# HG changeset patch
# User Lukas Stadler <lukas.stadler@oracle.com>
# Date 1423845867 -3600
# Node ID 5ea169a3bf81ef9e714f8df187d6b2b10f4561cb
# Parent  26777392b971321765dd11d97690949049f2a300
make various fields final

diff -r 26777392b971 -r 5ea169a3bf81 graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/IllegalStamp.java
--- a/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/IllegalStamp.java	Fri Feb 13 16:45:42 2015 +0100
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/IllegalStamp.java	Fri Feb 13 17:44:27 2015 +0100
@@ -94,7 +94,7 @@
         throw GraalInternalError.shouldNotReachHere("can't read values of illegal stamp");
     }
 
-    private static IllegalStamp instance = new IllegalStamp();
+    private static final IllegalStamp instance = new IllegalStamp();
 
     static IllegalStamp getInstance() {
         return instance;
diff -r 26777392b971 -r 5ea169a3bf81 graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/VoidStamp.java
--- a/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/VoidStamp.java	Fri Feb 13 16:45:42 2015 +0100
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/VoidStamp.java	Fri Feb 13 17:44:27 2015 +0100
@@ -112,7 +112,7 @@
         throw GraalInternalError.shouldNotReachHere("void stamp has no value");
     }
 
-    private static VoidStamp instance = new VoidStamp();
+    private static final VoidStamp instance = new VoidStamp();
 
     static VoidStamp getInstance() {
         return instance;
diff -r 26777392b971 -r 5ea169a3bf81 graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/match/MatchProcessor.java
--- a/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/match/MatchProcessor.java	Fri Feb 13 16:45:42 2015 +0100
+++ b/graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/match/MatchProcessor.java	Fri Feb 13 17:44:27 2015 +0100
@@ -74,7 +74,7 @@
         }
     }
 
-    private static Pattern tokenizer = Pattern.compile("\\s*([()=]|[A-Za-z][A-Za-z0-9]*)\\s*");
+    private static final Pattern tokenizer = Pattern.compile("\\s*([()=]|[A-Za-z][A-Za-z0-9]*)\\s*");
 
     private class RuleParser {
         private ArrayList<TypeDescriptor> capturedTypes = new ArrayList<>();
diff -r 26777392b971 -r 5ea169a3bf81 graal/com.oracle.graal.debug/src/com/oracle/graal/debug/internal/DebugValueMap.java
--- a/graal/com.oracle.graal.debug/src/com/oracle/graal/debug/internal/DebugValueMap.java	Fri Feb 13 16:45:42 2015 +0100
+++ b/graal/com.oracle.graal.debug/src/com/oracle/graal/debug/internal/DebugValueMap.java	Fri Feb 13 17:44:27 2015 +0100
@@ -29,7 +29,7 @@
  */
 public class DebugValueMap {
 
-    private static List<DebugValueMap> topLevelMaps = new ArrayList<>();
+    private static final List<DebugValueMap> topLevelMaps = new ArrayList<>();
 
     private long[] values;
     private List<DebugValueMap> children;
diff -r 26777392b971 -r 5ea169a3bf81 graal/com.oracle.graal.debug/src/com/oracle/graal/debug/internal/KeyRegistry.java
--- a/graal/com.oracle.graal.debug/src/com/oracle/graal/debug/internal/KeyRegistry.java	Fri Feb 13 16:45:42 2015 +0100
+++ b/graal/com.oracle.graal.debug/src/com/oracle/graal/debug/internal/KeyRegistry.java	Fri Feb 13 17:44:27 2015 +0100
@@ -29,12 +29,12 @@
  */
 public class KeyRegistry {
 
-    private static Map<String, Integer> keyMap = new HashMap<>();
-    private static List<DebugValue> debugValues = new ArrayList<>();
+    private static final Map<String, Integer> keyMap = new HashMap<>();
+    private static final List<DebugValue> debugValues = new ArrayList<>();
 
     /**
      * Ensures a given debug value is registered.
-     * 
+     *
      * @return the globally unique id for {@code value}
      */
     public static synchronized int register(DebugValue value) {
@@ -48,7 +48,7 @@
 
     /**
      * Gets a immutable view of the registered debug values.
-     * 
+     *
      * @return a list where {@code get(i).getIndex() == i}
      */
     public static synchronized List<DebugValue> getDebugValues() {
diff -r 26777392b971 -r 5ea169a3bf81 graal/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleOptions.java
--- a/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleOptions.java	Fri Feb 13 16:45:42 2015 +0100
+++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/TruffleOptions.java	Fri Feb 13 17:44:27 2015 +0100
@@ -38,14 +38,14 @@
      * <p>
      * Can be set with {@code -Dtruffle.ForceInterpreter=true}.
      */
-    public static boolean ForceInterpreter = Boolean.getBoolean("truffle.ForceInterpreter");
+    public static final boolean ForceInterpreter = Boolean.getBoolean("truffle.ForceInterpreter");
 
     /**
      * Enables/disables the rewriting of traces in the Truffle runtime to stdout.
      * <p>
      * Can be set with {@code -Dtruffle.TraceRewrites=true}.
      */
-    public static boolean TraceRewrites;
+    public static final boolean TraceRewrites;
 
     /**
      * Enables the generation of detailed rewrite reasons. Enabling this may introduce some overhead
@@ -97,20 +97,20 @@
     }
 
     static {
-        final boolean[] values = {false, false};
+        final boolean[] values = new boolean[3];
         AccessController.doPrivileged(new PrivilegedAction<Void>() {
             public Void run() {
-                TraceRewrites = Boolean.getBoolean("truffle.TraceRewrites");
+                values[0] = Boolean.getBoolean("truffle.TraceRewrites");
                 TraceRewritesFilterClass = System.getProperty("truffle.TraceRewritesFilterClass");
                 TraceRewritesFilterFromCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterFromCost"));
                 TraceRewritesFilterToCost = parseNodeInfoKind(System.getProperty("truffle.TraceRewritesFilterToCost"));
-                values[0] = Boolean.getBoolean("truffle.DetailedRewriteReasons");
-                values[1] = Boolean.getBoolean("truffle.TraceASTJSON");
+                values[1] = Boolean.getBoolean("truffle.DetailedRewriteReasons");
+                values[2] = Boolean.getBoolean("truffle.TraceASTJSON");
                 return null;
             }
         });
-
-        DetailedRewriteReasons = values[0];
-        TraceASTJSON = values[1];
+        TraceRewrites = values[0];
+        DetailedRewriteReasons = values[1];
+        TraceASTJSON = values[2];
     }
 }