PRangeIterator: add field getters

Author: cosminbasca

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/iterator/PRangeIterator.java

@@ -30,9 +30,9 @@
 import com.oracle.truffle.api.object.DynamicObject;
 
 public final class PRangeIterator extends PIntegerIterator {
-    public final int start;
-    public final int step;
-    public final int len;
+    private final int start;
+    private final int step;
+    private final int len;
 
     public PRangeIterator(Object clazz, DynamicObject storage, int start, int stop, int step) {
         super(clazz, storage);
@@ -55,6 +55,18 @@ public boolean hasNext() {
         return index < len;
     }
 
+    public int getStart() {
+        return start;
+    }
+
+    public int getLen() {
+        return len;
+    }
+
+    public int getStep() {
+        return step;
+    }
+
     public int getReduceStart() {
         return start;
     }