From 13110f48e948d7554500aefc336e72f96041386b Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 28 Aug 2018 00:42:13 +0300
Subject: Log errors

---
 crates/libanalysis/src/lib.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'crates/libanalysis/src')

diff --git a/crates/libanalysis/src/lib.rs b/crates/libanalysis/src/lib.rs
index 7a34d354e..fe2c3c2e6 100644
--- a/crates/libanalysis/src/lib.rs
+++ b/crates/libanalysis/src/lib.rs
@@ -15,6 +15,7 @@ mod module_map;
 use std::{
     fmt,
     path::{Path, PathBuf},
+    panic,
     sync::{
         Arc,
         atomic::{AtomicBool, Ordering::SeqCst},
@@ -307,8 +308,15 @@ impl FileData {
     }
 
     fn syntax(&self) -> &File {
-        self.syntax
-            .get_or_init(|| File::parse(&self.text))
+        let text = &self.text;
+        let syntax = &self.syntax;
+        match panic::catch_unwind(panic::AssertUnwindSafe(|| syntax.get_or_init(|| File::parse(text)))) {
+            Ok(file) => file,
+            Err(err) => {
+                error!("Parser paniced on:\n------\n{}\n------\n", &self.text);
+                panic::resume_unwind(err)
+            }
+        }
     }
 
     fn syntax_transient(&self) -> File {
-- 
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