/*
* 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.typechecking;
import jetbrains.mps.newTypesystem.context.component.HoleTypecheckingComponent;
import jetbrains.mps.newTypesystem.state.HoleState;
import jetbrains.mps.smodel.IOperationContext;
import jetbrains.mps.typesystem.inference.TypeCheckingContext;
import jetbrains.mps.util.Cancellable;
import org.jetbrains.mps.openapi.model.SNode;
import jetbrains.mps.typesystem.inference.InequalitySystem;
import java.util.Collections;
/**
* User: fyodor
* Date: 12/3/12
*/
public class HoleTypechecking extends BaseTypechecking<HoleState, HoleTypecheckingComponent> {
public HoleTypechecking(SNode node, HoleState state) {
super(node, state);
}
@Override
protected HoleTypecheckingComponent createTypecheckingComponent() {
return new HoleTypecheckingComponent(getState(), this);
}
public InequalitySystem computeInequalitiesForHole(SNode hole, boolean holeIsAType) {
HoleState state = getState();
if (state == null) return null;
try {
state.initHole(hole);
computeTypesForNode_special(hole.getParent(), Collections.singleton(hole));
state.getInequalitySystem().expandAll(state.getEquations());
/* for (String s : state.getInequalitySystem().getPresentation()) {
System.out.println(s);
} */
return state.getInequalitySystem();
} finally {
state.disposeHole();
}
}
@Override
public boolean applyNonTypesystemRulesToRoot(TypeCheckingContext typeCheckingContext, Cancellable c) {
// do nothing
return false;
}
}