Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-expand/src/hygiene.rs')
| -rw-r--r-- | crates/hir-expand/src/hygiene.rs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/crates/hir-expand/src/hygiene.rs b/crates/hir-expand/src/hygiene.rs index addffb8877..9af38fed04 100644 --- a/crates/hir-expand/src/hygiene.rs +++ b/crates/hir-expand/src/hygiene.rs @@ -201,7 +201,13 @@ fn make_hygiene_info( let macro_def = db.macro_def(loc.def).ok()?; let (_, exp_map) = db.parse_macro_expansion(macro_file).value; - let macro_arg = db.macro_arg(macro_file.macro_call_id); + let macro_arg = db.macro_arg(macro_file.macro_call_id).unwrap_or_else(|| { + Arc::new(( + tt::Subtree { delimiter: tt::Delimiter::UNSPECIFIED, token_trees: Vec::new() }, + Default::default(), + Default::default(), + )) + }); Some(HygieneInfo { file: macro_file, |