Add another frame to example.php, fix frame code clamp

example.php

@@ -16,15 +16,18 @@ require __DIR__ . '/vendor/autoload.php';
 
 use Damnit\Run;
 use Damnit\Handler\PrettyPage;
-use Damnit\Handler\Handler;
 
 $run = new Run;
 $run->pushHandler(new PrettyPage);
 $run->register();
 
-
 function fooBar() {
     throw new RuntimeException("hello, world!");
 }
 
-fooBar();
+function bar()
+{
+    fooBar();
+}
+
+bar();

src/Damnit/Exception/Frame.php

@@ -111,7 +111,11 @@ class Frame
                     );
                 }
 
-                $lines = array_slice($lines, $start, $end, true);
+                // Clamp the range to the number of lines:
+                $start = max(0, $start);
+                $end   = min(count($lines)-1, $end);
+
+                $lines = array_slice($lines, $start, $end - $start, true);
             }
 
             return $lines;

src/Damnit/Resources/pretty-template.php

@@ -215,7 +215,7 @@
                   $line  = $frame->getLine();
 
                   // the $line is 1-indexed, we nab -1 where needed to account for this
-                  $range = $frame->getFileLines($line - 4, $line);
+                  $range = $frame->getFileLines($line - 3, $line + 3);
                   $start = key($range) + 1;
                   $code  = join("\n", $range);
                 ?>