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Diffstat (limited to 'crates/hir-expand/src/lib.rs')
| -rw-r--r-- | crates/hir-expand/src/lib.rs | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/crates/hir-expand/src/lib.rs b/crates/hir-expand/src/lib.rs index e442eea16e..965b9e850b 100644 --- a/crates/hir-expand/src/lib.rs +++ b/crates/hir-expand/src/lib.rs @@ -258,7 +258,13 @@ impl HirFileId { let macro_def = db.macro_def(loc.def).ok()?; let (parse, 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(), + )) + }); let def = loc.def.ast_id().left().and_then(|id| { let def_tt = match id.to_node(db) { |