bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir_expand/src/lib.rs')
-rw-r--r--crates/hir_expand/src/lib.rs13
1 files changed, 13 insertions, 0 deletions
diff --git a/crates/hir_expand/src/lib.rs b/crates/hir_expand/src/lib.rs
index de32d02415..1fc74cb3b0 100644
--- a/crates/hir_expand/src/lib.rs
+++ b/crates/hir_expand/src/lib.rs
@@ -175,6 +175,19 @@ impl HirFileId {
}
}
+ pub fn is_custom_derive(&self, db: &dyn db::AstDatabase) -> bool {
+ match self.0 {
+ HirFileIdRepr::FileId(_) => false,
+ HirFileIdRepr::MacroFile(macro_file) => {
+ let loc: MacroCallLoc = db.lookup_intern_macro(macro_file.macro_call_id);
+ match loc.def.kind {
+ MacroDefKind::ProcMacro(_, ProcMacroKind::CustomDerive, _) => true,
+ _ => false,
+ }
+ }
+ }
+ }
+
/// Return whether this file is an include macro
pub fn is_include_macro(&self, db: &dyn db::AstDatabase) -> bool {
match self.0 {