# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1395159335 -3600
# Node ID 8a6612e8e1e1a6a396acdad81c1d60e635ffd0e4
# Parent  d2fe05d5cc96b20db734def00116cf00a8b93fec
use lazy names in BasePhase

diff -r d2fe05d5cc96 -r 8a6612e8e1e1 graal/com.oracle.graal.phases/src/com/oracle/graal/phases/BasePhase.java
--- a/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/BasePhase.java	Tue Mar 18 17:15:06 2014 +0100
+++ b/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/BasePhase.java	Tue Mar 18 17:15:35 2014 +0100
@@ -36,7 +36,35 @@
  */
 public abstract class BasePhase<C> {
 
-    private final String name;
+    /**
+     * Phase name lazily computed from the phase class.
+     */
+    class Name extends LazyName {
+
+        @Override
+        public String createString() {
+            String s = BasePhase.this.getClass().getSimpleName();
+            return s.substring(0, s.length() - "Phase".length());
+        }
+    }
+
+    /**
+     * Lazily computed debug value name composed of a prefix and a phase's name.
+     */
+    class DebugValueName extends LazyName {
+        final String prefix;
+
+        public DebugValueName(String prefix) {
+            this.prefix = prefix;
+        }
+
+        @Override
+        public String createString() {
+            return prefix + name;
+        }
+    }
+
+    private final CharSequence name;
 
     private final DebugTimer phaseTimer;
     private final DebugMetric phaseMetric;
@@ -49,25 +77,20 @@
     }
 
     protected BasePhase() {
-        String nm = this.getClass().getSimpleName();
-        if (nm.endsWith("Phase")) {
-            name = nm.substring(0, nm.length() - "Phase".length());
-        } else {
-            name = nm;
-        }
-        assert checkName(name);
-        phaseTimer = Debug.timer("PhaseTime_" + name);
-        phaseMetric = Debug.metric("PhaseCount_" + name);
+        name = new Name();
+        assert checkName(name.toString());
+        phaseTimer = Debug.timer(new DebugValueName("PhaseTime_"));
+        phaseMetric = Debug.metric(new DebugValueName("PhaseCount_"));
     }
 
     protected BasePhase(String name) {
         assert checkName(name);
         this.name = name;
-        phaseTimer = Debug.timer("PhaseTime_" + name);
-        phaseMetric = Debug.metric("PhaseCount_" + name);
+        phaseTimer = Debug.timer(new DebugValueName("PhaseTime_"));
+        phaseMetric = Debug.metric(new DebugValueName("PhaseCount_"));
     }
 
-    protected String getDetailedName() {
+    protected CharSequence getDetailedName() {
         return getName();
     }
 
@@ -88,7 +111,7 @@
         }
     }
 
-    public final String getName() {
+    public final CharSequence getName() {
         return name;
     }