001/*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.jetbrains.jet.lang.resolve.constants;
018
019import org.jetbrains.annotations.NotNull;
020import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
021import org.jetbrains.jet.lang.types.ErrorUtils;
022import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
023import org.jetbrains.jet.lang.types.JetType;
024
025public class ErrorValue implements CompileTimeConstant<Void> {
026    private final String message;
027
028    public ErrorValue(@NotNull String message) {
029        this.message = message;
030    }
031
032    @Override
033    @Deprecated // Should not be called, for this is not a real value, but a indication of an error
034    public Void getValue() {
035        throw new UnsupportedOperationException();
036    }
037
038    @NotNull
039    @Override
040    public JetType getType(@NotNull KotlinBuiltIns kotlinBuiltIns) {
041        return ErrorUtils.createErrorType(message);
042    }
043
044    @Override
045    public <R, D> R accept(AnnotationArgumentVisitor<R, D> visitor, D data) {
046        return visitor.visitErrorValue(this, data);
047    }
048
049    @NotNull
050    public String getMessage() {
051        return message;
052    }
053}