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Handle lint attributes that are under #[cfg_attr]

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Chayim Refael Friedman 2024-09-12 18:40:41 +03:00
parent 6dad8c5528
commit 82124f33b5
5 changed files with 120 additions and 16 deletions
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13
crates/hir/src/semantics.rs
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@ -386,6 +386,19 @@ impl<'db> SemanticsImpl<'db> {
Some(node)
}
pub fn check_cfg_attr(&self, attr: &ast::TokenTree) -> Option<bool> {
let file_id = self.find_file(attr.syntax()).file_id;
let krate = match file_id.repr() {
HirFileIdRepr::FileId(file_id) => {
self.file_to_module_defs(file_id.file_id()).next()?.krate().id
}
HirFileIdRepr::MacroFile(macro_file) => {
self.db.lookup_intern_macro_call(macro_file.macro_call_id).krate
}
};
hir_expand::check_cfg_attr_value(self.db.upcast(), attr, krate)
}
/// Expands the macro if it isn't one of the built-in ones that expand to custom syntax or dummy
/// expansions.
pub fn expand_allowed_builtins(&self, macro_call: &ast::MacroCall) -> Option<SyntaxNode> {