content: /* 
   * Kodkod -- Copyright (c) 2005-present, Emina Torlak
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   */
  package kodkod.engine.fol2sat;
  
  import kodkod.ast.Decl;
  import kodkod.ast.operator.Multiplicity;
  
  /**
   * Thrown when a node contains a higher order declaration that cannot
   * be skolemized, or it can be skolemized but skolemization is disabled.
   * 
   * @specfield decl: Decl // higher order decl that caused the exception to be thrown
   * @author Emina Torlak
   */
  public final class HigherOrderDeclException extends RuntimeException {
  	private final Decl decl;
  	private static final long serialVersionUID = 1892780864484615171L;
  
  	/**
  	 * Constructs a HigherOrderDeclException for the given decl.
  	 * @requires decl.multiplicity != ONE
  	 * @ensures this.decl' = decl
  	 */
  	 HigherOrderDeclException(Decl decl) {
  		super("Higher order declaration: " + decl);
  		assert decl.multiplicity() != Multiplicity.ONE;
  		this.decl = decl;
  	}
  
  	/**
  	 * Returns this.decl
  	 * @return this.decl
  	 */
  	public Decl decl() {
  		return decl;
  	}
  
  }
  