From 80889886cf289f391b86c08dc1ada1690e262e25 Mon Sep 17 00:00:00 2001
From: Thomas Brüderli
Date: Tue, 18 Sep 2007 13:40:02 +0000
Subject: Retry after script error + panic after retry

---
 itjs/boot.js | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/itjs/boot.js b/itjs/boot.js
index 59652e7..c2c7f31 100644
--- a/itjs/boot.js
+++ b/itjs/boot.js
@@ -6,6 +6,13 @@ var it_catcherrstart = new Date().getTime();
 
 function it_catcherr(msg, url, line)
 {
+	// retry it_boot if failed
+	if (it_boot.doretry)
+	{
+		it_boot(it_boot.file, true);
+		return false;
+	}
+
 	var stacktrace = "";
 
 	for (var c = it_catcherr.caller; c != null; c = c.caller)
@@ -22,7 +29,7 @@ function it_catcherr(msg, url, line)
 
 	if (typeof it_boot.sequence != 'undefined')
 		stacktrace += "it_boot=" + it_boot.sequence + ";";
-	if (typeof window.it_loader != 'undefined')
+	if (typeof window.it_loader != 'undefined' && it_loader.sequence)
 		stacktrace += "it_loader=" + it_loader.sequence + ";";
 
 	it_boot_report(msg, url, line, stacktrace);
@@ -42,21 +49,14 @@ function it_panic(msg)
 	if (!document.location.href.match(/[?&]static=/))	// Avoid loop
 		window.setTimeout("document.location.href = it_boot_addparam(document.location.href, 'static=" + msg + "')", 500);
 
-	return it_catcherr('panic ' + msg, '-', -1);
+	return it_boot_report('panic ' + msg, '-', -1, '');
 }
 
-function it_boot_report(msg, file, line, error)
+function it_boot_report(msg, file, line, more)
 {
 	window.clearTimeout(window.it_domtimer);
 	window.clearTimeout(window.it_panictimer);
 
-	var more = "";
-	if (error && typeof error == 'object')
-		for (var k in error)
-			more += k + "=" + error[k] + ";";
-	else
-		more = error;
-
 	new Image().src = "/itjs/error.gif/" + escape(msg) + "|" + escape(file) + "|" + line + "|" + (new Date().getTime() - it_catcherrstart) + "|" + escape(more);
 }
 
@@ -67,6 +67,7 @@ function it_boot_checkcss(style, key, value)
 
 function it_boot_init()
 {
+	it_boot.doretry = false;
 	window.it_domtimer = null;
 	var konqueror = navigator.userAgent.match(/konqueror/i);
 	var doc = document;
@@ -94,6 +95,8 @@ function it_boot_init()
 
 function it_boot(file, isretry)
 {
+	it_boot.file = file;
+	it_boot.doretry = false;
 	it_boot.sequence = isretry ? "r" : "b";
 
 	try
@@ -123,14 +126,15 @@ function it_boot(file, isretry)
 					if (loader.responseText.length && loader.responseText.lastIndexOf('it_boot_init()') > 0)
 					{
 						it_boot.sequence += "e";
-						var code = "try {" + loader.responseText + "} catch (e) { it_boot_report('Script exec error', '-', -1, e); }";	// Wrapped in try/catch as Konqueror does not support window.onerror
+						it_boot.doretry = !isretry;
+						var code = "try {" + loader.responseText + "} catch (e) { it_catcherr(e.message, it_boot.file, -1); }";	// Wrapped in try/catch as Konqueror does not support window.onerror
 						if (window.execScript)
 							window.execScript(code, "javascript");	// IE work-around to get script executed in global scope
 						else
 							window.setTimeout(code, 0);	// Standard compliant version
 					}
 					else
-						error = "Incomplete script load @ status " + loader.status;
+						error = "Incomplete script @ status " + loader.status;
 				}
 				else
 					error = loader.statusText;
@@ -138,7 +142,7 @@ function it_boot(file, isretry)
 				if (error)
 				{
 					if (isretry)
-						it_boot_report('Load error on retry', file, -1, error);
+						it_panic('load: ' + error);
 					else
 						it_boot(file, true);
 				}
-- 
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