New functionality

git-svn-id: svn://10.0.0.236/trunk@32130 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/js/js2/java/SwitchNode.java

@@ -0,0 +1,45 @@
+
+import java.util.Vector;
+
+class SwitchNode extends ControlNode {
+    
+
+    SwitchNode(ExpressionNode e)
+    {
+        super(e);
+    }
+    
+    void addCase(ExpressionNode e, ControlNode c)
+    {
+        if (e == null)
+            defaultCode = c;
+        else {
+            caseExpr.addElement(e);
+            caseCode.addElement(c);
+        }
+    }
+    
+    ControlNode eval(Environment theEnv)
+    {
+        ControlNode n = super.eval(theEnv);
+        double d = theEnv.theStack.pop().d;
+        int count = caseExpr.size();
+        for (int i = 0; i < count; i++) {
+            ExpressionNode e = (ExpressionNode)(caseExpr.elementAt(i));
+            e.eval(theEnv);
+            double d2 = theEnv.theStack.pop().d;
+            if (d == d2)
+                return (ControlNode)(caseCode.elementAt(i));
+        }
+        if (defaultCode != null)
+            return defaultCode;
+        else
+            return n;
+    }
+
+    Vector caseExpr = new Vector();
+    Vector caseCode = new Vector();
+    
+    ControlNode defaultCode;
+    
+}