/*
* 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.newTypesystem.TypesUtil;
import jetbrains.mps.newTypesystem.context.typechecking.BaseTypechecking;
import jetbrains.mps.newTypesystem.state.TargetState;
import org.jetbrains.mps.openapi.model.SNode;
/**
* User: fyodor
* Date: 12/3/12
*/
public class TargetTypeheckingComponent extends SimpleTypecheckingComponent<TargetState> {
public TargetTypeheckingComponent(TargetState state, BaseTypechecking component) {
super(state, component);
}
@Override
protected void setTargetNode(SNode initialNode) {
getState().setTargetNode(initialNode);
}
@Override
protected void setTarget(SNode initialNode) {
getState().setTargetNode(initialNode);
}
@Override
protected SNode typeCalculated(SNode initialNode) {
if (initialNode == null) return null;
if (!getState().isTargetTypeCalculated()) return null;
SNode type = getState().expandFinal(getType(initialNode));
if (type != null && !TypesUtil.hasVariablesInside(type)) return type;
return null;
}
}