/*
* 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;
}
}