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General MetaItem encapsulation rewrites.

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This commit is contained in:
cgswords 2016-07-15 13:13:17 -07:00
parent 9316ae515e
commit a5e5ea1646
14 changed files with 231 additions and 170 deletions
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22
src/librustc/lint/context.rs
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@ -366,19 +366,19 @@ pub fn gather_attr(attr: &ast::Attribute)
attr::mark_used(attr);
let meta = &attr.node.value;
let metas = match meta.node {
ast::MetaItemKind::List(_, ref metas) => metas,
_ => {
out.push(Err(meta.span));
return out;
}
};
let metas = if let Some(metas) = meta.meta_item_list() {
metas
} else {
out.push(Err(meta.span));
return out;
};
for meta in metas {
out.push(match meta.node {
ast::MetaItemKind::Word(ref lint_name) => Ok((lint_name.clone(), level, meta.span)),
_ => Err(meta.span),
});
out.push(if meta.is_word() {
Ok((meta.name().clone(), level, meta.span))
} else {
Err(meta.span)
});
}
out