01: // This file is part of KeY - Integrated Deductive Software Design
02: // Copyright (C) 2001-2007 Universitaet Karlsruhe, Germany
03: // Universitaet Koblenz-Landau, Germany
04: // Chalmers University of Technology, Sweden
05: //
06: // The KeY system is protected by the GNU General Public License.
07: // See LICENSE.TXT for details.
08: //
09: //
10:
11: package de.uka.ilkd.key.strategy.feature;
12:
13: import de.uka.ilkd.key.logic.PosInOccurrence;
14: import de.uka.ilkd.key.proof.Goal;
15: import de.uka.ilkd.key.rule.RuleApp;
16:
17: public class FocusInAntecFeature extends BinaryFeature {
18:
19: private FocusInAntecFeature() {
20: }
21:
22: public static final Feature INSTANCE = new FocusInAntecFeature();
23:
24: protected boolean filter(RuleApp app, PosInOccurrence pos, Goal goal) {
25: assert pos != null : "Feature is only applicable to rules with find";
26: return pos.isInAntec();
27: }
28: }
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