# HG changeset patch
# User Michael Van De Vanter  <michael.van.de.vanter@oracle.com>
# Date 1409187588 25200
# Node ID 19faa7ca37c1aaad0f14417a9737a5cf110c392a
# Parent  225ce2657c55b61243f7e485e633ff3353289645
Truffle/Source:  use a synchronized hash table

diff -r 225ce2657c55 -r 19faa7ca37c1 graal/com.oracle.truffle.api/src/com/oracle/truffle/api/source/Source.java
--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/source/Source.java	Wed Aug 27 17:59:17 2014 -0700
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/source/Source.java	Wed Aug 27 17:59:48 2014 -0700
@@ -73,7 +73,7 @@
     // TOOD (mlvdv) connect SourceSections into a spatial tree for fast geometric lookup
 
     // Files and pseudo files are indexed.
-    private static final Map<String, WeakReference<Source>> filePathToSource = new HashMap<>();
+    private static final Map<String, WeakReference<Source>> filePathToSource = new Hashtable<>();
 
     private static boolean fileCacheEnabled = true;
 
@@ -171,6 +171,7 @@
         return source;
     }
 
+    // TODO (mlvdv) enable per-file choice whether to cache?
     /**
      * Enables/disables caching of file contents, <em>disabled</em> by default. Caching of sources
      * created from literal text or readers is always enabled.