Add scan script

game_re/scan_sources

@@ -0,0 +1,19 @@
+#!/bin/bash
+script_dir=$(readlink -f $(dirname "$0"))
+tool=$script_dir/../tooling/bin/r3_gh_tool
+
+set -e
+
+pushd $script_dir
+
+file_list=files.txt
+rm -f $file_list
+for dir in gh_auto gh_stub gh_fix; do
+  for file in $dir/*.cxx; do
+    echo $file >>$file_list
+  done
+done
+
+$tool @$file_list
+
+popd