/*
  * @see ASTVisitor#visit(AssertStatement)
  */
 public boolean visit(AssertStatement node) {
   this.fBuffer.append("assert "); // $NON-NLS-1$
   node.getExpression().accept(this);
   if (node.getMessage() != null) {
     this.fBuffer.append(" : "); // $NON-NLS-1$
     node.getMessage().accept(this);
   }
   this.fBuffer.append(";"); // $NON-NLS-1$
   return false;
 }