From aaebf97bee13e1dd15739baa58a6ea9069fe220b Mon Sep 17 00:00:00 2001
From: Andrew McMillan <andrew@morphoss.com>
Date: Sat, 13 Mar 2010 00:00:47 +1300
Subject: [PATCH] Enhance the exception handler to display a forward trace

---
 inc/always.php    | 9 +++++++--
 inc/always.php.in | 9 +++++++--
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/inc/always.php b/inc/always.php
index 253a3ebb..273d522e 100644
--- a/inc/always.php
+++ b/inc/always.php
@@ -14,8 +14,13 @@ unset($session); unset($request); unset($dbconn); unset($_awl_dbconn); unset($in
 
 // An ultra-simple exception handler to catch errors that occur
 // before we get a more functional exception handler in place...
-function early_exception_handler($exception) {
-  echo "Uncaught early exception: ", $exception->getMessage(), "\n";
+function early_exception_handler($e) {
+  echo "Uncaught early exception: ", $e->getMessage(), "\nAt line ", $e->getLine(), " of ", $e->getFile(), "\n";
+
+  $trace = array_reverse($e->getTrace());
+  foreach( $trace AS $k => $v ) {
+    printf( "=====================================================\n%s[%d] %s%s%s()\n", $v['file'], $v['line'], (isset($v['class'])?$v['class']:''), (isset($v['type'])?$v['type']:''), (isset($v['function'])?$v['function']:'') );
+  }
 }
 set_exception_handler('early_exception_handler');
 
diff --git a/inc/always.php.in b/inc/always.php.in
index c111cb8e..71c2138d 100644
--- a/inc/always.php.in
+++ b/inc/always.php.in
@@ -14,8 +14,13 @@ unset($session); unset($request); unset($dbconn); unset($_awl_dbconn); unset($in
 
 // An ultra-simple exception handler to catch errors that occur
 // before we get a more functional exception handler in place...
-function early_exception_handler($exception) {
-  echo "Uncaught early exception: ", $exception->getMessage(), "\n";
+function early_exception_handler($e) {
+  echo "Uncaught early exception: ", $e->getMessage(), "\nAt line ", $e->getLine(), " of ", $e->getFile(), "\n";
+
+  $trace = array_reverse($e->getTrace());
+  foreach( $trace AS $k => $v ) {
+    printf( "=====================================================\n%s[%d] %s%s%s()\n", $v['file'], $v['line'], (isset($v['class'])?$v['class']:''), (isset($v['type'])?$v['type']:''), (isset($v['function'])?$v['function']:'') );
+  }
 }
 set_exception_handler('early_exception_handler');