From ca3778f9fd13fe6a968b1f21802c42f7ff5d2eb5 Mon Sep 17 00:00:00 2001
From: Jeremy Ruston <jeremy@osmosoft.com>
Date: Tue, 17 Jan 2012 15:35:13 +0000
Subject: [PATCH] Better error messages for eval'd code

---
 js/WikiStore.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/js/WikiStore.js b/js/WikiStore.js
index 4beb3b2c2..349986071 100755
--- a/js/WikiStore.js
+++ b/js/WikiStore.js
@@ -320,8 +320,11 @@ WikiStore.prototype.compileTiddler = function(title,type) {
 		});
 	if(tiddler) {
 		if(!renderers[type]) {
-			var tree = this.parseTiddler(title);
-			renderers[type] = eval(tree.compile(type));
+			var tree = this.parseTiddler(title),
+				text = tree.compile(type);
+			// Add a source URL to help debugging (see http://blog.getfirebug.com/2009/08/11/give-your-eval-a-name-with-sourceurl/)
+			text += "//@ sourceURL=" + encodeURIComponent(title) + "-" + type;
+			renderers[type] = eval(text);
 		}
 		return renderers[type];
 	} else {