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Merge #11455

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11455: Handle proc-macro functions as the proc-macro they resolve to r=Veykril a=Veykril

Fixes https://github.com/rust-analyzer/rust-analyzer/issues/11212

Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
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bors[bot] 2022-02-21 16:56:37 +00:00 • committed by GitHub
commit 979b5b32bc
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7 changed files with 89 additions and 9 deletions
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17
crates/hir/src/lib.rs
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@ -1376,6 +1376,23 @@ impl Function {
db.function_data(self.id).has_body()
}
pub fn as_proc_macro(self, db: &dyn HirDatabase) -> Option<MacroDef> {
let function_data = db.function_data(self.id);
let attrs = &function_data.attrs;
if !(attrs.is_proc_macro()
|| attrs.is_proc_macro_attribute()
|| attrs.is_proc_macro_derive())
{
return None;
}
let loc = self.id.lookup(db.upcast());
let krate = loc.krate(db);
let def_map = db.crate_def_map(krate.into());
let name = &function_data.name;
let mut exported_proc_macros = def_map.exported_proc_macros();
exported_proc_macros.find(|(_, mac_name)| mac_name == name).map(|(id, _)| MacroDef { id })
}
/// A textual representation of the HIR of this function for debugging purposes.
pub fn debug_hir(self, db: &dyn HirDatabase) -> String {
let body = db.body(self.id.into());