From fe739b97dda8990064046f62b0ef52cb7bda5cd0 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Mon, 11 May 2015 23:20:51 +0100
Subject: [PATCH] fix acorn hacky lookahead with token contexts - fixes #1349

---
 src/lookahead.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/lookahead.js b/src/lookahead.js
index 45854478e9..faedbd8d2a 100644
--- a/src/lookahead.js
+++ b/src/lookahead.js
@@ -14,7 +14,11 @@ var STATE_KEYS = [
   "pos",
   "end",
   "type",
-  "value"
+  "value",
+  "exprAllowed",
+  "potentialArrowAt",
+  "currLine",
+  "input"
 ];
 
 pp.getState = function () {
@@ -23,6 +27,7 @@ pp.getState = function () {
     var key = STATE_KEYS[i]
     state[key] = this[key]
   }
+  state.context = this.context.slice()
   return state
 };