/* (non-Javadoc)
  * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.MethodInvocation)
  */
 public boolean visit(MethodInvocation node) {
   expression =
       createMethodInvocation(
           node.getName().getIdentifier(), perform(node.getExpression()), node.arguments());
   return false;
 }