From 0c79e1d304d2498abfceefec4d5907b187596c6a Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Thu, 5 Mar 2020 03:02:51 +0800
Subject: Add comment for parents logging
---
crates/ra_hir_expand/src/db.rs | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
(limited to 'crates/ra_hir_expand')
diff --git a/crates/ra_hir_expand/src/db.rs b/crates/ra_hir_expand/src/db.rs
index 73137f33b..f3a84cacc 100644
--- a/crates/ra_hir_expand/src/db.rs
+++ b/crates/ra_hir_expand/src/db.rs
@@ -176,16 +176,21 @@ pub(crate) fn parse_macro(
MacroCallId::LazyMacro(id) => {
let loc: MacroCallLoc = db.lookup_intern_macro(id);
let node = loc.kind.node(db);
+
+ // collect parent information for warning log
+ let parents = std::iter::successors(loc.kind.file_id().call_node(db), |it| {
+ it.file_id.call_node(db)
+ })
+ .map(|n| format!("{:#}", n.value))
+ .collect::<Vec<_>>()
+ .join("\n");
+
log::warn!(
- "fail on macro_parse: (reason: {} macro_call: {:#})",
+ "fail on macro_parse: (reason: {} macro_call: {:#}) parents: {}",
err,
- node.value
+ node.value,
+ parents
);
- let mut parent = loc.kind.file_id().call_node(db);
- while let Some(node) = parent.clone() {
- log::warn!("parent: macro_call: {:#})", node.value);
- parent = node.file_id.call_node(db);
- }
}
_ => {
log::warn!("fail on macro_parse: (reason: {})", err);
--
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