/* (non-Javadoc)
  * @see org.eclipse.jdt.core.dom.ASTVisitor#visit(org.eclipse.jdt.core.dom.NumberLiteral)
  */
 public boolean visit(NumberLiteral node) {
   PTNumberLiteral nl = InstantiationFactory.eINSTANCE.createPTNumberLiteral();
   nl.setToken(node.getToken());
   expression = nl;
   return false;
 }
 /*
  * @see ASTVisitor#visit(NumberLiteral)
  */
 @Override
 public boolean visit(NumberLiteral node) {
   this.fBuffer.append(node.getToken());
   return false;
 }