/*
* Copyright 2003-2012 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.newTypesystem.context.component;
import jetbrains.mps.lang.typesystem.runtime.HUtil;
import jetbrains.mps.newTypesystem.TypesUtil;
import jetbrains.mps.newTypesystem.context.typechecking.BaseTypechecking;
import jetbrains.mps.newTypesystem.state.HoleState;
import org.jetbrains.mps.openapi.model.SNode;
import java.util.Collection;
import java.util.Collections;
/**
* User: fyodor
* Date: 12/3/12
*/
public class HoleTypecheckingComponent extends SimpleTypecheckingComponent<HoleState>{
public HoleTypecheckingComponent(HoleState state, BaseTypechecking component) {
super(state, component);
}
@Override
protected SNode typeCalculated(SNode initialNode) {
if (getState().getInequalitySystem() != null) {
SNode expectedType = getState().getInequalitySystem().getExpectedType();
if (expectedType != null && !TypesUtil.hasVariablesInside(expectedType) && !HUtil.isRuntimeHoleType(expectedType)) {
return expectedType;
}
}
return null;
}
@Override
protected void computeTypes(SNode initialNode, SNode node) {
if (getState().getInequalitySystem() == null) {
computeTypes(node,true, true, Collections.<SNode>emptyList(), true, initialNode);
}
}
@Override
public SNode computeTypesForNode_special(SNode initialNode, Collection<SNode> givenAdditionalNodes) {
assert getState().getInequalitySystem() != null;
return computeTypesForNode_special_(initialNode, givenAdditionalNodes);
}
}