Index: trunk/kernel/include/adodb/adodb.inc.php
===================================================================
diff -u -N -r856 -r857
--- trunk/kernel/include/adodb/adodb.inc.php	(.../adodb.inc.php)	(revision 856)
+++ trunk/kernel/include/adodb/adodb.inc.php	(.../adodb.inc.php)	(revision 857)
@@ -755,7 +755,7 @@
 					$errorLevel = defined('SQL_ERROR_DIE')&&SQL_ERROR_DIE ? E_USER_ERROR : E_USER_WARNING;
 					$debugger->dumpVars($_REQUEST);
 					$debugger->appendTrace();
-					trigger_error('<span class="debug_error">'.$m.' ('.$e.')</span><br><a href="javascript:SetClipboard(\''.addslashes($sql).'\');"><b>SQL</b></a>: '.$sql, $errorLevel);
+					trigger_error('<span class="debug_error">'.$m.' ('.$e.')</span><br><a href="javascript:SetClipboard(\''.addslashes($sql).'\');"><b>SQL</b></a>: '.$debugger->highlightString($sql), $errorLevel);
 					
 					ADOConnection::outp($e .': '. $m );
 					flush();
Index: trunk/kernel/include/debugger.php
===================================================================
diff -u -N -r856 -r857
--- trunk/kernel/include/debugger.php	(.../debugger.php)	(revision 856)
+++ trunk/kernel/include/debugger.php	(.../debugger.php)	(revision 857)
@@ -1,4 +1,5 @@
 <?php
+	define('DBG_USE_HIGHLIGHT', 1);	
 
 	class Debugger 
 	{
@@ -9,6 +10,7 @@
 		 */
 		var $Data = Array();
 		var $ProfilerData = Array();
+		var $RecursionStack = Array();	// prevent recursion when processing debug_backtrace() function results
 		
 		function dumpVars()
 		{
@@ -76,24 +78,54 @@
 		
 		function processTraceArguments(&$traceArgs)
 		{
-			foreach ($traceRec['args'] as $argID => $argValue)
+			foreach ($traceArgs as $argID => $argValue)
 			{
-				if( is_array($argValue) )
+				if( is_array($argValue) || is_object($argValue) )
 				{
-					$this->processTraceArguments($argValue);
-					$traceRec['args'][$argID] = $argValue;
+					if(is_object($argValue) && !in_array(get_class($argValue),$this->RecursionStack) )
+					{	
+						// object & not in stack - ok
+						array_push($this->RecursionStack, get_class($argValue));
+						settype($argValue,'array');
+						$this->processTraceArguments($argValue);
+						array_pop($this->RecursionStack);
+					}
+					elseif(is_object($argValue) && in_array(get_class($argValue),$this->RecursionStack) )
+					{
+						// object & in stack - recursion
+						$traceArgs[$argID] = '**** RECURSION ***';
+					}
+					else
+					{
+						// normal array here
+						$this->processTraceArguments($argValue);
+					}
 				}
 				else
 				{
-					if( strlen($argValue) > 200 ) $traceRec['args'][$argID] = htmlspecialchars(substr($argValue,0,50).' ...');
+					$traceArgs[$argID] = $this->cutStringForHTML($traceArgs[$argID]);
 				}
 			}
 		}
 		
+		function cutStringForHTML($string)
+		{
+			if( strlen($string) > 200 ) $string = substr($string,0,50).' ...';
+			return $string;
+			
+		}
+		
 		function highlightString($string)
 		{
-			$string = highlight_string('<?php '.$string.'?>', true);
-			return preg_replace('/&lt;\?(.*)php (.*)\?&gt;/s','$2',$string);
+			if( defined('DBG_USE_HIGHLIGHT')&&DBG_USE_HIGHLIGHT )
+			{
+				$string = highlight_string('<?php '.$string.'?>', true);
+				return preg_replace('/&lt;\?(.*)php (.*)\?&gt;/s','$2',$string);
+			}
+			else
+			{
+				return $string;	
+			}
 		}
 		
 		function getFileLink($file, $lineno = 1, $title = '')