org.jetbrains.jet.lang.types.PackageType Maven / Gradle / Ivy

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/*
 * Copyright 2010-2013 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 org.jetbrains.jet.lang.types;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.jet.lang.descriptors.annotations.Annotations;
import org.jetbrains.jet.lang.resolve.name.Name;
import org.jetbrains.jet.lang.resolve.scopes.JetScope;
import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverValue;

import java.util.List;

/**
 * This is a fake type assigned to package expressions. Only member lookup is
 * supposed to be done on these types.
 */
public class PackageType implements JetType {
    private final Name name;
    private final JetScope memberScope;
    private final ReceiverValue receiver;

    public PackageType(@NotNull Name name, @NotNull JetScope memberScope, @NotNull ReceiverValue receiver) {
        this.name = name;
        this.memberScope = memberScope;
        this.receiver = receiver;
    }

    @NotNull
    @Override
    public JetScope getMemberScope() {
        return memberScope;
    }

    @Override
    public boolean isError() {
        return false;
    }

    @NotNull
    public ReceiverValue getReceiverValue() {
        return receiver;
    }

    @NotNull
    @Override
    public TypeConstructor getConstructor() {
        return throwException();
    }

    private TypeConstructor throwException() {
        throw new UnsupportedOperationException("Only member lookup is allowed on a package type " + name);
    }

    @NotNull
    @Override
    public List getArguments() {
        throwException();
        return null;
    }

    @Override
    public boolean isNullable() {
        throwException();
        return false;
    }

    @NotNull
    @Override
    public Annotations getAnnotations() {
        throwException();
        return null;
    }

    @Override
    public String toString() {
        return "[Package-type " + name + "]";
    }
}