Class FuncItem

basex-core/src/main/java/org/basex/query/value/item/FuncItem.java:29–370

Function item. @author BaseX Team, BSD License @author Leo Woerteler

 * @author Leo Woerteler
 */
public final class FuncItem extends FItem implements Scope {
  /** Function expression. */
  public final Expr expr;

  /** Parameters. */
  private final Var[] params;
  /** Annotations. */
  private final AnnList anns;
  /** Size of the stack frame needed for this function. */
  private final int stackSize;
  /** Input information. */
  private final InputInfo info;
  /** Function name (can be {@code null}). */
  private final QNm name;
  /** Query focus. */
  private final QueryFocus focus;
  /** Indicates if the query focus is accessed or modified. */
  private final boolean simple;

  /**
   * Constructor.
   * @param info input info (can be {@code null})
   * @param expr function body
   * @param params parameters
   * @param anns function annotations
   * @param type function type
   * @param stackSize stack-frame size
   * @param name function name (can be {@code null})
   */
  public FuncItem(final InputInfo info, final Expr expr, final Var[] params, final AnnList anns,
      final FuncType type, final int stackSize, final QNm name) {
    this(info, expr, params, anns, type, stackSize, name, null);
  }

  /**
   * Constructor.
   * @param info input info (can be {@code null})
   * @param expr function body
   * @param params parameters
   * @param anns function annotations
   * @param type function type
   * @param stackSize stack-frame size
   * @param name function name (can be {@code null})
   * @param focus query focus (can be {@code null})
   */
  public FuncItem(final InputInfo info, final Expr expr, final Var[] params, final AnnList anns,
      final FuncType type, final int stackSize, final QNm name, final QueryFocus focus) {
    super(type);
    this.info = info;
    this.expr = expr;
    this.params = params;
    this.anns = anns;
    this.stackSize = stackSize;
    this.name = name;
    this.focus = focus;
    simple = !expr.has(Flag.CTX);
  }