# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1383646482 -3600
# Node ID 582b3d24c6adeff19cfba0da39c2e549fe923f45
# Parent  cf57663a2a365aa776c9b04cde6394b376681dc7
record an OptionDescriptor in an OptionValue so that it can be queried for a name

diff -r cf57663a2a36 -r 582b3d24c6ad graal/com.oracle.graal.options/src/com/oracle/graal/options/OptionDescriptor.java
--- a/graal/com.oracle.graal.options/src/com/oracle/graal/options/OptionDescriptor.java	Tue Nov 05 06:50:16 2013 +0100
+++ b/graal/com.oracle.graal.options/src/com/oracle/graal/options/OptionDescriptor.java	Tue Nov 05 11:14:42 2013 +0100
@@ -42,6 +42,7 @@
         this.option = option;
         this.declaringClass = declaringClass;
         this.fieldName = fieldName;
+        option.setDescriptor(this);
     }
 
     /**
diff -r cf57663a2a36 -r 582b3d24c6ad graal/com.oracle.graal.options/src/com/oracle/graal/options/OptionValue.java
--- a/graal/com.oracle.graal.options/src/com/oracle/graal/options/OptionValue.java	Tue Nov 05 06:50:16 2013 +0100
+++ b/graal/com.oracle.graal.options/src/com/oracle/graal/options/OptionValue.java	Tue Nov 05 11:14:42 2013 +0100
@@ -32,6 +32,8 @@
      */
     protected T value;
 
+    private OptionDescriptor descriptor;
+
     public OptionValue(T value) {
         this.value = value;
     }
@@ -55,6 +57,26 @@
     }
 
     /**
+     * Sets the descriptor for this option.
+     */
+    public void setDescriptor(OptionDescriptor descriptor) {
+        this.descriptor = descriptor;
+    }
+
+    /**
+     * Gets the name of this option. The name for an option value with a null
+     * {@linkplain #setDescriptor(OptionDescriptor) descriptor} is {@code "<anonymous>"}.
+     */
+    public String getName() {
+        return descriptor == null ? "<anonymous>" : (descriptor.getDeclaringClass().getName() + "." + descriptor.getName());
+    }
+
+    @Override
+    public String toString() {
+        return getName() + "=" + value;
+    }
+
+    /**
      * Gets the value of this option.
      */
     public T getValue() {