/*
 * Copyright 2003-2011 JetBrains s.r.o.
 *
 * 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 jetbrains.mps.typesystem.inference.util;

import jetbrains.mps.lang.pattern.IMatchingPattern;
import org.jetbrains.mps.openapi.model.SNode;
import jetbrains.mps.util.Pair;

public interface SubtypingCache {

  void cacheIsSubtype(SNode subtype, SNode supertype, boolean answer, boolean isWeak);

  Boolean getIsSubtype(SNode subtype, SNode supertype, boolean isWeak);

  void cacheCoerce(SNode subtype, IMatchingPattern pattern, SNode result, boolean isWeak);

  Pair<Boolean, SNode> getCoerced(SNode subtype, IMatchingPattern pattern, boolean isWeak);
}
