Added comment generation.

Author: sunaoka

Diff for: tools/generator.php

@@ -4,7 +4,10 @@
 $const = array();
 
 while ($row = fgets(STDIN)) {
-    if (preg_match('/^([0-9A-Z]{5}) +[SWE] +[^ ]+? +([a-z_]+)$/', $row, $matches)) {
+    if (preg_match('/^Section: (Class .*)$/', $row, $matches)) {
+        $const[] = '';
+        $const[] = "    // {$matches[1]}";
+    } elseif (preg_match('/^([0-9A-Z]{5}) +[SWE] +[^ ]+? +([a-z_]+)$/', $row, $matches)) {
         $key = strtoupper($matches[2]);
         if (isset($codes[$key])) {
             $key .= '_EXCEPTION';
@@ -14,7 +17,7 @@
     }
 }
 
-$const = implode(PHP_EOL, $const);
+$const = trim(implode(PHP_EOL, $const), PHP_EOL);
 
 echo <<<EOD
 <?php