Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/parser/src/grammar.rs')
| -rw-r--r-- | crates/parser/src/grammar.rs | 94 |
1 files changed, 54 insertions, 40 deletions
diff --git a/crates/parser/src/grammar.rs b/crates/parser/src/grammar.rs index 1ff8a56b58..0623e7ea19 100644 --- a/crates/parser/src/grammar.rs +++ b/crates/parser/src/grammar.rs @@ -228,50 +228,64 @@ fn opt_visibility(p: &mut Parser<'_>, in_tuple_field: bool) -> bool { let m = p.start(); p.bump(T![pub]); - if p.at(T!['(']) { - match p.nth(1) { - // test crate_visibility - // pub(crate) struct S; - // pub(self) struct S; - // pub(super) struct S; - - // test_err crate_visibility_empty_recover - // pub() struct S; - - // test pub_parens_typepath - // struct B(pub (super::A)); - // struct B(pub (crate::A,)); - T![crate] | T![self] | T![super] | T![ident] | T![')'] if p.nth(2) != T![:] => { - // If we are in a tuple struct, then the parens following `pub` - // might be an tuple field, not part of the visibility. So in that - // case we don't want to consume an identifier. - - // test pub_tuple_field - // struct MyStruct(pub (u32, u32)); - // struct MyStruct(pub (u32)); - // struct MyStruct(pub ()); - if !(in_tuple_field && matches!(p.nth(1), T![ident] | T![')'])) { - p.bump(T!['(']); - paths::vis_path(p); - p.expect(T![')']); - } - } - // test crate_visibility_in - // pub(in super::A) struct S; - // pub(in crate) struct S; - T![in] => { - p.bump(T!['(']); - p.bump(T![in]); - paths::vis_path(p); - p.expect(T![')']); - } - _ => {} - } - } + opt_visibility_inner(p, in_tuple_field); m.complete(p, VISIBILITY); true } +fn opt_visibility_inner(p: &mut Parser<'_>, in_tuple_field: bool) -> bool { + if !p.at(T!['(']) { + return false; + } + + match p.nth(1) { + // test crate_visibility + // pub(crate) struct S; + // pub(self) struct S; + // pub(super) struct S; + + // test_err crate_visibility_empty_recover + // pub() struct S; + + // test pub_parens_typepath + // struct B(pub (super::A)); + // struct B(pub (crate::A,)); + T![crate] | T![self] | T![super] | T![ident] | T![')'] + if p.nth(2) != T![:] + // If we are in a tuple struct, then the parens following `pub` + // might be an tuple field, not part of the visibility. So in that + // case we don't want to consume an identifier. + + // test pub_tuple_field + // struct MyStruct(pub (u32, u32)); + // struct MyStruct(pub (u32)); + // struct MyStruct(pub ()); + && !(in_tuple_field && matches!(p.nth(1), T![ident] | T![')'])) => + { + let m = p.start(); + p.bump(T!['(']); + paths::vis_path(p); + p.expect(T![')']); + m.complete(p, VISIBILITY_INNER); + return true; + } + // test crate_visibility_in + // pub(in super::A) struct S; + // pub(in crate) struct S; + T![in] => { + let m = p.start(); + p.bump(T!['(']); + p.bump(T![in]); + paths::vis_path(p); + p.expect(T![')']); + m.complete(p, VISIBILITY_INNER); + return true; + } + _ => {} + } + false +} + fn opt_rename(p: &mut Parser<'_>) { if p.at(T![as]) { let m = p.start(); |