code: private final void statement(Data data, Body parent) throws TemplateException {
  	statement(data, parent, data.context);
      }
docs: Liest ein einzelnes Statement ein (if,for,while usw.). <br />
  EBNF:<br />
  <code>";" | "if" spaces "(" ifStatement | "function " funcStatement |  "while" spaces "(" whileStatement  |
  "do" spaces "{" doStatement  | "for" spaces "(" forStatement | "return" returnStatement |
  "break" breakStatement | "continue" continueStatement | "/*" comment | expressionStatement;</code>
  
  @param parent uebergeornetes Element dem das Statement zugewiesen wird.
  @throws TemplateException