}
}
+ fn doc_alias_str_error(&self, meta: &NestedMetaItem) {
+ self.tcx
+ .sess
+ .struct_span_err(
+ meta.span(),
+ "doc alias attribute expects a string: #[doc(alias = \"0\")]",
+ )
+ .emit();
+ }
+
fn check_doc_alias(&self, attr: &Attribute, hir_id: HirId, target: Target) -> bool {
if let Some(mi) = attr.meta() {
if let Some(list) = mi.meta_item_list() {
for meta in list {
if meta.has_name(sym::alias) {
- if !meta.is_value_str()
- || meta
- .value_str()
- .map(|s| s.to_string())
- .unwrap_or_else(String::new)
- .is_empty()
+ if !meta.is_value_str() {
+ self.doc_alias_str_error(meta);
+ return false;
+ }
+ let doc_alias =
+ meta.value_str().map(|s| s.to_string()).unwrap_or_else(String::new);
+ if doc_alias.is_empty() {
+ self.doc_alias_str_error(meta);
+ return false;
+ }
+ if let Some(c) =
+ doc_alias.chars().find(|&c| c == '"' || c == '\'' || c.is_whitespace())
{
self.tcx
.sess
.struct_span_err(
meta.span(),
- "doc alias attribute expects a string: #[doc(alias = \"0\")]",
+ &format!(
+ "{:?} character isn't allowed in `#[doc(alias = \"...\")]`",
+ c,
+ ),
)
.emit();
return false;
&format!("`#[doc(alias = \"...\")]` isn't allowed on {}", err),
)
.emit();
+ return false;
}
}
}