From ec6b46a4c58f25ab7f8c1e47493f131809b6fd3b Mon Sep 17 00:00:00 2001
From: jmoenig <jens@moenig.org>
Date: Fri, 4 Oct 2013 10:34:59 +0200
Subject: Type-check the SPLIT block's input before eval'ing it

---
 threads.js | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'threads.js')

diff --git a/threads.js b/threads.js
index b8acc7e..a705f28 100644
--- a/threads.js
+++ b/threads.js
@@ -83,7 +83,7 @@ ArgLabelMorph, localize, XML_Element, hex_sha512*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.threads = '2013-September-16';
+modules.threads = '2013-October-04';
 
 var ThreadManager;
 var Process;
@@ -2002,8 +2002,18 @@ Process.prototype.reportUnicodeAsLetter = function (num) {
 };
 
 Process.prototype.reportTextSplit = function (string, delimiter) {
-    var str = (string || '').toString(),
+    var types = ['text', 'number'],
+        strType = this.reportTypeOf(string),
+        delType = this.reportTypeOf(this.inputOption(delimiter)),
+        str,
         del;
+    if (!contains(types, strType)) {
+        throw new Error('expecting a text instad of a ' + strType);
+    }
+    if (!contains(types, delType)) {
+        throw new Error('expecting a text delimiter instad of a ' + delType);
+    }
+    str = (string || '').toString();
     switch (this.inputOption(delimiter)) {
     case 'line':
         del = '\n';
-- 
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