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Auto merge of #12057 - harpsword:fix_validata_visibility, r=jonas-schievink

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fix visibility token validation in trait impl with proc-macro

fix #11828
This commit is contained in:
bors 2022-04-27 13:09:31 +00:00
commit 1ad500beb6
1 changed files with 4 additions and 2 deletions
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6
crates/syntax/src/validation.rs
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@ -11,7 +11,7 @@ use rustc_lexer::unescape::{
use crate::{
algo,
ast::{self, HasVisibility},
ast::{self, HasAttrs, HasVisibility},
match_ast, AstNode, SyntaxError,
SyntaxKind::{CONST, FN, INT_NUMBER, TYPE_ALIAS},
SyntaxNode, SyntaxToken, TextSize, T,
@ -231,7 +231,9 @@ fn validate_visibility(vis: ast::Visibility, errors: &mut Vec<SyntaxError>) {
Some(it) => it,
None => return,
};
if impl_def.trait_().is_some() {
// FIXME: disable validation if there's an attribute, since some proc macros use this syntax.
// ideally the validation would run only on the fully expanded code, then this wouldn't be necessary.
if impl_def.trait_().is_some() && impl_def.attrs().next().is_none() {
errors.push(SyntaxError::new("Unnecessary visibility qualifier", vis.syntax.text_range()));
}
}