From aea86d154ec5adde6adb05088a50f01380ffb8bf Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Mon, 30 Jul 2018 23:45:10 +0300
Subject: stackless traversal

---
 code/native/src/lib.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'code')

diff --git a/code/native/src/lib.rs b/code/native/src/lib.rs
index dcf478cf5..068767fab 100644
--- a/code/native/src/lib.rs
+++ b/code/native/src/lib.rs
@@ -7,6 +7,7 @@ use libsyntax2::{
     File,
     utils::dump_tree,
     SyntaxKind::*,
+    algo,
 };
 use neon::prelude::*;
 
@@ -17,11 +18,12 @@ pub struct Wrapper {
 impl Wrapper {
     fn highlight(&self) -> Vec<(TextRange, &'static str)> {
         let mut res = Vec::new();
-        self.inner.for_each_node(|node| {
+        let syntax = self.inner.syntax();
+        for node in algo::walk::preorder(syntax.as_ref()) {
             if node.kind() == ERROR {
                 res.push((node.range(), "error"))
             }
-        });
+        }
         res
     }
 }
-- 
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