Oops.

git-svn-id: svn://10.0.0.236/trunk@29409 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/js/js2/java/JSStack.java

@@ -0,0 +1,39 @@
+
+import java.util.Stack;
+
+class JSStack {
+    
+    Stack stack = new Stack();
+    int frameTop;
+    
+    void newFrame(StackValue returnAddress)
+    {
+        stack.push(returnAddress);
+        stack.push(new StackValue(frameTop));
+        frameTop = stack.size();
+    }
+    
+    StackValue popFrame()
+    {
+        stack.setSize(frameTop);
+        StackValue oldFrame = (StackValue)(stack.pop());
+        frameTop = oldFrame.i;
+        return (StackValue)stack.pop();
+    }
+    
+    void push(StackValue v)
+    {
+        stack.push(v);
+    }
+    
+    boolean isEmpty()
+    {
+        return stack.isEmpty();
+    }
+
+    StackValue pop()
+    {
+        return (StackValue)stack.pop();
+    }
+
+}