01: /*
02: * Spoon - http://spoon.gforge.inria.fr/
03: * Copyright (C) 2006 INRIA Futurs <renaud.pawlak@inria.fr>
04: *
05: * This software is governed by the CeCILL-C License under French law and
06: * abiding by the rules of distribution of free software. You can use, modify
07: * and/or redistribute the software under the terms of the CeCILL-C license as
08: * circulated by CEA, CNRS and INRIA at http://www.cecill.info.
09: *
10: * This program is distributed in the hope that it will be useful, but WITHOUT
11: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12: * FITNESS FOR A PARTICULAR PURPOSE. See the CeCILL-C License for more details.
13: *
14: * The fact that you are presently reading this means that you have had
15: * knowledge of the CeCILL-C license and that you accept its terms.
16: */
17:
18: package spoon.reflect.eval;
19:
20: import spoon.reflect.code.CtCodeElement;
21: import spoon.reflect.declaration.CtElement;
22:
23: /**
24: * This interface defines a simple partial evaluator on the Spoon meta-model. It
25: * recursively transforms a meta-model element by partially evaluating it and
26: * simplifies it when possible (i.e. when constant values are involved).
27: */
28: public interface PartialEvaluator {
29:
30: /**
31: * Partially evaluates an element and all its sub-elements.
32: *
33: * @param <R>
34: * the partially evaluated element type
35: * @param parent
36: * the parent element of the partially evaluated element
37: * @param element
38: * the element to be partially evaluated
39: * @return the result of the partial evaluation
40: */
41: <R extends CtCodeElement> R evaluate(CtElement parent, R element);
42:
43: }
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