From 9052efc499c1d4739dddb84f19718aa9d33c8cf1 Mon Sep 17 00:00:00 2001
From: Bernhard Schussek <bschussek@gmail.com>
Date: Fri, 12 Sep 2014 13:09:09 +0200
Subject: [PATCH] [Intl] Added exception handler to command line scripts

---
 .../Component/Intl/Resources/bin/common.php   | 36 +++++++++++++++----
 1 file changed, 30 insertions(+), 6 deletions(-)

diff --git a/src/Symfony/Component/Intl/Resources/bin/common.php b/src/Symfony/Component/Intl/Resources/bin/common.php
index eb7643dfbd..1e25265d57 100644
--- a/src/Symfony/Component/Intl/Resources/bin/common.php
+++ b/src/Symfony/Component/Intl/Resources/bin/common.php
@@ -11,11 +11,11 @@
 
 define('LINE_WIDTH', 75);
 
-define('LINE', str_repeat('-', LINE_WIDTH) . "\n");
+define('LINE', str_repeat('-', LINE_WIDTH)."\n");
 
 function bailout($message)
 {
-    echo wordwrap($message, LINE_WIDTH) . " Aborting.\n";
+    echo wordwrap($message, LINE_WIDTH)." Aborting.\n";
 
     exit(1);
 }
@@ -31,7 +31,7 @@ function centered($text)
 {
     $padding = (int) ((LINE_WIDTH - strlen($text))/2);
 
-    return str_repeat(' ', $padding) . $text;
+    return str_repeat(' ', $padding).$text;
 }
 
 function cd($dir)
@@ -47,7 +47,7 @@ function run($command)
 
     if (0 !== $status) {
         $output = implode("\n", $output);
-        echo "Error while running:\n    " . getcwd() . '$ ' . $command . "\nOutput:\n" . LINE . "$output\n" . LINE;
+        echo "Error while running:\n    ".getcwd().'$ '.$command."\nOutput:\n".LINE."$output\n".LINE;
 
         bailout("\"$command\" failed.");
     }
@@ -55,10 +55,10 @@ function run($command)
 
 function get_icu_version_from_genrb($genrb)
 {
-    exec($genrb . ' --version 2>&1', $output, $status);
+    exec($genrb.' --version 2>&1', $output, $status);
 
     if (0 !== $status) {
-        bailout($genrb . ' failed.');
+        bailout($genrb.' failed.');
     }
 
     if (!preg_match('/ICU version ([\d\.]+)/', implode('', $output), $matches)) {
@@ -67,3 +67,27 @@ function get_icu_version_from_genrb($genrb)
 
     return $matches[1];
 }
+
+set_exception_handler(function (\Exception $exception) {
+    echo "\n";
+
+    $cause = $exception;
+    $root = true;
+
+    while (null !== $cause) {
+        if (!$root) {
+            echo "Caused by\n";
+        }
+
+        echo get_class($cause).": ".$cause->getMessage()."\n";
+        echo "\n";
+        echo $cause->getFile().":".$cause->getLine()."\n";
+        foreach ($cause->getTrace() as $trace) {
+            echo $trace['file'].":".$trace['line']."\n";
+        }
+        echo "\n";
+
+        $cause = $cause->getPrevious();
+        $root = false;
+    }
+});