From 3a4c8d8bc6fdb1f0ce95cc17f22d4c724de0f0ee Mon Sep 17 00:00:00 2001
From: Renata Hodovan <reni@inf.u-szeged.hu>
Date: Sun, 11 Dec 2016 00:59:24 +0100
Subject: [PATCH] Implement the fix in #1471 for JavaScript target.

---
 runtime/JavaScript/src/antlr4/Parser.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/runtime/JavaScript/src/antlr4/Parser.js b/runtime/JavaScript/src/antlr4/Parser.js
index 74211aacd..6d20dd8ab 100644
--- a/runtime/JavaScript/src/antlr4/Parser.js
+++ b/runtime/JavaScript/src/antlr4/Parser.js
@@ -9,6 +9,8 @@ var Recognizer = require('./Recognizer').Recognizer;
 var DefaultErrorStrategy = require('./error/ErrorStrategy').DefaultErrorStrategy;
 var ATNDeserializer = require('./atn/ATNDeserializer').ATNDeserializer;
 var ATNDeserializationOptions = require('./atn/ATNDeserializationOptions').ATNDeserializationOptions;
+var TerminalNode = require('./tree/Tree').TerminalNode;
+var ErrorNode = require('./tree/Tree').ErrorNode;
 
 function TraceListener(parser) {
 	ParseTreeListener.call(this);
@@ -387,7 +389,11 @@ Parser.prototype.consume = function() {
         node.invokingState = this.state;
 		if (hasListener) {
 			this._parseListeners.map(function(listener) {
-				listener.visitTerminal(node);
+				if (node instanceof ErrorNode || (node.isErrorNode !== undefined && node.isErrorNode())) {
+					listener.visitErrorNode(node);
+				} else if (node instanceof TerminalNode) {
+					listener.visitTerminal(node);
+				}
 			});
 		}
 	}