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add expand log

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This commit is contained in:
Edwin Cheng 2021-03-13 20:14:21 +08:00
parent f0b7c02f16
commit f1350dd93c
2 changed files with 49 additions and 0 deletions
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2
crates/hir_expand/src/db.rs
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@ -340,6 +340,8 @@ fn parse_macro_with_arg(
None => return ExpandResult { value: None, err: result.err },
};
log::debug!("expanded = {}", tt.as_debug_string());
let fragment_kind = to_fragment_kind(db, macro_call_id);
let (parse, rev_token_map) = match mbe::token_tree_to_syntax_node(&tt, fragment_kind) {