From ce35b436ed2a8317bd02e931de03cb5ab356ded5 Mon Sep 17 00:00:00 2001
From: Bryan Bishop <kanzure@gmail.com>
Date: Fri, 27 Apr 2012 13:29:41 -0500
Subject: [PATCH] faster get_dependencies on Script

---
 extras/crystal.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/extras/crystal.py b/extras/crystal.py
index 1dd3faa35..7a03e29c8 100644
--- a/extras/crystal.py
+++ b/extras/crystal.py
@@ -2056,10 +2056,13 @@ class Script:
         return commands
 
     def get_dependencies(self):
+        if self.dependencies != None:
+            return self.dependencies
         dependencies = []
         for command in self.commands:
             deps = command.get_dependencies()
             dependencies.extend(deps)
+        self.dependencies = dependencies
         return dependencies
 
     def to_asm(self):