# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@oracle.com>
# Date 1444214349 -7200
# Node ID bc0c838ba7059e76c855b7c342164444ffea71e5
# Parent  088b3121f5aeaa791ffad3f2945a481215532b88
Cache the parsed sources par individual language to avoid obtaining CallTarget parsed by a different language.

diff -r 088b3121f5ae -r bc0c838ba705 truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleLanguage.java
--- a/truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleLanguage.java	Wed Oct 07 09:26:41 2015 +0200
+++ b/truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleLanguage.java	Wed Oct 07 12:39:09 2015 +0200
@@ -78,6 +78,8 @@
  */
 @SuppressWarnings("javadoc")
 public abstract class TruffleLanguage<C> {
+    private final Map<Source, CallTarget> COMPILED = Collections.synchronizedMap(new WeakHashMap<Source, CallTarget>());
+
     /**
      * Constructor to be called by subclasses.
      */
@@ -446,17 +448,15 @@
             return super.importSymbol(vm, queryingLang, globalName);
         }
 
-        private static final Map<Source, CallTarget> COMPILED = Collections.synchronizedMap(new WeakHashMap<Source, CallTarget>());
-
         @Override
         protected Object eval(TruffleLanguage<?> language, Source source) throws IOException {
-            CallTarget target = COMPILED.get(source);
+            CallTarget target = language.COMPILED.get(source);
             if (target == null) {
                 target = language.parse(source, null);
                 if (target == null) {
                     throw new IOException("Parsing has not produced a CallTarget for " + source);
                 }
-                COMPILED.put(source, target);
+                language.COMPILED.put(source, target);
             }
             try {
                 return target.call();