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authorEdwin Cheng <[email protected]>2020-03-04 19:02:51 +0000
committerEdwin Cheng <[email protected]>2020-03-04 19:02:51 +0000
commit0c79e1d304d2498abfceefec4d5907b187596c6a (patch)
tree742cfe238aefd01aef9cbbc317a9b7ed94296c62 /crates/ra_hir_expand
parentc7b0c72dd7d288f066e916f3e217e51c26e3aa47 (diff)
Add comment for parents logging
Diffstat (limited to 'crates/ra_hir_expand')
-rw-r--r--crates/ra_hir_expand/src/db.rs19
1 files changed, 12 insertions, 7 deletions
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(
176 MacroCallId::LazyMacro(id) => { 176 MacroCallId::LazyMacro(id) => {
177 let loc: MacroCallLoc = db.lookup_intern_macro(id); 177 let loc: MacroCallLoc = db.lookup_intern_macro(id);
178 let node = loc.kind.node(db); 178 let node = loc.kind.node(db);
179
180 // collect parent information for warning log
181 let parents = std::iter::successors(loc.kind.file_id().call_node(db), |it| {
182 it.file_id.call_node(db)
183 })
184 .map(|n| format!("{:#}", n.value))
185 .collect::<Vec<_>>()
186 .join("\n");
187
179 log::warn!( 188 log::warn!(
180 "fail on macro_parse: (reason: {} macro_call: {:#})", 189 "fail on macro_parse: (reason: {} macro_call: {:#}) parents: {}",
181 err, 190 err,
182 node.value 191 node.value,
192 parents
183 ); 193 );
184 let mut parent = loc.kind.file_id().call_node(db);
185 while let Some(node) = parent.clone() {
186 log::warn!("parent: macro_call: {:#})", node.value);
187 parent = node.file_id.call_node(db);
188 }
189 } 194 }
190 _ => { 195 _ => {
191 log::warn!("fail on macro_parse: (reason: {})", err); 196 log::warn!("fail on macro_parse: (reason: {})", err);