From 0c79e1d304d2498abfceefec4d5907b187596c6a Mon Sep 17 00:00:00 2001 From: Edwin Cheng 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::>() + .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); -- cgit v1.2.3