual_kw(T![default]) { @@ -216,6 +235,7 @@ pub(super) fn opt_item(p: &mut Parser<'_>, m: Marker, is_in_extern: bool) -> Res T![trait] => traits::trait_(p, m), T![impl] => traits::impl_(p, m), + T![type] if p.nth(1) == T![const] => consts::konst(p, m), T![type] => type_alias(p, m), // test extern_block @@ -247,6 +267,9 @@ fn opt_item_without_modifiers(p: &mut Parser<'_>, m: Marker) -> Result<(), Marke T![use] => use_item::use_(p, m), T![mod] => mod_item(p, m), + // test type_const + // type const FOO: i32 = 2; + T![type] if la == T![const] => consts::konst(p, m), T![type] => type_alias(p, m), T![struct] => adt::strukt(p, m), T![enum] => adt::enum_(p, m), @@ -422,7 +445,12 @@ fn fn_(p: &mut Parser<'_>, m: Marker) { // test function_ret_type // fn foo() {} // fn bar() -> () {} - opt_ret_type(p); + if !opt_ret_type(p) { + // test_err function_ret_type_missing_arrow + // fn foo() usize {} + // fn bar() super::Foo {} + opt_no_arrow_ret_type(p); + } // test_err fn_ret_recovery // fn foo() -> A>]) { let x = 1; } |