| /* |
| * Copyright 2009 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.dev.jjs.impl.gflow; |
| |
| /** |
| * A flow function receives node assumptions and transforms them according to |
| * node semantics. Typical flow functions update either outgoing assumptions |
| * (forward flow) or incoming assumptions (backward flow) but not both. |
| * |
| * @param <N> graph node type. |
| * @param <E> edge type. |
| * @param <G> graph type. |
| * @param <A> analysis assumption type. |
| */ |
| public interface FlowFunction<N, E, G extends Graph<N, E, ?>, |
| A extends Assumption<A>> { |
| /** |
| * Interpret node by computing new node assumptions from current ones. |
| */ |
| void interpret(N node, G g, |
| AssumptionMap<E, A> assumptionMAp); |
| } |