From 88a7580b78ed09c2d31bc182cb760efe9ac15334 Mon Sep 17 00:00:00 2001
From: "zqlu.cn" <zqlu.cn@gmail.com>
Date: Fri, 24 Nov 2017 16:37:40 +0800
Subject: [PATCH] Fix interval usage

For JavaScript runtime, Interval class constructor assume start and stop
to be number.
---
 runtime/JavaScript/src/antlr4/error/ErrorStrategy.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/runtime/JavaScript/src/antlr4/error/ErrorStrategy.js b/runtime/JavaScript/src/antlr4/error/ErrorStrategy.js
index 7af139952..94038e13a 100644
--- a/runtime/JavaScript/src/antlr4/error/ErrorStrategy.js
+++ b/runtime/JavaScript/src/antlr4/error/ErrorStrategy.js
@@ -267,7 +267,7 @@ DefaultErrorStrategy.prototype.reportNoViableAlternative = function(recognizer,
         if (e.startToken.type===Token.EOF) {
             input = "<EOF>";
         } else {
-            input = tokens.getText(new Interval(e.startToken, e.offendingToken));
+            input = tokens.getText(new Interval(e.startToken.tokenIndex, e.offendingToken.tokenIndex));
         }
     } else {
         input = "<unknown input>";
@@ -753,4 +753,4 @@ BailErrorStrategy.prototype.sync = function(recognizer) {
 };
 
 exports.BailErrorStrategy = BailErrorStrategy;
-exports.DefaultErrorStrategy = DefaultErrorStrategy;
\ No newline at end of file
+exports.DefaultErrorStrategy = DefaultErrorStrategy;